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Synchronous detection battery sensor

A battery sensor and synchronous detection technology, applied in the field of sensors, can solve the problems of limiting the potential of the energy storage battery management system, the inability to judge the validity of the detection data, and the inability to predict the change of working conditions, etc., to achieve the effect of synchronous detection and flexible configuration

Inactive Publication Date: 2014-06-04
江苏易美新思新能源科技有限公司
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AI Technical Summary

Problems solved by technology

[0002] In the application of various fast-charging energy storage systems such as extended-range electric vehicles, hybrid vehicles and electric forklifts, the working conditions of the system will change rapidly and drastically. The energy storage battery management system will monitor the battery status in real time, and Evaluate the state of the battery, but the current energy storage system is a relatively independent system. Because it cannot predict the change of working conditions, it cannot judge the validity of the detection data and make a more accurate evaluation of the battery, which greatly limits the energy storage battery. management system potential

Method used

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  • Synchronous detection battery sensor

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Embodiment Construction

[0011] The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0012] Such as figure 1 As shown, a synchronous detection battery sensor includes a resistor array, a multiplexer for sampling channels, a first PGA, a second PGA, a first ADC, a second ADC, a digital processor, a state machine, a clock module, and a communication module and memory.

[0013] The output end of the resistance array is connected to the input end of the multiplexer of the sampling channel, and the output end of the multiplexer of the sampling channel is respectively connected to the input ends of the first PGA and the second PGA, and the first PGA The output end of the first ADC is connected to the input end of the first ADC, the output end of the second PGA is connected to the in...

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Abstract

The invention discloses a synchronous detection battery sensor which comprises a resistor array, a multiplexer for sampling channels, a first PGA, a second PGA, a first ADC, a second ADC, a digital processor, a state machine, a clock module, a communication module and a memorizer. Through the multi-channel high-precision ADC design technology, the digital processor receives synchronous signals sent by an energy storage battery management system through the communication module so that synchronization of the digital processor and the energy storage battery management system can be achieved; running of all the modules is controlled by the state machine, and therefore synchronous detection of voltage and current is achieved; one channel is formed by the first PGA and the first ADC, another channel is formed by the second PGA and the second ADC, the dual-channel technology is adopted, and therefore flexible configuration can be achieved.

Description

technical field [0001] The invention relates to a sensor, in particular to a synchronous detection battery sensor. Background technique [0002] In the application of various fast-charging energy storage systems such as extended-range electric vehicles, hybrid vehicles and electric forklifts, the working conditions of the system will change rapidly and drastically. The energy storage battery management system will monitor the battery status in real time, and Evaluate the state of the battery, but the current energy storage system is a relatively independent system. Because it cannot predict the change of working conditions, it cannot judge the validity of the detection data and make a more accurate evaluation of the battery, which greatly limits the energy storage battery. management system potential. Therefore, there is a need for a battery sensor that supports synchronous monitoring, which can synchronize the energy storage battery management system and perform dynamic pa...

Claims

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Application Information

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IPC IPC(8): G01R31/36
Inventor 侯晓华郭维
Owner 江苏易美新思新能源科技有限公司
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