CN110081385A - The device and heat dissipating method of LED automobile headlamp active heat removal efficiency are improved using fan dome - Google Patents
The device and heat dissipating method of LED automobile headlamp active heat removal efficiency are improved using fan dome Download PDFInfo
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- CN110081385A CN110081385A CN201910278769.2A CN201910278769A CN110081385A CN 110081385 A CN110081385 A CN 110081385A CN 201910278769 A CN201910278769 A CN 201910278769A CN 110081385 A CN110081385 A CN 110081385A
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- Prior art keywords
- fan
- radiating block
- pod
- automobile headlamp
- removal efficiency
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Classifications
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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]
-
- 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
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/25—Projection lenses
-
- 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
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
-
- 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
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
- F21S41/36—Combinations of two or more separate reflectors
-
- 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
-
- 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
- F21S45/48—Passive cooling, e.g. using fins, thermal conductive elements or openings with means for conducting heat from the inside to the outside of the lighting devices, e.g. with fins on the outer surface of the lighting device
-
- 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
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
- F21V19/003—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
-
- 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
-
- 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
- F21V29/71—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements
-
- 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
-
- 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
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
-
- 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
- F21V7/00—Reflectors for light sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Abstract
The invention belongs to headlight for vehicles technical fields, are related to a kind of device and heat dissipating method that LED automobile headlamp active heat removal efficiency is improved using fan dome.It includes mirror body, lamp plate is equipped in mirror body, mirror body is externally provided with fan and radiating block, the axial line of fan and radiating block is parallel to each other, pod is additionally provided on mirror body, the pod is disposed around the one end of radiating block far from fan, and pod is open-ended towards lamp plate.After the present invention is configured with pod, air can directly be cooled down headlight surface, after cooperating radiating block, be achieved the effect that headlight entirety fast cooling, to accelerate heat transfer rate, extend headlight service life.
Description
Technical field
The invention belongs to headlight for vehicles technical fields, are related to a kind of utilization fan dome raising LED automobile headlamp active
The device of radiating efficiency.
Background technique
It is well known that LED headlight calorific value is big, when continuing working under high temperature environment, it may occur that power is low, light decay, longevity
Situations such as life decline, failure, therefore, LED headlight heat dissipation performance determines service life to a certain extent.The prior art dissipates
Heat mainly relies on heat-radiation belt and two kinds of fan, says from working method, fan is active heat removal, and heat-radiation belt is passively to radiate.
When using fan cooling, usually collocation radiating block, radiating block pass through heat transfer for lamp plate heat transfer to radiating block
On, fan exchanges heat to radiating block by air circulation, achievees the effect that fast cooling.During air circulation, headlight
The air of surrounding, to radiating block, can not form directional stream-guidance effect in undirectional flow, in other words, cannot be by the sky around lamp plate
Gas is directly directed to radiating block and carries out heat exchange processing.
Summary of the invention
Regarding the issue above, the present invention provides a kind of improve LED automobile headlamp actively using fan dome
The device of radiating efficiency.
It is another object of the present invention in view of the above-mentioned problems, providing a kind of heat dissipating method.
In order to achieve the above objectives, present invention employs following technical proposals:
A kind of device improving LED automobile headlamp active heat removal efficiency using fan dome, including mirror body, instead
It penetrates and is equipped with lamp plate in illuminating apparatus structure, mirror body is externally provided with fan and radiating block, and the axial line of fan and radiating block is parallel to each other,
Pod is additionally provided on mirror body, which is disposed around the one end of radiating block far from fan, and the end of pod
It is open towards lamp plate.
In the above-mentioned device for improving LED automobile headlamp active heat removal efficiency using fan dome, the reflection
Illuminating apparatus structure includes the first mirror assembly and the second mirror assembly interconnected, and fan is located on the first mirror assembly,
Radiating block is between the first mirror assembly and the second mirror assembly and radiating block is corresponding with the position of fan, and second is anti-
Mirror assembly is penetrated equipped with pod, the pod be disposed around radiating block far from the end of fan outside.
In the above-mentioned device for improving LED automobile headlamp active heat removal efficiency using fan dome, mirror body
It further include lens, lens and fan are located at the both ends of mirror body, and between lens and fan, described leads lamp plate
The opening of cover is flowed towards lens.
In the above-mentioned device for improving LED automobile headlamp active heat removal efficiency using fan dome, the heat dissipation
Block has the heat-conducting plate to mirror body internal stretch, and lamp plate is arranged on heat-conducting plate, in second mirror assembly
Equipped with radiating block accommodating cavity, pod is located at outside radiating block accommodating cavity, and radiating block is inserted into radiating block accommodating cavity, described
The opening of pod is towards heat-conducting plate.
In the above-mentioned device for improving LED automobile headlamp active heat removal efficiency using fan dome, described first
Mirror assembly is equipped with the air-out chamber to match with fan, and the position of the air-out chamber and the position of radiating block are corresponding.
In the above-mentioned device for improving LED automobile headlamp active heat removal efficiency using fan dome, the water conservancy diversion
Cover inner surface is in smooth cambered surface.
In the above-mentioned device for improving LED automobile headlamp active heat removal efficiency using fan dome, the lamp plate
Several lamp beads are equipped with, the line of the central point of several lamp beads is not on the same line.
In the above-mentioned device for improving LED automobile headlamp active heat removal efficiency using fan dome, the heat dissipation
Block includes several cooling fins arranged in parallel, and the both ends of cooling fin each extend over out upper and lower two surfaces of heat-conducting plate.
In the above-mentioned device for improving LED automobile headlamp active heat removal efficiency using fan dome, the heat dissipation
Plane locating for piece is vertical with plane locating for heat-conducting plate, and heat-conducting plate end is connect with cooling fin, every two pieces of adjacent heat dissipations
There is gap between piece.
In the above-mentioned device for improving LED automobile headlamp active heat removal efficiency using fan dome, described first
Mirror assembly includes the first reflector, and second mirror assembly includes the second reflector, the first reflector and second
The position of reflector is corresponding.
It is a kind of to be radiated according to the above-mentioned device for improving LED automobile headlamp active heat removal efficiency with fan dome
Method, lamp plate work when, open fan, by radiating block air be sucked out, radiating block generate negative pressure, air through pod into
Enter into radiating block.
Compared with prior art, the present invention has the advantages that
After being configured with pod, air can directly be cooled down headlight surface, after cooperating radiating block, reach whole to headlight
The effect of body fast cooling extends headlight service life to accelerate heat transfer rate.
Further advantage, target and feature of the invention will be partially reflected by the following instructions, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is schematic diagram of internal structure of the invention.
Fig. 3 is explosive view of the invention.
In figure: mirror body 1, lamp plate 2, fan 3, radiating block 4, pod 5, the reflection of the first mirror assembly 6, second
Mirror assembly 7, lens 8, heat-conducting plate 9, radiating block accommodating cavity 10, air-out chamber 11, lamp bead 12, cooling fin 13, the first reflector 14,
Two reflectors 15.
Arrow in Fig. 2 is air flow direction.
Specific embodiment
Invention is further explained with reference to the accompanying drawing.
Embodiment 1
As depicted in figs. 1 and 2, a kind of device improving LED automobile headlamp active heat removal efficiency using fan dome, packet
Mirror body 1 is included, is equipped with lamp plate 2 in mirror body 1, lamp plate 2 generates light source by LED lamp bead, and mirror body 1 is externally provided with
The axial line of fan 3 and radiating block 4, fan 3 and radiating block 4 is parallel to each other, and pod 5 is additionally provided on mirror body 1,
The pod 5 is disposed around the one end of radiating block 4 far from fan, and pod 5 is open-ended towards lamp plate 2.
It is well known that LED headlight calorific value is big, when continuing working under high temperature environment, it may occur that power is low, light decay, longevity
Situations such as life decline, failure, therefore, LED headlight heat dissipation performance determines service life to a certain extent.The prior art dissipates
Heat mainly relies on heat-radiation belt and two kinds of fan, says from working method, fan is active heat removal, and heat-radiation belt is passively to radiate.
When using fan cooling, usually collocation radiating block, radiating block pass through heat transfer for lamp plate heat transfer to radiating block
On, fan exchanges heat to radiating block by air circulation, achievees the effect that fast cooling.During air circulation, headlight
The air of surrounding, to radiating block, can not form directional stream-guidance effect in undirectional flow, in other words, cannot be by the sky around lamp plate
Gas is directly directed to radiating block and carries out heat exchange processing.
In the present embodiment, it is provided with pod 5, the opening of pod 5 is towards lamp plate 2, when fan starts, by right
The setting that fan turns to makes wind pass through radiating block and blow out from fan, and air is flowed into radiating block by the opening of pod 5,
Since pod 5 is open towards lamp plate 2, lamp plate 2, which is sent out hot-air thermogenetic and can be directly inhaled into from pod 5, goes forward side by side
Enter into radiating block, and the lower air of external temperature can flow near lamp plate 2, namely played and changed to lamp plate by air
Heat effect, and on the other hand, the cooperation of radiating block and fan again directly exchanges heat to lamp plate by heat transfer, make lamp plate namely
The temperature of entire headlight is quickly cooled down, to improve the performance of headlight, extends the service life of headlight.
In the present embodiment, mirror body 1 includes the first mirror assembly 6 interconnected and the second mirror assembly
7, the first mirror assembly 6 and the second mirror assembly 7 are connected with each other, and fan 3 is located on the first mirror assembly 6, radiating block
4 between the first mirror assembly 6 and the second mirror assembly 7 and radiating block 4 is corresponding with the position of fan 3, and fan 3 can
It draws air by radiating block 4, the second mirror assembly 7 is equipped with pod 5, and it is remote which is disposed around radiating block 4
Outside end from fan 3, pod 5 plays air guiding mobilization.
Mirror body 1 further includes lens 8, and lens 8 and fan 3 are located at the both ends of mirror body 1, and lamp plate 2
Between lens 8 and fan 3, the opening of the pod 5 is towards lens 8.
First mirror assembly 6 includes the first reflector 14, and second mirror assembly 7 includes the second reflector
15, the first reflector 14 is corresponding with the position of the second reflector 15.
In air flow process, due to the effect of pod 5, air flows to radiating block through lens 8, the first reflector 14
4, cold air continues to flow through lens and the first reflector surface, plays the role of air heat-exchange.
In conjunction with shown in Fig. 2 and Fig. 3, radiating block 4 has the heat-conducting plate 9 to 1 internal stretch of mirror body, and lamp plate 2 is arranged
On heat-conducting plate 9, it is equipped with radiating block accommodating cavity 10 in second mirror assembly 7, pod 5 is located at radiating block accommodating cavity
Outside 10, radiating block 4 is inserted into radiating block accommodating cavity 10, and the opening of the pod 5 is towards heat-conducting plate 9.Heat-conducting plate 9 is used
Metal production, preferably aluminium alloy, connect with radiating block 4, and the heat that lamp plate 2 generates passes to radiating block 4 by heat-conducting plate,
Air and radiating block 4 carry out heat exchange, carry out heat transfer, reach cooling purpose.
As shown in figure 3, the first mirror assembly 6 is equipped with the air-out chamber 11 to match with fan 3, the air-out chamber 11
Position it is corresponding with the position of radiating block 4, air-out chamber 11 plays buffer function, and air is enable sufficiently to exchange heat with radiating block 4.
5 inner surface of pod is in smooth cambered surface, is flowed convenient for air, accelerates air movement, exchanges heat with radiating block,
To improve heat transfer effect.
Lamp plate 2 is equipped with several lamp beads 12, and the line of the central point of several lamp beads 12 is not on the same line.
It will be appreciated by those skilled in the art that lamp bead 12 can be one, it is also possible to two or more.When lamp bead have it is more
When, in order to improve the utilization rate of light source, configured in the present embodiment using non-linear, improve the utilization rate of LED lamp bead light source.
Preferably, the present embodiment uses three lamp beads, and for a lamp bead among lamp plate 2, which is respectively set a lamp bead, and
Angle between the lamp bead of two sides and the lamp bead of centre is in obtuse angle.
Radiating block 4 includes several cooling fins 13 arranged in parallel, and the both ends of cooling fin 13 each extend over out heat-conducting plate 9
Upper and lower two surfaces it is equal to play both sides it is furthermore preferred that the center line of cooling fin 13 is located in plane locating for heat-conducting plate 9
The effect of even heat exchange.
In the present embodiment, plane locating for cooling fin 13 is vertical with plane locating for heat-conducting plate 9, and 9 end of heat-conducting plate
It is connect with cooling fin, there is gap between every two pieces adjacent cooling fins 13, which exchanges heat for air circulation.
The course of work of the invention is:
Lamp bead 12 is generated heat when working, and in heat transfer to lamp plate 2, lamp plate 2 is transmitted on heat-conducting plate 9, passes through heat transfer, heat
Amount is transmitted on cooling fin 13.Fan 3 is opened, air is flowed into heat release hole 4 through pod 5, cooling fin 13 is changed
Heat.Air is in flow process, as described above, only lens surface and mirror surface, also changes lens and reflecting mirror
Heat namely cold air continue to flow through lens and reflecting mirror, to reach air effect directly cooling to lens and reflecting mirror heat exchange
After fruit, with radiating block cooperation, make headlight bulk temperature rapid decrease.
Embodiment 2
As shown in Fig. 2, the side radiated with the device that fan dome improves LED automobile headlamp active heat removal efficiency
Method opens fan 3 in lamp plate work, and the air in radiating block 4 is sucked out, and radiating block generates negative pressure, and air is through pod 5
It enters in radiating block.
Lamp bead 12 is generated heat when working, and in heat transfer to lamp plate 2, lamp plate 2 is transmitted on heat-conducting plate 9, passes through heat transfer, heat
Amount is transmitted on cooling fin 13.Fan 3 is opened, air is flowed into heat release hole 4 through pod 5, cooling fin 13 is changed
Heat.Air is in flow process, as described above, only lens surface and mirror surface, also changes lens and reflecting mirror
Heat namely cold air continue to flow through lens and reflecting mirror, to reach air effect directly cooling to lens and reflecting mirror heat exchange
After fruit, with radiating block cooperation, make headlight bulk temperature rapid decrease.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention.
Although more using mirror body 1, lamp plate 2, fan 3, radiating block 4, pod 5, the first reflecting mirror herein
Component 6, the second mirror assembly 7, lens 8, heat-conducting plate 9, radiating block accommodating cavity 10, air-out chamber 11, lamp bead 12, cooling fin 13,
The terms such as the first reflector 14, the second reflector 15, but it does not exclude the possibility of using other terms.Only using these terms
Merely to being more convenient to describe and explain essence of the invention, being construed as any additional limitation all is and this
What spirit was disagreed.
Claims (10)
1. a kind of device that LED automobile headlamp active heat removal efficiency is improved using fan dome, including mirror body (1),
It is characterized in that, being equipped with lamp plate (2) in mirror body (1), mirror body (1) is externally provided with fan (3) and radiating block (4),
The axial line of fan (3) and radiating block (4) is parallel to each other, and pod (5), the pod are additionally provided on mirror body (1)
(5) it is disposed around the one end of radiating block (4) far from fan, and pod (5) is open-ended towards lamp plate (2).
2. the device according to claim 1 for improving LED automobile headlamp active heat removal efficiency using fan dome, special
Sign is, the mirror body (1) includes the first mirror assembly (6) interconnected and the second mirror assembly (7),
Fan (3) is located on the first mirror assembly (6), and radiating block (4) is located at the first mirror assembly (6) and the second mirror assembly
(7) between and radiating block (4) is corresponding with the position of fan (3), and the second mirror assembly (7) is equipped with pod (5), this is led
Stream cover (5) is disposed around outside the end of radiating block (4) separate fan (3).
3. the device according to claim 2 for improving LED automobile headlamp active heat removal efficiency using fan dome, special
Sign is that mirror body (1) further includes lens (8), and lens (8) and fan (3) are located at the two of mirror body (1)
End, lamp plate (2) are located between lens (8) and fan (3), and towards lens (8), described leads the opening of the pod (5)
Stream cover (5) inner surface is in smooth cambered surface.
4. the device according to claim 3 for improving LED automobile headlamp active heat removal efficiency using fan dome, special
Sign is that the radiating block (4) has the heat-conducting plate (9) to mirror body (1) internal stretch, and lamp plate (2) setting is being led
On hot plate (9), radiating block accommodating cavity (10) are equipped in second mirror assembly (7), pod (5) is located at radiating block appearance
It is external to set chamber (10), radiating block (4) is inserted into radiating block accommodating cavity (10), and the opening of the pod (5) is towards thermally conductive
Plate (9).
5. the device according to claim 2 for improving LED automobile headlamp active heat removal efficiency using fan dome, special
Sign is that first mirror assembly (6) is equipped with the air-out chamber (11) to match with fan (3), the air-out chamber
(11) position is corresponding with the position of radiating block (4).
6. the device according to claim 4 for improving LED automobile headlamp active heat removal efficiency using fan dome, special
Sign is that the lamp plate (2) is equipped with several lamp beads (12), and the line of the central point of several lamp beads (12) is not the same as always
On line.
7. the device according to claim 6 for improving LED automobile headlamp active heat removal efficiency using fan dome, special
Sign is that the radiating block (4) includes several cooling fins arranged in parallel (13), and the both ends of cooling fin (13) are prolonged respectively
Stretch out upper and lower two surfaces of heat-conducting plate (9).
8. the device according to claim 7 for improving LED automobile headlamp active heat removal efficiency using fan dome, special
Sign is that plane locating for the cooling fin (13) is vertical with plane locating for heat-conducting plate (9), and heat-conducting plate (9) end with
Cooling fin connects, and has gap between every two pieces of adjacent cooling fins (13).
9. the device according to claim 2 for improving LED automobile headlamp active heat removal efficiency using fan dome, special
Sign is that first mirror assembly (6) includes the first reflector (14), and second mirror assembly (7) includes
Second reflector (15), the first reflector (14) are corresponding with the position of the second reflector (15).
10. improving LED automobile headlamp active heat removal using fan dome described in a kind of -9 any one according to claim 1
The method that the device of efficiency radiates, which is characterized in that in lamp plate work, open fan, the air in radiating block is inhaled
Out, radiating block generates negative pressure, and air enters in radiating block through pod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910278769.2A CN110081385A (en) | 2019-04-09 | 2019-04-09 | The device and heat dissipating method of LED automobile headlamp active heat removal efficiency are improved using fan dome |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910278769.2A CN110081385A (en) | 2019-04-09 | 2019-04-09 | The device and heat dissipating method of LED automobile headlamp active heat removal efficiency are improved using fan dome |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110081385A true CN110081385A (en) | 2019-08-02 |
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ID=67414572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910278769.2A Pending CN110081385A (en) | 2019-04-09 | 2019-04-09 | The device and heat dissipating method of LED automobile headlamp active heat removal efficiency are improved using fan dome |
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| CN (1) | CN110081385A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103119360A (en) * | 2010-07-26 | 2013-05-22 | 法雷奥照明公司 | Optical module of an illuminating and/or signalling device of a motor vehicle |
| CN204962532U (en) * | 2015-09-28 | 2016-01-13 | 台州探陆泽汽配有限公司 | Heat dissipation car light |
| CN209944217U (en) * | 2019-04-09 | 2020-01-14 | 浙江天翀车灯集团有限公司 | Device for improving active heat dissipation efficiency of LED automobile headlamp by utilizing fan dome |
-
2019
- 2019-04-09 CN CN201910278769.2A patent/CN110081385A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103119360A (en) * | 2010-07-26 | 2013-05-22 | 法雷奥照明公司 | Optical module of an illuminating and/or signalling device of a motor vehicle |
| CN204962532U (en) * | 2015-09-28 | 2016-01-13 | 台州探陆泽汽配有限公司 | Heat dissipation car light |
| CN209944217U (en) * | 2019-04-09 | 2020-01-14 | 浙江天翀车灯集团有限公司 | Device for improving active heat dissipation efficiency of LED automobile headlamp by utilizing fan dome |
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