CN220709271U - Relay protection device's test system - Google Patents
Relay protection device's test system Download PDFInfo
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- CN220709271U CN220709271U CN202322101436.7U CN202322101436U CN220709271U CN 220709271 U CN220709271 U CN 220709271U CN 202322101436 U CN202322101436 U CN 202322101436U CN 220709271 U CN220709271 U CN 220709271U
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- 238000001514 detection method Methods 0.000 claims abstract description 74
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Abstract
The application discloses a testing system of overload protection device, testing system includes: the automatic test background system is connected with the whole relay protection device testing tool through a serial port, and the detection modules of the whole relay protection device testing tool correspond to the electric elements in the relay protection device to be tested one by one. The full-automatic test of the relay protection device complete machine is realized, the problems that a plurality of relay protection devices to be tested need repeated wiring, manual operation is complex and the like can be solved, the test cost is reduced, the reliability of the test result and the production test efficiency are improved, meanwhile, the degree of automation is high, the compatibility and the expansibility are high, and the safe operation of a power system is further guaranteed.
Description
Technical Field
The application relates to the technical field of relay protection of power systems, in particular to a test system of a relay protection device.
Background
The relay protection device is widely applied to the field of power protection, along with the complexity of a power system, the reliability requirement on the relay protection device is higher and higher, and the relay protection device is an indispensable link for testing the relay protection device in the production and maintenance processes of the relay protection device.
However, the whole machine production test of the relay protection device generally adopts a single test, and the output of a standard source needs manual operation; when a plurality of devices are tested, repeated wiring work and complicated standard source manual output operation are needed, and production testers are required to have certain expertise, so that the workload is high, the production test efficiency is low, and the labor and material cost is further increased.
Disclosure of Invention
The embodiment of the application provides a test system of a relay protection device, which aims to realize full-automatic test of the whole relay protection device, solve the problems of repeated wiring, complicated manual operation and the like of a plurality of relay protection devices to be tested, improve the reliability and the test efficiency of test results and reduce the technical effect of test cost.
The embodiment of the application adopts the following technical scheme:
there is provided a test system of a relay protection device, the test system comprising: the automatic test background system is connected with the relay protection device complete machine test fixture through a serial port, wherein the detection modules of the relay protection device complete machine test fixture are in one-to-one correspondence with the electric elements in the relay protection device to be tested.
Optionally, the test system further comprises:
and the three-phase alternating current standard source is connected with the automatic test background system through a serial port and is connected with the whole relay protection device test tool.
Optionally, the whole machine testing tool of the relay protection device further comprises: a serial port communication detection module, an opening amount detection module and an opening amount detection module,
the serial port communication detection module is electrically connected with the automatic test background system through a USB interface and is simultaneously connected with the RS485 communication module of the relay protection device to be tested through an RS485 interface in a communication way;
the opening amount detection module is electrically connected with the opening amount input module of the relay protection device to be detected;
the opening amount detection module is electrically connected with the opening amount output module of the relay protection device to be detected.
Optionally, the whole machine testing tool of the relay protection device further comprises: a current and voltage detection module, a direct current analog quantity detection module and a power supply detection module,
the input end of the current and voltage detection module is connected with three-phase current and voltage output by a three-phase alternating current standard source, and the output end of the current and voltage detection module is electrically connected with the current and voltage acquisition module of the relay protection device to be detected;
the direct current analog quantity detection module is electrically connected with the analog quantity output module of the relay protection device to be detected;
the input end of the power supply detection module is external alternating voltage or direct voltage, and the output end of the power supply detection module is electrically connected with the power supply input module of the relay protection device to be detected.
Optionally, the opening amount detection module of the relay protection device complete machine test tool includes:
and the toggle switches are in one-to-one correspondence with the input modules of the opening quantity of the relay protection device to be tested.
Optionally, the opening amount detection module of the relay protection device complete machine test tool includes:
and the indicator lamps are in one-to-one correspondence with the opening output modules of the relay protection device to be tested.
Optionally, the power supply detection module of the relay protection device complete machine testing tool simultaneously provides alternating current or direct current voltage with a preset voltage value for the relay protection device complete machine testing tool and the relay protection device to be tested.
Optionally, the direct current analog quantity detection module of the relay protection device complete machine test tool adopts a preset analog quantity acquisition module, and sends the digital signal after analog-to-digital conversion to an automatic test background system through the serial port communication detection module.
Optionally, the automated test background system is further configured to,
generating a current and voltage output value configuration file according to the current and voltage requirements of the relay protection device to be tested, and sending a current and voltage output control instruction to a three-phase alternating current standard source according to the current and voltage output value in the configuration file, so that the three-phase alternating current standard source responds to the current and voltage output control instruction, and outputting corresponding current and voltage quantities to a complete machine test tool of the relay protection device.
Optionally, the whole relay protection device testing tool is connected with the relay protection device to be tested through a slidable connecting plate.
The above-mentioned at least one technical scheme that this application embodiment adopted can reach following beneficial effect: the utility model provides a test system of relay protection device, this application is through with relay protection device complete machine test frock with the relay protection device that awaits measuring electric connection, with automatic test background system with relay protection device complete machine test frock passes through the mode of serial ports connection, has established the communication connection between relay protection device complete machine test frock, the relay protection device that awaits measuring, the automatic test background system to set up a set of complete machine automatic test system that is applicable to relay protection device; by means of the mode that the detection modules of the whole relay protection device testing tool correspond to the electric elements in the relay protection devices to be tested one by one, various testing requirements of a plurality of relay protection devices to be tested can be well met. Meanwhile, the test system can automatically read the measurement data and generate the test report, has higher degree of automation and stronger compatibility and expansibility, and is beneficial to improving the test quality. Therefore, the method and the device can solve the problems that a plurality of relay protection devices to be tested need repeated wiring, manual operation is complicated and the like, reduce the test cost, improve the reliability of test results and the production test efficiency, and further guarantee the safe operation of a power system.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
fig. 1 is a schematic structural diagram of a test system of a relay protection device according to an embodiment of the present application.
In the figure: 100. complete machine test fixture of relay protection device; 110. the serial port communication detection module; 120. an entry detection module; 130. a start-up amount detection module; 140. a current voltage detection module; 150. a direct current analog quantity detection module; 160. a power supply detection module; 200. the relay protection device to be tested; 210. an RS485 communication module; 220. an input module of the input quantity; 230. a switching output module; 240. a current and voltage acquisition module; 250. an analog quantity output module; 260. a power input module; 300. automatically testing a background system; 400. a three-phase ac standard source; 500. an external ac/dc power supply.
Detailed Description
For the purposes, technical solutions and advantages of the present application, the technical solutions of the present application will be clearly and completely described below with reference to specific embodiments of the present application and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
The following describes in detail the technical solutions provided by the embodiments of the present application with reference to the accompanying drawings.
In one embodiment of the present application, as shown in fig. 1, a test system of a relay protection device is provided, where the test system includes: the automatic test background system 300 is connected with the relay protection device whole machine test fixture 100 through a serial port, wherein the detection modules of the relay protection device whole machine test fixture 100 are in one-to-one correspondence with the electric elements in the relay protection device 200 to be tested.
Therefore, according to the embodiment of the application, communication connection among the whole machine testing tool of the relay protection device, the relay protection device to be tested and the automatic testing background system is established, a whole machine automatic testing system suitable for the relay protection device is also established, and various testing requirements of a plurality of relay protection devices to be tested can be better completed, and safe operation of a power system is guaranteed.
Further, the test system further comprises: and the three-phase alternating current standard source 400 is connected with the automatic test background system 300 through a serial port, and the three-phase alternating current standard source 400 is connected into the whole relay protection device test fixture 100.
As shown in fig. 1, the complete machine testing tool 100 of the relay protection device further includes: a serial port communication detection module 110, an opening amount detection module 120, an opening amount detection module 130,
the serial port communication detection module 110 is electrically connected with a computer of the automatic test background system 300 through a USB interface, and is simultaneously connected with the RS485 communication module communication 210 of the relay protection device 200 to be tested through an RS485 interface;
the opening detection module 120 is electrically connected with an opening input module 220 of the relay protection device 200 to be tested; the opening amount detecting module 130 is electrically connected to the opening amount output module 230 of the relay protection device 200 to be tested.
Further, the whole relay protection device testing tool 100 further includes: a current voltage detection module 140, a direct current analog quantity detection module 150, a power supply detection module 160,
the input end of the current and voltage detection module 140 is connected with the three-phase current and voltage output by the three-phase ac standard source 400, and the output end of the current and voltage detection module 140 is electrically connected with the current and voltage acquisition module 240 of the relay protection device 200 to be tested;
the direct current analog quantity detection module 150 is electrically connected with the analog quantity output module 250 of the relay protection device 200 to be tested;
the input end of the power detection module 160 is an external ac voltage or dc voltage, i.e. is connected to the external ac/dc power supply 500, and the output end of the power detection module 160 is electrically connected to the power input module 260 of the relay protection device 200 to be tested.
In addition, the RS485 interface of the serial port communication detection module 110 of the whole relay protection device testing tool 100 is connected with the RS485 interface of the relay protection device 200 to be tested and the RS485 interface of the direct current analog quantity detection module 150 of the whole relay protection device testing tool 100.
Further, in the embodiment of the present application, the opening amount detection module 120 of the complete machine testing fixture 100 for the relay protection device includes: and toggle switches in one-to-one correspondence with the input modules 220 of the relay protection device 200 to be tested. In this embodiment, the toggle switch is shifted to the on position, the input of the on amount corresponding to the relay protection device 200 to be tested is set, and the display state of the on amount corresponding to the automatic test background system 300 is changed from green to red.
Further, the opening amount detection module 130 of the relay protection device complete machine test fixture 100 includes: and the indicator lamps are in one-to-one correspondence with the opening output modules 230 of the relay protection device 200 to be tested. In this embodiment, after the automatic test background system 300 sends a certain opening amount closing instruction, the opening amount corresponding to the relay protection device 200 to be tested is closed, and the indication lamp corresponding to the opening amount detection module 130 of the relay protection device complete machine test tool 100 is turned on.
Further, the power supply detection module 160 of the whole relay protection device testing fixture 100 provides an ac or dc voltage with a preset voltage value, for example, an ac or dc voltage of 85-265V, to the whole relay protection device testing fixture 100 and the relay protection device 200 to be tested.
Further, the dc analog detection module 150 of the overall testing fixture 100 of the relay protection device adopts a preset analog acquisition module, and sends the digital signal after analog-to-digital conversion to the automatic test background system 300 through the serial communication detection module 110. Preferably, the direct current analog quantity detection module 150 adopts a TD-4027 analog quantity acquisition module to acquire 4-20 mA direct current analog quantity output data of the relay protection device 200 to be tested, and converts the 4-20 mA direct current analog quantity output data into a digital signal to be sent to the automatic test background system 300.
Further, in the embodiment of the present application, the automatic test background system 300 is connected with the relay protection device complete machine test fixture 100 through a serial port by adopting special background test software corresponding to the relay protection device 200 to be tested, and receives real-time status and measurement data of the relay protection device 200 to be tested, and sends instructions such as reading data, opening remote control, automatic correction, etc. to the relay protection device 200 to be tested.
In this embodiment, since the automatic test background system 300 is further connected to the three-phase ac standard source 400 through another serial port, the automatic test background system 300 is further configured to generate a current-voltage output value configuration file according to the current-voltage requirement of the relay protection device 200 to be tested, and send a current-voltage output control instruction to the three-phase ac standard source 400 according to the current-voltage output value in the configuration file, so that the three-phase ac standard source 400 responds to the current-voltage output control instruction, and outputs a corresponding current-voltage quantity to the relay protection device complete machine test fixture 100.
Further, the whole relay protection device testing tool 100 is connected with the relay protection device 200 to be tested through a slidable connecting plate. The connecting plate capable of sliding is provided with connecting equipment which is adaptive to the shape of the backboard of the relay protection device 200 to be tested, a connecting terminal on one side of the connecting equipment is connected with each module of the testing tool through wiring, and a thimble on the other side is connected with a back wiring terminal corresponding to the relay protection device 200 to be tested.
Therefore, the test system in the embodiment of the application not only can better complete various tests of the relay protection device to be tested, but also has higher degree of automation and stronger compatibility and expansibility, and is beneficial to improving the test quality. Meanwhile, the problems that a plurality of relay protection devices to be tested need repeated wiring, manual operation is complex and the like are solved, and the testing cost is reduced.
In an embodiment of the present application, the automatic test background system is further provided with an out-of-volume position-closing button, an ac automatic correction button, an analog automatic correction button, an ac automatic meter reading button, an analog automatic meter reading button, and the like. Therefore, the test system of the relay protection device can realize the test requirements of the relay protection device to be tested, such as on-off quantity test, automatic correction of current and voltage sampling, automatic correction of analog quantity output, automatic meter reading of current and voltage sampling, automatic meter reading of analog quantity output and the like.
When a test is started, the whole relay protection device testing tool 100 is required to be connected with a computer of the automatic test background system 300 through a USB serial port, the three-phase alternating current standard source 400 is connected with the computer of the automatic test background system 300 through another USB serial port, and power is supplied to the whole relay protection device testing tool 100 and the three-phase alternating current standard source 400, so that the automatic test background system 300 is operated; then, the to-be-tested relay protection device 200 is installed on a clamping position fixed by the whole relay protection device testing tool 100, and a slidable connecting plate on the whole relay protection device testing tool 100 slides to the back plate position of the to-be-tested relay protection device 200; and opening a power switch on the whole relay protection device testing tool 100 to supply power to the relay protection device 200 to be tested. The specific test procedure is as follows:
when the opening amount test is performed, the toggle switch on the complete machine test tool 100 of the relay protection device is turned on and then turned off according to a preset sequence to observe the opening amount display state corresponding to the automatic test background system 300, and at this time, the opening amount display state corresponding to the automatic test background system 300 is changed from green to red and then from red to green;
when the opening amount test is performed, clicking an opening amount position closing button corresponding to the automatic test background system 300 according to a preset sequence, clicking the opening amount position closing button to observe a corresponding opening amount indicator lamp on the whole relay protection device test fixture 100, wherein the indicator lamp corresponding to the whole relay protection device test fixture 100 is turned on from off to on;
when the automatic correction of current and voltage sampling is performed, clicking an alternating current automatic correction button of the automatic test background system 300, outputting a control instruction to the power generation current and voltage under the three-phase alternating current standard source 400 through the automatic test background system 300, and simultaneously outputting a power generation current and voltage sampling correction instruction to the relay protection device 200 to be tested so as to automatically complete the automatic correction of the current and voltage sampling of the relay protection device 200 to be tested;
when the automatic correction of the analog output is performed, clicking an analog automatic correction button of the automatic test background system 300, and issuing an analog output correction instruction to the to-be-tested relay protection device 200 through the automatic test background system 300 so as to automatically complete the automatic correction of the analog output of the to-be-tested relay protection device 200;
when the automatic meter reading is performed through current and voltage sampling, clicking an alternating current automatic meter reading button of the automatic test background system 300, outputting a control instruction to the power generation current and voltage under the three-phase alternating current standard source 400 through the automatic test background system 300, and simultaneously reading the measurement data of the current and voltage detection module 140 of the relay protection device complete machine test tool 100 to automatically complete the alternating current automatic meter reading of the relay protection device 200 to be tested;
when analog quantity output automatic meter reading is performed, clicking an analog quantity automatic meter reading button of the automatic test background system 300, issuing an analog quantity output control instruction to the to-be-tested relay protection device 200 through the automatic test background system 300, and simultaneously reading measurement data of the direct current analog quantity detection module 150 of the relay protection device complete machine test tool 100 to automatically complete analog quantity output automatic meter reading of the to-be-tested relay protection device 200;
when the test task is completed, the test result is automatically displayed by the automatic test background system 300, and each item of test data and test result (pass/fail) are automatically written into a test report and stored in a computer of the automatic test background system 300.
Meanwhile, after one of the relay protection devices 200 to be tested completes the test, the power switch of the whole relay protection device testing tool 100 needs to be turned off to turn off the power of the relay protection device 200 to be tested, and at this time, another relay protection device to be tested can be replaced and connected with power supply to complete the test of the other relay protection device to be tested.
In summary, the technical scheme of the application at least achieves the following technical effects: the utility model provides a test system of relay protection device, this application is through with relay protection device complete machine test frock with the relay protection device that awaits measuring electric connection, with automatic test background system with relay protection device complete machine test frock passes through the mode of serial ports connection, has established the communication connection between relay protection device complete machine test frock, the relay protection device that awaits measuring, the automatic test background system to set up a set of complete machine automatic test system that is applicable to relay protection device; by means of the mode that the detection modules of the whole relay protection device testing tool correspond to the electric elements in the relay protection devices to be tested one by one, various testing requirements of a plurality of relay protection devices to be tested can be well met. Meanwhile, the test system can automatically read the measurement data and generate the test report, has higher degree of automation and stronger compatibility and expansibility, and is beneficial to improving the test quality. Therefore, the method and the device can solve the problems that a plurality of relay protection devices to be tested need repeated wiring, manual operation is complicated and the like, reduce the test cost, improve the reliability of test results and the production test efficiency, and further guarantee the safe operation of a power system.
It should be noted that the above-mentioned embodiments illustrate rather than limit the application, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The application may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware.
The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and changes may be made to the present application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. which are within the spirit and principles of the present application are intended to be included within the scope of the claims of the present application.
Claims (10)
1. A test system for a relay protection device, wherein the test system comprises: the automatic test background system is connected with the relay protection device complete machine test fixture through a serial port, wherein the detection modules of the relay protection device complete machine test fixture are in one-to-one correspondence with the electric elements in the relay protection device to be tested.
2. The test system of claim 1, wherein the test system further comprises:
and the three-phase alternating current standard source is connected with the automatic test background system through a serial port and is connected with the whole relay protection device test tool.
3. The test system of claim 1, wherein the relay protection device complete machine test fixture further comprises: a serial port communication detection module, an opening amount detection module and an opening amount detection module,
the serial port communication detection module is electrically connected with the automatic test background system through a USB interface and is simultaneously connected with the RS485 communication module of the relay protection device to be tested through an RS485 interface in a communication way;
the opening amount detection module is electrically connected with the opening amount input module of the relay protection device to be detected;
the opening amount detection module is electrically connected with the opening amount output module of the relay protection device to be detected.
4. The test system of claim 3, wherein the relay protection device complete machine test fixture further comprises: a current and voltage detection module, a direct current analog quantity detection module and a power supply detection module,
the input end of the current and voltage detection module is connected with three-phase current and voltage output by a three-phase alternating current standard source, and the output end of the current and voltage detection module is electrically connected with the current and voltage acquisition module of the relay protection device to be detected;
the direct current analog quantity detection module is electrically connected with the analog quantity output module of the relay protection device to be detected;
the input end of the power supply detection module is external alternating voltage or direct voltage, and the output end of the power supply detection module is electrically connected with the power supply input module of the relay protection device to be detected.
5. The test system of claim 3, wherein the opening amount detection module of the relay protection device complete machine test fixture comprises:
and the toggle switches are in one-to-one correspondence with the input modules of the opening quantity of the relay protection device to be tested.
6. The test system of claim 3, wherein the opening amount detection module of the relay protection device complete machine test fixture comprises:
and the indicator lamps are in one-to-one correspondence with the opening output modules of the relay protection device to be tested.
7. The test system of claim 1, wherein the power detection module of the relay protection device complete machine test fixture provides an alternating current or direct current voltage with a preset voltage value to the relay protection device complete machine test fixture and the relay protection device to be tested at the same time.
8. The test system of claim 3, wherein the direct current analog quantity detection module of the relay protection device complete machine test fixture adopts a preset analog quantity acquisition module, and the digital signal after analog-to-digital conversion is sent to the automatic test background system through the serial port communication detection module.
9. The test system of claim 1, wherein the automated test background system is further configured to,
generating a current and voltage output value configuration file according to the current and voltage requirements of the relay protection device to be tested, and sending a current and voltage output control instruction to a three-phase alternating current standard source according to the current and voltage output value in the configuration file, so that the three-phase alternating current standard source responds to the current and voltage output control instruction, and outputting corresponding current and voltage quantities to a complete machine test tool of the relay protection device.
10. The test system of any one of claims 1 to 9, wherein the relay protection device complete machine test fixture is connected to the relay protection device under test through a slidable connection plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202322101436.7U CN220709271U (en) | 2023-08-04 | 2023-08-04 | Relay protection device's test system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202322101436.7U CN220709271U (en) | 2023-08-04 | 2023-08-04 | Relay protection device's test system |
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| CN220709271U true CN220709271U (en) | 2024-04-02 |
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