CN210181199U - Automatic closed-loop detection system for fault indicator - Google Patents
Automatic closed-loop detection system for fault indicator Download PDFInfo
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- CN210181199U CN210181199U CN201920660443.1U CN201920660443U CN210181199U CN 210181199 U CN210181199 U CN 210181199U CN 201920660443 U CN201920660443 U CN 201920660443U CN 210181199 U CN210181199 U CN 210181199U
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Abstract
The utility model discloses an automatic closed loop detection system of fault indicator, which comprises a processor, a communication unit, a fault recorder, a clock synchronization module, an intelligent booster, a current power amplifier module, an image acquisition module, a serial server, a code scanning module, an output acquisition module and a test tool; the method is characterized in that: the processor is connected with the communication unit; the communication unit is respectively connected with the fault recorder, the clock synchronization module, the intelligent booster, the current power amplification module, the image acquisition module, the serial server and the code scanning module; the output acquisition module is respectively connected with the intelligent booster and the current power amplifier module, and the test tool is connected with the intelligent booster and the current power amplifier module; the problem of prior art fault indicator performance detect exist detect incomplete, degree of automation is not high, artifical the participation too much, the testing result easily receives artifical influence and easily appears cheating the phenomenon etc is solved.
Description
Technical Field
The utility model belongs to the technical field of the fault detection, especially, relate to an automatic closed loop detection system of fault indicator.
Background
In order to accelerate fault location, shorten fault power failure time, help operation and maintenance personnel to find fault points quickly and accelerate the construction of an intelligent power distribution network, some fault indication devices are suitable for the power distribution network, and the most common fault indicator is a fault indicator.
At present, the domestic power distribution line popularizes the fault indicator for the on-line monitoring of the power distribution line in a large area, considerable financial and material resources are input, the types and the types of the fault indicators are various, and the fault accurate positioning capacity of the power distribution line is effectively improved. However, the accuracy of fault location is directly affected by the function of the fault indicator, and the practical level of automation of the power distribution network is affected, so that the performance of the fault indicator is very important to detect.
However, there are still problems with existing fault indicator performance detection, including: incomplete detection, low automation degree, excessive manual participation, easy manual influence on detection results, easy cheating and the like.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the utility model provides an automatic closed loop detection system of fault indicator to solve prior art fault indicator performance detection and have that to detect incomplete, degree of automation is not high, artifical the participation is too much, the testing result is easily influenced by the manual work and cheat phenomenon scheduling problem appears easily.
The technical scheme of the utility model is that:
an automatic closed-loop detection system for a fault indicator comprises a processor, a communication unit, a fault recorder, a clock synchronization module, an intelligent booster, a current power amplifier module, an image acquisition module, a serial server, a code scanning module, an output acquisition module and a test tool; the processor is connected with the communication unit; the communication unit is respectively connected with the fault recorder, the clock synchronization module, the intelligent booster, the current power amplification module, the image acquisition module, the serial server and the code scanning module; the output acquisition module is respectively connected with the intelligent booster and the current power amplifier module, and the test tool is connected with the intelligent booster and the current power amplifier module.
The output ends of the intelligent booster and the current power amplifier module are connected with the input end of the output acquisition module, and the output end of the output acquisition module is connected with the processor.
The clock synchronization module adopts a GPS synchronization clock.
The fault indicator is hung on the test tool.
The test tool comprises a memory, and the memory is connected with the code scanning module and the serial server.
The output acquisition module comprises a high-precision current transformer and a high-precision voltage transformer, the high-precision current transformer is connected with the current power amplifier module, and the high-precision voltage transformer is connected with the intelligent booster.
The utility model discloses beneficial effect:
compared with the prior art, the utility model provides an automatic closed loop detecting system of fault indicator controls the holistic test of system through the treater, has improved fault indicator's test degree of automation and efficiency of software testing, has guaranteed testing result authenticity and validity, has reduced tester's work load to can carry out real-time communication owing to be provided with each unit in this system of clock synchronization module, further guaranteed testing result's accuracy. The problem of prior art fault indicator performance detect exist detect incomplete, degree of automation is not high, artifical the participation too much, the testing result easily receives artifical influence and easily appears cheating the phenomenon etc is solved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The embodiment of the utility model discloses automatic closed loop detection system of fault indicator, include:
the system comprises a processor, a communication unit, a fault recorder, a clock synchronization module, an intelligent booster, a current power amplifier module, an image acquisition module, a serial server, a code scanning module, an output acquisition module and a test tool;
the processor is connected with the communication unit;
the communication unit is connected with the fault recorder, the clock synchronization module, the intelligent booster, the current power amplifier module, the image acquisition module, the serial server and the code scanning module;
the output acquisition module is connected with the intelligent booster and the current power amplifier module, and the test tool is connected with the intelligent booster and the current power amplifier module.
The processor consists of a DSP28335 control unit and a peripheral signal circuit; the communication unit adopts RS585, RS232 or Ethernet module; the code scanning module is a two-dimensional code bar code scanner; the image acquisition module is a binocular camera.
It should be noted that:
the code scanning module is connected with the processor, and information of manufacturers, types, ID numbers, production dates, version numbers and the like of the fault indicators is input into the processor by reading the two-dimensional codes of the fault indicators to be detected.
The test tool is used for simulating a distribution line, hanging a fault indicator to be tested and bearing the voltage output by the intelligent boosting device and the current output by the current power amplifier module.
And loading a waveform file through a processor during fault inversion, outputting an actual sequence by the intelligent booster and the current power amplifier module, triggering and acquiring a fault waveform by the fault recorder after the state is generated, and simultaneously comparing the waveform file of the fault recorder with the waveform file acquired by the equipment to be detected by the processor.
Furthermore, the output ends of the intelligent booster and the current power amplifier module are connected with the input end of the output acquisition module, and the output end of the output acquisition module is connected with the processor.
It should be noted that:
the intelligent booster can convert the input 220V/380V voltage into any voltage value of 0-10000V for output, and the voltage condition of a power distribution line is simulated.
The current power amplifier module can convert the small current into any current value of 0-1000A to be output, and the current change condition of the distribution line is simulated.
The image acquisition module is in real-time communication with the processor, real-time images of the fault indicator to be tested in the test tool are transmitted to the processor to be judged in the test process, the flashing state of the fault indicator is set to be A, the turning of the card is set to be B, the turning of the card and the flashing setting are C, the non-action setting is D, and the processor judges whether the action result of the fault indicator is correct or not according to the flashing state of the fault indicator.
Further, the clock synchronization module adopts a GPS synchronous clock.
It should be noted that:
the GPS synchronous clock is connected with the processor, the terminal of the equipment to be tested and the current rising and voltage rising device, so that the time synchronism of the processor, the terminal of the equipment to be tested and the current rising and voltage rising device can meet the test requirement.
Further, the fault indicator is hung on the test tool.
Furthermore, the test tool comprises a memory, and the memory is connected with the code scanning module.
It should be noted that:
the memory is responsible for gathering the required data of each item test, and the computational element is drawed the required data of test from the memory and is carried out corresponding calculation analysis and obtain the test result.
Furthermore, the output acquisition module comprises a high-precision current transformer and a high-precision voltage transformer, the high-precision current transformer is connected with the current power amplifier module, and the high-precision voltage transformer is connected with the intelligent booster.
It should be noted that:
the output acquisition module acquires current and voltage data on an output loop of the current power amplifier module and the intelligent booster through the high-precision current transformer and the high-precision voltage transformer, the data are fed back to the processor in real time, the processor adjusts the output of the intelligent booster and the current power amplifier module in real time according to the acquired current and voltage values, the processor can calibrate the output, the accuracy of the output is ensured, the current and voltage accuracy in the test tool can meet the test requirement, and a reliable test environment is provided.
When the fault waveform is issued, the processor and the clock are timed, and then the intelligent booster, the current power amplification module, the to-be-detected fault indicator and the GPS synchronous clock are timed to confirm synchronization, so that errors generated during testing of response time are avoided.
The utility model discloses a theory of operation does:
the test of the whole system is controlled by a processor, the time of each unit in the system is kept consistent by a GPS synchronous clock, the information of a fault indicator to be tested is scanned by a code scanning module and input into a memory before the test, an alternating voltage is output by an intelligent booster, an alternating current is output by a current power amplifier module, a test tool is used for simulating the current and voltage borne by a distribution line and hanging the fault indicator to be tested, a test item is selected according to the requirement of a user during the test, the system controls the intelligent booster and the current power amplifier module to output corresponding current and voltage according to a test sequence corresponding to the test item, the fault indicator hung on the test tool senses the change of the current and voltage of the line and carries out corresponding action, data information is uploaded to the memory, the memory uploads the data to the processor through a serial server, and an image acquisition module acquires the image of the fault indicator on the test tool in real time, and then comparing the image states of the fault indicators of each test sequence before, during and after the sequence operation, wherein the flashing and non-turning state of the fault indicator is set as A, the flashing and non-turning state of the fault indicator is set as B, the flashing and turning state of the fault indicator is set as C, the non-action state is set as D, and the processor judges whether the action result of the fault indicator is correct according to the action state of the fault indicator.
Current, voltage data on the output circuit of high accuracy current transformer and high accuracy voltage transformer collection current power amplifier module and intelligent booster to feed back data to the treater in real time, the treater adjusts the output of intelligent booster and current power amplifier module according to current, the voltage value of gathering in real time, has improved fault indicator's test degree of automation and efficiency of software testing, guarantees testing result authenticity and validity, has reduced tester's input.
Claims (6)
1. An automatic closed-loop detection system for a fault indicator comprises a processor, a communication unit, a fault recorder, a clock synchronization module, an intelligent booster, a current power amplifier module, an image acquisition module, a serial server, a code scanning module, an output acquisition module and a test tool; the method is characterized in that: the processor is connected with the communication unit; the communication unit is respectively connected with the fault recorder, the clock synchronization module, the intelligent booster, the current power amplification module, the image acquisition module, the serial server and the code scanning module; the output acquisition module is respectively connected with the intelligent booster and the current power amplifier module, and the test tool is connected with the intelligent booster and the current power amplifier module.
2. The fault indicator automated closed-loop detection system of claim 1, wherein: the output ends of the intelligent booster and the current power amplifier module are connected with the input end of the output acquisition module, and the output end of the output acquisition module is connected with the processor.
3. The fault indicator automated closed-loop detection system of claim 1, wherein: the clock synchronization module adopts a GPS synchronization clock.
4. The fault indicator automated closed-loop detection system of claim 1, wherein: the fault indicator is hung on the test tool.
5. The fault indicator automated closed-loop detection system of claim 1, wherein: the test tool comprises a memory, and the memory is connected with the code scanning module and the serial server.
6. The fault indicator automated closed-loop detection system of claim 1, wherein: the output acquisition module comprises a high-precision current transformer and a high-precision voltage transformer, the high-precision current transformer is connected with the current power amplifier module, and the high-precision voltage transformer is connected with the intelligent booster.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920660443.1U CN210181199U (en) | 2019-05-09 | 2019-05-09 | Automatic closed-loop detection system for fault indicator |
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| CN201920660443.1U CN210181199U (en) | 2019-05-09 | 2019-05-09 | Automatic closed-loop detection system for fault indicator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113009283A (en) * | 2021-03-25 | 2021-06-22 | 贵州电网有限责任公司 | Power distribution network fault indicator test system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113009283A (en) * | 2021-03-25 | 2021-06-22 | 贵州电网有限责任公司 | Power distribution network fault indicator test system |
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