Battery load capacity monitoring control method and system

A load-carrying capacity, monitoring and control technology, applied in the direction of measuring electricity, measuring devices, measuring electrical variables, etc., can solve the problems of not considering the battery, difficult to measure the output voltage of the battery accurately, and unable to stably display the remaining capacity of the battery, etc. Stabilize remaining capacity, prevent system problems, and avoid the effect of battery floating

Active Publication Date: 2018-06-05
SHENZHEN H&T INTELLIGENT CONTROL
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Problems solved by technology

[0004] In the process of realizing the present invention, the inventor found that there are at least the following problems in the prior art: the prior art does not consider the influence of the actual internal resistance of the battery on the output voltage value of the battery, it is difficult to accurately measure the output voltage of the battery, and thus cannot stabilize Display the remaining capacity of the battery

Method used

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  • Battery load capacity monitoring control method and system
  • Battery load capacity monitoring control method and system
  • Battery load capacity monitoring control method and system

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Embodiment Construction

[0054] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.

[0055] The battery is a basic and commonly used DC power supply in electronic equipment, and it has a limited capacity. Therefore, the output voltage and remaining capacity of the battery must be monitored in real time to prevent system instability or abnormality caused by overload. Generally, in the prior art, such as figure 1 As shown, the voltage value V_AD is sampled by means of resistor di...

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Abstract

The invention provides a battery load capacity monitoring control method and system (10). The system includes a control unit (11) and a measurement load unit (12). The control unit and the measurementload unit are connected with a to-be-detected battery (20) in parallel. The measurement load unit includes a measurement load (121) and a measurement load switch drive circuit (122) connected with the measurement load. The measurement load switch drive circuit is connected with a control unit and is used for receiving first control signals sent by the control unit and controlling connection and disconnection between the measurement load and the battery according to the first control signals. According to the invention, battery floating voltage can be avoided, voltage detection accuracy is improved and residual capacity of the battery is displayed more stably.

Description

technical field [0001] The present invention relates to the technical field of battery monitoring, in particular to a method and system for monitoring and controlling battery loading capacity. Background technique [0002] As a basic DC power supply in electronic equipment, the battery must be monitored in real time for its output voltage and remaining capacity to prevent system instability or abnormality due to overload. [0003] in such as figure 1 In the prior art shown, the voltage value is sampled by means of resistive voltage division, and then digital-to-analog conversion is performed to calculate the output voltage value of the battery, and finally the remaining capacity of the battery is estimated according to the output voltage of the battery and the charge-discharge curve of the battery . [0004] In the process of realizing the present invention, the inventor found that there are at least the following problems in the prior art: the prior art does not consider ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/36
CPCG01R31/389G01R31/392
Inventor 邹志华
Owner SHENZHEN H&T INTELLIGENT CONTROL
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