Storage battery capacity control system of rail transit vehicle-mounted power system and detection method thereof

A vehicle-mounted power supply and rail transit technology, which is applied in the measurement of electrical variables, measurement of electricity, measurement devices, etc., can solve the problem of inability to accurately detect the battery capacity of the battery, and achieve the effect of avoiding premature failure and protecting over-discharge.

Inactive Publication Date: 2020-04-21
荷贝克电源系统(溧阳)有限公司
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a battery capacity control system for rail transit on-board power system to solve the problem in the prior art that it is impossible to accurately detect the battery capacity of the battery and ensure the safe use of the battery

Method used

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  • Storage battery capacity control system of rail transit vehicle-mounted power system and detection method thereof
  • Storage battery capacity control system of rail transit vehicle-mounted power system and detection method thereof

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Embodiment Construction

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0024] see figure 1 , the present invention provides a technical solution: a storage battery capacity control system for a rail transit on-board power supply system, characterized in that it includes a storage battery, an on-board charger, a battery management system and a standard resistor, and the on-board charger corresponds to the positive and negative poles of the battery The standard resistor is connected in series between the positive terminal of the ba...

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Abstract

The invention relates to the technical field of power supply control, in particular to a storage battery capacity control system of a rail transit vehicle-mounted power system. The system comprises astorage battery, a vehicle-mounted charger, a battery management system and a standard resistor. The vehicle-mounted charger is correspondingly connected with a positive electrode and a negative electrode of the storage battery; the standard resistor is connected in series between the positive electrode end of the storage battery and the positive electrode end of the vehicle-mounted charger; a signal acquisition terminal of the battery management system is connected with the two ends of the standard resistor respectively; the positive electrode end of the storage battery is connected with thepositive electrode end of the vehicle-mounted load through the standard resistor; and the output terminal of the battery management system is connected with a PLC control terminal of the vehicle-mounted charger. According to the invention, the real condition of the storage battery can be correctly reflected in real time, so that the charging and discharging of the storage battery can be controlled, the over-discharge of the storage battery can be protected, and the advanced failure of the storage battery can be avoided.

Description

technical field [0001] The invention relates to the technical field of power supply control, and the specific field is a storage battery capacity control system for a rail transit on-board power supply system. Background technique [0002] With the rapid growth of China's economy and the development trend of urbanization, China's high-speed rail and rail transit, as its important means of transportation, undoubtedly have strategic significance. Especially the current intelligentization and the advancement of artificial intelligence have put forward higher technical requirements for high-speed rail and rail transit. [0003] The traditional on-board power supply system for rail transit does not have precise control over the capacity of the battery. Generally, it is estimated by the change of the output voltage of the battery, so as to judge the condition of the battery. Since batteries used in traditional rail transit vehicles are used as backup batteries or auxiliary power ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/3828
CPCG01R31/3828
Inventor 项俊
Owner 荷贝克电源系统(溧阳)有限公司
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