CN114268384B - Test equipment and test method - Google Patents
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- CN114268384B CN114268384B CN202111592331.5A CN202111592331A CN114268384B CN 114268384 B CN114268384 B CN 114268384B CN 202111592331 A CN202111592331 A CN 202111592331A CN 114268384 B CN114268384 B CN 114268384B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
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Abstract
The invention provides a test device and a test method, wherein the test device comprises: a test management module and an interface device; the interface device comprises a reference signal transmitter, a power meter and a reference ring; the test management module is respectively connected with the reference signal transmitter and the power meter, the test management module is connected with the transponder information receiving module, and the test management module and the reference ring are respectively connected with the transponder information receiving module; the reference signal transmitter and the power meter are respectively connected with the reference ring; the above-mentioned test equipment does not need manual assistance, and can directly and accurately perform functional test on the transponder information receiving module, namely the BTM.
Description
Technical Field
The invention relates to the technical field of testing, in particular to testing equipment and a testing method.
Background
The transponder transmission system is one of core systems of a train and is a safety point type information transmission system, wherein the transponder transmission system consists of ground equipment and vehicle-mounted equipment, and the ground equipment comprises an active transponder, a passive transponder and a ground electronic unit LEU; the in-vehicle device comprises an antenna unit and a transponder transmission module BTM. The passive transponder may transmit fixed uplink data to the in-vehicle device according to application requirements, or the active transponder may transmit variable uplink data to the in-vehicle device according to application requirements. When the antenna unit passes through or stops above the corresponding transponder, an information transmission channel between the transponder and the vehicle-mounted device is formed, uplink data between the transponder and the antenna unit are processed through the BTM, and the antenna unit is communicated with the vehicle-mounted host unit device, so that normal operation of a train is guaranteed.
Because BTM related failures account for a significant portion of the common failures of on-board equipment, testing the BTM's functional performance is required before use in order to ensure proper operation of the train.
Currently, the quality of BTMs is often detected by two test environments of the vehicle-mounted system, one is to simulate the data transmission among the surface electronics unit LEU, the transponder and the BTM in an analog manner, and observe the communication condition of the BTM in a manual manner. The other is to manually refresh the uplink data sent by the transponder and manually observe the communication situation of the BTM. Because the test is performed manually, the time consumed is long, and the BTM cannot be accurately tested for functional performance.
Disclosure of Invention
In view of the above, the embodiments of the present invention provide a testing apparatus and a testing method, so as to solve the problems in the prior art that the time consumption is long and the BTM cannot be accurately tested for functional performance.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:
a first aspect of an embodiment of the present invention shows a test apparatus, the test apparatus comprising: a test management module and an interface device;
The interface device comprises a reference signal transmitter, a power meter and a reference ring;
the test management module is respectively connected with the reference signal transmitter and the power meter, the test management module is connected with the transponder information receiving module, and the test management module and the reference ring are respectively connected with the transponder information receiving module;
The reference signal transmitter and the power meter are respectively connected with the reference ring;
The test management module is used for receiving a test instruction input by a user, and when the test instruction is determined to be an A1 interface parameter test instruction, the relative position of the transponder information receiving module and the reference ring is adjusted according to the A1 interface parameter test instruction; the reference signal generator is controlled to send a determined target A1 signal to the transponder information receiving module through the reference ring, wherein the target A1 signal is an initial A1 signal meeting preset requirements, and the target A1 signal carries transponder messages; after the transponder information receiving module receives the target A1 signal, reading data to be uploaded to the vehicle-mounted device, which is generated by the transponder information receiving module based on the target A1 signal, analyzing the data, determining whether the analyzed data meets a first preset standard, generating a corresponding test result and displaying the test result.
Optionally, the method further comprises: a spectrometer;
the spectrometer is connected with the reference ring and the test management module;
The test management module is further configured to, when determining that the test instruction is an A4 interface parameter test instruction, adjust a relative position of the transponder information receiving module and the reference ring according to the A4 interface parameter test instruction, and control the spectrometer to receive an A4 signal sent by the reference ring, so that the spectrometer tests the A4 signal to obtain a corresponding test result; and receiving and displaying the test result fed back by the spectrometer.
Optionally, the interface device further includes: a radio frequency switch;
one end of the radio frequency switch is respectively connected with the reference signal transmitter and the frequency spectrograph, and the other end of the radio frequency switch is connected with the reference ring;
The radio frequency switch is used for opening the channels of the reference signal generator and the reference ring when the test instruction is determined to be an A1 interface parameter test instruction; and when the test instruction is determined to be an A4 interface parameter test instruction, opening channels of the spectrometer and the reference ring.
Optionally, the method further comprises: program controlled DC power supply;
one end of the program-controlled direct current power supply is connected with the test management module, and the other end of the program-controlled direct current power supply is connected with the transponder information receiving module;
The test management module is further configured to control the programmable dc power supply to output a dc voltage meeting a preset BTM requirement to the BTM according to the preset BTM requirement when the test instruction is determined to be a BTM power supply interface parameter test instruction; and detecting whether the A4 signal sent by the transponder information receiving module and the received A1 signal meet a third standard or not based on the direct current voltage.
Optionally, the test management module is further configured to: when the test instruction is determined to be BTM message receiving response characteristic test, controlling the reference signal generator to send a message signal and a message signal sequence of a preset type to the transponder information receiving module through the reference ring; and checking whether the message signal received by the transponder information receiving module is consistent with the corresponding preset signal or not, and whether the message signal is consistent with the preset time or not.
A second aspect of an embodiment of the present invention shows a test method, the method including:
receiving a test instruction input by a user;
When the test instruction is determined to be an A1 interface parameter test instruction, adjusting the relative position of the transponder information receiving module and the reference ring according to the A1 interface parameter test instruction;
the reference signal generator is controlled to send a determined target A1 signal to the transponder information receiving module through the reference ring, wherein the target A1 signal is an initial A1 signal meeting preset requirements, and the target A1 signal carries transponder messages;
After the transponder information receiving module receives the target A1 signal, reading data to be uploaded to the vehicle-mounted device, which is generated by the transponder information receiving module based on the target A1 signal;
analyzing the data, determining whether the analyzed data accords with a first preset standard, generating a corresponding test result and displaying the test result.
Optionally, the method further comprises:
When the test instruction is determined to be an A4 interface parameter test instruction, adjusting the relative position of the transponder information receiving module and the reference ring according to the A4 interface parameter test instruction;
the spectrometer is controlled to receive the A4 signal sent by the reference ring, so that the spectrometer can test the A4 signal to obtain a corresponding test result;
and receiving and displaying the test result fed back by the spectrometer.
Optionally, the method further comprises:
when the test instruction is determined to be a BTM power interface parameter test instruction, controlling the program-controlled direct-current power supply to output direct-current voltage meeting preset BTM requirements to the BTM according to the BTM requirements;
And detecting whether the A4 signal sent by the transponder information receiving module and the received A1 signal meet a third standard or not based on the direct current voltage.
Optionally, the method further comprises:
When the test instruction is determined to be BTM message receiving response characteristic test, controlling the reference signal generator to send a message signal and a message signal sequence of a preset type to the transponder information receiving module through the reference ring;
And checking whether the message signal received by the transponder information receiving module is consistent with the corresponding preset signal or not, and whether the message signal is consistent with the preset time or not.
Based on the above-mentioned test device and test method provided by the embodiment of the present invention, the test device includes: a test management module and an interface device; the interface device comprises a reference signal transmitter, a power meter and a reference ring; the test management module is respectively connected with the reference signal transmitter and the power meter, the test management module is connected with the transponder information receiving module, and the test management module and the reference ring are respectively connected with the transponder information receiving module; the reference signal transmitter and the power meter are respectively connected with the reference ring; the test management module is used for receiving a test instruction input by a user, and when the test instruction is determined to be an A1 interface parameter test instruction, the relative position of the transponder information receiving module and the reference ring is adjusted according to the A1 interface parameter test instruction; the reference signal generator is controlled to send a determined target A1 signal to the transponder information receiving module through the reference ring, wherein the target A1 signal is an initial A1 signal meeting preset requirements, and the target A1 signal carries transponder messages; after the transponder information receiving module receives the target A1 signal, reading data to be uploaded to the vehicle-mounted device, which is generated by the transponder information receiving module based on the target A1 signal, analyzing the data, determining whether the analyzed data meets a first preset standard, generating a corresponding test result and displaying the test result. The above-mentioned test equipment does not need manual assistance, and can directly and accurately perform functional test on the transponder information receiving module, namely the BTM.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of an application architecture of a test device and a transponder information receiving module according to an embodiment of the present invention;
FIG. 2 is a schematic diagram showing a specific structure of a test apparatus according to an embodiment of the present invention;
FIG. 3 is a flow chart of a testing method according to an embodiment of the present invention;
FIG. 4 is a flow chart of another testing method according to an embodiment of the present invention;
FIG. 5 is a flow chart of yet another testing method according to an embodiment of the present invention;
Fig. 6 is a flow chart of another test method according to an embodiment of the invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the present disclosure, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Currently in the industry, there are production test benches for production testing and test benches for interconnection testing, but these test benches do not simultaneously meet the functional performance testing requirements of the on-site BTMs. The field test needs mainly cover the test of single BTM, the test of single CAU, the test of BTM-CAU combined A4 interface parameter, the test of BTM-CAU combined A1 interface parameter, the test of BTM power interface parameter and the test of BTM message receiving response characteristic.
Compared with a production test table, the scheme increases the interconnection test items; compared with the interconnection test board, the scheme selects the function corresponding to the interconnection test item, thereby reducing the cost of the test board and simultaneously increasing the BTM power interface parameter test. Based on this, the embodiment of the invention shows a new test device, so as to cover the test of a single BTM, the test of a single CAU, the test of a BTM-CAU combined A4 interface parameter, the test of a BTM-CAU combined A1 interface parameter, the test of a BTM power interface parameter and the test of a BTM message receiving response characteristic, thereby realizing the accurate test of the functional performance of the BTM.
For ease of understanding, the terms appearing in the embodiments of the invention are explained below:
BTM: the transponder transmission module is used for the vehicle-mounted module of ground-workshop data transmission, processes uplink signals and messages between the transponder and the vehicle-mounted host unit equipment and communicates with the vehicle-mounted host unit equipment.
CAU: compact antenna unit, transponder on-vehicle transmission unit.
The transponder information receiving module is formed by combining a BTM and a CAU.
And B interface: the BTM interfaces with the onboard host.
A1 signal: the transponder transmits an uplink signal to the antenna element.
A4 signal: the antenna unit transmits signals of radio frequency energy to the ground transponder.
V interface: test interface of BTM.
Referring to fig. 1, a schematic application architecture of a test device and a transponder information receiving module according to an embodiment of the present invention is shown.
The transponder information receiving module 20 is an information transmission module connected with the vehicle-mounted device.
The test device 10 is connected to a transponder information receiving module 20.
The test apparatus 10 is referred to as a BTM test stand.
It should be further noted that the test apparatus further includes a cabinet, a rack, a test table, a control table, and other facilities.
The transponder information receiving module 20 is formed by a combination of a BTM21 and a CAU 22.
In a specific implementation, the BTM21 is connected to the CAU22 via a D-cable.
Optionally, an antenna moving device can be added on the basis of the test equipment 10, so that the position of the test equipment can be changed by horizontal and vertical movement, repeated manual movement is reduced, and the operability and the test efficiency of the test bench are improved.
In the embodiment of the invention, the test equipment 10 is mainly used in a laboratory of a railway office electric service detection institute to detect main application function indexes of BTM-antenna combined equipment of different models of factories, and meets the field maintenance requirement.
Based on the application architecture shown above, in the embodiment of the present invention, a specific structure of the test apparatus 10 is also correspondingly disclosed, as shown in fig. 2.
The test device 10 comprises the test management module 101 and an interface device 102.
The interface device 102 includes a reference signal transmitter 1021, a power meter 1022, and a reference loop 1023.
The test management module 101 is connected to a reference signal transmitter 1021 and a power meter 1022, respectively, the test management module 101 is connected to a BTM21 in the transponder information receiving module 20, and the test management module 101 and the reference ring 1023 are connected to a CAU22 in the transponder information receiving module 20, respectively.
In a specific implementation, the test management module 101 is connected with the BTM21 in the transponder information receiving module 20 through a 485/bus CAN/MVB communication line/V interface; the reference loop 1023 is connected to the CAU22 in the transponder information receiving module 20 by means of magnetic field mutual inductance.
Also in the reference loop 1023 is a current sensing balun 1024.
The reference signal transmitter 1021 and the power meter 1022 are respectively connected to the reference loop 1023.
In a specific implementation, the reference signal transmitter 1021 and the power meter 1022 are connected to the reference loop 1023 through a current sensing balun 1024.
The test management module 101 is configured to receive a test instruction input by a user through a control table of the test device 10, and adjust a relative position of the transponder information receiving module 20 and the reference ring 1023 according to the A1 interface parameter test instruction when the test instruction is determined to be the A1 interface parameter test instruction; control the reference signal generator 1021 to transmit the determined target A1 signal to the CAU22 in the transponder information receiving module 20 through the reference loop 1023; after the transponder information receiving module 20 receives the target A1 signal, the test management module 101 reads data to be uploaded to the vehicle-mounted device, which is generated by the BTM21 in the transponder information receiving module 20 based on the target A1 signal, analyzes the data, determines whether the receiving characteristic of the BTM21 meets a first preset standard, and generates and displays a corresponding test result.
It should be noted that, the target A1 signal refers to an initial A1 signal that meets a preset requirement, and the A1 signal carries a transponder message.
In a specific implementation, the test management module 101 receives a test instruction input by a user, and adjusts the positioning mechanism, that is, the CAU22 and the reference ring 1023, in a positioning tool manner according to the A1 interface parameter test instruction when the test instruction is determined to be the A1 interface parameter test instruction, so that the CAU22 and the reference ring 1023 are in different relative positions. For each relative position, the signal transmitter 1021 obtains an initial A1 signal of the transponder message through the test management module 101, and performs power amplification through the power meter 1022, so that the amplified initial A1 signal meets a preset requirement, namely, a target A1 signal is determined. And outputs the target A1 signal to the current sensing balun 1024 to emit the target A1 signal meeting the preset requirements through the reference ring 1023.
Alternatively, the reference loop 1023, upon receiving the target A1 signal, corresponds to the input current to generate an A1 signal magnetic field of corresponding magnetic flux for CAU22 reception.
After the CAU22 and the BTM21 of the transponder information receiving module 20 receive the A1 signal, the test management module 101 reads data to be uploaded to the vehicle-mounted device, which is generated by the BTM21 in the transponder information receiving module 20 based on the target A1 signal, analyzes the data, judges whether the analyzed data meets a first preset standard, and determines that the A1 interface parameter test is passed when the analyzed data meets the first preset standard; when the analyzed data is determined to be not in accordance with a first preset standard, determining that the A1 interface parameter test is not passed; thereby determining the receive characteristics of the BTM21, i.e., whether the A1 interface parameter test was successful.
The test management module 101 displays the test result of whether the A1 interface parameter test is successful.
It should be noted that, the preset requirement and the first preset standard are set according to the actual situation and the BTM standard of the vehicle-mounted device.
The test management module 101 refers to test management software.
Optionally, the relative position of the CAU22 and the reference ring 1023 is adjusted by positioning a tool.
With continued reference to fig. 2, the test apparatus 10 is further provided with a spectrometer 103.
A spectrometer 103 is connected to the reference ring 1023 and the test management module 101.
The test management module 101 is further configured to, when determining that the test instruction is an A4 interface parameter test instruction, adjust a relative position of the transponder information receiving module 20 and the reference ring 1023 according to the A4 interface parameter test instruction, and control the spectrometer 103 to receive an A4 signal sent by the reference ring 1023, so that the spectrometer 103 tests the A4 signal to obtain a corresponding test result; and receives and displays the test result fed back by the spectrometer 103.
In a specific implementation, when the test command is determined to be an A4 interface parameter test command, the test management module 101 adjusts the positioning mechanism, i.e. the CAU22 and the reference ring 1023, according to the A4 interface parameter test command, so that the CAU22 and the reference ring 1023 are located at different relative positions. For each relative position, that is, for each relative position, the spectrometer 103 receives the A4 signal transmitted from the reference ring 1023 through the current detection balun 1024, analyzes the A4 signal to determine whether the A4 signal meets a second preset standard, and determines that the A4 interface parameter test passes when determining that the A4 signal meets the second preset standard; determining that the A4 interface parameter test does not pass when determining that the A4 signal does not meet the test result of the second preset standard; and transmits the test result to the test management module 101.
After receiving the test results fed back by the spectrometer 103, the test management module 101 displays the test results corresponding to the relative positions of each CAU22 and the reference ring 1023, so as to check the characteristics of the A4 signal.
With continued reference to fig. 2, the interface device 102 further includes: a radio frequency switch 1025.
One end of the radio frequency switch 1025 is connected to the reference signal transmitter 1021 and the spectrometer 103, and the other end of the radio frequency switch 1025 is connected to the reference loop 1023.
The radio frequency switch 1025 is configured to open a channel between the reference signal generator 1021 and the reference loop 1023 when the test command is determined to be an A1 interface parameter test command; and opening 1023 channels of the spectrometer 103 and the reference ring when the test instruction is determined to be an A4 interface parameter test instruction.
It should be noted that the rf switch 1025 is a reversing valve capable of changing the connection relationship.
The second preset standard is set according to the actual situation and the BTM standard of the vehicle-mounted device.
With continued reference to fig. 2, the interface device 102 further includes: a programmable dc power supply 1026.
The programmable dc power supply 1026 has one end connected to the test management module 101 and the other end connected to the BTM21 in the transponder information receiving module 20.
The test management module 101 is further configured to, when determining that the test instruction is a BTM power interface parameter test instruction, control the programmable dc power supply 1026 to output a dc voltage meeting the BTM requirement to the BTM21 of the transponder information receiving module 20 according to the BTM requirement; detecting an A4 signal transmitted by the BTM21 based on the dc voltage, and whether the received A1 signal meets a third criterion.
In a specific implementation, when the test command is determined to be a BTM power interface parameter test command, the test management module 101 controls the programmable dc power supply to output dc voltages with different limits according to a preset BTM requirement based on the BTM power interface parameter test command, that is, detects the input characteristics of the BTM power supply by using the dc voltages with different limits; for each DC voltage, detecting an A4 signal transmitted by the BTM21 based on the DC voltage, and whether the received A1 signal meets a third criterion. Determining that the BTM power interface parameter test passes when it is determined that the A4 signal transmitted by the BTM21 and the received A1 signal both meet a third criterion; when it is determined that at least one of the A4 signal sent by the BTM21 and the received A1 signal does not meet the third criterion, it is determined that the BTM power interface parameter test fails, thereby generating a corresponding test result, and the test result is displayed.
After receiving the test results, the test management module 101 displays the test results corresponding to each dc voltage to detect the input characteristics of the BTM power supply.
The third standard is set according to the actual situation and the BTM standard of the in-vehicle apparatus.
Optionally, based on the above-illustrated test device, the test management module 101 is further configured to control, when determining that the test instruction is a BTM message reception response characteristic test, the reference signal generator 1021 to send a preset type of message signal and a message signal sequence to the CAU22 in the transponder information receiving module 20 through the reference ring 1023; to check whether the message signal received by the transponder information receiving module is consistent with the corresponding preset signal and whether the message signal is consistent with the preset time, that is, to check the correctness of the received message signal and the response time of the transponder information receiving module 20.
In a specific implementation, when the test management module 101 determines that the test instruction is a BTM message receiving response characteristic test, it controls the reference signal generator to send different preset types of message signals and message signal sequences to the CAU22 in the transponder information receiving module 20; for each type of message signal, the test management module 101 checks whether the message signal received by the transponder information receiving module 20 is consistent with the corresponding preset signal, i.e. correct, after the transponder information receiving module 20 receives the message signal, and checks whether the response time of the message signal received by the transponder information receiving module 20 is consistent with the preset time, and determines that the BTM message receiving response characteristic test passes when it is determined that the message signal received by the transponder information receiving module 20 is consistent with the corresponding preset signal and the response time of the message signal received by the transponder information receiving module 20 is consistent with the preset time; when the message signal received by the transponder information receiving module 20 is not consistent with the corresponding preset signal or the response time of the message signal received by the transponder information receiving module 20 is not consistent with the preset time, determining that the BTM message receiving response characteristic test is not passed; thereby obtaining the corresponding test result and displaying the test result.
After receiving the test result, the test management module 101 displays the test result corresponding to each message signal to detect the BTM message receiving response characteristic.
It should be noted that each message signal has a corresponding preset signal; the preset time is preset according to actual conditions.
In an embodiment of the present invention, a test device is shown that includes a test management module and an interface device; the interface device comprises a reference signal transmitter, a power meter and a reference ring; the test management module is respectively connected with the reference signal transmitter and the power meter, the test management module is connected with the transponder information receiving module, and the test management module and the reference ring are respectively connected with the transponder information receiving module; the reference signal transmitter and the power meter are respectively connected with the reference ring; the above-mentioned test equipment does not need manual assistance, and can directly and accurately perform functional test on the transponder information receiving module, namely the BTM.
Based on the test device shown in the embodiment of the present invention, the embodiment of the present invention correspondingly discloses a test method, as shown in fig. 3, which is a flow chart of the test method shown in the embodiment of the present invention, where the method includes:
step S301: and receiving a test instruction input by a user.
In the specific implementation process of step S301, a test instruction input by a user through a control table of the test device is obtained.
It should be noted that the test instruction includes an A1 interface parameter test instruction, an A4 interface parameter test instruction, a BTM power supply interface parameter test instruction, and a BTM message receiving response characteristic test.
Step S302: and adjusting the relative positions of the transponder information receiving module and the reference ring according to the A1 interface parameter test instruction.
In the specific implementation process of step S302, according to the A1 interface parameter test instruction, the CAU and the reference ring are adjusted in a positioning tool manner, so that the CAU and the reference ring are located at different relative positions.
Step S303: and controlling the reference signal generator to send the determined target A1 signal to the transponder information receiving module through the reference ring.
In step S303, the target A1 signal refers to an initial A1 signal that meets a preset requirement, where the target A1 signal carries a transponder message.
Step S304: and after the transponder information receiving module receives the target A1 signal, reading data which is generated by the transponder information receiving module based on the target A1 signal and is to be uploaded to the vehicle-mounted device.
Step S305: analyzing the data, determining whether the analyzed data accords with a first preset standard, and generating and displaying a test result corresponding to the analyzed data.
The specific contents of step S303 to step S305 are: for each relative position, firstly, the signal transmitter acquires an initial A1 signal of the transponder message through the test management module, and performs power amplification through the power meter, so that the amplified initial A1 signal meets the preset requirement, namely, a target A1 signal is determined. And outputting the target A1 signal to the current detection balun so as to send out the target A1 signal meeting the preset requirement through the reference ring direction.
Alternatively, the reference loop, upon receiving the target A1 signal, corresponds to the input current to generate an A1 signal magnetic field of corresponding magnetic flux for CAU reception.
And then, after the CAU and the BTM of the transponder information receiving module receive the A1 signal, reading data to be uploaded to the vehicle-mounted equipment, which is generated by the BTM in the transponder information receiving module based on the target A1 signal, analyzing the data, and judging whether the analyzed data accords with a first preset standard or not, thereby determining the receiving characteristic of the BTM, namely determining whether the A1 interface parameter test is successful or not. And finally, displaying a test result of whether the A1 interface parameter test is successful or not.
In the embodiment of the invention, a test instruction input by a user is received, and when the test instruction is determined to be an A1 interface parameter test instruction, the relative position of the transponder information receiving module and the reference ring is adjusted according to the A1 interface parameter test instruction; the method comprises the steps that a reference signal generator is controlled to send a determined target A1 signal to a transponder information receiving module through a reference ring, wherein the target A1 signal is an initial A1 signal meeting preset requirements, and the target A1 signal carries a transponder message; after the transponder information receiving module receives the target A1 signal, reading data to be uploaded to the vehicle-mounted device, which is generated by the transponder information receiving module based on the target A1 signal, analyzing the data, determining whether the analyzed data meets a first preset standard, generating a corresponding test result and displaying the test result. The above-mentioned test equipment does not need manual assistance, and can directly and accurately perform functional test on the transponder information receiving module, namely the BTM.
Based on the test method shown in the above embodiment of the present invention, referring to fig. 3 and fig. 4, after the step S301 is performed to receive the test instruction input by the user, the method further includes:
Step S401: and when the test instruction is determined to be an A4 interface parameter test instruction, adjusting the relative position of the transponder information receiving module and the reference ring according to the A4 interface parameter test instruction.
It should be noted that the implementation procedure of step S401 is the same as that of step S302 described above, and reference may be made to each other.
Step S402: and controlling the frequency spectrograph to receive the A4 signal sent by the reference ring, so that the frequency spectrograph tests the A4 signal to obtain a corresponding test result.
Step S403: and receiving and displaying the test result fed back by the spectrometer.
In the specific implementation process of step S402 to step S403, a test is performed for each relative position, that is, for each relative position, the spectrometer receives the A4 signal transmitted from the reference ring through the current detection balun, and analyzes the A4 signal to determine whether the A4 signal meets a second preset standard, thereby obtaining a corresponding test result, and the test result is sent to the test management module.
And after receiving the test result fed back by the frequency spectrum, the test management module displays the test result corresponding to the relative position of each CAU and the reference ring so as to check the characteristics of the A4 signal.
In the embodiment of the invention, a test instruction input by a user is received, when the test instruction is determined to be an A4 interface parameter test instruction, the relative position of a transponder information receiving module and a reference ring is adjusted according to the A4 interface parameter test instruction, and a spectrometer is controlled to receive an A4 signal sent by the reference ring so that the spectrometer can test the A4 signal to obtain a corresponding test result; and receiving and displaying the test result fed back by the spectrometer. The above-mentioned test equipment does not need manual assistance, and can directly and accurately perform functional test on the transponder information receiving module, namely the BTM.
Based on the test method shown in the above embodiment of the present invention, referring to fig. 3, after receiving the test instruction input by the user after executing step S301, the method further includes the following steps:
Step S501: and when the test instruction is determined to be a BTM power interface parameter test instruction, controlling the program-controlled direct-current power supply to output direct-current voltage meeting the preset BTM requirement to the transponder information receiving module according to the preset BTM requirement.
In the specific implementation step S501: and controlling the programmable direct current power supply to output direct current voltages with different limits meeting the preset BTM requirements based on different BTM power supply interface parameter test instructions, namely detecting the input characteristics of the BTM power supply by using the direct current voltages with different limits.
Step S502: and detecting whether the A4 signal sent by the transponder information receiving module and the received A1 signal meet a third standard or not based on the direct current voltage, and generating and displaying a test result corresponding to the third standard.
In the process of implementing step S502, for each direct voltage, detecting an A4 signal sent by the BTM based on the direct voltage, and whether the received A1 signal meets a third criterion. Thereby obtaining a corresponding test result and displaying the test result.
In the embodiment of the invention, a test instruction input by a user is received, and when the test instruction is determined to be a BTM power interface parameter test instruction, a programmable direct current power supply is controlled to output direct current voltage meeting the preset BTM requirement to a BTM according to the preset BTM requirement; and detecting whether the A4 signal transmitted by the transponder information receiving module and the received A1 signal meet a third standard or not based on the direct current voltage. Thereby obtaining a corresponding test result and displaying the test result. The above-mentioned test equipment does not need manual assistance, and can directly and accurately perform functional test on the transponder information receiving module, namely the BTM.
Based on the test method shown in the above embodiment of the present invention, referring to fig. 3, after receiving the test instruction input by the user after executing step S301, the method further includes the following steps:
Step S601: and when the test instruction is determined to be BTM message receiving response characteristic test, controlling the reference signal generator to send a message signal and a message signal sequence of a preset type to the transponder information receiving module through the reference ring.
In the specific implementation process of step S601, when it is determined that the test instruction is a BTM message receiving response characteristic test, the reference signal generator is controlled to send different preset types of message signals and message signal sequences to the transponder information receiving module.
Step S602: checking whether the message signal received by the transponder information receiving module is consistent with the corresponding preset signal or not, and whether the message signal is consistent with the preset time or not, and generating and displaying the corresponding test result.
In the specific implementation process of step S602, for each type of message signal, after the transponder information receiving module receives the message signal, the test management module checks whether the message signal received by the transponder information receiving module is consistent with the corresponding preset signal, i.e. correct, and checks whether the response time of the message signal received by the transponder information receiving module is consistent with the preset time, so as to obtain and display a corresponding test result.
In the embodiment of the invention, a test instruction input by a user is received, and when the test instruction is determined to be BTM message receiving response characteristic test, a reference signal generator is controlled to send a message signal and a message signal sequence of a preset type to a transponder information receiving module through a reference ring; and checking whether the message signal received by the transponder information receiving module is consistent with the corresponding preset signal or not, and whether the message signal accords with the preset time or not. Thereby obtaining a corresponding test result and displaying the test result. The above-mentioned test equipment does not need manual assistance, and can directly and accurately perform functional test on the transponder information receiving module, namely the BTM.
In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments. In particular, for a system or system embodiment, since it is substantially similar to a method embodiment, the description is relatively simple, with reference to the description of the method embodiment being made in part. The systems and system embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
Those of skill would further appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative elements and steps are described above generally in terms of functionality in order to clearly illustrate the interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A test apparatus, the test apparatus comprising: the test management module, the interface device and the program-controlled direct-current power supply;
The interface device comprises a reference signal transmitter, a power meter and a reference ring;
The test management module is respectively connected with the reference signal transmitter and the power meter, and the test management module and the reference ring are respectively connected with the transponder information receiving module; the transponder information receiving module is formed by combining a transponder transmission module BTM and a compact antenna unit CAU;
The reference signal transmitter and the power meter are respectively connected with the reference ring;
The test management module is used for receiving a test instruction input by a user, and when the test instruction is determined to be an A1 interface parameter test instruction, the transponder information receiving module and the reference ring are adjusted to be in different relative positions according to the A1 interface parameter test instruction; for each relative position, the reference signal transmitter is controlled to transmit a determined target A1 signal to the transponder information receiving module through the reference ring, wherein the target A1 signal is an initial A1 signal meeting preset requirements, and the target A1 signal carries a transponder message; after the transponder information receiving module receives the target A1 signal, reading data to be uploaded to the vehicle-mounted device, which is generated by the transponder information receiving module based on the target A1 signal, analyzing the data, determining whether the analyzed data accords with a first preset standard, generating a corresponding test result and displaying the test result; wherein the A1 signal is an uplink signal transmitted by the transponder to the antenna unit;
one end of the program-controlled direct current power supply is connected with the test management module, and the other end of the program-controlled direct current power supply is connected with the transponder information receiving module;
The test management module is further configured to control the programmable dc power supply to output a dc voltage meeting a preset BTM requirement to the BTM according to the preset BTM requirement when the test instruction is determined to be a BTM power supply interface parameter test instruction; and detecting whether the A1 signal received by the transponder information receiving module meets a third standard or not based on the direct current voltage.
2. The apparatus as recited in claim 1, further comprising: a spectrometer;
the spectrometer is connected with the reference ring and the test management module;
The test management module is further configured to, when determining that the test instruction is an A4 interface parameter test instruction, adjust, according to the A4 interface parameter test instruction, that the transponder information receiving module and the reference ring are located at different relative positions, and control the spectrometer to receive an A4 signal sent by the reference ring for each relative position, so that the spectrometer tests the A4 signal to obtain a corresponding test result; receiving and displaying a test result fed back by the spectrometer; the A4 signal is a signal of transmitting radio frequency energy to the ground transponder by the antenna unit.
3. The device of claim 2, wherein the interface device further comprises: a radio frequency switch;
one end of the radio frequency switch is respectively connected with the reference signal transmitter and the frequency spectrograph, and the other end of the radio frequency switch is connected with the reference ring;
The radio frequency switch is used for opening the channels of the reference signal transmitter and the reference ring when the test instruction is determined to be an A1 interface parameter test instruction; and when the test instruction is determined to be an A4 interface parameter test instruction, opening channels of the spectrometer and the reference ring.
4. The apparatus of claim 1, wherein the test management module is further configured to detect whether the A4 signal sent by the transponder information receiving module meets a third criterion based on the dc voltage when the test command is determined to be a BTM power interface parameter test command.
5. The apparatus of claim 1, wherein the test management module is further configured to: when the test instruction is determined to be BTM message receiving response characteristic test, controlling the reference signal transmitter to transmit a message signal and a message signal sequence of a preset type to the transponder information receiving module through the reference ring; and checking whether the message signal received by the transponder information receiving module is consistent with the corresponding preset signal or not, and whether the message signal is consistent with the preset time or not.
6. A method of testing, the method comprising:
receiving a test instruction input by a user;
when the test instruction is determined to be an A1 interface parameter test instruction, the transponder information receiving module and the reference ring are adjusted to be positioned at different relative positions according to the A1 interface parameter test instruction; the transponder information receiving module is formed by combining a transponder transmission module BTM and a compact antenna unit CAU;
For each relative position, controlling a reference signal transmitter to transmit a determined target A1 signal to the transponder information receiving module through the reference ring, wherein the target A1 signal is an initial A1 signal meeting preset requirements, and the target A1 signal carries a transponder message; wherein the A1 signal is an uplink signal transmitted by the transponder to the antenna unit;
After the transponder information receiving module receives the target A1 signal, reading data to be uploaded to the vehicle-mounted device, which is generated by the transponder information receiving module based on the target A1 signal;
Analyzing the data, determining whether the analyzed data accords with a first preset standard, generating a corresponding test result and displaying the test result;
when the test instruction is determined to be a BTM power interface parameter test instruction, controlling a programmable direct current power supply to output a direct current voltage meeting a preset BTM requirement to the BTM according to the BTM requirement;
And detecting whether the A1 signal received by the transponder information receiving module meets a third standard or not based on the direct current voltage.
7. The method as recited in claim 6, further comprising:
When the test instruction is determined to be an A4 interface parameter test instruction, adjusting the transponder information receiving module and the reference ring to be in different relative positions according to the A4 interface parameter test instruction;
for each relative position, controlling a spectrometer to receive an A4 signal sent by the reference ring so that the spectrometer tests the A4 signal to obtain a corresponding test result; wherein, the A4 signal is a signal of transmitting radio frequency energy to the ground transponder by the antenna unit;
and receiving and displaying the test result fed back by the spectrometer.
8. The method as recited in claim 6, further comprising:
And detecting whether an A4 signal sent by the transponder information receiving module meets a third standard or not based on the direct-current voltage when the test command is determined to be a BTM power interface parameter test command.
9. The method as recited in claim 6, further comprising:
When the test instruction is determined to be BTM message receiving response characteristic test, controlling the reference signal transmitter to transmit a message signal and a message signal sequence of a preset type to the transponder information receiving module through the reference ring;
And checking whether the message signal received by the transponder information receiving module is consistent with the corresponding preset signal or not, and whether the message signal is consistent with the preset time or not.
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| WO2005093644A1 (en) * | 2004-03-19 | 2005-10-06 | Nokia Corporation | Detector logic and radio identification device and method for enhancing terminal operations |
| KR101365807B1 (en) * | 2010-11-16 | 2014-02-21 | 한국전자통신연구원 | System and method for testing performance of transponder |
| CN203554461U (en) * | 2013-04-07 | 2014-04-16 | 株洲南车时代电气股份有限公司 | Transponder transmission module test system |
| CN106855593B (en) * | 2015-12-09 | 2020-01-31 | 北京铁路信号有限公司 | Transponder test board system and test method |
| CN105467245B (en) * | 2015-12-16 | 2018-11-20 | 北京思诺信安科技有限公司 | Portable transponder input-output characteristic tester and test method |
| CN107933614B (en) * | 2017-11-10 | 2020-06-26 | 北京全路通信信号研究设计院集团有限公司 | BTM (Business transaction management) equipment for multi-information fusion transmission of host and antenna unit and implementation method |
| CN108183753A (en) * | 2017-12-22 | 2018-06-19 | 合肥工大高科信息科技股份有限公司 | A kind of rail transportation vehicle-mounted BTM automatization test systems and method |
| CN109257123B (en) * | 2018-10-24 | 2024-06-11 | 中国铁道科学研究院集团有限公司通信信号研究所 | Portable tester for transponder transmission module |
| CN214626991U (en) * | 2020-11-22 | 2021-11-05 | 上海铁路通信有限公司 | Single-disc test tool for transponder information receiving unit power amplifier board |
| CN112671429A (en) * | 2021-01-12 | 2021-04-16 | 山西润泽丰科技股份有限公司 | Transponder transmission system |
| CN113567786B (en) * | 2021-07-28 | 2024-04-12 | 北京铁路信号有限公司 | BTM test system, BTM test method and electronic equipment |
| CN113645659B (en) * | 2021-09-13 | 2024-03-01 | 北京铁路信号有限公司 | Transponder transmission system |
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| CN112134630A (en) * | 2020-09-28 | 2020-12-25 | 北京交大思诺科技股份有限公司 | BTM production detecting system |
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