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    BATTERY HEATING CIRCUIT
    7.
    发明申请
    BATTERY HEATING CIRCUIT 审中-公开
    电池加热电路

    公开(公告)号：WO2012013068A1

    公开(公告)日：2012-02-02

    申请号：PCT/CN2011/074442

    申请日：2011-05-20

    Applicant: BYD COMPANY LIMITED ,  XU, Wenhui ,  HAN, Yaochuan ,  FENG, Wei ,  YANG, Qinyao ,  XIA, Wenjin ,  LI, Xianyin

    Inventor： XU, Wenhui ,  HAN, Yaochuan ,  FENG, Wei ,  YANG, Qinyao ,  XIA, Wenjin ,  LI, Xianyin

    IPC: H01M10/42 ,  H01M10/50 ,  H05B3/00 ,  H02J7/00

    CPC classification number: H01L23/345 ,  H01L2924/0002 ,  H01M10/615 ,  H01M10/625 ,  H01M10/651 ,  H01M10/657 ,  H01M10/6571 ,  H01M10/6572 ,  H02J7/0014 ,  H02J7/0054 ,  H02J7/0075 ,  H02J7/0091 ,  H02J7/0093 ,  H02M3/158 ,  Y02E60/12 ,  Y02T10/7055 ,  H01L2924/00

    Abstract: The present invention discloses a battery heating circuit, wherein, the battery comprises a battery E1 and a battery E2, the heating circuit comprises: a first charging/discharging circuit, which is connected with the battery E1, and comprises a damping element R1, a current storage element L1, a first switch unit (1) and a charge storage element C, all of which are connected in series to each other; and a second charging/discharging circuit, which is connected to the battery E2, and comprises a damping element R2, a current storage element L2, a second switch unit (2) and the charge storage element C, all of which are connected in series with each other. The battery heating unit provided in the present invention is applicable to multiple batteries, and can be used to heat up multiple batteries together or separately, and achieve electric quantity balance among the batteries.

    Abstract translation: 本发明公开了一种电池加热电路，其中电池包括电池E1和电池E2，加热电路包括：与电池E1连接的第一充电/放电电路，包括阻尼元件R1， 电流存储元件L1，第一开关单元（1）和电荷存储元件C，它们都彼此串联连接; 以及连接到电池E2的第二充电/放电电路，包括阻尼元件R2，电流存储元件L2，第二开关单元（2）和电荷存储元件C，它们都串联连接 与彼此。 本发明提供的电池加热单元可应用于多个电池，并且可以一起或分开地加热多个电池，并且在电池之间实现电量平衡。

    BATTERY HEATING CIRCUIT
    8.
    发明申请
    BATTERY HEATING CIRCUIT 审中-公开
    电池加热电路

    公开(公告)号：WO2012013065A1

    公开(公告)日：2012-02-02

    申请号：PCT/CN2011/074436

    申请日：2011-05-20

    Applicant: BYD COMPANY LIMITED ,  XU, Wenhui ,  HAN, Yaochuan ,  FENG, Wei ,  YANG, Qinyao ,  XIA, Wenjin ,  MA, Shibin

    Inventor： XU, Wenhui ,  HAN, Yaochuan ,  FENG, Wei ,  YANG, Qinyao ,  XIA, Wenjin ,  MA, Shibin

    IPC: H01M10/42 ,  H01M10/50 ,  H05B3/00 ,  H02J7/00

    CPC classification number: H01M10/5006 ,  H01M10/615 ,  H01M10/625 ,  H01M10/657 ,  H01M10/6571 ,  H02J7/0057 ,  Y02E60/12

    Abstract: A battery heating circuit is provided, wherein the battery comprises a first battery (E1) and a second battery (E2), and the heating circuit comprises a first switch unit (10), a second switch unit (20), a damping element R1, a damping element R2, a current storage element L3, a current storage element L4, a switching control module (100) and an energy storage element V1. The first battery (E1), the damping element R1, the current storage element L3, the energy storage element V1 and the first switch unit (10) are connected in series to constitute a first charging/discharging circuit. The second battery (E2), the damping element R2, the current storage element L4, the energy storage element V1 and the second switch unit (20) are connected in series to constitute a second charging/discharging circuit. When the energy storage element VI is charged or discharges, the direction of charging/discharging current in the second charging/discharging circuit is reverse to the direction of charging/discharging current in the first charging/discharging circuit. The switching control module (100) is electrically connected with the first switch unit (10) and the second switch unit (20) to switch on in alternate, so as to control the electric energy to flow among the first battery (E1), the energy storage element V1 and the second battery (E2). The battery heating circuit can achieve high heating efficiency.

    Abstract translation: 提供了一种电池加热电路，其中电池包括第一电池（E1）和第二电池（E2），加热电路包括第一开关单元（10），第二开关单元（20），阻尼元件R1 阻尼元件R2，电流存储元件L3，电流存储元件L4，开关控制模块（100）和能量存储元件V1。 第一电池（E1），阻尼元件R1，电流存储元件L3，能量存储元件V1和第一开关单元（10）串联连接以构成第一充电/放电电路。 第二电池（E2），阻尼元件R2，电流存储元件L4，能量存储元件V1和第二开关单元（20）串联连接以构成第二充电/放电电路。 当能量存储元件VI被充电或放电时，第二充电/放电电路中的充电/放电电流的方向与第一充电/放电电路中的充电/放电电流的方向相反。 切换控制模块（100）与第一开关单元（10）和第二开关单元（20）电连接以交替接通，以便控制电能在第一电池（E1），第 储能元件V1和第二电池（E2）。 电池加热电路可以实现高加热效率。

    BATTERY HEATING CIRCUIT
    9.
    发明申请
    BATTERY HEATING CIRCUIT 审中-公开
    电池加热电路

    公开(公告)号：WO2012013082A1

    公开(公告)日：2012-02-02

    申请号：PCT/CN2011/074536

    申请日：2011-05-23

    Applicant: BYD COMPANY LIMITED ,  HAN, Yaochuan ,  XU, Wenhui ,  FENG, Wei ,  YANG, Qinyao ,  XIA, Wenjin ,  LI, Xianyin

    Inventor： HAN, Yaochuan ,  XU, Wenhui ,  FENG, Wei ,  YANG, Qinyao ,  XIA, Wenjin ,  LI, Xianyin

    IPC: H01M10/42 ,  H01M10/50 ,  H02J7/00

    CPC classification number: H01L23/345 ,  H01L2924/0002 ,  H01M10/615 ,  H01M10/625 ,  H01M10/651 ,  H01M10/657 ,  H01M10/6571 ,  H01M10/6572 ,  H02J7/0014 ,  H02J7/0054 ,  H02J7/0075 ,  H02J7/0091 ,  H02J7/0093 ,  H02M3/158 ,  Y02E60/12 ,  Y02T10/7055 ,  H01L2924/00

    Abstract: The present invention provides a battery heating circuit, comprising a switch unit (1), a switching control module (100), a damping element R1, an energy storage circuit, a freewheeling circuit (20), and an energy superposition unit, the energy storage circuit is designed to connect with the battery to form a loop, and comprises a current storage element L1 and a charge storage element C1; the damping element R1, the switch unit (1), the current storage element L1, and the charge storage element C1 are connected in series; the switching control module (100) is connected with the switch unit (1), and is designed to control ON/OFF of the switch unit (1), so as to control the energy flowing between the battery and the energy storage circuit; the energy superposition unit is connected with the energy storage circuit, and is designed to superpose the energy in the energy storage circuit with the energy in the battery when the switch unit (1) switches on and then switches off; the freewheeling circuit (20) is designed to form a serial loop with the battery and the current storage element L1 to sustain current flow in the battery after the switch unit (1) switches on and then switches off.

    Abstract translation: 本发明提供一种电池加热电路，包括开关单元（1），开关控制模块（100），阻尼元件R1，能量存储电路，续流电路（20）和能量叠加单元，能量 存储电路被设计为与电池连接以形成环路，并且包括电流存储元件L1和电荷存储元件C1; 阻尼元件R1，开关单元（1），电流存储元件L1和电荷存储元件C1串联连接; 开关控制模块（100）与开关单元（1）连接，并被设计成控制开关单元（1）的接通/断开，以控制电池和能量存储电路之间的能量流动; 能量叠加单元与能量存储电路连接，并且被设计为当开关单元（1）接通然后断开时，将能量存储电路中的能量与电池中的能量叠加; 续流电路（20）被设计成与电池和电流存储元件L1形成串联回路，以在开关单元（1）接通然后断开之后维持电池中的电流流动。

    BATTERY HEATING CIRCUIT
    10.
    发明申请
    BATTERY HEATING CIRCUIT 审中-公开
    电池加热电路

    公开(公告)号：WO2012013076A1

    公开(公告)日：2012-02-02

    申请号：PCT/CN2011/074460

    申请日：2011-05-20

    Applicant: BYD COMPANY LIMITED ,  XU, Wenhui ,  HAN, Yaochuan ,  FENG, Wei ,  YANG, Qinyao ,  XIA, Wenjin ,  MA, Shibin

    Inventor： XU, Wenhui ,  HAN, Yaochuan ,  FENG, Wei ,  YANG, Qinyao ,  XIA, Wenjin ,  MA, Shibin

    IPC: H01M10/42 ,  H01M10/50 ,  H05B3/00 ,  H02J7/00

    CPC classification number: H01L23/345 ,  H01L2924/0002 ,  H01M10/615 ,  H01M10/625 ,  H01M10/651 ,  H01M10/657 ,  H01M10/6571 ,  H01M10/6572 ,  H02J7/0014 ,  H02J7/0054 ,  H02J7/0075 ,  H02J7/0091 ,  H02J7/0093 ,  H02M3/158 ,  Y02E60/12 ,  Y02T10/7055 ,  H01L2924/00

    Abstract: A battery heating circuit, comprising a switch unit (1), a switching control module (100), a damping element R1, an energy storage circuit, an energy limiting circuit, and an energy control unit for energy storage circuit, wherein, the energy storage circuit is connected with the battery, and comprises a current storage element L1 and a charge storage element C1; the damping element R1, switch unit (1), current storage element L1, and charge storage element C1 are connected in series; the switching control module (100) is connected with the switch unit (1), and is designed to control ON/OFF of the switch unit (1), so that the energy can flow to and fro between the battery and the energy storage circuit when the switch unit (1) switches on; the energy limiting circuit is designed to limit the magnitude of current flowing from the energy storage circuit to the battery; the energy control unit for energy storage circuit is connected with the energy storage circuit, and is designed to control the energy conversion in the energy storage circuit to a preset value after the switching control module (100) controls the switch unit (1) to switch on and then switch off. Using the heating circuit provided in the present invention, safety problem caused by overcurrent in the heating loop can be avoided, and therefore the battery can be protected effectively.

    Abstract translation: 一种电池加热电路，包括开关单元（1），开关控制模块（100），阻尼元件R1，能量存储电路，能量限制电路和用于能量存储电路的能量控制单元，其中，能量 存储电路与电池连接，并且包括电流存储元件L1和电荷存储元件C1; 阻尼元件R1，开关单元（1），蓄电元件L1和电荷存储元件C1串联连接; 切换控制模块（100）与开关单元（1）连接，并被设计成控制开关单元（1）的接通/断开，使得能量能够在电池和能量存储电路之间来回流动 当开关单元（1）接通时; 能量限制电路被设计为限制从储能电路流向电池的电流的大小; 能量存储电路的能量控制单元与能量存储电路连接，并且被设计成在开关控制模块（100）控制开关单元（1）切换之后，将能量存储电路中的能量转换控制为预设值 然后关闭。 使用本发明提供的加热电路，能够避免加热回路中的过电流引起的安全问题，能够有效地保护电池。

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