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Calculation of fuel cell system and combustion coefficient and judging method of combustion degree

A fuel cell system and combustion chamber technology, which is applied in the direction of fuel cells, circuits, electrical components, etc., can solve the problems of low material utilization rate and difficult control of fuel cell combustion, so as to achieve difficult judgment errors, simple judgment methods, and sufficient combustion Effect

Active Publication Date: 2021-01-26
CHINA HYDROGEN NEW ENERGY TECH CO
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Problems solved by technology

[0006] The purpose of the present invention is to overcome the deficiencies of the prior art, provide a fuel cell system and a method for calculating the combustion coefficient and judging the degree of combustion, and solve the problems in the prior art that the combustion of the fuel cell is not easy to control and the utilization rate of materials is not high

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  • Calculation of fuel cell system and combustion coefficient and judging method of combustion degree

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Embodiment Construction

[0056] The technical solution of the present invention will be further described in detail below in conjunction with specific examples, but the protection scope of the present invention is not limited to the following description.

[0057] A fuel cell system comprising:

[0058] The combustion chamber receives the reaction gas delivered by the air supply device, and the reaction gas is used to provide energy for combustion in the combustion chamber;

[0059] The detection unit includes a fuel pressure sensor, an air flow sensor, an intake air pressure sensor, an intake air temperature sensor and an oxygen sensor; wherein,

[0060] The fuel pressure sensor is used to detect the pressure in the combustion chamber; the air flow sensor is used to detect the flow rate of the reactive gas delivered by the air supply device; the intake pressure sensor is used to detect the pressure of the reactive gas; the intake air temperature sensor is used to detect the temperature of the reactiv...

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Abstract

The invention relates to the technical field of fuel cell systems, in particular to a fuel cell system and a method for calculating the combustion coefficient and judging the degree of combustion. The fuel cell system includes: a combustion chamber, which receives the reaction gas delivered by the air supply device for combustion to provide energy; a detection unit, including an air flow sensor, an intake air pressure sensor, a fuel pressure sensor, an intake air temperature sensor and an oxygen sensor; a determination unit, through Whether the mathematical result of calculating the combustion coefficient in the combustion process is within the combustion control coefficient is used to judge whether the combustion is complete. The combustion coefficient solves the problems in the prior art that fuel cell combustion is difficult to control and material utilization rate is not high, and has the advantages of monitorable combustion, complete material combustion and simple algorithm.

Description

technical field [0001] The invention relates to the technical field of fuel cell systems, in particular to a fuel cell system and a method for calculating the combustion coefficient and judging the degree of combustion. Background technique [0002] A fuel cell is a power generating device that directly converts the chemical energy present in fuel and oxidant into electrical energy. Fuel and air are sent separately to the fuel cell, and electricity is miraculously produced. [0003] Fuel cells involve relevant theories of chemical thermodynamics, electrochemistry, electrocatalysis, material science, power systems and automatic control, etc., and have the advantages of high power generation efficiency and less environmental pollution. [0004] In general, the fuel cell has the following characteristics: high energy conversion efficiency; it directly converts the chemical energy of the fuel into electrical energy without the combustion process in the middle, so it is not limi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M8/0432H01M8/0438H01M8/0444H01M8/04992
CPCY02E60/50
Inventor 周明强杨二辉刘飞
Owner CHINA HYDROGEN NEW ENERGY TECH CO
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