CN202915302U - Downlight heat-dissipation body - Google Patents
Downlight heat-dissipation body Download PDFInfo
- Publication number
- CN202915302U CN202915302U CN2012205206505U CN201220520650U CN202915302U CN 202915302 U CN202915302 U CN 202915302U CN 2012205206505 U CN2012205206505 U CN 2012205206505U CN 201220520650 U CN201220520650 U CN 201220520650U CN 202915302 U CN202915302 U CN 202915302U
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- CN
- China
- Prior art keywords
- down lamp
- dissipation base
- heat
- fin
- heat dissipation
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- 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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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
A downlight heat-dissipation body comprises a heat-dissipation base body with two ends provided with open cavities. The open cavity positioned at one end of the heat-dissipation base body is a horn-opening-shaped optical cavity, the open cavity positioned at the other end of the heat-dissipation base body is a barrel-shaped power source cavity with the side provided with an opening, and a joined part of the optical cavity and the power source cavity is a light source base plate. The downlight heat-dissipation body further comprises cooling fins, the cooling fins are connected to the periphery of the heat-dissipation base body, the cooling fins at the joint of the heat-dissipation base body are pistil-shaped, and the downlight cooling fins are Y-shaped. The downlight heat-dissipation body is formed by integrated die-casting. Pistil-shaped structure transition is arranged on the cooling fins, marks of an ejector rob during demolding are ground flush by machining, protrusions at the position of an original ejector rob are eliminated, so that the whole downlight heat-dissipation body is attractive and elegant. Simultaneously, connection between the cooling fins and the heat-dissipation base body is also reinforced, so that the downlight heat-dissipation body is difficult to break in the forming process. Simultaneously, due to the reasonable number and arrangement of the cooling fins, a downlight can have extremely good heat dissipation effect.
Description
Technical field
The utility model belongs to the manufacturing of LED Down lamp mould combine with the light fixture outward appearance field, particularly a kind of Down lamp radiator.
Background technology
LED Down lamp radiator multiselect compression molding process has the squamous fin on the radiator at present.For making things convenient for the radiator demoulding, can make the push rod position at the end face of radiator, the position often is selected on the fin, push rod be shaped as cylindric more than or equal to five millimeters of diameter, the cylinder of push rod position can be stayed on the fin after the radiator demoulding, affects the original outward appearance of radiator.And the number of fin and arrange can affect the radiating effect of Down lamp, the number of therefore rational fin and arrange and can make Down lamp reach good radiating effect.
The utility model content
Affect problem of appearance after the radiator moulding in order to solve above-mentioned mould process, make the radiator overall appearance generous, and make Down lamp reach preferably radiating effect, the utility model provides a kind of Down lamp radiator.
For solving above-mentioned technical problem, the utility model by the following technical solutions:
A kind of Down lamp radiator, comprise that two ends are the heat dissipation base of beginning to speak, described heat dissipation base one end is begun to speak as being the optics cavity of bell mouth shape, and the described heat dissipation base other end is begun to speak as the side has the tubular power source cavity of opening, and described optics cavity and power source cavity convergence part are divided into the light source base plate; Described Down lamp radiator also comprises fin, and it is peripheral that described fin is connected to described heat dissipation base; Be the pistil shape with the fin of heat dissipation base junction; Described Down lamp fin is " bifurcation " shape.
Further technical scheme is: described fin is perpendicular to heat dissipation base, and the center extended line of fin is compiled in the center of heat dissipation base.
Further technical scheme is: the angle between the adjacent fin is 25 ° to 30 °.
Further technical scheme is: the height of described fin is 50 ~ 70mm.
Further technical scheme is: the fin top thickness that is pistil shape structure with the heat dissipation base junction is 5 ~ 6mm.
Further technical scheme is: be convenient to the hole that is connected with the Down lamp miscellaneous part near being provided with two on the light source base plate of light-source chamber opening part.Be provided with on the light source base plate of heat dissipation base inside simultaneously and be convenient to the hole that light source is fixed with power supply, the mistake line is connected.Described light-source chamber opening is to be convenient to power module be electrically connected with outside city by binding post, and described hole is to be fixedly connected on the radiator for the ease of binding post etc.
Further technical scheme is: the diameter of described light source base plate is greater than the diameter of described power source cavity and optics cavity.
Further technical scheme is: have two through holes on the light source base plate of described heat dissipation base periphery at least, be used for the Down lamp radiator and be fixedly connected with the Down lamp miscellaneous part.
Further technical scheme is: the width of described power source cavity lateral opening is 36mm.This opening for example makes binding post spacing in order to cooperate with other structural members.
Further technical scheme is: described radiator is the integrated die-casting moulding.
The beneficial effects of the utility model are: 1, owing to be provided with pistil shape structure at fin, mandril position is put and is placed on the pistil shape structure, behind the radiator mould molding, polishes the push rod position through machined, make the radiator overall appearance generous, eliminate the lofty sense of original push rod position; The transition of pistil shape is set, reinforced being connected of fin and heat dissipation base, make in its forming process not easy fracture.2, the Down lamp radiator is provided with optics cavity and power source cavity, and the parts of Down lamp are installed concentratedly in the Down lamp radiator, has saved installing space, and convenient the installation saved the Down lamp cost simultaneously.3, the rational shape of fin, number and arrange and to make Down lamp reach good radiating effect.
Description of drawings
Fig. 1 is the utility model Down lamp radiator schematic perspective view.
Fig. 2 is the utility model Down lamp radiator schematic top plan view.
Fig. 3 is the schematic diagram of the utility model fin.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.
See figures.1.and.2, be depicted as stereogram and the top view of Down lamp radiator.The Down lamp radiator comprises heat dissipation base 1, fin 2.Heat dissipation base 1 two ends are for beginning to speak, and heat dissipation base one end begins to speak to be the optics cavity 6 that is bell mouth shape, in this optics cavity 6 light source module can be set; The described heat dissipation base other end is begun to speak as the side has the tubular power source cavity 7 of opening, in this power source cavity 7 power module can be set; Described optics cavity 6 and power source cavity 7 convergence parts are divided into light source base plate 4, and the diameter of light source base plate 4 is greater than the diameter of optics cavity 6 and power source cavity 7.Fin 2 equidistantly is connected to the periphery of heat dissipation base 1 dispersedly, and the bottom of fin is connected with the power supply base plate, is pistil shape structure with the fin 2 of heat dissipation base 1 junction, and whole fin 2 is overlooked and is " bifurcation " shape.Described fin 2 is perpendicular to heat dissipation base 1, and the center extended line of fin is compiled in the center of heat dissipation base.According to an embodiment of the present utility model, the angle between the adjacent fin is 25 ° to 30 °.According to another embodiment of the present utility model, the height of described fin is 50-70mm.An opening 3 is arranged on the light-source chamber of heat dissipation base, and according to an embodiment of the present utility model, the width of opening 3 is 36mm, and certainly, the width of this opening can be according to determining with the size of radiator attaching parts; Be provided with two holes 8 near on the power supply base plate of opening 3 inboards, this opening 3 is used for the Down lamp radiator with hole 8 and is fixedly connected with other structures, and for example the Down lamp radiator is fixedly connected with binding post.Also be provided with the hole (not shown) that a plurality of radiators are connected with miscellaneous part on the power supply base plate of heat dissipation base inside.Be provided with at least two through holes 5 on the light source base plate 4 of heat dissipation base periphery, this through hole 5 is to be connected with the Down lamp miscellaneous part for the ease of radiator, the miscellaneous part of radiator and Down lamp is fixed together, and the quantity of through hole 5, size and position can be adjusted according to the actual size of Down lamp.Radiator is integrated die cast.
With reference to Fig. 3, be depicted as the schematic diagram of the utility model fin.Fin comprises pistil shape part 31 and straight line portion 32, pistil shape part 31 part for directly being connected with heat dissipation base, and straight line portion 32 is to overlook the part that is " " with pistil shape part 31 is joined.Ejector pin of die set 33 is arranged on pistil shape part, because the big or small size more than or equal to ejector pin of die set of pistil shape part, so behind the mould molding, can polish mould push rod position through machined.According to an embodiment of the present utility model, the thickness of fin pistil shape part 31 is 5-6mm.
According to embodiment of the present utility model, whole radiator is integrated die cast.During mould molding, for conveniently stripped push rod is placed on fin pistil shape part, pistil shape part size is more than or equal to the size of top rod mold, after the demoulding, polish mould push rod position through machined, namely can eliminate the marking that push rod stays, make the radiator overall appearance.
Although the above is described the illustrative specific embodiment of the utility model; so that those skilled in the art understand the utility model; but should be clear; the utility model is not limited to the scope of the specific embodiment; to those skilled in the art; as long as various variations appended claim limit and the spirit and scope of the present invention determined in, these variations are apparent, all innovation and creation that utilize the utility model design are all at the row of protection.
Claims (10)
1. Down lamp radiator, it is characterized in that comprising that two ends are the heat dissipation base of beginning to speak, described heat dissipation base one end is begun to speak as being the optics cavity of bell mouth shape, the described heat dissipation base other end is begun to speak as the side has the tubular power source cavity of opening, and described optics cavity and power source cavity convergence part are divided into the light source base plate; Described Down lamp radiator also comprises fin, and it is peripheral that described fin is connected to described heat dissipation base; Be the pistil shape with the fin of heat dissipation base junction; Described Down lamp fin is " bifurcation " shape.
2. Down lamp radiator according to claim 1 is characterized in that described fin perpendicular to heat dissipation base, and the center extended line of fin is compiled in the center of heat dissipation base.
3. Down lamp radiator according to claim 2 is characterized in that the angle between the adjacent fin is 25 ° to 30 °.
4. Down lamp radiator according to claim 1, the height that it is characterized in that fin is 50-70mm.
5. Down lamp radiator according to claim 1, the fin top thickness that it is characterized in that being with the heat dissipation base junction pistil shape structure is 5-6mm.
6. Down lamp radiator according to claim 1 is characterized in that being convenient to the hole that is connected with the Down lamp miscellaneous part near being provided with two on the light source base plate of light-source chamber opening inboard.
7. Down lamp radiator according to claim 1 is characterized in that the diameter of described light source base plate is greater than the diameter of described power source cavity and optics cavity.
8. Down lamp radiator according to claim 7 is characterized in that having two through holes at least on the light source base plate of described heat dissipation base periphery, is used for the Down lamp radiator and is fixedly connected with the Down lamp miscellaneous part.
9. Down lamp radiator according to claim 1, the width that it is characterized in that described heat dissipation base upper shed is 36mm.
10. Down lamp radiator according to claim 1 is characterized in that described Down lamp radiator is the integrated die-casting moulding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205206505U CN202915302U (en) | 2012-10-11 | 2012-10-11 | Downlight heat-dissipation body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205206505U CN202915302U (en) | 2012-10-11 | 2012-10-11 | Downlight heat-dissipation body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202915302U true CN202915302U (en) | 2013-05-01 |
Family
ID=48163614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012205206505U Expired - Fee Related CN202915302U (en) | 2012-10-11 | 2012-10-11 | Downlight heat-dissipation body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202915302U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2565556A1 (en) * | 2015-09-18 | 2016-04-05 | Simon, S.A.U. | Heat dissipator |
-
2012
- 2012-10-11 CN CN2012205206505U patent/CN202915302U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2565556A1 (en) * | 2015-09-18 | 2016-04-05 | Simon, S.A.U. | Heat dissipator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130501 Termination date: 20151011 |
|
| EXPY | Termination of patent right or utility model |