CN210325656U - Radiating insulation type contact arm cover of circuit breaker - Google Patents
Radiating insulation type contact arm cover of circuit breaker Download PDFInfo
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- CN210325656U CN210325656U CN201920940210.7U CN201920940210U CN210325656U CN 210325656 U CN210325656 U CN 210325656U CN 201920940210 U CN201920940210 U CN 201920940210U CN 210325656 U CN210325656 U CN 210325656U
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- contact arm
- heat dissipation
- heat
- circuit breaker
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Abstract
The utility model relates to a heat dissipation insulation type contact arm cover of a circuit breaker, which comprises a heat dissipation contact arm cover made of super heat conductive insulating material, wherein the heat dissipation contact arm cover is sleeved on the contact arm of the circuit breaker and is adjacent to or close to the rear end of a plum blossom contact; the utility model discloses a heat dissipation that super heat conduction insulating material made touches arm cover, with its assembly cover on the circuit breaker touches the arm with plum blossom contact rear end neighbouring or adjacent, can be with the hot time too high electric heat that produces of plum blossom contact because of contact failure, touch the quick heat conduction of arm cover internal surface through the heat dissipation and to the surface heat dissipation, in order to reach quick radiating effect, thereby solved among the prior art cubical switchboard and only monitored the circuit breaker and touched the too high warning of plum blossom contact temperature rise on the arm, but can't reduce effectively that the cubical switchboard circuit breaker touches the plum blossom contact on the arm and produces the too high technological problem of temperature rise because of contacting the hot after-line.
Description
Technical Field
The utility model relates to a medium voltage switchgear technical field, more specifically say, relate to a circuit breaker heat dissipation insulation type touches arm cover.
Background
With the large increase of investment in the thirteen-five power industry and the increase of construction of power distribution networks, the principles of urban and rural overall planning, safety, reliability, economy, high efficiency, advanced technology and urban and rural power supply reliability are required to be built, so that the use amount of a switch cabinet is increased, and simultaneously, higher requirements are provided for the reliability and voltage qualification rate index of the switch cabinet, in the existing switch cabinet, too high electric heat generated by a plum blossom contact on a circuit breaker contact arm after poor contact electrification and electric heat generated by the contact arm can not be dissipated in time, and the power failure accident of the switch cabinet is caused by burning loss caused by long-time continuous electrification of the plum blossom contact with poor contact, and the traditional solution is that a temperature sensor is arranged at the rear end of the plum blossom contact on the circuit breaker contact arm of the switch cabinet to monitor temperature rise, when the temperature of the plum blossom contact rises to a monitoring early warning temperature, a monitor immediately gives an alarm, but can not effectively and quickly dissipate heat, so that a method for quickly dissipating the heat of overhigh electric heat generated after the tulip contact is electrified is needed, and the problem of reducing the temperature rise of the tulip contact is a technical problem which needs to be solved urgently.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem lies in, to the above-mentioned defect of prior art, provides a circuit breaker heat dissipation insulation type touches arm cover to solve among the prior art cubical switchboard and only monitor the plum blossom contact temperature rise on the circuit breaker touches the arm and report to the police too high, but can't reduce the cubical switchboard circuit breaker effectively and touch the plum blossom contact on the arm and produce the too high technological problem of temperature rise because of contact failure after electrified.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a circuit breaker heat dissipation insulation type touches arm cover, wherein, includes the heat dissipation that is made by super heat conduction insulating material and touches arm cover, the heat dissipation touches arm cover and establishes the assembly on the circuit breaker touches the arm and is close to or adjacent with plum blossom contact rear end.
The heat dissipation insulation type contact arm cover of the circuit breaker of the utility model comprises a heat conduction sleeve body tightly attached to the contact arm of the circuit breaker and a heat dissipation cover body connected with the heat conduction sleeve body; the heat conduction sleeve body is adjacent to or close to the rear end of the tulip contact.
Insulating type of circuit breaker heat dissipation touches arm cover, wherein, the heat exchanger body with the surface of the heat conduction sleeve body or deviating from the end connection of plum blossom contact one end.
Breaker heat dissipation insulating type touch arm cover, wherein, the opening orientation of the heat dissipation cover body deviates from plum blossom contact rear end one side.
The heat dissipation insulating contact arm cover of the circuit breaker of the utility model further comprises a contact arm sleeve made of insulating materials, wherein the contact arm sleeve is sleeved on the circuit breaker contact arm, and the contact arm sleeve faces one end of the heat dissipation contact arm cover and is positioned in the heat dissipation cover body; the contact arm sleeve is connected with the heat dissipation contact arm cover.
The heat dissipation insulation type contact arm cover of the circuit breaker of the utility model is characterized in that the outer surface of the contact arm sleeve is hermetically connected with the inner wall of the heat dissipation cover body; a first cavity is formed in the inner wall of one side, away from the heat dissipation contact arm cover, of the contact arm sleeve; one side, facing the heat dissipation contact arm cover, of the contact arm sleeve is provided with one or more first holes communicated with the first cavity.
Breaker heat dissipation insulating type touch arm cover, wherein, touch arm sleeve orientation the heat dissipation touch arm cover one side with there is the clearance between the heat dissipation cover body.
The heat dissipation insulation type contact arm cover of the circuit breaker of the utility model is characterized in that the heat dissipation cover body is connected with the outer surface of the heat conduction sleeve body; the contact arm sleeve is connected with the heat conduction sleeve body.
The heat dissipation insulation type contact arm cover of the circuit breaker of the utility model is characterized in that the inner wall of one side of the contact arm sleeve, which is deviated from the heat dissipation contact arm cover, is provided with a second cavity; one side, facing the heat dissipation contact arm cover, of the contact arm sleeve is provided with one or more second holes communicated with the second cavity; the second opening is opposite to the heat dissipation cover body.
Breaker heat dissipation insulating type touch arm cover, wherein, touch arm sleeve's outside surface with the inner wall sealing connection of the heat dissipation cover body or there is the clearance.
The beneficial effects of the utility model reside in that: the utility model discloses a heat dissipation that super heat conduction insulating material made touches arm cover, with its assembly cover on the circuit breaker touches the arm with plum blossom contact rear end neighbouring or adjacent, can be with the hot time too high electric heat that produces of plum blossom contact because of contact failure, touch the quick heat conduction of arm cover internal surface through the heat dissipation and to the surface heat dissipation, in order to reach quick radiating effect, thereby solved among the prior art cubical switchboard and only monitored the circuit breaker and touched the too high warning of plum blossom contact temperature rise on the arm, but can't reduce effectively that the cubical switchboard circuit breaker touches the plum blossom contact on the arm and produces the too high technological problem of temperature rise because of contacting the hot after-line.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described below with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work according to the drawings:
fig. 1 is a schematic structural view of a heat dissipation insulating contact arm cover of a circuit breaker according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of another installation position of the heat dissipation insulating type contact arm cover heat dissipation cover body of the first embodiment of the present invention;
fig. 3 is a schematic structural view of a circuit breaker heat dissipation insulation type contact arm cover according to a second embodiment of the present invention;
fig. 4 is a cross-sectional view of the front end of a contact arm sleeve of a heat dissipation insulation type contact arm cover of a second embodiment of the present invention;
fig. 5 is a schematic structural view of a heat dissipation insulating contact arm cover of a third embodiment of the present invention;
fig. 6 is a schematic structural diagram of another installation position of the heat dissipation insulating contact arm cover heat dissipation cover body of the third embodiment of the present invention;
fig. 7 is a cross-sectional view of the front end of the contact arm sleeve of the circuit breaker heat dissipation insulation type contact arm cover of the third embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be given below with reference to the technical solutions of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Example one
The circuit breaker heat dissipation insulation type contact arm cover of the preferred embodiment of the present invention, as shown in fig. 1, referring to fig. 2, includes a heat dissipation contact arm cover 1 made of super heat conductive insulating material, the heat dissipation contact arm cover 1 is sleeved on the circuit breaker contact arm 2 and is adjacent to or close to the rear end of the tulip contact 3;
the utility model discloses a heat dissipation that super heat conduction insulating material made touches arm cover 1, with its assembly cover on the circuit breaker touches arm 2 with the close proximity of 3 rear ends of plum blossom contact or adjacent, can be with the too high electric heat that 3 electrified time-spent because of contact failure produced of plum blossom contact, touch the quick heat conduction of 1 internal surface of arm cover to the surface heat dissipation through the heat dissipation, in order to reach quick radiating effect, thereby solved among the prior art cubical switchboard and only monitored the plum blossom contact temperature rise on the circuit breaker touches the arm and reported to the police too high, but can't reduce effectively that the cubical switchboard circuit breaker touches the plum blossom contact on the arm and produce the too high technological problem of temperature rise because of contact failure electrified back.
Preferably, the heat dissipation contact arm cover 1 is made of a nano superconductive heat insulation material by casting molding.
Preferably, the heat dissipation contact arm cover 1 comprises a heat conduction cover body 10 closely attached to the circuit breaker contact arm 2 and a heat dissipation cover body 11 connected with the heat conduction cover body 10; the heat conducting sleeve body 10 is adjacent to or close to the rear end of the tulip contact 3; the heat dissipation area is increased, after the heat conduction sleeve body 10 absorbs the heat of the tulip contact 3, the outer surface of the heat conduction sleeve body itself dissipates the heat, meanwhile, the heat is partially conducted to the heat dissipation cover body 11, and the heat is dissipated by the outer surface and the inner surface of the heat dissipation cover body 11 at the same time, so that the heat dissipation efficiency is greatly improved.
Preferably, the heat dissipation cover body 11 is connected with the outer surface of the heat conduction sleeve body 10 or the end part of one end deviating from the tulip contact 3; the mounting position of the heat dissipation cover 11 may be at the end of the heat conduction sleeve 10, or at the outer surface of the heat conduction sleeve 10.
Preferably, the opening of the heat dissipation cover body 11 faces to the side away from the rear end of the tulip contact 3; the shape of the cover body is preferably cylindrical, and can also be conical, hemispherical, elliptical, rectangular and the like.
Example two
Another preferred embodiment of the present invention is substantially the same as the previous embodiment, except that, as shown in fig. 3 and 4: the circuit breaker heat dissipation insulation type contact arm cover further comprises a contact arm sleeve 4 made of an insulating material, the contact arm sleeve 4 is sleeved on the circuit breaker contact arm 2, and one end, facing the heat dissipation contact arm cover 1, of the contact arm sleeve 4 is located in the heat dissipation cover body 11; the contact arm sleeve 4 is connected with the heat dissipation contact arm cover 1; the guarantee can be with the radiating while of plum blossom contact heat derivation, reduction in production cost guarantees simultaneously to the circuit breaker contact arm 2's insulating protective effect.
Preferably, the outer side surface of the contact arm sleeve 4 is hermetically connected with the inner wall of the heat dissipation cover body 11; a first cavity 40 is formed in the inner wall of one side, away from the heat dissipation contact arm cover 1, of the contact arm sleeve 4; one side of the contact arm sleeve 4 facing the heat dissipation contact arm cover 1 is provided with one or more first openings 41 communicated with the first cavity 40; the strength of the heat dissipation cover body 11 is guaranteed by connecting the contact arm sleeve 4 with the heat dissipation cover body 11, and meanwhile, a certain heat dissipation space is guaranteed in the heat dissipation cover body 11 through the first opening 41 and the first cavity 40.
Preferably, a gap 42 exists between the side of the contact arm sleeve 4 facing the heat radiation contact arm cover 1 and the heat radiation cover body 11; so as to ensure that the first opening 41 can be communicated with the inner surface of the heat dissipation cover 11 with more areas, thereby improving the heat dissipation effect.
EXAMPLE III
Another preferred embodiment of the present invention is substantially the same as the previous embodiment, except that, as shown in fig. 5-7: the heat dissipation cover body 11 is connected with the outer surface of the heat conduction sleeve body 10; the contact arm sleeve 4 is connected with the heat conduction sleeve body 10; under the structure, the heat conduction sleeve body 10 and the contact arm sleeve 4 are connected to form an insulating sleeve to provide insulating protection for the contact arm of the circuit breaker, and the heat conduction sleeve body 10 and the heat dissipation cover body 11 conduct heat conduction and heat dissipation.
Preferably, a second cavity 43 is formed in the inner wall of the side, away from the heat dissipation contact arm cover 1, of the contact arm sleeve 4; one side of the contact arm sleeve 4 facing the heat dissipation contact arm cover 1 is provided with one or more second holes 44 communicated with the second cavity 43; the second opening 44 is opposite to the heat dissipation cover body 11;
at the moment, if the outer side surface of the contact arm sleeve 4 is in sealing connection with the inner wall of the heat dissipation cover body 11; the strength of the heat dissipation cover 11 can be ensured, and the second cavity 43 and the second opening 44 are used for dissipating heat from the interior of the heat dissipation cover 11;
at this time, if a gap exists between the outer side surface of the contact arm sleeve 4 and the inner wall of the heat dissipation cover body 11; the heat dissipation space inside the heat dissipation cover 11 is secured by the second cavity 43 and the second opening 44 while the heat dissipation cover 11 is relied upon to dissipate heat, and the deformable space of the heat dissipation cover 11 is reduced by the contact arm sleeve 4.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.
Claims (9)
1. A heat dissipation insulation type contact arm cover of a circuit breaker is characterized by comprising a heat dissipation contact arm cover made of a super heat conduction insulation material, wherein the heat dissipation contact arm cover is sleeved on a contact arm of the circuit breaker and is adjacent or close to the rear end of a plum blossom contact; the heat dissipation contact arm cover comprises a heat conduction sleeve body tightly attached to the circuit breaker contact arm and a heat dissipation cover body connected with the heat conduction sleeve body; the heat conduction sleeve body is adjacent to or close to the rear end of the tulip contact.
2. The heat dissipating and insulating contact arm cover of a circuit breaker as claimed in claim 1, wherein the heat dissipating cover is connected to the outer surface of the heat conducting sleeve or an end portion of the end of the sleeve facing away from the tulip contact.
3. The heat-dissipating and insulating contact arm cover for a circuit breaker according to claim 1 or 2, wherein an opening of the heat-dissipating cover body faces away from a rear end side of the tulip contact.
4. The heat dissipation and insulation type contact arm cover for the circuit breaker as recited in claim 3, further comprising a contact arm sleeve made of an insulating material, wherein the contact arm sleeve is sleeved on the circuit breaker contact arm, and one end of the contact arm sleeve facing the heat dissipation contact arm cover is located in the heat dissipation cover body; the contact arm sleeve is connected with the heat dissipation contact arm cover.
5. The circuit breaker heat sink insulating contact arm shield of claim 4, wherein an outer surface of the contact arm sleeve is sealingly connected to an inner wall of the heat sink housing; a first cavity is formed in the inner wall of one side, away from the heat dissipation contact arm cover, of the contact arm sleeve; one side, facing the heat dissipation contact arm cover, of the contact arm sleeve is provided with one or more first holes communicated with the first cavity.
6. The circuit breaker heat sink insulative contact arm shield as recited in claim 5, wherein a gap exists between a side of the contact arm sleeve facing the heat sink contact arm shield and the heat sink shield body.
7. The circuit breaker heat dissipating and insulating contact arm shield as recited in claim 4, wherein the heat dissipating shield is attached to an outer surface of the thermally conductive sleeve; the contact arm sleeve is connected with the heat conduction sleeve body.
8. The heat dissipation insulating contact arm cover of the circuit breaker as claimed in claim 7, wherein a second cavity is formed in an inner wall of the contact arm sleeve on a side away from the heat dissipation contact arm cover; one side, facing the heat dissipation contact arm cover, of the contact arm sleeve is provided with one or more second holes communicated with the second cavity; the second opening is opposite to the heat dissipation cover body.
9. The circuit breaker heat sink insulating contact arm shield as claimed in claim 8, wherein the outer surface of said contact arm sleeve is sealingly attached to or has a gap with an inner wall of said heat sink housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920940210.7U CN210325656U (en) | 2019-06-21 | 2019-06-21 | Radiating insulation type contact arm cover of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920940210.7U CN210325656U (en) | 2019-06-21 | 2019-06-21 | Radiating insulation type contact arm cover of circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210325656U true CN210325656U (en) | 2020-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920940210.7U Active CN210325656U (en) | 2019-06-21 | 2019-06-21 | Radiating insulation type contact arm cover of circuit breaker |
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| Country | Link |
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| CN (1) | CN210325656U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110299269A (en) * | 2019-06-21 | 2019-10-01 | 深圳市赛斯电气技术有限公司 | A kind of breaker radiating insulating type contact arm cover |
-
2019
- 2019-06-21 CN CN201920940210.7U patent/CN210325656U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110299269A (en) * | 2019-06-21 | 2019-10-01 | 深圳市赛斯电气技术有限公司 | A kind of breaker radiating insulating type contact arm cover |
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