Lead-acid battery high-current balance DSP control system
A lead-acid battery and control system technology, which is applied in the direction of charge equalization circuit, battery overcurrent protection, battery circuit device, etc. It can solve the problems of few systems with large current equalization, and the discharge current of discharge resistors is difficult to meet fast equalization. Achieve the effect of simple structure, good balance effect and low maintenance cost
Inactive Publication Date: 2016-11-30
GUILIN UNIVERSITY OF TECHNOLOGY
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Problems solved by technology
When the capacity of the lead-acid battery is relatively large, the discharge current of the discharge resistor will hardly meet the requirements of fast equalization
If the power of the discharge resisto
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[0014] The present invention will be further described below in conjunction with the accompanying drawings.
[0015] The following description serves to disclose the present invention to enable those skilled in the art to carry out the present invention. The preferred embodiments described below are only examples, and those skilled in the art can devise other obvious variations. The basic principles of the present invention defined in the following description can be applied to other embodiments, variations, improvements, equivalents and other technical solutions without departing from the spirit and scope of the present invention.
[0016] Such as figure 1 As shown, a lead-acid battery high-current balance DSP control system, including lead-acid battery pack, high-current discharge resistor R (high-power resistor with radiator), lead-acid battery voltage detection module, DSP controller and protection device , wherein the lead-acid battery pack includes at least two lead-ac...
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The invention discloses a lead-acid battery high-current balance DSP control system. The lead-acid battery high-current balance DSP control system comprises at least two lead-acid batteries connected in series, first contactors and second contactors with the same number as the lead-acid batteries, a high-current discharge resistor, a lead-acid battery voltage detection module, a DSP controller and a protection apparatus. The DSP controller obtains a voltage of each lead-acid battery through the lead-acid battery voltage detection module; and when the balance degree between the lead-acid batteries is greater than a set threshold, the lead-acid battery with the maximum voltage is discharged through the high-current discharge resistor according to a set time. The system adopts a DSP as a main balance controller, so that the system cost is reduced; the system adopts a contactor matrix for realizing high-current discharge of the lead-acid batteries, so that the reliability of balance is improved and high-current discharge is realized; and the system is simple in structure, convenient in operation, safe, reliable and good in balance effect.
Description
technical field [0001] The invention belongs to the technical field of equalization of lead-acid battery packs, in particular to a large-current equalization DSP control system for lead-acid batteries. Background technique [0002] The development of fuel vehicles has caused a huge consumption of oil resources, the deepening of the global energy crisis, and at the same time aggravated the harm of the greenhouse effect and air pollution. Most countries, governments and automobile companies in the world generally recognize that energy saving and emission reduction is the future development direction of the automobile industry, and the development of electric vehicles will be the best way to solve this difficulty. Electric vehicles have the advantages of low noise, no exhaust emissions, environmental friendliness, high thermal efficiency, low emissions, recyclable utilization, and improved energy structure. Various automobile manufacturers are actively developing electric vehi...
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Login to View More IPC IPC(8): H02J7/00H01M10/44
CPCH01M10/441H02J7/0016H02J7/0029H02J7/00304Y02E60/10
Inventor 钟志贤张烈平
Owner GUILIN UNIVERSITY OF TECHNOLOGY