CN209944217U - Device for improving active heat dissipation efficiency of LED automobile headlamp by utilizing fan dome - Google Patents
Device for improving active heat dissipation efficiency of LED automobile headlamp by utilizing fan dome Download PDFInfo
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- CN209944217U CN209944217U CN201920472490.3U CN201920472490U CN209944217U CN 209944217 U CN209944217 U CN 209944217U CN 201920472490 U CN201920472490 U CN 201920472490U CN 209944217 U CN209944217 U CN 209944217U
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- guide sleeve
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Abstract
The utility model belongs to the technical field of the car headlight, a utilize fan kuppe to improve device of LED car headlight initiative radiating efficiency is related to. It includes speculum mechanism, is equipped with the lamp plate in the speculum mechanism, and speculum mechanism is equipped with fan and radiating block outward, and the axial lead of fan and radiating block is parallel to each other, still is equipped with the kuppe in speculum mechanism, and this kuppe encloses the one end of establishing at the radiating block and keeping away from the fan, and the tip opening of kuppe is towards the lamp plate. The utility model discloses having configured the kuppe after, the air can directly cool off the headlight surface, cooperates the radiating block after, reaches the effect to the whole rapid cooling of headlight to accelerate heat transfer speed, extension headlight life.
Description
Technical Field
The utility model belongs to the technical field of the car headlight, a utilize fan kuppe to improve device of LED car headlight initiative radiating efficiency is related to.
Background
As is known, the LED headlamp has a large heat value, and when the LED headlamp continuously operates in a high-temperature environment, the LED headlamp has low power, light attenuation, reduced lifetime, and failure, and thus the heat dissipation performance of the LED headlamp determines the service life to a certain extent. The heat dissipation of the prior art mainly depends on two types, namely a heat dissipation belt and a fan, from the working mode, the fan actively dissipates heat, and the heat dissipation belt passively dissipates heat.
When using the fan heat dissipation, the radiating block of arranging usually, on the radiating block transmitted the lamp plate heat to the radiating block through heat-conduction, the fan carried out the heat transfer through the circulation of air to the radiating block, reached rapid cooling's effect. In the air circulation process, the air around the headlamp is in a non-directional flow direction to the radiating block, so that a directional flow guide effect cannot be formed, in other words, the air around the lamp panel cannot be directly guided to the radiating block to perform heat exchange treatment.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above problem, a provide an utilize fan kuppe to improve LED car headlight initiative radiating efficiency's device.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
the utility model provides an utilize fan kuppe to improve device of LED car headlight initiative radiating efficiency, includes speculum mechanism, is equipped with the lamp plate in the speculum mechanism, and speculum mechanism is equipped with fan and radiating block outward, and the axial lead of fan and radiating block is parallel to each other, still is equipped with the kuppe in speculum mechanism, and this kuppe encloses the one end of establishing at the radiating block and keeping away from the fan, and the tip opening of kuppe is towards the lamp plate.
In the above device for improving the active heat dissipation efficiency of the LED car headlamp by using the fan dome, the reflector mechanism includes a first reflector component and a second reflector component connected to each other, the fan is located on the first reflector component, the heat dissipation block is located between the first reflector component and the second reflector component and corresponds to the fan, the second reflector component is provided with the dome, and the dome surrounds the end of the heat dissipation block away from the fan.
In the above device for improving the active heat dissipation efficiency of the LED automobile headlamp by using the fan dome, the reflector mechanism further comprises a lens, the lens and the fan are respectively located at two ends of the reflector mechanism, the lamp panel is located between the lens and the fan, and the opening of the dome faces the lens.
In the above device for improving the active heat dissipation efficiency of the LED automobile headlamp by using the fan air guide sleeve, the heat dissipation block is provided with a heat conduction plate extending towards the inside of the reflector mechanism, the lamp plate is arranged on the heat conduction plate, the second reflector assembly is internally provided with a heat dissipation block accommodating cavity, the air guide sleeve is positioned outside the heat dissipation block accommodating cavity, the heat dissipation block is inserted into the heat dissipation block accommodating cavity, and the opening of the air guide sleeve faces towards the heat conduction plate.
In the device for improving the active heat dissipation efficiency of the LED automobile headlamp by using the fan dome, the first reflector assembly is provided with the air outlet cavity matched with the fan, and the position of the air outlet cavity corresponds to the position of the heat dissipation block.
In the device for improving the active heat dissipation efficiency of the LED automobile headlamp by using the fan dome, the inner surface of the dome is a smooth cambered surface.
In the above device for improving the active heat dissipation efficiency of the LED automobile headlamp by using the fan dome, the lamp panel is provided with a plurality of lamp beads, and the connecting lines of the central points of the plurality of lamp beads are not on the same straight line.
In the device for improving the active heat dissipation efficiency of the LED automobile headlamp by using the fan dome, the heat dissipation block comprises a plurality of heat dissipation fins which are arranged in parallel, and the two ends of each heat dissipation fin respectively extend out of the upper surface and the lower surface of the heat conduction plate.
In the device for improving the active heat dissipation efficiency of the LED automobile headlamp by using the fan dome, the plane where the heat dissipation fins are located is perpendicular to the plane where the heat conduction plate is located, the end part of the heat conduction plate is connected with the heat dissipation fins, and a gap is formed between every two adjacent heat dissipation fins.
In the above device for improving the active heat dissipation efficiency of the LED car headlamp by using the fan dome, the first reflector assembly includes a first reflector, the second reflector assembly includes a second reflector, and the first reflector corresponds to the second reflector.
Compared with the prior art, the utility model has the advantages of:
after the dome is configured, the air can directly cool the surface of the headlamp, and the effect of quickly cooling the whole headlamp is achieved after the dome is matched with the radiating block, so that the heat exchange speed is accelerated, and the service life of the headlamp is prolonged.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of the internal structure of the present invention.
Fig. 3 is an exploded view of the present invention.
In the figure: reflector mechanism 1, lamp plate 2, fan 3, radiating block 4, kuppe 5, first reflector subassembly 6, second reflector subassembly 7, lens 8, heat-conducting plate 9, radiating block holding chamber 10, air-out chamber 11, lamp pearl 12, fin 13, first bowl 14, second bowl 15.
The arrows in fig. 2 indicate the air flow direction.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, a device for improving the active heat dissipation efficiency of an LED car headlamp by using a fan dome, comprising a reflector mechanism 1, wherein a lamp panel 2 is arranged in the reflector mechanism 1, the lamp panel 2 generates a light source by an LED lamp bead, the reflector mechanism 1 is externally provided with a fan 3 and a heat dissipation block 4, the axial leads of the fan 3 and the heat dissipation block 4 are parallel to each other, the reflector mechanism 1 is further provided with a dome 5, the dome 5 surrounds one end of the heat dissipation block 4 away from the fan, and the end opening of the dome 5 faces the lamp panel 2.
As is known, the LED headlamp has a large heat value, and when the LED headlamp continuously operates in a high-temperature environment, the LED headlamp has low power, light attenuation, reduced lifetime, and failure, and thus the heat dissipation performance of the LED headlamp determines the service life to a certain extent. The heat dissipation of the prior art mainly depends on two types, namely a heat dissipation belt and a fan, from the working mode, the fan actively dissipates heat, and the heat dissipation belt passively dissipates heat.
When using the fan heat dissipation, the radiating block of arranging usually, on the radiating block transmitted the lamp plate heat to the radiating block through heat-conduction, the fan carried out the heat transfer through the circulation of air to the radiating block, reached rapid cooling's effect. In the air circulation process, the air around the headlamp is in a non-directional flow direction to the radiating block, so that a directional flow guide effect cannot be formed, in other words, the air around the lamp panel cannot be directly guided to the radiating block to perform heat exchange treatment.
In this embodiment, the kuppe 5 has been set up, the opening of kuppe 5 is towards lamp plate 2, when the fan begins, through the setting that turns to the fan, make wind pass the radiating block and blow off from the fan, and the air flows in the radiating block by kuppe 5 opening, because kuppe 5 opening is towards lamp plate 2, consequently hot air that lamp plate 2 generates heat and produces can directly be inhaled and enter into the radiating block from kuppe 5, and the lower air of outside temperature will flow to near lamp plate 2, also play the heat transfer effect to the lamp plate through the air, and on the other hand, the cooperation of radiating block and fan is direct again through heat-conduction to carry out the heat transfer to the lamp plate, the temperature that makes the lamp plate also be whole headlight obtains quick cooling, thereby improve the performance of headlight, the life of extension headlight.
In this embodiment, the mirror mechanism 1 includes a first mirror assembly 6 and a second mirror assembly 7 that are connected to each other, the first mirror assembly 6 and the second mirror assembly 7 are connected to each other, the fan 3 is located on the first mirror assembly 6, the heat dissipation block 4 is located between the first mirror assembly 6 and the second mirror assembly 7, and the heat dissipation block 4 corresponds to the position of the fan 3, the fan 3 can suck air through the heat dissipation block 4, the second mirror assembly 7 is provided with the air guide cover 5, the air guide cover 5 is enclosed and arranged outside the end portion of the heat dissipation block 4 away from the fan 3, and the air guide cover 5 plays a role in guiding air flow.
The reflector mechanism 1 further comprises a lens 8, the lens 8 and the fan 3 are respectively located at two ends of the reflector mechanism 1, the lamp panel 2 is located between the lens 8 and the fan 3, and the opening of the air guide sleeve 5 faces the lens 8.
The first mirror assembly 6 comprises a first reflector 14, the second mirror assembly 7 comprises a second reflector 15, and the first reflector 14 corresponds to the second reflector 15.
In the air flowing process, due to the function of the air guide sleeve 5, air flows to the heat dissipation block 4 through the lens 8 and the first reflector 14, and cold air continuously flows through the lens and the surface of the first reflector to play a role in air heat exchange.
Combine fig. 2 and 3 to show, the radiating block 4 has the heat-conducting plate 9 to the inside extension of reflector mechanism 1, and lamp plate 2 sets up on heat-conducting plate 9, second mirror subassembly 7 in be equipped with radiating block holding chamber 10, kuppe 5 is located radiating block holding chamber 10 outsidely, radiating block 4 inserts radiating block holding chamber 10 in, the opening of kuppe 5 towards heat-conducting plate 9. The heat conducting plate 9 is made of metal, preferably aluminum alloy, and is connected with the radiating block 4, heat generated by the lamp panel 2 is transferred to the radiating block 4 through the heat conducting plate, and air exchanges heat with the radiating block 4 to conduct heat so as to achieve the purpose of cooling.
As shown in fig. 3, the first reflector assembly 6 is provided with an air outlet cavity 11 matched with the fan 3, the position of the air outlet cavity 11 corresponds to the position of the heat dissipation block 4, and the air outlet cavity 11 plays a role in buffering, so that air and the heat dissipation block 4 can exchange heat sufficiently.
The inner surface of the air guide sleeve 5 is a smooth cambered surface, so that air can flow conveniently, air movement is accelerated, and heat exchange is carried out between the air guide sleeve and the heat dissipation block, so that the heat exchange effect is improved.
The lamp panel 2 is provided with a plurality of lamp beads 12, and the connection lines of the central points of the lamp beads 12 are not on the same straight line.
It should be understood by those skilled in the art that the number of the lamp beads 12 may be one, or two or more. When there are a plurality of lamp beads, in order to improve the utilization rate of the light source, the non-linear configuration is adopted in this embodiment, so as to improve the utilization rate of the light source of the LED lamp bead. Preferably, this embodiment adopts three lamp pearls, and a lamp pearl is in the middle of lamp plate 2, and this lamp pearl both sides set up a lamp pearl respectively, and the lamp pearl of both sides and the contained angle between the lamp pearl of centre are the obtuse angle.
The radiating block 4 comprises a plurality of radiating fins 13 which are arranged in parallel, the two ends of each radiating fin 13 respectively extend out of the upper surface and the lower surface of the heat conducting plate 9, and more optionally, the central line of each radiating fin 13 is positioned on the plane where the heat conducting plate 9 is positioned, so that the effect of uniform heat exchange on the two sides is achieved.
In the embodiment, the plane of the heat dissipation fins 13 is perpendicular to the plane of the heat conduction plate 9, the end of the heat conduction plate 9 is connected with the heat dissipation fins, and a gap is formed between every two adjacent heat dissipation fins 13 and used for air circulation and heat exchange.
The utility model discloses a working process is:
the 12 during operation of lamp pearl generate heat, and on heat transfer reached lamp plate 2, on lamp plate 2 transferred heat-conducting plate 9, through heat-conduction, heat transfer reached on fin 13. And starting the fan 3 to enable air to flow into the heat dissipation holes 4 through the air guide sleeve 5 to exchange heat with the heat dissipation fins 13. In the flowing process of the air, as mentioned above, only the surface of the lens and the surface of the reflector exchange heat with the lens and the reflector, that is, the cold air continuously flows through the lens and the reflector, so that the effect of directly exchanging heat and cooling the lens and the reflector by the air is achieved, and after the air is matched with the radiating block, the overall temperature of the headlamp is rapidly reduced.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein will be apparent to those skilled in the art without departing from the spirit of the invention.
Although the terms of the reflector mechanism 1, the lamp panel 2, the fan 3, the heat dissipation block 4, the air guide sleeve 5, the first reflector assembly 6, the second reflector assembly 7, the lens 8, the heat conduction plate 9, the heat dissipation block accommodating cavity 10, the air outlet cavity 11, the lamp bead 12, the heat dissipation sheet 13, the first reflector 14, the second reflector 15, etc. are used more frequently herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and should not be interpreted as imposing any additional limitations that are contrary to the spirit of the present invention.
Claims (10)
1. The utility model provides an utilize fan kuppe to improve device of LED car headlight initiative radiating efficiency, including speculum mechanism (1), a serial communication port, be equipped with lamp plate (2) in speculum mechanism (1), speculum mechanism (1) is equipped with fan (3) and radiating block (4) outward, the axial lead of fan (3) and radiating block (4) is parallel to each other, still be equipped with kuppe (5) on speculum mechanism (1), this kuppe (5) enclose the one end of establishing keeping away from the fan in radiating block (4), and the tip opening of kuppe (5) is towards lamp plate (2).
2. The device for improving the active heat dissipation efficiency of the LED automobile headlamp by using the fan air guide sleeve as claimed in claim 1, wherein the reflector mechanism (1) comprises a first reflector component (6) and a second reflector component (7) which are connected with each other, the fan (3) is positioned on the first reflector component (6), the heat dissipation block (4) is positioned between the first reflector component (6) and the second reflector component (7) and the heat dissipation block (4) corresponds to the position of the fan (3), the air guide sleeve (5) is arranged on the second reflector component (7), and the air guide sleeve (5) is enclosed outside the end part, far away from the fan (3), of the heat dissipation block (4).
3. The device for improving the active heat dissipation efficiency of the LED automobile headlamp by using the fan air guide sleeve as claimed in claim 2, wherein the reflector mechanism (1) further comprises a lens (8), the lens (8) and the fan (3) are respectively positioned at two ends of the reflector mechanism (1), the lamp panel (2) is positioned between the lens (8) and the fan (3), and the opening of the air guide sleeve (5) faces the lens (8).
4. The device for improving the active heat dissipation efficiency of the LED automobile headlamp by using the fan and the air guide sleeve as claimed in claim 3, wherein the heat dissipation block (4) is provided with a heat conduction plate (9) extending towards the inside of the reflector mechanism (1), the lamp panel (2) is arranged on the heat conduction plate (9), the second reflector component (7) is internally provided with a heat dissipation block accommodating cavity (10), the air guide sleeve (5) is positioned outside the heat dissipation block accommodating cavity (10), the heat dissipation block (4) is inserted into the heat dissipation block accommodating cavity (10), and the opening of the air guide sleeve (5) faces towards the heat conduction plate (9).
5. The device for improving the active heat dissipation efficiency of the LED automobile headlamp by utilizing the fan dome as claimed in claim 2, wherein the first reflector assembly (6) is provided with an air outlet cavity (11) matched with the fan (3), and the position of the air outlet cavity (11) corresponds to the position of the heat dissipation block (4).
6. The device for improving the active heat dissipation efficiency of the LED automobile headlamp by using the fan air guide sleeve as claimed in claim 1 or 2, wherein the inner surface of the air guide sleeve (5) is a smooth cambered surface.
7. The device for improving the active heat dissipation efficiency of the LED automobile headlamp by using the fan dome as claimed in claim 4, wherein the lamp panel (2) is provided with a plurality of lamp beads (12), and the connection lines of the central points of the plurality of lamp beads (12) are not on the same straight line.
8. The device for improving the active heat dissipation efficiency of the LED automobile headlamp by using the fan dome as claimed in claim 7, wherein the heat dissipation block (4) comprises a plurality of heat dissipation fins (13) arranged in parallel, and two ends of each heat dissipation fin (13) extend out of the upper surface and the lower surface of the heat conduction plate (9).
9. The device for improving the active heat dissipation efficiency of the LED automobile headlamp by using the fan guide sleeve as claimed in claim 8, wherein the plane of the heat dissipation fin (13) is perpendicular to the plane of the heat conduction plate (9), the end of the heat conduction plate (9) is connected with the heat dissipation fin, and a gap is formed between every two adjacent heat dissipation fins (13).
10. The device for improving the active heat dissipation efficiency of the LED automobile headlamp by using the fan guide cover as claimed in claim 2, wherein the first reflector assembly (6) comprises a first reflector (14), the second reflector assembly (7) comprises a second reflector (15), and the first reflector (14) corresponds to the second reflector (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920472490.3U CN209944217U (en) | 2019-04-09 | 2019-04-09 | Device for improving active heat dissipation efficiency of LED automobile headlamp by utilizing fan dome |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920472490.3U CN209944217U (en) | 2019-04-09 | 2019-04-09 | Device for improving active heat dissipation efficiency of LED automobile headlamp by utilizing fan dome |
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| CN209944217U true CN209944217U (en) | 2020-01-14 |
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| CN201920472490.3U Active CN209944217U (en) | 2019-04-09 | 2019-04-09 | Device for improving active heat dissipation efficiency of LED automobile headlamp by utilizing fan dome |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081385A (en) * | 2019-04-09 | 2019-08-02 | 浙江天翀车灯集团有限公司 | The device and heat dissipating method of LED automobile headlamp active heat removal efficiency are improved using fan dome |
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2019
- 2019-04-09 CN CN201920472490.3U patent/CN209944217U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081385A (en) * | 2019-04-09 | 2019-08-02 | 浙江天翀车灯集团有限公司 | The device and heat dissipating method of LED automobile headlamp active heat removal efficiency are improved using fan dome |
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