1221935 五、發明說明(l) 發明所屬之技術領域 本發明係有關雷射線產生裝置,尤其是產生十字形光 跡的雷射線產生裝置及鏡頭。 先前技術 近年來,由於可見光半導體雷射技術趨於成熟,價格 也逐漸下降,因此使用可見光半導體雷射的產品也逐漸地 普及。其中尤以雷射指標器(Laser Pointer )因為具有 易於攜帶、使用方便等優點,所以在演講、簡報、教學等 方面的使用日益廣泛。又有雷射指標器,可產生十字形光 跡’提供建築或裝璜業者,直接照射於物體表面,顯示水 平線及垂直線,使施工更為便利。 美國專利第60 69748號,揭示一種雷射線產生系統 (LASER LINE GENERATOR SYSTEM)。包括在一可發出發 政雷射線(diverging laser beam)的雷射源前方置一鏡 片。該鏡片在一截面上呈凹透鏡型態(negative 〇ptical power) ’在另一截面上呈凸透鏡型態(p〇sitive optical power),使發散雷射線經鏡片的折射後,可在 一被照物表面形成一雷射線。 發明人曾申請美國及大陸專利,美國專利申請號為 1 0/1 42, 845,大陸專利公開號為CN1 375724A。揭示一種十 字形光跡雷射線產生裝置及其鏡頭(cr〇SS-SHAPED beam LASER RAY DEVICE AND LENS)。該鏡頭是由兩相等直徑 相父的柱面鏡的交錯部分所組成的交錯柱面鏡。雷射源發 出的發散雷射線經一凸透鏡聚焦之後,再經由該鏡頭的折1221935 V. Description of the invention (l) Technical field to which the invention belongs The present invention relates to a lightning ray generating device, in particular a lightning ray generating device and a lens for generating a cross-shaped light trace. Prior technology In recent years, as the visible semiconductor laser technology has matured and prices have gradually decreased, products using visible semiconductor lasers have also become popular. Among them, the laser pointer (Laser Pointer) is more and more widely used in lectures, briefings, and teaching because it has the advantages of being easy to carry and convenient to use. There is also a laser indicator, which can generate cross-shaped light traces, which can be used by the building or decoration industry to directly illuminate the surface of the object and display horizontal and vertical lines, making construction more convenient. US Patent No. 60 69748 discloses a LASER LINE GENERATOR SYSTEM. This includes placing a mirror in front of a laser source that emits a diverging laser beam. The lens has a negative lenticular power on one cross section and a convex optical power on the other cross section. The divergent thunder rays can be refracted by the lens and can be used on a subject. A light ray forms on the surface. The inventor has applied for US and mainland patents. The US patent application number is 1 0/1 42, 845, and the mainland patent publication number is CN1 375724A. A zigzag-shaped light-ray ray generating device and its lens (cr0SS-SHAPED beam LASER RAY DEVICE AND LENS) are disclosed. This lens is a staggered cylindrical lens composed of staggered sections of two equal diameter cylindrical lenses. After the divergent laser rays from the laser source are focused by a convex lens, they pass through the lens
1221935 五、發明說明(2) 射而產生十字形光束。 上述美國專利的雷射源發出的發散雷射線,在兩垂直 截面上具有不相等的量。其雷射線產生系統無法產生相等 長度及亮度的十字形雷射線。 發明人上述專利申請案的交錯柱面鏡雖可產生相等長 度及亮度的十字型雷射線,但在相同雷射源的情況下,無 法視使用者的需要,加大十字形雷射線的投射角度,或縮 短十字形雷射線的投射角度,但增加其亮度以增加投射的 距離。或者使十字型雷射線具有更明亮的中心點,使中心 點可以投射更遠的距離,且更容易被辨識。 發明内容 本發明的主要目的,在提供一種雷射線產生裝置,及 各種非球面鏡頭,能配合使用者不同的需求,產生不同長 度及免度的十字形雷射線光跡,且具有較明亮的中心點。 實施方式 請參閱圖1所示,本發明雷射線產生裝置的第一實施 例’包括一雷射源(Laser source ) 1〇、一產生平行光 束的鏡組單元20 (collimator lens element)及一非球 面鏡單元30所組成。雷射源10可發射發散雷射線丨丨。鏡組 單元20置於雷射源1〇的雷射線發射端。非球面鏡單元3〇置 於鏡組單元2 0折射雷射線的射出端。發散雷射線丨1經鏡組 單元20折射後,成為平行光束射在非球面鏡單元⑽的一 邊,再經非球面鏡單元30的折射,由另一邊射出兩垂直相 交呈十字型的雷射線41、42。一部分的平行光束直接穿過1221935 V. Description of the invention (2) The cross-shaped beam is generated. The divergent laser rays emitted by the laser source of the aforementioned U.S. patent have unequal amounts in two vertical sections. Its lightning ray generation system cannot produce cross-shaped lightning rays of equal length and brightness. Although the staggered cylindrical mirror of the inventor's patent application can generate cross-type laser rays of equal length and brightness, in the case of the same laser source, the projection angle of the cross-shaped laser rays cannot be increased according to the needs of the user. , Or shorten the projection angle of the cross-shaped thunder ray, but increase its brightness to increase the projection distance. Or make the cross-shaped lightning ray have a brighter center point, so that the center point can project a longer distance and be more easily identified. SUMMARY OF THE INVENTION The main object of the present invention is to provide a lightning ray generating device and various aspheric lenses, which can meet the different needs of users, generate cross-shaped lightning ray traces of different lengths and degrees of freedom, and have a brighter center. point. For an implementation, please refer to FIG. 1. The first embodiment of the laser radiation generating device according to the present invention includes a laser source 10, a collimator lens element 20 for generating a parallel light beam, and a non- Spherical mirror unit 30. The laser source 10 can emit divergent laser rays. The lens group unit 20 is placed at the laser emitting end of the laser source 10. The aspherical mirror unit 30 is arranged at the exit end of the refracted thunder ray by the mirror group unit 20. The divergent thunder rays 丨 1 is refracted by the mirror unit 20, and then becomes a parallel beam of light hitting one side of the aspherical mirror unit 再, and then refracted by the aspheric mirror unit 30, and emits two cross-shaped thunder rays 41 and 42 perpendicularly crossing from the other side . Part of the parallel beam goes straight through
第6頁 1221935 五、發明說明 非球面鏡單元30連通兩邊的中央貫穿孔31,投射在雷射線 41、42的交點43上,使交點43具有較亮的光點。 、、、 一請參閱圖1、圖2、圖3所示。本實施例的非球面鏡單 元30 ’面向鏡組單元20的一邊為一平面3〇〇,另一邊包括 第一曲面32、第二曲面3 3、第三曲面34、第四曲面35。第 一曲面3 2及第二曲面34在相對邊;第二曲面33及第四曲面 35在相對邊,第一曲面32、第三曲面34分別與第二曲面33 =第四曲面35相連接。如圖2所示,通過圖2所示的非球面 單元30貫穿孔31的xz平面之截面,顯示第一曲面“及第三 曲面34與平面300形成兩個相連的部分柱面。第一曲面 及第三曲面34由相對於平面300的最高處321、341向兩側 彎曲。貫穿孔31在最高處321、341下方的位置。如圖3所 示,通過圖1所示的非球面單元3〇貫穿孔31的口平面之截 面,顯不第二曲面33及第四曲面35與平面3〇〇也形成兩個 相連的部分柱面。 凊參閱圖4所示。本發明第二實施例的非球面鏡單元 51的相對邊的曲面511、5丨2為非對稱性的設計。曲面5 i i 較曲面512具有較長的曲率半徑,可折射出較長的雷射Page 6 1221935 V. Description of the invention The aspherical mirror unit 30 communicates with the central through holes 31 on both sides and projects on the intersection 43 of the lightning rays 41 and 42 so that the intersection 43 has a brighter light spot. Please refer to Figure 1, Figure 2, and Figure 3. The side of the aspherical mirror unit 30 'of this embodiment facing the mirror unit 20 is a plane 300, and the other side includes a first curved surface 32, a second curved surface 3 3, a third curved surface 34, and a fourth curved surface 35. The first curved surface 32 and the second curved surface 34 are on opposite sides; the second curved surface 33 and the fourth curved surface 35 are on opposite sides, and the first curved surface 32 and the third curved surface 34 are connected to the second curved surface 33 = the fourth curved surface 35, respectively. As shown in FIG. 2, the cross section of the xz plane of the through-hole 31 of the aspherical unit 30 shown in FIG. 2 shows the first curved surface and the third curved surface 34 and the plane 300 forming two connected partial cylinders. The first curved surface The third curved surface 34 is curved to the two sides from the highest points 321 and 341 with respect to the plane 300. The through holes 31 are positioned below the highest points 321 and 341. As shown in FIG. 3, the aspherical unit 3 shown in FIG. 〇The cross section of the mouth plane of the through hole 31 shows that the second curved surface 33 and the fourth curved surface 35 and the plane 300 also form two connected partial cylinders. 凊 Refer to FIG. 4. The second embodiment of the present invention The curved surfaces 511, 5 丨 2 of the opposite sides of the aspherical mirror unit 51 are asymmetric designs. The curved surface 5 ii has a longer radius of curvature than the curved surface 512, and can refract a longer laser.
線。利用不同曲面的設計,可折射出不同長度及亮度的 字型雷射線。 一請參閱圖5、6所示。本發明第三實施例的非球面鏡單 兀5!,除了不具貫穿孔外,其餘形狀與圖1所示的非球面 $單元30相同,能折射出十字形的雷射線,但在十字形 父又點不具有較亮的光點。line. The use of different curved surface designs can refract font-shaped lightning rays of different lengths and brightness. Please refer to Figures 5 and 6. The aspherical mirror unit 5 of the third embodiment of the present invention is the same as the aspherical $ unit 30 shown in FIG. 1 except that it does not have a through hole, and can refract cross-shaped thunder rays, but in the cross-shaped parent Dots have no brighter spots.
第7頁 1221935 五、發明說明(4) 請參閱圖7、8所示。本發明第四實施例的非球面鏡單 元5 3 ’除了磨平四個曲面531、532、533、534下凹的交 點’使其具有與另一邊的平面530相平行的小平面535外, 其餘形狀與圖5所示的非球面鏡單元52相同。能射出十字 形的雷射線。但因一部分的平行光束,會直接穿過小平面 535而不會被偏折,故在十字形的交叉點,具有較亮的 點。 ,參閱圖9、1 0、11所示。本發明第五實施例的非球 面鏡單tl60,與圖5所示的非球面鏡單元52相同,均具有 四個曲面61、62、63、64。但四個曲面61、62、63、64的 交點65,位於相對於另一邊的平面6〇〇的最高處。四個曲 面61、62、63、64較非球面鏡單元52的四個曲面,具 長的曲率半徑。可折射出兩較長,但較不亮,相成= 形的雷射線66、67。 从τ子 請參閲圖12所示。本發明第六實施例的 71,與圖9所示的非捸而庐s β Λ J〜w規早疋 考m 的非球面鏡早疋6〇相較,除了磨平交點65 處成一與另一邊的平面71〇平行的小平面711 狀大致相同。 丨丹餘的形 請參閱圖1 3戶no ^ ^ 72,與圖12:干I ::本發明第七實施例的非球面鏡單元 j 3 所不的非球面鏡單元71相較,㊉了具有中本首 同。 代J、千面711的設計外,其餘形狀大致相 圖12、13所示的非球 字形的雷射線,且在交點處具有較亮的光點折射出十Page 7 1221935 V. Description of the Invention (4) Please refer to Figures 7 and 8. The aspherical mirror unit 5 3 of the fourth embodiment of the present invention, except for smoothing the intersections of the four curved surfaces 531, 532, 533, and 534, so that it has a small plane 535 parallel to the plane 530 on the other side This is the same as the aspherical mirror unit 52 shown in FIG. 5. Can emit cross-shaped lightning rays. However, since a part of the parallel light beam directly passes through the facet 535 without being deflected, it has a brighter point at the intersection of the cross shape. See Figures 9, 10, and 11. The aspherical mirror unit t60 of the fifth embodiment of the present invention is the same as the aspherical mirror unit 52 shown in Fig. 5 and has four curved surfaces 61, 62, 63, and 64. However, the intersection point 65 of the four curved surfaces 61, 62, 63, 64 is located at the highest point of the plane 600 relative to the other side. The four curved surfaces 61, 62, 63, 64 have a longer radius of curvature than the four curved surfaces of the aspherical mirror unit 52. It can refract two long, but less bright, ray = 66, 67 that form = shape. From tau, see Figure 12. The 71 of the sixth embodiment of the present invention is compared with the aspheric mirror early 60, which is not the same as shown in FIG. 9, as shown in FIG. 9, except that the one at the intersection 65 and the other are smoothed. The plane 71 and the parallel facets 711 are approximately the same.丨 For the shape of Dan Yu, please refer to FIG. 1. No. 72 ^ 72 is compared with FIG. 12: dry I :: aspherical mirror unit 71 of the seventh embodiment of the aspherical mirror unit j 3 of the present invention. This is the same. Except for the design of generation J and Qianian 711, the other shapes are roughly similar to the aspherical thunder rays shown in Figs. 12 and 13, and there are brighter light points at the intersections that refract ten.
第8頁Page 8
°月 |^| 1 y| 80的兩邊八 4所示。本發明第八實施例的非球面鏡單元 Μ的四個S別具有四個曲面,與圖5所示的非球面鏡單元 的雷射線。面相同,兩邊呈對稱性設計,能折射出十字形 Μ的兩邊分所示。本發明第九實施例的非球面鏡單元 60的四個^別具有四個曲面,與圖9所示的非球面鏡單元 的雷射線。面相同,兩邊呈對稱性設計’能折射出十字形 也可以分,非球面鏡單元80、90的各曲面交點的地方, 區域,穿孔或磨平的處理,成為-使雷射線不偏折的· 點。 射出的十字形雷射線,於交點處具有較亮的光 射束光 跡 合不同& ^的雷射線產生裝置’及各種非球面鏡頭,能配 距離之需求,產生不同長度及亮度的十字形雷 ^ 且可具有較明亮的中心點。 何熟率上所§己載,僅為利用本發明技術内容之實施例,任 “、、〜本項技藝者運用本發明所為之修飾、變化,皆屬本 發明主張之專利範圍,而不限於實施例所揭示者。° 月 | ^ | 1 y | 80 is shown on both sides of 8 4. The four spheres of the aspherical mirror unit M of the eighth embodiment of the present invention have four curved surfaces and the light rays of the aspherical mirror unit shown in FIG. 5. The faces are the same, and the two sides are symmetrically designed, which can reflect the two sides of the cross-shaped M as shown. Four of the aspherical mirror unit 60 of the ninth embodiment of the present invention have four curved surfaces, and the light rays of the aspherical mirror unit shown in FIG. 9. The surfaces are the same, and the two sides are symmetrically designed. They can be refracted into a cross shape and can also be divided. The places, areas, and perforations or flattening of the aspherical mirror units 80 and 90 are the points that do not deflect the thunder rays. . The emitted cross-shaped lightning ray has a brighter light beam at the intersection point with different ray-ray generating devices' and various aspheric lenses, which can match the distance requirements to generate cross-shaped ray with different length and brightness. Ray ^ and may have a brighter center point. § It is contained in § on the cooked rate, it is only an example of using the technical content of the present invention. Anyone who uses this invention to modify or change the invention belongs to the scope of the patent claimed by the present invention, and is not limited to it. Disclosed by the Examples.
第9頁 1221935 圖式簡單說明 圖式簡單說明 圖1為本發明雷射線產生裝置第一實施例示意圖。 圖2為圖1中的非球面鏡單元的一截面示意圖。 圖3為圖1中的非球面鏡單元的另一截面示意圖。 圖4為本發明非球面鏡單元第二實施例的一截面示意圖 圖5為本發明雷射線產生裝置的第三實施例示意圖。 圖6為圖5中的非球面鏡單元的一截面示意圖。 圖7為本發明雷射線產生裝置的第四實施例示意圖。 圖8為圖7中的非球面鏡單元的一截面示意圖。 圖9為本發明雷射線產生裝置的第五實施例示意圖。 圖10為圖9中的非球面鏡單元的一截面示意圖。 圖11為圖9中的非球面鏡單元的另一截面示意圖。 圖1 2為本發明非球面鏡單元第六實施例的一截面示意圖 圖1 3為本發明非球面鏡單元第七實施例的一截面示意圖 圖1 4為本發明非球面鏡單元第八實施例的立體示意圖。 圖1 5為本發明非球面鏡單元第九實施例的立體示意圖。 主要部分之代表符號 雷射源1 0 鏡組單元2 0 非球面鏡單元3 0 中央貫穿孔31 最高處321 、 341 第三曲面34 雷射線41、4 2 發散雷射線11 平面300 第一曲面3 2 第二曲面33 第四曲面35 交點4 3Page 9 1221935 Brief description of the drawings Brief description of the drawings FIG. 1 is a schematic diagram of the first embodiment of the lightning ray generating device of the present invention. FIG. 2 is a schematic cross-sectional view of the aspherical mirror unit in FIG. 1. FIG. 3 is another schematic cross-sectional view of the aspherical mirror unit in FIG. 1. Fig. 4 is a schematic cross-sectional view of a second embodiment of an aspherical mirror unit of the present invention. Fig. 5 is a schematic view of a third embodiment of a lightning ray generating device of the present invention. FIG. 6 is a schematic cross-sectional view of the aspherical mirror unit in FIG. 5. FIG. 7 is a schematic diagram of a fourth embodiment of a lightning ray generating device according to the present invention. FIG. 8 is a schematic cross-sectional view of the aspherical mirror unit in FIG. 7. FIG. 9 is a schematic diagram of a fifth embodiment of a lightning ray generating device according to the present invention. FIG. 10 is a schematic cross-sectional view of the aspherical mirror unit in FIG. 9. FIG. 11 is another schematic cross-sectional view of the aspherical mirror unit in FIG. 9. Fig. 12 is a schematic cross-sectional view of a sixth embodiment of an aspheric mirror unit of the present invention. Fig. 13 is a cross-sectional schematic view of a seventh embodiment of an aspheric mirror unit of the present invention. Fig. 14 is a perspective schematic view of an eighth embodiment of the aspheric mirror unit of the present invention. . FIG. 15 is a schematic perspective view of a ninth embodiment of an aspherical mirror unit according to the present invention. Symbols of the main parts Laser source 1 0 Mirror unit 2 0 Aspherical mirror unit 3 0 Central through hole 31 Highest point 321, 341 Third curved surface 34 Laser rays 41, 4 2 Diffuse laser rays 11 Plane 300 First curved surface 3 2 Second surface 33 Fourth surface 35 Intersection 4 3
第10頁 1221935 圖式簡單說明 非球面鏡單元51、52、53 曲面 511 、 512 曲面 531 、 532 、 533 、 534 曲面 61 、 62 、 63 、 64 雷射線6 6、6 7 ' 60 ' 71' 72 ' 80 ' 90 平面 530 ' 600 ' 710 小平面535、711 交點6 5 中央貫穿孔721Page 10 1221935 Schematic illustration of aspherical mirror unit 51, 52, 53 curved surface 511, 512 curved surface 531, 532, 533, 534 curved surface 61, 62, 63, 64 Ray ray 6 6, 6 7 '60' 71 '72' 80 '90 plane 530' 600 '710 facet 535, 711 intersection point 6 5 central through hole 721