CN204717544U - LED automobile lamp - Google Patents
LED automobile lamp Download PDFInfo
- Publication number
- CN204717544U CN204717544U CN201520352478.0U CN201520352478U CN204717544U CN 204717544 U CN204717544 U CN 204717544U CN 201520352478 U CN201520352478 U CN 201520352478U CN 204717544 U CN204717544 U CN 204717544U
- Authority
- CN
- China
- Prior art keywords
- led chip
- automobile lamp
- led
- reflector
- substrate
- 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
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model is applicable to auto lamp technical field, provides a kind of LED automobile lamp, is intended to the heat dissipation problem solving LED automobile lamp in prior art.This LED automobile lamp comprises LED chip, substrate, reflector, diffuser and lamp body panel; LED automobile lamp also comprises fixed installation substrate and by metal material through one-body molded and radiator that is that make, radiator comprises the body and multiple heat transmission fin with accommodating cavity, and each heat transmission fin interval is arranged.This LED automobile lamp utilizes one-body molded by metal material and radiator that is that make dispels the heat to LED chip, heat transmission fin is utilized to substantially increase area of dissipation, and expand heat dissipation channel simultaneously, effectively improve the heat transfer rate on unit heat exchange area, thus heat LED chip sent better directly conducts to LED automobile lamp outside by substrate, simple and compact for structure, heat exchange efficiency is high, stable performance.
Description
Technical field
The utility model belongs to auto lamp technical field, particularly relates to a kind of LED automobile lamp.
Background technology
The advantage such as LED is little with its volume, the life-span is long, energy consumption is low, vibration resistance, start-up time are fast has become the first-selection of young mobile light source technology.LED is a kind of injection lelctroluminescence device, and under the effect of extra electric field, part energy is converted into luminous energy by the radiation recombination in electronics and hole, and remaining Conversion of Energy is heat energy by the lattice vibration that radiationless compound produces.
Conventional light source to be replaced in car headlamp for LED, high-power, high efficiency and operating temperature must be possessed the high reliability of-40 DEG C ~ 125 DEG C.Realizing in these functional requirements, wherein a more formidable part is the problem of heat radiation, for single led, if heat concentrates in small-sized chip and can not effectively shed, chip temperature then can be caused to raise, cause the non-uniform Distribution of thermal stress, make chip failure.
Automotive LED headlamp due to space constraint, the vibration in addition in driving process, very high to the requirement of stability, each of which increases the heat radiation difficulty of LED car lamp.Add heat-conducting plate or heat pipe in addition in current most heat sink conception car light, add car light production complexity.
Therefore, the temperature rise how controlling LED automobile lamp is LED key issue in the urgent need to address in automotive lamp applications.
Utility model content
The purpose of this utility model is to provide a kind of LED automobile lamp, is intended to the heat dissipation problem solving LED automobile lamp in prior art.
The utility model is achieved in that a kind of LED automobile lamp, comprises LED chip, is fixedly connected with the substrate of described LED chip, the reflector corresponding with described LED chip, is arranged at described reflector rim of a cup for the diffuser of printing opacity and lamp body panel; Described LED automobile lamp also comprises the described substrate of fixed installation and by metal material through one-body molded and radiator that is that make, described LED chip and described radiator lay respectively at the relative both sides of described substrate, described radiator comprises the body with accommodating cavity and the multiple heat transmission fins giving prominence to extension along described body, and each described heat transmission fin interval is arranged; Described LED chip, described reflector and described diffuser are positioned at the same side of described substrate, described reflector between described substrate and described diffuser and described LED chip in the cup bottom of described reflector, described lamp body panel is fixedly installed in the side away from described heat transmission fin on described body and described substrate, described LED chip, described reflector and described diffuser is fixed in described accommodating cavity.
Further, described heat transmission fin becomes to be obliquely installed from described body side to its end.
Further, described reflector is disjunctor reflector and is provided with multiple reflective passage, and described LED chip set on described substrate and described reflective passage one_to_one corresponding, each described LED chip is in the focus of the described reflective passage of correspondence.
Further, described LED automobile lamp also comprises the waterproof apron between body and described lamp body panel being seal-installed on described radiator.
Further, described waterproof apron is by one-body molded and make.
Further, described radiator also comprise be positioned at described accommodating cavity chamber wall on to carry the stage portion of described diffuser, described stage portion is provided with the mounting groove of accommodating described waterproof apron.
The utility model relative to the technique effect of prior art is: this LED automobile lamp utilizes one-body molded by metal material and radiator that is that make dispels the heat to described LED chip, described heat transmission fin is utilized to substantially increase area of dissipation, and expand heat dissipation channel simultaneously, effectively improve the heat transfer rate on unit heat exchange area, thus the heat described LED chip sent better directly conducts to described LED automobile lamp outside by described substrate, simple and compact for structure, heat exchange efficiency is high, stable performance.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, be briefly described to the accompanying drawing used required in the embodiment of the present invention or description of the prior art below, apparently, accompanying drawing described is below only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the sectional view of the LED automobile lamp that the utility model provides;
Fig. 2 is the exploded view of LED automobile lamp in Fig. 1.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Please refer to Fig. 1 and Fig. 2, the LED automobile lamp that the utility model embodiment provides comprises LED chip 10, is fixedly connected with the substrate 20 of described LED chip 10, the reflector 30 corresponding with described LED chip 10, be arranged at described reflector 30 rim of a cup for the diffuser 40 of printing opacity and lamp body panel 50; Described LED automobile lamp also comprises the described substrate 20 of fixed installation and by metal material through one-body molded and radiator 60 that is that make, described LED chip 10 lays respectively at the relative both sides of described substrate 20 with described radiator 60, described radiator 60 comprises the body 62 with accommodating cavity 64 and the multiple heat transmission fins 65 giving prominence to extension along described body 62, and each described heat transmission fin 65 interval is arranged; Described LED chip 10, described reflector 30 and described diffuser 40 are positioned at the same side of described substrate 20, described reflector 30 is between described substrate 20 and described diffuser 40 and described LED chip 10 is positioned at the cup bottom of described reflector 30, and described lamp body panel 50 is fixedly installed in the side away from described heat transmission fin 65 on described body 62 and described substrate 20, described LED chip 10, described reflector 30 and described diffuser 40 is fixed in described accommodating cavity 64.
The LED automobile lamp that the utility model embodiment provides utilizes one-body molded by metal material and radiator 60 that is that make dispels the heat to described LED chip 10, described heat transmission fin 65 is utilized to substantially increase area of dissipation, and expand heat dissipation channel simultaneously, effectively improve the heat transfer rate on unit heat exchange area, thus the heat described LED chip 10 sent better directly conducts to described LED automobile lamp outside by described substrate 20, simple and compact for structure, heat exchange efficiency is high, stable performance.
In this embodiment, described radiator 60 is made up of metallic aluminium.
Please refer to Fig. 2, in this embodiment, described substrate 20 is positioned at described accommodating cavity 64 and close described heat transmission fin 65 side, described LED chip 10 is positioned at the side deviating from described heat transmission fin 65 of described substrate 20, and the heat that described LED chip 10 sends is directly conducted on described heat transmission fin 65 by described substrate 20.Described reflector 30 to be arranged on described substrate 20 and to be positioned at the same side with described LED chip 10, described diffuser 40 covers at the rim of a cup of described reflector 30 and between described body 62 and described lamp body panel 50, is shot out with the illumination described LED chip 10 sent.
In this embodiment, described diffuser 40 is made up of transparent PC material.
Please refer to Fig. 1 and Fig. 2, further, described heat transmission fin 65 becomes to be obliquely installed from described body 62 side to its end.Skewed to increase heat transfer extended surface further by described heat transmission fin 65 is set to, effectively increase heat dispersion.Operationally, the heat that described LED chip 10 produces directly is passed on described radiator 60 until described LED automobile lamp lamp body is outside by described substrate 20, by the described heat transmission fin 65 that is obliquely installed to contact with the convected air of lamp body outside, substantially increase heat exchange efficiency, and stable performance.
Please refer to Fig. 2, further, described reflector 30 is disjunctor reflector 30 and is provided with multiple reflective passage 32, and described LED chip 10 set on described substrate 20 and described reflective passage 32 one_to_one corresponding, each described LED chip 10 is positioned in the focus of corresponding described reflective passage 32.The light that described LED chip 10 sends when luminescence is launched by described reflective passage 32, and by described LED chip 10 and described reflective passage 32 one_to_one corresponding, can not mutually disturb during to make each described LED chip 10 luminous, substantially improve the luminescent properties of described LED chip 10, make its brightness higher and luminous evenly.
Please refer to Fig. 2, in this embodiment, described reflector 30 has four reflective passages 32, like this, described substrate 20 is welded with four described LED chip 10 corresponding with described reflective passage 32.In other embodiments, described reflector 30 can have 6 reflective passages 32 or 9 reflective passages 32, also can be the reflective passage 32 of other any amount.
Please refer to Fig. 1 and Fig. 2, further, described LED automobile lamp also comprises the waterproof apron 70 between body 62 and described lamp body panel 50 being seal-installed on described radiator 60.By arranging waterproof apron 70 to play the effect of water-tight between described body 62 and described lamp body panel 50, when avoiding Long-Time Service, rainwater flows in described accommodating cavity 64 along the gap between described body 62 and described lamp body panel 50, and cause the damage to described substrate 20 and described LED chip 10, greatly can improve the service life of described substrate 20 and described LED chip 10 like this, and ensure the luminescent properties of described LED chip 10, make its brightness higher and luminous evenly.
Please refer to Fig. 2, further, described waterproof apron 70 is by one-body molded and make.By described waterproof apron 70 being set to one so that install, and ensure the effect of water-tight.
Please refer to Fig. 1 and Fig. 2, further, described radiator 60 also comprise be positioned at described accommodating cavity 64 chamber wall on to carry the stage portion 66 of described diffuser 40, described stage portion 66 is provided with the mounting groove 68 of accommodating described waterproof apron 70.Described waterproof apron 70 to be placed in described mounting groove 68 and between described adjusting portion and described diffuser 40, and utilizing securing member to lock onto on described radiator 60 by described lamp body panel 50, described waterproof apron 70 and described diffuser 40 are fixed between described stage portion 66 and described lamp body panel 50.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. a LED automobile lamp, comprises LED chip, is fixedly connected with the substrate of described LED chip, the reflector corresponding with described LED chip, is arranged at described reflector rim of a cup for the diffuser of printing opacity and lamp body panel; It is characterized in that, also comprise the described substrate of fixed installation and by metal material through one-body molded and radiator that is that make, described LED chip and described radiator lay respectively at the relative both sides of described substrate, described radiator comprises the body with accommodating cavity and the multiple heat transmission fins giving prominence to extension along described body, and each described heat transmission fin interval is arranged; Described LED chip, described reflector and described diffuser are positioned at the same side of described substrate, described reflector between described substrate and described diffuser and described LED chip in the cup bottom of described reflector, described lamp body panel is fixedly installed in the side away from described heat transmission fin on described body and described substrate, described LED chip, described reflector and described diffuser is fixed in described accommodating cavity.
2. LED automobile lamp as claimed in claim 1, it is characterized in that, described heat transmission fin becomes to be obliquely installed from described body side to its end.
3. LED automobile lamp as claimed in claim 1, it is characterized in that, described reflector is disjunctor reflector and is provided with multiple reflective passage, and described LED chip set on described substrate and described reflective passage one_to_one corresponding, each described LED chip is in the focus of the described reflective passage of correspondence.
4. LED automobile lamp as claimed in claim 1, is characterized in that, also comprise the waterproof apron between body and described lamp body panel being seal-installed on described radiator.
5. LED automobile lamp as claimed in claim 4, is characterized in that, described waterproof apron is by one-body molded and make.
6. LED automobile lamp as claimed in claim 4, is characterized in that, described radiator also comprise be positioned at described accommodating cavity chamber wall on to carry the stage portion of described diffuser, described stage portion is provided with the mounting groove of accommodating described waterproof apron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520352478.0U CN204717544U (en) | 2015-05-27 | 2015-05-27 | LED automobile lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520352478.0U CN204717544U (en) | 2015-05-27 | 2015-05-27 | LED automobile lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204717544U true CN204717544U (en) | 2015-10-21 |
Family
ID=54316544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520352478.0U Expired - Fee Related CN204717544U (en) | 2015-05-27 | 2015-05-27 | LED automobile lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204717544U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106402818A (en) * | 2016-06-12 | 2017-02-15 | 江苏华骋科技有限公司 | Internally-installed passive-heat-dissipation LED (Light-Emitting Diode) working lamp |
| CN110671674A (en) * | 2019-10-18 | 2020-01-10 | 韦立 | Car light reflection cup |
-
2015
- 2015-05-27 CN CN201520352478.0U patent/CN204717544U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106402818A (en) * | 2016-06-12 | 2017-02-15 | 江苏华骋科技有限公司 | Internally-installed passive-heat-dissipation LED (Light-Emitting Diode) working lamp |
| CN110671674A (en) * | 2019-10-18 | 2020-01-10 | 韦立 | Car light reflection cup |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8167466B2 (en) | LED illumination device and lamp unit thereof | |
| CN103968313B (en) | Lighting device for vehicle, heat-radiating device and lighting device | |
| KR20210008810A (en) | Lamp | |
| KR102263962B1 (en) | Heat sink apparatus for led lighting apparatus | |
| CN109027958A (en) | A kind of radiator for matrix LED car light | |
| CN204717544U (en) | LED automobile lamp | |
| CN102141217A (en) | High-power LED street lamp adopting heat-pipe heat radiation | |
| CN102563429A (en) | LED bulb | |
| US20100073943A1 (en) | Outdoor Light-Emitting Diode Light Fixture and Lamp Casing Device Thereof | |
| CN104295942A (en) | LED bulb | |
| CN201803247U (en) | Street lamp module | |
| CN103343903A (en) | Lamp bulb with heat dissipation function | |
| CN203397072U (en) | Light source radiator of LED projection equipment | |
| CN204717547U (en) | LED automobile lamp | |
| CN202613149U (en) | Light-emitting diode (LED) down lamp with chimney convection effect thermal dissipation structure | |
| GB2464518A (en) | Outdoor light emitting diode lamp with sunshade | |
| CN204717545U (en) | LED automobile lamp | |
| CN201145243Y (en) | LED cup lamp | |
| CN203671307U (en) | Led lamp | |
| CN104235794A (en) | Fastening type vertical convection LED (light emitting diode) heat radiator and LED module lamp | |
| CN206291130U (en) | A kind of LED automobile lamp of good heat dissipation effect | |
| CN203395886U (en) | Light source heat dissipater group for LED (light-emitting diode) projection equipment | |
| CN201992605U (en) | Heat sink for high-power LED (light-emitting diode) lamps | |
| JP6811600B2 (en) | Heat dissipation structure of vehicle lighting equipment | |
| CN204717546U (en) | LED automobile lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170317 Address after: 516000 Guangdong City, Huizhou Province, East high tech Zone, Dongxing District, east new avenue, building B1, building 232, room two, room 108 Patentee after: Guangdong Game Technology Co., Ltd. Address before: 518000 Guangdong Province, Shenzhen New District of Longhua City, Dalang street, No. 159 Hua Wang Lu Jia Yang Instrument Industrial Zone 1-3 Patentee before: Shenzhen Yunao Lighting Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151021 Termination date: 20200527 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |