CN113991924A - Casing of high-efficient heat dissipation liquid cooling and motor and air compressor machine thereof - Google Patents
Casing of high-efficient heat dissipation liquid cooling and motor and air compressor machine thereof Download PDFInfo
- Publication number
- CN113991924A CN113991924A CN202111168003.2A CN202111168003A CN113991924A CN 113991924 A CN113991924 A CN 113991924A CN 202111168003 A CN202111168003 A CN 202111168003A CN 113991924 A CN113991924 A CN 113991924A
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- Prior art keywords
- liquid
- motor
- casing
- layer
- cooling
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
- H02K5/203—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium specially adapted for liquids, e.g. cooling jackets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention provides a high-efficiency heat-dissipation liquid-cooled machine shell, wherein a plurality of layers of liquid flow channels are arranged in a shell of the machine shell, the liquid flow channels of each layer are connected through a connecting channel, each layer of liquid flow channel is provided with a plurality of grooves and a plurality of water-proof platforms, the grooves and the water-proof platforms are sequentially arranged in the radial direction, and the number of the grooves and the number of the water-proof platforms are equal. The invention can improve the heat dissipation capacity of the motor, reduce the temperature rise of the motor, improve the efficiency of the motor, further solve the problem of low operation efficiency of the air compressor system, simultaneously play a role in sound insulation and noise reduction, and the shell is simple to process, and can reduce the cost of the motor.
Description
Technical Field
The invention relates to the field of motor casings, in particular to a high-efficiency heat-dissipation liquid-cooled casing, a motor and an air compressor.
Background
The air compressor motor is mainly divided into an asynchronous motor and a permanent magnet motor, and because the asynchronous motor is designed based on a rated point, when the rotating speed of the motor is reduced, the efficiency and the power factor of the motor are sharply reduced. The air compressor is used as a common power source device, and the average load rate is 57%, so that the asynchronous motor is not an optimal matching motor. The permanent magnet synchronous motor can be used for frequency conversion and speed regulation, and has the advantages of low temperature rise, high power density, good starting performance, high light load efficiency, small size, light weight and the like, so that the permanent magnet motor is used for replacing an asynchronous motor after the industry is subjected to large-scale energy-saving transformation. The improvement is basically finished at present, and the incremental market enters the stock market. And then the whole air compressor industry puts higher requirements on the motor structure, the cooling mode, the energy conservation, the low noise and the like. The oil cooling motor has the advantages that the oil duct is arranged on the casing, the motor is cooled, the effect of the motor is obviously improved, and meanwhile, the motor is compact in structure, smaller in size and lower in noise.
However, the air compressor still has the disadvantages of low operation efficiency and huge power consumption as a general power source device, so that the air compressor needs to be improved in energy saving mode through the permanent magnet motor to improve the efficiency grade of the permanent magnet motor, and therefore the energy consumption of the air compressor is reduced.
Disclosure of Invention
In order to overcome the above disadvantages of the prior art, the present invention provides a high-efficiency heat-dissipating liquid-cooled casing, a motor and an air compressor thereof, so as to solve the above technical problems.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides a casing of high-efficient heat dissipation liquid cooling, wherein, be provided with a plurality of layers of liquid flow way in the casing of casing, every layer connect through interface channel between the liquid flow way, every layer the liquid flow way all sets up a plurality of slots and a plurality of water proof platform, a plurality of slots with a plurality of water proof platform are radially arranged in proper order, just the slot with the quantity of water proof platform equals.
As a further improvement of the invention: the cooling device is characterized in that a cooling liquid outlet and a cooling liquid inlet which are connected with each layer of liquid flow channel are arranged on the machine shell, and the cooling liquid outlet and the cooling liquid inlet are arranged in the middle of the machine shell.
As a further improvement of the invention: the casing has a casing outer diameter D and a casing length Ln, the casing length Ln related to the casing outer diameter by:
as a further improvement of the invention: the liquid flow passage is an axial liquid flow passage.
As a further improvement of the invention: and the adjacent liquid flow channels are in 180-degree rotation symmetry.
As a further improvement of the invention: the shell is formed in one step through an extrusion or stretching process.
As a further improvement of the invention: the liquid flow channel is provided with end welding spots on the end face of the shell.
As a further improvement of the invention: the liquid flow channels are double-layer liquid flow channels which comprise inner-layer liquid flow channels and outer-layer liquid flow channels.
An electric machine, comprising the above-mentioned casing.
An air compressor machine, wherein, includes above-mentioned motor.
Compared with the prior art, the invention has the beneficial effects that:
the heat-dissipating ability that can improve the motor reduces the motor temperature rise, improves motor efficiency, and then solves the problem that air compressor machine system operating efficiency is low, plays the effect of making an uproar of falling that gives sound insulation simultaneously, and casing processing is simple, can reduce motor cost.
Drawings
Fig. 1 is a schematic cross-sectional view of the housing of the present invention.
Fig. 2 is a schematic diagram of the external structure of the housing of the present invention.
Fig. 3 is a schematic cut-away view of the exterior structure of the housing of the present invention.
Fig. 4 is a schematic cross-sectional view of an embodiment of the enclosure of the present invention.
Fig. 5 is a schematic vertical cross-sectional view of an embodiment of the enclosure of the present invention.
Fig. 6 is a schematic structural diagram of an embodiment of the motor of the present invention.
Detailed Description
The invention will now be further described with reference to the accompanying description and examples:
according to the attached drawing 1, the invention provides a high-efficiency heat-dissipation liquid-cooled machine shell 12, wherein a plurality of layers of liquid flow channels 13 are arranged in the shell of the machine shell 12, each layer of liquid flow channels 13 are connected through a connecting channel 7, each layer of liquid flow channel is provided with a plurality of grooves 1 and a plurality of water-proof platforms 2, the grooves 1 and the water-proof platforms 2 are sequentially arranged in the radial direction, and the number of the grooves 1 is equal to that of the water-proof platforms 2.
Casing among the prior art generally is individual layer liquid runner, and the cooling efficiency of individual layer liquid runner is low however, through setting up a plurality of liquid runners 13 layer upon layer, compares individual layer liquid runner and can have better cooling effect, can be better take away the heat that motor heat source produced. The connecting channel 7 is used for connecting the two adjacent liquid flow channels 13, so that the cooling liquid can enter each layer of liquid flow channel at the same time, and the cooling liquid can flow between each layer of liquid flow channel. The grooves 1 are grooves of a single flow channel shown in a cross section of each layer of liquid flow channel, and the water-stop platform 2 is used for separating two adjacent grooves 1.
Referring to fig. 2, the casing 12 is provided with a coolant outlet 3 and a coolant inlet 4 connecting each layer of the fluid flow passage, and the coolant outlet 3 and the coolant inlet 4 are disposed in the middle of the casing 12 in order to further improve the heat dissipation capacity and the operation efficiency of the motor. The cooling liquid outlet and inlet of the casing 12 are arranged at the middle position of the casing 12, so that the temperature difference of different positions of the motor body can be effectively reduced, the temperature field distribution of the motor is uniform, the heat dissipation capacity of the motor is improved, the temperature rise of the motor is reduced, and the efficiency of the motor is improved.
Referring to FIGS. 2-3, the casing 12 has a casing outer diameter D and a casing length Ln, where the casing length Ln is related to the outer diameter of the casing 12 by:
the outer diameter D of the casing is from center to center as shown by the cross section of the casing 12The diameter of the circle of the surface of the shell 12. The axial length Ln of the casing 12 can be cut out randomly according to the use requirement, the end part of the casing 12 is subjected to welding treatment, the end part is subjected to axial sealing, and friction welding treatment is recommended to ensure the welding quality and the product consistency.
For example, the length Ln of the casing shown in fig. 3 can be divided into L1, L2 and L3, and the specific use length thereof can be arbitrarily cut according to actual needs.
Generally, the length of the housing 12 is set within a range
Optimally when
When the length of the casing 12 is not more than 3 x D, the axial length of the casing 12 is too long, and the path of the cooling liquid flowing in the casing 12 is too long, so that heat transmission is not facilitated. Where D is the outer diameter of the housing 12.
Referring to fig. 1 to 3, the liquid flow path 13 is an axial liquid flow path. The axial liquid flow channel has better cooling effect compared with other liquid flow channels.
As shown in fig. 1 to 3, adjacent liquid flow channels 13 have 180 ° rotational symmetry. This ensures that the coolant enters between the adjacent two fluid channels from opposite ends.
As shown in fig. 1 to 3, the housing 12 is formed in one step through an extrusion or drawing process. The profile of the housing 12 can be adjusted according to the mold, and is not limited to a full circle, and there can be trimming chamfers and other irregular profiles.
Referring to fig. 5, each layer of fluid flow channels 13 has end welds 14 on the end faces of the housing 12. The welding quality and the consistency of finished products can be ensured.
According to one embodiment of the present invention shown in fig. 4 to 5, the housing 12 comprises the above-mentioned liquid flow channels, wherein the liquid flow channels are double-layer liquid flow channels, and the double-layer liquid flow channels comprise an inner liquid flow channel 5 and an outer liquid flow channel 6. The double-layer liquid flow channel is a double-layer mixed axial flow channel, namely an inner-layer liquid flow channel 5, an outer-layer liquid flow channel 6 and a connecting channel 7, each layer of liquid flow channel is composed of a water-resisting platform 2 and grooves 1, the water-resisting platform and the grooves are sequentially arranged in the radial direction, and the number of the water-resisting platform and the grooves is equal. The inner layer liquid flow passage 5 and the outer layer liquid flow passage 6 are communicated through a connecting passage 7, so that the cooling liquid can enter the inner layer liquid flow passage 6 and the outer layer liquid flow passage 6 simultaneously. Meanwhile, the outer layer liquid flow channel 6 and the inner layer liquid flow channel 5 are in 180-degree rotation symmetry, so that the cooling liquid is ensured to enter from the left end of the inner layer and enter from the right end of the outer layer, or the cooling liquid enters from the right end of the inner layer and enters from the left end of the outer layer. The inner layer liquid flow passage 5 of the present invention has an inner layer end welding point 141 on the end surface of the casing 12, and the outer layer liquid flow passage 6 has an outer layer end welding point 142 on the end surface of the casing 12.
The cross section of the groove 1 in the liquid flow channel described in the present invention is not limited to the "U" shape cross section shown in the figure, and may be an isosceles trapezoid, an ellipse, an inverted triangle, or the like.
Another embodiment of the present invention is a motor, as shown in fig. 6, including the above-mentioned housing 12, further including a front end cover 8, a rear end cover 9, a stator 10 and a rotor 11, where the stator 10 and the rotor 11 are disposed inside the motor, and the housing 12 is sealed front and back by the front end cover 8 and the rear end cover 9.
The invention also provides another embodiment, which is an air compressor, wherein the air compressor comprises the motor.
The main functions of the invention are as follows: the motor is applied to the shell of various motors and the air compressor using the motors.
In summary, after reading the present disclosure, those skilled in the art can make various other corresponding changes without creative mental labor according to the technical solutions and concepts of the present disclosure, and all of them are within the protection scope of the present disclosure.
Claims (10)
1. The utility model provides a casing of high-efficient heat dissipation liquid cooling, its characterized in that, be provided with a plurality of layers of liquid runner in the casing of casing, every layer connect through interface channel between the liquid runner, every layer the liquid runner all sets up a plurality of slots and a plurality of water proof platform, a plurality of slots with a plurality of water proof platform are radial to be arranged in proper order, just the slot with the quantity of water proof platform equals.
2. The liquid-cooled enclosure according to claim 1, wherein a cooling liquid outlet and a cooling liquid inlet are provided on the enclosure to connect the liquid flow passages of each layer, and the cooling liquid outlet and the cooling liquid inlet are provided in the middle of the enclosure.
3. The housing of claim 1, wherein the housing has an outer housing diameter D and a housing length Ln, the housing length Ln related to the outer housing diameter by:
4. the high efficiency liquid cooling enclosure of claim 1 wherein the liquid flow path is an axial liquid flow path.
5. The liquid-cooled enclosure according to claim 1, wherein adjacent liquid channels are 180 ° rotationally symmetric.
6. The high efficiency liquid cooling enclosure of claim 1, wherein the enclosure is formed in one piece by an extrusion or drawing process.
7. The liquid cooled enclosure of claim 1 wherein the liquid flow channel has end welds on the end surfaces of the enclosure.
8. The liquid cooling enclosure according to any one of claims 1 to 7, wherein the plurality of liquid channels are double-layer liquid channels, and the double-layer liquid channels include an inner liquid channel and an outer liquid channel.
9. An electrical machine comprising a housing as claimed in any one of claims 1 to 7.
10. An air compressor characterized by comprising the motor of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111168003.2A CN113991924A (en) | 2021-09-30 | 2021-09-30 | Casing of high-efficient heat dissipation liquid cooling and motor and air compressor machine thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111168003.2A CN113991924A (en) | 2021-09-30 | 2021-09-30 | Casing of high-efficient heat dissipation liquid cooling and motor and air compressor machine thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113991924A true CN113991924A (en) | 2022-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111168003.2A Pending CN113991924A (en) | 2021-09-30 | 2021-09-30 | Casing of high-efficient heat dissipation liquid cooling and motor and air compressor machine thereof |
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| CN (1) | CN113991924A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004364365A (en) * | 2003-06-02 | 2004-12-24 | Toshiba Corp | Totally-enclosed self-cooled motor for driving vehicle and process for manufacturing cooler for motor |
| CN102148545A (en) * | 2011-04-22 | 2011-08-10 | 天津市松正电动汽车技术股份有限公司 | Large-flow water-cooling motor shell and manufacturing process thereof |
| CN204559298U (en) * | 2015-04-28 | 2015-08-12 | 南车株洲电力机车研究所有限公司 | A kind of liquid-cooled motor casing |
| CN207573153U (en) * | 2017-12-25 | 2018-07-03 | 郑州德盛祥电机制造有限公司 | Fluid-cooled electrical machine casing and motor |
| CN109802508A (en) * | 2019-03-21 | 2019-05-24 | 宁波安信数控技术有限公司 | A kind of liquid cooling casing and its manufacturing method convenient for dynamo series |
| CN208923954U (en) * | 2018-09-10 | 2019-05-31 | 杭州奥泰电器有限公司 | A kind of fluid-cooled electrical machine shell |
-
2021
- 2021-09-30 CN CN202111168003.2A patent/CN113991924A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004364365A (en) * | 2003-06-02 | 2004-12-24 | Toshiba Corp | Totally-enclosed self-cooled motor for driving vehicle and process for manufacturing cooler for motor |
| CN102148545A (en) * | 2011-04-22 | 2011-08-10 | 天津市松正电动汽车技术股份有限公司 | Large-flow water-cooling motor shell and manufacturing process thereof |
| CN204559298U (en) * | 2015-04-28 | 2015-08-12 | 南车株洲电力机车研究所有限公司 | A kind of liquid-cooled motor casing |
| CN207573153U (en) * | 2017-12-25 | 2018-07-03 | 郑州德盛祥电机制造有限公司 | Fluid-cooled electrical machine casing and motor |
| CN208923954U (en) * | 2018-09-10 | 2019-05-31 | 杭州奥泰电器有限公司 | A kind of fluid-cooled electrical machine shell |
| CN109802508A (en) * | 2019-03-21 | 2019-05-24 | 宁波安信数控技术有限公司 | A kind of liquid cooling casing and its manufacturing method convenient for dynamo series |
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Application publication date: 20220128 |
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| RJ01 | Rejection of invention patent application after publication |