CN207132269U - LED car lamp - Google Patents
LED car lamp Download PDFInfo
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- CN207132269U CN207132269U CN201720627033.8U CN201720627033U CN207132269U CN 207132269 U CN207132269 U CN 207132269U CN 201720627033 U CN201720627033 U CN 201720627033U CN 207132269 U CN207132269 U CN 207132269U
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- led car
- circuit board
- car lamp
- radiating
- flexible
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Abstract
It the utility model is related to a kind of LED car lamp, including lamp body, the first circuit board in light resource installing section and the first LED light-emitting component being arranged on first circuit board with light resource installing section and radiating connecting portion；Wherein, the LED car lamp also includes the flexible radiating component being connected with radiating connecting portion, and the flexible radiating component includes the flexible metal fin formed with engraved structure.By the way that flexible metal fin is formed as into engraved structure, consequently facilitating the flexural deformation of flexible metal fin and cross-ventilation radiating.
Description
Technical field
It the utility model is related to a kind of LED car lamp；Wherein, the LED car lamp is used as the lighting source of vehicle-mounted illuminating lamp tool.
Background technology
Compared with the conventional illumination sources such as Halogen lamp LED, LED light source have low long lifespan, power consumption, small volume, response it is fast,
Many advantages, such as flexible design.As the continuous progress and people of LED technology are to the requirements at the higher level of energy saving environmental protection product, use
LED car lamp is continuously increased as the vehicle-mounted illuminating lamp tool of lighting source, and it has become applied to automotive lighting on a large scale must
Right trend.
It is well known that LED light source also produces substantial amounts of heat while high brightness output is provided, however, in high temperature work
Make under environment, the problems such as colour cast, luminance-reduction, service life shorten can occur for LED light source, or even failure immediately occurs.For
Avoid the occurrence of above mentioned problem, it is desirable to caused heat when LED car lamp can in time, fully export LED operation.
Because the installing space of LED car lamp is typically more limited, therefore during the traditional fin type radiator of use, it is limited to
The volume of radiator, the heat-sinking capability of LED car lamp are more low.Such as scratched as an improvement being employed in some LED car lamps
Property metal wire knitted band and flexible metal fin flexible radiating component, the area of dissipation of this flexible radiating component generally will
It is bigger than fin type radiator, and there is good bendable folding endurance, so as to be bent according to installing space, to make full use of
The volume of installing space.
However, it is easier to stop peace after flexible radiating component bending using in the LED car lamp of flexible radiating component above-mentioned
The air flow in space is filled, so as to influence cross-ventilation radiating effect.
The content of the invention
In view of the shortcomings of the prior art, main purpose of the present utility model is to provide one kind and is easy to wherein flexible radiating component
Carry out the LED car lamp of cross-ventilation radiating.
In order to realize above-mentioned main purpose, the utility model provides a kind of LED car lamp, including with light resource installing section
With the radiating lamp body of connecting portion, the first circuit board in light resource installing section and be arranged on first circuit board first
LED light-emitting component；Wherein, the LED car lamp also includes the flexible radiating component being connected with radiating connecting portion, flexibility radiating structure
Part includes the flexible heat dissipation metal plate formed with engraved structure.
In above-mentioned technical proposal, flexible metal fin is formed with engraved structure, therefore even if metal fin is being installed
It is in case of bending in space, the air in installing space also can pass through engraved structure and be flowed, and be dissipated to improve cross-ventilation
Thermal effect, improve the heat-sinking capability of LED car lamp.In addition, metal fin is formed as into engraved structure, it is also convenient in installation process
In bending processing is carried out to it, and reduce the weight of LED car lamp.
In the utility model, as long as the thickness control of metal fin is so that it has appropriate flexibility.It is preferred that
Ground, the thickness of metal fin is 0.05 millimeter to 0.5 millimeter.In addition, metal fin can be formed as it is square, oval,
The various rules such as sector or non-regular shape.
In the utility model, metal fin can be aluminium radiator fin, copper radiating rib, or by aluminium foil and copper foil with stratiform
The heat sink compound being combined into.Wherein, the heat sink compound of aluminium foil and copper foil is preferable that one side copper foil with height because leading
Hot coefficient and heat transfer can be rapidly carried out inside flexible radiating component, another aspect aluminium foil has the heat higher than copper foil
Radiation coefficient, can be rapidly by the heat in flexible radiating component to external diffusion.In addition, in order to increase the heat of metal fin
Radianting capacity, surface emissivity enhancing processing can be carried out to it, such as be applied in metal fin surface spraying paint or heat radiation
Material, surface oxidation treatment (such as alumilite process processing) is carried out to metal fin.
According to a kind of embodiment of the present utility model, flexible radiating component includes multiple metal fins, and this is more
The heat conduction connection end of individual metal fin is stacked and formed and is integrated (such as passing through high-temperature fusion).By metal fin
Heat conduction connection end forms the thermal resistance for being integrated and can reducing lamp body each metal fin into flexible radiating component, consequently facilitating
Realize quick heat radiating.
According to another embodiment of the present utility model, flexible radiating component includes multiple metal fins, and this is more
It is separably stacked together between individual metal fin, to simplify its preparation technology and cost；Wherein, it is guarantee heat dissipation metal
Flash heat transfer between piece, fastener meanses (such as screw, crimping can be passed through between the heat conduction connection end of adjacent metal fin
Frame) and be brought into close contact.
In the utility model, LED car lamp can also include the second circuit board being arranged in light resource installing section and be arranged on
The second LED light-emitting component on second circuit board, the Longitudinal extending and difference position of first circuit board and second circuit board along lamp body
In the opposite sides of lamp body.
As a kind of preferred embodiment, LED car lamp also includes the first cover plate being arranged on the outside of first circuit board and set
The second cover plate on the outside of second circuit board is put, between the first cover plate and the second cover plate by fastening member (such as screw) even
Connect, first circuit board and second circuit board are fixed in light resource installing section.
In above-mentioned technical proposal, cover plate applies pressure to circuit board in larger area so that circuit board is in its whole back of the body
Uniform face is formed between lamp body to contact, reduce circuit board to the thermal resistance between lamp body on face.Preferably, lamp body and circuit board
Between can be coated with heat-conducting cream.In addition, cover plate can also have good reflective character, to improve the light extraction of LED car lamp
Efficiency.
As another preferred embodiment, the first flexibility that flexible radiating component includes being arranged on first circuit board side dissipates
Hot component and the second flexible radiating component for being arranged on second circuit board side, to realize quick, the Homogeneouslly-radiating of LED car lamp.
In the utility model, LED car lamp is additionally may included on the longitudinal direction of lamp body to be connected positioned at light resource installing section and radiating
Deck installation portion between portion, light resource installing section, radiating connecting portion and deck installation portion, which are formed, to be integrated, and on deck installation portion
It is arranged with deck.Deck is used to LED car lamp being fixed in vehicle-mounted illuminating lamp tool.Light resource installing section, radiating connecting portion and deck
Installation portion is formed and is integrated so that the heat of light resource installing section can be quickly conducted to radiating connecting portion, and is further transferred heat to
Metal fin and radiated.It is readily appreciated that, lamp body also has certain heat-sinking capability in itself.
According to another embodiment of the present utility model, company of the radiating connecting portion formed with the Longitudinal extending along lamp body
Access slot, the heat conduction connection end of flexible radiating component are fixed in link slot by fastener meanses (such as screw or welding).
In above-mentioned technical proposal, by the way that link slot to be arranged to the Longitudinal extending along lamp body so that metal fin is also
Along the Longitudinal extending of lamp body, consequently facilitating the installation of LED car lamp.
According to another embodiment of the present utility model, the surface for the connecting portion that radiates is formed with for increasing radiating surface
Long-pending concaveconvex structure；LED car lamp also includes the hollow lid being set on radiating connecting portion, and the lid corresponds to concaveconvex structure
Region is formed with thermal vias, consequently facilitating the cross-ventilation radiating at concaveconvex structure, further to improve the radiating of LED car lamp
Performance.
It is below in conjunction with the accompanying drawings and specific real in order to more clearly illustrate the purpose of this utility model, technical scheme and advantage
Applying mode, the utility model is described in further detail.
Brief description of the drawings
Fig. 1 is the stereogram of the utility model LED car lamp preferred embodiment；
Fig. 2 is the structure decomposition figure of the utility model LED car lamp preferred embodiment；
Fig. 3 is the part-structure sectional view of the utility model LED car lamp preferred embodiment；
Fig. 4 is the variable condition figure of the utility model LED car lamp preferred embodiment.
Embodiment
Fig. 1 to 3 shows the LED car lamp as the utility model preferred embodiment, and the cutting plane of sectional view shown in Fig. 3 leads to
Cross the longitudinal centre line of lamp body 10 and perpendicular to circuit board 21 and 31.As shown in Figures 1 to 3, it is preferable to carry out as the utility model
The LED car lamp of example includes the metallic lamp body 10 with light resource installing section 11, deck installation portion 12 and the connecting portion 13 that radiates；Wherein,
Light resource installing section 11, deck installation portion 12 and radiating connecting portion 13 three, which are formed, to be integrated.
Referring to Fig. 3, light resource installing section 11 has the Longitudinal extending along lamp body 10 and is located at the opposite sides of lamp body 10 respectively
The first mounting surface 111 and the second mounting surface 112, first circuit board 21 is arranged on the first mounting surface 111, and first circuit board
One or more first LED light-emitting components 22 are provided with 21；Second circuit board 31 is arranged on 112 on the second mounting surface, and the
One or more second LED light-emitting components 32 are provided with two circuit boards 31.In the utility model, LED light-emitting component can be
The LED chip of LED lamp bead or encapsulation on circuit boards of welding on circuit boards；Circuit board can be metal base printed circuit
Plate or ceramic base printed circuit board, this circuit board have good heat conductivility and used as heat-conducting substrate.
As shown in Figures 2 and 3, the outside of first circuit board 21 is provided with the first cover plate 23, and the first cover plate 23 has first to keep away
Allow hole 231 so that the first cover plate 23 covers first circuit board 21 and exposes the first LED light-emitting component 22；Second circuit board 31
Outside is provided with the second cover plate 33, and the second cover plate 33 has the second avoid holes 331 so that the second cover plate 33 covers second circuit board
31 and expose the second LED light-emitting component 32.First cover plate 23, first circuit board 21, light resource installing section 11, the and of second circuit board 31
Formed with connecting hole 41, the screw (not shown) as fastening member passes through connecting hole for relevant position on second cover plate 33
41 and the first cover plate 23 and the second cover plate 33 are linked together so that first circuit board 21 and second circuit board 22 are fixed
In light resource installing section 11.
LED car lamp also includes the first flexible flexible radiating structure of radiating component 51 and second being connected with radiating connecting portion 13
Part 52, the first flexible radiating component 51 are arranged on the side of first circuit board 21, and the second flexible radiating component 52 is arranged on the second electricity
The side of road plate 31.Specifically, radiate link slot 131 of the connecting portion 13 formed with two Longitudinal extendings along lamp body 10, link slot
Formed with screwed hole 132, the screw (not shown) as fastening member passes through the first flexible radiating component 51 for 131 bottom
Heat conduction connection end 511 be connected with screwed hole 132, so that heat conduction connection end 511 is fixed in link slot 131.Second is flexible
The heat conduction connection end 521 of radiating component 52 is fixed on again by screw in another link slot 131.Referring to Fig. 2, radiating connects
Formed with the concaveconvex structure 133 for increasing heat radiation area, hollow lid 80 is set in radiating connecting portion 13 on the surface of socket part 13
On, and lid 80 corresponds to the region of concaveconvex structure 133 formed with thermal vias 81.
First flexible radiating component 51 includes multiple flexible metal fin 512 formed with engraved structure 513, and second scratches
Property radiating component 52 includes multiple flexible metal fin 522 formed with engraved structure 523, and metal fin 512 and 522 is equal
For copper radiating rib, its thickness is about 0.2 millimeter.In preferred embodiment of the present utility model, the first flexible He of radiating component 51
Each metal fin in second flexible radiating component 52 is stacked and by high-temperature fusion and shape in its heat conduction connection end
It is integrally formed.Be readily appreciated that, in other embodiment of the present utility model, metal fin can also use aluminium radiator fin or
The heat sink compound that person is combined into by aluminium foil and copper foil with stratiform.In addition, in metallic heat dissipating part between each metal fin
Can also be separably stacked together, and closely pasted by fastener meanses between the heat conduction connection end of adjacent metal fin
Close；For example, the heat conduction connection end of metal fin can be filled in a crimping inframe, and apply extruding force to crimping frame and make it
Deformed upon on the thickness direction of metal fin, and then cause crimping frame to clamp the heat conduction connection end of metal fin, from
And heat conduction connection end is fixed on crimping inframe；Or the first flexible flexibility of radiating component 51 and second is radiated using screw
The heat conduction connection end of each metal fin is affixed directly in link slot 131 in component 52.
As shown in Figures 2 and 3, lamp body 10 is formed with hollow cavity 14, and hollow cavity 14 is positioned at radiating connecting portion 13 side
Oral area is provided with plug 90 with holes.First circuit board 21 and second circuit board 31 are formed with wire interconnecting piece (not shown)
One end is stretched into hollow cavity 14, for LED light-emitting component 22 and 32 provide power supply electrical lead (not shown) with
The wire interconnecting piece forms electrical connection, and is extend out to via plug 90 with holes outside lamp body 10.
With continued reference to Fig. 2 to 4, deck installation portion 12 is set in formed with button bit 121, deck 60 on deck installation portion 12
On, and form clamping with button bit 121；Deck installation portion 12 is close to the side of radiating connecting portion 13 formed with annular groove 122, elasticity
Cushion rubber 70 is arranged in annular groove 122, applies elastic force to deck 60, to cause deck 60 is stable to be connected to deck installation portion 12
On.Deck 60 is used to LED car lamp being installed in vehicle-mounted illuminating lamp tool.
In the utility model, as shown in figure 4, can carry out as needed and to flexible metal fin 512 and 522 curved
Song, to cause flexible radiating component 51 and 52 that there is corresponding profile.It should be noted that Fig. 4 illustrate only flexible radiating structure
A kind of bending shape of part 51 and 52, it is readily appreciated that, actually flexible radiating component 51 and 52 can have more change shapes.
Although the utility model is disclosed above with preferred embodiment, the model of the utility model implementation is not limited to
Enclose.Any one of ordinary skill in the art, do not departing from invention scope of the present utility model, when a little improvement can be made,
I.e. every equal improvement done according to the utility model, should be the scope of protection of the utility model and is covered.
Claims (10)
1. a kind of LED car lamp, including with light resource installing section with the lamp body of radiating connecting portion, in the light resource installing section
First circuit board and the first LED light-emitting component for being arranged on the first circuit board；It is characterized in that：The LED car lamp
Also include the flexible radiating component being connected with the radiating connecting portion, the flexible radiating component is included formed with engraved structure
Flexible metal fin.
2. LED car lamp as claimed in claim 1, it is characterised in that：The metal fin is aluminium radiator fin, copper radiating rib,
Or the heat sink compound being combined into by aluminium foil and copper foil with stratiform.
3. LED car lamp as claimed in claim 1, it is characterised in that：The flexible radiating component includes multiple metal fins,
The heat conduction connection end of the multiple metal fin, which is stacked and formed, to be integrated.
4. LED car lamp as claimed in claim 1, it is characterised in that：The flexible radiating component includes multiple metal fins,
It is separably stacked together between the multiple metal fin, and pass through between the heat conduction connection end of adjacent metal fin
Fastener meanses and be brought into close contact.
5. LED car lamp as claimed in claim 1, it is characterised in that：The LED car lamp also includes being arranged on light source installation
Second circuit board in portion and the second LED light-emitting component being arranged on the second circuit board, the first circuit board and institute
State Longitudinal extending of the second circuit board along the lamp body and be located at the opposite sides of the lamp body respectively.
6. LED car lamp as claimed in claim 5, it is characterised in that：The LED car lamp also includes being arranged on first circuit
The first cover plate on the outside of plate and the second cover plate being arranged on the outside of the second circuit board, first cover plate and second lid
Connected between plate by fastening member, the first circuit board and the second circuit board are fixed on the light resource installing section
On.
7. LED car lamp as claimed in claim 5, it is characterised in that：The flexible radiating component includes being arranged on described first
First flexible radiating component of circuit board side and the second flexible radiating component for being arranged on the second circuit board side.
8. LED car lamp as claimed in claim 1, it is characterised in that：The LED car lamp also includes on the longitudinal direction of the lamp body
Deck installation portion between the light resource installing section and the radiating connecting portion, the light resource installing section, the radiating connect
Socket part and the deck installation portion, which are formed, to be integrated, and is arranged with deck on the deck installation portion.
9. LED car lamp as claimed in claim 1, it is characterised in that：The radiating connecting portion is formed with indulging along the lamp body
To the link slot of extension, the heat conduction connection end of the flexible radiating component is fixed in the link slot by fastening member.
10. LED car lamp as claimed in claim 1, it is characterised in that：The surface of the radiating connecting portion is formed with for increasing
The concaveconvex structure of area of dissipation；The LED car lamp also includes the hollow lid being set on the radiating connecting portion, the lid
Corresponding to the concaveconvex structure region formed with thermal vias.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720627033.8U CN207132269U (en) | 2017-06-01 | 2017-06-01 | LED car lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720627033.8U CN207132269U (en) | 2017-06-01 | 2017-06-01 | LED car lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207132269U true CN207132269U (en) | 2018-03-23 |
Family
ID=61631633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720627033.8U Active CN207132269U (en) | 2017-06-01 | 2017-06-01 | LED car lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207132269U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108397745A (en) * | 2018-04-19 | 2018-08-14 | 深圳市鸿远新材科技有限公司 | A kind of LED car lamp |
| CN109538998A (en) * | 2018-12-29 | 2019-03-29 | 广州纽威光电科技有限公司 | A kind of LED light |
| CN109539179A (en) * | 2019-01-12 | 2019-03-29 | 佛山市新中颖光电科技有限公司 | A kind of LED car lamp |
-
2017
- 2017-06-01 CN CN201720627033.8U patent/CN207132269U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108397745A (en) * | 2018-04-19 | 2018-08-14 | 深圳市鸿远新材科技有限公司 | A kind of LED car lamp |
| CN109538998A (en) * | 2018-12-29 | 2019-03-29 | 广州纽威光电科技有限公司 | A kind of LED light |
| CN109538998B (en) * | 2018-12-29 | 2024-02-06 | 广州纽威光电科技有限公司 | LED lamp |
| CN109539179A (en) * | 2019-01-12 | 2019-03-29 | 佛山市新中颖光电科技有限公司 | A kind of LED car lamp |
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