201210167 六、發明說明： 【發明所屬之技術領域】 本發明係關於-種電力傳輸裝置及電力傳輸系統，特別係關 於-種利用無線的方式進行電力傳輸的無線電力傳輸裝置及無線 電力傳輸系統。 【先前技術】 現今的電腦的游標控制之輸入裝置主要為滑鼠與數位板 • (Tablet)，滑鼠與數位板因其内部結構設計及原理的不同所以可 應用的範圍亦不同。 數位板為一種電磁感應電路裝置，通常包括一電磁筆 (electromagnetic pen)與一板體。由於電磁筆的筆内具有震盪電 路’虽電磁筆的筆尖碰觸板體時，震i電路所發射的電磁波信號 頻率隨之雜。板體財央區麵域應迴路，錢迴路具有以 又、¥轴_方式等距制之天線迴路。這独P㈣式排列的天線 籲k路之主要用途僅在於接收專用的電磁筆所發射的電磁波訊號， 並利用處理單元將所接收到的電磁波訊號加以分析處理，以獲得 電磁筆於板體上的絕對座標。 習知電磁筆的電力來源可分為二種’―種為電磁筆筆内安襄 電池以獲得電源而可正常運作，另一種為電磁筆利用無線的 接收板體所發射出來的信號，並將此錢轉換成電能以獲得麵 而可正常運作，而習知板體則藉由與電腦連接進崎得電源。其 中，當電磁筆利用接收板體所發射出來的信號加以轉換而獲得電 201210167 源時，板體除了包括上述用以判斷電磁筆於板體上絕對座標的天 線迴路外，尚需增加可用以發射頻率信號予電磁筆的天線迴路。 但目前用以發射頻率信舒f磁筆的天線迴路之佈線方式存在有 於大面積的板體時，電磁筆無法接收足夠的信號強度，進而使電 磁筆於板體上難以正常運作的問題。 【發明内容】 鑒於以上問題，本發明係提供一種無線電力傳輸裝置，藉以 解決習知電磁筆於板體上的某些位置難以正常運作的問題。 本發明所揭露之無線電力傳輸裝置的一實施例中，無線電力❿ 傳輸裝置包括基板、第-天線迴路、多個匹配電容及第二天線迴 其中，基板包括工作區’第二天線迴路包括多個次天線迴路， 母一個次天線迴路會分別與每一匹配電容相互並聯，且次天線迴 路的數量可與但不限等祕配電容的數量。第—天線迴路佈滿於 工作區’並且用以發射頻率信號。每一匹配電容與每一個次天線 迴路的__可使每—個次天線鱗細率錢產生共振，進 而使頻率信號的強度增加。 搴 依據本發崎揭露之無線電力傳輸裝置，可藉由第一天線迴 s爲作區以使得無線電力傳輸裝置於工作區内皆可穩定地 提供頻率域，不打倾面献小的料。再者，透過次天線 迴路與匹配電容_接關係，可加強第一天線迴路所發射的鮮 信號的強度。 本發明所揭露之的-實施例中，無線電力傳輸系統包括無線 4 201210167 電力傳輸裝置及無線電力接收裝置。無線電力傳輸裝置包括基 板、第一天線迴路、多個匹配電容及第二天線迴路，第二天線迴 路包括多個次天線迴路，每一個次天線迴路會分別與匹配電容相 互並聯。第一天線迴路佈滿於基板上並發射頻率信號。每一個次 天線迴路與每一匹配電容的耦接關係可與頻率信號產生共振，進 而使頻率信號的強度增加。無線電力接收裝置會接收到強度增加 的頻率信號’並發射出感應信號。 • 另一實施例中，無線電力接收裝置包括感應線圈與感應電 路，感應線圈接收頻率信號轉換成電能，電能傳送至感應電路， 使感應電路產生並發射感應信號。無線電力傳輸裝置另包括處理 單元，處理單元與第二天線迴路输，第二天線迴路接收感應信 號並傳輸至處理單元。 依據本發明所揭露之無線電力傳輸系統，無線電力傳輸裝置 可藉由第-天線鱗佈滿工魏與次天線迴路與匹配電容的_ 關係’使得無論工作區面積的大小，無線電力傳輸裝置皆可提供 足夠的能量給在工作區⑽無線電力接收裝置，進而使得無線電 力接收裝置可免裝電池即可正常運作。 〃以上關於本發明的内容說明及以下之實施方式的說明係用以 示範及解縣發_輯朗理，並且提縣發 圍更進-步的解釋。 f實施方式】 請參照「第1圖」， 係為依據本發明之鱗電力傳輸系統一實 201210167 施例的電路方塊示意圖。無線電力傳輸系統1〇〇包括無線電力傳 輸裝置102及無線電力接收裝置1〇4。在本實施例中，無線電力傳 輸裝置102可為但不限於數位板’無線電力接收裝置1〇4可為但 不限於免電池式無線數位筆。其中，無線電力傳輸裝置1〇2可包 括第一天線迴路108、第二天線迴路112及處理單元118，第一天 線迴路108及第二天線迴路112與處理單元118麵接。無線電力 接收裝置104可包括感應線圈115與感應電路116，感應線圈出 與感應電路II6輕接。在本實施例中，感應線圈出的數量為二 個，但本實施例並咖以限定本發明，可依據實際需求進行調整。· 請參照「第2圖」，係為依據「第1圖」之第-天線迴路的一 實施例佈局示,。在本實施例巾，第—天線迴路係以沿X 軸方向（如圖中方向x所示）佈線為例，實際上第—天線迴路⑽ 係分別於X軸方向及Y轴方㈣有佈線，其中，χ轴與γ轴互相 垂直。從「第2圖」圖中可知第一天線迴路108係沿X軸方向（如 方向X所示）規則性地佈滿於玉作區1G7上。更詳細的說，第一 天線迴路108係為制多個迴圈沿χ軸方向（如方向χ所示）以· 特疋規則排列且重疊的方式配置於基板1〇6上，且每個迴圈間係 彼此依序相互連接’使得第一天線迴路108的佈線可沿X軸方向 (如方向X所示）以特定規則平均地佈滿工作區1〇7，但本實施 例並非用以限定本發明。也就是說，第_天線迴路⑽亦可沿Υ 軸（未標示）規職地佈滿於王倾1()卜由於第-天線迴路_ 的佈線可沿X軸方向（如方向χ所示）以特定規則平均地佈滿工 201210167 作區107’使得無線電力接收裝置⑽於工作謂上方的任一位 置皆可接收到頻率信號Fs。 —請參照％圖」，係為依據「第！圖」之第二天線迴路的-實施例佈局不意圖。無線電力傳輸裝置1犯包括八個匹配電容 第天線鹏112、X輪多工器陣列電路II9及Y軸多工器 陣列電路120。第二天線迴路112包括人個次天線迴路114，每一 個次天線迴路m分別與每—匹崎容⑽相互並聯。本實施例 中’匹配電容110的數量與次天線迴路m的數量例舉為八個， 但此例舉的數量只如於清楚·實施的方法，並_以限定本 發明。其中’四個次天線迴路Π4沿X軸方向（如圖中方向以 丁）規職排列且沿X軸方向規則性排列的四個次天線迴路1 μ 之端接地，另-端與Χ轴多工器陣列電路ιΐ9輕接。另外四個 次天線迴路114沿Υ轴方向（如圖中方向Υ所示）規則性排列， 且沿Υ轴方向規則性排列的四次天線迴路114之-端接地，另一 端與Υ軸多工n陣列電路12G祕。匹配電容⑽的數量可與次 天線迴路114的數量相同。 請繼續參照「第1圖」，第-天線迴路⑽佈滿於功區107 (如第2圖」所不）並發射頻率信號巧。由於頻率信號Fs所具 有的強度不足以提供無線電力接收I置1〇4運作時所需的能量， 所以藉由每—匹配電容㈣與每—個次天線迴路叫的關係 (如「第3圖」所示）’可使每一個次天線迴路1Μ與頻率信號Fs 產生共振，進喊解域Fs_度增加，以提供足觸能量使 201210167 無線電力接收裝置104運作。無線電力接收裝置1〇4接收到強度 增加的頻率信號迖，使感應線圈115接收頻率信號Fs轉換成電能 P，電此P傳送至感應電路116，使感應電路116產生並發射感應 信號Rs。 其中，每一個次天線迴路114係用以接收無線電力接收裝置 104所發射的感應信號艮，並傳輸至處理單元丨18，進而使處理單 疋118接收並處理感應信號&，以判斷無線電力接收裝置〗〇4於 •…線電力傳輸裝置1〇4上方的相對位置。其中，感應信號氏的頻 率與頻率彳§號？3不同，感應信號&的頻率可小於頻率信號。，以® 避免感應彳§號札與頻率信號迖同時傳輸而形成干擾。 依據本發明所揭露之無線電力傳輸裝置及無線電力傳輸系 統’-方面可藉由第—天線迴路佈滿卫作㉞敎提供頻率信號 給在工作區内的無線電力接收裝置。另一方面可藉由次天線迴路 與匹配電容_接關係，以補足第一天線迴路所發射的頻率信號 之強度的不足，使得無線電力傳輸裝置可提供足_能量給在工 作區内的無線電力接收裝置，進而使得無線電力接收裝置可免裝 電池即可正常運作。 〜雖然本發明以前賴較佳實施例揭露如上，然其並非用以限 疋本發明’任何熟習相像技藝者，在不脫離本發明賊神和範圍 當可作些許的更動及轉，因此本發_專娜護範圍須視 本說明書所附的申請專利範圍所界定者為準。 【圖式簡單說明】 8 201210167 第1圖係為依據本發明之 方塊示意圖。 傳輪系'统一實施例的電路 第2圖係為依據第】圖之第 圖。 唂的1施例佈局示意 第3圖係為依據第1圖之第二天線迴路的一 圖。 唂的一貫施例佈局示意201210167 VI. Description of the Invention: TECHNICAL FIELD The present invention relates to a power transmission device and a power transmission system, and more particularly to a wireless power transmission device and a wireless power transmission system that perform power transmission by wireless. [Prior Art] Today's computer cursor control input devices are mainly mouse and tablet • (Tablet), the mouse and the tablet can be applied in different scopes due to their internal structural design and principle. The tablet is an electromagnetic induction circuit device, and generally includes an electromagnetic pen and a plate. Since the pen of the electromagnetic pen has an oscillating circuit. Although the tip of the electromagnetic pen touches the plate body, the frequency of the electromagnetic wave signal emitted by the vibration i circuit is complicated. The area of the financial district of the board should be looped, and the money loop has an antenna loop that is equidistant from the ¥ axis. The main purpose of this unique P (four) type antenna antenna is to receive the electromagnetic wave signal emitted by the dedicated electromagnetic pen, and use the processing unit to analyze and process the received electromagnetic wave signal to obtain the electromagnetic pen on the board. Absolute coordinates. The power source of the conventional electromagnetic pen can be divided into two types: the electromagnetic pen can be used for the power supply to operate normally, and the other is the signal emitted by the electromagnetic pen using the wireless receiving plate body, and The money is converted into electricity to get the surface to work properly, while the conventional board is connected to the power supply by connecting to the computer. Wherein, when the electromagnetic pen is converted by the signal emitted by the receiving plate body to obtain the electric source 201210167, the board body needs to be increased to be used in addition to the above-mentioned antenna circuit for judging the absolute coordinate of the electromagnetic pen on the board body. The frequency signal is applied to the antenna loop of the electromagnetic pen. However, at present, the wiring method of the antenna loop for transmitting the frequency signal is such that when the board has a large area, the electromagnetic pen cannot receive sufficient signal strength, and thus the electromagnetic pen is difficult to operate normally on the board. SUMMARY OF THE INVENTION In view of the above problems, the present invention provides a wireless power transmission device for solving the problem that the conventional electromagnetic pen is difficult to operate normally at certain positions on the board. In an embodiment of the wireless power transmission device of the present invention, the wireless power transmission device includes a substrate, a first antenna loop, a plurality of matching capacitors, and a second antenna, wherein the substrate includes a working area 'second antenna loop Including a plurality of secondary antenna loops, the primary and secondary antenna loops are respectively connected in parallel with each matching capacitor, and the number of secondary antenna loops can be equal to, but not limited to, the number of secret capacitors. The first-antenna loop is filled with the working area and is used to transmit a frequency signal. Each matching capacitor and __ of each sub-antenna loop can resonate each of the antenna scales, thereby increasing the strength of the frequency signal.搴 According to the wireless power transmission device disclosed by the present invention, the first antenna can be used as a region to enable the wireless power transmission device to stably provide the frequency domain in the working area without . Furthermore, the strength of the fresh signal emitted by the first antenna loop can be enhanced by the secondary antenna loop and the matching capacitor_connection relationship. In an embodiment of the present invention, the wireless power transmission system includes a wireless 4 201210167 power transmission device and a wireless power receiving device. The wireless power transmission device comprises a substrate, a first antenna loop, a plurality of matching capacitors and a second antenna loop, and the second antenna loop comprises a plurality of secondary antenna loops, each of the secondary antenna loops being respectively connected in parallel with the matching capacitors. The first antenna loop is overlaid on the substrate and transmits a frequency signal. The coupling relationship between each sub-antenna loop and each matching capacitor can resonate with the frequency signal, thereby increasing the strength of the frequency signal. The wireless power receiving device receives the increased frequency signal ' and transmits the induced signal. In another embodiment, the wireless power receiving device includes an induction coil and an inductive circuit. The induction coil receives the frequency signal and converts it into electrical energy, and the electrical energy is transmitted to the sensing circuit to cause the sensing circuit to generate and emit the sensing signal. The wireless power transmission device further includes a processing unit, the processing unit is coupled to the second antenna loop, and the second antenna loop receives the sensing signal and transmits the signal to the processing unit. According to the wireless power transmission system disclosed in the present invention, the wireless power transmission device can complete the _ relationship between the Wei and the secondary antenna loops and the matching capacitor by the first antenna scale, so that the wireless power transmission device can be used regardless of the size of the work area. Sufficient energy can be supplied to the wireless power receiving device in the working area (10), so that the wireless power receiving device can operate normally without the battery. The description of the content of the present invention and the following embodiments are used to demonstrate and explain the county's development, and to explain the progress of the county. f. Embodiments Referring to Fig. 1, a circuit block diagram of a scale power transmission system according to the present invention is shown in 201210167. The wireless power transmission system 1A includes a wireless power transmission device 102 and a wireless power receiving device 1〇4. In the present embodiment, the wireless power transmitting device 102 can be, but is not limited to, a tablet. The wireless power receiving device 1〇4 can be, but is not limited to, a battery-free wireless digital pen. The wireless power transmission device 1〇2 may include a first antenna circuit 108, a second antenna circuit 112, and a processing unit 118. The first antenna circuit 108 and the second antenna circuit 112 are in contact with the processing unit 118. The wireless power receiving device 104 can include an inductive coil 115 and a sensing circuit 116, and the inductive coil is connected to the inductive circuit II6. In the present embodiment, the number of induction coils is two, but the embodiment is limited to the present invention and can be adjusted according to actual needs. - Refer to "Figure 2" for a layout of an embodiment of the first antenna loop according to "1". In the embodiment of the present invention, the first antenna loop is exemplified by the wiring along the X-axis direction (shown by the direction x in the figure). Actually, the first antenna loop (10) has wirings in the X-axis direction and the Y-axis side (4), respectively. Wherein, the x-axis and the γ-axis are perpendicular to each other. It can be seen from the "Fig. 2" diagram that the first antenna circuit 108 is regularly covered in the jade area 1G7 in the X-axis direction (as indicated by the direction X). In more detail, the first antenna circuit 108 is disposed on the substrate 1〇6 in such a manner that a plurality of loops are arranged in the x-axis direction (as indicated by the direction χ) in a regular arrangement and overlapped, and each The loops are sequentially connected to each other' such that the wiring of the first antenna loop 108 can evenly fill the working area 1〇7 in a specific rule along the X-axis direction (as indicated by the direction X), but this embodiment is not used. To limit the invention. That is to say, the _ antenna loop (10) can also be regularly spread along the Υ axis (not shown) to the king tilt 1 () because the wiring of the first antenna loop _ can be along the X axis direction (as indicated by the direction χ) The 201210167 zone 107' is evenly spread by a specific rule so that the wireless power receiving device (10) can receive the frequency signal Fs at any position above the work. - Please refer to the % map", which is based on the second antenna loop of the "第!图" - the layout of the embodiment is not intended. The wireless power transmission device 1 includes eight matching capacitors, an antenna antenna 112, an X-ray multiplexer array circuit II9, and a Y-axis multiplexer array circuit 120. The second antenna loop 112 includes a human secondary antenna loop 114, each of which is in parallel with each other (10). The number of the matching capacitors 110 and the number of the sub-antenna loops m in the present embodiment are exemplified by eight, but the number of the examples is only as described in the clear and implemented method, and the present invention is limited. The four sub-antenna circuits Π4 are arranged in the X-axis direction (in the direction of the figure), and the four sub-antenna circuits regularly arranged along the X-axis direction are grounded at the end of 1 μ, and the other ends are more than the x-axis. The tool array circuit ιΐ9 is lightly connected. The other four sub-antenna circuits 114 are regularly arranged along the x-axis direction (shown as the direction Υ in the figure), and the four-terminal antenna circuit 114 regularly arranged along the x-axis direction is grounded at one end, and the other end is multiplexed with the x-axis. n array circuit 12G secret. The number of matching capacitors (10) can be the same as the number of secondary antenna loops 114. Please continue to refer to "Figure 1", the first antenna loop (10) is covered in the work area 107 (as shown in Figure 2) and the frequency signal is transmitted. Since the strength of the frequency signal Fs is insufficient to provide the energy required for the wireless power receiving I to operate in the first 4, the relationship between each of the matching capacitors (four) and each of the antenna loops is called (Fig. 3). "shown" can cause each secondary antenna loop 1 共振 to resonate with the frequency signal Fs, and the spoofing domain Fs_degree is increased to provide foot touch energy to operate the 201210167 wireless power receiving device 104. The wireless power receiving device 110 receives the frequency signal 强度 of increased intensity, causes the receiving coil 115 to receive the frequency signal Fs into the power P, and the P is transmitted to the sensing circuit 116, causing the sensing circuit 116 to generate and emit the sensing signal Rs. Each of the secondary antenna circuits 114 is configured to receive the sensing signal transmitted by the wireless power receiving device 104 and transmit it to the processing unit 丨18, so that the processing unit 118 receives and processes the sensing signal & The receiving device is located at a relative position above the line power transmission device 1〇4. Among them, the frequency and frequency of the sensing signal 彳§? 3 different, the frequency of the sensing signal & can be less than the frequency signal. To avoid interference caused by the simultaneous transmission of the sensing 彳§号 and the frequency signal迖. According to the wireless power transmission device and the wireless power transmission system disclosed in the present invention, the frequency signal can be supplied to the wireless power receiving device in the work area by the first antenna circuit. On the other hand, the secondary antenna loop and the matching capacitor_connection relationship can complement the strength of the frequency signal transmitted by the first antenna loop, so that the wireless power transmission device can provide sufficient energy to the wireless in the working area. The power receiving device, in turn, enables the wireless power receiving device to operate normally without a battery. Although the present invention has been disclosed above in the preferred embodiment, it is not intended to limit the invention to any skilled artisan, and may make some changes and changes without departing from the scope and scope of the present invention. _ The scope of the Guardian shall be subject to the definition of the scope of the patent application attached to this manual. BRIEF DESCRIPTION OF THE DRAWINGS 8 201210167 The first drawing is a block diagram of the present invention. The circuit of the unified embodiment of the transmission system Fig. 2 is the first diagram according to the figure. Layout of the first embodiment of Fig. 1 is a diagram of the second antenna loop according to Fig. 1.一贯's consistent example layout
【主要元件符號說明】 100 102 104 106 107 108 110 112 114 115 116 118 119 120 Fs 無線電力傳輪系統 無線電力傳輪裝置 無線電力接收裝置 基板 工作區 第一天線迴路 匹配電容 第二天線迴路 次天線迴路 感應線圈 感應電路 處理單元 X軸多工器陣列電路 Y軸多工器陣列電路 頻率信號 9 201210167[Main component symbol description] 100 102 104 106 107 108 110 112 114 115 116 118 119 120 Fs wireless power transmission system wireless power transmission device wireless power receiving device substrate working area first antenna loop matching capacitor second antenna loop Sub-antenna loop induction coil induction circuit processing unit X-axis multiplexer array circuit Y-axis multiplexer array circuit frequency signal 9 201210167
Rs 感應信號 P 電能 X、Y 方向Rs sensing signal P electric energy X, Y direction