經濟部中央標準局員工消費合作社印製 31 SO 57 A7 B7五、發明説明（1 ) 本發明係有關一種使用於如雙向呼叫器（bidirectional pager)或個人數位輔助器（personal digital assistant，PDA) 之類的可攜帶式終端機用電源電路裝置，特別係有關一種 具無線傳輸單位之可攜帶式終端機之電源電路裝置，該無 線傳輸單位於傳輸時會消耗大量功率並以電池爲電源。 於過去，可攜帶式終機機之電源電路裝置所使用之電 源包括主電池與次電池，主電池爲可拋棄式電池，如鎂乾 電池或鋁乾電池，此種可拋棄式電池易於安裝與更換，而 可充電與重覆使用之次電池可爲鋰離子電池或鎳鎘電池。 當使用如鎂乾電池或鋁乾電池爲主電池時，由於這類 電池的内電阻相當大，因此於需要大量電流的傳輸單位操 作時電池之電壓差會變得相當大。所以，須增加這類乾電 潦的數量以增加電量，才不會發生電池電壓差不夠的問 題。此種解決方式會增加電池儲存單位的體積而導致裝置 的體積也跟著變大。因爲可攜帶式終端機之體積要愈來愈 小，裝置體積的增加所造成的問題將無法符合使用者的需 求。 另一方面，當使用如鋰離子電池或鎳鎘電池之類的需 充電的次電池時，得另外有一充電器，且充電過程頗爲麻 煩。 有鑑於此，本發明之主要目的爲提供一種可攜帶式終 端機用電源電路裝置，該裝置可避免於爲解決傳輸時之大 電壓差的而衍生的主電池數量增加的問題，也可以解決麻 煩的充電操作。 (請先閱讀背面之注意事項再填寫本頁) 袈·31 SO 57 A7 B7 Printed by the Staff Consumer Cooperative of the Central Bureau of Standards of the Ministry of Economy V. Description of the invention (1) The present invention relates to a type used in bidirectional pagers or personal digital assistants (PDAs). The power supply circuit device for portable terminals is particularly related to a power supply circuit device for a portable terminal with a wireless transmission unit. The wireless transmission unit consumes a large amount of power during transmission and uses a battery as a power source. In the past, the power source used in the power circuit device of the portable terminal included primary batteries and secondary batteries. The primary batteries were disposable batteries, such as magnesium dry batteries or aluminum dry batteries. Such disposable batteries are easy to install and replace. The secondary battery that can be recharged and used repeatedly can be a lithium ion battery or a nickel-cadmium battery. When a main battery such as a magnesium dry battery or an aluminum dry battery is used, since the internal resistance of such batteries is quite large, the voltage difference of the battery becomes quite large when operating in a transmission unit requiring a large amount of current. Therefore, it is necessary to increase the amount of such dry electricity to increase the amount of electricity, so as not to cause the problem of insufficient battery voltage difference. This solution will increase the volume of the battery storage unit and cause the volume of the device to become larger. Because the volume of portable terminals is getting smaller and smaller, the problems caused by the increase in the volume of the device will not meet the needs of users. On the other hand, when a secondary battery that needs to be charged, such as a lithium-ion battery or a nickel-cadmium battery, is used, an additional charger is required, and the charging process is troublesome. In view of this, the main purpose of the present invention is to provide a power supply circuit device for a portable terminal, which can avoid the problem of increasing the number of main batteries derived from the large voltage difference during transmission and can also solve the trouble Charging operation. (Please read the precautions on the back before filling out this page) 袈 ·
、tT 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） B1S0S7 A7 經濟部中央標準局員工消費合作社印製 B7五、發明説明（2) 爲了要達成上述目的，根據本發明的基本觀念而提出 一種可攜帶式終端機用電源電路裝置，其包括：一低輸出 阻抗的次電池，用於提供傳輸單位於傳輸時所消耗的大功 率；以及一主電池，用於提供次電池充電之所需。 根據本發明的另一觀念而提出一種可攜帶式終端機用 電源電路裝置，其包括：一主電池，提供除了傳输單位以 外的單位的功率；一次電池，提供傳輸單位所需之功率； 一升壓電路，用以升壓主電池的電壓；開關裝置，於傳輸 單位完成傳輸之後，立即由上述升壓電路所提供之輸出電 壓對次電池進行充電；以及一控制電路，輸出一充電控制 信號，使得上述開關裝置於一既定的充電時間内導通。 根據本發明，於可攜帶式終端機用電源電路裝置内， 傳輸單位所需之功率乃由具較低的内電阻之次電池來供 應。而傳輸單位於傳輸之瞬間需要的大電流。於傳輸動作 完成之後，次電池所消耗之功率要立即由主電池對其進行 充電。而主電池提供所有單位，除了傳輸單位之外的功率。 在這種安排之下，除了傳輸模式之外，主電池所提供之電 量都可處於穩態之中，因而整個電源電路裝置無需增加用 以當成主電池的乾電池數量便足夠提供所需之電量。此 外，當成主電池的乾電池也可輕易的更換。甚至，與用次 電池來當成所有單位除了傳輸單位外的功率來源之情形相 較之下，本發明也可解決麻煩的充電動作。 爲讓本發明之上述目的、特徵、和優點能更明顯易懂， 下文特舉一較佳實施例，並配合所附圖式，作詳細説明如 (請先閱讀背面之注意事項再填寫本頁) 裝- 訂 本紙張尺度適用中國國家標準（CNS ) A4規格（210 X 297公釐） 312057 A7 經濟部中央標準局員工消費合作社印製 B7 五、發明説明（3) 下： 圖式之簡單説明： 第1圖所示爲本發明之實施例之裝置圖·•以及 第2圖爲第1圖所示之實施例之時間圖表。 [符號説明] 1〜主電池； 2〜升壓電路； 3〜開關裝置； 4〜次電池； 5〜控制單位； 6〜傳輸單位； 7〜一般電路； S1〜傳輸控制信號；S2〜充電控制信號； tl〜傳輸時間； t2〜充電時間； 實施例 第1圖所示爲本發明之實施例之裝置圖，而第2圖爲 第1圖所示之實施例之時間圖表(timing chart)。 現在請參考第1圖，符號1代表可用鎂乾電池或鋁乾 電池的主電池，而主電池1連接到升壓電路2。次電池4 可爲鋰離子電池或鎳鎘電池。主電池1之輸出電壓經升壓 後所得之電壓稍微比次電池4之輸出電壓高一些。經升壓 電路2所升壓後之電壓則供應開關裝置3與控制單位5所 需之功率。開關裝置具有一 ΟΝ/OFF開關.。 控制單位5會輸出傳輸控制信號S1與充電控制信號 S2。傳輸控制信號S1用以控制傳輸單位6之傳輸。當傳 輸完成後，充電控制信號S2用以控制開關裝置3的上述 ΟΝ/OFF開關之狀態爲開（ON)或關（OFF)。 開關裝置3會根據充電控制信號S2而於一既定時期内 將上述ΟΝ/OFF開關維持爲導通態，並將升壓電路2的輸 (請先聞讀背面之注意事項再填寫本頁) 6 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） _MS7 A7 經濟部中央標準局員工消費合作社印製 B7五、發明説明（4) 出電壓對次電池4進行充電。 主電池1用以提供可攜帶式終端機内所有單位的功 率，除了傳輸單位之外，並使供電量處於穩態中，而次電 池4則只提供傳輸單位6所需的功率。 接著，將描敘第1圖所示之實施例之動作。 當傳輸單位6欲進行傳輸時，由控制單位5所輸出之 傳輸控制信號S1將控制傳輸單位6。在這個時候，控制單 位5並不會輸出充電控級信號S2。因此，開關裝置3的 ΟΝ/OFF開關將爲關閉狀態。因爲開關裝置3處於關狀態， 傳輸單位6與主電池1之間呈斷路狀態，所以升壓電路2 將無法提供傳輸單位6所需之功率。也就是説，傳輸時所 需的功率是由次電池4所提供的。 當傳輸完成之後，控制電路5將不會輸出傳輸控制信 號S1。相反地，控制單位5會立刻輸出充電控制信號S2。 在此請況下，開關裝置3的ΟΝ/OFF開關將於一既定時期 内維持在導通狀態。因此，由主電池1所輸出之電壓。經 升壓電路2升壓後，將對次電池4進行充電。 次電池4於傳輸中所消耗的能量爲傳輸電流乘上傳輸 時間所得的値。一般而言，傳輸電流値於各種可攜帶式終 端機都是固定的。於小包（packet)傳輸中，一個小包的傳輸 時間约爲6毫秒。 而次電池4的充電時間t2則如下所述。假設傳輸電流 爲1安培，傳輸時間tl爲10毫秒，而主電池1所提供的充 電電流爲100毫安培，則充電時間t2可由下列式子而得： IJ 1 《裝------訂------^ (請先閲讀背面之注意事項再填寫本頁) 本紙張尺度適用中國國家標準（0NS ) Α·4規格（210X297公釐） A7 ' ------------B7______ 五、發明説明（5) 1安培X 10毫秒= 100毫安培X t2 所以，充電時間t2爲1〇〇毫秒。然而，假設次電池4的充 電效率爲70%，則眞正的充電時間t2應爲140毫秒。次電 池的充電時間t2相等於開關裝置3的〇n/〇FF開關維持於 導通態的時間。 如上所述，次電池4的充電時間t2，或開關裝置3的 ΟΝ/OFF開關的導通時間，是根據傳輸時間tl而定的。因 此’當一群充電時間資料預先儲存於控制單位5内的裝 置，如疋時器或記憶器（兩者皆未示於圖中）中，且相關的 傳輸時間也有了的話，便可輕易地設定充電時間。 雖然本發明已以一較佳實施例揭露如上，然其並非用 以限定本發明，任何熟習此項技藝者，在不脱離本發明之 精神和範圓内，當可作更動與鸦飾，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爲準。、 TT This paper scale is applicable to the Chinese National Standard (CNS) A4 specification (210X297mm) B1S0S7 A7 Printed by the employee consumer cooperative of the Central Bureau of Standards of the Ministry of Economic Affairs B7 5. Description of invention (2) In order to achieve the above purpose, according to the basics of the present invention According to the concept, a power circuit device for a portable terminal is proposed, which includes: a secondary battery with low output impedance for providing high power consumed by the transmission unit during transmission; and a primary battery for charging the secondary battery Required. According to another concept of the present invention, a power supply circuit device for a portable terminal is proposed, which includes: a main battery providing power other than the transmission unit; a primary battery providing power required by the transmission unit; A booster circuit to boost the voltage of the main battery; a switching device to charge the secondary battery from the output voltage provided by the booster circuit immediately after the transmission unit completes the transmission; and a control circuit to output a charging control signal , So that the above-mentioned switching device is turned on within a predetermined charging time. According to the present invention, in the power supply circuit device for portable terminals, the power required for the transmission unit is supplied by the secondary battery having a low internal resistance. The large current required by the transmission unit at the moment of transmission. After the transfer operation is completed, the power consumed by the secondary battery should be charged by the primary battery immediately. The main battery provides power for all units except transmission units. Under this arrangement, except for the transmission mode, the power provided by the main battery can be in a steady state, so the entire power supply circuit device does not need to increase the number of dry batteries used as the main battery to provide sufficient power. In addition, the dry battery used as the main battery can be easily replaced. Even compared with the case where the secondary battery is used as the power source for all units except the transmission unit, the present invention can also solve troublesome charging operations. In order to make the above-mentioned objects, features, and advantages of the present invention more obvious and understandable, a preferred embodiment is described below in conjunction with the attached drawings to make a detailed description such as (please read the precautions on the back before filling this page ) Binding-The size of the bound paper is in accordance with Chinese National Standard (CNS) A4 (210 X 297 mm) 312057 A7 Printed B7 by the Staff Consumer Cooperative of the Central Bureau of Standards of the Ministry of Economy V. Description of the invention (3) Below: a brief description of the diagram : Figure 1 shows the device diagram of the embodiment of the present invention, and Figure 2 is a time chart of the embodiment shown in Figure 1. [Description of symbols] 1 ~ main battery; 2 ~ boost circuit; 3 ~ switching device; 4 ~ secondary battery; 5 ~ control unit; 6 ~ transmission unit; 7 ~ general circuit; S1 ~ transmission control signal; S2 ~ charging control Signal; tl ~ transmission time; t2 ~ charging time; Embodiment FIG. 1 shows a device diagram of an embodiment of the present invention, and FIG. 2 is a timing chart of the embodiment shown in FIG. Now referring to FIG. 1, symbol 1 represents a main battery that can use a magnesium dry battery or an aluminum dry battery, and the main battery 1 is connected to the booster circuit 2. The secondary battery 4 may be a lithium ion battery or a nickel-cadmium battery. The output voltage of the primary battery 1 after being boosted is slightly higher than that of the secondary battery 4. The voltage boosted by the booster circuit 2 supplies the power required by the switching device 3 and the control unit 5. The switching device has an ΟΝ / OFF switch. The control unit 5 outputs the transmission control signal S1 and the charging control signal S2. The transmission control signal S1 is used to control the transmission of the transmission unit 6. When the transmission is completed, the charging control signal S2 is used to control the state of the ON / OFF switch of the switching device 3 to be ON or OFF. The switching device 3 will maintain the above-mentioned ON / OFF switch in the on state within a given period of time according to the charging control signal S2, and will output the booster circuit 2 (please read the precautions on the back before filling this page) The paper scale is applicable to the Chinese National Standard (CNS) A4 specification (210X297mm) _MS7 A7 Printed by the Consumer Standardization Bureau of the Central Bureau of Economic Affairs B7 5. Description of the invention (4) The secondary battery 4 is charged by the voltage. The main battery 1 is used to provide the power of all units in the portable terminal, except for the transmission unit, and the power supply is in a steady state, while the secondary battery 4 only provides the power required by the transmission unit 6. Next, the operation of the embodiment shown in Fig. 1 will be described. When the transmission unit 6 wants to transmit, the transmission control signal S1 output by the control unit 5 will control the transmission unit 6. At this time, the control unit 5 will not output the charge control level signal S2. Therefore, the ON / OFF switch of the switching device 3 will be in an off state. Since the switching device 3 is in an off state and the transmission unit 6 is disconnected from the main battery 1, the booster circuit 2 cannot provide the power required by the transmission unit 6. That is, the power required for transmission is provided by the secondary battery 4. When the transmission is completed, the control circuit 5 will not output the transmission control signal S1. On the contrary, the control unit 5 will immediately output the charging control signal S2. In this case, the ON / OFF switch of the switching device 3 will be maintained in a conducting state for a predetermined period of time. Therefore, the voltage output by the main battery 1. After boosted by the booster circuit 2, the secondary battery 4 will be charged. The energy consumed by the secondary battery 4 during transmission is the value obtained by multiplying the transmission current and the transmission time. Generally speaking, the transmission current value is fixed on various portable terminals. In packet transmission, the transmission time of one packet is about 6 milliseconds. The charging time t2 of the secondary battery 4 is as follows. Assuming that the transmission current is 1 ampere, the transmission time tl is 10 milliseconds, and the charging current provided by the main battery 1 is 100 milliamperes, the charging time t2 can be obtained by the following formula: IJ 1 《装 ———— 定------ ^ (Please read the precautions on the back before filling in this page) This paper scale is applicable to the Chinese National Standard (0NS) Α · 4 specifications (210X297mm) A7 '--------- --- B7______ 5. Description of the invention (5) 1 ampere X 10 milliseconds = 100 milliamperes X t2 Therefore, the charging time t2 is 100 milliseconds. However, assuming that the charging efficiency of the secondary battery 4 is 70%, the positive charging time t2 should be 140 ms. The charging time t2 of the secondary battery is equal to the time that the ON / OFF switch of the switching device 3 is maintained in the on-state. As described above, the charging time t2 of the secondary battery 4, or the ON time of the ON / OFF switch of the switching device 3 is determined according to the transmission time t1. Therefore, when a group of charging time data is pre-stored in a device in the control unit 5, such as a timer or a memory (both not shown in the figure), and the relevant transmission time is also available, it can be easily set Charging time. Although the present invention has been disclosed as above with a preferred embodiment, it is not intended to limit the present invention. Anyone who is familiar with this skill can make changes and decorations without departing from the spirit and scope of the present invention. The scope of protection of the present invention shall be subject to the scope defined in the attached patent application.
訂 (請先閲讀背面之注意事項再填寫本頁) 經濟部中央標準局員工消費合作社印製Order (please read the notes on the back before filling out this page) Printed by the Employee Consumer Cooperative of the Central Standards Bureau of the Ministry of Economic Affairs
» _ 本紙張尺度適用中國國家標準（CNS )八4祕（210X297公着）»_ This paper scale is applicable to China National Standard (CNS) 8.4 secrets (210X297 public)