CN217687907U - Fuel cell air compressor performance test system with expander - Google Patents
Fuel cell air compressor performance test system with expander Download PDFInfo
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- CN217687907U CN217687907U CN202221438719.XU CN202221438719U CN217687907U CN 217687907 U CN217687907 U CN 217687907U CN 202221438719 U CN202221438719 U CN 202221438719U CN 217687907 U CN217687907 U CN 217687907U
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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 provides a take fuel cell air compressor machine capability test system of expander, includes integrated in compressor and expander of an organic whole, still includes: an air inlet pipeline; an air compression exhaust pipeline; one end of the expansion air inlet pipeline is connected with an air outlet of the buffer tank, and the other end of the expansion air inlet pipeline is connected with an air inlet of the expansion machine through a first water divider; one end of the expansion exhaust pipeline is connected with an exhaust port of the expansion machine, and a second water separator is arranged on the expansion exhaust pipeline; an air compressor cooling system; a humidification system. The flow, pressure and temperature data of the air inlet and the air outlet of the compressor are collected and recorded through the instrument, the humidity, pressure and temperature data of the air inlet and the air outlet of the expansion machine are collected and recorded, performance parameters such as the flow, the pressure ratio and the power of the compressor, the expansion machine or the whole machine can be obtained through calculation of the recorded data, and workers can debug unqualified parts of products in time, so that the product quality is guaranteed.
Description
The technical field is as follows:
the utility model relates to a take fuel cell air compressor machine capability test system of expander.
Background art:
at present, the development of new energy fuel cell automobiles is considered as an important link of traffic energy power conversion, in order to ensure the normal work of a fuel cell engine, the engine generally needs auxiliary systems such as a hydrogen supply subsystem, an air supply subsystem and a circulating water cooling management subsystem, and a large number of researches show that the high-pressure and large-flow air supply has an obvious effect of improving the power output of the existing fuel cell engine. Therefore, before air enters the engine, the air is pressurized, and a centrifugal air compressor is an energy conversion device for achieving the purpose and is one of important parts of an air supply system of the fuel cell engine.
In the air supply subsystem, the gas exhausted from the fuel cell is often recovered by using an expansion machine, the applicant also applies Chinese patent application for integrating a fuel cell air compressor and the expansion machine in the earlier stage, aiming at the fuel cell air compressor with the expansion machine, various performance indexes of the fuel cell air compressor, such as the flow, the pressure ratio, the power and the like of the compressor, the expansion machine and the whole machine, and the water distribution efficiency of a water distributor used in the system need to be detected before the air compressor is sold in the market, the existing detection system works independently, and no detection system can completely realize the detection function at present.
In conclusion, the problem of testing the performance of the fuel cell air compressor with the expander becomes a technical problem to be solved urgently in the industry.
The utility model has the following contents:
the utility model discloses a remedy prior art not enough, provide a take fuel cell air compressor machine capability test system of expander, solved the problem that the fuel cell air compressor machine performance of taking the expander in the past can't detect, solved detection system autonomous working, the incomplete problem of function in the past.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be:
the utility model provides a take fuel cell air compressor machine capability test system of expander, includes integrated in compressor and expander of an organic whole, still includes:
the air compression and air inlet pipeline is provided with a first air circuit flow meter, a first air circuit thermometer and a first air circuit pressure gauge;
one end of the air compression and exhaust pipeline is connected with an exhaust port of the compressor, the other end of the air compression and exhaust pipeline is communicated with an air inlet of the buffer tank through a backpressure valve and a second air passage flowmeter in sequence, and a second air passage thermometer, a second air passage pressure gauge, a third air passage thermometer and a third air passage pressure gauge are arranged on two sides of the backpressure valve respectively;
one end of the expansion air inlet pipeline is connected with an air outlet of the buffer tank, the other end of the expansion air inlet pipeline is connected with an air inlet of the expansion machine through a first water divider, and a first air path hygrometer, a fourth air path thermometer, a fourth air path pressure gauge, a second air path hygrometer, a fifth air path thermometer and a fifth air path pressure gauge are respectively arranged on two sides of the first water divider;
one end of the expansion exhaust pipeline is connected with an exhaust port of the expansion machine, a third air pipeline hygrometer, a sixth air pipeline thermometer and a sixth air pipeline pressure gauge are arranged on the expansion exhaust pipeline, and a second water separator is arranged on the expansion exhaust pipeline;
the air compressor cooling system is used for cooling a motor and a controller of the compressor;
the humidifying system is used for exchanging heat and humidifying the gas in the buffer tank.
And an air filter is arranged at the air inlet end of the air compression air inlet pipeline.
An air compression exhaust pipeline between the backpressure valve and the second air passage flowmeter is connected with an air compression exhaust branch through a tee joint, and a control valve is arranged on the air compression exhaust branch.
The air compressor cooling system comprises a constant-temperature water tank, and the constant-temperature water tank is connected with a controller water channel and a motor water channel of the compressor through a first water pump through pipelines.
The humidifying system is connected with a water inlet of the buffer tank through a first water conveying pipeline, a second water pump, a first water path flowmeter, a first water path thermometer and a first water path pressure meter are arranged on the first water conveying pipeline, the humidifying system is connected with a water outlet of the buffer tank through a second water conveying pipeline, and a second water path flowmeter, a second water path thermometer and a second water path pressure meter are arranged on the second water conveying pipeline.
The first water separator is connected with the humidifying system through a first water separation branch, and a first branch valve, a third water passage flowmeter, a third water passage thermometer and a third water passage pressure gauge are arranged on the first water separation branch.
The second water separator is connected with the humidifying system through a second water separation branch, and a second branch valve, a fourth water path flowmeter, a fourth water path thermometer and a fourth water path pressure gauge are arranged on the second water separation branch.
The utility model discloses a water leakage device, including buffer tank, vertical pipe, a plurality of shower head, buffer tank water outlet, buffer tank air inlet and buffer tank gas outlet, be equipped with vertical pipe in the buffer tank, the bottom of vertical pipe is the buffer tank water inlet, be equipped with a plurality of shower head on the vertical pipe, the lower part is equipped with the grid that leaks in the buffer tank, the buffer tank water outlet is established on the buffer tank casing of grid lower part that leaks, buffer tank air inlet and buffer tank gas outlet are established on the buffer tank casing on grid upper portion that leaks.
The above technical scheme is adopted in the utility model, following advantage has:
the method comprises the steps of discharging partial gas after a compressor is pressurized through a control valve to simulate air consumption in a fuel cell system, simulating the working environment of a fuel cell in a buffer tank, exchanging heat and humidifying gas discharged by the compressor, supplying the gas to a first water separator, separating liquid water through the first water separator, supplying the gas to an expander, cooling a controller and a motor of the compressor to be close to the real working environment by arranging an air compressor cooling system, so that various performances of the fuel cell air compressor with the expander can be accurately measured, collecting and recording flow, pressure and temperature data of an air inlet and an air outlet of the compressor through an instrument, collecting and recording humidity, pressure and temperature data of the air inlet and the air outlet of the expander, calculating performance parameters of the compressor, the expander or the flow, pressure ratio, power and the like through the recorded data, detecting front and back liquid flows of the first water separator and the second water separator through the instrument, testing the water separation efficiency of the first water separator and the second water separator, and debugging unqualified parts of products in time by working personnel, thereby ensuring the quality of the products.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the buffer tank of the present invention.
In the figure, 1, a motor, 2, a compressor, 3, an expander, 5, an air compressor cooling system, 6, a constant temperature water tank, 7, a first water pump, 8, a controller, 9, a buffer tank, 10, a humidifying system, 11, a first water pipeline, 12, a second water pump, WQ1, a first water way flowmeter, WT1, a first water way thermometer, WP1, a first water way pressure gauge, 13, a second water pipeline, WQ2, a second water way flowmeter, WT2, a second water way thermometer, WP2, a second water way pressure gauge, 14, an air compression inlet pipeline, Q1, a first air way flowmeter, T1, a first air way, P1, a first air way pressure gauge, 15, an air filter, 16, an air compression outlet pipeline pressure gauge, V1, a thermometer, Q2, a second air way flowmeter, T2, a second air way thermometer, T3, a third air way thermometer, P3, a third air way pressure gauge, 17, an air compression outlet branch pressure gauge, V2, a control valve, 18, an expansion air inlet pipeline, 19, a first water separator, H1, a first air path hygrometer, T4, a fourth air path thermometer, P4, a fourth air path pressure gauge, H2, a second air path hygrometer, T5, a fifth air path thermometer, P5, a fifth air path pressure gauge, 20, a first water diversion branch, V3, a first branch valve, WQ3, a third water path flowmeter, WT3, a third water path thermometer, WP3, a third water path, 21, an expansion air exhaust pipeline, H3, a third air path hygrometer, T6, a sixth air path thermometer, P6, a sixth air path pressure gauge, 22, a second water separator, 23, a second water diversion branch, a V4 pressure gauge, a second branch valve, WQ4, a fourth water path flowmeter, WT4, a fourth water path thermometer, WP4, a fourth water path, 91, a buffer tank, an air inlet 92, a buffer tank water inlet, an air outlet, 93, a buffer tank water inlet, 94. a water outlet of the buffer tank 95, a vertical pipe 96, a spray header 97 and a water leakage grid.
The specific implementation mode is as follows:
in order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments in combination with the accompanying drawings.
As shown in fig. 1-2, a system for testing the performance of a fuel cell air compressor with an expander comprises a compressor 2 and an expander 3 integrated into a whole, and further comprises:
the system comprises an air compressing and air inlet pipeline 14, wherein one end of the air compressing and air inlet pipeline 14 is connected with an air inlet of a compressor 2, a first air circuit flowmeter Q1, a first air circuit thermometer T1 and a first air circuit pressure gauge P1 are arranged on the air compressing and air inlet pipeline 14, and flow, pressure and temperature data of the air inlet of the compressor 2 are collected and recorded;
the device comprises an air compression exhaust pipeline 16, wherein one end of the air compression exhaust pipeline 16 is connected with an exhaust port of a compressor 2, the other end of the air compression exhaust pipeline 16 is sequentially communicated with an air inlet 91 of a buffer tank through a back pressure valve V1 and a second air path flowmeter Q2, the back pressure valve V1 is used for adjusting the air pressure exhausted from the exhaust port of the compressor 2, and a second air path thermometer T2, a second air path pressure gauge P2, a third air path thermometer T3 and a third air path pressure gauge P3 are respectively arranged on two sides of the back pressure valve V1 and are used for collecting and recording the temperature and pressure data in front of and behind the back pressure valve V1;
the expansion air inlet pipeline 18 is connected with one end of the buffer tank air outlet 92, the other end of the expansion air inlet pipeline 18 is connected with an air inlet of the expansion machine 3 through a first water divider 19, a first air path hygrometer H1, a fourth air path thermometer T4, a fourth air path pressure gauge P4, a second air path hygrometer H2, a fifth air path thermometer T5 and a fifth air path pressure gauge P5 are respectively arranged on two sides of the first water divider 19, and humidity, temperature and pressure data of the front and the back of the first water divider 19 are detected;
the expansion exhaust pipeline 21 is provided with a third air path hygrometer H3, a sixth air path thermometer T6 and a sixth air path pressure gauge P6, detects humidity, temperature and pressure data of the exhaust port of the expansion machine, is provided with a second water separator 22, and discharges gas discharged from the exhaust port of the expansion machine 3 into the air after being dehydrated by the second water separator 22;
the air compressor cooling system 5 is used for cooling the motor 1 and the controller 8 of the compressor 2;
a humidification system 10, the humidification system 10 is used for exchanging heat and humidifying the gas in the buffer tank 9.
And an air filter 15 is arranged at the air inlet end of the air compression inlet pipeline 14.
An air compression exhaust pipeline 16 between the back pressure valve V1 and the second air passage flowmeter Q2 is connected with an air compression exhaust branch 17 through a tee joint, the air compression exhaust branch 17 is provided with a control valve V2, the control valve V2 can discharge part of the gas pressurized by the compressor 2 to simulate air consumption in the fuel cell system, thereby controlling the flow and pressure of the second gas path flow meter Q2.
Air compressor machine cooling system 5 includes constant temperature water tank 6, constant temperature water tank 6 links to each other through 8 water courses of controller of first water pump 7 and compressor 2 and 1 water courses of motor through the pipeline, and simulation compressor cooling system is used for cooling down the compressor during operation, improves the accuracy of detection data.
The humidifying system 10 is connected with a water inlet 93 of the buffer tank through a first water conveying pipeline 11, a second water pump 12, a first water way flow meter WQ1, a first water way temperature meter WT1 and a first water way pressure meter WP1 are arranged on the first water conveying pipeline 11, the humidifying system 10 is connected with a water outlet 94 of the buffer tank through a second water conveying pipeline 13, and a second water way flow meter WQ2, a second water way temperature meter WT2 and a second water way pressure meter WP2 are arranged on the second water conveying pipeline 13. The working environment of the fuel cell is simulated in the buffer tank 9, the gas discharged from the compressor 2 is subjected to heat exchange and humidification to reach the set humidity and temperature, and then the gas is supplied to the expander 3, so that the accuracy of the detection data is improved.
The first water separator 19 is connected with the humidification system 10 through a first water separating branch 20, and a first branch valve V3, a third water flowmeter WQ3, a third water thermometer WT3 and a third water pressure gauge WP3 are arranged on the first water separating branch 20. The water in the first water diversion device 19 can be discharged to the humidification system 10 for recycling by opening the first branch valve V3, and the flow, temperature and pressure data of the first water diversion branch 20 can be detected.
The second water separator 22 is connected with the humidification system 10 through a second water separation branch 23, and a second branch valve V4, a fourth water flowmeter WQ4, a fourth water thermometer WT4 and a fourth water pressure meter WP4 are arranged on the second water separation branch 23. The second branch valve V4 can discharge the water of the second water separator 22 to the humidification system 10 for recycling, and detect the flow, temperature and pressure data of the second water separation branch 23.
Be equipped with vertical pipe 95 in the buffer tank 9, the bottom of vertical pipe 95 is buffer tank water inlet 93, be equipped with a plurality of shower head 96 on the vertical pipe 95, the lower part is equipped with the grid 97 that leaks in the buffer tank 9, buffer tank outlet 94 is established on the buffer tank casing of grid 97 lower part that leaks, buffer tank air inlet 91 and buffer tank gas outlet 92 are established on the buffer tank casing on the grid upper portion that leaks. Compressed hot gas output from an exhaust port of the compressor 2 enters the buffer tank 9 from an air inlet 91 of the buffer tank, cooling water of the humidification system 10 enters the vertical pipe 95 from a water inlet 93 of the buffer tank through the first water conveying pipeline 11, then is sprayed through the plurality of spray headers 96, the compressed hot gas is cooled and humidified in a spraying mode, the cooling water circulates back to the humidification system 10 from a water outlet 94 of the buffer tank through the second water conveying pipeline 13, the gas is discharged from an air outlet 92 of the buffer tank and enters the first water separator 19, and the gas is separated from liquid water through the first water separator 19 and then enters the expansion machine 3 to drive the expansion machine 3 to rotate, so that power is provided for work of the compressor 2.
The working principle is as follows:
the flow, pressure and temperature data of the air inlet of the compressor 2 and the flow, pressure and temperature data of the air outlet of the compressor 2 are compared and calculated to obtain performance parameters such as the flow, pressure ratio and power of the compressor 2, the humidity, pressure and temperature data of the air inlet and the air outlet of the expander 3 are compared and calculated to obtain performance parameters such as the pressure ratio and power of the expander 3, and the water diversion efficiency (= WQ 3/(WQ 1-WQ2-WQ 4)) of the first water diverter 19 is obtained by calculating the flow data before and after the first water diverter 19, and similarly, the water diversion efficiency (= WQ 4/(WQ 1-WQ2-WQ 3)) of the second water diverter 22 is obtained by calculating the flow data before and after the second water diverter 22. The invention mainly aims to place the fuel cell air compressor with the expander in the environment of a fuel cell simulation system to work and more approach to the real working environment so as to more accurately measure various performances of the fuel cell air compressor with the expander, detect and collect data of various positions through an instrument, calculate performance parameters such as flow, pressure ratio, power and the like of the compressor, the expander or the whole machine through recorded data, and debug unqualified parts of products in time by workers so as to ensure the product quality.
The above-mentioned specific embodiments can not be regarded as the restriction to the scope of protection of the utility model, to technical personnel in this technical field, it is right the utility model discloses any replacement improvement or transform that embodiment made all fall within the scope of protection of the utility model.
The parts of the present invention not described in detail are known to those skilled in the art.
Claims (8)
1. The utility model provides a take fuel cell air compressor machine capability test system of expander, includes integrated in compressor and expander of an organic whole, its characterized in that: further comprising:
the system comprises an air compressing and air inlet pipeline, a first air inlet pipeline and a second air inlet pipeline, wherein one end of the air compressing and air inlet pipeline is connected with an air inlet of a compressor, and a first air circuit flowmeter, a first air circuit thermometer and a first air circuit pressure gauge are arranged on the air compressing and air inlet pipeline;
the air compression and exhaust pipeline is characterized in that one end of the air compression and exhaust pipeline is connected with an exhaust port of the compressor, the other end of the air compression and exhaust pipeline is communicated with an air inlet of the buffer tank through a back pressure valve and a second air passage flowmeter in sequence, and a second air passage thermometer, a second air passage pressure gauge, a third air passage thermometer and a third air passage pressure gauge are arranged on two sides of the back pressure valve respectively;
one end of the expansion air inlet pipeline is connected with an air outlet of the buffer tank, the other end of the expansion air inlet pipeline is connected with an air inlet of the expansion machine through a first water divider, and a first air path hygrometer, a fourth air path thermometer, a fourth air path pressure gauge, a second air path hygrometer, a fifth air path thermometer and a fifth air path pressure gauge are respectively arranged on two sides of the first water divider;
one end of the expansion exhaust pipeline is connected with an exhaust port of the expansion machine, a third air pipeline hygrometer, a sixth air pipeline thermometer and a sixth air pipeline pressure gauge are arranged on the expansion exhaust pipeline, and a second water separator is arranged on the expansion exhaust pipeline;
the air compressor cooling system is used for cooling a motor and a controller of the compressor;
the humidifying system is used for exchanging heat and humidifying the gas in the buffer tank.
2. The system for testing the performance of the air compressor of the fuel cell with the expander as claimed in claim 1, wherein: and an air filter is arranged at the air inlet end of the air compression air inlet pipeline.
3. The system of claim 1 for testing the performance of an air compressor with an expander of a fuel cell, wherein: an air compression exhaust pipeline between the backpressure valve and the second air passage flowmeter is connected with an air compression exhaust branch through a tee joint, and a control valve is arranged on the air compression exhaust branch.
4. The system of claim 1 for testing the performance of an air compressor with an expander of a fuel cell, wherein: the air compressor cooling system comprises a constant-temperature water tank, and the constant-temperature water tank is connected with a controller water channel and a motor water channel of the compressor through a first water pump through pipelines.
5. The system for testing the performance of the air compressor of the fuel cell with the expander as claimed in claim 1, wherein: the humidifying system is connected with a water inlet of the buffer tank through a first water conveying pipeline, a second water pump, a first water path flowmeter, a first water path thermometer and a first water path pressure meter are arranged on the first water conveying pipeline, the humidifying system is connected with a water outlet of the buffer tank through a second water conveying pipeline, and a second water path flowmeter, a second water path thermometer and a second water path pressure meter are arranged on the second water conveying pipeline.
6. The system for testing the performance of the air compressor of the fuel cell with the expander as claimed in claim 1, wherein: the first water separator is connected with the humidifying system through a first water separation branch, and a first branch valve, a third water passage flowmeter, a third water passage thermometer and a third water passage pressure gauge are arranged on the first water separation branch.
7. The system for testing the performance of the air compressor of the fuel cell with the expander as claimed in claim 1, wherein: the second water separator is connected with the humidifying system through a second water separation branch, and a second branch valve, a fourth water path flowmeter, a fourth water path thermometer and a fourth water path pressure gauge are arranged on the second water separation branch.
8. The system for testing the performance of the air compressor of the fuel cell with the expander as claimed in claim 5, wherein: the utility model discloses a water leakage device, including buffer tank, vertical pipe, a plurality of shower head, buffer tank water outlet, buffer tank air inlet and buffer tank gas outlet, be equipped with vertical pipe in the buffer tank, the bottom of vertical pipe is the buffer tank water inlet, be equipped with a plurality of shower head on the vertical pipe, the lower part is equipped with the grid that leaks in the buffer tank, the buffer tank water outlet is established on the buffer tank casing of grid lower part that leaks, buffer tank air inlet and buffer tank gas outlet are established on the buffer tank casing on grid upper portion that leaks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221438719.XU CN217687907U (en) | 2022-06-09 | 2022-06-09 | Fuel cell air compressor performance test system with expander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221438719.XU CN217687907U (en) | 2022-06-09 | 2022-06-09 | Fuel cell air compressor performance test system with expander |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217687907U true CN217687907U (en) | 2022-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221438719.XU Active CN217687907U (en) | 2022-06-09 | 2022-06-09 | Fuel cell air compressor performance test system with expander |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217687907U (en) |
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2022
- 2022-06-09 CN CN202221438719.XU patent/CN217687907U/en active Active
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