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Small-flow split-flow type humidification control module

A control module and shunt technology, applied in the direction of humidity control, non-electric variable control, control/regulation system, etc., can solve problems such as unrealistic research

Inactive Publication Date: 2021-11-30
云动(太仓)测控技术有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] At present, most fuel cell test equipment adopts the form of dry-wet switching to control the humidity of the test gas. The gas only exists in two states of dry and 100% relative humidity. When it is used for stack research, it cannot achieve a wider range Research

Method used

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  • Small-flow split-flow type humidification control module

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Embodiment Construction

[0014] The present invention will be further described below in conjunction with accompanying drawing.

[0015] Such as figure 1 As shown, a small flow split humidification control module includes a gas main pipeline 1, a first flow meter 2 and an automatic valve 3 are connected in series to the gas main pipeline 1, and a bypass pipeline is connected in parallel to the automatic valve 3 4. The bypass pipe 4 is connected in series with a second flowmeter 5 and a humidifier 6 .

[0016] Preferably, the humidifier 6 is a bubbling humidifier 6 .

[0017] Preferably, through PID adjustment, the opening of the second flowmeter 5 is gradually opened. After part of the gas enters the humidifier 6, it forms a gas with a humidity of 100%. A gas in a state of humidity.

[0018] On the premise of cost saving, the invention realizes the adjustment and control of the gas humidity in the range of dry ~ 100%RH, with low cost, high precision, high feasibility, and is convenient for actual o...

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Abstract

The invention discloses a small-flow split-flow type humidification control module. According to the technical scheme, the small-flow split-flow type humidification control module comprises a gas main pipeline, a first flow meter and an automatic valve are connected to the gas main pipeline in series, the automatic valve is connected with a bypass pipeline in parallel, a second flow meter and a humidifier are connected to the bypass pipeline in series, and the humidifier is a bubbling humidifier. According to the scheme provided by the invention, adjustment and control of the humidity of the gas within the drying range of-100% RH are realized, the cost is low, the precision is high, the feasibility is high, and actual operation and later maintenance are facilitated.

Description

technical field [0001] The invention relates to the technical field of fuel cell testing, in particular to a small flow split humidification control module. Background technique [0002] At present, most fuel cell test equipment adopts the form of dry-wet switching to control the humidity of the test gas. The gas only exists in two states of dry and 100% relative humidity. When it is used for stack research, it cannot achieve a wider range Research. Contents of the invention [0003] Aiming at the deficiencies of the existing technology, the main purpose of the present invention is to provide a small air conditioning system that realizes the adjustment and control of the gas humidity in the dry ~100%RH range, low cost, high precision, high feasibility, and convenient for actual operation and later maintenance. Flow split humidification control module. [0004] In order to achieve the above object, the present invention provides the following technical solutions: a small ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05D22/02
CPCG05D22/02
Inventor 韩广帅丁磊廖懿李昕
Owner 云动(太仓)测控技术有限公司