CN105371214A - LED automobile head lamp - Google Patents
LED automobile head lamp Download PDFInfo
- Publication number
- CN105371214A CN105371214A CN201510947095.2A CN201510947095A CN105371214A CN 105371214 A CN105371214 A CN 105371214A CN 201510947095 A CN201510947095 A CN 201510947095A CN 105371214 A CN105371214 A CN 105371214A
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- Prior art keywords
- led
- head lamp
- automobile head
- evaporation cavity
- cob light
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
- F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/40—Cooling of lighting devices
- F21S45/42—Forced cooling
- F21S45/43—Forced cooling using gas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/04—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/141—Light emitting diodes [LED]
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/40—Cooling of lighting devices
- F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/51—Cooling arrangements using condensation or evaporation of a fluid, e.g. heat pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
- F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
Abstract
The invention relates to the technical field of automobile lamps, in particular to an LED automobile head lamp. The LED automobile head lamp comprises a stereoscopic even-temperature board, LED-COB light sources, an outer bulb metal cover, a finned heat sink and a fan. The stereoscopic board is of a T-shaped stereoscopic structure and is internally provided with a vacuum evaporation cavity and a condensation cavity, and a capillary core layer is arranged. The LED-COB light sources are pasted to the outer surfaces of the evaporation cavity, the front end of the finned heat sink is pasted to the outer surface of the condensation cavity, and the fan is arranged at the back end of the finned heat sink. The outer lamp metal cover is made of magnesium alloy materials. Besides the fan, the parts are connected in a high-temperature welded mode through tin-silver-copper environment-friendly solder paste. According to the LED automobile head lamp, the four heat sinking technical means including phase change heat sinking, metal-cooling-fin heat conduction heat sinking, air-cooling heat sinking and radiation heat sinking are integrated, and heat sinking efficiency is high; the anti-vibration effect is good, and the structure is firm; installation is convenient, focusing is accurate, an original bulb can be perfectly replaced, and the LED automobile head lamp is suitable for various vehicle types.
Description
Technical field
The present invention relates to car light technical field, especially relate to a kind of LED automobile head lamp.
Background technology
Current auto bulb has Halogen lamp LED, xenon lamp and LED several.
Halogen lamp LED price is lower, but energy consumption is high, luminance range, caloric value large, and mostly sends gold-tinted, and illuminance is not high, and easily aging.
Xenon lamp (HID) has the intensity of illumination of higher than Halogen lamp LED three times, power consumption be but only its 2/3rds; Xenon lamp adopts and daylight is close to identical photochromic, and for driver creates better visual condition, and longer service life is of a specified duration.But xenon lamp price is higher, assembling is complicated and light-gathering is poor, although and xenon lamp caloric value less than Halogen lamp LED, also not very low.
LED is emerging green illumination high-tech industry, especially LED-COB light source has environmental protection, high, the energy-efficient feature of brightness, and LED is as cold light source, its temperature is much lower, extend service life, be deeply subject to the favor of each car light production firm and numerous car owners in car light field.
But, the stability and high efficiency work of LED-COB light source device be obtained, need its operating temperature to control within certain scope.Research shows: LED-COB light-source temperature often rises 10 DEG C, and its luminous efficiency approximately declines 3%; If more than the temperature extremes of LED-COB light source, will cause losing efficacy, even cause permanent damage.
The heat dissipation design scheme of current LED-COB light source is: the heat relying on thermal conductivity factor good material to be sent by the LED-COB light source substrate that leads as soon as possible leads heat-dissipating casing again.As for shell radiator portion, adopt the good material of thermal conductivity factor to manufacture different heat-dissipation lamp housing on the one hand, realize heat radiation by its ambient air convection current; On the other hand, except conventional art means, adopt sapecial coating or film, strengthen the thermal radiation capability of the shell that is heated, realize the object accelerating cooling.But the efficiency of above heat dissipation is lower, can not the radiating effect of guarantee LED-COB light source of round-the-clock, still need to improve.
In addition, for ensureing light type requirement, normally LED-COB light source is arranged on one piece of insulation board, to power to it and to ensure the focusing requirement on thickness.But the conductive capability of insulation board is very limited, radiating effect extreme difference.And if insulation board is changed into metallic heat radiating plate, first need to do insulation processing on the surface of metallic plate, simultaneously, metallic plate needs certain thickness can ensure the heat-transfer effect that dispels the heat, and so, the thickness of LED-COB light source and metallic plate can be larger, cannot accurately focus, make divergence of beam, thus affect the light type of whole headlight, affect the normal use of headlight.
Summary of the invention
The object of the present invention is to provide a kind of LED automobile head lamp, there is better radiating effect and stability in use.
LED automobile head lamp provided by the invention, comprising: three-dimensional temperature-uniforming plate, LED-COB light source, bulb metal housing, fin radiator and fan;
Described three-dimensional temperature-uniforming plate comprises the evaporation cavity of hollow long slab shape and the plate shaped condensation chamber of hollow; Described evaporation cavity is vertically fixed on the surface of condensation chamber, and composition cross section is "T"-shaped stereochemical structure, and evaporation cavity and condensation chamber are vacuum chamber and fill cooling fluid, and the two is interconnected; The inwall of described evaporation cavity and condensation chamber arranges wick layer;
Described LED-COB light source is sticked on the outer surface of described evaporation cavity, is delivered to by heat in the evaporation cavity of three-dimensional temperature-uniforming plate;
The front end of described fin radiator is sticked on the outer surface of described condensation chamber, cools the condensation chamber of three-dimensional temperature-uniforming plate;
Described fan is arranged on the rear end of fin radiator, accelerates the cooling of fin radiator;
Described bulb metal housing is set in outside LED-COB light source and three-dimensional temperature-uniforming plate, and bulb metal housing adopts magnesium alloy materials.
This LED automobile head lamp is integrated with phase-change heat, metal fin heat conducting and radiating, wind-cooling heat dissipating and heat loss through radiation four kinds of heat dissipation technology means, efficiently the heat that LED-COB light source produces can be distributed in time, thus ensure that LED-COB light source remains on suitable operating temperature.
The principle of phase-change heat mode and capillary structure transmission is adopted: cooling fluid is filled in three-dimensional temperature-uniforming plate, receives in wick layer in three-dimensional temperature-uniforming plate; When evaporation ends is heated, cooling fluid endothermic gasification, overflows from wick layer, and flow to condensation chamber exothermic condensation along evaporation cavity, post liquefaction is inhaled into the wick layer of condensation end, and is transported to the wick layer of evaporation ends by capillarity, completes a heat radiation circulation.
The three-dimensional temperature-uniforming plate of "T"-shaped structure, the flow process of cooling fluid is shorter, and circulation rate is faster; The area of evaporation cavity and condensation chamber is larger, more easily and LED-COB light source and other radiating elements install, and heat radiator better effects if; Structure is more stable, and shockproof effect is good.
Magnesium alloy take magnesium as the alloy that base adds other elements composition.Be characterized in: the little (1.8g/cm of density
3left and right), specific strength is high, larger than elastic modelling quantity, good heat dissipation, and shock absorbing is good, and the load-carrying ability that withstands shocks is large, and the corrosive nature of resistance to organic matter and alkali is good.Therefore, select magnesium alloy to prepare bulb metal housing cover, possess good heat-radiation heat-dissipating performance.
Further, described evaporation cavity is rectangle, and condensation chamber is circular.
Further, the thickness of described condensation chamber is greater than the thickness of evaporation cavity.
Condensation chamber is comparatively large, evaporation cavity is less, can accelerate the flowing velocity of the cooling fluid gasified, thus increases radiating efficiency.
Further, described LED-COB light source is two groups, is sticked on two surfaces up and down of evaporation cavity respectively; And the gross thickness of described LED-COB light source and described evaporation cavity is no more than 3mm.
The present invention adopts three-dimensional equalizing plate structure, have the function of installing LED-COB light source and heat radiation concurrently, thus can be done very thin, the accurate focusing of the X-axis of each model free form surface of each money auto bulb assembly, Y-axis, Z axis can be met, and provide good light type, to substitute original halogen regenerative-cycle headlamp or HID headlight.
Further, described fin radiator is circular configuration, arranges 180 ° of parallel air paths outside it.
Further, described LED automobile head lamp also comprises fixed mount and energising keyset; Described fixed mount is superimposed together with energising keyset, is arranged between fin radiator and fan; Described energising keyset is fan and LED-COB light source power supply.
Further, described three-dimensional temperature-uniforming plate, fin radiator, fixed mount and energising keyset all adopt red metal to prepare.
Each parts in LED automobile head lamp all adopt the red metal material of low thermal resistance, can improve its heat dispersion.
Further, described fan is connected with fixed mount and the keyset that is energized by screw.
Further, SAC environmental protection tin cream high-temperature soldering is all adopted to connect between described three-dimensional temperature-uniforming plate, LED-COB light source, bulb metal housing, fin radiator, fixed mount and energising keyset.
This LED automobile head lamp is except fan, and the mode that other each several parts all adopt SAC environmental protection tin cream high-temperature soldering to connect, its anti-shake performance in XYZ all directions is good, and bonding strength is high, sound construction, low thermal resistance, good heat dissipation.Found by thump testing inspection, the anti-seismic performance of this LED automobile head lamp is obviously better than other car lights existing.
Further, described LED automobile head lamp also comprises the quartz glass protecting tube being sleeved on bulb metal housing outside.
Further, described bulb metal housing arranges draw-in groove, socket and clamp, be connected with various types of vehicle lamp assembly shell.
Bulb metal housing as required, can adopt various profile and syndeton, can mate with the vehicle lamp assembly shell of various vehicle, can directly replace original Halogen lamp LED or HID lamp, without the need to changing original vehicle lamp assembly shell, focusing precisely, easy for installation, reduce cost simultaneously.
Beneficial effect of the present invention is:
This LED automobile head lamp is integrated with phase-change heat, metal fin heat conducting and radiating, wind-cooling heat dissipating and heat loss through radiation four kinds of heat dissipation technology means, and radiating efficiency is high, good heat dissipation effect; Whole lamp works under 100 DEG C of environment, and bulb temperature differs within 10 DEG C with environment temperature, successively warm lower than diode PN;
Integrally-built shockproof effect is good, sound construction;
Easy for installation, focusing precisely, can provide good light type, perfectly can replace original Halogen lamp LED or xenon lamp, be applicable to various vehicle.
Accompanying drawing explanation
In order to be illustrated more clearly in the specific embodiment of the invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in detailed description of the invention or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The overall structure schematic diagram of the LED automobile head lamp that Fig. 1 provides for the embodiment of the present invention;
The STRUCTURE DECOMPOSITION schematic diagram of the LED automobile head lamp that Fig. 2 provides for the embodiment of the present invention;
Fig. 3 is the cross section view of described three-dimensional temperature-uniforming plate.
Reference numeral:
1-LED-COB light source; 2-bulb metal housing;
The three-dimensional temperature-uniforming plate of 3-; 4-fin radiator;
5-fan; 6-fixed mount;
7-is energized keyset; 8-quartz glass protecting tube;
9-gas phase cooling fluid; 10-liquid phase cools liquid;
301-evaporation ends; 302-condensation end;
303-evaporation cavity; 304-condensation chamber;
305-wick layer; 306-housing.
Detailed description of the invention
Be clearly and completely described technical scheme of the present invention below in conjunction with accompanying drawing, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
In describing the invention, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second ", " the 3rd " only for describing object, and can not be interpreted as instruction or hint relative importance.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
The overall structure schematic diagram of the LED automobile head lamp that Fig. 1 provides for the embodiment of the present invention; The STRUCTURE DECOMPOSITION schematic diagram of the LED automobile head lamp that Fig. 2 provides for the embodiment of the present invention; Fig. 3 is the cross section view of described three-dimensional temperature-uniforming plate.
LED automobile head lamp as depicted in figs. 1 and 2, mainly comprises: LED-COB light source 1, three-dimensional temperature-uniforming plate 3, bulb metal housing 2, fin radiator 4 and fan 5.
Three-dimensional temperature-uniforming plate 3 comprises the condensation end 302 of rectangular evaporation ends 301 and circular plate type, and the two is mutually vertical, forms "T"-shaped stereochemical structure.
LED-COB light source 1 is two, is sticked respectively in the both side surface of the evaporation ends 301 of three-dimensional temperature-uniforming plate 3, and bulb metal housing 2 is divided into two pieces, left and right, is set in outside LED-COB light source 1 and three-dimensional temperature-uniforming plate 3.The latasuture place of two pieces of bulb metal housings 2 is interconnected, and bottom is connected with condensation end 302 outer wall of three-dimensional temperature-uniforming plate 3, is combined into an entirety.
Two LED-COB light sources 1 are no more than 3mm with the gross thickness of evaporation ends 301.General according to design standard, making two LED-COB light sources 1 equal the tungsten filament length of Halogen lamp LED or the luminous arc length of HID lamp with the gross thickness of evaporation ends 301, such as, can be 2mm or 1.2mm.Thus make this LED automobile head lamp under the prerequisite ensureing radiating effect, the accurate focusing of the X-axis of each model free form surface of each money auto bulb assembly, Y-axis, Z axis can be met, possess good light type.
Fin radiator 4 is circular configuration, and its front end is close to the lower surface of the condensation end 302 of three-dimensional temperature-uniforming plate 3, can carry out cooling to the condensation end 302 of three-dimensional temperature-uniforming plate 3.
Fixed mount 6, energising keyset 7 and fan 5 is set gradually in the rear end of fin radiator 4.
Fixed mount 6 is superimposed with energising keyset 7, and the front end face of fixed mount 6 and the rear end of fin radiator 4 are fixed together.
Fixed mount 6 and energising keyset 7 all arrange screw, and fan 5 is fixed by screws on energising keyset 7.Energising keyset 7 is powered for fan 5 and LED-COB light source 1 simultaneously.
Also be set with quartz glass protecting tube 8 in bulb metal housing 2 outside, play further protective effect.
The concrete structure of three-dimensional temperature-uniforming plate 3 as shown in Figure 3, comprises the evaporation ends 301 of hollow long slab shape and the condensation end 302 of hollow circular plate type.Evaporation ends 301 is fixed on the upper surface center of condensation end 302 in vertical manner, thus composition cross section is "T"-shaped stereochemical structure.
The cavity of evaporation ends 301 forms evaporation cavity 303, and the cavity of condensation end 302 forms condensation chamber 304, and evaporation cavity 303 and condensation chamber 304 are vacuum chamber, and both are interconnected.
In evaporation cavity 303 with condensation chamber 304, fill cooling fluid, evaporation cavity 303 all lays wick layer 305 with the inwall of condensation chamber 304, arranges housing 306 at its outer wall.
The principle of phase-change heat mode and capillary structure transmission is adopted: cooling fluid is received in wick layer 305 in three-dimensional temperature-uniforming plate 3; When LED-COB light source 1 is luminous, evaporation ends 301 absorbs the heat that LED-COB light source 1 distributes, make the cooling fluid endothermic gasification in the wick layer 305 at evaporation ends 301 place, gas phase cooling fluid 9 is overflowed from wick layer 305, flow to condensation chamber 304 direction along evaporation cavity 303, and exothermic condensation liquefaction in condensation chamber 304, liquid phase cools liquid 10 is inhaled in the wick layer 305 of condensation end 302, carried to the wick layer of evaporation ends 301 by the capillarity of wick layer again, thus complete a cooling circulation.
Fin radiator 4 adopts hollow cylinder form, and surrounding arranges 180 ° of parallel air paths, and its front end absorbs heat from three-dimensional temperature-uniforming plate 3 condensation end 302, is outwardly dispelled the heat by fin.
Fan 5 adopts aerodynamic structures, its flabellum extend in the hollow of fin radiator 4, the wind that can be blown out all is applied to the condensation end 302 of fin radiator 4 and three-dimensional temperature-uniforming plate 3, can accelerate cooling of fin radiator 4 and condensation end 302 further.
Bulb metal housing 2 entirety adopts magnesium alloy materials preparation, and density is little, specific strength is high, good heat dissipation larger than elastic modelling quantity, shock absorbing are good, the corrosive nature of large, the resistance to organic matter of the load-carrying ability that withstands shocks and alkali is good.Therefore, select magnesium alloy to prepare bulb metal housing cover, possess good heat-radiation heat-dissipating performance, the heat that LED-COB light source is produced by heat radiation can be distributed fast, reduce the temperature of car light.
In a preferred embodiment of the invention, the thickness (caliber size) of condensation chamber 304 is greater than the thickness (caliber size) of evaporation cavity 303.Like this, the structure that condensation chamber 304 is comparatively large, evaporation cavity 303 is less, can form pressure reduction, thus can accelerate the flowing velocity of gas phase cooling fluid 9 between condensation chamber 304 and evaporation cavity 303, increases circulation rate and radiating efficiency.
In a preferred embodiment of the invention, the housing 306 of three-dimensional temperature-uniforming plate 3, fin radiator 4, fixed mount 6 and energising keyset 7 all adopt the red metal material of low thermal resistance to prepare, and can improve its heat dispersion further.
In a preferred embodiment of the invention, fan 5 is only had to be connected with fixed mount 6 and the keyset 7 that is energized by screw, remainder, comprises between three-dimensional temperature-uniforming plate 3, LED-COB light source 1, bulb metal housing 2, fin radiator 4, fixed mount 6 and energising keyset 7 and all adopts SAC environmental protection tin cream high-temperature soldering to connect.
This connected mode, make whole car light all better at the anti-shake performance of XYZ all directions, the bonding strength between each several part is high, sound construction, low thermal resistance, good heat dissipation.Found by thump testing inspection, the anti-seismic performance of this LED automobile head lamp is obviously better than other car lights existing.
In a preferred embodiment of the invention, the outside of bulb metal housing 2 arranges the syndeton of various shape or form as required, as draw-in groove, socket and clamp etc., makes it can be connected with various types of vehicle lamp assembly shell.Thus can directly replace original Halogen lamp LED or HID lamp, without the need to changing original vehicle lamp assembly shell, focusing is precisely, easy for installation, reduces cost simultaneously.
In a preferred embodiment of the invention, in the evaporation cavity of three-dimensional temperature-uniforming plate, many passages can be separated into by wick layer, gas phase cooling fluid is flowed in each bar passage, increase flowing velocity.Meanwhile, if when the phase change efficiency of the evaporation ends both sides of three-dimensional temperature-uniforming plate is unbalanced, the effect of adjustment can be played by the wick layer forming passage.
In sum, the LED automobile head lamp that the present embodiment provides is integrated with phase-change heat, metal fin heat conducting and radiating, wind-cooling heat dissipating and heat loss through radiation four kinds of heat dissipation technology means, efficiently the heat that LED-COB light source produces can be distributed in time, thus ensure that LED-COB light source remains on suitable operating temperature.Can be learnt by test, whole lamp works under 100 DEG C of environment, and bulb temperature differs within 10 DEG C with environment temperature, successively warm lower than diode PN.
The three-dimensional temperature-uniforming plate of "T"-shaped structure, the flow process of cooling fluid is shorter, and circulation rate is faster; The area of evaporation cavity and condensation chamber is larger, more easily and LED-COB light source and other radiating elements install, and heat radiator better effects if.
Integrally-built shockproof effect is good, sound construction; Easy for installation, focusing precisely, perfectly can be replaced original bulb, be applicable to various vehicle.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a LED automobile head lamp, is characterized in that, comprising: three-dimensional temperature-uniforming plate, LED-COB light source, bulb metal housing, fin radiator and fan;
Described three-dimensional temperature-uniforming plate comprises the evaporation cavity of hollow long slab shape and the plate shaped condensation chamber of hollow; Described evaporation cavity is vertically fixed on the surface of condensation chamber, and composition cross section is "T"-shaped stereochemical structure, and evaporation cavity and condensation chamber are vacuum chamber and fill cooling fluid, and the two is interconnected; The inwall of described evaporation cavity and condensation chamber arranges wick layer;
Described LED-COB light source is sticked on the outer surface of described evaporation cavity, is delivered to by heat in the evaporation cavity of three-dimensional temperature-uniforming plate;
The front end of described fin radiator is sticked on the outer surface of described condensation chamber, cools the condensation chamber of three-dimensional temperature-uniforming plate;
Described fan is arranged on the rear end of fin radiator, accelerates the cooling of fin radiator;
Described bulb metal housing is set in outside LED-COB light source and three-dimensional temperature-uniforming plate, and bulb metal housing adopts magnesium alloy materials.
2. LED automobile head lamp according to claim 1, is characterized in that, described evaporation cavity is rectangle, and condensation chamber is circular; And the thickness of described condensation chamber is greater than the thickness of evaporation cavity.
3. LED automobile head lamp according to claim 1, is characterized in that, described LED-COB light source is two groups, is sticked on two surfaces up and down of evaporation cavity respectively; And the gross thickness of described LED-COB light source and described evaporation cavity is no more than 3mm.
4. LED automobile head lamp according to claim 2, is characterized in that, described fin radiator is circular configuration, arranges 180 ° of parallel air paths outside it.
5. LED automobile head lamp according to claim 1, is characterized in that, also comprises fixed mount and energising keyset; Described fixed mount is superimposed together with energising keyset, is arranged between fin radiator and fan; Described energising keyset is fan and LED-COB light source power supply.
6. LED automobile head lamp according to claim 5, is characterized in that, described three-dimensional temperature-uniforming plate, fin radiator, fixed mount and energising keyset all adopt red metal to prepare.
7. LED automobile head lamp according to claim 6, is characterized in that, described fan is connected with fixed mount and the keyset that is energized by screw.
8. LED automobile head lamp according to claim 6, is characterized in that, all adopts SAC environmental protection tin cream high-temperature soldering to connect between described three-dimensional temperature-uniforming plate, LED-COB light source, bulb metal housing, fin radiator, fixed mount and energising keyset.
9. the LED automobile head lamp according to any one of claim 1 ~ 8, is characterized in that, also comprises the quartz glass protecting tube being sleeved on bulb metal housing outside.
10. LED automobile head lamp according to claim 9, is characterized in that, described bulb metal housing arranges draw-in groove, socket and clamp, is connected with various types of vehicle lamp assembly shell.
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510947095.2A CN105371214A (en) | 2015-12-16 | 2015-12-16 | LED automobile head lamp |
| CN201610346070.1A CN105972535B (en) | 2015-12-16 | 2016-05-20 | A kind of LED automobile head lamp |
| JP2016127164A JP2017112087A (en) | 2015-12-16 | 2016-06-28 | Led vehicle headlight |
| CN201620713606.4U CN206056361U (en) | 2015-12-16 | 2016-07-06 | Temperature-uniforming plate |
| CN201610532707.6A CN106197104B (en) | 2015-12-16 | 2016-07-06 | Hot superconductive temperature equalizing radiator of 3 D stereo and preparation method thereof |
| PCT/CN2016/095323 WO2017101474A1 (en) | 2015-12-16 | 2016-08-15 | 三维立体均温板及其制备方法及汽车头灯 three-dimensional vapor chamber, and manufacturing method therefor, and automotive headlamp |
| JP2016567901A JP6407307B2 (en) | 2015-12-16 | 2016-08-15 | Vapor chamber, manufacturing method thereof, and vehicle headlight |
| TW105127450A TWI633268B (en) | 2015-12-16 | 2016-08-26 | Three-dimensional three-dimensional uniform temperature plate, preparation method thereof and automobile headlight |
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| CN201510947095.2A CN105371214A (en) | 2015-12-16 | 2015-12-16 | LED automobile head lamp |
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| CN201510947095.2A Pending CN105371214A (en) | 2015-12-16 | 2015-12-16 | LED automobile head lamp |
| CN201610346070.1A Active CN105972535B (en) | 2015-12-16 | 2016-05-20 | A kind of LED automobile head lamp |
| CN201610532707.6A Active CN106197104B (en) | 2015-12-16 | 2016-07-06 | Hot superconductive temperature equalizing radiator of 3 D stereo and preparation method thereof |
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| CN201610346070.1A Active CN105972535B (en) | 2015-12-16 | 2016-05-20 | A kind of LED automobile head lamp |
| CN201610532707.6A Active CN106197104B (en) | 2015-12-16 | 2016-07-06 | Hot superconductive temperature equalizing radiator of 3 D stereo and preparation method thereof |
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| Country | Link |
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| JP (2) | JP2017112087A (en) |
| CN (3) | CN105371214A (en) |
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-
2015
- 2015-12-16 CN CN201510947095.2A patent/CN105371214A/en active Pending
-
2016
- 2016-05-20 CN CN201610346070.1A patent/CN105972535B/en active Active
- 2016-06-28 JP JP2016127164A patent/JP2017112087A/en active Pending
- 2016-07-06 CN CN201610532707.6A patent/CN106197104B/en active Active
- 2016-08-15 WO PCT/CN2016/095323 patent/WO2017101474A1/en active Application Filing
- 2016-08-15 JP JP2016567901A patent/JP6407307B2/en active Active
- 2016-08-26 TW TW105127450A patent/TWI633268B/en active
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| WO2017101474A1 (en) * | 2015-12-16 | 2017-06-22 | 广州共铸科技股份有限公司 | 三维立体均温板及其制备方法及汽车头灯 three-dimensional vapor chamber, and manufacturing method therefor, and automotive headlamp |
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| CN109386761B (en) * | 2017-08-09 | 2021-04-16 | 深圳市海洋王照明工程有限公司 | LED platform lamp |
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| CN112040719B (en) * | 2017-12-26 | 2023-04-25 | 讯凯国际股份有限公司 | Heat dissipation structure |
| WO2020103957A1 (en) * | 2018-04-18 | 2020-05-28 | 广州市浩洋电子股份有限公司 | Efficient plate-tube-type heat exchanger |
| CN108895321A (en) * | 2018-07-24 | 2018-11-27 | 佛山市南海格林灯饰有限公司 | A kind of lantern |
| CN108916801A (en) * | 2018-08-08 | 2018-11-30 | 海蓝星光学科技(东莞)有限公司 | A kind of great power LED front headlight of motor vehicle of included fixing device for installing |
| CN109519723A (en) * | 2018-11-07 | 2019-03-26 | 众普森科技（株洲）有限公司 | Lamps and lanterns |
| CN109519723B (en) * | 2018-11-07 | 2023-10-24 | 众普森科技（株洲）有限公司 | Lamp set |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106197104B (en) | 2019-03-01 |
| JP2017112087A (en) | 2017-06-22 |
| TW201723412A (en) | 2017-07-01 |
| JP6407307B2 (en) | 2018-10-17 |
| TWI633268B (en) | 2018-08-21 |
| JP2018506163A (en) | 2018-03-01 |
| WO2017101474A1 (en) | 2017-06-22 |
| CN105972535B (en) | 2018-11-27 |
| CN106197104A (en) | 2016-12-07 |
| CN105972535A (en) | 2016-09-28 |
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