CN111190079A - Fault indicator collects unit with withstand voltage automatic test system - Google Patents
Fault indicator collects unit with withstand voltage automatic test system Download PDFInfo
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- CN111190079A CN111190079A CN201911363757.6A CN201911363757A CN111190079A CN 111190079 A CN111190079 A CN 111190079A CN 201911363757 A CN201911363757 A CN 201911363757A CN 111190079 A CN111190079 A CN 111190079A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
Abstract
The invention relates to an insulation withstand voltage automatic test system for a fault indicator collecting unit, which comprises: the system comprises an insulation and voltage resistance test management system, a program-controlled insulation and voltage resistance tester and a program-controlled channel switching device which are in communication connection with each other; a plurality of collecting units are connected to the insulation and voltage resistance test management system through the program control channel switching device; under the control of the insulation and voltage withstand test management system, a plurality of collecting units are connected to the program-controlled insulation and voltage withstand tester one by one; the insulation and voltage resistance test management system is used for issuing instructions to the program-controlled insulation and voltage resistance tester to test a plurality of connected collection units, can greatly improve the test efficiency and accuracy of the insulation performance of the collection units, reduces the personnel investment, and has good social benefits.
Description
Technical Field
The invention relates to the technical field of electric test detection, in particular to an automatic test system for the insulation strength and the insulation resistance of a fault indicator collecting unit, and specifically relates to an automatic insulation withstand voltage test system for the fault indicator collecting unit.
Background
In recent years, in the field of power test detection, especially, automatic testing of the insulation strength and insulation resistance of a fault indicator collection unit is an essential basic test type in the power industry, and is also a relatively conventional means, and the automatic testing method is used for verifying the quality of produced electrical equipment, ensuring that the electrical equipment meets regulations and related standards, determining the change of the performance of the electrical equipment with time without problems, and determining the cause of faults.
At present, although insulation performance test is generally carried out by adopting an insulation withstand voltage tester, the insulation performance test needs manual operation, and has the following significant problems: the labor investment is huge, the efficiency is low, manual experience is required, the testing precision is insufficient, and the judgment of the testing result is unreliable.
In view of the above, the present invention is particularly proposed.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides an automatic insulation withstand voltage test system for a fault indicator collecting unit.
The technical scheme provided by the invention is as follows:
the utility model provides a fault indicator collects unit and uses withstand voltage automatic test system which characterized in that: the method comprises the following steps: the system comprises an insulation and voltage resistance test management system, a program-controlled insulation and voltage resistance tester and a program-controlled channel switching device which are in communication connection with each other;
a plurality of collecting units are connected to the insulation and voltage resistance test management system through the program control channel switching device;
under the control of the insulation and voltage withstand test management system, a plurality of collecting units are connected to the program-controlled insulation and voltage withstand tester one by one;
and the insulation and voltage resistance test management system is used for issuing an instruction to the program-controlled insulation and voltage resistance tester to test the accessed multiple collecting units.
Preferably, the dielectric breakdown voltage test management system includes: the system comprises an industrial personal computer and a test management module arranged on the industrial personal computer;
the test management module is used for realizing test case configuration, test sample information input, control of a test process, collection of test results and generation of a test report.
Preferably, the implementation test case configuration is used for setting pressure-resistant parameters through a test system; the pressure resistance parameters comprise: testing voltage value, boosting rate and withstand voltage time;
the test sample information input is used for inputting test time, and the type, model, size and thickness of a test sample;
the control test process is used for controlling test indication, a stop judging mode and a current limiting protection mode;
the collecting test result is used for collecting voltage, current and time;
the generated test report is used for generating report parameters, test curves, report query, storage, deletion and clear or not.
Preferably, the method further comprises: the scanning gun is connected with the insulation and voltage resistance test management system; the device is used for scanning a plurality of collecting units, inputting the information of the tested products and inputting the information of the tested products into the insulation and voltage resistance test management system.
Preferably, the test article information includes: product type, model, manufacturer and factory number.
Preferably, the program-controlled channel switching device includes: a control switch and a high-voltage relay;
the control switch is connected with the insulation and voltage resistance test management system through network communication;
the high-voltage relay is connected with the plurality of collecting units through wires;
and the control switch and the high-voltage relay are used for controlling the connected multiple collecting units.
Preferably, the number of the control switches is 24.
Preferably, the number of the high-voltage relays is 2.
Preferably, the high-voltage relay adopts a current not lower than 10vk, so as to avoid mutual interference and electric leakage of a plurality of collecting units in the program control channel switching device.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention provides an insulation withstand voltage automatic test system for a fault indicator collecting unit, which comprises: the system comprises an insulation and voltage resistance test management system, a program-controlled insulation and voltage resistance tester and a program-controlled channel switching device which are in communication connection with each other, wherein a plurality of collection units are connected to the insulation and voltage resistance test management system through the program-controlled channel switching device, the collection units are connected to the program-controlled insulation and voltage resistance tester one by one under the control of the insulation and voltage resistance test management system, and the insulation and voltage resistance test management system is used for issuing instructions to the program-controlled insulation and voltage resistance tester to test the collection units.
2. The invention provides an insulation and voltage resistance automatic test system for a fault indicator collecting unit, which can realize automatic and batch test of the insulation performance of the fault indicator collecting unit by an automatic means.
3. The invention provides an automatic insulation withstand voltage test system for a collecting unit of a fault indicator, which is simple to operate, convenient to install, compact in structure, capable of reducing the manpower requirement and effectively improving the product quality.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a system diagram of the present invention;
FIG. 2 is a diagram illustrating the system effect of the present invention;
in the figure: 1-an insulation and voltage-resistance test management system, 2-a program-controlled insulation and voltage-resistance tester, 3-a scanning gun, 4-a program-controlled channel switching device and 5-a collecting unit.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention relates to an insulation withstand voltage automatic test system for a fault indicator collecting unit, which comprises: the system comprises an insulation and voltage withstand test management system 1, a program-controlled insulation and voltage withstand tester 2 and a program-controlled channel switching device 4 which are in communication connection with each other;
a plurality of collecting units 5 are connected to the insulation and voltage resistance test management system 1 through the program control channel switching device 4;
under the control of the insulation and voltage withstand test management system 1, a plurality of collecting units 5 are connected to the program-controlled insulation and voltage withstand tester 2 one by one; and the insulation and voltage resistance test management system 1 is used for issuing instructions to the program-controlled insulation and voltage resistance tester 2 to test the accessed multiple collecting units 5.
The system can greatly improve the testing efficiency and accuracy of the insulating property of the collecting unit, reduces the personnel investment and has good social benefit.
In order to ensure the safe operation of the collecting unit of the fault indicator, the relevant technical specifications of national network companies provide clear requirements for the insulation performance test of the collecting unit of the fault indicator, an insulation resistance meter with a corresponding grade is used for testing the insulation resistance between a power supply loop of the fixedly-installed collecting unit of the electric pole and a shell in the insulation resistance test, the testing time is not less than 5s, and the testing result meets the technical requirements;
and (3) performing an insulation strength test, namely testing the insulation strength between the power supply loop and the shell of the collecting unit fixedly installed on the electric pole by using an insulation strength pressure tester with a corresponding grade, gradually increasing the test voltage from 0V to a corresponding voltage within 5s, keeping the test voltage for 1min, and avoiding a breakdown flashover phenomenon in the test process.
As shown in fig. 1-2, the system components illustrate:
the insulation and voltage resistance test management system 1 is a core part of the system and comprises an industrial personal computer and a test management module arranged on the industrial personal computer, wherein the test management module is used for realizing test case configuration, test sample information input, test flow control, test result collection and test report generation.
The implementation test case configuration is used for setting pressure-resistant parameters through a test system; the pressure resistance parameters comprise: testing voltage value, boosting rate and withstand voltage time;
the test sample information input is used for inputting test time, and the type, model, size and thickness of a test sample;
the control test process is used for controlling test indication, a stop judging mode and a current limiting protection mode;
the collecting test result is used for collecting voltage, current and time;
the generated test report is used for generating report parameters, test curves, report query, storage, deletion and clear or not.
In addition, the system also comprises a scanning gun 3, wherein the scanning gun is connected with the insulation and voltage resistance test management system 1; the system is used for scanning a plurality of collecting units, inputting the information of the tested products and inputting the information of the tested products into the insulation and voltage withstand test management system 1.
The test article information includes: product type, model, manufacturer and factory number.
The program-controlled insulation and voltage resistance tester 1 receives a command of the insulation and voltage resistance test management system 1 through a serial communication port, executes a test task according to a preset voltage resistance value, leakage current and test time, and returns a test result to the insulation and voltage resistance test management system 1;
the program control channel switching device 4 is used for sequentially and automatically connecting 24 simultaneously connected collecting units 5 into the insulation and voltage resistance tester 1 one by one for testing under the control of the insulation and voltage resistance test management system 1.
In order to avoid the mutual interference between channels and the possibility of electric leakage, a high-voltage relay with the voltage resistance of not less than 10VK is adopted as an element for switching between channels.
The closed-loop automatic test process of the system is described, firstly, 24 collecting units 5 are sequentially connected to an insulation and voltage resistance test management system 1;
then, establishing a test case in the insulation and voltage resistance test management system 1 according to the type of the collection unit 5, wherein the test case comprises parameters such as test voltage, leakage current, test time and the like corresponding to each test;
then, the information of each collecting unit 5, including product type, model, manufacturer, factory number and the like, is automatically scanned in sequence by the scanning gun 3;
the automatic test process is started by clicking an automatic test button, the collection unit 5 is connected into the withstand voltage tester 1 one by one for testing under the control of the withstand voltage test management system 1, test results are recorded one by one after the test is finished, the test results can be selected to record the maximum value, the average value or the value of a certain time point, and a test report can be automatically generated according to the test results.
In addition, the system is simple to operate, convenient to install, compact in structure, capable of reducing manpower requirements and effectively improving product quality.
The system can be connected into 24 collecting units at one time, so that the automatic test of the insulation resistance and the insulation voltage of the fault indicator collecting unit is realized, and the automatic and batch test of the insulation performance of the fault indicator collecting unit is realized.
The test requirement of the system is that the insulation resistance is as follows: the insulation resistance between the power supply loop of the collecting unit fixedly installed on the electric pole and the shell is more than or equal to 5M omega (the rated insulation voltage U is less than or equal to 60V by using a 250V insulation resistance meter).
Insulating strength: when the rated insulation voltage U between the power supply loop of the collecting unit fixedly installed on the electric pole and the shell is less than or equal to 60V, no breakdown and flashover are caused when 500V power frequency voltage is applied.
The system test efficiency is evaluated, in the process of worker test, the factors such as sample preparation, manual operation, data recording, test reports and the like are considered, 2.5 hours are needed, workers need to be in a working state all the time in the whole test process, and meanwhile, the test precision completely depends on manual experience.
When the automatic test system is adopted, the whole test process needs 1 hour, and a plurality of tests can be synchronously carried out, so that the test efficiency is improved by 2.5 times, and the labor input is reduced to about 1/10.
Finally, it should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention, and those skilled in the art will appreciate that various modifications and changes can be made to the present invention. Any modification, equivalent replacement, improvement or the like made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention filed as filed.
Claims (9)
1. An automatic withstand voltage test system for a fault indicator collection unit is characterized by comprising: the system comprises an insulation and voltage resistance test management system, a program-controlled insulation and voltage resistance tester and a program-controlled channel switching device which are in communication connection with each other;
a plurality of collecting units are connected to the insulation and voltage resistance test management system through the program control channel switching device;
under the control of the insulation and voltage withstand test management system, a plurality of collecting units are connected to the program-controlled insulation and voltage withstand tester one by one;
and the insulation and voltage resistance test management system is used for issuing an instruction to the program-controlled insulation and voltage resistance tester to test the accessed multiple collecting units.
2. The automatic withstand voltage testing system for the fault indicator collection unit according to claim 1, wherein the withstand voltage testing management system comprises: the system comprises an industrial personal computer and a test management module arranged on the industrial personal computer;
the test management module is used for realizing test case configuration, test sample information input, control of a test process, collection of test results and generation of a test report.
3. The automatic withstand voltage testing system for the fault indicator collection unit according to claim 2, wherein the implementation test case is configured to perform withstand voltage parameter setting by the testing system; the pressure resistance parameters comprise: testing voltage value, boosting rate and withstand voltage time;
the test sample information input is used for inputting test time, and the type, model, size and thickness of a test sample;
the control test process is used for controlling test indication, a stop judging mode and a current limiting protection mode;
the collecting test result is used for collecting voltage, current and time;
the generated test report is used for generating report parameters, test curves, report query, storage, deletion and clear or not.
4. The automatic withstand voltage testing system for the fault indicator collection unit according to claim 1, further comprising: the scanning gun is connected with the insulation and voltage resistance test management system; the device is used for scanning a plurality of collecting units, inputting the information of the tested products and inputting the information of the tested products into the insulation and voltage resistance test management system.
5. The automatic withstand voltage testing system for the fault indicator collection unit according to claim 4, wherein the test article information includes: product type, model, manufacturer and factory number.
6. The automatic withstand voltage testing system for the fault indicator collection unit according to claim 1, wherein the program-controlled channel switching device comprises: a control switch and a high-voltage relay;
the control switch is connected with the insulation and voltage resistance test management system through network communication;
the high-voltage relay is connected with the plurality of collecting units through wires;
and the control switch and the high-voltage relay are used for controlling the connected multiple collecting units.
7. The automatic withstand voltage testing system for the fault indicator collection unit according to claim 6, wherein the number of the control switches is 24.
8. The automatic withstand voltage testing system for the fault indicator collection unit according to claim 6, wherein the number of the high-voltage relays is 2.
9. The automatic withstand voltage testing system for the collecting units of the fault indicators according to claim 8, wherein the high voltage relay uses a current of not less than 10vk for preventing the plurality of collecting units in the program-controlled channel switching device from interfering with each other and leaking electricity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911363757.6A CN111190079A (en) | 2019-12-26 | 2019-12-26 | Fault indicator collects unit with withstand voltage automatic test system |
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| CN201911363757.6A CN111190079A (en) | 2019-12-26 | 2019-12-26 | Fault indicator collects unit with withstand voltage automatic test system |
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| CN111190079A true CN111190079A (en) | 2020-05-22 |
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| CN201911363757.6A Pending CN111190079A (en) | 2019-12-26 | 2019-12-26 | Fault indicator collects unit with withstand voltage automatic test system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113533920A (en) * | 2021-09-13 | 2021-10-22 | 广东电网有限责任公司中山供电局 | Automatic withstand voltage test device and method for insulating partition plate |
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- 2019-12-26 CN CN201911363757.6A patent/CN111190079A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113533920A (en) * | 2021-09-13 | 2021-10-22 | 广东电网有限责任公司中山供电局 | Automatic withstand voltage test device and method for insulating partition plate |
| CN113533920B (en) * | 2021-09-13 | 2022-01-25 | 广东电网有限责任公司中山供电局 | Automatic withstand voltage test device and method for insulating partition plate |
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