201138331 六、發明說明： 【發明所屬之技術領域】 本發明係關於一種紅外線接收模組，尤指一種具增強 接收罩之紅外線接收模組。 【先前技術】 隨著科技的進步，數位產品不斷地推陳出新，許多相 關的技術，如無線通訊，也逐漸豐富數位產品的效能。 以數位視訊轉換盒（Set Top Box)為例，它是一種連接 電視與外部訊號源的設備，可將壓縮的數位訊號轉成電視 内谷並在顯示螢幕上顯示出來。一般而言，數位視訊轉換 益均會配合遙控益以進行遠端控制，亦即：在數位視訊轉 換盒上會加裝一紅外線感測器，在遙控器上會加裝一紅外 線發射器以進行無線傳輸。 g數位視sfL轉換盒裝入紅外線感測器時，由於考量整 體機構造型與美觀等因素，其往往會再搭配一塑膠外蓋將 紅外線感測器遮住。一般而言，為有效遮住紅外線感測器， 外蓋的顏色會採用深色系，例如採用墨色透明的外蓋蓋住 紅外線感測器。然而，採用深色系的外蓋容易造成訊號收 訊不良，也常會受限於接收角度而無法有效地達成訊號傳 輸。 發明人緣因於此，本於積極創作之精神，亟思一種可 解決上述問題的红外線接收模組，以有效提高紅外線接收 201138331 與傳輸之效能。是故，期使能通過一全新的設計，以提高 傳輸效能、擴大訊號接收角度而有效地達成無線傳輸。 【發明内容】 本發明之主要目的係在提供一種具增強接收罩之紅外 線接收模組，俾能有效提高訊號之接收角度及接收距離。 為達成上述目的’本發明具增強接收罩之紅外線接收 模組，包括：一紅外線接收模組，其係包括有一光源接收 部；以及一增強接收罩，其係組設於紅外線接收模組上， 增強接收罩包括有一透鏡，其係對應設置於紅外線接收模 組之光源接收部上；其中，透鏡包括有一平面側、及一凹 面側’凹面側係鄰接光源接收部。 其中，增強接收罩可包含有至少一第一耦合件，紅外 線接收模組可包含有至少一第二耦合件，增強接收罩之至 少一第一耦合件可對應耦合固定於紅外線接收模組之至少 一第二耦合件。較佳地，至少一第一耦合件可包括至少一 扣鉤；至少一第二耦合件可包括至少一扣合槽，扣鉤可插 設耦合並固定於扣合槽。據此，本發明藉由扣鉤與扣合槽 的設置方便更換維修。 本發明之增強接收罩之透鏡，其凹面側可具有一曲率 半徑為4mm。該透鏡之厚度（最薄之處）可為i.3mm，並且， 增強接收罩可由壓克力材質所製成，當然亦可以破璃或其 他可透光之等效材料構成。 〃 201138331 a由本發明所提供之增強接«，紅外線接收模組可 擴大訊號接收之角度，並可同時增加訊號接收之距離。 【實施方式】 請先參考圖1 ’圖丨係本發明_„較佳實施例之系統架構 圖，包含有一機上盒i、一顯示登幕2、及一遙控器9,顯示 螢幕2係電連接至機上盒1，遙控器9則可無線控制該機上盒 1 ° 接著，請一併參考圖2,圖2係機上盒丨之外蓋分解圖。 如圖所不，機上盒丨前端含有一外蓋丨9，其係由可透光之材 質構成。而外蓋19又包含有一接合處191，其係用以對應卡 固一電路板18 ^其中，電路板18上設置有一紅外線接收模 組n，忒紅外線接收模組丨1包含有一光源接收部I 1 1、及二 第二耦合件，其為分別為一第一扣合槽112、及一第二扣合 槽113。在本霄施例中，第一扣合槽丨丨2、及第二扣合槽！ 口 係设置於紅外線接收模組1 1之相對應二側。 本發明之主要特徵在於，於紅外線接收模組丨丨之前加 裝有一增強接收罩1 〇 ,其係組設於該紅外線接收模組i 1 上。增強接收罩1 〇包括有一透鏡1 〇 1、及第一輕合件，其係 分別為一第一扣鉤1 〇2、及一第二扣鉤丨〇3。而透鏡丨〇丨係對 應至紅外線接收模組丨丨之光源接收部丨u，第一扣鉤1 〇2及 第二扣鉤103係分別對應扣合至紅外線接收模組丨丨之第一 扣合槽1 12及第二扣合槽n 3，以使增強接收罩丨〇固設至紅 外線接收模組11。 201138331 再來，請一併參考圖3及圖4,圖3係增強接收罩10之立 體圖，圖4係增強接收罩1(^AA方向剖視圖。如圖所示， 該透鏡ιοί包括有一平面側101a、及一凹面側i〇ib，當增強 接收罩10扣合至紅外線接收模組"時，該凹面側鳴係鄰 接光源接收部111。較佳地，該凹面側1〇ib之曲率半徑為 4mm。以本發明一較佳實施例為例，該透鏡之厚度（最薄之 處）為1.3mm ,並係由壓克力材質所製成。 本發明之增強接收罩1〇，係可增強紅外線接收模組Η 之接收效能。為清楚說明，本實施例試舉一測試案例以說 明之。 請參考圖5，圖5係紅外線接收模組〗丨之效能測試圖。 請先參考圖5之欄位A、Β、C，其係機上盒1及遙控器9之側 面視圖。欄位A中，機上盒1係平置於一水平面上以對應接 收遙控器9之訊號。攔位B中，機上盒1係高於水平面3〇度角 以接收遙控器9之訊號。攔位C中，機上盒丨係反置，並高於 水平面30度角以接收遙控器9之訊號。 接者’ 5青參考圖5之糊位A-1、A-2、A-3。搁位A-1係爛 位A之俯視圖’欄位A-2係將欄位A-1中的機上盒1沿逆時鐘 方向轉30度角之俯視圖，欄位A-3則係將襴位A-1中的機上 盒1沿順時鐘方向轉30度角之俯視圖。同樣地，攔位b_ 1係 棚位B之俯視圖，棚位B - 2係將搁位B -1中的機上盒1沿逆時 鐘方向轉30度角之俯視圖’欄位B-3則係將攔位β- 1中的機 上盒1沿順時鐘方向轉30度角之俯視圖。攔位C-1係攔位c 之俯視圖，棚位C - 2係將搁位C -1中的機上盒1沿逆時鐘方向 201138331 轉3〇度角之俯視圖’攔位⑽係將攔 順時鐘方向轉30㈣之純圖。 f㈣上 在，位A 1〜α_3、Β•卜Β_3、⑺〜㈡所示的九種測試例 二二”m以加裝增強接收罩10及不加裝增強接收罩ι〇 的/告里W機上盒1之紅外線接收模組11所能接收到訊號 的最遠距離值，其量測的結果則如圖6所示。201138331 VI. Description of the Invention: [Technical Field] The present invention relates to an infrared receiving module, and more particularly to an infrared receiving module having an enhanced receiving cover. [Prior Art] With the advancement of technology, digital products are constantly being introduced, and many related technologies, such as wireless communication, are gradually enriching the performance of digital products. For example, the Set Top Box is a device that connects a TV to an external signal source, and converts the compressed digital signal into a TV valley and displays it on the display screen. In general, digital video conversion benefits will be combined with remote control for remote control, that is, an infrared sensor will be installed on the digital video converter box, and an infrared transmitter will be installed on the remote control. Wireless transmission. When the g-digit sfL conversion box is installed in the infrared sensor, it is often covered with a plastic cover to cover the infrared sensor due to factors such as the overall shape and aesthetics. In general, in order to effectively cover the infrared sensor, the color of the cover will be dark, for example, an infrared sensor cover is used to cover the infrared sensor. However, the use of a dark-colored cover tends to cause poor signal reception, and is often limited by the reception angle and cannot effectively achieve signal transmission. Invented by this person, in the spirit of active creation, I think of an infrared receiver module that can solve the above problems, so as to effectively improve the efficiency of infrared reception 201138331 and transmission. Therefore, it is possible to effectively achieve wireless transmission through a new design to improve transmission efficiency and expand signal reception angle. SUMMARY OF THE INVENTION The main object of the present invention is to provide an infrared receiving module with an enhanced receiving cover, which can effectively improve the receiving angle and receiving distance of the signal. In order to achieve the above object, the infrared receiving module with the enhanced receiving cover of the present invention comprises: an infrared receiving module comprising a light source receiving portion; and an enhanced receiving cover disposed on the infrared receiving module. The reinforced receiving cover includes a lens corresponding to the light source receiving portion of the infrared receiving module; wherein the lens includes a planar side and a concave side of the concave side adjacent to the light source receiving portion. The reinforced receiving cover may include at least one first coupling member, and the infrared receiving module may include at least one second coupling member, and at least one first coupling member of the reinforced receiving cover may be coupled and fixed to the infrared receiving module at least A second coupling member. Preferably, the at least one first coupling member may include at least one hook; the at least one second coupling member may include at least one fastening groove, and the buckle hook is insertably coupled and fixed to the fastening groove. Accordingly, the present invention facilitates replacement and maintenance by the arrangement of the hook and the snap groove. The lens of the reinforced cover of the present invention may have a concave side of a concave radius of 4 mm. The thickness of the lens (the thinnest portion) may be i.3 mm, and the reinforced receiving cover may be made of an acrylic material, and of course, may be made of a glass or other light-transmissive equivalent material. 〃 201138331 a Enhanced access by the invention, the infrared receiving module can enlarge the angle of signal reception and increase the distance of signal reception at the same time. [Embodiment] Please refer to FIG. 1 for the first embodiment of the present invention. The system architecture diagram of the preferred embodiment includes an on-board box i, a display screen 2, and a remote controller 9 for displaying the screen 2 system. Connected to the set-top box 1, the remote control 9 can wirelessly control the set-top box 1 ° Next, please refer to Figure 2 together, Figure 2 is the exploded view of the outer cover of the box on the machine. As shown in the figure, the set-top box The front end of the crucible includes an outer cover 9 which is made of a light transmissive material, and the outer cover 19 further includes a joint 191 for correspondingly securing a circuit board 18, wherein the circuit board 18 is provided with a The infrared receiving module n, the infrared receiving module 丨1 includes a light source receiving portion I 1 1 and two second coupling members, which are respectively a first fastening groove 112 and a second fastening groove 113. In the present embodiment, the first fastening slot 2 and the second fastening slot! are provided on the corresponding two sides of the infrared receiving module 1 1. The main feature of the present invention is that the infrared receiving module A reinforced receiving cover 1 加 is added to the group 〇, which is assembled on the infrared receiving module i 1 . The cover 1 includes a lens 1 〇1 and a first light-receiving member, which are respectively a first hook 1 〇2 and a second hook 丨〇3. The lens 对应 corresponds to infrared receiving The light source receiving portion 丨u of the module ,, the first hook 1 〇 2 and the second hook 103 are respectively corresponding to the first fastening groove 1 12 and the second fastening groove of the infrared receiving module 丨丨n 3, so that the reinforced receiving cover is fixed to the infrared receiving module 11. 201138331 Again, please refer to FIG. 3 and FIG. 4 together, FIG. 3 is a perspective view of the reinforced receiving cover 10, and FIG. 4 is an enhanced receiving cover 1 (^AA direction cross-sectional view. As shown, the lens ιοί includes a flat side 101a, and a concave side i〇ib, when the reinforced receiving cover 10 is snapped to the infrared receiving module " The light source receiving portion 111. Preferably, the concave side 1 ib has a radius of curvature of 4 mm. In a preferred embodiment of the present invention, the thickness (the thinnest portion) of the lens is 1.3 mm, and is pressed The reinforced material of the present invention can enhance the receiving performance of the infrared receiving module. Explain clearly that this embodiment tries a test case to explain it. Please refer to Figure 5, Figure 5 is the performance test chart of the infrared receiving module. Please refer to the fields A, Β, C of Figure 5, Side view of the set-top box 1 and the remote control 9. In the field A, the set-top box 1 is laid flat on a horizontal surface to receive the signal of the remote controller 9. In the block B, the set-top box 1 is higher than the horizontal plane. 3 〇 angle to receive the signal of the remote control 9. In the block C, the box on the box is reversed and is 30 degrees higher than the horizontal plane to receive the signal of the remote control 9. The receiver '5 green refers to the paste of Figure 5. Bits A-1, A-2, A-3. The top view of the A-1 line rotten position A' field A-2 is to turn the set-top box 1 in the field A-1 30 degrees in the counterclockwise direction. In the top view of the corner, the field A-3 is a top view in which the set-top box 1 in the clamp A-1 is rotated by 30 degrees in the clockwise direction. Similarly, the b_1 is the top view of the shed B, and the shed B-2 is the top view of the set-top box 1 in the B-1 shifting 30 degrees in the counterclockwise direction. The top view of the set-top box 1 in the block β-1 is rotated by 30 degrees in the clockwise direction. Block C-1 is the top view of the block c. The shed C-2 will place the set-top box 1 in the C-1 in the reverse clock direction 201138331 to the 3 degree angle of the top view 'Block (10) will be blocked The clock direction turns to the pure picture of 30 (four). f(4) above, the nine test cases shown in the positions A 1 to α_3, Β•卜Β_3, (7)~(2) are added to the reinforced cover 10 and the reinforced cover is not installed. The infrared receiver module 11 of the set-top box 1 can receive the farthest distance value of the signal, and the measurement result is as shown in FIG. 6.
由圖6所顯示的測試結果可知，加裝了本發明所提供之 增強接收罩H)後’除了欄位A_】與A_2所示的訊號接收距離 變紐之外，其餘測試案例在接收距離上均有所提高 '或至 少等同於原先未加裝前的接收距離。由此可見，經由本發 明所提供之具增強接收罩10’可使紅外線接收模組 旋轉角度約3G度的訊號接收距離。亦即，使用者非於機上 盒1正前方，反而於一特定角度操作遙控器9時，將可大幅 拉遠操作距離。據此，本發明將可更適用於特殊限制之使 用環境，如限制使用角度等。更進一步說明，本發明可適 用於其他光學設備上，如電視、監視器 '影音撥放器 '擴 大機、螢幕等之紅外線接收端。據此，以前述旋轉角度3〇 度而論’同樣可增強遙控接收距離。 然而’上述實施例僅係為了方便說明而舉例而已，本 發明所主張之權利範圍自應以申請專利範圍所述為準，而 非僅限於上述實施例。 【圖式簡單說明】 圖1係本發明一較佳實施例之系統架構。 7 201138331 圖2係本發明一較佳實施例之機上盒外蓋分解圖。 圖3係本發明一較佳實施例之增強接收罩立體圖。 圖4係本發明一較佳實施例之增強接收罩a a方向剖視圖。 圖5係本發明一較佳實施例之紅外線接收模組效能測試圖 圖ό係本發明一較佳實施例之紅外線接收模組測試結果圖 9 【主要元件符號說明】 1 機上盒 10 增強接收罩 18 電路板 19丨接合處 102第一扣釣 1 1 1光源接收部 Η 3第二扣合槽 遙控器 2 顯示螢幕 11 紅外線接收模組 19 外蓋 10]透鏡 103第二扣鉤 112第一扣合槽 10 1 a平面側 101 b凹面側It can be seen from the test results shown in FIG. 6 that, after the enhanced receiving cover H) provided by the present invention is added, except for the signal receiving distance change indicated by the field A_ and A_2, the remaining test cases are at the receiving distance. Both have been improved 'or at least equal to the receiving distance before the original installation. Thus, it can be seen that the infrared receiving module can be rotated by a signal receiving distance of about 3 G degrees via the enhanced receiving cover 10' provided by the present invention. That is, the user is not directly in front of the set top box 1, but instead operates the remote controller 9 at a specific angle, the operating distance can be greatly extended. Accordingly, the present invention will be more applicable to particularly limited use environments, such as limiting the angle of use and the like. Still further, the present invention is applicable to other optical devices such as televisions, monitors, "audio-player" expanders, infrared receivers for screens, and the like. Accordingly, the remote control receiving distance can be enhanced by the aforementioned rotation angle of 3 degrees. However, the above-described embodiments are merely exemplified for the convenience of the description, and the scope of the claims is intended to be based on the scope of the claims, and is not limited to the above embodiments. BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a system architecture of a preferred embodiment of the present invention. 7 201138331 Figure 2 is an exploded view of the outer casing of the upper casing of a preferred embodiment of the present invention. 3 is a perspective view of a reinforced receiving cover in accordance with a preferred embodiment of the present invention. Figure 4 is a cross-sectional view of the reinforced receiving cover a a in accordance with a preferred embodiment of the present invention. 5 is a performance test chart of an infrared receiving module according to a preferred embodiment of the present invention. The test result of the infrared receiving module according to a preferred embodiment of the present invention is shown in FIG. 9 [Description of main component symbols] 1 Enhanced setting of the set-top box 10 Cover 18 Circuit board 19 丨 joint 102 First buckle fishing 1 1 1 light source receiving part Η 3 second fastening slot remote control 2 Display screen 11 Infrared receiving module 19 Cover 10] Lens 103 Second hook 112 First Buckle groove 10 1 a plane side 101 b concave side