CN202884754U - Light-emitting diode (LED) car light - Google Patents

Light-emitting diode (LED) car light Download PDF

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Publication number
CN202884754U
CN202884754U CN2012205245355U CN201220524535U CN202884754U CN 202884754 U CN202884754 U CN 202884754U CN 2012205245355 U CN2012205245355 U CN 2012205245355U CN 201220524535 U CN201220524535 U CN 201220524535U CN 202884754 U CN202884754 U CN 202884754U
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China
Prior art keywords
led
light
car light
chip
led chip
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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.)
Withdrawn - After Issue
Application number
CN2012205245355U
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Chinese (zh)
Inventor
赵家启
赵鲁予
胡晋红
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QINGDAO INFORMATION AND CONTROL ELECTRONIC TECHNOLOGY CO LTD
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Priority to CN2012205245355U priority Critical patent/CN202884754U/en
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Abstract

The utility model provides a light-emitting diode (LED) car light which solve the problem that an automobile headlamp in the prior art is low in luminous efficiency. The LED car light comprises a radiator with a substrate and radiation fins, an axial flow fan arranged on the lateral side of the radiator, an LED chip arranged in the center of the upper surface of the radiator substrate, a lens fixing barrel arranged on the upper surface of the radiator substrate and sleeved on the LED chip and a planoconvex lens fixed on the lens fixing barrel. The LED car light uses advanced integrated package technique. A required shape, required voltage, required current, required luminous flux and required color temperature can be obtained by designing the LED chip. The LED car light is accurate in designing and processing, easy to realize and capable of substituting a halogen tungsten lamp.

Description

A kind of LED car light
Technical field
The utility model relates to lighting technical field, particularly a kind of LED car light.
Background technology
Car headlamp mainly comprises monochromatic light formula high beam, monochromatic light formula dipped headlights, two light formula distance light/dipped headlights and fog lamp, generally uses at present halogen tungsten lamp as light source.Halogen tungsten lamp is that blanketing gas contains part halogen or halid gas incandescent lamp, and its luminous efficiency is 20Lm/W, colour temperature 3000K, and about 2000 hours service life, indices is all lower.And the luminous flux of halogen tungsten lamp can change with service voltage, and its colour temperature also can redden along with the voltage step-down, dimmed, therefore only suits to work under fixed voltage, should not control with the mode that changes voltage the change of luminous flux.
Monochromatic light formula high beam concentrator generally adopts the free form surface excipient, disposable optically focused, and light extraction efficiency is higher, but the light shape uniformity that irradiates is not good enough.Join a little reflector and before the principal reflection bulb, add, penetrate light shape and make moderate progress, but light extraction efficiency decreases.
Monochromatic light formula dipped headlights is to configure a little reflector in principal reflection before the bulb, obtain the left low right high irradiation light shape in top, but light source is subject to greater loss.
Two light formula distance light/dipped headlights also are that a little reflection shield is installed in principal reflection, and light source adopts two-filament bulb.The rear portion headlight high beam filament is subjected to the impact of little reflector, and light efficiency reduces; And a little reflecting disc is installed near dip filament, and make dipped beam through two secondary reflections, the light efficiency loss is larger, and light shape uniformity is relatively poor.
For the lens type headlamp, be by behind the prefocus cup optically focused, obtain institute's light requirement shape by light-passing board, lens.But still some light is blocked, and reduced light efficiency.
The utility model content
The utility model proposes a kind of LED car light, solved the low problem of car headlamp light extraction efficiency in the prior art.
The technical solution of the utility model is achieved in that
A kind of LED car light comprises: the radiator that includes substrate and fin; Be arranged on the axial flow blower of described radiator side; Be arranged on the led chip of described radiator base plate upper surface center; Be arranged on described radiator base plate upper surface and be set in camera lens stationary magazine creel on the described led chip; Be fixed on the planoconvex spotlight on the described camera lens stationary magazine creel.
Alternatively, along left higher 1-2mm, 1-2mm on the low side to the right from the centre, be circular arc along two ends down on the light-emitting area of described led chip.
Alternatively, described led chip adopts the crystal grain of 120 0.3W to arrange in the mode of 10 and 12 strings.
Alternatively, also comprise the LED companion chip, the crystal grain of LED companion chip be distributed in described led chip around, the upper edge of the common light-emitting area that forms of described led chip and LED companion chip and lower to straight, two ends are circular arc.
Alternatively, described LED companion chip adopts the crystal grain of 60 0.3W to arrange in the mode of 5 and 12 strings.
Alternatively, edge and lower to straight on the light-emitting area of described LED chip, two ends are circular arc.
Alternatively, described led chip adopts the crystal grain of 180 0.3W to arrange in the mode of 15 and 12 strings.
Alternatively, the diameter of described planoconvex spotlight is 65-75mm.
Alternatively, described radiator adopts 1060 aluminium sheets to process, and fin thickness is greater than or equal to 0.2mm.
The beneficial effects of the utility model are:
(1) adopt advanced integration packaging technology, can obtain by the design to led chip required shape, voltage, electric current, luminous flux and colour temperature, design processing precisely is easy to realize, can substitutes halogen tungsten lamp;
(2) about 50000 hours service life, shock-proof durable satisfies the best visual effect of automotive lighting colour temperature 4500K-5000K, and light is soft;
(3) the planoconvex spotlight light transmittance reaches 96%, and light shape is rule evenly;
(4) colour temperature is fixed, and not with the operating current size variation, luminous flux is but with curent change, but the use of high power design low-power, and stepping is easy to operate.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the utility model LED car light;
Fig. 2 is the structural representation of embodiment one of the led chip of the utility model LED car light;
Fig. 3 is the structural representation of embodiment two of the led chip of the utility model LED car light;
Fig. 4 is the structural representation of embodiment three of the led chip of the utility model LED car light;
Fig. 5 is the structural representation of the utility model LED car light radiator.
The specific embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 is the structural representation of the utility model LED car light.
As shown in Figure 1, LED car light of the present utility model comprises: radiator 10 comprises the substrate and the fin that laminate moulding; Axial flow blower 20 is arranged on the side of radiator 10; Led chip 30 is arranged on radiator 10 upper surface of base plate centers; Camera lens stationary magazine creel 40 is arranged on radiator 10 upper surface of base plate and is set on the led chip 30; Planoconvex spotlight 50 is fixed on the camera lens stationary magazine creel 40.
Fig. 2 is the structural representation of embodiment one of the led chip of the utility model LED car light.
As shown in Figure 2, on the light-emitting area of led chip along left higher 1-2mm, 1-2mm on the low side to the right from the centre, be circular arc along two ends down, preferably, be smaller part moon side cut shape along two ends down, the led chip of the present embodiment can provide the dipped headlights illumination, during use, the left low right height in light shape top reduces the irradiation to sending a car.The design of the circular arc on edge is with reference to the design of lens type dipped headlights under the present embodiment led chip light-emitting area, but those skilled in the art can be designed to any shape according to actual needs.Led chip adopts 120 of the crystal grain of high light efficiency 0.3W, arrange by 10 and 12 strings, associating power supply voltage 36V-38V, electric current 1A, power 36W, colour temperature is controlled at 4500K-5000K, luminous efficiency 〉=80Lm/W, the luminous flux 2880Lm of 36W uses by its half-power, its luminous flux still is higher than the 55W halogen tungsten lamp, uses to stepping to bring convenience.The colour temperature of led chip be by to the proportioning debugging control of fluorescent material at 4500K-5000K, bright soft close to the positive white light of sunlight, good visual effect.The combination voltage of the utility model led chip is not limited to 36V-38V, and those skilled in the art also can adopt other series-parallel systems, to satisfy the requirement of car light indices and light shape.Led chip is selected the mode of 10 and 12 strings in the present embodiment, and its rated current only has 1A, and is less by the electric current of switch or relay tip, is conducive to prolong the service life of device, comparatively loose to the requirement of cable and connector.Preferably, the utility model led chip light-emitting area is of a size of 12 * 45 (mm), and namely vertical highest point is 12mm, and horizontal the widest part is 45mm.
Fig. 3 is the structural representation of embodiment two of the led chip of the utility model LED car light.
As shown in Figure 3, edge and lower to straight on the light-emitting area of led chip, two ends are circular arc.Among the embodiment two, led chip adopts the crystal grain of 180 0.3W to arrange in the mode of 15 and 12 strings, combination voltage 36V-38V, electric current 1.5A, power 54W, luminous efficiency 〉=80Lm/W, the luminous flux 4320Lm of 54W, use by its half-power, its luminous flux still is higher than the luminous flux of halogen tungsten lamp, uses to stepping to bring convenience.The colour temperature of led chip be by to the proportioning debugging control of fluorescent material at 4500K-5000K, bright soft close to the positive white light of sunlight, good visual effect can provide the high beam illumination; Perhaps by the debugging of fluorescent material proportioning is controlled at 3500K-4000K with the colour temperature of led chip, photochromic partially yellow, be conducive to improve haze-penetrating capability, therefore, the led chip among the embodiment two also can be used as the fog lamp illumination by the proportioning that changes fluorescent material and uses.The combination voltage of the utility model led chip is not limited to 36V-38V, and those skilled in the art also can adopt other series-parallel systems, to satisfy the requirement of car light indices and light shape.Select the mode of 15 and 12 strings, its rated current only has 1.5A, and is less by the electric current of switch or relay tip, is conducive to prolong the service life of device, comparatively loose to the requirement of cable and connector.Preferably, the utility model led chip light-emitting area is of a size of 12 * 45 (mm), and namely vertical highest point is 12mm, and horizontal the widest part is 45mm.
Fig. 4 is the structural representation of embodiment three of the led chip of the utility model LED car light.
As shown in Figure 4, led chip among the embodiment three comprises LED master chip 401, identical with the led chip among the embodiment one, also comprise LED companion chip 402, the crystal grain of LED companion chip 402 be distributed in LED master chip 401 around, the upper edge of LED master chip 401 and the LED companion chip 402 common light-emitting areas that form and lower to straight, two ends are circular arc.LED companion chip 402 adopts the crystal grain of 60 0.3W to arrange in the mode of 5 and 12 strings.The associating power supply voltage 36V-38V of LED companion chip 402, electric current 0.5A, power 18W, luminous efficiency 〉=80Lm/W, luminous flux 1440Lm, colour temperature is controlled at 4500K-5000K.When LED master chip 401 throws light on separately, can provide the dipped headlights illumination; When LED master chip 401 and LED companion chip throw light on jointly, can provide the high beam illumination, synthetic power 54W, total light flux 4320Lm.The associating power supply voltage of the utility model led chip is not limited to 36V-38V, and those skilled in the art also can adopt other series-parallel systems, to satisfy the requirement of car light indices and light shape.Preferably, LED master chip 401 is of a size of 10.5 * 44 (mm),, namely vertical highest point is 10.5mm, horizontal the widest part is 44mm; The overall dimensions of LED master chip 401 and LED companion chip 402 is 12 * 45 (mm), and namely vertical highest point is 12mm, and horizontal the widest part is 45mm.
LED car light of the present utility model places planoconvex spotlight back focal length place can obtain the evenly light shape of rule led chip, and experimental data is as follows:
(1) planoconvex spotlight diameter 65mm, the high 24mm of convex surface, 40 ° at horizontal irradiation angle, 12 ° at vertical irradiation angle, light transmittance 96%;
(2) planoconvex spotlight diameter 65mm, the high 31mm of convex surface, 44 ° at horizontal irradiation angle, 14 ° at vertical irradiation angle, light transmittance 96%;
(3) planoconvex spotlight diameter 75mm, the high 24mm of convex surface, 32 ° at horizontal irradiation angle, 10 ° at vertical irradiation angle, light transmittance 96%;
It only is that schematically the lens of matching other specifications can obtain different illumination angles that the diameter of planoconvex spotlight is selected 65-75mm.
The radiator of LED car light of the present utility model adopts 1060 aluminium sheets to process, and as shown in Figure 5, comprises the substrate 501 and the fin 502 that laminate moulding, the thickness 〉=0.2mm of fin 502.Because the power of led chip is 36W-54W, need well heat radiation, preferably, the overall dimensions of radiator is 80 * 80 * 92 (mm), integral heat sink area 5500cm 2, have the fin of 41 80 * 80 * 0.2 (mm), make chip maintain 100-150cm 2The area of dissipation of/W.
Wind speed 〉=the 1.5m/s of axial flow blower of the present utility model, guarantee that chip has low operating temperature, preferably, select the axial flow blower of 70 * 70 * 15 (mm) or 80 * 80 * 15 (mm) to chip cooling, guarantee that junction temperature of chip is in lower duty.
LED car light of the present utility model adopts advanced integration packaging technology, can obtain by the design to led chip required shape, voltage, electric current, luminous flux and colour temperature, and design processing precisely is easy to realize, can substitutes halogen tungsten lamp; About 50000 hours service life, shock-proof durable satisfies the best visual effect of automotive lighting colour temperature 4500K-5000K, and light is soft; The planoconvex spotlight light transmittance reaches 96%, and light shape is rule evenly; Colour temperature is fixed, and not with the operating current size variation, luminous flux is but with curent change, but the use of high power design low-power, and stepping is easy to operate.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.

Claims (9)

1. a LED car light is characterized in that, comprising:
Radiator comprises the substrate and the fin that laminate moulding;
Be arranged on the axial flow blower of described radiator side;
Be arranged on the led chip of described radiator base plate upper surface center;
Be arranged on described radiator base plate upper surface and be set in camera lens stationary magazine creel on the described led chip;
Be fixed on the planoconvex spotlight on the described camera lens stationary magazine creel.
2. LED car light as claimed in claim 1 is characterized in that, along left higher 1-2mm, 1-2mm on the low side to the right from the centre, is circular arc along two ends down on the light-emitting area of described led chip.
3. LED car light as claimed in claim 2 is characterized in that, described led chip adopts the crystal grain of 120 0.3W to arrange in the mode of 10 and 12 strings.
4. LED car light as claimed in claim 2, it is characterized in that, also comprise the LED companion chip, the crystal grain of LED companion chip be distributed in described led chip around, the upper edge of the common light-emitting area that forms of described led chip and LED companion chip and lower to straight, two ends are circular arc.
5. LED car light as claimed in claim 4 is characterized in that, described LED companion chip adopts the crystal grain of 60 0.3W to arrange in the mode of 5 and 12 strings.
6. LED car light as claimed in claim 1 is characterized in that, edge and lower to straight on the light-emitting area of described led chip, and two ends are circular arc.
7. LED car light as claimed in claim 6 is characterized in that, described led chip adopts the crystal grain of 180 0.3W to arrange in the mode of 15 and 12 strings.
8. such as each described LED car light of claim 1 to 7, it is characterized in that, the diameter of described planoconvex spotlight is 65-75mm.
9. LED car light as claimed in claim 8 is characterized in that, described radiator adopts 1060 aluminium sheets to process, and fin thickness is greater than or equal to 0.2mm.
CN2012205245355U 2012-10-11 2012-10-11 Light-emitting diode (LED) car light Withdrawn - After Issue CN202884754U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012205245355U CN202884754U (en) 2012-10-11 2012-10-11 Light-emitting diode (LED) car light

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012205245355U CN202884754U (en) 2012-10-11 2012-10-11 Light-emitting diode (LED) car light

Publications (1)

Publication Number Publication Date
CN202884754U true CN202884754U (en) 2013-04-17

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CN2012205245355U Withdrawn - After Issue CN202884754U (en) 2012-10-11 2012-10-11 Light-emitting diode (LED) car light

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102878511A (en) * 2012-10-11 2013-01-16 青岛信控电子技术有限公司 Light-emitting diode (LED) car lamp

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102878511A (en) * 2012-10-11 2013-01-16 青岛信控电子技术有限公司 Light-emitting diode (LED) car lamp
CN102878511B (en) * 2012-10-11 2016-10-19 赵家启 A kind of LED car lamp

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20130417

Effective date of abandoning: 20161012

C25 Abandonment of patent right or utility model to avoid double patenting
C41 Transfer of patent application or patent right or utility model
CB03 Change of inventor or designer information

Inventor after: Zhao Jiaqi

Inventor after: Zhao Luyu

Inventor before: Zhao Jiaqi

Inventor before: Zhao Luyu

Inventor before: Hu Jinhong

COR Change of bibliographic data
TR01 Transfer of patent right

Effective date of registration: 20160918

Address after: 266000 Shandong city of Qingdao province Taihu City Road No. 8 101

Patentee after: Zhao Jiaqi

Address before: Shinan District 266000 Shandong city of Qingdao province Taihu Road No. 8 Room 101

Patentee before: Qingdao Information and Control Electronic Technology Co.,Ltd.