CN219317215U - Single-stage high-speed hydrogen fuel cell centrifugal compressor for hydrogen fuel cell automobile - Google Patents
Single-stage high-speed hydrogen fuel cell centrifugal compressor for hydrogen fuel cell automobile Download PDFInfo
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- CN219317215U CN219317215U CN202320042409.4U CN202320042409U CN219317215U CN 219317215 U CN219317215 U CN 219317215U CN 202320042409 U CN202320042409 U CN 202320042409U CN 219317215 U CN219317215 U CN 219317215U
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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 provides a single-stage high-speed hydrogen fuel cell centrifugal compressor for a hydrogen fuel cell automobile, which comprises an impeller, a motor stator main body, a motor rotor and a shell, wherein an impeller shell is arranged outside the impeller, the impeller is connected with the motor rotor, and the motor rotor is rotationally connected with the motor stator main body; the motor stator main body is arranged in the shell, and the rear end of the shell is provided with a rear end cover; a front end cover is arranged between the motor stator main body and the motor rotor; the rear end of the shell is provided with an air inlet cylinder, a filter element is arranged in the air inlet cylinder, the shell is provided with a cooling liquid outlet and a cooling liquid inlet, the cooling liquid outlet and the cooling liquid inlet are connected with external cooling liquid circulation equipment, the shell is externally provided with a junction box, and the junction box is electrically connected with a motor stator main body; the fixed seat is connected with the impeller shell and the shell, and the shell is connected with the impeller shell. According to the utility model, the motor and the cooling liquid are cooled by the air sucked by the impeller, so that the power supply is saved, the occupied space is reduced, the overall heat dissipation efficiency is improved, and the market popularization and application are facilitated.
Description
Technical Field
The utility model belongs to the field of compressors, and particularly relates to a single-stage high-speed hydrogen fuel cell centrifugal compressor for a hydrogen fuel cell automobile.
Background
Hydrogen fuel cell automobiles, as their name suggests, are automobiles powered by hydrogen fuel cells, the air compressor of which is an important component of the fuel cell to provide the oxygen required for the reaction to the stack.
As is well known, a single-stage high-speed hydrogen fuel cell centrifugal compressor for a hydrogen fuel cell automobile requires cooling of a motor during use, and external cooling liquid or external air cooling equipment is required during cooling, so that power is wasted and space is occupied.
Therefore, it is necessary to provide a single-stage high-speed hydrogen fuel cell centrifugal compressor for a hydrogen fuel cell automobile.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a single-stage high-speed hydrogen fuel cell centrifugal compressor for a hydrogen fuel cell automobile, which comprises an impeller, an impeller shell, a motor stator main body, a motor rotor, a shell, a rear end cover and a fixing seat, wherein: the outer part of the impeller is fixedly provided with an impeller shell, the impeller is fixedly connected with one end of a motor rotor, and the motor rotor is rotationally connected with the inner part of a motor stator main body and is coaxial with the motor stator main body; the motor stator main body is fixedly arranged in the shell, and the rear end of the shell is fixedly provided with a rear end cover; a front end cover is fixedly arranged between the motor stator main body and the front end of the motor rotor; three air inlet cylinders are uniformly and fixedly arranged on the periphery of the rear side surface of the shell, the air inlet cylinders are used for entering external air, a filter element is fixedly arranged in the outer end of each air inlet cylinder, the filter element is used for filtering impurities in the external air, a cooling liquid outlet and a cooling liquid inlet are respectively and fixedly arranged on two sides above the shell, the cooling liquid outlet and the cooling liquid inlet are respectively and fixedly connected with external cooling liquid circulating equipment, a junction box is fixedly arranged on one side of the surface of the shell, and the junction box is electrically connected with a motor stator main body; the upper part of one end of the fixed seat is fixedly connected with the lower part of the impeller shell, the upper part of the other end of the fixed seat is fixedly connected with the lower part of the rear end of the shell, and the front end of the shell is fixedly connected with one side of the impeller shell.
Preferably, the impeller shell comprises a shell, a cavity, an air suction hole, a high-pressure air outlet cylinder and a sealing cylinder, wherein the cavity is formed in the shell, and a sealing cover is fixedly arranged on the outer side of the shell; the inner side of the shell is provided with an air suction hole which is communicated with the inside of the cavity, and the impeller sucks outside air into the cavity through the air suction hole and the air inlet cylinder; a high-pressure air outlet cylinder is fixedly arranged on one side above the shell and is communicated with the inside of the cavity, the outer end of the high-pressure air outlet cylinder is connected with an air pipe corresponding to the hydrogen fuel cell, and high-pressure air in the cavity is conveyed to the hydrogen fuel cell; the impeller is rotatably arranged in the cavity and is coaxial with the air suction hole, the outer side of the air suction hole is fixedly connected with one end of the sealing cylinder, and the sealing cylinder is coaxial with the air suction hole; the other end of the sealing cylinder is fixedly connected with the front end of the shell, and the lower part of the outer part of the shell is fixedly connected with the upper part of one end of the fixing seat.
Preferably, the other end of the sealing cylinder is provided with a ring groove, four internal thread fixing holes are uniformly distributed in the ring groove, and a sealing gasket corresponding to the internal thread fixing holes is arranged in the ring groove.
Preferably, the shell comprises a shell main body, a connecting disc, an air cavity and a cooling liquid sealing cavity, wherein the connecting disc is fixedly arranged at the front end of the shell main body, the connecting disc is coaxial with the shell main body, and the connecting disc is fixedly connected with one end of the sealing cylinder with an annular groove; the motor stator is characterized in that a plurality of air cavities are formed in the casing main body in a penetrating manner, the air cavities can convey air and cool cooling liquid in the motor stator main body and the cooling liquid sealing cavity through the air, the rear end of each air cavity is respectively communicated with the inside of each air inlet cylinder, and the front end of each air cavity is respectively communicated with the inside of each air suction hole; the inside of the shell main body is provided with a cooling liquid sealing cavity, the cooling liquid sealing cavity is positioned below the air cavity, the front side of the inside of the cooling liquid sealing cavity is communicated with the inside of the cooling liquid inlet, and the rear side of the inside of the cooling liquid sealing cavity is communicated with the inside of the cooling liquid outlet; the lower part of the rear end of the outer part of the shell body is fixedly connected with the upper part of the other end of the fixing seat.
Preferably, the diameter of the connecting disc is the same as that of the sealing cylinder, a threaded hole corresponding to the internal thread fixing hole is formed in the surface of the connecting disc, and the threaded hole in the surface of the connecting disc is fixedly connected with the internal thread fixing hole through a bolt.
Compared with the prior art, the utility model has the advantages that:
when the utility model is used for conveying gas for the hydrogen fuel cell of the hydrogen fuel cell automobile, the cooling operation can be carried out on the engine body of the motor and the cooling liquid in the engine body through the conveyed gas by the impeller, so that the trouble of cooling by means of external equipment can be reduced, and the whole engine body is more efficient and energy-saving when compressing the gas.
Drawings
Fig. 1 is a schematic view of the overall structure of the present utility model.
Fig. 2 is a schematic view of the interior of the impeller housing and impeller structure of the present utility model.
Fig. 3 is a schematic diagram of a housing structure of the present utility model.
In the figure:
the impeller 1, the impeller housing 2, the shell 21, the cavity 22, the air suction hole 23, the high-pressure air outlet cylinder 24, the sealing cylinder 25, the annular groove 26, the internal thread fixing hole 27, the motor stator main body 3, the motor rotor 4, the shell 5, the shell main body 51, the connecting disc 52, the air cavity 53, the cooling liquid sealing cavity 54, the rear end cover 6, the air inlet cylinder 7, the filter element 8, the cooling liquid outlet 9, the cooling liquid inlet 10, the junction box 11 and the fixing seat 12.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution of the embodiments of the present utility model will be clearly and completely described below, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
The utility model is further described below with reference to the accompanying drawings:
example 1
Referring to fig. 1 to 3, a single-stage high-speed hydrogen fuel cell centrifugal compressor for a hydrogen fuel cell vehicle includes an impeller 1, an impeller housing 2, a motor stator body 3, a motor rotor 4, a casing 5, a rear end cover 6, and a fixing base 12, wherein: the impeller shell 2 is fixedly arranged outside the impeller 1, the impeller 1 is fixedly connected with one end of the motor rotor 4, and the motor rotor 4 is rotationally connected with the inside of the motor stator main body 3 and is coaxial with the motor stator main body 3; the motor stator main body 3 is fixedly arranged in the shell 5, and the rear end of the shell 5 is fixedly provided with a rear end cover 6 through bolts; a front end cover is fixedly arranged between the front ends of the motor stator main body 3 and the motor rotor 4 through bolts; three air inlet cylinders 7 are uniformly and fixedly arranged on the periphery of the rear side surface of the shell 5, the air inlet cylinders 7 are used for entering external air, a filter element 8 is fixedly connected to the inside of the outer end of each air inlet cylinder 7 through threads, the filter element 8 is used for filtering impurities in the external air, a cooling liquid outlet 9 and a cooling liquid inlet 10 are respectively and fixedly arranged on two sides above the shell 5, the cooling liquid outlet 9 and the cooling liquid inlet 10 are respectively and fixedly connected with external cooling liquid circulation equipment, a junction box 11 is fixedly arranged on one side of the surface of the shell 5, and the junction box 11 is electrically connected with the motor stator main body 3; the upper part of one end of the fixed seat 12 is fixedly connected with the lower part of the impeller shell 2 through a shock absorber, the upper part of the other end of the fixed seat 12 is fixedly connected with the lower part of the rear end of the shell 5 through a shock absorber, and the front end of the shell 5 is fixedly connected with one side of the impeller shell 2;
when the required gas is conveyed to the hydrogen fuel cell of the hydrogen fuel cell automobile, the impeller 1 can be driven to rotate by the motor rotor 4, so that the impeller 1 filters the external gas through the filter element 8, the air inlet cylinder 7, the air cavity 53 and the air suction hole 23, then sucks the filtered external gas into the cavity 22 for compression, and finally the filtered external gas is conveyed to the hydrogen fuel cell through the high-pressure air outlet cylinder 24; the filter element 8 is a prior art, such as an activated carbon filter element of the prior art.
The impeller shell 2 comprises a shell 21, a cavity 22, an air suction hole 23, a high-pressure air outlet cylinder 24 and a sealing cylinder 25, wherein the cavity 22 is formed in the shell 21, a sealing cover is fixedly arranged on the outer side of the shell 21 through bolts, and sealing treatment is carried out between the sealing cover and the shell 21; an air suction hole 23 is formed in the inner side of the shell 21, the air suction hole 23 is communicated with the inside of the cavity 22, and the impeller 1 sucks outside air into the cavity 22 through the air suction hole 23 and the air inlet cylinder 7; a high-pressure air outlet cylinder 24 is fixedly arranged on one side above the shell 21, the high-pressure air outlet cylinder 24 is communicated with the inside of the cavity 22, the outer end of the high-pressure air outlet cylinder 24 is connected with an air pipe corresponding to the hydrogen fuel cell, and high-pressure air in the cavity 22 is conveyed to the hydrogen fuel cell; the impeller 1 is rotatably arranged in the cavity 22, the impeller 1 and the air suction hole 23 are coaxial, the outer side of the air suction hole 23 is fixedly connected with one end of the sealing cylinder 25 in a welding way, and the sealing cylinder 25 and the air suction hole 23 are coaxial; the other end of the sealing cylinder 25 is fixedly connected with the front end of the shell 5 through bolts, and the lower part outside the shell 21 is fixedly connected with the upper part of one end of the fixed seat 12;
through the sealed lid in casing 21 outside setting, when later stage impeller 1 breaks down, be convenient for the solitary maintenance of dismantling impeller 1, simultaneously the setting of structure between impeller shell 2 and the casing 5, also in the later stage, when motor stator main part 3 or motor rotor 4 break down, convenient to detach maintains.
The other end of the sealing cylinder 25 is provided with an annular groove 26, four internal thread fixing holes 27 are uniformly distributed in the annular groove 26, a sealing gasket corresponding to the internal thread fixing holes 27 is arranged in the annular groove 26, and the sealing gasket is positioned between the sealing cylinder 25 and the connecting disc 52;
by providing the ring groove 26 and the gasket, the sealing performance between the seal tube 25 and the connecting disc 52 can be ensured, and gas leakage can be prevented when the impeller 1 sucks in gas.
The casing 5 comprises a casing main body 51, a connecting disc 52, an air cavity 53 and a cooling liquid sealing cavity 54, wherein the connecting disc 52 is fixedly arranged at the front end of the casing main body 51 through welding, the connecting disc 52 is coaxial with the casing main body 51, and the connecting disc 52 is fixedly and hermetically connected with one end of the sealing cylinder 25 with the annular groove 26; the inside of the casing main body 51 is provided with a plurality of air cavities 53 in a penetrating way, the air cavities 53 can convey air and cool cooling liquid in the motor stator main body 3 and the cooling liquid sealing cavity 54 by the air, the rear end of each air cavity 53 is respectively communicated with the inside of each air inlet cylinder 7, and the front end of each air cavity 53 is respectively communicated with the inside of the air suction hole 23; a cooling liquid seal cavity 54 is formed in the casing main body 51, the cooling liquid seal cavity 54 is positioned below the air cavity 53, the front side of the inside of the cooling liquid seal cavity 54 is communicated with the inside of the cooling liquid inlet 10, and the rear side of the inside of the cooling liquid seal cavity 54 is communicated with the inside of the cooling liquid outlet 9; the lower part of the outer rear end of the casing main body 51 is fixedly connected with the upper part of the other end of the fixed seat 12;
when the required gas is conveyed to the hydrogen fuel cell of the hydrogen fuel cell automobile, the external cooling liquid circulation device is connected with the cooling liquid inlet 10 and the cooling liquid outlet 9, so that the external cooling liquid circulation device conveys cooling liquid into the cooling liquid sealing cavity 54 through the cooling liquid inlet 10, absorbs heat and returns to the external cooling liquid circulation device from the cooling liquid outlet 9 for cooling, and the temperature of the whole device is controlled; because the gas enters the air cavity 53 from the filter core 8 and the air inlet cylinder 7 under the action of the impeller 1, and then enters the sealing cylinder 25 from the air cavity 53, in the flowing process of the air cavity 53, the gas can cool the cooling liquid in the casing 5 and the cooling liquid sealing cavity 54 and the motor stator main body 3 and the motor rotor 4 in the casing 5, thereby improving the overall cooling efficiency, reducing the cooling pressure of the external cooling liquid circulation equipment and the consumption of the electric quantity of the hydrogen fuel cell, and saving the energy of the whole.
In this embodiment, when the hydrogen fuel cell of the hydrogen fuel cell car is supplied with the required gas, the whole is fixedly installed at the required position of the car through the fixing seat 12, then is fixedly connected with the pipeline corresponding to the hydrogen fuel cell through the high-pressure air outlet cylinder 24, and then is electrically connected with the power supply of the car through the junction box 11; when the hydrogen fuel cell works, the motor stator main body 3 drives the motor rotor 4 to rotate at a high speed, so that the impeller 1 is driven to rotate at a high speed, external gas is filtered through the filter element 8, the air inlet cylinder 7, the air cavity 53 and the air suction hole 23 and then is sucked into the cavity 22 for compression, and finally the external gas is conveyed to the hydrogen fuel cell through the high-pressure air outlet cylinder 24; when the gas passes through the air cavity 53, the gas cools the cooling liquid in the casing 5 and the cooling liquid seal cavity 54 and the motor stator main body 3 and the motor rotor 4 in the casing 5, so that the overall cooling efficiency is improved, the cooling pressure of the external cooling liquid circulation equipment is reduced, and the consumption of the electric quantity of the hydrogen fuel cell is reduced; when the filter element 8 needs to be cleaned in the later period, the filter element 8 is only required to be detached from the air inlet cylinder 7, and then the corresponding cleaning or replacement is performed.
By utilizing the technical scheme of the utility model or under the inspired by the technical scheme of the utility model, a similar technical scheme is designed by a person skilled in the art, so that the technical effects are achieved, and the technical scheme falls into the protection scope of the utility model.
Claims (5)
1. A single-stage high-speed hydrogen fuel cell centrifugal compressor for a hydrogen fuel cell automobile, characterized in that: including impeller (1), impeller shell (2), motor stator main part (3), motor rotor (4), casing (5), rear end cover (6) and fixing base (12), wherein: an impeller shell (2) is fixedly arranged outside the impeller (1), the impeller (1) is fixedly connected with one end of a motor rotor (4), and the motor rotor (4) is rotationally connected with the inside of a motor stator main body (3) and is coaxial with the motor stator main body (3); the motor stator main body (3) is fixedly arranged in the shell (5), and the rear end of the shell (5) is fixedly provided with a rear end cover (6); a front end cover is fixedly arranged between the motor stator main body (3) and the front end of the motor rotor (4); three air inlet cylinders (7) are uniformly distributed and fixedly arranged on the periphery of the rear side surface of the shell (5), the air inlet cylinders (7) are used for entering external air, a filter element (8) is fixedly arranged in each air inlet cylinder (7), the filter element (8) is used for filtering impurities in the external air, a cooling liquid outlet (9) and a cooling liquid inlet (10) are fixedly arranged on two sides above the shell (5), the cooling liquid outlet (9) and the cooling liquid inlet (10) are fixedly connected with external cooling liquid circulation equipment, a junction box (11) is fixedly arranged on one side of the surface of the shell (5), and the junction box (11) is electrically connected with a motor stator main body (3); the upper part of one end of the fixed seat (12) is fixedly connected with the lower part of the impeller shell (2), the upper part of the other end of the fixed seat (12) is fixedly connected with the lower part of the rear end of the shell (5), and the front end of the shell (5) is fixedly connected with one side of the impeller shell (2).
2. A single stage high speed hydrogen fuel cell centrifugal compressor for a hydrogen fuel cell vehicle as claimed in claim 1, wherein: the impeller shell (2) comprises a shell (21), a cavity (22), an air suction hole (23), a high-pressure air outlet cylinder (24) and a sealing cylinder (25), wherein the cavity (22) is formed in the shell (21), and a sealing cover is fixedly arranged on the outer side of the shell (21); an air suction hole (23) is formed in the inner side of the shell (21), the air suction hole (23) is communicated with the inside of the cavity (22), and the impeller (1) sucks external air into the cavity (22) through the air suction hole (23) and the air inlet cylinder (7); a high-pressure air outlet cylinder (24) is fixedly arranged on one side above the shell (21), the high-pressure air outlet cylinder (24) is communicated with the inside of the cavity (22), the outer end of the high-pressure air outlet cylinder (24) is connected with an air pipe corresponding to the hydrogen fuel cell, and high-pressure air in the cavity (22) is conveyed to the hydrogen fuel cell; the impeller (1) is rotatably arranged in the cavity (22) and is coaxial with the air suction hole (23), the outer side of the air suction hole (23) is fixedly connected with one end of the sealing cylinder (25), and the sealing cylinder (25) is coaxial with the air suction hole (23); the other end of the sealing cylinder (25) is fixedly connected with the front end of the shell (5), and the lower part of the outer part of the shell (21) is fixedly connected with the upper part of one end of the fixing seat (12).
3. A single stage high speed hydrogen fuel cell centrifugal compressor for a hydrogen fuel cell vehicle as claimed in claim 2, wherein: the other end of the sealing cylinder (25) is provided with a ring groove (26), four internal thread fixing holes (27) are uniformly distributed in the ring groove (26), and a sealing gasket corresponding to the internal thread fixing holes (27) is arranged in the ring groove (26).
4. A single stage high speed hydrogen fuel cell centrifugal compressor for a hydrogen fuel cell vehicle as claimed in claim 2, wherein: the shell (5) comprises a shell main body (51), a connecting disc (52), an air cavity (53) and a cooling liquid sealing cavity (54), wherein the connecting disc (52) is fixedly arranged at the front end of the shell main body (51), the connecting disc (52) is coaxial with the shell main body (51), and the connecting disc (52) is fixedly connected with one end of the sealing cylinder (25) with a ring groove (26); a plurality of air cavities (53) are formed in the casing main body (51) in a penetrating manner, the air cavities (53) can convey air, and cooling liquid in the motor stator main body (3) and the cooling liquid sealing cavity (54) is cooled by the air; the rear end of each air cavity (53) is respectively communicated with the inside of each air inlet cylinder (7), and the front end of each air cavity (53) is respectively communicated with the inside of each air suction hole (23); a cooling liquid sealing cavity (54) is formed in the casing main body (51), the cooling liquid sealing cavity (54) is positioned below the air cavity (53), the front side of the inside of the cooling liquid sealing cavity (54) is communicated with the inside of the cooling liquid inlet (10), and the rear side of the inside of the cooling liquid sealing cavity (54) is communicated with the inside of the cooling liquid outlet (9); the lower part of the outer rear end of the casing main body (51) is fixedly connected with the upper part of the other end of the fixed seat (12).
5. A single stage high speed hydrogen fuel cell centrifugal compressor for a hydrogen fuel cell vehicle as claimed in claim 4, wherein: the diameter of the connecting disc (52) is the same as that of the sealing cylinder (25), a threaded hole corresponding to the internal thread fixing hole (27) is formed in the surface of the connecting disc (52), and the threaded hole in the surface of the connecting disc (52) is fixedly connected with the internal thread fixing hole (27) through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320042409.4U CN219317215U (en) | 2023-01-05 | 2023-01-05 | Single-stage high-speed hydrogen fuel cell centrifugal compressor for hydrogen fuel cell automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320042409.4U CN219317215U (en) | 2023-01-05 | 2023-01-05 | Single-stage high-speed hydrogen fuel cell centrifugal compressor for hydrogen fuel cell automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219317215U true CN219317215U (en) | 2023-07-07 |
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ID=87032887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320042409.4U Active CN219317215U (en) | 2023-01-05 | 2023-01-05 | Single-stage high-speed hydrogen fuel cell centrifugal compressor for hydrogen fuel cell automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219317215U (en) |
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2023
- 2023-01-05 CN CN202320042409.4U patent/CN219317215U/en active Active
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