CN220769751U - Air-cooled electric compressor - Google Patents
Air-cooled electric compressor Download PDFInfo
- Publication number
- CN220769751U CN220769751U CN202322575311.8U CN202322575311U CN220769751U CN 220769751 U CN220769751 U CN 220769751U CN 202322575311 U CN202322575311 U CN 202322575311U CN 220769751 U CN220769751 U CN 220769751U
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- air
- motor
- electric compressor
- rotor
- stator
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- 230000004308 accommodation Effects 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000001816 cooling Methods 0.000 description 6
- 239000000498 cooling water Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides an air-cooled electric compressor, which is characterized in that a control component is arranged on one side of a turbine component, and a motor component is arranged on the other side of the turbine component, so that heat emitted by the control component is far away from the motor component, and the heat around the motor component is reduced; the motor component comprises a flow guide part and a motor, when the motor drives the dynamic pressure impeller to rotate, air is sucked from the air inlet, heat emitted by the motor can be taken away firstly, and then the dynamic pressure impeller is fed into the volute, so that the motor is cooled by the air.
Description
Technical Field
The utility model relates to the technical field of automobile engines, in particular to an air-cooled electric compressor.
Background
With the development of the automobile industry, the hybrid automobile and the extended range electric automobile are developed faster at the present stage, the requirements of people on the comprehensive performance of the automobile are higher and higher, and the use of an electric compressor possibly becomes a trend.
Because the electric compressor has higher rotating speed and more obvious heat generation, the cooling of the high-speed motor is very important. Electric compressors for the market at present generally use water cooling of a motor housing, for example, as shown in a chinese patent application, high-speed motor (CN 219287256U), wherein the heat dissipation system shown includes a water cooling system, and the water cooling system includes: the motor shell comprises a motor inner shell and a motor outer shell which are combined together, the cooling water cavity is formed between the motor inner shell and the motor outer shell, the water inlet and the water return port are arranged on the motor outer shell and are respectively communicated with the cooling water cavity, the water inlet is close to the front end of the high-speed motor, and the water return port is close to the rear end of the high-speed motor; the water cooling system is arranged to radiate heat of the motor, so that the problems of complex structure and high manufacturing cost exist, and in the high-speed operation of the motor, the risk of failure of the motor or a circuit board caused by water leakage exists.
Disclosure of Invention
The utility model aims to solve the problems that: compared with water cooling, the electric compressor has the advantages of simpler structure, lower manufacturing cost and no water leakage risk.
The utility model solves the problems by adopting the following technical scheme: an air-cooled electric compressor comprising:
a turbine assembly, wherein the turbine assembly includes a volute and a compressor wheel;
a control assembly, wherein the control assembly is disposed on one side of the turbine assembly; and
a motor assembly, wherein the motor assembly is disposed on the other side of the turbine assembly; the motor assembly comprises a flow guide component and a motor which is fixedly connected in the flow guide component and is used for driving the impeller; one end of the flow guide part, which is far away from the impeller, is provided with an air inlet; when the impeller rotates, air sucked from the air inlet passes through the motor so as to cool the motor.
Compared with the prior art, the utility model has the following beneficial effects: the control assembly is arranged on one side of the turbine assembly, and the motor assembly is arranged on the other side of the turbine assembly, so that heat emitted by the control assembly is far away from the motor assembly, and the heat around the motor assembly is reduced; the motor component comprises a flow guide part and a motor, when the motor drives the dynamic pressure impeller to rotate, air is sucked from the air inlet, heat emitted by the motor can be taken away firstly, and then the dynamic pressure impeller is fed into the volute, so that the motor is cooled by the air.
According to one embodiment of the utility model, the flow guiding component is internally provided with a containing space which is the same as the air inlet, and the motor is arranged in the containing space; the motor includes a stator having a hollow structure; the accommodating space is divided into an outer air flow passage and an inner air flow passage by the stator; the motor further includes a rotor; the rotor is disposed in the inner air flow passage; through the design of outer air runner and interior air runner for when air is inhaled from the air inlet, flow through the outside and the inside of motor respectively, make the radiating effect of air to the motor better.
According to one embodiment of the utility model, the middle part of the accommodating space is provided with a stator fixing piece; the stator is fixedly connected in the stator fixing piece; through the design of stator mounting for the stator can be fixed in accommodation space, so that the stator divides outer air runner and interior air runner in accommodation space.
According to one embodiment of the utility model, rotor fixing pieces are arranged at two ends of the accommodating space; a bearing is arranged in the rotor fixing piece; the two ends of the rotor are respectively arranged in the bearings; the rotor is rotatably arranged in the stator by the design of the rotor holder.
According to one embodiment of the utility model, the bearing is provided as a ball bearing or as an air bearing, so that a suitable bearing is selected according to the actual situation.
According to one embodiment of the utility model, the end of the rotor remote from the air inlet is connected to the impeller in order to transmit the rotational power of the rotor to the impeller.
According to one embodiment of the utility model, the end of the scroll adjacent to the flow guiding member is provided with a flow guiding port for collecting air flowing from the flow guiding member.
According to one embodiment of the utility model, the control assembly includes a housing and a circuit board disposed in the housing for providing control to the motor assembly.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
FIG. 3 is a schematic illustration of the stator engaging a stator mount;
FIG. 4 is a schematic diagram of the rotor and rotor mount and bearing mating;
FIG. 5 is a schematic view of the direction of air flow of the outer air flow channel;
FIG. 6 is a schematic view of the direction of air flow in the inner air flow channel.
Detailed Description
Before any embodiments of the utility model are explained in detail, it is to be understood that the utility model is not limited in its application to the details of construction and the arrangement of components set forth in the following description or illustrated in the following drawings. The utility model is capable of other embodiments and of being practiced or of being carried out in various ways. Also, it is to be understood that the phraseology and terminology used herein is for the purpose of description and should not be regarded as limiting. The use of "including" or "having" and variations thereof herein is meant to encompass the items listed thereafter and equivalents thereof as well as additional items. Unless specified or limited otherwise, the terms "mounted," "connected," "supported," and "coupled" and variations thereof are used broadly and encompass both direct and indirect mountings, connections, supports, and couplings. Furthermore, "connected" and "coupled" are not restricted to physical or mechanical connections or couplings.
Also, in the present disclosure, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience in describing the present disclosure and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus the above terms should not be construed as limiting the present disclosure; in a second aspect, the terms "a" and "an" should be understood as "at least one" or "one or more", i.e. in one embodiment the number of one element may be one, while in another embodiment the number of the element may be plural, the term "a" should not be construed as limiting the number.
It will be appreciated by persons skilled in the art that the embodiments of the utility model described above and shown in the drawings are by way of example only and are not limiting. The objects of the present utility model have been fully and effectively achieved. The functional and structural principles of the present utility model have been shown and described in the examples and embodiments of the utility model may be modified or practiced without departing from the principles described.
Embodiments of the present utility model are further described below with reference to the accompanying drawings.
Referring to fig. 1-6, an air-cooled electric compressor includes: a turbine assembly 1, a control assembly 2 and a motor assembly 3; the turbine assembly 1 includes a scroll 11 and a compressor wheel 12; the control assembly 2 is arranged at one side of the turbine assembly 1; the motor assembly 3 is arranged on the other side of the turbine assembly 1; the motor assembly 3 comprises a flow guiding component 31 and a motor 32 fixedly connected in the flow guiding component 31 and used for driving the impeller 12; the end of the flow guiding component 31 far away from the impeller 12 is provided with an air inlet 311; when the impeller 12 rotates, air sucked from the air inlet 311 passes through the motor 32 to cool the motor 32.
In actual use, the control assembly 2 is arranged on one side of the turbine assembly 1, and the motor assembly 3 is arranged on the other side of the turbine assembly 1, so that the heat emitted by the control assembly 2 is far away from the motor assembly 3, and the heat around the motor assembly 3 is reduced; the motor assembly 3 comprises the flow guide part 31 and the motor 32, when the motor 32 drives the impeller 12 to rotate, air is sucked from the air inlet 311, heat emitted by the motor 32 can be taken away firstly, and then the air is sent into the volute 11 by the impeller 12, so that the motor 32 is cooled by the air.
With continued reference to fig. 2, 5 and 6, the guide member 31 has a receiving space 312 in the same manner as the air inlet 311, and the motor 32 is disposed in the receiving space 312; the motor 32 includes a stator 321 having a hollow structure; the accommodation space 312 is divided into an outer air flow path 3211 and an inner air flow path 3212 by a stator 321; the motor 32 also includes a rotor 322; the rotor 322 is disposed in the inner air flow path 3212; by the design of the outer air flow channel 3211 and the inner air flow channel 3212, when air is sucked from the air inlet 311, the air flows through the outside and the inside of the motor 32, respectively, so that the heat dissipation effect of the air on the motor 32 is better.
With continued reference to fig. 3, a stator fixing member 313 is disposed in the middle of the accommodating space 312; the stator 321 is fixedly connected in the stator fixing member 313; the stator 321 can be fixed in the receiving space 312 by the design of the stator fixing member 313 so that the stator 321 divides the outer air flow path 3211 and the inner air flow path 3212 in the receiving space 312.
Specifically, as shown in fig. 3, the stator fixing member 313 includes a collar having a size matching the outer diameter of the stator 321, and a plurality of connection pieces provided along the circumference of the collar, the plurality of connection pieces being fixedly connected to the inner wall of the receiving space 312; the stator 321 is fixed in the yoke, thereby ensuring the installation and stable operation of the stator 321.
With continued reference to fig. 4, rotor fixing members 314 are disposed at both ends of the accommodating space 312; a bearing 315 is provided in the rotor holder 314; both ends of the rotor 322 are respectively disposed in the bearings 315; the rotor 322 is rotatably disposed in the stator 321 by the design of the rotor holder 314.
Specifically, as shown in fig. 4, the rotor fixing members 314 provided at both ends include a yoke having a size corresponding to an outer diameter of the bearing 315, and a plurality of connection pieces provided along a circumference of the yoke, the plurality of connection pieces being fixedly connected to an inner wall of the receiving space 312; the bearing 315 is fixed in the clamp, thereby ensuring the installation and stable operation of the bearing 315; the middle part of the rotor 322 is located in the stator 321, and cooperates with the stator 321, and both ends are rotatably connected to the bearings 315, respectively, to ensure stable rotation of the rotor 322.
With continued reference to fig. 2 and 4, when the rotational speed of the rotor 322 is low, the ball bearing may be selected as the bearing 315 according to the present utility model; when the rotation speed of the rotor 322 of the present utility model is high, the bearing 315 may be an air bearing.
With continued reference to fig. 2, an end of the rotor 322 remote from the air inlet 311 is connected to the impeller 12 so as to transmit the rotational power of the rotor 322 to the impeller 12.
With continued reference to fig. 2, the end of the scroll 11 adjacent to the flow guide member 31 is provided with a flow guide 111 for collecting air flowing through the flow guide member 31.
With continued reference to fig. 2, the control assembly 2 includes a housing 21 and a circuit board 22 disposed in the housing 21 for providing control to the motor assembly 3.
The foregoing is illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the claims. The present utility model is not limited to the above embodiments, and the specific structure thereof is allowed to vary. All changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (8)
1. An air-cooled electric compressor, comprising:
a turbine assembly (1), wherein the turbine assembly (1) comprises a volute (11) and a compressor wheel (12);
a control assembly (2), wherein the control assembly (2) is arranged at one side of the turbine assembly (1); and
-a motor assembly (3), wherein the motor assembly (3) is arranged on the other side of the turbine assembly (1); the motor assembly (3) comprises a flow guiding component (31) and a motor (32) fixedly connected in the flow guiding component (31) and used for driving the impeller (12); one end of the flow guide component (31) far away from the impeller (12) is provided with an air inlet (311); when the impeller (12) rotates, air sucked from the air inlet (311) passes through the motor (32) to cool the motor (32).
2. The air-cooled electric compressor of claim 1, wherein: the flow guiding component (31) is internally provided with an accommodating space (312) which is the same as the air inlet (311), and the motor (32) is arranged in the accommodating space (312); the motor (32) includes a stator (321) having a hollow structure; the accommodation space (312) is divided into an outer air flow path (3211) and an inner air flow path (3212) by the stator (321); the motor (32) further comprises a rotor (322); the rotor (322) is disposed in the inner air flow path (3212).
3. The air-cooled electric compressor of claim 2, wherein: a stator fixing piece (313) is arranged in the middle of the accommodating space (312); the stator (321) is fixedly connected in the stator fixing member (313).
4. An air-cooled electric compressor as claimed in claim 2 or 3, wherein: rotor fixing pieces (314) are arranged at two ends of the accommodating space (312); a bearing (315) is arranged in the rotor fixing piece (314); both ends of the rotor (322) are respectively arranged in the bearings (315).
5. The air-cooled electric compressor of claim 4, wherein: the bearing (315) is configured as a ball bearing or as an air bearing.
6. The air-cooled electric compressor of claim 2, wherein: one end of the rotor (322) far away from the air inlet (311) is connected with the impeller (12).
7. The air-cooled electric compressor of claim 2, wherein: and a guide opening (111) is arranged at one end of the scroll (11) close to the guide part (31).
8. The air-cooled electric compressor of claim 2, wherein: the control assembly (2) comprises a housing (21) and a circuit board (22) arranged in the housing (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322575311.8U CN220769751U (en) | 2023-09-22 | 2023-09-22 | Air-cooled electric compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322575311.8U CN220769751U (en) | 2023-09-22 | 2023-09-22 | Air-cooled electric compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220769751U true CN220769751U (en) | 2024-04-12 |
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ID=90618809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322575311.8U Active CN220769751U (en) | 2023-09-22 | 2023-09-22 | Air-cooled electric compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220769751U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118088309A (en) * | 2024-04-25 | 2024-05-28 | 宁波丰沃增压科技股份有限公司 | High-efficient refrigerated electric turbocharger |
-
2023
- 2023-09-22 CN CN202322575311.8U patent/CN220769751U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118088309A (en) * | 2024-04-25 | 2024-05-28 | 宁波丰沃增压科技股份有限公司 | High-efficient refrigerated electric turbocharger |
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