CN207213939U - A kind of LED Rear Fog Lamps of automobile - Google Patents
A kind of LED Rear Fog Lamps of automobile Download PDFInfo
- Publication number
- CN207213939U CN207213939U CN201720943944.1U CN201720943944U CN207213939U CN 207213939 U CN207213939 U CN 207213939U CN 201720943944 U CN201720943944 U CN 201720943944U CN 207213939 U CN207213939 U CN 207213939U
- Authority
- CN
- China
- Prior art keywords
- led
- rear fog
- circuit board
- radiator
- fog lamps
- 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
Links
- 239000003292 glue Substances 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 239000000565 sealant Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 239000004744 fabric Substances 0.000 claims 1
- 239000006185 dispersion Substances 0.000 abstract description 7
- 230000002776 aggregation Effects 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Landscapes
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
It the utility model is related to a kind of LED Rear Fog Lamps of automobile, including interior lens, LED circuit board and radiator, electronic component is disposed with described LED circuit board, offer heat emission hole corresponding with each electronic component on the radiator, the electronic component in the LED circuit board is placed in respective heat emission hole corresponding on a heat sink.The utility model by opening up the heat emission hole for putting electronic device on a heat sink, strengthen the radiating of electronic component, improve the heat dispersion of whole Rear Fog Lamp, so as to extend service life, reduce light decay, to solve existing LED Rear Fog Lamps because heat dispersion is poor, cause service life shorten, light efficiency difference the problem of.
Description
Technical field
It the utility model is related to automobile lamp, and in particular to a kind of LED Rear Fog Lamps of automobile.
Background technology
Rear Fog Lamp is that other vehicles are served as warning in greasy weather or rainy day, for the vehicle from rear view of vehicle, is made
Obtain the light fixture that vehicle is more apparent from.Existing Auto Rear Fog Lamp is generally coordinated using halogen bulb with curved reflector realizes illumination
Etc. function, the Rear Fog Lamp of this structure not only function on when response cause security performance to decline more slowly, and lamp chamber space leads to
Often larger, the use of halogen bulb causes its caloric value big and luminance-reduction, neither saves, also substantially reduces making for Rear Fog Lamp
Use the life-span.
At present all over the world all advocate it is green, so, LED has that colour temperature adjustable range is big, is easy to make according to it
With, operating voltage is low, the characteristic of small power consumption and small volume, gradual replacement bulb light source widely uses vapour as the green light source back of the body
In car light tool.Also, for the more nervous Vehicular lamp of lighting space, when arranging LED according to the conventional method, consider
To the problems such as heat height and heat sink conception are short of caused by LED Rear Fog Lamps, the low-power LED of more than ten is typically only arranged.And
And multiple LED mainly realize circuit by way of being combined in parallel and serial.By changing the value of resistance come control electric current,
Ensure light efficiency, realize the radiating of light fixture by increasing air-vent on lamp housing, its radiating effect is often bad, usually occurs
LED light decay is serious, luminance shortage and the problems such as service life reduction, causes customer's complaint increase, claim damages increase.
Because LED Rear Fog Lamps can produce substantial amounts of heat at work, when multiple LED are densely arranged, the aggregation of heat will
Can be even more serious.If secondary heat does not shed as early as possible, thing followed fuel factor will clearly, and this will cause LED core
Piece internal heat assemble, cause light efficiency decline and service life shorten a series of problems, such as.So in LED Rear Fog Lamps, outside
The structure design of portion's radiator is very crucial, and it influences the heat dispersion of whole Rear Fog Lamp system.
Utility model content
The purpose of this utility model is to provide a kind of LED Rear Fog Lamps of automobile, and described LED Rear Fog Lamps are opened on a heat sink
If for the heat emission hole of putting electronic device, the radiating of electronic component is strengthened, improves the thermal diffusivity of whole Rear Fog Lamp
Can, so as to extend service life, reduce light decay, to solve existing LED Rear Fog Lamps because heat dispersion is poor, cause to make
The problem of with the lost of life, light efficiency difference.
To achieve the above object, scheme of the present utility model is：A kind of LED Rear Fog Lamps of automobile, including interior lens,
LED circuit board and radiator, electronic component are disposed with described LED circuit board, it is characterised in that opened on the radiator
Provided with heat emission hole corresponding with each electronic component, the electronic component in the LED circuit board is placed on each comfortable dissipate
On hot device in corresponding heat emission hole.
According to LED Rear Fog Lamps described in the utility model, described LED circuit board is double-sided PCB board, the electronics member device
Part is distributed in the front and back of double-sided PCB board, wherein the electronic component positioned at the double-sided PCB board back side is placed on corresponding dissipate
In hot hole.
Further, two-sided FR4 plates are used according to LED Rear Fog Lamps described in the utility model, described double-sided PCB board.
Further, it is fixed on according to LED Rear Fog Lamps described in the utility model, the electronic component by heat-conducting glue
In heat emission hole.
Further, according to LED Rear Fog Lamps described in the utility model, it is respectively provided with the radiator and LED circuit board
Have with matching somebody with somebody mounting hole in the cooperation of the installation foot of interior lens, the installation foot of described interior lens is passed through in LED circuit board
It is interior match somebody with somebody mounting hole after, insert in corresponding on radiator and match somebody with somebody mounting hole, and fixed by heat-conducting glue.
Further, according to LED Rear Fog Lamps described in the utility model, pacify between described LED circuit board and radiator
Equipped with sealing ring.
Further, it is provided with cabling according to LED Rear Fog Lamps described in the utility model, described radiator front and leads to
Hole, the back side are provided with seal groove, after the wire harness in the LED circuit board passes through away line three-way hole, the seal groove at the radiator back side
Inside use sealant sealing.
Further, 3 middle power are included according to LED Rear Fog Lamps described in the utility model, described LED Rear Fog Lamps
LED chip.
Further, according to LED Rear Fog Lamps described in the utility model, described middle power LED chips are by Linear Driving
Circuit drives.
The beneficial effect that the utility model reaches：The utility model is added scattered by setting heat emission hole on a heat sink
The contact area of hot device and LED circuit board, and the electronic component in heat emission hole is directly contacted with radiator by heat-conducting glue,
Contribute to the radiating of electronic component, so as to optimize the heat dispersion of whole module, reduce LED light decay.
The utility model designs Rear Fog Lamp module using two-sided FR4 plates, because the price of FR4 plates is relatively low compared to aluminium base,
Also reduce the cost of whole module.
The utility model reduces module space, in fact due to electronic component being arranged in the two-sided of LED circuit board
Show the miniaturization of whole LED Rear Fog Lamps module, be also beneficial to the reduction of cost.
Brief description of the drawings
Fig. 1 is the installation diagram of LED Rear Fog Lamps；
Fig. 2 is the dorsal view of LED circuit board；
Fig. 3 is the front view of radiator；
Fig. 4 is the dorsal view of radiator.
In figure, it is 1. interior lens, is 2. LED circuit board, be 3. sealing ring, be 4. radiator, 5. to be positioned over LED line
The electronic component of road back, 6. it is heat emission hole, 7. to match somebody with somebody mounting hole on radiator, 8. leads to for the cabling of radiator
Hole, it is 9. seal groove.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Because LED Rear Fog Lamps can produce substantial amounts of heat at work, when multiple LED are densely arranged, the aggregation of heat will
A series of problems, such as meeting is even more serious, and this will cause the service life shortening of Rear Fog Lamp and light efficiency to reduce.The utility model
LED Rear Fog Lamps be mainly used in solving the problems, such as radiating.
LED Rear Fog Lamps of the present utility model include LED circuit board and radiator, by opening up heat emission hole on a heat sink,
The electronic component at the LED circuit board back side is placed in corresponding heat emission hole, increase radiating, solves asking for Rear Fog Lamp radiating
Topic.
Embodiment one：
Present embodiment discloses a kind of LED Rear Fog Lamps of automobile, such as Fig. 1, described LED Rear Fog Lamps include interior lens
1., LED circuit board 2., sealing ring 3. with radiator 4., the back side of LED circuit board is provided with electronic component, is opened on radiator
Provided with heat emission hole corresponding with each electronic component at the LED circuit board back side, when LED circuit board and radiator are assembled, by LED
The electronic component of circuit back is arranged in the heat emission hole of radiator.
It is 6. scattered to be arranged at 5. to be positioned over the electronic component at the LED circuit board back side in the present embodiment such as Fig. 2 and Fig. 3
The heat emission hole being 5. engaged on hot device, with electronic component, 7. on radiator with interior lens installation foot coordinate in peace
Fill hole, when LED Rear Fog Lamp modules are installed, by the installation foot of interior lens 1. through LED circuit board 2. in peace
Fill hole, be then then passed through radiator 4. on it is interior match somebody with somebody mounting hole, and be 4. fixedly connected with radiator by heat-conducting glue.
Such as Fig. 3 and Fig. 4,8. radiator front is provided with away line three-way hole, 9. the back side is provided with seal groove, the LED line road
8. wire harness on plate passes through away line three-way hole after, seal groove at the radiator back side is 9. interior to use sealant sealing.
The present embodiment adds contact of the radiator bearer with LED circuit board by opening up heat emission hole at the radiator back side
Area, and the electronic component in heat emission hole is directly contacted with radiator by heat-conducting glue, more contributes to electronic component
Radiating, so as to optimize the heat dispersion of whole Rear Fog Lamp module, reduce LED light decay.
Embodiment two：
Present embodiment discloses a kind of LED Rear Fog Lamps of automobile, including 3 middle power LED chips, and 3 middle power LEDs
Chip is driven by linear drive circuit.In order to realize higher versatility, it is desirable to the volume of LED Rear Fog Lamp modules is as small as possible,
Thus limit the area of LED circuit board, and it is interior match somebody with somebody, the mounting means of radiator and LED circuit board.
LED circuit board in the present embodiment is arranged to two-sided pcb board, FR4 plates can be further optimized for, compared to aluminium base
Plate, FR4 plates not only have a price advantage, and FR4 plates can be in LED circuit board with two-sided arrangement component electronic component
Front and back is arranged, and the present embodiment arranges 4 electronic components at the back side of FR4 plates, reduces LED circuit board
Area, save the space of Rear Fog Lamp module, so that the volume of LED Rear Fog Lamps is smaller, while also reduce cost.
Utility model adds the contact area of radiator and LED circuit board by setting heat emission hole on a heat sink, and
Electronic component in heat emission hole is directly contacted with radiator by heat-conducting glue, contributes to the radiating of electronic component, so as to
The heat dispersion of whole module is optimized, reduces LED light decay.
Claims (8)
1. a kind of LED Rear Fog Lamps of automobile, including interior lens, LED circuit board and radiator, cloth in described LED circuit board
It is equipped with electronic component, it is characterised in that
Offer heat emission hole corresponding with each electronic component on the radiator, the electronics member in the LED circuit board
Device is placed in respective heat emission hole corresponding on a heat sink.
2. LED Rear Fog Lamps according to claim 1, it is characterised in that described LED circuit board uses two-sided FR4 plates, institute
State the front and back that electronic component is distributed in two-sided FR4 plates, wherein positioned at FR4 backs electronic component be arranged on dissipate
Corresponding to hot device in heat emission hole.
3. LED Rear Fog Lamps according to claim 1, it is characterised in that the electronic component is fixed on by heat-conducting glue
In heat emission hole.
4. LED Rear Fog Lamps according to claim 1, it is characterised in that be provided with the radiator and LED circuit board
With the installation foot of interior lens coordinate in match somebody with somebody mounting hole, the installation foot of described interior lens passes through interior in LED circuit board
After mounting hole, insert in corresponding on radiator and match somebody with somebody mounting hole, and fixed by heat-conducting glue.
5. LED Rear Fog Lamps according to claim 1, it is characterised in that installed between described LED circuit board and radiator
There is sealing ring.
6. LED Rear Fog Lamps according to claim 1, it is characterised in that described radiator front is provided with away line three-way hole,
The back side is provided with seal groove, after the wire harness in the LED circuit board passes through away line three-way hole, is used in the seal groove at the radiator back side
Sealant sealing.
7. LED Rear Fog Lamps according to claim 1, it is characterised in that described LED Rear Fog Lamps include 3 middle power LEDs
Chip.
8. LED Rear Fog Lamps according to claim 7, it is characterised in that described middle power LED chips are by Linear Driving electricity
Road drives.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720943944.1U CN207213939U (en) | 2017-07-31 | 2017-07-31 | A kind of LED Rear Fog Lamps of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720943944.1U CN207213939U (en) | 2017-07-31 | 2017-07-31 | A kind of LED Rear Fog Lamps of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207213939U true CN207213939U (en) | 2018-04-10 |
Family
ID=61815000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720943944.1U Expired - Fee Related CN207213939U (en) | 2017-07-31 | 2017-07-31 | A kind of LED Rear Fog Lamps of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207213939U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883340A (en) * | 2017-07-31 | 2018-04-06 | 上海小糸车灯有限公司 | A kind of LED Rear Fog Lamps of automobile |
-
2017
- 2017-07-31 CN CN201720943944.1U patent/CN207213939U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883340A (en) * | 2017-07-31 | 2018-04-06 | 上海小糸车灯有限公司 | A kind of LED Rear Fog Lamps of automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201821 Yecheng Road, Jiading District, Jiading District, Shanghai Patentee after: HUAYU VISION TECHNOLOGY (SHANGHAI) Co.,Ltd. Address before: 201821 Yecheng Road, Jiading District, Jiading District, Shanghai Patentee before: SHANGHAI KOITO AUTOMOTIVE LAMP Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180410 |