CN217761099U - Air compressor for fuel cell system and fuel cell system - Google Patents
Air compressor for fuel cell system and fuel cell system Download PDFInfo
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- CN217761099U CN217761099U CN202222193787.0U CN202222193787U CN217761099U CN 217761099 U CN217761099 U CN 217761099U CN 202222193787 U CN202222193787 U CN 202222193787U CN 217761099 U CN217761099 U CN 217761099U
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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 an air compressor machine and fuel cell system that fuel cell system used, the air compressor machine includes the motor, compression mechanism and expansion mechanism install respectively at the both ends of motor and are connected with the pivot of motor, expansion mechanism includes first spiral case and first wind wheel, first spiral case has seted up first cavity, first runner, first air inlet and first gas outlet, the side of first spiral case is provided with the admission line, first gas outlet and first runner communicate with first cavity respectively, first air inlet communicates with first runner, first wind wheel is connected with the pivot of motor; the end of the air inlet pipeline is provided with a cylindrical sleeve installation part, the first air inlet is located at the end of the sleeve installation part and is arranged downwards, the first volute is provided with a heating assembly and a temperature sensor, the heating assembly is sleeved outside the sleeve installation part and used for heating the first volute and air entering through the first air inlet, and the temperature sensor is used for detecting the temperature in the first flow channel.
Description
The technical field is as follows:
the utility model belongs to the technical field of fuel cell, concretely relates to air compressor machine and fuel cell system that fuel cell system used.
The background art comprises the following steps:
the fuel cell system is an energy conversion device which generates electric energy through the electrochemical reaction of hydrogen and oxygen and has the advantages of high energy conversion efficiency, simple structure, low noise, no pollution and the like. Current fuel cell systems typically require three major auxiliary systems, a hydrogen supply system, an air supply system, and a cooling system to maintain proper operation of the overall system.
In the air supply system, in order to ensure the air supply quantity in the fuel cell stack, an air compressor is generally used for pressurizing air so as to improve the air supply efficiency, the air compressor is a large energy consumer in the whole fuel cell system, the consumed power accounts for about 15% -20% of the output power of the stack module of the fuel cell system, in order to save energy and improve the efficiency of the whole fuel cell, an expansion mechanism is generally arranged on the air compressor, the expansion mechanism improves the power of the whole air compressor by recovering the energy of high-temperature tail exhaust gas exhausted by the stack module of the fuel cell system, and the energy can be saved without increasing the power consumption in the process; specifically, the existing air compressor includes a motor, a compression mechanism and an expansion mechanism, the compression mechanism and the expansion mechanism are respectively installed at two ends of the motor and connected with a rotating shaft of the motor, the expansion mechanism includes a first volute and a first wind wheel, the first volute is provided with a first cavity, a first flow channel and a first air outlet, a side surface of the first volute is provided with an air inlet pipeline, an end portion of the air inlet pipeline is provided with a first air inlet, the first air outlet and the first flow channel are respectively communicated with the first cavity, the first air inlet is communicated with the first flow channel, the first wind wheel is installed in the first cavity and connected with the rotating shaft at one end of the motor, the compression mechanism includes a second volute and a second wind wheel, the second volute is provided with a second cavity, a second flow channel, a second air inlet and a second air outlet, the second air inlet and the second flow channel are respectively communicated with the second cavity, the second air outlet is communicated with the second flow channel, the second wind wheel is installed in the second cavity and connected with the rotating shaft at the other end of the motor, the motor drives the second wind wheel to rotate to compress air for use by a pile module of the fuel cell system, and an energy of the fuel cell system is generated by a pile module to drive the first wind wheel, thereby the motor to reduce energy loss, the motor, and the motor, so as to drive the tail of the motor to rotate, the motor, and the motor, thereby the motor to recover energy of the motor; specifically, the patent application with publication number CN 113339292A, named as a variable cross-section air compressor with an energy recovery unit for a fuel cell, may be referred to, but the air inlet of the vortex end (i.e. the expansion mechanism) of this solution is disposed upward, so that water is easily accumulated inside the volute of the vortex end.
In addition, because the high-temperature exhaust tail gas water content that the pile module of fuel cell system discharged is very high, if adopt the structure of the air inlet of whirlpool end (being the expansion mechanism) overall arrangement up, after fuel cell system shut down, moisture in the exhaust tail gas can condense into liquid water and collect and be detained the lowest department in the first spiral case of expansion mechanism, liquid water can condense into ice under the low temperature state, block the first runner of the first spiral case of expansion mechanism, in serious cases, can condense first wind wheel and first spiral case together even, thereby lead to the exhaust tail gas to discharge and be obstructed, damage the air compressor machine, bring the risk for fuel cell system.
In order to solve the above problems, the inventor has invented an anti-freezing fuel cell cold start system, specifically refer to the patent application with publication number CN 114256487A, entitled anti-freezing fuel cell cold start system, fuel cell system and ice melting method, and the scheme attaches the resistance wire assembly to the surface of the volute, and such a structure can heat the volute, thereby achieving the effect of ice melting, but because the volute is irregular, the resistance wire assembly is difficult to be completely attached to the surface of the volute, so that the operation is difficult, and the large area of the surface of the volute is heated, and much electric energy is consumed.
The invention content is as follows:
the utility model aims at providing an air compressor machine and fuel cell system that fuel cell system used can solve among the prior art inside easy ponding of spiral case, the technical problem of resistance wire unit mount difficulty.
The purpose of the utility model is realized by the following technical scheme.
An object of the utility model is to provide an air compressor machine that fuel cell system used, including the motor, compression mechanism and expansion mechanism install respectively at the both ends of motor and are connected with the pivot of motor, expansion mechanism includes first spiral case and first wind wheel, first spiral case has seted up first cavity, first runner, first air inlet and first gas outlet, the side of first spiral case is provided with the admission line, first gas outlet and first runner communicate with first cavity respectively, first air inlet communicates with first runner, first wind wheel is installed in first cavity and is connected with the pivot of one end of motor; the tip of inlet duct is provided with bushing installation department, and first air inlet is located bushing installation department's tip and the overall arrangement down, and bushing installation department outside cover is equipped with heating element, and heating element is used for heating first spiral case and the gas that gets into through first air inlet.
Preferably, a temperature sensor is mounted on the first volute and used for detecting the temperature in the first flow channel.
Preferably, the heating assembly comprises a heating sleeve and a heating wire installed on the inner wall surface of the heating sleeve, and the heating wire is attached to the outer surface of the sleeve installation part.
Preferably, the heating wire comprises a heating wire main body in a spiral line segment shape and wiring ends respectively connected to two end parts of the heating wire main body, and a through hole for the wiring end to extend out is formed in the side wall of the heating sleeve.
Preferably, the bushing portion is cylindric, the outside of admission line is provided with flange, and flange is located bushing portion's top, is provided with a plurality of mounting holes on the flange, the lateral surface of heating sheathed tube tip is provided with a plurality of bellied installation feet, and a plurality of installation feet correspond with a plurality of mounting holes, are provided with the screw on each installation foot, and the screw threaded connection who corresponds so that after adopting the screw to pass the mounting hole heating element with admission line fixed mounting.
Preferably, the compression mechanism comprises a second volute and a second wind wheel, the second volute is provided with a second cavity, a second flow channel, a second air inlet and a second air outlet, the second air inlet and the second flow channel are respectively communicated with the second cavity, the second air outlet is communicated with the second flow channel, and the second wind wheel is installed in the second cavity and connected with a rotating shaft at the other end of the motor.
Another object of the present invention is to provide a fuel cell system, the fuel cell system includes a fuel cell system controller, a stack module, a hydrogen supply system, an air supply system and a cooling system, the fuel cell system controller controls the stack module, the hydrogen supply system, the air supply system and the cooling system to operate, the air supply system includes an air compressor and an air compressor controller, the air compressor controller is controlled by the fuel cell system controller, the air compressor adopts the air compressor for the fuel cell system, the air compressor includes a motor, a compression mechanism and an expansion mechanism, the motor is controlled by the air compressor controller, the expansion mechanism includes a first volute, the first volute has a first cavity, a first flow channel and a first air outlet, the side of the first volute is provided with an air inlet pipeline, the end of the air inlet pipeline is provided with a first air inlet, a heating assembly and a temperature sensor are installed on each first volute, the heating assembly is sleeved outside the air inlet pipeline, the heating assembly is controlled by a fuel cell system controller, the compression mechanism comprises a second volute, a second air inlet and a second air outlet are formed in the second volute, the second air outlet of the second volute is connected to an air inlet of the electric pile module to provide air for the electric pile module, an air outlet of the electric pile module is connected to the first air inlet of the first volute so that the discharged air flows into the first flow channel, the temperature sensor detects the temperature of the first flow channel and transmits a temperature signal to the fuel cell system controller, the fuel cell system controller controls the heating assembly to be powered on and powered off according to the temperature signal, and the air compressor controller controls the running state of the motor.
Preferably, the air supply system further includes an air filter, a flow meter, an intercooler, and a humidifier, the external air is sequentially sent to the air inlet of the cell stack module after passing through the air filter, the flow meter, the second air inlet of the compression mechanism of the air compressor, the second air outlet of the compression mechanism of the air compressor, the intercooler, and the humidifier, and the cooling system provides the cooling liquid for the cell stack module and simultaneously provides the cooling liquid for the intercooler so as to cool the external input air once.
Preferably, the fuel cell system further comprises a back pressure valve and a water separator, and air discharged from an air outlet of the stack module passes through the humidifier, the back pressure valve, the water separator and a first air inlet of an expansion mechanism of the air compressor in sequence and then is discharged from a first air outlet of the expansion mechanism of the air compressor.
Preferably, the fuel cell system further includes a silencer for silencing the air discharged from the first air outlet of the expansion mechanism of the air compressor and the water separated by the water separator.
Compared with the prior art, the utility model, following effect has:
1) The utility model provides an air compressor machine that fuel cell system used, through the first air inlet overall arrangement down that will be located the sleeve pipe installation department tip, be favorable to collecting the air inlet end and drippage with liquid water, be convenient for realize the drainage of first spiral case, avoid the inside phenomenon that ponding appears easily in first spiral case, additionally, install the air inlet end at first spiral case with heating element, it becomes simple and convenient to make heating element must install, can be under the prerequisite of guaranteeing to heat first spiral case, can heat the gas that gets into through first air inlet simultaneously, can effectively improve heating efficiency.
2) Other advantages of the present invention will be described in detail in the detailed description of the embodiments.
Description of the drawings:
fig. 1 is a schematic perspective view of an air compressor according to a first embodiment of the present invention;
fig. 2 is an exploded schematic view of an air compressor according to a first embodiment of the present invention;
fig. 3 is a schematic view of another perspective exploded structure of the air compressor according to the first embodiment of the present invention;
fig. 4 is a schematic perspective view of an expansion mechanism according to an embodiment of the present invention;
fig. 5 is a schematic front view of an expansion mechanism according to an embodiment of the present invention;
FIG. 6 isbase:Sub>A schematic cross-sectional view A-A of FIG. 5;
fig. 7 is an exploded view of a heating assembly according to an embodiment of the present invention;
fig. 8 is a schematic block diagram of a fuel cell system according to a second embodiment of the present invention;
fig. 9 is a block diagram schematically illustrating a control principle of a fuel cell system according to a second embodiment of the present invention;
fig. 10 is a schematic diagram of electrical connections of a fuel cell system according to a second embodiment of the present invention.
The specific implementation mode is as follows:
the present invention will be described in further detail with reference to the following detailed description of preferred embodiments and accompanying drawings.
The first embodiment is as follows:
as shown in fig. 1 to 6, in the present embodiment, an air compressor for a fuel cell system is provided, where the air compressor 201 includes a motor 1, a compression mechanism 2, and an expansion mechanism 3, in the present embodiment, the motor 1 is a dual-axis extension motor 1, the compression mechanism 2 and the expansion mechanism 3 are respectively installed at two ends of the motor 1 and connected to a rotating shaft of the motor 1, the expansion mechanism 3 includes a first volute 31 and a first wind wheel 32, the first volute 31 is provided with a first cavity 33, a first flow channel 34, a first air inlet 35, and a first air outlet 36, a side surface of the first volute 31 is provided with an air inlet pipeline 37, the first air outlet 36 and the first flow channel 34 are respectively communicated with the first cavity 33, the first air inlet 35 is communicated with the first flow channel 34, and the first wind wheel 32 is installed in the first cavity 33 and connected to the rotating shaft at one end of the motor 1; the end of the air inlet pipe 37 is provided with a cylindrical sleeve installation part 38, the air inlet pipe 37 and the sleeve installation part 38 are integrated, the first air inlet 35 is located at the end of the sleeve installation part 38 and is arranged downwards, the first volute 31 is provided with the heating component 4 and the temperature sensor 5, the heating component 4 is sleeved outside the sleeve installation part 38 and is used for heating the first volute 31 and the gas entering through the first air inlet 35, the temperature sensor 5 is used for detecting the temperature in the first flow channel 34, the first air inlet 35 located at the end of the sleeve installation part 38 is arranged downwards, which is beneficial for collecting liquid water to the air inlet end and dripping, so that drainage of the first volute 31 is realized, the phenomenon that water is easy to accumulate inside the first volute 31 is avoided, in addition, the sleeve installation part 38 is designed into a cylindrical shape, so that the installation of the heating component 4 is simple and convenient, the heating component 4 is installed at the air inlet end of the first volute 31, on the premise that the first volute 31 can be heated, meanwhile, the gas entering through the first air inlet 35 can be heated, and the heating efficiency can be effectively improved.
As shown in fig. 6 and 7, the heating assembly 4 includes a heating sleeve 41 and a heating wire 42 mounted on an inner wall surface of the heating sleeve 41, the heating wire 42 is attached to an outer surface of the sleeve mounting portion 38, and the heating wire 42 can be mounted on the inner wall surface of the heating sleeve 41 by means of mounting, fitting, inserting, and winding.
As shown in fig. 7, the heating wire 42 includes a heating wire main body 421 in a spiral line segment shape and terminals 422 respectively connected to two end portions of the heating wire main body 421, and a through hole 411 for the terminal 422 to extend out is formed in a side wall of the heating sleeve 41, so that the design is reasonable and the wiring is convenient.
As shown in fig. 1 to 6, a connecting flange 6 is arranged outside the air inlet pipe 37, the connecting flange 6 is located above the sleeve mounting portion 38, a plurality of mounting holes 61 are formed in the connecting flange 6, a plurality of protruding mounting feet 7 are arranged on the outer side surface of the end portion of the heating sleeve 41, the mounting feet 7 correspond to the mounting holes 61, a screw hole 71 is formed in each mounting foot 7, and a screw passes through the mounting hole 61 and is in threaded connection with the corresponding screw hole 71, so that the heating assembly 4 and the air inlet pipe 37 are fixedly mounted, the mounting and the replacement are convenient, the maintenance at the later stage is facilitated, when the service environment of the air compressor 201 is higher than 0 ℃, the heating assembly 4 can be removed, and the air compressor 201 can be added or removed at any time through the mounting scheme provided by the scheme.
As shown in fig. 2 and 3, the compression mechanism 2 includes a second volute 21 and a second wind wheel 22, the second volute 21 is provided with a second cavity 23, a second flow channel 24, a second air inlet 25 and a second air outlet 26, the second air inlet 25 and the second flow channel 24 are respectively communicated with the second cavity 23, the second air outlet 26 is communicated with the second flow channel 24, and the second wind wheel 22 is installed in the second cavity 23 and connected to the rotating shaft at the other end of the motor 1.
Example two:
as shown in fig. 8 to 10, the present embodiment provides a fuel cell system, the fuel cell system includes a fuel cell system controller 8, a stack module 9, a hydrogen supply system 10, an air supply system 20, and a cooling system 30, the fuel cell system controller 8 controls the stack module 9, the hydrogen supply system 10, the air supply system 20, and the cooling system 30 to operate, the air supply system 20 includes an air compressor 201 and an air compressor controller 202, the air compressor controller 202 is controlled by the fuel cell system controller 8, the air compressor 201 adopts an air compressor for the fuel cell system according to the first embodiment, the air compressor 201 includes a motor 1, a compression mechanism 2, and an expansion mechanism 3, the motor 1 is controlled by the air compressor controller 202, the expansion mechanism 3 includes a first volute 31, the first volute 31 is provided with a first cavity 33, a first flow channel 34, and a first air outlet 36, a side of the first volute 31 is provided with an air inlet pipe 37, an end of the air inlet pipe 37 is provided with a first air inlet 35, the first volute 31 is provided with a heating assembly 4 and a temperature sensor 5, the heating assembly 4 is installed on the first volute 31, the heating assembly 4 is connected to the heating assembly 4, the heating assembly 4 is connected to the second volute 21, the second volute 21 is connected to the second volute 21, and the second volute 21, the second volute controller 21 is electrically connected to detect the temperature sensor 21, the fuel cell system controller 8 controls the power on and off of the heating wire 42 of the heating assembly 4 according to the temperature signal, and controls the operation state of the motor 1 through the air compressor controller 202, and in this embodiment, the operation state of the motor 1 includes the reduction of the operation power of the motor 1 and this stop process, and the air compressor controller 202 is substantially the motor 1 controller.
Aiming at the scheme, the cold start control method of the fuel cell system is provided, and the specific control method comprises the following steps:
the first step is as follows: the fuel cell system is started up and self-checked, the fuel cell system controller 8 acquires a temperature signal of the temperature sensor 5, if the real-time temperature in the first flow channel 34 of the first volute 31 detected by the temperature sensor 5 is less than or equal to the set value temperature of the fuel cell system controller 8, the fuel cell system controller 8 controls the heating wire 42 of the heating assembly 4 to be electrified and heated, and sends an instruction to the air compressor controller 202 to reduce the running power of the motor 1, so that the air compressor 201 runs at low power and enters a heating mode;
the second step is that: when the real-time temperature in the first flow channel 34 of the first volute 31 detected by the temperature sensor 5 is higher than the set value temperature of the fuel cell system controller 8, the fuel cell system controller 8 controls the heating wire 42 of the heating assembly 4 to be powered off to stop heating, and sends an instruction to the air compressor controller 202 to stop the motor 1 from running, so that the air compressor 201 is stopped, and the heating mode is exited;
the third step: and (4) finishing self-checking of the fuel cell system, starting normally, and entering a normal working mode.
As a preferable scheme, as shown in fig. 10, the air supply system 20 further includes an air filter 203, a flow meter 204, an intercooler 205, and a humidifier 206, the external air is sent to the air inlet of the stack module 9 after passing through the air filter 203, the flow meter 204, the second air inlet 25 of the compression mechanism 2 of the air compressor 201, the second air outlet 26 of the compression mechanism 2 of the air compressor 201, the intercooler 205, and the humidifier 206 in sequence, and the cooling system 30 provides the cooling liquid for the stack module 9, and simultaneously provides the cooling liquid for the intercooler 205 so as to perform primary cooling on the external input air.
Preferably, as shown in fig. 10, the fuel cell system further includes a back pressure valve 40 and a water separator 50, and the air discharged from the air outlet of the stack module 9 passes through the humidifier 206, the back pressure valve 40, the water separator 50 and the first air inlet 35 of the expansion mechanism 3 of the air compressor 201 in sequence, and then is discharged from the first air outlet 36 of the expansion mechanism 3 of the air compressor 201.
As a preferable mode, as shown in fig. 10, the fuel cell system further includes a silencer 60, and the silencer 60 is configured to silence and discharge the air discharged from the first air outlet 36 of the expansion mechanism 3 of the air compressor 201 and the water separated by the water separator 50.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited thereto, and any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principle of the present invention are equivalent replacement modes, and are all included in the scope of the present invention.
Claims (10)
1. An air compressor for a fuel cell system comprises a motor (1), a compression mechanism (2) and an expansion mechanism (3), wherein the compression mechanism (2) and the expansion mechanism (3) are respectively installed at two ends of the motor (1) and connected with a rotating shaft of the motor (1), the expansion mechanism (3) comprises a first volute (31) and a first wind wheel (32), the first volute (31) is provided with a first cavity (33), a first flow channel (34), a first air inlet (35) and a first air outlet (36), the side surface of the first volute (31) is provided with an air inlet pipeline (37), the first air outlet (36) and the first flow channel (34) are respectively communicated with the first cavity (33), the first air inlet (35) is communicated with the first flow channel (34), and the first wind wheel (32) is installed in the first cavity (33) and connected with the rotating shaft at one end of the motor (1);
the method is characterized in that: the end part of the air inlet pipeline (37) is provided with a sleeve mounting part (38), the first air inlet (35) is positioned at the end part of the sleeve mounting part (38) and is arranged downwards, a heating component (4) is sleeved outside the sleeve mounting part (38), and the heating component (4) is used for heating the first volute (31) and the air entering through the first air inlet (35).
2. The air compressor for the fuel cell system according to claim 1, characterized in that: a temperature sensor (5) is mounted on the first volute (31), and the temperature sensor (5) is used for detecting the temperature in the first flow channel (34).
3. The air compressor for the fuel cell system according to claim 1 or 2, characterized in that: the heating assembly (4) comprises a heating sleeve (41) and a heating wire (42) installed on the inner wall surface of the heating sleeve (41), and the heating wire (42) is attached to the outer surface of the sleeve installation part (38).
4. An air compressor for a fuel cell system according to claim 3, characterized in that: the heater strip (42) is including being heater strip main part (421) of helix segment form and connecting in terminal (422) at heater strip main part (421) both ends respectively, be provided with through-hole (411) that supply terminal (422) to stretch out on the lateral wall of heating jacket pipe (41).
5. The air compressor for the fuel cell system according to claim 4, wherein: bushing portion (38) are cylindric, the outside of admission line (37) is provided with flange (6), and flange (6) are located the top of bushing portion (38), are provided with a plurality of mounting holes (61) on flange (6), the lateral surface of the tip of heating sleeve pipe (41) is provided with a plurality of bellied installation foot (7), and a plurality of installation foot (7) correspond with a plurality of mounting holes (61), are provided with screw (71) on each installation foot (7), adopt behind the screw pass mounting hole (61) with screw (71) threaded connection that corresponds so that heating element (4) with admission line (37) fixed mounting.
6. An air compressor for a fuel cell system according to claim 3, characterized in that: the compression mechanism (2) comprises a second volute (21) and a second wind wheel (22), a second cavity (23), a second flow channel (24), a second air inlet (25) and a second air outlet (26) are formed in the second volute (21), the second air inlet (25) and the second flow channel (24) are communicated with the second cavity (23) respectively, the second air outlet (26) is communicated with the second flow channel (24), and the second wind wheel (22) is installed in the second cavity (23) and connected with a rotating shaft at the other end of the motor (1).
7. A fuel cell system comprises a fuel cell system controller (8), a stack module (9), a hydrogen supply system (10), an air supply system (20) and a cooling system (30), wherein the fuel cell system controller (8) controls the stack module (9), the hydrogen supply system (10), the air supply system (20) and the cooling system (30) to work, the air supply system (20) comprises an air compressor (201) and an air compressor controller (202), and the air compressor controller (202) is controlled by the fuel cell system controller (8), and the fuel cell system controller is characterized in that: the air compressor (201) adopts the air compressor for the fuel cell system according to any one of claims 1 to 6, the air compressor (201) comprises a motor (1), a compression mechanism (2) and an expansion mechanism (3), the motor (1) is controlled by an air compressor controller (202), the expansion mechanism (3) comprises a first volute (31), the first volute (31) is provided with a first cavity (33), a first flow channel (34) and a first air outlet (36), the side surface of the first volute (31) is provided with an air inlet pipeline (37), the end part of the air inlet pipeline (37) is provided with a first air inlet (35), the first volute (31) is provided with a heating component (4) and a temperature sensor (5), the heating component (4) is sleeved outside the air inlet pipeline (37), the heating component (4) is controlled by a fuel cell system controller (8), the compression mechanism (2) comprises a second volute (21), the second volute (21) is provided with a second air inlet (25) and a second air outlet (26), the second air outlet (26) of the second volute (21) is connected to an electric pile module (9) of the electric pile, so as to provide air outlet of the first air pile module (9), and the first air outlet (34) is connected to the first volute (31), the temperature sensor (5) detects the temperature of the first flow channel (34) and transmits a temperature signal to the fuel cell system controller (8), the fuel cell system controller (8) controls the heating assembly (4) to be powered on and powered off according to the temperature signal, and the running state of the motor (1) is controlled through the air compressor controller (202).
8. A fuel cell system according to claim 7, wherein: the air supply system (20) further comprises an air filter (203), a flow meter (204), an intercooler (205) and a humidifier (206), external air sequentially passes through the air filter (203), the flow meter (204), a second air inlet (25) of a compression mechanism (2) of the air compressor (201), a second air outlet (26) of the compression mechanism (2) of the air compressor (201), the intercooler (205) and the humidifier (206) and then is sent to an air inlet of the electric pile module (9), and the cooling system (30) provides cooling liquid for the electric pile module (9) and simultaneously provides cooling liquid for the intercooler (205) so as to cool external input air once.
9. A fuel cell system according to claim 8, wherein: the fuel cell system further comprises a back pressure valve (40) and a water separator (50), and air discharged from an air outlet of the stack module (9) sequentially passes through the humidifier (206), the back pressure valve (40), the water separator (50) and a first air inlet (35) of an expansion mechanism (3) of the air compressor (201) and then is discharged from a first air outlet (36) of the expansion mechanism (3) of the air compressor (201).
10. A fuel cell system according to claim 9, wherein: the fuel cell system further comprises a silencer (60), and the silencer (60) is used for silencing and discharging air discharged from the first air outlet (36) of the expansion mechanism (3) of the air compressor (201) and water separated by the water separator (50).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222193787.0U CN217761099U (en) | 2022-08-20 | 2022-08-20 | Air compressor for fuel cell system and fuel cell system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222193787.0U CN217761099U (en) | 2022-08-20 | 2022-08-20 | Air compressor for fuel cell system and fuel cell system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217761099U true CN217761099U (en) | 2022-11-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222193787.0U Active CN217761099U (en) | 2022-08-20 | 2022-08-20 | Air compressor for fuel cell system and fuel cell system |
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| CN (1) | CN217761099U (en) |
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2022
- 2022-08-20 CN CN202222193787.0U patent/CN217761099U/en active Active
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