201002552 九、發明說明： 【發明所屬之技術領域】 本發明是有關於一種車頭燈’特別是指一種具有遠近 燈切換功能的半導體固態發光車頭燈。 【先前技術】 車輛行駛上路時，為了因應不同路況與視線需求，車 輛頭燈可以作遠、近燈的切換，以投射式（p〇ly Ellips〇id System)車頭燈為例，通常包含：一界定出一内部空間的反 射鏡、一設置在該反射鏡内部的光源、一設置在該反射鏡 下方的電磁閥、一設置在該光源前方並受該電磁閥驅動而 樞轉的遮光板，以及一設置在光源前方的凸透鏡。所述遮 光板可受該電磁閥帶動而相對光源前後樞擺，當遮光板位 於不同的樞擺位置並使光源發出的光線受到不同的遮擋作 用後，可以作為近光燈與遠光燈之切換。而目前應用最廣 之光源為高強度氣體放電燈（HID, High Intensity Discharge：) ο 另一方面，高亮度發光二極體之發展已漸趨成熟，由 於發光二極體具有高亮度、耗電量低、體積小等優點，目 前發光二極體已普遍使用於資訊、通訊及消費性電子產品 上，而且亦廣泛應用於第三煞車燈、方向燈、尾燈…等車 燈上。因此，如果能以發光二極體來取代ΗΠ)頭燈，對於 車頭燈之亮度、耗電量、體積等性質都能大幅改善。 【發明内容】 因此，本發明之目的，即在提供一種高亮度、省電、 5 201002552 體積小’並具有遠近燈切換功能的半導體固態發光車頭燈 〇 於是’本發明具有遠近燈切換功能的半導體固態發光 車頭燈 包含：一燈座、一發光單元，以及一遮光板。 該燈座包括一反射鏡，以及一位於該反射鏡前方的透 鏡°亥發光單元包括一設置在燈座上的半導體固態發光光 源°玄半導體固態發光光源發出的光線受該反射鏡反射並 、’i由該透鏡往前射出。該遮光板位於該半導體固態發光光 源與該透鏡之間，該遮光板可相對該發光單元前後移動而 在一個遠離該半導體固態發光光源的近燈位置，以及一個 鄰近該半導體固態發光光源的遠燈位置間移動。 【實施方式】 有關本發明之前述及其他技術内容、特點與功效，在 以下配σ參考圖式之五個較佳實施例的詳細說明中，將可 >月楚的呈現。在本發明被詳細描述之前，要注意的是，在 以下的說明内容中，類似的元件是以相同的編號來表示。· 參閱圖1、2，本發明具有遠近燈切換功能的半導體固 是可於不同狀態下投射201002552 IX. Description of the Invention: [Technical Field] The present invention relates to a headlight', and more particularly to a semiconductor solid-state lighting headlight having a near-to-light switching function. [Prior Art] When the vehicle is driving on the road, in order to respond to different road conditions and line of sight requirements, the vehicle headlights can be switched between far and near lights. For example, the projection type (p〇ly Ellips〇id System) headlights usually include: a mirror defining an internal space, a light source disposed inside the mirror, a solenoid valve disposed under the mirror, a visor disposed in front of the light source and pivoted by the solenoid valve, and A convex lens disposed in front of the light source. The visor can be pivoted forward and backward with respect to the light source by the electromagnetic valve. When the visor is located at different pivoting positions and the light emitted by the light source is blocked by different light, it can be used as a switch between the low beam and the high beam. . At present, the most widely used light source is High Intensity Discharge (HID). On the other hand, the development of high-brightness light-emitting diodes has gradually matured due to the high brightness and power consumption of the light-emitting diodes. Low-volume, small size and other advantages, the current LEDs have been widely used in information, communications and consumer electronics, and are also widely used in the third lights, direction lights, taillights and other lights. Therefore, if the headlights can be replaced by light-emitting diodes, the brightness, power consumption, volume and the like of the headlights can be greatly improved. SUMMARY OF THE INVENTION Therefore, the object of the present invention is to provide a semiconductor solid-state light-emitting headlight with high brightness, power saving, 5 201002552 small size and having a near-to-light switching function, and thus the semiconductor having the near-to-light switching function of the present invention. The solid state lighting headlight comprises: a lamp holder, a lighting unit, and a visor. The lamp holder includes a mirror, and a lens located in front of the mirror includes a semiconductor solid-state light source disposed on the lamp holder. The light emitted by the solid-state light source is reflected by the mirror, and i is ejected from the lens forward. The visor is located between the semiconductor solid-state illuminating light source and the lens, the visor is movable back and forth relative to the illuminating unit at a near-light position away from the semiconductor solid-state illuminating light source, and a high beam adjacent to the semiconductor solid-state illuminating light source Move between locations. [Embodiment] The foregoing and other technical contents, features and effects of the present invention will be presented in the following detailed description of the five preferred embodiments of the σ reference drawings. Before the present invention is described in detail, it is noted that in the following description, similar elements are denoted by the same reference numerals. · Referring to Figures 1 and 2, the semiconductor solid-state switching function of the present invention can be projected in different states.
月'J後移動且圖未示出的驅動裝置，該驅 動裝置之具體例為一電磁閱 態發光車頭燈之第一較佳實施例， 出近光燈（圖〗）與遠光燈（圖2)，j 該燈座1組裝的發光單元2、一遮A driving device that is moved after the month 'J and is not shown in the figure. A specific example of the driving device is a first preferred embodiment of an electromagnetic reading light headlight, a low beam light (picture) and a high beam light (Fig. 2), j the light unit 2 assembled by the lamp holder 1
過一光軸L的反射鏡u、 一個約呈四分之一橢球殼狀且下緣通 U、一結合在該反射鏡11前側且圖未 6 201002552 示出的透鏡框，以及女裝在该透鏡框前側的透鏡12。所 述反射鏡11之反射面可用多個橢圓方程式來表示，亦即該 反射鏡11為一個多橢圓反射鏡11。該透鏡12是與該透鏡 框組裝而位於反射鏡11前方。 該發光單元2包括一個半導體固態發光光源21，及一 電連接該半導體固態發光光源21的電路板22 ^該半導體固 恶發光光源21藉由電路板22來與該反射鏡丨丨組裝結合， 並且位於該光軸L上。本實施例之半導體固態發光光源21 為發光二極體。 該遮光單元3是可相對該燈座丨前後移動地組裝，所 述遮光單元3包括-個直立位於半導體固態發光光源21與 透鏡12間的遮光板3卜以及一自遮光板31底部向後水平 延伸於反射鏡11下方的作動板32。 參閱圖1、附件1，本發明之遮光單元3可受驅動而前 後移動，該遮光單元3 &而在—近燈位置與—遠燈位置間 ，換。當遮光單it 3位於圖！的近燈位置時，該遮光板Μ 遠離該半導體固態發光歧21，該半導體固態發光光源21 發出的光線會受該反射鏡u反射，之後有部分光線經由該 遮光單70 3的遮蔽或折射，而部分光線直接朝透鏡射入 Υ最後光線通過透鏡12的折射並投射於該絲L下方處而 形成近光燈，其光域分布如附件1所示。 參閲圖2、附件2,當遮光單元3被驅動而水平向後移 動至圖2的遠燈位置時，該遮光板31鄰近該半導體固態發 光光源21，此時受到遮光單元3所遮蔽之光線較少，光線 7 201002552 經由透鏡12折射後可投射到較高的位置並形成遠光燈，其 光域分布如附件2所示。 由於本實施例之半導體固態發光光源21為發光二極體 ，所述發光二極體與以往咖燈相較之下，具有下列優點 •發光二極體為冷發光、耗電量低、反應速度快，再加上 其體積小，容易配合應用上的需求製成極小或陣列式的元 件，而且發光二極體為固態裝置而耐震動，因此應用於遠 近燈切換之車頭燈上，可以達到體積小、亮度高等優點。 一般近光燈與遠光燈分別設計之車頭燈，約需要三組近光 燈核組，四组遠光燈模組，但本發明由發光二極體光源配 遮光單元3之私動來作遠、近光燈之切換，整體只需要 四個模組即可達到遠、近光燈之光強度需求，因此本發明 可以減少模組數量並降低成本。 參閱® 3 '附件3 ’本發明半導體固態發光車頭燈之第 二較佳實施例’與該第—較佳實施例大致相同，不同之處 在於：該遮光單元3為上下移動，當遮光單元3位於近燈 位置時，其設置狀態與該第—較佳實施例相同（如圖3假想 線所不）。當遮光單元3下降至遠燈位置時，其遮光板Μ頂 緣位於光軸L下方，而且光域分布如附件3所示。本實施 例藉由半導體固態發光錢21與該可上下㈣之遮光翠元 3的配合’同樣可以達到遠、近光燈切換之目的，而且其優 點與功效與該第一較佳實施例相同，故不再說明。 參閱圖4,本發明半導體固態發光車頭燈之第三較佳實 施例’與該第二較佳實施例大致相同，不同之處在於：該 201002552 遮光板31是以該作動板32之一個位於後端的支點端32i 作樞擺中心而樞擺。當遮光單元3位於圖中假想線所示的 近燈位置時，該作動板32為水平，遮光板31頂緣對齊該 光軸L，當遮光單元3向下樞擺至遠燈位置時該作動板 32為前低後高地傾斜設置，而遮光板31之頂緣位於光軸[ 下方。 參閱圖5,本發明半導體固態發光車頭燈之第四較佳實 施例之遮光單元3,僅包括一直立設置於半導體固態發光光 源21與透鏡12間的遮光板31，該遮光板31包括一個位於 右側的支點端311，以及一個位於左側的樞擺端312，該樞 擺端312以該支點端311為柩轉中心而前後枢擺。當遮光板 31位於圖5假想線所示的近燈位置時，遮光板31與該透鏡 12之一入射面12ι為平行設置，且樞擺端312遠離該反射 鏡U，當遮光單元3向後轉動一角度值而位於遠燈位置時 ，遮光單元3之樞擺端312靠近該反射鏡u。 參閱圖6、7,本發明半導體固態發光車頭燈之第五較 佳實施例之遮光單元3，包括一固定裝置33，以及一設置 在該固定裝置33後侧的遮光板31。該固定裝置33包括二 個左右間隔的固定板331，該等固定板331共同界定出一個 位於中央的出光口 33〇。當該遮光板31位於圖6之近燈位 置時，遮光板31對應並遮蔽該出光口 33〇,當遮光板31向 右平移至圖7的遠燈位置時，該出光口 33〇不再受到遮蔽 。需要說明的是’本實施例之固定裝置33設置二塊間隔之 固疋板331疋為了界定該出光口 330，但實雄時固定板331 9 201002552 不需限定為二塊，例如可以僅由一片左右延伸之長板塊中 間鏤空挖洞。而該遮光板31之左右移動是為了遮蔽出光口 330或不遮蔽出光口 330，因此實施時亦可以向左平移，或 者將遮光板31設於固定裝置33前方亦可。 综上所述，本發明藉由半導體固態發光光源21配合可 移動之遮光板31，進而達到遠、近燈切換作用，同時兼具 间冗度、省電、減少模組數目、體積小、耐震動等優點。 惟以上所述者，僅為本發明之較佳實施例而已，當不 能以此限定本發明實施之範圍，即大凡依本發明申請專利 乾圍及發明說明内容所作之簡單的等效變化與修飾，皆仍 屬本發明專利涵蓋之範圍内。 【圖式簡單說明】 圖1疋本發明具有遠近燈切換功能的半導體固態發光 車頭燈之第一較佳實施例的側視示意圖，圖中該車頭燈 之一遮光單元位於—近燈位置； 圖2是一類似圖1的示意圖，同時顯示該遮光單元位 於一遠燈位置； 圖3是本發明具有遠近燈切換功能的半導體固態發光 頭燈之第一較佳實施例的示意圖，圖中該車頭燈之一 遮光單位於一遠燈位置，而假想線顯示該遮光單元位於 一近燈位置； 圖4疋本發明具有遠近燈切換功能的半導體固態發光 車頭燈之一裳：“ > —季父佳實施例的示意圖，圖中該車頭燈之一 遮光單7G位於一遠燈位置，而假想線顯示該遮光單元位於 10 201002552 一近燈位置； 圖5是本發明具有遠近燈切換功能的半導體固態發光 車頭燈之一第四較佳實施例的俯視示意圖； 圖6疋本發明具有遠近燈切換功能的半導體固態發光 車頭燈之一第五較佳實施例的立體示意圖，圖中該車頭燈 之一遮光板位於一近燈位置；及 圖7是一類似圖6的示意圖，同時顯示該遮光板位於 一遠燈位置。 【附件說明】 &附件1為該第-較佳實施例於近光燈狀態，並在光源 刖方25公尺處的光域分布圖，圖中橫軸代表光源前方左右 :J的水平角纟’左方縱軸標示上下的角度、右方刻度標 不母-條線條所代表的照度(單位為Lux); 附件2為該第一較伟音#点丨+人土丨 话實知1例於遠光燈狀態的光域分布 圖； 附件3為該第二輕社每 θ施例於遠光燈狀態的光域分布 201002552 附件1a mirror u passing through an optical axis L, a lens frame having a quarter-ellipsoidal shell shape and a lower edge passing U, a lens frame coupled to the front side of the mirror 11 and not shown in FIG. 6 201002552, and a women's clothing The lens 12 on the front side of the lens frame. The reflecting surface of the mirror 11 can be represented by a plurality of elliptical equations, that is, the mirror 11 is a multi-elliptical mirror 11. The lens 12 is assembled with the lens frame and located in front of the mirror 11. The light emitting unit 2 includes a semiconductor solid-state light source 21, and a circuit board 22 electrically connected to the semiconductor solid-state light source 21. The semiconductor solid-state light source 21 is assembled and assembled with the mirror by a circuit board 22, and Located on the optical axis L. The semiconductor solid-state light source 21 of the present embodiment is a light-emitting diode. The light shielding unit 3 is assembled to be movable back and forth with respect to the lamp holder. The light shielding unit 3 includes a light shielding plate 3 erected between the semiconductor solid state light emitting source 21 and the lens 12 and a horizontally extending rearward from the bottom of the light shielding plate 31. Actuating plate 32 below mirror 11. Referring to Figure 1 and Figure 1, the light-shielding unit 3 of the present invention can be driven to move forward and backward, and the light-shielding unit 3 & is switched between the near-light position and the --light position. When the shading single it 3 is located in the map! When the light is near the lamp position, the light shielding plate 远离 is away from the semiconductor solid-state light-emitting segment 21, and the light emitted by the semiconductor solid-state light-emitting source 21 is reflected by the mirror u, and then some light is shielded or refracted by the light-shielding sheet 70 3 . A part of the light is directly incident on the lens, and the last light is refracted by the lens 12 and projected below the wire L to form a low beam, and its optical domain distribution is as shown in Annex 1. Referring to FIG. 2 and FIG. 2, when the light shielding unit 3 is driven to move horizontally backward to the position of the remote light of FIG. 2, the light shielding plate 31 is adjacent to the semiconductor solid-state light source 21, and the light blocked by the light shielding unit 3 is Less, the light 7 201002552 can be projected through the lens 12 to a higher position and form a high beam, the light field distribution is shown in Annex 2. Since the semiconductor solid-state light-emitting source 21 of the present embodiment is a light-emitting diode, the light-emitting diode has the following advantages compared with the conventional coffee lamp. The light-emitting diode has cold light emission, low power consumption, and reaction speed. Fast, coupled with its small size, it is easy to make very small or array components with the application requirements, and the light-emitting diode is a solid-state device and is resistant to vibration, so it can be used for the headlights of distant and near-light switching. Small, high brightness and other advantages. Generally, the headlights designed by the low beam and the high beam respectively require three sets of low beam nuclear groups and four sets of high beam modules. However, the present invention is made by the private light of the light emitting diodes and the light shielding unit 3 The switching between the far and low beam lights requires only four modules to achieve the light intensity requirements of the far and low beam lights. Therefore, the present invention can reduce the number of modules and reduce the cost. Referring to ® 3 'Attachment 3', the second preferred embodiment of the semiconductor solid-state lighting headlight of the present invention is substantially the same as the first preferred embodiment, except that the shading unit 3 is moved up and down, when the shading unit 3 When it is located at the position of the near lamp, its setting state is the same as that of the first preferred embodiment (as shown in the imaginary line of Fig. 3). When the shading unit 3 is lowered to the far-light position, the top edge of the shading plate is located below the optical axis L, and the optical domain distribution is as shown in Annex 3. In this embodiment, by the cooperation of the semiconductor solid-state light-emitting money 21 and the up-and-down (four) light-shielding Cuiyuan 3, the purpose of far and low beam switching can be achieved, and the advantages and effects thereof are the same as those of the first preferred embodiment. Therefore, no longer explain. Referring to FIG. 4, a third preferred embodiment of the semiconductor solid-state lighting headlight of the present invention is substantially the same as the second preferred embodiment, except that the 201002552 visor 31 is located behind the actuation panel 32. The fulcrum end 32i of the end pivots at the center of the pivot. When the light shielding unit 3 is located at the near lamp position shown by the phantom line in the figure, the actuation plate 32 is horizontal, and the top edge of the light shielding plate 31 is aligned with the optical axis L, and the movement is performed when the light shielding unit 3 is pivoted downward to the position of the remote light. The plate 32 is disposed obliquely from the front low to the rear high, and the top edge of the shutter 31 is located on the optical axis [below. Referring to FIG. 5, the light-shielding unit 3 of the fourth preferred embodiment of the semiconductor solid-state light-emitting headlight of the present invention includes only the light-shielding plate 31 disposed between the semiconductor solid-state light-emitting source 21 and the lens 12, and the light-shielding plate 31 includes a The fulcrum end 311 on the right side and a pivoting end 312 on the left side, the pivoting end 312 pivots forward and backward with the fulcrum end 311 as the center of rotation. When the visor 31 is located at the near lamp position shown by the phantom line of FIG. 5, the visor 31 is disposed in parallel with the incident surface 12 of the lens 12, and the pivoting end 312 is away from the mirror U, and the shutter unit 3 is rotated backward. When the angle is at the remote position, the pivoting end 312 of the shading unit 3 is close to the mirror u. Referring to Figures 6 and 7, a shading unit 3 of a fifth preferred embodiment of the semiconductor solid state lighting headlight of the present invention includes a fixing device 33, and a visor 31 disposed on the rear side of the fixing device 33. The fixing device 33 includes two left and right spaced fixing plates 331 which collectively define a centrally located light exit opening 33. When the visor 31 is located at the near lamp position of FIG. 6, the visor 31 corresponds to and shields the light exit port 33, and when the visor 31 is translated to the right to the position of the high beam of FIG. 7, the light exit port 33 is no longer subjected to Shaded. It should be noted that the fixing device 33 of the embodiment is provided with two spaced-apart fixing plates 331 疋 in order to define the light-emitting port 330, but the real-time fixing plate 331 9 201002552 need not be limited to two pieces, for example, only one piece The middle of the long section extending left and right is hollowed out and burrowed. The left and right movement of the visor 31 is for shielding the optical port 330 or not for shielding the optical port 330. Therefore, it may be translated to the left during the implementation, or the visor 31 may be disposed in front of the fixing device 33. In summary, the present invention cooperates with the movable visor 31 by the semiconductor solid-state illuminating light source 21, thereby achieving the switching function of the far and the near lights, and at the same time having the redundancy, power saving, reducing the number of modules, small volume, and shock resistance. Move and other advantages. However, the above is only the preferred embodiment of the present invention, and the scope of the present invention cannot be limited thereto, that is, the simple equivalent change and modification of the patent application and the description of the invention according to the present invention. All remain within the scope of the invention patent. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a side elevational view of a first preferred embodiment of a semiconductor solid-state lighting headlight having a near-to-light switching function, in which a light-shielding unit of the headlight is located at a near-light position; 2 is a schematic view similar to FIG. 1 , showing that the light shielding unit is located at a remote lamp position; FIG. 3 is a schematic view of the first preferred embodiment of the semiconductor solid state lighting head lamp with the near and far light switching function of the present invention. One of the lamps has a light-shielding unit at a remote lamp position, and the imaginary line indicates that the light-shielding unit is located at a near-light position; FIG. 4 is one of the semiconductor solid-state illumination headlights having the near-to-near light switching function of the present invention: "> - season father A schematic diagram of a preferred embodiment, in which one of the headlights 7B is located at a remote lamp position, and the imaginary line indicates that the shading unit is located at 10 201002552 a near lamp position; FIG. 5 is a semiconductor solid state having a near and far lamp switching function of the present invention. A schematic view of a fourth preferred embodiment of a light-emitting headlight; FIG. 6 is a semiconductor solid-state light-emitting headlight with a near-to-light switching function A perspective view of a fifth preferred embodiment, in which one of the headlights of the headlight is located at a near lamp position; and FIG. 7 is a schematic view similar to FIG. 6, showing that the shutter is located at a remote position. 】 & Annex 1 is the light field distribution diagram of the first preferred embodiment in the low beam state and 25 meters away from the light source. In the figure, the horizontal axis represents the left and right of the light source: the horizontal angle of J 纟 'left The vertical axis indicates the upper and lower angles, the right scale indicates the illuminance represented by the parent-strip line (unit is Lux); Annex 2 is the first more Weiyin #点丨+人土丨话实知一例一远The distribution of the light field in the state of the light; Annex 3 is the distribution of the light field in the high beam state per θ instance of the second light society 201002552 Annex 1
Vertical angleVertical angle
11.29745 9.00000 5.00000 1.00000 0.70000 v. 12 201002552 附件211.29745 9.00000 5.00000 1.00000 0.70000 v. 12 201002552 Attachment 2
Vertical angleVertical angle
11.29775 9.00000 5.00000 1.00000 0.70000 13 201002552 附件311.29775 9.00000 5.00000 1.00000 0.70000 13 201002552 Annex 3
Vertical angleVertical angle
11.29775 14 201002552 【主要元件符號說明】 1 <· y <. X « 11 •…燈座 311 ……支點端 w ^^ •…反射鏡 312·· …-極擺端 1 1 。 •…透鏡 32 · · · * ……作動板 121 …·入射面 321 ·· ……支點端 〇 / ψ Ϊ « ί * S *…發光单元 3 3***· …"固定裝置 21…·… …半導體固態發光光源 330 ·· ……出光口 2 21 ^ λ …·電路板 331 - …"固定板 3 ·'··' -…遮光單元 L ‘…· ……1光轴 1 ^ ^ •…遮光板 1511.29775 14 201002552 [Description of main component symbols] 1 <· y <. X « 11 •... Lamp holder 311 ... fulcrum end w ^^ •... Mirror 312·· ... - pole swing end 1 1 . •...Lens 32 · · · * ......actuating plate 121 ...·incidence surface 321 ··...... fulcrum end 〇 / ψ Ϊ « ί * S *... illuminating unit 3 3***· ..."fixing device 21...· ... semiconductor solid-state light source 330 ·· ...... light exit 2 21 ^ λ ... · circuit board 331 - ... " fixed plate 3 · '··' -... shading unit L '...·...1 optical axis 1 ^ ^ •...shading 15