CN208336036U - A kind of movable end of vacuum arc extinguishing chamber radiating subassembly and high-voltage high-current vacuum breaker - Google Patents
A kind of movable end of vacuum arc extinguishing chamber radiating subassembly and high-voltage high-current vacuum breaker Download PDFInfo
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- CN208336036U CN208336036U CN201821004248.5U CN201821004248U CN208336036U CN 208336036 U CN208336036 U CN 208336036U CN 201821004248 U CN201821004248 U CN 201821004248U CN 208336036 U CN208336036 U CN 208336036U
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- arc extinguishing
- extinguishing chamber
- vacuum
- movable end
- connecting terminal
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Abstract
The utility model discloses a kind of movable end of vacuum arc extinguishing chamber radiating subassembly and high-voltage high-current vacuum breakers, comprising: the lower connecting terminal of the moved end of vacuum interrupter is arranged in；Lower connecting terminal includes: mounting portion, and mounting portion is stretched in vacuum extinction room and is in contact with the moved end of vacuum interrupter；The radiating part being an integral structure with mounting portion is provided with radiating fin on radiating part；And fixed part, fixed part are used to lower connecting terminal being fixed on vacuum interrupter.In the utility model in movable end of vacuum arc extinguishing chamber radiating subassembly lower connecting terminal be integrated in the prior art conductive clip, be flexible coupling, the function of lower flange, connecting terminal or lower conducting ring, conductive supporting and lower flange, connecting terminal, and the mounting portion and radiating part of the lower connecting terminal are an integral structure, participating in heat transfer is an entirety, effectively reduce heat transfer link, reduce thermal resistance, improves the radiating efficiency of movable end of vacuum arc extinguishing chamber.
Description
Technical field
The utility model relates to cooling electronic component technical fields, dynamic more specifically to a kind of vacuum interrupter
Hold radiating subassembly and high-voltage high-current vacuum breaker.
Background technique
Currently, the movable end of vacuum arc extinguishing chamber radiating subassembly of vacuum circuit breaker includes conductive clip, is flexible coupling, lower flange, wiring
Terminal or lower conducting ring, conductive supporting and lower flange, wherein radiator is equipped with around lower flange, radiator is fin in radiation
The plate fin type radiator of shape distribution.Specific radiation processes are as follows: the heat of movable end of vacuum arc extinguishing chamber passes through guide rod for heat transfer
To lower conducting ring, conductive supporting be transmitted to lower flange or conductive clip, be flexible coupling, lower flange passes through radiator again and air carry out
Heat exchange.Due to being that heat transfer link is more in above-mentioned radiation processes, thermal contact resistance is caused to increase, radiating efficiency is bad.In addition, dissipating
The fin of hot device is plate aliform radiator, and thermal capacitance is smaller, also will affect radiating efficiency.
Therefore, the radiating efficiency for how improving high-voltage high-current vacuum breaker becomes those skilled in the art and urgently solves
Certainly the technical issues of.
Utility model content
In view of this, technical problem to be solved in the utility model is how to improve high-voltage high-current vacuum breaker
Radiating efficiency, for this purpose, the utility model provides a kind of movable end of vacuum arc extinguishing chamber radiating subassembly and high-voltage great-current vacuum circuit breaker
Device.
To achieve the above object, the utility model provides the following technical solutions:
A kind of movable end of vacuum arc extinguishing chamber radiating subassembly, comprising:
The lower connecting terminal of the moved end of vacuum interrupter is set；
The lower connecting terminal includes:
Mounting portion, the mounting portion are stretched in vacuum extinction room and are in contact with the moved end of the vacuum interrupter；
The radiating part being an integral structure with the mounting portion is provided with radiating fin on the radiating part；With
Fixed part, the fixed part are used to the lower connecting terminal being fixed on the vacuum interrupter.
Preferably, in above-mentioned movable end of vacuum arc extinguishing chamber radiating subassembly, the fixed part and the mounting portion are integral type
Structure.
Preferably, in above-mentioned movable end of vacuum arc extinguishing chamber radiating subassembly, between the lower connecting terminal and lower insulated column also
It is provided with moved end radiator.
Preferably, in above-mentioned movable end of vacuum arc extinguishing chamber radiating subassembly, the moved end radiator includes being fixed on described connect
Heat sink body portion in line terminals and the lower insulated column, and the moved end radiating fin being arranged in heat sink body portion.
Preferably, in above-mentioned movable end of vacuum arc extinguishing chamber radiating subassembly, the phase of the same layer arrangement on the moved end radiator
There is the longitudinal heat dissipation gap extended longitudinally between adjacent moved end radiating fin；Coaxially arranged adjacent moved end radiating fin it
Between there is the lateral heat dissipation gap that extends transversely.
Preferably, in above-mentioned movable end of vacuum arc extinguishing chamber radiating subassembly, the depth in a plurality of lateral heat dissipation gap is identical.
Preferably, in above-mentioned movable end of vacuum arc extinguishing chamber radiating subassembly, the depth in a plurality of longitudinal heat dissipation gap is identical.
Preferably, in above-mentioned movable end of vacuum arc extinguishing chamber radiating subassembly, a plurality of lateral heat dissipation gap with it is a plurality of described
The depth in longitudinal heat dissipation gap is identical.
Preferably, in above-mentioned movable end of vacuum arc extinguishing chamber radiating subassembly, the centre in the heat sink body portion is additionally provided with scattered
Heat through-hole.
The invention also discloses a kind of high-voltage high-current vacuum breakers, including vacuum as described in any one of the above embodiments
Movable end of arc extinguishing chamber radiating subassembly.
It can be seen from the above technical scheme that terminals are descended in the utility model in movable end of vacuum arc extinguishing chamber radiating subassembly
Son is integrated with conductive clip in the prior art, is flexible coupling, lower flange, connecting terminal or lower conducting ring, conductive supporting and lower flange
Function, and the mounting portion of the lower connecting terminal and radiating part are an integral structure, therefore, participating in heat transfer is an entirety, is had
Effect reduces heat transfer link, reduces thermal resistance, improves the radiating efficiency of movable end of vacuum arc extinguishing chamber, to improve the big electricity of high pressure
The radiating efficiency of flow vacuum breaker.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of movable end of vacuum arc extinguishing chamber radiating subassembly provided by the utility model embodiment；
Fig. 2 is a kind of schematic view of the front view of lower connecting terminal provided by the utility model embodiment；
Fig. 3 is a kind of schematic view of the front view of moved end radiator provided by the utility model embodiment；
Fig. 4 is a kind of side structure schematic view of the moved end radiator provided in Fig. 3；
Fig. 5 is the schematic view of the front view of another kind moved end radiator provided by the utility model embodiment；
Fig. 6 is the side structure schematic view of another moved end radiator provided in Fig. 5.
Wherein, 100 be vacuum interrupter, 400 be lower connecting terminal, 500 be moved end radiator, 600 be lower insulated column,
401 it is mounting portion, 402 be radiating part, 403 be fixed part, 4021 be radiating fin, 501 be heat sink body portion, 502 is moved end
Radiating fin, 503 be thermal vias, 504 be lateral heat dissipation gap, 505 be longitudinal heat dissipation gap.
Specific embodiment
The core of the utility model is to provide a kind of movable end of vacuum arc extinguishing chamber radiating subassembly and high-voltage great-current vacuum is disconnected
Road device, how to improve the radiating efficiency of high-voltage high-current vacuum breaker.
In addition, embodiments illustrated below does not play any restriction effect to utility model content documented by claim.
In addition, the full content of composition represented by following example is not limited to the solution as utility model documented by claim
Necessary to scheme.
Fig. 1 to Fig. 6 is please referred to, the movable end of vacuum arc extinguishing chamber radiating subassembly in the utility model includes:
The lower connecting terminal 400 of the moved end of vacuum interrupter 100 is set；
Lower connecting terminal 400 includes:
Mounting portion 401, mounting portion 401 stretch in vacuum interrupter 100 and connect with the moved end of vacuum interrupter 100
Touching；
The radiating part 402 being an integral structure with mounting portion 401 is provided with radiating fin 4021 on radiating part 402；With
Fixed part 403, fixed part 403 are used to lower connecting terminal 400 being fixed on vacuum interrupter 100.
The utility model focus on will in the prior art conductive clip, be flexible coupling, lower flange, connecting terminal or lower conduction
The function of ring, conductive supporting and lower flange is integrated on lower connecting terminal 400, due to 401 He of mounting portion of lower connecting terminal 400
Radiating part 402 is an integral structure, and therefore, participating in heat transfer is an entirety, is effectively reduced heat transfer link, is reduced heat
Resistance, improves the radiating efficiency of 100 moved end of vacuum interrupter, to improve the heat dissipation effect of high-voltage high-current vacuum breaker
Rate.
It can be realized as the fixation of radiating part 402 Yu lower connecting terminal 400 by the screw being mounted on fixed part 403.
And fixed part 403 is welded on mounting portion 401 by welding procedure or fixed part 403 and mounting portion 401 are integral type knot
Structure is formed by turnery processing.
In order to further increase radiating efficiency, moved end heat dissipation is additionally provided between lower connecting terminal 400 and lower insulated column 600
Device 500.A part of heat transfer is given outside on the radiating fin of itself, and another part heat is transmitted by lower connecting terminal 400
Into moved end radiator 500, by moved end radiator 500 by this heat spreader into air.
The structure of moved end radiator 500 is identical as common heat spreader structures, and the utility model embodiment specifically discloses
A kind of structure, which includes the heat sink body portion 501 being fixed on connecting terminal and lower insulated column 600, and is set
Set the moved end radiating fin 502 in heat sink body portion 501.The heat for being transmitted to heat sink body portion 501 passes through moved end radiating fin
Piece 502 is transmitted to airport, to achieve the effect that heat dissipation.
Fig. 3 and Fig. 4 are please referred to, the moved end radiating fin 502 of above structure axially extends, adjacent moved end radiating fin
502 are parallel to each other；Or
Fig. 5 and Fig. 6 are please referred to, in order to improve heat dissipation effect, the adjacent moved end of the same layer arrangement on moved end radiator 500 dissipates
There is the longitudinal heat dissipation gap 505 extended longitudinally between hot fin 502；Coaxially arranged adjacent moved end radiating fin 502
Between there is the lateral heat dissipation gap 504 that extends transversely.Due to not only there is lateral heat dissipation gap 504 also between radiating fin
With longitudinal gap 505 of radiating, the heat dissipation area and convection space of radiating fin can be increased, improve vacuum interrupter 100
The radiating efficiency of moved end, to improve the radiating efficiency of high-voltage high-current vacuum breaker.
502 arrangement form of moved end radiating fin on moved end radiator 500 is not limited only to above two form, only
It wants to reach and increases cross-ventilation space, it is within the protection scope of the present utility model.
The form processing of moved end radiator 500 is provided in the utility model embodiment, the moved end radiator 500 is by aluminium bar
It is process, the radiating fin on moved end radiator 500 is cut into lateral heat dissipation gap 504, longitudinal grooving by lateral grooving
Longitudinal heat dissipation gap 505 is processed, expands heat dissipation area, increases convection space.Via above-mentioned lateral heat dissipation gap 504 and indulge
Effect to heat dissipation gap 505, final remaining position are moved end radiating fin 502, and the moved end radiating fin 502 and heat dissipation are led
Compared to radially extending, moved end radiating fin 502 is column structure, sector structure etc. in body portion 501.
When above-mentioned transverse direction grooving, the identical or adjacent lateral heat dissipation gap of the depth in a plurality of lateral heat dissipation gap 504
504 depth differs；When longitudinal grooving, the identical or adjacent longitudinal heat dissipation gap of the depth in a plurality of longitudinal heat dissipation gap 505
505 depth differs.The depth in lateral heat dissipation gap 504 equal can not also be waited with the depth in longitudinal heat dissipation gap 505.
In order to increase the thermal capacitance of the moved end radiator 500, the centre in heat sink body portion 501 is additionally provided with thermal vias 503.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (10)
1. a kind of movable end of vacuum arc extinguishing chamber radiating subassembly characterized by comprising
The lower connecting terminal of the moved end of vacuum interrupter is set；
The lower connecting terminal includes:
Mounting portion, the mounting portion are stretched in vacuum extinction room and are in contact with the moved end of the vacuum interrupter；
The radiating part being an integral structure with the mounting portion is provided with radiating fin on the radiating part；With
Fixed part, the fixed part are used to the lower connecting terminal being fixed on the vacuum interrupter.
2. movable end of vacuum arc extinguishing chamber radiating subassembly as described in claim 1, which is characterized in that the fixed part and the installation
Portion is an integral structure.
3. movable end of vacuum arc extinguishing chamber radiating subassembly as claimed in claim 2, which is characterized in that the lower connecting terminal and it is lower absolutely
Moved end radiator is additionally provided between edge column.
4. movable end of vacuum arc extinguishing chamber radiating subassembly as claimed in claim 3, which is characterized in that the moved end radiator includes solid
It is scheduled on the heat sink body portion on the connecting terminal and the lower insulated column, and the moved end radiating fin being arranged in heat sink body portion
Piece.
5. movable end of vacuum arc extinguishing chamber radiating subassembly as claimed in claim 4, which is characterized in that same on the moved end radiator
There is the longitudinal heat dissipation gap extended longitudinally between the adjacent moved end radiating fin of layer arrangement；Coaxially arranged adjacent moved end
There is the lateral heat dissipation gap extended transversely between radiating fin.
6. movable end of vacuum arc extinguishing chamber radiating subassembly as claimed in claim 5, which is characterized in that a plurality of lateral heat dissipation gap
Depth it is identical.
7. movable end of vacuum arc extinguishing chamber radiating subassembly as claimed in claim 5, which is characterized in that a plurality of longitudinal heat dissipation gap
Depth it is identical.
8. movable end of vacuum arc extinguishing chamber radiating subassembly as claimed in claim 5, which is characterized in that a plurality of lateral heat dissipation gap
It is identical as a plurality of longitudinal heat dissipation depth in gap.
9. movable end of vacuum arc extinguishing chamber radiating subassembly as claimed in claim 4, which is characterized in that the centre in the heat sink body portion
It is additionally provided with thermal vias.
10. a kind of high-voltage high-current vacuum breaker, which is characterized in that including true as claimed in any one of claims 1-9 wherein
Empty movable end of arc extinguishing chamber radiating subassembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821004248.5U CN208336036U (en) | 2018-06-27 | 2018-06-27 | A kind of movable end of vacuum arc extinguishing chamber radiating subassembly and high-voltage high-current vacuum breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821004248.5U CN208336036U (en) | 2018-06-27 | 2018-06-27 | A kind of movable end of vacuum arc extinguishing chamber radiating subassembly and high-voltage high-current vacuum breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208336036U true CN208336036U (en) | 2019-01-04 |
Family
ID=64785349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821004248.5U Active CN208336036U (en) | 2018-06-27 | 2018-06-27 | A kind of movable end of vacuum arc extinguishing chamber radiating subassembly and high-voltage high-current vacuum breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208336036U (en) |
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2018
- 2018-06-27 CN CN201821004248.5U patent/CN208336036U/en active Active
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