CN210294390U - Contact arm measuring ring device for vacuum circuit breaker - Google Patents
Contact arm measuring ring device for vacuum circuit breaker Download PDFInfo
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- CN210294390U CN210294390U CN201921177381.5U CN201921177381U CN210294390U CN 210294390 U CN210294390 U CN 210294390U CN 201921177381 U CN201921177381 U CN 201921177381U CN 210294390 U CN210294390 U CN 210294390U
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- circuit breaker
- current detection
- contact arm
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Abstract
The utility model discloses a touch arm measuring annular device for a vacuum circuit breaker, which comprises an induction electric ring and a current detection ring, wherein the induction electric ring and the current detection ring are opposite to each other, a central control system is connected between the induction electric ring and the current detection ring, and the device also comprises a temperature sensor which is fixed on one side of the central control system towards the center of the induction electric ring or the current detection ring; the central control system comprises a power supply module, a wireless communication module and a processing module; the power supply module is used for receiving the electric energy generated by the induction loop and supplying power to the wireless communication module, the processing module and the temperature sensor; the input end of the processing module is connected with the current detection ring and the temperature sensor, and the output end of the processing module is connected with the wireless communication module. The utility model discloses be used for solving prior art breaker and touch the monitoring mode singleness of arm, temperature measurement result can't with the problem of the linkage of electric current size, realize stable acquireing the circuit breaker and touch arm real-time supervision data, can be with the purpose that temperature and electric current information linkage were handled.
Description
Technical Field
The utility model relates to a vacuum circuit breaker field, concretely relates to touch arm measurement ring device for vacuum circuit breaker.
Background
Vacuum circuit breakers are promising power switching devices in the low-voltage and medium-voltage fields, and are switching apparatuses using vacuum as an insulating and arc-extinguishing medium. Gas molecules in vacuum are very rare, and the probability of collision between electrons and molecules is very small, so that the insulating strength of the vacuum circuit breaker is very high. Compared with other types of circuit breakers, the vacuum circuit breaker has the advantages of safety, reliability, long service life, small maintenance workload, no environmental pollution and the like.
In the working process of the circuit breaker, if the temperature of a main loop is overhigh, heating and oxidation can be accelerated, so that the phenomena of contact finger melting and falling, contact burning, insulating material failure and the like are caused, and even combustion and explosion are caused in severe cases. In the prior art, the monitoring mode of the contact arm of the circuit breaker can only be used for measuring the temperature singly, and cannot be linked with the specific current, so that the measurement result only has reference and cannot be directly analyzed by using the measurement result.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a touch arm and measure annular device for vacuum circuit breaker to it is single to solve the monitoring mode that the arm was touched to the circuit breaker among the prior art, and temperature measurement result can't with the problem of the linkage of electric current size, realizes stable acquireing circuit breaker and touches arm real-time supervision data, can be with the purpose that temperature and electric current information linkage were handled.
The utility model discloses a following technical scheme realizes:
the annular device for measuring the contact arm of the vacuum circuit breaker comprises an induction electric ring and a current detection ring, wherein the induction electric ring and the current detection ring are opposite to each other, a central control system is connected between the induction electric ring and the current detection ring, and the annular device also comprises a temperature sensor which is fixed on one side of the central control system facing to the direction of the center of the induction electric ring or the current detection ring; the central control system comprises a power supply module, a wireless communication module and a processing module; the power supply module is used for receiving electric energy generated by the induction loop and supplying power to the wireless communication module, the processing module and the temperature sensor; the input end of the processing module is connected with the current detection ring and the temperature sensor, and the output end of the processing module is connected with the wireless communication module.
The monitoring mode that touches the arm to circuit breaker among the prior art is single, the unable problem that links with the electric current size of temperature measurement result, the utility model provides a touch arm measurement ring device for vacuum circuit breaker, response electrical ring, current detection ring all are cyclic annularly, and the direct cover of being convenient for is established on the circuit breaker touches the arm. The induction electric ring is used for obtaining induction current, the current detection ring is used for monitoring the current in the contact arm of the circuit breaker in real time, the induction electric ring and the current detection ring are connected with a central control system, and the central control system plays a role in connection at first so that the induction electric ring and the current detection ring are connected into a whole. The center control system is towards the fixed temperature sensor of induction ring or current detection ring centre of a circle direction one side, it is that temperature sensor is towards the circuit breaker and touches arm place direction promptly, and including power module, wireless communication module, processing module in the center control system, power module is used for receiving the induced-current that induction ring produced and stores, these electric energy of storing are used for supplying power to wireless communication module, processing module, temperature sensor, make this application can be stable keep automatic work, need not additionally to provide power supply. The input end of the processing module is connected with the current detection ring and the temperature sensor, and the output end of the processing module is connected with the wireless communication module, so that current and temperature information monitored by the current detection ring and the temperature sensor in real time are firstly transmitted to the processing module to be processed, then transmitted to the wireless communication module and sent out by the wireless communication module. This application carries out the transmission of signal through wireless communication module, can realize real-time supervision, protection circuit breaker and switchgear's effect. The problem of prior art breaker contact arm's monitoring mode singleness, temperature measurement result can't link with the electric current size is solved in this application, has realized stable acquireing circuit breaker and has touched arm real-time supervision data, can be with the purpose of temperature and current information linkage processing.
The induction electric ring is coaxial with the current detection ring and is sleeved outside the contact arm of the circuit breaker; the central control system is connected to the tops of the induction electric ring and the current detection ring, the temperature sensor is arranged on the lower surface of the central control system, and the temperature sensor is in contact with the contact arm of the circuit breaker. The induction electrical ring is coaxial with the current detection ring, so that the simultaneous stable sleeve between the induction electrical ring and the current detection ring is conveniently ensured to be arranged on the contact arm of the circuit breaker, the central control system is connected to the top of the induction electrical ring and the current detection ring, and the temperature sensor is arranged on the lower surface of the central control system.
The induction loop is a current transformer.
The current detection ring is a Rogowski coil.
The processing module is an analog-to-digital converter.
The bottom end of the induction electric ring or the current detection ring is fixed with a bearing plate, and the upper surface of the bearing plate is provided with a groove matched with the bottom of the contact arm of the circuit breaker. The bottom phase-match of arm is touched with the circuit breaker to the recess provides the storage tank for the circuit breaker touches the arm, makes the circuit breaker touch the bottom of arm and carries out the cladding by the recess, holds this device by the bearing board, improves the job stabilization nature of this device.
The two opposite sides of the bearing plate are hinged with the clamping plates through hinges, and the clamping plates are connected with the outer wall of the bearing plate through tension springs. When the circuit breaker touches the arm and places in the recess, the grip block of both sides is by the extension spring to the inboard pulling, and then the grip block board touches the both sides of arm at the circuit breaker, touches the arm tightly to clip with the circuit breaker from both sides by the grip block to make this device and circuit breaker touch the static frictional force between the arm very big, provide this application and circuit breaker and touch the relative connection stability between the arm, avoid this application to touch the axial of arm along the circuit breaker and produce the slip displacement easily, show the stability that improves this application on-line monitoring in-process.
The inner side surface of the clamping plate is provided with a plurality of convex teeth. Improve the frictional resistance between grip block and the circuit breaker contact arm through the dogtooth, further guarantee the stability in use of this application.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
the utility model discloses a touch arm and measure annular device for vacuum circuit breaker, the maintenance automatic work that can be stable need not additionally to provide power supply. The input end of the processing module is connected with the current detection ring and the temperature sensor, and the output end of the processing module is connected with the wireless communication module, so that current and temperature information monitored by the current detection ring and the temperature sensor in real time are firstly transmitted to the processing module to be processed, then transmitted to the wireless communication module and sent out by the wireless communication module. This application carries out the transmission of signal through wireless communication module, can realize real-time supervision, protection circuit breaker and switchgear's effect. The problem of prior art breaker contact arm's monitoring mode singleness, temperature measurement result can't link with the electric current size is solved in this application, has realized stable acquireing circuit breaker and has touched arm real-time supervision data, can be with the purpose of temperature and current information linkage processing.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
fig. 2 is a side view of embodiment 1 of the present invention;
fig. 3 is a schematic connection diagram of the central control system according to embodiment 1 of the present invention;
fig. 4 is a schematic view of the whole circuit breaker according to embodiment 1 of the present invention;
fig. 5 is a schematic structural diagram of embodiment 2 of the present invention;
fig. 6 is a partial schematic view of a support plate according to embodiment 2 of the present invention.
Reference numbers and corresponding part names in the drawings:
1-a circuit breaker operating mechanism, 2-a solid-sealed pole, 3-a circuit breaker contact arm, 4-a circuit breaker contact, 5-a contact arm measuring annular device, 51-an inductive electric ring, 52-a central control system, 53-a temperature sensor, 54-a current detecting ring, 55-a bearing plate, 56-a groove, 57-a clamping plate and 58-a tension spring.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Example 1:
as shown in fig. 1 to 4, the annular contact arm measuring device for a vacuum circuit breaker includes an induction electric ring 51, a current detection ring 54, the induction electric ring 51 and the current detection ring 54 are opposite to each other, a central control system 52 is connected between the induction electric ring 51 and the current detection ring 54, and a temperature sensor 53 fixed on one side of the central control system 52 facing the direction of the center of the induction electric ring 51 or the current detection ring 54; the central control system 52 comprises a power supply module, a wireless communication module and a processing module; the power supply module is used for receiving the electric energy generated by the induction electric ring 51 and supplying power to the wireless communication module, the processing module and the temperature sensor 53; the input end of the processing module is connected with the current detection ring 54 and the temperature sensor 53, and the output end of the processing module is connected with the wireless communication module. The induction electric ring 51 is coaxial with the current detection ring 54 and is sleeved outside the circuit breaker contact arm 3; the central control system 52 is connected to the top of the induction electric ring 51 and the current detection ring 54, the temperature sensor 53 is arranged on the lower surface of the central control system 52, and the temperature sensor 53 is in contact with the circuit breaker contact arm 3.
Preferably, the inductive loop 51 is a current transformer. The current detection loop 54 is a rogowski coil. The processing module is an analog-to-digital converter.
Example 2:
as shown in fig. 5 and fig. 6, in the contact arm measuring ring device for a vacuum circuit breaker, on the basis of embodiment 1, a bottom end of the inductive electric ring 51 or the current detection ring 54 is fixed with a support plate 55, and an upper surface of the support plate 55 is provided with a groove 56 matched with the bottom of the circuit breaker contact arm 3. The opposite two sides of the bearing plate 55 are hinged with a clamping plate 57 through hinges, and the clamping plate 57 is connected with the outer wall of the bearing plate 55 through a tension spring 58. The inner side surface of the clamping plate 57 is provided with a plurality of convex teeth.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. The annular device for measuring the contact arm of the vacuum circuit breaker is characterized by comprising an induction electric ring (51) and a current detection ring (54), wherein the induction electric ring (51) and the current detection ring (54) are opposite to each other, a central control system (52) is connected between the induction electric ring (51) and the current detection ring (54), and the annular device further comprises a temperature sensor (53) which is fixed on one side of the central control system (52) facing to the direction of the circle center of the induction electric ring (51) or the current detection ring (54); the central control system (52) comprises a power supply module, a wireless communication module and a processing module; the power supply module is used for receiving electric energy generated by the induction electric ring (51) and supplying power to the wireless communication module, the processing module and the temperature sensor (53); the input end of the processing module is connected with the current detection ring (54) and the temperature sensor (53), and the output end of the processing module is connected with the wireless communication module.
2. Contact arm measuring ring device for vacuum circuit breaker according to claim 1, characterized in that said inductive electric ring (51) is coaxial to the current detection ring (54) and is all sleeved outside the circuit breaker contact arm (3); the central control system (52) is connected to the tops of the induction electric ring (51) and the current detection ring (54), the temperature sensor (53) is arranged on the lower surface of the central control system (52), and the temperature sensor (53) is in contact with the circuit breaker contact arm (3).
3. Contact arm measuring ring device for vacuum circuit breakers according to claim 1, characterized in that said inductive electric ring (51) is a current transformer.
4. Contact arm measuring ring device for vacuum circuit breakers according to claim 1, characterized in that said current detection ring (54) is a rogowski coil.
5. The contact arm measurement ring assembly for a vacuum interrupter of claim 1, wherein the processing module is an analog to digital converter.
6. The contact arm measuring ring assembly for vacuum circuit breaker according to claim 2, wherein the bottom end of the inductive electric ring (51) or the current detecting ring (54) is fixed with a support plate (55), and the upper surface of the support plate (55) is provided with a groove (56) matched with the bottom of the circuit breaker contact arm (3).
7. The contact arm measuring ring device for the vacuum circuit breaker according to claim 6, wherein opposite sides of the supporting plate (55) are hinged with a clamping plate (57) through hinges, and the clamping plate (57) is connected with the outer wall of the supporting plate (55) through a tension spring (58).
8. The contact arm measuring ring apparatus for a vacuum circuit breaker according to claim 7, wherein the inner side surface of the clamping plate (57) is provided with a plurality of convex teeth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921177381.5U CN210294390U (en) | 2019-07-24 | 2019-07-24 | Contact arm measuring ring device for vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921177381.5U CN210294390U (en) | 2019-07-24 | 2019-07-24 | Contact arm measuring ring device for vacuum circuit breaker |
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| Publication Number | Publication Date |
|---|---|
| CN210294390U true CN210294390U (en) | 2020-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921177381.5U Active CN210294390U (en) | 2019-07-24 | 2019-07-24 | Contact arm measuring ring device for vacuum circuit breaker |
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| CN (1) | CN210294390U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110286265A (en) * | 2019-07-24 | 2019-09-27 | 四川电器集团股份有限公司 | Contact arm measure annular device for vacuum circuit breaker |
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2019
- 2019-07-24 CN CN201921177381.5U patent/CN210294390U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110286265A (en) * | 2019-07-24 | 2019-09-27 | 四川电器集团股份有限公司 | Contact arm measure annular device for vacuum circuit breaker |
| CN110286265B (en) * | 2019-07-24 | 2024-05-10 | 河北杰能电气设备有限公司 | Contact arm measuring ring device for vacuum circuit breaker |
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