CN113775535A - Air compressor system with cooling function, fuel cell system and control method - Google Patents

Air compressor system with cooling function, fuel cell system and control method Download PDF

Info

Publication number
CN113775535A
CN113775535A CN202111061356.2A CN202111061356A CN113775535A CN 113775535 A CN113775535 A CN 113775535A CN 202111061356 A CN202111061356 A CN 202111061356A CN 113775535 A CN113775535 A CN 113775535A
Authority
CN
China
Prior art keywords
air
fuel cell
intercooler
outlet
temperature
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111061356.2A
Other languages
Chinese (zh)
Inventor
刘小青
邓佳
梁未栋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhongshan Broad Ocean Motor Co Ltd
Original Assignee
Zhongshan Broad Ocean Motor Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhongshan Broad Ocean Motor Co Ltd filed Critical Zhongshan Broad Ocean Motor Co Ltd
Priority to CN202111061356.2A priority Critical patent/CN113775535A/en
Publication of CN113775535A publication Critical patent/CN113775535A/en
Priority to PCT/CN2022/079841 priority patent/WO2023035567A1/en
Pending legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
    • F04D29/5826—Cooling at least part of the working fluid in a heat exchanger
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08—Centrifugal pumps
    • F04D17/10—Centrifugal pumps for compressing or evacuating
    • F04D17/12—Multi-stage pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F04D25/082—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provision for cooling the motor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/5806—Cooling the drive system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
    • F04D29/5826—Cooling at least part of the working fluid in a heat exchanger
    • F04D29/5833—Cooling at least part of the working fluid in a heat exchanger flow schemes and regulation thereto
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04298—Processes for controlling fuel cells or fuel cell systems
    • H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
    • H01M8/04701—Temperature
    • H01M8/04738—Temperature of auxiliary devices, e.g. reformer, compressor, burner
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Sustainable Development (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Sustainable Energy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Fuel Cell (AREA)

Abstract

本发明公开了具有冷却功能的空压机系统、燃料电池系统及控制方法，包括驱动电机、一级空气压缩系统、二级空气压缩系统和中冷器，在二级空气压缩系统的第三空气出口处安装温度传感器，温度传感器检测二级空气压缩系统的第三空气出口排出的空气温度，并送到燃料电池系统控制器，燃料电池系统控制器根据温度信号控制冷却循环系统的输入到中冷器的冷却液流量来动态调节散热能力，从而间接调节二级空气压缩系统的第三空气出口的排出空气的温度，形成闭环控制，可以有效控制二级空气压缩系统的第三空气出口排出的空气温度，适应燃料电池电堆模块的要求，提高系统的运行效率和可靠性。

Figure 202111061356

The invention discloses an air compressor system with cooling function, a fuel cell system and a control method, including a drive motor, a primary air compression system, a secondary air compression system and an intercooler, and a third air compressor in the secondary air compression system A temperature sensor is installed at the outlet. The temperature sensor detects the temperature of the air discharged from the third air outlet of the secondary air compression system and sends it to the fuel cell system controller. The fuel cell system controller controls the input of the cooling circulation system to the intercooler according to the temperature signal. The cooling liquid flow of the radiator is used to dynamically adjust the heat dissipation capacity, thereby indirectly adjusting the temperature of the exhaust air from the third air outlet of the secondary air compression system, forming a closed-loop control, which can effectively control the air discharged from the third air outlet of the secondary air compression system. temperature, adapt to the requirements of the fuel cell stack module, and improve the operating efficiency and reliability of the system.

Figure 202111061356

Description

Air compressor system with cooling function, fuel cell system and control method
The technical field is as follows:
the invention relates to an air compressor system with a cooling function, a fuel cell system and a control method.
Background art:
fuel cells are an efficient and clean energy conversion device. The air compressor compresses external air, and then sends the compressed air into the fuel cell stack module to provide oxygen for one side of the cathode of the stack module. In the stack module, oxygen and hydrogen fed into the air undergo an electrochemical reaction, and the generated water is discharged together with the remaining air. The air compressor is a key component which is not lacked in the fuel cell, the power consumed by the air compressor accounts for about 15-25% of the total output power of the fuel cell, and the air compressor is a large energy consumer in the fuel cell auxiliary system, so how to effectively improve the efficiency of the air compressor and further improve the overall efficiency of the whole fuel cell system is a problem to be solved urgently in the whole industry.
At present, the centrifugal air compressor is widely used in fuel cells with the advantages of high efficiency, energy conservation, environmental protection and the like. Generally, a centrifugal air compressor compresses air to pressure required by the operating condition of a fuel cell in a two-stage pressurization mode, the temperature of the compressed air can reach more than 120 ℃, the air with high temperature is sent into a galvanic pile to damage the galvanic pile, the air can be sent into the galvanic pile for reaction only by cooling the air to 60-70 ℃ through an intercooler, the intercooler occupies a large space in the arrangement of the fuel cell, and the volume-to-power ratio of the fuel cell is reduced. In addition, the air compressor machine is the pressure boost of two-stage, and every level pressure boost all can be to the temperature of improvement air, and first-stage pressure boost is the back of air temperature improvement, and high-temperature gas molecule is more active more difficult compression more, and second-stage pressure boost must consume bigger power just can reach the purpose of secondary pressure boost.
Therefore, an air compressor with a cooling function needs to be designed, the air temperature at the outlet of the air compressor is reduced by adding the intercooling module between the first-stage supercharging and the second-stage supercharging, the efficiency of the air compressor is improved, an intercooler in a fuel cell is omitted, or the size of the intercooler in the fuel cell is reduced. Therefore, the efficiency of the whole fuel cell is improved, the structure is optimized, the volume is reduced, and the cost is reduced. For example, patent publication numbers are: CN209212609U, patent name: the invention patent of a two-stage air compression system with radial and axial diffusers has disclosed the following related technical solutions, but the above technical solutions have the following defects: 1) the air temperature output by the output end of the second-stage supercharging of the air compressor is lack of effective detection, and the intercooling module does not adjust the heat dissipation capacity of the intercooling module according to the air temperature output by the air compressor, so that the closed-loop control requirement cannot be formed, and the work of the fuel cell is influenced; 2) the motor of the air compressor works in a high temperature environment for a long time, so that the service life of a bearing system is influenced, and the service life of the motor is further influenced.
The invention content is as follows:
the invention aims to provide an air compressor system with a cooling function, and solves the technical problem that the air compressor system with the cooling function in the prior art cannot form closed-loop control in cooperation with an intercooler due to lack of temperature detection of output air, and the work of a fuel cell is influenced.
The invention further aims to provide an air compressor system with a cooling function, and the air compressor system with the cooling function solves the technical problems that the service life of a bearing is influenced and the faults of a motor are increased due to overhigh temperature of the working environment of a driving motor in the air compressor system with the cooling function in the prior art.
The third purpose of the invention is to provide a fuel cell system, which solves the technical problems of large volume, low modularization degree and difficult arrangement caused by separate manufacture and separated arrangement of an air compressor system and an intercooler in the prior art.
The purpose of the invention is realized by the following technical scheme.
Air compressor machine system with cooling function, including driving motor, one-level air compression system, second grade air compression system and intercooler, one-level air compression system and second grade air compression system install respectively at driving motor's both ends and by driving motor's main shaft drive, wherein:
a first air inlet of the primary air compression system performs primary compression on air and then outputs high-temperature primary compressed air;
a second air inlet of the intercooler is connected with a first air outlet of the primary air compression system, and high-temperature primary compressed air output from the primary air compression system is cooled by the intercooler to output low-temperature primary compressed air;
a third air inlet of the secondary air compression system is connected with a second air outlet of the intercooler, and a part of low-temperature primary compressed air output by the intercooler enters the third air inlet of the secondary air compression system, is subjected to secondary compression and is output from the third air outlet of the secondary air compression system;
the method is characterized in that: and a temperature sensor is arranged at a third air outlet of the secondary air compression system, and the temperature sensor detects the temperature of air discharged from the third air outlet of the secondary air compression system.
The other part of low-temperature primary compressed air output by the intercooler is sent to the interior of the driving motor to dissipate heat of a stator assembly and a bearing system in the driving motor.
The first-stage air compression system and the second-stage air compression system are centrifugal fan systems and comprise a volute and a wind wheel, and the wind wheel is connected with a main shaft of a driving motor.
The intercooler comprises a shell, a second air inlet, a second air outlet and a heat exchange device, wherein the heat exchange device is installed in the shell, the second air inlet, the second air outlet and the air branch outlet are respectively arranged at the bottom and the top of the shell, and the left side and the right side of the shell are respectively provided with a cooling liquid inlet and a cooling liquid outlet.
An air branch outlet of the intercooler is connected with an air inlet nozzle on the surface of the driving motor through a pipeline, then the stator assembly and the bearing system inside the driving motor are cooled, and finally the air is discharged from an air outlet nozzle on the surface of the driving motor.
A cooling liquid inlet cavity and a cooling liquid outlet cavity are arranged in the shell, the cooling liquid inlet cavity is communicated with a cooling liquid inlet, the cooling liquid outlet cavity is communicated with a cooling liquid outlet, and the heat exchange device is arranged between the cooling liquid inlet cavity and the cooling liquid outlet cavity.
The heat exchange device comprises a plurality of heat dissipation corrugated plates and a plurality of laminated plates with water channels, the heat dissipation corrugated plates and the laminated plates are distributed at intervals, a plurality of air flow channels are formed between the heat dissipation corrugated plates and the laminated plates, a second air inlet and a second air outlet are communicated through the air flow channels between air branch outlets, an upper baffle and a lower baffle are respectively installed at two ends of each laminated plate, the upper baffle and a shell form a cooling liquid inlet cavity, the lower baffle and the shell form a cooling liquid outlet cavity, and the cooling liquid inlet cavity and the cooling liquid outlet cavity are communicated through the water channels.
A first air outlet of the primary air compression system is communicated with a second air inlet of the intercooler; the second air outlet of the intercooler is connected to a third air inlet of the secondary air compression system through a connecting pipeline, the end portion of the connecting pipeline is provided with a mounting flange, a mounting boss protrudes from the top of the shell, the second air outlet of the intercooler is arranged in the middle of the mounting boss, and the mounting flange at the end portion of the connecting pipeline can be quickly and conveniently connected to the mounting boss.
A fuel cell system comprises a fuel cell stack module, a fuel cell system controller, a cooling circulation system and an air supply system, wherein the air supply system comprises a filter, an air compressor system and a humidifier, air is filtered by the filter, then pressurized by the air compressor system, then the humidity of the air is adjusted by the humidifier, and finally the air is conveyed to an air inlet of the fuel cell stack module, and the fuel cell system controller is characterized in that: the air compressor system is the air compressor system with the cooling function, the temperature sensor is installed at the third air outlet of the secondary air compression system, the temperature sensor detects the temperature of air discharged from the third air outlet of the secondary air compression system and sends the air to the fuel cell system controller, and the fuel cell system controller controls the flow of cooling liquid input to the intercooler of the cooling circulation system according to the temperature signal to dynamically adjust the heat dissipation capacity, so that the temperature of the air discharged from the third air outlet of the secondary air compression system is indirectly adjusted.
A control method of a fuel cell system that employs the above fuel cell system, characterized in that: when the fuel cell system controller controls the fuel cell stack module to start working, a self-checking flow is started:
step 1: judging whether an air temperature signal T detected by a temperature sensor is greater than a first set temperature T1, if so, controlling the cooling circulation system to increase the flow of cooling liquid input to an intercooler to improve the heat dissipation capacity of the intercooler by a fuel cell system controller, cooling air, and then entering the step 2; if not, the step 2 is also carried out;
step 2: judging whether an air temperature signal T detected by the temperature sensor is less than a second set temperature T2, if so, controlling the cooling circulation system to reduce the flow of cooling liquid input to the intercooler to reduce the heat dissipation capacity of the intercooler by the fuel cell system controller, heating the air, and then entering the step 3; if not, the step 3 is also carried out;
and step 3: and judging whether the air temperature signal T detected by the temperature sensor is greater than a second set temperature T2 and less than a first set temperature T1, if so, controlling the cooling circulation system to maintain the flow of the cooling liquid which is currently input into the intercooler by the fuel cell system controller, maintaining the heat dissipation capacity of the conventional intercooler, and enabling the fuel cell to enter a normal working mode.
Compared with the prior art, the invention has the following effects:
1) the scheme of the invention is that an intercooler and an air compressor system are integrated together, the intercooler and the air compressor system comprise a driving motor, a primary air compression system, a secondary air compression system and an intercooler, the primary air compression system and the secondary air compression system are respectively arranged at two ends of the driving motor and driven by a main shaft of the driving motor, a temperature sensor is arranged at a third air outlet of the secondary air compression system, the temperature sensor detects the temperature of air discharged from the third air outlet of the secondary air compression system and sends the air to a fuel cell system controller, the fuel cell system controller controls the flow of cooling liquid input into the intercooler of a cooling circulation system according to a temperature signal to dynamically adjust the heat dissipation capacity, thereby indirectly adjusting the temperature of the air discharged from the third air outlet of the secondary air compression system, forming closed-loop control, effectively controlling the temperature of the air discharged from the third air outlet of the secondary air compression system, the requirements of the fuel cell stack module are met, and the operation efficiency and the reliability of the system are improved.
2) The intercooler of the invention also outputs another part of low-temperature primary compressed air to the interior of the driving motor to dissipate heat of the stator assembly and the bearing system in the driving motor, so that the driving motor always works at a lower temperature, the service life of the bearing is prolonged, and the working reliability of the motor is improved.
3) The invention discloses a fuel cell system, which comprises a fuel cell stack module, a fuel cell system controller, a cooling circulation system and an air supply system, wherein the air supply system comprises a filter, an air compressor system and a humidifier, air is filtered by the filter, then is pressurized by the air compressor system, then is humidity-regulated by the humidifier and finally is conveyed to an air inlet of the fuel cell stack module, and the fuel cell system is characterized in that: the air compressor system is the centrifugal air compressor system with the cooling function, the temperature sensor is installed at the third air outlet of the secondary air compression system, the temperature sensor detects the temperature of air discharged from the third air outlet of the secondary air compression system and sends the air to the fuel cell system controller, and the fuel cell system controller controls the flow of cooling liquid input to the intercooler of the cooling circulation system according to a temperature signal to dynamically adjust the heat dissipation capacity, so that the temperature of the discharged air of the third air outlet of the secondary air compression system is indirectly adjusted.
4) Other advantages of the present invention are described in detail in the examples section.
Description of the drawings:
FIG. 1 is a block schematic diagram of a first embodiment of the present invention;
FIG. 2 is an angled perspective view of an embodiment of the present invention;
FIG. 3 is a perspective view of another angle provided by an embodiment of the present invention;
fig. 4 is an exploded view of an angle provided by an embodiment of the present invention.
FIG. 5 is an exploded view of another angle provided by the first embodiment of the present invention;
fig. 6 is a perspective view of an intercooler according to an embodiment of the present invention;
fig. 7 is a structural sectional view of an intercooler according to an embodiment of the present invention;
FIG. 8 is a perspective view of a heat exchange device according to one embodiment of the present invention;
FIG. 9 is a block schematic diagram of a second embodiment of the present invention;
FIG. 10 is a schematic diagram of closed loop control according to a second embodiment of the present invention;
FIG. 11 is a flowchart of a third embodiment of the present invention.
The specific implementation mode is as follows:
the present invention will be described in further detail below with reference to specific embodiments and with reference to the accompanying drawings.
The first embodiment is as follows:
as shown in fig. 1 to 8, the air compressor system with cooling function provided in this embodiment includes a driving motor 1, a primary air compression system 2, a secondary air compression system 3 and a intercooler 4, the primary air compression system 2 and the secondary air compression system 3 are respectively installed at two ends of the driving motor 1 and are driven by a main shaft of the driving motor 1, wherein: the primary air compression system 2 has a first air inlet 21 and a first air outlet 22; the intercooler 4 has a second air inlet 44 and a second air outlet 46; the secondary air compression system 3 has a third air inlet and a third air outlet 31.
The first air inlet 21 of the primary air compression system 1 performs primary compression on air and then outputs high-temperature primary compressed air;
the second air inlet 44 of the intercooler 4 is connected to the first air outlet 22 of the primary air compression system 2, and the high-temperature primary compressed air output from the primary air compression system 2 is cooled by the intercooler 4 to output low-temperature primary compressed air;
a third air inlet of the secondary air compression system 3 is connected with a second air outlet 46 of the intercooler 4, and a part of low-temperature primary compressed air output by the intercooler 4 enters the third air inlet of the secondary air compression system 3, is subjected to secondary compression and is output from a third air outlet 31 of the secondary air compression system 3;
the method is characterized in that: a temperature sensor 32 is installed at the third air outlet 31 of the secondary air compression system 3, and the temperature sensor 32 detects the temperature of air discharged from the third air outlet of the secondary air compression system 3.
According to the invention, the temperature sensor is arranged at the third air outlet of the secondary air compression system, the temperature sensor detects the temperature of air discharged from the third air outlet of the secondary air compression system and sends the air to the fuel cell system controller, and the fuel cell system controller controls the flow of cooling liquid input into the intercooler of the cooling circulation system according to the temperature signal to dynamically adjust the heat dissipation capacity, so that the temperature of the air discharged from the third air outlet of the secondary air compression system is indirectly adjusted, closed-loop control is formed, the temperature of the air discharged from the third air outlet of the secondary air compression system can be effectively controlled, the requirement of a fuel cell stack module is met, and the operation efficiency and reliability of the system are improved.
The other part of low-temperature primary compressed air output by the intercooler 4 is sent to the inside of the driving motor 1 to dissipate heat of the stator assembly and the bearing system inside the driving motor 1, so that the driving motor 1 always works at a lower temperature, the service life of the bearing is prolonged, and the working reliability of the motor is improved.
As shown in fig. 1 to 8, the intercooler 4 is installed at a side of the driving motor 1, and air enters the primary air compression train 2 from the air compressor first air inlet 21 and is then discharged from the first air outlet 22 of the primary air compression train 2 to form high-temperature primary compressed air.
The first air outlet 22 of the primary air compression train 2 is communicated with the second air inlet 44 of the intercooler 4; the second air outlet 46 of the intercooler 4 is connected to the third air inlet of the two-stage air compression system 3 by a connecting duct 33.
The end of the connection pipeline 33 is provided with a mounting flange 331, the top of the housing 40 protrudes with a mounting boss 45, the second air outlet 46 of the intercooler 4 is arranged in the middle of the mounting boss 45, and the mounting flange 331 at the end of the connection pipeline 33 can be quickly and conveniently connected to the mounting boss 45.
The temperature sensor 32 is installed at the third air outlet 31 of the two-stage air compression system 3, the temperature sensor 32 detects the temperature of air discharged from the third air outlet 31 of the two-stage air compression system 3, the installation through hole 311 is dug in the tail pipe wall of the third air outlet 31, and the temperature sensor 32 is installed on the installation through hole 311 in an embedded mode.
The intercooler 4 comprises a shell 40, a second air inlet 44, a second air outlet 46 and a heat exchange device 6, the heat exchange device 6 is installed in the shell 40, the second air inlet 44, the second air outlet 46 and the air branch outlet 43 are respectively arranged at the bottom and the top of the shell 40, the left side and the right side of the shell 40 are respectively provided with a cooling liquid inlet 41 and a cooling liquid outlet 42, the structure is simple, and the layout is reasonable.
A cooling liquid inlet cavity 47 and a cooling liquid outlet cavity 48 are arranged in the shell 40, the cooling liquid inlet cavity 47 is communicated with the cooling liquid inlet 41, the cooling liquid outlet cavity 48 is communicated with the cooling liquid outlet 42, the heat exchange device 6 is arranged between the cooling liquid inlet cavity 47 and the cooling liquid outlet cavity 48, and the structure is simple and the layout is reasonable.
The heat exchange device 6 includes a plurality of corrugated heat dissipating plates 64 and a plurality of plates 63 having water channels 631, the corrugated heat dissipating plates 64 and the plates 63 are spaced apart from each other, a plurality of air flow channels 65 are formed between the corrugated heat dissipating plates 64 and the plates 63, the second air inlet 44 is communicated with the second air outlet 46 and the air branch outlet 43 through the air flow channels 65, and the coolant inlet chamber 47 is communicated with the coolant outlet chamber 48 through the water channels 631. An upper baffle 61 and a lower baffle 62 are respectively installed at two ends of the laminated plate 63, the upper baffle 61 and the shell 40 form a cooling liquid inlet cavity 47, and the lower baffle 62 and the shell 40 form a cooling liquid outlet cavity 48. The structure is compact, the installation is convenient, and the manufacture is easy.
The other part of the low-temperature primary compressed air output by the intercooler 4 is sent to the inside of the driving motor 1 to dissipate heat of the stator assembly and the bearing system inside the driving motor 1, the air branch outlet 43 of the intercooler 4 is connected with the air inlet nozzle 11 on the surface of the driving motor 1 through the pipeline 5, then the stator assembly and the bearing system inside the driving motor 1 are dissipated heat, and finally the air is discharged from the air outlet nozzle 12 on the surface of the driving motor 1. The cooling capacity of the intercooler 4 is fully utilized to cool the driving motor 1, the working reliability is ensured, and the service life of the motor is prolonged.
The primary air compression system 2 and the secondary air compression system 3 are both centrifugal fan systems and comprise a volute and a wind wheel, and the wind wheel is connected with a main shaft of a driving motor.
Example two:
as shown in fig. 9 and 10, the present embodiment is a fuel cell system, including a fuel cell stack module, a fuel cell system controller, a cooling circulation system, and an air supply system, where the air supply system includes a filter, an air compressor system, and a humidifier, air is filtered by the filter, then pressurized by the air compressor system, then air humidity is adjusted by the humidifier, and finally delivered to an air inlet of the fuel cell stack module, and the fuel cell system controller is characterized in that: the air compressor system is the air compressor system with the cooling function described in the first embodiment, a temperature sensor 32 is installed at a third air outlet 31 of the secondary air compression system 3, the temperature sensor 32 detects the temperature of air discharged from the third air outlet of the secondary air compression system 3 and sends the air to the fuel cell system controller, and the fuel cell system controller controls the flow of cooling liquid of the cooling circulation system, which is input to the intercooler 4, according to a temperature signal to dynamically adjust the heat dissipation capacity, so that the temperature of the air discharged from the third air outlet of the secondary air compression system 3 is indirectly adjusted. The closed-loop control is formed, the temperature of air discharged from a third air outlet of the secondary air compression system can be effectively controlled, the requirements of a fuel cell stack module are met, and the operating efficiency and the reliability of the system are improved. The integrated fuel cell is high in integration, forms modularization, can omit an independent intercooler component of a traditional fuel cell, and is small in size and easy to arrange.
Example three:
as shown in fig. 11, the present embodiment is a control method of a fuel cell system that employs the fuel cell system according to the second embodiment, characterized in that: when the fuel cell system controller controls the fuel cell stack module to start working, a self-checking flow is started:
step 1: judging whether the air temperature signal T detected by the temperature sensor 32 is greater than a first set temperature T1, if so, controlling the cooling circulation system to increase the flow of the cooling liquid input to the intercooler 4 by the fuel cell system controller to improve the heat dissipation capacity of the intercooler, cooling the air, and then entering the step 2; if not, the step 2 is also carried out;
step 2: judging whether the air temperature signal T detected by the temperature sensor 32 is less than a second set temperature T2, if so, controlling the cooling circulation system to reduce the flow of the cooling liquid input to the intercooler 4 by the fuel cell system controller to reduce the heat dissipation capacity of the intercooler, heating the air, and then entering the step 3; if not, the step 3 is also carried out;
and step 3: and judging whether the air temperature signal T detected by the temperature sensor 32 is greater than a second set temperature T2 and less than a first set temperature T1, if so, controlling the cooling circulation system to maintain the flow of the cooling liquid currently input into the intercooler 4 and the heat dissipation capacity of the conventional intercooler 4 by the fuel cell system controller, and enabling the fuel cell to enter a normal working mode.
The air temperature supplied to the fuel cell stack module in the starting or running process can be effectively ensured, so that the fuel cell stack module works more efficiently and reliably.
The above embodiments are only preferred embodiments of the present invention, but the present invention is not limited thereto, and any other changes, modifications, substitutions, combinations, simplifications, which are made without departing from the spirit and principle of the present invention, are all equivalent replacements within the protection scope of the present invention.

Claims (10)

1.具有冷却功能的空压机系统，包括驱动电机(1)、一级空气压缩系统(2)、二级空气压缩系统(3)和中冷器(4)，一级空气压缩系统(2)和二级空气压缩系统(3)分别安装在驱动电机(1)的两端并由驱动电机(1)的主轴驱动，其中：1. An air compressor system with cooling function, including a drive motor (1), a primary air compression system (2), a secondary air compression system (3), an intercooler (4), and a primary air compression system (2) ) and the secondary air compression system (3) are respectively installed at both ends of the drive motor (1) and driven by the main shaft of the drive motor (1), wherein: 一级空气压缩系统(1)的第一空气入口(21)对空气进行一级压缩然后输出高温一次压缩空气；The first air inlet (21) of the primary air compression system (1) performs primary compression on the air and then outputs high-temperature primary compressed air; 所述的中冷器(4)的第二空气入口(44)连接在一级空气压缩系统(2)的第一空气出口(22)，从一级空气压缩系统(2)输出的高温一次压缩空气经过中冷器(4)的冷却输出低温一次压缩空气；The second air inlet (44) of the intercooler (4) is connected to the first air outlet (22) of the primary air compression system (2), and the high-temperature primary compression output from the primary air compression system (2) The air is cooled by the intercooler (4) to output low-temperature primary compressed air; 所述的二级空气压缩系统(3)的第三空气入口与中冷器(4)的第二空气出口(46)连接，中冷器(4)输出的一部分低温一次压缩空气进入二级空气压缩系统(3)的第三空气入口，然后经过二级压缩，从二级空气压缩系统(3)的第三空气出口(31)输出；The third air inlet of the secondary air compression system (3) is connected to the second air outlet (46) of the intercooler (4), and a part of the low-temperature primary compressed air output by the intercooler (4) enters the secondary air The third air inlet of the compression system (3) is then subjected to secondary compression and output from the third air outlet (31) of the secondary air compression system (3); 其特征在于：在二级空气压缩系统(3)的第三空气出口(31)处安装温度传感器(32)，温度传感器(32)检测二级空气压缩系统(3)的第三空气出口排出的空气温度。It is characterized in that: a temperature sensor (32) is installed at the third air outlet (31) of the secondary air compression system (3), and the temperature sensor (32) detects the air discharged from the third air outlet of the secondary air compression system (3). air temperature. 2.根据权利要求1所述的具有冷却功能的空压机系统，其特征在于：中冷器(4)还输出的另一部分低温一次压缩空气到驱动电机(1)的内部，对驱动电机(1)内部的定子组件和轴承系统进行散热。2. The air compressor system with cooling function according to claim 1, characterized in that: another part of the low-temperature primary compressed air also output by the intercooler (4) is sent to the inside of the drive motor (1), and the drive motor ( 1) The internal stator assembly and bearing system dissipate heat. 3.根据权利要求2所述的具有冷却功能的空压机系统，其特征在于：一级空气压缩系统(2)、二级空气压缩系统(3)都是离心式风机系统，包括蜗壳和风轮，风轮与驱动电机(1)的主轴连接。3. The air compressor system with cooling function according to claim 2, wherein the primary air compression system (2) and the secondary air compression system (3) are both centrifugal fan systems, comprising a volute and a fan. The wind wheel is connected with the main shaft of the driving motor (1). 4.根据权利要求1或2或3所述的具有冷却功能的空压机系统，其特征在于：所述的中冷器(4)包括壳体(40)、第二空气入口(44)、第二空气出口(46)和热交换装置(6)，热交换装置(6)安装在壳体(40)内，第二空气入口(44)、第二空气出口(46)和空气分支出口(43)分别设置在壳体(40)的底部和顶部，壳体(40)的左侧和右侧分别设有冷却液入口(41)和冷却液出口(42)。4. The air compressor system with cooling function according to claim 1, 2 or 3, wherein the intercooler (4) comprises a housing (40), a second air inlet (44), A second air outlet (46) and a heat exchange device (6), the heat exchange device (6) is installed in the housing (40), a second air inlet (44), a second air outlet (46) and an air branch outlet ( 43) are respectively arranged at the bottom and the top of the casing (40), and the left and right sides of the casing (40) are respectively provided with a cooling liquid inlet (41) and a cooling liquid outlet (42). 5.根据权利要求4所述的具有冷却功能的空压机系统，其特征在于：中冷器(4)的空气分支出口(43)通过管道(5)与驱动电机(1)表面的空气进气咀(11)连接，然后对驱动电机(1)内部的定子组件和轴承系统进行散热，最后从驱动电机(1)表面的空气出气咀(12)排出。5. The air compressor system with cooling function according to claim 4, characterized in that: the air branch outlet (43) of the intercooler (4) is connected to the air on the surface of the driving motor (1) through the pipe (5) The air nozzle (11) is connected, and then dissipates heat to the stator assembly and bearing system inside the driving motor (1), and finally is discharged from the air outlet nozzle (12) on the surface of the driving motor (1). 6.根据权利要求5所述的具有冷却功能的空压机系统，其特征在于：壳体(40)内设有冷却液进液腔室(47)和冷却液出液腔室(48)，冷却液进液腔室(47)与冷却液入口(41)连通，冷却液出液腔室(48)与冷却液出口(42)连通，热交换装置(6)布置在冷却液进液腔室(47)和冷却液出液腔室(48)之间。6. The air compressor system with cooling function according to claim 5, wherein the housing (40) is provided with a cooling liquid inlet chamber (47) and a cooling liquid outlet chamber (48), The cooling liquid inlet chamber (47) is communicated with the cooling liquid inlet (41), the cooling liquid outlet chamber (48) is communicated with the cooling liquid outlet (42), and the heat exchange device (6) is arranged in the cooling liquid inlet chamber (47) and the coolant outlet chamber (48). 7.根据权利要求6所述的具有冷却功能的空压机系统，其特征在于：热交换装置(6)包括若干片散热波纹板(64)和带有水道(631)的若干块层板(63)，若干片散热波纹板(64)和若干块层板(63)之间间隔分布，散热波纹板(64)与层板(63)之间形成若干空气流道(65)，第二空气入口(44)与第二空气出口(46)、空气分支出口(43)之间通过空气流道(65)连通，层板(63)的两端分别安装上挡板(61)和下挡板(62)，上挡板(61)与壳体(40)形成冷却液进液腔室(47)，下挡板(62)与壳体(40)形成冷却液出液腔室(48)，冷却液进液腔室(47)和冷却液出液腔室(48)之间通过若干水道(631)连通。7. The air compressor system with cooling function according to claim 6, characterized in that: the heat exchange device (6) comprises several heat dissipation corrugated plates (64) and several laminates (631) with water channels (631). 63), a number of heat dissipation corrugated plates (64) and a number of laminates (63) are spaced apart, and a number of air flow channels (65) are formed between the heat dissipation corrugated plate (64) and the laminate (63), and the second air The inlet (44) is communicated with the second air outlet (46) and the air branch outlet (43) through an air flow channel (65), and an upper baffle (61) and a lower baffle are respectively installed at both ends of the layer plate (63) (62), the upper baffle (61) and the casing (40) form a cooling liquid inlet chamber (47), and the lower baffle (62) and the casing (40) form a cooling liquid outlet chamber (48), The cooling liquid inlet chamber (47) and the cooling liquid outlet chamber (48) are communicated through several water channels (631). 8.根据权利要求7所述的具有冷却功能的空压机系统，其特征在于：一级空气压缩系(2)的第一空气出口(22)与中冷器(4)的第二空气入口(44)连通；中冷器(4)的第二空气出口(46)通过接驳管道(33)连接到二级空气压缩系统(3)的第三空气入口，上述的接驳管道(33)端部设置有安装法兰(331)，壳体(40)的顶部凸出有安装凸台(45)，中冷器(4)的第二空气出口(46)设置在安装凸台(45)的中间，通过接驳管道(33)端部的安装法兰(331)可以快速方便连接到安装凸台(45)上。8. The air compressor system with cooling function according to claim 7, characterized in that: the first air outlet (22) of the primary air compression system (2) and the second air inlet of the intercooler (4) (44) communicated; the second air outlet (46) of the intercooler (4) is connected to the third air inlet of the secondary air compression system (3) through a connecting pipe (33), and the above-mentioned connecting pipe (33) A mounting flange (331) is provided at the end, a mounting boss (45) protrudes from the top of the housing (40), and the second air outlet (46) of the intercooler (4) is arranged on the mounting boss (45) In the middle of the pipe (33), the installation flange (331) at the end of the connecting pipe (33) can be quickly and conveniently connected to the installation boss (45). 9.一种燃料电池系统，包括燃料电池电堆模块、燃料电池系统控制器、冷却循环系统和空气供应系统，空气供应系统包括过滤器、空压机系统和加湿器，空气经过过滤器过滤后，然后由空压机系统的加压，随后利用加湿器调节空气湿度，最后输送到燃料电池电堆模块的空气进入口，其特征在于：空压机系统是权利要求1至8任意一项所述的具有冷却功能的空压机系统，在二级空气压缩系统(3)的第三空气出口(31)处安装温度传感器(32)，温度传感器(32)检测二级空气压缩系统(3)的第三空气出口排出的空气温度，并送到燃料电池系统控制器，燃料电池系统控制器根据温度信号控制冷却循环系统的输入到中冷器(4)的冷却液流量来动态调节散热能力，从而间接调节二级空气压缩系统(3)的第三空气出口的排出空气的温度。9. A fuel cell system, comprising a fuel cell stack module, a fuel cell system controller, a cooling circulation system and an air supply system, wherein the air supply system includes a filter, an air compressor system and a humidifier, and the air is filtered by the filter. , and then pressurized by the air compressor system, then the air humidity is adjusted by a humidifier, and finally delivered to the air inlet of the fuel cell stack module, characterized in that: the air compressor system is any one of claims 1 to 8. In the described air compressor system with cooling function, a temperature sensor (32) is installed at the third air outlet (31) of the secondary air compression system (3), and the temperature sensor (32) detects the secondary air compression system (3) The temperature of the air discharged from the third air outlet is sent to the fuel cell system controller, and the fuel cell system controller controls the cooling fluid flow of the cooling circulation system input to the intercooler (4) according to the temperature signal to dynamically adjust the heat dissipation capacity, Thereby, the temperature of the exhaust air at the third air outlet of the secondary air compression system (3) is indirectly adjusted. 10.一种燃料电池系统的控制方法，燃料电池系统采用权利要求9所述的燃料电池系统，其特征在于：燃料电池系统控制器控制燃料电池电堆模块开始工作时，启动自检流程：10. A control method for a fuel cell system, wherein the fuel cell system adopts the fuel cell system according to claim 9, characterized in that: when the fuel cell system controller controls the fuel cell stack module to start working, a self-checking process is started: 步骤1：判断温度传感器(32)检测的空气温度信号T是否大于第一设定温度T1，如果是，则燃料电池系统控制器根控制冷却循环系统的增加输入到中冷器(4)的冷却液流量来提高中冷器散热能力，对空气降温，然后进入步骤2；如果否，也进入步骤2；Step 1: Determine whether the air temperature signal T detected by the temperature sensor (32) is greater than the first set temperature T1, if so, the fuel cell system controller will control the cooling cycle system to increase the cooling input to the intercooler (4). liquid flow to improve the heat dissipation capacity of the intercooler, cool the air, and then go to step 2; if not, also go to step 2; 步骤2：判断温度传感器(32)检测的空气温度信号T是否小于第二设定温度T2，如果是，则燃料电池系统控制器根控制冷却循环系统的减少输入到中冷器(4)的冷却液流量来降低中冷器散热能力，对空气升温，然后进入步骤3；如果否，也进入步骤3；Step 2: Determine whether the air temperature signal T detected by the temperature sensor (32) is less than the second set temperature T2, if so, the fuel cell system controller will control the cooling cycle system to reduce the cooling input to the intercooler (4). liquid flow to reduce the heat dissipation capacity of the intercooler, heat up the air, and then go to step 3; if not, also go to step 3; 步骤3：判断温度传感器(32)检测的空气温度信号T是否大于第二设定温度T2且小于第一设定温度T1，如果是，则燃料电池系统控制器根控制冷却循环系统的维持现有输入到中冷器(4)的冷却液流量，维持现有中冷器(4)的散热能力，燃料电池进入正常工作模式。Step 3: Determine whether the air temperature signal T detected by the temperature sensor (32) is greater than the second set temperature T2 and less than the first set temperature T1, if so, the fuel cell system controller controls the cooling cycle system to maintain the existing The cooling liquid flow input to the intercooler (4) maintains the heat dissipation capability of the existing intercooler (4), and the fuel cell enters the normal working mode.
CN202111061356.2A 2021-09-10 2021-09-10 Air compressor system with cooling function, fuel cell system and control method Pending CN113775535A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202111061356.2A CN113775535A (en) 2021-09-10 2021-09-10 Air compressor system with cooling function, fuel cell system and control method
PCT/CN2022/079841 WO2023035567A1 (en) 2021-09-10 2022-03-09 Air compressor system with cooling function, fuel cell system, and control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111061356.2A CN113775535A (en) 2021-09-10 2021-09-10 Air compressor system with cooling function, fuel cell system and control method

Publications (1)

Publication Number Publication Date
CN113775535A true CN113775535A (en) 2021-12-10

Family

ID=78842340

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111061356.2A Pending CN113775535A (en) 2021-09-10 2021-09-10 Air compressor system with cooling function, fuel cell system and control method

Country Status (2)

Country Link
CN (1) CN113775535A (en)
WO (1) WO2023035567A1 (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114745927A (en) * 2022-04-26 2022-07-12 珠海格力电器股份有限公司 Heat dissipation system
CN114857093A (en) * 2022-06-21 2022-08-05 山东硕源动力科技有限公司 Axial flow fan with rotating shaft part cooling function
CN115332572A (en) * 2022-08-26 2022-11-11 大洋电机燃料电池科技(中山)有限公司 Fuel cell system and purging control method thereof
WO2023035567A1 (en) * 2021-09-10 2023-03-16 中山大洋电机股份有限公司 Air compressor system with cooling function, fuel cell system, and control method
CN115823023A (en) * 2022-09-07 2023-03-21 势加透博洁净动力如皋有限公司 An air compressor with multi-stage cooling
CN116378977A (en) * 2023-04-06 2023-07-04 山东众海机械有限公司 Magnetic suspension centrifugal air compressor secondary compression system
CN116608140A (en) * 2023-06-08 2023-08-18 常州环能涡轮动力股份有限公司 Centrifugal supercharging air extraction system
CN116838609A (en) * 2023-07-05 2023-10-03 山东亿宁环保科技有限公司 Claw type vacuum pump cooling system
CN116928115A (en) * 2023-08-18 2023-10-24 苏州保邦电气有限公司 Magnetic suspension centrifugal air compressor
DE102023203636A1 (en) * 2023-04-20 2024-10-24 Mahle International Gmbh air supply module
CN119844352A (en) * 2025-02-08 2025-04-18 烟台东德实业有限公司 Control method of two-stage ion liquid seal gas compressor

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117021423B (en) * 2023-07-28 2024-04-19 南通三本电子有限公司 Intelligent heat radiation system for electronic controller die production
CN117393803A (en) * 2023-12-13 2024-01-12 深圳市氢蓝时代动力科技有限公司 Fuel cell cold start system
CN119393833B (en) * 2024-11-25 2025-10-21 珠海格力电器股份有限公司 Oxygen-generating air conditioner and control method thereof

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009238628A (en) * 2008-03-27 2009-10-15 Toyota Motor Corp Fuel cell system
CN109268295A (en) * 2018-11-20 2019-01-25 势加透博（北京）科技有限公司 A kind of two-stage air compression system with diameter axial direction diffuser
CN209115369U (en) * 2018-11-20 2019-07-16 势加透博（北京）科技有限公司 A kind of two stages of compression air supply system of fuel cell
CN209312917U (en) * 2018-12-27 2019-08-27 上海汽车集团股份有限公司 Air Supply System for High Power Fuel Cells
CN110611108A (en) * 2019-10-23 2019-12-24 中山大洋电机股份有限公司 Heating and inter-cooling integrated device, fuel cell system applying same and control method
CN111365298A (en) * 2020-04-10 2020-07-03 海德韦尔(太仓)能源科技有限公司 Air cooling system of electric centrifugal air compressor
CN112186217A (en) * 2020-08-18 2021-01-05 珠海格力电器股份有限公司 Fuel cell cooling temperature control method and system, storage medium and fuel cell
CN112234225A (en) * 2019-07-15 2021-01-15 深圳国氢新能源科技有限公司 Fuel cell gas supply system with fast response capability

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7478698B2 (en) * 2004-08-19 2009-01-20 Honda Motor Co., Ltd. Arrangement of intake and exhaust system components in a fuel cell powered vehicle
JP4779402B2 (en) * 2005-03-29 2011-09-28 トヨタ自動車株式会社 Fuel cell system
CN106655574B (en) * 2017-02-22 2023-06-09 上海优耐特斯压缩机有限公司 Rotor self-circulation cooling system and method of high-speed motor direct-drive turbine machine
CN108199062B (en) * 2017-12-29 2021-04-27 萍乡市慧成精密机电有限公司 Fuel cell air supply temperature control system and method
CN209704930U (en) * 2019-08-29 2019-11-29 势加透博洁净动力如皋有限公司 A kind of two-stage gas suspension centrifugal electric directly drives the cooling system of air compressor machine
CN111342079A (en) * 2020-03-14 2020-06-26 中山大洋电机股份有限公司 Cooling and heating dual-purpose intercooler, fuel cell system and control method
CN212935650U (en) * 2020-07-15 2021-04-09 稳力(广东)科技有限公司 Cooling structure of fuel cell centrifugal air compressor
CN113775535A (en) * 2021-09-10 2021-12-10 中山大洋电机股份有限公司 Air compressor system with cooling function, fuel cell system and control method

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009238628A (en) * 2008-03-27 2009-10-15 Toyota Motor Corp Fuel cell system
CN109268295A (en) * 2018-11-20 2019-01-25 势加透博（北京）科技有限公司 A kind of two-stage air compression system with diameter axial direction diffuser
CN209115369U (en) * 2018-11-20 2019-07-16 势加透博（北京）科技有限公司 A kind of two stages of compression air supply system of fuel cell
CN209312917U (en) * 2018-12-27 2019-08-27 上海汽车集团股份有限公司 Air Supply System for High Power Fuel Cells
CN112234225A (en) * 2019-07-15 2021-01-15 深圳国氢新能源科技有限公司 Fuel cell gas supply system with fast response capability
CN110611108A (en) * 2019-10-23 2019-12-24 中山大洋电机股份有限公司 Heating and inter-cooling integrated device, fuel cell system applying same and control method
CN111365298A (en) * 2020-04-10 2020-07-03 海德韦尔(太仓)能源科技有限公司 Air cooling system of electric centrifugal air compressor
CN112186217A (en) * 2020-08-18 2021-01-05 珠海格力电器股份有限公司 Fuel cell cooling temperature control method and system, storage medium and fuel cell

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023035567A1 (en) * 2021-09-10 2023-03-16 中山大洋电机股份有限公司 Air compressor system with cooling function, fuel cell system, and control method
CN114745927A (en) * 2022-04-26 2022-07-12 珠海格力电器股份有限公司 Heat dissipation system
CN114857093B (en) * 2022-06-21 2023-07-07 山东硕源动力科技有限公司 Axial flow fan with rotating shaft part cooling function
CN114857093A (en) * 2022-06-21 2022-08-05 山东硕源动力科技有限公司 Axial flow fan with rotating shaft part cooling function
CN115332572A (en) * 2022-08-26 2022-11-11 大洋电机燃料电池科技(中山)有限公司 Fuel cell system and purging control method thereof
CN115332572B (en) * 2022-08-26 2025-10-10 大洋电机燃料电池科技(中山)有限公司 Fuel cell system and purge control method thereof
CN115823023A (en) * 2022-09-07 2023-03-21 势加透博洁净动力如皋有限公司 An air compressor with multi-stage cooling
CN116378977A (en) * 2023-04-06 2023-07-04 山东众海机械有限公司 Magnetic suspension centrifugal air compressor secondary compression system
DE102023203636A1 (en) * 2023-04-20 2024-10-24 Mahle International Gmbh air supply module
CN116608140A (en) * 2023-06-08 2023-08-18 常州环能涡轮动力股份有限公司 Centrifugal supercharging air extraction system
CN116838609A (en) * 2023-07-05 2023-10-03 山东亿宁环保科技有限公司 Claw type vacuum pump cooling system
CN116838609B (en) * 2023-07-05 2024-02-27 山东亿宁环保科技有限公司 Claw type vacuum pump cooling system
CN116928115A (en) * 2023-08-18 2023-10-24 苏州保邦电气有限公司 Magnetic suspension centrifugal air compressor
CN119844352A (en) * 2025-02-08 2025-04-18 烟台东德实业有限公司 Control method of two-stage ion liquid seal gas compressor

Also Published As

Publication number Publication date
WO2023035567A1 (en) 2023-03-16

Similar Documents

Publication Publication Date Title
CN113775535A (en) Air compressor system with cooling function, fuel cell system and control method
CN109904489B (en) Fuel cell and new energy automobile
CA2873217C (en) Manifold for a fuel cell system
CN109921065B (en) Fuel cell cold start system and cold start control method
CN217387224U (en) Fuel cell system based on turbine pipe
CN113764700B (en) Fuel-electric system, control method of fuel-electric system and vehicle
CN112460048A (en) Bipolar centrifugal air compressor
CN114876824B (en) Air cooling structure of high-speed centrifugal air compressor and expander integrated system
CN114744238A (en) Fuel cell system and control method
CN111342079A (en) Cooling and heating dual-purpose intercooler, fuel cell system and control method
JP7514328B2 (en) HEAT EXCHANGER SYSTEM FOR OPERATION OF A FUEL CELL STACK - Patent application
CN110661020A (en) Air system of fuel cell
JP4494925B2 (en) Fuel cell unit
CN218731088U (en) Fuel cell system
CN115632147A (en) Energy recovery hoisting device and fuel cell energy recovery system
CN112701319B (en) Integrated fuel cell engine system
CN218827265U (en) A fuel cell air compressor module
CN116435546B (en) Fuel Cell Air Supply System and Control Method Based on Integrated Compression Expander
WO2025086938A1 (en) Multistage series energy recovery air compressor unit
CN115588756B (en) An integrated hydrogen fuel cell powertrain, its operating method, and a vehicle.
CN114810673B (en) Two-stage compression backflow internal circulation air cooling system of high-speed centrifugal compressor
CN214848712U (en) Fuel cell air path gas quantity distribution module and fuel cell system
CN117293352A (en) A fuel cell intercooling and humidification module and fuel cell system
CN222966161U (en) Air supply systems and vehicles
CN219993997U (en) Centrifugal compressor cooling system with graphene-assisted cooling function

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20211210

RJ01 Rejection of invention patent application after publication