Unlock instant, AI-driven research and patent intelligence for your innovation.

Fuel cell module and its water leakage detection method, ventilation control method

A fuel cell and control method technology, which is applied in the direction of fuel cells, circuits, electrical components, etc., can solve problems such as short-circuit faults and water bubbles in the stack body, and achieve the effects of reducing energy consumption, ensuring stable operation, and improving reliability

Active Publication Date: 2022-05-20
SHANGHAI ELECTRICGROUP CORP
View PDF19 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to overcome the defect in the prior art that the liquid water produced by the fuel cell is likely to cause the stack body to be soaked by water, thereby causing a short circuit fault, and to provide a fuel cell module, a water leakage detection method, and a ventilation control method

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Fuel cell module and its water leakage detection method, ventilation control method
  • Fuel cell module and its water leakage detection method, ventilation control method
  • Fuel cell module and its water leakage detection method, ventilation control method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] Such as figure 1 As shown, this embodiment provides a fuel cell module, including a housing 1 and a controller 10, as well as a fuel cell 2 and a water leakage sensor 4 disposed in the housing 1, and the water leakage sensor 4 is disposed at the bottom of the housing 1 .

[0051] The first end of the water leakage sensing sheet is electrically connected to the controller, and the second end is grounded, wherein the equivalent resistance of the water leakage sensing sheet corresponds to the amount of water entering the water leakage sensing sheet. In an example of specific implementation, the more water enters the water leakage sensing piece, the smaller the equivalent resistance of the water leakage sensing piece is.

[0052] The controller is used for calculating the equivalent resistance of the water leakage sensing sheet according to the voltage at the first terminal, and determining the amount of water entering the water leakage sensing sheet according to the equiv...

Embodiment 2

[0062] This embodiment provides a water leakage detection method for the fuel cell module provided in Embodiment 1, the executive body of which is the controller in the fuel cell module, which is used to detect the amount of water entering the water leakage sensor, and determine the fuel cell module water leakage accordingly. The accumulation of water in the middle shell. Such as Figure 4 As shown, the fuel cell module water leakage detection method provided in this embodiment includes the following steps:

[0063] Step S401 , collecting the voltage at the first end of the water leakage sensor.

[0064] Step S402 , calculating the equivalent resistance of the water leakage sensing piece according to the voltage at the first terminal. Specifically, the equivalent resistance of the water leakage sensing piece can be calculated according to the pull-up resistor in the controller and the voltage at the first terminal.

[0065] Step S403, determining the amount of water enterin...

Embodiment 3

[0068] Such as figure 1 As shown, on the basis of Embodiment 1, the fuel cell module provided in this embodiment also includes an air filter 9, an air compressor 8, an intercooler 7, a two-way valve 6, an inlet distribution head 5, and an outlet distribution head 14 , a one-way valve 15, a tail row mixer 16 and a hydrogen concentration sensor 3, the opposite sides of the housing 1 are respectively provided with a gas inlet port 12 and a gas discharge port 13, a hydrogen concentration sensor 3, an inlet distribution head 5 and an outlet distribution head 14 are all located in the housing 1.

[0069] Air filter 9, air compressor 8, intercooler 7, two-way valve 6, gas inlet port 12 and inlet distribution head 5 are connected sequentially, outlet distribution head 14, gas discharge port 13, one-way valve 15 and tail row mixing Devices 16 are connected in sequence.

[0070] The hydrogen gas concentration sensor 3 is used to collect the hydrogen gas concentration in the casing 1 ....

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
electrical resistanceaaaaaaaaaa
electrical resistanceaaaaaaaaaa
electrical resistanceaaaaaaaaaa
Login to View More

Abstract

The invention discloses a fuel cell module, a water leakage detection method and a ventilation control method thereof. Wherein, the fuel cell module includes a casing and a controller, as well as a fuel cell and a water leakage sensing sheet arranged in the casing, and the water leakage sensing sheet is arranged at the bottom of the casing; the first end of the water leakage sensing sheet It is electrically connected to the controller, and the second end is grounded, wherein the equivalent resistance of the water leakage sensing sheet is in a corresponding relationship with the amount of water entering the water leakage sensing sheet; the controller is used to The voltage calculates the equivalent resistance of the water leakage induction sheet, and determines the amount of water entering the water leakage induction sheet according to the equivalent resistance. The present invention determines the amount of water entering the water leakage sensing sheet by setting the water leakage sensing sheet in the fuel cell module, so that the water accumulation in the fuel cell module can be found in time, the stable operation of the fuel cell is ensured, and the working efficiency of the fuel cell module is improved. reliability.

Description

technical field [0001] The invention relates to the field of fuel cells, in particular to a fuel cell module, a water leakage detection method and a ventilation control method thereof. Background technique [0002] With the development of the new energy vehicle industry, hydrogen fuel cell vehicles have the advantages of short hydrogenation time, long battery life, and zero emissions, and the market application scale is increasing. For vehicle fuel cells, due to the complex environment and harsh road conditions, in order to make the vehicle fuel cells meet the requirements of IP67 for dustproof and waterproof vehicles, it is necessary to package the fuel cells in a closed casing to form a fuel cell module. . [0003] When the fuel cell is working, a certain amount of hydrogen and water vapor will escape from the inside of the fuel cell, and a small amount of condensed water may also be generated under alternating working conditions and ambient temperature changes. At the sa...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): H01M8/04313H01M8/04664H01M8/2465
CPCH01M8/04313H01M8/04679H01M8/2465Y02E60/50
Inventor 陈建平林业发吴炎花李然倪蕾蕾徐吉林
Owner SHANGHAI ELECTRICGROUP CORP
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com