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    • 3. 发明申请
    • BATTERY HEATING CIRCUIT
    • 电池加热电路
    • WO2012013065A1
    • 2012-02-02
    • PCT/CN2011/074436
    • 2011-05-20
    • BYD COMPANY LIMITEDXU, WenhuiHAN, YaochuanFENG, WeiYANG, QinyaoXIA, WenjinMA, Shibin
    • XU, WenhuiHAN, YaochuanFENG, WeiYANG, QinyaoXIA, WenjinMA, Shibin
    • H01M10/42H01M10/50H05B3/00H02J7/00
    • H01M10/5006H01M10/615H01M10/625H01M10/657H01M10/6571H02J7/0057Y02E60/12
    • 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.
    • 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。
    • 6. 发明申请
    • BATTERY HEATING CIRCUIT
    • 电池加热电路
    • WO2012013081A1
    • 2012-02-02
    • PCT/CN2011/074531
    • 2011-05-23
    • BYD COMPANY LIMITEDHAN, YaochuanXU, WenhuiFENG, WeiYANG, QinyaoXIA, WenjinLI, Xianyin
    • HAN, YaochuanXU, WenhuiFENG, WeiYANG, QinyaoXIA, WenjinLI, Xianyin
    • H01M10/42H01M10/50H05B3/00H02J7/00
    • H01L23/345H01L2924/0002H01M10/615H01M10/625H01M10/651H01M10/657H01M10/6571H01M10/6572H02J7/0014H02J7/0054H02J7/0075H02J7/0091H02J7/0093H02M3/158Y02E60/12Y02T10/7055H01L2924/00
    • A battery heating circuit is provided, which comprises a switch unit (1), a switching control module (100), a damping element R1, an energy storage circuit and an energy superposition unit. 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, 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 switching control module (100) is also designed to control the switch unit (1) to switch off after the first positive half cycle of current flows through the switch unit (1) after the switch (1) switches on and the voltage applied to the switch unit (1) at the time the switch unit (1) switches off is lower than the voltage rating of the switch unit (1).
    • 提供了一种电池加热电路,其包括开关单元(1),开关控制模块(100),阻尼元件R1,能量存储电路和能量叠加单元。 能量存储电路与电池连接,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。 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,以便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,并且设计成当开关单元(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。 开关控制模块(100)还被设计成在开关(1)接通之后流经开关单元(1)的电流的第一正半周期之后控制开关单元(1)关闭,并且施加到 开关单元(1)关断时的开关单元(1)低于开关单元(1)的额定电压。
    • 7. 发明申请
    • BATTERY HEATING CIRCUIT
    • 电池加热电路
    • WO2012013072A1
    • 2012-02-02
    • PCT/CN2011/074456
    • 2011-05-20
    • BYD COMPANY LIMITEDXU, WenhuiHAN, YaochuanFENG, WeiYANG, QinyaoXIA, WenjinMA, Shibin
    • XU, WenhuiHAN, YaochuanFENG, WeiYANG, QinyaoXIA, WenjinMA, Shibin
    • H01M10/42H01M10/50H05B3/00H02J7/00
    • H01L23/345H01L2924/0002H01M10/615H01M10/625H01M10/651H01M10/657H01M10/6571H01M10/6572H02J7/0014H02J7/0054H02J7/0075H02J7/0091H02J7/0093H02M3/158Y02E60/12Y02T10/7055H01L2924/00
    • A battery heating circuit is provide, which comprises a switch unit (1), a switching control module (100), a damping element R1, an energy storage circuit, and a freewheeling circuit (20). The energy storage circuit is connected with the battery (E), 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 configured to control ON/OFF of the switch unit (1), so that the energy can flow to and fro between the battery (E) and the energy storage circuit when the switch unit (1) switches on, and the amplitude of the current flowing from the energy storage circuit to the battery (E) can be controlled. The freewheeling circuit (20) is configured to sustain the current flowing to the battery (E) when the current flows from the energy storage circuit to the battery (E) and after the switch unit (1) switches off. The battery heating circuit can avoid the safety problem caused by overcurrent in the heating circuit, so as to protect the battery efficiently.
    • 提供一种电池加热电路,其包括开关单元(1),开关控制模块(100),阻尼元件R1,能量存储电路和续流电路(20)。 能量存储电路与电池(E)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),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,并且被配置为控制开关单元(1)的接通/断开,使得能量能够在电池(E)和 当开关单元(1)接通时能量存储电路,并且可以控制从能量存储电路流向电池(E)的电流的幅度。 续流电路(20)被配置为当电流从能量存储电路流向电池(E)并且在开关单元(1)关断之后,维持流向电池(E)的电流。 电池加热电路可以避免加热电路中的过电流引起的安全问题,从而有效保护电池。
    • 8. 发明申请
    • BATTERY HEATING CIRCUIT
    • 电池加热电路
    • WO2012013071A1
    • 2012-02-02
    • PCT/CN2011/074455
    • 2011-05-20
    • BYD COMPANY LIMITEDXU, WenhuiHAN, YaochuanFENG, WeiYANG, QinyaoXIA, WenjinMA, ShibinLI, Xianyin
    • XU, WenhuiHAN, YaochuanFENG, WeiYANG, QinyaoXIA, WenjinMA, ShibinLI, Xianyin
    • H01M10/42H01M10/50H02J7/00
    • H01L23/345H01L2924/0002H01M10/615H01M10/625H01M10/651H01M10/657H01M10/6571H01M10/6572H02J7/0014H02J7/0054H02J7/0075H02J7/0091H02J7/0093H02M3/158Y02E60/12Y02T10/7055H01L2924/00
    • A battery heating circuit is provided, comprising a first switch unit (11), a second switch unit (12), a third switch unit (13), a fourth switch unit (14), a switching control module (100), a damping element R1, a current storage element L1, and a charge storage element C1; the damping element R1 and current storage element L1 are designed to connect with the battery in series to form a branch; the first switch unit (11) and second switch unit (12) are connected in series with each other and then connected in parallel with the branch; the third switch unit (13) and fourth switch unit (14) are connected in series with each other and then connected in parallel with the branch; the charge storage element C1 is connected in series between the junction point of the first switch unit (11) and second switch unit (11) and the junction point of the third switch unit (13) and fourth switch unit (14), so that the first switch unit (11), charge storage element C1, and third switch unit (13) form a first branch designed to transfer energy from the battery to the charge storage element C1 and a second branch designed to transfer energy from the charge storage element C1 to the battery, and the fourth switch unit (14), charge storage element C1, and second switch unit (12) form a third branch designed to transfer energy from the battery to the charge storage element C1 and a fourth branch designed to transfer energy from the charge storage element C1 to the battery; the switching control module (100) is connected with the first switch unit (11), second switch unit (12), third switch unit (13), and fourth switch unit (14) respectively, and is designed to control ON/OFF of the first switch unit (11), second switch unit (12), third switch unit (13), and fourth switch unit (14), so as to control the energy flow between the battery and the charge storage element C1.
    • 提供一种电池加热电路,包括第一开关单元(11),第二开关单元(12),第三开关单元(13),第四开关单元(14),开关控制模块(100),阻尼 元件R1,电流存储元件L1和电荷存储元件C1; 阻尼元件R1和电流存储元件L1被设计成串联连接电池以形成分支; 第一开关单元(11)和第二开关单元(12)彼此串联连接,然后与分支并联连接; 第三开关单元(13)和第四开关单元(14)彼此串联连接,然后与分支并联连接; 电荷存储元件C1串联连接在第一开关单元(11)和第二开关单元(11)的接合点和第三开关单元(13)和第四开关单元(14)的接合点之间,使得 第一开关单元(11),电荷存储元件C1和第三开关单元(13)形成第一支路,设计成将能量从电池传递到电荷存储元件C1,第二支路被设计成从电荷存储元件 C1和电池,第四开关单元(14),电荷存储元件C1和第二开关单元(12)形成第三分支,设计成将电能从电池传送到电荷存储元件C1,第四支路被设计成传输 从电荷存储元件C1到电池的能量; 开关控制模块(100)分别与第一开关单元(11),第二开关单元(12),第三开关单元(13)和第四开关单元(14)连接,并被设计成控制 第一开关单元(11),第二开关单元(12),第三开关单元(13)和第四开关单元(14),以便控制电池和电荷存储元件C1之间的能量流动。
    • 10. 发明申请
    • BATTERY HEATING CIRCUIT
    • 电池加热电路
    • WO2012013066A1
    • 2012-02-02
    • PCT/CN2011/074438
    • 2011-05-20
    • BYD COMPANY LIMITEDXU, WenhuiHAN, YaochuanFENG, WeiYANG, QinyaoXIA, WenjinMA, Shibin
    • XU, WenhuiHAN, YaochuanFENG, WeiYANG, QinyaoXIA, WenjinMA, Shibin
    • H01M10/42H01M10/50H05B3/00H02J7/00
    • H01L23/345H01L2924/0002H01M10/615H01M10/625H01M10/651H01M10/657H01M10/6571H01M10/6572H02J7/0014H02J7/0054H02J7/0075H02J7/0091H02J7/0093H02M3/158Y02E60/12Y02T10/7055H01L2924/00
    • The present invention provides a battery heating circuit, wherein, the battery comprises a first battery (E1) and a second battery (E2), 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 L1, a current storage element L2, a switching control module (100) and a charge storage element C, the first battery, damping element R1, current storage element L1, first switch unit (10) and charge storage element C are connected in series to form a first charging/discharging circuit; the second battery (E2), damping element R2, current storage element L2, charge storage element C and second switch unit (20) are connected in series to form a second charging/discharging circuit; when the charge storage element C is charged or discharges, the direction of charging/discharging current inthe second charging/discharging circuit is reverse to the direction of charging/discharging current inthe first charging/discharging circuit; the switching control module (100) is electrically connected with the first switch unit (10) and second switch unit (20), and is configured to control the electric energy flow between the first battery (E1), charge storage element C and second battery (E2). The battery heating circuit of the present invention can achieve high heating efficiency.
    • 本发明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L1,电流存储元件L2,开关控制模块(100)和电荷存储元件C,第一电池,阻尼元件R1,电流存储元件L1,第一开关单元 (10)和电荷存储元件C串联连接以形成第一充电/放电电路; 第二电池(E2),阻尼元件R2,电流存储元件L2,电荷存储元件C和第二开关单元(20)串联连接以形成第二充电/放电电路; 当电荷存储元件C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; 开关控制模块(100)与第一开关单元(10)和第二开关单元(20)电连接,并且被配置为控制第一电池(E1),电荷存储元件C和第二电池 (E2)。 本发明的电池加热电路可以实现高的加热效率。