CN218266436U - Micro air compressor for fuel cell two-wheeled vehicle - Google Patents
Micro air compressor for fuel cell two-wheeled vehicle Download PDFInfo
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- CN218266436U CN218266436U CN202222392591.4U CN202222392591U CN218266436U CN 218266436 U CN218266436 U CN 218266436U CN 202222392591 U CN202222392591 U CN 202222392591U CN 218266436 U CN218266436 U CN 218266436U
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Abstract
The utility model provides a fuel cell is micro air compressor machine for two-wheeled vehicle, includes the motor, the motor includes motor casing, stator and rotor, the output of motor is equipped with high-speed centrifugal supercharger, high-speed centrifugal supercharger includes the impeller shell that links to each other with the motor casing, the middle part of impeller shell is equipped with the air inlet, and one side of impeller shell is equipped with the gas vent, and the inside annular flow channel that is linked together with air inlet and gas vent that is equipped with of impeller shell, be equipped with the closed impeller of installing on the output shaft of rotor between impeller shell and the motor casing, be equipped with leak protection gas structure between the position that closed impeller is close to the air inlet and the impeller shell. The waterproof and dustproof capacity is good, the service life is long, the pressure ratio is high, the rotating speed is high, the air quantity is large, the noise is low, under the condition of the same power and volume, larger air quantity can be obtained, the energy consumption is saved, and the environmental protection requirements of low energy consumption, light weight, low noise and the like of the existing fuel cell system can be met; the PCB and the motor are integrated, so that the whole volume is reduced, the space is saved, and the whole structure is more compact.
Description
The technical field is as follows:
the utility model relates to a fuel cell is micro air compressor machine for two-wheeled vehicle.
Background art:
the development of new energy fuel cell automobiles at present is considered as an important link of traffic energy power transformation, and in order to ensure the normal work of a fuel cell engine, the fuel cell engine generally needs auxiliary systems such as a hydrogen supply subsystem, an air supply subsystem, a circulating water cooling management subsystem and the like.
The fuel cell system is applicable to the fields of cars or trucks, and is also applicable to the field of two-wheeled vehicles, at present, in a fuel cell air supply subsystem of a two-wheeled vehicle, a common blower is generally adopted to pressurize air, and the blower has the following defects in use: firstly, the air blower has very low protection level, poor waterproof and dustproof capacity, short service life, low pressure ratio, low rotating speed, small air volume and high noise, and can be realized only by a motor with higher power under the condition of obtaining the same air volume, so that the air blower has large volume and heavy weight and hardly meets the environmental protection requirements of light weight, low noise and the like of the existing fuel cell system; and secondly, the outgoing line of the motor coil is basically connected with the junction box on the motor shell firstly and then is connected with an external controller through the junction box, the wiring mode is not only troublesome in wiring and reduces the efficiency, but also the controller is separately arranged outside and occupies extra space, so that the whole structure is not compact enough.
In summary, the problem of air pressurization in the air supply subsystem of the fuel cell of the two-wheeled vehicle has become an urgent technical problem to be solved in the industry.
The utility model has the following contents:
the utility model discloses a remedy prior art not enough, provide a micro air compressor for fuel cell two-wheeled vehicle, solved in the two-wheeled vehicle fuel cell air supply subsystem in the past carry out pressure boost, pressure ratio low, the amount of wind is little, the noise is big, bulky problem through the air-blower.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be:
the utility model provides a fuel cell is micro air compressor machine for two-wheeled vehicle, includes the motor, the motor includes motor casing, stator and rotor, the output of motor is equipped with high-speed centrifugal supercharger, high-speed centrifugal supercharger includes the impeller shell that links to each other with the motor casing, the middle part of impeller shell is equipped with the air inlet, and one side of impeller shell is equipped with the gas vent, and the inside annular flow channel that is linked together with air inlet and gas vent that is equipped with of impeller shell, be equipped with the closed impeller of installing on the output shaft of rotor between impeller shell and the motor casing, be equipped with leak protection gas structure between the position that closed impeller is close to the air inlet and the impeller shell.
The closed impeller comprises an impeller disc and an impeller cover, and a plurality of arc-shaped blades are uniformly arranged between the impeller disc and the impeller cover along the circumference.
The closed impeller is made of metal materials or non-metal materials through integral forming.
The air leakage preventing structure comprises an annular groove formed in the inner wall of the impeller shell, and the edge of the impeller cover close to the air inlet is inserted into the annular groove to form a sealing structure in clearance fit.
And two ends of the rotor are arranged in the motor shell through bearings, and the bearings adopt rolling bearings.
A labyrinth seal structure is arranged between the rotor shaft of the rotor and the front end of the motor shell.
The labyrinth seal structure comprises a plurality of annular seal grooves which are arranged in the motor shell and matched with the rotor shaft of the rotor at intervals.
The rear end of the motor casing is connected with a controller casing, a PCB is installed between the controller casing and the motor casing, and the PCB is connected with the stator through a wiring.
The above technical scheme is adopted in the utility model, following advantage has:
the motor drives the high-speed centrifugal supercharger to supercharge air of the air supply subsystem of the fuel cell of the two-wheeled vehicle, so that the waterproof and dustproof capacity is good, the service life is long, the pressure ratio is high, the rotating speed is high, the air volume is large, the noise is low, under the condition of the same power and volume, larger air volume can be obtained, the energy consumption is saved, and the environmental protection requirements of low energy consumption, light weight, low noise and the like of the existing fuel cell system can be met; integrate PCB board and motor, the wiring convenient and fast promotes the packaging efficiency, and the leakproofness is better, and in addition, whole volume reduces, saves space, and overall structure is compacter.
Description of the drawings:
fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic sectional view of the present invention.
Fig. 3 is a schematic diagram of the three-dimensional structure of the closed impeller of the present invention.
Fig. 4 is a cross-sectional view of the structure of fig. 3.
Fig. 5 is a schematic longitudinal sectional structure of fig. 3.
In the figure, 1, a motor, 2, a motor shell, 3, a stator, 4, a rotor, 5, a high-speed centrifugal supercharger, 6, an impeller shell, 7, an air inlet, 8, an air outlet, 9, an annular flow passage, 10, an impeller disc, 11, an impeller cover, 12, an arc-shaped blade, 13, an annular groove, 14, a bearing, 15, an annular sealing groove, 16, a controller shell, 17 and a PCB (printed circuit board).
The specific implementation mode is as follows:
in order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments in combination with the accompanying drawings.
As shown in fig. 1-5, a miniature air compressor for a fuel cell two-wheeled vehicle comprises a motor 1, wherein the motor 1 comprises a motor casing 2, a stator 3 and a rotor 4, an output end of the motor 1 is provided with a high-speed centrifugal supercharger 5, the high-speed centrifugal supercharger 5 comprises an impeller casing 6 connected with the motor casing 2, the middle part of the impeller casing 6 is provided with an air inlet 7, one side of the impeller casing 6 is provided with an air outlet 8, an annular flow passage 9 communicated with the air inlet 7 and the air outlet 8 is arranged inside the impeller casing 6, a closed impeller installed on an output shaft of the rotor 4 is arranged between the impeller casing 6 and the motor casing 2, an air leakage prevention structure is arranged between the position of the closed impeller close to the air inlet 7 and the impeller casing 6, air leakage to the outside of the closed impeller is avoided, and the supercharging efficiency can be improved.
The closed impeller comprises an impeller disc 10 and an impeller cover 11, a plurality of arc-shaped blades 12 are uniformly arranged between the impeller disc 10 and the impeller cover 11 along the circumference, and the closed impeller rotates at a high speed to realize air pressurization.
The closed impeller is made of metal materials or non-metal materials through integral forming.
The air leakage preventing structure comprises an annular groove 13 formed in the inner wall of the impeller shell 6, the edge of the impeller cover 11 close to the air inlet 7 is inserted into the annular groove 13 to form a clearance fit sealing structure, air can be prevented from leaking to the outer side of the closed impeller, so that air inflow between the impeller disc 10 and the impeller cover 11 is improved, air is pressurized through high-speed rotation of the arc-shaped blades 12, and the pressurization efficiency is improved.
The both ends of rotor 4 are passed through bearing 14 and are installed in motor casing 2, bearing 14 adopts antifriction bearing, does not have oil, and is longe-lived, and the fault rate is low.
Be equipped with labyrinth seal structure between the rotor shaft of rotor 4 and the 2 front ends of motor casing, labyrinth seal structure is including establishing annular seal groove 15 that sets up with rotor shaft complex a plurality of interval of rotor 4 in motor casing 2, can avoid inside the air admission motor.
The rear end of the motor casing 2 is connected with a controller casing 16, a PCB 17 is installed between the controller casing 16 and the motor casing 2, the PCB 17 is connected with the stator 3 through wiring, the PCB 17 and the motor are integrated, the wiring is convenient and fast, the assembly efficiency is improved, the sealing performance is better, the whole volume is reduced, the space is saved, and the whole structure is more compact.
The working principle is as follows:
when the motor 1 works, the rotor 4 drives the closed impeller to rotate at a high speed, air enters between the impeller disc 10 and the impeller cover 11 from the air inlet 7, is pressurized by the high-speed rotation of the arc-shaped blades 12, then enters the annular flow channel 9, and finally is discharged from the air outlet 8.
The above-mentioned specific embodiments can not be regarded as the restriction to the scope of protection of the utility model, to technical personnel in this technical field, it is right the utility model discloses any replacement improvement or transform that embodiment made all fall within the scope of protection of the utility model.
The parts of the present invention not described in detail are the known techniques of those skilled in the art.
Claims (8)
1. The utility model provides a micro air compressor machine for fuel cell two-wheeled vehicle which characterized in that: the motor comprises a motor, the motor includes motor casing, stator and rotor, the output of motor is equipped with high-speed centrifugal supercharger, high-speed centrifugal supercharger includes the impeller shell that links to each other with the motor casing, the middle part of impeller shell is equipped with the air inlet, and one side of impeller shell is equipped with the gas vent, and the inside annular flow channel that is linked together with air inlet and gas vent that is equipped with of impeller shell, be equipped with the closed impeller of installing on the output shaft of rotor between impeller shell and the motor casing, closed impeller is close to and is equipped with leak protection gas structure between the position of air inlet and the impeller shell.
2. The micro air compressor for a fuel cell two-wheeled vehicle according to claim 1, wherein: the closed impeller comprises an impeller disc and an impeller cover, and a plurality of arc-shaped blades are uniformly arranged between the impeller disc and the impeller cover along the circumference.
3. The micro air compressor for a fuel cell two-wheeled vehicle according to claim 1, wherein: the closed impeller is made of a metal material or a non-metal material through integral forming.
4. The micro air compressor for the fuel cell two-wheeled vehicle according to claim 2, wherein: the air leakage preventing structure comprises an annular groove formed in the inner wall of the impeller shell, and the edge of the impeller cover close to the air inlet is inserted into the annular groove to form a sealing structure in clearance fit.
5. The micro air compressor for the fuel cell two-wheeled vehicle according to claim 1, wherein: and two ends of the rotor are arranged in the motor shell through bearings, and the bearings adopt rolling bearings.
6. The micro air compressor for the fuel cell two-wheeled vehicle according to claim 1, wherein: a labyrinth seal structure is arranged between the rotor shaft of the rotor and the front end of the motor shell.
7. The micro air compressor of the fuel cell two-wheeled vehicle according to claim 6, wherein: the labyrinth seal structure comprises a plurality of annular seal grooves which are arranged in the motor shell and matched with the rotor shaft of the rotor at intervals.
8. The micro air compressor for the fuel cell two-wheeled vehicle according to claim 1, wherein: the rear end of the motor casing is connected with a controller casing, a PCB is installed between the controller casing and the motor casing, and the PCB is connected with the stator through a wiring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222392591.4U CN218266436U (en) | 2022-09-08 | 2022-09-08 | Micro air compressor for fuel cell two-wheeled vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222392591.4U CN218266436U (en) | 2022-09-08 | 2022-09-08 | Micro air compressor for fuel cell two-wheeled vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218266436U true CN218266436U (en) | 2023-01-10 |
Family
ID=84711499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222392591.4U Active CN218266436U (en) | 2022-09-08 | 2022-09-08 | Micro air compressor for fuel cell two-wheeled vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218266436U (en) |
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2022
- 2022-09-08 CN CN202222392591.4U patent/CN218266436U/en active Active
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