CN204178998U - A kind of vacuum circuit-breaker - Google Patents
A kind of vacuum circuit-breaker Download PDFInfo
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- CN204178998U CN204178998U CN201420671015.6U CN201420671015U CN204178998U CN 204178998 U CN204178998 U CN 204178998U CN 201420671015 U CN201420671015 U CN 201420671015U CN 204178998 U CN204178998 U CN 204178998U
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- contact arm
- groove
- temperature measuring
- measuring equipment
- breaker
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Abstract
A kind of vacuum circuit-breaker, belongs to high-voltage switch gear technical field.The pole comprise breaker body, being connected with breaker body, described pole is provided with contact arm, described contact arm is arranged with power taking ring in the one end be connected with pole, described contact arm is provided with contact in the one end away from pole, feature: described contact arm is formed with hollow reservoir in the middle of axially, in described hollow reservoir, be provided with temperature measuring equipment, described temperature measuring equipment and power taking ring realize being electrically connected.Advantage: in the hollow reservoir that contact arm is located at by temperature measuring equipment and installation integrated with contact arm structure, ensure that the insulating properties of circuit breaker.
Description
Technical field
The utility model belongs to high-voltage switch gear technical field, is specifically related to a kind of vacuum circuit-breaker.
Background technology
Vacuum circuit-breaker is most important control device in electric power system, and its reliability of running status on electric power system has important impact.
Vacuum circuit-breaker mainly includes breaker body, pole, contact arm and contact, and contact is arranged on contact arm, and contact arm is arranged on pole, and pole is connected on breaker body.Circuit breaker and switch cabinet bus are electrically connected by contact, and this connects for being slidably connected.Electric power system generation security incident has greatly reason to be cause because contact is overheated, and contact is overheated a time course, is not just occur suddenly.Therefore, it is possible to carry out Real-Time Monitoring to contact spot temperature, give warning in advance to accident, prevent the generation of security incident, tool is of great significance.
In prior art, have the vacuum circuit-breaker of contact arm spot temperature on-line monitoring function, its structure disclosed by Fig. 1, and this temperature measuring equipment 5 is directly installed on the outside of contact arm 4, reduces the insulation property of circuit breaker.
In view of above-mentioned prior art, be necessary to be improved the mounting structure of existing temperature measuring equipment on vacuum circuit-breaker.For this reason, the applicant has done useful design, defines technical scheme described below.
Summary of the invention
Task of the present utility model to provide a kind of vacuum circuit-breaker, and it, by temperature measuring equipment and contact arm integrative installation technology, ensure that the insulation property of circuit breaker.
Task of the present utility model has been come like this, a kind of vacuum circuit-breaker, the pole comprise breaker body, being connected with breaker body, described pole is provided with contact arm, described contact arm is arranged with power taking ring in the one end be connected with pole, described contact arm is provided with contact in the one end away from pole, it is characterized in that: described contact arm is formed with hollow reservoir in the middle of axially, in described hollow reservoir, be provided with temperature measuring equipment, described temperature measuring equipment and power taking ring realize being electrically connected.
In a specific embodiment of the present utility model, described temperature measuring equipment is wrapped with a cylindrical silicone rubber sleeve, the diameter of described silicone rubber sleeve and the diameter of hollow reservoir match, by the strain of silicone rubber sleeve, temperature measuring equipment is fixed on installation integrated with contact arm structure in described hollow reservoir.
In another specific embodiment of the present utility model, the contact site place that the installation site of described temperature measuring equipment in hollow reservoir is connected with contact for contact arm.
In another specific embodiment of the present utility model, described contact arm offers groove, in described groove, be equipped with wire, one end of described wire is connected with power taking ring, and the other end of wire is connected with temperature measuring equipment.
In another specific embodiment of the present utility model, the second groove that described groove comprises the first groove and is connected with the first groove, wherein: the first groove is a groove not running through contact arm arm body, the second groove is a groove running through contact arm arm body.
Also have in a specific embodiment of the present utility model, described temperature measuring equipment adopts wireless mode to realize being connected with the intelligent control unit arranged on-board the circuit breaker.
In an of the present utility model and then specific embodiment, described temperature measuring equipment includes temperature sensor, thermometric microprocessor and wireless launcher, described wireless launcher outwards can lean out from the second groove of contact arm, to ensure the smooth transmitting of wireless signal.
The utility model is owing to adopting after said structure, and the beneficial effect had: in the hollow reservoir that contact arm is located at by temperature measuring equipment and installation integrated with contact arm structure, ensure that the insulating properties of circuit breaker.
Accompanying drawing explanation
Fig. 1 is the assembling schematic diagram of temperature measuring equipment in prior art.
Fig. 2 is an example structure sketch of the present utility model.
Fig. 3 is the matching chart of the contact arm described in Fig. 2 embodiment, power taking ring, contact and temperature measuring equipment.
Fig. 4 is the vertical view of Fig. 3.
Fig. 5 is the structure diagram of temperature measuring equipment described in the utility model.
In figure: 1. breaker body; 2. pole, 21. contact arms, 211. hollow reservoir, 212. grooves, 2121. first grooves, 2122. second grooves, 213. contact sites; 3. power taking ring; 4. contact; 5. temperature measuring equipment, 51. temperature sensors, 52. thermometric microprocessors, 53. antenna emitters; 6. wire.
Embodiment
Technical spirit of the present utility model and beneficial effect can be fully understood in order to make the public; applicant will describe in detail embodiment of the present utility model below by reference to the accompanying drawings; but applicant is not the restriction to technical scheme to the description of embodiment, any changing in the form rather than substance according to the utility model design all should be considered as protection range of the present utility model.
Refer to Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the utility model relates to a kind of vacuum circuit-breaker, the pole 2 comprise breaker body 1, being connected with breaker body 1, described pole 2 is provided with contact arm 21, one end that described contact arm 21 is being connected with pole 2 is arranged with power taking ring 3, described contact arm 21 is provided with contact 4 in the one end away from pole 2, described contact arm 21 is formed with hollow reservoir 211 in the middle of axially, in described hollow reservoir 211, be provided with temperature measuring equipment 5, described temperature measuring equipment 5 realizes being electrically connected with power taking ring 3.Wherein, described temperature measuring equipment 5 is wrapped with a rounded silicone rubber sleeve by the mode of die casting at it, the diameter of described silicone rubber sleeve and the diameter of hollow reservoir 211 match, by the strain of silicone rubber sleeve, temperature measuring equipment 5 is fixed in described hollow reservoir 211 with the integrated installation of contact arm 21 structure.
Temperature measuring equipment 5 described in the utility model adopts wireless mode to realize being connected with the intelligent control unit arranged on-board the circuit breaker.Described temperature measuring equipment 5 includes temperature sensor 51, thermometric microprocessor 52 and wireless launcher 53.Particularly, the position that described contact arm 21 is being connected with contact 4 is formed with contact site 213, and the temperature at described contact site 213 place is the highest, and therefore temperature sensor 51 is arranged in the hollow reservoir 211 of this position, and is affixed tactile with described contact site 213.Temperature signal is converted into the signal of telecommunication by the temperature sensor 51 of described temperature measuring equipment 5, processed by thermometric microprocessor 52, transmit through wireless launcher 53 again, then to be received by the intelligent control unit in intelligent breaker and after processing, carry out corresponding overheating warning, send the signal of breaking circuit breaker if desired.
Contact arm 21 described in the utility model offers groove 212, in described groove 212, is equipped with wire 6, one end of described wire 6 is connected with power taking ring 3, the other end is connected with temperature measuring equipment 5.The second groove 2122 that described groove 212 comprises the first groove 2121 and is connected with the first groove 2121, wherein: the first groove 2121 is a groove not running through contact arm 21 arm body, second groove 2122 is a groove running through contact arm 21 arm body, in described first groove 2121, row is provided with wire 6, one end of described wire 6 is connected with power taking ring 3, and the other end of wire 6 is connected with the temperature measuring equipment 5 in the hollow reservoir 211 being arranged on contact arm 21.When contact arm 21 has electric current to flow through, i.e. primary circuit energising, because Hall effect produces induced electromotive force in power taking ring 3, this induced electromotive force passes through the transmission of wire 6, for temperature measuring equipment 5 provides sufficient and stable power supply.Meanwhile, in order to ensure the smooth transmitting of wireless signal, wireless launcher 53 outwards can lean out in the second groove 2122.
Claims (7)
1.
a kind of vacuum circuit-breaker, comprise breaker body (1), the pole (2) be connected with breaker body (1), described pole (2) is provided with contact arm (21), one end that described contact arm (21) is being connected with pole (2) is arranged with power taking ring (3), described contact arm (21) is provided with contact (4) in the one end away from pole (2), it is characterized in that: described contact arm (21) is formed with hollow reservoir (211) in the middle of axially, temperature measuring equipment (5) is provided with in described hollow reservoir (211), described temperature measuring equipment (5) realizes being electrically connected with power taking ring (3).
2.
a kind of vacuum circuit-breaker according to claim 1, it is characterized in that described temperature measuring equipment (5) is wrapped with a cylindrical silicone rubber sleeve, the diameter of the diameter of described silicone rubber sleeve and hollow reservoir (211) matches, by the strain of silicone rubber sleeve, temperature measuring equipment (5) is fixed in described hollow reservoir (211) with the integrated installation of contact arm (21) structure.
3.
a kind of vacuum circuit-breaker according to claim 1, is characterized in that the described installation site of temperature measuring equipment (5) in hollow reservoir (211) is both contact site (213) places of being connected of contact arm (21) and contact (4).
4.
a kind of vacuum circuit-breaker according to claim 1, it is characterized in that described contact arm (21) offers groove (212), wire (6) is equipped with in described groove (212), one end of described wire (6) is connected with power taking ring (3), and the other end of wire (6) is connected with temperature measuring equipment (5).
5.
a kind of vacuum circuit-breaker according to claim 4, it is characterized in that the second groove (2122) that described groove (212) comprises the first groove (2121) and is connected with the first groove (2121), wherein: the first groove (2121) is a groove not running through contact arm (21) arm body, the second groove (2122) is a groove running through contact arm (21) arm body.
6.
a kind of vacuum circuit-breaker according to claim 1, is characterized in that described temperature measuring equipment (5) adopts wireless mode to realize being connected with the intelligent control unit arranged on-board the circuit breaker.
7.
a kind of vacuum circuit-breaker according to claim 5, it is characterized in that described temperature measuring equipment (5) includes temperature sensor (51), thermometric microprocessor (52) and wireless launcher (53), described wireless launcher (53) outwards can lean out from second groove (2122) of contact arm (21), to ensure the smooth transmitting of wireless signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420671015.6U CN204178998U (en) | 2014-11-12 | 2014-11-12 | A kind of vacuum circuit-breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420671015.6U CN204178998U (en) | 2014-11-12 | 2014-11-12 | A kind of vacuum circuit-breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204178998U true CN204178998U (en) | 2015-02-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420671015.6U Active CN204178998U (en) | 2014-11-12 | 2014-11-12 | A kind of vacuum circuit-breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204178998U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104792427A (en) * | 2015-04-17 | 2015-07-22 | 厦门Abb开关有限公司 | Open type large-current contact arm temperature measurement device |
| CN104992875A (en) * | 2015-07-09 | 2015-10-21 | 新疆特变电工自控设备有限公司 | Intelligent plateau alphine-cold vacuum circuit breaker |
| CN111712896A (en) * | 2018-02-13 | 2020-09-25 | Abb瑞士股份有限公司 | Wireless sensing systems and methods for switching devices |
-
2014
- 2014-11-12 CN CN201420671015.6U patent/CN204178998U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104792427A (en) * | 2015-04-17 | 2015-07-22 | 厦门Abb开关有限公司 | Open type large-current contact arm temperature measurement device |
| CN104992875A (en) * | 2015-07-09 | 2015-10-21 | 新疆特变电工自控设备有限公司 | Intelligent plateau alphine-cold vacuum circuit breaker |
| CN111712896A (en) * | 2018-02-13 | 2020-09-25 | Abb瑞士股份有限公司 | Wireless sensing systems and methods for switching devices |
| CN111712896B (en) * | 2018-02-13 | 2022-11-01 | Abb瑞士股份有限公司 | Wireless sensing systems and methods for switching devices |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |