CN101368714A - Heat radiating device for LED vehicle lamp - Google Patents

Heat radiating device for LED vehicle lamp Download PDF

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Publication number
CN101368714A
CN101368714A CNA2007101387651A CN200710138765A CN101368714A CN 101368714 A CN101368714 A CN 101368714A CN A2007101387651 A CNA2007101387651 A CN A2007101387651A CN 200710138765 A CN200710138765 A CN 200710138765A CN 101368714 A CN101368714 A CN 101368714A
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China
Prior art keywords
car light
radiating module
led
led car
base
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CNA2007101387651A
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Chinese (zh)
Inventor
林明峰
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TA YIH INDUSTRIAL Co Ltd
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TA YIH INDUSTRIAL Co Ltd
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Priority to CNA2007101387651A priority Critical patent/CN101368714A/en
Publication of CN101368714A publication Critical patent/CN101368714A/en
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  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

The invention provides a radiator for a LED car lamp; the LED car lamp comprises a car lamp group, a heat dissipating module, a plurality of LEDs and a reflection unit; wherein, the heat dissipating module is coated with an insulation circuit to enable the insulation circuit and the heat dissipating module to realize the purpose of heat-electricity separation; the LEDs are electrically connected with the insulation circuit of the heat dissipating module; the body base of the LEDs is provided with a metal heat-conducting plate used for conducting the heat energy generated by the LEDs to the heat dissipating module; the reflection unit is arranged in the car lamp group; based on the heat dissipating module, the cold air or cooling fluid are used as the heat dissipating medium to dissipate the heat energy generated by the LEDs; furthermore, the light output of the LEDs of the LED car lamp is not reduced due to the overheating; the damage of the LED car lamp is prevented; the service life of the LED car lamp is prolonged.

Description

LED car light heat abstractor
Technical field
The present invention relates to a kind of LED car light heat abstractor.
Background technology
The employed illuminator of the employed car light of vehicle mainly can be divided into three kinds of based on halogen bulb, Xe lamp bulb and LED etc. at present.Especially described LED is with existing technology, and it has reached the technical level of high brightness.And described LED still must use many LED that enough brightness just can be provided, and meet the standard of the relevant laws and regulations of Vehicular lamp will be applied on the car light time.Yet described LED sheds with heat energy because of 20%, about 80% the input energy that itself luminous efficiency only accounts for the input energy approximately, so can produce higher heat energy on the power consumption.When many LED are applied on the car light, can produce higher heat energy, and the heat energy that described LED produced is when failing to rely on alternate manner to eliminate, cause described LED to reduce light output, damage even because of overheated.
In view of this, The present invention be directed to the disappearance that is produced when LED is applied on the car light, after long-term time study, there is the generation of this case the beginning.
Summary of the invention
At the deficiencies in the prior art, the objective of the invention is to: a kind of LED car light heat abstractor is provided, rely on the set radiating module of described LED car light, utilize cold air or cooling fluid news media as heat radiation, dispel the heat and can reach the heat energy that LED is produced, and then the LED that makes described LED car light can not reduce light output because of overheated, damages even, and prolongs LED car light service life.
For achieving the above object, the technical solution used in the present invention is:
A kind of LED car light heat abstractor, it is to be installed in vehicle body, and be electrically connected with the LED car light drive circuit of vehicle body inside, it is characterized in that: described LED car light includes: the car light group, described car light group is to include a base and a lamp housing, described lamp housing is the light-permeable body, and is installed in the place ahead of described base; Radiating module, described radiating module are to be connected with the base of described car light group, and described radiating module is to be provided with plural fin; At least one LED, it is to be connected with described radiating module, described LED has a main body base, described main body base is to be provided with a metal conducting strip, in order to thermal energy conduction that described LED produced to described radiating module; Circuit unit, it is provided in a side of between described radiating module and the described LED, and is electrically connected with described LED; Reflector element, it is provided in a side of the base inside of described car light group, making described LED is the bottom that is located at described reflector element relatively, in order to the light that described LED throwed is reflected through described reflector element, and light is reflected away towards described lamp housing.
Preferable, technique scheme can also be added following technical characterictic:
Described radiating module is to be provided with one or more groove, and be provided with the described circuit unit that is electrically connected for described LED in described groove floor, and described reflector element is to be formed with one or more groove, the groove that makes described reflector element is the groove of corresponding described radiating module, makes the groove of described reflector element embed the groove that is positioned described radiating module.
Described radiating module is to be provided with at least one groove, and is provided with a circuit unit that is electrically connected for described LED in described groove floor, and the medial surface of described groove is to electroplate to be processed to form reflector element.
Described circuit unit is an insulator chain, and described insulator chain is to be coated on the described radiating module, makes described insulator chain and described radiating module body form state of insulation.
The base of described car light group is to be provided with perforation, with so that the insulator chain of described radiating module sets firmly towards the car light base, and makes the fin of described radiating module be positioned at the outside of car light base.
The base of described car light group is to be provided with at least one air-guiding aisle and at least one steam vent, the fin of described radiating module is to be installed with at least one thermoelectric cooling chip, described thermoelectric cooling chip is to be electrically connected with one or more radiator fan, described radiator fan is to be installed in described car light base inside, and described radiator fan is with the fin of its air outlet towards described radiating module, in order to rely on described thermoelectric cooling chip to be heated and electric energy is provided, make described radiator fan start.
Be to be provided with perforation on the base of described car light group, use the outside that is positioned at described base for the part fin of described radiating module, and described thermoelectric cooling chip is to be installed on the described fin of described chassis outer side.
Between described thermoelectric cooling chip and the described radiator fan, be to be electrically connected with at least one rectification circuit.
Described radiating module is the base inside that is installed in described car light group, and the plural fin of described radiating module is to be provided with one or more perforation, and the perforation of described fin is to be equipped with one or more heat pipe.
The chassis outer side of described car light group is to be provided with a radiating module, described radiating module is to be provided with plural fin, and described fin is to be provided with the perforation that heating tube wears, the heat pipe other end that the radiating module of the base inside of described car light group is set is to extend in the perforation of radiating module of the chassis outer side be located in described car light group.
The described plural fin of each of described radiating module is to be provided with one or more perforation, and the perforation of described fin is to be equipped with at least one or more than one conduit, and the two ends of described conduit are connected with a refrigerating module.
Described refrigerating module is to include a storage device for the cooling fluid storage, an and pump that is located at described storage device inside, described pump is to be connected with an end of described conduit, and the cooling fluid of storage device is flowed between described conduit and described storage device.
The outside of described storage device is to be installed with at least one radiator fan, in order to described storage device is dispelled the heat.
Be provided with an accommodation space in the described radiating module, described accommodation space is ccontaining for cooling fluid, and described radiating module is connected with one or more conduit, the two ends of described conduit are to be installed in described radiating module simultaneously, make described cooling fluid flow voluntarily between the accommodation space of described conduit and described radiating module.
Described radiating module is provided with an opening, and is installed with a rubber lamellar body at described opening, in order to rely on the elasticity of described rubber lamellar body itself, regulates the interior cooling fluid of accommodation space of described radiating module, because of the pressure variation of rising-heat contracting-cold.
Described conduit is to be equipped with at least one heat conducting inserts.
Described radiating module is provided with an accommodation space in being, described accommodation space is ccontaining for cooling fluid, and described radiating module is connected with the conduit more than two, the other end of described conduit is to be connected with refrigerating module, described refrigerating module is to include a storage device for the cooling fluid storage, an and pump that is located at described storage device inside, described storage device is to be connected with a described conduit wherein, described pump is to be connected with another described conduit, makes the accommodation space of the cooling fluid perfusion of storage device to described radiating module in order to rely on the pump start.
The outside of described storage device is to be installed with at least one radiator fan, in order to described storage device is dispelled the heat.
Described LED car light is to be connected with the air filtration unit of vehicle body, and described air filtration unit is to be connected with the engine of vehicle body, and the base of described LED car light is to be provided with one or more air admission hole, and on described base, be provided with the through hole that connects for described air filtration unit, in order to be formed with pull of vacuum when described engine running, and when drawing via described air filtration unit filtered air simultaneously, the heat energy that makes described LED car light produce relies on described through hole and is taken out of to described air filtration unit.
Described radiating module is at least one radiating module, make the single described LED of the corresponding connection of single described radiating module, described reflector element is at least one reflector element, make described LED be located at its bottom relatively, described circuit unit is at least one substrate and being located between described radiating module and the described LED.
Be to be provided with a thermoelectric cooling chip between described substrate and the described radiating module.
Described substrate is to be connected to form by a circuit board and a heat sink, and described circuit board is to be electrically connected for described LED.
The place ahead of described reflector element is that a lens unit is arranged.
Be to be provided with a movable lightproof unit between described reflector element and the described lens unit, make described LED car light project specific light type.
Be to be provided with one or more perforation on the base of described car light group, use for described radiating module to wear, and the fin of described radiating module be positioned at the outside of described base.
Compared with prior art, the advantage that the present invention of employing technique scheme has is: LED car light heat abstractor of the present invention, be to rely on described radiating module to utilize cold air or cooling fluid as the news media of dispelling the heat, dispel the heat and can reach the heat energy that described LED is produced, and then the LED of described LED car light can not exported because of overheated reduction light, damage even, and prolong LED car light service life.
Description of drawings
Fig. 1 is the combination cross-sectional schematic of LED car light heat abstractor first embodiment of the present invention;
Fig. 2 is that intention is analysed and observe in the combination below the radiating module fin of LED car light heat abstractor first embodiment of the present invention is positioned at;
Fig. 3 is the combination cross-sectional schematic of LED car light heat abstractor second embodiment of the present invention;
Fig. 4 is that the radiating module of LED car light heat abstractor second embodiment of the present invention is provided with the combination cross-sectional schematic that embeds a groove of location for reflector element;
Fig. 5 is the combination cross-sectional schematic of LED car light heat abstractor the 3rd embodiment of the present invention;
Fig. 6 is the radiating module of LED car light heat abstractor the 3rd embodiment of the present invention and the cross-sectional schematic that the LED group is established;
Fig. 7 is the combination cross-sectional schematic of LED car light heat abstractor the 4th embodiment of the present invention;
Fig. 8 is the horizontal cross-sectional schematic of the LED car light of Fig. 7;
Fig. 9 A is the circuit operation schematic diagram of thermoelectric cooling chip, rectification circuit and the radiator fan of LED car light heat abstractor the 4th embodiment of the present invention, and the dotted arrow among the figure is represented current direction;
Fig. 9 B is another circuit operation schematic diagram of thermoelectric cooling chip, rectification circuit and the radiator fan of LED car light heat abstractor the 4th embodiment of the present invention, and the dotted arrow among the figure is represented current direction;
Figure 10 is the combination cross-sectional schematic of LED car light heat abstractor the 5th embodiment of the present invention;
Figure 11 is the combination cross-sectional schematic of LED car light heat abstractor the 6th embodiment of the present invention;
Figure 12 is the combination cross-sectional schematic of LED car light heat abstractor the 7th embodiment of the present invention;
Figure 13 is the radiating module of LED car light heat abstractor the 7th embodiment of the present invention and the three-dimensional appearance schematic diagram that the LED group is established;
Figure 14 is the user mode schematic diagram of LED car light heat abstractor the 7th embodiment of the present invention;
Figure 15 is the combination cross-sectional schematic of LED car light heat abstractor the 8th embodiment of the present invention;
Figure 16 is the combination cross-sectional schematic of LED car light heat abstractor the 9th embodiment of the present invention;
Figure 17 is that the optical module of Figure 16 decomposes cross-sectional schematic;
Figure 18 is the combination cross-sectional schematic that is equipped with a lightproof unit between the lens unit of Figure 16 and the reflector element;
Figure 19 is the user mode combination cross-sectional schematic of LED car light heat abstractor the tenth embodiment of the present invention;
Figure 20 is the horizontal cross-sectional schematic of the LED car light of Figure 18.
Description of reference numerals: 100-LED car light; 110-car light group; 111-base; 1111-trailing flank; 1112-perforation; 1113-bottom surface; 112-lamp housing; 120-radiating module; 121-fin; 122-insulator chain; 130-LED; 131-main body base; 132-metal conducting strip; 140-reflector element; 141-groove; 200-LED car light; 210-radiating module; 211-groove; 212-insulator chain; 213-fin; 214-groove; 300-LED car light; 310-radiating module; 311-groove; 312-insulator chain; 313-fin; 320-reflector element; 400-LED car light; 410-car light group; 411-base; 412-lamp housing; 4111-air-guiding aisle; 4112-steam vent; 4113-trailing flank; 4114-perforation; 420-radiating module; 421-fin; 422-insulator chain; 430-thermoelectric cooling chip; 431-the first output; 432-the second output; 440-rectification circuit; 441-first input end; 442-the second input; 443-the first output; 444-the second output; D1-first rectifier stack; D2-second rectifier stack; D3-the 3rd rectifier stack; D4-the 4th rectifier stack; 450-radiator fan; 500-LED car light; 510-car light group; 511-base; 512-lamp housing; 513-auxiliary heat dissipation module; 5131-fin; 520-radiating module; 521-fin; 522-insulator chain; 530-heat pipe; 600-LED car light; 610-car light group; 611-base; 612-lamp housing; 620-radiating module; 621-groove; 622-insulator chain; 623-fin; 630-reflector element; 640-conduit; 650-refrigerating module; 651-storage device; 652-pump; 653-radiator fan; 700-LED car light; 710-car light base; 711-base; 7111-perforation; 712-lamp housing; 720-radiating module; 721-fin; 722-insulator chain; 723-accommodation space; 724-opening; 725-rubber lamellar body; 730-conduit; 740-metal fever guide card; 800-LED car light; 810-car light base; 820-radiating module; 821-fin; 822-groove; 823-insulator chain; 824-accommodation space; 830-reflector element; 840-conduit; 850-refrigerating module; 851-storage device; 852-pump; 853-radiator fan; 900-LED car light; 910-car light group; 911-base; 9111-perforation; 912-lamp housing; 920-light emitting module; 921-luminescence unit; 9211-LED; 9212-substrate; 9213-main body base; 9214-metal conducting strip; 9215-circuit board; 9216-fin; 9217-through hole; 922-reflector element; 923-lens unit; 9231-lenticular body; 9232-fixed mount; 924-heat-sink unit; 9241-thermoelectric cooling chip; 9242-radiating seat; 9243-fin; 925-lightproof unit; 1000-LED car light; 1100-car light group; 1110-lamp housing; 1120-base; 1121-air admission hole; 1122-through hole; 1123-stationary barrier; 1124-through hole; 1200-radiating module; 1210-fin; 1220-insulator chain; A-air filtration unit; B-engine.
The specific embodiment
About technological means of the present invention, lift the number preferred embodiment now and cooperate and graphicly to be elaborated hereinafter:
At first, seeing also shown in Figure 1ly, is the combination cross-sectional schematic of LED car light heat abstractor first embodiment of the present invention.In this example, described LED car light 100 is to include a car light group 110, a radiating module 120, some LED130, a circuit unit, a reflector element 140, wherein:
Described car light group 110 is to be installed on the vehicle body, and described car light group 110 is to include a base 111 and a lamp housing 112, described lamp housing 112 is light-permeable bodies, and be installed in the place ahead of described base 111, and be provided with perforation 1112 at the trailing flank 1111 of described base 111, use for radiating module 120 to wear;
Described radiating module 120 is with metal material, the material of pottery or other high thermal conductivity coefficient is made, described radiating module 120 is to be provided with the plural fin 121 that is horizontal (fin 121 of described radiating module 120 is can be because of car light group space, vehicle body space is different with the car light appearance and modeling, can do the design of different fin moulding), and be formed with the circuit unit that is electrically connected for LED130 away from the side coating (coating) of fin 121 at described radiating module 120, described circuit unit is an insulator chain 122, and described insulator chain 122 is formed with some through holes, and described insulator chain 122 is to form thermoelectricity with described radiating module 120 bodies to separate, make described insulator chain 122 can not form conductive path with described radiating module 120 bodies, and described insulator chain 122 can not influence the conduction of described LED130 and 120 heat energy of described radiating module, and the side that described radiating module 120 is provided with insulator chain 122 is the perforation 1112 towards the base 111 of described car light group 110, and be connected with described car light group 110, the insulator chain 122 that makes described radiating module 120 is the inside that is positioned at described car light group 110, and the fin 121 of described radiating module 120 is the outsides that are positioned at described car light group 110 simultaneously;
Described LED130 is electrically connected with the insulator chain 122 of described radiating module 120, in order to light source as car light, and described LED130 has a main body base 131, and described main body base 131 is provided with a metal conducting strip 132, with so that described LED130 when being electrically connected the insulator chain 122 of described radiating module 120, and wear the through hole of described insulator chain 122 with the metal conducting strip 132 of described LED130, make described metal conducting strip 132 and described radiating module 120 form contact conditions, and with thermal energy conduction that described LED130 produced to described radiating module 120;
Described reflector element 140 is to be formed with some grooves 141, with so that described groove 141 is corresponding with the described LED130 that is electrically connected described insulator chain 122, make that described LED130 is groove 141 bottoms that are positioned at described reflector element 140 relatively, with so that the light that described LED130 throwed through 140 reflections of described reflector element, and light is reflected away towards described lamp housing 112, the position that makes described light project is desired brightness of relevant laws and regulations and the light shape that meets the control car light.
When group is established, being about to described some LED130 earlier is electrically connected the insulator chain 122 of described radiating module 120 respectively, make the metal conducting strip 132 of described LED130 wear the through hole of described insulator chain 122, make described metal conducting strip 132 and described radiating module 120 form contact condition, and be provided with of the perforation 1112 of the side of described insulator chain 122 towards described base 111 with described radiating module 120, described radiating module 120 is connected with described base 111, and the fin 121 that makes described radiating module 120 is positioned at the outside of described car light formula seat 110, and described insulator chain 122 is to be electrically connected with the LED car light drive circuit (graphic demonstration) of vehicle body, again with the corresponding setting of groove 141 of described reflector element 140 with described LED130, make described LED130 be positioned at groove 141 bottoms of described reflector element 140 relatively, and described reflector element 140 is connected with described radiating module 120, make that described LED130 is groove 141 bottoms that are positioned at described reflector element 140 relatively, at last described lamp housing 112 is installed in the place ahead of described base 111, promptly finishes the group of LED car light 100 and establish.Simultaneously described LED car light 100 is installed in vehicle body.
When using, described LED130 produces light because of energising, and described light reflects away described light via reflector element 140 reflections towards described lamp housing 112, the position that makes described light project is desired brightness of relevant laws and regulations and the light shape that meets the control car light.Simultaneously, described LED130 also can produce heat energy.The heat energy of described LED130 promptly relies on the metal conducting strip 132 of described LED130 to conduct to described radiating module 120, and described radiating module 120 can be with thermal energy conduction to the described fin 121 that is positioned at described car light group 110 outsides, rely on contacting of described fin 121 and cold air, heat energy is absorbed by cold air, and reach the effect that described radiating module 120 is dispelled the heat.
The plural fin 121 that the described radiating module 120 of aforementioned first embodiment is set, it is the below that can be positioned at described radiating module 120 bodies, and described car light group 110 is to be provided with perforation in its bottom surface 1113, use fin 121 to wear for described radiating module 120, making described fin 121 is the outsides that are positioned at described car light group 110, as shown in Figure 2, reach identical radiating effect as aforementioned first embodiment.
The following stated is the second embodiment of the present invention, and described second embodiment has same section with aforementioned first embodiment, the assembly numbering that remarks is identical, and short ofly mention especially, then being used as is to have equal structure and function.
Continuous seeing also shown in Figure 3ly, is that schematic diagram is looked in the combination section of LED car light heat abstractor second embodiment of the present invention.In this example, the LED car light 200 of described second embodiment is to include a car light group 110, one radiating module 210, some LED130, one circuit unit, one reflector element 140, wherein main difference is that described radiating module 210 is to be provided with some grooves 211, and be formed with a circuit unit that is electrically connected for described LED130 in described groove 211 bottom surface coatings, described circuit unit is an insulator chain 212, and be formed with a through hole at described insulator chain 212, and described radiating module 210 is to be provided with plural fin 213, described reflector element 140 is to be formed with some grooves 141, the groove 141 that makes described reflector element 140 is grooves 211 of corresponding described radiating module 210, makes groove 141 embeddings of described reflector element 140 be positioned in the groove 211 of described radiating module 210.
When group is established, being about to described some LED130 earlier is electrically connected the insulator chain 212 of described radiating module 210 respectively, make the metal conducting strip 132 of described LED130 wear the through hole of described insulator chain 212, make described metal conducting strip 132 and described radiating module 210 form contact condition, and be provided with of the perforation 1112 of the side of described insulator chain 212 with described radiating module 210 towards described base 111 trailing flanks 1111, described radiating module 210 is connected with described car light group 110, and the fin 213 that makes described radiating module 210 is positioned at the outside of described car light group 110, and described insulator chain 212 is to be electrically connected with the LED car light drive circuit (graphic demonstration) of vehicle body, corresponding with the groove 141 of described reflector element 140 again with described LED130, described reflector element 140 is connected with described radiating module 210, make that described LED130 is groove 141 bottoms that are positioned at described reflector element 140 relatively, at last described lamp housing 112 is installed in the place ahead of described car light group 110, promptly finishes the group of LED car light 200 and establish.Simultaneously described LED car light 200 is installed in vehicle body.
When using, described LED130 produces light because of energising, and described light reflects away described light via reflector element 140 reflections towards described lamp housing 112, the position that makes described light project is desired brightness of relevant laws and regulations and the light shape that meets the control car light.Simultaneously, described LED130 also can produce heat energy.The heat energy of described LED130 promptly relies on the metal conducting strip 132 of described LED130 to conduct to described radiating module 210, and described radiating module 210 can be with thermal energy conduction to the described fin 213 that is positioned at described car light group 110 outsides, rely on contacting of described fin 213 and cold air, heat energy is absorbed by cold air, and reach the effect that described radiating module 210 is dispelled the heat.
The described radiating module 210 of aforementioned second embodiment also is to be provided with a groove 214, use for described reflector element 140 and embed the location, and be formed with the insulator chain 212 that is electrically connected for some described LED130 in described groove 214 bottom surface coatings, described insulator chain 212 is formed with some through holes simultaneously, use metal conducting strip 132 to wear for described LED130, make described metal conducting strip 132 and described radiating module 210 form contact condition, and described radiating module 210 is to be provided with plural fin 213, described reflector element 140 is to be formed with some grooves 141, with so that described groove 141 is corresponding with the described LED130 that is electrically connected described insulator chain 212, make that described LED130 is groove 141 bottoms that are positioned at described reflector element 140 relatively, and described reflector element 140 is connected with described radiating module 210, as shown in Figure 4, reach identical radiating effect as aforementioned second embodiment.
The following stated is the third embodiment of the present invention, and described the 3rd embodiment has same section with aforementioned first embodiment, the assembly numbering that remarks is identical, and short ofly mention especially, then being used as is to have equal structure and function.
Continuous seeing also Fig. 5, shown in Figure 6, be that the combination of LED car light heat abstractor the 3rd embodiment of the present invention is analysed and observe, and radiating module is organized the cross-sectional schematic of establishing with LED.In this example, the LED car light 300 of described the 3rd embodiment is to comprise a car light group 110, one radiating module 310, some LED130, one circuit unit, some reflector elements 320, wherein main difference is that described radiating module 310 is to be provided with some grooves 311, and be formed with the circuit unit that is electrically connected for described LED130 in described groove 311 bottom surface coatings, described circuit unit is an insulator chain 312, described insulator chain 312 is formed with a through hole simultaneously, and described radiating module 310 is to be provided with plural fin 313, described reflector element 320 is to electroplate groove 311 medial surfaces that processing mode is molded over described radiating module 310, the light that described LED130 is throwed reflects through described reflector element 320, and light is reflected away towards described lamp housing 112, the position that makes described light project is desired brightness of relevant laws and regulations and the light shape that meets the control car light.
When group is established, being about to described some LED130 earlier is electrically connected the insulator chain 312 of described radiating module 310 respectively, make the metal conducting strip 132 of described LED130 wear the through hole of described insulator chain 312, make described metal conducting strip 132 and described radiating module 310 form contact condition, and be provided with of the perforation 1112 of the side of described insulator chain 312 towards described base 111 with described radiating module 310, described radiating module 310 is connected with the base 111 of described car light group 110, and the fin 313 that makes described radiating module 310 is positioned at the outside of described car light group 110, and described insulator chain 312 is to be electrically connected with the LED car light drive circuit (graphic demonstration) of vehicle body, at last described lamp housing 112 is installed in the place ahead of described base 111, promptly finishes the group of LED car light 300 and establish.Simultaneously described LED car light 300 is installed on the vehicle body.
When using, described LED130 produces light because of energising, described light is via reflector element 320 reflections of the groove 311 that is molded over described radiating module 310, described light is reflected away towards described lamp housing 112, the position that makes described light project is desired brightness of relevant laws and regulations and the light shape that meets the control car light.Simultaneously, described LED130 also can produce heat energy.The heat energy of described LED130 promptly relies on the metal conducting strip 132 of described LED130 to conduct to described radiating module 310, and described radiating module 310 can be with thermal energy conduction to the described fin 313 that is positioned at described car light group 110 outsides, rely on contacting of described fin 313 and cold air, heat energy is absorbed by cold air, and reach the effect that described radiating module 310 is dispelled the heat.
The following stated is the fourth embodiment of the present invention, and described the 4th embodiment has same section with aforementioned first embodiment, the assembly numbering that remarks is identical, and short ofly mention especially, then being used as is to have equal structure and function.
Continuous seeing also Fig. 7, shown in Figure 8, is that the combination of LED car light heat abstractor the 4th embodiment of the present invention is analysed and observe, and the horizontal cross-sectional schematic of LED car light.In this example, the LED car light 400 of described the 4th embodiment is to comprise a car light group 410, one radiating module 420, some LED130, one circuit unit, one reflector element 140, some thermoelectric cooling chips (Thermoelectric Cooling Module) 430 (the shown thermoelectric cooling chip 430 of this illustration formula is only to show three), at least one rectification circuit 440, and at least one radiator fan 450 (the shown radiator fan 450 of this illustration formula is only to show), wherein main difference is that described car light group 410 is to include a base 411 and a lamp housing 412, and be provided with at least one air-guiding aisle 4111 in described base 411 bottom surfaces, and the end face at described base 411 is provided with at least one steam vent 4112 (described steam vent 4112 also can be located at the trailing flank 4113 of base 411) simultaneously, and the trailing flank 4113 of described base 411 is provided with the perforation 4114 that can supply described radiating module 420 to wear; Described radiating module 420 is provided with and is the plural fin 421 that vertical type is arranged, and be formed with the circuit unit that is electrically connected for LED130 away from the side coating of fin 421 at described radiating module 420, described circuit unit is that (described radiating module 420 also can be as the radiating module 210 of aforementioned second embodiment for insulator chain 422, be provided with one or more groove, use for reflector element and embed, or as the radiating module 310 of aforementioned the 3rd embodiment, described groove medial surface shape reflector element is arranged, and be coated with insulator chain) in described groove floor, described insulator chain 422 is formed with some through holes simultaneously, and described radiating module 420 is provided in a side of described base 411 inside, and fin 421 parts of described radiating module 420 are exposed in described car light group 410 outsides; Described thermoelectric cooling chip 430 be have can with the object side surfaces contacted, and the characteristic of described thermoelectric cooling chip 430 is, when described thermoelectric cooling chip 430 is when being electrically connected with electric energy, a wherein side of described thermoelectric cooling chip 430 promptly produces certain high temperature, can be described as the hot junction, the another side produces certain low temperature simultaneously, can be described as cold junction; Otherwise, if directly the hot junction of described thermoelectric cooling chip 430 is heated, or the cold junction of described thermoelectric cooling chip cooled off, make the hot junction of thermoelectric cooling chip 430 and cold junction be formed with the temperature difference, promptly can make described thermoelectric cooling chip 430 produce electric energy.In this example, described thermoelectric cooling chip 430 is to set firmly on the described fin 421 that is fitted in base 411 outsides of exposing described car light group 410 with its hot junction; Described rectification circuit 440 is to be electrically connected with described thermoelectric cooling chip 430, and described rectification circuit 440 is bridge rectifier; Described radiator fan 450 is to be electrically connected with described rectification circuit 440, and described radiator fan 430 is to be installed in described car light group 410 inside, and be positioned fin 421 belows of described radiating module 420, and with the air outlet of described radiator fan 450 towards the part fin 411 that is positioned at car light group 410 inside.
When group is established, being about to described some LED130 earlier is electrically connected the insulator chain 422 of described radiating module 420 respectively, the metal conducting strip 132 of described LED130 is located in the through hole of described insulator chain 422, make described metal conducting strip 132 and described radiating module 420 form contact condition, and be installed in described car light group 410 inside with described radiating module 420, described insulator chain 422 is to be electrically connected with the LED car light drive circuit (graphic demonstration) of vehicle body, and the fin 421 of described radiating module 420 is worn in the perforation 4114 of described base 411, make described fin 421 parts expose the outside in described car light group 410, fitted in the hot junction of described thermoelectric cooling chip 430 then and be installed in the described fin 411 that exposes described car light group 410 outsides, simultaneously described thermoelectric cooling chip 430 is electrically connected (inside that described rectification circuit 440 also can be positioned at base 411) with the described rectification circuit 440 of base 411 outsides that are positioned at described car light group 410, and described rectification circuit 440 is to be electrically connected with the described radiator fan 450 that is installed in described car light group 410 inside, again that the groove 141 of described reflector element 140 is corresponding with described LED130, described reflector element 140 is connected with described radiating module 420, make that described LED130 is groove 141 bottoms that are positioned at described reflector element 140 relatively, at last described lamp housing 412 is installed in the place ahead of described car light group 410, promptly finishes the group of LED car light 400 and establish.Simultaneously described LED car light 400 is installed in vehicle body.
When using, described LED130 produces light because of energising, and described light reflects via described reflector element 140, and light is reflected away towards described lamp housing 412, the position that makes described light project is desired brightness of relevant laws and regulations and the light shape that meets the control car light.Simultaneously, described LED130 also can produce heat energy.The heat energy of described LED130 promptly relies on the metal conducting strip 132 of described LED130 to conduct to described radiating module 420, and the hot junction of described thermoelectric cooling chip 430 is because of being subjected to the heat energy that described radiating module 420 is transmitted, and absorb the partial heat energy of described fin 421 simultaneously, cause the temperature of described fin 421 to reduce, and the hot junction of described thermoelectric cooling chip 430 has absorbed heat energy simultaneously, cause the hot junction and the cold junction of described thermoelectric cooling chip 430 to form the temperature difference and produce electric energy, making first output 431 of described thermoelectric cooling chip 430 is positive potentials, and be electrically connected with the first input end 441 of described rectification circuit 440, second output 432 of described thermoelectric cooling chip 430 is negative potentials simultaneously, and be electrically connected (shown in Fig. 9 A with second input 442 of described rectification circuit 440, and described rectification circuit 440 is bridge rectifiers, and dotted arrow is represented current direction among the figure), make the first rectifier stack D1 and the 3rd rectifier stack D3 in the described rectification circuit 440 be conducting state, the second rectifier stack D2 and the 4th rectifier stack D4 are cut-off state simultaneously, so that first output 443 of described rectification circuit 440 is positive potentials, and described second output 444 is negative potentials, and be electrically connected with radiator fan 450, and make its running, and cold air can rely on the air-guiding aisle 4111 of described base 411 to enter to described car light group 410 inside, and the air outlet of described radiator fan 450 is towards described fin 421, make cold air absorb the heat energy of described fin 421, and will be absorbed with of steam vent 4112 discharges of the air of heat energy towards described base 411.If the temperature when described thermoelectric cooling chip 430 present positions (as engine chamber) is when being higher than the surface temperature of described radiating module 420, the side that then described thermoelectric cooling chip 430 contacts with the fin 421 of described radiating module 420 then is cold junction, the another side of described thermoelectric cooling chip 430 then is the hot junction, and make the hot junction of described thermoelectric cooling chip 430 and cold junction be formed with the temperature difference, and produce electric energy.At this moment, first output 431 of described thermoelectric cooling chip 430 is negative potentials, and be electrically connected with the first input end 441 of described rectification circuit 440, second output 432 of described thermoelectric cooling chip 430 is positive potentials simultaneously, and be electrically connected (shown in Fig. 9 B with second input 442 of described rectification circuit 440, and described rectification circuit 440 is bridge rectifiers, and dotted arrow is represented current direction among the figure), make the second rectifier stack D2 and the 4th rectifier stack D4 in the described rectification circuit 440 be conducting state, the first rectifier stack D1 and the 3rd rectifier stack D3 are cut-off state simultaneously, so that first output 443 of described rectification circuit 440 also is maintained positive potential, and described second output 444 also is maintained negative potential, and be electrically connected with radiator fan 450, and make its running, and cold air can rely on the air-guiding aisle 4111 of described base 411 to enter to described car light group 410 inside, and the air outlet of described radiator fan 450 is towards described fin 421, make cold air absorb the heat energy of described fin 421, and will be absorbed with of steam vent 4112 discharges of the air of heat energy towards described base 411.
When the temperature difference in the cold junction of aforementioned described thermoelectric cooling chip 430 and hot junction is big more, then the electric energy of Chan Shenging is bigger, and then makes the rotating speed of described radiator fan 450 faster; Otherwise, the temperature difference of described thermoelectric cooling chip 430 cold and hot ends is more little, and then the electric energy of Chan Shenging is littler, and then makes the rotating speed of described radiator fan 450 slower, cause the effect that reaches described car light group 410 inner cool cycles, and keep described radiating module 420 and be in the equilibrium temperature state.
The following stated is the fifth embodiment of the present invention, and described the 5th embodiment has same section with aforementioned first embodiment, the assembly numbering that remarks is identical, and short ofly mention especially, then being used as is to have equal structure and function.
Continuous seeing also shown in Figure 10ly, is the combination cross-sectional schematic of LED car light heat abstractor the 5th embodiment of the present invention.In this example, the LED car light 500 of described the 5th embodiment is to comprise a car light group 510, one radiating module 520, some LED130, one circuit unit, one reflector element 140 and at least one heat pipe (HeatPipe) 530 (the shown heat pipe 530 of this illustration formula is only to show one), wherein main difference is that described car light group 510 is to include a base 511 and a lamp housing 512, the outside of described base 511 is to be installed with an auxiliary heat dissipation module 513, described auxiliary heat dissipation module 513 is to be provided with plural fin 5131, and described fin 5131 is to be provided with the one or more perforation that heating tube 530 wears, and described car light group 510 is provided with the perforation that wears for described heat pipe 530 at appropriate location, described radiating module 520 is to be installed in described base 511 inside, and described radiating module 520 is to be provided with plural fin 521, and each described fin 521 is to be provided with the one or more perforation that wears for described heat pipe 530, and be formed with the circuit unit that is electrically connected for LED130 away from the side coating of fin 521 at described radiating module 520, described circuit unit is that (described radiating module 520 also can be as the radiating module 210 of aforementioned second embodiment for insulator chain 522, be provided with one or more groove, use for reflector element and embed, or as the radiating module 310 of aforementioned the 3rd embodiment, described groove medial surface shape reflector element is arranged, and be coated with insulator chain) in described groove floor, described insulator chain 522 is formed with some through holes simultaneously, described heat pipe 530 is that correspondence is located in fin 521 perforation of described radiating module 520, and extend the corresponding perforation that wears described base 511, make described heat pipe 530 be located in fin 5131 perforation of the auxiliary heat dissipation module 513 in described base 511 outsides.
When group is established, being about to described some LED130 earlier is electrically connected the insulator chain 522 of described radiating module 520 respectively, make the metal conducting strip 132 of described LED130 wear the through hole of described insulator chain 522, make described metal conducting strip 132 and described radiating module 520 form contact condition, inferior fin 521 perforation that described heat pipe 530 correspondences are located in described radiating module 520, simultaneously described radiating module 520 is installed in described car light group 510 inside, and described insulator chain 522 is to be electrically connected with the LED car light drive circuit (graphic demonstration) of vehicle body, the other end with described heat pipe 530 is the perforation that correspondence wears described car light group 510 again, and make described heat pipe 530 extend fin 5131 perforation of the auxiliary heat dissipation module 513 that is located in described car light group 510 outsides, again that the groove 141 of described reflector element 140 is corresponding with described LED130, described reflector element 140 is connected with described radiating module 520, make that described LED130 is groove 141 bottoms that are positioned at described reflector element 140 relatively, at last described lamp housing 512 is installed in the place ahead of described car light group 510, promptly finishes the group of LED car light 500 and establish.Simultaneously described LED car light 500 is installed in vehicle body.
When using, described LED130 produces light because of energising, and described light reflects via described reflector element 140, and light is reflected away towards described lamp housing 512, the position that makes described light project is desired brightness of relevant laws and regulations and the light shape that meets the control car light.Simultaneously, described LED130 also can produce heat energy.The heat energy of described LED130 promptly relies on the metal conducting strip 132 of described LED130 to conduct to described radiating module 520, and the part heat pipe 530 that is located at described radiating module 520 fins 521 is to belong to the hot-zone, and described heat pipe 530 to be installed in auxiliary heat dissipation module 513 fins 5131 of described car light group 510 be to belong to the cooling zone, after described heat pipe 530 absorbs the heat energy of described radiating module 520, the fluid of described heat pipe 530 inside promptly gasifies because of its surface temperature raises, be condensed into liquid state again and in heat pipe, flow to the cooling zone by the hot-zone, and discharge the latent heat of vaporization simultaneously, can reach the effect of dispelling the heat with 530 pairs of described radiating modules 520 of described heat pipe.
The following stated is the sixth embodiment of the present invention, and described the 6th embodiment has same section with aforementioned first embodiment, the assembly numbering that remarks is identical, and short ofly mention especially, then being used as is to have equal structure and function.
Continuous seeing also shown in Figure 11ly, is the combination cross-sectional schematic of LED car light heat abstractor the 6th embodiment of the present invention.The LED car light 600 of described the 6th embodiment is to comprise a car light group 610, a radiating module 620, some LED130, a circuit unit, some reflector elements 630, at least one conduit 640 and a refrigerating module 650, wherein main difference is that described car light group 610 is to include a base 611 and a lamp housing 612, described base 611 is for described radiating module 620 ccontaining setting firmly, and be provided with one or more perforation in the bottom surface of described base 611, use for described conduit 640 to wear; Described radiating module 620 is to be provided with one or more groove 621, and be formed with the circuit unit that is electrically connected for described LED130 in described groove 621 bottom surface coatings, described circuit unit is an insulator chain 622, described insulator chain 622 of while is formed with a through hole, and (described radiating module 620 also can be as the radiating module 120 of aforementioned first embodiment, be that appropriate location coating at described radiating module 620 is formed with insulator chain 622, and at the some through holes of described insulator chain 622 formation), and described radiating module 310 is to be provided with plural fin 623, and each described fin 623 is to be provided with perforation; Described reflector element 630 is to electroplate groove 621 medial surfaces that processing mode is molded over described radiating module 620, the light that described LED130 is throwed reflects through described reflector element 630, and light is reflected away towards described lamp housing 612, the position that makes described light project, be to meet the desired brightness of relevant laws and regulations of control car light and light shape (described reflector element 630 also can be provided with some grooves 141 as aforementioned first reflector element of implementing 140, and make described LED130 be positioned at the bottom surface of described groove 141 relatively, or embed the groove 621 of described radiating module 620 as the reflector element 140 of aforementioned second embodiment); Described conduit 640 is to be located in the perforation of fin 623 of described radiating module 620 with one-in-and-one-out mode correspondence, and with described refrigerating module 650 for being connected; Described refrigerating module 650 is to include a storage device 651 for the cooling fluid storage, an and pump 652 that is located at described storage device 651 inside, the outside of described storage device 651 is to be installed with a radiator fan 653, described pump 652 is to be connected with an end of described conduit 640, and the cooling fluid of storage device 651 is flowed at described conduit 640 and 651 of described storage devices.
When group is established, being about to described some LED130 earlier is electrically connected the insulator chain 622 of described radiating module 620 grooves 621 respectively, make the metal conducting strip 132 of described LED130 wear the through hole of described insulator chain 622, make described metal conducting strip 132 and described radiating module 620 form contact condition, again described conduit 640 correspondences are located in fin 623 perforation of described radiating module 620, inferior described radiating module 620 is installed in described car light group 610 inside, and described insulator chain 622 is to be electrically connected with the LED car light drive circuit (graphic demonstration) of vehicle body, and the corresponding simultaneously perforation that wears described base 611 in the two ends that make described conduit 640, two ends with described conduit 640 are connected to storage device 651 and pump 652 again, at last described lamp housing 612 is installed in the place ahead of described base 611, promptly finishes the group of LED car light 600 and establish.Simultaneously described LED car light 600 is installed in vehicle body.
When using, described LED130 produces light because of energising, described light is via reflector element 630 reflections of the groove 621 that is molded over described radiating module 620, described light is reflected away towards described lamp housing 612, the position that makes described light project is desired brightness of relevant laws and regulations and the light shape that meets the control car light.Simultaneously, described LED130 also can produce heat energy.The heat energy of described LED130 promptly relies on the conducting strip 132 of described LED130 to conduct to described radiating module 620, and relies on described pump 652 starts, and the cooling fluid that is stored in described storage device 651 is flowed in described conduit 640.When cooling fluid in the conduit 640 is flowed through the fin 623 of described radiating module 620, described cooling fluid promptly absorbs the heat energy of described fin 623, and the described cooling fluid that is absorbed with heat energy simultaneously promptly is back to described storage device 651, and the radiator fan 653 in described storage device 651 outsides is promptly to the heat radiation of drying of described storage device 651, can reach the circulate effect of cooling heat dissipation of described radiating module 620.
The following stated is the seventh embodiment of the present invention, and described the 7th embodiment has same section with aforementioned first embodiment, the assembly numbering that remarks is identical, and short ofly mention especially, then being used as is to have equal structure and function.
Continuous seeing also Figure 12, shown in Figure 13, is that the combination of LED car light heat abstractor the 7th embodiment of the present invention is analysed and observe, and the three-dimensional appearance schematic diagram established of radiating module and reflector element group.The LED car light 700 of described the 7th embodiment is to comprise a car light group 710, a radiating module 720, some LED130, a circuit unit, a reflector element 140, at least one conduit 730 and some heat conducting insertses 740, wherein main difference is that described car light base 710 is to include a base 711 and a lamp housing 712, described base 711 is for described radiating module 720 ccontaining setting firmly, and is provided with the perforation 7111 that wears for described radiating module 720 at the trailing flank appropriate location of described base 711; Described radiating module 720 is to be provided with plural fin 721, and be formed with the circuit unit that is electrically connected for LED130 away from the side coating of fin 721 at described radiating module 720, described circuit unit is that (described radiating module 720 also can be as the radiating module 210 of aforementioned second embodiment for insulator chain 722, be provided with one or more groove, use for reflector element and embed, or as the radiating module 310 of aforementioned the 3rd embodiment, described groove medial surface shape reflector element is arranged, and be coated with insulator chain) in described groove floor, described insulator chain 722 is to be formed with some through holes simultaneously, and in described radiating module 720, be provided with one for the ccontaining accommodation space 723 of cooling fluid, and described radiating module 720 is to be provided with an opening 724 at appropriate location, and be installed with a rubber lamellar body 725 at described opening 724, the cooling fluid fluid pressure certain in order to described radiating module 720 inside because of thermal expansion is formed with, the elasticity that relies on described rubber lamellar body 725 itself, make described fluid pressure produce an expansive force, to regulate the fluid pressure of described cooling fluid to described rubber lamellar body 725; Described conduit 730 is to make by metal material, and the two ends of described conduit 730 are to be installed in described radiating module 720, make described radiating module 720 accommodation space 723 ccontaining cooling fluid, flow voluntarily because of siphonic effect 723 of the accommodation spaces of described conduit 730 and described radiating module 720; Described heat conducting inserts 740 is to be provided with the perforation that wears for described conduit 730, and making described heat conducting inserts 740 is to set firmly to be positioned described conduit 730.
When group is established, being about to described some LED130 earlier is electrically connected the insulator chain 722 of described radiating module 720 respectively, make the metal conducting strip 132 of described LED130 wear the through hole of described insulator chain 722, make described metal conducting strip 132 and described radiating module 720 form contact condition, again described conduit 730 correspondences are equipped with some described metal conducting strips 740, and simultaneously described conduit 730 is installed in described radiating module 720, inferior accommodation space 723 with described radiating module 730 charges into cooling fluid, and described radiating module 720 is installed in described car light base 710 inside, and described insulator chain 722 is to be electrically connected with the LED car light drive circuit (graphic demonstration) of vehicle body, again that the groove 141 of described reflector element 140 is corresponding with described LED130, described reflector element 140 is connected with described radiating module 720, make that described LED130 is that (as the reflector element 140 as shown in graphic Figure 13 are three signals that groove 141 forms a line in groove 141 bottoms that are positioned at described reflector element 140 relatively, but the number of the groove 141 of described LED130 and described reflector element 140 not with one row or three exceed), at last described lamp housing 712 is installed in the place ahead of described car light base 710, promptly finishes the group of LED car light 700 and establish.Simultaneously described LED car light 700 is installed in vehicle body.
When using, described LED130 produces light because of energising, described light is via described reflector element 140 reflections, described light is reflected away towards described lamp housing 712, the position that makes described light project is desired brightness of relevant laws and regulations and the light shape that meets the control car light.Simultaneously, described LED130 also can produce heat energy.The heat energy of described LED130 promptly relies on the metal conducting strip 132 of described LED130 to conduct to described radiating module 720, the cooling fluid of described radiating module 720 inside is because of being heated, and cause described cooling fluid volume to expand, and be formed with certain fluid pressure, make described fluid pressure produce an expansive force (as shown in figure 14) to described rubber lamellar body 725, with accommodation space 723 internal pressures of regulating described radiating module 720, and be positioned at the described fin 721 in described car light base 710 outsides, rely on contacting of described fin 721 and cold air, heat energy is absorbed by cold air, and reduced the temperature of described radiating module 720, the heat energy that described cooling fluid absorbed simultaneously, also rely on described conduit 730 with thermal energy transfer to described metal conducting strip 740, make described metal conducting strip 740 carry out heat exchange with cool ambient air, can dispel the heat to described metal conducting strip 740, the cooling fluid that order is positioned at described radiating module 720 inside is mobile because of siphonic effect forms 723 of the accommodation spaces of described conduit 730 and described radiating module 720, and then reaches the effect that described radiating module 720 is dispelled the heat and cools off.
The following stated is the eighth embodiment of the present invention, and described the 8th embodiment has same section with aforementioned first embodiment, the assembly numbering that remarks is identical, and short ofly mention especially, then being used as is to have equal structure and function.
Continuous seeing also shown in Figure 15ly, is the combination cross-sectional schematic of LED car light heat abstractor the 8th embodiment of the present invention.The main difference of described the 8th embodiment is, described LED car light 800 is to comprise a car light group 810, a radiating module 820, some LED130, a circuit unit, some reflector elements 830, two conduits 840 and a refrigerating module 850, wherein said car light group 810 is to include a base 811 and a lamp housing 812, described base 811 is for described radiating module 820 ccontaining setting firmly, and be provided with one or more perforation in the bottom surface of described car light group 810, use for described conduit 840 to wear; Described radiating module 820 is to be provided with plural fin 821, and described radiating module 820 appropriate locations are provided with some grooves 822, and be formed with the circuit unit that is electrically connected for LED130 in described groove 822 bottom surface coatings, described circuit unit is insulator chain 823 (described radiating module 820 also can be provided with a groove 211 as the described radiating module 210 of second embodiment), described insulator chain road 823 is provided with a through hole simultaneously, and is provided with one in the described radiating module 820 for the ccontaining accommodation space 824 of cooling fluid; Described reflector element 830 is to electroplate groove 822 medial surfaces that processing mode is molded over described radiating module 820, the light that described LED130 is throwed reflects through described reflector element 830, and light is reflected away towards described lamp housing 812, (described reflector element 830 also can be provided with some grooves 141 as aforementioned first reflector element of implementing 140 to make described light be projected onto the appropriate location, and make described LED130 be positioned at the bottom surface of described groove 141 relatively, or embed the groove 621 of described radiating module 620 as the reflector element 140 of aforementioned second embodiment); Described conduit 840 is to set firmly with described radiating module 820, makes the described conduit 840 and the accommodation space 824 of described radiating module 820 form paths, and described conduit 840 and described refrigerating module 850 are for being connected; Described refrigerating module 850 is to include a storage device 851 for the cooling fluid storage, an and pump 852 that is located at described storage device 851 inside, the outside of described storage device 851 is to be installed with a radiator fan 853, described pump 852 is to be connected with a described conduit 840, in order to relying on pump 852 starts, and make the cooling fluid of storage device 851 be injected into the accommodation space 824 of described radiating module 820.
When group is established, being about to described some LED130 earlier is electrically connected the insulator chain 823 of described radiating module 820 respectively, make the metal conducting strip 132 of described LED130 wear the through hole of described insulator chain 823, make described metal conducting strip 132 and described radiating module 820 form contact condition, and described insulator chain 823 is to be electrically connected with the drive circuit of vehicle body, inferior described radiating module 820 is installed in described base 811 inside, again with two described conduits 840 and described radiating module 820 for being connected, and wear the perforation 811 of described car light group 810 with described conduit 840 correspondences, make described conduit 840 be with described storage device 851 for being connected, and the pump 852 of described storage device 851 inside reaches wherein, and a described conduit 840 is connection, and described insulator chain 823 is to be electrically connected with the LED car light drive circuit (graphic demonstration) of vehicle body, at last described lamp housing 812 is installed in the place ahead of described base 811, promptly finishes the group of LED car light 800 and establish.Simultaneously described LED car light 800 is installed in vehicle body.
When using, described LED130 produces light because of energising, described light is via described reflector element 140 reflections, described light is reflected away towards described lamp housing 812, the position that makes described light project is desired brightness of relevant laws and regulations and the light shape that meets the control car light.Simultaneously, described LED130 also can produce heat energy.The heat energy of described LED130 promptly relies on the metal conducting strip 132 of described LED130 to conduct to described radiating module 820, and rely on pump 852 starts of described refrigerating module 850, make the cooling fluid that is stored in described storage device 851 rely on the accommodation space 824 of described conduit 840 perfusions to described radiating module 820, absorb the heat energy of described radiating module 820 simultaneously, and make the cooling fluid of described accommodation space 824 inside be back to described storage device 851 from another described conduit 840, and the radiator fan 853 in described storage device 851 outsides is promptly to the heat radiation of drying of described storage device 851, can reach the circulate effect of cooling heat dissipation of described radiating module 820.
Continuous seeing also Figure 16, shown in Figure 17, is the combination cross-sectional schematic of LED car light heat abstractor the 9th embodiment of the present invention, and light emitting module analyse and observe decomposing schematic representation.The LED car light 900 of described the 9th embodiment is to include a car light group 910 and some light emitting modules 920, wherein main difference is that described car light group 910 is to be installed in vehicle body, and described car light group 910 is to include a base 911 and a lamp housing 912, described base 911 appropriate locations are to be provided with one or more perforation 9111 (this illustration formula only shows a perforation 9111), and described lamp housing 912 is light-permeable bodies; Described light emitting module 920 is base 911 inside that are installed in described car light group 910, described light emitting module 920 includes a luminescence unit 921, one reflector element 922, one lens unit 923, an and heat-sink unit 924, described luminescence unit 921 is to comprise a LED9211 and a circuit unit, described circuit unit is a substrate 9212, described LED9211 has a main body base 9213, and described main body base 9213 is provided with a metal conducting strip 9214, described substrate 9212 is to be connected to form by-a circuit board 9215 and a fin 9216, described circuit board 9215 is to be electrically connected for described LED9211, and described circuit board 9215 is provided with a through hole 9217 in central authorities, with so that described LED9211 when being electrically connected described circuit board 9215, the metal conducting strip 9214 that makes described LED9211 is to wear described through hole 9217, and forms contact condition with described fin 9216; Described reflector element 922 is to be located at its bottom relatively for described luminescence unit 921, in order to the light that described LED9211 throwed is reflected through reflector element 922; Described lens unit 923 is provided in a side of the place ahead of reflector element 922, described lens unit 923 is to include a lenticular body 9231 and a fixed mount 9232 that supplies described lenticular body 9231 to set firmly, and described fixed mount 9232 is to be connected with described heat-sink unit 924; Described heat-sink unit 924 is to be connected with described fixed mount 9232 with described luminescence unit 921, and described heat-sink unit 924 is to include a thermoelectric cooling chip 9241 and a radiating seat 9242, described thermoelectric cooling chip 9241 is to have two sides, its characteristic is, when described thermoelectric cooling chip 9241 is when being electrically connected with electric energy, a wherein side of described thermoelectric cooling chip 9241 promptly produces certain high temperature, can be described as the hot junction, the another side produces certain low temperature simultaneously, can be described as cold junction; If directly the hot junction of described thermoelectric cooling chip 9241 is heated, or the cold junction of described thermoelectric cooling chip cooled off, make the cold junction and the hot junction of thermoelectric cooling chip 9241 produce the temperature difference, then make described thermoelectric cooling chip 430 promptly can produce electric energy.And described thermoelectric cooling chip 420 is to be connected with the substrate 9212 of described luminescence unit 921 with cold junction, and forms contact condition, in order to reduce the temperature that described luminescence unit 921 is produced; Described radiating seat 9242 is made with the material of metal material, pottery or other high thermal conductivity coefficient, and be connected with the hot junction of described thermoelectric cooling chip 9241, and the formation contact condition, in order to reduce the temperature that described thermoelectric cooling chip 9241 bodies are produced, and supply described fixed mount 9232 connections to set firmly, and described radiating seat 9242 is to be provided with plural fin 9243.
When group is established, being about to described LED9211 earlier is electrically connected the circuit board 9215 of described substrate 9212 respectively, make the metal conducting strip 132 of described LED130 wear the through hole 9217 of described circuit board 9215, and be fitted in the fin 9216 of described substrate 9212, promptly form luminescence unit 921, inferior with described luminescence unit 921 and described thermoelectric cooling chip 9241 for being connected, make the fin 9216 of described luminescence unit 921 form contact condition with the side that described thermoelectric cooling chip 9241 produces low temperature, and described thermoelectric cooling chip 9241 is connected with described radiating seat 9242, again with of the LED9211 corresponding setting of described reflector element 922 with described luminescence unit 921, making described LED9211 is the bottom that is positioned at described reflector element 922 relatively, and lens unit 923 is located at the place ahead of reflector element 922, and set firmly with described fixed mount 9232 and described radiating seat 9242, promptly finish the group of single light emitting module 920 and establish; At last some described light emitting modules 920 are installed in base 911, simultaneously with the perforation 9111 of the fin 9243 corresponding described bases 911 of described radiating seat 9242, making described fin 9243 is the outsides that are positioned at described base 911, and described circuit board 9215, described thermoelectric cooling chip 9241 are electrically connected with the LED car light drive circuit (graphic demonstration) of vehicle body, and described lamp housing 912 is connected with described base 911, promptly finishes the group of LED car light 900 and establish.Simultaneously described LED car light 900 is installed in vehicle body.
When using, described LED9211 produces light because of energising, and described light is via described reflector element 922 reflections, and towards described lens unit 923 projections, described LED9211 also can produce heat energy simultaneously with described light.The heat energy of described LED9211 promptly relies on the metal conducting strip 9214 of described LED9211 to conduct to described fin 9216, and described fin 9216 is directly to contact with the cold junction of described thermoelectric cooling chip 9241, the heat energy of fin 9216 can be inhaled by described thermoelectric cooling chip 9241.And the hot junction of described thermoelectric cooling chip 9241, then be directly to contact with described radiating seat 9242, the high temperature that makes described thermoelectric cooling chip 9241 is to be passed to described radiating seat 9242, and the described fin 9243 that is positioned at described base 911 outsides promptly carries out heat exchange with the cold air in the external world, can reach described radiating seat 9242 is dispelled the heat, and then reach the effect that described light emitting module 920 is dispelled the heat.
The described light emitting module 920 of aforementioned the 9th embodiment, be between reflector element 922 and lens unit 923, to be provided with a movable lightproof unit 925, as shown in figure 18, with so that the light that LED9211 throwed of described luminescence unit 921, form the specific light type via described lightproof unit 925, or can be as the switching of far and near lamp.
The following stated is the tenth embodiment of the present invention, and described the tenth embodiment has same section with aforementioned first embodiment, the assembly numbering that remarks is identical, and short ofly mention especially, then being used as is to have equal structure and function.
Continuous seeing also Figure 19, shown in Figure 20, is that the user mode of LED car light heat abstractor the tenth embodiment of the present invention is analysed and observe, and the horizontal cross-sectional schematic of described LED car light.The LED car light 1000 of described the tenth embodiment is to comprise a car light group 1100, a radiating module 1200, some LED130, a circuit unit and a reflector element, wherein main difference is, described LED car light 1000 is to be connected with the air filtration unit A of vehicle body, and described air filtration unit A is connected with the engine B of vehicle body.The described car light group 1100 of described LED car light 1000 is to include a lamp housing 1110 and a base 1120, described lamp housing 1110 is the place aheads that are installed in described base 1120, described base 1120 is for described radiating module 1200 ccontaining setting firmly, and described base 1120 is to be provided with one or more air admission hole 1121, and be provided with the through hole 1122 that connects for described air filtration unit A at described base 1120 appropriate locations, and described base 1120 inner appropriate locations are provided with stationary barrier 1123, described stationary barrier 1123 is the perforation that are provided with for described radiating module 1200 location, and be provided with at least one through hole 1124 (is to be shown as two through holes 1124 in this illustration formula) at described stationary barrier 1123 appropriate locations, use for circulation of air; Described radiating module 1200 is that correspondence wears the perforation of described stationary barrier 1123 and sets firmly the location, and described radiating module 1200 is to be provided with to be the plural fin 1210 that vertical type is arranged, and be formed with the circuit unit that is electrically connected for LED130 away from the side coating of fin 1210 at described radiating module 1200, described circuit unit is that (described radiating module 1200 also can be as the radiating module 210 of aforementioned second embodiment for insulator chain 1220, be provided with one or more groove, use for reflector element and embed, or as the radiating module 310 of aforementioned the 3rd embodiment, described groove medial surface shape reflector element is arranged, and be coated with insulator chain in described groove floor), described insulator chain 1220 is formed with some through holes simultaneously.
When group is established, being about to described some LED130 earlier is electrically connected the insulator chain 1220 of described radiating module 1200 respectively, make the metal conducting strip 132 of described LED130 wear the through hole of described insulator chain 1220, make described metal conducting strip 132 and described radiating module 1200 form contact condition, and described insulator chain 1220 is to be electrically connected with the LED car light drive circuit (graphic demonstration) of vehicle body, the inferior stationary barrier 1123 that is positioned described car light group 1100 that described radiating module 1200 is set firmly, again with the corresponding setting of groove 141 of described reflector element 140 with described LED130, make described LED130 be positioned at groove 141 bottoms of described reflector element 140 relatively, and described reflector element 140 is connected with described radiating module 1200, make that described LED130 is groove 141 bottoms that are positioned at described reflector element 140 relatively, at last described lamp housing 1110 is installed in the place ahead of described car light group 1100, promptly finishes the group of LED car light 1000 and establish.Simultaneously described LED car light 1000 is connected with described air filtration unit, and described LED car light 1000 is installed in vehicle body.
When using, described LED130 produces light because of energising, described light is via described reflector element 140 reflections, described light is reflected away towards described lamp housing 1110, the position that makes described light project is desired brightness of relevant laws and regulations and the light shape that meets the control car light.Simultaneously, described LED130 also can produce heat energy.The heat energy of described LED130 promptly relies on the conducting strip 132 of described LED130 to conduct to described radiating module 1200.The engine B of described vehicle body is in the running simultaneously, the pull of vacuum that is produced when relying on described engine B to turn round, and draw via described air filtration unit A filtered air, make outside cold air rely on the air admission hole 1121 of car light group 1100 to be directed into the inside of car light group 1100, and it is mobile towards described air filtration unit A via through hole 1124, flow and form force air, make the heat energy of described radiating module 1200, mobile cold air by car light group 11000 inside absorbs, even vehicle is in inactive state, and when the described engine B of vehicle still locates idle state, still can produce pull of vacuum, and make an amount of cold air by described radiating module 1200 and fin 1210 thereof, towards described air filtration unit A forced flow.
In sum, we can know that the present invention has advantage what follows:
LED car light cooling device of the present invention is to rely on described radiating module to utilize cold air or cooling fluid conduct The news media of heat radiation dispels the heat and can reach the heat energy that described LED is produced, and then makes described LED The LED of car light can not damage even because of the output of overheated reduction light, and prolongs LED car light service life.
More than explanation is for the purpose of the present invention just illustrative, and nonrestrictive, those of ordinary skills Understand, in the situation that does not break away from the spirit and scope that claim limits, can make many modifications, variation Or equivalence, but but all will fall within the claim restricted portion of the present invention.

Claims (25)

1. LED car light heat abstractor, it is to be installed in vehicle body, and is electrically connected with the LED car light drive circuit of vehicle body inside, it is characterized in that: described LED car light includes:
Car light group, described car light group are to include a base and a lamp housing, and described lamp housing is the light-permeable body, and are installed in the place ahead of described base;
Radiating module, described radiating module are to be connected with the base of described car light group, and described radiating module is to be provided with plural fin;
At least one LED, it is to be connected with described radiating module, described LED has a main body base, described main body base is to be provided with a metal conducting strip, in order to thermal energy conduction that described LED produced to described radiating module;
Circuit unit, it is provided in a side of between described radiating module and the described LED, and is electrically connected with described LED;
Reflector element, it is provided in a side of the base inside of described car light group, making described LED is the bottom that is located at described reflector element relatively, in order to the light that described LED throwed is reflected through described reflector element, and light is reflected away towards described lamp housing.
2. LED car light heat abstractor according to claim 1, it is characterized in that: described radiating module is to be provided with one or more groove, and be provided with the described circuit unit that is electrically connected for described LED in described groove floor, and described reflector element is to be formed with one or more groove, the groove that makes described reflector element is the groove of corresponding described radiating module, makes the groove of described reflector element embed the groove that is positioned described radiating module.
3. LED car light heat abstractor according to claim 1, it is characterized in that: described radiating module is to be provided with at least one groove, and be provided with a circuit unit that is electrically connected for described LED in described groove floor, and the medial surface of described groove is to electroplate to be processed to form reflector element.
4. according to each described LED car light heat abstractor in the claim 1 to 3, it is characterized in that: described circuit unit is an insulator chain, and described insulator chain is to be coated on the described radiating module, makes described insulator chain and described radiating module body form state of insulation.
5. according to each described LED car light heat abstractor in the claim 1 to 3, it is characterized in that: the base of described car light group is to be provided with perforation, with so that the insulator chain of described radiating module sets firmly towards the car light base, and make the fin of described radiating module be positioned at the outside of car light base.
6. according to each the described LED car light heat abstractor in the claim 1 to 3, it is characterized in that: the base of described car light group is to be provided with at least one air-guiding aisle and at least one steam vent, the fin of described radiating module is to be installed with at least one thermoelectric cooling chip, described thermoelectric cooling chip is to be electrically connected with one or more radiator fan, described radiator fan is to be installed in described car light base inside, and described radiator fan is with the fin of its air outlet towards described radiating module, in order to rely on described thermoelectric cooling chip to be heated and electric energy is provided, make described radiator fan start.
7. LED car light heat abstractor according to claim 6, it is characterized in that: be to be provided with perforation on the base of described car light group, use the outside that is positioned at described base for the part fin of described radiating module, and described thermoelectric cooling chip is to be installed on the described fin of described chassis outer side.
8. LED car light heat abstractor according to claim 6 is characterized in that: between described thermoelectric cooling chip and the described radiator fan, be to be electrically connected with at least one rectification circuit.
9. according to each the described LED car light heat abstractor in the claim 1 to 3, it is characterized in that: described radiating module is the base inside that is installed in described car light group, and the plural fin of described radiating module is to be provided with one or more perforation, and the perforation of described fin is to be equipped with one or more heat pipe.
10. according to the LED car light heat abstractor described in the claim 9, it is characterized in that: the chassis outer side of described car light group is to be provided with a radiating module, described radiating module is to be provided with plural fin, and described fin is to be provided with the perforation that heating tube wears, the heat pipe other end that the radiating module of the base inside of described car light group is set is to extend in the perforation of radiating module of the chassis outer side be located in described car light group.
11. according to each the described LED car light heat abstractor in the claim 1 to 3, it is characterized in that: the described plural fin of each of described radiating module is to be provided with one or more perforation, and the perforation of described fin is to be equipped with at least one or more than one conduit, and the two ends of described conduit are connected with a refrigerating module.
12. LED car light heat abstractor according to claim 11, it is characterized in that: described refrigerating module is to include a storage device for the cooling fluid storage, an and pump that is located at described storage device inside, described pump is to be connected with an end of described conduit, and the cooling fluid of storage device is flowed between described conduit and described storage device.
13. LED car light heat abstractor according to claim 12 is characterized in that: the outside of described storage device is to be installed with at least one radiator fan, in order to described storage device is dispelled the heat.
14. according to each the described LED car light heat abstractor in the claim 1 to 3, it is characterized in that: be provided with an accommodation space in the described radiating module, described accommodation space is ccontaining for cooling fluid, and described radiating module is connected with one or more conduit, the two ends of described conduit are to be installed in described radiating module simultaneously, make described cooling fluid flow voluntarily between the accommodation space of described conduit and described radiating module.
15. LED car light heat abstractor according to claim 14, it is characterized in that: described radiating module is provided with an opening, and be installed with a rubber lamellar body at described opening, in order to rely on the elasticity of described rubber lamellar body itself, regulate the interior cooling fluid of accommodation space of described radiating module, because of the pressure variation of rising-heat contracting-cold.
16. LED car light heat abstractor according to claim 14 is characterized in that: described conduit is to be equipped with at least one heat conducting inserts.
17. according to claim 2 or 3 described LED car light heat abstractors, it is characterized in that: described radiating module is provided with an accommodation space in being, described accommodation space is ccontaining for cooling fluid, and described radiating module is connected with the conduit more than two, the other end of described conduit is to be connected with refrigerating module, described refrigerating module is to include a storage device for the cooling fluid storage, an and pump that is located at described storage device inside, described storage device is to be connected with a described conduit wherein, described pump is to be connected with another described conduit, makes the accommodation space of the cooling fluid perfusion of storage device to described radiating module in order to rely on the pump start.
18. LED car light heat abstractor according to claim 17 is characterized in that: the outside of described storage device is to be installed with at least one radiator fan, in order to described storage device is dispelled the heat.
19. according to each the described LED car light heat abstractor in the claim 1 to 3, it is characterized in that: described LED car light is to be connected with the air filtration unit of vehicle body, and described air filtration unit is to be connected with the engine of vehicle body, and the base of described LED car light is to be provided with one or more air admission hole, and on described base, be provided with the through hole that connects for described air filtration unit, in order to be formed with pull of vacuum when described engine running, and when drawing via described air filtration unit filtered air simultaneously, the heat energy that makes described LED car light produce relies on described through hole and is taken out of to described air filtration unit.
20. LED car light heat abstractor according to claim 1, it is characterized in that: described radiating module is at least one radiating module, make the single described LED of the corresponding connection of single described radiating module, described reflector element is at least one reflector element, make described LED be located at its bottom relatively, described circuit unit is at least one substrate and being located between described radiating module and the described LED.
21. LED car light heat abstractor according to claim 20 is characterized in that: be to be provided with a thermoelectric cooling chip between described substrate and the described radiating module.
22. according to claim 20 or 21 described LED car light heat abstractors, it is characterized in that: described substrate is to be connected to form by a circuit board and a heat sink, described circuit board is to be electrically connected for described LED.
23. LED car light heat abstractor according to claim 20 is characterized in that: the place ahead of described reflector element is that a lens unit is arranged.
24. LED car light heat abstractor according to claim 23 is characterized in that: be to be provided with a movable lightproof unit between described reflector element and the described lens unit, make described LED car light project specific light type.
25. LED car light heat abstractor according to claim 20, it is characterized in that: be to be provided with one or more perforation on the base of described car light group, use for described radiating module to wear, and the fin of described radiating module is positioned at the outside of described base.
CNA2007101387651A 2007-08-16 2007-08-16 Heat radiating device for LED vehicle lamp Pending CN101368714A (en)

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