CN106949943A - Gas volume measurement apparatus and fuel cell module - Google Patents
Gas volume measurement apparatus and fuel cell module Download PDFInfo
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- CN106949943A CN106949943A CN201710153078.0A CN201710153078A CN106949943A CN 106949943 A CN106949943 A CN 106949943A CN 201710153078 A CN201710153078 A CN 201710153078A CN 106949943 A CN106949943 A CN 106949943A
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- container
- measurement apparatus
- volume measurement
- gas volume
- hydrogen
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F22/00—Methods or apparatus for measuring volume of fluids or fluent solid material, not otherwise provided for
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
- H01M8/0438—Pressure; Ambient pressure; Flow
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Abstract
The present invention relates to a kind of gas volume measurement apparatus and fuel cell module.The gas volume measurement apparatus, it includes the first container and second container of relative position relation fixation, and the first container is used to place liquid, and the first container and second container are provided with opening；The opening of second container is located in the first container, and under the liquid level in the first container, and the container chamber of the first container is connected with the container chamber of second container；It is additionally provided with second container on air inlet, and air inlet and is provided with air intake valve, the opening and closing for controlling air inlet.When being tested using gas volume measurement apparatus row's hydrogen flowrate of fuel cell, a certain amount of water is placed in the device, fuel cell hydrogen discharging pipe road is connected with air inlet, open air intake valve, hydrogen enters in second container, the water in second container is extruded into the first container connected with second container using drainage, air intake valve is closed at the end of row's hydrogen test, while the row's of record hydrogen time.
Description
Technical field
The present invention relates to field of experiment equipment, in particular it relates to a kind of gas volume measurement apparatus and fuel cell module.
Background technology
Proton Exchange Membrane Fuel Cells (proton exchange membrane fuel cell, i.e. PEMFC) is a kind of
Fuel cell, in principle equivalent to " inverse " device of water electrolysis.Its monocell is made up of anode, negative electrode and PEM,
Anode is the place that hydrogen fuel is aoxidized, and negative electrode is the place of oxidant reduction, and the two poles of the earth are all anti-containing acceleration electrode electro Chemical
The catalyst answered, PEM is used as transmission H+Medium, only allow H+Pass through, and H2The electronics lost then passes through from wire；
Equivalent to one dc source during work, anode is power cathode, and negative electrode is positive source.
PEMFC is due to its environment friendly, the advantages of energy conversion rate height, noiseless, response quickly, is considered as weighing from now on
The generation of electricity by new energy device of point development.Its row's hydrogen mode is divided into pulse row's hydrogen and often row, process of the test and needed when PEMFC is run
The row's of collection hydrogen amount, calculates hydrogen utilization of fuel cell and system effectiveness.
Row's hydrogen amount of existing test fuel cell is broadly divided into two kinds：
One is the hydrogen of fuel cell exhaust is measured using high-accuracy gas flowmeter, but due to fuel cell
Steam is carried while excluding hydrogen, it is therefore desirable to tail row's hydrogen is dehumidified, it is therefore desirable to increase drying device to discharge
Hydrogen be dried, but increase drying device can carry certain flow resistance, and hydrogen road needed during fuel cell operation into
Row Stress control, for vortex street, target formula, orifice plate type gas flowmeter, the fuel cell of hydrogen is arranged in the pulse of test low discharge value
When, the test result of hydrogen flowing quantity will be very inaccurate.
The second is collecting fuel cell tail using drainage arranges hydrogen content, such a method testing cost is low, convenient operation；
But the shortcoming of conventional discharge method test is easily because operation causes test volume deviation, influence data accuracy.While hydrogen
It is hazardous gas, conventional discharge method test hydrogen discharge amount carries certain risk.
The content of the invention
In order to improve the deficiencies in the prior art, object of the present invention is to provide a kind of gas volume measurement apparatus, with
Solve to measure the hydrogen of fuel cell exhaust using high-accuracy gas flowmeter present in prior art, but due to combustion
Material battery carries steam, it is necessary to be dehumidified to tail row's hydrogen while excluding hydrogen, it is therefore desirable to increase drying device to row
The hydrogen put is dried, but increase drying device can carry certain flow resistance, can cause shadow to the test result of hydrogen flowing quantity
Ring；Fuel cell tail row's hydrogen content is collected using drainage, easily because operation causes test volume deviation, influence data are accurate
Property, while hydrogen is hazardous gas, conventional discharge method test hydrogen discharge amount carries the technical problem of certain risk.
A kind of gas volume measurement apparatus is provided in an embodiment of the present invention, and the gas volume measurement apparatus includes
There are the first container and second container that relative position relation is fixed, first container is used to place liquid, first container
Opening is provided with second container；The opening of the second container is located in first container, and in first container
Under interior liquid level, and the container chamber of first container is connected with the container chamber of the second container；On the second container
It is additionally provided with air inlet, and the air inlet and is provided with air intake valve, the opening and closing for controlling the air inlet.
Preferably, the side of first container is provided with water level showing rod, water level showing rod and is provided with graduation mark, institute
State water level showing rod be used for show be positioned over the liquid level value of liquid in first container.
Preferably, it is additionally provided with the second container on exhaust outlet, the exhaust outlet and is provided with drain tap, for controls
Make the opening and closing of the exhaust outlet.
Preferably, dilution mechanism is provided with outside the exhaust outlet, for being carried out to the gas discharged from the exhaust outlet
After dilution in air is discharged into.
Preferably, the dilution mechanism is the fan being provided with outside exhaust outlet, and the fan, which is rotated, produces mass air flow pair
The gas discharged from the exhaust outlet is diluted.
Preferably, timing unit is additionally provided with the gas volume measurement apparatus, the timing unit is used to calculate institute
State the use time of gas volume measurement apparatus.
Preferably, the gas volume measurement apparatus also includes computing unit, and the computing unit can obtain water level
The difference of showing rod and the timing result of timing unit, and obtain the difference result of water level showing rod in the unit interval.
Preferably, discharge outlet is additionally provided with first container, the discharge outlet is used to measure the gas volume
Liquid in device is discharged out of first container and second container；Water discharging valve is provided with the discharge outlet, for controlling
Make the opening and closing of the discharge outlet.
Preferably, circulating air way outlet is additionally provided with the second container, the hydrogen of the air inlet and fuel cell is followed
Ring pump discharge connects, and the circulating air way outlet connects with the check valve of fuel cell；It is provided with the circulating air way outlet
Circulating air way outlet valve, the opening and closing for controlling the circulating air way outlet.
A kind of fuel cell module, including fuel cell and upper described gas body are provided in an embodiment of the present invention
Product measurement apparatus, the hydrogen discharging pipe road of the fuel cell connects with the air inlet.
The gas volume measurement apparatus that the present invention is provided, it includes the first container and second of relative position relation fixation
Container, first container is used to place liquid, and first container and second container are provided with opening；The second container
Opening be located in first container, and under liquid level in first container, and the container chamber of first container with
The container chamber of the second container is connected；It is additionally provided with air inlet, and the air inlet and is provided with the second container
Air intake valve, the opening and closing for controlling the air inlet.In the gas volume measurement apparatus provided using the present invention to fuel electricity
When row's hydrogen flowrate in pond is tested, a certain amount of water is placed in the first container and second container, by fuel cell hydrogen discharging pipe
Road is connected with air inlet, open air intake valve, hydrogen enter second container in, using drainage by the water in second container to
Extruded in the first container connected with second container, air intake valve is closed at the end of row's hydrogen test, while the row's of record hydrogen time, the
It is discharge hydrogen volume that liquid level before and after the row's hydrogen test of one container, which rises difference, divided by the row's hydrogen time recorded, you can conversion
Into row's hydrogen amount of unit interval fuel cell.With carrying out test phase to row's hydrogen amount of fuel cell using high-accuracy gas flowmeter
Than the gas volume measurement apparatus that the present invention is provided dehumidifies without tail row's hydrogen to fuel cell, reduces setting dry
The cost of dry device, also eliminates influence of the drying device to row's hydrogen amount test result；And fired with being tested with conventional discharge method
Row's hydrogen amount of material battery is compared, and the gas volume measurement apparatus that the present invention is provided is simple to operate, will not misoperation influence measurement
The accuracy of data, while fuel cell hydrogen discharging pipe road is directly connected to air inlet, also reduces the danger of test hydrogen discharge amount
It is dangerous.
The fuel cell module provided in the present invention, including fuel cell and upper described gas volume measurement apparatus, institute
The hydrogen discharging pipe road for stating fuel cell connects with the air inlet.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The accompanying drawing to be used needed for embodiment or description of the prior art is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
The structural representation for the gas volume measurement apparatus that Fig. 1 provides for the present invention；
Operating diagram when Fig. 2 tests row's hydrogen amount of fuel cell for the gas volume measurement apparatus that the present invention is provided；
Operating diagram after the row's hydrogen amount for the gas volume measurement apparatus test fuel cell that Fig. 3 provides for the present invention；
The hydrogen for the gas volume measurement apparatus test fuel cell that Fig. 4 provides for the present invention follows work during loop traffic
Schematic diagram.
Icon：1- gas volume measurement apparatus；The containers of 10- first；110- water levels showing rod；120- discharge outlet；
121- water discharging valves；20- second containers；210- air inlets；211- air intake valves；220- exhaust outlets；221- air bleeding valves
Door；222- fans；230- circulating air way outlets；231- circulating air way outlet valves；30- pulleys；40- moving handles；
50- hydrogen circulating pumps；60- check valves.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, the orientation or position relationship of the instruction such as term " on ", " under " are base
In orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than indicate or imply
Signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this
The limitation of invention.In addition, term " first ", " second ", " the 3rd " etc. are only used for describing purpose, and it is not intended that indicating or dark
Show relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " connection ", " company
Connect " it should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or it is integrally connected；It can be machine
Tool is connected or electrically connected；Can be joined directly together, can also be indirectly connected to by intermediary, can be two members
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in the present invention with concrete condition
Concrete meaning.
The invention provides a kind of gas volume measurement apparatus 1 and fuel cell module, multiple embodiments pair are given below
The gas volume measurement apparatus 1 and fuel cell module that the present invention is provided are described in detail.
Embodiment 1
The gas volume measurement apparatus 1 that the present invention is provided, it includes the He of the first container 10 of relative position relation fixation
Second container 20, the first container 10 is used to place liquid, and the first container 10 and second container 20 are provided with opening；Second container
20 opening is located in the first container 10, and under the liquid level in the first container 10, and the container chamber and second of the first container 10
The container chamber of container 20 is connected；It is additionally provided with second container 20 on air inlet 210, and air inlet 210 and is provided with intake valve
Door 211, the opening and closing for controlling air inlet 210.In the gas volume measurement apparatus 1 provided using the present invention to fuel cell
When row's hydrogen flowrate is tested, a certain amount of water is placed in the first container 10 and second container 20, by fuel cell hydrogen discharging pipe
Road is connected with air inlet 210, opens air intake valve 211, and hydrogen enters in second container 20, using drainage by second container
Water in 20 is extruded into the first container 10 connected with second container 20, closes air intake valve 211 at the end of row's hydrogen test, together
Shi Jilu is arranged the hydrogen time, and it is discharge hydrogen volume that the liquid level before and after the test of the row's hydrogen of the first container 10, which rises difference, divided by record
Row's hydrogen time, you can be converted into row's hydrogen amount of unit interval fuel cell.With using high-accuracy gas flowmeter to fuel electricity
Row's hydrogen amount in pond carries out test and compared, and the gas volume measurement apparatus 1 that the present invention is provided arranges hydrogen without the tail to fuel cell
Dehumidified, reduce the cost that drying device is set, also eliminate influence of the drying device to row's hydrogen amount test result；And
Compared with row's hydrogen amount of fuel cell is tested with conventional discharge method, the gas volume measurement apparatus 1 that the present invention is provided is simple to operate,
Will not misoperation influence measurement data accuracy, while fuel cell hydrogen discharging pipe road is directly connected to air inlet 210, also drop
The danger of low test hydrogen discharge amount.
The side of first container 10 is provided with water level showing rod 110, water level showing rod 110 and is provided with graduation mark, water level
Showing rod 110 is used to show the liquid level value for being positioned over liquid in the first container 10.Water level showing rod 110 is arranged at the first appearance
The side of device 10, and be interconnected with the first container 10, graduation mark is provided with above, in the gas body provided using the present invention
During product measurement apparatus 1, it can be directly read by being arranged at the water level showing rod 110 of the side of the first container 10 and be positioned over the first container
The liquid level value of liquid in 10, and it is passed through the liquid level value of the liquid after hydrogen in the first container 10, the difference of the two
As enter the amounts of hydrogen of the first container 10.
It is additionally provided with second container 20 on exhaust outlet 220, exhaust outlet 220 and is provided with drain tap 221, for the row of control
The opening and closing of gas port 220.Preferably, dilution mechanism is provided with outside exhaust outlet 220, for the gas to being discharged from exhaust outlet 220
After being diluted in air is discharged into., it is necessary to by the after being completed using the gas volume measurement apparatus 1 that provides of the present invention
Hydrogen in two containers 20 is discharged from exhaust outlet 220, but China has clear stipulaties to the concentration of emission of hydrogen, therefore is carrying out hydrogen
When gas is discharged, the hydrogen discharged from exhaust outlet 220 is diluted first with the dilution mechanism being arranged at outside exhaust outlet 220, reached
Discharged it into again in air below to the concentration value that can be discharged, while the liquid levels in the first container 10 are recovered to initial
Value.
Specifically, dilution mechanism is the fan 222 being provided with outside exhaust outlet 220, and fan 222, which is rotated, produces mass air flow pair
The gas discharged from exhaust outlet 220 is diluted.The fan 222 being arranged on outside exhaust outlet 220 can produce big flow when rotating
Air the hydrogen discharged from exhaust outlet 220 is diluted, and set fan 222 be dilution device, its is simple in construction, into
This is cheap, more economically.
Timing unit is additionally provided with gas volume measurement apparatus 1, timing unit is used to calculate gas volume measurement apparatus 1
Use time.When row's hydrogen amount that the gas volume measurement apparatus 1 that user is provided using the present invention carries out fuel cell is tested,
Timing unit is opened when can be filled with air from fuel cell hydrogen discharging pipe road direction air inlet 210, after testing is complete will meter
Shi Danyuan is closed, and the time that now timing unit is shown is row's hydrogen time of fuel cell, it is not necessary to which user prepares in addition
Timing tool, more facilitates.
Gas volume measurement apparatus 1 also includes computing unit, and computing unit can obtain the difference of water level showing rod 110
With the timing result of timing unit, and the difference result of water level showing rod 110 in the unit interval is obtained.The mesh of computing unit is set
Be that gas volume measurement apparatus 1 can calculate the difference of water level showing rod 110 in the unit interval automatically, that is, be unit
Row's hydrogen amount of time fuel cells, eliminates the calculating time of user, can directly obtain result, simpler quick.
The bottom of gas volume measurement apparatus 1 is provided with pulley 30, and the side of gas volume measurement apparatus 1 is provided with movement
Handle 40.It is gas for convenience that the purpose of pulley 30 and moving handle 40 is set in the bottom of gas volume measurement apparatus 1
The movement of volume measurement device 1.
The fuel cell module provided in the present invention, including fuel cell and upper described gas volume measurement apparatus 1, institute
The hydrogen discharging pipe road for stating fuel cell connects with the air inlet 210.
Embodiment 2
The gas volume measurement apparatus 1 that the present invention is provided, it includes the He of the first container 10 of relative position relation fixation
Second container 20, the first container 10 is used to place liquid, and the first container 10 and second container 20 are provided with opening；Second container
20 opening is located in the first container 10, and in the first container under 10 liquid level, and the container chamber and second of the first container 10
The container chamber of container 20 is connected；It is additionally provided with second container 20 on air inlet 210, and air inlet 210 and is provided with intake valve
Door 211, the opening and closing for controlling air inlet 210.In the gas volume measurement apparatus 1 provided using the present invention to fuel cell
When row's hydrogen flowrate is tested, a certain amount of water is placed in the first container 10 and second container 20, by fuel cell hydrogen discharging pipe
Road is connected with air inlet 210, opens air intake valve 211, and hydrogen enters in second container 20, using drainage by second container
Water in 20 is extruded into the first container 10 connected with second container 20, closes air intake valve 211 at the end of row's hydrogen test, together
Shi Jilu is arranged the hydrogen time, and it is discharge hydrogen volume that the liquid level before and after the test of the row's hydrogen of the first container 10, which rises difference, divided by record
Row's hydrogen time, you can be converted into row's hydrogen amount of unit interval fuel cell.With using high-accuracy gas flowmeter to fuel electricity
Row's hydrogen amount in pond carries out test and compared, and the gas volume measurement apparatus 1 that the present invention is provided arranges hydrogen without the tail to fuel cell
Dehumidified, reduce the cost that drying device is set, also eliminate influence of the drying device to row's hydrogen amount test result；And
Compared with row's hydrogen amount of fuel cell is tested with conventional discharge method, the gas volume measurement apparatus 1 that the present invention is provided is simple to operate,
Will not misoperation influence measurement data accuracy, while fuel cell hydrogen discharging pipe road is directly connected to air inlet 210, also drop
The danger of low test hydrogen discharge amount.
The difference of the embodiment 2 and embodiment 1 of the gas volume measurement apparatus 1 that the present invention is provided is, the first container 10
On be additionally provided with discharge outlet 120, discharge outlet 120 is used for the liquid in gas volume measurement apparatus 1 from the first container 10 and the
Discharged in two containers 20；Water discharging valve 121 is provided with discharge outlet 120, the opening and closing for controlling discharge outlet 120.
Circulating air way outlet 230 is additionally provided with second container 20, the hydrogen circulating pump 50 of air inlet 210 and fuel cell goes out
Mouth connects, and circulating air way outlet 230 connects with the check valve 60 of fuel cell；Circulating air is provided with circulating air way outlet 230
Way outlet valve 231, the opening and closing for controlling circulating air way outlet 230.
Fuel cell system can be circulated utilization to improve efficiency and life-span to hydrogen tail gas.So hydrogen circulation road
Flow value is a very important physical quantity.In existing process of the test, it can be tested from high precision flow, but
It is that its cost is very high.
When the test hydrogen using the present invention follows loop traffic, it is necessary to first be filled in the first container 10 and second container 20
The hydrogen circulation road of fuel cell, is then connected, as 210 pairs of the outlet of hydrogen circulating pump 50 and air inlet by full water with the device
Connect, pipeline is docked with circulating air way outlet 230 before fuel cell system check valve 60, open air intake valve 211 and circulating air
Way outlet valve 231；After fuel cell operation, the hydrogen of hydrogen circulation gas circuit enters second container 20, and water is squeezed into the first appearance
Device 10, opens water discharging valve 121 while coordinating so that water level showing rod 110 reaches 0 scale；Now close water discharging valve 121
With circulating air way outlet valve 231, hydrogen accumulation will be produced because hydrogen circulating pump 50 works always, in second container 20, will
Water is extruded into the first container 10, is formed liquid level, can be calculated the amounts of hydrogen in certain time, so as to derive hydrogen circulation
Hydrogen recycle stream amount in gas circuit；After certain time, circulating air way outlet valve 231 is opened, makes the hydrogen in second container 20
In the circulatory system for returning to fuel cell, liquid level is recovered to 0 graduation mark.It will be filled before test in the first container 10 and second container 20
The purpose of full water is to ensure not being mixed into other gases in gas volume measurement apparatus 1, to prevent from being eventually returned to fuel cell
Hydrogen in system influences the operation of fuel cell.
In summary, the gas volume measurement apparatus 1 that the present invention is provided, it includes the first of relative position relation fixation
Container 10 and second container 20, the first container 10 are used to place liquid, and the first container 10 and second container 20 are provided with opening；
The opening of second container 20 is located in the first container 10, and in the first container under 10 liquid level, and the container of the first container 10
Chamber is connected with the container chamber of second container 20；It is additionally provided with air inlet 210, and air inlet 210 and sets on second container 20
There is air intake valve 211, the opening and closing for controlling air inlet 210.In 1 pair of combustion of the gas volume measurement apparatus provided using the present invention
When row's hydrogen flowrate of material battery is tested, a certain amount of water is placed in the first container 10 and second container 20, by fuel electricity
Chi Paiqingguanlu is connected with air inlet 210, opens air intake valve 211, and hydrogen enters in second container 20, will using drainage
Water in second container 20 is extruded into the first container 10 connected with second container 20, and intake valve is closed at the end of row's hydrogen test
Door 211, while the row's of record hydrogen time, it is discharge hydrogen volume that the liquid level before and after the test of the row's hydrogen of the first container 10, which rises difference,
Divided by row's hydrogen time of record, you can it is converted into row's hydrogen amount of unit interval fuel cell.With using high-accuracy gas flowmeter
Row's hydrogen amount progress test to fuel cell is compared, and the gas volume measurement apparatus 1 that the present invention is provided is without to fuel cell
Tail row's hydrogen is dehumidified, and reduces the cost for setting drying device, also eliminates drying device to row's hydrogen amount test result
Influence；And compared with row's hydrogen amount of fuel cell is tested with conventional discharge method, the gas volume measurement apparatus 1 that the present invention is provided
It is simple to operate, will not misoperation influence measurement data accuracy, while fuel cell hydrogen discharging pipe road and air inlet 210 are direct
Connection, also reduces the danger of test hydrogen discharge amount.
The fuel cell module provided in the present invention, including fuel cell and upper described gas volume measurement apparatus 1, institute
The hydrogen discharging pipe road for stating fuel cell connects with the air inlet 210.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a kind of gas volume measurement apparatus, it is characterised in that the gas volume measurement apparatus includes relative position relation
The first fixed container and second container, first container are used to place liquid, and first container and second container are all provided with
It is equipped with opening；The opening of the second container is located in first container, and under the liquid level in first container, and institute
The container chamber for stating the first container is connected with the container chamber of the second container；
Be additionally provided with the second container on air inlet, and the air inlet and be provided with air intake valve, for control it is described enter
The opening and closing of gas port.
2. gas volume measurement apparatus according to claim 1, it is characterised in that the side of first container is provided with
Graduation mark is provided with water level showing rod, water level showing rod, the water level showing rod is positioned over first container for display
The liquid level value of interior liquid.
3. gas volume measurement apparatus according to claim 1, it is characterised in that the row of being additionally provided with the second container
Drain tap is provided with gas port, the exhaust outlet, the opening and closing for controlling the exhaust outlet.
4. gas volume measurement apparatus according to claim 3, it is characterised in that dilution machine is provided with outside the exhaust outlet
Structure, for being diluted to the gas discharged from the exhaust outlet after in air is discharged into.
5. gas volume measurement apparatus according to claim 4, it is characterised in that the dilution mechanism is to be provided with exhaust
Fan outside mouthful, the fan rotates generation mass air flow and the gas discharged from the exhaust outlet is diluted.
6. gas volume measurement apparatus according to claim 1 or 2, it is characterised in that the gas volume measurement apparatus
On be additionally provided with timing unit, the timing unit is used for the use time for calculating the gas volume measurement apparatus.
7. gas volume measurement apparatus according to claim 6, it is characterised in that the gas volume measurement apparatus is also wrapped
Computing unit is included, the computing unit can obtain the difference of water level showing rod and the timing result of timing unit, and obtain
The difference result of water level showing rod in unit interval.
8. gas volume measurement apparatus according to claim 1, it is characterised in that the row of being additionally provided with first container
The mouth of a river, the discharge outlet is used to arrange the liquid in the gas volume measurement apparatus out of first container and second container
Go out；
Water discharging valve is provided with the discharge outlet, the opening and closing for controlling the discharge outlet.
9. gas volume measurement apparatus according to claim 8, it is characterised in that be additionally provided with and follow on the second container
Ring gas circuit is exported, and the air inlet connects with the hydrogen circulating-pump outlet of fuel cell, the circulating air way outlet and fuel cell
Check valve connect；
Circulating air way outlet valve is provided with the circulating air way outlet, the opening and closing for controlling the circulating air way outlet.
10. a kind of fuel cell module, it is characterised in that including the gas described in fuel cell and claim 1-9 any one
Body volume measurement device, the hydrogen discharging pipe road of the fuel cell connects with the air inlet.
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| CN201710153078.0A CN106949943A (en) | 2017-03-15 | 2017-03-15 | Gas volume measurement apparatus and fuel cell module |
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| CN201710153078.0A CN106949943A (en) | 2017-03-15 | 2017-03-15 | Gas volume measurement apparatus and fuel cell module |
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| CN107817035A (en) * | 2017-11-13 | 2018-03-20 | 安毅 | A kind of method of simple calibration mass air flow sensor |
| CN109115298A (en) * | 2018-09-05 | 2019-01-01 | 广西玉柴机器股份有限公司 | A kind of method and device measuring catalyst unit volume in irregular shape |
| CN109708707A (en) * | 2019-02-20 | 2019-05-03 | 中国海洋石油集团有限公司 | A kind of gas flow surveying instrument and measurement method |
| CN113532577A (en) * | 2021-07-09 | 2021-10-22 | 中国科学院广州能源研究所 | Device and method for detecting volume of gas sampling bag |
| CN113899654A (en) * | 2021-10-11 | 2022-01-07 | 重庆大学 | Experiment system and experiment method for measuring coal sample gas loss amount |
| CN115184824A (en) * | 2022-09-14 | 2022-10-14 | 江苏时代新能源科技有限公司 | System, method and device for measuring residual space in battery |
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Application publication date: 20170714 |