CN211374976U - Vacuum circuit breaker testing device - Google Patents
Vacuum circuit breaker testing device Download PDFInfo
- Publication number
- CN211374976U CN211374976U CN201921589516.9U CN201921589516U CN211374976U CN 211374976 U CN211374976 U CN 211374976U CN 201921589516 U CN201921589516 U CN 201921589516U CN 211374976 U CN211374976 U CN 211374976U
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- switch
- socket
- transformer
- rectifier bridge
- point
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Abstract
The utility model discloses a vacuum circuit breaker testing device, relating to the technical field of electrical engineering; the live wire of a power line is connected with one side of a first fuse protector, the other side of the first fuse protector is connected with a primary side input point 1 of a transformer, a zero line of the power line is connected with a primary side input point 2 of the transformer, three-point outputs of a secondary side of the transformer are respectively 127V, 50V and a common point, a 127V output point of the secondary side of the transformer is connected with one side of a second fuse protector, the other side of the second fuse protector is connected with one side of a button SB, the other side of the button is respectively connected with one input side of a rectifier bridge, a socket 4, a socket 6 and a; the utility model uses the AC 220V low voltage power supply to operate, can test the vacuum circuit breakers used by vacuum feed switches of seven different manufacturers and models, and has simple structure; the device is flexible, light, reasonable in design, strong in compatibility and simple in operation.
Description
Technical Field
The utility model belongs to the technical field of electrical engineering, concretely relates to vacuum circuit breaker testing device.
Background
The mining explosion-proof vacuum feed switch is used as a main switch and a branch switch of a coal mine power supply system or used as a feed switch for a mining explosion-proof mobile substation, and has the functions of overload, short circuit, undervoltage, leakage protection and the like. The vacuum circuit breaker is an actuating mechanism for switching on and off a main circuit of the mining vacuum feed switch. In the maintenance process of the vacuum circuit breaker, an alternating current 1140V or 660V power supply is needed to perform an action test of the vacuum circuit breaker, the steps are complex, the operation safety is not high enough, and equipment damage and safety accidents are easy to occur.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems of the prior art; an object of the utility model is to provide a vacuum circuit breaker test device.
The utility model discloses a vacuum circuit breaker testing device, which comprises a shell, a first fuse protector, a second fuse protector, a third fuse protector, a transformer, a first rectifier bridge and a second rectifier bridge; a first fuse protector, a second fuse protector, a third fuse protector, a transformer, a first rectifier bridge and a second rectifier bridge are arranged in the shell, a live wire of a power line is connected with one side of the first fuse protector, the other side of the first fuse protector is connected with a primary side input point 1 of the transformer, a zero line of the power line is connected with a primary side input point 2 of the transformer, three-point outputs of a secondary side of the transformer are respectively 127V, 50V and a common point, a 127V output point of the secondary side of the transformer is connected with one side of the second fuse protector, the other side of the second fuse protector is connected with one side of a button SB, the other, the other input side of the first rectifier bridge is connected with a common point of the secondary side of the transformer, a positive voltage output point of the first rectifier bridge is connected with the socket 1, the socket 2, the socket 3 and the socket 5, and a negative voltage output point of the first rectifier bridge is connected with the socket 1, the socket 2, the socket 3 and the socket 5; the output point of the transformer secondary side 50V is connected with one side of a fuse, the other side of the fuse is respectively connected with one side of a rectifier bridge II input, one side of a switch 41, one side of a switch 42, one side of a switch 61, one side of a switch 62, one side of a switch 71 and one side of a switch 72, the other side of the rectifier bridge II input is connected with a transformer secondary side common point, the positive voltage output point of the rectifier bridge II is connected with a switch 11, a switch 12, a switch 21, a switch 22, a switch 31, a switch 32, a switch 51 and a switch 52, the negative voltage output point of the rectifier bridge II is connected with a socket 1, a socket 2, a socket 3 and a socket 5, the other side of the switch 11 is connected with a socket 1, the other side of the switch 12 is connected with a socket 1, the other side of the switch 21 is connected with a socket, the other side of the switch 51 is connected with the socket 5, the other side of the switch 52 is connected with the socket 5, the other side of the switch 61 is connected with the socket 6, the other side of the switch 62 is connected with the socket 6, the other side of the switch 71 is connected with the socket 7, and the other side of the switch 72 is connected with the socket 7; the output point of the common point of the secondary side of the transformer is respectively connected with the socket 4, the socket 6 and the socket 7.
Preferably, the bottom of the housing is fixedly provided with universal wheels.
Compared with the prior art, the beneficial effects of the utility model are that:
the vacuum circuit breakers used by vacuum feed switches of seven different manufacturers and models can be tested by using an alternating-current 220V low-voltage power supply for operation, and the structure is simple;
and secondly, the device is flexible, light, reasonable in design, strong in compatibility and simple in operation.
Drawings
For ease of illustration, the invention is described in detail by the following detailed description and accompanying drawings.
Fig. 1 is a circuit diagram of the present invention;
fig. 2 is a front view of the present invention.
In the figure: a TC-transformer; FU 1-first fuse; FU 2-protector two; FU 3-insurance III; SB-button; ZL 1-rectifier bridge I; ZL 2-rectifier bridge II; QS 11-switch 11; QS 12-switch 12; QS 21-switch 21; QS 22-switch 22; QS 31-switch 31; QS 32-switch 32; QS 41-switch 41; QS 42-switch 42; QS 51-switch 51; QS 52-switch 52; QS 61-switch 61; QS 62-switch 62; QS 71-switch 71; QS 72-switch 72.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described below with reference to specific embodiments shown in the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
It should also be noted that, in order to avoid obscuring the invention with unnecessary details, only the structures and/or process steps that are closely related to the solution according to the invention are shown in the drawings, while other details that are not relevant to the invention are omitted.
As shown in fig. 1 and 2, the following technical solutions are adopted in the present embodiment: the transformer comprises a first fuse FU1, a second fuse FU2, a third fuse FU3, a transformer TC, a first rectifier bridge ZL1 and a second rectifier bridge ZL 2; the live wire of a power line is connected with one side of a first fuse FU1, the other side of the first fuse FU1 is connected with a primary side input point 1 of a transformer TC, a zero line of the power line is connected with a primary side input point 2 of the transformer TC, three point outputs of a secondary side of the transformer TC are respectively 127V, 50V and a common point, a 127V output point of the secondary side of the transformer TC is connected with one side of a second fuse ZL2 ZL2, the other side of the second fuse ZL2 is connected with one side of a button SB, the other side of the button SB is respectively connected with one input side of a first rectifier bridge ZL1, a socket 4, a socket 6 and a socket 7, the other input side of the first rectifier bridge 1 is connected with a common point of the secondary side of the transformer TC, a positive voltage output point of a first rectifier bridge 1 is connected with the; the output point of the secondary side 50V of the transformer TC is connected with one side of a fuse three FU3, the other side of the fuse three FU3 is respectively connected with one input side of a rectifier bridge two ZL2, a switch 41QS41, a switch 42 QS42, a switch 61 QS61, a switch 62 QS62, a switch 71 QS71 and one side of a switch 72 QS72, the input side of the rectifier bridge two ZL2 is connected with a common point of the secondary side of the transformer, the positive voltage output point of the rectifier bridge two ZL2 is connected with a switch 11 QS11, a switch 12QS12, a switch 21QS21, a switch 22 QS22, a switch 31 QS31, a switch 32 QS32, a switch 51 QS51 and a switch 52 QS52, the negative voltage output point of the rectifier bridge two 2 is connected with a socket 1, a socket 2, a socket 3 and a socket 5, the other side of the switch 11 QS11 is connected with a socket 1, the other side of the switch 12, the other side of a switch 32 QS32 is connected with the socket 3, the other side of a switch 41QS41 is connected with the socket 4, the other side of a switch 42 QS42 is connected with the socket 4, the other side of a switch 51 QS51 is connected with the socket 5, the other side of a switch 52 QS52 is connected with the socket 5, the other side of a switch 61 QS61 is connected with the socket 6, the other side of a switch 62 QS62 is connected with the socket 6, the other side of a switch 71 QS71 is connected with the; the output point of the common point of the secondary side of the transformer TC is respectively connected with the socket 4, the socket 6 and the socket 7.
The sockets (1 to 7) are used for vacuum circuit breakers of vacuum feed point switches of seven different manufacturers and models. Taking the socket 1 as an example for testing, when the experimental device is used, a plug of the vacuum circuit breaker is inserted into the socket 1, an alternating current 220V power supply is switched on, a button is pressed to pull in a coil to switch on a power supply vacuum circuit breaker, a shunt coil of a switch 11 is switched on to switch off the power supply vacuum circuit breaker, and the switch 11 is switched off; pressing the button to pull in the coil to switch on the power supply vacuum circuit breaker, switching off the 12 under-voltage coil of the switch to switch off the vacuum circuit breaker, and switching on the 12. The test action is completed.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (2)
1. The utility model provides a vacuum circuit breaker testing device which characterized in that: the transformer comprises a shell, a first fuse protector, a second fuse protector, a third fuse protector, a transformer, a first rectifier bridge and a second rectifier bridge; a first fuse protector, a second fuse protector, a third fuse protector, a transformer, a first rectifier bridge and a second rectifier bridge are arranged in the shell, a live wire of a power line is connected with one side of the first fuse protector, the other side of the first fuse protector is connected with a primary side input point 1 of the transformer, a zero line of the power line is connected with a primary side input point 2 of the transformer, three-point outputs of a secondary side of the transformer are respectively 127V, 50V and a common point, a 127V output point of the secondary side of the transformer is connected with one side of the second fuse protector, the other side of the second fuse protector is connected with one side of a button, the other, the other input side of the first rectifier bridge is connected with a common point of the secondary side of the transformer, a positive voltage output point of the first rectifier bridge is connected with the socket 1, the socket 2, the socket 3 and the socket 5, and a negative voltage output point of the first rectifier bridge is connected with the socket 1, the socket 2, the socket 3 and the socket 5; the output point of the transformer secondary side 50V is connected with one side of a fuse, the other side of the fuse is respectively connected with one side of a rectifier bridge II input, one side of a switch 41, one side of a switch 42, one side of a switch 61, one side of a switch 62, one side of a switch 71 and one side of a switch 72, the other side of the rectifier bridge II input is connected with a transformer secondary side common point, the positive voltage output point of the rectifier bridge II is connected with a switch 11, a switch 12, a switch 21, a switch 22, a switch 31, a switch 32, a switch 51 and a switch 52, the negative voltage output point of the rectifier bridge II is connected with a socket 1, a socket 2, a socket 3 and a socket 5, the other side of the switch 11 is connected with a socket 1, the other side of the switch 12 is connected with a socket 1, the other side of the switch 21 is connected with a socket, the other side of the switch 51 is connected with the socket 5, the other side of the switch 52 is connected with the socket 5, the other side of the switch 61 is connected with the socket 6, the other side of the switch 62 is connected with the socket 6, the other side of the switch 71 is connected with the socket 7, and the other side of the switch 72 is connected with the socket 7; the output point of the common point of the secondary side of the transformer is respectively connected with the socket 4, the socket 6 and the socket 7.
2. The vacuum circuit breaker testing apparatus according to claim 1, wherein: the bottom of the shell is fixedly provided with universal wheels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921589516.9U CN211374976U (en) | 2019-09-24 | 2019-09-24 | Vacuum circuit breaker testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921589516.9U CN211374976U (en) | 2019-09-24 | 2019-09-24 | Vacuum circuit breaker testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211374976U true CN211374976U (en) | 2020-08-28 |
Family
ID=72170494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921589516.9U Expired - Fee Related CN211374976U (en) | 2019-09-24 | 2019-09-24 | Vacuum circuit breaker testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211374976U (en) |
-
2019
- 2019-09-24 CN CN201921589516.9U patent/CN211374976U/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 |
Granted publication date: 20200828 Termination date: 20210924 |
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| CF01 | Termination of patent right due to non-payment of annual fee |