CN210270051U - Relay voltage-withstand test device - Google Patents
Relay voltage-withstand test device Download PDFInfo
- Publication number
- CN210270051U CN210270051U CN201920805635.7U CN201920805635U CN210270051U CN 210270051 U CN210270051 U CN 210270051U CN 201920805635 U CN201920805635 U CN 201920805635U CN 210270051 U CN210270051 U CN 210270051U
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- China
- Prior art keywords
- protective cover
- contact piece
- relay
- withstand voltage
- tester
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000012360 testing method Methods 0.000 title claims abstract description 46
- 230000001681 protective effect Effects 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims abstract description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229920001342 Bakelite® Polymers 0.000 description 2
- 239000004637 bakelite Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The utility model provides a withstand voltage testing device of relay belongs to relay test technical field. The relay withstand voltage testing device comprises a withstand voltage tester, a testing frame and a protective cover. The protective cover is arranged on the pressure resistance tester; the protective cover is a hollow box body with a low front part and a high back part and an opening at the upper part, and a sealing cover is arranged at the opening at the upper part of the protective cover; a travel switch is arranged at an opening above the protective cover; the inner bottom surface of the protective cover is provided with the test frame; the test frame is provided with a clamping device; the clamping devices comprise a left groove, a right groove, a left contact piece and a right contact piece which are arranged on the same horizontal line; the bottoms of the left contact pieces are connected in series and are electrically connected with the travel switch, the bottoms of the right contact pieces are connected in series and are electrically connected with the voltage-resistant tester, and the travel switch is electrically connected with the voltage-resistant tester. The utility model discloses a can realize the automatic withstand voltage test of establishing ties of many relays.
Description
Technical Field
The utility model belongs to the technical field of the relay test, concretely relates to withstand voltage testing arrangement of relay.
Background
The relay plays important roles of automatic regulation, safety protection, circuit conversion and the like in the circuit. The withstand voltage test is to detect whether the product insulation structure can withstand the internal overvoltage of the power system. When an electric power system is in operation, due to problems of lightning strike, operation, failure or improper parameter matching of electrical equipment and the like, the voltage of some parts in the system is suddenly increased and greatly exceeds the rated voltage, namely overvoltage. The withstand voltage test is a key step in the production process of the relay, and directly influences the quality of the relay.
In the prior art, the withstand voltage test of the relay is to connect a withstand voltage tester to each test point of the relay respectively to perform the withstand voltage test. The manual testing method is not only troublesome in operation and low in efficiency, but also cannot meet the production requirements of a production line when relays are produced in large batches; moreover, in such high pressure environments, manual testing is prone to operator hazards.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a withstand voltage testing device of relay through the safety cover and the test jig of special design, has solved the withstand voltage test of relay troublesome poeration, inefficiency and unsafe problem.
A relay withstand voltage testing device comprises a withstand voltage tester, a testing frame and a protective cover. The protective cover is arranged on the pressure resistance tester; the protective cover is a hollow box body which is low in front and high in back and is provided with an opening at the upper part, a sealing cover is arranged at the opening at the upper part of the protective cover, and the sealing cover is hinged with the back side wall of the protective cover; at least one travel switch is arranged at an opening above the protective cover; the inner bottom surface of the protective cover is provided with the test frame; the test frame is provided with a plurality of clamping devices; the clamping devices comprise a left groove, a right groove, a left contact piece and a right contact piece which are arranged on the same horizontal line; the left contact piece is arranged in the left groove, and the left contact piece is connected with the left side wall of the left groove through a spring; the right contact piece is arranged in the right groove, and the right contact piece is connected with the right side wall of the right groove through a spring; a relay placing area is arranged between the left contact piece and the right contact piece and used for placing a relay to be tested; the bottoms of the left contact pieces are connected in series and electrically connected with the travel switch, the bottoms of the right contact pieces are connected in series and electrically connected with the voltage-resistant tester, and the travel switch is electrically connected with the voltage-resistant tester.
Furthermore, the test jig is made of bakelite, so that the insulation effect is better and firmer.
Furthermore, the left contact piece and the right contact piece are made of electromagnetic pure iron, and the conductivity is better.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model realizes the automatic series voltage withstand test of a plurality of relays through the specially designed protective cover and the test frame, improves the test efficiency, is convenient for manual operation, and can ensure the operation safety; the test frame is suitable for relays of various specifications, can be used for simultaneously carrying out voltage withstanding tests on relays of different specifications, and is wide in application range.
Drawings
Fig. 1 is a schematic structural diagram of a relay withstand voltage testing apparatus described in the present invention.
Description of reference numerals:
the drawing comprises a withstand voltage tester 1, a protective cover 2, a sealing cover 3, a testing frame 4, a left groove 5, a right groove 6, a left contact piece 7, a right contact piece 8, a spring 9 and a travel switch 10.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
Please refer to the attached drawing 1 in the description, the present invention relates to a relay voltage withstanding testing apparatus, which comprises a voltage withstanding tester 1, a testing frame 4 and a protection cover 2. The protective cover 2 is arranged on the pressure resistance tester 1; the protective cover 2 is a hollow box body which is low in front and high in back and is provided with an opening at the upper part, a sealing cover 3 is arranged at the opening at the upper part of the protective cover 2, and the sealing cover 3 is hinged with the back side wall of the protective cover 2; at least one travel switch 10 is arranged at an opening above the protective cover 2.
The inner bottom surface of the protective cover 2 is provided with the test frame 4; the test rack 4 is provided with a plurality of clamping devices, preferably, but not limited to, only two clamping devices are provided in the embodiment.
The clamping devices comprise a left groove 5, a right groove 6, a left contact piece 7 and a right contact piece 8 which are arranged on the same horizontal line; the left contact piece 7 is arranged in the left groove 5, and the left contact piece 7 is connected with the left side wall of the left groove 5 through a spring 9; the right contact piece 8 is arranged in the right groove 6, and the right contact piece 8 is connected with the right side wall of the right groove 6 through a spring 9; and a relay placing area is arranged between the left contact piece 7 and the right contact piece 8 and used for placing a relay to be tested. Preferably, but not by way of limitation, the two clamping means in this embodiment comprise in total two left recesses 5, two right recesses 6, two left contact tabs 7 and two right contact tabs 8. The bottoms of the two left contact pieces 7 are connected in series and electrically connected with the travel switch 10, the bottoms of the two right contact pieces 8 are connected in series and electrically connected with the withstand voltage tester 1, and the travel switch 10 is electrically connected with the withstand voltage tester 1.
Preferably, but not limitatively, only one travel switch 10 is provided in the present embodiment. Preferably, but not limited to, the travel switch 10 includes a switch body, a contact, and a contact spring. The switch body is arranged at an opening above the protective cover 2, and the contact is arranged on the upper surface of the switch body. The initial state of the contact spring is that one end of the contact spring is fixedly connected with one side of the switch body, and the other end of the contact spring is arranged above the contact. When the sealing cover 3 is covered, the contact spring is connected with the contact, and the circuit is conducted; when the sealing cover 3 is opened, the contact spring is reset, the contact is disconnected, and the circuit is disconnected. The method is convenient and safe to operate.
Preferably, but not limited to, the test frame 4 is made of bakelite.
Preferably, but not limited to, the left contact piece 7 and the right contact piece 8 are made of electromagnetic pure iron.
Preferably, but not limited to, the protective cover 2 can be made of transparent insulating material, so that the operation safety can be ensured, and the situation of the withstand voltage test can be clearly observed.
The utility model discloses a use method does: and placing the relay to be tested in a relay placing area between the left contact piece 7 and the right contact piece 8 of the clamping device. According to the size of the relay, the relay pushes the left contact piece 7 and the right contact piece 8 to the left end and the right end, and the spring 9 is stressed to deform, so that a reaction force is applied to the left contact piece 7 and the right contact piece 8; due to the action of the reaction force of the spring 9, the left contact piece 7 and the right contact piece 8 can be fully contacted with the terminal of the relay to be tested during testing, so that the relay to be tested is conducted. And then close sealed lid 3, put through travel switch 10, make the withstand voltage test circuit of whole relay switch on, can effectively ensure that during the test, operating personnel is in safe region all the time.
The above embodiments are merely preferred embodiments of the present disclosure, which are not intended to limit the present disclosure, and any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present disclosure, should be included in the scope of the present disclosure.
Claims (1)
1. The utility model provides a withstand voltage testing device of relay, includes withstand voltage tester, test jig and safety cover, its characterized in that: the protective cover is arranged on the pressure resistance tester; the protective cover is a hollow box body which is low in front and high in back and is provided with an opening at the upper part, a sealing cover is arranged at the opening at the upper part of the protective cover, and the sealing cover is hinged with the back side wall of the protective cover; at least one travel switch is arranged at an opening above the protective cover; the inner bottom surface of the protective cover is provided with the test frame; the test frame is provided with a plurality of clamping devices; the clamping devices comprise a left groove, a right groove, a left contact piece and a right contact piece which are arranged on the same horizontal line; the left contact piece is arranged in the left groove, and the left contact piece is connected with the left side wall of the left groove through a spring; the right contact piece is arranged in the right groove, and the right contact piece is connected with the right side wall of the right groove through a spring; a relay placing area is arranged between the left contact piece and the right contact piece and used for placing a relay to be tested; the bottoms of the left contact pieces are connected in series and electrically connected with the travel switch, the bottoms of the right contact pieces are connected in series and electrically connected with the voltage-resistant tester, and the travel switch is electrically connected with the voltage-resistant tester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920805635.7U CN210270051U (en) | 2019-05-30 | 2019-05-30 | Relay voltage-withstand test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920805635.7U CN210270051U (en) | 2019-05-30 | 2019-05-30 | Relay voltage-withstand test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210270051U true CN210270051U (en) | 2020-04-07 |
Family
ID=70039708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920805635.7U Expired - Fee Related CN210270051U (en) | 2019-05-30 | 2019-05-30 | Relay voltage-withstand test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210270051U (en) |
-
2019
- 2019-05-30 CN CN201920805635.7U patent/CN210270051U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200407 |