1377431 > 101年09月14日核正替换頁 六、發明說明： 【發明所屬之技術領域】 [0001] 本發明涉及一種鏡頭組合結構及應用該鏡頭組合結構之 投影裝置。 【先前技術】 [0002] 隨著投影機之普及，人們越來越注重投影機之成像品質 ，而影響投影機成像品質之關鍵是光學元件之光學性能 〇 [0003] 在先前技術中，投影機光源之亮度都比較高，由於光線 會輻射一定之熱量，會使得光路中之光學元件因長時間 受熱而老化；而投影機之鏡頭内之鏡片通常是採用塑膠 製成，鏡頭中之鏡片所能承受之因光線照射而產生之熱 量更低，如果不及時之降低鏡頭因光線照射所產生之熱 量，將導致鏡頭中之塑膠鏡片很容易老化，從而影響投 影機之成像品質。 【發明内容】 [0004] 有鑑於此，有必要提供一種可有效提高鏡頭散熱能力之 鏡頭組合結構及應用該鏡頭組合結構之投影裝置。 [0005] 一種鏡頭組合結構，其包括一座體、一上蓋及一鏡頭； 所述座體包括一容置空間及一鏡頭承載部，所述鏡頭包 括一前群部及一後群部，所述前群部卡設於座體之鏡頭 承載部上，所述後群部容置於所述容置空間内；所述上 蓋罩設於所述容置空間中之鏡頭上，所述上蓋包括散熱 部及與散熱部相連接之導熱部；在所述上蓋上背離容置 空間一側設有用於散熱之散熱鰭片。 097·#單编號 A〇101 第4頁/共18頁 1013350649-0 Γ377431 [0006] 一種投影裝置，其包括一鏡頭組合結構、一光源及多 光學元件，所述光學.元件固設於鏡頭組合結構上，所述 光源產生之光線經光學元件作用後從鏡頭組合結構内投 射出去，所述技景> 裝置採用上述鏡頭組合結構。 [0007] 相較於先前技術，本發明之鏡頭組合結構通過在鏡頭上 罩設一具有散熱鰭片之上蓋，可以有效提高鏡頭之散熱 能力，防止鏡頭内鏡片因受熱老化而影響成像效果。 【實施方式】 [0008] 以下將結合附圖對本發明作進一步之詳細說明。 [0009] 如圖1及圖2所示，本發明第一實施方式提供之一種鏡頭 組合結構100，其包括一座體丨〇、一上蓋2〇a、一鏡頭3〇 及兩塊絕熱片40。所述上蓋20a罩設於所述座體1〇上，所 述兩塊絕熱片40墊設於上蓋2〇a與座體1〇之結合處所述 鏡頭30固設於座體丨0上β _所述座體10包括-鏡頭承載部u、一固設於所述鏡頭承 載部11兩端之兩個側壁12…固設於兩個㈣12另一端 且與所述鏡頭承載部u相對設置之微鏡承载部13及—承 載板14。所述鏡頭承載部11、兩個側壁12、微鏡承載部 13固設於所述承載板14上，並形成所述容置空間15。在 所述鏡頭承載部11上設有一進光孔16及一鏡頭卡槽17， 所述進光孔16與座體1〇外部相連通，用於讓外部光線投 射進入鏡頭組合結構1〇〇内；所述鏡頭卡槽17與容置空間 15相連通’用於將鏡頭30卡設在座體10上。在所述兩個 側壁12上相對於鏡頭卡槽17一側分別還設有多個第一通 孔121 ’用於與鏡頭2〇相固定連接。在所述兩個側壁丨之上 09714219(f·早编號 AQ1Q1 ^ 5 I / λ is 1 1013350649-0 101年09月14日核正替換頁 至少一個第一固 背離所述承載板1丨之一端分別設有多個 定孔122，用於與上蓋2〇a相固定連接。 [0011] [0012] 所述鏡糊包括-料㈣、1群部32及—連接所述 則群部31和後物2之@定部33。所述前群部31卡設於 鏡頭承載部11之鏡頭卡槽17上，所錢群㈣容置於所 逃容置空㈣内，在所賴定部33上設有與所述侧壁12 上第一通孔121相對應之第二通孔331。 所述上蓋20a罩設於座體1()上，所述上蓋2〇a包括兩個第 -上蓋21a及-第二上蓋22a ’所述第二上蓋22a連接於 所述兩個第一上蓋21a之間。所述第二上蓋22&包括一散 熱部23a、一導熱部24a及用於連接所述散熱部23a和導 熱部24a之連接部25a ’所述散熱部23a為與鏡頭3〇相匹 配之拱形，所述導熱部24a為與鏡頭30之後群部32相匹配 之拱形。所述散熱部23a包括一背離所述導熱部24a之第 一表面231 a及一與第一表面231a相對之第二表面232a， 在所述散熱部23a之第一表面231a上設有用於散熱之散熱 韓片26a，所述散熱鋒片26a呈等間距之片狀。在所述第 一上篕21 a兩側沿導熱部24a所在一側垂直延伸出兩個側 板27a，所述側板27a卡設於座體1〇之兩個側壁12上。所 述第一上蓋2la包括一背離所述導熱部24a之上表面211 & 及一與上表面211 a相對之下表面212a，在所述第一上蓋 21 a之上表面21 la上也設有用於散熱之散熱鳍片26a。在 所述第一上蓋21 a上靠近兩個側板27a之兩端開設有與側 壁12上之第一固定孔121相對應之第二固定孔2i3a，用 於將上蓋2〇b與座體10相固定。所述上蓋2〇a採用導熱材 1013350649-0 0971421Α0101 «77431 101年09月14日修正替&頁 料製成，所述導熱材料為鋁、銅或紹銅合金。在本實施 方式中，所述上蓋20a為一體成型。 [0013] 如圖1及圖2所示，在組裝過程中’所述鏡頭30之前群部 31固設於所述鏡頭卡槽17，所述後群部32容置於所述容 置空間15，所述鏡頭30之固定部33通過相對應之第二通 孔331和第一通孔121與側壁12相固定連接。所述上蓋 20a通過兩側板27a卡設於所述座體10之兩側壁12，並通 過相對應之第一固定孔122和第二固定孔213a相固定連接 。所述兩塊絕熱片40墊設於第一上蓋213與兩側壁12之連 接處，用於將側壁12上之熱量傳導上蓋2〇a之散熱鰭片 26a上。所述上蓋20a之導熱部243包覆於所述鏡頭30之 後群部32之上方，所述導熱部24a之形狀與鏡頭30之後群 部32相匹配。 [0014] 從座體10之進光口 16進入到所述鏡頭組合結構1 〇 〇内部之 光線，一部分投射到鏡頭30，以形成投影圖像；另一部 分投射到侧壁12或上蓋2〇a上。投射到鏡頭3〇之光線之強 度和色溫都比較高，特別是一部分紫外或紅外光線，當 這些光線投射到後群部32内之鏡片上時，會產生很大之 熱量，後群部32之鏡片長時間受熱老化後將影響成像效 果。通過在所述後群部32上罩設所述上蓋20a，將後群部 32上因受光線照射所產生之熱量傳導給上盍2〇3之導熱部 24a，導熱部24a又將熱量傳導給散熱部23a，由於在散 熱部23a之第一表面231a設有用於散熱之散熱鰭片26a， 增大了散熱面積，能將導熱部243傳導之熱量很快之散發 出去，從而提;^了後群部32之散熱效率。*投射到侧壁 0971421#單編號 A0101 第7頁/共18頁 1013350649-0 1377431 101年09月14日梭正替換頁 12或上蓋20a上之光線所產生之熱量，也會傳導到散熱鰭 片26a上散發。 [0015] 如圖3及圖4所示，為本發明第二實施方式與第一實施方 式所提供之鏡頭組合結構100之不同在於：所述上蓋2〇b 包括一第一上蓋21b及一第二上蓋22b。在所述第一上蓋 21b上設置有一鏡頭30之外形相匹配之拱形，在第一上蓋 21b拱形區域開設有一通孔214b，所述第二上蓋22b卡設 於第一上蓋21b之通孔214b中。在本實施方式中，可使用 粘合劑將第二上蓋22b粘合於第一上蓋21b之通孔214b内 。所述第二上蓋22b包括一散熱部23b、一導熱部24b及 用於連接所述散熱部23b和導熱部24b之連接部251)，所 述導熱部24b為與鏡頭30之後群部32相匹配之拱形；所述 r. · 、 散熱部23b包括一背離所述導熱部24b之第一表面2311)及 一與第一表面231b相對之第·一表面232b ’在所述散熱部 23b之第一表面231b上設有用於散熱之散熱鰭片26b，所 述散熱鰭片26b呈等間距之片狀。在所述第一上蓋21b兩 側沿導熱部24b所在一側垂直延伸出兩個侧板27b，所述 側板27b卡設於座體1〇之兩個側壁12上’在所述第一上蓋 21b上靠近兩個側板27b之兩端開設有蜱側壁12上之第一 固定孔121相對應之第二固定孔213b ’用於將上蓋20b與 座體10相固定。所述上蓋2〇b採用導熱材料製成，所述導 熱材料為鋁、銅或鋩銅合金。 [0016] 如圖5所示，本發明還提供一種應用上述鏡頭組合結構 100之投影裝置2〇〇，其包括一鏡頭組合結構100、一光 源50及多個光學元件60 ’所述光學元件60固設於鏡頭組 09714219(f^編號 A0101 第8頁/共丨8頁 1013350649-0 Γ377431 101年09月14日梭正替換頁 合結構100上，所述光源50產生之光線經光學元件60作用 後從鏡頭組合結構100内投射出去；所述投影裝置200採 用上述鏡頭組合結構100。 [0017] 本發明所提供之鏡頭組合結構通過在鏡頭之後群部罩設 ~具有散熱鰭片之上蓋，可以有效提高鏡頭之散熱能力 ，防止鏡頭内之鏡片因受熱老化而影響成像效果。 [0018] 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方式，本 發明之範圍並不以上述實施方式為限，舉凡熟悉本案技 藝之人士援依本發明之精神所作之等效修飾或變化，皆 應涵蓋於以下申請專利範圍内。 【圖式簡單說明】 [0019] 圖1為本發明第一實施方式提供之鏡頭組合結構之分解示 意圖。 [0020] 圖2為圖1中鏡頭組合結構之上蓋之立體示意圖。 [〇〇21] 圖3為本發明第二實施方式提供之鏡頭組合結構之分解示 意圖。 [0022] 圖4為圖3中鏡頭組合結構之上蓋之立體示意圖。 [〇〇23]圖5為本發明實施方式提供之投影裝置之剖視圖。 【主要元件符號說明】 [0024] 鏡頭組合結構：1〇〇 [0025] 座體：1〇 [0026] 鏡頭承載部：11 0圆19产單編號A〇101 第9頁/共18頁 1013350649-0 13774311377431 > September 14, 2010 Nuclear Replacement Page VI. Description of the Invention: [Technical Field of the Invention] [0001] The present invention relates to a lens assembly structure and a projection apparatus using the same. [Prior Art] [0002] With the popularity of projectors, people pay more and more attention to the imaging quality of projectors, and the key to affecting the imaging quality of projectors is the optical performance of optical components. [0003] In the prior art, projectors The brightness of the light source is relatively high, because the light will radiate a certain amount of heat, which will cause the optical components in the optical path to age due to prolonged heating; while the lens in the lens of the projector is usually made of plastic, the lens in the lens can The heat generated by the light is lower. If the heat generated by the lens is not reduced in time, the plastic lens in the lens will easily age, which will affect the imaging quality of the projector. SUMMARY OF THE INVENTION [0004] In view of the above, it is necessary to provide a lens assembly structure that can effectively improve the lens heat dissipation capability and a projection device to which the lens combination structure is applied. [0005] A lens assembly structure includes a body, an upper cover, and a lens; the base body includes an accommodation space and a lens bearing portion, and the lens includes a front group portion and a rear group portion, The front group is disposed on the lens bearing portion of the base body, and the rear group portion is received in the accommodating space; the upper cover is disposed on the lens in the accommodating space, and the upper cover includes heat dissipation And a heat conducting portion connected to the heat dissipating portion; and a heat dissipating fin for dissipating heat is disposed on a side of the upper cover facing away from the accommodating space. 097·#单编号A〇101 Page 4/18 pages 1013350649-0 Γ377431 [0006] A projection device comprising a lens assembly structure, a light source and a plurality of optical elements, the optical element being fixed to the lens In a combined structure, the light generated by the light source is projected from the lens assembly structure by the action of the optical element, and the device uses the lens combination structure described above. Compared with the prior art, the lens assembly structure of the present invention can effectively improve the heat dissipation capability of the lens by covering a cover with a heat dissipation fin on the lens, and prevent the lens in the lens from affecting the imaging effect due to heat aging. [Embodiment] The present invention will be further described in detail below with reference to the accompanying drawings. As shown in FIG. 1 and FIG. 2, a lens assembly structure 100 according to a first embodiment of the present invention includes a body casing, an upper cover 2〇a, a lens 3〇, and two heat insulating sheets 40. The upper cover 20a is disposed on the base 1b, and the two insulating sheets 40 are disposed on the joint of the upper cover 2〇a and the base 1〇. The lens 30 is fixed on the base 丨0. The base 10 includes a lens bearing portion u, and two side walls 12 fixed to the two ends of the lens bearing portion 11 are fixed to the other ends of the two (four) 12 and disposed opposite to the lens bearing portion u. The micromirror bearing portion 13 and the carrier plate 14. The lens bearing portion 11, the two side walls 12, and the micromirror bearing portion 13 are fixed on the carrier plate 14 and form the receiving space 15. The lens bearing portion 11 is provided with a light entrance hole 16 and a lens card slot 17, and the light entrance hole 16 communicates with the outside of the base body 1 for projecting external light into the lens assembly structure 1 The lens card slot 17 is in communication with the accommodating space 15 for engaging the lens 30 on the base 10. A plurality of first through holes 121' are respectively formed on the two side walls 12 with respect to the lens card slot 17 side for fixed connection with the lens 2b. Above the two side walls 097 142 142 142 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 097 A plurality of fixed holes 122 are respectively provided at one end for fixed connection with the upper cover 2〇a. [0012] [0012] The mirror paste includes a material (four), a group portion 32, and a plurality of the group portions 31 and The front portion 31 is locked on the lens card slot 17 of the lens carrying portion 11, and the money group (4) is accommodated in the escaped space (4), in the fixed portion 33 A second through hole 331 corresponding to the first through hole 121 of the side wall 12 is disposed. The upper cover 20a is disposed on the base 1 (), and the upper cover 2A includes two first-top covers The second upper cover 22a is connected between the two first upper covers 21a. The second upper cover 22& includes a heat radiating portion 23a, a heat conducting portion 24a, and a connecting portion The heat radiating portion 23a and the connecting portion 25a of the heat conducting portion 24a are formed in an arch shape matching the lens 3A, and the heat conducting portion 24a is an arch shape matching the group portion 32 after the lens 30. 23a includes a first surface 231a facing away from the heat conducting portion 24a and a second surface 232a opposite to the first surface 231a. The first surface 231a of the heat radiating portion 23a is provided with a heat sink Korean sheet 26a for heat dissipation. The heat dissipation front plate 26a is in the form of an equally spaced sheet. Two side plates 27a are vertically extended on the side of the first upper jaw 21a along the side of the heat conducting portion 24a, and the side plate 27a is locked on the seat body 1. The first upper cover 21a includes a surface 211 & off from the upper surface of the heat conducting portion 24a and a lower surface 212a opposite to the upper surface 211a, in the first upper cover 21a The upper surface 21 la is also provided with a heat dissipating fin 26a for dissipating heat. A second surface corresponding to the first fixing hole 121 on the side wall 12 is opened on both ends of the first upper cover 21 a adjacent to the two side plates 27a. a fixing hole 2i3a for fixing the upper cover 2〇b to the base 10. The upper cover 2〇a is made of a heat-conducting material 1013350649-0 0971421Α0101 «77431 September 14th, 2011, corrected for & The heat conductive material is aluminum, copper or a copper alloy. In the embodiment, the upper cover 20a is integrated. [0013] As shown in FIG. 1 and FIG. 2, the group portion 31 is fixed to the lens card slot 17 before the lens 30 is assembled, and the rear group portion 32 is accommodated in the housing. The fixing portion 33 of the lens 30 is fixedly connected to the side wall 12 through the corresponding second through hole 331 and the first through hole 121. The upper cover 20a is locked to the two side walls 12 of the base body 10 via the two side plates 27a, and is fixedly connected to the corresponding first fixing hole 122 and the second fixing hole 213a. The two heat insulating sheets 40 are disposed on the connecting portion of the first upper cover 213 and the two side walls 12 for conducting the heat on the side wall 12 to the heat radiating fins 26a of the upper cover 2A. The heat conducting portion 243 of the upper cover 20a is wrapped over the rear group portion 32 of the lens 30, and the shape of the heat conducting portion 24a matches the group 32 after the lens 30. [0014] The light entering from the light entrance 16 of the base 10 into the interior of the lens assembly structure 1 is partially projected onto the lens 30 to form a projected image; the other portion is projected onto the side wall 12 or the upper cover 2〇a on. The intensity and color temperature of the light projected onto the lens 3 are relatively high, especially a part of the ultraviolet or infrared light, when the light is projected onto the lens in the rear group 32, a large amount of heat is generated, and the rear group portion 32 The lens will affect the imaging effect after prolonged exposure to heat. By shielding the upper cover 20a on the rear group portion 32, the heat generated by the irradiation of the light on the rear group portion 32 is transmitted to the heat transfer portion 24a of the upper jaw 2〇3, and the heat transfer portion 24a conducts heat to the heat transfer portion 24a. The heat dissipating portion 23a is provided with a heat dissipating fin 26a for dissipating heat on the first surface 231a of the heat dissipating portion 23a, and the heat dissipating area is increased, so that the heat conducted by the heat conducting portion 243 can be quickly dissipated, thereby The heat dissipation efficiency of the group 32. *Projected to the side wall 0971421#Single number A0101 Page 7/Total 18 page 1013350649-0 1377431 The heat generated by the light on the page 12 or the upper cover 20a is transferred to the heat sink fins on September 14th, 2011. Distributed on 26a. [0015] As shown in FIG. 3 and FIG. 4, the second embodiment of the present invention is different from the lens assembly structure 100 provided by the first embodiment in that the upper cover 2〇b includes a first upper cover 21b and a first Two upper cover 22b. The first upper cover 21b is provided with a matching arch shape of the lens 30. A through hole 214b is defined in the arched region of the first upper cover 21b, and the second upper cover 22b is inserted into the through hole of the first upper cover 21b. In 214b. In the present embodiment, the second upper cover 22b can be adhered to the through hole 214b of the first upper cover 21b using an adhesive. The second upper cover 22b includes a heat dissipating portion 23b, a heat conducting portion 24b, and a connecting portion 251 for connecting the heat dissipating portion 23b and the heat conducting portion 24b. The heat conducting portion 24b is matched with the group portion 32 after the lens 30. The arc-shaped portion; the heat-dissipating portion 23b includes a first surface 2311 away from the heat-conducting portion 24b) and a first surface 232b' opposite to the first surface 231b at the heat-dissipating portion 23b A surface 231b is provided with heat dissipation fins 26b for dissipating heat, and the heat dissipation fins 26b are in the form of sheets of equal pitch. Two side plates 27b are vertically extended on the sides of the first upper cover 21b along the side of the heat conducting portion 24b, and the side plates 27b are hooked on the two side walls 12 of the base 1' on the first upper cover 21b. A second fixing hole 213b' corresponding to the first fixing hole 121 on the side wall 12 is formed at both ends of the two side plates 27b for fixing the upper cover 20b to the base 10. The upper cover 2〇b is made of a heat conductive material, and the heat conductive material is aluminum, copper or beryllium copper alloy. [0016] As shown in FIG. 5, the present invention further provides a projection apparatus 2 for applying the above lens assembly structure 100, comprising a lens assembly structure 100, a light source 50, and a plurality of optical elements 60'. It is fixed on the lens group 09914219 (f^ No. A0101, page 8 / 丨 8 pages 1013350649-0 Γ 377431, on September 14, 2011, the shuttle is replacing the page structure 100, and the light generated by the light source 50 acts through the optical element 60. The projection device 200 is projected from the lens assembly structure 100. The lens assembly structure provided by the present invention is provided by the lens assembly after the lens is covered by the lens cover. The heat dissipation capability of the lens is effectively improved, and the lens in the lens is prevented from affecting the imaging effect due to heat aging. [0018] In summary, the present invention complies with the invention patent requirement, and patent application is filed according to law. The invention is not limited to the above-described embodiments, and those skilled in the art will be able to make equivalent modifications or changes in accordance with the spirit of the invention. BRIEF DESCRIPTION OF THE DRAWINGS [0019] FIG. 1 is an exploded perspective view of a lens assembly structure according to a first embodiment of the present invention. [0020] FIG. 2 is a lens assembly structure of FIG. 3 is a schematic exploded view of a lens assembly structure according to a second embodiment of the present invention. [0022] FIG. 4 is a perspective view of the upper cover of the lens assembly structure of FIG. 23] FIG. 5 is a cross-sectional view of a projection apparatus according to an embodiment of the present invention. [Description of Main Components] [0024] Lens Combination Structure: 1〇〇[0025] Seat: 1〇[0026] Lens Carrier: 11 0 Round 19 Production Order No. A〇101 Page 9/Total 18 Page 1013350649-0 1377431
101年09月14日按正替换頁IOn September 14, 101, please replace page I
[0027] 側壁：12 [0028] 微鏡承載部：13 [0029] 承載板：14 [0030] 容置空間：15 [0031] 進光孔：16 [0032] 鏡頭卡槽：17 [0033] 第一通孔：121 [0034] 第一固定孔：122 [0035] 上蓋：20a [0036] 第一上蓋：21a、21b [0037] 第二上蓋：22a、22b [0038] 散熱部：23a、23b [0039] 導熱部：24a、24b [0040] 連接部：25a、25b [0041] 第一表面：231a、231b [0042] 第二表面：232a、232b [0043] 通孔：214b [0044] 散熱鰭片：26a、26b [0045] 側板：27a、27b 0971421#^^ A〇101 第10頁/共18頁 1013350649-0 Γ377431 101年09月14日核正替換頁 [0046] 第二固定孔：213a、213b [0047] 鏡頭：30 [0048] 前群部：31 [0049] 後群部：32 [0050] 固定部：33 [0051] 第二通扎：331 [0052] 絕熱片：40 [0053] 投影裝置：200 [0054] 光源：50 [0055] 光學元件：60 〇97H219(P編號鹿01 第11頁/共18頁 1013350649-0[0027] Sidewall: 12 [0028] Micromirror bearing: 13 [0029] Carrier plate: 14 [0030] Housing space: 15 [0031] Light hole: 16 [0032] Lens card slot: 17 [0033] One through hole: 121 [0034] First fixing hole: 122 [0035] Upper cover: 20a [0036] First upper cover: 21a, 21b [0037] Second upper cover: 22a, 22b [0038] Heat dissipation portion: 23a, 23b [ 0039] heat conducting portion: 24a, 24b [0040] connecting portion: 25a, 25b [0041] first surface: 231a, 231b [0042] second surface: 232a, 232b [0043] through hole: 214b [0044] heat sink fin :26a,26b [0045] Side panels: 27a, 27b 0971421#^^ A〇101 Page 10/Total 18 pages 1013350649-0 Γ377431 September 14, 2010 Nuclear replacement page [0046] Second fixing hole: 213a, 213b [0047] Lens: 30 [0048] Front group: 31 [0049] Rear group: 32 [0050] Fixed part: 33 [0051] Second pass: 331 [0052] Insulation: 40 [0053] Projection Device: 200 [0054] Light source: 50 [0055] Optical component: 60 〇 97H219 (P number deer 01 page 11 / 18 pages 1013350649-0