A high-voltage power battery pack application system wake-up system
A power battery pack and application system technology, applied in the circuit field, can solve problems such as increased complexity and cost, auxiliary power standby, increased energy consumption, etc.
Active Publication Date: 2019-08-09
万德尔新能源科技(北京)有限公司
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Problems solved by technology
[0003] However, for scenarios where external auxiliary power cannot be provided, such as mobile charging treasures, mobile energy storage vehicles, mobile energy storage cabinets, etc., there are two common practices in the industry. One is to use an external independent auxiliary power supply, such as Lead-acid battery packs provide auxiliary power as the BMS power supply, and the other is the long-term high-voltage to low-voltage auxiliary power standby in the battery, which increases the complexity and cost of the actual product application, increases energy consumption, and reduces the actual product. application reliability
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[0060] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.
[0061] figure 1 It is a schematic diagram of a wake-up system of a high-voltage power battery pack application system in an embodiment of the present invention. Such as figure 1 shown, including:
[0062] A high-voltage power battery pack, a system main control unit, a battery pack BMS, a second auxiliary power supply, and a communication circuit; the output of the power battery pack includes a low-voltage output port LVDC and a high-voltage output port HVDC;
[0063] The high voltage output port HVDC is used for power output;
[0064] The high-voltage output port HVDC is also connected to the second auxiliary power supply, and the second auxiliary power supply i...
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The invention discloses a high voltage power battery pack application system wake-up system. The system comprises a high voltage power power battery pack, a system main control unit, a battery pack BMS, a second auxiliary power supply and a communication circuit; power battery pack output comprises a low voltage output port LVDC and a high voltage output port HVDC; the high voltage output port HVDC is connected with the second auxiliary power supply which is connected with the system main control unit and the battery pack BMS; the battery pack BMS is connected with the system main control unitthrough the communication circuit; a group of low voltage connection lines are led out from the low voltage output port LVDC of the high voltage power batter pack and connected to the system main control unit and the battery pack BMS, and a controllable switch is arranged on the low voltage connection lines; the second auxiliary power supply is high-voltage change 12-V isolated auxiliary power supply.
Description
technical field [0001] The invention relates to the field of circuits, in particular to a wake-up system for a high-voltage power battery pack application system. Background technique [0002] With the rapid development of new energy electric vehicles and the vigorous promotion of power battery applications, household energy storage, mobile energy storage charging, etc. The manual operation is closed and disconnected, and the high-voltage battery pack is usually powered by an external auxiliary power supply to activate and wake up the BMS (Battery Management System, battery management system) control circuit in the battery pack. [0003] However, for scenarios where external auxiliary power cannot be provided, such as mobile charging treasures, mobile energy storage vehicles, mobile energy storage cabinets, etc., there are two common practices in the industry. One is to use an external independent auxiliary power supply, such as Lead-acid battery packs provide auxiliary pow...
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IPC IPC(8): B60L58/10B60R25/01B60R25/24B60R25/33
CPCB60L58/10B60R25/01B60R25/24B60R25/33Y02T10/70Y02T90/16
Inventor 王黎黎
Owner 万德尔新能源科技(北京)有限公司