Battery Pack and Its Management System Based on Carrier Communication Technology
A technology of carrier communication and carrier communication module, which is applied in the direction of secondary battery, secondary battery repair/maintenance, circuit, etc. It can solve the problems of complicated auxiliary lines, high maintenance cost, and poor battery consistency repair effect, so as to improve the independence Performance, design and maintenance are simple
Active Publication Date: 2015-12-23
CALB CO LTD
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Problems solved by technology
[0006] The purpose of the present invention is to provide a battery pack based on carrier communication technology to solve the problems of complicated auxiliary lines and high maintenance costs in the management of existing battery packs
[0007] Another object of the present invention is to provide a battery pack management system based on carrier communication technology to solve the problems of complex auxiliary circuits, high maintenance costs, and poor battery consistency repair effect in existing battery management systems
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[0019] 1. Battery pack based on carrier communication technology
[0020] Such as figure 2 As shown, the battery pack based on carrier communication technology includes each single battery monitoring module, and the single battery monitoring module includes a microprocessor and a carrier communication module for communicating with the main monitoring device, and the microprocessor is connected through the carrier communication module to the terminal of the corresponding cell. The carrier communication module is used to convert the signal transmitted by the microprocessor into a high-frequency signal. Its digital terminal is connected to the microprocessor, and its analog terminal is connected to the terminal of the corresponding battery. The carrier communication module can be an AD / DA converter or a other devices with this conversion capability.
[0021] The single battery monitoring module includes an acquisition processing module composed of a monitoring sensor connected...
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The invention relates to a battery pack based on carrier communication technology, and a management system thereof. The management system of the battery pack comprises a main monitoring device, a battery pack and single battery monitoring modules comprising microprocessors, wherein the single battery monitoring modules are connected with the main monitoring device in a carrier communication manner by using primary loops formed when the battery pack is in a working state as carrier channels; the microprocessors are connected to the primary loops of corresponding single batteries through carrier communication modules; and a communication interface of the main monitoring device is coupled to the primary loop. By adopting the carrier communication technology, status information of the single batteries are transferred into high-frequency signals superimposed on a primary main loop of the system; the high-frequency signals uploaded by the single battery monitoring modules are obtained by the carrier communication device; and further the status information of the batteries is obtained by treating the high-frequency signals, thereby omitting conventional externally affiliated power supply and communication lines and allowing the design and maintenance of the management system of the battery pack to be relatively simple and durable.
Description
technical field [0001] The invention belongs to the technical field of battery management, and relates to a battery pack based on carrier communication technology and a management system thereof. Background technique [0002] With the increasing maturity of battery technology, the field of battery application continues to expand, and the number of applications is increasing. Generally, in battery application technology, series or parallel groups are used to expand the capacity of the battery system. In the daily application of the battery system, it is necessary to monitor key state information such as voltage, temperature, current, and SOC of each single battery in the battery system in real time, and perform corresponding charge and discharge operations based on the above state information. [0003] In addition, there is a wooden barrel effect in the battery power system composed of many single batteries, that is, the available capacity of the entire battery power system ...
Claims
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IPC IPC(8): H01M10/42H01M10/48
CPCY02E60/10
Inventor 朱建锦臧思佳陈海燕程永周冯慧敏王进军
Owner CALB CO LTD