si 1 九、發明說明： 【發明所屬之技術領域】 本發明是一種平衡鋰電池組之充放電結構，特別是一種充電 當中，隨時偵測出電池組内，每單一經電池電壓值到控制電路， 再由控制線路對應輸出傳遞訊號至電池充電迴路，以適當充電電 ML，使母單一經電池都能充至正確電壓值之新穎裡電池充 、放電技術及結構者。 【先前技術】 鋰離子、鋰高分子電池或以鋰為基礎的化學電池在充/放電 特性上有不同於其他可二次充電的電池，㈣池放電放得太低， 電池很容易損壞、溫度過高有爆炸的危險，尤其是經電池使用在 電動工具或電動車上需要提供較高的功率，所以電池組會串、並 %很夕顆電池’又需要大電流的充、放電，如果過⑽放電會更 今易相壞、缺的成本也更高’溫度過高爆炸的嚴重度越大，所 以必須附加-保護線路在放電過程中偵測電池電壓、溫度，昱常 發生時切斷放電電流。另外，鐘電池在充電特性有其限制； 充儉電的賴規格誤差要求非常小例如充飽後單—電池電麗規格 為4.服0. G5V，過度充電電池容易損壞也會產生大量的熱有爆炸 的風險，充電不足只差〇.睛其容量財能差m，加上串 聯數顆後如⑽電難來管制是無法保證單一電池在充電時電壓 1323065 L1A贺替換_! 不會過高或在放電時過低，尤其當電池使用一陣子後串聯電池中 的每一顆電池的電壓、阻抗會產生變異使每顆電池電壓值有差異 不平衡’這樣惡性循環是電池壽命降低的主要原因。 雖然目前市面上有產品是對每一顆電池做偵測，當充電時有 任一顆電池達到上限值就停止充電，放電時有任一顆電池電壓低 於下限值就停止放電來保護電池，但這樣電池在每次充電後的續 航力還疋會降低。故對有串並聯的電池組在大電流充電的條件 下，要使電池組充電後續航力大、壽命長、充電時間短就必須將 每-個單獨的電池在每:欠的充電過針，雜被㈣朗最佳狀 況’放電時任何-顆電池都不會超過所設定的低限值，用傳統的 充電方式設計是難以達到的。 有見鐘電池充放電技術有上述不便於使用的缺失，本 發明人乃積極研究改進之道’經過一番艱辛的發明過程，終於有 本發明產生。 【發明内容】 本發月即日在提供—種平衡鐘電池組之充放電結構， t乃為解決上述_點，製作-智_的多階充電方式；在充電 時:以隨時_每只單—電池的電壓並和電池充電迴路溝通，以 適^的充電電流、充電分路使每—個單—電池雛充至正確電麗 值達到平衡充電，此為本發明之主要目的。 6 又本發明即旨在提供一種平衡鐘電池組之充 有電壓異常/溫度異常/錢異常之保護卿，可大餅低爆炸; 損壞風險，自漏電流小，長期放置還能保有電源，對—般需要大 力率的portable產品更可以運用此方法結合放電保護線路組成一 ，慧型的_池組包(Batter Pack) ’其外型和傳統的電池触 幾乎-樣很容易財替代原職或錢電絲使用，此為本發明 之又一目的。 至於本發明之詳細構造、應用原理、作用與功效，則參照下 列依附圖所作之說明即可得到完全的了解。 【實施方式】 第一圖為本發明平衡鋰電池組之充放電結構電路示意圖，圖 中所標示CH+為電池充電迴路1〇之正極，CH_為電池充電迴路1〇之 負極，VB+為電池組2〇放電迴路之正極，VB_為電池組2〇放電迴路 之負極，且電池充電迴路1〇之充電電源為交換式電源或為傳統變 壓器，由該圖所示可知，本發明此種平衡鋰電池組之充放電方法 及結構’係將電池組20中數只串聯之锂電池Bi，B2, Bn各自正極，分 別受對應之控制信號Ol-LOLLOn-i導通電池充電迴路1〇正極，且 各自負極分別受對應之控制信號〇丨_2, 〇2-2, 〇n-2導通電池充電迴路 1〇負極（而控制信號〇Η，〇Μ，On」導通電池充電迴路1〇正極之裝 置’如圖所示，可為電訊引導開關Sl-1，S2-1，Sn-Ι ;控制信號 1323065 年I It正替換頁 0卜2,〇2-2, On-2導通電池充電迴路1〇負極之裝置，如圖所示可為電 訊引導開關S卜2，S2_2，Sn-2)，並將數只串聯之鋰電 各自正、負極電壓（II，I2，In)傳至一控制線路30對應端，使控 - 制線路30對應輸出傳遞訊號C0Mi，C0Mn至電池充電迴路10，並輸出 控制訊號0卜2, 〇2-2, On-2導通對應串之鋰電池Bi，B2, Bn充電，同時間 内，由控制線路30驅使單一控制信號（0H或導通電 池充電迴路10正極’且同時驅使單一控制信號（〇卜2或〇2_2或〇11_2) ® 導通電池充電迴路1〇負極，而無其它正、負極控制信號導通作用， 以對那串相鄰之鋰電池Bn，Bn+1，Bn+2或那單一鋰電池（Βι或B2或Bn ) 充電。 例如連接第一顆鋰電池Bl正極端之電訊引導開關Sh，和最後 一顆鋰電池Bn負極端之電訊引導開關Sn_2導通，則可對整串鋰電池 Bl，B2，Bn充電，因而只要安排任一組電訊引導開關導通（例如Si i •與Sl-2，或Sl-1 與S2-2 ’ 或Sl-1 與Sn-2，或S2-1 與S2-2，或S2-1 與Sn-2，或Si 1 IX. Description of the invention: [Technical field of the invention] The present invention relates to a charge and discharge structure of a balanced lithium battery pack, in particular, during charging, at any time, a single battery voltage value is detected in the battery pack to the control circuit. Then, the control line outputs a signal to the battery charging circuit to properly charge the electric ML, so that the single battery can be charged to the correct voltage value of the battery charging and discharging technology and structure. [Prior Art] Lithium ion, lithium polymer batteries or lithium-based chemical batteries have different charge/discharge characteristics than other rechargeable batteries. (4) The discharge of the cells is too low, and the battery is easily damaged and temperature. If the battery is too high, there is a danger of explosion, especially if the battery is used on a power tool or an electric vehicle. Therefore, the battery pack will be stringed, and the battery pack will need to charge and discharge a large current. (10) The discharge will be easier and the cost will be higher. The temperature is too high. The severity of the explosion is greater. Therefore, it is necessary to add-protect the line to detect the battery voltage and temperature during the discharge process. Current. In addition, the battery has its limitations in charging characteristics; the specification error of the charging battery is very small, for example, the battery is charged after the battery is fully charged. 4. The battery is 4. The service is 0. G5V, and the overcharged battery is easily damaged and generates a lot of heat. There is a risk of explosion, the charging is not enough. The difference in the capacity of the money is m, plus a few in series, such as (10) electricity is difficult to control is not guaranteed to charge a single battery when charging 1323065 L1A replacement _! Not too high Or when the discharge is too low, especially when the battery is used for a while, the voltage and impedance of each battery in the series battery will be mutated to make the voltage value of each battery have a different imbalance. The vicious cycle is the main reason for the decrease of battery life. . Although there are products on the market that detect each battery, when any battery reaches the upper limit, it stops charging. When any battery voltage is lower than the lower limit, it stops discharging and protects. The battery, but the battery's endurance after each charge will be reduced. Therefore, under the condition of large current charging of the battery pack with series and parallel connection, in order to make the battery pack charge, the subsequent flight force is large, the service life is long, and the charging time is short, each of the individual batteries must be charged every time: Any battery that does not exceed the set low limit when it is discharged in the best condition of the "four" is difficult to achieve with the traditional charging method. In view of the fact that the battery charging and discharging technology has the above-mentioned inconvenience, the inventors have actively studied the improvement method. After a arduous invention process, the present invention finally came into being. [Summary of the Invention] The charge and discharge structure of the battery pack of the balance clock is provided on the first day of the month, t is to solve the above-mentioned _ point, the multi-step charging mode of making - wisdom _; at the time of charging: at any time _ each single - The voltage of the battery is communicated with the battery charging circuit, so that the charging current and the charging shunt are used to charge each battery cell to the correct battery value, which is the main purpose of the invention. 6 The present invention aims to provide a protection bell with a voltage abnormality/temperature abnormality/money abnormality of the balanced clock battery pack, which can reduce the explosion of the cake; the risk of damage, the self-leakage current is small, and the power can be maintained for a long time. Generally, the portable products that need a high rate can be combined with the discharge protection circuit to form a package. The Batter Pack of the Hui type is almost easy to replace the original job or the money with the traditional battery. The use of a wire is another object of the present invention. As for the detailed construction, application principle, function and effect of the present invention, a complete understanding can be obtained by referring to the following description made with reference to the accompanying drawings. [Embodiment] The first figure is a schematic diagram of the charging and discharging structure circuit of the balanced lithium battery pack of the present invention. The CH+ is the positive pole of the battery charging circuit 1,, the CH_ is the negative pole of the battery charging circuit 1,, and the VB+ is the battery pack. 2〇 The positive pole of the discharge circuit, VB_ is the negative pole of the battery pack 2〇 discharge circuit, and the charging power supply of the battery charging circuit 1 is an exchange power source or a conventional transformer. As shown in the figure, the balanced lithium battery of the present invention is known. The charging and discharging method and structure of the pool group are the positive electrodes of the lithium batteries Bi, B2, and Bn connected in series in the battery pack 20, respectively, and are respectively controlled by the corresponding control signals Ol-LOLLOn-i, and the battery charging circuit is turned on, and each is The negative poles are respectively controlled by the corresponding control signals 〇丨_2, 〇2-2, 〇n-2 to turn on the battery charging circuit 1 〇 negative (and the control signal 〇Η, 〇Μ, On) turns on the battery charging circuit 1 〇 positive device' As shown in the figure, it can be telecommunication pilot switch Sl-1, S2-1, Sn-Ι; control signal 1323065 I It is replacing page 0b2, 〇2-2, On-2 conduction battery charging circuit 1〇 negative The device, as shown in the figure, can be a telecommunication boot switch S 2, S 2_2, Sn-2), and the respective positive and negative voltages (II, I2, In) of the lithium batteries connected in series are transmitted to the corresponding end of a control line 30, so that the control line 30 corresponds to the output transmission signal C0Mi, C0Mn to the battery. Charging circuit 10, and outputting control signal 0b2, 〇2-2, On-2 conducting lithium batteries Bi, B2, Bn corresponding to the string, and driving a single control signal (0H or conducting battery) by control line 30 at the same time Charge circuit 10 positive 'and at the same time drive a single control signal (〇 2 or 〇 2_2 or 〇 11_2) ® to turn on the battery charging circuit 1 〇 negative, and no other positive and negative control signals conduct, to the adjacent lithium battery The battery Bn, Bn+1, Bn+2 or the single lithium battery (Βι or B2 or Bn) is charged. For example, the telecommunication boot switch Sh connected to the positive terminal of the first lithium battery B1, and the negative terminal of the last lithium battery Bn. When the telecommunication pilot switch Sn_2 is turned on, the entire series of lithium batteries B1, B2, Bn can be charged, so that any group of telecommunication guiding switches can be arranged to be turned on (for example, Si i • and Sl-2, or Sl-1 and S2-2 ' or Sl-1 and Sn-2, or S2-1 and S2-2, or S2-1 and Sn-2, or
Sn-i與Sn-2)，再配合適當充電電流就可對相鄰之數串聯鋰電池 Βη，Βη+ι，Βπ+2充電，或對單一鋰電池（別或肊或Bn)充電，且控制 -線路30内’設有在充電過程隨時偵測每只鋰電池電壓丨丨，ι2， .後，依内建程式決定充那組串聯鋰電池Bn Bn+l Bn+2或那單一鋰電 池（Βι或B2或Bn)之單晶片微處理器，其並設有一支或多支端點對 應輸出傳遞訊號Comi’Comn至電池充電迴路1〇來決定充電電流模式 ，如此在充電過程中，就可將每單一鋰電池（抝或跆或Bn)充到最 8 1323065 \Σιμ^ 適需求電壓，另外，控制線路30之電源VCC (CH+)供應可由前述 標示CH+之電池充電迴路1〇正極掌控，因而在非充電狀態時（CH+ . 沒有電源供應），整個控制線路30都沒有電源導通，且所有引導 ' 開關（Sl_1與如與免-1與Si-2與S2-2與Sn-2)及放電迴路都斷開， 也因而自漏電流很小，復於臨近鋰電池Bl，B2, Bn之控制線路3〇内， 包含一只或一只以上之熱敏電阻（圖中未示）做為保護元件，偵 測熱敏電阻之電阻值變化，代表鋰電池Bl，B2,仏溫度變化，以執行 _ 溫度異常保護功能。 本發明亦可如第二圖所示實施’可將數顆鋰電池Bl，扮，βη串聯 成之電池組20，串及一只或一只以上之熱敏電阻Rth，共同封裝於 同一電池組包40 (Battery Park)内，而引導開關（Si-i與S2-1與Sn-i and Sn-2), together with the appropriate charging current, can charge adjacent series lithium batteries Βη, Βη+ι, Βπ+2, or charge a single lithium battery (other or 肊 or Bn), and In the control-line 30, it is set to detect the voltage of each lithium battery 丨丨, ι2, at any time during the charging process, and then decide to charge the series lithium battery Bn Bn+l Bn+2 or the single lithium battery according to the built-in program. (Βι or B2 or Bn) single-wafer microprocessor with one or more end points corresponding to the output signal Comi'Comn to the battery charging circuit 1 to determine the charging current mode, so during the charging process, Each single lithium battery (拗 or 跆 or Bn) can be charged to a maximum voltage of 8 1323065 , μ μμ, and the power supply VCC (CH+) of the control line 30 can be controlled by the battery charging circuit 1 前述 previously labeled CH+. Therefore, in the non-charging state (CH+. no power supply), the entire control line 30 has no power-on, and all the 'switches' (S1_1 and IF-1 and Si-2 and S2-2 and Sn-2) and The discharge circuit is disconnected, and thus the self-leakage current is small, and it is restored to the adjacent lithium battery Bl, B2, Bn. In the control circuit 3, one or more thermistors (not shown) are used as protection elements to detect the change of the resistance value of the thermistor, and represent the lithium battery B1, B2, 仏 temperature change, Execute _ temperature abnormality protection function. The present invention can also be implemented as shown in the second figure, which can be used to pack a plurality of lithium batteries B1, a battery pack 20 in which βn is connected in series, a string and one or more thermistors Rth, and are packaged together in the same battery pack. Inside the package (Battery Park), and the boot switch (Si-i and S2-1
Sn-i與Si-2與S2-2與Sn-2)與控制線路3〇，皆容設入電池充電迴路1〇 内’使每只鋰電池Bi，B2, Bn之正、負極和熱敏電阻Rth未串接電池 組之另％，开》成4出電池組包40 (Battery Park )之搭接端點， 而電池充電迴路10也有與之對應之受搭端點，欲充電時，將對應 之格接端點與受搭端點對接，即可連通成完整之充電機制，如此 • 可將發熱體置於電池充電迴路10内，具有電池組20成本低之效用。 本發明又可如第三圖所示實施’從圖二所示之架構下，於電 池組包40内，還設有保護線路50、-半導體開關MOS卜第-二極 體w，並與前述至少_只或__只以上之熱敏電_h，充作鐘電池 Βΐ’β2，Βη在電接負載（如開啟電動工具等）放電時，執行過低壓' 9 1323065Sn-i and Si-2 and S2-2 and Sn-2) and control circuit 3〇 are all placed in the battery charging circuit 1〇 to make each lithium battery Bi, B2, Bn positive, negative and thermal The resistor Rth is not connected in series with the other part of the battery pack, and the battery charging circuit 10 has a corresponding end point of the battery pack 10, and when charging, The corresponding grid connection terminal and the docked terminal can be connected to form a complete charging mechanism, so that the heating element can be placed in the battery charging circuit 10, and the battery pack 20 has the low cost. The present invention can be implemented as shown in the third figure. Under the structure shown in FIG. 2, in the battery pack 40, a protection circuit 50, a semiconductor switch MOS b-diode w, and the foregoing are also provided. At least _ only or __ only above the thermal _h, charge the clock battery Βΐ 'β2, Β η when the electrical load (such as turning on the power tool, etc.) discharge, the low voltage ' 9 1323065
年弓，an替後頁I ( -ί.. f - ._·___ — ...... 過间/皿保5蒦之保濩元件，該保護線路5〇之供電端接在，該線路 接地端接在放電迴路的負極CH_，平時不耗電只有在啟用負載時由 電動工具上的開關將CH-和VB-導通，才會耗電開啟保護功能。並 受由開關送予訊號Vg連通園控制負載（即半導體開關之觸發端， 又負載之_開啟喊Vg導人連通，且平時該線路5()接地端接在 VB為電池組2〇放電迴路之負極，由而平時不耗電，只在啟用 負載時，才會耗電開啟保護機能）。 而半導體開關MOS1係串連在電池組2〇放電迴路上，一端接電 池組20放電迴路之負極VB—，另端輸出訊號ν_，其導控端受保護線 路50之一控制訊號0m所驅控，復於半導體開關M〇sl兩端並聯第一 二極體D1，由而對負載放電時，該線路50偵測每一鋰電池Βι，β2, Bn 電壓Ii，I2, In，及前述熱敏電阻Rth之電壓，當任一鋰電&Βι Β2，Βη 電壓II’ I2, In在放電時，低於設定值或溫度異常時，會輸出一控制 訊號0m命令半導體開關MOS1斷開放電迴路。 本發明此種平衡鋰電池組之充放電結構，其電池組包復可如 第四圖所示實施，將數顆鋰電池Bi，B2, Bn串聯成之電池組20、控制 線路30 ’及前述之保護線路50、半導體開關M〇sl，共同封裝於同一 電池組包40 (Battery Park)内，且將保護線路50容入控制線路 30内，使控制線路30—外通端點，受負載之開關開啟訊號Vg導入 連通，且供開關開啟訊號Vg流通之傳輸線，充電時可為利用標準 通訊協定（LIN BUS)和充電迴路端達成雙向溝通之單線，並使該 1323065 線路之地線置於電池充電迴路上，正電源則由電池充電迴路正極 CH+和放電迴路正極VB+並連供電，且在開啟電動工具時利用電動 • 工具上的開關將電池充電迴路負極CH-和放電迴路負極VB-短路， 由而達到充電過程中，使每只鋰電池Bi，B2, Bn都能充至適當準確之 電壓值’且放電過程中’可不疏漏地管制每一顆鋰電池Bl B2，Bn 電壓不低於設定值或溫度異常下放電，達到保護效果，尚有自漏 電流小’長時間放置後鋰電池Bi，B2, Bn依然能保有足夠電能，及可 修整合成傳統之電池組包40，很容易就能替代現有產品之優點。 本發明此種平衡鋰電池組之充放電結構，其電池組包再可如 第五圖所示實施，控制信號〇Η，導通前述電池充電迴路 正極CH+之裝置’如圖所示’係為鐘電池別，Β2, Βη正極端皆由第一 電晶體Q1、第二電晶體Q2、第一電阻ri、第二電阻R2、第三電 阻R3、第四電阻R4，及第二二極體j)2、组成受控制線路控制之 開關’該第一電晶體奶可為_電晶體’第二電晶體Q2可為师 雙極（bipolar)電晶體或p型通道金氧半導體場效電晶體（p channel M0SFET)’帛二電晶體q2之射極連接第一電阻R1 一端， •再接往電池充電迴路正極CH+，且第二電晶體啦之集極串接第二 •二極體D2接到對應級之鐘電池m或B2或βη正極，並將第一電阻 R1未連接第二電晶體敗射極之一端，接往第二電晶體收基極， 再串接第一電阻R2至第一電晶體以集極，且第一電晶體以射極 串接第一電阻R3到第—電晶體Q1基極，復再由第—電晶體以基 11 極串接第四電阻R4到控制線路 替 或當第，體Q1受控制線路3。==- 晶體Q1不導通時，第一^ 电曰哪導通，反之第-電 ㈣防止電壓反灌 敗亦隨之斷開’並藉由第二二極 而控制域0卜2, 〇2_2, 0n_2導通電池充電迴路 ，如圖所示，係為裡雷油Rl β D 負極CH-之震置 五電阻奶、第極端皆由第三電晶體⑽、第 ^fm 第—一極體D3組成受控制線路30控 可為雙極(b“r)電晶_ ，乳〃導體場效電晶體dhannei _ =之集極轉第三二極體_對應級之㈣池體 ，且第三電晶體Q3之射極串接第五電阻R5到第 、 =再由第三電獅基極串接第六電阻―二 ^ 〇1~2 ^ 〇2-2 * , t 3¾^ Q3 路30對應輸出控制訊號01_2或㈣或〇n_2時，即導通，解由第 Γ極體⑽防止電壓反灌，由而平常不論鐘電池Bi歲單獨 放或插在工具上開關未按時，呢_和CH開路因而控制線路昶 和麵斷路嘴電迴路上的半導體開關嶋關閉，使内漏電流小， 而右電池組20插在工具上’當工具的觸發關啟動時會先將放電 '。路之負極VB-和充電迴路負極CH_接通，使控制線路3〇處於控 制放電狀態’發出開關開啟訊號Vg和工具開關溝通，執行放電時 12 1323065 每顆鐘電池電壓、溫度偵測，異常發生時關閉半導體開關M〇s卜 自動斷開放電迴路，達到保護功效，而若在充電狀況則控制線路 • 30之接地端接在電池充電迴路負極CH-，正電源由電池充電迴路 - 之正極CH+供電，並由發出開關開啟訊號Vg端，判斷處於充電狀 態及隨時和電池充電迴路溝通。 從上所述可知，本發明之此種平衡鐘電池組之充放電結構， 確實具有充電或放電過熱時，切斷充放電流以保護電池組，達到 籲每單-鐘電池在每次充電過程中，都能被控制充到最佳狀態，放 電日^任-鐘電池都不會超過所設定低限值，對串並聯電池組在大 電流充電下，使電池組充電後續航力更大、壽命更長、充電時間 之力效且未見諸公開使用，合於專利法之規定，懇請賜准 專利，實為德便。 麟明者’以上崎者乃是本發雜佳具體的實施例，若依 ·=發明之構想所作之改變’其產生之功能作用，仍未超出說明書 ”圖不所涵蓋之精神時，均應在本發明之細内，合予陳明。 - 【圖示簡單說明】 .弟__本發0砰触電池組之充放電結構魏示音圖。 第二圖為本㈣平衡㈣她之級電結構魏^ E3 只 圍° 弟一圖為由圖二所示架構又一實施例圖。 13 1323065 ^¾.¾¾正替換頁 第四圖為本發明平衡鋰電池組之充放電結構電路之電池組包復又 一實施例圖。 第五圖為本發明平衡鋰電池組之充放電結構電路之電池組包再一 實施例圖。 【主要元件符號說明】 10____電池充電迴路 20____電池組 30.. ..控制線路 40____電池組包 50.. ..保護線路 14Year of the bow, an for the next page I ( - ί.. f - ._·___ - ...... 过 / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / The grounding of the line is connected to the cathode CH_ of the discharge circuit. Normally, no power is consumed. Only when the load is turned on, the CH- and VB- are turned on by the switch on the power tool, and the power-on protection function is turned on. The signal is sent to the signal Vg by the switch. The connected park controls the load (that is, the trigger end of the semiconductor switch, and the load is turned on and the Vg is connected to the lead, and the ground terminal of the line 5 () is normally connected to the negative pole of the battery pack 2〇 discharge circuit, which is usually not consumed. Electricity, only when the load is enabled, it will consume power to turn on the protection function.) The semiconductor switch MOS1 is connected in series to the battery pack 2〇 discharge circuit, one end is connected to the negative electrode VB of the battery pack 20 discharge circuit, and the other end is output signal ν_ The control terminal is controlled by a control signal 0m of one of the protection lines 50, and is connected to the first diode D1 at both ends of the semiconductor switch M〇sl. When the load is discharged, the line 50 detects each lithium battery. Pool Βι, β2, Bn voltage Ii, I2, In, and the voltage of the aforementioned thermistor Rth, when any lithium battery &Β;Βι Β2,Βη Voltage II' I2, In when discharging, lower than the set value or abnormal temperature, a control signal 0m is output to command the semiconductor switch MOS1 to open the discharge circuit. The charging of the balanced lithium battery pack of the present invention The discharge structure, the battery pack can be implemented as shown in the fourth figure, the battery cells 20, the control circuit 30' and the protection circuit 50 and the semiconductor switch M〇sl which are connected in series by several lithium batteries Bi, B2, Bn Co-packaged in the same battery pack 40 (Battery Park), and the protection line 50 is accommodated in the control line 30, so that the control line 30 - the external end point, the switch opening signal Vg is connected and connected, and the switch is provided Turn on the transmission line of signal Vg. When charging, it can be a single line that uses two-way communication between the standard communication protocol (LIN BUS) and the charging circuit end, and the ground wire of the 1323065 line is placed on the battery charging circuit, and the positive power source is charged by the battery. The loop positive CH+ and the discharge loop positive VB+ are connected in parallel, and when the power tool is turned on, the battery charging circuit negative cathode CH- and the discharge loop negative VB- are short-circuited by the switch on the electric tool. In the charging process, each lithium battery Bi, B2, Bn can be charged to an appropriate and accurate voltage value 'and during the discharge process', each lithium battery B B B2 can be controlled without any omission, and the Bn voltage is not lower than the set value. Or discharge under abnormal temperature, to achieve the protection effect, there is still a small self-leakage current. After a long time, the lithium battery Bi, B2, Bn can still maintain enough power, and can be repaired into a traditional battery pack 40, which can easily be replaced. Advantages of the existing products. The charging and discharging structure of the balanced lithium battery pack of the present invention, the battery pack can be implemented as shown in the fifth figure, and the control signal 〇Η, the device for turning on the positive battery CH+ of the battery charging circuit is as shown in the figure. The display is a clock battery, Β2, 正极η positive terminal is composed of a first transistor Q1, a second transistor Q2, a first resistor ri, a second resistor R2, a third resistor R3, a fourth resistor R4, and a second The diode j) 2, the switch that constitutes the controlled line control 'the first transistor milk can be _ transistor', the second transistor Q2 can be a bipolar transistor or a p-channel MOS field Effect transistor (p channel M0SFET) The emitter of the crystal q2 is connected to one end of the first resistor R1, • is connected to the positive battery CH+ of the battery charging circuit, and the collector of the second transistor is connected in series with the second diode D2 to the corresponding clock battery m or B2 Or a βη positive electrode, and the first resistor R1 is not connected to one end of the second transistor, and is connected to the second transistor to receive the base, and then connected in series with the first resistor R2 to the first transistor to collect, and A transistor is connected in series with the first resistor R3 to the base of the first transistor Q1, and the fourth transistor R4 is connected in series with the fourth resistor R4 to the control line for replacement or when the body Q1 is controlled. Line 3. ==- When the crystal Q1 is not conducting, the first ^ 曰 导 , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , 四0n_2 turns on the battery charging circuit. As shown in the figure, it is the Ry β oil, the negative electrode CH- is set to the five-resistance milk, and the extreme is composed of the third transistor (10) and the ^fm first-pole D3. The control circuit 30 can be bipolar (b "r) electro-crystal _, chyle conductor field effect transistor dhannei _ = collector to third diode _ corresponding level (four) cell body, and third transistor Q3 The emitter is connected in series with the fifth resistor R5 to the first, and then by the third electric lion base, the sixth resistor is connected to the second resistor - 2^ 〇 1~2 ^ 〇 2-2 * , t 33⁄4^ Q3 30 corresponds to the output control signal When 01_2 or (4) or 〇n_2, it is turned on, and the solution is prevented from being reversed by the diode (10). Therefore, regardless of whether the clock battery is placed separately or inserted into the tool, the switch is not pressed, then the _ and CH are opened and thus controlled. The semiconductor switch 昶 on the circuit of the line 面 and the surface of the circuit breaker is closed, so that the internal leakage current is small, and the right battery pack 20 is inserted into the tool 'When the trigger of the tool is turned off, the battery will be discharged first' The negative pole of the road VB- and the negative pole of the charging circuit CH_ are connected, so that the control circuit 3〇 is in the control discharge state. The switch is turned on and the signal is communicated with the tool switch. When the discharge is performed, 12 1323065 battery voltage and temperature detection are abnormal. When the semiconductor switch is turned off, the semiconductor switch M〇sb automatically disconnects the discharge circuit to achieve the protection effect. If the charging condition is in the charging state, the ground terminal of the control circuit is connected to the negative battery CH- of the battery charging circuit, and the positive power supply is charged by the battery charging circuit. The CH+ power supply is turned on by the switch to turn on the signal Vg terminal, and it is judged that it is in a charging state and communicates with the battery charging circuit at any time. From the above, the charging and discharging structure of the balanced clock battery pack of the present invention does have charging or discharging overheating. When the charging and discharging current is cut off to protect the battery pack, the battery can be controlled to be optimally charged during each charging process, and the battery will not exceed the set low. Limit value, for series and parallel battery packs under high current charging, so that the battery pack can be charged with greater subsequent flight capacity, longer life, charging time and no publicity. Use, in conjunction with the provisions of the Patent Law, please grant a patent, which is a virtue. Lin Ming's 'Sakisaki is a specific embodiment of this issue, if the change made by the concept of invention' The function of the function shall not be exceeded in the spirit of the present invention, and shall be combined with Chen Ming. - [Simple description of the illustration] Brother __ This is a 0-touch battery pack charge and discharge structure Wei sound map. The second picture is (4) Balanced (4) Her level electrical structure Wei ^ E3 only ° ° Brother 1 is a diagram of another embodiment of the architecture shown in Figure 2. 13 1323065 ^3⁄4.3⁄43⁄4 Positive Replacement Page The fourth figure is a diagram of another embodiment of the battery pack of the charge and discharge structure circuit of the balanced lithium battery pack of the present invention. Fig. 5 is a view showing still another embodiment of the battery pack of the charge and discharge structure circuit for balancing the lithium battery pack of the present invention. [Main component symbol description] 10____ battery charging circuit 20____ battery pack 30.. .. control circuit 40____ battery pack 50.. .. protection circuit 14