M443979 五、新型說明： 【新型所屬之技術領域】 本創作係與感應式充電模組有關，特別是指一種電子裝置 及其感應式充電模組。 【先前技術】 隨著感應式電力傳輸技術的發展，未來各式電子裝置（電 腦、手機、行動電源、電視及各種小家電等)都可藉由感應式 鲁電力傳輸的方式獲得所需之電力，甚至，電動汽車、電動機車 及電動自行車也可以透過感應式電力傳輸技術來獲得電池充 電所需的電力，如此，目前所使用的電線也將逐步的被取代。 其中，感應式電力傳輸技術所需的感應線圈將是影響未來電力 傳輸效率的重點，例如台灣公開第2〇1214915號申請案係揭露 -種非接觸傳送電力線圈模組，其包括—第—線圈模組及一第 二線圈模組’由於’該第—及二線圈模組具有相似的結構因 此’於此僅說明第二線圈模組的結構。該第二線圈模組具有一 釀導磁板及-第二線圈，該第二線圈的空心部係穿套於該導磁板 的内侧突起部，其中，該内侧突起部的頂部係封閉的結構，如 此’該第二線圈被通以交流電後，且該第一線圈模組靠近該第 二線圈模該第二線_組產生的磁通就可耦合置。由於 該内側突起部的頂部是封閉的結構，且該導磁板的磁阻係小於 外部空机的雖’因此，該些磁力線有可能會沿著該封閉的社 構通過，而沒有輕合到第一線圈模組，而影響磁力線的輕合: 進而影響電力傳送效率。在實務中，通常震設有第—或第 圈模組的電子裝置會在外殼上繪示特定圖案以供確認最:的 3 M443979 置’但藉由該申請案的教示，僅得該第-或第二線圈模 Γ設於電路板上或外殼内，確絲有效使第—或第二線 辟、，/、該外设的特定圖案產生直接的對位，而增加組裝上的 ^員:再者’右未正確對應該特定圖案時，使壯可能誤認為 最佳感應充電位置，但實際上僅有部分第二線圈的磁通 /第一線圈感應到，而浪費過多的磁通，進而影響充電效率。 【新型内容】 電子供「種電子裝置及其感應式充電模組。其中，該 匕 成、一感應式充電模組、一二次電池及一轉換 。該感應式充電模組係設賊殼内，a具有—線圈組及」 。該線圈組具有由内往外環繞的多個線圈，該本體具有一 H拉-外初回及一内J哀牆。該外環牆及該内環牆的底部係分 ，面係正對該外環踏，該内環牆的_面係:定::内凹苡 =凹槽的槽口係朝向該内環牆的頂部。其中，該些線圈中最内 圈^線圈係鄰近該内環牆，該些線圈中最外圈的線圈係鄰近該 %牆。該二次電池係設於殼内。該轉換電路係設於殼内，且 電連接該二次電池及該感應式充電模組的線圈組。 如此，本創作的感應式充電模組係可提供磁力線較佳的磁 ^路也’並藉由該本體的結構來控制磁力線的分布，並減少磁 漏。 較佳地，該殼具有-圖案及一定位柱。該圖案係位在該殼 2外表面。該定位柱係位在該殼的内表面，且背對該圖案，並 播入該凹槽内。如此’該感應式充電模組與該殼之間的位置， 就可藉由該定位柱達成組裝簡單及定位明確的目的。 M443979 【實施方式】 為了詳細說明本創作之技術特點所在，茲舉以下之一較佳 實施例並配合圖式說明如后，其中： 如第一圖所示，第一圖係繪示本創作的一較佳真聽實施例 的電子裝置的示意圖。電子裝置1包括一殼40、一感應式充電 模組10、一二次電池20及一轉換電路30。該感應式充電模組 10、該二次電池20及該轉換電路30係設於該殼40内。該轉 鲁換電路30係電連接該感應式充電模組1〇及該二次電池20,該 二次電池可以是鎳鎘電池（Ni-Cd)、鎳氫電池（Ni-MH)、鋰 離子電池（Li-i〇n)及鋰高分子電池（Li-p〇lymer，又稱鋰聚合 物電池）等可重複充電及放電的電池。 請參照第二圖’第二圖係繪示第一圖中感應式充電模組的 放大爆炸圖。該感應式充電模組10具有一線圈組11及一本體 該線圈組u具有由内往外環繞的多個線圈m，以使該些 線圈U1環繞成平板形狀。該本體12具有一底板121、一外環 牆122及一内環牆123,該本體12較佳係選用亞鐵鹽、氧化鐵 等軟磁材料製成、或者利用高導磁的複合材料製成，高導磁的 複。材料較佳係選用橡膠或塑料粉末混合前述的軟磁材料。該 外T牆122及該内環牆123的底部係分別連接該底板12卜該 外％牆122係環繞於該底板121的外週緣，該内環牆的外 側面係正對該外環牆122，該内環牆123的内侧面係界定一凹 槽124 ’该凹槽124的槽口係朝向該内環牆123的頂部。其中， 該些線® 111令最内圈的線® 111a係鄰近該内環牆！23,該些 線圈111中最外圈的線圈111b係鄰近該外環牆122。當該感應 5 M443979 式充電模組10的線圈組11被通以交變的電力時，該線圈組11 就會產生多條磁力線’每一磁力線的磁路通常會沿著該外環牆 122、該底板12卜内環牆123及空氣而形成封閉迴路，如此， 相較於先前技術’該内環牆123底部的底板121就可避免漏 磁。該外環牆122及該内環牆123的高度較佳係略高於線圈組 11的線徑。 該外環牆123具有兩缺口 125、126,用以供接收該線圈組 11的兩終端，如此，該感應式充電模組1〇就比較美觀，且不 會增加整體的厚度。 請參照第三圖，第三圖係繪示本創作的電子裝置應用的示 意圖。於此實施例中，該電子裝置1係以手機為例來作說明， 而充電器5是一般市售具有感應線圈5〇的產品。當該充電器 50獲得一般市電，且該電子裝置1靠近該充電器5時，該電子 裝置1的感應式充電模組10就可感應到該充電器5的感應線 圈50產生的磁場，這樣，該轉換電路3〇就可以接收該感應式 充電模組10感應到的電能，並對該二次電池2〇進行充電。 請參照第四圖，第四圖係繪示本創作的電子裝置另一應用 的示意圖。於此實施例中’該電子裝置la係以行動電源為例 來作說明’而被充電物就是-般市售的平板電腦6，該平板電 腦6具有感應線圈61、電池62及轉換電路63。當該行動電源 與該平板電腦6接近時，該行動電源的轉換電路3如就會接收 該二次電池20a的電能，並將電能處理敍變的電力至該感應 式充電模組IGa的線圈組1U，這樣，該平板電腦6的感應^ 圈61也可以感應到該感應式充電模組1〇a所產生的磁場，而 M443979 將感應到的磁場轉換成電能而對該平板電腦6的電池62充電。 需要注意的是，在第三及四圖中該充電器5(充電物)及該 平板電腦6(被充電物)都不是採用本創作的感應式充電模組 10、10a，但也都可以完成感應式充電的目的，所以，本創作 的感應式充電模組10、l〇a的應用不以同為本創作的元件為 限’也可以搭配其它感應線圈。然而，充電物及被充電物也可 以是都選用本創作的感應式充電模組1〇、l〇a,這樣將可獲得 φ 較佳的充電效率。 如第五圖所示’第五圖係繪示第二圖中該感應式充電模組 的本體的示意圖，第五圖係省略該線圈組11。該外環牆122 及該内環牆123的頂部的表面積a!、A】係大致相等，如此， 該些磁力線就可順暢地通過該本體12,並從該外環牆122及該 内環牆123的頂部的表面進入及退出，以控制該些磁力線的方 向及提高磁力線的耦合，進而增加電力轉換效率。 如第六圖所示，第六圖係繪示第一圖中該電子裝置的刮視 籲不意圖。該殼40具有一圖案41及一定位柱42 ,該圖案41係 位在該殼40的外表面4〇a，該定位柱42係位在該殼4〇的内表 面40b ’且背對該圖案41，並用以插入該凹槽124内。該圖案 41較佳係以印刷、模内成型或貼紙黏貼方式固定成形該圖案 41呈現的樣式可以呈現如幅射狀放射、同心圓或$線等但不 以此為限因為，该圖案^是用以識別感應充電的位置，戶斤 以/、要疋可供辨識的圖案41均可為本創作的圖案々I。如此， 當該電子裝置被如上述第三及四圖的應用時，即可藉由圖案對 圖案的方式’使兩相接近的電子裝置達成有效率地充電。 7 M443979 【圖式簡單說明】 第一圖係繪示本創作的一較佳具體實施例的電子裝置的 示意圖。 第二圖係繪示第一圖中感應式充電模組的放大爆炸圖。 第三圖係繪示本創作的電子裝置應用的示意圖。 第四圖係繪示本創作的電子裝置另一應用的示意圖。 第五圖係繪示第二圖中該感應式充電模組的本體的示意 圖。 第六圖係繪示第一圖中該電子裝置的剖視示意圖。 【主要元件符號說明】 1、la電子裝置 10、10a感應式充電模組 11、11a線圈組 111、Ilia、111b 線圈 12本體 121底板 122外環牆 123内環牆 124凹槽 125、126 缺口 20、20a二次電池 30、30a、63轉換電路 40殼 40a外表面 40b内表面 41圖案 42定位柱 5充電器 50、61感應線圈 6平板電腦 62電池M443979 V. New Description: [New Technology Area] This creation is related to inductive charging modules, especially an electronic device and its inductive charging module. [Prior Art] With the development of inductive power transmission technology, various electronic devices (computers, mobile phones, mobile power supplies, televisions, and various small household appliances, etc.) can obtain the required power by inductive Lu power transmission. Even electric vehicles, electric locomotives, and electric bicycles can use the inductive power transmission technology to obtain the power required for battery charging. As a result, the wires currently used will be gradually replaced. Among them, the induction coil required for inductive power transmission technology will be the focus of affecting the future power transmission efficiency. For example, the application of the Japanese Patent Publication No. 2 129 514, the disclosure of the type of non-contact transmission power coil module, including - the first coil The module and a second coil module 'have a similar structure for the first and second coil modules, so only the structure of the second coil module will be described herein. The second coil module has a brewing magnetic plate and a second coil, and the hollow portion of the second coil is sleeved on the inner protruding portion of the magnetic conductive plate, wherein the top portion of the inner protruding portion is closed After the second coil is connected to the alternating current, the magnetic flux generated by the second coil module adjacent to the second coil module can be coupled. Since the top of the inner protrusion is a closed structure, and the magnetic resistance of the magnetic conductive plate is smaller than that of the external air machine, the magnetic lines of force may pass along the closed structure without being lightly coupled to The first coil module affects the lightness of the magnetic lines of force: thereby affecting the power transmission efficiency. In practice, the electronic device that normally has the first or second circle module will display a specific pattern on the outer casing for confirmation of the most: 3 M443979 'but with the teaching of the application, only the first - Or the second coil module is disposed on the circuit board or in the outer casing, and the wire is effective to make the first or second wire, /, the specific pattern of the peripheral device directly collide, and increase the assembly member: Furthermore, when the right side does not correctly correspond to a specific pattern, Zhuang may be mistaken for the best inductive charging position, but in reality only part of the second coil's magnetic flux/first coil is sensed, and too much magnetic flux is wasted, and thus Affects charging efficiency. [New content] Electronics for "electronic devices and their inductive charging modules. Among them, the 匕, an inductive charging module, a secondary battery and a conversion. The inductive charging module is set in the thief shell , a has - coil set and " . The coil set has a plurality of coils surrounded by the inside and the outside, the body having a H-outer first return and an inner J wall. The outer ring wall and the bottom of the inner ring wall are divided into sections, and the surface is being stepped on the outer ring. The inner ring wall is defined as: the inner groove 凹槽 = the groove of the groove is oriented toward the inner ring wall the top of. The innermost coils of the coils are adjacent to the inner ring wall, and the outermost coils of the coils are adjacent to the % wall. The secondary battery is provided in the casing. The conversion circuit is disposed in the casing and electrically connects the secondary battery and the coil assembly of the inductive charging module. Thus, the inductive charging module of the present invention can provide a magnetic circuit with a better magnetic field line and control the distribution of magnetic lines of force by the structure of the body and reduce magnetic leakage. Preferably, the shell has a pattern and a positioning post. The pattern is tied to the outer surface of the shell 2. The locating post is located on the inner surface of the shell and faces away from the pattern and is inserted into the recess. Thus, the position between the inductive charging module and the casing can be easily assembled and clearly defined by the positioning post. M443979 [Embodiment] In order to explain in detail the technical features of the present invention, one of the following preferred embodiments will be described with reference to the following description, wherein: as shown in the first figure, the first figure shows the creation of the present A schematic diagram of an electronic device of a preferred embodiment. The electronic device 1 includes a case 40, an inductive charging module 10, a secondary battery 20, and a conversion circuit 30. The inductive charging module 10, the secondary battery 20, and the conversion circuit 30 are disposed in the case 40. The switching circuit 30 is electrically connected to the inductive charging module 1 and the secondary battery 20. The secondary battery may be a nickel-cadmium battery (Ni-Cd), a nickel-hydrogen battery (Ni-MH), or a lithium ion. A battery that can be recharged and discharged, such as a battery (Li-i〇n) and a lithium polymer battery (Li-p〇lymer, also known as a lithium polymer battery). Please refer to the second figure. The second figure shows an enlarged exploded view of the inductive charging module in the first figure. The inductive charging module 10 has a coil assembly 11 and a body. The coil assembly u has a plurality of coils m surrounded by the inside to surround the coils U1 in a flat shape. The body 12 has a bottom plate 121, an outer ring wall 122 and an inner ring wall 123. The body 12 is preferably made of a soft magnetic material such as ferrous salt or iron oxide, or a composite material made of a high magnetic permeability. High magnetic permeability. Preferably, the material is a rubber or plastic powder mixed with the aforementioned soft magnetic material. The outer T wall 122 and the bottom of the inner ring wall 123 are respectively connected to the bottom plate 12, and the outer wall 122 is surrounded by the outer periphery of the bottom plate 121. The outer side of the inner ring wall is directly facing the outer ring wall 122. The inner side of the inner ring wall 123 defines a recess 124' which is directed toward the top of the inner ring wall 123. Among them, these lines ® 111 make the innermost line ® 111a close to the inner ring wall! 23. The outermost coil 111b of the coils 111 is adjacent to the outer annular wall 122. When the coil group 11 of the sensing 5 M443979 type charging module 10 is subjected to alternating power, the coil group 11 generates a plurality of magnetic lines of force. The magnetic path of each magnetic line usually follows the outer ring wall 122. The bottom plate 12 and the inner ring wall 123 and the air form a closed loop, so that magnetic leakage can be avoided as compared with the prior art 'the bottom plate 121 at the bottom of the inner ring wall 123. The height of the outer ring wall 122 and the inner ring wall 123 is preferably slightly higher than the wire diameter of the coil assembly 11. The outer ring wall 123 has two notches 125, 126 for receiving the two terminals of the coil assembly 11, so that the inductive charging module 1 is more beautiful and does not increase the overall thickness. Please refer to the third figure, which is a schematic diagram showing the application of the electronic device of the present invention. In this embodiment, the electronic device 1 is exemplified by a mobile phone, and the charger 5 is a commercially available product having an induction coil 5〇. When the charger 50 obtains the general power supply, and the electronic device 1 is close to the charger 5, the inductive charging module 10 of the electronic device 1 can sense the magnetic field generated by the induction coil 50 of the charger 5, thus, The conversion circuit 3 can receive the electric energy sensed by the inductive charging module 10 and charge the secondary battery 2 . Please refer to the fourth figure, which is a schematic diagram showing another application of the electronic device of the present invention. In this embodiment, the electronic device 1a is exemplified by a mobile power source, and the object to be charged is a commercially available tablet computer 6, which has an induction coil 61, a battery 62, and a switching circuit 63. When the mobile power source is close to the tablet computer 6, the switching circuit 3 of the mobile power source receives the electric energy of the secondary battery 20a, and processes the electric energy into the coil group of the inductive charging module IGa. 1U, in this way, the sensing coil 61 of the tablet 6 can also sense the magnetic field generated by the inductive charging module 1A, and the M443979 converts the induced magnetic field into electrical energy to the battery 62 of the tablet 6. Charging. It should be noted that in the third and fourth figures, the charger 5 (charging object) and the tablet computer 6 (charged object) are not the inductive charging modules 10 and 10a of the present invention, but can also be completed. The purpose of inductive charging, therefore, the application of the inductive charging module 10, l〇a of the present invention is not limited to the components of the original creation, and can also be combined with other induction coils. However, the inductive charging module 1〇, l〇a of the present invention can be selected for both the charging object and the object to be charged, so that a better charging efficiency of φ can be obtained. As shown in the fifth figure, the fifth figure shows a schematic diagram of the body of the inductive charging module in the second figure, and the fifth figure omits the coil group 11. The surface areas a!, A] of the outer ring wall 122 and the top of the inner ring wall 123 are substantially equal, so that the magnetic lines of force can smoothly pass through the body 12, and from the outer ring wall 122 and the inner ring wall The surface of the top of 123 enters and exits to control the direction of the magnetic lines of force and increase the coupling of magnetic lines of force, thereby increasing power conversion efficiency. As shown in the sixth figure, the sixth figure shows the scratching of the electronic device in the first figure. The housing 40 has a pattern 41 and a positioning post 42 that is positioned on the outer surface 4〇a of the housing 40. The positioning post 42 is positioned on the inner surface 40b' of the housing 4'' and faces away from the pattern 41, and used to insert into the groove 124. The pattern 41 is preferably formed by printing, in-mold forming or sticker-bonding. The pattern presented by the pattern 41 can be expressed as a radiation radiation, a concentric circle or a line, etc., but not limited thereto. To identify the location of the inductive charging, the pattern 41 that can be identified by the household can be the pattern 创作I of the creation. Thus, when the electronic device is applied as in the above-described third and fourth figures, the two-phase approaching electronic device can be efficiently charged by the pattern-by-pattern mode. 7 M443979 BRIEF DESCRIPTION OF THE DRAWINGS The first drawing is a schematic diagram of an electronic device according to a preferred embodiment of the present invention. The second figure shows an enlarged exploded view of the inductive charging module in the first figure. The third figure is a schematic diagram showing the application of the electronic device of the present creation. The fourth figure is a schematic diagram showing another application of the electronic device of the present invention. The fifth figure shows a schematic view of the body of the inductive charging module in the second figure. Figure 6 is a cross-sectional view showing the electronic device in the first figure. [Main component symbol description] 1. La electronic device 10, 10a Inductive charging module 11, 11a coil group 111, Ilia, 111b Coil 12 body 121 bottom plate 122 outer ring wall 123 inner ring wall 124 groove 125, 126 notch 20 20a secondary battery 30, 30a, 63 conversion circuit 40 shell 40a outer surface 40b inner surface 41 pattern 42 positioning column 5 charger 50, 61 induction coil 6 tablet computer 62 battery