CN112098919B

CN112098919B - A detection method, device and system for a terminal block temperature out-of-limit trip alarm function

Info

Publication number: CN112098919B
Application number: CN202010978468.3A
Authority: CN
Inventors: 罗奕; 钱斌; 尹家悦; 周密; 王保帅
Original assignee: China South Power Grid International Co ltd; China Southern Power Grid Co Ltd
Current assignee: China South Power Grid International Co ltd; China Southern Power Grid Co Ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-10-15
Anticipated expiration: 2040-09-17
Also published as: CN112098919A

Abstract

The present application provides a method, device and system for detecting a terminal block temperature out-of-limit trip alarm function. The present application precisely controls the terminal block temperature, load current, stable duration time of the measured electric energy meter, and uses historical data records to compare and contrast. Carry out the terminal block temperature out-of-limit trip function and the alarm cancellation function test of the electric energy meter to be measured, and realize quantitative test whether the terminal block temperature out-of-limit trip alarm function of the electric energy meter under test can operate reliably within the set threshold range. Under the boundary conditions of the value error, test whether the function will be malfunctioned, and finally ensure the reliable operation of the temperature limit trip alarm function of the terminal block of the electric energy meter under test, and solve the existing alarm and alarm of the terminal block temperature limit of the electric energy meter under test. Functional detection has the technical problem of low applicability of detection methods.

Description

Method, device and system for detecting temperature out-of-limit tripping alarm function of terminal block

Technical Field

The application relates to the technical field of electric energy meters, in particular to a method, a device and a system for detecting a temperature out-of-limit tripping alarm function of a terminal block.

Background

Due to the rapid development of the technology of the measured electric energy meter in recent years, the measured electric energy meter is required to meet more and more functions. In the electronic electric energy meter, the temperature monitoring and protecting function of the terminal base is a novel function of the meter, the electronic tested electric energy meter can monitor the temperature of a current terminal copper bar on the terminal base in real time, and the temperature data is sorted and analyzed by the single chip microcomputer, potential faults such as poor wiring contact faults of the electric energy meter, overheating burnout faults of the terminal base, short circuit of residential electricity loads and the like can be subjected to early warning or tripping processing, fault event records are recorded and actively reported, and reliable analysis data can be provided for post fault analysis and traceability. In order to make the terminal temperature measurement more accurate and reliable and avoid the occurrence of false alarm and missed alarm events, the procedure of checking the temperature detection of the wiring terminal of the electric energy meter becomes more and more critical.

At present, a terminal seat is rapidly heated by controlling a heating module, a terminal seat temperature out-of-limit tripping alarm event is generated, but different tested electric energy meters have certain difference in test values, the mode can only judge the terminal seat temperature out-of-limit tripping alarm function of the tested electric energy meters under the preset heating scheme, and the terminal seat temperature out-of-limit tripping threshold setting function of the tested electric energy meters cannot be quantitatively tested whether to be effective or not by flexibly configuring the terminal seat temperature out-of-limit tripping threshold and judging the delay time, so that the technical problem of low detection mode applicability exists in the terminal seat temperature out-of-limit tripping alarm function detection of the existing tested electric energy meters.

Disclosure of Invention

The application provides a method, a device and a system for detecting a terminal block temperature out-of-limit tripping alarm function, which are used for solving the technical problem of low detection mode applicability existing in the terminal block temperature out-of-limit tripping alarm function detection of the existing measured electric energy meter.

First, the first aspect of the present application provides a method for detecting a temperature out-of-limit trip warning function of a terminal block, including:

heating a terminal seat of an electric energy meter to be tested to a first set temperature and keeping a set time length according to preset current parameters, heating temperature parameters and judgment delay time parameters, then acquiring first test data after the current heating test, comparing the first test data with the obtained test data of the last heating test, and determining the test result of the temperature out-of-limit tripping alarm action function test of the terminal seat according to the comparison result, wherein the test data comprises: the system comprises a terminal base, a temperature out-of-limit tripping event recording module, a first set temperature, a set time length and a judgment delay time parameter, wherein the first set temperature corresponds to the heating temperature parameter, the set time length corresponds to the judgment delay time parameter, the current parameter is obtained according to the terminal base temperature out-of-limit tripping current threshold value, the heating temperature parameter is obtained according to a preset temperature out-of-limit tripping alarm threshold value, and the judgment delay time parameter is obtained according to the preset temperature out-of-limit tripping alarm judgment delay threshold value;

responding to the terminal seat triggering temperature out-of-limit tripping alarm, cooling the terminal seat to a second set temperature according to a preset cooling temperature parameter and the judgment delay time parameter, keeping the set time length, collecting second test data after a cooling test, comparing the second test data with the test data of the last heating test, and determining a test result of the temperature out-of-limit tripping alarm removing function test of the terminal seat according to the comparison result, wherein the second set temperature corresponds to the cooling temperature parameter which is obtained according to a preset temperature out-of-limit tripping alarm removing threshold value;

and according to each test result, when any one test result is unqualified, the temperature out-of-limit tripping alarm function of the output terminal base detects the unqualified test result.

Preferably, the current parameters include: a first current parameter and a second current parameter, wherein the first current parameter is greater than the terminal block temperature over-trip current threshold, and the second current parameter is less than the terminal block temperature over-trip current threshold;

the heating temperature parameters include: a first temperature parameter and a second temperature parameter, wherein the first temperature parameter is greater than the temperature out-of-limit trip alarm threshold and the second temperature parameter is less than the temperature out-of-limit trip alarm threshold;

the determining the delay time parameter comprises: a first decision delay time parameter and a second decision delay time parameter, wherein the first decision delay time parameter is greater than the temperature out-of-limit trip alarm decision delay threshold, and the second decision delay time parameter is less than the temperature out-of-limit trip alarm decision delay threshold;

the cooling temperature parameters comprise: a third temperature parameter and a fourth temperature parameter, wherein the third temperature parameter is greater than the temperature out-of-limit trip alarm release threshold, and the fourth temperature parameter is less than the temperature out-of-limit trip alarm release threshold.

Preferably, the step of heating the terminal block to a first set temperature and keeping the terminal block for a set time according to preset current parameters, heating temperature parameters and determination delay time parameters, collecting first test data after a current heating test, comparing the first test data with the obtained test data of the last heating test, and determining a test result of the temperature out-of-limit trip alarm action function test of the terminal block according to the comparison result specifically includes:

heating the terminal base to a temperature corresponding to a second temperature parameter and keeping a duration corresponding to a first judgment delay time parameter according to the first current parameter, then acquiring first unit test data after the current heating test, comparing the first unit test data with the obtained test data of the last heating test, and determining a first unit test result of the temperature out-of-limit tripping alarm action function test of the terminal base according to the comparison result;

heating the terminal base to a temperature corresponding to a first temperature parameter and keeping a duration corresponding to a second determination delay time parameter according to the first current parameter, then acquiring second unit test data after the current heating test, comparing the second unit test data with the obtained test data of the last heating test, and determining a second unit test result of the temperature out-of-limit tripping alarm action function test of the terminal base according to the comparison result;

heating the terminal base to a temperature corresponding to the first temperature parameter and keeping a duration corresponding to the first judgment delay time parameter according to the first current parameter, then acquiring third unit test data after the current heating test, comparing the third unit test data with the obtained test data of the last heating test, and determining a third unit test result of the temperature out-of-limit tripping alarm action function test of the terminal base according to the comparison result;

heating the terminal base to the temperature corresponding to the first temperature parameter and keeping the time length corresponding to the first judgment delay time parameter according to the second current parameter, then acquiring the fourth unit test data after the current heating test, comparing the fourth unit test data with the obtained test data of the last heating test, and determining the fourth unit test result of the temperature out-of-limit tripping alarm action function test of the terminal base according to the comparison result;

and according to the unit test result of each temperature out-of-limit tripping alarm action function test, when any unit test result is unqualified, the test result of the temperature out-of-limit tripping alarm action function test of the output terminal base is unqualified.

Preferably, the step of responding to the terminal block triggered temperature out-of-limit trip alarm, according to a preset cooling temperature parameter and the determination delay time parameter, cooling the terminal block to a second set temperature, keeping the set time length, collecting second test data after a cooling test, comparing the second test data with the test data of the last heating test, and determining a test result of the temperature out-of-limit trip alarm release function test of the terminal block according to the comparison result specifically includes:

responding to the terminal seat triggering temperature out-of-limit tripping alarm, according to a preset cooling temperature parameter and the judgment delay time parameter, cooling the terminal seat to a temperature corresponding to a third temperature parameter and keeping the time length corresponding to a first judgment delay time parameter, then collecting fifth unit test data after cooling test, comparing the fifth unit test data with the test data of the last heating test, and determining a first unit test result of the temperature out-of-limit tripping alarm removing function test of the terminal seat according to the comparison result;

responding to the terminal seat triggering temperature out-of-limit tripping alarm, according to a preset cooling temperature parameter and the judgment delay time parameter, cooling the terminal seat to a temperature corresponding to a fourth temperature parameter and keeping the time length corresponding to a second judgment delay time parameter, then collecting sixth unit test data after cooling test, comparing the sixth unit test data with the test data of the last heating test, and determining a second unit test result of the temperature out-of-limit tripping alarm removing function test of the terminal seat according to the comparison result;

responding to the terminal seat triggering temperature out-of-limit tripping alarm, according to a preset cooling temperature parameter and the judgment delay time parameter, cooling the terminal seat to a temperature corresponding to a fourth temperature parameter and keeping the time length corresponding to a first judgment delay time parameter, then collecting sixth unit test data after cooling test, comparing the sixth unit test data with the test data of the last heating test, and determining a third unit test result of the temperature out-of-limit tripping alarm removing function test of the terminal seat according to the comparison result;

and according to the unit test result of each temperature out-of-limit trip alarm release function test, when any unit test result is unqualified, the test result of the temperature out-of-limit trip alarm release function test of the output terminal base is unqualified.

Preferably, the method further comprises the following steps:

reading the set parameter measured value stored in the tested electric energy meter, and comparing the set parameter measured value with a set parameter reference value to obtain a test result of the temperature out-of-limit trip alarm set parameter setting function, wherein the set parameter reference value is a numerical value in a temperature out-of-limit trip alarm threshold value writing instruction received by the tested electric energy meter.

Preferably, the method further comprises the following steps:

and reading the actual setting value of the temperature out-of-limit tripping alarm function opening field stored in the tested electric energy meter, and comparing the actual setting value with the reference setting value of the temperature out-of-limit tripping alarm function opening field to obtain the test result of the temperature out-of-limit tripping alarm function opening.

Secondly, this application second aspect provides a terminal block temperature trip alarm function detection device that transfinites, includes:

the temperature out-of-limit tripping alarm action function testing unit is used for heating a terminal seat of a tested electric energy meter to a first set temperature and keeping the set time length according to preset current parameters, heating temperature parameters and judging delay time parameters, then acquiring first test data after the current heating test, comparing the first test data with the obtained test data of the last heating test, and determining the test result of the temperature out-of-limit tripping alarm action function test of the terminal seat according to the comparison result, wherein the test data comprises: the system comprises a terminal base, a temperature out-of-limit tripping event recording module, a first set temperature, a set time length and a judgment delay time parameter, wherein the first set temperature corresponds to the heating temperature parameter, the set time length corresponds to the judgment delay time parameter, the current parameter is obtained according to the terminal base temperature out-of-limit tripping current threshold value, the heating temperature parameter is obtained according to a preset temperature out-of-limit tripping alarm threshold value, and the judgment delay time parameter is obtained according to the preset temperature out-of-limit tripping alarm judgment delay threshold value;

the temperature out-of-limit trip alarm release function test unit is used for responding to the triggering of the temperature out-of-limit trip alarm of the terminal seat, cooling the terminal seat to a second set temperature according to a preset cooling temperature parameter and the judgment delay time parameter, keeping the set time length, collecting second test data after the cooling test, comparing the second test data with the test data of the last heating test, and determining a test result of the temperature out-of-limit trip alarm release function test of the terminal seat according to the comparison result, wherein the second set temperature corresponds to the cooling temperature parameter, and the cooling temperature parameter is obtained according to a preset temperature out-of-limit trip alarm release threshold value;

and the judging unit is used for outputting that the temperature out-of-limit tripping alarm function of the terminal block detects that the terminal block is unqualified when any one test result is unqualified according to each test result.

The third aspect of the present application provides a terminal block temperature out-of-limit tripping alarm function detection system, which includes: the device comprises a tested electric energy meter and a detection device;

the detection device specifically includes: the terminal comprises a control assembly, a terminal seat heating assembly, a terminal seat temperature measuring assembly, a terminal seat heat dissipation assembly and a data acquisition assembly;

the terminal seat heating assembly, the terminal seat temperature measuring assembly, the terminal seat heat dissipation assembly and the data acquisition assembly are respectively connected with the tested electric energy meter;

the control assembly is specifically used for controlling the terminal seat heating assembly, the terminal seat temperature measuring assembly, the terminal seat heat dissipation assembly and the data acquisition assembly, and according to the terminal seat temperature out-of-limit tripping alarm function detection method, terminal seat temperature out-of-limit tripping alarm function detection is carried out on the measured electric energy meter.

Preferably, the detection device further comprises: a communication component;

and the control end of the communication assembly is connected with the control assembly and is used for uploading a test result of the detection of the temperature out-of-limit tripping alarm function of the terminal block to a rear-end workstation.

Preferably, the method further comprises the following steps: a data encryption authentication component;

and the data encryption and authentication component is used for encrypting the data sent to the back-end workstation by the communication component.

According to the technical scheme, the embodiment of the application has the following advantages:

the method accurately controls the temperature out-of-limit tripping alarm value and the stable duration of the terminal block of the tested electric energy meter and utilizes the historical data record to compare, the temperature out-of-limit tripping alarm anti-misoperation test and the alarm removal anti-misoperation test are carried out on the terminal block of the tested electric energy meter to be tested, whether the temperature out-of-limit tripping alarm function of the terminal block of the tested electric energy meter can reliably act within the set threshold range is realized, whether the function is falsely operated or not is tested under the condition of the set threshold error boundary, and the reliable operation of the terminal block temperature out-of-limit tripping alarm function of the tested electric energy meter is finally ensured, so that the technical problem that the detection mode applicability is low in the detection of the temperature out-of-limit tripping alarm function of the terminal block of the tested electric energy meter is solved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a schematic flowchart of a first embodiment of a method for detecting a trip alarm function when a terminal block temperature is out of limit provided by the present application;

fig. 2 is a schematic flowchart of a method for detecting a trip alarm function when a terminal block temperature is out of limit according to a second embodiment of the present disclosure;

fig. 3 is a schematic structural diagram of a first embodiment of a terminal block temperature out-of-limit trip warning function detection device provided by the present application;

fig. 4 is a schematic structural diagram of a first embodiment of a terminal block temperature out-of-limit trip alarm function detection system according to the present application.

Detailed Description

The embodiment of the application provides a method, a device and a system for detecting a terminal block temperature out-of-limit tripping alarm function, which are used for solving the technical problem of low detection mode applicability existing in the detection of the terminal block temperature out-of-limit tripping alarm function of the existing measured electric energy meter.

In order to make the objects, features and advantages of the present invention more apparent and understandable, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the embodiments described below are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1, a first aspect of the present application provides a method for detecting a temperature out-of-limit trip warning function of a terminal block, including:

step 101, heating a terminal block of a tested electric energy meter to a first set temperature and keeping the terminal block for a set time according to preset current parameters, heating temperature parameters and judgment delay time parameters, then collecting first test data after a current heating test, comparing the first test data with the obtained test data of the last heating test, and determining a test result of the temperature out-of-limit tripping alarm action function test of the terminal block according to the comparison result.

Wherein the test data comprises: the total times of temperature out-of-limit tripping, the record information of the temperature out-of-limit tripping event (specifically, the record information can comprise the occurrence time, the ending time, the temperature of each terminal block at the occurrence time and the temperature of each terminal block at the ending time of the temperature out-of-limit tripping event) and the electric energy meter state word information (comprising an electric energy meter operation state word 3 (a relay command state and a relay state), an electric energy meter operation state word 4 (terminal temperature overheating), and an active reporting state word (successful closing, successful tripping and terminal temperature overheating)). The first set temperature corresponds to a heating temperature parameter, the set time length corresponds to a judgment delay time parameter, the current parameter is obtained according to the fact that the temperature of the terminal block exceeds the trip current threshold value, the heating temperature parameter is obtained according to a preset temperature out-of-limit trip alarm threshold value, and the judgment delay time parameter is obtained according to the preset temperature out-of-limit trip alarm judgment delay threshold value.

It should be noted that, based on the method for detecting the terminal block temperature out-of-limit trip alarm function of the present embodiment, first, a test for preventing false operation of the temperature out-of-limit trip is performed, specifically, by heating the terminal block of the electrical energy meter to be tested to a set temperature and keeping a preset determination delay time through preset test parameters, then, test data of the current heating test is collected, the newly obtained test data is compared with the test data obtained by the previous heating test, and according to data changes of the two tests, a test result of the test for the temperature out-of-limit trip alarm function of the terminal block is determined.

And 102, responding to the terminal seat triggering temperature out-of-limit tripping alarm, cooling the terminal seat to a second set temperature according to a preset cooling temperature parameter and a judgment delay time parameter, keeping the set time, collecting second test data after the cooling test, comparing the second test data with the test data of the last heating test, and determining a test result of the temperature out-of-limit tripping alarm removing function test of the terminal seat according to the comparison result.

After obtaining the test result of the function test of the temperature out-of-limit trip alarm action of the terminal base, continuing to execute the second step, namely, the function test of the temperature out-of-limit trip alarm release, specifically, heating the terminal base of the tested electric energy meter to the state of triggering the temperature out-of-limit trip alarm by a method similar to the heating test in the step 101, then starting to perform heat dissipation and temperature reduction processing on the terminal base, cooling the terminal base to the set temperature and keeping the preset judgment delay time, then collecting the test data of the test, comparing the newly obtained test data with the test data obtained in the last heating test, and determining the test result of the function test of the temperature out-of-limit trip alarm action of the terminal base according to the data change of the two tests.

The second set temperature corresponds to a cooling temperature parameter, and the cooling temperature parameter is obtained according to a preset temperature out-of-limit tripping alarm release threshold value.

And 103, according to each test result, when any one test result is unqualified, the output terminal block temperature out-of-limit tripping alarm function detects the unqualified test.

And based on the two test results obtained in the

steps

101 and 102, when any one test result is unqualified, the output terminal block temperature out-of-limit trip alarm function detects the unqualified test result. Otherwise, the product is qualified.

According to the embodiment of the application, the temperature out-of-limit tripping alarm value and the stable duration of the terminal block of the tested electric energy meter are accurately controlled, and the historical data record is used for comparison, the temperature out-of-limit tripping alarm misoperation prevention test and the alarm removal misoperation prevention test are carried out on the terminal block of the tested electric energy meter to be tested, whether the temperature out-of-limit tripping alarm function of the terminal block of the tested electric energy meter can reliably act within the set threshold range or not is realized, whether the function is mistakenly operated or not is tested under the set threshold error boundary condition, and the reliable operation of the terminal block temperature out-of-limit tripping alarm function of the tested electric energy meter is finally ensured, so that the technical problem that the detection mode applicability is low in the detection of the temperature out-of limit tripping alarm function of the terminal block of the tested electric energy meter is solved.

The above is a detailed description of a first embodiment of a method for detecting a terminal block temperature out-of-limit trip warning function provided by the present application, and the following is a detailed description of a second embodiment of a method for detecting a terminal block temperature out-of-limit trip warning function provided by the present application.

Referring to fig. 2, based on the first embodiment, a second embodiment of the present application provides a method for detecting a trip alarm function when a terminal block temperature is out of limit, comprising:

more specifically, the parameters mentioned in the first embodiment, wherein the current parameters include: the terminal base temperature over-limit tripping device comprises a first current parameter I + delta and a second current parameter I-delta, wherein the first current parameter is larger than a terminal base temperature over-limit tripping current threshold I, and the second current parameter is smaller than the terminal base temperature over-limit tripping current threshold I;

the heating temperature parameters include: a first temperature parameter T1+ δ 1 and a second temperature parameter T1- δ 1, wherein the first temperature parameter is greater than a temperature out-of-limit trip alarm threshold T1 and the second temperature parameter is less than a temperature out-of-limit trip alarm threshold T1;

determining the delay time parameter includes: the system comprises a first judgment delay time parameter T + delta 2 and a second judgment delay time parameter T-delta 2, wherein the first judgment delay time parameter is larger than a temperature out-of-limit trip alarm judgment delay threshold T, and the second judgment delay time parameter is smaller than the temperature out-of-limit trip alarm judgment delay threshold T;

the cooling temperature parameters include: a third temperature parameter T2+ δ 1 and a fourth temperature parameter T2- δ 1, wherein the third temperature parameter is greater than the out-of-temperature trip alarm release threshold T2 and the fourth temperature parameter is less than the out-of-temperature trip alarm release threshold T2.

Step 101 in the first embodiment specifically includes:

and step 1011, according to the first current parameter, heating the terminal block to the temperature corresponding to the second temperature parameter and keeping the time length corresponding to the first judgment delay time parameter, then acquiring the first unit test data after the current heating test, comparing the first unit test data with the obtained test data of the last heating test, and determining the first unit test result of the temperature out-of-limit tripping alarm action function test of the terminal block according to the comparison result.

More specifically, firstly, the terminal block temperature of each terminal block of the tested electric energy meter, the total times of terminal temperature overrun tripping events, the last terminal temperature overrun tripping event record, an electric meter running state word 3 (relay command state and relay state), an electric meter running state word 4 (terminal temperature overheating), and an active reporting state word (successful closing, successful tripping and terminal temperature overheating) are read and analyzed; the effective information of the last terminal temperature overrun tripping event record comprises: the generation time, the end time, the temperature of each terminal block at the generation time and the temperature of each terminal block at the end time.

Reading a set threshold parameter of the over-limit tripping of the temperature of a terminal base of the tested electric energy meter, taking the threshold as a reference value of the over-limit of the preset target temperature of the terminal base heating of the electric energy meter, sending a switch-on command to the tested electric energy meter, confirming that the relay state of the electric energy meter is switched on, controlling a power source to provide I + delta A input current (I is the threshold value of the over-limit tripping current of the terminal base temperature, and delta is a current error range) for the electric energy meter, heating each terminal base of the electric energy meter according to the lower error limit of the preset over-limit tripping threshold value, enabling each terminal base of the electric energy meter to reach T1-delta 1 ℃ at most, keeping the time of the over-limit judgment delay time error upper limit T + delta 2, and then stopping heating and starting cooling.

Then, reading the total times of the terminal seat temperature overrun tripping events corresponding to the measured electric energy meter, the last terminal seat temperature overrun tripping event record, an electric meter running state word 3 (a relay command state and a relay state), an electric meter running state word 4 (terminal temperature overheating), and actively reporting state words (successful closing, successful tripping and terminal temperature overheating); comparing the total times of the corresponding terminal seat temperature overrun tripping events, the last terminal seat temperature overrun tripping event record, an ammeter operation state word 3 (relay command state, relay state), an ammeter operation state word 4 (terminal temperature overheating), an active reporting state word (switching-on success, tripping success, terminal temperature overheating) with effective data obtained before heating, judging whether the terminal seat temperature overrun tripping misoperation-preventing function of the tested electric energy meter is qualified or not according to the comparison result, and judging that the terminal seat temperature overrun tripping misoperation-preventing function is qualified if the total times of the corresponding terminal seat temperature overrun events are increased by 1 time, the last terminal seat temperature overrun event record, the ammeter operation state word 3 (relay command state, relay state), the ammeter operation state word 4 (terminal temperature overheating) and the active reporting state word (successful switching-on, successful tripping, terminal temperature overheating) are not changed, otherwise, judging the product to be unqualified.

For example, the temperature overrun trip threshold value parameters of the terminal block of the tested electric energy meter are read, such as the temperature overrun trip threshold value T1 being 135 ℃, the temperature overrun release trip threshold value T2 being 100 ℃, the temperature overrun trip current threshold value being 30A, and the determination delay time constant value T being 20S; before testing, switching on the electric energy meter, applying a load current of 30.5A, heating each terminal seat of the electric energy meter by the temperature acquisition control unit based on PID control logic according to a preset temperature overrun tripping threshold value error lower limit, enabling the highest temperature among each terminal seat of the electric energy meter to reach 130 ℃, keeping the temperature overrun judgment delay time error upper limit for 22S time, then stopping heating and starting a fan to cool. If the total times of the corresponding terminal block temperature overrun events and the last terminal block temperature overrun event record are not changed, the electric meter running state word 3 (relay command state and relay state), the electric meter running state word 4 (terminal temperature overheating) and the active reporting state word (switching-on success, tripping success and terminal temperature overheating) are not changed into '1', the terminal block temperature overrun tripping misoperation prevention function is judged to be qualified, and otherwise, the terminal block temperature overrun tripping prevention function is judged to be unqualified.

And 1012, according to the first current parameter, heating the terminal base to a temperature corresponding to the first temperature parameter and keeping a duration corresponding to the second determination delay time parameter, then acquiring second unit test data after the current heating test, comparing the second unit test data with the obtained test data of the last heating test, and determining a second unit test result of the temperature out-of-limit tripping alarm action function test of the terminal base according to the comparison result.

More specifically, the terminal block temperature of each terminal block of the tested electric energy meter, the total times of terminal temperature overrun tripping events, the last terminal temperature overrun tripping event record, an electric meter running state word 3 (relay command state and relay state), an electric meter running state word 4 (terminal temperature overheating), and an active reporting state word (successful closing, successful tripping and terminal temperature overheating) are read and analyzed; the effective information of the last terminal temperature overrun tripping event record comprises: the generation time, the end time, the temperature of each terminal block at the generation time and the temperature of each terminal block at the end time.

Reading a set threshold parameter of tripping when the temperature of the terminal block of the tested electric energy meter exceeds the limit, and taking the threshold as a reference value of the terminal block of the electric energy meter for heating the preset target temperature to exceed the limit (a terminal block overheating tripping threshold T1, a terminal block temperature recovery tripping release fixed value T2 and a terminal block overheating tripping judgment delay time fixed value T); the actual temperature Td of each terminal seat measured by the terminal seat temperature measurement module is used as a preposed input condition corresponding to the preset condition of the heating terminal seat, and the temperature overrun T1(PID setting feedback quantity) of each terminal seat is calculated, so that the closed-loop control of the preset temperature overrun threshold T1 is realized based on the PID control logic; and the temperature acquisition control unit heats each terminal seat of the electric energy meter based on PID control logic according to the upper limit of the error of the preset temperature overrun tripping threshold value, enables the highest temperature of each terminal seat of the electric energy meter to reach T1+ delta 1 ℃, keeps the temperature overrun and judges the time of the lower limit of the delay time error T-delta 2, and then stops heating and starts cooling.

Then, reading the total times of the terminal seat temperature overrun tripping events corresponding to the measured electric energy meter, the last terminal seat temperature overrun tripping event record, an electric meter running state word 4 (terminal temperature overheating), and an active reporting state word (terminal temperature overheating); comparing the total times of the corresponding terminal seat temperature overrun tripping events, the last terminal seat temperature overrun tripping event record, the ammeter running state word 4 (terminal temperature overheating), the active reporting state word (terminal temperature overheating) with effective data acquired before heating, judging whether the terminal seat temperature overrun tripping misoperation preventing function of the measured electric energy meter is qualified or not according to the comparison result, and if the total times of the corresponding terminal seat temperature overrun events, the last terminal seat temperature overrun event record, the ammeter running state word 3 (relay command state, relay state), the ammeter running state word 4 (terminal temperature overheating), the active reporting state word (switching-on success, tripping success and terminal temperature overheating) are not changed, judging that the terminal seat temperature overrun tripping misoperation preventing function is qualified, otherwise, judging that the terminal seat temperature overrun tripping function is unqualified.

For example: the method comprises the steps that set threshold parameters of the temperature overrun tripping of a terminal block of the tested electric energy meter are read, wherein the set threshold parameters comprise the temperature overrun tripping threshold T1 which is 135 ℃, the temperature overrun tripping removing threshold T2 which is 100 ℃, the temperature overrun tripping current threshold which is 30A and the judgment delay time fixed value T which is 20S; before testing, switching on the electric energy meter, applying a load current of 30.5A, heating each terminal seat of the electric energy meter by the temperature acquisition control unit based on PID control logic according to the upper limit of the error of the preset temperature overrun tripping threshold value, enabling the highest temperature among the terminal seats of the electric energy meter to reach 140 ℃, keeping the temperature overrun, judging the lower limit of the delay time error for 18S, then stopping heating, and starting a fan to cool. If the total times of the corresponding terminal block temperature overrun events and the last terminal block temperature overrun event record are not changed, the electric meter running state word 3 (relay command state and relay state), the electric meter running state word 4 (terminal temperature overheating) and the active reporting state word (switching-on success, tripping success and terminal temperature overheating) are not changed into '1', the terminal block temperature overrun tripping misoperation prevention function is judged to be qualified, and otherwise, the terminal block temperature overrun tripping prevention function is judged to be unqualified.

And 1013, according to the first current parameter, heating the terminal base to a temperature corresponding to the first temperature parameter and keeping a duration corresponding to the first judgment delay time parameter, then acquiring the test data of the third unit after the current heating test, comparing the test data of the third unit with the obtained test data of the last heating test, and determining the test result of the third unit for the temperature out-of-limit tripping alarm action function test of the terminal base according to the comparison result.

More specifically, reading and analyzing the total times of the temperature overrun tripping events of each terminal seat of the measured electric energy meter, the effective information of the temperature overrun tripping event record of the last terminal seat, an electric meter running state word 3 (a relay command state and a relay state), an electric meter running state word 4 (terminal temperature overheating), and an active reporting state word (successful closing, successful tripping and terminal temperature overheating); the effective information of the last terminal temperature overrun tripping event record comprises: the generation time, the ending time, the temperature of each terminal block at the generation time and the temperature of each terminal block at the ending time;

reading a set threshold parameter of the over-limit tripping of the temperature of a terminal base of the tested electric energy meter, taking the threshold as a reference value of the over-limit of the preset target temperature of the terminal base heating of the electric energy meter, sending a closing command to the tested electric energy meter, confirming that the relay state of the electric energy meter is closed, controlling a power source to provide I + delta A input current (I is the threshold value of the over-limit tripping current of the terminal base temperature, and delta is a current error range) for the electric energy meter, heating each terminal base of the electric energy meter according to the upper limit of the error of the preset over-limit tripping threshold value, enabling each terminal base of the electric energy meter to reach T1+ delta 1 ℃ at most, keeping the upper limit of the temperature over-limit judging delay time error T + delta 2, and then stopping heating and starting a fan to cool.

Reading the total times of the terminal seat temperature overrun tripping events corresponding to the measured electric energy meter, recording effective information of the last terminal seat temperature overrun tripping events, comparing an electric meter running state word 3 (a relay command state and a relay state), an electric meter running state word 4 (terminal temperature overheating), an active reporting state word (switching-on success, tripping success and terminal temperature overheating) with effective data obtained before heating, and judging whether the terminal seat temperature overrun tripping function of the measured electric energy meter is qualified or not according to a comparison result; if the total times of the corresponding terminal seat temperature overrun tripping events are increased by 1 time, the electric meter running state word 3 (relay command state, relay state), the electric meter running state word 4 (terminal temperature overheating), the active reporting state word (switching-on success, tripping success and terminal temperature overheating) is changed into '1', and the last terminal seat temperature overrun event record is correspondingly changed, the terminal seat temperature overrun tripping function is judged to be qualified, otherwise, the terminal seat temperature overrun tripping function is judged to be unqualified.

For example: the method comprises the steps that set threshold parameters of the temperature overrun tripping of a terminal block of the tested electric energy meter are read, wherein the set threshold parameters comprise the temperature overrun tripping threshold T1 which is 135 ℃, the temperature overrun tripping removing threshold T2 which is 100 ℃, the temperature overrun tripping current threshold which is 30A and the judgment delay time fixed value T which is 20S; before testing, switching on the electric energy meter, applying a load current of 30.5A, heating each terminal seat of the electric energy meter by the temperature acquisition control unit based on PID control logic according to the upper limit of the error of the preset temperature overrun tripping threshold value, enabling the highest temperature among the terminal seats of the electric energy meter to reach 140 ℃, keeping the temperature overrun judgment delay time error upper limit for 22S time, and then stopping heating and starting a fan to cool; if the total times of the corresponding terminal seat temperature overrun tripping events are increased by 1 time, the electric meter running state word 3 (relay command state, relay state), the electric meter running state word 4 (terminal temperature overheating), the active reporting state word (switching-on success, tripping success and terminal temperature overheating) is changed into '1', and the last terminal seat temperature overrun event record is correspondingly changed, the terminal seat temperature overrun tripping function is judged to be qualified, otherwise, the terminal seat temperature overrun tripping function is judged to be unqualified.

And 1014, heating the terminal block to the temperature corresponding to the first temperature parameter and keeping the time length corresponding to the first judgment delay time parameter according to the second current parameter, then acquiring the fourth unit test data after the current heating test, comparing the fourth unit test data with the obtained test data of the last heating test, and determining the fourth unit test result of the temperature out-of-limit tripping alarm action function test of the terminal block according to the comparison result.

More specifically, the terminal block temperature of each terminal block of the tested electric energy meter, the total times of the terminal temperature overrun tripping events, an electric meter running state word 3 (relay command state, relay state), an electric meter running state word 4 (terminal temperature overheating), an active reporting state word (switching-on success, tripping success, terminal temperature overheating) and the last terminal temperature overrun tripping event record are read and analyzed; the effective information of the last terminal temperature overrun tripping event record comprises: the generation time, the end time, the temperature of each terminal block at the generation time and the temperature of each terminal block at the end time.

Sending a closing command to the tested electric energy meter and confirming that the relay state of the electric energy meter is closing, controlling a power source to provide I-delta A input current (I is a terminal seat temperature overrun tripping current threshold value, and delta is a current error range) for the electric energy meter, heating each terminal seat of the electric energy meter according to the upper limit of the preset temperature overrun tripping threshold value error, enabling each terminal seat of the electric energy meter to reach T1+ delta 1 ℃ at most, keeping the temperature overrun judging time delay time error upper limit T + delta 2 time, and then stopping heating and starting cooling.

Then, reading the total times of the terminal seat temperature overrun tripping events of the tested electric energy meter, the effective information of the last terminal seat temperature overrun tripping event record, an electric meter running state word 3 (a relay command state and a relay state), an electric meter running state word 4 (terminal temperature overheating), and actively reporting state words (successful closing, successful tripping and terminal temperature overheating); and comparing the relevant effective information before and after heating, judging whether the terminal block temperature overrun anti-misoperation function of the measured electric energy meter is qualified or not according to the comparison result, if the total times of the temperature overrun events of the corresponding terminal block, the last temperature overrun event record of the terminal block, the electric meter running state word 3 (relay command state and relay state), the electric meter running state word 4 (terminal temperature overheating) and the active reporting state word (successful closing, successful tripping and terminal temperature overheating) are not changed, judging that the terminal block temperature overrun anti-misoperation function is qualified, and otherwise, judging that the terminal block temperature overrun anti-misoperation function is unqualified.

For example: the method comprises the steps that set threshold parameters of the temperature overrun tripping of a terminal block of the tested electric energy meter are read, wherein the set threshold parameters comprise the temperature overrun tripping threshold T1 which is 135 ℃, the temperature overrun tripping removing threshold T2 which is 100 ℃, the temperature overrun tripping current threshold which is 30A and the judgment delay time fixed value T which is 20S; before testing, switching on the electric energy meter, applying a load current of 29.5A, heating each terminal seat of the electric energy meter by the temperature acquisition control unit based on PID control logic according to the upper limit of the error of the preset temperature overrun tripping threshold value, enabling the highest temperature among the terminal seats of the electric energy meter to reach 140 ℃, keeping the temperature overrun judgment delay time error upper limit for 22S time, and then stopping heating and starting a fan to cool; if the total times of the corresponding terminal block temperature overrun events and the last terminal block temperature overrun event record are not changed, the electric meter running state word 3 (relay command state and relay state), the electric meter running state word 4 (terminal temperature overheating) and the active reporting state word (switching-on success, tripping success and terminal temperature overheating) are not changed into '1', the terminal block temperature overrun tripping misoperation prevention function is judged to be qualified, and otherwise, the terminal block temperature overrun tripping prevention function is judged to be unqualified.

And step 1015, according to the unit test results of each temperature out-of-limit trip alarm action function test, when any one unit test result is unqualified, the test result of the temperature out-of-limit trip alarm action function test of the output terminal base is unqualified.

Based on the unit test results obtained in the steps 1011 to 1014, when any one of the unit test results is unqualified, the test result of the temperature out-of-limit trip alarm action function test of the output terminal block is unqualified.

Still further, step 102 in the first embodiment specifically includes:

step 1021, responding to a terminal seat trigger temperature out-of-limit tripping alarm, according to a preset cooling temperature parameter and a judgment delay time parameter, cooling the terminal seat to a temperature corresponding to a third temperature parameter and keeping the time length corresponding to a first judgment delay time parameter, then collecting fifth unit test data after cooling test, comparing the fifth unit test data with the test data of the last heating test, and determining a first unit test result of the temperature out-of-limit tripping alarm removing function test of the terminal seat according to the comparison result;

more specifically, the terminal block temperature of each terminal block of the tested electric energy meter, the total times of the terminal temperature overrun tripping events, an electric meter running state word 3 (relay command state, relay state), an electric meter running state word 4 (terminal temperature overheating), an active reporting state word (switching-on success, tripping success, terminal temperature overheating) and the last terminal temperature overrun tripping event record are read and analyzed; the effective information of the last terminal temperature overrun tripping event record comprises: the generation time, the ending time, the temperature of each terminal block at the generation time and the temperature of each terminal block at the ending time;

the method comprises the steps of sending a closing command to a tested electric energy meter and confirming that the relay state of the electric energy meter is closed, controlling a power source to provide I + delta A input current to the electric energy meter (I is a terminal seat temperature overrun tripping current threshold value, and delta is a current error range), heating terminal seats of the electric energy meter to enable the electric energy meter to generate a terminal seat temperature overrun tripping event, stopping heating, starting a fan to cool, and when the highest temperature of each terminal is reduced to a preset terminal seat temperature recovery alarm release fixed value error upper limit T2+ delta 1 ℃, carrying out PID heating control on the terminal temperature of the electric energy meter to enable the highest temperature of all terminal seats to be stably maintained at T2+ delta 1 ℃ and continuously judging the time of the delay time error upper limit T + delta 2.

Then, reading the total times of the terminal seat temperature overrun tripping events of the tested electric energy meter, the effective information of the last terminal seat temperature overrun tripping event record, an electric meter running state word 3 (a relay command state and a relay state), an electric meter running state word 4 (terminal temperature overheating), and actively reporting state words (successful closing, successful tripping and terminal temperature overheating); comparing the relevant effective information before and after heating, judging whether the terminal block temperature overrun release alarm anti-misoperation function of the tested electric energy meter is qualified or not according to the comparison result, judging whether the terminal block temperature overrun release trip anti-misoperation function of the tested electric energy meter is qualified or not according to the comparison result, judging whether the terminal block temperature data of the terminal block at the end moment and the end moment in the last terminal block temperature overrun trip event record is 'null', judging whether the terminal block temperature recovery alarm release anti-misoperation function is qualified or not if the terminal block temperature data of the terminal block at the end moment and the end moment are still '1', and judging whether the terminal block temperature recovery alarm release anti-misoperation function is unqualified or not.

For example, the temperature overrun trip threshold value parameters of the terminal block of the tested electric energy meter are read, such as the temperature overrun trip threshold value T1 being 135 ℃, the temperature overrun release trip threshold value T2 being 100 ℃, the temperature overrun trip current threshold value being 30A, and the determination delay time constant value T being 20S; before testing, switching on the electric energy meter, applying a load current of 30.5A, heating terminal seats of the electric energy meter to enable the electric energy meter to generate a terminal seat temperature overrun tripping event, stopping heating, starting a fan to cool, and when the highest temperature of each terminal is reduced to a preset terminal seat temperature, recovering an alarm, removing a fixed value error upper limit of 105 ℃, performing PID heating control on the terminal temperature of the electric energy meter to enable the highest temperature of all the terminal seats to be stably maintained at 105 ℃ and continuously heating for an overrun determination delay time error upper limit of 22S; if the terminal block temperature data of the ending moment and the ending moment in the last terminal block temperature overrun tripping event record is null, the electric meter running state word 4 (terminal temperature overheating) and the active reporting state word (terminal temperature overheating) are still 1, judging that the terminal block temperature recovery alarm removal anti-misoperation function is qualified, and otherwise, judging that the terminal block temperature recovery alarm removal anti-misoperation function is unqualified.

Step 1022, in response to the terminal block triggering of the temperature out-of-limit trip alarm, according to a preset cooling temperature parameter and a judgment delay time parameter, cooling the terminal block to a temperature corresponding to a fourth temperature parameter and keeping a duration corresponding to a second judgment delay time parameter, then collecting sixth unit test data after the cooling test, comparing the sixth unit test data with test data of a previous heating test, and determining a second unit test result of the temperature out-of-limit trip alarm removing function test of the terminal block according to the comparison result;

sending a closing command to the tested electric energy meter and confirming that the relay state of the electric energy meter is closed, controlling a power source to provide I + delta A input current (I is a terminal seat temperature overrun tripping current threshold value, and delta is a current error range) for the electric energy meter, heating each electric energy meter terminal seat to enable the electric energy meter to generate a terminal seat temperature overrun tripping event, stopping heating, starting a fan to cool, and when the highest temperature of each terminal is reduced to a preset terminal seat temperature recovery alarm removal fixed value error lower limit T2-delta 1 ℃, carrying out PID heating control on the terminal temperature of the electric energy meter to enable the highest temperature of all the terminal seats to be stably maintained at T2-delta 1 ℃ and continuously heating after the temperature overrun judgment delay time error lower limit T-delta 2 time;

reading the total times of the over-temperature-limit tripping events of the terminal block of the tested electric energy meter, recording effective information of the over-temperature-limit tripping events of the last terminal block, an electric meter running state word 3 (a relay command state and a relay state), an electric meter running state word 4 (terminal temperature overheating), and actively reporting the state words (successful closing, successful tripping and terminal temperature overheating); comparing the relevant effective information before and after heating, judging whether the terminal block temperature overrun release alarm anti-misoperation function of the tested electric energy meter is qualified or not according to the comparison result, judging whether the terminal block temperature overrun release trip anti-misoperation function of the tested electric energy meter is qualified or not according to the comparison result, judging whether the terminal block temperature data of the terminal block at the end moment and the end moment in the last terminal block temperature overrun trip event record is 'null', judging whether the terminal block temperature recovery alarm release anti-misoperation function is qualified or not if the terminal block temperature data of the terminal block at the end moment and the end moment are still '1', and judging whether the terminal block temperature recovery alarm release anti-misoperation function is unqualified or not.

For example: the method comprises the steps that set threshold parameters of the temperature overrun tripping of a terminal block of the tested electric energy meter are read, wherein the set threshold parameters comprise the temperature overrun tripping threshold T1 which is 135 ℃, the temperature overrun tripping removing threshold T2 which is 100 ℃, the temperature overrun tripping current threshold which is 30A and the judgment delay time fixed value T which is 20S; before testing, switching on the electric energy meter, applying a load current of 30.5A, heating terminal seats of the electric energy meter to enable the electric energy meter to generate a terminal seat temperature overrun tripping event, stopping heating, starting a fan to cool, and when the highest temperature of each terminal is reduced to the preset terminal seat temperature, recovering the alarm, removing the upper limit of a fixed value error of 95 ℃, carrying out PID heating control on the terminal temperature of the electric energy meter to enable the highest temperature of all the terminal seats to be stably maintained at 95 ℃ and continuously heating for 18S time after the temperature overrun judgment delay time error upper limit; if the terminal block temperature data of the ending moment and the ending moment in the last terminal block temperature overrun tripping event record is null, the electric meter running state word 4 (terminal temperature overheating) and the active reporting state word (terminal temperature overheating) are still 1, judging that the terminal block temperature recovery alarm removal anti-misoperation function is qualified, and otherwise, judging that the terminal block temperature recovery alarm removal anti-misoperation function is unqualified.

Step 1023, responding to the triggering of the temperature out-of-limit tripping alarm of the terminal base, according to a preset cooling temperature parameter and a judgment delay time parameter, cooling the terminal base to the temperature corresponding to a fourth temperature parameter and keeping the time length corresponding to the first judgment delay time parameter, then collecting the sixth unit test data after the cooling test, comparing the sixth unit test data with the test data of the last heating test, and determining the third unit test result of the temperature out-of-limit tripping alarm removing function test of the terminal base according to the comparison result;

sending a closing command to the tested electric energy meter and confirming that the relay state of the electric energy meter is closed, controlling a power source to provide I + delta A input current (I is a terminal seat temperature overrun tripping current threshold value, and delta is a current error range) for the electric energy meter, heating each electric energy meter terminal seat to enable the electric energy meter to generate a terminal seat temperature overrun tripping event, stopping heating, starting a fan to cool, and when the highest temperature of each terminal is reduced to a preset terminal seat temperature recovery alarm release fixed value error lower limit T2-delta 1 ℃, carrying out PID heating control on the terminal temperature of the electric energy meter to enable the highest temperature of all the terminal seats to be stably maintained at T2-delta 1 ℃ and continuously judging the time of the delay time error upper limit T + delta 2;

reading the total times of the over-temperature-limit tripping events of the terminal block of the tested electric energy meter, recording effective information of the over-temperature-limit tripping events of the last terminal block, an electric meter running state word 3 (a relay command state and a relay state), an electric meter running state word 4 (terminal temperature overheating), and actively reporting the state words (successful closing, successful tripping and terminal temperature overheating); comparing the relevant effective information before and after heating, judging whether the terminal seat temperature overrun release alarm anti-misoperation function of the tested electric energy meter is qualified or not according to the comparison result, judging whether the terminal seat temperature overrun release trip anti-misoperation function of the tested electric energy meter is qualified or not according to the comparison result, judging whether the terminal seat temperature data of the last terminal seat temperature overrun trip event record is changed and accords with the reality, judging whether the terminal seat temperature recovery alarm release function is qualified or not if the terminal seat temperature data of the last terminal seat temperature overrun trip event record is changed and the terminal seat temperature data accords with the reality, and judging whether the terminal seat temperature recovery alarm release function is unqualified or not.

For example: the method comprises the steps that set threshold parameters of the temperature overrun tripping of a terminal block of the tested electric energy meter are read, wherein the set threshold parameters comprise the temperature overrun tripping threshold T1 which is 135 ℃, the temperature overrun tripping removing threshold T2 which is 100 ℃, the temperature overrun tripping current threshold which is 30A and the judgment delay time fixed value T which is 20S; before testing, switching on the electric energy meter, applying a load current of 30.5A, heating terminal seats of the electric energy meter to enable the electric energy meter to generate a terminal seat temperature overrun tripping event, stopping heating, starting a fan to cool, and when the highest temperature of each terminal is reduced to the preset terminal seat temperature, recovering the alarm, removing the upper limit of a fixed value error of 95 ℃, performing PID heating control on the terminal temperature of the electric energy meter to enable the highest temperature of all the terminal seats to be stably maintained at 95 ℃ and continuously heating for an overrun judgment delay time error upper limit of 22S and then continuing heating; and if the temperature data of each terminal block at the ending moment and the ending moment in the last terminal block temperature overrun tripping event record are changed and meet the practical requirement, the word 4 of the running state of the ammeter (terminal temperature overheating) and the actively reported state word (terminal temperature overheating) are changed into '0', judging that the terminal block temperature recovery alarm relieving function is qualified, and otherwise, judging that the terminal block temperature recovery alarm relieving function is unqualified.

And step 1024, according to the unit test results of the temperature out-of-limit trip alarm release function test, when any one unit test result is unqualified, outputting the test result of the temperature out-of-limit trip alarm release function test of the terminal block as unqualified.

Based on the unit test results obtained in the steps 1021 to 1023, when any one unit test result is unqualified, the test result of the temperature out-of-limit trip alarm release function test of the output terminal base is unqualified.

In order to implement the complete detection method, the following steps can be further added on the basis of the steps provided above, and the method specifically comprises the following steps:

further, the method provided by this embodiment further includes:

step 1001, reading a set parameter measured value stored in the measured electric energy meter, and comparing the set parameter measured value with a set parameter reference value to obtain a test result of the temperature out-of-limit trip alarm set parameter setting function, wherein the set parameter reference value is a numerical value of a temperature out-of-limit trip alarm threshold value write-in instruction received by the measured electric energy meter.

More specifically, sending a writing instruction of the sub-base temperature overrun trip set threshold value parameter to the tested electric energy meter one by one according to various types of combined parameters in a set value range; the set threshold parameters comprise a terminal seat overheating trip threshold value, a terminal seat temperature recovery alarm release fixed value and a terminal seat overheating trip determination delay time fixed value, wherein the terminal seat temperature overrun trip threshold value: 130-150 ℃, the minimum set value grade difference is 0.1 ℃, the default set value is 135.0 ℃, and the allowable deviation is +/-5.0 ℃; the temperature of the terminal block recovers the tripping release fixed value: 100.0 ℃, default set point of 100.0 ℃, and allowable deviation of +/-5.0 ℃; the temperature of the terminal block exceeds the tripping current threshold: 10A-80A, the default set value is 30A, and the allowable deviation is +/-0.5A; the terminal seat temperature overrun determination delay time fixed value range: 1 s-99 s, the minimum set value level difference is 1s, the default set value is 20s, and the allowable deviation is +/-2 s.

For example: the temperature overrun tripping threshold of the tested electric energy meter terminal base is written as 1350 by the numerical identification item 04091301, namely the overheating tripping threshold of the electric energy meter terminal base is set as 135 ℃; writing the temperature recovery trip release fixed value of the tested electric energy meter terminal block as 1000 through the number identification item '04091302', namely setting the temperature recovery trip release fixed value of the electric energy meter terminal block as 100 ℃; the temperature over-limit tripping current threshold of the tested electric energy meter terminal block is written as '030000' through the digital identification item '04091303', namely the temperature over-limit tripping current threshold of the electric energy meter terminal block is set as 30A; the numerical identification item '04091304' is used for writing the temperature overrun trip determination delay time of the tested electric energy meter terminal base as '20', namely the temperature overrun trip determination delay time of the tested electric energy meter terminal base is set to be 20S.

Reading an actual setting value of the measured electric energy meter corresponding to the terminal block temperature overrun trip set threshold parameter; comparing the actual setting value of the temperature overrun trip set threshold value parameter of the corresponding terminal block with the setting value in the write command; judging whether the terminal seat temperature overrun tripping threshold value parameter setting function of the tested electric energy meter is qualified or not according to the comparison result, judging to be qualified if the terminal seat temperature overrun tripping threshold value parameter setting function is readable/writable and the read parameter is consistent with the set parameter, and judging to be unqualified if the terminal seat temperature overrun tripping threshold value parameter setting function is not qualified

Further, the method provided by this embodiment further includes:

and step 1000, reading an actual setting value of a temperature out-of-limit trip alarm function opening field stored in the tested electric energy meter, and comparing the actual setting value with a reference setting value of the temperature out-of-limit trip alarm function opening field to obtain a test result of temperature out-of-limit trip alarm function opening.

More specifically, a writing instruction of a new function starting mode word (terminal row temperature measuring function), an alarm output configuration mode word (terminal temperature overheating) and an active reporting mode word (tripping, closing success and terminal temperature overheating) is sent to the measured electric energy meter, and the new function starting mode word (terminal temperature measuring function) and the active reporting mode word (tripping, closing success and terminal temperature overheating) are set to be 1 (starting state);

for example: writing the new function starting mode word of the tested electric energy meter into '001F' through the digital identification item '04091802', namely starting the new function starting mode word (terminal temperature measuring function) and actively reporting the mode word (tripping and closing success, terminal temperature overheating) function.

Reading the actual setting value of the corresponding mode word parameter of the measured electric energy meter; comparing the actual setting value of the corresponding mode word parameter with the setting value in the write command; and judging whether the terminal seat temperature overrun tripping opening setting function of the tested electric energy meter is qualified or not according to the comparison result, judging to be qualified if the terminal seat temperature overrun tripping opening setting function can be read and written and the read parameter is consistent with the set parameter, and otherwise, judging to be unqualified.

The above is a detailed description of a second embodiment of the method for detecting the terminal block temperature out-of-limit trip warning function provided by the present application, and the following is a detailed description of an embodiment of the device for detecting the terminal block temperature out-of-limit trip warning function provided by the present application.

Referring to fig. 3, a third embodiment of the present application provides a terminal block temperature out-of-limit trip alarm function detecting device, including:

temperature trip alarm action function test unit 301 that transfinites for according to the current parameter that predetermines, heating temperature parameter and judgement delay time parameter, the terminal seat that will be surveyed the electric energy meter heats to first settlement temperature and keeps setting for a specified duration, the first test data after gathering present heating test again, compare first test data with the test data of the last heating test who acquires, confirm the test result of the temperature trip alarm action function test of terminal seat that transfinites according to the comparison result, wherein, test data includes: the method comprises the steps that the total times of temperature out-of-limit tripping, temperature out-of-limit tripping event record information and electric energy meter state word information are obtained, a first set temperature corresponds to a heating temperature parameter, a set duration corresponds to a judgment delay time parameter, a current parameter is obtained according to the fact that the temperature of a terminal block exceeds a tripping current threshold value, the heating temperature parameter is obtained according to a preset temperature out-of-limit tripping alarm threshold value, and the judgment delay time parameter is obtained according to the preset temperature out-of-limit tripping alarm judgment delay threshold value;

the temperature out-of-limit trip alarm release function test unit 302 is used for responding to a terminal seat triggering temperature out-of-limit trip alarm, cooling the terminal seat to a second set temperature according to a preset cooling temperature parameter and a judgment delay time parameter, keeping the set time length, collecting second test data after the cooling test, comparing the second test data with the test data of the last heating test, and determining a test result of the temperature out-of-limit trip alarm release function test of the terminal seat according to the comparison result, wherein the second set temperature corresponds to the cooling temperature parameter, and the cooling temperature parameter is obtained according to a preset temperature out-of-limit trip alarm release threshold value;

and the judging unit 303 is configured to output that the terminal block temperature out-of-limit trip warning function detects that the terminal block is not qualified when any one of the test results is not qualified according to each test result.

The above is a detailed description of an embodiment of the terminal block temperature out-of-limit trip warning function detection device provided by the present application, and the following is a detailed description of an embodiment of the terminal block temperature out-of-limit trip warning function detection system provided by the present application.

Referring to fig. 4, a fourth embodiment of the present application provides a system for detecting a terminal block temperature out-of-limit trip warning function, including: a measured electric energy meter B and a detection device A;

the detection device specifically includes: the terminal seat temperature measuring device comprises a control assembly A1, a terminal seat heating assembly A2, a terminal seat temperature measuring assembly A3, a terminal seat heat radiating assembly A4 and a data acquisition assembly A5;

the terminal seat heating assembly A2, the terminal seat temperature measuring assembly A3, the terminal seat heat dissipation assembly A4 and the data acquisition assembly A5 are respectively connected with a tested electric energy meter B;

the control component a1 is specifically used for controlling the terminal block heating component a2, the terminal block temperature measurement component A3, the terminal block heat dissipation component a4 and the data acquisition component a5, and according to the terminal block temperature out-of-limit trip alarm function detection method mentioned in the first embodiment or the second embodiment of the present application, the terminal block temperature out-of-limit trip alarm function detection is performed on the measured electric energy meter.

Preferably, the detection device further comprises: a communication component a 6;

and the control end of the communication assembly is connected with the control assembly and is used for uploading a test result of the detection of the temperature out-of-limit tripping alarm function of the terminal block to the rear-end workstation C.

Preferably, the method further comprises the following steps: a data encryption authentication component D;

and the data encryption and authentication component is used for encrypting the data sent by the communication component to the back-end workstation C.

The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims

1. A terminal block temperature out-of-limit tripping alarm function detection method is characterized by comprising the following steps:

2. The method as claimed in claim 1, wherein the current parameters include: a first current parameter and a second current parameter, wherein the first current parameter is greater than the terminal block temperature over-trip current threshold, and the second current parameter is less than the terminal block temperature over-trip current threshold;

3. The method for detecting the temperature out-of-limit trip alarm function of the terminal block according to claim 2, wherein the step of heating the terminal block to a first set temperature and keeping the terminal block for a set time according to a preset current parameter, a preset heating temperature parameter and a preset determination delay time parameter, collecting first test data after a current heating test, comparing the first test data with the obtained test data of a last heating test, and determining a test result of the temperature out-of-limit trip alarm action function test of the terminal block according to the comparison result specifically comprises the steps of:

4. The method as claimed in claim 2, wherein the step of, in response to the terminal block triggering the temperature out-of-limit trip alarm, cooling the terminal block to a second set temperature according to a preset cooling temperature parameter and the determination delay time parameter, keeping the set time duration, collecting second test data after the cooling test, comparing the second test data with the test data of the last heating test, and determining the test result of the temperature out-of-limit trip alarm release function test of the terminal block according to the comparison result specifically includes:

5. The method for detecting the terminal block temperature out-of-limit trip alarm function according to claim 1, further comprising:

6. The method for detecting the terminal block temperature out-of-limit trip alarm function according to claim 1, further comprising:

7. The utility model provides a terminal block temperature trip alarm function detection device that transfinites which characterized in that includes:

8. The utility model provides a terminal block temperature trip alarm function detecting system that transfinites which characterized in that includes: the device comprises a tested electric energy meter and a detection device;

the control component is specifically used for controlling the terminal seat heating component, the terminal seat temperature measuring component, the terminal seat heat dissipation component and the data acquisition component, and the terminal seat temperature out-of-limit tripping alarm function detection is performed on the measured electric energy meter according to the terminal seat temperature out-of-limit tripping alarm function detection method in any one of claims 1 to 6.

9. The system of claim 8, wherein the detection device further comprises: a communication component;

10. The terminal block temperature out-of-limit trip alarm function detection system of claim 9, further comprising: a data encryption authentication component;