201037939 六、發明說明： 【發明所屬的技術領域】 -本發明涉及一種充電技術’尤其涉及一種無線的充電 • 系統。 【先前技術】 隨著通訊技術的迅速發展，越來越多的人在工作和生 活中使用各種可攜式電子裝置，例如：筆記本電腦及手機 等。為提高便攜性，人們通常會採用可充電電池給可攜式 〇電子裝置供電。當需對該可攜式電裝置充電時，人們可採 用充電器對其充電。先前的充電器一般需藉由電源線纜連 接電源和可攜式電子裝置給充電電池充電，操作不方便。 另外，可攜式電子裝置一般需採用特定的、對應的充電器。 如此，用戶就需要隨身攜帶充電器，否則，將出現可充電 電池因電量耗盡而無法及時找到對應充電器的情況，給工 作和生活帶來極大的不便。 【發明内容】 ° ㈣於此’冑必要提供—種可以無線充電的充電系統。 一，用於給電子裝置充電的充電系統，該電子裝置包 括個蓄電裝置。該充電系統包括一個用於與交流電源電 連接的充電發生器、一個與該蓄電裝置電連接的充電接收 器及至少一個磁芯。該充電發生器包括第一線圈，該充電 接收器包括第二線圈及與該第二線圈電連接且對該蓄電裝 置充電的電流轉換及充電模組，該第—線圈與該第二線圈 ，、中個、線圈套設該至少一個磁芯，該第二線圈與該第 4 201037939 一線圈輕合。 與先前技術相比’上述的充電系統，在需對電子裝置 .充電時，藉由第一線圈及第二線圈耦合而在第二線圈產生 . 的感應電流給電子裝置進行無線充電，給工作和生活帶來 便利且该至少一個磁芯可加強電磁感應強度從而提高充電 效率。 【實施方式】 為了對本發明的充電糸統做進一步的說明，舉以下實 Ο施方式並配合附圖進行詳細說明。本發明提供的實施方式 中，所述電子裝置以手機為例進行說明。 S青參閱圖1-3,為本發明實施方式提供的用於給電子裝 置200充電的充電系統100。所述電子裝置2〇〇包括一個蓄 電裝置21及一個蓋體22。該蓋體22開設有第一通孔22a。 該充電糸統100包括一個充電發生器和一個充電接 收器20。該充電接收器20設置在所述電子裝置200内且貼 ❹a又於蓋體22 ’如此可以保持電子裝置200外部美觀。該充 電發生器10用於與交流電源（圖未示）電連接，以產生用於 對電子裝置200進行無線充電的變化感應電磁場。 請結合圖4，充電發生器1〇包括外殼n〇，第一磁芯 120、第一線圈130及四個磁鐵140。該外殼11〇採用塑膠 製成，其設有凹陷部110a，該凹陷部il〇a開設有第二通孔 110b。該第一磁芯120可選自鐵、鎳等材料，其包括本體 120a、及與該本體120a大致垂直延伸的凸柱i2〇b。該凸柱 120b設置於該本體120a的中心，該凸柱120b藉由該第二 5 201037939 通孔110b從該凹陷部ll〇a中突出，如圖2及3所示。 該第一線圈130套設於第一磁芯120的本體120a。第 • 一線圈130包括多匝繞線且該多匝繞線位於同一平面，該 •平面與該本體120a所在的平面平行，如此可降低充電發生 器10的高度。該四個磁鐵貼於外殼110的内表面上， 且四個磁鐵140兩兩呈斜對角固設在第一線圈130及第一 磁芯120的周圍。 該充電接收器20包括第二磁芯210、第二線圈220、 v與該第二線圈220電連接且對該蓄電裝置21充電的電流轉 換及充電模組230、四個鐵塊240。該第二磁芯210固定在 第一通孔22a内且第二磁芯210的一端面與蓋體22的外表 面持平且從蓋體22的外表面暴露出來，如此設置，可使凸 桎120b藉由該第二通孔ii〇b從該凹陷部ll〇a中突出以在 充電過程中與第二磁芯210相接觸。該蓋體22與該第二磁 芯210可採用雙注射模塑（Double Shot Molding)方法成 〇型，其使電子裝置200與第二磁芯210的裝配性更好。 該第二線圈220套設第二磁芯210，如此可以使第一線 圈130產生的感應電磁場更好地被充電接收器20接收並引 起第二線圈220的感應電流。第二磁芯210可選自鐵、鎳 等材料。第二線圈220包括多匝繞線且該多匝繞線位於同 一平面。第二線圈220的兩端分別與該電流轉換及充電模 Μ 230的輸入端相連，電流轉換及充電模組230的輸出端 分別與蓄電裝置21的正負極電連接。電流轉換及充電模組 230可將第二線圈22〇的感應電流轉換為直流電並為該蓄 6 201037939 電裝置21充電，如電流轉換及充電模組mo可包括整流電 路及充電電路荨本技術領域内常用電路以實現對蓄電裝置 21充電。本實施方式中，第二線圈22〇與電流轉換及充電 模組230的電連接’及電流轉換及充電模組23〇與蓄電裝 置21的電連接採用柔性電路板25〇來實現，更有利於電子 裝置200的小型化。 該四個鐵塊240兩兩呈斜對角固設在第二線圈220的 周圍。當需對電子裝置200充電時，充電發生器1〇上的四 個磁鐵140可對該四個鐵塊240進行吸引，從而使第一磁 芯120與第二磁芯210快速對準並達成良好接觸，為充電 的快速定位及高效提供便利。 可以理解，磁鐵140與鐵塊240的數目及位置設置不 應限於本實施方式’可視具體要求採用更多或更少數目的 磁鐵140及鐵塊240,或採用其他排布方式排布磁鐵14〇 及鐵塊240。 ❹ 本實施方式的充電系統100,在需對電子裝置200充電 時，藉由第一線圈120與第二線圈22〇耦合而在第二線圈 220產生的感應電流給電子裝置2〇〇進行無線充電，給工作 和生活帶來便利且該兩個磁芯12〇, 21〇可加強電磁感應強 度從而提商充電效率。另外，由於在充電過程中，第一磁 忑120與第二磁芯210接觸，因此，可大大增加電磁轉化 的效率，減少了充電耗時及耗能。 可以理解的，本發明還包括其他實施方式的充電系 統，如可將第二磁芯省略及電子裝置的蓋體不開設通孔， 7 201037939 或將第一磁芯省略及充電發生器外殼不開設通孔等，口 第一線圈及第二線圈耦合，便可對該電子裝置進行無 % ° …、、 綜上所述，本發明確已符合發明專利之要件，遂依法 提出專利申請。惟，以上所述者僅為本發明之較佳實施方 式，自不能以此限制本案之申請專利範圍。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。201037939 VI. Description of the Invention: TECHNICAL FIELD OF THE INVENTION The present invention relates to a charging technique, and more particularly to a wireless charging system. [Prior Art] With the rapid development of communication technologies, more and more people use various portable electronic devices such as laptops and mobile phones at work and in life. In order to improve portability, rechargeable batteries are often used to power portable electronic devices. When the portable electrical device needs to be charged, one can charge it with a charger. The previous charger generally needs to connect the power supply and the portable electronic device to charge the rechargeable battery through the power cable, which is inconvenient to operate. In addition, portable electronic devices generally require a specific, corresponding charger. In this way, the user needs to carry the charger with him or her. Otherwise, there will be a situation in which the rechargeable battery cannot be found in time due to exhaustion of the battery, which brings great inconvenience to work and life. SUMMARY OF THE INVENTION ° (4) This must provide a charging system that can be wirelessly charged. A charging system for charging an electronic device, the electronic device comprising a power storage device. The charging system includes a charge generator for electrically connecting to an AC power source, a charge receiver electrically coupled to the power storage device, and at least one magnetic core. The charging generator includes a first coil, and the charging receiver includes a second coil and a current conversion and charging module electrically connected to the second coil and charging the power storage device, the first coil and the second coil, The middle coil is sleeved with the at least one magnetic core, and the second coil is lightly coupled with the fourth 201037939 coil. Compared with the prior art, in the above charging system, when charging the electronic device, the induced current generated in the second coil by the coupling of the first coil and the second coil wirelessly charges the electronic device to work and Life brings convenience and the at least one magnetic core can enhance the electromagnetic induction strength to improve the charging efficiency. [Embodiment] In order to further explain the charging system of the present invention, the following embodiments will be described in detail with reference to the accompanying drawings. In the embodiment provided by the present invention, the electronic device is described by taking a mobile phone as an example. Referring to Figures 1-3, a charging system 100 for charging an electronic device 200 is provided in accordance with an embodiment of the present invention. The electronic device 2 includes a power storage device 21 and a cover 22. The cover 22 is provided with a first through hole 22a. The charging system 100 includes a charging generator and a charging receiver 20. The charging receiver 20 is disposed in the electronic device 200 and the sticker a and the cover 22' can maintain the external appearance of the electronic device 200. The charging generator 10 is for electrically connecting to an alternating current source (not shown) to generate a varying induced electromagnetic field for wirelessly charging the electronic device 200. Referring to FIG. 4, the charge generator 1 includes a housing n, a first core 120, a first coil 130, and four magnets 140. The outer casing 11 is made of plastic and is provided with a recessed portion 110a, and the recessed portion il〇a is provided with a second through hole 110b. The first core 120 may be selected from the group consisting of iron, nickel, etc., and includes a body 120a and a stud i2b extending substantially perpendicular to the body 120a. The protrusion 120b is disposed at the center of the body 120a. The protrusion 120b protrudes from the recess 〇a by the second 5201037939 through hole 110b, as shown in FIGS. 2 and 3. The first coil 130 is sleeved on the body 120a of the first magnetic core 120. The first coil 130 includes a plurality of turns and the plurality of turns are located in the same plane, the plane being parallel to the plane in which the body 120a is located, thus reducing the height of the charge generator 10. The four magnets are attached to the inner surface of the outer casing 110, and the four magnets 140 are fixed diagonally opposite to the first coil 130 and the first magnetic core 120. The charging receiver 20 includes a second core 210, a second coil 220, and a current conversion and charging module 230 electrically connected to the second coil 220 and charging the power storage device 21, and four iron blocks 240. The second magnetic core 210 is fixed in the first through hole 22a and an end surface of the second magnetic core 210 is flat with the outer surface of the cover 22 and exposed from the outer surface of the cover 22, so that the tenon 120b can be disposed. The second through hole ii 〇b protrudes from the recess portion 11a to contact the second core 210 during charging. The cover 22 and the second core 210 can be formed into a 〇 type by a double injection molding method, which makes the assembly of the electronic device 200 and the second core 210 better. The second coil 220 is sleeved with the second core 210 such that the induced electromagnetic field generated by the first coil 130 is better received by the charging receiver 20 and induces an induced current of the second coil 220. The second core 210 may be selected from materials such as iron and nickel. The second coil 220 includes a plurality of turns and the plurality of turns are located in the same plane. The two ends of the second coil 220 are respectively connected to the input terminals of the current conversion and charging module 230, and the output terminals of the current conversion and charging module 230 are electrically connected to the positive and negative terminals of the power storage device 21, respectively. The current conversion and charging module 230 can convert the induced current of the second coil 22 为 into a direct current and charge the battery device 21 201037939, and the current conversion and charging module mo can include a rectifier circuit and a charging circuit. A circuit is commonly used to charge the power storage device 21. In the present embodiment, the electrical connection between the second coil 22 and the current conversion and charging module 230 and the electrical connection between the current conversion and charging module 23 and the power storage device 21 are implemented by using a flexible circuit board 25 ,, which is more advantageous. The electronic device 200 is miniaturized. The four iron blocks 240 are fixed diagonally opposite to the second coil 220. When the electronic device 200 needs to be charged, the four magnets 140 on the charging generator 1 can attract the four iron blocks 240, thereby quickly aligning the first core 120 with the second core 210 and achieving good results. Contact for quick positioning and efficient charging. It can be understood that the number and position setting of the magnet 140 and the iron block 240 should not be limited to the embodiment of the present invention. A more or less number of magnets 140 and iron blocks 240 may be used depending on the specific requirements, or the magnets 14 may be arranged in other arrangements. Iron block 240. In the charging system 100 of the present embodiment, when the electronic device 200 needs to be charged, the induced current generated in the second coil 220 by the first coil 120 and the second coil 22 is wirelessly charged to the electronic device 2 It brings convenience to work and life and the two magnetic cores 12〇, 21〇 can enhance the electromagnetic induction intensity to improve the charging efficiency. In addition, since the first magnetic pole 120 is in contact with the second magnetic core 210 during charging, the efficiency of electromagnetic conversion can be greatly increased, and the charging time and energy consumption can be reduced. It can be understood that the present invention further includes a charging system of other embodiments, such as the second core can be omitted and the cover of the electronic device is not provided with a through hole, 7 201037939 or the first core is omitted and the charging generator housing is not opened. Through holes, etc., the first coil and the second coil of the mouth are coupled, and the electronic device can be subjected to no %°, and, in summary, the present invention has indeed met the requirements of the invention patent, and the patent application is filed according to law. However, the above description is only a preferred embodiment of the present invention, and it is not possible to limit the scope of the patent application of the present invention. Equivalent modifications or variations made by persons skilled in the art in light of the present invention are intended to be included within the scope of the following claims.
8 201037939 【圖式簡單說明】 圖1為本發明實施方式提供的充電系統的立體示意圖。 '圖2為圖1中的充電系統的部分分解示意圖。 '圖3為圖1中的充電系統沿III-III線的部分截面圖。 圖4為圖1中的充電糸統的仰視圖。 【主要元件符號說明】 充電系統 100 電子裝置 200 蓄電裝置 21 蓋體 22 第一通孔 22a 充電發生器 10 充電接收器 20 外殼 110 第一磁芯 120 第一線圈 130 磁鐵 140 凹陷部 110a 第二通孔 110b 本體 120a 凸柱 120b 第二磁芯 210 第二線圈 220 電流轉換及充電模組 230 鐵塊 240 柔性電路板 250 ❹ 98 201037939 BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a charging system according to an embodiment of the present invention. Figure 2 is a partially exploded perspective view of the charging system of Figure 1. Figure 3 is a partial cross-sectional view of the charging system of Figure 1 taken along line III-III. 4 is a bottom view of the charging system of FIG. 1. [Main component symbol description] Charging system 100 Electronic device 200 Power storage device 21 Cover 22 First through hole 22a Charging generator 10 Charging receiver 20 Housing 110 First magnetic core 120 First coil 130 Magnet 140 Recessed portion 110a Second pass Hole 110b body 120a stud 120b second core 210 second coil 220 current conversion and charging module 230 iron block 240 flexible circuit board 250 ❹ 9