An address allocation method for an energy storage battery management system
A management system and energy storage battery technology, applied in the direction of battery disconnection circuit, battery circuit device, collector, etc., can solve the problems of different software codes, easy loosening of DIP switches, heavy workload, etc., to simplify hardware circuits, Effects of improving reliability and flexibility and reducing system cost
Active Publication Date: 2017-05-03
ZHEJIANG NARADA POWER SOURCE CO LTD +1
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Problems solved by technology
The disadvantages of this method are: (1) increase the complexity of hardware circuit design; (2) manual operation is prone to errors; (3) the dial switch is easy to loose, resulting in wrong dialing, resulting in wrong address assignment
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[0021] The present invention will be further described below in conjunction with drawings and embodiments.
[0022] Such as figure 1 , The energy storage battery management system of the present invention includes a battery management unit (BMU) and a battery string unit (BCU). The communication between the battery management unit (BMU) and the battery string unit (BCU) can be by means of CAN communication, RS485 communication or SPI communication, preferably by CAN communication. CAN is the abbreviation of Controller Area Network (CAN), which is a serial communication bus specially developed by Bosch Company of Germany for the automotive industry in the 1980s. CAN bus has high performance, high reliability and good error detection ability, and is widely used in the fields of automobile industry, aviation industry, industrial control, safety protection and so on. The communication between each battery management unit (BMU) is the same as that between the battery management u...
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The invention discloses an address assignment method for an energy storage battery management system. The energy storage battery management system includes a battery management unit and battery string units. The battery management unit is in communication with the battery string units by buses, and the battery string units are also in mutual communication by buses. The energy storage battery management system can be used for battery strings applied in series connection manner such as lead-acid storage batteries and lithium ion batteries. According to the address assignment method, the address of the battery management unit is automatically configured. If the battery management unit is applied to a test stage, the address is not stored, and after outage, the assigned address is invalid; if the battery management unit is applied to an installation and use stage, the address is stored, the unique address is assigned to each battery management unit according to rules, and after outage, the assigned addresses are not invalidated. The battery management unit also has the functions of changing and clearing addresses. According to the address assignment method provided by the invention, no hardware circuits are needed, the circuit structure is simplified, the addresses can be automatically assigned and changed, and the reliability and flexibility of the system are improved.
Description
technical field [0001] The invention relates to an address allocation method of an energy storage battery management system. Background technique [0002] In an energy storage power station, the energy storage battery system usually consists of dozens or even hundreds of batteries, and these batteries require a dedicated battery management system for unified detection and control. This battery management system includes a battery management unit (BMU), a battery string unit (BCU) and a battery array unit (BAU). A battery management unit (BMU) manages a battery pack consisting of several single cells. A battery string unit (BCU) manages all battery management units (BMUs) under its jurisdiction. A battery array unit (BAU) manages all battery string units (BCU) under its jurisdiction. A battery string unit (BCU) needs to communicate with multiple battery management units (BMU), so each battery management unit (BMU) needs to have a unique address to distinguish it. At prese...
Claims
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IPC IPC(8): H02J7/00
CPCH02J7/0031
Inventor 毛良平陈威吴贤章严虹
Owner ZHEJIANG NARADA POWER SOURCE CO LTD