CN205231554U - Heat radiation structure of circuit breaker drawout chassis - Google Patents
Heat radiation structure of circuit breaker drawout chassis Download PDFInfo
- Publication number
- CN205231554U CN205231554U CN201520910303.7U CN201520910303U CN205231554U CN 205231554 U CN205231554 U CN 205231554U CN 201520910303 U CN201520910303 U CN 201520910303U CN 205231554 U CN205231554 U CN 205231554U
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- conducting copper
- circuit breaker
- fixture
- insulating base
- via hole
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Abstract
The utility model provides a heat radiation structure of circuit breaker drawout chassis, includes insulating substrate and conductive copper bar, insulating substrate on offer the conductive copper bar via hole that is used for installing conductive copper bar, conductive copper bar to pass through mounting fixed mounting downthehole excessively at conductive copper bar. Fixed connection is installed with conductive copper bar's lateral wall and insulating substrate's lateral wall respectively in the both ends of mounting to set up electrically conductive the heat dissipation through -hole that is linked together with the conductive copper bar via hole on the mounting. The utility model provides a heat radiation structure of circuit breaker drawout chassis that ventilation efficiency is high, it can the reinforce to suppress the temperature rise, mounting structure is simple.
Description
Technical field
The utility model relates to Low Voltage Electrical Apparatus, particularly a kind of radiator structure of circuit breaker drawer base.
Background technology
Drawer type frame breaker is primarily of drawout chassis and body two parts composition, the current-carrying part of drawout chassis is connected by bridge-shaped contact with body current-carrying part, in the whole galvanic circle of withdrawable circuit breaker, bridge-shaped contact place causes greatly amount of heat to produce because of contact resistance, thus causes the temperature rise affecting whole product.Existing drawer type frame breaker is for solving problem of temperature rise mainly by increasing copper consumption or reducing the modes such as loop resistance, but such scheme fundamentally can not solve the problem of product temperature rise, have impact on stability and the reliability of circuit breaker work, and prior art copper consumption is large, cost is higher.
Utility model content
The purpose of this utility model is the defect overcoming prior art, provide a kind of drafting efficiency high, suppress that temperature rise ability is strong, the radiator structure of the simple circuit breaker drawer base of mounting structure.
For achieving the above object, the utility model have employed following technical scheme:
A kind of radiator structure of circuit breaker drawer base, comprise insulating base 1 and conducting copper 2, described insulating base 1 offers the conducting copper via hole 110 for installing conducting copper 2, described conducting copper 2 is fixedly mounted in conducting copper via hole 110 by fixture 3.The two ends of described fixture 3 are installed with the sidewall of conducting copper 2 and the sidewall of insulating base 1 respectively and are fixedly connected with, and fixture 3 offer the electric-conductor thermal vias 321 be connected with conducting copper via hole 110.
Further, described fixture 3 is L-type structure, the fixture 3 of L-type structure comprises orthogonal first fixed part 310 and the second fixed part 320, the first described fixed part 310 is fixedly connected with the sidewall of conducting copper 2, the second described fixed part 320 is fixedly mounted on the sidewall of the insulating base 1 of conducting copper via hole 110 side, described electric-conductor thermal vias 321 is opened on the second fixed part 320, and the end of the second fixed part 320 also offers the fixture installation screw 322 that can be fixedly connected with the sidewall of insulating base 1.
Further, the edge of described conducting copper via hole 110 offers arc gap 111, described arc gap 111 is oppositely arranged with the electric-conductor thermal vias 321 on fixture 3.
Further, the second described fixed part 320 offers side by side at least two circular electric-conductor thermal vias 321; Or the second fixed part 320 offers the electric-conductor thermal vias 321 of bar shaped.
Further, the top sidewall of described conducting copper 2 and bottom sidewall are installed with fixture 3 respectively, the end winding support of described fixture 3 is arranged on the lateral wall of the insulating base 1 of conducting copper via hole 110 side, the madial wall of insulating base 1 and the bridge-type contact 4 of circuit breaker are oppositely arranged, the end of described bridge-type contact 4 can clamp conducting copper 2 and be formed with conducting copper 2 and be electrically connected, and described electric-conductor thermal vias 321 is oppositely arranged with the end of bridge-type contact 4.
Further, described fixture 3 is oppositely arranged with the end of conducting copper via hole 110, and the width of fixture 3 is less than the width of conducting copper via hole 110.
Further, described conducting copper 2 top and bottom are fixed with fixture 3 respectively, and the distance between the electric-conductor thermal vias 321 of fixture 3 is less than the height of conducting copper via hole 110.
Further, described insulating base 1 also offers and is communicated with the outside of insulating base 1 and the radiator window 120 of inner side, described radiator window 120 is arranged on the side of conducting copper via hole 110, one end of described conducting copper 2 is placed in the outside of insulating base 1, and the other end of conducting copper 2 is placed in the inner side of insulating base 1 and is connected with bridge-type contact 4.
Further, described insulating base 1 offering side by side at least three conducting copper via holes 110 for circuit breaker inlet wire or outlet, wherein offering the radiator window 120 for dispelling the heat for the side correspondence of the conducting copper via hole 110 of circuit breaker inlet wire.
Further, the side of described insulating base 1 is provided with the bridge-type contact 4 that can be connected with conducting copper 2, the top of insulating base 1 is provided with heat dissipating grid 130 with bottom is vertical respectively, and heat dissipating grid 130 is vertically set on insulating base 1 is mounted opposite on the sidewall of bridge-type contact 4 side.
The electric-conductor thermal vias of radiator structure by fixture is offered of circuit breaker drawer base of the present utility model, achieve the good air circulation of circuit breaker internal and outside, improve drafting efficiency, thus inhibit the temperature rise of circuit breaker internal, ensure stability and the reliability of circuit breaker work.In addition, electric-conductor thermal vias structure is simply processed easy, improves the service efficiency of fixture.
Accompanying drawing explanation
Fig. 1 is Facad structure schematic diagram of the present utility model;
Fig. 2 is structure schematic diagram of the present utility model;
Fig. 3 is section of structure of the present utility model;
Fig. 4 is the mounting structure schematic diagram of conducting copper of the present utility model and fixture;
Fig. 5 is the mounting structure end view of conducting copper of the present utility model and fixture;
Fig. 6 is the structural representation of insulating base of the present utility model;
Fig. 7 is the structure upward view of insulating base of the present utility model;
Fig. 8 is the structure vertical view of insulating base of the present utility model.
Embodiment
Provide embodiment of the present utility model below in conjunction with accompanying drawing 1 to 8, further illustrate the radiator structure embodiment of circuit breaker drawer base of the present utility model.The radiator structure of circuit breaker drawer base of the present utility model is not limited to the description of following examples.
Fig. 1 and Fig. 2 comprises insulating base 1, conducting copper 2, fixture 3 and bridge-type contact 4.Outside (as shown in Figure 1) and the outside major loop of insulating base 1 are oppositely arranged, and the inner side (as shown in Figure 2) of insulating base 1 and the bridge-type contact 4 of circuit breaker are oppositely arranged.Insulating base 1 offers the conducting copper via hole 110 for installing conducting copper 2, described conducting copper 2 is fixedly mounted in conducting copper via hole 110 by fixture 3.The outside that one end of conducting copper 2 is placed in insulating base 1 can be connected with outside major loop, and the inner side that the other end of conducting copper 2 is placed in insulating base 1 can be connected with bridge-type contact 4.Particularly, insulating base 1 offers many compositions to the conducting copper via hole 110 arranged, be often positioned at the line of conducting copper via hole 110 for circuit breaker of both sides in group, and each conducting copper via hole 110 is all identical with the mounting structure of conducting copper 2.In the use procedure of withdrawable circuit breaker, bridge-type contact 4 is one of main positions of temperature rise with the junction of conducting copper 2, the utility model is by the corresponding radiator structure be arranged on insulating base 1 and fixture 3, improve heat-sinking capability, thus inhibit the impact that temperature rise brings circuit breaker job stability.
The two ends of the fixture 3 in Fig. 3 to Fig. 5 are installed with the sidewall of conducting copper 2 and the sidewall of insulating base 1 respectively and are fixedly connected with, and fixture 3 offer the electric-conductor thermal vias 321 be connected with conducting copper via hole 110.Particularly, fixture 3 is L-type structure, the fixture 3 of L-type structure comprises orthogonal first fixed part 310 and the second fixed part 320, the first described fixed part 310 is fixedly connected with the sidewall of conducting copper 2, the second described fixed part 320 is fixedly mounted on the sidewall of the insulating base 1 of conducting copper via hole 110 side, described electric-conductor thermal vias 321 is opened on the second fixed part 320, and the end of the second fixed part 320 also offers the fixture installation screw 322 that can be fixedly connected with the sidewall of insulating base 1.Anchor structure is simply convenient to install, and not only increases the efficiency of assembling of conducting copper and insulating base, also assures that assembling intensity.The installation site of electric-conductor thermal vias ensure that the circulation of air simultaneously, improves heat-sinking capability.
In Fig. 6 conducting copper via hole 110 edge on offer arc gap 111, described arc gap 111 is oppositely arranged with the electric-conductor thermal vias 321 on fixture 3.Further, a kind of set-up mode of electric-conductor thermal vias 321 of the present utility model is on the second fixed part 320, offer at least two circular electric-conductor thermal vias 321 side by side; Or can also be the electric-conductor thermal vias 321 offering bar shaped on the second fixed part 320.Arc gap increases the sectional area of air flow passage, improves drafting efficiency, reduce further temperature rise.The set-up mode of electric-conductor thermal vias is not only convenient to processing simultaneously, ensure that drafting efficiency simultaneously.
The top sidewall of the conducting copper 2 in Fig. 3 to Fig. 5 and bottom sidewall are installed with fixture 3 respectively, the end winding support of described fixture 3 is arranged on the lateral wall of the insulating base 1 of conducting copper via hole 110 side, the madial wall of insulating base 1 and the bridge-type contact 4 of circuit breaker are oppositely arranged, the end of described bridge-type contact 4 can clamp conducting copper 2 and be formed with conducting copper 2 and be electrically connected, and described electric-conductor thermal vias 321 is oppositely arranged with the end of bridge-type contact 4.Fixture 3 in the utility model is not limited only to a kind of embodiment of L-type structure, as long as the two ends of fixture 3 can be fixedly connected with the sidewall of insulating base 1 with conducting copper 2 respectively and fixture 3 offer the installation requirement that electric-conductor thermal vias 321 all can meet fixture 3.The mounting means of fixture makes installation process simple and easy to operate, ensure that installation strength simultaneously, and then improves efficiency of assembling.
Described fixture 3 is oppositely arranged with the end of conducting copper via hole 110, and the width of fixture 3 is less than the width of conducting copper via hole 110.Because fixture is when fixedly mounting with insulating base, will inevitably causes block conducting copper via hole 110, the width that therefore width of fixture is less than conducting copper via hole can improve drafting efficiency under the prerequisite ensureing fixture intensity.In addition, conducting copper 2 top and bottom are fixed with fixture 3 respectively, and the distance between the electric-conductor thermal vias 321 of fixture 3 is less than the height of conducting copper via hole 110.Distance between electric-conductor thermal vias ensure that the circulation of air, restrained effectively temperature rise.
Described insulating base 1 also offers and is communicated with the outside of insulating base 1 and the radiator window 120 of inner side, described radiator window 120 is arranged on the side of conducting copper via hole 110, one end of described conducting copper 2 is placed in the outside of insulating base 1, and the other end of conducting copper 2 is placed in the inner side of insulating base 1 and is connected with bridge-type contact 4.Particularly, the insulating base 1 in Fig. 6 offering side by side at least three conducting copper via holes 110 for circuit breaker inlet wire or outlet, wherein offering the radiator window 120 for dispelling the heat for the side correspondence of the conducting copper via hole 110 of circuit breaker inlet wire.Preferably, when circuit breaker be three poles or four-pole circuit breaker time, insulating base 1 offers side by side three or four the conducting copper via hole 110 for circuit breaker inlet wire or outlet.Radiator window can improve drafting efficiency further, and then improves heat dispersion.Processing is convenient in the position of offering of radiator window simultaneously, improves the working (machining) efficiency of insulating base.
In Fig. 7 with Fig. 8, the side of insulating base 1 is provided with the bridge-type contact 4 that can be connected with conducting copper 2, the top of insulating base 1 is provided with heat dissipating grid 130 with bottom is vertical respectively, and heat dissipating grid 130 is vertically set on insulating base 1 is mounted opposite on the sidewall of bridge-type contact 4 side.Heat dissipating grid can be dispelled the heat from the side of bridge-type contact to it, thus improves radiating effect, further suppress the temperature rise of circuit breaker internal.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, some simple deduction or replace can also be made, all should be considered as belonging to protection range of the present utility model.
Claims (10)
1. the radiator structure of a circuit breaker drawer base, comprise insulating base (1) and conducting copper (2), it is characterized in that: described insulating base (1) offers the conducting copper via hole (110) for installing conducting copper (2), described conducting copper (2) is fixedly mounted in conducting copper via hole (110) by fixture (3);
The two ends of described fixture (3) are installed with the sidewall of conducting copper (2) and the sidewall of insulating base (1) respectively and are fixedly connected with, and fixture (3) offer the electric-conductor thermal vias (321) be connected with conducting copper via hole (110).
2. the radiator structure of circuit breaker drawer base according to claim 1, it is characterized in that: described fixture (3) is L-type structure, the fixture (3) of L-type structure comprises orthogonal first fixed part (310) and the second fixed part (320), described the first fixed part (310) is fixedly connected with the sidewall of conducting copper (2), described the second fixed part (320) is fixedly mounted on the sidewall of insulating base (1) of conducting copper via hole (110) side, described electric-conductor thermal vias (321) is opened on the second fixed part (320), and the end of the second fixed part (320) also offers the fixture installation screw (322) that can be fixedly connected with the sidewall of insulating base (1).
3. the radiator structure of circuit breaker drawer base according to claim 2, it is characterized in that: the edge of described conducting copper via hole (110) offers arc gap (111), described arc gap (111) is oppositely arranged with the electric-conductor thermal vias (321) on fixture (3).
4. the radiator structure of circuit breaker drawer base according to claim 2, is characterized in that: described the second fixed part (320) offers side by side at least two circular electric-conductor thermal vias (321); Or the second fixed part (320) offers the electric-conductor thermal vias (321) of bar shaped.
5. the radiator structure of the circuit breaker drawer base according to any one of Claims 1-4, it is characterized in that: the top sidewall of described conducting copper (2) and bottom sidewall are installed with fixture (3) respectively, the end winding support of described fixture (3) is arranged on the lateral wall of insulating base (1) of conducting copper via hole (110) side, the madial wall of insulating base (1) and the bridge-type contact (4) of circuit breaker are oppositely arranged, the end of described bridge-type contact (4) can clamp conducting copper (2) and be formed with conducting copper (2) and be electrically connected, described electric-conductor thermal vias (321) is oppositely arranged with the end of bridge-type contact (4).
6. the radiator structure of circuit breaker drawer base according to claim 5, it is characterized in that: described fixture (3) is oppositely arranged with the end of conducting copper via hole (110), and the width of fixture (3) is less than the width of conducting copper via hole (110).
7. the radiator structure of circuit breaker drawer base according to claim 5, it is characterized in that: described conducting copper (2) top and bottom are fixed with fixture (3) respectively, and the distance between the electric-conductor thermal vias (321) of fixture (3) is less than the height of conducting copper via hole (110).
8. the radiator structure of circuit breaker drawer base according to claim 1, it is characterized in that: described insulating base (1) also offers and is communicated with the outside of insulating base (1) and the radiator window (120) of inner side, described radiator window (120) is arranged on the side of conducting copper via hole (110), one end of described conducting copper (2) is placed in the outside of insulating base (1), and the other end of conducting copper (2) is placed in the inner side of insulating base (1) and is connected with bridge-type contact (4).
9. the radiator structure of circuit breaker drawer base according to claim 8, it is characterized in that: described insulating base (1) offers side by side at least three conducting copper via holes (110) for circuit breaker inlet wire or outlet, wherein offering the radiator window (120) for dispelling the heat for the side correspondence of the conducting copper via hole (110) of circuit breaker inlet wire.
10. the radiator structure of circuit breaker drawer base according to claim 1, it is characterized in that: the side of described insulating base (1) is provided with the bridge-type contact (4) that can be connected with conducting copper (2), the top of insulating base (1) is provided with heat dissipating grid (130) with bottom is vertical respectively, and heat dissipating grid (130) is vertically set on insulating base (1) is mounted opposite on the sidewall of bridge-type contact (4) side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520910303.7U CN205231554U (en) | 2015-11-16 | 2015-11-16 | Heat radiation structure of circuit breaker drawout chassis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520910303.7U CN205231554U (en) | 2015-11-16 | 2015-11-16 | Heat radiation structure of circuit breaker drawout chassis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205231554U true CN205231554U (en) | 2016-05-11 |
Family
ID=55906599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520910303.7U Active CN205231554U (en) | 2015-11-16 | 2015-11-16 | Heat radiation structure of circuit breaker drawout chassis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205231554U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113053682A (en) * | 2021-03-09 | 2021-06-29 | 北京北元电器有限公司 | Air-cooled air pipe, ventilation housing and multipoint cooling device for circuit breaker |
-
2015
- 2015-11-16 CN CN201520910303.7U patent/CN205231554U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113053682A (en) * | 2021-03-09 | 2021-06-29 | 北京北元电器有限公司 | Air-cooled air pipe, ventilation housing and multipoint cooling device for circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Wenzhou Zhengtai Electrical Technology Co., Ltd Assignor: Zhejiang Chint Electrics Co.,Ltd. Contract record no.: X2020330000078 Denomination of utility model: Heat dissipation structure of circuit breaker drawer seat Granted publication date: 20160511 License type: Common License Record date: 20201021 |