CN202868531U - LED headlamps of motor vehicle - Google Patents

LED headlamps of motor vehicle Download PDF

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Publication number
CN202868531U
CN202868531U CN2012205312129U CN201220531212U CN202868531U CN 202868531 U CN202868531 U CN 202868531U CN 2012205312129 U CN2012205312129 U CN 2012205312129U CN 201220531212 U CN201220531212 U CN 201220531212U CN 202868531 U CN202868531 U CN 202868531U
Authority
CN
China
Prior art keywords
led
lamp
dividing plate
reflective mirror
drive circuit
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
Application number
CN2012205312129U
Other languages
Chinese (zh)
Inventor
林祯彻
陈培坑
林永珊
蔡灿群
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GUANGDONG QIGUANG VEHICLE LIGHT INDUSTRY CO LTD
Original Assignee
GUANGDONG QIGUANG VEHICLE LIGHT INDUSTRY CO LTD
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 GUANGDONG QIGUANG VEHICLE LIGHT INDUSTRY CO LTD filed Critical GUANGDONG QIGUANG VEHICLE LIGHT INDUSTRY CO LTD
Priority to CN2012205312129U priority Critical patent/CN202868531U/en
Priority to PCT/CN2012/084181 priority patent/WO2014059708A1/en
Application granted granted Critical
Publication of CN202868531U publication Critical patent/CN202868531U/en
Priority to PCT/CN2013/085239 priority patent/WO2014059916A1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60QARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/0029Spatial arrangement
    • B60Q1/0041Spatial arrangement of several lamps in relation to each other
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141Light emitting diodes [LED]
    • F21S41/147Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device
    • F21S41/148Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device the main emission direction of the LED being perpendicular to the optical axis
    • 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
    • F21S45/48Passive cooling, e.g. using fins, thermal conductive elements or openings with means for conducting heat from the inside to the outside of the lighting devices, e.g. with fins on the outer surface of the lighting device

Abstract

Disclosed is a LED headlamp of motor vehicle. The LED headlamp of motor vehicle aims to solve problems existed in the prior art that lights of low-beam headlight and light of far reaching headlamp block with each other, dazzle is caused due to the fact that the brightest central luminous point shines straightly towards the front side, brightness of beam which shines forward is uneven, and lights can not be reflected in certain area of retroreflector. The LED headlamp of motor vehicle comprises a lamp cup body, a retroreflector, a light transmitting mirror, an LED lamp, an LED driving circuit board and a radiator. The LED headlamp of motor vehicle is characterized in that the internal cavity of the lamp cup body is divided into an upper portion and a lower portion by a partition which is in horizontal direction, the internal surface of the upper portion is provided with a low-beam headlamp retroreflector, the lower portion is divided by a partition into a left portion and a right portion, a far reaching headlamp retroreflector is arranged on the internal surface of the left portion and the right portion, the LED lamp is arranged respectively on the upper portion of the partition, the left portion of the partition and the right portion of the partition, the direction which the central luminous point shines towards is perpendicular to that of the partition and the central luminous point shines straightly towards the low-beam headlamp retroreflector or the far reaching headlamp retroreflector.

Description

A kind of automotive headlight of LED type
Technical field
The utility model belongs to the lighting of motor vehicle, particularly a kind of automotive headlight of LED type.
Background technology
The similar automotive headlight that generally uses at present, structure generally are comprised of lampshade, lamp housing, reflector, filament bulb, lamp socket, dust cap, light adjustment screw etc.Two filaments are arranged in the bulb, and one is headlight high beam filament, and one is dip filament.Headlight high beam filament is positioned on the focus of reflector, and its reflection ray is parallel, horizontal light, is the ellipticity hot spot at photometric screen; Dip filament then is positioned at the top of reflector focus, and its reflection ray is downward parallel rays, produces "cut-off"line at photometric screen.The light height of headlamp can be adjusted screw by light and regulate.There are the defectives such as the illumination duration is short in large, the flame-out situation of illumination power consumption power consumption, bulb life is short in the headlamp of this employing filament bulb.Therefore the front car light of led light source has appearred adopting at present, in order to overcome the problems such as the illumination duration is short in large, the flame-out situation of illumination power consumption power consumption, bulb life is short.
Chinese patent provides a kind of LED front car light No. 201110375197.3, can be used as automotive headlight.Its structure comprises the dipped headlights group, high beam group, pcb board, radiator; Described dipped headlights group and high beam group are installed on the pcb board, and radiator is equipped with at described pcb board rear portion; It is characterized in that: described dipped headlights group comprises a LED lamp and a dipped beam cup; Described high beam group comprises a LED lamp and a distance light cup; Described dipped beam cup and distance light cup inner face are minute surface, and this minute surface is divided into several irregular free form surfaces vertically; The cup of described dipped beam cup and distance light cup all is divided at least 3 sections vertically, and each section throws light on to different zones.The defective of this technical scheme: the one, arrange and make in tandem by axis because distance light cup and dipped beam cup are coaxial line, so cause the total length of reflective mirror and lamp body longer, make the bad layout of automotive headlight, and be in that LED lamp that outer section light cup match also is not easy to fixedly mount and the light of the light of inner segment light cup emission and the LED lamp emission that is mated is caused certain blocking; The 2nd, because the brightest center luminous point of LED lamp directly shines towards the place ahead, can cause send a car driver and other road user and dazzle the eyes or discomfort, produce easily traffic accident, road vehicle driving safety weak effect, and the even property of uneven illumination is excessive, and illuminating effect is not good even harmful.
Chinese patent provides a kind of LED car light with temperature protection function for No. 201120376957.8.Its structure comprises reflector, is fixed in led drive circuit unit and led chip on the reflector, it is characterized in that: the chip base of described led chip is provided with temperature sensor, and the signal output part of described temperature sensor is connected with the feedback signal input of led drive circuit unit.On diagram, the brightest center luminous point of LED lamp towards consisting of 90 ° of angles with the light cup axis, namely the brightest center of LED lamp luminous point is towards reflector, by the reflector refraction forwards, can solve the problem that the brightest center luminous point of LED lamp causes dizzy eye.But this technical scheme is owing to exist such defective and the improper automotive headlight that is used as: the one, can not realize that a car light has dipped beam and distance light conversion simultaneously; The 2nd, the reflective surface downside of reflector forms and is subjected to the light dead angle, so that inhomogeneous to the beam brightness of front irradiation, illuminating effect is not good.
Summary of the invention
For overcome the existing car light that can be used as automotive headlight exist in the car light center luminous point that light blocks mutually, the LED lamp is the brightest between the dipped headlights and high beam towards the place ahead directly according to causing dizzy eye and, reflective mirror existence inhomogeneous to the beam brightness of front irradiation to be subjected to the defectives such as light dead angle, the purpose of this utility model provides a kind of automotive headlight of improved LED type, can overcome the defective of prior art.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of automotive headlight of LED type, comprise the Lamp cup body, reflective mirror, transmissive mirror, the LED lamp, led drive circuit plate and radiator, wherein reflective mirror is located on the Lamp cup body internal face, transmissive mirror is located on the Lamp cup body front port, radiator is located on the Lamp cup body, the led drive circuit plate is installed on the radiator, the LED lamp is connected and fixed on the led drive circuit plate and is in the Lamp cup body, the power end of led drive circuit plate can be access to the lamp external power by wire, it is characterized in that: described Lamp cup intracoelomic cavity is divided into upper portion and lower portion by the dividing plate that is the level of state, the internal face of upper portion is arranging a dipped headlights reflective mirror, lower portion is left part and right side part by baffle for separating, the internal face of left part and right side part is arranging respectively a high beam reflective mirror, described upper portion, be furnished with respectively a described LED lamp on the dividing plate that left part and part inherence, right side are the level of state, LED lamp center luminous point towards directly shining respectively described dipped headlights reflective mirror or high beam reflective mirror with the divider upright that is the level of state.
The described radiator of technique scheme can be installed on the external side of the Lamp cup back side, the heat absorbing end of radiator stretches in the dividing plate that is the level of state from the back side, the outside of the described dividing plate that is the level of state, and described led drive circuit plate is installed on the heat absorbing end of radiator, the LED lamp on the led drive circuit plate is exposed in described upper portion, left part or the right side part by the aperture on the described dividing plate that is the level of state respectively.
The described dividing plate that lower portion is separated into left part and right side part of technique scheme can be a dividing plate with double camber, and this double camber consists of the edge of described two high beam reflective mirrors with the dividing plate that is the level of state.
Can be provided with a front position lamp on the dividing plate between the described left part of technique scheme and right side are divided.
The described front position lamp of technique scheme can be a LED lamp or incandescent lamp etc.
The inner cavity of the described Lamp cup body of technique scheme sees it can is rounded shape from the front.
The described LED lamp that is arranged in upper portion of technique scheme can be the focus top position that is in the high beam reflective mirror, so that the light that the dipped headlights reflective mirror reflects is downward parallel rays, produces "cut-off"line at photometric screen; The described LED lamp that is arranged in left part and right side part can be the focal position that is in high beam reflective mirror separately, so that the light that the high beam reflective mirror reflects is parallel, horizontal light, is bright ellipticity hot spot at photometric screen.
The described led drive circuit plate of technique scheme can be made of printed circuit plate body and circuit part mounted thereto, and circuit part can be connected and composed as correspondence by driver IC and peripheral Zener diode, electric capacity, resistance, the inductor thereof of model AL8806.
The beneficial effects of the utility model: because the Lamp cup intracoelomic cavity is divided into upper portion and lower portion by the dividing plate that is the level of state, the internal face of upper portion is arranging a dipped headlights reflective mirror, lower portion is left part and right side part by baffle for separating, the internal face of left part and right side part is arranging respectively a high beam reflective mirror, described upper portion, be furnished with respectively a described LED lamp on the dividing plate that left part and part inherence, right side are the level of state, so headlamp can be realized far, the conversion of low beam light, and the dipped headlights in the headlamp and the problem that can not occur mutually blocking of the light between the high beam; Since LED lamp center luminous point towards perpendicular and directly shining respectively described dipped headlights reflective mirror or high beam reflective mirror with the dividing plate that is the level of state, can directly not shine towards the place ahead, so all parallel ejaculations forward by the reflection of reflective mirror of light, light is softer, beam brightness is more even, particularly send a car driver and other road user are not existed and dazzle the eyes or discomfort, can reduce accident, improve the road vehicle driving safety; Because the Lamp cup intracoelomic cavity is divided into upper portion and lower portion by the dividing plate that is the level of state, the LED lamp is to be arranged on the dividing plate that is the level of state, upper portion, left part or right side part internal face can not produce and be subjected to the light dead angle, so the beam brightness to front irradiation is even, good illumination effect; Owing to adopt the LED lamp as light source, so the electric current of vehicle circuitry carrying is little, the probability of cable short circuit is little, is not easy heating, is conducive to road driving safety; Owing on the dividing plate between described left part and right side are divided front position lamp can also be set, so front position lamp can be combined in the headlamp of motor vehicle, improved the use function of headlamp, saved the expense that motor vehicle will be installed front position lamp in addition.
Below in conjunction with embodiment the utility model is done to describe more specifically.
Description of drawings
Fig. 1 is the front schematic view of an embodiment of the utility model.
Fig. 2 is the A-A cross-sectional schematic of Fig. 1.
Fig. 3 is the B-B cross-sectional schematic of Fig. 1.
Fig. 4 is the schematic circuit of circuit part on any led drive circuit plate of Fig. 1.
Among the figure: 1, Lamp cup body; 2, reflective mirror; 3, transmissive mirror; 4, LED lamp; 5, led drive circuit plate; 6, radiator; 7, the dividing plate that is the level of state; 8, upper portion; 9, dipped headlights reflective mirror; 10, dividing plate; 11, left part; 12, right side part; 13 and 14, high beam reflective mirror; 15, front position lamp; 16, heat absorbing end; 17, aperture; 18 and 19, LED lamp.
The specific embodiment
With reference to Fig. 1~Fig. 3, the automotive headlight of this LED type, comprise Lamp cup body 1, reflective mirror 2 etc., transmissive mirror 3, LED lamp 4 etc., led drive circuit plate 5 grades and radiator 6, wherein reflective mirror 2 is located on Lamp cup body 1 internal face, transmissive mirror 3 is located on Lamp cup body 1 front port, radiator 6 is located on the Lamp cup body 1, led drive circuit plate 5 is installed on the radiator 6, LED lamp 4 is connected and fixed on the led drive circuit plate 5 and is in the Lamp cup body 1, the power end of led drive circuit plate 5 can be access to the lamp external power by wire, it is characterized in that: described Lamp cup body 1 inner chamber is divided into upper portion 8 and lower portion by the dividing plate 7 that is the level of state, the internal face of upper portion 8 is arranging a dipped headlights reflective mirror 9, lower portion is divided into left part 11 and right side part 12 by dividing plate 10, the internal face of left part 11 and right side part 12 is arranging respectively a high beam reflective mirror 13,14, described upper portion 8, be furnished with respectively a described LED lamp 4 etc. on the dividing plate 7 that left part 11 or right side part 12 inherences are the level of state, the center luminous point of LED lamp 4 grades towards vertical with the dividing plate 7 that is the level of state and directly shining respectively described dipped headlights reflective mirror 9 or high beam reflective mirror 13,14.
In addition, be provided with a front position lamp 15 on the dividing plate 10 between described left part 11 and the right side part 12; Radiator 6 is installed on the back side, Lamp cup body 1 outside, the heat absorbing end 14 of radiator 6 stretches into from the back side, the outside of the described dividing plate that is the level of state 7 in the dividing plate 7 that is the level of state, the heat absorbing end that described led drive circuit plate 5 philosophies are installed in radiator 6 about in the of 16 LED lamp 4 philosophies on two sides, the led drive circuit plate 5 etc. be exposed in described upper portion 8, left part 11 or the right side part 12 by aperture 17 philosophies on the described dividing plate that is the level of state 7; The dividing plate 10 that lower portion is separated into left part 11 and right side part 12 is one to have the dividing plate of double camber, and this double camber consists of described two high beam reflective mirrors 13,14 edge with the dividing plate 7 that is the level of state; Front position lamp is a LED lamp; As shown in Figure 1, the inner cavity of Lamp cup body sees it is rounded shape from the front; The LED lamp 4 that is arranged in upper portion 8 is the focus top positions that are in dipped headlights reflective mirror 9, so that the light that dipped headlights reflective mirror 9 reflects is downward parallel rays; Be arranged in the LED lamp 18, the 19th of left part 11 and right side part 12, be in respectively high beam reflective mirror 13,14 focal position, so that the light that high beam reflective mirror 13,14 reflects is parallel, horizontal light.
With reference to Fig. 4, the schematic circuit of circuit part on the led drive circuit plate 5, driver IC IC and peripheral Zener diode D1 and D2, capacitor C 1~C4, resistance R 1~R3, inductor L thereof by model AL8806 connect and compose as correspondence, after the lamp external power is inputted by Zener diode D1, through after the processing of IC, from the 1 pin output drive signal of IC, the driving LED lamp is luminous.

Claims (7)

1. the automotive headlight of a LED type, comprise the Lamp cup body, reflective mirror, transmissive mirror, the LED lamp, led drive circuit plate and radiator, wherein reflective mirror is located on the Lamp cup body internal face, transmissive mirror is located on the Lamp cup body front port, radiator is located on the Lamp cup body, the led drive circuit plate is installed on the radiator, the LED lamp is connected and fixed on the led drive circuit plate and is in the Lamp cup body, the power end of led drive circuit plate can be access to the lamp external power by wire, it is characterized in that: described Lamp cup intracoelomic cavity is divided into upper portion and lower portion by the dividing plate that is the level of state, the internal face of upper portion is arranging a dipped headlights reflective mirror, lower portion is left part and right side part by baffle for separating, the internal face of left part and right side part is arranging respectively a high beam reflective mirror, described upper portion, be furnished with respectively a described LED lamp on the dividing plate that left part and part inherence, right side are the level of state, LED lamp center luminous point towards directly shining respectively described dipped headlights reflective mirror or high beam reflective mirror with the divider upright that is the level of state.
2. press the automotive headlight of LED type claimed in claim 1, it is characterized in that described radiator is installed on the external side of the Lamp cup back side, the heat absorbing end of radiator stretches in the dividing plate that is the level of state from the back side, the outside of the described dividing plate that is the level of state, and described led drive circuit plate is installed on the heat absorbing end of radiator, the LED lamp on the led drive circuit plate is exposed in described upper portion, left part or the right side part by the aperture on the described dividing plate that is the level of state respectively.
3. press the automotive headlight of claim 1 or 2 described LED types, it is characterized in that the described dividing plate that lower portion is separated into left part and right side part is a dividing plate with double camber, this double camber consists of the edge of described two high beam reflective mirrors with the dividing plate that is the level of state.
4. by the automotive headlight of claim 1 or 2 described LED types, it is characterized in that being provided with a front position lamp on the dividing plate between dividing of described left part and right side.
5. by the automotive headlight of claim 1 or 2 described LED types, it is characterized in that the inner cavity of described Lamp cup body, see rounded shape from the front.
6. press the automotive headlight of claim 1 or 2 described LED types, it is characterized in that the described LED lamp that is arranged in upper portion is the focus top position that is in the high beam reflective mirror, the described LED lamp that is arranged in left part or right side part is the focal position that is in high beam reflective mirror separately.
7. press the automotive headlight of claim 1 or 2 described LED types, it is characterized in that circuit part on the described led drive circuit plate, to be connected and composed as correspondence by the driver IC of model AL8806 and Zener diode, electric capacity, resistance, the inductor of periphery thereof, after the lamp external power is inputted by Zener diode, from 1 pin output drive signal of driver IC, the driving LED lamp is luminous.
CN2012205312129U 2012-10-17 2012-10-17 LED headlamps of motor vehicle Expired - Fee Related CN202868531U (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN2012205312129U CN202868531U (en) 2012-10-17 2012-10-17 LED headlamps of motor vehicle
PCT/CN2012/084181 WO2014059708A1 (en) 2012-10-17 2012-11-07 Led motor vehicle headlamp
PCT/CN2013/085239 WO2014059916A1 (en) 2012-10-17 2013-10-15 Led motor vehicle headlamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012205312129U CN202868531U (en) 2012-10-17 2012-10-17 LED headlamps of motor vehicle

Publications (1)

Publication Number Publication Date
CN202868531U true CN202868531U (en) 2013-04-10

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CN (1) CN202868531U (en)
WO (2) WO2014059708A1 (en)

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CN102878512A (en) * 2012-10-17 2013-01-16 广东骑光车灯工业有限公司 LED (Light Emitting Diode) headlamp for motor vehicle
WO2014059916A1 (en) * 2012-10-17 2014-04-24 Cai Jinhui Led motor vehicle headlamp
CN104864343A (en) * 2015-06-03 2015-08-26 朱国平 Twin light integrated LED automobile headlamp
CN105180061A (en) * 2015-10-22 2015-12-23 海宁索乐美光电有限公司 Flash LED stop lamp with high-definition lens
CN105276487A (en) * 2015-11-25 2016-01-27 海盐丽光电子科技有限公司 High beam and low beam integrated LED automobile lens
CN108916810A (en) * 2017-04-21 2018-11-30 法雷奥照明湖北技术中心有限公司 Reflective optical system, car light and the motor vehicles of optical module for car light
CN109073190A (en) * 2016-04-27 2018-12-21 株式会社小糸制作所 Lighting device

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Publication number Priority date Publication date Assignee Title
CN102878512A (en) * 2012-10-17 2013-01-16 广东骑光车灯工业有限公司 LED (Light Emitting Diode) headlamp for motor vehicle
WO2014059916A1 (en) * 2012-10-17 2014-04-24 Cai Jinhui Led motor vehicle headlamp
CN102878512B (en) * 2012-10-17 2015-05-13 广东骑光车灯工业有限公司 LED (Light Emitting Diode) headlamp for motor vehicle
CN104864343A (en) * 2015-06-03 2015-08-26 朱国平 Twin light integrated LED automobile headlamp
CN105180061A (en) * 2015-10-22 2015-12-23 海宁索乐美光电有限公司 Flash LED stop lamp with high-definition lens
CN105276487A (en) * 2015-11-25 2016-01-27 海盐丽光电子科技有限公司 High beam and low beam integrated LED automobile lens
CN109073190A (en) * 2016-04-27 2018-12-21 株式会社小糸制作所 Lighting device
CN109073190B (en) * 2016-04-27 2021-04-20 株式会社小糸制作所 Lighting device
CN108916810A (en) * 2017-04-21 2018-11-30 法雷奥照明湖北技术中心有限公司 Reflective optical system, car light and the motor vehicles of optical module for car light

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WO2014059708A1 (en) 2014-04-24

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