CN202691849U - Novel headlamp with integrated light emitting diode - Google Patents
Novel headlamp with integrated light emitting diode Download PDFInfo
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- CN202691849U CN202691849U CN2012203421297U CN201220342129U CN202691849U CN 202691849 U CN202691849 U CN 202691849U CN 2012203421297 U CN2012203421297 U CN 2012203421297U CN 201220342129 U CN201220342129 U CN 201220342129U CN 202691849 U CN202691849 U CN 202691849U
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Abstract
The utility model discloses a novel headlamp with an integrated light emitting diode. The novel headlamp mainly solves the problems that the headlamp of the traditional motor vehicle is low in illumination and developing index, is not changeful in color temperature, is low in light efficiency and short in service life, and is not beneficial to saving energy and protecting the environment, or the headlamp with the light emitting diode in the prior art is poor in luminous flux and bad in radiating effect and the like. The novel headlamp comprises a light source, a reflection cup and a transparent mask, wherein the transparent mask covers the outlet of the reflection cup; the light source is arranged in the reflection cup and is a lamp wick of the integrated light emitting diode; the lamp wick of the integrated light emitting diode is of a hollow structure; a partitioning board is arranged on an inner cavity of the lamp wick of the integrated light emitting diode; the inner cavity of the lamp wick of the integrated light emitting diode is divided into a high-temperature cooling chamber and a low-temperature cooling chamber by the partitioning board; the high-temperature cooling chamber and the low-temperature cooling chamber are communicated; a radiator is arranged at the back of the reflection cup; one end of the radiator is connected with the high-temperature cooling chamber, and the other end of the radiator is connected with the low-temperature cooling chamber; and the inner cavity of the lamp wick of the integrated light emitting diode and an inner cavity of a hollow radiating part are filled with cooling liquid.
Description
Technical field:
The utility model relates to technical field of lamps, and is especially a kind of with the motor vehicle front illumination tool of superintegrated integrated light-emitting diode as light source, is called for short headlight.
Background technology:
High density high light type light fixture can be used for searchlight, night light of motor vehicle headlamp and street road and bridge etc., at present, when making high density high light type motor vehicle headlamp, many employing filaments or xenon lamp are as the light emitting source of light fixture, these employing filaments or xenon are as the motor vehicle headlamp of light emitting source, intensive with light is good, the characteristics that are conducive to optically focused photograph far away, but its colour rendering index is lower, generally only has 35～50 colour rendering index, and colour temperature is fixed with luminescent material and can not be changed, such as the orange-red light of the low 2000k colour temperature of can only sending of filament material, the xenon material only sending the blue white light that is higher than the 6000k colour temperature etc., moreover, the light fixture of these light sources also exists light efficiency low, the defectives such as the life-span is short, its consumed power is generally between 55～200 watts, general thousands of hours of service life, particularly also there is the harmful substance of certain ingredients in xenon lamp, is unfavorable for energy-conserving and environment-protective.
Patent documentation at utility model patent ZL200620200232.2, many light emitting diodes of a kind of employing are disclosed as light-emitting component, its wick is wherein to have the cooling medium through hole by polylith, its sidewall is provided with serrated edge, and the superimposed formation of cell board of described light emitting diode is housed at tooth top, because described patent wick is to adopt many discrete direct insertion LED dense arrangement to form, clearly its required light-emitting area is very large when reaching equal rated power or equal luminous flux, its volume is the several times of this integration LED lamp core, can't reach should luminous flux large at all, can be flush-mounted in again the interior requirement of housing of the motor vehicle front truck of small volume, simultaneously, this patent scheme adopts discrete direct insertion light emitting diode as light-emitting component, owing to needing to be the feed electrode by two pins of the light emitting diode that dispels the heat, therefore should not adopt the preferably heat sink conception of liquid medium of radiating effect.
Summary of the invention:
The integrated light-emitting diode headlight that the utility model provides; what it mainly solved is that existing motor vehicle headlamp illumination colour rendering index is low; colour temperature is malleable not; light efficiency is low; life-span is short, is unfavorable for the problems such as the not enough and radiating effect of the light emitting diode headlight luminous flux of energy-conserving and environment-protective or prior art is not good enough.
Utility model purpose of the present utility model can realize by following technical scheme: a kind of novel integrated light-emitting diode headlight, include light source, reflector and transparent face mask, transparent face mask covers the outlet of reflector, light source is located in the reflector, light source is the integration LED lamp core, the integration LED lamp core is hollow structure, be provided with demarcation strip in integration LED lamp in-core chamber, demarcation strip is separated into High-temperature cooling chamber and sub-cooled chamber to integration LED lamp in-core chamber, High-temperature cooling chamber and sub-cooled chamber communicate, behind at reflector is provided with radiator, one end of radiator is connected with the High-temperature cooling chamber, the other end is connected with the sub-cooled chamber, and integration LED lamp in-core chamber and hollow radiating part inner chamber all are filled with cooling fluid.
High-temperature cooling chamber and sub-cooled chamber are communicated with in the end of integration LED lamp core.
The inside end of demarcation strip is provided with the deflector towards light emitting diode.
Radiator is made of two-layer wall body, reflector is as the ground floor wall body, be provided with second layer wall body at the rear of reflector, between two-layer wall body, form lumen of radiator, between an end of lumen of radiator and High-temperature cooling chamber, be connected with effuser, be provided with return duct between the other end of lumen of radiator and the sub-cooled chamber.
Both be provided with distance light LED light lamp group on the integration LED lamp core, be provided with again dipped beam LED light lamp group.
Be provided with distance light LED light lamp group in the side of integration LED lamp core, upper aspect is provided with dipped beam LED light lamp group.
Distance light LED light lamp group is on that reflective surface at driver's flare reflecting angle when being positioned at reflector and deviating from meeting.
Compared with prior art, the utlity model has following beneficial effect:
1. owing to adopting integrated light-emitting diode to make light source, because the peculiar high color rendering index (CRI) of light emitting diode, therefore the colour rendering index of this light fixture doubles many than the colour rendering index of the light sources such as filament or xenon lamp.
2. the photochromic temperature of light emitting diode can by the ratio of prescription fluorescence pulvis, be made into the light source of any colour temperature, and conventional light source can not be prepared.
3. owing to adopting the integration LED lamp core as light source, and the optical density of integration LED lamp core is high, therefore during as the illumination of motor vehicle front car light, its optically focused performance is good, technical solutions of the utility model have realized the target of the long distance illumination of single surface light source, and effectively avoid the flare reflecting angle, improve travel safety.
4. more energy-conservation than conventional light source (such as filament, xenon lamp), more environmental protection, longer service life is of a specified duration.
5. the liquid radiating scheme of integration LED lamp in-core realizes the free circulation cooling of directional heat convection current, need not to arrange power source, solved the heat dissipation problem of highly dense light emitting diode fully, improve radiating effect, light emitting diode is worked under ideal temperature environment, improve the reliability of product.
Description of drawings:
Fig. 1 is the structure chart of the LED light lamp group of the utility model integrated light-emitting diode headlight;
Fig. 2 is the three-dimensional structure diagram of the integration LED lamp core of the utility model integrated light-emitting diode headlight;
Fig. 3 is the structure chart of the integration LED lamp core cooling fluid gateway of the utility model integrated light-emitting diode headlight;
Fig. 4 is the integration LED lamp in-core chamber coolant flow figure of the utility model integrated light-emitting diode headlight;
Fig. 5 is the sectional structure chart of the utility model integrated light-emitting diode headlight;
Fig. 6 is the index path of the utility model integrated light-emitting diode headlight when far shining;
Index path when Fig. 7 is the utility model integrated light-emitting diode headlight recent photograph.
The specific embodiment:
Below in conjunction with accompanying drawing present technique is described further.
This novel integrated light-emitting diode headlight includes light source, reflector 1 and transparent face mask 2, transparent face mask 2 covers the outlet of reflector 1, light source is located in the reflector 1, light source is integration LED lamp core 3, integration LED lamp core 3 is hollow structure, be provided with demarcation strip 4 at integration LED lamp core 3 inner chambers, demarcation strip 4 is separated into High-temperature cooling chamber 5 and sub-cooled chamber 6 to integration LED lamp core 3 inner chambers, High-temperature cooling chamber 5 and sub-cooled chamber 6 are communicated with in the end of integration LED lamp core 3, the inside end of demarcation strip 4 is provided with the deflector 7 towards the bending of light emitting diode direction, be provided with radiator 8 in the behind of reflector 1, radiator 8 is made of two-layer wall body, reflector 1 is as the ground floor wall body, be provided with second layer wall body 9 at the rear of reflector 1, form the lumen of radiator 81 for coolant flow between reflector 1 and the second layer wall body 9, between an end of lumen of radiator 81 and High-temperature cooling chamber 5, be connected with effuser 10, be provided with return duct 11 between the other end of lumen of radiator 81 and the sub-cooled chamber 6, integration LED lamp core 3 inner chambers, effuser 10, return duct 11 and lumen of radiator 81 all are filled with cooling fluid.Whole integrated light-emitting diode headlight forms the loopback circulatory flow of 6-High-temperature cooling chamber, 5-effuser, 10-lumen of radiator, 81-return duct, 11-sub-cooled chamber, High-temperature cooling chamber 5, be provided with distance light LED light lamp group 31 in the side of integration LED lamp core 3, upper aspect is provided with dipped beam LED light lamp group 32.
Adopt the high any colour temperature integration LED lamp group of unit are luminous flux, described integration LED lamp group has the colour rendering index that is higher than more than 80,10～50 watts of rated power, its structure as shown in Figure 1, every group of lamp group is made of heat-conducting substrate 34, integrated light-emitting diode light-emitting area 35 and electrode 36, integrated light-emitting diode light-emitting area 35 is laid on heat dispersion substrate 34 surfaces, and extraction electrode 36; LED light lamp group 31 with Fig. 1,32 are flush-mounted in the square stainless steel lamp core support 33, thereby obtain integration LED lamp core 3, wick supporting rack 33 terminal left surfaces and upper aspect respectively have a square window that is slightly less than corresponding integration LED lamp group heat-conducting substrate 34, can one 20～50 watts distance light LED light lamp groups 31 of making irradiation far away of setting-in at left surface the window's position, the heat-conducting substrate 34 at these distance light LED light lamp group 31 back sides just is close to the edge of this window, close non-leakage, and large tracts of land is exposed to the distance light LED light lamp group heat-conducting substrate 34 in this window, be conducive to directly heat-conducting substrate 34 be dispelled the heat from the cooling fluid that integration LED lamp core sub-cooled chamber 6 arrival end A flow into, improve the radiating effect of integrated light-emitting diode; Adopt same approach, face-port mouth position can one 10～30 watts dipped beam LED light lamp groups 32 of making recent photograph light of setting-in above described wick supporting rack 33 ends, the heat-conducting substrate 34 at these dipped beam LED light lamp group 32 back sides just is being adjacent to the edge of this window, close non-leakage, and large tracts of land is exposed to the dipped beam LED light lamp group heat-conducting substrate 34 in this window, then by flowing into cooling fluid in the integration LED lamp core 3 with integration LED lamp core sub-cooled chamber 6 arrival end A to its direct heat radiation, the cooling fluid that expands in sub-cooled chamber 6 and the 5 interior heat absorptions of High-temperature cooling chamber of integration LED lamp core 3 then flows out (such as Fig. 2 through the less High-temperature cooling chamber 5 inner outlet end B of resistance, shown in Figure 4), its operation principle and process analysis procedure analysis are as follows:
See from the integration LED lamp core arrival end A flow passage structure of Fig. 3: owing to be provided with on described integration LED lamp core arrival end A runner right side an end towards the left surface window tilt (namely towards the bending of light emitting diode direction) form in narrow outer wide " funnel " shape deflector 7, the cooling fluid orientation that the effect of this deflector 7 can flow into from arrival end A on the one hand is the LED light lamp group 31 that is flush-mounted in this window post, 32 carry out high efficiency and heat radiation, can make again on the other hand enter into integration LED lamp core 3 interior cooling chambers the cooling liquid of expanded by heating reduce to reflux, and impel and flowed out along High-temperature cooling chamber outlet end B broad and that resistance is less by liquid cooled heat; Thereby realize the purpose (such as Fig. 3, shown in Figure 4) of the free circulation cooling of thermal convection current.The cooling fluid of carrying heat that flows out from port of export B enters effuser 10, and then enter lumen of radiator 81, as shown in Figure 5, by the cooling fluid of lumen of radiator 81 interior high temperature with the heat transferred metal wall, by light fixture reflector 1 and second layer wall body 9(metal wall behind thereof) large tracts of land distribute heat in the air, transport purpose with distribute heat thereby be reached for LED light lamp group 31,32 in the integration LED lamp core 3.According to the liquid fluid theory of mechanics, enter as shown in Figure 4 High-temperature cooling chamber 5 and the liquid in the sub-cooled chamber 6, because the effect of heating when being subject to 3 work of integration LED lamp core, the cooling liquid molecule accelerated motion of being heated and produce pressure, because in this integration LED lamp core sub-cooled chamber 6, be provided with the deflector 7 of " funnel " shape, described deflector 7 is more much smaller than demarcation strip 4 and the formed port of export B of integration LED lamp core 3 inwalls area of section with the formed arrival end A of integration LED lamp core 3 inwalls drain cross section, carries out radiating treatment in the lumen of radiator 81 therefore major part is transported to these cooling fluids of carrying heat towards the less port of export B of pressure by liquid cooled heat.Get back to the arrival end A of integration LED lamp core 3 through return duct 11 recirculation through the cooling fluid of cooling, the integration LED lamp group 32,32 that continues as in the integration LED lamp core 3 is dispelled the heat.
The irradiation far away of described integrated light-emitting diode headlight is to adopt one 20～50 watts distance light LED light lamp groups 31, as shown in Figure 6, this distance light LED light lamp group 31 is those reflective surfaces at driver's flare reflecting angle when being positioned at this lamp reflector 1 and deviating from meeting, traffic rule according to national regulation, therefore when therefore oncoming vehicle driver can not be subject to the other side's headlight vertical sand shooting to the puzzlement of the reflected glare of driver's eyes, the security of Effective Raise driver drives vehicle.Same principle, when using dipped headlights, be installed on the light that the integration LED lamp core 3 terminal upward dipped beam LED light lamp groups 32 of aspects are sent, by this lamp reflector 1 top reflective surface reflection, its reflection vertically acts on the road surface, therefore the oncoming vehicle driver of along continuous straight runs is not produced reflected glare.
Owing to having adopted such scheme, the utility model compared with prior art has following beneficial effect:
1. owing to adopting integrated light-emitting diode to make light source, because the peculiar high color rendering index (CRI) of light emitting diode, therefore the colour rendering index of this light fixture doubles many than the colour rendering index of the light sources such as filament or xenon lamp.
2. the photochromic temperature of light emitting diode can by the ratio of prescription fluorescence pulvis, be made into the light source of any colour temperature, and conventional light source can not be prepared.
3. owing to adopting the integration LED lamp core as light source, and the optical density of integration LED lamp core is high, therefore during as the illumination of motor vehicle front car light, its optically focused performance is good, technical solutions of the utility model have realized the target of the long distance illumination of single surface light source, and effectively avoid the flare reflecting angle, improve travel safety.
4. more energy-conservation than conventional light source (such as filament, xenon lamp), more environmental protection, longer service life is of a specified duration.
5. the liquid radiating scheme of integration LED lamp in-core realizes the free circulation cooling of directional heat convection current, need not to arrange power source, solved the heat dissipation problem of highly dense light emitting diode fully, improve radiating effect, light emitting diode is worked under ideal temperature environment, improve the reliability of product.
The above only is preferred embodiment of the present utility model, is not the utility model is done any pro forma restriction.Any those of ordinary skill in the art, do not breaking away from the technical solutions of the utility model scope situation, all can utilize method and the technology contents of above-mentioned announcement that technical solutions of the utility model are made many possible changes and modification, or be revised as the equivalent embodiment of equivalent variations.Therefore every content that does not break away from technical solutions of the utility model, the equivalence of doing according to shape, structure and the principle of the utility model changes, and all should be covered by in the protection domain of the present utility model.
Claims (7)
1. novel integrated light-emitting diode headlight, include light source, reflector and transparent face mask, transparent face mask covers the outlet of reflector, light source is located in the reflector, it is characterized in that: light source is the integration LED lamp core, the integration LED lamp core is hollow structure, be provided with demarcation strip in integration LED lamp in-core chamber, demarcation strip is separated into High-temperature cooling chamber and sub-cooled chamber to integration LED lamp in-core chamber, High-temperature cooling chamber and sub-cooled chamber communicate, behind at reflector is provided with radiator, one end of radiator is connected with the High-temperature cooling chamber, the other end is connected with the sub-cooled chamber, and integration LED lamp in-core chamber and hollow radiating part inner chamber all are filled with cooling fluid.
2. a kind of novel integrated light-emitting diode headlight according to claim 1 is characterized in that: High-temperature cooling chamber and sub-cooled chamber are communicated with in the end of integration LED lamp core.
3. a kind of novel integrated light-emitting diode headlight according to claim 1, it is characterized in that: the inside end of demarcation strip is provided with the deflector towards light emitting diode.
4. a kind of novel integrated light-emitting diode headlight according to claim 1, it is characterized in that: radiator is made of two-layer wall body, reflector is as the ground floor wall body, be provided with second layer wall body at the rear of reflector, between two-layer wall body, form lumen of radiator, between an end of lumen of radiator and High-temperature cooling chamber, be connected with effuser, be provided with return duct between the other end of lumen of radiator and the sub-cooled chamber.
5. a kind of novel integrated light-emitting diode headlight according to claim 1 and 2 is characterized in that: both be provided with distance light LED light lamp group on the integration LED lamp core, and be provided with again dipped beam LED light lamp group.
6. a kind of novel integrated light-emitting diode headlight according to claim 5, it is characterized in that: be provided with distance light LED light lamp group in the side of integration LED lamp core, upper aspect is provided with dipped beam LED light lamp group.
7. a kind of novel integrated light-emitting diode headlight according to claim 6 is characterized in that: distance light LED light lamp group is on that reflective surface at driver's flare reflecting angle when being positioned at reflector and deviating from meeting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203421297U CN202691849U (en) | 2012-07-13 | 2012-07-13 | Novel headlamp with integrated light emitting diode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203421297U CN202691849U (en) | 2012-07-13 | 2012-07-13 | Novel headlamp with integrated light emitting diode |
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| Publication Number | Publication Date |
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| CN202691849U true CN202691849U (en) | 2013-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203421297U Expired - Lifetime CN202691849U (en) | 2012-07-13 | 2012-07-13 | Novel headlamp with integrated light emitting diode |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102734731A (en) * | 2012-07-13 | 2012-10-17 | 梁允生 | Novel integrated LED (light-emitting diode) headlight |
| CN106662294A (en) * | 2014-08-21 | 2017-05-10 | 飞利浦照明控股有限公司 | Light emitting device |
| CN112303601A (en) * | 2020-12-23 | 2021-02-02 | 南京大策文化传播有限公司 | Intelligent temperature control alarm device for LED lamp |
-
2012
- 2012-07-13 CN CN2012203421297U patent/CN202691849U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102734731A (en) * | 2012-07-13 | 2012-10-17 | 梁允生 | Novel integrated LED (light-emitting diode) headlight |
| CN106662294A (en) * | 2014-08-21 | 2017-05-10 | 飞利浦照明控股有限公司 | Light emitting device |
| CN112303601A (en) * | 2020-12-23 | 2021-02-02 | 南京大策文化传播有限公司 | Intelligent temperature control alarm device for LED lamp |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Foshan Pan Asia Lighting Co.,Ltd. Assignor: Liang Yunsheng Contract record no.: 2013440000079 Denomination of utility model: Novel integrated LED (light-emitting diode) headlight Granted publication date: 20130123 License type: Exclusive License Record date: 20130314 |
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Assignee: Foshan Pan Asia Lighting Co.,Ltd. Assignor: Liang Yunsheng Contract record no.: 2013440000079 Date of cancellation: 20140512 |
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Effective date of registration: 20160922 Address after: 511400 Guangdong city of Guangzhou province Panyu District Shiji Town Village Shiqi Fang Po Road No. 21 C3 forward Room 101 Patentee after: GUANGZHOU LANGCHEN WEIYE LIGHTING TECHNOLOGY CO.,LTD. Address before: 528234 room 20, No. three, 401 Taoyuan Road, lion Town, Nanhai District, Foshan, Guangdong, Songgang Patentee before: Liang Yunsheng |
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Granted publication date: 20130123 |