201126865 六、發明說明： 【發明所屬之技術領域】 本發明是有關於-種串聯電池系統，特別是指一種具 有自動旁路功能的串聯電池系統。 【先前技術】 一般電動車的電力來源是採用多數串聯的電池單元， 每一電池單元又是由多數電池及一電池電路組成，當有其 中一個電池單元發生故障時，由於採用争聯迴路的設計， 一般處理方式會自動將整個迴路開路（。㈣，藉以避免故 障的電池單元持續放電而達到保護功能，然而，瞬間斷電 卻會造成電動車在行進中迅速停擺與控制系統當機的缺點 於無法繼續供電’所以使用者必須要藉助拖吊車才 此帶電動車返家或返回車商維修，以致於相當不便。 【發明内容】 因此’本發明的目的是在於裎 雷叫昼_ 的疋在於棱供一種能夠保護故障的 電池系統。 路的-有自動旁路功能的串聯 於疋本發明具有自動旁路功能之$ fig φ %么 多數電池單元。 力此之串聯電池系統包含 每-電池單元包括一高電位端 開關模組、一第-門m -電位舳、一第一 弟-開關模組、多數爭聯的蓄 命令痒、-充電狀離μ a μ畜電池、-充電 q埠，及一控制模組，該等 一 a 以該高電位端與該低電位端依序串聯。 ’早疋疋 該第—開關模組是串聯於兮古 串聯於該兩電位端與該低電位端之 201126865 間，该第二開關模組是與該等蓄電池—起串聯於該高電位 端與該低電位端之間，該控制模組能偵測每一蓄電池的電 Μ ’並内建有一電壓標準範圍。 當該控制模組經由該充電命令埠接收到一充電命令時 ，該控制漁會依序使該第一開關模組開路、該第二開關 模組導通，並經由該充電狀態埠輸出一充電狀態訊號。 當該控制模組偵測到任一蓄電池的電壓不符合該電壓 ‘準範圍時，該控制模組會依序使該第：開關模組開路、 該第一開關模組導通，並經由該充電狀態埠輸出一旁路狀 態訊號。 本發明的有益效果在於：透過每一電池單元的該第一 開關模、组、該第二開關模、组，以及該電壓標準範圍的判斷 機制，就可以使得發生故障的每一電池單元自動形成旁路 ，於是不但可以中斷故障的電池單元繼續充電或放電，也 可以使其它正常的電池單元繼續保持串聯迴路的關聯， 以應用在電動車時，能達到避免行進中停擺與控制—系2 機的使用效果。 § 【實施方式】 有關本發明之前述及其他技術内容、特點與功致， 以下配合參考圖式之較佳實施例的詳細說明中，將可太在 的呈現。 清楚 如圖1、2所示，本發明具有自動旁路功能的串聯 系統200的較佳實施例包含多數電池單元2〇、一池 30,及一放電單元40。 兄電單元 201126865 一母-電池單元20包括-高電位端211、一低電位端2i2 :一第-開關模組22卜-第二開關模組222、多數串聯的 蓄電也23 -充電命令埠24 i、—充電狀態埠242、一放電 命令璋251、一放電狀態埠252,及一控制模組26。 該等電池單元20是以該高電位端211與該低電位端 212依序串聯’在本實施例中共有三個電池單S 20 ’實際 應用於該等電池單元2〇串聯的數量不受限。201126865 VI. Description of the Invention: [Technical Field] The present invention relates to a series battery system, and more particularly to a series battery system having an automatic bypass function. [Prior Art] The electric power source of a general electric vehicle is a battery unit that is connected in series, and each battery unit is composed of a plurality of batteries and a battery circuit. When one of the battery units fails, the design of the competition circuit is adopted. The general processing method will automatically open the entire circuit (. (4), to avoid the faulty battery unit to discharge continuously to achieve the protection function, however, the momentary power failure will cause the electric vehicle to quickly stop and the control system crashes during the running. It is impossible to continue the power supply. Therefore, the user must use the towing vehicle to bring the electric vehicle back home or return to the dealer for repair, which is quite inconvenient. [Inventive content] Therefore, the object of the present invention is that the 昼 裎 昼 昼 疋The rib is provided with a battery system capable of protecting the fault. The circuit-connected with the automatic bypass function of the present invention has an automatic bypass function of $ fig φ % of the majority of the battery cells. The series battery system includes a per-cell unit Including a high potential terminal switch module, a first-door m-potential 舳, a first brother-switch module, and more The contiguous order of the competition is itch, the charging state is away from the μ a μ animal battery, the charging battery, and a control module, and the one is connected in series with the low potential end. The first switch module is connected in series between the two potential terminals and the low potential end of the 201126865, and the second switch module is connected in series with the batteries to the high potential end and the low potential end. Between the two, the control module can detect the electric power of each battery and have a voltage standard range built therein. When the control module receives a charging command via the charging command, the control fisher will sequentially The first switch module is open, the second switch module is turned on, and a charging status signal is output via the charging state. When the control module detects that the voltage of any battery does not meet the voltage 'quasi-range, the The control module sequentially opens the first switch module, the first switch module is turned on, and outputs a bypass status signal via the charging state. The beneficial effect of the present invention is that the first pass of each battery unit One switch mode, group The second switch mode, the group, and the judgment mechanism of the voltage standard range can automatically cause each battery unit to be faulty to form a bypass, so that not only the battery unit that interrupts the fault can continue to be charged or discharged, but also other normal The battery unit continues to maintain the correlation of the series circuit, so that when it is applied to the electric vehicle, the use effect of avoiding the stop and control in the traveling can be achieved. § [Embodiment] The foregoing and other technical contents and features of the present invention are related to BRIEF DESCRIPTION OF THE DRAWINGS In the following detailed description of the preferred embodiments of the present invention, reference will be made to the present invention. As shown in FIGS. 1 and 2, a preferred embodiment of the series system 200 having an automatic bypass function of the present invention is illustrated. The utility model comprises a plurality of battery cells 2, a pool 30, and a discharge unit 40. The brother-electric unit 201126865 comprises a high-potential terminal 211 and a low-potential terminal 2i2: a first-switch module 22-- The two switch modules 222, the plurality of series power storages 23 - the charge command 埠 24 i, the charge state 埠 242, a discharge command 璋 251, a discharge state 埠 252, and a control Group 26. The battery cells 20 are sequentially connected in series with the low potential terminal 211 and the low potential terminal 212. In the present embodiment, the total number of battery cells S 20 ' applied to the battery cells 2 is not limited.
該第一開關模組221是串聯於該高電位端211與該低電 位端212之間。 該第一開關模組222是與該等蓄電池23 一起串聯於該 高電位端211與該低電位端212之間’在本實施例中的第一 開關模、组22i與該第二開關模組222都是採用電晶體開關 電路，實際製造時也可以採用繼電器所組成的開關電路。 該充電命令埠241、該充電狀態埠242、該放電命令埠 251，及該放電狀態埠252在本實施例中都是採用光耦合傳 輸電路。 s亥控制模組26能偵測每一蓄電池23的電壓，並内建 有一電壓標準範圍261，在本實施例中的控制模組26是採 用一電池管理系統（Battery Management Systems ,BMS)， 該控制模組26可以監控每一蓄電池23的電力狀態，並能 根據該電壓標準範圍261判斷每一蓄電池23是否充電或放 電異常。 該充電單元30是用於電連接一交流電源，並輸出一串 聯於該等電池單元20形成一充電迴路的直流電源，以及能 201126865 为別對該等電池單元20輸出—充電命令，該充電單元扣 還能接收每-電池單元2G經由該充電狀料⑽所輸出的 一旁路狀態訊號’並配合旁路狀㈣電池單元2g數量而降 低該直流電源的電壓。 該放電單元40是用於串聯於該等電池單元20形成一 放電迴路’並能分職該等電池單元2G輪出—放電命令， 在本實施例中的放電單^Q是採用—馬達控制器該馬達 控制器可以連接控制—由馬達所組成的負冑9〇，該放電單 元4〇還能接收每—電池單元2G經由該放電狀態崞252所 輸出的-旁路狀態訊號，並配合處在旁路狀態的電池單元 20數量而調整輸出功率或停止運作。 如圖1、2、3所示’以下將進—步說明本發明具有自 動旁路功能的串聯電池系統2〇〇的使用情形，其中圖2及 圖3為了方便說明使用情形，因此採用粗黑線表示來簡化 該充電單it 30與該充電命令蟑241、該充電狀態蟑242的 連接關係，以及該放電單元4〇與該放電命令淳25ι、該放 電狀態埠252的連接關係。 人 當每-電池單元2G的控制模組26經由該充電命令蜂 24i接收到-來自該充電單元3()的充電命令時，該控制模 組26會依序使該第一開關模組221開路（〇pen)、該第二開 關模組222導通（sh(m)，並經由該充電狀態埠⑷輸出一 充電狀態訊號到該充電單元3〇,此時該充電單元3〇對該等 電池單元20進行充電。 同樣地田母一電池單元20的控制模組26經由該放 201126865 電《卩令槔251接收到一來自該放電單元4〇的放電命令時， 該控制模組26會依序使該第一開關模組221開路（叩如）、 該第二開關模組222導通（short )，並經由該放電狀態埠 252輸出一放電狀態訊號到該放電單元4〇,此時該等電池 單元20對該放電單元40供電。 當控制模組26偵測到任一蓄電池23的電壓不符合該 電壓標準範圍261時，該控制模組26會依序使該第二開關 模組222開路、該第一開關模組221導通，此時會中斷本 身電池單元20的充電或放電程序，並產生旁路效果，同時 經由該充電狀態埠242或該放電狀態埠252輸出一旁路狀 態訊號告知該充電單元30《該放電單A 4〇，例㈣3所示 位於中間的電池單元2〇呈現旁路狀態，但不影響其它電 池單元20繼續保持串聯迴路。 藉此，透過每一電池單元的該第一開關模組221、該第 一開關模.组222 ’卩及該電壓標準範261的判斷機制，就 可以使得發生故障的每一電池單元2〇自動形成旁路（ bypass)，於是不但可以中斷故障的電池單元2〇繼續充電或 放電也可以使其它正常的電池單元2〇繼續保持串聯迴路 的關聯，戶斤以應用在電動車時，能達到避免行進中突然停 擺與控制系統當機的使用效果。 准以上所述者，僅為本發明之較佳實施例而已，當不 月:以此限疋本發明實施之範圍，即大凡依本發明中請專利 範圍及說明書内容所作之簡單的等效變化與修飾，皆仍屬 本發明專利涵蓋之範圍内。 201126865 【圖式簡單說明】 圖1是一示意圖，說明本發明具有自動旁路功能的串 聯電池系統的較佳實施例； 圖2是一示意圖’說明該較佳實施例中，所有電池單 7L相互串聯並處於正常狀態的運作情形；及 圖 3 a ——亡 疋—示意圖，說明該較佳實施例中，其中一電池 単兀處於旁路狀態的運作情形。 201126865 【主要元件符號說明】 200… •…串聯電池系統 251… •…放電命令埠 20…… …電池單元 252… •…放電狀態埠 211… 面電位 26•… •…控制模組 212 · '…低電位端 261… …·電壓標準範圍 221 ·· •…第一開關模組 30•… …·充電單元 222 ···· …·第二開關模組 40·· •…放電單元 23…… …·蓄電池 90，… …·負載 241 ·· …充電命令埠 充電狀態埠 242The first switch module 221 is connected in series between the high potential terminal 211 and the low potential terminal 212. The first switch module 222 is connected in series with the battery 23 between the high potential terminal 211 and the low potential terminal 212. The first switch mode, the group 22i and the second switch module in this embodiment. 222 is a transistor switch circuit, and the switch circuit composed of relays can also be used in actual manufacturing. The charge command 埠 241, the charge state 242, the discharge command 251 251, and the discharge state 252 are both optically coupled transmission circuits in this embodiment. The shai control module 26 can detect the voltage of each battery 23 and has a voltage standard range 261 built therein. In the embodiment, the control module 26 uses a battery management system (BMS). The control module 26 can monitor the power state of each battery 23 and can determine whether each battery 23 is abnormally charged or discharged according to the voltage standard range 261. The charging unit 30 is configured to electrically connect an AC power source, and output a DC power source connected in series to the battery cells 20 to form a charging circuit, and can output a charging command to the battery cells 20 in 201126865, the charging unit. The buckle can also receive a bypass status signal 'outputted by the battery unit 2G via the charging material (10) and reduce the voltage of the DC power source in accordance with the number of bypassed (four) battery units 2g. The discharge unit 40 is configured to be connected in series to the battery cells 20 to form a discharge circuit 'and can be divided into the battery cells 2G to take out a discharge command. In the present embodiment, the discharge unit ^Q is a motor controller. The motor controller can be connected to control - a negative 胄 9 组成 composed of a motor, and the discharge unit 4 〇 can also receive a -bypass state signal outputted by each battery unit 2G via the discharge state 252, and cooperate with The output power is adjusted or stopped by the number of battery cells 20 in the bypass state. As shown in FIG. 1, 2, and 3, the following is a description of the use case of the series battery system 2 of the present invention having an automatic bypass function, wherein FIG. 2 and FIG. 3 are used for convenience of description. The line representation simplifies the connection relationship between the charging unit it 30 and the charging command 蟑241, the charging state 蟑242, and the connection relationship between the discharging unit 4〇 and the discharging command 淳25ι, the discharging state 埠252. When the control module 26 of each battery unit 2G receives a charging command from the charging unit 3 () via the charging command bee 24i, the control module 26 sequentially opens the first switching module 221 (〇pen), the second switch module 222 is turned on (sh(m), and outputs a charging state signal to the charging unit 3 via the charging state 4(4), at which time the charging unit 3 〇 the battery cells The charging module 20 performs the charging. Similarly, when the control module 26 of the battery unit 20 receives the discharge command from the discharge unit 4 via the relay 201126865, the control module 26 sequentially The first switch module 221 is open (for example), the second switch module 222 is short, and a discharge state signal is outputted to the discharge unit 4 via the discharge state 252, and the battery cells are 20. The power supply to the discharge unit 40. When the control module 26 detects that the voltage of any of the batteries 23 does not meet the voltage standard range 261, the control module 26 sequentially opens the second switch module 222. The first switch module 221 is turned on, and the current interrupt is interrupted. The charging or discharging process of the battery unit 20 generates a bypass effect, and simultaneously outputs a bypass status signal via the charging state 242 or the discharging state 252 to inform the charging unit 30 of the discharge order A 4 〇, as shown in the example (4) 3 The battery unit 2 in the middle is in a bypass state, but does not affect the other battery unit 20 to continue to maintain the series circuit. Thereby, the first switch module 221, the first switch module group 222' of each battery unit is transmitted.判断 and the judgment mechanism of the voltage standard 261, the battery unit 2〇 of the fault can be automatically formed into a bypass, so that not only the battery unit 2 that can interrupt the fault can continue to be charged or discharged, but also other normal The battery unit 2〇 continues to maintain the correlation of the series circuit, and when the utility model is applied to the electric vehicle, the use effect of avoiding sudden stoppage during travel and the control system crash can be achieved. The embodiment is only when the month is not limited to the scope of the implementation of the present invention, that is, the simplicity of the patent scope and the contents of the specification in the present invention. The effect changes and modifications are still within the scope of the present invention. 201126865 [Simplified Schematic] FIG. 1 is a schematic view showing a preferred embodiment of the series battery system with automatic bypass function of the present invention; A schematic diagram illustrating the operation of all of the battery cells 7L in series and in a normal state in the preferred embodiment; and FIG. 3 a - a diagram of the death - in the preferred embodiment, wherein one of the battery cartridges is in 201126865 [Main component symbol description] 200... •... series battery system 251... •...discharge command 埠20... ...battery unit 252... •...discharge status 埠211... surface potential 26•... •... Control module 212 · '... low potential terminal 261 ... ... voltage standard range 221 · · • ... first switch module 30 • ... ... charging unit 222 · · · · · · second switch module 40 · · ...discharge unit 23 ... ...·battery 90, ... load 241 ... charging command 埠 charging state 埠 242