CN105240774A - LED vehicle lamp - Google Patents

LED vehicle lamp Download PDF

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Publication number
CN105240774A
CN105240774A CN201510797334.0A CN201510797334A CN105240774A CN 105240774 A CN105240774 A CN 105240774A CN 201510797334 A CN201510797334 A CN 201510797334A CN 105240774 A CN105240774 A CN 105240774A
Authority
CN
China
Prior art keywords
led
automobile lamp
led module
lamp according
radiating subassembly
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.)
Pending
Application number
CN201510797334.0A
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Chinese (zh)
Inventor
林弘山
张心雄
蔡永林
汤勇军
Original Assignee
蒋敏
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 蒋敏 filed Critical 蒋敏
Priority to CN201510797334.0A priority Critical patent/CN105240774A/en
Publication of CN105240774A publication Critical patent/CN105240774A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S45/00Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/40Cooling of lighting devices
    • F21S45/47Passive cooling, e.g. using fins, thermal conductive elements or openings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00Fastening of light sources or lamp holders
    • F21V19/001Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21WINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2107/00Use or application of lighting devices on or in particular types of vehicles
    • F21W2107/10Use or application of lighting devices on or in particular types of vehicles for land vehicles

Abstract

The invention discloses an LED vehicle lamp. The LED vehicle lamp comprises a sleeve, an LED module, a circuit board, a heat current guide pipe and a heat dissipating module. The LED module is accommodated in the sleeve, and is electrically connected with the circuit board. The circuit board is attached on the surface of the heat current guide pipe. One end, far from the LED module, of the heat current guide pipe is inserted in the heat dissipating module, and is fixed with the heat dissipating module. Light rays emitted by the LED module are emitted out by the sleeve; and heat generated by the LED module is transferred to the heat dissipating module for heat dissipating by the heat current guide pipe. The LED vehicle lamp widens the coverage range of the light rays, improves the system heat dissipating performance, and can effectively guarantee the vehicle lamp service life.

Description

A kind of LED automobile lamp
[technical field]
The present invention relates to automotive lighting field, particularly relate to a kind of LED automobile lamp.
[background technology]
At present, LED car lamp has low pressure, uniform in light emission, life-span long, i.e. point and bright and can send the feature of neutral light, has relatively good advantage compared to the Halogen lamp LED of vehicle lamp light source main flow now and high-voltage gas discharging light (HID).Travel safety is higher, and LED is widely used in automobile lamp.
But, LED car lamp on the market due to structural design imperfect, fail effectively the heat that high wattage LED light source produces to be conducted smoothly, radiating effect is poor, reduce the service life of car light, make the low and unstable properties of light extraction efficiency, simultaneously, change LED frequently, what add driver uses car cost.
Therefore, be necessary to propose a kind of LED automobile lamp, avoid the generation of above-mentioned situation, distribution of light is even, the good and long service life of thermal diffusivity.
[summary of the invention]
The invention provides a kind of LED automobile lamp, solve the problem that distribution of light in prior art is uneven, caloric value is large.
For achieving the above object, a kind of LED automobile lamp provided by the invention, comprise sleeve pipe, LED module, circuit board, hot conduits and radiating subassembly, described LED module is contained in described sleeve pipe and is electrically connected with described circuit board, described circuit board is attached at the surface of described hot conduits, described hot conduits to insert in described radiating subassembly away from one end of described LED module and is fixed together with described radiating subassembly, described in the light therethrough that described LED module sends, sleeve pipe exhales, and the heat that described LED module produces conducts to described radiating subassembly by described hot conduits dispels the heat.
Preferably, described LED module comprises LED light source and substrate, and described LED light source is electrically connected at the end face of described substrate, and the bottom surface away from described end face of described substrate has line layer to be electrically connected with described circuit board.
Preferably, described substrate is heat-conducting substrate, and its material is aluminium or copper.
Preferably, coated on the surface of described sleeve pipe and light in conjunction with described LED light source produces the light of different colours.
Preferably, described radiating subassembly comprises the radiator fixing with described sleeve pipe, described radiator comprises connecting portion, fin portion and fixed part, described connecting portion has accommodation space, described hot conduits is accommodated and is fixed in described accommodation space, described fin portion is positioned at described connecting portion one end away from described hot conduits, and described fixed part vertically extends from described fin portion.
Preferably, described radiating subassembly also comprises fan and covers at the fan guard of described fan, and described fan is fixed on the described fixed part of described radiator.
Preferably, the quantity of described LED module is 3, and is spacedly distributed in the surface of described hot conduits, and the angle formed between adjacent two described LED modules is 120 degree.
Preferably, the quantity of described LED module is 4, and is spacedly distributed in the surface of described hot conduits, and the angle formed between adjacent two described LED modules is 90 degree.
Preferably, described hot conduits and described radiator are fixed together by the mode of welding.
Preferably, also comprise the jack assemblies fixed with described radiating subassembly, described jack assemblies comprises power supply, power supply lid and socket, and described power supply housing is located at the outside of described power supply, and described socket is fixed on described power supply and covers and be electrically connected with external power source and described power supply respectively.
Above-mentioned LED automobile lamp, is contained in sleeve pipe by LED module and is electrically connected with circuit board, thus the light that described LED module sends can exhale through sleeve pipe, and the heat that LED module produces conducts to radiating subassembly by hot conduits and dispels the heat.Thus effectively improve the coverage of light and the thermal diffusivity of system, effectively can ensure that the service life of car light.
[accompanying drawing explanation]
Fig. 1 is the exploded view of LED automobile lamp of the present invention;
Fig. 2 is the partial cross section figure of LED automobile lamp in Fig. 1;
Fig. 3 is the sectional view of radiating subassembly in Fig. 1;
Fig. 4 is the sectional view of jack assemblies in Fig. 1.
[detailed description of the invention]
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and the embodiments, the present invention is further elaborated.Should be appreciated that detailed description of the invention described herein only in order to explain the present invention, be not intended to limit the present invention.
Below in conjunction with accompanying drawing, one detailed elaboration is done to specific embodiments of the invention.
Please refer to Fig. 1, LED automobile lamp 100 of the present invention, comprise sleeve pipe 10, LED light source 20, substrate 30, circuit board 40, hot conduits 50, radiating subassembly 60 and jack assemblies 70.LED light source 20 is electrically connected at substrate 30, and is contained in sleeve pipe 10 together with substrate 30.End face and the substrate 30 of circuit board 40 are electrically connected, and its bottom surface is attached at hot conduits 50, and can bend along the surface of hot conduits 50.Hot conduits 50 and radiating subassembly 60 are fixed together.The present invention forms heat dissipation channel between substrate 30, circuit board 40, hot conduits 50, and the heat produced when LED light source 20 can be worked, effectively conducts to radiating subassembly 60 and dispel the heat, thus improve the radiating effect of system.
Incorporated by reference to Fig. 2, sleeve pipe 10 is transparent housing, and this housing has a cavity 11 with accommodating LED light source 20 and substrate 30.Coated and send the light of different colours in conjunction with the light source colour of LED light source 20 on the surface of sleeve pipe 10, whole lamp color temperature can be controlled, and colour temperature is accurately to improve light extraction efficiency.Sleeve pipe 10 in the present embodiment also has certain thermal diffusivity.Further, sleeve pipe 10 can be quartz ampoule, also can be glass tube.
LED light source 20 is positioned at the end face of substrate 30 and is electrically connected with substrate 30.The bottom surface of substrate 30 has line layer, and the bottom surface of substrate 30 fits in the end face of circuit board 40, to be electrically connected with circuit board 40.That is, LED light source 20 and circuit board 40 realize electrically conducting by substrate 30.
Further, this substrate 30 is pasted together by gluing mode with circuit board 40.
Further, this substrate 30 is heat-conducting substrate, can be one of aluminium sheet, copper coin.
A substrate 30 forms LED module with the LED light source 20 be fixed on this substrate 30.In order to ensure LED automobile lamp 100 can 360 degree luminous, the minimum number of LED module is 3 groups, and is evenly distributed on the surface of hot conduits 50.In other words, the angle between two adjacent LEDs module is 120 degree.In the present embodiment, the quantity of LED module is four.According to the position of circuit board 40, four LED modules are distributed in the periphery of hot conduits 50 equably, namely two adjacent LEDs module mutually vertically arrange and angle is 90 degree, thus the launching of the uniform light that LED light source 20 is produced, improve the coverage of light, and then improve traffic safety.When four LED modules are equally spaced installed on hot conduits 50, four LED module parcels cover by sleeve pipe 10, and the light that four LED light sources 20 send, distributes to all directions through sleeve pipe 10, reach 360 degree of luminescences.
Hot conduits 50 is the metal catheter of hollow, has cavity, and this cavity is built with working fluid (not shown).By liquid vapour two phase change of working fluid persistent loop, and vapour, the convection current that vapour returns toward liquid between the heat absorbing end and release end of heat of hot conduits of liquid fluid, enable the surface fast samming of hot conduits 50, improve the thermal conductivity of system.
Incorporated by reference to Fig. 1 and Fig. 3, radiating subassembly 60 comprises radiator 61, be fixed on the fan 62 on radiator 61 and be located at the fan cover 63 on fan 62 top.Radiator 61 comprises connecting portion 611, fin portion 612 and fixed part 613.Connecting portion 611 has an accommodation space, and this accommodation space is inserted in one end away from LED light source 20 of hot conduits 50, and is fixed together by the mode of welding and hot conduits 50.Fin portion 612 is arranged at connecting portion 611 one end away from hot conduits 50.This fin portion 612 is provided with multiple spaced radiating fin.Fixed part 613 extends vertically upward from a radiating fin near connecting portion 611.Fixed part 613 is selectable is provided with a pair screw.Fan 62 coordinates to screw the top being fixed on fin portion 612 with this by securing member.In the present embodiment, sleeve pipe 10 is fixed on the connecting portion 611 of radiator 61 by gluing mode.
In the present embodiment, adopt side-blown mode to place fan 62, thus improve the active radiating efficiency of fan 62.Directly blow mode compared to of the prior art, effectively improve radiating efficiency.
Incorporated by reference to Fig. 4, jack assemblies 70 and radiating subassembly 60 fix, and it comprises power supply 71, power supply lid 72 and socket 73.Power supply lid 72 is located at outside power supply 71.Socket 73 is fixed on power supply lid 72, and socket 73 connects with external power source respectively and power supply 71 is electrically connected, to realize the circuit turn-on of LED automobile lamp 100 inner member.Jack assemblies 70 in the present embodiment can be applicable to the LED light source 20 of different model, thus improves the versatility of product.
As can be seen here, LED automobile lamp 100 provided by the invention, after jack assemblies 70 connection circuit, by substrate 30, LED light source 20 and circuit board 40 are realized electrically conducting, and circuit board 10 is fixed on the surface of hot conduits 20, distributed by radiating subassembly 60 with the heat that LED light source 20 is produced.Thus improve the coverage of light, 360 degree that achieve car light luminous, and hot conduits 50 and substrate 30 have high-termal conductivity, the heat that LED light source 20 can be produced effectively conducts to radiator 60 and dispels the heat, improve the thermal diffusivity of system, effectively can ensure that the service life of car light.
Above-described embodiment of the present invention, does not form limiting the scope of the present invention.Any amendment done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within claims of the present invention.

Claims (10)

1. a LED automobile lamp, it is characterized in that, comprise sleeve pipe, LED module, circuit board, hot conduits and radiating subassembly, described LED module is contained in described sleeve pipe and is electrically connected with described circuit board, described circuit board is attached at the surface of described hot conduits, described hot conduits to insert in described radiating subassembly away from one end of described LED module and is fixed together with described radiating subassembly, described in the light therethrough that described LED module sends, sleeve pipe exhales, and the heat that described LED module produces conducts to described radiating subassembly by described hot conduits dispels the heat.
2. LED automobile lamp according to claim 1, it is characterized in that, described LED module comprises LED light source and substrate, and described LED light source is electrically connected at the end face of described substrate, and the bottom surface away from described end face of described substrate has line layer to be electrically connected with described circuit board.
3. LED automobile lamp according to claim 2, is characterized in that, described substrate is heat-conducting substrate, and its material is aluminium or copper.
4. LED automobile lamp according to claim 1, is characterized in that, coated on the surface of described sleeve pipe and light in conjunction with described LED light source produces the light of different colours.
5. LED automobile lamp according to claim 1, it is characterized in that, described radiating subassembly comprises the radiator fixing with described sleeve pipe, described radiator comprises connecting portion, fin portion and fixed part, described connecting portion has accommodation space, described hot conduits is accommodated and is fixed in described accommodation space, and described fin portion is positioned at described connecting portion one end away from described hot conduits, and described fixed part vertically extends from described fin portion.
6. LED automobile lamp according to claim 5, is characterized in that, described radiating subassembly also comprises fan and covers at the fan guard of described fan, and described fan is fixed on the described fixed part of described radiator.
7. LED automobile lamp according to claim 1, is characterized in that, the quantity of described LED module is 3, and is spacedly distributed in the surface of described hot conduits, and the angle formed between adjacent two described LED modules is 120 degree.
8. LED automobile lamp according to claim 1, is characterized in that, the quantity of described LED module is 4, and is spacedly distributed in the surface of described hot conduits, and the angle formed between adjacent two described LED modules is 90 degree.
9. LED automobile lamp according to claim 5, is characterized in that, described hot conduits and described radiator are fixed together by the mode of welding.
10. LED automobile lamp according to claim 1, it is characterized in that, also comprise the jack assemblies fixed with described radiating subassembly, described jack assemblies comprises power supply, power supply lid and socket, described power supply housing is located at the outside of described power supply, and described socket is fixed on described power supply and covers and be electrically connected with external power source and described power supply respectively.
CN201510797334.0A 2015-11-18 2015-11-18 LED vehicle lamp Pending CN105240774A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510797334.0A CN105240774A (en) 2015-11-18 2015-11-18 LED vehicle lamp

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Application Number Priority Date Filing Date Title
CN201510797334.0A CN105240774A (en) 2015-11-18 2015-11-18 LED vehicle lamp

Publications (1)

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CN105240774A true CN105240774A (en) 2016-01-13

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107940400A (en) * 2017-11-21 2018-04-20 浙江邝记汽车零部件有限公司 A kind of auto lamp

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CN104949031A (en) * 2015-06-29 2015-09-30 王树洪 LED automobile headlamp
CN104949034A (en) * 2015-07-13 2015-09-30 广州联祥汽车用品有限公司 Fan-free LED headlight provided with daytime running light
CN204693248U (en) * 2014-12-01 2015-10-07 东莞市耀弘光电有限公司 A kind of LED automobile head lamp
CN205118885U (en) * 2015-11-18 2016-03-30 蒋敏 LED (Light emitting diode) automobile lamp

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CN1450303A (en) * 2002-04-09 2003-10-22 奥斯兰姆施尔凡尼亚公司 Snap together automotive LED lighting assembly
CN2694484Y (en) * 2003-12-13 2005-04-20 鸿富锦精密工业(深圳)有限公司 Heat radiation fan wire fixing device combination
CN2717018Y (en) * 2004-06-04 2005-08-10 东莞莫仕连接器有限公司 Heat sink assembly
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107940400A (en) * 2017-11-21 2018-04-20 浙江邝记汽车零部件有限公司 A kind of auto lamp

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Application publication date: 20160113