CN219678265U - Hydrogen energy air compressor motor and cooling device thereof - Google Patents
Hydrogen energy air compressor motor and cooling device thereof Download PDFInfo
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- CN219678265U CN219678265U CN202320253659.2U CN202320253659U CN219678265U CN 219678265 U CN219678265 U CN 219678265U CN 202320253659 U CN202320253659 U CN 202320253659U CN 219678265 U CN219678265 U CN 219678265U
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- motor
- air compressor
- hydrogen energy
- stator assembly
- energy air
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 239000001257 hydrogen Substances 0.000 title claims abstract description 42
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 42
- 238000001816 cooling Methods 0.000 title claims abstract description 22
- 239000007789 gas Substances 0.000 claims abstract description 40
- 230000017525 heat dissipation Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 239000000446 fuel Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000007547 defect Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 210000001124 body fluid Anatomy 0.000 description 2
- 239000010839 body fluid Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a hydrogen energy air compressor motor and a cooling device thereof, wherein the hydrogen energy air compressor motor comprises: a stator assembly disposed within the motor housing and extending in an axial direction; and the flow guider is a torus and is coaxially arranged with the stator assembly and is positioned outside the stator assembly, wherein a spiral rib is arranged in the flow guider, and the spiral rib and the coil are combined together to form a gas channel.
Description
Technical Field
The utility model relates to the technical field of new energy, in particular to a motor of a hydrogen energy air compressor and a cooling device thereof.
Background
At present, the development of new energy fuel cell automobiles is considered as an important link for the power transformation of traffic energy. In order to ensure the normal operation of the fuel cell engine, the engine generally requires auxiliary systems such as a hydrogen supply subsystem, an air supply subsystem, a circulating water cooling management subsystem and the like. Numerous studies have shown that high pressure, high flow air supply has a significant effect on improving the power output of existing fuel cell engines. Therefore, a centrifugal air compressor is an energy conversion device for achieving the aim, which is one of important parts of an air supply system of a fuel cell engine, for boosting intake air before the intake air enters the engine.
The prior single-stage high-speed centrifugal air compressor mainly comprises a shell, a stator and a main shaft, wherein a bearing seat for supporting the main shaft is arranged on the inner side of one end of the shell, a diffuser is arranged on the outer side of the bearing seat, the main shaft penetrates out of the diffuser to be provided with a worm wheel, a volute is arranged outside the worm wheel, an air inlet and an air outlet are arranged on the volute, and a thrust disc is sleeved on the main shaft between the diffuser and the bearing seat. The single-stage high-speed centrifugal compressor with the structure mainly has the following defects:
when the current single-stage high-speed centrifugal compressor works, the spindle rotation speed is likely to exceed 100000r/min. Because the rotating speed is very high, a large amount of heat can be generated in the working process, and if the heat is not discharged in time, heat accumulation can be formed, so that the condition of forced protection shutdown caused by the overhigh internal temperature can occur. At present, the centrifugal compressor is cooled by two modes, namely external water cooling and internal air cooling, wherein the external water cooling has high cost and large realization difficulty; the internal air cooling mode requires that the internal parts of the centrifugal compressor have an air guiding function, namely, the components can be fully cooled under the condition that a reasonable conducting route for air to travel is formed inside;
when the expander is connected with the air compressor, the mixed gas from the fuel cell enters the expander, the cost of the mixed gas mainly comprises liquid water, vapor water, nitrogen, a small amount of oxygen, a small amount of hydrogen and the like, the mixed gas in the expander can leak into a motor cavity from a gap of a motor main shaft of the air compressor, the stator and the main shaft of the motor are corroded, and the service life of the motor is influenced. The common contact type sealing ring is easy to wear due to the fact that the main shaft rotates at a high speed during working, so that gaps are increased, and the situation of sealing failure occurs.
In view of the above, the above problems of single-stage high-speed centrifugal compressors and expanders have become a technical problem to be solved in the industry.
Disclosure of Invention
The utility model aims to provide a motor of a hydrogen energy air compressor, which solves the problems that the existing motor of the hydrogen energy air compressor is difficult to dissipate heat and/or the motor is corroded by mixed gas.
In order to solve the technical problems, the utility model provides a motor of a hydrogen energy air compressor, comprising:
a stator assembly disposed within the motor housing and extending in an axial direction;
and the flow guider is a torus and is coaxially arranged with the stator assembly and is positioned outside the stator assembly, wherein a spiral rib is arranged in the flow guider, and the spiral rib and the coil are combined together to form a gas channel.
Optionally, in the hydrogen energy air compressor motor, the flow director includes:
the deflector body is an annular non-conductive body;
a spiral rib configured to extend spirally along the inner wall of the torus from the first end face of the deflector to the second end face of the deflector;
the spiral groove is formed by combining grooves formed on two adjacent side edges of the spiral rib and the coil together to form a gas channel;
the air inlet is arranged at the beginning of the spiral rib and is positioned at the opening on the first end face of the flow guider.
Optionally, in the hydrogen energy air compressor motor, a gas source is arranged on the side surface of the motor shell;
the air source is in a hole shape and is opposite to the air inlet.
Optionally, in the hydrogen energy air compressor motor, the method further includes:
a shaft assembly configured to be positioned within the stator assembly, extending axially;
a thrust bearing configured to be disposed between the end cap and the shaft assembly;
and the end cover is configured to be positioned at the end part of the motor shell and form a sealing space with the motor shell, and a heat dissipation space is arranged between the end cover and the stator assembly.
Optionally, in the hydrogen energy air compressor motor, the external air is pressurized and enters the motor shell from the air source, enters the air inlet, flows along the spiral groove and then enters the exhaust space.
The utility model also provides a cooling device of the motor of the hydrogen energy air compressor, which comprises the deflector.
In the motor of the hydrogen energy air compressor, the spiral gas channel is arranged in the annular body fluid director coaxially arranged with the stator assembly, so that external gas can enter the motor shell from the gas source after being pressed and enter the gas inlet, and flows along the spiral groove and then enters the exhaust space, thereby overcoming the defects that the gas only stays near the gas source after entering the motor shell, the fluidity is poor and the heat dissipation effect is poor in the prior art. And the gas in the gas channel is compressed in the space close to the stator assembly, so that the heat dissipation effect on the stator assembly is better, the gas after heat absorption is discharged, more heat can be discharged, and further mixed gas leaking to the inside of the motor cavity from the gap of the motor main shaft of the compressor is discharged, so that the corrosion of the mixed gas to the stator and the main shaft of the motor is avoided.
Drawings
FIG. 1 is a schematic cross-sectional view of a hydrogen energy air compressor motor according to an embodiment of the present utility model;
FIG. 2 is a schematic cross-sectional view of a motor deflector of a hydrogen energy air compressor in accordance with an embodiment of the present utility model;
FIG. 3 is a schematic perspective view of a motor deflector of a hydrogen energy air compressor in accordance with an embodiment of the present utility model;
FIG. 4 is a schematic diagram of a motor section of a hydrogen energy air compressor according to an embodiment of the utility model;
the figure shows: 1-a motor housing; 2-a deflector; 21-a deflector body; 22-spiral ribs; 23-helical grooves; 24-air inlet; 3-stator assembly; a 4-axis assembly; 5-end caps; 6-thrust bearings; 7-air source; 8-gap; 9-gas passage.
Detailed Description
The utility model is further elucidated below in connection with the embodiments with reference to the drawings.
It should be noted that the components in the figures may be shown exaggerated for illustrative purposes and are not necessarily to scale. In the drawings, identical or functionally identical components are provided with the same reference numerals.
In the present utility model, unless specifically indicated otherwise, "disposed on …", "disposed over …" and "disposed over …" do not preclude the presence of an intermediate therebetween. Furthermore, "disposed on or above" … merely indicates the relative positional relationship between the two components, but may also be converted to "disposed under or below" …, and vice versa, under certain circumstances, such as after reversing the product direction.
In the present utility model, the embodiments are merely intended to illustrate the scheme of the present utility model, and should not be construed as limiting.
In the present utility model, the adjectives "a" and "an" do not exclude a scenario of a plurality of elements, unless specifically indicated.
It should also be noted herein that in embodiments of the present utility model, only a portion of the components or assemblies may be shown for clarity and simplicity, but those of ordinary skill in the art will appreciate that the components or assemblies may be added as needed for a particular scenario under the teachings of the present utility model. In addition, features of different embodiments of the utility model may be combined with each other, unless otherwise specified. For example, a feature of the second embodiment may be substituted for a corresponding feature of the first embodiment, or may have the same or similar function, and the resulting embodiment may fall within the scope of disclosure or description of the utility model.
It should also be noted herein that, within the scope of the present utility model, the terms "identical", "equal" and the like do not mean that the two values are absolutely equal, but rather allow for some reasonable error, that is, the terms also encompass "substantially identical", "substantially equal". By analogy, in the present utility model, the term "perpendicular", "parallel" and the like in the table direction also covers the meaning of "substantially perpendicular", "substantially parallel".
The numbers of the steps of the respective methods of the present utility model are not limited to the order of execution of the steps of the methods. The method steps may be performed in a different order unless otherwise indicated.
The motor of the hydrogen energy air compressor provided by the utility model is further described in detail below with reference to the accompanying drawings and specific embodiments. The advantages and features of the present utility model will become more apparent from the following description. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model.
The utility model aims to provide a motor of a hydrogen energy air compressor, which solves the problems that the motor of the existing hydrogen energy air compressor is difficult to dissipate heat or the motor is corroded by mixed gas.
In order to achieve the above object, the present utility model provides a hydrogen energy air compressor motor, comprising: a stator assembly configured to be located within the motor housing, extending axially; the fluid director is a torus and is configured to be coaxially arranged with the stator assembly and positioned outside the stator assembly; wherein the inner side of the flow director is provided with a spiral gas channel.
Fig. 1-4 provide examples of the present utility model showing a hydrogen energy air compressor motor and a gas cooling structure applied to the hydrogen energy motor.
The current motor cooling structure applied to the hydrogen energy air compressor basically enables an air source to directly blow air to a motor stator so that the air flow takes away heat in the motor (mainly a stator coil part), and therefore the purpose of cooling the inside of the motor is achieved.
Because the electric gap is arranged between the motor stator coil and the motor shell, the gap between the stator coil and the motor shell is usually larger than 3mm, when the air for cooling the motor enters the motor, the cooling of the motor by the air flow can only be realized by local cooling, and the cooling function can not be realized by the air flow due to the fact that the air flow cannot reach the other part. The problem in the prior art is that the air flow is only concentrated near the air inlet in the machine shell, most of the surface of the stator assembly coil cannot be uniformly cooled, and the cooling efficiency of the coil is low.
According to the utility model, through structural improvement, the airflow flow path mode is changed, the heat dissipation effect of the motor is improved, and the motor is ensured to run at a high speed under a safe temperature.
The utility model provides a motor of a hydrogen energy air compressor, as shown in figure 1, comprising: a stator assembly 3 configured to be located within the motor housing 1, extending in an axial direction; a deflector 2, which is a torus, configured to be coaxially arranged with the stator assembly 3 and located outside the stator assembly; wherein the inside of the deflector 2 is provided with a spiral gas channel 9. The stator assembly is a stator coil.
Optionally, in the hydrogen energy air compressor motor, the flow director includes: a deflector body 21 which is a torus; a helical rib 22 configured to extend helically along the inner wall of the torus from the first end face of the deflector to the second end face of the deflector; the spiral groove 23 is formed by grooves formed on two adjacent side edges of the spiral rib to serve as a gas channel; an air inlet 24 is arranged at the beginning of the spiral rib, at the opening on the first end face of the deflector.
Optionally, in the hydrogen energy air compressor motor, a gas source 7 is arranged on the side surface of the motor shell 1; the air source 7 is hole-shaped and is opposite to the air inlet 24. In the motor of the hydrogen energy air compressor, the deflector main body 21 is in interference fit with the motor shell 1, and the protruding top ends of the spiral ribs 22 are provided with gaps 8 with the stator assembly 3.
Optionally, in the hydrogen energy air compressor motor, the method further includes: a shaft assembly 4 configured to be located within the stator assembly 3, extending in an axial direction; a thrust bearing 6 configured to be disposed between the end cap and the shaft assembly; an end cap 5 configured to be located at an end of the motor housing and form a sealed space with the motor housing 1 with an exhaust space therebetween. In the hydrogen energy air compressor motor, external air is pressurized to enter the motor shell 1 from the air source 7, enter the air inlet 24, flow along the spiral groove and then enter the exhaust space.
The utility model also provides a cooling device of the motor of the hydrogen energy air compressor, which comprises the deflector.
In the motor of the hydrogen energy air compressor, the inner side of the annular body fluid director coaxially arranged with the stator assembly is provided with the spiral gas channel, so that external gas enters the motor shell from the gas source after being pressed, enters the gas inlet, flows along the spiral groove and enters the exhaust space, and the defects that the gas only stays near the gas source after entering the motor shell, the fluidity is poor and the heat dissipation effect is poor in the prior art are overcome. And the gas in the gas channel is compressed in the space close to the stator assembly, so that the heat dissipation effect on the stator assembly is better, the gas after heat absorption is discharged, more heat can be discharged, and further mixed gas leaking to the inside of the motor cavity from the gap of the motor main shaft of the compressor is discharged, so that the corrosion of the mixed gas to the stator and the main shaft of the motor is avoided.
The utility model is mainly characterized in that a flow director is added between the motor shell and the stator assembly coil, and a spiral convex rib is arranged in the flow director. A circle of spiral airflow channel is established jointly through the inner side of the flow director and the outer side of the stator assembly coil, and most of airflow entering the motor can rotate around the stator assembly coil through the spiral groove, so that the contact area between the airflow and the stator coil is increased; and in the rotating process, the air flow takes away heat generated by the stator assembly coil, and finally the air flow is discharged out of the motor through the rotor bearing gap. The air flow guide device achieves the purpose of uniformly cooling the stator coil by cooling air flow, the operation range of the motor is widened, and the application field of the air compressor is expanded.
According to the utility model, the airflow path mode is changed in a structural mode, so that the airflow is changed from passing through only part of the surface of the stator assembly coil to passing through the whole surface of the stator coil, and the contact area between the airflow and the stator coil is increased, so that the heat dissipation effect of the motor is improved, the operation range of the motor is improved, and the application field of the air compressor is enlarged.
In summary, the foregoing embodiments describe in detail different configurations of the motor of the hydrogen energy air compressor, and of course, the present utility model includes, but is not limited to, the configurations listed in the foregoing embodiments, and any matters of changing the configurations provided in the foregoing embodiments fall within the scope of the present utility model. One skilled in the art can recognize that the above embodiments are illustrative.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the system disclosed in the embodiment, the description is relatively simple because of corresponding to the method disclosed in the embodiment, and the relevant points refer to the description of the method section.
The above description is only illustrative of the preferred embodiments of the present utility model and is not intended to limit the scope of the present utility model, and any alterations and modifications made by those skilled in the art based on the above disclosure shall fall within the scope of the appended claims.
Claims (7)
1. A hydrogen energy air compressor motor, comprising:
a stator assembly disposed within the motor housing and extending in an axial direction;
and the flow guider is a torus and is coaxially arranged with the stator assembly and is positioned outside the stator assembly, wherein a spiral rib is arranged in the flow guider, and the spiral rib and the coil are combined together to form a gas channel.
2. The hydrogen energy air compressor motor of claim 1, wherein the flow director comprises:
the deflector body is an annular non-conductive body;
a spiral rib configured to extend spirally along the inner wall of the torus from the first end face of the deflector to the second end face of the deflector;
the spiral groove is formed by combining grooves formed on two adjacent side edges of the spiral rib and the coil together to form a gas channel;
the air inlet is arranged at the beginning of the spiral rib and is positioned at the opening on the first end face of the flow guider.
3. The hydrogen energy air compressor motor of claim 2, wherein a side of the motor housing has a gas source;
the air source is in a hole shape and is opposite to the air inlet.
4. The hydrogen-powered air compressor motor of claim 3, further comprising:
a shaft assembly configured to be positioned within the stator assembly, extending axially;
a thrust bearing configured to be disposed between the end cap and the shaft assembly;
and the end cover is configured to be positioned at the end part of the motor shell and form a sealing space with the motor shell, and a heat dissipation space is arranged between the end cover and the stator assembly.
5. The hydrogen energy air compressor motor of claim 4, wherein the external air is pressurized from an air source into the motor housing, into the air inlet, along the spiral groove and into the exhaust space.
6. The hydrogen energy air compressor motor of claim 1, wherein the stator assembly is a stator coil.
7. A cooling device for a motor of a hydrogen air compressor, comprising a deflector according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320253659.2U CN219678265U (en) | 2023-02-20 | 2023-02-20 | Hydrogen energy air compressor motor and cooling device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320253659.2U CN219678265U (en) | 2023-02-20 | 2023-02-20 | Hydrogen energy air compressor motor and cooling device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219678265U true CN219678265U (en) | 2023-09-12 |
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ID=87926206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320253659.2U Active CN219678265U (en) | 2023-02-20 | 2023-02-20 | Hydrogen energy air compressor motor and cooling device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219678265U (en) |
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2023
- 2023-02-20 CN CN202320253659.2U patent/CN219678265U/en active Active
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