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Method for correcting measuring current of storage battery and device thereof

A technology for battery and voltage measurement, applied in measurement devices, measurement of current/voltage, measurement of electrical variables, etc., can solve problems such as powerlessness

Inactive Publication Date: 2015-02-11
SAIC MOTOR
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although the industry has proposed a variety of methods for temperature compensation of Hall sensors, these compensation methods are still unable to deal with the large dynamic range of temperature.

Method used

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  • Method for correcting measuring current of storage battery and device thereof
  • Method for correcting measuring current of storage battery and device thereof
  • Method for correcting measuring current of storage battery and device thereof

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Embodiment Construction

[0041] The specific embodiments are described below to illustrate the present invention by referring to the figures. However, it should be understood that these specific embodiments are only exemplary, and have no limiting effect on the spirit and protection scope of the present invention.

[0042] In this specification, the word "coupling" should be understood as including the situation of direct transmission of energy or signals between two units, or the situation of indirect transmission of energy or signals via one or more third units, and the Signals include, but are not limited to, those in electrical, optical, and magnetic forms. In addition, terms such as "comprising" and "comprising" indicate that in addition to the units and steps that are directly and explicitly stated in the specification and claims, the technical solution of the present invention does not exclude any elements that are not directly or explicitly stated. The situation of other units and steps. Fur...

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Abstract

The invention relates to the technology of automobile electronics, and particularly relates to a method for correcting measuring current of an automobile storage battery and an automobile electronic controller based on the method. According to the SOC confirmation method of the storage battery used for automobile start-stop control, the method comprises the following steps that a voltage measuring signal of a Hall element is received; current in an electrified conductive line is confirmed according to the voltage measuring signal; current is corrected according to the state of an automobile power generator and electricity utilization equipment; and integration is performed on the correction value of current on the aspect of time so that the SOC value of the storage battery is obtained.

Description

technical field [0001] The invention relates to automobile electronic technology, in particular to a method for correcting the measured current of an automobile storage battery and an automobile electronic controller based on the method. Background technique [0002] In order to improve energy efficiency, start-stop control is being used more and more in automobiles. During a typical start-stop control process, when the brake pedal is pressed, the stop-start control system will check whether the following conditions are met at the same time: 1) the engine is idling and no gear is engaged; 2) the wheel speed sensor shows zero; and 3) The battery sensor shows that the battery has enough power for the next start. Only when the above conditions are met at the same time does the start-stop system shut down the engine and automatically start the engine after the brake pedal is released. [0003] The SOC state of the battery reflects the amount of electricity stored in it, so acc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R19/00
Inventor 邓恒吴春建
Owner SAIC MOTOR
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