CN104180349A - Heat sink and light-emitting diode (LED) lamp - Google Patents
Heat sink and light-emitting diode (LED) lamp Download PDFInfo
- Publication number
- CN104180349A CN104180349A CN201410451108.2A CN201410451108A CN104180349A CN 104180349 A CN104180349 A CN 104180349A CN 201410451108 A CN201410451108 A CN 201410451108A CN 104180349 A CN104180349 A CN 104180349A
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- Prior art keywords
- metalwork
- radiator
- moulding
- noumenon
- base portion
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- Fastening Of Light Sources Or Lamp Holders (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention relates to a heat sink and a light-emitting diode (LED) lamp. The heat sink comprises a first metal piece, a second metal piece, a first plastic piece, a second plastic piece and an injection molding shell which cases the metal pieces and the plastic pieces, wherein the first metal piece comprises a first body, a first fixing portion and a first inserting pin, the second metal piece comprises a second body, a second fixing portion and a second inserting pin, the second metal piece and the first metal piece defines an accommodating cavity and are electrically isolated from each other, a first snapping slot is formed in the surface of the inner side of the first body, a second snapping slot opposite to the first snapping slot is formed in the surface of the inner side of the second body, the second plastic piece and the first plastic piece are matched with each other to be installed in the positions of the first fixing portion and the second fixing portion so that the first metal piece and the second metal piece are oppositely positioned, and the first inserting pin and the second inserting pin are exposed outside the injection molding shell. The heat sink is simple in assembly, easy to automatically produce, and meanwhile, good in heat dissipation.
Description
Technical field
The present invention relates to lighting device, refer more particularly to a kind of radiator structure of the LED of being applicable to light fixture.
Background technology
Chinese patent CN201220070894.8 has disclosed a kind of radiator structure of LED lamp, comprises plastic casing and metalwork as radiator, and this plastic casing outside forms some fins; This metalwork is the cylindrical body of both ends open, middle inside in cylindrical body forms dividing plate, the LED chip of this LED lamp is fixed on the below of this dividing plate, and this metalwork is together with structure after plastic casing injection moulding, and the wiring board of this LED lamp is arranged on the top of this dividing plate.The LED lamp of this structure, need to configure two pins individually, when assembling, first these two pins will be fixed to the bottom of lamp holder, then two pins of two inputs and these on driven unit are electrically connected to respectively, and assembling procedure is many; Meanwhile, two inputs and lead location and length between this two pins on driven unit are inconsistent, cause assembling inconvenience, and uniformity is bad, has a strong impact on production efficiency.
Summary of the invention
The technical problem to be solved in the present invention is, the above-mentioned defect for prior art, proposes a kind of radiator, can simplify the packaging technology of LED lamp.
The technical solution adopted for the present invention to solve the technical problems is: a kind of radiator is provided, comprise the first metalwork, the second metalwork, the first plastic parts, the injection-moulded housing of the second plastic parts and coated these metalworks and plastic parts periphery, wherein, described the first metalwork comprises the first noumenon, by downward extended the first fixed part of the first noumenon with by further downward extended the first pin of the first fixed part, described the second metalwork comprises the second body, by downward extended the second fixed part of the second body with by further downward extended the second pin of the second fixed part, described the second metalwork and the first metalwork enclose out a host cavity and mutual electrical isolation, the inner surface of described the first noumenon is formed with the first draw-in groove, the inner surface of described the second body is formed with second draw-in groove relative with described the first draw-in groove, described the second plastic parts and the first plastic parts cooperatively interact and are installed in described the first fixed part and the second fixed part and sentence and make described the first metalwork and the second metalwork relative positioning, described the first pin and the second pin expose to described injection-moulded housing.
Further preferred version of the present invention is: the profile of described the first noumenon is the conical surface, and the profile of described the second body is the conical surface, and described the second body and the first noumenon enclose out upper and lower both ends open and have the twice relative spacing Cone chaptrel exterior feature of vertical direction.
Further preferred version of the present invention is: described the first moulding comprises the first base portion and is arranged on the first clamping part on the first base portion, described the second moulding comprises the second base portion and be arranged on the second clamping part on the second base portion, and described the second clamping part coordinates with the first clamping part so that described the second moulding and the first moulding combine.
Further preferred version of the present invention is: described the first base portion is semi-cylindrical, and described the second base portion is semi-cylindrical, and the combination of described the second moulding and the first moulding is cylindric.
Further preferred version of the present invention is: described the first clamping part is included on vertical plane flatly extended two grabs, and described the second clamping part comprises two fixture blocks corresponding with these two grabs.
Further preferred version of the present invention is: the inner side of described the first metalwork is formed with the first support face lower than the level of end face; The inner side of described the second metalwork is formed with the second support face lower than the level of end face, and described the second support face is concordant with the first support face.
Further preferred version of the present invention is: described the first metalwork and described the second metalwork are symmetrical.
Further preferred version of the present invention is: described the first noumenon is provided with the first perforation, and described the second body is provided with the second perforation, and described injection-moulded housing is formed with two erection columns that are arranged in respectively described the first perforation and biperforate vertical extension.
The technical solution adopted for the present invention to solve the technical problems is still: a kind of LED light fixture is provided, comprises aforesaid radiator.
Further preferred version of the present invention is: described LED light fixture also comprises the driven unit in the host cavity that is plugged in vertically described radiator and the LED light source that is flatly installed in the top of described radiator.
Beneficial effect of the present invention is, injection-moulded housing by two metalworks, two mouldings and coated these metalworks and plastic parts periphery forms radiator dexterously, two pins that this radiator had match with lamp socket and in order to assemble two draw-in grooves of driven unit, can greatly simplify the packaging technology of LED light fixture, be easy to automated production, heat radiation is good simultaneously.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the front view of LED light fixture of the present invention.
Fig. 2 be in Fig. 1 B-B to section signal.
Fig. 3 is the exploded perspective view of LED light fixture of the present invention.
Fig. 4 is the exploded perspective view of radiator of the present invention.
Fig. 5 is the stereogram of radiator inner radiator of the present invention.
Fig. 6 is the exploded perspective view of radiator inner radiator of the present invention.
Fig. 7 is the stereogram of the first metalwork in radiator of the present invention.
Fig. 8 is the stereogram of the second metalwork in radiator of the present invention.
Fig. 9 is the stereogram of the first moulding in radiator of the present invention.
Figure 10 is the stereogram of the second moulding in radiator of the present invention.
The specific embodiment
Now by reference to the accompanying drawings, preferred embodiment of the present invention is elaborated.
Fig. 1 is the front view of LED light fixture of the present invention.Referring to Fig. 1, LED light fixture of the present invention roughly comprises: radiator 1, be installed in the cell-shell 4 on the top of this radiator 1.Wherein, radiator 1 has the first pin 112 and the second pin 122.These two pins 112,122 of this LED light fixture can be connected with two electrodes on a lamp socket (scheming not shown).
Fig. 2 be in Fig. 1 B-B to section signal.Referring to Fig. 2, this LED light fixture also comprises the driven unit 2 being installed in this radiator 1 and the LED light source 3 that is encapsulated in the top of this radiator 1 by this cell-shell 4.This LED light source 3 is connected with this driven unit 2.Wherein, the outside of this radiator 1 is formed with an injection-moulded housing 15.The bottom of this radiator 1 is provided with the first moulding 13 and the second moulding 14 being mutually clasped.This radiator 1 is formed with host cavity 19.This driven unit 2 is to be plugged in vertically in this host cavity 19.This LED light source 3 is the tops that are flatly installed in this radiator 1.This LED light source 3 is by the securing member 5 such as screw, to be flatly installed in the top of this second body 12.
Fig. 3 is the exploded perspective view of LED light fixture of the present invention.Referring to Fig. 3, this LED light fixture comprises loose radiator 1, driven unit 2, LED light source 3, cell-shell 4 and securing member 5.This radiator 1 has host cavity 19.Driven unit 2 is that correspondence is installed in this host cavity 19.This driven unit 2 has two inputs 21,22, and these two inputs 21,22 are electrically connected to the first metalwork 11, second metalwork 12 of two mutual electrical isolation respectively.Particularly, in first draw-in groove 113 of input 21 corresponding inserted on the first metalwork 11 and form tight fit in the present embodiment, input 21,22 is for being installed in shell fragment or the weld tabs of the circuit board both sides of driven unit 2.LED light source 3 is to coordinate with the erection column 151 of vertical extension on injection-moulded housing 15 top that is fixed on the first metalwork 11 and the second metalwork 12 by securing member 5.
Fig. 4 is the exploded perspective view of radiator of the present invention.Fig. 5 is the stereogram of radiator inner radiator of the present invention.Fig. 6 is the exploded perspective view of radiator inner radiator of the present invention.Fig. 7 is the stereogram of the first metalwork in radiator of the present invention.Fig. 8 is the stereogram of the second metalwork in radiator of the present invention.Fig. 9 is the stereogram of the first moulding in radiator of the present invention.Figure 10 is the stereogram of the second moulding in radiator of the present invention.Referring to Fig. 4 to Figure 10, this radiator 1 is comprised of the first metalwork 11, the second metalwork 12, the first moulding 13, the second moulding 14 and injection-moulded housing 15.Wherein, this first metalwork 11, the second metalwork 12, the first moulding 13 and the second moulding 14 are combined into a radiator, and this injection-moulded housing 15 is coated on the periphery of this radiator.Particularly, this first metalwork 11 roughly comprise the first noumenon 111, by downward extended the first fixed part 116 of the first noumenon 111 and by further extended the first pin 112 downwards of the first fixed part 116.The medial surface of this first noumenon 111 is formed with the first draw-in groove 113.On this first noumenon 111, be also formed with the first perforation 114.Wherein, an erection column 151 on this injection-moulded housing 15 is arranged in this first perforation 114.The inner side of this first noumenon 111 is formed with the first support face 115 lower than the level of end face.This second metalwork 12 is symmetrical with this first metalwork 11.Particularly, this second metalwork 11 roughly comprise the second body 121, by downward extended the second fixed part 126 of the second body 121 and by further extended the second pin 122 downwards of the second fixed part 126.The medial surface of this second body 111 is formed with the second draw-in groove 123.On this second body 111, be also formed with the second perforation 124.Wherein, another erection column 151 on this injection-moulded housing 15 is arranged in this second perforation 124.The inner side of this second body 111 is formed with the second support face 125 lower than the level of end face.This second support face 125 is concordant with the first support face 115.In the present embodiment, the profile of the first noumenon 111 is the conical surface, and the profile of the second body 121 is the conical surface, and the second body 121 and the first noumenon 111 enclose out upper and lower both ends open and have the twice relative spacing Cone chaptrel exterior feature of vertical direction.This first moulding 13 comprises the first base portion 131 and is arranged on the first clamping part on the first base portion 131.This first clamping part is included on vertical plane flatly extended two grabs 132,133.This second moulding 14 comprises the second base portion 141 and is arranged on the second clamping part on the second base portion 141.This second clamping part comprises two fixture blocks corresponding with these two grabs 132,133.One of them fixture block 143 is corresponding with grab 133, and another fixture block is arranged in groove 142 corresponding with grab 132.In the present embodiment, the first base portion 131 is semi-cylindrical, and the second base portion 141 is semi-cylindrical, and the combination of the second moulding 14 and the first moulding 13 is cylindric.
The assembling process of LED light fixture of the present invention roughly comprises: driven unit 2 plugged in first draw-in groove 114 and the second draw-in groove 124 of radiator 1, and the first draw-in groove 113, the second draw-in groove 123 that make two inputs 21,22 on driven unit 2 and radiator 1 tight fits respectively; LED light source plate 3 is attached on the support face 115,125 of radiator 1 inner side, clinch fastener 5, then coat fluid sealant on the plastic liner of radiator 1, cell-shell 4 is put into radiator 1, until the bottom surface of cell-shell 4 is adjacent to the wall on the top of radiator 1.
Compared with prior art, radiator of the present invention and LED light fixture, injection-moulded housing 15 by 11,12 and two mouldings 13,14 of two metalworks and coated these metalworks 11,12 and plastic parts 13,14 peripheries forms radiator 1 dexterously, two pins 112,122 that this radiator 1 had match with lamp socket and in order to assemble two draw-in grooves 113,123 of driven unit 2, can simplify the packaging technology of LED light fixture greatly.
Should be understood that, above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit, for a person skilled in the art, the technical scheme that can record above-described embodiment is modified, or part technical characterictic is wherein equal to replacement; And these modifications and replacement all should belong to the protection domain of claims of the present invention.
Claims (10)
1. a radiator, it is characterized in that, comprise the first metalwork, the second metalwork, the first plastic parts, the injection-moulded housing of the second plastic parts and coated these metalworks and plastic parts periphery, wherein, described the first metalwork comprises the first noumenon, by downward extended the first fixed part of the first noumenon with by further downward extended the first pin of the first fixed part, described the second metalwork comprises the second body, by downward extended the second fixed part of the second body with by further downward extended the second pin of the second fixed part, described the second metalwork and the first metalwork enclose out a host cavity and mutual electrical isolation, the inner surface of described the first noumenon is formed with the first draw-in groove, the inner surface of described the second body is formed with second draw-in groove relative with described the first draw-in groove, described the second plastic parts and the first plastic parts cooperatively interact and are installed in described the first fixed part and the second fixed part and sentence and make described the first metalwork and the second metalwork relative positioning, described the first pin and the second pin expose to described injection-moulded housing.
2. radiator according to claim 1, it is characterized in that: the profile of described the first noumenon is the conical surface, the profile of described the second body is the conical surface, and described the second body and the first noumenon enclose out upper and lower both ends open and have the twice relative spacing Cone chaptrel exterior feature of vertical direction.
3. radiator according to claim 1, it is characterized in that: described the first moulding comprises the first base portion and is arranged on the first clamping part on the first base portion, described the second moulding comprises the second base portion and be arranged on the second clamping part on the second base portion, and described the second clamping part coordinates with the first clamping part so that described the second moulding and the first moulding combine.
4. radiator according to claim 3, is characterized in that: described the first base portion is semi-cylindrical, and described the second base portion is semi-cylindrical, and the combination of described the second moulding and the first moulding is cylindric.
5. radiator according to claim 3, is characterized in that: described the first clamping part is included on vertical plane flatly extended two grabs, and described the second clamping part comprises two fixture blocks corresponding with these two grabs.
6. radiator according to claim 1, is characterized in that: the inner side of described the first metalwork is formed with the first support face lower than the level of end face; The inner side of described the second metalwork is formed with the second support face lower than the level of end face, and described the second support face is concordant with the first support face.
7. radiator according to claim 1, is characterized in that: described the first metalwork and described the second metalwork are symmetrical.
8. radiator according to claim 1, it is characterized in that: described the first noumenon is provided with the first perforation, described the second body is provided with the second perforation, and described injection-moulded housing is formed with two erection columns that are arranged in respectively described the first perforation and biperforate vertical extension.
9. a LED light fixture, is characterized in that, comprises the radiator described in claim 1 to 8 any one.
10. LED light fixture according to claim 9, is characterized in that, described LED light fixture also comprises the driven unit in the host cavity that is plugged in vertically described radiator and the LED light source that is flatly installed in the top of described radiator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410451108.2A CN104180349A (en) | 2014-09-06 | 2014-09-06 | Heat sink and light-emitting diode (LED) lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410451108.2A CN104180349A (en) | 2014-09-06 | 2014-09-06 | Heat sink and light-emitting diode (LED) lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104180349A true CN104180349A (en) | 2014-12-03 |
Family
ID=51961580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410451108.2A Pending CN104180349A (en) | 2014-09-06 | 2014-09-06 | Heat sink and light-emitting diode (LED) lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104180349A (en) |
-
2014
- 2014-09-06 CN CN201410451108.2A patent/CN104180349A/en active Pending
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|---|---|---|---|
| C06 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141203 |
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| WD01 | Invention patent application deemed withdrawn after publication |