CN217691235U - Fuel cell ejector test simulation electric pile device - Google Patents
Fuel cell ejector test simulation electric pile device Download PDFInfo
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- CN217691235U CN217691235U CN202221640269.2U CN202221640269U CN217691235U CN 217691235 U CN217691235 U CN 217691235U CN 202221640269 U CN202221640269 U CN 202221640269U CN 217691235 U CN217691235 U CN 217691235U
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- ejector
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- 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
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Abstract
The utility model discloses a fuel cell ejector test simulation galvanic pile device relates to fuel cell galvanic pile test technical field, including the air supply, relief pressure valve, solenoid valve, first proportional valve, ejector, at least one simulation runner, ooff valve and the second proportional valve that connect gradually, be equipped with first flowmeter between relief pressure valve and the solenoid valve, be equipped with first pressure sensor between solenoid valve and the first proportional valve, be equipped with second pressure sensor between ejector and the simulation runner, wherein simulation runner, ooff valve and second proportional valve constitute the simulation galvanic pile; the utility model discloses a reposition of redundant personnel of a plurality of runners, the external appearance quantity of different power galvanic pile in the gaseous return circuit of simulation fuel cell, the flow resistance of simulation galvanic pile size and runner sets up tail row proportional valve control tail exhaust gas flow, realizes the simulation of galvanic pile hydrogen consumption volume, simple structure and easy operation.
Description
Technical Field
The utility model relates to a fuel cell galvanic pile test technical field, concretely relates to fuel cell ejector test simulation galvanic pile device.
Background
The hydrogen fuel cell can well meet the requirements of people on clean and efficient energy due to the characteristics of zero pollution, no noise, high efficiency and the like. When the fuel cell system works, unreacted hydrogen of the fuel cell needs to be recycled, so that the exhaust emission is reduced and the energy consumption is reduced. The ejector has the advantages of simple structure, high reliability, no moving part and the like, and is an ideal hydrogen recycling device for the fuel cell. The flow range suitable for matching the ejector and the power range of the hydrogen fuel cell are the key points for developing the ejector.
The ejector is mainly used for testing the refractive index (the ratio of the mass flow of the ejection fluid to the mass flow of the working fluid) under various working conditions by accurately controlling the outlet pressure of the ejector and the pressure of the ejection fluid. But the size of the galvanic pile and the flow resistance of the flow channel also have great influence on the ejector. The existing ejector testing device has the defect that the ejector rate under each working condition inside the electric pile cannot be completely simulated.
Disclosure of Invention
To the defect that exists among the prior art, the utility model aims at providing a fuel cell ejector test simulation pile device.
In order to achieve the above purpose, the utility model adopts the technical proposal that:
the utility model provides a fuel cell ejector test simulation pile device, is equipped with first flowmeter including the air supply, relief pressure valve, solenoid valve, first proportional valve, ejector, at least one simulation runner, ooff valve and the second proportional valve that connect gradually between relief pressure valve and the solenoid valve, is equipped with first pressure sensor between solenoid valve and the first proportional valve, is equipped with second pressure sensor between ejector and the simulation runner, and wherein simulation runner, ooff valve and second proportional valve constitute the simulation pile.
On the basis of the technical scheme, a circulation loop is arranged between the simulation flow channel and the ejector, and a third pressure sensor is arranged on the circulation loop.
On the basis of the technical scheme, a second flowmeter is arranged between the simulation flow channel and the ejector.
On the basis of the technical scheme, a flow resistance adjusting device is arranged in the simulation flow channel, and the flow resistance adjusting device is an adjustable gas pipeline damper.
On the basis of the technical scheme, two or more simulation flow channels are completely the same or different.
On the basis of the technical scheme, the electromagnetic valve is one of a direct-acting electromagnetic valve, a step-by-step direct-acting electromagnetic valve or a pilot-operated electromagnetic valve.
In addition to the above technical solution, the first proportional valve and/or the second proportional valve is one or a combination of an electromagnetic proportional valve, an electric proportional valve, and an electrohydraulic proportional valve.
On the basis of the technical scheme, the pressure reducing valve is one of a combined pressure reducing valve, an action type pressure reducing valve, a piston type pressure reducing valve, a film type pressure reducing valve, a direct-acting type pressure reducing valve or a pilot type pressure reducing valve.
On the basis of the technical scheme, the switch valve is a pneumatic switch valve or an electric switch valve.
On the basis of the technical scheme, the fuel cell ejector test simulation electric pile device is provided with a plurality of groups of simulation electric piles which are connected in parallel or in series.
Compared with the prior art, the utility model has the advantages of:
(1) The utility model provides a fuel cell ejector test simulation galvanic pile device shunts through a plurality of runners, and the external appearance of different power galvanic piles volume, the flow resistance of simulation galvanic pile size and runner in the simulation fuel cell gas circuit.
(2) The utility model provides a fuel cell ejector test simulation pile device realizes simulation pile hydrogen consumption, simple facility and easy operation through setting up tail row proportional valve control tail exhaust gas flow.
Drawings
Fig. 1 is a schematic structural diagram of a fuel cell injector test simulation stack device according to an embodiment of the present invention.
In the figure: the method comprises the following steps of 1-an air source, 2-a pressure reducing valve, 21-a first flowmeter, 3-an electromagnetic valve, 31-a first pressure sensor, 4-a first proportional valve, 5-an ejector, 51-a second pressure sensor, 61-a simulation flow channel, 62-a switch valve, 7-a second proportional valve, 8-a third pressure sensor and 9-a second flowmeter.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. The following description refers to the accompanying drawings in which the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
The terminology used in the disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present disclosure. The word "if" as used herein may be interpreted as "at" \8230; "or" when 8230; \8230; "or" in response to a determination ", depending on the context.
In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or may be connected between two elements through an intermediate medium, or may be directly connected or indirectly connected, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
Referring to fig. 1 shows the embodiment of the utility model provides a structural schematic diagram of fuel cell ejector test simulation pile device, including air supply 1 that connects gradually, relief pressure valve 2, solenoid valve 3, first proportional valve 4, ejector 5, at least one simulation runner 61, ooff valve 62 and second proportional valve 7, be equipped with first flowmeter 21 between relief pressure valve 2 and the solenoid valve 3, be equipped with first pressure sensor 31 between solenoid valve 3 and the first proportional valve 4, be equipped with second pressure sensor 51 between ejector 5 and the simulation runner 61, wherein simulation runner 61, ooff valve 62 and second proportional valve 7 constitute the simulation pile.
Because the inner wall of the pipe cannot be absolutely smooth, when the fluid flows through the pipe, the fluid generates frictional resistance with the pipe, and the pressure of the fluid is consumed, which is why the pressure of the fluid is reduced after the fluid flows through a certain length of the pipe, and the reduced pressure is consumed on the on-way resistance and the local resistance of the pipe. By reference to the physical phenomenon, the simple galvanic pile simulation device is provided, and is simple, convenient and easy to operate. This application is exactly frictional resistance through increase and decrease on-the-way resistance, and the simulation pile flow resistance changes, and 7 controlled pressure of second proportional valve or flow condition, simulation pile gas consumption.
The gas source 1 is connected with a pressure reducing valve 2, the pressure reducing valve 2 is connected with an electromagnetic valve 3, and a first flowmeter 21 is connected between the pressure reducing valve 2 and the electromagnetic valve 3; the electromagnetic valve 3 is connected with the first proportional valve 4, and a first pressure sensor 31 is connected between the electromagnetic valve 3 and the first proportional valve 4; the first pressure sensor 31 is connected to the inlet end of the ejector 5. The ejector 5 is connected with a switch valve 62 in the simulation galvanic pile, and the size of the galvanic pile and the caliber of the simulation flow channel 61 are simulated through the number of the switch valves 62 to simulate the flow resistance of the flow channel. The switch valve 62 is connected with the second proportional valve 7, the flow of the discharge gas at the tail of the galvanic pile is simulated through different opening degrees of the second proportional valve 7, the switch valve 62 is connected with the injection port of the ejector 5, and a circulation loop is arranged between the switch valve 62 and the ejector 5.
A circulation loop is arranged between the simulation flow channel 61 and the ejector 5, a third pressure sensor 8 is arranged on the circulation loop, a second flow meter 9 is arranged between the simulation flow channel 61 and the ejector 5, monitoring is carried out through the pressure and flow conditions in the circulation loop, and the condition that the hydrogen circulation condition of the simulation galvanic pile is consistent with the hydrogen circulation condition under the actual operation condition is guaranteed.
The simulation flow channel 61 is internally provided with a flow resistance adjusting device which is an adjustable gas pipeline damper and is used for adjusting the flow resistance of different pipelines without actually replacing the pipelines.
The two or more simulation channels 61 are completely the same or different, the same simulation channel 61 can quantitatively adjust the increase and decrease of the pipeline to simulate the size and the flow resistance change condition of the galvanic pile, and different simulation channels 61 can be used for simulating the non-stage change condition with complex working condition galvanic pile flow resistance.
The electromagnetic valve 3 is one of a direct-acting electromagnetic valve, a step-by-step direct-acting electromagnetic valve or a pilot-operated electromagnetic valve.
The first proportional valve 4 and/or the second proportional valve 7 are one or a combination of an electromagnetic proportional valve, an electric proportional valve and an electrohydraulic proportional valve.
The pressure reducing valve 2 is one of a combined pressure reducing valve, an action type pressure reducing valve, a piston type pressure reducing valve, a diaphragm type pressure reducing valve, a direct-acting type pressure reducing valve or a pilot type pressure reducing valve. The on-off valve 62 is a pneumatic on-off valve or an electric on-off valve.
The fuel cell ejector test simulation galvanic pile device in the application is provided with a plurality of groups of simulation galvanic piles which are connected in parallel or in series, and can simulate the condition of combined operation of a plurality of galvanic piles and test and match the ejector.
The utility model discloses a plurality of runners reposition of redundant personnel, the external appearance quantity of different power galvanic pile in the simulation fuel cell gas return circuit, the flow resistance of simulation galvanic pile size and runner through setting up tail row proportional valve control tail exhaust gas flow, realizes simulation galvanic pile hydrogen consumption, simple convenient and easy operation.
The present invention is not limited to the above embodiments, and for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered to be within the protection scope of the present invention. Those not described in detail in this specification are within the skill of the art.
Claims (10)
1. The utility model provides a fuel cell ejector test simulation pile device which characterized in that: including air supply (1) that connects gradually, relief pressure valve (2), solenoid valve (3), first proportional valve (4), ejector (5), at least one simulation runner (61), ooff valve (62) and second proportional valve (7), be equipped with first flowmeter (21) between relief pressure valve (2) and solenoid valve (3), be equipped with first pressure sensor (31) between solenoid valve (3) and first proportional valve (4), be equipped with second pressure sensor (51) between ejector (5) and the simulation runner (61), wherein simulation runner (61), ooff valve (62) and second proportional valve (7) are constituteed and are simulated the pile.
2. The fuel cell injector test simulation stack apparatus of claim 1, wherein: and a circulating loop is arranged between the simulation flow channel (61) and the ejector (5), and a third pressure sensor (8) is arranged on the circulating loop.
3. The fuel cell ejector test simulation stack apparatus of claim 1, wherein: and a second flowmeter (9) is arranged between the simulation flow channel (61) and the ejector (5).
4. The fuel cell ejector test simulation stack apparatus of claim 1, wherein: and a flow resistance adjusting device is arranged in the simulation flow channel (61), and the flow resistance adjusting device is an adjustable gas pipeline damper.
5. The fuel cell injector test simulation stack apparatus of claim 1, wherein: two or more of the simulated flow channels (61) are identical or different.
6. The fuel cell injector test simulation stack apparatus of claim 1, wherein: the electromagnetic valve (3) is one of a direct-acting electromagnetic valve, a step-by-step direct-acting electromagnetic valve or a pilot-operated electromagnetic valve.
7. The fuel cell ejector test simulation stack apparatus of claim 1, wherein: the first proportional valve (4) and/or the second proportional valve (7) are one or a combination of an electromagnetic proportional valve, an electric proportional valve and an electrohydraulic proportional valve.
8. The fuel cell injector test simulation stack apparatus of claim 1, wherein: the pressure reducing valve (2) is one of a combined pressure reducing valve, an action type pressure reducing valve, a piston type pressure reducing valve, a film type pressure reducing valve, a direct-acting type pressure reducing valve or a pilot type pressure reducing valve.
9. The fuel cell ejector test simulation stack apparatus of claim 1, wherein: the switch valve (62) is a pneumatic switch valve or an electric switch valve.
10. The fuel cell ejector test simulation stack apparatus of claim 1, wherein: the fuel cell ejector test simulation electric pile device is provided with a plurality of groups of simulation electric piles which are connected in parallel or in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221640269.2U CN217691235U (en) | 2022-06-29 | 2022-06-29 | Fuel cell ejector test simulation electric pile device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221640269.2U CN217691235U (en) | 2022-06-29 | 2022-06-29 | Fuel cell ejector test simulation electric pile device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217691235U true CN217691235U (en) | 2022-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221640269.2U Active CN217691235U (en) | 2022-06-29 | 2022-06-29 | Fuel cell ejector test simulation electric pile device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217691235U (en) |
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2022
- 2022-06-29 CN CN202221640269.2U patent/CN217691235U/en active Active
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