M403676 五、新型說明： 【新型所屬的技術領域】 本創作是有關於-種光學設備及透鏡模組，且特別是 有關於一種投影裝置及其透鏡模組。 【先前技術】 投景々裝置為一種用以產生大尺寸晝面的顯示 影震置喊縣理是將域龍生的朗光束糾光閥轉 換成影像光束，再將影像光束通過鏡頭投射到螢幕或牆面 上以形成影像。隨著投影技術的進步及製造成本的降低， 才又衫裝置的使用已從商業用途逐漸拓展至家庭用途。近 來，微投影技術的發展開始受到許多人的注目，微型投影 裝置（pico projector)已漸漸成為未來個人數位市場的主 流。各類電子產品皆朝向高速、高效能、且輕薄短小的趨 勢發展，微型投影裝置具有可隨身攜帶且無使用場地限制 的優點’更可整合至行動電話或數位相機等手持電子裝置。 詳細而言，投影裝置内會配置包含了集光透鏡與陣列 透鏡(array lens)的透鏡模組，上述光源發出的光束會依序 通過陣列透鏡與集光透鏡，以聚集光線並調整光形。以微 型投影裝置來說’由於其光學元件的小型化，定位精度相 形重要，因此如何在設計上減少累積公差為重要的課題。 中華民國專利編號TW 523118揭露一種應用於投影機的 定位結構，用以對分光元件及合光元件進行定位》中華民 國專利編號TW 487181揭露一種應用於投影機的定位結 3 1403676 構’用以將燈泡組定位於光機 【新型内容】 本創作提出-種投影裝置，其透鏡模組具有良好 位精度。 本創作提出-種其透鏡模組，具有良好的定位精度。 本創作的其他目的和優點可以從本創作所揭露的技 術特徵中得到進一步的了解。 為達上述之一或部份或全部目的或是其他目的，本 作之-實施例提供-種投影裝置，包括外殼、光源、鏡頭、 先閥及透賴組。光源配置於外殼内。鏡號置於外殼内。 =置，源與鏡頭之間。透鏡模組包括集光透鏡、陣 定位件及兩第二定位件。集光透鏡配置於 陣列透鏡配置於集光透鏡與光源之間。 ΐΐ 1 ΐίίΐ序通過陣列透鏡、集光透鏡及光間而到 兄5 疋位件連接於集光透鏡與陣列透鏡其中之 浐it::位孔。各第二定位件連接於集光透鏡與陣列透 另-且具奴餘。兩定她沿—方向分別插入 放夕亡述之或部份或全部目的或是其他目的，本創 作-貫施例提供-種透鏡模組 裝置包括外殼、光源、鏡則㈣^〜聚置技衫 殼内。光閥配置於_33。3及鏡頭配置於外 Li# ^ 頭間°透鏡模組包括集光透 鏡陣歹】透鏡、兩弟―定位件及兩第二$ M403676 配置於光源與光閥之間。陣 1間°光源發出的光束依序通過^ 與光源 閥而到達鏡頭。各第一 透，兄、木先透鏡及光 其中之-且且有定位；丨夂牮接於集光透鏡與陣列透鏡 陣列透鏡其;;Π且位件連接於集光透鏡與 別插入兩定位孔。，、有疋位柱。兩定位柱沿-方向分 基於上述，在本創作的上述實 =藉由定位柱與定位孔的配合而固定相== 透鏡與陣列透鏡彼此之間的對位精度，避 位偏移。 為，本創作之上述特徵和優點能更明顯易懂，下文特 舉多個實施例，並配合所附圖式，作詳細說明如下。 【實施方式】 有關本創作之前述及其他技術内容、特點與功效，在 以下配合參考圖式之多個實施例的詳細說明中，將可清楚 的呈現。以下實施例中所提到的方向用語，例如「上」、 「下」、「前」、「後」、「左」、「右」等，僅是參考 附加圖式的方向。因此，使用的方向用語是用來說明，而 非用來限制本創作。 圖1為本創作一實施例之投影裝置的示意圖。請參考 圖1，本實施例的投影裝置100包括外殼110、光源120、 鏡頭130、光閥140及透鏡模組150。光源120及鏡頭130 配置於外殼110内，光閥140配置於光源120與鏡頭130 M403676 之間。 圖2為圖1之透鏡模组的立體圖。圖 =組的爆炸圖、目3B為圖2之透鏡模組的正視圖。請 參考圖2、圖3A及圖3B，透鏡模組15〇包括集 月、 陣列透鏡154、兩第—定位件156及兩第二定位件⑸。集 光透鏡152配置於圖i所示之投影裝置1〇〇中的光源⑽ 與光閥140之間’而陣列透鏡154配置於集光透鏡⑸盥 光源12〇之間。光源、12G發出的光束會依序通過陣列透鏡 154、集光透鏡152及光閥14〇而到達鏡頭13〇。詳細而言， 如圖1所示，光源120適於提供照明光束u，光閥14〇適 於將知明S束L1轉換成f彡像光束L2，鏡頭13Q適於將影 像光束L2投射至-屏幕上(未繪示）。陣列透鏡154用以對 光源120所發出的照明光束u進行整形，集光透鏡152 用以對經過陣列透鏡154的照明光束L1進行集光，以使 照明光束L1在通過陣列透鏡154與集光透鏡152之後具 有適當之光形。 各第一定位件156連接於陣列透鏡154且具有定位孔 156a，各第二定位件158連接於集光透鏡152且具有定位 柱158a。兩定位柱158a沿方向γ分別插入兩定位孔156a， 且該兩定位柱158a會設置在一軸線μ上且兩定位孔156a 與兩定位柱158a分別對應’而該兩定位柱丨58a之間的距 離為在方向X及方向z平面上的最長距離’當定位柱158a 與定位孔156a的錯位量在X方向或z方向上發生時，因 軸線Μ與方向X或方向z有一角度關係，所以錯位量最 M403676 小’故可以限制減少陣列透鏡 X及方向z的相對移動自由二:j透鏡152在方向 护⑴认“ 度並限制陣列透鏡154與集 先透鏡152的相對轉動自由度，以 集光透鏡152。藉此配署太+ π士 t』边鏡154疋位於 盥陳列策庐式，可有效的限定集光透鏡152 诱 =Ϊ的相對位置’以提升集光透鏡152與陣列 間的對位精度，所以可以避免錯位造成光 的當在，二圖3Α及圖3Β的實施例中’具有定位孔156a 158 : 6係連接於陣列透鏡154，而具有定值柱 第二定位件158係連接於集光透鏡152。然本創作 二對此加以限制，在其它實施例中，具有定位孔15如的第 二J位ί 156可連接於集光透鏡152，而具有定位柱158a =第一疋位件158可連接於陣列透鏡i54，並同樣地藉由 疋位孔156a與定位柱158a的配合而限制陣列透鏡154與 集光透鏡152的相對位置。 ^圖4為圖2之透鏡模組的正視圖。圖5為圖4之透鏡 模組f剖，Α·Α的剖視圖。請參考圖4及圖5，本實施例 的各第-/U1L件158具有止擋塊158b。止擔塊158b對位 於定位孔i56a域㈣—定料156，定錄⑽從止 擋塊158b延伸出而插入定位孔156a。藉由止擋塊15肋的 配置，可限制陣列透鏡154與集光透鏡152在方向γ的相 對移動自由度’錢—步限定陣舰鏡154錢光透鏡152 的在Y方向上的相對位置。 圖6為圖2之透鏡模組的局部側視圖。請參考圖6， 7 M403676 詳細而言，本實施例的第一定位件156具有相對的第一表 面156b及第二表面156c。定位孔156a從第一表面156b 貫穿至第二表面156c而在第二表面156c形成點膠開口 156d’定位柱158a從第一表面156b插入定位孔156a且被 點膠開口 156d暴露。在將定位柱158a插入定位孔156a 之後，可透過點膠開口 156d注入黏膠，使定位柱158a更 穩固地固定於定位孔156a内。 圖7為本創作另一實施例之透鏡模組的爆炸圖。圖8 為圖7之透鏡模組的正視圖。圖9為圖8之透鏡模組沿剖 面B-B的剖視圖。請參考圖7至圖9，在本實施例的透鏡 模組250中，形成於第一定位件256的定位孔乃如為盲 孔’形成於第二定位件258的定位柱258a插入定位孔256a 並抵罪疋位孔256a底端。相較於圖5所示之透鏡模組15〇 疋藉由止擋塊158b抵靠於第一定位件156 ’而限制陣列透 鏡154與集光透鏡152在方向γ的相對移動自由度，本實 施例的透鏡模組250是藉由定位柱258a抵靠於定位孔 256a底端，而限制陣列透鏡254與集光透鏡乃2在方向γ 的相對移動自由度。 圖10為圖7之陣列透鏡的後視圖。請參考圖1〇，在 本實施例中，各定位孔256a為槽孔，各定位柱乃％沿垂 直Y方向的軸線N滑設於定位孔256a，且㈣N通過光 源(未繪示）發出之光束的光軸中心c(亦繪示於圖乃。藉 此，透鏡模組250因製造與組裝上的公差而相對所述光^ 產生的偏移，可被限制為僅沿軸線^^發生，而可提升對位 M403676 上的精度。 綜上所述，在本創作的上述實施例中，集光透鏡與陣 列透鏡藉由定位柱與定位孔的配合而限定相對位置，以提 升集光透鏡與陣列透鏡彼此之間的對位精度，避免光路錯 位偏移三此外，第二定位件可藉其止擋塊抵靠於第一定位 • 件，或藉其定位柱抵靠於第一定位件之定位孔的底端，以 進一步限定集光透鏡與陣列透鏡的相對位置；定位柱及定 • 位孔沿一斜向設置且經過光軸，可達到減少透鏡組錯位量 的效果。 惟以上所述者，僅為本創作之較佳實施例而已，當不 能以此限定本創作實施之範圍，~大凡依本創作申請專利 乾圍及創作說明内容所作之簡單的等效變化與修飾，皆仍 ^本創作專利涵蓋之範圍内。另外，本創作的任—實施例 或申請專利範圍不須達成本創作所揭露之 ，。此外，摘要部分和標題僅是用來輔助專=搜 • 守之用’並非用來限制本創作之權利範圍。 【圖式簡單說明】 圖1為本創作一實施例之投影裝置的示意圖。 圖2為圖1之透鏡模組的立體圖。 圖3Α為圖2之透鏡模組的爆炸圖。 圖3Β為圖2之透鏡模組的正視圖。 圖4為圖2之透鏡模組的正視圖。 圖5為圖4之透鏡模組沿剖面Α_Α的剖視圖。 9 M403676 圖6為圖2之透鏡模組的局部側視圖。 圖7為本創作另一實施例之透鏡模組的爆炸圖。 圖8為圖7之透鏡模組的正視圖。 圖9為圖8之透鏡模組沿剖面B-B的剖視圖。 圖10為圖7之陣列透鏡的後視圖。 【主要元件符號說明】 100 :投影裝置 110 :外殼 120 :光源 130 :鏡頭 140 :光閥 150、250 :透鏡模組 152 :集光透鏡 154 :陣列透鏡 156、256 :第一定位件 156a、256a :定位孔 156b :第一表面 156c :第二表面 156d :點膠開口 158、258 :第二定位件 158a、258a :定位柱 158b :止擋塊 Μ、N :軸線 M403676 c:光軸中心 L1 :照明光束 L2 :影像光束 L3 :投影光束 X、Y、Z :方向M403676 V. New description: [New technical field] This creation is related to an optical device and a lens module, and in particular to a projection device and a lens module thereof. [Prior Art] The projection device is a kind of display for generating large-sized kneading. The county is to convert the long-range beam correction valve of the domain dragon into an image beam, and then project the image beam through the lens to the screen or Form an image on the wall. With the advancement of projection technology and the reduction of manufacturing costs, the use of the device has gradually expanded from commercial use to home use. Recently, the development of micro-projection technology has begun to attract attention from many people, and pico projectors have gradually become the mainstream of the personal digital market in the future. All kinds of electronic products are moving toward high speed, high efficiency, light and short, and the micro-projection device has the advantage of being portable and has no use restrictions. It can be integrated into handheld electronic devices such as mobile phones and digital cameras. In detail, a lens module including a collecting lens and an array lens is disposed in the projection device, and the light beam emitted from the light source sequentially passes through the array lens and the collecting lens to collect light and adjust the light shape. In the case of a micro-projection device, positioning accuracy is important because of the miniaturization of its optical components. Therefore, how to reduce the cumulative tolerance in design is an important issue. The Republic of China Patent No. TW 523118 discloses a positioning structure applied to a projector for positioning a light splitting element and a light combining element. The Republic of China Patent No. TW 487181 discloses a positioning knot applied to a projector 3 1403676. The bulb group is positioned in the optical machine [new content] This creation proposes a projection device whose lens module has good positional accuracy. This creation proposes a lens module with good positioning accuracy. Other objects and advantages of the present work can be further understood from the technical features disclosed in this creation. In order to achieve one or a part or all of the above or other purposes, the present embodiment provides a projection apparatus including a housing, a light source, a lens, a valve, and a permeable group. The light source is disposed within the housing. The mirror number is placed inside the housing. = set, between the source and the lens. The lens module includes a collecting lens, an array positioning member and two second positioning members. The collecting lens is disposed on the array lens and disposed between the collecting lens and the light source. Ϊ́ΐ 1 ΐίί ΐ 通过 阵列 : : 阵列 阵列 阵列 阵列 阵列 阵列 阵列 阵列 阵列 阵列 阵列 阵列 阵列 阵列 阵列 阵列 阵列 阵列 阵列 阵列 阵列 阵列 阵列 阵列 阵列 阵列 阵列 阵列 阵列 阵列 阵列 阵列 : : : : : Each of the second positioning members is coupled to the collecting lens and the array is transparent and has a slave. Both of them are inserted in the direction of the eve of the eternal or part or all of the purpose or other purposes, the creation of the example - the lens module device includes a casing, a light source, a mirror (four) ^ ~ gathering technology Inside the blouse. The light valve is arranged in _33. 3 and the lens is arranged outside the Li# ^ head. The lens module includes the collecting lens array lens, the two brothers - the positioning member and the two second $ M403676 are arranged between the light source and the light valve. . The light beams from a 1 source are sequentially passed through the ^ and the light source valve to reach the lens. Each of the first through, brother, wood first lens and light - and has a positioning; spliced to the collecting lens and the array lens array lens; and the positional member is connected to the collecting lens and the two insertion positioning hole. , there are 疋 positions. The two positioning posts are divided along the - direction. Based on the above, in the above-mentioned real work of the present invention, the phase is fixed by the cooperation of the positioning post and the positioning hole == the alignment accuracy between the lens and the array lens, and the offset is avoided. The above-described features and advantages of the present invention will become more apparent and understood. The above and other technical contents, features and effects of the present invention will be apparent from the following detailed description of the embodiments of the drawings. The directional terms mentioned in the following embodiments, such as "upper", "lower", "before", "after", "left", "right", etc., are only directions referring to the additional schema. Therefore, the directional terminology used is used to illustrate, not to limit the creation. FIG. 1 is a schematic diagram of a projection apparatus according to an embodiment of the present invention. Referring to FIG. 1, the projection apparatus 100 of the present embodiment includes a housing 110, a light source 120, a lens 130, a light valve 140, and a lens module 150. The light source 120 and the lens 130 are disposed in the outer casing 110, and the light valve 140 is disposed between the light source 120 and the lens 130 M403676. 2 is a perspective view of the lens module of FIG. 1. Figure = exploded view of the group, and head 3B is a front view of the lens module of Figure 2. Referring to FIG. 2, FIG. 3A and FIG. 3B, the lens module 15 includes a moon, an array lens 154, two first positioning members 156 and two second positioning members (5). The collecting lens 152 is disposed between the light source (10) and the light valve 140 in the projection device 1A shown in Fig. i, and the array lens 154 is disposed between the collecting lens (5) and the light source 12A. The light source and the light beam emitted by the 12G sequentially pass through the array lens 154, the collecting lens 152, and the light valve 14 to reach the lens 13A. In detail, as shown in FIG. 1, the light source 120 is adapted to provide an illumination beam u, the light valve 14 is adapted to convert the known S beam L1 into an f-image beam L2, and the lens 13Q is adapted to project the image beam L2 to the -screen On (not shown). The array lens 154 is used to shape the illumination beam u emitted by the light source 120, and the collecting lens 152 is used to collect the illumination beam L1 passing through the array lens 154 so that the illumination beam L1 passes through the array lens 154 and the collecting lens. There is a proper light shape after 152. Each of the first positioning members 156 is coupled to the array lens 154 and has a positioning hole 156a. Each of the second positioning members 158 is coupled to the collecting lens 152 and has a positioning post 158a. The two positioning posts 158a are respectively inserted into the two positioning holes 156a in the direction γ, and the two positioning posts 158a are disposed on an axis μ and the two positioning holes 156a correspond to the two positioning posts 158a respectively, and between the two positioning posts 58a The distance is the longest distance in the direction X and the direction z plane. When the misalignment amount of the positioning post 158a and the positioning hole 156a occurs in the X direction or the z direction, since the axis Μ has an angular relationship with the direction X or the direction z, the misalignment The amount of M403676 is small, so it is possible to limit the relative movement of the array lens X and the direction z. The j lens 152 recognizes the degree and limits the relative rotational freedom of the array lens 154 and the front lens 152 to collect light. The lens 152. The lens 154 is disposed in the 盥 display mode, and the relative position of the concentrating lens 152 is effectively defined to enhance the pair between the collecting lens 152 and the array. The bit precision, so that the misalignment caused by the light can be avoided. In the embodiment of FIG. 3A and FIG. 3A, there is a positioning hole 156a 158: 6 is connected to the array lens 154, and the fixed column second positioning member 158 is connected. In the collecting lens 152 However, in the second embodiment, the second J-bit 156 having the positioning hole 15 can be connected to the collecting lens 152, and has the positioning post 158a = the first clamping member 158 can be connected to Array lens i54, and similarly, the relative position of array lens 154 and collecting lens 152 is restricted by the cooperation of clamping hole 156a and positioning post 158a. Fig. 4 is a front view of the lens module of Fig. 2. 4 is a cross-sectional view of the lens module f. Referring to FIG. 4 and FIG. 5, each of the --U1L members 158 of the present embodiment has a stopper 158b. The pair of the stoppers 158b are located in the domain of the positioning hole i56a. (4) The fixed material 156, the fixed recording (10) is extended from the stopper 158b and inserted into the positioning hole 156a. By the arrangement of the ribs of the stopper 15, the relative movement degree of the array lens 154 and the collecting lens 152 in the direction γ can be restricted. Figure 6 is a partial side elevational view of the lens module of Figure 2. Referring to Figure 6, 7 M403676, in detail, this embodiment The first positioning member 156 has an opposite first surface 156b and a second surface 156c. The positioning hole 156a is The first surface 156b penetrates to the second surface 156c and forms a dispensing opening 156d' at the second surface 156c. The positioning post 158a is inserted into the positioning hole 156a from the first surface 156b and exposed by the dispensing opening 156d. The positioning post 158a is inserted into the positioning hole. After 156a, the adhesive can be injected through the dispensing opening 156d to fix the positioning post 158a more firmly in the positioning hole 156a. Fig. 7 is an exploded view of the lens module of another embodiment of the present invention. Figure 8 is a front elevational view of the lens module of Figure 7. Figure 9 is a cross-sectional view of the lens module of Figure 8 taken along section B-B. Referring to FIG. 7 to FIG. 9 , in the lens module 250 of the present embodiment, the positioning hole formed in the first positioning member 256 is inserted into the positioning hole 256a as a blind hole formed in the positioning post 258a of the second positioning member 258 and is acquitted. The bottom end of the hole 256a. Compared with the lens module 15 shown in FIG. 5, the relative movement degree of the array lens 154 and the collecting lens 152 in the direction γ is restricted by the stopper 158b abutting against the first positioning member 156'. The lens module 250 of the example is configured to restrict the relative movement degree of the array lens 254 and the collecting lens 2 in the direction γ by the positioning post 258a abutting against the bottom end of the positioning hole 256a. Figure 10 is a rear elevational view of the array lens of Figure 7. Referring to FIG. 1A, in the embodiment, each positioning hole 256a is a slot, and each positioning post is slidably disposed on the positioning hole 256a along an axis N in the vertical Y direction, and (4) N is emitted by a light source (not shown). The optical axis center c of the light beam (also shown in Fig. Illustratively, whereby the offset of the lens module 250 relative to the light due to manufacturing and assembly tolerances can be limited to occur only along the axis, The accuracy of the alignment M403676 can be improved. In summary, in the above embodiment of the present invention, the collecting lens and the array lens define a relative position by the cooperation of the positioning post and the positioning hole to enhance the collecting lens and the collecting lens. Alignment accuracy of the array lenses with each other to avoid offset of the optical path. In addition, the second positioning member can abut against the first positioning member by its stop or with the positioning post against the first positioning member. Positioning the bottom end of the hole to further define the relative position of the collecting lens and the array lens; the positioning post and the positioning hole are disposed along an oblique direction and pass through the optical axis, thereby achieving the effect of reducing the amount of misalignment of the lens group. For the preferred embodiment of the present invention However, when it is not possible to limit the scope of the implementation of this creation, the simple equivalent changes and modifications made by Dafan in accordance with the creation of patents and creative descriptions of this creation are still within the scope of this creation patent. The scope of the creation of the application or the scope of the patent application is not required to be disclosed in this creation. In addition, the abstract and the title are only used to assist the exclusive use of the search. It is not intended to limit the scope of this creation. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a schematic view of a projection apparatus according to an embodiment of the invention. Fig. 2 is a perspective view of the lens module of Fig. 1. Fig. 3 is an exploded view of the lens module of Fig. 2. Fig. 3 is a lens of Fig. 2. Figure 4 is a front elevational view of the lens module of Figure 2. Figure 5 is a cross-sectional view of the lens module of Figure 4 taken along section Α_Α. 9 M403676 Figure 6 is a partial side elevational view of the lens module of Figure 2. Figure 7 is an exploded view of the lens module of another embodiment of the present invention. Figure 8 is a front elevational view of the lens module of Figure 7. Figure 9 is a cross-sectional view of the lens module of Figure 8 taken along section BB. Figure 10 is Figure 7. Rear view of the array lens. DESCRIPTION OF SYMBOLS 100: Projection device 110: Housing 120: Light source 130: Lens 140: Light valve 150, 250: Lens module 152: Light collecting lens 154: Array lens 156, 256: First positioning member 156a, 256a: Positioning Hole 156b: first surface 156c: second surface 156d: dispensing opening 158, 258: second positioning member 158a, 258a: positioning post 158b: stop block Μ, N: axis M403676 c: optical axis center L1: illumination beam L2: image beam L3: projection beam X, Y, Z: direction