CN206656169U - A kind of LED heat spreader structures - Google Patents
A kind of LED heat spreader structures Download PDFInfo
- Publication number
- CN206656169U CN206656169U CN201621212046.0U CN201621212046U CN206656169U CN 206656169 U CN206656169 U CN 206656169U CN 201621212046 U CN201621212046 U CN 201621212046U CN 206656169 U CN206656169 U CN 206656169U
- Authority
- CN
- China
- Prior art keywords
- radiating piece
- heat spreader
- spreader structures
- accommodating cavity
- led heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model provides a kind of LED heat spreader structures, housing, radiating piece；The housing has an accommodating cavity, and one end of the accommodating cavity is openend；The periphery of the openend is provided with neck；One end of the radiating piece has an opening, and radiating piece is interior to extend a heat dissipation cavity along the direction for keeping away mouth；The opening outer of radiating piece stretches out a circle shirt rim along radial level；When the radiating piece is placed in accommodating cavity body, the shirt rim connects and fixes with neck.A kind of LED heat spreader structures that the utility model provides, it is relatively low to the requirement on machining accuracy of radiating piece, save the yield rate and production cost of LED bulb.
Description
Technical field
It the utility model is related to the structure of housing and radiating piece in lighting device, more particularly to lighting device.
Background technology
Along with the commonly used of LED lamp, its utilization rate how is lifted, reduces repair rate, extends using effect, for the moment
Between turn into discuss topic warmly.LED lamp is commonly applied to multiple places such as each emporium, office building, street, but its still because
Heat dissipation problem and cause cost slightly higher.To seize market, major Materials Co., Ltd constantly releases the brand-new development project of radiating sleeve machine,
From initial metal aluminium shell to ceramic, and plastic heat radiation material, these are provided to preferably pass heat
Export is gone.
Aluminium is best heat sink material, but aluminum products are expensive and frequency of use is relatively low, and technique is in itself by very big
Limitation, thus style is few, limits the speed of its development and renewal in the past for a long time.Plastics are insulator in itself, and thermal diffusivity
Can be preferably cheap, but for opposing metallic, heat dispersion is weaker, and moulding alclad turns into radiating first choice.
But, modeling alclad technique is very high to the requirement on machining accuracy of radiating piece i.e. aluminum component, and the surface of aluminum component must be sufficient
Enough smooth seamless surfaces that could be realized in aluminum component wrap up the purpose of plastics, once the machining accuracy of aluminum component does not reach requirement, aluminium
Part is easy for coming off from plastics, cause mould alclad cost it is higher, yields is also than relatively low.
Utility model content
Technical problem underlying to be solved in the utility model is to provide a kind of LED heat spreader structures, and radiating piece is added
Work required precision is relatively low, is effectively saved the yield rate and production cost of LED bulb.
In order to solve above-mentioned technical problem, the utility model provides a kind of LED heat spreader structures, including：Housing, dissipate
Warmware；
The housing has an accommodating cavity, and one end of the accommodating cavity is openend；The periphery of the openend is provided with
Neck；One end of the radiating piece has an opening, and radiating piece is interior to extend a heat dissipation cavity along the direction for keeping away mouth；Radiating piece
Opening outer stretch out a circle shirt rim along radial level；When the radiating piece is placed in accommodating cavity body, the shirt rim and card
Groove connects and fixes.
In a preferred embodiment：The neck is four, angle in 90 ° between adjacent two necks.
In a preferred embodiment：The inwall of the accommodating cavity is provided with equally distributed a plurality of ribs, the rib
Towards the axle center evagination of accommodating cavity.
In a preferred embodiment：The rib is stair-stepping first step.
In a preferred embodiment：The opening of the radiating piece is provided with second step；The radiating piece is as accommodating cavity
When interior, the second step and first step contact.
In a preferred embodiment：Also include a LED lamp panel, it is positioned over the wherein one-level step of the second step and put down
On platform, directly contacted with radiating piece.
In a preferred embodiment：The LED lamp panel electrically connects with one end of one drive circuit, the drive circuit it is another
End is extended in the heat dissipation cavity.
In a preferred embodiment：The openend of the housing is additionally provided with a circle flange above the first step.
In a preferred embodiment：Also include a lampshade, there is a circle to be engaged by clamping with the flange for the end of the lampshade
Groove.
Compared to prior art, the technical solution of the utility model possesses following beneficial effect：
A kind of LED heat spreader structures provided by the utility model, because housing and radiating piece are by the way of mechanical snap
It is fixed, compared to the form of traditional modeling alclad, this mode requires all significantly for the machining accuracy of aluminum component and cleaning
Reduce, yields can be lifted well.
Secondly, lamp plate directly contacts with radiating piece, and contact area is depending on the step plane area of radiating piece, therefore,
Area of dissipation can be made very big, effectively increase radiating efficiency.
When using low power LED lamp panel, aluminum component can be taken out, the step that lamp plate is directly positioned over to first step is put down
On face, radiated by working of plastics.Because low power LED lamp panel caloric value is little, therefore such structure also disclosure satisfy that
It is required that.In the case of need not so molding in addition again, it becomes possible to realize and take out the purpose that aluminum component is individually radiated with working of plastics, this
Be modeling alclad structure it is incomparable.
Brief description of the drawings
Fig. 1 is the Structure explosion diagram of the utility model preferred embodiment；
Fig. 2 is the structure sectional view of the utility model preferred embodiment；
Fig. 3 is Fig. 2 partial enlarged drawing；
Fig. 4 is the structural representation of housing in the utility model preferred embodiment.
Embodiment
The technical solution of the utility model is described further below in conjunction with accompanying drawing.
With reference to figure 1-4, a kind of LED bulb, including：Lampshade 1, housing 2, radiating piece 3, lamp plate 4, lamp holder 5 and drive circuit
6；
The both ends of the housing 2 are respectively openend, have one along the direction of two openend distributions in the housing 2
Accommodating cavity 21；The openend of the one end of housing 2 is connected with lamp holder 5, and the other end is connected with lampshade 1；
The inwall of the accommodating cavity 21 has a circle flange 22 close to the side of lampshade 1, and the flange 22 is away from lampshade 1
Side is additionally provided with a plurality of necks 23, and in the present embodiment, the neck 23 is four, in 90 ° between adjacent two necks 23
Angle..The end face of the lampshade 1 is provided with a groove 11 towards the axis indent of lampshade 1, and the bottom face of the groove 11 is along level
Direction evagination, form the hook portion 12 with the clamping of flange 22；Pass through the resigning of groove 11 so that flange 22 is stretched into groove 11
With the clamping of hook portion 12, so as to complete the installation of lampshade 1 and housing 2.
The circle shirt rim 31 of outward opening extension one of the radiating piece 3, the shirt rim 31 and the clamping of neck 23, and with the hook portion
12 end face contact.Therefore, by the clamping of shirt rim 31 and neck 23, and the contact of hook portion 12, it becomes possible to realize radiating piece
3 are fixedly installed in the purpose in accommodating cavity 21.After such separate design, the requirement of the machining accuracy of radiating piece 3 is significantly
It has dropped, ensure that yield rate.Compared to the mode of conventional modeling alclad, cost is greatlyd save.
The inwall of the accommodating cavity 21 is provided with equally distributed a plurality of ribs 24, and the rib 24 is towards accommodating cavity 21
Axle center evagination, form stair-stepping first step；When the radiating piece 3 is recessed second step 33 in correspondence position, so as to
So that when radiating piece 3 is placed in the accommodating cavity 21, second step 33 and the first step contact of radiating piece 3；Therefore, radiating piece
On heat can be conducted in time by rib 24 to accommodating cavity 21 after discharge, strengthen radiating effect.
In the present embodiment, the housing 2 from the openend that lampshade 1 is connected to the openend being connected with lamp holder 5, have open
The structure of mouth reduced diameter.
One end of the radiating piece 3 has an opening, and radiating piece 3 is interior to extend a heat dissipation cavity along the direction for keeping away mouth
32；The lamp plate 4 is placed in the wherein one-level step platform of the second step 33.Lamp plate 4 and radiating are increased after so designing
The contact area of part 3, had both added the mounting stability of lamp plate 4, added radiating effect of the radiating piece 3 to lamp plate 4 again.It is described
Drive circuit 6 is electrically connected with lamp plate and extended in heat dissipation cavity 32.Heat caused by drive circuit 6 can also distribute to scattered in time
In hot chamber 32, and shed by rib 24.The radiating effect of whole lamp is all relatively good.
When using low power LED lamp panel 6, radiating piece 3 can be taken out, lamp plate 6 is directly positioned over first step
On step plane, radiated by housing 2.Because the caloric value of low power LED lamp panel 6 is little, therefore such structure also can
It is enough to meet to require.In the case of need not so molding in addition again, it becomes possible to realize that take out radiating piece 3 is individually radiated with housing 2
Purpose, this be modeling alclad structure it is incomparable.
Above-mentioned housing 2 and the structure of radiating piece 3, except applied in above-mentioned ball bulb, can be also used for various LED
In illuminations, the present embodiment is no longer illustrated one by one.
The utility model is not limited to foregoing embodiment.Above-described embodiment should not be considered as limiting this practicality
New scope.Those skilled in the art can modify and become while foregoing detailed description is read and understood
Change.Specific protection domain should be defined by claims.
Claims (9)
- A kind of 1. LED heat spreader structures, it is characterised in that including：Housing, radiating piece；The housing has an accommodating cavity, and one end of the accommodating cavity is openend；The periphery of the openend is provided with neck； One end of the radiating piece has an opening, and radiating piece is interior to extend a heat dissipation cavity along the direction for keeping away mouth；Radiating piece is opened Mouthful outer stretches out a circle shirt rim along radial level；When the radiating piece is placed in accommodating cavity body, the shirt rim and neck card Connect fixation.
- A kind of 2. LED heat spreader structures according to claim 1, it is characterised in that：The neck be four, adjacent two Angle in 90 ° between individual neck.
- A kind of 3. LED heat spreader structures according to claim 1, it is characterised in that：The inwall of the accommodating cavity is provided with Equally distributed a plurality of ribs, axle center evagination of the rib towards accommodating cavity.
- A kind of 4. LED heat spreader structures according to claim 3, it is characterised in that：The rib is stair-stepping first Step.
- A kind of 5. LED heat spreader structures according to claim 4, it is characterised in that：The opening of the radiating piece is provided with the Two steps；When the radiating piece is as in accommodating cavity body, the second step and first step contact.
- A kind of 6. LED heat spreader structures according to claim 5, it is characterised in that：Also include a LED lamp panel, it is placed In in the wherein one-level step platform of the second step, directly contacted with radiating piece.
- A kind of 7. LED heat spreader structures according to claim 6, it is characterised in that：The LED lamp panel and one drive circuit One end electrical connection, the other end of the drive circuit extended in the heat dissipation cavity.
- A kind of 8. LED heat spreader structures according to claim 7, it is characterised in that：The openend of the housing is described A circle flange is additionally provided with above first step.
- A kind of 9. LED heat spreader structures according to claim 8, it is characterised in that：Also include a lampshade, the end of the lampshade The groove that end is engaged by clamping with a circle with the flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621212046.0U CN206656169U (en) | 2016-11-10 | 2016-11-10 | A kind of LED heat spreader structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621212046.0U CN206656169U (en) | 2016-11-10 | 2016-11-10 | A kind of LED heat spreader structures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206656169U true CN206656169U (en) | 2017-11-21 |
Family
ID=60313471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621212046.0U Expired - Fee Related CN206656169U (en) | 2016-11-10 | 2016-11-10 | A kind of LED heat spreader structures |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206656169U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12007080B2 (en) | 2020-10-13 | 2024-06-11 | Signify Holding B.V. | Deep-drawn MCPCB |
-
2016
- 2016-11-10 CN CN201621212046.0U patent/CN206656169U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12007080B2 (en) | 2020-10-13 | 2024-06-11 | Signify Holding B.V. | Deep-drawn MCPCB |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171121 Termination date: 20191110 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |