CN213928844U - Fuel cell air compressor system - Google Patents
Fuel cell air compressor system Download PDFInfo
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- CN213928844U CN213928844U CN202023229328.0U CN202023229328U CN213928844U CN 213928844 U CN213928844 U CN 213928844U CN 202023229328 U CN202023229328 U CN 202023229328U CN 213928844 U CN213928844 U CN 213928844U
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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 air compressor machine system relates to fuel cell technical field. The fuel cell air compressor system comprises a fuel cell, an air compressor and a turbocharger, wherein an air compressor air outlet of the air compressor is connected with a first main air inlet pipe, an air compressor air inlet of the turbocharger is communicated with the first main air inlet pipe through a first branch air inlet pipe, and an air compressor air outlet of the turbocharger is communicated with a fuel cell air inlet of the fuel cell through a second main air inlet pipe; the turbine air inlet of the turbocharger is communicated with the fuel cell air outlet of the fuel cell through an exhaust pipe. The utility model discloses fuel cell air compressor machine system has the advantage of low-power consumption, high pressure output, has satisfied the air pressure demand of galvanic pile among the fuel cell.
Description
Technical Field
The utility model relates to a fuel cell technical field, concretely relates to fuel cell air compressor machine system.
Background
The fuel cell industry is a new energy industry which is vigorously developed in China, the electric pile is a core component of the fuel cell, and along with the gradual improvement of technologies such as electric pile materials and the like, the air pressure requirement for entering the electric pile is also continuously improved, so that the air compressor needs to continuously improve the output pressure to meet the electric pile requirement.
At present, two main ways are available for increasing the pressure of an air compressor, namely increasing the power; secondly, through multi-stage series compression.
However, in the current fuel cell application environment, the maximum power output working condition only accounts for about 5% of the operation working condition, and other working conditions are in medium-low working condition operation for more than 60%, the air compressor greatly boosts the motor power in order to meet the highest requirement of 5%, so that the specific power consumption of the air compressor in the fuel cell system is greatly increased, the pneumatic consumption of the air compressor is doubled by using multi-stage compression, and the power consumption is also greatly increased.
SUMMERY OF THE UTILITY MODEL
To the above defect that prior art exists, the utility model provides a fuel cell air compressor machine system of low-power consumption, high pressure output to satisfy the air pressure demand of galvanic pile among the fuel cell.
In order to solve the technical problem, the utility model discloses a technical scheme is:
the fuel cell air compressor system comprises a fuel cell, an air compressor and a turbocharger, wherein an air compressor air outlet of the air compressor is connected with a first main air inlet pipe, an air compressor air inlet of the turbocharger is communicated with the first main air inlet pipe through a first branch air inlet pipe, and an air compressor air outlet of the turbocharger is communicated with a fuel cell air inlet of the fuel cell through a second main air inlet pipe; the turbine air inlet of the turbocharger is communicated with the fuel cell air outlet of the fuel cell through an exhaust pipe.
The fuel cell air compressor system further comprises a second branch air inlet pipe connected in series between the first main air inlet pipe and the second main air inlet pipe, the second branch air inlet pipe is connected with the first branch air inlet pipe in parallel, and the first main air inlet pipe is connected with the second branch air inlet pipe through a three-way control valve.
The fuel cell air compressor system further comprises a second branch air inlet pipe connected in series between the first main air inlet pipe and the second main air inlet pipe, the second branch air inlet pipe is connected with the first branch air inlet pipe in parallel, a first control valve is arranged on the first branch air inlet pipe, and a second control valve is arranged on the second branch air inlet pipe.
The first control valve is positioned between the air compressor air outlet and the air compressor air inlet.
The fuel cell air compressor system further comprises an intercooler arranged on the first main air inlet pipe.
Wherein, the intercooler is a water-cooled intercooler.
Wherein, the water-cooled intercooler and the cooling unit of the fuel cell are a cooling circulation system.
Wherein the turbocharger is a variable nozzle turbocharger.
Wherein, the air compressor machine is centrifugal air compressor machine.
By adopting the technical scheme, the beneficial effects of the utility model are that:
the utility model provides a fuel cell air compressor machine system under the condition that need not improve air compressor machine output pressure, utilizes fuel cell's pile tail gas energy drive turbo charger's turbine rotation to do work, and then drives turbo charger's compressor and carry out the secondary pressurization to the air by after the air compressor machine pressurization, not only makes the air output pressure of whole fuel cell air compressor machine system promote, does not increase fuel cell air compressor machine system's consumption moreover, consequently, compares with prior art, the utility model discloses fuel cell air compressor machine system has low-power consumption, high pressure output's advantage, has satisfied the air pressure demand of pile among the fuel cell.
Drawings
Fig. 1 is a block diagram of the structure of the fuel cell air compressor system of the present invention;
in the figure: 1-a first main air inlet pipe, 2-a first branch air inlet pipe, 3-a second main air inlet pipe, 4-an exhaust pipe, 5-a second branch air inlet pipe and 6-a three-way control valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As shown in fig. 1, the fuel cell air compressor system comprises a fuel cell, an air compressor and a turbocharger, wherein an air outlet of the air compressor is connected with a first main air inlet pipe 1, an air inlet of the air compressor of the turbocharger is communicated with the first main air inlet pipe 1 through a first branch air inlet pipe 2, and an air outlet of the air compressor of the turbocharger is communicated with an air inlet of the fuel cell through a second main air inlet pipe 3; the turbine inlet of the turbocharger is communicated with the fuel cell exhaust of the fuel cell through an exhaust pipe 4, and the turbine outlet of the turbocharger is communicated with the atmosphere.
The fuel cell air compressor machine system in this embodiment still includes the second branch intake pipe 5 of concatenating between first main intake pipe 1 and second main intake pipe 3, and second branch intake pipe 5 is parallelly connected with first branch intake pipe 2, and first main intake pipe 1, first branch intake pipe 2 and second branch intake pipe 5 pass through tee bend control valve 6 and connect.
When the electric pile of the fuel cell works under high load, air compressed by an air compressor enters the air compressor of the turbocharger through a first main air inlet pipe 1, a three-way control valve 6 and a first branch air inlet pipe 2 to be secondarily pressurized, and then enters the electric pile of the fuel cell through a second main air inlet pipe 3; when the fuel cell stack works at medium and low load, the energy of the waste gas generated by the fuel cell stack is insufficient, and at the moment, the air compressed by the air compressor can directly enter the fuel cell stack through the first main air inlet pipe 1, the three-way control valve 6, the second branch air inlet pipe 5 and the second main air inlet pipe 3.
In practical application, the three-way control valve 6 can also be replaced by a first control valve and a second control valve, that is, the first control valve is arranged on the first branch air inlet pipe 2, and preferably, the first control valve is positioned between the air outlet of the air compressor and the air inlet of the air compressor; a second control valve is provided on the second branch inlet pipe 5.
Because its temperature of air after the air compressor machine compression can rise, consequently, this embodiment has set up the intercooler on first main intake pipe 1, specifically, intercooler air inlet and intercooler air outlet of intercooler concatenate on first main intake pipe 1.
Because water-cooled intercooler cooling efficiency is high, and the mounted position is nimble, consequently, the preferred intercooler of this embodiment is water-cooled intercooler.
In order to facilitate the arrangement of the pipelines, the cooling unit of the intercooler and the fuel cell is preferably a cooling circulation system in this embodiment.
The turbocharger in this embodiment is preferably a variable nozzle turbocharger because the stack back pressure and the required pressure of the turbocharger can be adjusted by changing the throat area by changing the angle of the nozzle, and the back pressure valve can be replaced to provide the optimum flow rate and high supercharging efficiency.
The centrifugal air compressor has the advantages of high rotating speed, high air flow speed, smooth operation and high exhaust capacity, so that the centrifugal air compressor is preferably used in the embodiment.
When the fuel cell stack works, if the fuel cell stack is in a high-load state, air compressed by an air compressor enters the air compressor of the turbocharger through the first main air inlet pipe 1, the three-way control valve 6 and the first branch air inlet pipe 2 to be secondarily pressurized, and then enters the fuel cell stack through the second main air inlet pipe 3, so that the purpose of increasing the air inlet pressure is achieved; if the fuel cell stack is in a medium or low load state and the energy of the waste gas generated by the fuel cell stack is insufficient, the air compressed by the air compressor can directly enter the fuel cell stack through the first main air inlet pipe 1, the three-way control valve 6, the second branch air inlet pipe 5 and the second main air inlet pipe 3.
According to the above embodiment, the utility model discloses fuel cell air compressor machine system is under the condition that need not improve air compressor machine output pressure, utilize fuel cell's pile tail gas energy drive turbo charger's turbine rotation to do work, and then drive turbo charger's compressor carries out the secondary pressurization to the air after being pressurizeed by the air compressor machine, not only make the air output pressure of whole fuel cell air compressor machine system promote, and do not increase fuel cell air compressor machine system's consumption, low-power consumption has, high pressure output's advantage, the air pressure demand of pile in the fuel cell has been satisfied.
The present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes without the labor of creation from the above conception, which falls within the protection scope of the present invention.
Claims (9)
1. The fuel cell air compressor system comprises a fuel cell and an air compressor, and is characterized by also comprising a turbocharger,
the air outlet of the air compressor is connected with a first main air inlet pipe, the air inlet of the air compressor of the turbocharger is communicated with the first main air inlet pipe through a first branch air inlet pipe, and the air outlet of the air compressor of the turbocharger is communicated with the air inlet of the fuel cell through a second main air inlet pipe; the turbine air inlet of the turbocharger is communicated with the fuel cell air outlet of the fuel cell through an exhaust pipe.
2. The fuel cell air compressor system according to claim 1, further comprising a second branch intake pipe connected in series between the first main intake pipe and the second main intake pipe, the second branch intake pipe being connected in parallel with the first branch intake pipe, the first main intake pipe, the first branch intake pipe, and the second branch intake pipe being connected by a three-way control valve.
3. The fuel cell air compressor system according to claim 1, further comprising a second branch air intake pipe connected in series between the first main air intake pipe and the second main air intake pipe, wherein the second branch air intake pipe is connected in parallel with the first branch air intake pipe, the first branch air intake pipe is provided with a first control valve, and the second branch air intake pipe is provided with a second control valve.
4. The fuel cell air compressor system of claim 3, wherein the first control valve is located between the air compressor air outlet and the air compressor air inlet.
5. The fuel cell air compressor system of claim 1, further comprising an intercooler disposed on the first main intake duct.
6. The fuel cell air compressor system of claim 5, wherein the intercooler is a water-cooled intercooler.
7. The fuel cell air compressor system according to claim 6, wherein the water-cooled intercooler and the cooling unit of the fuel cell are a cooling circulation system.
8. The fuel cell air compressor system of claim 1, wherein the turbocharger is a variable nozzle turbocharger.
9. The fuel cell air compressor system of claim 1, wherein the air compressor is a centrifugal air compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023229328.0U CN213928844U (en) | 2020-12-28 | 2020-12-28 | Fuel cell air compressor system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023229328.0U CN213928844U (en) | 2020-12-28 | 2020-12-28 | Fuel cell air compressor system |
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| Publication Number | Publication Date |
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| CN213928844U true CN213928844U (en) | 2021-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023229328.0U Active CN213928844U (en) | 2020-12-28 | 2020-12-28 | Fuel cell air compressor system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114151365A (en) * | 2021-12-07 | 2022-03-08 | 海德韦尔(太仓)能源科技有限公司 | Two-stage parallel electric air compressor |
-
2020
- 2020-12-28 CN CN202023229328.0U patent/CN213928844U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114151365A (en) * | 2021-12-07 | 2022-03-08 | 海德韦尔(太仓)能源科技有限公司 | Two-stage parallel electric air compressor |
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