CN110439802A - A kind of fuel cell system hydrogen gas circulating pump test device - Google Patents

A kind of fuel cell system hydrogen gas circulating pump test device Download PDF

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Publication number
CN110439802A
CN110439802A CN201910730513.0A CN201910730513A CN110439802A CN 110439802 A CN110439802 A CN 110439802A CN 201910730513 A CN201910730513 A CN 201910730513A CN 110439802 A CN110439802 A CN 110439802A
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China
Prior art keywords
circulating pump
hydrogen gas
fuel cell
flowmeter
valve
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CN201910730513.0A
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CN110439802B (en
Inventor
郭婷
王芳
文醉
任山
樊彬
杨沄芃
梁聪
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China Auto Research Automobile Inspection Center (tianjin) Co Ltd
China Automotive Technology and Research Center Co Ltd
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China Auto Research Automobile Inspection Center (tianjin) Co Ltd
China Automotive Technology and Research Center Co Ltd
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Priority to CN201910730513.0A priority Critical patent/CN110439802B/en
Publication of CN110439802A publication Critical patent/CN110439802A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B51/00Testing machines, pumps, or pumping installations

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel Cell (AREA)

Abstract

The present invention provides a kind of fuel cell system hydrogen gas circulating pump test devices, including main line, the first bye-pass and the second bye-pass;Main line is successively arranged air gauge, flowmeter, pressure relief valve and the first solenoid valve by inlet end to discharge end;First bye-pass includes second flowmeter and the first check valve, second flowmeter is connected to by the first check valve with the pipeline being arranged between flowmeter and pressure relief valve, pipeline between second bye-pass and pressure relief valve and the first solenoid valve is connected to, and hydrogen gas circulating pump can be installed between second flowmeter and the second bye-pass;A kind of fuel cell system hydrogen gas circulating pump test device of the present invention, it solves in the matching process of fuel cell system, traditional method is directly to be selected, the technical issues of not matched for different fuel battery engines, be unfavorable for very much the development of fuel cell system.

Description

A kind of fuel cell system hydrogen gas circulating pump test device
Technical field
The invention belongs to hydrogen gas circulating pump the field of test technology, are recycled more particularly, to a kind of fuel cell system with hydrogen Pump test device.
Background technique
Fuel cell is a kind of efficient, high-energy density, free of contamination new energy, however in the water management of fuel cell The problem of always perplexing commercializing fuel cells.Fuel battery inside is allowed for rationally by the water that electrochemical reaction generates Exclusion can not influence internal mass transfer.Usually the water that reaction generates is taken away with the mode of tail gas row's hydrogen, still This method needs the rate of rationally control row hydrogen to waste raw material again simultaneously, by the hydrogen of discharge by the way of hydrogen gas circulating pump Gas is recycled, and is carried out the entrance that aqueous vapor separation re-enters into fuel cell pile, can greatly be improved the utilization of hydrogen Rate.However the selection of hydrogen gas circulating pump particularly important, the separation including its air water binomial stream again, efficiency, the pressure of hydrogen utilization ratio The index of the multiple performances such as power, energy consumption, flow directly affects the runnability on vehicle in the matching process of fuel cell system And the service life.And traditional method is directly to be selected, and is not matched for different fuel battery engines, it is very unfavorable In the development of fuel cell system.The device can be good at testing the performance of hydrogen gas circulating pump, and test result can be with The matching for directly applying to different grades of fuel cell system, has saved resource, improves efficiency, while the combustion that can also standardize Expect the development of battery auxiliary system.
Summary of the invention
In view of this, the present invention is directed to propose a kind of fuel cell system hydrogen gas circulating pump test device, solves In the matching process of fuel cell system, traditional method is directly to be selected, and is not directed to different fuel cell powereds The technical issues of machine is matched, and the development of fuel cell system is unfavorable for very much.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of fuel cell system hydrogen gas circulating pump test device, including main line, the first bye-pass and the second branch pipe Road;
The main line is successively arranged air gauge, flowmeter, pressure relief valve and the first electromagnetism by inlet end to discharge end Valve, the air gauge, flowmeter, pressure relief valve and the first solenoid valve are sequentially communicated by pipeline;
First bye-pass includes second flowmeter and the first check valve, and the second flowmeter is single by described first It is connected to valve with the pipeline being arranged between the flowmeter and pressure relief valve, second bye-pass and the pressure discharge Pipeline between valve and the first solenoid valve is connected to, and can be installed hydrogen between the second flowmeter and second bye-pass and be followed Ring pump;
The circulating direction of first check valve is by the second flowmeter to first check valve.
Further, second bye-pass is equipped with humidifier, and described humidifier one end can connect hydrogen gas circulating pump, The humidifier other end is connected to the pipeline between the pressure relief valve and the first solenoid valve.
Further, second bye-pass is equipped with thermometer, and the thermometer is located at the humidifier and the pressure On the pipeline being connected between power relief valve and the first solenoid valve.
Further, the thermometer be arranged on the pipeline being connected between the pressure relief valve and the first solenoid valve Equipped with second one-way valve, the second one-way valve circulating direction is identical as the first check valve circulating direction.
Further, the pipeline of the air gauge and inlet end is equipped with second solenoid valve.
Further, first solenoid valve and second solenoid valve are direct-acting electromagnetic valve.
Further, first solenoid valve passes through vent gas treatment discharge of pipes gas.
Compared with the existing technology, a kind of fuel cell system of the present invention with hydrogen gas circulating pump test device have with Lower advantage:
A kind of fuel cell system hydrogen gas circulating pump test device of the present invention, firstly, there is no be directed to hydrogen The assessment device of circulating pump, the device can be good at the blank filled up Guo Nei in this direction;Secondly, the test device energy It is enough that Pre-Evaluation is carried out to hydrogen gas circulating pump, improve the efficiency of fuel cell;
The present apparatus passes through mould by simulating under the operating condition of fuel cell system to the beginning demand of hydrogen gas circulating pump Performance output of the quasi- measurement hydrogen gas circulating pump under the working condition, can evaluate well hydrogen gas circulating pump, be guaranteed In the running efficient, reliability of fuel cell system;
Before fuel cell system integrate, the hydrogen gas circulating pump of suitable performance can be selected to be matched, to its property Matter is evaluated, and can greatly be reduced capital, be economized on resources;
The present apparatus effectively can carry out simulation and data to the operating condition of hydrogen gas circulating pump on a fuel cell system Monitoring, can export the performance characteristic curve of the hydrogen gas circulating pump under different operating conditions, reflect its performance.The present apparatus has well Real-time, and test data is reliable, is capable of providing the data of reflection hydrogen gas circulating pump performance, does for fuel cell system There are good data to support with application;
The present apparatus can simulate the variable load of hydrogen gas circulating pump and corresponding operating condition in actual motion, measure the temperature of hydrogen gas circulating pump Characteristic is risen, the performance of hydrogen gas circulating pump is tested.The equipment can realize service life durable operating condition, automatic cycle operating condition, limiting condition, change The test of load working condition, start-stop simulation controlled load case, Quality Inspector can adjust operating condition content according to client, and flexible design uses It is convenient.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is a kind of fuel cell system hydrogen gas circulating pump test device schematic diagram described in the embodiment of the present invention.
Description of symbols:
1- solenoid valve;2- air gauge;3- first flowmeter;4- second flowmeter;5- hydrogen gas circulating pump;6- humidifier;7- Thermometer;8- pressure relief valve;9- current valve;The first check valve of 10-;11- second one-way valve.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase Mutually combination.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair Limitation of the invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can To explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple " It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition Concrete meaning in the present invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
A kind of fuel cell system hydrogen gas circulating pump test device, as shown in Figure 1, including main line, the first bye-pass And second bye-pass;
Main line is successively arranged air gauge 2, flowmeter 3, pressure relief valve 8 and the first solenoid valve by inlet end to discharge end 9, air gauge 2, flowmeter 3, pressure relief valve 8 and the first solenoid valve 9 are sequentially communicated by pipeline;
First bye-pass includes second flowmeter 4 and the first check valve 10, second flowmeter 4 by the first check valve 10 with The pipeline being arranged between flowmeter 3 and pressure relief valve 8 is connected to, the second bye-pass and pressure relief valve 8 and the first solenoid valve 9 Between pipeline connection, hydrogen gas circulating pump 5 can be installed between second flowmeter 4 and the second bye-pass;First check valve 10 Circulating direction be by the 4 to the first check valve of second flowmeter 10, in implementation process, hydrogen gas circulating pump one end and second flowmeter 4 Connection, the hydrogen gas circulating pump other end are connect with the second bye-pass, and hydrogen gas circulating pump is connect with second flowmeter 4, the second bye-pass Connection type be existing connection type.
Second bye-pass is equipped with humidifier 6, and 6 one end of humidifier can connect hydrogen gas circulating pump 5,6 other end of humidifier Pipeline between pressure relief valve 8 and the first solenoid valve 9 is connected to, and humidifier 6 effectively can carry out humidification process to hydrogen, into And the humidity under varying environment can be simulated.
Second bye-pass is equipped with thermometer 7, and thermometer 7 is located at humidifier 6 and pressure relief valve 8 and the first solenoid valve 9 Between on the pipeline that is connected to.
Thermometer 7 is equipped with second one-way valve with the pipeline being connected between pressure relief valve 8 and the first solenoid valve 9 is arranged in 11,11 circulating direction of second one-way valve is identical as the first check valve circulating direction, and air gauge 2 passes through pipeline and second solenoid valve 1 It is connected to, in the present embodiment, the first solenoid valve 9 and second solenoid valve 1 are direct-acting electromagnetic valve, and the first solenoid valve 9 passes through tail gas Discharge of pipes gas is handled, in the present embodiment, hydrogen source is hydrogen cylinder, and hydrogen cylinder is connect by pipeline with second solenoid valve 1.
Make to test by air gauge 2, first flowmeter 3, second flowmeter 4, hydrogen gas circulating pump 5, humidifier 6, thermometer 7 As a result it accurately can clearly reflect, select hydrogen to carry out simulation test in the present embodiment, avoid hydrogen and enter reality Test indoor risk.
The present apparatus effectively can carry out simulation and data to the operating condition of hydrogen gas circulating pump on a fuel cell system Monitoring, can export the performance characteristic curve of the hydrogen gas circulating pump under different operating conditions, reflect its performance.The present apparatus has well Real-time, and test data is reliable, is capable of providing the data of reflection hydrogen gas circulating pump performance, does for fuel cell system There are good data to support with application.
In the present embodiment, the precision of air gauge 2 is ± 0.2%FS, and the range of air gauge 2 is 0-300kPa;First flow Meter 3, the precision of second flowmeter 4 are ± 1%FS, first flowmeter 3, second flowmeter 4 full scale be 500Nm3/h;Humidification The precision of device 6 is ± 0.2%FS;The precision of thermometer 7 is that the range of ± 0.2 DEG C of thermometer 7 is -40-200 DEG C.
The working method of this example
When hydrogen is come in by second solenoid valve 1, hydrogen flowing quantity is entered by the record of first flowmeter 3, is pressed by adjusting Power relief valve 8, which is adjusted, enters 5 Hydrogen Vapor Pressure of hydrogen gas circulating pump, and it is wet to enter gas in hydrogen gas circulating pump 5 by the simulation of humidifier 6 Degree after the hydrogen after overregulating enters hydrogen gas circulating pump 5, by the hydrogen flowing quantity of the record outflow of second flowmeter 4, calculates effect Rate.Simultaneously by adjusting the first solenoid valve 9, practical hydrogen discharge is simulated.
Fuel cell hydrogen gas circulating pump performance test:
1 is first attached hydrogen gas circulating pump and test device, and in the present embodiment, the precision of hydrogen gas circulating pump is ± 0.2%FS, be powered connection air gauge 2, flowmeter 3 and flowmeter 3, and in the present embodiment, hydrogen source is hydrogen cylinder, and hydrogen cylinder passes through Pipeline is connect with second solenoid valve 1, and flowmeter 3 and test computer are attached;
The air inflow and stream pressure of 2 setting hydrogen cylinders;
3 start to test, the test data of the flowmeter 3 during test computer automatic storage test, and finally store For the format of excel;
The data of air gauge 2, flowmeter 3 in 4 record experimentations;
5 experiments terminate.
The device can simulate variable load and corresponding operating condition in actual motion, measure the temperature characteristic of hydrogen gas circulating pump, survey Try the performance of hydrogen gas circulating pump.The equipment can realize service life durable operating condition, automatic cycle operating condition, limiting condition, varying load operating condition, The test of controlled load case is simulated in start-stop, and Quality Inspector can adjust operating condition content according to client, and flexible design is easy to use.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims (7)

1. a kind of fuel cell system hydrogen gas circulating pump test device, it is characterised in that: including main line, the first bye-pass and Second bye-pass;
The main line is successively arranged air gauge (2), flowmeter (3), pressure relief valve (8) and first by inlet end to discharge end Solenoid valve (9), the air gauge (2), flowmeter (3), pressure relief valve (8) and the first solenoid valve (9) are successively connected by pipeline It is logical;
First bye-pass includes second flowmeter (4) and the first check valve (10), and the second flowmeter (4) passes through described First check valve (10) is connected to the pipeline being arranged between the flowmeter (3) and pressure relief valve (8), second branch pipe Pipeline between road and the pressure relief valve (8) and the first solenoid valve (9) is connected to, the second flowmeter (4) and described the Hydrogen gas circulating pump (5) can be installed between two bye-passes;
The circulating direction of first check valve (10) is by the second flowmeter (4) to first check valve (10).
2. a kind of fuel cell system hydrogen gas circulating pump test device according to claim 1, it is characterised in that: described Second bye-pass is equipped with humidifier (6), and described humidifier (6) one end can connect hydrogen gas circulating pump (5), the humidifier (6) pipeline between the other end and the pressure relief valve (8) and the first solenoid valve (9) is connected to.
3. a kind of fuel cell system hydrogen gas circulating pump test device according to claim 2, it is characterised in that: described Second bye-pass is equipped with thermometer (7), the thermometer (7) be located at the humidifier (6) and the pressure relief valve (8) and On the pipeline being connected between first solenoid valve (9).
4. a kind of fuel cell system hydrogen gas circulating pump test device according to claim 3, it is characterised in that: described It is unidirectional that second is equipped on the pipeline that thermometer (7) is connected between the pressure relief valve (8) and the first solenoid valve (9) with setting Valve (11), second one-way valve (11) circulating direction are identical as the first check valve circulating direction.
5. a kind of fuel cell system hydrogen gas circulating pump test device according to claim 1-4, feature Be: the pipeline of the air gauge (2) and inlet end is equipped with second solenoid valve (1).
6. a kind of fuel cell system hydrogen gas circulating pump test device according to claim 5, it is characterised in that: described First solenoid valve (9) and second solenoid valve (1) are direct-acting electromagnetic valve.
7. a kind of fuel cell system hydrogen gas circulating pump test device according to claim 6, it is characterised in that: described First solenoid valve (9) passes through vent gas treatment discharge of pipes gas.
CN201910730513.0A 2019-08-08 2019-08-08 Hydrogen circulating pump testing device for fuel cell system Active CN110439802B (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112761937A (en) * 2021-01-15 2021-05-07 中汽研汽车检验中心(天津)有限公司 Hydrogen pump matching test device and test method for hydrogen fuel cell engine
CN113007083A (en) * 2021-02-24 2021-06-22 一汽解放汽车有限公司 Hydrogen circulating pump test system
CN113027745A (en) * 2021-03-09 2021-06-25 柳州易舟汽车空调有限公司 Durable testing arrangement of hydrogen circulating pump
CN113285100A (en) * 2021-05-18 2021-08-20 中船重工(重庆)西南装备研究院有限公司 Performance test system for hydrogen circulating pump of hydrogen fuel cell
CN114542448A (en) * 2022-03-05 2022-05-27 北京亿华通科技股份有限公司 Durability test method for hydrogen circulating pump

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112761937A (en) * 2021-01-15 2021-05-07 中汽研汽车检验中心(天津)有限公司 Hydrogen pump matching test device and test method for hydrogen fuel cell engine
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CN113027745A (en) * 2021-03-09 2021-06-25 柳州易舟汽车空调有限公司 Durable testing arrangement of hydrogen circulating pump
CN113285100A (en) * 2021-05-18 2021-08-20 中船重工(重庆)西南装备研究院有限公司 Performance test system for hydrogen circulating pump of hydrogen fuel cell
CN114542448A (en) * 2022-03-05 2022-05-27 北京亿华通科技股份有限公司 Durability test method for hydrogen circulating pump
CN114542448B (en) * 2022-03-05 2023-08-15 北京亿华通科技股份有限公司 Durability test method for hydrogen circulating pump

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