CN114837915A - Air inlet pipeline and air inlet method of air compressor, fuel cell system and vehicle - Google Patents
Air inlet pipeline and air inlet method of air compressor, fuel cell system and vehicle Download PDFInfo
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- CN114837915A CN114837915A CN202110143943.XA CN202110143943A CN114837915A CN 114837915 A CN114837915 A CN 114837915A CN 202110143943 A CN202110143943 A CN 202110143943A CN 114837915 A CN114837915 A CN 114837915A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
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- 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
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
- H01M8/04111—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants using a compressor turbine assembly
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- 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
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04201—Reactant storage and supply, e.g. means for feeding, pipes
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Abstract
The invention relates to the field of fuel cell systems, in particular to an air inlet pipeline and an air inlet method of an air compressor, a fuel cell system and a vehicle.
Description
Technical Field
The invention relates to the field of fuel cell systems, in particular to an air inlet pipeline of an air compressor, a fuel cell system and a vehicle.
Background
Fossil energy consumption brings about energy depletion and increasingly serious environmental pollution, so that large-scale development and utilization of renewable energy sources are imperative. The hydrogen is used as an effective energy storage mode, electric energy is converted into chemical energy to be stored in the hydrogen in the peak period of renewable energy power generation, and the energy carried by the hydrogen is converted into the electric energy again through the fuel cell for use in the peak period of power utilization. The hydrogen fuel cell automobile has the characteristics of zero emission, no pollution and high efficiency, and is a new energy automobile with great potential.
When the hydrogen fuel cell engine is matched with a liquid hydrogen or high-pressure hydrogen system, the liquid hydrogen or the high-pressure hydrogen needs to be decompressed, vaporized or heated to about 50 ℃ before entering the fuel cell stack, and a large amount of heat needs to be absorbed in the process. The fuel cell stack can produce a large amount of waste heat in the course of working, adopt coolant liquid to dispel the heat to the stack usually to make the inside temperature of stack be in efficient operating temperature within range all the time.
Liquid hydrogen of the existing system generally exchanges heat with cooling liquid of a galvanic pile through a heat exchanger, so that gasification and temperature rise of hydrogen are realized; or directly exchanging heat with air, the existing air compressor has only one high-level air inlet pipe at the inlet, an air filter is arranged above the air inlet pipe, cooling air is not used, and the temperature of the inlet of the air compressor is the ambient temperature or the temperature in a cabin; therefore, in the prior art, the inlet temperature of the air compressor is influenced by the environment, so that the power consumption of the air compressor and the outlet temperature of the air compressor cannot be reduced, and an optimized space exists; and the cooling capacity of the liquid hydrogen gasification and temperature rise is not fully utilized.
In order to fully utilize the cooling capacity of liquid hydrogen, cold air subjected to heat exchange in the liquid hydrogen heating process can be utilized to cool inlet gas of the air compressor, the air temperature is about-100 ℃ after passing through the liquid hydrogen heat exchanger, the density of the cold air is higher than that of the air at normal temperature, the flow resistance is small, the pressure at the mixing part of the cold air and the air at normal temperature is unbalanced, more cold air flows into the inlet of the air compressor, the air inlet temperature of the air compressor is lower and lower, and the air compressor cannot work normally finally.
Disclosure of Invention
In view of the technical defects and technical drawbacks in the prior art, embodiments of the present invention provide an air intake duct and an air intake method for an air compressor, a fuel cell system, and a vehicle, which overcome the above problems or at least partially solve the above problems, and ensure matching between cooling air flow and atmospheric air flow while achieving a low temperature of air at an inlet of the air compressor.
As an aspect of the embodiment of the present invention, an air intake pipeline of an air compressor is provided, where the air intake pipeline includes a normal temperature atmosphere pipeline and a low temperature gas pipeline, an air inlet of the normal temperature atmosphere pipeline is communicated with atmosphere, an air inlet of the low temperature gas pipeline is communicated with low temperature gas, the low temperature gas pipeline is connected to the normal temperature atmosphere pipeline at a low position, and the normal temperature atmosphere pipeline and the low temperature gas pipeline are communicated with an air inlet of the air compressor through a mixed gas pipeline.
Further, the length and/or the diameter of the normal-temperature atmosphere pipeline and the low-temperature gas pipeline are/is determined according to the temperature and/or the pressure in the mixed gas pipeline.
Further, the normal temperature atmosphere pipeline is arranged in parallel with the horizontal plane, and the low temperature gas pipeline is vertically arranged at the bottom side of the normal temperature atmosphere pipeline.
Further, the normal-temperature atmosphere pipeline and the mixed gas pipeline are coaxially arranged.
Further, temperature sensors, flow rate sensors and/or pressure sensors are arranged in the normal-temperature atmosphere pipeline, the low-temperature gas pipeline and the mixed gas pipeline, and length adjusting mechanisms are arranged on the normal-temperature atmosphere pipeline and/or the low-temperature gas pipeline.
Further, the temperature sensor, the flow velocity sensor, the pressure sensor and the length adjusting mechanism are respectively in electrical signal connection with a control system, the control system calculates the flow ratio and the length of the normal-temperature atmosphere pipeline and the low-temperature gas pipeline according to the obtained temperature value and the obtained pressure value, and the length adjusting mechanism adjusts the length of the normal-temperature atmosphere pipeline and/or the low-temperature gas pipeline according to an output signal of the control system.
Further, the diameters of the normal-temperature atmosphere pipeline and the low-temperature gas pipeline are the same, and the ratio of the length of the normal-temperature atmosphere pipeline to the length of the low-temperature gas pipeline is set to be 1: 1.5-2.
As an aspect of the embodiments of the present invention, there is provided a fuel cell system including an air compressor having an air inlet communicated with an air outlet of a mixed gas pipe of an air inlet pipe of the air compressor as described above.
Further, the gas outlet of the air compressor is communicated with the air path of the electric pile, the normal-temperature atmosphere pipeline, the mixed gas pipeline and the air inlet of the air compressor are arranged in the horizontal direction, the low-temperature gas pipeline is arranged in the vertical direction, the air inlet of the low-temperature gas pipeline is communicated with the air outlet of the heat exchanger, the air inlet of the heat exchanger is communicated with the atmosphere, the hydrogen inlet of the heat exchanger is communicated with the hydrogen bottle, and the hydrogen outlet of the heat exchanger is communicated with the hydrogen path of the electric pile.
As still another aspect of the embodiment of the invention, there is provided a vehicle including the fuel cell system according to the above embodiment.
As another aspect of the embodiments of the present invention, there is provided an air intake method of an air compressor, the air intake method including,
communicating an air inlet of an air compressor with mixed gas of normal-temperature atmosphere and low-temperature gas;
setting the low-temperature gas pipeline as a low-level pipeline of a normal-temperature atmosphere pipeline, and mixing the low-temperature gas with the normal-temperature atmosphere of the normal-temperature atmosphere pipeline from bottom to top through the low-temperature gas pipeline;
the temperature and the pressure of the mixed gas at the air inlet of the air compressor are adjusted through the length and/or the diameter of the normal-temperature atmosphere pipeline and the low-temperature gas pipeline.
The embodiment of the invention realizes the technical effects that:
this embodiment is through setting up the low level pipeline with low temperature gas pipeline into normal atmospheric temperature pipeline, utilizes the design gravity of low level intake pipe to enable, simple effectual ambient air and the pressure balance of cooling air at the air compressor machine entry of having solved to can further adjust air temperature, the pressure of air compressor machine entry through the length or the diameter of low temperature gas pipeline and normal atmospheric temperature pipeline, avoid the air compressor machine to flow into too much low temperature air, and easy operation.
In addition, the fuel cell system provided by the embodiment of the invention can reduce the temperature of air at the inlet of the air compressor by means of the cooling capacity of liquid hydrogen, thereby reducing the temperature at the outlet of the air compressor, reducing or eliminating an intercooler and a radiator, reducing the power consumption of an auxiliary system of the fuel system, and simultaneously realizing the reduction of the power consumption of the air compressor; and can adjust air compressor machine entry temperature according to ambient temperature, overcome because the atmospheric pressure of cooling gas is lower for the cooling gas that flows in increases, the problem that the temperature of the entry of air compressor machine that leads to is too low.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The object and other advantages of the present invention can be achieved and attained by the structure particularly pointed out in the written description and drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of an air intake pipeline of an air compressor according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating an air intake method of an air compressor according to an embodiment of the present invention.
Description of the drawings: 1. an air compressor; 2. a normal temperature atmosphere pipeline; 3. a cryogenic gas line; 4. a mixed gas line; 5. a heat exchanger.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The figures and the following description depict alternative embodiments of the invention to teach those skilled in the art how to make and use the invention. Some conventional aspects have been simplified or omitted for the purpose of teaching the present invention. Those skilled in the art will appreciate that variations or substitutions from these embodiments will fall within the scope of the invention. Those skilled in the art will appreciate that the features described below can be combined in various ways to form multiple variations of the invention. Thus, the present invention is not limited to the following alternative embodiments, but is only limited by the claims and their equivalents.
Example one
This embodiment provides an air inlet pipeline of air compressor machine, as shown in fig. 1, air inlet pipeline includes normal atmospheric temperature pipeline 2 and low-temperature gas pipeline 3, the air inlet and the atmosphere of normal atmospheric temperature pipeline 2 are linked together, the air inlet and the low-temperature gas of low-temperature gas pipeline 3 are linked together, 3 low-order connections in of low-temperature gas pipeline normal atmospheric temperature pipeline 2, normal atmospheric temperature pipeline 2 with low-temperature gas pipeline 3 passes through mixed gas pipeline 4 and 1 air inlet intercommunication of air compressor machine.
In this embodiment, there are two air paths entering the air compressor, one of which is a normal temperature atmosphere pipeline long in L1, and the other of which is a low-level low-temperature air inlet pipe with a length of L2 and communicated with the low-temperature gas cooled by the heat exchanger 5; through adopting the low level to admit air with the help of gaseous self gravitational potential energy, can realize the low level pressure balance at the air compressor machine entrance of the low temperature air inlet pipe way cooling air that admits air and the normal atmospheric temperature air of normal atmospheric temperature pipeline, satisfy the flow ratio to normal atmospheric temperature air and cooling air, can realize pressure balance, the temperature is controllable through the diameter of adjusting the air inlet pipeline, the length realization pressure balance of normal atmospheric temperature pipeline L1 and low-level low temperature air inlet pipeline L2, it is great to have avoided cooling air density, the phenomenon such as pressure imbalance that the flow resistance is lower to arouse.
In one embodiment, the lengths and/or diameters of the normal-temperature atmosphere pipeline and the low-temperature gas pipeline are determined according to the temperature and/or pressure in the mixed gas pipeline. In this embodiment, through adjusting the length and the diameter of normal atmospheric temperature pipeline and low temperature gas pipeline can guarantee cooling air and atmospheric flow proportion, reduce air compressor machine entry gas temperature, and this temperature can be controlled in the temperature range that the air compressor machine can work.
In one embodiment, the normal temperature atmosphere pipeline is arranged in parallel with a horizontal plane, and the low temperature gas pipeline is vertically arranged at the bottom side of the normal temperature atmosphere pipeline. In this embodiment, the relationship between the required temperature and the length can be calculated and adjusted more conveniently, and errors caused by calculation are reduced, but in the embodiment of the present invention, one condition that the normal temperature atmosphere pipeline and the low temperature gas pipeline are perpendicular is not limited, the normal temperature atmosphere pipeline and the low temperature gas pipeline can be arranged at various angles, and the positions of the normal temperature atmosphere pipeline and the low temperature gas pipeline can be changed according to different space requirements, for example, 30 degrees, 60 degrees, and the like.
In one embodiment, the normal temperature atmosphere pipeline and the mixed gas pipeline are coaxially arranged for convenient installation, or the normal temperature atmosphere pipeline and the mixed gas pipeline are integrally formed, for example, the low temperature gas pipeline is connected with a pipeline in the horizontal direction in a T shape, and the pipeline is divided into the normal temperature atmosphere pipeline and the mixed gas pipeline at the joint.
In one embodiment, a temperature sensor, a flow rate sensor and/or a pressure sensor are arranged in the normal temperature atmosphere pipeline, the low temperature gas pipeline and the mixed gas pipeline, and a length adjusting mechanism is arranged in the normal temperature atmosphere pipeline and/or the low temperature gas pipeline. The length adjustment mechanism can be manual in this embodiment, also can be electronic, and manual structure can contain bolted connection extension pipeline, perhaps the pipeline cup joints slip etc. electronic then can be according to control signal, be connected with the motor, motor drive pipeline length is flexible.
In one embodiment, the temperature sensor, the flow velocity sensor, the pressure sensor and the length adjusting mechanism are respectively in electrical signal connection with a control system, the control system calculates the flow rate and the length of the normal-temperature atmospheric pipeline and the low-temperature gas pipeline according to the obtained temperature value and pressure value, and the length adjusting mechanism adjusts the length of the normal-temperature atmospheric pipeline and/or the low-temperature gas pipeline according to an output signal of the control system. In this embodiment, the control system may be a control module for individually controlling the length of the pipeline, or the function may be integrated in the whole control system of the fuel cell system, so that the length of the pipeline can be adjusted in real time according to the operation condition of the fuel cell, thereby controlling the flow ratio and adjusting the gas temperature at the inlet of the air compressor.
In one embodiment, the diameters of the normal-temperature atmosphere pipeline and the low-temperature gas pipeline are the same, and the ratio of the length of the normal-temperature atmosphere pipeline to the length of the low-temperature gas pipeline is set to be 1: 1.5-2. In the present embodiment, it is more convenient to adjust the length of the same, for example, L1-30 mm, L2-60 mm; the diameters of the normal-temperature atmosphere pipeline and the low-temperature air inlet pipeline are phi 80, the diameters of the L1 pipeline and the L2 pipeline are 40mm, and the flow ratio distribution of the ambient air and the cooling air of the high-power fuel cell air compressor can also be met. Of course, the flow rate ratio may be adjusted by adjusting the diameter and the length at the same time.
Example two
Based on the same technical concept as the above-mentioned embodiments, referring to fig. 2, the present embodiment provides an air intake method of an air compressor, the air intake method including,
s11, communicating an air inlet of the air compressor with mixed gas of normal-temperature atmosphere and low-temperature gas;
s12, setting the low-temperature gas pipeline as a low-level pipeline of the normal-temperature atmosphere pipeline, and mixing the low-temperature gas with the normal-temperature atmosphere of the normal-temperature atmosphere pipeline from bottom to top through the low-temperature gas pipeline;
s13, the temperature and pressure of the mixed gas at the air inlet of the air compressor are adjusted through the length and/or diameter of the normal temperature atmosphere pipeline and the low temperature gas pipeline.
In this embodiment, through the design of low level low temperature gas pipeline and normal atmospheric temperature pipeline, the flow distribution that can make normal atmospheric temperature pipeline and low temperature gas pipeline can realize that different atmospheric temperature all guarantees that the air compressor machine temperature is lower, and the inlet air temperature that the air compressor machine can work, makes air compressor machine inlet temperature controllable, realizes the holistic optimal design of system.
EXAMPLE III
Based on the same technical concept as the above embodiment, the air intake pipeline of the air compressor is applied to the fuel cell system in the embodiment, wherein the stack air path of the fuel cell system is communicated with the air compressor 1, and the air inlet of the air compressor is connected with the air intake pipeline of the air compressor.
Preferably, as shown in fig. 1, the air outlet of the air compressor 1 is communicated with the air circuit of the electric pile, the normal-temperature atmosphere pipeline 2, the mixed gas pipeline 4 and the air inlet of the air compressor are arranged in the horizontal direction, the low-temperature gas pipeline 3 is arranged in the vertical direction, the air inlet of the low-temperature gas pipeline 3 is communicated with the air outlet of the heat exchanger 5, the air inlet of the heat exchanger 5 is communicated with the atmosphere, the hydrogen inlet of the heat exchanger 5 is communicated with the hydrogen bottle, and the hydrogen outlet of the heat exchanger is communicated with the hydrogen circuit of the electric pile. The horizontal direction is parallel with the horizontal plane, the heat exchanger is a fuel cell heat exchanger utilizing liquid hydrogen, the structure of the heat exchanger can comprise an inner ring and an outer ring, the inner ring is communicated with the outer ring through a plurality of fins, a hydrogen inlet is arranged on the inner ring, a hydrogen outlet is arranged on the outer ring, an air flowing cavity is formed between the plurality of fins and the shell of the heat exchanger, the air flowing cavity comprises an air inlet and an air outlet, the air inlet is communicated with the ambient atmosphere, the air outlet is communicated with an air inlet of a low-temperature gas pipeline, the flow ratio of the low-temperature gas to the normal-temperature gas can be adjusted through the length of the low-temperature gas pipeline of the vertical section and the length ratio of the normal-temperature atmosphere pipeline of the horizontal section, and therefore the temperature of mixed gas entering the air compressor inlet is controlled.
Preferably, the temperature and pressure of the normal-temperature atmosphere pipeline, the low-temperature gas pipeline and the mixed gas pipeline can be obtained in real time through a control system of the fuel cell, and the optimal flow ratio of the normal-temperature atmosphere and the low-temperature gas can be calculated in real time, so that the lengths of the normal-temperature atmosphere pipeline and the low-temperature gas pipeline can be automatically or manually adjusted.
In the embodiment, the fuel cell system fully utilizes the cold energy contained in the liquid hydrogen, so that the energy utilization rate of the fuel is greatly improved, the air is cooled by utilizing the hydrogen bottle and the heat exchanger, the outlet temperature of the air compressor is ensured to be lower under the condition of reducing or eliminating an intercooler, a radiator can be eliminated, an additional cooling medium is not needed, and the power consumption of an auxiliary system of the fuel system is reduced; the temperature of the gas entering the air compressor can be further adjusted automatically or manually by adjusting the lengths of the low-temperature gas pipeline and the normal-temperature atmosphere pipeline, and the efficiency of the fuel cell system is improved.
Example four
Based on the same technical concept as the above-mentioned embodiment, this embodiment uses above-mentioned fuel cell system and vehicle, provide a vehicle including fuel cell system in any of the above-mentioned embodiments, the air inlet pipeline of air compressor in the fuel cell system of vehicle in this embodiment links to each other with the heat exchanger of normal atmospheric temperature and liquid hydrogen and air respectively, make full use of the cold energy that contains in the liquid hydrogen, the energy utilization of fuel has been improved greatly, the demand to intercooler and radiator has been reduced, the structure is compacter, can save space, and need not extra cooling medium, the comprehensive energy of more reasonable utilization fuel cell, the cost is practiced thrift in the promotion fuel economy, and meanwhile, can also adjust the temperature of air compressor machine entry according to ambient temperature, it is too low to have avoided the atmospheric temperature that flows in, the operating efficiency of fuel cell has been guaranteed.
In the foregoing description of exemplary embodiments of the invention, various features of the invention are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the invention and aiding in the understanding of one or more of the various inventive aspects. However, the method of the invention should not be construed to reflect the intent: that the invention as claimed requires more features than are expressly recited in each claim. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this invention.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. The utility model provides an air inlet pipeline of air compressor machine, its characterized in that, air inlet pipeline includes normal atmospheric temperature pipeline and low temperature gas pipeline, the air inlet and the atmosphere of normal atmospheric temperature pipeline are linked together, the air inlet and the low temperature gas of low temperature gas pipeline are linked together, low-level connection in normal atmospheric temperature pipeline, normal atmospheric temperature pipeline with the low temperature gas pipeline passes through the mist pipeline and communicates with the air compressor machine air inlet.
2. The air intake pipeline of the air compressor according to claim 1, wherein the lengths and/or diameters of the normal temperature atmosphere pipeline and the low temperature gas pipeline are determined according to the temperature and/or pressure in the mixed gas pipeline.
3. The air intake pipeline of the air compressor as claimed in claim 1, wherein the normal temperature atmosphere pipeline is disposed in parallel with a horizontal plane, and the low temperature gas pipeline is disposed vertically at a bottom side of the normal temperature atmosphere pipeline; and/or
The normal-temperature atmosphere pipeline and the mixed gas pipeline are coaxially arranged.
4. The air intake pipeline of the air compressor as claimed in claim 1, wherein the normal atmospheric pipeline, the low temperature gas pipeline and the mixed gas pipeline are provided therein with a temperature sensor, a flow rate sensor and/or a pressure sensor, and the normal atmospheric pipeline and/or the low temperature gas pipeline are provided therein with a length adjustment mechanism.
5. The air intake pipeline of the air compressor according to claim 4, wherein the temperature sensor, the flow rate sensor, the pressure sensor and the length adjustment mechanism are electrically connected to a control system, respectively, the control system calculates the flow rate and the length of the normal temperature atmosphere pipeline and the low temperature gas pipeline according to the obtained temperature value and pressure value, and the length adjustment mechanism adjusts the length of the normal temperature atmosphere pipeline and/or the low temperature gas pipeline according to an output signal of the control system.
6. The air intake pipeline of the air compressor as claimed in claim 1, wherein the normal temperature atmosphere pipeline and the low temperature gas pipeline have the same diameter, and the ratio of the length of the normal temperature atmosphere pipeline to the length of the low temperature gas pipeline is set to 1: 1.5-2.
7. A fuel cell system comprising an air compressor, characterized in that the air compressor inlet communicates with the air outlet of the mixed gas line of the air inlet line of the air compressor according to any one of claims 1 to 6.
8. The fuel cell system of claim 7, wherein the air outlet of the air compressor is communicated with the air circuit of the stack, the normal-temperature atmosphere pipeline, the mixed gas pipeline and the air inlet of the air compressor are horizontally arranged, the low-temperature gas pipeline is vertically arranged, the air inlet of the low-temperature gas pipeline is communicated with the air outlet of the heat exchanger, the air inlet of the heat exchanger is communicated with the atmosphere, the hydrogen inlet of the heat exchanger is communicated with the hydrogen bottle, and the hydrogen outlet of the heat exchanger is communicated with the hydrogen circuit of the stack.
9. A vehicle characterized by comprising the fuel cell system according to claim 7 or 8.
10. An air intake method of an air compressor is characterized by comprising the following steps,
communicating an air inlet of an air compressor with mixed gas of normal-temperature atmosphere and low-temperature gas;
setting the low-temperature gas pipeline as a low-level pipeline of a normal-temperature atmosphere pipeline, and mixing the low-temperature gas with the normal-temperature atmosphere of the normal-temperature atmosphere pipeline from bottom to top through the low-temperature gas pipeline;
the temperature and the pressure of the mixed gas at the air inlet of the air compressor are adjusted through the length and/or the diameter of the normal-temperature atmosphere pipeline and the low-temperature gas pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110143943.XA CN114837915A (en) | 2021-02-02 | 2021-02-02 | Air inlet pipeline and air inlet method of air compressor, fuel cell system and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110143943.XA CN114837915A (en) | 2021-02-02 | 2021-02-02 | Air inlet pipeline and air inlet method of air compressor, fuel cell system and vehicle |
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| CN114837915A true CN114837915A (en) | 2022-08-02 |
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Citations (7)
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| EP0855518A2 (en) * | 1997-01-24 | 1998-07-29 | The BOC Group plc | Process and apparatus for controlling the inlet temperature of an air compressor |
| CN201090537Y (en) * | 2007-08-23 | 2008-07-23 | 江西铜业集团公司 | Centrifugal compressor air inlet temperature cooling apparatus |
| KR20120131403A (en) * | 2011-05-25 | 2012-12-05 | 학교법인 두원학원 | Air-conditioning system using vortex tube |
| CN204793041U (en) * | 2015-05-08 | 2015-11-18 | 郑州宇通客车股份有限公司 | Fuel cell power generation system and use vehicle of this system |
| CN110116601A (en) * | 2018-02-06 | 2019-08-13 | 上海汽车集团股份有限公司 | A kind of air-conditioning duct silencer |
| CN209244784U (en) * | 2018-12-27 | 2019-08-13 | 浙江海畅气体有限公司 | A kind of pre-cooler of air compressor machine |
| CN214464770U (en) * | 2021-02-02 | 2021-10-22 | 北京亿华通科技股份有限公司 | Air inlet pipeline of air compressor, fuel cell system and vehicle |
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2021
- 2021-02-02 CN CN202110143943.XA patent/CN114837915A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0855518A2 (en) * | 1997-01-24 | 1998-07-29 | The BOC Group plc | Process and apparatus for controlling the inlet temperature of an air compressor |
| CN201090537Y (en) * | 2007-08-23 | 2008-07-23 | 江西铜业集团公司 | Centrifugal compressor air inlet temperature cooling apparatus |
| KR20120131403A (en) * | 2011-05-25 | 2012-12-05 | 학교법인 두원학원 | Air-conditioning system using vortex tube |
| CN204793041U (en) * | 2015-05-08 | 2015-11-18 | 郑州宇通客车股份有限公司 | Fuel cell power generation system and use vehicle of this system |
| CN110116601A (en) * | 2018-02-06 | 2019-08-13 | 上海汽车集团股份有限公司 | A kind of air-conditioning duct silencer |
| CN209244784U (en) * | 2018-12-27 | 2019-08-13 | 浙江海畅气体有限公司 | A kind of pre-cooler of air compressor machine |
| CN214464770U (en) * | 2021-02-02 | 2021-10-22 | 北京亿华通科技股份有限公司 | Air inlet pipeline of air compressor, fuel cell system and vehicle |
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