CN202141021U

CN202141021U - Cooling water heat dissipating device for LED headlight

Info

Publication number: CN202141021U
Application number: CN201120194834U
Authority: CN
Inventors: 于庆来
Original assignee: WUHU ANRUI PHOTOELECTRIC CO Ltd
Current assignee: WUHU ANRUI PHOTOELECTRIC CO Ltd
Priority date: 2011-06-10
Filing date: 2011-06-10
Publication date: 2012-02-08
Anticipated expiration: 2021-06-10

Abstract

A cooling water heat dissipating device for an LED (Light Emitting Diode) headlight comprises a cooler, a metal cooling tube and a lamp socket-shaped water seal cap, wherein, the cooler can generate circulating cooling water; the surface of the metal cooling tube can be connected with a radiating base of an LED luminous body; two grooves are formed on the inner axial wall of the metal cooling tube; a partition board is plugged in the grooves, so that a tube cavity of the cooling tube can be divided into two parts so as to form a U-shaped water inlet and outlet duct; a pipe sleeve and two water pipe joints are formed on the water seal cap integrally, wherein, the pipe sleeve can be in socket joint with the cooling tube in a sealing manner, and the two water pipe joints can be communicated with the two ends of the U-shaped water inlet and outlet duct; the pipe sleeve of the water seal cap is in socket joint with the cooling tube in a sealing manner, and the water pipe joints are connected with the cooler; cooling water prepared by the cooler flows in the water pipe joints and the U-shaped water inlet and outlet duct of the cooling tube in a circulatory manner; heat quantity generated by the radiating base of the LED luminous body is transmitted to the cooling tube in a heat transmission manner, and cooling water carries away the heat quantity to cool down the LED luminous body, so as to prolong the service life of the LED luminous body; in addition, the cooling water heat dissipating device has the advantages of simple structure and high heat radiating efficiency.

Description

A kind of LED head lamp cooling water heat abstractor

Technical field

The utility model relates to the heat abstractor of LED head lamp, especially for a kind of LED head lamp cooling water heat abstractor of light source cooling heat dissipation.

Background technology

The disclosed a kind of high-power LED car light of China's utility model patent (CN 201297550); It comprises that a front portion is fixed with the pallet 3 of condenser; Be provided with several LED illuminators 1 in the condenser 2, pallet 3 rear portions are provided with the heat abstractor 5 that removably connects, and are provided with the interval H that supplies lampshade to install between radiator 5A and the pallet 3; Heat abstractor 5 comprises radiator 5A and is fixed on the radiator fan 5B on the radiator 5A that radiator 5A is connected through screw rod body 9 threads engaged with pallet 3.The heat that the last LED illuminator 1 of this LED car light is produced; Heat is successively through condenser 2, pallet 3, screw rod body 9, radiator 5A conduction; And finally radiator 5A is carried out wind-cooling heat dissipating through radiator fan 5B; The shortcoming that the mode of this air cooling heat radiation exists mainly contains: 1. heat conduction path is longer, and heat conduction efficiency is lower, can't in time cool off LED illuminator 1; 2. contain a plurality of parts in the entire heat dissipation conducting path, non-integrated heat dissipation conductor, the connection minim gap of too much connecting portion influences heat conducting effect; 3. LED illuminator 1 is connected on the plane of pallet 3, and the area that the distribution of its limit connects is limited, can't connect more LED illuminator 1; If need to connect more LED illuminator 1; Need to increase the area of pallet 3, with the connection area of increase LED illuminator 1, but the joint face of this pallet 3 and LED illuminator 1 is that plane and area are limited; Therefore can't realize the maximization of heat loss through conduction area, radiating effect is relatively poor; 4. the radiator structure parts of this LED lamp are many, packaging efficiency is lower, and production cost is higher.

The utility model content

For solving the existing problem of above-mentioned high-power LED car light radiator structure, the utility model is intended to propose a kind of LED head lamp cooling water heat abstractor.

The utility model addresses the above problem the technical scheme that is adopted: a kind of LED head lamp cooling water heat abstractor; Contain one can produce recirculated cooling water cooler; It is characterized in that: it comprises that also a surface can connect a metal cooling-pipe of the cooling base of LED illuminator; The axial inwall of metal cooling-pipe is provided with two grooves, and the peg graft tube chamber that makes cooling tube of a dividing plate and groove is divided into two and constitutes U-shaped turnover water channel; One socket seat shape water seal cap, one-body molded on the water seal cap have and can seal the pipe box of socket and can pass in and out two water pipe heads that the water channel two ends are communicated with U-shaped with cooling tube; The pipe box of water seal cap and cooling tube sealing socket, water pipe head is connected with cooler.

The described cooling tube of the utility model surface be provided with at least can with the chimeric counterbore that is connected of the cooling base of LED illuminator; This counterbore is used to realize that the cooling base of LED illuminator is connected with the tight of cooling tube, makes its heat conduction joint face tight.

The described cooler of the utility model is connected to form by water tank, water pump and fin; It is connected with cooling tube, can make in the cooling tube with water tank in water circulate through pump working, realize the heat exchange of cooling tube and the water of water tank, through fin water tank is dispelled the heat, with the water temperature in the reduction water tank.

The cooling tube of the utility model is a long tube, and it is the fixing wing plate of extension radially, is fixed with the spill light reflection mirror on the wing plate, before the LED illuminator is positioned at speculum; This structure applications is in the heat radiation of great power LED shot-light.

The cooling tube of the utility model is a short tube, and cooling tube can connect in the middle of the lamp reflector of fixed vehicle headstock, and this structure applications is in the heat radiation of vehicle headstock great power LED headlamp.

The beneficial effect of the utility model is: connect the water-cooled cooler through the water pipe head on the water seal cap; Circulate in the U-shaped turnover water channel of cooling water in water pipe head and cooling tube that makes cooler prepare; The heat heat that LED illuminator cooling base is produced passes to cooling tube; The cooling water that circulates is taken away this heat to the cooling of LED illuminator, so that prolong the service life of LED illuminator, the utility model is simple in structure, radiating efficiency is high.

Description of drawings

Fig. 1 is the assembling perspective view of the utility model embodiment one.

Fig. 2 is applied to the perspective view of shot-light for the utility model embodiment one.

Fig. 3 is the assembling perspective view of the utility model embodiment two.

Fig. 4 is used for the perspective view of vehicle great power LED headlamp for the utility model embodiment two.

Fig. 5 is the perspective view of the water-cooled cooler of the utility model embodiment.

Accompanying drawing is designated: 10. cooling tube; 11. groove; 12. dividing plate; 13. U-shaped turnover water channel; 14. counterbore;

20. the water seal cap; 21. pipe box; 22. water pipe head; 30.LED illuminator; 31. cooling base; 40. cooler; 41. water tank; 42. water pump; 43. fin; 50. wing plate; 51. speculum; 60. lamp reflector.

The specific embodiment

The utility model is further specified with each embodiment below in conjunction with accompanying drawing.

Embodiment one(being applied to the heat radiation of great power LED shot-light).

As Fig. 1, Fig. 2Shown a kind of LED head lamp cooling water heat abstractor; Comprise that a surface can connect a metal cooling-pipe 10 of the cooling base 31 of great power LED illuminator 30; Cooling tube 10 is a long tube; Metal cooling-pipe 10 axial inwalls are provided with the peg graft tube chamber that makes cooling tube 10 of two grooves, 11, one dividing plates 12 and groove 11 and are divided into two and constitute U-shaped turnover water channel 13, in three counterbores 14 that cooling tube 10 spaced surfaces are provided with respectively with 31 chimeric connections of cooling base of LED illuminator 30; Cooling tube 10 is the fixing wing plate 50 of extension radially, is fixed with the light reflection mirror 51 of spill on the wing plate 50, before LED illuminator 30 is positioned at speculum 51; One socket seat shape water seal cap 20, one-body molded on the water seal cap 20 have and can seal the pipe box 21 of sockets and can pass in and out two water pipe heads 22 that water channel 13 two ends are communicated with U-shaped with cooling tube 10; The pipe box 21 of water seal cap 20 and cooling tube 10 sealing sockets; As Fig. 5Shown one can produce recirculated cooling water cooler 40 connect to form by water tank 41, water pump 42 and fin 43, fin 43 is connected with water tank 41 outer walls; The water pipe head 22 of the utility model is connected with water tank 41 through water pump 42.

As Fig. 5Shown in, guarantee during use that water tank has water in the cooler 40, then when as Fig. 2When shown shot-light is worked; 30 electroluminescent of great power LED illuminator; The light that sends penetrates through speculum 51; The heat of the cooling base 31 of LED illuminator 30 conducts to cooling tube 10, water pump 42 work of cooler, and water pipe head 22, water pump 42 and water tank 41 that the U-shaped of cooling water in cooling tube 10 passes in and out on water channel 13, the water seal cap 20 constitute in the water circle device mobile; Pass through the cooling in the cooling tube 10 to the heat that LED illuminator 30 produces; And be dispersed into heat in the air through the fin on the water tank 41 43, the LED illuminator 30 of short present embodiment great power LED shot-light is not can Yin Wendu too high to be caused light efficiency to reduce or damages, and then prolongs its service life.

Embodiment two(being applied to the heat radiation of vehicle headstock great power LED headlamp).

As Fig. 3With Fig. 4Shown a kind of LED head lamp cooling water heat abstractor; The difference of present embodiment and embodiment one is: cooling tube 10 is installed the wick short tube that is integrated with two LED illuminators 30 for can be used as; Cooling tube 10 can connect in the middle of the lamp reflector 60 of fixed vehicle headstock, and cooling tube 10 is not provided with like wing plate among the embodiment one 50 and speculum 51 in the present embodiment; Other structure, operation principle and the specific embodiment of present embodiment are with embodiment one.

Above embodiment only supplies to explain the usefulness of the utility model, but not to the restriction of the utility model, those skilled in the art under the situation of spirit that does not break away from the utility model and scope, can also make various conversion or variation.Therefore, all technical schemes that are equal to also should belong to the category of the utility model, are limited each claim.

Claims

1. LED head lamp cooling water heat abstractor; Contain one can produce recirculated cooling water cooler; It is characterized in that: it comprises that also a surface can connect a metal cooling-pipe of the cooling base of LED illuminator; The axial inwall of metal cooling-pipe is provided with two grooves, and the peg graft tube chamber that makes cooling tube of a dividing plate and groove is divided into two and constitutes U-shaped turnover water channel; One socket seat shape water seal cap, one-body molded on the water seal cap have and can seal the pipe box of socket and can pass in and out two water pipe heads that the water channel two ends are communicated with U-shaped with cooling tube; The pipe box of water seal cap and cooling tube sealing socket, water pipe head is connected with cooler.

2. a kind of LED head lamp cooling water heat abstractor as claimed in claim 1 is characterized in that: described cooling tube surface be provided with at least can with the chimeric counterbore that is connected of the cooling base of LED illuminator.

3. a kind of LED head lamp cooling water heat abstractor as claimed in claim 1, it is characterized in that: described cooler is connected to form by water tank, water pump and fin.

4. according to claim 1 or claim 2 a kind of LED head lamp cooling water heat abstractor, it is characterized in that: described cooling tube is a long tube, it is the fixing wing plate of extension radially, is fixed with the spill light reflection mirror on the wing plate, before the LED illuminator is positioned at speculum.

5. according to claim 1 or claim 2 a kind of LED head lamp cooling water heat abstractor, it is characterized in that: described cooling tube is a short tube, and cooling tube can connect in the middle of the lamp reflector of fixed vehicle headstock.