CN220064296U - Experimental auxiliary device of high-pressure vacuum contactor - Google Patents
Experimental auxiliary device of high-pressure vacuum contactor Download PDFInfo
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- CN220064296U CN220064296U CN202320558213.0U CN202320558213U CN220064296U CN 220064296 U CN220064296 U CN 220064296U CN 202320558213 U CN202320558213 U CN 202320558213U CN 220064296 U CN220064296 U CN 220064296U
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- switching
- power supply
- vacuum contactor
- alternating current
- monitoring signal
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- 238000012544 monitoring process Methods 0.000 claims abstract description 31
- 230000003449 preventive effect Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
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- Tests Of Electronic Circuits (AREA)
Abstract
The utility model relates to a high-voltage vacuum contactor test auxiliary device, and belongs to the technical field of power test equipment. The technical scheme of the utility model is as follows: the alternating current power supply is connected to the alternating current rectifying module (1), the alternating current rectifying module (1) is respectively connected with the driving power supply output terminal and the switching on/off monitoring signal terminal through the intermediate relay, and the current limiting resistor (2) is connected between the alternating current rectifying module (1) and the intermediate relay; the switching-on/off power supply output end of the test equipment is connected with the switching-on/off monitoring signal terminal. The beneficial effects of the utility model are as follows: the on-site alternating current power supply is input, so that a switching-on power supply can be continuously provided for the high-voltage vacuum contactor, a switching-on signal of the high-voltage vacuum contactor is monitored through the relay, a complete test of the switching action characteristic can be completed, and the working efficiency, the working safety and the working accuracy can be improved in a preventive test of the high-voltage vacuum contactor.
Description
Technical Field
The utility model relates to a high-voltage vacuum contactor test auxiliary device, and belongs to the technical field of power test equipment.
Background
In the preventive test of the power equipment, when the high-voltage vacuum contactor is subjected to the action characteristic test, the test equipment cannot continuously give current during switching-on and switching-off, only pulse signals can be provided, and the high-voltage vacuum contactor is not provided with a self-holding device, so that the high-voltage vacuum contactor immediately trips after switching-on, and the follow-up test cannot be performed.
Disclosure of Invention
The utility model aims to provide a high-voltage vacuum contactor test auxiliary device, which can continuously provide a switching-on power supply for a high-voltage vacuum contactor by inputting an on-site alternating current power supply, can complete a complete test of the switching action characteristic of the high-voltage vacuum contactor by monitoring a switching-on/off signal of the high-voltage vacuum contactor through a relay, has a simple structure and is convenient to use, the working efficiency and the working safety and accuracy can be improved in a high-voltage vacuum contactor preventive test, and the problems in the prior art are effectively solved.
The technical scheme of the utility model is as follows: the auxiliary device comprises an alternating current rectifying module, a current limiting resistor, an intermediate relay, a driving power supply output terminal and an opening and closing monitoring signal terminal, wherein an alternating current power supply is connected to the alternating current rectifying module, the alternating current rectifying module is respectively connected with the driving power supply output terminal and the opening and closing monitoring signal terminal through the intermediate relay, and the current limiting resistor is connected between the alternating current rectifying module and the intermediate relay; the switching-on/off power supply output end of the test equipment is connected with the switching-on/off monitoring signal terminal; and the switching-on/off feedback signal end of the test equipment is connected with the output terminal of the driving power supply.
The intermediate relay comprises an intermediate relay I, an intermediate relay II and an intermediate relay III.
The driving power supply output terminal comprises a driving power supply output terminal I and a driving power supply output terminal II.
The switching-on/off monitoring signal terminal comprises a switching-on/off monitoring signal terminal I, a switching-on/off monitoring signal terminal II and a switching-on/off monitoring signal terminal III.
The test equipment is a switch action characteristic tester.
The beneficial effects of the utility model are as follows: the on-site alternating current power supply is input, the switching-on power supply can be continuously supplied to the high-voltage vacuum contactor, the switching-on and switching-off signals of the high-voltage vacuum contactor are monitored through the relay, the complete test of the switching action characteristics can be completed, the structure is simple, the use is convenient, and the working efficiency and the working safety and accuracy can be improved in the preventive test of the high-voltage vacuum contactor.
Drawings
FIG. 1 is a schematic diagram of an opening and closing monitoring circuit of a high-voltage vacuum contactor according to the utility model;
FIG. 2 is a schematic diagram of a given power control scheme for the high-pressure vacuum contactor of the present utility model;
in the figure: the switching device comprises an alternating current rectifying module 1, a current limiting resistor 2, a first intermediate relay K1, a second intermediate relay K2, a third intermediate relay K3, a first driving power output terminal S1, a second driving power output terminal S2, a first switching-on/off monitoring signal terminal G1, a second switching-on/off monitoring signal terminal G2 and a third switching-on/off monitoring signal terminal G3.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments, and it is apparent that the described embodiments are a small part of the embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.
The auxiliary device comprises an alternating current rectifying module 1, a current limiting resistor 2, an intermediate relay, a driving power supply output terminal and an opening and closing monitoring signal terminal, wherein an alternating current power supply is connected to the alternating current rectifying module 1, the alternating current rectifying module 1 is respectively connected with the driving power supply output terminal and the opening and closing monitoring signal terminal through the intermediate relay, and the current limiting resistor 2 is connected between the alternating current rectifying module 1 and the intermediate relay; the switching-on/off power supply output end of the test equipment is connected with the switching-on/off monitoring signal terminal; and the switching-on/off feedback signal end of the test equipment is connected with the output terminal of the driving power supply.
The intermediate relay comprises an intermediate relay I K1, an intermediate relay II K2 and an intermediate relay III K3.
The driving power supply output terminals comprise a driving power supply output terminal I S1 and a driving power supply output terminal II S2.
The opening and closing monitoring signal terminal comprises an opening and closing monitoring signal terminal G1, an opening and closing monitoring signal terminal G2 and an opening and closing monitoring signal terminal G3.
The test equipment is a switch action characteristic tester.
In practical application, the high-voltage vacuum contactor test auxiliary device is moved to a high-voltage distribution room and connected with an on-site alternating current power supply, the switching-on/off power supply output of the test equipment switching action characteristic tester is connected with a first switching-on/off monitoring signal terminal G1, a second switching-on/off monitoring signal terminal G2 and a third switching-on/off monitoring signal terminal G3 of the equipment, and when the switching action characteristic tester sends out a pulse switching-on signal, the switching-on power supply of the high-voltage vacuum contactor can be continuously provided. And the switching-on/off feedback signal of the test device switch action characteristic tester is connected to the first driving power supply output terminal S1 and the second driving power supply output terminal S2, so that the switching-on/off signal of the high-voltage vacuum contactor can be monitored.
The utility model has simple structure and convenient use. The working efficiency, the working safety and the working accuracy can be improved in the preventive test of the high-pressure vacuum contactor.
Claims (5)
1. The utility model provides a high-pressure vacuum contactor test auxiliary device which characterized in that: the switching on/off control circuit comprises an alternating current rectifying module (1), a current limiting resistor (2), an intermediate relay, a driving power supply output terminal and a switching on/off monitoring signal terminal, wherein an alternating current power supply is connected to the alternating current rectifying module (1), the alternating current rectifying module (1) is respectively connected with the driving power supply output terminal and the switching on/off monitoring signal terminal through the intermediate relay, and the current limiting resistor (2) is connected between the alternating current rectifying module (1) and the intermediate relay; the switching-on/off power supply output end of the test equipment is connected with the switching-on/off monitoring signal terminal; and the switching-on/off feedback signal end of the test equipment is connected with the output terminal of the driving power supply.
2. The high-pressure vacuum contactor test auxiliary device according to claim 1, wherein: the intermediate relay includes an intermediate relay one (K1), an intermediate relay two (K2), and an intermediate relay three (K3).
3. The high-pressure vacuum contactor test auxiliary device according to claim 1, wherein: the driving power output terminals include a driving power output terminal one (S1) and a driving power output terminal two (S2).
4. The high-pressure vacuum contactor test auxiliary device according to claim 1, wherein: the opening and closing monitoring signal terminal comprises an opening and closing monitoring signal terminal I (G1), an opening and closing monitoring signal terminal II (G2) and an opening and closing monitoring signal terminal III (G3).
5. The high-pressure vacuum contactor test auxiliary device according to claim 1, wherein: the test equipment is a switch action characteristic tester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320558213.0U CN220064296U (en) | 2023-03-21 | 2023-03-21 | Experimental auxiliary device of high-pressure vacuum contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320558213.0U CN220064296U (en) | 2023-03-21 | 2023-03-21 | Experimental auxiliary device of high-pressure vacuum contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220064296U true CN220064296U (en) | 2023-11-21 |
Family
ID=88751108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320558213.0U Active CN220064296U (en) | 2023-03-21 | 2023-03-21 | Experimental auxiliary device of high-pressure vacuum contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220064296U (en) |
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2023
- 2023-03-21 CN CN202320558213.0U patent/CN220064296U/en active Active
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