JP2017112087A - Led vehicle headlight - Google Patents

Led vehicle headlight Download PDF

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Publication number
JP2017112087A
JP2017112087A JP2016127164A JP2016127164A JP2017112087A JP 2017112087 A JP2017112087 A JP 2017112087A JP 2016127164 A JP2016127164 A JP 2016127164A JP 2016127164 A JP2016127164 A JP 2016127164A JP 2017112087 A JP2017112087 A JP 2017112087A
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chamber
led
vehicle headlight
light source
finned radiator
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涛涛 賈
Taotao Jia
涛涛 賈
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Tonaco Auto Parts Co Ltd
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Tonaco Auto Parts Co Ltd
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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
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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

PROBLEM TO BE SOLVED: To provide an LED vehicle headlight showing a better heat radiation effect and stability in usage.SOLUTION: An LED vehicle headlight is comprised of a cubic vapor chamber 3, an LED-COB light source 1, a bulb metallic cover 2, a finned radiator 4 and a fan 5. The cubic vapor chamber 3 forms a cubic structure having a [T] section by fixing an evaporation chamber 303 in perpendicular to the surface of a condensing chamber 304, both the evaporation chamber 303 and the condensing chamber 304 are filled with cooling liquid and fine core layers 305 are mounted at the inner walls of the evaporation chamber 303 and the condensing chamber 304 through vacuum chambers communicated to each other. The LED-COB light source 1 transmits heat into the evaporation chamber 303 of the cubic vapor chamber 3. The finned radiator 4 cools the condensing chamber 304 of the cubic vapor chamber 3. A fan 5 accelerates cooling at the finned radiator 4. The bulb metallic cover 2 is made of magnesium alloy and this cover is outwardly fitted to an outside part of the LED-COB light source 1 and the cubic vapor chamber 3.SELECTED DRAWING: Figure 2

Description

本発明は車両ライト技術分野に関し、特にＬＥＤ車両ヘッドライトに関する。   The present invention relates to the field of vehicle light technology, and more particularly to an LED vehicle headlight.

現在の車両ヘッドライトには、ハロゲンランプ、キセノンランプ、ＬＥＤランプが用いられている。ハロゲンランプは、価格は安いが、エネルギー消費量が高く、輝度が劣っていて、発熱量が大きい。また黄色光を出すものが多く、照明度が高くなく、且つ老化し易い。   Current vehicle headlights use halogen lamps, xenon lamps, and LED lamps. Halogen lamps are inexpensive, but have high energy consumption, inferior brightness, and large heat generation. Moreover, there are many things which emit yellow light, the illumination intensity is not high, and it is easy to age.

キセノンランプ（ＨＩＤ）は、ハロゲンランプより３倍高い照明強度を有し、エネルギー消費量はハロゲンランプの３分の２である。キセノンランプは、日光とほとんど同じ光色であり、運転者に更に良い視覚条件を作り出し、且つ使用寿命が長い。しかし、キセノンランプは、価格が比較的高く、装着が複雑で、且つ集光力が劣っている。また、キセノンランプの発熱量はハロゲンランプほどではないものの、それほど低くもない。   Xenon lamps (HID) have an illumination intensity that is three times higher than halogen lamps, and energy consumption is two-thirds that of halogen lamps. Xenon lamps have almost the same light color as sunlight, create better visual conditions for the driver, and have a long service life. However, xenon lamps are relatively expensive, complicated to install, and have poor light collecting power. In addition, the amount of heat generated by a xenon lamp is not as low as that of a halogen lamp, though it is not.

ＬＥＤランプは、新興の照明ハイテクのグリーン産業であり、特にＬＥＤ−ＣＯＢ光源がエコ、高輝度、高効率省エネという利点を有している。またＬＥＤランプは、熱線をほとんど含まない冷光源として、その温度が非常に低く、使用寿命が長く、車両ライトの分野で各車両ライトメーカーと数多くのユーザーに好まれている。   LED lamps are an emerging lighting high-tech green industry, and in particular, LED-COB light sources have the advantages of ecology, high brightness, and high efficiency energy saving. In addition, the LED lamp is a cold light source that contains almost no heat rays, and has a very low temperature and a long service life, and is favored by various vehicle light manufacturers and many users in the field of vehicle lights.

しかし、ＬＥＤ−ＣＯＢ光源部品は、安定して高効率的な作動を得るため、その作動温度をある範囲内に制御する必要がある。研究によれば、ＬＥＤ−ＣＯＢの光源温度が１０℃上がる毎に、その発光効率が３％ほど低下する。ＬＥＤ−ＣＯＢ光源の温度が限界を超えると、光源が発光しなくなる場合もある。   However, the LED-COB light source component needs to control its operating temperature within a certain range in order to obtain stable and highly efficient operation. According to research, every time the light source temperature of LED-COB increases by 10 ° C., the luminous efficiency decreases by about 3%. If the temperature of the LED-COB light source exceeds the limit, the light source may not emit light.

現在のＬＥＤ−ＣＯＢ光源の放熱設計案では、熱伝導率がよい材料を介してＬＥＤ−ＣＯＢ光源が出した熱をできるだけ速く基板に伝導して更に放熱カバーに伝導する。放熱カバーについては、熱伝導率がよい材料を用いて各種の形状の放熱ランプハウジングを製造して、その周辺の空気の対流によって放熱を実現している。また、特殊な塗料又はフィルムを用いることで、受熱カバーの熱放射能力を強めて、降温を加速することも行われている。しかし、これらの放熱手段の効率は比較的低く、十分なＬＥＤ−ＣＯＢ光源の放熱効果を確保できておらず、依然として改良する必要がある。   In the current heat radiation design plan of the LED-COB light source, the heat generated by the LED-COB light source is conducted to the substrate as quickly as possible through a material having good thermal conductivity and further conducted to the heat radiation cover. As for the heat dissipation cover, heat dissipation lamp housings of various shapes are manufactured using materials having good thermal conductivity, and heat dissipation is realized by convection of air around the heat dissipation cover. Further, by using a special paint or film, the heat radiation capability of the heat receiving cover is strengthened, and the temperature drop is accelerated. However, the efficiency of these heat dissipating means is relatively low, and a sufficient heat dissipating effect of the LED-COB light source cannot be secured, and it is still necessary to improve it.

また、配光性および合焦の精確性の観点から、厚みを制限した一つの絶縁板にＬＥＤ−ＣＯＢ光源を設け、それに給電することが行われている。しかし、絶縁板の導電能力が非常に有限であり、放熱効果が極めて劣っている。絶縁板を金属放熱板にした場合、金属板の表面に絶縁処理する必要があり、また、金属板がある厚さを有しないと放熱伝熱効果を確保できないことになる。金属板の厚みがＬＥＤ−ＣＯＢ光源の厚みに対して比較的大きくなると、精確に合焦できなくなり、光線を発散させ、全体のランプの配光性に影響して、ランプの正常な使用に影響する。   In addition, from the viewpoint of light distribution and focusing accuracy, an LED-COB light source is provided on one insulating plate with a limited thickness, and power is supplied thereto. However, the conductive capacity of the insulating plate is very limited, and the heat dissipation effect is extremely poor. When the insulating plate is a metal heat radiating plate, it is necessary to insulate the surface of the metal plate, and the heat radiating heat transfer effect cannot be ensured unless the metal plate has a certain thickness. If the thickness of the metal plate is relatively large compared to the thickness of the LED-COB light source, it will not be able to focus accurately, it will diverge the light, affect the light distribution of the entire lamp, and affect the normal use of the lamp To do.

本発明は、よりよい放熱効果と使用安定性を有するＬＥＤ車両ヘッドライトを提供することを目的とするものである。   An object of this invention is to provide the LED vehicle headlight which has a better thermal radiation effect and use stability.

本発明が提供するＬＥＤ車両ヘッドライトは、立体べーパチャンバと、ＬＥＤ−ＣＯＢ光源と、電球金属カバーと、フィン付放熱器とファンから構成されるＬＥＤ車両ヘッドライトであって、
前記立体べーパチャンバは、長板状の中空の蒸発室及び平板状の中空の凝縮室を有し、前記蒸発室は前記凝縮室の表面に垂直に固定されることにより断面が「Ｔ」型の立体構造を成し、且つ前記蒸発室と前記凝縮室はともに冷却液が充填され、互いに連通する真空室で、前記蒸発室と前記凝縮室の内壁に毛細芯層が設置され、
前記ＬＥＤ−ＣＯＢ光源は、前記蒸発室の外側表面に貼設され、熱を前記立体べーパチャンバの蒸発室内に伝達し、
前記フィン付放熱器は、前端が前記凝縮室の外側表面に貼設され、前記立体べーパチャンバの凝縮室を冷却し、
前記ファンは、前記フィン付放熱器の後端に設けられ、前記フィン付放熱器の冷却を加速し、
前記電球金属カバーは、前記ＬＥＤ−ＣＯＢ光源及び前記立体べーパチャンバの外側に外嵌して、且つ前記電球金属カバーがマグネシウム合金材料製であることを特徴とする、ＬＥＤ車両ヘッドライトである。 An LED vehicle headlight provided by the present invention is an LED vehicle headlight including a three-dimensional vapor chamber, an LED-COB light source, a light bulb metal cover, a finned radiator and a fan,
The three-dimensional vapor chamber has a long plate-like hollow evaporation chamber and a flat hollow condensing chamber, and the evaporation chamber is fixed perpendicularly to the surface of the condensing chamber so that the cross section has a “T” shape. A three-dimensional structure and both the evaporation chamber and the condensing chamber are filled with a cooling liquid, and are in a vacuum chamber communicating with each other, and a capillary core layer is installed on the inner walls of the evaporation chamber and the condensing chamber,
The LED-COB light source is attached to the outer surface of the evaporation chamber, and transfers heat to the evaporation chamber of the three-dimensional vapor chamber.
The finned radiator has a front end attached to the outer surface of the condensation chamber, and cools the condensation chamber of the three-dimensional vapor chamber,
The fan is provided at a rear end of the finned radiator, and accelerates cooling of the finned radiator.
The light bulb metal cover is an LED vehicle headlight that is fitted on the outside of the LED-COB light source and the three-dimensional vapor chamber, and the light bulb metal cover is made of a magnesium alloy material.

この構成によれば、相変化放熱、金属放熱フィン熱伝導放熱、空冷放熱及び放射放熱という四種の放熱技術手段を集合して、ＬＥＤ−ＣＯＢ光源に生じた熱を高効率に直ちに発散して、ＬＥＤ−ＣＯＢ光源を適宜の作動温度に保持する。   According to this configuration, the four types of heat radiation technology means of phase change heat radiation, metal heat radiation fin heat conduction heat radiation, air cooling heat radiation and radiation heat radiation are gathered, and the heat generated in the LED-COB light source is immediately dissipated with high efficiency. The LED-COB light source is maintained at an appropriate operating temperature.

また、立体べーパチャンバ内では、相変化による放熱、および毛細管現象により放熱と冷却の循環を構成する。冷却液は、立体べーパチャンバ内に充填されており、毛細芯層に吸収されている。蒸発端が受熱した時に、冷却液が吸熱気化して毛細芯層から出て、蒸発室に沿って凝縮室に流れる。凝縮室に到達した気相の冷却液は、放熱凝縮して液化した後、凝縮端の毛細芯層に吸収され、毛細管現象によって蒸発端の毛細芯層に輸送されて、放熱冷却循環を完成する。   In the three-dimensional vapor chamber, heat radiation and cooling are circulated by heat radiation due to phase change and capillary action. The cooling liquid is filled in the three-dimensional vapor chamber and is absorbed by the capillary core layer. When the evaporation end receives heat, the coolant absorbs and vaporizes, exits the capillary core layer, and flows along the evaporation chamber to the condensation chamber. The gas-phase coolant that has reached the condensing chamber is condensed by heat dissipation and liquefied, then absorbed by the capillary core layer at the condensation end and transported to the capillary core layer at the evaporation end by capillary action to complete the heat dissipation cooling circulation. .

また、「Ｔ」型の構成の立体べーパチャンバは、冷却液の流動ストロークが短く、循環速度が速く、蒸発室と凝縮室の面積が大きく、ＬＥＤ−ＣＯＢ光源及びその他の放熱部品との取付けが容易であり、且つ吸熱放熱効果がよく、構成が安定していて、防振効果がよくなる。   In addition, the three-dimensional vapor chamber of the “T” type configuration has a short coolant flow stroke, a high circulation speed, a large area of the evaporation chamber and the condensation chamber, and can be mounted with an LED-COB light source and other heat radiation components. Easy and endothermic heat dissipation effect is good, the structure is stable, and the anti-vibration effect is improved.

また、マグネシウム合金は、マグネシウムを基にして他の要素を添加して成す合金であって、密度が小さく（１.８ｇ／ｃｍ３ほど）、比強度が高く、比弾性率が大きく、放熱性がよく、消震性能がよく、衝撃荷重を受ける能力が強く、有機物とアルカリに対する耐蝕性能がよい。そのため、マグネシウム合金を選用して電球金属カバーを製造することで、優良な放熱性能を有している。   A magnesium alloy is an alloy formed by adding other elements based on magnesium, and has a low density (about 1.8 g / cm 3), a high specific strength, a high specific elastic modulus, and a high heat dissipation. It has good anti-seismic performance, strong ability to receive impact load, and good corrosion resistance against organic matter and alkali. Therefore, it has excellent heat dissipation performance by selecting a magnesium alloy and manufacturing a light bulb metal cover.

本発明が提供するＬＥＤ車両ヘッドライトは、更に、前記蒸発室が長方形で、凝縮室が円形であり、前記凝縮室の厚さは、蒸発室の厚さより大きい。この構成によれば、凝縮室が蒸発室より比較的大きいため、気化した冷却液の流速を速めることが可能で、放熱効率を向上させることができる。   In the LED vehicle headlight provided by the present invention, the evaporation chamber is rectangular and the condensation chamber is circular, and the thickness of the condensation chamber is larger than the thickness of the evaporation chamber. According to this configuration, since the condensing chamber is relatively larger than the evaporation chamber, the flow rate of the vaporized coolant can be increased, and the heat dissipation efficiency can be improved.

本発明が提供するＬＥＤ車両ヘッドライトは、更に、前記ＬＥＤ−ＣＯＢ光源は２セットであり、それぞれ蒸発室の上下の二つの表面に貼設され、且つ前記ＬＥＤ−ＣＯＢ光源と前記蒸発室の厚さの合計は３ｍｍを超えない。   The LED vehicle headlight provided by the present invention further includes two sets of the LED-COB light sources, each of which is attached to the upper and lower surfaces of the evaporation chamber, and the thickness of the LED-COB light source and the evaporation chamber. The total sum does not exceed 3 mm.

この構成よれば、立体べーパチャンバは、ＬＥＤ−ＣＯＢ光源の取付け及び放熱の機能を兼ねていて、それを非常に薄くすることができ、各種車両ヘッドライトアセンブリーの各タイプの自由曲面のＸ軸、Ｙ軸、Ｚ軸の精確な合焦を満たすことができ、また既存のハロゲンランプ又はＨＩＤランプに替えて、よい配光を提供することができる。   According to this configuration, the three-dimensional vapor chamber also has the function of mounting the LED-COB light source and radiating heat, which can be made very thin, and the free-form X-axis of each type of various vehicle headlight assemblies. , Y axis and Z axis can be accurately focused, and a good light distribution can be provided in place of the existing halogen lamp or HID lamp.

本発明が提供するＬＥＤ車両ヘッドライトは、更に、前記フィン付放熱器が円形構成で、その外面に１８０°の平行風路、つまり、フィン付放熱器の前端から後端まで連続する、フィンの間に形成される平行な風の通路が設けられる。   In the LED vehicle headlight provided by the present invention, the finned radiator has a circular configuration, and 180 ° parallel air passages on the outer surface thereof, that is, the fin radiator that is continuous from the front end to the rear end of the finned radiator. Parallel wind passages formed between them are provided.

本発明が提供するＬＥＤ車両ヘッドライトは、更に、固定枠及び通電中継板を有し、前記固定枠は、通電中継板と重ね合せの状態でフィン付放熱器とファンの間に設けられて、前記通電中継板がファン及びＬＥＤ−ＣＯＢ光源に給電する。   The LED vehicle headlight provided by the present invention further includes a fixed frame and an energizing relay plate, and the fixed frame is provided between the finned radiator and the fan in a state of being overlapped with the energizing relay plate. The energization relay plate supplies power to the fan and the LED-COB light source.

本発明が提供するＬＥＤ車両ヘッドライトは、更に、前記立体べーパチャンバ、フィン付放熱器、固定枠及び通電中継板がいずれも純銅で製造される。   In the LED vehicle headlight provided by the present invention, the three-dimensional vapor chamber, the finned radiator, the fixed frame, and the energizing relay plate are all made of pure copper.

この構成によれば、ＬＥＤ車両ヘッドライト内の各部材がともに低熱抵抗の純銅材料製であり、その放熱性能を向上できる。   According to this configuration, each member in the LED vehicle headlight is made of a pure copper material having a low thermal resistance, and the heat dissipation performance can be improved.

本発明が提供するＬＥＤ車両ヘッドライトは、更に、前記ファンはねじで固定枠及び通電中継板と接続している。   In the LED vehicle headlight provided by the present invention, the fan is further connected to the fixed frame and the energizing relay plate by screws.

本発明が提供するＬＥＤ車両ヘッドライトは、更に、前記立体べーパチャンバと、ＬＥＤ−ＣＯＢ光源と、電球金属カバーと、フィン付放熱器と、固定枠と通電中継板との間は鉛フリーの錫銀銅ペーストで高温溶接により接続される。   The LED vehicle headlight provided by the present invention further includes lead-free tin between the three-dimensional vapor chamber, the LED-COB light source, the light bulb metal cover, the finned radiator, the fixed frame, and the energizing relay plate. It is connected by high temperature welding with silver-copper paste.

この構成によれば、このＬＥＤ車両ヘッドライトはファン以外の、他の各部分とも鉛フリーの錫銀銅ペーストで高温溶接により接続されるので、ＸＹＺ各方向の抗振動性能がよく、接続強度が高く、構成が牢固で、熱抵抗が低く、放熱がよい。車両振動試験テストでわかるように、当該ＬＥＤ車両ヘッドライトの抗振動性能は、他の車両ライトより優れていることが明らかである。   According to this configuration, the LED vehicle headlight is connected to each other part other than the fan by high-temperature welding with lead-free tin-silver-copper paste, so that the anti-vibration performance in each direction of XYZ is good and the connection strength is high. High, structure is solid, heat resistance is low, and heat dissipation is good. As can be seen from the vehicle vibration test, it is clear that the anti-vibration performance of the LED vehicle headlight is superior to other vehicle lights.

本発明が提供するＬＥＤ車両ヘッドライトは、更に、電球金属カバーの外部に装着する石英ガラス防護管を更に有する。   The LED vehicle headlight provided by the present invention further includes a quartz glass protective tube attached to the outside of the bulb metal cover.

本発明が提供するＬＥＤ車両ヘッドライトは、更に、前記電球金属カバーにカードスロット、差込口及びキャッチプレートが設けられ、各種の車両ライトのアセンブリーハウジングと接続する。   The LED vehicle headlight provided by the present invention is further provided with a card slot, a slot and a catch plate in the light bulb metal cover, and is connected to an assembly housing of various vehicle lights.

この構成によれば、電球金属カバーが必要に応じて、各種の外形と接続構成を用いて、各種の車両のライトアセンブリーハウジングと整合することができ、既存のハロゲンランプまたはＨＩＤランプと取替えて、既存のライトアセンブリーハウジングを変更する必要がなく、合焦が精確で、取付けしやすく、同時にコストを低下させる。   According to this configuration, the bulb metal cover can be aligned with various vehicle light assembly housings using various external shapes and connection configurations as needed, replacing existing halogen lamps or HID lamps. No need to change the existing light assembly housing, the focus is precise, easy to install and at the same time lower the cost.

本発明の有利な効果は以下の通りである。   Advantageous effects of the present invention are as follows.

本発明にかかるＬＥＤ車両ヘッドライトは、相変化放熱、金属放熱フィン熱伝導放熱、空冷放熱及び放射放熱という四種の放熱技術手段を集合して、放熱率が高く、放熱効果がよい。   The LED vehicle headlight according to the present invention has a high heat dissipation rate and a good heat dissipation effect by collecting four types of heat dissipation technical means of phase change heat dissipation, metal heat dissipation fin heat conduction heat dissipation, air cooling heat dissipation and radiation heat dissipation.

本発明にかかるＬＥＤ車両ヘッドライトを１００℃の雰囲気で作動させた場合、ＬＥＤ車両ヘッドライトの温度と雰囲気温度との差が１０℃以内であり、ダイオードＰＮ結合の限界温度よりも低くしている。   When the LED vehicle headlight according to the present invention is operated in an atmosphere of 100 ° C., the difference between the temperature of the LED vehicle headlight and the ambient temperature is within 10 ° C., which is lower than the limit temperature of the diode PN coupling. .

本発明にかかるＬＥＤ車両ヘッドライトは、全体構成の防振効果がよく、構成が牢固である。   The LED vehicle headlight according to the present invention has a good anti-vibration effect as a whole and has a solid structure.

本発明にかかるＬＥＤ車両ヘッドライトは、取付けしやすく、合焦が精確で、優良な配光を提供でき、既存のハロゲンランプ又はキセノンランプと取り替えが可能であり、各種の車両に適用させることができる。   The LED vehicle headlight according to the present invention is easy to install, accurate in focus, can provide excellent light distribution, can be replaced with an existing halogen lamp or xenon lamp, and can be applied to various vehicles. it can.

本発明の具体的な実施形態を更に詳しく説明する。以下に、説明に必要な図面を簡単に紹介する。以下の図面は、本発明の複数の実施形態である。当業者にとって進歩性を付さないことを前提に、これらの図面に記載された実施形態に基づいて他の実施形態を獲得可能であることは自明である。
図１は本発明の実施例にかかるＬＥＤ車両ヘッドライトの全体構成概略図である。 図２は本発明の実施例にかかるＬＥＤ車両ヘッドライトの構成分解概略図である。 図３は立体べーパチャンバの断面図である。 Specific embodiments of the present invention will be described in more detail. The following is a brief introduction of the drawings necessary for the description. The following drawings are embodiments of the present invention. It is obvious that other embodiments can be obtained based on the embodiments described in these drawings on the assumption that the person skilled in the art does not give inventive step.
FIG. 1 is an overall schematic diagram of an LED vehicle headlight according to an embodiment of the present invention. FIG. 2 is a schematic exploded view of the LED vehicle headlight according to the embodiment of the present invention. FIG. 3 is a cross-sectional view of the three-dimensional vapor chamber.

以下、図面を結合して本発明の技術方案を明瞭に、完備に説明する。記載された実施例は、本発明の実施例の一例であって、全ての実施例ではないことは明らかである。当業者が本発明の実施例に基づいて、進歩性を付さないことを前提に得る全てのその他の実施例が、本発明の保護範囲に属する。本発明の記載において、用語「中心」、「上」、「下」、「左」、「右」、「垂直」、「水平」、「内」、「外」など指示している方位又は位置関係は、図面に基づいて示す方位又は位置関係である。これらの用語は、本発明と簡略化した記載を便利に記述するためだけに用いられている。これらの用語は、装置又は素子が特定の方位を有し、特定の方位で構成され、特定の方位に操作されなければならないと指示又は暗示するものではないため、本発明の限定に用いることはできない。また、用語の「第一」、「第二」、「第三」は、説明の便宜のために用いられており、相対的な重要性を指示又は暗示するものではない。   Hereinafter, the technical solution of the present invention will be described clearly and thoroughly with reference to the drawings. It will be appreciated that the embodiments described are examples of embodiments of the invention and not all embodiments. All other embodiments obtained by a person skilled in the art based on the embodiments of the present invention on the premise that no inventive step is added belong to the protection scope of the present invention. In the description of the present invention, the term “center”, “top”, “bottom”, “left”, “right”, “vertical”, “horizontal”, “inside”, “outside”, etc. The relationship is an azimuth or positional relationship shown on the basis of the drawings. These terms are only used to conveniently describe the invention and the simplified description. These terms are not used to limit the present invention because they do not indicate or imply that the device or element has a particular orientation, is constructed in a particular orientation, and must be operated in a particular orientation. Can not. Further, the terms “first”, “second”, and “third” are used for convenience of explanation, and do not indicate or imply relative importance.

本発明の記載には、別に明確的な規定と限定があった以外に、用語「取付」、「連接」、「接続」は、広義に理解すべきである。例えば、固着でもよく、取外可能に接続してもよく、又は一体的に接続されてもよい。また、機械的に接続してもよく、電気的に接続してもよい。また、直接的に接続してもよく、中間部材を介して間接的に接続してもよく、二つの素子内部を連通してもよい。当業者にとって、具体的な情況によって上述用語の本発明における具体的な意味を理解できる。   In the description of the present invention, the terms “attachment”, “joint”, “connection” should be understood in a broad sense, except as otherwise clearly defined and limited. For example, it may be fixed, removably connected, or integrally connected. Further, it may be mechanically connected or electrically connected. Moreover, you may connect directly, may connect indirectly via an intermediate member, and may communicate the inside of two elements. For those skilled in the art, the specific meaning of the above terms in the present invention can be understood by specific circumstances.

図１は本発明の実施例にかかるＬＥＤ車両ヘッドライトの全体構成概略図、図２は本発明の実施例にかかるＬＥＤ車両ヘッドライトの構成分解概略図、図３は立体べーパチャンバの断面図である。   1 is an overall schematic diagram of an LED vehicle headlight according to an embodiment of the present invention, FIG. 2 is an exploded schematic diagram of an LED vehicle headlight according to an embodiment of the present invention, and FIG. 3 is a sectional view of a three-dimensional vapor chamber. is there.

図１および図２に示すように、ＬＥＤ車両ヘッドライトは、主にＬＥＤ−ＣＯＢ光源１、立体べーパチャンバ３、電球金属カバー２、フィン付放熱器４及びファン５を含む。   As shown in FIGS. 1 and 2, the LED vehicle headlight mainly includes an LED-COB light source 1, a three-dimensional vapor chamber 3, a light bulb metal cover 2, a finned radiator 4 and a fan 5.

立体べーパチャンバ３は、長方形の蒸発端３０１及び円板形の凝縮端３０２を含み、二者が互いに垂直に配置されて「Ｔ」型の立体構造を成している。   The three-dimensional vapor chamber 3 includes a rectangular evaporation end 301 and a disk-shaped condensing end 302, and the two are arranged perpendicular to each other to form a “T” -type three-dimensional structure.

ＬＥＤ−ＣＯＢ光源１は２個であり、それぞれ立体べーパチャンバ３の蒸発端３０１の両側表面に貼設されている。電球金属カバー２は、左右両ブロックに分けられ、ＬＥＤ−ＣＯＢ光源１及び立体べーパチャンバ３の外側に外嵌されている。   There are two LED-COB light sources 1, which are attached to both surfaces of the evaporation end 301 of the three-dimensional vapor chamber 3. The light bulb metal cover 2 is divided into left and right blocks, and is fitted on the outside of the LED-COB light source 1 and the three-dimensional vapor chamber 3.

左右両ブロックの電球金属カバー２は、側部が互いに接続され、且つ底端が立体べーパチャンバ３の凝縮端３０２の外壁と接続して、全体として一つに組合わせられている。   The light bulb metal covers 2 of the left and right blocks are combined together as a whole, with the side portions connected to each other and the bottom end connected to the outer wall of the condensing end 302 of the three-dimensional vapor chamber 3.

２個のＬＥＤ−ＣＯＢ光源１と蒸発端３０１の厚さの合計は、３ｍｍを超えない。一般的に、設計基準によって２個のＬＥＤ−ＣＯＢ光源１と蒸発端３０１の厚さの合計は、ハロゲンランプのタングステン線の長さ又はＨＩＤライトの発光アーク長さと同様であればよく、例えば２ｍｍ又は１．２ｍｍとすることができる。このＬＥＤ車両ヘッドライトは、放熱効果を確保することを前提に、各種の車両ヘッドライトアセンブリーの各タイプの自由曲面のＸ軸、Ｙ軸、Ｚ軸の精確合焦を満たすことができ、優良な配光性を有している。   The total thickness of the two LED-COB light sources 1 and the evaporation end 301 does not exceed 3 mm. In general, the total thickness of the two LED-COB light sources 1 and the evaporation end 301 may be the same as the length of the tungsten wire of the halogen lamp or the light emission arc length of the HID light, for example, 2 mm. Or it can be set to 1.2 mm. This LED vehicle headlight is capable of satisfying the precise focusing of the free-form X-axis, Y-axis, and Z-axis of each type of various vehicle headlight assemblies on the premise of ensuring the heat dissipation effect. Light distribution.

フィン付放熱器４は円形に構成され、その前端が立体べーパチャンバ３の凝縮端３０２の下表面に密着するので、それにより立体べーパチャンバ３の凝縮端３０２を放熱冷却することができる。   The finned radiator 4 is formed in a circular shape, and its front end is in close contact with the lower surface of the condensing end 302 of the three-dimensional vapor chamber 3, whereby the condensing end 302 of the three-dimensional vapor chamber 3 can be cooled by heat radiation.

フィン付放熱器４の後端には、固定枠６、通電中継板７及びファン５を順次に設けている。   A fixed frame 6, an energizing relay plate 7 and a fan 5 are sequentially provided at the rear end of the finned radiator 4.

固定枠６は、通電中継板７と重ね合わされ、固定枠６の前端面は、フィン付放熱器４の後端と固定されている。   The fixed frame 6 is overlapped with the energization relay plate 7, and the front end surface of the fixed frame 6 is fixed to the rear end of the finned radiator 4.

固定枠６および通電中継板７ともにねじ穴が設けられ、ファン５がねじによって通電中継板７に固定されている。通電中継板７は、同時にファン５及びＬＥＤ−ＣＯＢ光源１に給電する。   Both the fixed frame 6 and the energizing relay plate 7 are provided with screw holes, and the fan 5 is fixed to the energizing relay plate 7 with screws. The energizing relay plate 7 supplies power to the fan 5 and the LED-COB light source 1 at the same time.

電球金属カバー２の外部には、石英ガラス防護管８が装着されており、より一層の保護作用を果たしている。   A quartz glass protective tube 8 is attached to the outside of the light bulb metal cover 2 to achieve a further protective effect.

立体べーパチャンバ３は、図３に示すように、長板形の中空の蒸発端３０１及び円板形の中空の凝縮端３０２を含んでいる。蒸発端３０１は、凝縮端３０２の上表面中心に垂直に固定されており、断面が「Ｔ」型の立体構造を構成している。   As shown in FIG. 3, the three-dimensional vapor chamber 3 includes a long plate-shaped hollow evaporation end 301 and a disk-shaped hollow condensing end 302. The evaporation end 301 is fixed perpendicularly to the center of the upper surface of the condensation end 302, and forms a three-dimensional structure having a “T” cross section.

蒸発端３０１の中空室は、蒸発室３０３を構成しており、凝縮端３０２の中空室は、凝縮室３０４を構成している。蒸発室３０３および凝縮室３０４は、ともに真空室であり、両者が互いに連通している。   The hollow chamber at the evaporation end 301 constitutes an evaporation chamber 303, and the hollow chamber at the condensation end 302 constitutes a condensation chamber 304. The evaporation chamber 303 and the condensation chamber 304 are both vacuum chambers, and both communicate with each other.

蒸発室３０３および凝縮室３０４内には、冷却液が充填されている。蒸発室３０３および凝縮室３０４の内壁の全部には、毛細芯層３０５が敷設されており、その外壁にハウジング３０６が設けられている。   The evaporating chamber 303 and the condensing chamber 304 are filled with a cooling liquid. A capillary core layer 305 is laid on all the inner walls of the evaporation chamber 303 and the condensation chamber 304, and a housing 306 is provided on the outer wall thereof.

立体べーパチャンバ３内では、相変化による放熱、および毛細管現象により、放熱と冷却の循環を構成する。冷却液は毛細芯層３０５に吸収されており、ＬＥＤ−ＣＯＢ光源１が発光した時には、蒸発端３０１がＬＥＤ−ＣＯＢ光源１から発散した熱量を吸収して、蒸発端３０１の毛細芯層３０５の中の冷却液を吸熱気化させる。気化した気相冷却液９は、毛細芯層３０５から出て、蒸発室３０３に沿って凝縮室３０４の方向に流れる。凝縮室３０４に到達した気相冷却液９は、凝縮室３０４に放熱して凝縮液化して、液相冷却液１０が凝縮端３０２の毛細芯層３０５に吸収され、更に毛細芯層３０５の毛細管現象により蒸発端３０１の毛細芯層３０５に輸送されて、放熱冷却循環を完成する。   In the three-dimensional vapor chamber 3, circulation of heat radiation and cooling is constituted by heat radiation due to phase change and capillary action. The cooling liquid is absorbed by the capillary core layer 305, and when the LED-COB light source 1 emits light, the evaporation end 301 absorbs the amount of heat emitted from the LED-COB light source 1, and the capillary core layer 305 of the evaporation end 301 is absorbed. The coolant inside is endothermic and vaporized. The vaporized cooling liquid 9 exits from the capillary core layer 305 and flows in the direction of the condensation chamber 304 along the evaporation chamber 303. The gas-phase coolant 9 reaching the condensing chamber 304 dissipates heat to the condensing chamber 304 to be condensed and liquefied, and the liquid-phase coolant 10 is absorbed by the capillary core layer 305 at the condensing end 302, and further the capillary tube of the capillary core layer 305. Due to the phenomenon, it is transported to the capillary core layer 305 of the evaporation end 301 to complete the heat radiation cooling circulation.

フィン付放熱器４は、中空筒体の形状であり、周辺に１８０°の平行風路、すなわち、フィン付放熱器４の前端から後端まで連続する、フィンの間に形成される平行な風の通路が設けられている。フィン付放熱器４の前端が立体べーパチャンバ３の凝縮端３０２から吸熱して、フィンを通じて外界に放熱している。   The finned radiator 4 is in the shape of a hollow cylinder, and has a parallel airflow of 180 ° around the periphery, that is, a parallel wind formed between the fins that continues from the front end to the rear end of the finned radiator 4. There is a passage. The front end of the finned radiator 4 absorbs heat from the condensing end 302 of the three-dimensional vapor chamber 3 and radiates heat to the outside through the fins.

ファン５は、空気力学構成を用いている。ファン５の羽根は、フィン付放熱器４の中空筒に伸び、吹出した風全部をフィン付放熱器４及び立体べーパチャンバ３の凝縮端３０２に作用可能である。ファン５は、フィン付放熱器４及凝縮端３０２の冷却降温を更に加速可能である。   The fan 5 uses an aerodynamic configuration. The blades of the fan 5 extend into the hollow cylinder of the finned radiator 4, and all the blown air can act on the finned radiator 4 and the condensing end 302 of the three-dimensional vapor chamber 3. The fan 5 can further accelerate the cooling and cooling of the finned radiator 4 and the condensation end 302.

電球金属カバー２は、全体がマグネシウム合金材料で製造されている。マグネシウム合金材料は、密度が小さく、比強度が高く、比弾性率が大きく、放熱性がよく、消震性能がよく、衝撃荷重を受ける能力が強く、有機物とアルカリに対する耐蝕性能がよい。そのため、マグネシウム合金を選択して電球金属カバー２を製造することにより、優良な熱放射放熱性能を有して、ＬＥＤ−ＣＯＢ光源が熱放射で生じた熱を速めに発散して、ＬＥＤ車両ヘッドライトの温度を低下させる。   The bulb metal cover 2 is entirely made of a magnesium alloy material. Magnesium alloy materials have a low density, a high specific strength, a high specific elastic modulus, a good heat dissipation, a good anti-quake performance, a strong ability to receive impact loads, and a good corrosion resistance against organic matter and alkali. Therefore, by manufacturing the light bulb metal cover 2 by selecting a magnesium alloy, the LED vehicle head has excellent heat radiation heat dissipation performance and the LED-COB light source dissipates heat generated by heat radiation quickly. Reduce the temperature of the light.

本発明の好ましい実施例では、凝縮室３０４の厚さ（口径寸法）は、蒸発室３０３の厚さ（口径寸法）より大きい。凝縮室３０４の厚さが比較的大きく、蒸発室３０３の厚さが比較的小さいという構成により、凝縮室３０４と蒸発室３０３の間に差圧を形成して、気相冷却液９の流速を加速して、循環速度と放熱効率を増加可能である。   In a preferred embodiment of the present invention, the thickness (caliber size) of the condensing chamber 304 is greater than the thickness (caliber size) of the evaporation chamber 303. A structure in which the thickness of the condensing chamber 304 is relatively large and the thickness of the evaporating chamber 303 is relatively small, so that a differential pressure is formed between the condensing chamber 304 and the evaporating chamber 303 so that the flow rate of the vapor phase coolant 9 is reduced. Acceleration can increase circulation speed and heat dissipation efficiency.

本発明の好ましい実施例では、立体べーパチャンバ３のハウジング３０６、フィン付放熱器４、固定枠６及び通電中継板７とも低熱抵抗の純銅材料を用いて製造され、更に放熱性能を向上させることが可能である。   In a preferred embodiment of the present invention, the housing 306, the finned radiator 4, the fixed frame 6, and the energizing relay plate 7 of the three-dimensional vapor chamber 3 are manufactured using a pure copper material having a low thermal resistance, and the heat dissipation performance can be further improved. Is possible.

本発明の好ましい実施例では、ファン５だけはねじによって固定枠６及び通電中継板７と接続され、その他の部分、即ち立体べーパチャンバ３、ＬＥＤ−ＣＯＢ光源１、電球金属カバー２、フィン付放熱器４、固定枠６及び通電中継板７の間に互いに鉛フリーの錫銀銅ペーストを用いて高温溶接で接続される。この接続方式により、ＬＥＤ車両ヘッドライトが全体として、ＸＹＺの各方向において抗振動性能がよく、各部分の間の接続強度が高く、構成が牢固で、熱抵抗が低く、放熱性がよい。車両振動試験テストによって、このＬＥＤ車両ヘッドライトの抗振動性能が従来のその他のライトより優れていることが明らかである。   In the preferred embodiment of the present invention, only the fan 5 is connected to the fixed frame 6 and the energizing relay plate 7 by screws, and the other parts, that is, the three-dimensional vapor chamber 3, the LED-COB light source 1, the bulb metal cover 2, the heat dissipation with fins. The container 4, the fixed frame 6 and the energizing relay plate 7 are connected to each other by high-temperature welding using a lead-free tin-silver-copper paste. With this connection method, the LED vehicle headlight as a whole has good anti-vibration performance in each of the XYZ directions, the connection strength between the parts is high, the configuration is solid, the thermal resistance is low, and the heat dissipation is good. Vehicle vibration test tests reveal that the anti-vibration performance of this LED vehicle headlight is superior to other conventional lights.

本発明の好ましい実施例では、必要に応じて電球金属カバー２の外側にカードスロット、差込口及びキャッチプレートのような各種の形状又は形式の接続構成を設置して、それを各種類の車両ライトのアセンブリーハウジングと接続することができる。これにより、既存のハロゲンランプ又はＨＩＤランプを直接的に取替えることができ、既存のライトアセンブリーハウジングを替える必要がなく、合焦が精確で、取付しやすく、同時にコストを低下させることができる。   In a preferred embodiment of the present invention, various shapes or types of connection configurations such as card slots, insertion slots and catch plates are installed on the outside of the bulb metal cover 2 as required, and are used for various types of vehicles. Can be connected with light assembly housing. As a result, the existing halogen lamp or HID lamp can be directly replaced, there is no need to replace the existing light assembly housing, the focusing is precise, easy to install, and at the same time the cost can be reduced.

本発明の好ましい実施例では、立体べーパチャンバの蒸発室では、毛細芯層を用いて複数の通路に分けることができ、気相冷却液が各通路に流れて、流速を増加させる。それと同時に、立体べーパチャンバの蒸発端両側の相変化効率が不均衡している状態において、通路を構成する毛細芯層を通じて調節の作用を果たさせる。   In a preferred embodiment of the present invention, the evaporation chamber of the three-dimensional vapor chamber can be divided into a plurality of passages using a capillary core layer, and the gas-phase coolant flows through each passage to increase the flow velocity. At the same time, in a state where the phase change efficiencies on both sides of the evaporation end of the three-dimensional vapor chamber are unbalanced, the regulating action is performed through the capillary core layer constituting the passage.

以上の通り、本実施例にかかるＬＥＤ車両ヘッドライトは、相変化放熱、金属放熱フィン熱伝導放熱、空冷放熱及び放射放熱という四種の放熱技術手段を集合して、ＬＥＤ−ＣＯＢ光源から生じた熱量を高効率に直ちに発散させることにより、ＬＥＤ−ＣＯＢ光源を適宜の作動温度に保持することができる。テストによって、ＬＥＤ車両ヘッドライトを１００℃の雰囲気で作動させた場合、ＬＥＤ車両ヘッドライトの温度と雰囲気温度との差が１０℃以内であり、ダイオードＰＮ結合の限界温度より低いことが分かった。   As described above, the LED vehicle headlight according to the present example is produced from the LED-COB light source by collecting four kinds of heat radiation technical means of phase change heat radiation, metal heat radiation fin heat conduction heat radiation, air cooling heat radiation and radiation heat radiation. The LED-COB light source can be maintained at an appropriate operating temperature by immediately dissipating the amount of heat with high efficiency. Tests have shown that when the LED vehicle headlight is operated in an atmosphere of 100 ° C., the difference between the LED vehicle headlight temperature and the ambient temperature is within 10 ° C., which is lower than the limit temperature of the diode PN coupling.

「Ｔ」型の構成の立体べーパチャンバは、冷却液の流動のストロークが短く、循環速度が速い、蒸発室と凝縮室の面積が更に大きく、ＬＥＤ−ＣＯＢ光源及びその他の放熱部品との取付が容易であり、且つ吸熱放熱効果が更に良好である。   The “T” -shaped configuration of the three-dimensional vapor chamber has a short coolant flow stroke, a high circulation speed, a larger area for the evaporation chamber and the condensation chamber, and can be mounted with an LED-COB light source and other heat dissipation components. It is easy and the endothermic heat dissipation effect is even better.

全体構成の防振効果がよく、構成が牢固である。また、取付けしやすく、合焦が精確であり、既存のランプを取替えることができ、各種の車両に適用させることができる。   The whole structure has a good anti-vibration effect, and the structure is imperative. In addition, it is easy to install, the focus is accurate, the existing lamp can be replaced, and it can be applied to various vehicles.

以上の各実施例の説明は、本発明の技術方案を説明するだけに用いられ、本発明を限定するものではない。前記の各実施例を参照して本発明を詳細に説明したが、当業者にとって、前記各実施例に記載の技術方案に対して改正することができ、又はその一部或いは全部の技術特徴を均等に取替えることができる。これらの改正又は取替えは、相応する技術方案の実質を本発明の各実施例の技術方案の範囲から離脱させない。   The above description of each embodiment is used only to describe the technical solution of the present invention, and does not limit the present invention. Although the present invention has been described in detail with reference to each of the above-described embodiments, those skilled in the art can revise the technical solutions described in the above-described embodiments, or some or all of the technical features thereof. Can be replaced evenly. These revisions or replacements do not depart from the scope of the technical solutions of the respective embodiments of the present invention.

１ ＬＥＤ−ＣＯＢ光源
２ 電球金属カバー
３ 立体べーパチャンバ
４ フィン付放熱器
５ ファン
６ 固定枠
７ 通電中継板
８ 石英ガラス防護管
９ 気相冷却液
１０ 液相冷却液
３０１ 蒸発端
３０２ 凝縮端
３０３ 蒸発室
３０４ 凝縮室
３０５ 毛細芯層
３０６ ハウジング DESCRIPTION OF SYMBOLS 1 LED-COB light source 2 Light bulb metal cover 3 Solid vapor chamber 4 Fin radiator 5 Fan 6 Fixed frame 7 Current relay plate 8 Silica glass protective tube 9 Gas phase coolant 10 Liquid phase coolant 301 Evaporating end 302 Condensing end 303 Evaporating Chamber 304 Condensing chamber 305 Capillary core layer 306 Housing

Claims (10)

立体べーパチャンバと、ＬＥＤ−ＣＯＢ光源と、電球金属カバーと、フィン付放熱器とファンから構成されるＬＥＤ車両ヘッドライトであって、
前記立体べーパチャンバは、長板状の中空の蒸発室及び平板状の中空の凝縮室を有し、前記蒸発室は前記凝縮室の表面に垂直に固定されることにより断面が「Ｔ」型の立体構造を成し、且つ前記蒸発室と前記凝縮室はともに冷却液が充填され、互いに連通する真空室で、前記蒸発室と前記凝縮室の内壁に毛細芯層が設置され、
前記ＬＥＤ−ＣＯＢ光源は、前記蒸発室の外側表面に貼設され、熱を前記立体べーパチャンバの蒸発室内に伝達し、
前記フィン付放熱器は、前端が前記凝縮室の外側表面に貼設され、前記立体べーパチャンバの凝縮室を冷却し、
前記ファンは、前記フィン付放熱器の後端に設けられ、前記フィン付放熱器の冷却を加速し、
前記電球金属カバーは、前記ＬＥＤ−ＣＯＢ光源及び前記立体べーパチャンバの外側に外嵌して、且つ前記電球金属カバーがマグネシウム合金材料製であることを特徴とする、
ＬＥＤ車両ヘッドライト。 An LED vehicle headlight composed of a three-dimensional vapor chamber, an LED-COB light source, a light bulb metal cover, a finned radiator and a fan,
The three-dimensional vapor chamber has a long plate-like hollow evaporation chamber and a flat hollow condensing chamber, and the evaporation chamber is fixed perpendicularly to the surface of the condensing chamber so that the cross section has a “T” shape. A three-dimensional structure and both the evaporation chamber and the condensing chamber are filled with a cooling liquid, and are in a vacuum chamber communicating with each other, and a capillary core layer is installed on the inner walls of the evaporation chamber and the condensing chamber,
The LED-COB light source is attached to the outer surface of the evaporation chamber, and transfers heat to the evaporation chamber of the three-dimensional vapor chamber.
The finned radiator has a front end attached to the outer surface of the condensation chamber, and cools the condensation chamber of the three-dimensional vapor chamber,
The fan is provided at a rear end of the finned radiator, and accelerates cooling of the finned radiator.
The light bulb metal cover is fitted on the outside of the LED-COB light source and the three-dimensional vapor chamber, and the light bulb metal cover is made of a magnesium alloy material.
LED vehicle headlight. 前記蒸発室は長方形で、前記凝縮室は円形で、且つ前記凝縮室の厚さは前記蒸発室の厚さより大きいことを特徴とする、
請求項１に記載のＬＥＤ車両ヘッドライト。 The evaporation chamber is rectangular, the condensation chamber is circular, and the thickness of the condensation chamber is larger than the thickness of the evaporation chamber,
The LED vehicle headlight according to claim 1. 前記ＬＥＤ−ＣＯＢ光源は、２セットであり、それぞれ前記蒸発室の上下の二つの表面に貼設され、且つ前記ＬＥＤ−ＣＯＢ光源と前記蒸発室の厚さの合計が３ｍｍを超えないことを特徴とする、
請求項１に記載のＬＥＤ車両ヘッドライト。 The LED-COB light sources are two sets, which are respectively attached to the upper and lower surfaces of the evaporation chamber, and the total thickness of the LED-COB light source and the evaporation chamber does not exceed 3 mm. And
The LED vehicle headlight according to claim 1. 前記フィン付放熱器は円形構成とし、その外面に１８０°の平行風路が設けられることを特徴とする、
請求項２に記載のＬＥＤ車両ヘッドライト。 The finned radiator has a circular configuration, and a 180 ° parallel air passage is provided on an outer surface thereof.
The LED vehicle headlight according to claim 2. 固定枠及び通電中継板を更に有し、
前記固定枠は、前記通電中継板と重ね合せの状態で前記フィン付放熱器と前記ファンの間に設けられて、前記通電中継板が前記ファン及び前記ＬＥＤ−ＣＯＢ光源に給電することを特徴とする、
請求項１に記載のＬＥＤ車両ヘッドライト。 It further has a fixed frame and a current relay plate,
The fixed frame is provided between the finned radiator and the fan in a state of being overlapped with the energization relay plate, and the energization relay plate supplies power to the fan and the LED-COB light source. To
The LED vehicle headlight according to claim 1. 前記立体べーパチャンバ、前記フィン付放熱器、前記固定枠及び前記通電中継板がいずれも純銅で製造されることを特徴とする、
請求項５に記載のＬＥＤ車両ヘッドライト。 The three-dimensional vapor chamber, the finned radiator, the fixed frame, and the energizing relay plate are all made of pure copper,
The LED vehicle headlight according to claim 5. 前記ファンはねじで前記固定枠及び前記通電中継板と接続されることを特徴とする、
請求項６に記載のＬＥＤ車両ヘッドライト。 The fan is connected to the fixed frame and the energization relay plate with screws,
The LED vehicle headlight according to claim 6. 前記立体べーパチャンバと、前記ＬＥＤ−ＣＯＢ光源と、前記電球金属カバーと、前記フィン付放熱器と、前記固定枠と前記通電中継板との間は鉛フリーの錫銀銅ペーストで高温溶接より接続されることを特徴とする、
請求項６に記載のＬＥＤ車両ヘッドライト。 The three-dimensional vapor chamber, the LED-COB light source, the light bulb metal cover, the finned radiator, the fixed frame, and the energizing relay plate are connected by high temperature welding with lead-free tin-silver-copper paste. It is characterized by being
The LED vehicle headlight according to claim 6. 前記電球金属カバーの外部に装着される石英ガラス防護管を有することを特徴とする、
請求項１〜請求項８のいずれかに記載のＬＥＤ車両ヘッドライト。 It has a quartz glass protective tube attached to the outside of the bulb metal cover,
The LED vehicle headlight according to claim 1. 前記電球金属カバーにカードスロット、差込口及びキャッチプレートが設けられ、各種車両ライトのアセンブリーハウジングと接続することを特徴とする、
請求項９に記載のＬＥＤ車両ヘッドライト。 The light bulb metal cover is provided with a card slot, a slot and a catch plate, and is connected to an assembly housing of various vehicle lights.
The LED vehicle headlight according to claim 9.
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