CN112462250A - Switching characteristic comprehensive test device - Google Patents
Switching characteristic comprehensive test device Download PDFInfo
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- CN112462250A CN112462250A CN202011270132.8A CN202011270132A CN112462250A CN 112462250 A CN112462250 A CN 112462250A CN 202011270132 A CN202011270132 A CN 202011270132A CN 112462250 A CN112462250 A CN 112462250A
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- 238000012360 testing method Methods 0.000 title claims abstract description 186
- 238000004891 communication Methods 0.000 claims abstract description 25
- 238000001514 detection method Methods 0.000 abstract description 9
- 230000010354 integration Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000013522 software testing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
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Abstract
The invention discloses a switch characteristic comprehensive test device, which comprises a communication interface, a primary test interface and a secondary test interface, wherein the communication interface is used for receiving a signal; the communication interface is in communication connection with the comprehensive test control device; the primary test interface is connected with an upper main contact and a lower main contact of a tested switch, and a secondary aerial plug of the tested switch is connected with a secondary interface of the comprehensive test control device; and the secondary test interface is connected with a secondary interface switching device of the comprehensive test control device. Compared with manual detection, the invention can realize three-phase synchronism, switching-off and switching-on time detection and loop resistance detection, and has reliable test result. The invention has high integration, saves a disassembly and assembly line and a manual operation instrument, reduces the safety risk and the error rate, and can improve the working efficiency by at least three times.
Description
Technical Field
The invention relates to the technical field of switch characteristic comprehensive tests, in particular to a switch characteristic comprehensive test device.
Background
At present, in fields such as nuclear power, mill, mine, track traffic, test to the switching characteristic is mostly artifical with the return circuit resistance test and detects, need use each measurement switch auxiliary node of instrument measurement, whether the data that will record reachs test element through calculating accords with the standard, the manual work reads the record, this kind of mode involves a large amount of wiring of tearing open when the test, there is direct current return circuit short circuit, ground connection and connects wrong line risk, and the operation is complicated, the wiring of tearing open is loaded down with trivial details, the efficiency of software testing is low.
The above problems are urgently needed to be solved.
Disclosure of Invention
The object of the present invention is to solve the problems mentioned in the background section above by means of a switching characteristic comprehensive testing device.
In order to achieve the purpose, the invention adopts the following technical scheme:
the embodiment of the invention provides a switching characteristic comprehensive test device, which comprises a communication interface, a primary test interface and a secondary test interface, wherein the communication interface is used for receiving a switching signal; the communication interface is in communication connection with the comprehensive test control device; the primary test interface is connected with an upper main contact and a lower main contact of a tested switch, and a secondary aerial plug of the tested switch is connected with a secondary interface of the comprehensive test control device; the secondary test interface is connected with a secondary interface switching device of the comprehensive test control device; the primary test interface is used for testing the switching characteristic and the resistance of the main loop; the secondary test interface is used for testing the direct resistance of a secondary coil, testing the switch auxiliary contact and testing the electrical characteristics of opening and closing; and receiving a test instruction output by the comprehensive test control device through the communication interface, automatically executing and switching a switch characteristic test, a main loop resistance test, a secondary coil direct resistance test, a switch auxiliary contact resistance test and a switching-on and switching-off electrical characteristic test according to the received test instruction, storing test data in the comprehensive test control device in a communication mode, and generating a test report.
Particularly, the comprehensive protection test control device stores the test data of the previous time and generates a performance trend chart of the test device to remind a user of replacing the damaged element in time.
Particularly, the switch characteristic comprehensive testing device and the switch characteristic comprehensive testing control device are independent modules, and are separately transported to a testing site, and then the switch characteristic comprehensive testing device and the switch characteristic comprehensive testing device are directly stacked without screw connection, and the switch characteristic comprehensive testing device and the switch characteristic comprehensive testing control device can be tested after being connected with a communication line.
Particularly, the switch characteristic comprehensive test device and the comprehensive test control device are both modules with the width of 400mm, the depth of 400mm and the height of 300mm, and the modules are independently placed in a draw-bar box when not in use.
In particular, the switching characteristic comprehensive test device integrates a voltage source and a current source at the same time, and is used for meeting related test items of but not limited to Schneider, ABB, Mueller, Siemens and VS1 medium-voltage switches.
Compared with manual detection, the comprehensive testing device for the switching characteristics can realize three-phase synchronism, opening and closing time detection and loop resistance detection, and is reliable in testing result. When the invention is adopted, an operator only needs to select items to be tested in a computer, tests by one key, tests step by step according to a programmed test program, automatically stores test soft data, saves a disassembly and assembly line and a manual operation instrument, reduces safety risk, reduces error rate and can improve working efficiency by at least three times.
The invention automatically generates a report form by the test data, is convenient for directly observing the result, can record historical data, obtains the trends of various performances of the element, predicts the service life and timely reminds the unqualified element to be replaced. The switch characteristic comprehensive testing device and the comprehensive testing control device are in modular design and are independent modules, the comprehensive testing control device and the switch characteristic comprehensive testing device are directly stacked after being separately transported to a testing site, the screw connection is not needed, the switch characteristic comprehensive testing device and the comprehensive testing control device can be tested after being connected with a communication line, and the switch characteristic comprehensive testing device and the comprehensive testing control device are small in size and convenient to carry and assemble on site.
Drawings
Fig. 1 is a schematic structural diagram of a principle of a switching characteristic comprehensive testing device according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a circuit for testing switching characteristics and main loop resistance according to an embodiment of the present invention;
fig. 3A and fig. 3B are circuit structure diagrams of a switching characteristic comprehensive testing apparatus according to an embodiment of the present invention.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, the integrated testing apparatus for switching characteristics in this embodiment includes a communication interface, a primary testing interface, and a secondary testing interface. The communication interface is in communication connection with the comprehensive test control device. In this embodiment, the primary test interface is connected to upper and lower main contacts of a switch to be tested through six test lines, and a secondary aerial plug of the switch to be tested is connected to a secondary interface of the comprehensive test control device; and the secondary test interface is connected with a secondary interface switching device of the comprehensive test control device.
The primary test interface is used for testing the switching characteristic and the resistance of the main loop; the secondary test interface is used for testing the direct resistance of a secondary coil, testing the switch auxiliary contact and testing the electrical characteristics of opening and closing; specifically, as shown in fig. 2, 3A and 3B, in the drawings, QF indicates a high-voltage vacuum circuit breaker, GDKC indicates a high-voltage switch comprehensive tester, J1 indicates a main contact fracture, J4-5 indicates an a-phase loop resistor, J6-7 indicates a B-phase loop resistor, J8-9 indicates a C-phase loop resistor, KS1-KS20 indicates a secondary interface switch, XS1 indicates an air-plug, J10 indicates an on-off coil control power supply, J11 indicates an energy storage control power supply, J3 indicates a coil resistor, J2.1 indicates an auxiliary contact, and J2.2 indicates an auxiliary contact. During testing, the testing instruction output by the comprehensive testing control device is received through the communication interface, the characteristic test of the switch, the resistance test of the main loop, the direct resistance test of the secondary coil, the resistance test of the switch auxiliary contact and the electrical characteristic test of the opening and closing are automatically executed and switched according to the received testing instruction, and the testing data are stored in the comprehensive testing control device in a communication mode to generate a testing report. In the present embodiment, the corresponding test instrument and test switch are controlled by the test software. The switch characteristic test comprises switching-on and switching-off time, switching-on and switching-off speed, contact travel, contact over-distance, three-phase synchronism, switching-on bounce and the like, and whether overcurrent phenomenon exists during switching-on or not and whether the switching-on bounce frequency amplitude and the three-phase contact suction interval meet safety requirements or not are detected. When the loop resistance is tested, 100A current is applied to ABC three phases in sequence, the voltage at two ends of a main loop is tested, and according to ohm's law: and calculating the resistance of the main loop when the R is equal to U/I.
Specifically, in this embodiment, the switching characteristic comprehensive testing device combines the switching characteristic testing line and the loop resistance testing line, and the inside of the meter is electrically isolated, so that only six testing lines need to be connected to the main contact of the switch up and down, and the wire disconnection work is not needed in the testing process, and the testing is performed by one key, and the testing soft data is automatically stored according to the programmed testing program.
Specifically, in this embodiment, the comprehensive protection test control device stores the test data of the previous time, generates the performance trend graph of the test device, predicts the service life, and reminds the user to replace the damaged element in time.
Specifically, in this embodiment, the switching characteristic comprehensive test device and the switching characteristic comprehensive test control device are independent modules, and are separately transported to a test site, and then the switching characteristic comprehensive test device and the switching characteristic comprehensive test device are directly stacked without screw connection, and the switching characteristic comprehensive test device and the switching characteristic comprehensive test control device can be tested after being connected with a communication line. Specifically, in this embodiment, the switch characteristic comprehensive testing device and the comprehensive testing control device are modules with a width of 400mm, a depth of 400mm and a height of 300mm, and are separately placed in the draw-bar box when not in use.
Specifically, in the switching characteristic comprehensive test device of the present embodiment, a voltage source and a current source are integrated at the same time for satisfying, but not limited to, relevant test items for the medium voltage switches of schneider, ABB, moeller, siemens and VS 1.
According to the technical scheme provided by the embodiment, different test instrument units are controlled by using test software, the action of each test circuit is controlled, the instrument module realizes the test of various elements, test data is uploaded to a test system, and a test conclusion is obtained through calculation. The invention uses mature meter and computer information technology for integration, the equipment has good stability, compared with manual detection, the invention can realize three-phase synchronism, opening and closing time detection and loop resistance detection, and the test result is reliable. When the invention is adopted, an operator only needs to select items to be tested in a computer, tests by one key, tests step by step according to a programmed test program, automatically stores test soft data, saves a disassembly and assembly line and a manual operation instrument, reduces safety risk, reduces error rate and can improve working efficiency by at least three times. The invention automatically generates a report form by the test data, is convenient for directly observing the result, can record historical data, obtains the trends of various performances of the element, predicts the service life and timely reminds the unqualified element to be replaced. The switch characteristic comprehensive testing device and the comprehensive testing control device are in modular design and are independent modules, the comprehensive testing control device and the switch characteristic comprehensive testing device are directly stacked after being separately transported to a testing site, the screw connection is not needed, the switch characteristic comprehensive testing device and the comprehensive testing control device can be tested after being connected with a communication line, and the switch characteristic comprehensive testing device and the comprehensive testing control device are small in size and convenient to carry and assemble on site.
It will be understood by those skilled in the art that all or part of the above embodiments may be implemented by hardware related to instructions of a program in a microcomputer module, where the program may be stored in a storage medium readable by the microcomputer module, and when executed, may include the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (5)
1. A switch characteristic comprehensive test device is characterized by comprising a communication interface, a primary test interface and a secondary test interface; the communication interface is in communication connection with the comprehensive test control device; the primary test interface is connected with an upper main contact and a lower main contact of a tested switch, and a secondary aerial plug of the tested switch is connected with a secondary interface of the comprehensive test control device; the secondary test interface is connected with a secondary interface switching device of the comprehensive test control device; the primary test interface is used for testing the switching characteristic and the resistance of the main loop; the secondary test interface is used for testing the direct resistance of a secondary coil, testing the switch auxiliary contact and testing the electrical characteristics of opening and closing; and receiving a test instruction output by the comprehensive test control device through the communication interface, automatically executing and switching a switch characteristic test, a main loop resistance test, a secondary coil direct resistance test, a switch auxiliary contact resistance test and a switching-on and switching-off electrical characteristic test according to the received test instruction, storing test data in the comprehensive test control device in a communication mode, and generating a test report.
2. The switching characteristic integrated test apparatus of claim 1, wherein the integrated protection test control apparatus stores the test data of previous times and generates a performance trend chart of the test device to remind a user to replace a damaged element in time.
3. The switching characteristic integrated test apparatus according to claim 1, wherein the switching characteristic integrated test apparatus and the integrated test control apparatus are independent modules, and the integrated test control apparatus and the switching characteristic integrated test apparatus are directly stacked after being separately transported to a test site without screw connection, and can be tested after being connected to a communication line.
4. The switching characteristic integrated test device according to claim 3, wherein the switching characteristic integrated test device and the integrated test control device are modules each having a width of 400mm, a depth of 400mm, and a height of 300mm, and are individually placed in a draw-bar box when not in use.
5. The device for comprehensive testing of switching characteristics as claimed in one of claims 1 to 4, wherein a voltage source and a current source are integrated into the device at the same time for satisfying but not limited to the relevant test items for Schneider, ABB, Mercler, Siemens, VS1 medium voltage switches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011270132.8A CN112462250A (en) | 2020-11-13 | 2020-11-13 | Switching characteristic comprehensive test device |
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|---|---|---|---|
| CN202011270132.8A CN112462250A (en) | 2020-11-13 | 2020-11-13 | Switching characteristic comprehensive test device |
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| CN112462250A true CN112462250A (en) | 2021-03-09 |
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| CN202011270132.8A Pending CN112462250A (en) | 2020-11-13 | 2020-11-13 | Switching characteristic comprehensive test device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114167188A (en) * | 2021-12-08 | 2022-03-11 | 无锡中科电气设备有限公司 | Testing arrangement of low-voltage plate cabinet |
| CN114184948A (en) * | 2021-12-08 | 2022-03-15 | 无锡中科电气设备有限公司 | Testing device for medium-voltage switch |
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Cited By (2)
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| CN114167188A (en) * | 2021-12-08 | 2022-03-11 | 无锡中科电气设备有限公司 | Testing arrangement of low-voltage plate cabinet |
| CN114184948A (en) * | 2021-12-08 | 2022-03-15 | 无锡中科电气设备有限公司 | Testing device for medium-voltage switch |
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Effective date of registration: 20220725 Address after: 298 Furong Zhong Er Road, Xishan Economic Development Zone, Wuxi City, Jiangsu Province, 214000 Applicant after: WUXI ZHONGKE ELECTRIC EQUIPMENT Co.,Ltd. Address before: 298 Furong Zhong Er Road, Xishan Economic Development Zone, Wuxi City, Jiangsu Province, 214000 Applicant before: WUXI ZHONGKE ELECTRIC EQUIPMENT Co.,Ltd. Applicant before: Shenzhen Union Clean Energy Research Institute |