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CN113219367A - Energy controller loop state monitoring and testing system - Google Patents

Energy controller loop state monitoring and testing system Download PDF

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Publication number
CN113219367A
CN113219367A CN202110436292.3A CN202110436292A CN113219367A CN 113219367 A CN113219367 A CN 113219367A CN 202110436292 A CN202110436292 A CN 202110436292A CN 113219367 A CN113219367 A CN 113219367A
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CN
China
Prior art keywords
energy controller
switch control
control module
state
test system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110436292.3A
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Chinese (zh)
Inventor
王振
叶孟军
冯丹荣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Sanxing Electric Co Ltd
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Ningbo Sanxing Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ningbo Sanxing Electric Co Ltd filed Critical Ningbo Sanxing Electric Co Ltd
Priority to CN202110436292.3A priority Critical patent/CN113219367A/en
Publication of CN113219367A publication Critical patent/CN113219367A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/52Testing for short-circuits, leakage current or ground faults
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/54Testing for continuity
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B23/00Testing or monitoring of control systems or parts thereof
    • G05B23/02Electric testing or monitoring
    • G05B23/0205Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
    • G05B23/0208Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
    • G05B23/0213Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

本发明涉及一种能源控制器回路状态监测测试系统,所述监测测试系统包括用于降低输入电流并隔离干扰的变比模块、连接在变比模块输出端的开关控制模块以及设置在开关控制模块后端用以连接待监测的能源控制器的转接模块。本系统成本低、制作简单、操作方便,可适用性强。The invention relates to a loop state monitoring and testing system of an energy controller. The monitoring and testing system comprises a variable ratio module for reducing input current and isolating interference, a switch control module connected to the output end of the variable ratio module, and a switch control module arranged behind the switch control module. The terminal is used to connect the switching module of the energy controller to be monitored. The system has the advantages of low cost, simple manufacture, convenient operation and strong applicability.

Description

Energy controller loop state monitoring and testing system
Technical Field
The invention relates to the technical field of power terminals, in particular to a loop state monitoring and testing system of an energy controller.
Background
The energy controller is the novel electric power marketing information automated management terminal equipment of national grid latest generation, and it adopts the security reinforcement unified operating system of professional detection agency authentication authorization, uses the container technique, supports to dispose basic APP and the advanced business APP application software by professional detection agency authentication, has fused technologies such as mobile communication technique and high accuracy electric energy measurement, has functions such as electric energy measurement, long-range meter reading, the warning of power consumption anomaly information, return circuit state discernment.
As described above, since the energy controller has the loop state monitoring function, the function needs to be tested and verified in the batch production process to ensure that the produced product is qualified, and thus, the test and verification need to be performed by the matched equipment
However, the loop state of the energy controller is monitored in various ways, the detection is complex, and the matched functional table body is high in cost and large in size, so that the energy controller is inconvenient to put into production and use on a large scale.
Disclosure of Invention
In view of the above problems, the present invention is directed to a power controller loop status monitoring and testing system that is low in cost, simple in manufacture, convenient in use, and capable of mass production inspection.
In order to achieve the purpose, the technical scheme of the invention is as follows: a monitoring and testing system for loop state of an energy controller is characterized in that: the monitoring and testing system comprises a monitoring and testing system,
a transformation ratio module for reducing input current and isolating interference;
the switch control module is connected to the output end of the transformation ratio module;
and the switching module is arranged at the rear end of the switch control module and is used for connecting the energy controller to be monitored.
Further, the switch control modules have three groups.
Furthermore, the three groups of switch control modules are respectively a first switch control module for monitoring the short-circuit state of the energy controller, a second switch control module for monitoring the normal state of the energy controller and a third switch control module for monitoring the state of the energy controller after the energy controller is connected with the rectifying equipment in series.
Furthermore, the first switch control module, the second switch control module and the third switch control module respectively comprise a first switch, a second switch and a third switch which are correspondingly connected with the three-phase line.
Further, the transformation ratio module is a current transformer.
Further, the current transformer is LMZJ1(Lmz1) -0.5.
Furthermore, the switching module is a terminal box.
Furthermore, the circuit current of the test system in the normal state of the energy controller is monitored by 3 grades which are respectively 0A, 1A and 5A.
Further, the rectifying device is a diode.
Furthermore, when the current transformer monitors the state that the energy controller is connected in series with the rectifying equipment, the corresponding primary side current adopts 3 grades which are respectively 0, 50% I1 and 100% I1, wherein I1 is the current of the primary side of the current transformer.
Compared with the prior art, the invention has the advantages that: the simple control circuit formed by the mutual inductor and the switch can control the on-off of the circuit through the switch, so that multiple states are integrated together, the simulation of the loop state of the energy controller is realized, the inspection of the state function of the production loop of the energy controller in batches can be effectively realized, and the scheme has the advantages of low cost, convenience in operation and simplicity in manufacture.
Drawings
FIG. 1 is a schematic circuit diagram of a power controller loop state monitoring and testing system according to the present application.
FIG. 2 is a table of reference conditions corresponding to the monitoring of the status of the energy controller according to the present application.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
As shown in fig. 1, the energy controller loop state monitoring and testing system of the present invention includes a transformation ratio module 1 for reducing input current and isolating interference, a switch control module 2 connected to an output end of the transformation ratio module 1, and a switching module 4 disposed at a rear end of the switch control module 2 and used for connecting an energy controller 3 to be monitored.
In this embodiment, the switch control module 2 has three groups, which are a first switch control module 21 for monitoring the short-circuit state of the energy controller 3, a second switch control module 22 for monitoring the normal state of the energy controller 3, and a third switch control module 23 for monitoring the state of the energy controller 3 after being connected in series with the rectifying device.
Since the test system is connected to a three-phase electric energy meter platform, the first switch control module 21, the second switch control module 22 and the third switch control module 23 respectively include a first switch, a second switch and a third switch correspondingly connected to a three-phase line.
As shown in fig. 1, the first switch control module 21 includes a first switch S1, a second switch S2, and a third switch S3, the second switch control module 22 includes a fourth switch S4, a fifth switch S5, and a sixth switch S6, and the third switch control module 23 includes a seventh switch S7, an eighth switch S8, and a ninth switch S9. Hereinafter, for convenience of description, only each of the switch symbols S1-S9 will be explained.
Of course, it should be mentioned that the switch of this application also can be through the relay replacement, and through increasing the control panel this moment, the state simulation is realized to the state of opening and shutting of control relay, like this, can carry out the remote control by external equipment and set up the return circuit state, and a key is solved, convenient and fast. In the present application, the transformation ratio module 1 is a current transformer, and the model number adopted is LMZJ1(Lmz1) -0.5, and the adaptor module 4 is a terminal box.
As shown in fig. 2, the circuit current of the test system in the normal state of the monitoring power controller adopts 3 steps, which are 0A, 1A and 5A respectively. Referring to fig. 1, the rectifying device is a diode, when the system is used to monitor the state of the energy controller connected in series with the rectifying device, the primary side current of the current transformer adopts 3 steps, which are 0, 50% I1, and 100% I1, respectively, and obviously, I1 is the current of the primary side of the current transformer. The specific working principle of the test system is as follows.
1) Simulating normal states of an energy controller
Firstly, a detected energy controller is installed at the rear end of a terminal box and is electrified to normally operate, S4-S6 on the system is closed (in a closed state), S1-S3 and S7-S9 are opened (in an open state), then the input current of the input end of the system is tested, a current value is set for a current transformer according to the state shown in figure 2, secondary end current is generated, the monitored state is the normal state of the energy controller, and whether the detected energy controller is monitored normally or not is observed.
2) Simulating open circuit conditions of an energy controller
Firstly, the detected energy controller is arranged at the rear end of the terminal box, the power is on to normally operate, all 9 switches from S1 to S9 on the system are opened (on state), the three-phase platform body does not need to inject current, the state of a secondary circuit is an open state at the moment, and whether the detected energy controller is normal or not is observed. Of course, the loop open-circuit state simulation of A, B, C three-phase split can also be realized by independently controlling the closed loops of the S4, S5 and S6 switches respectively.
3) Simulating short circuit conditions of an energy controller
Firstly, a detected energy controller is installed at the rear end of a terminal button box and is electrified to normally operate, S1-S3 on a system are closed (in a closed state), S4-S6 and S7-S9 on the system are opened (in an open state), so that two ends of an A phase, a B phase and a C phase of a secondary circuit and two ends of an incoming and outgoing current line are connected through a switch, current does not need to be injected into a three-phase platform body, the secondary circuit is in a short-circuit state, and the detected energy controller is observed to monitor whether the energy controller is normal or not. Of course, the simulation of the short circuit state of the loop of A, B, C three-phase split can also be realized by separately controlling the closed loops of the S1, S2 and S3 switches respectively.
4) Tandem rectifier device state simulation
Firstly, a detected energy controller is installed at the rear end of a terminal box and is electrified to normally operate, a tool is provided with S1-S3, S4-S6 are opened (an open state), S7-S9 are closed (a closed state), then the input current of the input end of a test system is set with a current value for a current transformer according to the state shown in figure 2 to generate secondary end current, at the moment, a secondary loop is in a state of being connected with a rectifying device in series, and whether the monitoring of the detected energy controller is normal or not is observed. Of course, the loop series rectifier state of A, B, C three-phase split can be realized by independently controlling the closed loops of the switches S7, S8 and S9 at the same time.
This application is by the simple and easy control circuit that mutual-inductor and switch constitute, can through the switch can control circuit's turn-on turn-off to together multiple state integration, realize the simulation to energy controller loop state, can effectively realize the inspection to the production loop state function of energy controller in batches, this scheme is with low costs, convenient operation, simple manufacture.
While embodiments of the invention have been shown and described, it will be understood by those skilled in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A monitoring and testing system for loop state of an energy controller is characterized in that: the monitoring and testing system comprises a monitoring and testing system,
a transformation ratio module for reducing input current and isolating interference;
the switch control module is connected to the output end of the transformation ratio module;
and the switching module is arranged at the rear end of the switch control module and is used for connecting the energy controller to be monitored.
2. The energy controller loop condition monitoring test system of claim 1, wherein:
the switch control module has three groups.
3. The energy controller loop condition monitoring test system of claim 2, wherein:
and the three groups of switch control modules are respectively a first switch control module for monitoring the short-circuit state of the energy controller, a second switch control module for monitoring the normal state of the energy controller and a third switch control module for monitoring the state of the energy controller after the energy controller is connected with the rectifying equipment in series.
4. The energy controller loop condition monitoring test system of claim 3, wherein:
the first switch control module, the second switch control module and the third switch control module respectively comprise a first switch, a second switch and a third switch which are correspondingly connected with the three-phase line.
5. The energy controller loop condition monitoring test system of claim 3, wherein:
the transformation ratio module is a current transformer.
6. The energy controller loop condition monitoring test system of claim 5, wherein:
the model of the current transformer is LMZJ1(Lmz1) -0.5.
7. The energy controller loop condition monitoring test system of claim 3, wherein:
the switching module is a terminal box.
8. The energy controller loop condition monitoring test system of claim 3, wherein:
the circuit current of the test system in the normal state of the monitoring energy controller adopts 3 grades which are respectively 0A, 1A and 5A.
9. The energy controller loop condition monitoring test system of claim 3, wherein:
the rectifying device is a diode.
10. The energy controller loop condition monitoring test system of claim 3, wherein:
when the current transformer monitors the state that the energy controller is connected with the rectifying equipment in series, the corresponding primary side current adopts 3 grades which are respectively 0, 50% I1 and 100% I1, wherein I1 is the current of the primary side of the current transformer.
CN202110436292.3A 2021-04-22 2021-04-22 Energy controller loop state monitoring and testing system Pending CN113219367A (en)

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CN202110436292.3A CN113219367A (en) 2021-04-22 2021-04-22 Energy controller loop state monitoring and testing system

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Application Number Priority Date Filing Date Title
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Publications (1)

Publication Number Publication Date
CN113219367A true CN113219367A (en) 2021-08-06

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114089252A (en) * 2021-10-25 2022-02-25 青岛鼎信通讯股份有限公司 Loop inspection calibrating device for energy controller

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101211497A (en) * 2006-12-27 2008-07-02 财团法人资讯工业策进会 Control circuit for detecting loop state
US20160061898A1 (en) * 2014-08-29 2016-03-03 Freescale Semiconductor, Inc. Wetting current diagnostics
CN106199306A (en) * 2016-07-01 2016-12-07 中国电力科学研究院 A kind of system and method for loop state monitoring device is tested
CN208921815U (en) * 2018-09-29 2019-05-31 广东电网有限责任公司 Current transformer secondary circuit short-circuit current monitoring device
CN217305480U (en) * 2021-04-22 2022-08-26 宁波三星医疗电气股份有限公司 Energy controller loop state monitoring and testing system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101211497A (en) * 2006-12-27 2008-07-02 财团法人资讯工业策进会 Control circuit for detecting loop state
US20160061898A1 (en) * 2014-08-29 2016-03-03 Freescale Semiconductor, Inc. Wetting current diagnostics
CN106199306A (en) * 2016-07-01 2016-12-07 中国电力科学研究院 A kind of system and method for loop state monitoring device is tested
CN208921815U (en) * 2018-09-29 2019-05-31 广东电网有限责任公司 Current transformer secondary circuit short-circuit current monitoring device
CN217305480U (en) * 2021-04-22 2022-08-26 宁波三星医疗电气股份有限公司 Energy controller loop state monitoring and testing system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114089252A (en) * 2021-10-25 2022-02-25 青岛鼎信通讯股份有限公司 Loop inspection calibrating device for energy controller

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