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Fuel cell monolithic voltage inspection system based on LTC6803

A fuel cell and monolithic voltage technology, applied in the field of monitoring, can solve the problems of low reliability, susceptibility to external interference, and low precision

Inactive Publication Date: 2015-11-11
KUSN FUERSAI ENERGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the traditional fuel cell monolithic voltage inspection system is designed with discrete components such as resistors, operational amplifiers, and ADCs (Analog-to-Digital Converter, Analog-to-Digital Converter). interference, the reliability is not high

Method used

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  • Fuel cell monolithic voltage inspection system based on LTC6803
  • Fuel cell monolithic voltage inspection system based on LTC6803

Examples

Experimental program
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Embodiment 1

[0034] figure 1 A schematic diagram of the hardware structure of a LTC6803-based fuel cell single-chip voltage inspection system provided by Embodiment 1 of the present invention. This embodiment is applicable to the situation of real-time monitoring of fuel cell single-chip voltage, such as figure 1 As shown, the inspection system specifically includes: a fuel cell stack, a battery management chipset, a single-chip microcomputer, and a power supply.

[0035] Wherein, the battery management chipset is respectively connected with the fuel cell stack and the single-chip microcomputer, and is used for performing voltage detection on a single fuel cell in the fuel cell stack under the control of the single-chip microcomputer, so as to obtain the the voltage data of the single chip of the fuel cell, and send the voltage data to the single chip;

[0036] The power supply is connected to the battery management chipset and the single-chip microcomputer respectively, and is used to su...

Embodiment 2

[0050] figure 2 Shown is a schematic flowchart of a fuel cell monolithic voltage inspection system method based on LTC6803 provided by Embodiment 2 of the present invention. This embodiment is applicable to real-time monitoring of fuel cell monolithic voltage. This method can be applied to An LTC6803-based fuel cell monolithic voltage inspection system provided by any embodiment of the present invention.

[0051] see figure 2 , the method is specifically as follows: operation S210-operation S250.

[0052] S210. The single-chip microcomputer receives the trigger signal sent by the control system.

[0053] Specifically, the single-chip microcomputer receives the trigger signal regularly sent by the control system through the communication module.

[0054] S220. The single-chip microcomputer sends a voltage acquisition control signal to the battery management chipset.

[0055] After the single-chip microcomputer receives the trigger signal sent by the control system, it sen...

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PUM

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Abstract

Embodiments of the invention disclose a fuel cell monolithic voltage inspection system based on LTC6803. The system comprises a fuel cell stack, a cell management chip group, a single chip microcomputer and a power supply. The cell management chip group is connected to the fuel cell stack and the single chip microcomputer respectively and is used for carrying out voltage detection on a fuel cell monolithic in the fuel cell stack under the control of the single chip microcomputer so as to acquire voltage data of the fuel cell monolithic and send the voltage data to the single chip microcomputer. The power supply is connected to the cell management chip group and the single chip microcomputer respectively and is used for providing power for the cell management chip group and the single chip microcomputer. By using the fuel cell monolithic voltage inspection system disclosed in the embodiments, detection result is accurate, reliability is high, the structure is simple, power consumption is low and expansibility is good.

Description

technical field [0001] The embodiment of the present invention relates to a monitoring technology, in particular to an LTC6803-based fuel cell monolithic voltage inspection system. Background technique [0002] With the development of pure electric vehicles and hybrid vehicles, the serial fuel cell stack as an important energy storage device has become a key factor affecting the performance of the vehicle. During the operation of the series fuel cell stack, due to the existence of the bucket effect, the abnormality of the single fuel cell in the fuel cell stack will affect the performance of the entire stack. Among the parameters that characterize the state of the battery, the voltage of the battery can best reflect its working state. Therefore, it is necessary to monitor the single-chip voltage of each fuel cell in real time to facilitate the system to make correct control decisions and ensure the stable and reliable operation of the system. [0003] The fuel cell monolith...

Claims

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Application Information

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IPC IPC(8): G01R19/00
Inventor 顾荣鑫吴心亮马天才陆文周徐加忠
Owner KUSN FUERSAI ENERGY