CN205692727U - A kind of cut-offing protecting switch of high efficiency and heat radiation - Google Patents
A kind of cut-offing protecting switch of high efficiency and heat radiation Download PDFInfo
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- CN205692727U CN205692727U CN201620649535.6U CN201620649535U CN205692727U CN 205692727 U CN205692727 U CN 205692727U CN 201620649535 U CN201620649535 U CN 201620649535U CN 205692727 U CN205692727 U CN 205692727U
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- housing
- heat sink
- heat radiation
- heat
- cut
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Abstract
This utility model relates to the cut-offing protecting switch of a kind of high efficiency and heat radiation, including housing, the contact assembly being arranged in housing, it is covered on the end cap of housing oral area and drives the button of contact assembly break-make, housing outer surface is provided with heat sink, described heat sink includes the side plate being symmetricly set on housing both sides and is attached at the connecting bottom board of housing bottom surface, these connecting bottom board both sides are connected with the side plate heat conduction of both sides respectively, three bread are wrapped up in the heat sink of housing and are added the contact area of heat sink and housing, more effectively by the heat absorption in housing to heat sink, and the cavity that on housing, the shape with heat sink of setting is suitable, the wall thickness making housing heat conduction position is thinning, dispel the heat more efficient.
Description
Technical field
This utility model relates to a kind of motor switch, is specifically related to a kind of cut-offing protecting switch.
Background technology
Existing cut-offing protecting switch uses controllable silicon to combine single-chip microcomputer element and realizes defencive function, but electrical equipment makes for a long time
With or over loading use, temperature of silicon controlled rectifier constantly raises, and electrical breakdown burns, and loses defencive function；Single-chip microcomputer auxiliary electron unit
Part is various, electronic component destructible or come off under adverse circumstances (very hot, the coldest), loses defencive function, even there is peace
The most hidden, the heat produced during in order to prevent current flowing deposits in switch case, and temperature is too high and affects touching of switch internal
Head assembly, particularly makes the controllable silicon in contact assemblyReceiveSituation about misleading to temperature interference, generally opens in power-off protection
The bottom closed adds one block of heat sink and dispels the heat, but the heat sink simply added is because radiating efficiency is the highest, it is impossible to quickly
Transfer heat in extraneous air, cause effect unsatisfactory.
Summary of the invention
The deficiency existed for prior art, the purpose of this utility model be to provide a kind of can the power-off of high efficiency and heat radiation
Protection switch.
For achieving the above object, this utility model provides following technical scheme: the power-off protection of a kind of high efficiency and heat radiation is opened
Close, the contact assembly including housing, being arranged in housing, the end cap being covered on housing oral area and driving contact assembly break-make
Button, housing outer surface is provided with heat sink, it is characterised in that: described heat sink includes the side plate being symmetricly set on housing both sides
And it being attached at the connecting bottom board of housing bottom surface, these connecting bottom board both sides are connected with the side plate heat conduction of both sides respectively.
So arrange and provide the benefit that: use such scheme, three bread wrap up in the heat sink of housing add heat sink with
The contact area of housing, more effectively by the heat absorption in housing to heat sink, and heat conduction connects mutually each other, will
It is all that amount of localized heat passes to heat sink, then is disseminated in the air outside housing.
This utility model is arranged further: the connecting bottom board of described heat sink is one-body molded with the side plate of both sides U-shaped,
Described housing is provided with the cavity suitable with heat sink shape, and described heat sink card is installed in housing cavity.
So arrange and provide the benefit that: using such scheme, the structure of heat sink is U-shaped, stabilized structure, and on housing
The suitable cavity of the shape with heat sink arranged, the wall thickness making housing heat conduction position is thinning, and heat radiation is more efficient, and heat radiation
Board is connected in cavity, it is therefore prevented that heat sink in use comes off and protrudes the inconvenience being rolled in housing outer surface.
This utility model is arranged further: described housing cavity is provided with clamping projection with the resistance surface of side plane contact,
On the side plate of described heat sink, the position of corresponding clamping projection is provided with grab, and this grab and clamping projection are towards housing oral area
One end hook connects.
So arrange and provide the benefit that: using such scheme, heat sink one end and clamping projection are towards housing oral area
One end hook connects, and the other end relies on connecting bottom board to be sticked in housing bottom surface, and two bursts of relative strength offset, and make heat sink firmly
Will not move in being stuck in cavity.
This utility model is arranged further: described heat sink is provided with heat radiation groove relative to the outer surface of resistance surface.
So arrange and provide the benefit that: use such scheme, by arranging heat radiation groove on heat sink outer surface, increase
Add the area of heat sink outer surface and air contact, made heat radiation more efficient.
This utility model is arranged further: described heat radiation groove is tapered and shrinks setting towards resistance surface one end.
So arrange and provide the benefit that: using such scheme, the shape of this heat radiation groove can use positive four face cones, circular cone
Etc. geometry, use above-mentioned shape, make area of dissipation increase further, and only need punch process heat sink outer surface, just can
Molding, easy to process.
This utility model is arranged further: describedConnecting bottom boardOn be provided with and expose shell for the controllable silicon in contact assembly
External through hole.
So arrange and provide the benefit that: use such scheme, arrange and expose outside housing for the controllable silicon in contact assembly
Through hole, controllable silicon can be made directly to dispel the heat with air contact, further enhance the heat-sinking capability of cut-offing protecting switch.
This utility model is arranged further: the side plate of described heat sink is conflicted with end cap and coordinated, and described end cap is metal
Heat-conducting.
So arrange and provide the benefit that: use such scheme, use the end cap of metal material, further enhance on housing
Heat-sinking capability, and the side plate conflict of the end cap of metal material and heat sink, effectively deliver heat, make heat sink and end cap phase
Auxiliary heat dissipation mutually.
This utility model is arranged further: one end that the side plate of described heat sink contacts with end cap is provided with and extends to end cap
Interior step-like flange, described end cap is coated with this step-like flange and contacts on the side plate end face of heat sink.
So arrange and provide the benefit that: use such scheme, make the side plate of heat sink increase with the contact area of end cap,
Transmission heat is more efficient.
The invention will be further described below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Fig. 1 is the structure chart of this utility model embodiment；
Fig. 2 is this utility model embodiment face upwarding assumption diagram；
Fig. 3 is the explosive view of this utility model embodiment；
Fig. 4 is the structure chart of heat sink in this utility model embodiment；
Fig. 5 is the plan structure figure of this utility model embodiment；
Fig. 6 is the cross section view of A-A in Fig. 5.
Detailed description of the invention
Below by embodiment, this utility model is specifically described, is served only for this utility model is carried out further
Explanation, it is impossible to be interpreted as the restriction to this utility model protection domain.
As shown in figures 1 to 6, the cut-offing protecting switch of a kind of high efficiency and heat radiation, including housing 1, the sets of contacts that is arranged in housing
Part 2, the end cap 3 being covered on housing oral area and the button 4 of driving contact assembly break-make, housing 1 outer surface is provided with heat sink 5,
It is characterized in that: described heat sink 5 includes being symmetricly set on the side plate 51 of housing both sides and is attached at the connection of housing bottom surface
Base plate 52, these connecting bottom board 52 both sides are connected with side plate 51 heat conduction of both sides respectively.
Three bread are wrapped up in the heat sink 5 of housing and are added the contact area of heat sink 5 and housing 1, more effectively by housing 1
Heat absorption on heat sink 5, and heat conduction connects mutually each other, amount of localized heat passes to heat sink all, then dissipates
It is multicast in the air outside housing 1.
The connecting bottom board 51 of described heat sink 5 one-body molded with the side plate 52 of both sides U-shaped be surely connected U-shaped, described
Housing 1 be provided with the cavity 11 suitable with heat sink 5 shape, described heat sink 5 card is installed in housing cavity 11.
It is connected with the side plate 52 of both sides by heat sink 5 connecting bottom board, various structures can be formed, three, such as H type etc.
The heat sink of structure, the most U-shaped, because U-shape structure consolidates, and the area maximum contacting with housing 1 and dispelling the heat, and shell
The cavity 11 that on body 1, the shape with heat sink 5 of setting is suitable, the wall thickness making housing 1 heat conduction position is thinning, and heat radiation is more increased
Effect, and heat sink 5 clampingInIn cavity 11, it is therefore prevented that heat sink 5 in use comes off and protrusion is rolled in housing 1 outer surface
Inconvenience.
The resistance surface that described housing 1 cavity 11 contacts with side plate 52 is provided with clamping projection 12, the side of described heat sink 5
On plate 52, the position of corresponding clamping projection 12 is provided with grab 54, and this grab 54 and clamping projection 12 are towards the one of housing 1 oral area
End hook is hung and is connected.
The snap-fit engagement of heat sink and cavity have plurality of optional scheme, such as cavity or heat sink one side projection is set, separately
One side arranges groove, both Embedded snap-fit engagement, wherein the position of corresponding clamping projection 12 on the side plate 52 of preferred heat sink 5
Putting and be provided with grab 54, this grab 54 is connected towards one end hook of housing 1 oral area with clamping projection 12, and the other end relies on and connects
Base plate 52 is sticked in housing 1 bottom surface, because so arranging, two bursts of relative strength of grab 54 and connecting bottom board offset, and make heat radiation
Plate 5 will not move in being firmly stuck in cavity 11 and drop.
Described heat sink 5 is provided with heat radiation groove 53 relative to the outer surface of resistance surface.
Use such scheme, by arranging heat radiation groove 53 on heat sink 5 outer surface, add heat sink 5 outer surface
With the area of air contact, make heat radiation more efficient.
Described heat radiation groove 53 is tapered and shrinks setting towards resistance surface one end.
The shape of this heat radiation groove 53 can use the geometries such as kinds of schemes, the most positive four face cones, circular cone, preferably in cone
Shape and the shape arranged towards the contraction of resistance surface one end, make area of dissipation maximize, and only need punch process heat sink outer surface, just
Energy molding, easy to process.
DescribedConnecting bottom board 52On be provided with the through hole 54 exposing outside housing for the controllable silicon 21 in contact assembly 2.
Use such scheme, the through hole 54 exposing outside housing for the controllable silicon 21 in contact assembly 2 is set, controllable silicon can be made
21 directly dispel the heat with air contact, further enhance the heat-sinking capability of cut-offing protecting switch.
The side plate 51 of described heat sink 5 is conflicted with end cap 3 and is coordinated, and described end cap is metal heat-conducting material.
Using the end cap of metal material, the material good for example with heat conductivity such as copper, aluminum, aluminium alloys further enhances housing
Heat-sinking capability on 1, and the side plate 51 of the end cap 3 of metal material and heat sink 5 conflicts, and effectively delivers heat, makes heat sink 5
Auxiliary heat dissipation mutual with end cap 3.
One end that the side plate 51 of described heat sink 5 contacts with end cap is provided with the step-like flange 55 extending in end cap 3,
Described end cap 3 is coated with this step-like flange 55 and contacts on side plate 51 end face of heat sink 5.
Making the side plate 1 of heat sink 5 increase with the contact area of end cap 3, transmission heat is more efficient.
Claims (8)
1. a cut-offing protecting switch for high efficiency and heat radiation, the contact assembly including housing, being arranged in housing, is covered on housing mouth
The end cap in portion and the button of driving contact assembly break-make, housing outer surface is provided with heat sink, it is characterised in that: described heat radiation
Plate includes the side plate being symmetricly set on housing both sides and is attached at the connecting bottom board of housing bottom surface, these connecting bottom board both sides respectively with
The side plate heat conduction of both sides connects.
The cut-offing protecting switch of high efficiency and heat radiation the most according to claim 1, it is characterised in that: the connection of described heat sink
Base plate is one-body molded U-shaped with the side plate of both sides, and described housing is provided with the cavity suitable with heat sink shape, described
Heat sink card is installed in housing cavity.
The cut-offing protecting switch of high efficiency and heat radiation the most according to claim 2, it is characterised in that: described housing cavity and side
The resistance surface of plate contact is provided with clamping projection, and on the side plate of described heat sink, the position of corresponding clamping projection is provided with grab,
This grab is connected towards one end hook of housing oral area with clamping projection.
4. according to the cut-offing protecting switch of the high efficiency and heat radiation described in claim 1 or 2 or 3, it is characterised in that: described heat sink phase
Outer surface for resistance surface is provided with heat radiation groove.
The cut-offing protecting switch of a kind of high efficiency and heat radiation the most according to claim 4, it is characterised in that: described heat radiation groove in
Taper and towards resistance surface one end shrink arrange.
The cut-offing protecting switch of high efficiency and heat radiation the most according to claim 1, it is characterised in that: describedConnecting bottom boardOn set
It is equipped with the through hole exposing outside housing for the controllable silicon in contact assembly.
The cut-offing protecting switch of high efficiency and heat radiation the most according to claim 1, it is characterised in that: the side plate of described heat sink with
End cap is conflicted and is coordinated, and described end cap is that metal heat-conducting material is made.
The cut-offing protecting switch of high efficiency and heat radiation the most according to claim 7, it is characterised in that: the side plate of described heat sink
The one end contacted with end cap is provided with the step-like flange extending in end cap, and described end cap is coated with this step-like flange and contacts at
On the side plate end face of heat sink.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620649535.6U CN205692727U (en) | 2016-06-23 | 2016-06-23 | A kind of cut-offing protecting switch of high efficiency and heat radiation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620649535.6U CN205692727U (en) | 2016-06-23 | 2016-06-23 | A kind of cut-offing protecting switch of high efficiency and heat radiation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205692727U true CN205692727U (en) | 2016-11-16 |
Family
ID=57426793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620649535.6U Active CN205692727U (en) | 2016-06-23 | 2016-06-23 | A kind of cut-offing protecting switch of high efficiency and heat radiation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205692727U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109757043A (en) * | 2017-11-01 | 2019-05-14 | 光宝科技股份有限公司 | Switching device |
-
2016
- 2016-06-23 CN CN201620649535.6U patent/CN205692727U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109757043A (en) * | 2017-11-01 | 2019-05-14 | 光宝科技股份有限公司 | Switching device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |