1329235 Γ- 099年05月27日按正替換頁 六、發明說明： 【發明所屬之技術領威】 [0001] 本發明係關於一種變焦鏡頭模組。 【先前技術】 [0002] 隨著數位技術之不斷發展，數位相機由於其使用方便、 · 便於攜帶已被人們廣泛應用，尤其是可變焦數位相機越 來越受到廣大消費者之青睞。 [0003] 請參照第四圖，中國大陸專利第01 1 22817. 2號揭示一種 變焦相機之變焦鏡頭模組，其包括鏡筒61、螺紋圈62， φ 64、導環63，65、内轉動體66、後鏡頭框架67、前鏡頭 框架51、安裝於鏡頭框架上之透鏡組（圖未標）、前導 向框架68及變焦圈69等。藉由螺紋圈62，64、導環63， 65及内轉動體66之間之相互配合，相對移動前鏡頭框架 51和後鏡頭框架67而改變框架上之前透鏡組及後透鏡組 之間距，從而達到變焦之功能。然，該變焦鏡頭元件較 多，結構複雜，不方便組裝，因此難以滿足變焦相機微 型化之需求。 鲁 [〇〇〇4] 有鑑於此，提供一種結構簡單、組裝方便且易微型化之 變焦鏡頭模組實爲必要。 【發明内容】 [0005] 本發明之目的在於提供一種結構簡單、組裝方便且易微 型化之變焦鏡頭模組。 [0006] 本發明係一種變焦鏡頭模組，包括一鏡頭座、一轉動鏡 頭 '一多邊形鏡頭架' 一中心鏡頭與一影像感測器。該 093138287 表單編號Α0101 第3頁/共14頁 0993186340-0 1329235 099年05月27日核正替換百 轉動鏡頭設於該鏡頭座内且包括一多邊形鏡頭架，該多 邊形鏡頭架上安裝有複數個朝向不同並具有不同焦距之 透鏡組，且該多邊形鏡頭架之中央設置有一中心孔。該 影像感測器設置於該轉動鏡頭下端之鏡頭座内，並與該 轉動鏡頭之其中一個透鏡組對準。該中心鏡頭部分容置 於該多邊形鏡頭架之中心孔内，且與該轉動鏡頭之其中 一個鏡頭組同軸設置，該多邊形鏡頭架可繞該中心鏡頭 轉動。 [0007] 與習知技術相比，本發明變焦鏡頭模組藉由設置於轉動 鏡頭不同方向上之複數透鏡組來實現變焦功能，其結構 簡單、組裝方便且易微型化。 【實施方式】 [0008] 請參閱第一圖，本發明變焦鏡頭模組1包括一鏡頭座1 0、 一轉動鏡頭20、一中心鏡頭30及一影像感測器40。 [0009] 請同時參閱第二圖，鏡頭座10由不透光材料注塑而成， 包括一體成型之一側殼體101、一頂板102及一與側殼體 _ 101垂直相連之底板103。其中，侧殼體101兩側壁中央 相對各開設有一安裝孔1011 ;頂板102具有一定傾斜角度 ，其中央開設有一圓形鏡頭孔1021 ;底板103中央設置有 一容置孔1031，該容置孔1031為台階孔，用於安裝影像 感測器4 0。 [0010] 請同時參閱第三圖，轉動鏡頭20設置於鏡頭座10内，其 包括一多邊形鏡頭架21，該多邊形鏡頭架21中央設置有 一中心孔22。多邊形鏡頭架21之邊數通常為偶數，本實 施例中選用正八邊形，該多邊形鏡頭架21包括一正八邊 093138287 表單編號 A0101 第 4 頁/共 14 頁 0993186340-0 1329.235 [099年 05月 形周壁（未標示），周壁上對稱分佈有八個面，即分佈 於不同方向之四組平行面，每個面上設置有一凸起環210 ，凸起環210係於多邊形鏡頭架21每個面上垂直向外延伸 出之一圓環形凸台。另，於所述周壁每個面中央貫穿有 一鏡片安裝孔211，其貫穿於所述凸起環210，每個鏡片 安裝孔211里安裝有一鏡片組212，亦可為單個鏡片，或 僅部份鏡片安裝孔211内部設鏡片，但平行相對之安裝孔 211至少有其中之一設置有鏡片組212或者單個鏡片，每 組相對且平行平面上之鏡片組位於同一軸心線上，於是 共形成四個透鏡組LI、L2、L3、L4，其分别具有不同之 焦距，且每個透鏡組轉動到一定位置可與鏡頭座10頂板 102中央之圓形鏡頭孔1021中心對準。 [0011] 中心鏡頭30不可轉動，包括一鏡頭柱31及一組中心透鏡 32，鏡頭柱31為一圓柱體，於垂直其轴線方向之中央位 置貫通有一鏡片孔311，該中心透鏡32至少包含一片透鏡 ，設置於鏡頭柱31之鏡片孔311内。鏡頭柱31與多邊形鏡 頭架21之中心孔22配合，容置於多邊形鏡頭架21中心’ 攀 該多邊形鏡頭架21可相對鏡頭柱31旋轉。安裝時，使中 心鏡頭30之鏡片孔311中心與鏡頭座10頂板102之圓形鏡 頭孔1021中心對準，藉由鏡頭柱31將中心鏡頭30固設於 鏡頭座10側殼體101上之安裝孔1011中。 [0012] 影像感測器40其設置於鏡頭座10底板103之容置孔丨〇31 内，且與中心透鏡32位於同一光軸上，影像感測器40可 為CCD (Charge Coupled Device，電荷搞合器）影像 感測器，亦可為CMOS (Complementary Metal-Oxide 093138287 表單煸號A0101 第5頁/共14頁 0993186340-0 1329235 「099^5月27日核正替換i1329235 Γ - May 27, 099, according to the replacement page. VI. Description of the invention: [Technology of the invention] [0001] The present invention relates to a zoom lens module. [Prior Art] [0002] With the continuous development of digital technology, digital cameras have been widely used due to their ease of use and portability, especially zoom digital cameras are increasingly favored by consumers. [0003] Please refer to the fourth figure, Chinese Patent No. 01 1 22817. 2 discloses a zoom lens module of a zoom camera, which comprises a lens barrel 61, a threaded ring 62, φ 64, a guide ring 63, 65, and an inner rotation. The body 66, the rear lens frame 67, the front lens frame 51, a lens group (not shown) mounted on the lens frame, the front guide frame 68, the zoom ring 69, and the like. By the mutual cooperation between the threaded rings 62, 64, the guide rings 63, 65 and the inner rotating body 66, the front lens frame 51 and the rear lens frame 67 are relatively moved to change the distance between the front lens group and the rear lens group on the frame, thereby The zoom function is achieved. However, the zoom lens has many components, a complicated structure, and is inconvenient to assemble, so it is difficult to meet the demand for miniaturization of the zoom camera. Lu [〇〇〇4] In view of this, it is necessary to provide a zoom lens module that is simple in structure, easy to assemble, and easy to miniaturize. SUMMARY OF THE INVENTION [0005] It is an object of the present invention to provide a zoom lens module that is simple in structure, easy to assemble, and easy to miniaturize. The present invention is a zoom lens module including a lens mount, a rotating mirror 'a polygonal lens mount', a center lens and an image sensor. The 093138287 Form No. 1010101 Page 3 / Total 14 Page 0993186340-0 1329235 On May 27, 099, the nuclear replacement lens is disposed in the lens holder and includes a polygonal lens frame on which a plurality of lens frames are mounted. A lens group that faces different and has different focal lengths, and a central hole is disposed in the center of the polygonal lens frame. The image sensor is disposed in the lens holder at the lower end of the rotating lens and aligned with one of the lens groups of the rotating lens. The central lens portion is received in a central hole of the polygonal lens frame and disposed coaxially with one of the lens groups of the rotating lens, and the polygonal lens frame is rotatable around the central lens. Compared with the prior art, the zoom lens module of the present invention realizes a zoom function by a plurality of lens groups disposed in different directions of the rotating lens, and has a simple structure, convenient assembly, and easy miniaturization. [0008] Referring to the first figure, the zoom lens module 1 of the present invention includes a lens holder 10, a rotating lens 20, a center lens 30, and an image sensor 40. [0009] Referring also to the second figure, the lens mount 10 is injection molded from an opaque material, including an integrally formed one side case 101, a top plate 102, and a bottom plate 103 vertically connected to the side case _101. The mounting hole 1011 is defined in the center of the two side walls of the side wall 101. The top plate 102 has a certain angle of inclination, and a circular lens hole 1021 is defined in the center of the bottom plate 101. The receiving hole 1031 is disposed in the center of the bottom plate 103. Step hole for mounting image sensor 40. [0010] Please refer to the third figure at the same time, the rotating lens 20 is disposed in the lens mount 10, and includes a polygonal lens frame 21, and a central hole 22 is disposed in the center of the polygonal lens frame 21. The number of sides of the polygonal lens frame 21 is usually an even number. In this embodiment, a regular octagon is selected. The polygonal lens frame 21 includes a positive octagonal 093138287. Form number A0101 Page 4 / 14 pages 0993186340-0 1329.235 [0599 05-shaped The peripheral wall (not shown) has eight faces symmetrically distributed on the peripheral wall, that is, four sets of parallel faces distributed in different directions, and each face is provided with a convex ring 210 which is attached to each face of the polygonal lens frame 21. One of the annular bosses extends vertically outward. In addition, a lens mounting hole 211 is formed in the center of each surface of the peripheral wall, and the lens ring 212 is mounted in the lens mounting hole 211. Each lens mounting hole 211 is provided with a lens group 212, which may be a single lens or only a part. The lens mounting hole 211 is internally provided with a lens, but at least one of the parallel opposite mounting holes 211 is provided with a lens group 212 or a single lens, and each group of lens groups on opposite and parallel planes are located on the same axis line, thus forming four lenses. The lens groups LI, L2, L3, and L4 each have different focal lengths, and each lens group is rotated to a certain position to be aligned with the center of the circular lens hole 1021 at the center of the top plate 102 of the lens holder 10. [0011] The center lens 30 is non-rotatable, and includes a lens column 31 and a set of central lenses 32. The lens column 31 is a cylinder, and a lens hole 311 is penetrated through a central position perpendicular to the axial direction thereof. The center lens 32 includes at least a lens hole 311. A lens is disposed in the lens hole 311 of the lens column 31. The lens column 31 cooperates with the central hole 22 of the polygonal lens holder 21 and is accommodated in the center of the polygonal lens frame 21. The polygonal lens frame 21 is rotatable relative to the lens column 31. During installation, the center of the lens hole 311 of the center lens 30 is aligned with the center of the circular lens hole 1021 of the top plate 102 of the lens holder 10, and the central lens 30 is fixed to the lens housing 10 side housing 101 by the lens column 31. In the hole 1011. [0012] The image sensor 40 is disposed in the receiving aperture 31 of the bottom plate 103 of the lens mount 10 and is located on the same optical axis as the central lens 32. The image sensor 40 can be a CCD (Charge Coupled Device). Image sensor, can also be CMOS (Complementary Metal-Oxide 093138287 Form nickname A0101 Page 5 / 14 pages 0993186340-0 1329235 "099^May 27th nuclear replacement i
Semiconductor，互補金屬氧化物半導體）影像感測器 。另，於鏡頭座1〇底板103之容置孔1〇31上方設有封裝 玻璃401，將影像感測器40封裝於鏡頭座10内，對影像感 測器40起保護作用。 [0013] 變焦鏡頭模組1於初始位置時，轉動鏡頭2 0有一個透鏡組 與中心鏡頭30之中心透鏡32同轴設置’假定為透鏡組L1 ’入射光線經圓形鏡頭孔1021、轉動鏡頭20之一組透鏡 組L1之上端透鏡組、中心鏡頭30、轉動鏡頭20透鏡組L1 φ 之下端透鏡組、封裝玻璃401入射至影像感測器40上。變 焦時，轉動鏡頭20轉動到一定位置’使轉動鏡頭20另一 系且透鏡與中心鏡頭30之中心透鏡32同轴設置，假定為透 鏡組L2，於是得到一個新的合成焦距，同理藉由轉動鏡 頭20轉動可使透鏡組L3或L4與中心鏡頭30之中心透鏡32 位於同一軸心上，於是形成四個不同之合成焦距，實現 變焦，進而使遠近不同距離之物體成像於影像感測器40 上。 [0014] 可以理解，中心鏡頭30可省卻，同樣可以形成四個合成 焦距，實現變焦，使遠近不同距離之物體成像於影像感 測器40上。該變焦鏡頭模組i也可用於傳統相機，即用膠 片替換影像感測器。 [0015] 093138287 综上所述’本發明符合發明專利要件，爰依法提出專利 申請°惟，以上所述者僅為本發明之較佳實施例，本發 明之範圍並不以上述實施例為限，舉凡熟習本案技藝之 亡士援依本發明之精神所作之等效修飾或變化，皆應涵 盒於以下申請專利範圍内。 . 表單編號A0101 第6頁/共14頁 0993186340-0 1329.235 099年05月27日核正替换頁 【圖式簡單說明】 [0016] 第一圖係本發明變焦鏡頭模組之剖視圖； [0017] 第二圖係本發明變焦鏡頭模組另一方向之剖視圖； [0018] 第三圖係本發明變焦鏡頭模組之轉動鏡頭之立體圖； [0019] 第四圖係習知變焦鏡頭模組之剖視圖。 【主要元件符號說明】 [0020] 變焦鏡頭模組：1 [0021] 鏡頭座：10 [0022] 轉動鏡頭：20 [0023] 中心鏡頭：30 [0024] 影像感測器：40 [0025] 側殼體：101 [0026] 頂板：102 [0027] 底板：103 [0028] 安裝孔：1011 [0029] 圓形鏡頭孔：1021 [0030] 容置孔：1031 [0031] 多邊形鏡頭架：21 [0032] 中心孔：2 2 [0033] 凸起環：210 表單编號A0101Semiconductor, Complementary Metal Oxide Semiconductor) Image Sensor. In addition, a package glass 401 is disposed above the receiving hole 1〇31 of the bottom plate 103 of the lens holder 1 to encapsulate the image sensor 40 in the lens holder 10 to protect the image sensor 40. [0013] When the zoom lens module 1 is in the initial position, the rotating lens 20 has a lens group coaxially disposed with the central lens 32 of the central lens 30. 'Assumed that the lens group L1' enters light through the circular lens hole 1021, and rotates the lens. 20 one lens group L1 upper lens group, central lens 30, rotating lens 20 lens group L1 φ lower end lens group, and package glass 401 are incident on image sensor 40. When zooming, the rotating lens 20 is rotated to a certain position 'to make the other lens of the rotating lens 20 and the lens is coaxially disposed with the central lens 32 of the central lens 30, assuming the lens group L2, thus obtaining a new composite focal length, by the same reason The rotation of the rotating lens 20 can make the lens group L3 or L4 and the central lens 32 of the central lens 30 on the same axis, thus forming four different composite focal lengths to achieve zooming, thereby imaging objects at different distances from the image sensor. 40 on. [0014] It can be understood that the central lens 30 can be omitted, and four synthetic focal lengths can also be formed to realize zooming, so that objects of different distances can be imaged on the image sensor 40. The zoom lens module i can also be used in a conventional camera, that is, the image sensor is replaced with a film. [0015] 093138287 In summary, the present invention meets the requirements of the invention patent, and the patent application is filed according to law. However, the above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiment. The equivalent modifications or variations made by the singer who is familiar with the skill of the present invention in accordance with the spirit of the present invention shall be within the scope of the following patent application. Form No. A0101 Page 6 / Total 14 Page 0993186340-0 1329.235 Revision No. 5 of May 27, 1999 [Complete Description of Drawings] [0016] The first drawing is a cross-sectional view of the zoom lens module of the present invention; [0017] 2 is a cross-sectional view of another embodiment of the zoom lens module of the present invention; [0018] FIG. 3 is a perspective view of a rotating lens of the zoom lens module of the present invention; [0019] FIG. 4 is a cross-sectional view of a conventional zoom lens module . [Main component symbol description] [0020] Zoom lens module: 1 [0021] Lens mount: 10 [0022] Rotating lens: 20 [0023] Center lens: 30 [0024] Image sensor: 40 [0025] Side shell Body: 101 [0026] Top plate: 102 [0027] Base plate: 103 [0028] Mounting hole: 1011 [0029] Round lens hole: 1021 [0030] accommodating hole: 1031 [0031] Polygonal lens mount: 21 [0032] Center hole: 2 2 [0033] Raised ring: 210 Form number A0101
093138287 第7頁/共14頁 0993186340-0 1329235 099年05月27日修正替換頁 [0034] 鏡片安裝孔：211 [0035] 鏡片組：21 2 [0036] 鏡頭柱：31 [0037] 中心透鏡：32 [0038] 鏡片孔：311 [0039] 封裝玻璃：401 0993186340-0 093138287 表單編號A0101 第8頁/共14頁093138287 Page 7 of 14 0993186340-0 1329235 Modified on May 27, 099 Replacement page [0034] Lens mounting hole: 211 [0035] Lens group: 21 2 [0036] Lens column: 31 [0037] Center lens: 32 [0038] Lens hole: 311 [0039] Package glass: 401 0993186340-0 093138287 Form number A0101 Page 8 of 14