200917618 九、發明說明： 【發明所屬之技術領域】 本發明係有關於一種充電裝置，特別是有關於一種等 電位的充電裝置。 【先前技猢·】 隨著醫療技術的進步，各種量測人體生理訊號的儀器 以及裝置越來越普及，尤其是具有輕巧、可攜式以及容易 操作之功能的生理監控裝置。其中，這些生理監控裝置所 使用的電源大多為可重複充電之鋰電池（Lithium Ion Battery )。一般而言，對鋰電池進行充電時，需要使用到 專門為鋰電池設計的充電裝置，以避免過充電或是過放電 而導致電池膨脹或漏液等異常現象。 第1A圖以及第1B圖分別係顯示揭露於美國專利第 5,949,218號以及第5,956,241號中習知的充電裝置。如第 1A圖所顯示，充電管理裝置100係使用控制器24來偵測 電壓的大小，並透過場效電晶體（Field Effect Transistor， FET) 28、32來限制並控制充電的範圍。如第1B圖所顯 不’充電裝置15 0係使用電晶體Μ1-M6來設定電流的大小 以控制充電時的電壓位準，因此能夠對複數個電池同時進 行等電位充電。 對部分生理監控裝置而言，當模組封裝完成時，其電 池亦被埋置於模組内而無法拆裝。此外，生理監控裝置亦 0963-A22220TWF(N2)；P27960014TW；nikey 6 200917618 可減少模組對外的接點（例 點），以隊你兄冤日子所而要的電源接 定二完困難度並有效提高整體模組的稃 疋度。因此，需要一種新的充 队 置内的鐘電池進行充電。電裝置月b對上述生理監控裝 【發明内容】 本發明提供一種充雷梦署，h . -第-輪出端以及一第二輸出匕·一充電電路’包括 =述第-輸出端以及上述第二輸出端之間提供一第一既 位ί出：第—二極體串，_於上述第二輸出端以及 體：=r’f有以串聯方式連接之複數第-二極 述—極體係以由上述第二輸出端至上述第 ==通方向而電性連接，並於上述第二輸出 7充電模組，—第-輸出二電:第差三:： :之：中一弟一輸入端、一第二輸入端以及-電池模 、〃中上述電池模組包括一充電電池。 置，=’.13供'種充電裝置’適用於生理監控裝 出端Ϊ. 路，包括一第一輪出端以及一第二輸 二二根據一電源信號而於上述第-輸出端以及上述 -輪出％之間提供—第—既定電仅差；— 第二輸出端以及一第三輪出端之間具： 係：=复數第一二極體’其中上述第-二極體 述弟一輸出端至上述第三輸出端之順向導通方向 〇963-A2222〇TWF(N2);P27960014TW；nikey 7 200917618 而電性連接，並於上述第二輸出端以及上述第三輸出端之 間提供一第二既定電位差；以及一待充電模組，耦接於上 述第一輸出端以及上述第三輸出端之間，包括一第一輸入 端、一第二輸入端、一生理監控裝置以及一電池模組，其 中上述電池模組包括一充電電池，以及上述生理監控裝置 係經由上述第一輸入端以及上述第二輸入端耦接於一待測 生物體，用以量測上述待測生物體的一生理訊號。 【實施方式】 為讓本發明之上述和其他目的、特徵、和優點能更明 顯易懂，下文特舉出較佳實施例，並配合所附圖式，作詳 細說明如下： 貫施例. 第2圖係顯示根據本發明一實施例所述之充電裝置 200。充電裝置200包括充電電路210、二極體串220以及 待充電模組230。充電電路210根據電源信號Vin而於輸 出端Out!以及輸出端Out2之間提供電位差Δν】。二極體 串220耦接於輸出端Out2以及輸出端Out3之間，具有以串 聯方式連接之複數二極體，其中二極體（Dn、Di2..Din) 係以由輸出端〇ut2至輸出端Out3之順向導通方向而電性 連接，使得輸出端〇ut2以及輸出端Out3之間具有電位差 △ V2。此外，待充電模組230係分別經由輸入端In!以及 輸入端In2耦接於輸出端Outi以及輸出端Out3以進行充 0963-A22220TWF(N2)；P27960014TW；nikey 8 200917618 電。其中，待充電模組230包括具有充電電池的電池模組 240以及主裝置250。在一實施例中，主裝置250為生理監 控裝置，可經由輸入端IiM以及輸入端In2耦接於待測生物 體，用以量測待測生物體的生理訊號，例如：心電圖 (Electrocardiography，ECG)等。再者，主裝置 250 的操 作電壓係由電池模組240所提供，以及二極體串220内二 極體的數量係由電池模組240所決定。在本發明一實施例 中，電池模組240以及主裝置250係密封在待充電模組230 的殼體内。 第3圖係顯示根據本發明一實施例所述之電池模組 300。電池模組300包括充電電池310以及四個二極體 D2-D5，其中充電電池310的正極（以符號’，+’，表示）以 及負極（以符號表示）分別耦接於主裝置250的操作電 壓VDD以及接地端VSS。二極體D2係以順向導通的方向 從輸入端丨⑴耦接至充電電池310的正極，而二極體D3係 以順向導通的方向從充電電池310的負極柄接至輸入端 In!。二極體D4係以順向導通的方向從輸入端In2輕接至充 電電池310的正極，而二極體D5係以順向導通的方向從 充電電池310的負極耦接至輸入端In2。 如第3圖所顯示，對電池模組300進行充電時，使用 者無須考慮正負極性的問題，即電池模組300適用於無極 性的充電方式。舉例來說，當輸入端In!上的電位大於輸 入端In2上的電位時，充電電流會依序流過輸入端In!、二 極體D2、充電電池310、二極體D5以及輸入端In2以對充 0963-A22220TWF(N2)；P27960014TW；nikey 9 200917618 電電池310進行充電。反之，當輸入端In2上的電位大於 輸入端In!上的電位時，充電電流會依序流過輸入端In2、 二極體D4、充電電池310、二極體d3以及輸入端Ιηι以對 充電電池310進行充電。其中，充電電池31〇為無記憶效 應的電池，即不必進行放電，例如：經電池。 對鋰電池進行充電。充電電 輸出端Out!以及輸出端〇ut 在一實施例中，待充電模組230為量測心電圖的模 組，其中電池模組240為無極性電池模組（即第3圖中的 電池模組300)。在待充電模組23〇中’輸入端Ιηι以及輸 入端1叱係由導電材料所組成的電極。在此實施例中，待 充電模組230可透過電極來量測心電圖，亦可透過電極來 電位差（即電位差AVi = 42V)，其中輸出端〇此的雷命200917618 IX. DESCRIPTION OF THE INVENTION: TECHNICAL FIELD The present invention relates to a charging device, and more particularly to an equipotential charging device. [Previous Technology·] With the advancement of medical technology, various instruments and devices for measuring human physiological signals have become more and more popular, especially physiological monitoring devices that are lightweight, portable, and easy to operate. Among them, most of the power sources used in these physiological monitoring devices are rechargeable lithium batteries (Lithium Ion Battery). In general, when charging a lithium battery, it is necessary to use a charging device specially designed for a lithium battery to avoid abnormal phenomena such as battery expansion or leakage due to overcharging or overdischarging. Fig. 1A and Fig. 1B show charging devices conventionally disclosed in U.S. Patent Nos. 5,949,218 and 5,956,241, respectively. As shown in Fig. 1A, the charge management device 100 uses the controller 24 to detect the magnitude of the voltage and limits and controls the range of charging through Field Effect Transistors (FETs) 28,32. As shown in Fig. 1B, the charging device 150 uses the transistors Μ1-M6 to set the magnitude of the current to control the voltage level at the time of charging. Therefore, it is possible to simultaneously charge a plurality of batteries at the same potential. For some physiological monitoring devices, when the module package is completed, the battery is also buried in the module and cannot be disassembled. In addition, the physiological monitoring device is also 0963-A22220TWF (N2); P27960014TW; nikey 6 200917618 can reduce the external contacts (cases) of the module, and the power supply required by the team is very difficult and effective. Improve the overall module's strength. Therefore, a new battery in the charging station is required for charging. Electrical apparatus month b to the above physiological monitoring device [Summary of the invention] The present invention provides a charging system, h. - the first wheel end and a second output 匕 a charging circuit 'including the first-output terminal and the above Providing a first position between the second output terminal: a first-order diode string, _ at the second output end and a body: =r'f having a plurality of first-second pole-connected in series The system is electrically connected by the second output end to the above-mentioned === direction, and is charged to the second output 7 by the second module, and the first output is the second output: the first output is the second: the third::: The input terminal, a second input terminal, and the battery module, the battery module include a rechargeable battery. Set, = '.13 for 'the kind of charging device' is suitable for the physiological monitoring and loading terminal. The road includes a first round of output and a second input and a second according to a power signal to the first output and the above - between the round out % - the first set is only poor; - between the second output and the third round::: = plural first diode 'the above-mentioned second-dipole An output end to the third output end of the forward conduction direction 〇963-A2222〇TWF(N2); P27960014TW; nikey 7 200917618 is electrically connected, and is provided between the second output end and the third output end a second predetermined potential difference; and a to-be-charged module coupled between the first output end and the third output end, including a first input end, a second input end, a physiological monitoring device, and a battery The module, wherein the battery module includes a rechargeable battery, and the physiological monitoring device is coupled to a living body to be tested via the first input end and the second input end to measure the biological body to be tested. A physiological signal. The above and other objects, features and advantages of the present invention will become more <RTIgt; 2 shows a charging device 200 according to an embodiment of the invention. The charging device 200 includes a charging circuit 210, a diode string 220, and a module 230 to be charged. The charging circuit 210 supplies a potential difference Δν between the output terminal Out! and the output terminal Out2 in accordance with the power supply signal Vin. The diode string 220 is coupled between the output terminal Out2 and the output terminal Out3, and has a plurality of diodes connected in series, wherein the diodes (Dn, Di2..Din) are connected from the output terminal 〇ut2 to The output end Out3 is electrically connected in the forward direction, so that the output terminal 〇ut2 and the output terminal Out3 have a potential difference ΔV2. In addition, the module to be charged 230 is coupled to the output terminal Outi and the output terminal Out3 via the input terminal In! and the input terminal In2, respectively, for charging 0963-A22220TWF (N2); P27960014TW; nikey 8 200917618. The module to be charged 230 includes a battery module 240 having a rechargeable battery and a main device 250. In an embodiment, the main device 250 is a physiological monitoring device, and is coupled to the living body to be tested via the input terminal IiM and the input terminal In2 for measuring the physiological signal of the living organism to be tested, for example, electrocardiography (ECG). )Wait. Moreover, the operating voltage of the main device 250 is provided by the battery module 240, and the number of diodes in the diode string 220 is determined by the battery module 240. In an embodiment of the invention, the battery module 240 and the main device 250 are sealed in the housing of the module 230 to be charged. Figure 3 is a diagram showing a battery module 300 in accordance with an embodiment of the present invention. The battery module 300 includes a rechargeable battery 310 and four diodes D2-D5, wherein the positive pole (represented by the symbol ', +') and the negative pole (represented by a symbol) of the rechargeable battery 310 are respectively coupled to the operation of the main device 250. Voltage VDD and ground VSS. The diode D2 is coupled from the input terminal 丨(1) to the positive terminal of the rechargeable battery 310 in the forward direction, and the diode D3 is connected from the negative handle of the rechargeable battery 310 to the input terminal In in the forward direction! . The diode D4 is lightly connected from the input terminal In2 to the positive electrode of the rechargeable battery 310 in the forward direction, and the diode D5 is coupled from the negative electrode of the rechargeable battery 310 to the input terminal In2 in the forward direction. As shown in Fig. 3, when charging the battery module 300, the user does not have to consider the problem of positive and negative polarity, that is, the battery module 300 is suitable for the infinite charging method. For example, when the potential on the input terminal In! is greater than the potential on the input terminal In2, the charging current flows through the input terminal In!, the diode D2, the rechargeable battery 310, the diode D5, and the input terminal In2. The battery is charged with a charge of 0963-A22220TWF (N2); P27960014TW; nikey 9 200917618. Conversely, when the potential on the input terminal In2 is greater than the potential on the input terminal In!, the charging current flows through the input terminal In2, the diode D4, the rechargeable battery 310, the diode d3, and the input terminal 以ηι in order to charge. The battery 310 is charged. Among them, the rechargeable battery 31 is a battery having no memory effect, that is, it is not necessary to discharge, for example, a battery. Charge the lithium battery. The charging power output terminal Out! and the output terminal 〇ut In an embodiment, the module to be charged 230 is a module for measuring an electrocardiogram, wherein the battery module 240 is a non-polar battery module (ie, the battery module in FIG. 3) Group 300). In the module to be charged 23, the 'input terminal Ιηι and the input terminal 1' are electrodes composed of a conductive material. In this embodiment, the charging module 230 can measure the electrocardiogram through the electrodes, and can also pass the potential difference of the electrodes (ie, the potential difference AVi = 42V), wherein the output terminal has a sharp life.
充電電路210包括充電晶片，用以在 端Out2之間提供大體上為4.2伏特的 ―30的輸入端In!以及輸入端In2可任 以及輸出端〇财3。例如，當輸入端工 〇963-Λ2222〇τννρ(Ν2)；ρ2796〇〇ΐ4τ^η(^ 200917618 耦接至輸出端0uti時，輸入端In2則耦接至輸出端〇ut3。 反之’當輸入端In]耦接至輸出端〇ut3時，輸入端則耦 接至輸出端〇utl。因此，待充電模組23〇不需要設計額外 的防呆裝置來避免充電過程中接點極性的問題。再者，本 發明所描述的充電裝置可適用於各種類型的鋰電池。 除了不受極性的限制之外，待充電模組中電池模組所 使用的二極體（例如：第3圖中的二極體D2-D5)亦可提 供限流的功能，以防止充電初期的大電流灌入而造成電池 的損。再者’當靜電放電（Eiectrostatic Discharge，ESD) 月匕i經由輸入端Ιηι以及輸入端In2進入待充電模組時，電 池模組内的二極體可迅速將ESD能量導入充電電池内，以 避免損害生理監控裝置内的元件而影響量測的準確度。 第4圖係顯示根據本發明另一實施例所述之電池模組 4〇〇。電池模組400包括充電電池41〇以及四個二極體串 =0-450’其中二極體串42〇_45〇各包括至少一二極體。如 第4圖所顯示，二極體串420包括二極體D2i、〇22，而二 極體串430包括一極體。二極體串440包括二極體d4i、 Dm，而二極體串450包括二極體Dsi。值得注意的是， 極體串420内的二極體數量相同於二極體串44〇内的二極 體數1，而二極體串430内的二極體數量相同於二極體 450内的二極體數量。再者，為了達到等電位充電，二極 體串420以及二極體串430内之二極體的數量總和相同於 第2圖中二極體串220内二極體的數量。因此，如第4 所顯不，可得知二極體串220具有三個二極體。此外， 〇963-A22220TWF(N2)；P27960014TW；nikey 11 200917618 池模組内二極體的數量係根據不同的應用而決定。 本發明雖以較佳實施例揭露如上，然其並非用以限定 本發明的範圍，任何熟習此項技藝者，在不脫離本發明之 精神和範圍内，當可做些許的更動與潤飾，因此本發明之 保護範圍當視後附之申請專利範圍所界定者為準。 0963-A22220TWF(N2)；P27960014TW；nikey 200917618 【圖式簡單說明】 第1A圖以及第1B圖分別係顯示傳統的充電裝置； 第2圖係顯示根據本發明一實施例所述之充電裝置； 第3圖係顯示根據本發明一實施例所述之電池模組； 以及 第4圖係顯示根據本發明另一實施例所述之電池模 組。 【主要元件符號說明】 100〜充電管理裝置 150、200〜充電裝置 210〜充電電路 220、420-450〜二極體串 230〜待充電模組 240、300、400〜電池模組 250〜主裝置 310、410〜充電電池The charging circuit 210 includes a charging chip for providing an input terminal In of -30 of substantially 4.2 volts between the terminals Out2, and an input terminal In2 and an output terminal. For example, when the input terminal 963-Λ2222〇τννρ(Ν2); ρ2796〇〇ΐ4τ^η (^200917618 is coupled to the output terminal 0uti, the input terminal In2 is coupled to the output terminal 〇ut3. Conversely, when the input terminal When In] is coupled to the output terminal 〇ut3, the input terminal is coupled to the output terminal 〇utl. Therefore, the module to be charged 23 does not need to design an additional foolproof device to avoid the problem of contact polarity during charging. The charging device described in the present invention can be applied to various types of lithium batteries. In addition to being not limited by polarity, the diode used in the battery module in the module to be charged (for example, the second in FIG. 3) The pole body D2-D5) can also provide a current limiting function to prevent the battery from being damaged by the high current in the initial charge. In addition, 'Eiectrostatic Discharge (ESD) is input via the input terminal and input. When the terminal In2 enters the module to be charged, the diode in the battery module can quickly introduce the ESD energy into the rechargeable battery to avoid damage to the components in the physiological monitoring device and affect the accuracy of the measurement. Another embodiment of the present invention The battery module 400 includes a rechargeable battery 41A and four diode strings=0-450', wherein the diode strings 42〇_45〇 each include at least one diode. As shown in Fig. 4, the diode string 420 includes diodes D2i and 〇22, and the diode string 430 includes a pole body. The diode string 440 includes diodes d4i and Dm, and the diode string 450. Including the diode Dsi. It is worth noting that the number of diodes in the polar body string 420 is the same as the number of diodes in the diode string 44〇, and the number of diodes in the diode string 430 is the same. The number of diodes in the diode 450. Furthermore, in order to achieve equipotential charging, the sum of the number of diodes in the diode string 420 and the diode string 430 is the same as the diode string in FIG. The number of diodes in 220. Therefore, as shown in the fourth, it can be seen that the diode string 220 has three diodes. In addition, 〇963-A22220TWF(N2); P27960014TW; nikey 11 200917618 pool module The number of inner diodes is determined according to different applications. The present invention has been disclosed above in the preferred embodiments, but it is not intended to limit the scope of the present invention. Any person skilled in the art will be able to make some modifications and refinements without departing from the spirit and scope of the invention, and the scope of the invention is defined by the scope of the appended claims. A22220TWF(N2); P27960014TW; nikey 200917618 [Simplified Schematic] FIGS. 1A and 1B show a conventional charging device, respectively; FIG. 2 shows a charging device according to an embodiment of the present invention; A battery module according to an embodiment of the present invention is shown; and FIG. 4 is a view showing a battery module according to another embodiment of the present invention. [Description of main component symbols] 100 to charge management device 150, 200 to charging device 210 to charging circuit 220, 420-450 to diode string 230 to module to be charged 240, 300, 400 to battery module 250 to main device 310, 410 ~ rechargeable battery
Ini、In2〜輸入端Ini, In2~ input
Du、D12..D1N、D2-D5、D21、D22、D31、D41、D42、 D51〜二極體Du, D12..D1N, D2-D5, D21, D22, D31, D41, D42, D51~II
Out】、Out2、〇ut3〜輸出端 VDD〜操作電壓 Vin〜電源信號 VSS〜接地端 0963-A22220TWF(N2)；P27960014TW；nikey 13 200917618Out], Out2, 〇ut3~output VDD~Operating voltage Vin~Power signal VSS~Ground 0963-A22220TWF(N2);P27960014TW;nikey 13 200917618
AVI △V2〜電位差。 0963-A22220TWF(N2)；P27960014TW；nikey 14AVI △ V2 ~ potential difference. 0963-A22220TWF(N2); P27960014TW; nikey 14