1286902 八、發明說明： 【發明所屬之技術領域】 本案係指一種接觸式影像掃瞄模組(CISM)之光源組裳結構及 其組裝方法，尤指應用於掃瞄器(Scanner)之接觸式影像掃瞒模組。 【先前技術】 掃瞄器(S c anner)的工作原理是將光源所產生的光線照射到待 掃瞄的稿件上，經過鏡片組的反射，再聚集於電荷麵合元件 (Charge-Coupled Device，CCD)或是互補式金屬氧化物半導體 (Complementary Metal Oxide Semiconductor ’ CMOS)之上由其接收 後，利用這類型的感光元件將光的訊號轉變為電的訊號，^而產 生出類比或數位晝素(Pixel)資料。 在掃瞄的過程中，由於CCD可以檢測影像上不同區域反射回 來不同強度的光，因此利用紙張上較暗的區域反射較少的光、較 亮的區域反射較多的光的原理，可以將CCD所反射的光波轉換為 類比或數位資料，此電訊訊號會與光的強度成正比，最後，再使 用與掃瞄器相容的文字或影像掃瞄軟體讀入這些數據，並將其重 組為電腦影像檔。 ' 由於優異的掃瞄器取像表現仰賴成熟的光控制技術，因此影 像掃瞄模組的品質不但重要，更是影響掃瞄器運作表現的主要元 件之一。 目前主流之掃瞄器的影像掃瞄模組是一種被稱為接觸式影像 掃目苗模組(contact image sensor module，CISM)的技術，其是以模組 化的型態，將光源、柱狀透鏡、感測基板及外殼等組合在一起。 請參閱第一圖(a)，其為習知技術中之接觸式影像掃瞄模組的 結構示意圖。其中，接觸式影像掃瞄模組1〇係由二極體光源U、 柱狀透鏡(Rod Lens)12、殼體(Housing)13以及電路板14所共同結 合而成；而電路板14上更具有由CCD或是CMOS所構成的一感 光元件141。 1286902 請參考第一圖0>)，其為二極體光源n之側視圖。- 光ίίίί光^極體(LED)1U作為點光源，再利用其與一透明/導 ί ί m喊113的相互結合，將點光源導成線光源。透明導 先棒112的型態如第一圖(c)所示。 表騎、逐· 二以第一圖⑻中二極體光源u與殼體13的組合方 3氧使=面璆献其他特殊膠材__·例如郷_〇11)、 二，月曰膠(epox贼是壓克力膠(aciylic)，再施以紫外光 與殼祕的方式使得膠細而將二極體光源11 心Ϊ上述的結合方式中將二極體光源11與殼體13結合時，若 ，用雙面麵要大量的人工來作裁切及黏貼紅作，而若是使 ^特殊騎難要邮、UV烘烤設備以及料職凝固的時 ，、，此外若有紅的需要時，還必須小心、地拆_免造成二極體 光源11受損報廢，亦有可能須將原膠材清除乾淨之後再重新上膠 ^使用。因此此種結合方式的成本與卫時需求都很高，對於目 前微利的電子產業來說無法有效地提高競爭力。 、 職是之故，發明人鑑於習知技術之缺失，乃思及改良發明之 意念，續經悉心試驗與研究，並一本鍥而不捨之精神，終發明出 本案「接觸式影像掃瞄模組(CISM)之光源組裝結構及其組裝方 法」，以下為本案之簡要說明。 【發明内容】 本案之主要構想為利用將卡榫放入卡槽後、卡榫會與卡槽相 互勾扣並結合的技術，將影像掃描模組(CISM)之線性光源與殼體 組裝成一體，然後再將線性光源之發光二極體的接腳(pin)與電路 板以銲錫方式進行接合固定。 根據本案之主要構想，提出一種接觸式影像掃瞄模組之光源 組裝結構，包括：至少一二極體光源，其係由一發光二極體(以^、' 一導光棒以及一外殼所組成，該發光二極體係設置於該外殼之一 端，該導光棒係導引該發光二極體所發出之一光，該外殼具有至 1286902 ’ ^卡固結構；以及一殼體，具有至少一第二卡固結構，該殼 體係藉由該第二卡固結構分別與該第一卡固結構相卡合"，而^該 二極體光源固定於該殼體。 根據本案之另一構想，提出一種接觸式影像掃瞄模組之光源 組f結構，組裝方法，包括下列步驟：提供至少一二極體光源以及 一殼體，該二極體光源係由一發光二極體、一導光棒以及一外殼 所組成，該發光二極體係設置於該外殼之一端，該導光棒係導引 該，光二極體所發出之一光，該外殼具有至少一第一卡固結構， 該，體具有至少一第二卡固結構；以及將該第二卡固結構分別與 該第一卡固結構相卡合，使得該二極體光源固定於該殼體。^ 本案得藉由下列圖式及詳細說明，俾得更深入之了解·· 【實施方式】 清參閱第二圖⑻〜⑷，其為第一種構成本案接觸式影像掃瞄模 組之光源組裝結構之元件的示意圖。 第一圖(a)為構成光源組裝結構之二極體光源的側視圖，在第 一，(a)中’二極體光源2〇係由發光二極體(led)2〇1、導光棒以及 外殼202所組成(導光棒係位於外殼2〇2的下方），發光二極體2〇1 係位於外殼202的一端，導光棒係用以引導發光二極體2〇1所發 ώ之一光，而外殼202則具有至少一第一^^固結構203;第二圖(b) 係為第一^固結構203的放大圖，此處的第一^固結構203係以 卡榫的方式製作。 ，二圖(c)為構成光源組裝結構之殼體的側視圖，在第二圖(c) 设體21具有一 LED容置孔211以及一透鏡容置槽212，LED ，置孔211係在二極體光源2〇與殼體2i進行組合時用以容置發 光二極體201，透鏡容置槽212則係用以容置一柱狀透鏡(圖中未 不出）’柱j大透鏡係用以反射由導光棒所傳來的光。此外，殼體21 ，具有數與第一卡固結構203相等的複數個第二卡固結構213; 第一圖(d)係為第二卡固結構213的放大圖，此處的第二卡固結構 213係以卡槽的方式製作。 1286902 固結構203分別1286902 VIII. Description of the invention: [Technical field of the invention] This application refers to a light source group structure of a contact image scanning module (CISM) and an assembly method thereof, especially a contact type applied to a scanner (Scanner). Image broom module. [Prior Art] The scanner works by irradiating the light generated by the light source onto the manuscript to be scanned, reflecting it through the lens group, and then collecting it on the charge-coupled device (Charge-Coupled Device, CCD) or a complementary metal oxide semiconductor (CMOS) is received by it, and this type of photosensitive element is used to convert the light signal into an electrical signal to generate an analog or digital element. (Pixel) information. In the process of scanning, since the CCD can detect different areas of light reflected from different areas of the image, the principle that the darker areas of the paper reflect less light and the brighter areas reflect more light can be used. The light reflected by the CCD is converted into analog or digital data. The signal is proportional to the intensity of the light. Finally, the text or image scanning software compatible with the scanner is used to read the data and reconstruct it into Computer image file. 'Because the excellent scanner image performance relies on mature light control technology, the quality of the image scanning module is not only important, but also one of the main factors affecting the performance of the scanner. At present, the image scanning module of the mainstream scanner is a technology called a contact image sensor module (CISM), which is a modular type, which uses a light source and a column. The lens, the sensing substrate, the outer casing and the like are combined. Please refer to the first figure (a), which is a schematic structural diagram of a contact image scanning module in the prior art. The contact image scanning module 1 is formed by combining a diode light source U, a lenticular lens (Rod Lens) 12, a housing 13 and a circuit board 14; and the circuit board 14 is further There is a photosensitive element 141 composed of CCD or CMOS. 1286902 Please refer to the first figure 0>), which is a side view of the diode light source n. - The light-emitting body (LED) 1U is used as a point source, and then combined with a transparent/infrared yoke 113 to direct the point source into a line source. The shape of the transparent guiding rod 112 is as shown in the first figure (c). Table riding, by two, in the first figure (8) in the combination of the diode light source u and the shell 13 oxygen 3 = other special glue __ · such as 郷 _ 〇 11), two, moon gutta (The epox thief is an aciylic, and the combination of the ultraviolet light and the shell is used to make the compact and the diode light source 11 is in the above-mentioned combination. The diode light source 11 is combined with the housing 13 in a combination manner. If, if you use a double-sided surface, you need a lot of manual work for cutting and pasting red, and if it is necessary to make the special riding difficult to post, UV baking equipment and material coagulation, and if there is a need for red At the same time, it must be carefully removed. It is not necessary to cause the diode light source 11 to be damaged and scrapped. It is also possible to remove the original rubber material and then re-gluing and using it. Therefore, the cost and the time requirement of this combination method are both Very high, for the current meager profit electronics industry can not effectively improve competitiveness., the job is the reason, the inventor in view of the lack of conventional technology, is thinking and improving the idea of invention, continued to carefully test and research, and The spirit of perseverance, the invention of the "contact image scanning module (CISM) light The assembly structure and the assembly method thereof are as follows. The main idea of the present invention is to use the technique of hooking and joining the cassette to the card slot after the cassette is placed in the card slot. The linear light source of the scanning module (CISM) is integrated with the casing, and then the pin of the light-emitting diode of the linear light source is soldered and fixed to the circuit board. According to the main idea of the present invention, a The light source assembly structure of the contact image scanning module comprises: at least one diode light source, which is composed of a light emitting diode (with a light guide rod and a casing), the light emitting diode system is arranged At one end of the outer casing, the light guiding rod guides one of the light emitted by the light emitting diode, the outer casing has a locking structure of 1286902'; and a casing having at least a second fastening structure, The housing is respectively engaged with the first fastening structure by the second fastening structure, and the diode light source is fixed to the housing. According to another concept of the present invention, a contact image scanning is proposed. Aiming module The light source group f structure and the assembly method include the following steps: providing at least one diode light source and a casing, the diode light source being composed of a light emitting diode, a light guiding rod and a casing, the light emitting diode The pole system is disposed at one end of the outer casing, the light guiding rod guides the light emitted by the light diode, the outer casing has at least one first fastening structure, and the body has at least one second fastening structure; And the second fastening structure is respectively engaged with the first fastening structure, so that the diode light source is fixed to the housing. ^ The present invention can be further understood by the following drawings and detailed descriptions. [Embodiment] Refer to the second figure (8) to (4), which is a schematic diagram of the first component of the light source assembly structure constituting the contact image scanning module of the present invention. The first figure (a) is a light source assembly structure. A side view of the diode source, in the first, (a) 'diode source 2 is composed of a light emitting diode (LED) 2, a light guide bar and a housing 202 (light guide bar is located The lower part of the outer casing 2〇2), the light-emitting diode 2〇1 is located in the outer casing 2 At one end of the 02, the light guiding rod is used to guide one of the light emitted by the light emitting diode 2〇1, and the outer casing 202 has at least one first solid structure 203; the second figure (b) is the first An enlarged view of the solid structure 203, where the first solid structure 203 is fabricated in a jammed manner. Figure 2 (c) is a side view of the housing constituting the light source assembly structure. In the second embodiment (c), the body 21 has an LED receiving hole 211 and a lens receiving groove 212, and the LED and the hole 211 are attached thereto. The diode light source 2 〇 is combined with the housing 2i for accommodating the LED 201, and the lens accommodating groove 212 is for accommodating a lenticular lens (not shown). It is used to reflect the light from the light guide bar. In addition, the housing 21 has a plurality of second fastening structures 213 equal to the first fastening structure 203; the first figure (d) is an enlarged view of the second fastening structure 213, where the second card is The solid structure 213 is produced by a card slot. 1286902 solid structure 203 respectively
ί - ί形狀設計列，财_方式也會不同S 結構2〇3插入第二卡固結構213，接著^如 德不又，將第一"^固結構203的支持部2〇31向右滑人篦 2mt21i的缺口部2131 ’使得第一卡固結構上ii i _二卡固結構213的凸部2132;二極體光源2〇固定= 體21—的情形如第三斷)所示。 ㈣㈣固疋於设 可以利用佩= 卡_方式製作，而卡隨構的製作則 作卜及殼體21之時以一體射出成型的方式一併 ⑽ϋΐϊϊΐ方式中’由於第一卡固結構2〇3係以滑動一小 二卡固結構213相卡合，因此熟習本項技術者 曰一極體先源20會有漏光或是灰塵進入的缺點發生，針對這 題L吾人可於LED容置孔211中設計一凹部來解決；如第四 二，於LED容置孔211中設計一凹部2111，如此發光二極 f 201在如第四圖(b)般地置入LED容置孔211並向右滑動後，凹 f 2111便可以封住發光二極體201和LED容置孔211間的縫隙， 達到=止漏光及灰塵進入的目的。 s青參閱第五圖(a)〜(d)，其為第二種構成本案接觸式影像掃瞄模 、、且之，源組裝結構之元件的示意圖。 弟五圖(a)為構成光源組裝結構之二極體光源的側視圖，在第 五圖⑻中、，二極體光源50係由發光二極體501、導光棒以及外殼 502所組成’發光二極體501係位於外殼502的一端，外殼502則 ^有至少一第一^^固結構503;第五圖(的係為另一種製作型態之 第一，固結構503的放大圖。ί - ί shape design column, the money _ way will also be different S structure 2 〇 3 inserted into the second fastening structure 213, then ^ ru ru, the first " ^ solid structure 203 support 2 〇 31 to the right The notch portion 2131' of the sliding person 篦 2mt21i is such that the convex portion 2132 of the ii i _ two-buck structure 213 on the first fastening structure; the case where the diode light source 2 〇 is fixed = the body 21 - is as shown in the third break). (4) (4) The fixed structure can be made by using the method of the card, and the production of the card is made in the form of an integral injection molding in the case of the casing 21 (10) in the manner of 'the first fastening structure 2〇3 The sliding one small two-car structure 213 is engaged, so that the person skilled in the art has a shortcoming of light leakage or dust entering, the first source 20 can be used for the LED accommodating hole 211. A recess is designed to solve the problem; for example, a recess 2111 is formed in the LED receiving hole 211, so that the light emitting diode f 201 is placed in the LED receiving hole 211 and rightward as shown in the fourth drawing (b). After sliding, the concave f 2111 can seal the gap between the LED 201 and the LED receiving hole 211, and achieve the purpose of stopping light leakage and dust entering. See the fifth diagrams (a) to (d), which are schematic diagrams of the second component of the contact image scanning module of the present invention, and the components of the source assembly structure. FIG. 5(a) is a side view of a diode light source constituting a light source assembly structure. In the fifth diagram (8), the diode light source 50 is composed of a light-emitting diode 501, a light guide rod, and a casing 502. The light-emitting diode 501 is located at one end of the outer casing 502, and the outer casing 502 has at least one first solid structure 503; the fifth figure is the first of another production type, and an enlarged view of the solid structure 503.
$五圖(c)為構成光源組裝結構之殼體的侧視圖，在第五圖⑷ 中’殼體51具有一 LED容置孔511以及一透鏡容置槽512，LED 1286902 ^置，5ΐι係在二極體光源％與殼體μ 光二極體5〇1。此外，殼體51更 字 第二卡固結構51=放1圖’第五_為另—種製作型態之 以J五圖(b)這種第-卡固結構5〇3的形狀來說， 示般，直接將第—卡固結構5ω插人第二卡酔構J 中Ϊ 二極縣源5〇固定於殼體51的情形如第六圖^亍。 卡固2:;提的是，除了上述推入及插入的兩種製作方式i外， 吏七 術者所能輕易想到之各式各樣的 7!3 S 圖(a)〜(C)之第一卡固結構7〇3及第二卡固結構 景彡‘;後的接觸式 =管是上述的哪-種製作方式，除了卡固結構單方面的卡合 $外，亦可_發光二極體所具有之至少—接腳㈣在穿過殼 體而叫接方式連接於電路板之—接腳孔時，職生的固著力輔 2案^之卡合力’以增強效果；其中，該接腳孔之形狀不限於 圓形、擴圓形或矩形。 μ述’本雜將卡榫與卡槽的設計直接置於線性光源外 像掃描11的殼體上，並在開模時即顧射出成型完成，其 二構t體成型;此種設計是㈣雜光源外殼之特殊卡棒，搭配 ^像掃模組之殼體的卡槽來組合，再棚電路板鱗性光源的發 :二極體之接腳的銲錫部結合，以加強線性光源與殼體組裝後的 性，如此既不需要黏貼的膠材如雙面膠、矽膠、環氧樹脂膠 或壓克力膠等，亦不需利用其他點膠或紫外線洪烤設備，當需重 1亦易於重工，如此可大大節省膠材、設備及U本，其應 用範圍除了掃目苗n之外，亦適用於現今風行於市面的多功能事務 機(multifim^ti(mprinter，MFP)或是其他種類的影像感測設備。 本案得由熟悉本技藝之人士任施匠思而為諸般修飾，然皆不 脫如附申請專利範圍所欲保護者。 1286902 【圖式簡單說明】 第一圖(a):習知技術中之接觸式影像掃瞄模組的結構示意圖； 第一圖(b)··第一圖(a)之二極體光源的側視圖； 匕’ 第一圖(c):第一圖(a)之透明導光棒的示意圖； 第二圖(a)〜(d):第一種構成本案接觸式影像掃瞄模組之光源組 結構之元件的示意圖； 第三圖(a)〜(b)··第二圖之卡固結構的結合示意圖： 第三圖(c):第二圖之二極體光源與殼體的結合示意圖； ，四圖(a)〜(c):第二圖之發光二極體與LED容置孔的結合示意圖; 第五圖(a)〜(d):第二種種構成本案接觸式影像掃瞄模組之光源组 裝結構之元件的示意圖； 第六圖(a):第五圖之卡固結構的結合示意圖： 第六圖(b):第五圖之二極體光源與殼體的結合示意圖；以及 第七圖(a)〜(c):第三種卡固結構的結合示意圖。 ’ 【圖式符號說明】 10接觸式影像掃瞄模組 11、20、50二極體光源 12柱狀透鏡 13、21、51 殼體 14電路板 111 '201、501發光二極體 112透明導光棒 113、202、502 外殼 141感光元件 203、503、703 第一^^固結構 211、 511 LED 容置孔 212、 512透鏡容置槽 213、 513、713第二卡固結構 1286902 2031支持部 2032抵頂部 2131缺口部 2132凸部 2111凹部$5 (c) is a side view of the housing constituting the light source assembly structure. In the fifth diagram (4), the housing 51 has an LED receiving hole 511 and a lens receiving groove 512, and the LED 1286902 is placed. In the diode source % and the housing μ light diode 5〇1. In addition, the housing 51 is further shaped by the second fastening structure 51=Ping 1Fig. 5th is another type of fabrication. The shape of the first-clamping structure 5〇3 of the figure J (b) As shown in the figure, the first-clamping structure 5ω is directly inserted into the second card structure J. The second pole county source 5〇 is fixed to the casing 51 as shown in the sixth figure. Card 2:; In addition to the above two methods of pushing and inserting, the various 7! 3 S drawings (a) to (C) can be easily imagined by the seven players. The first fastening structure 7〇3 and the second fastening structure view ;; the rear contact type=the tube is the above-mentioned production method, in addition to the unilateral engagement of the fastening structure $, At least the pin (four) of the polar body is connected to the pin hole of the circuit board through the casing, and the fixing force of the employee's fixing force 2 is used to enhance the effect; wherein The shape of the pin holes is not limited to a circle, an oval, or a rectangle. The design of the card and the card slot is directly placed on the housing of the linear light source external image scanning 11, and is formed by the injection molding when the mold is opened, and the two structures are formed; the design is (4) The special card of the miscellaneous light source shell is combined with the card slot of the shell of the sweeping module, and then the scalar light source of the shed circuit board is combined with the soldering part of the pin of the diode to strengthen the linear light source and the shell. After the body assembly, there is no need to apply adhesive materials such as double-sided tape, silicone rubber, epoxy resin or acrylic glue, etc., and do not need to use other dispensing or ultraviolet flooding equipment. It is easy to rework, which can save a lot of glue, equipment and U-book. Its application range is not only for the sweeping seedlings, but also for the multi-function machine (multifim^ti (mprinter, MFP) or other popular in the market today. A variety of image sensing devices. This case has been modified by people who are familiar with the art, but it is not intended to be protected as claimed in the patent application. 1286902 [Simple description of the figure] First picture (a ): Structure of the contact image scanning module in the prior art First view (b) · side view of the diode light source of the first figure (a); 匕' first figure (c): schematic view of the transparent light guide bar of the first figure (a); Figures (a) to (d): schematic views of the components of the first light source group structure constituting the contact image scanning module of the present invention; the third figure (a) to (b) · the second figure of the structure of the card Combination diagram: Figure 3 (c): schematic diagram of the combination of the diode source and the housing of the second diagram; and four diagrams (a) to (c): the second embodiment of the LED and the LED housing hole FIG. 5(a) to (d) are schematic diagrams showing the components of the light source assembly structure constituting the contact image scanning module of the present invention; FIG. 6(a): the fixing structure of the fifth figure The combination diagram: Figure 6 (b): The schematic diagram of the combination of the diode source and the housing of the fifth diagram; and the seventh diagram (a) to (c): the combination of the third type of fastening structure. Schematic description] 10 contact image scanning module 11, 20, 50 diode light source 12 cylindrical lens 13, 21, 51 housing 14 circuit board 111 '201, 501 light emitting diode 112 transparent light guide bar 113, 202, 502 housing 141 sensitive 203, 503, 703 first solid structure 211, 511 LED accommodating hole 212, 512 lens accommodating groove 213, 513, 713 second fastening structure 1286902 2031 support portion 2032 to the top portion 2131 notch portion 2132 convex portion 2111 Concave
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