CN104344521A - Air conditioner indoor unit and motor heat radiating structure thereof - Google Patents
Air conditioner indoor unit and motor heat radiating structure thereof Download PDFInfo
- Publication number
- CN104344521A CN104344521A CN201310337576.2A CN201310337576A CN104344521A CN 104344521 A CN104344521 A CN 104344521A CN 201310337576 A CN201310337576 A CN 201310337576A CN 104344521 A CN104344521 A CN 104344521A
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- China
- Prior art keywords
- air
- motor
- air duct
- air conditioner
- heat dissipation
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/10—Arrangements for cooling or ventilating by gaseous cooling medium flowing in closed circuit, a part of which is external to the machine casing
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
Abstract
The invention discloses a motor heat radiating structure. The motor heat radiating structure comprises a first air duct and a second air duct, wherein the first air duct is positioned on the rear side of an air conditioner and used for guiding external air into the air conditioner; one end of the second air duct is communicated with the first air duct, the other end of the second air duct is communicated with a negative pressure cavity of the air conditioner, and a motor is arranged on a passage between the first air duct and the second air duct. The invention correspondingly discloses an indoor unit comprising the motor heat radiating structure. As the motor is positioned on the passage between the first air duct and the second air duct, heat produced by the motor can be discharged by air passing the passage between the first air duct and the second air duct, thereby improving the heat radiating effect of the motor. Besides, external air is fed into the negative pressure cavity of the air conditioner through the first air duct and the second air duct and is discharged out of the air conditioner from the negative pressure cavity, cyclically flowing air is formed, and the heat radiating effect of the motor is further improved.
Description
Technical Field
The invention relates to the field of air conditioners, in particular to an air conditioner indoor unit and a motor heat dissipation structure thereof.
Background
As shown in fig. 1, the conventional air conditioner includes a casing, a tubular wind wheel mounting portion 11 and a motor mounting portion 12 are disposed in the casing, a heat dissipation grid 14 is disposed on the motor mounting portion 12 corresponding to a position where a motor is mounted, and a heat dissipation channel 15 communicating a mounting position of the motor with an outside of the casing is disposed on an inner side of the casing. Although the heat generated by the motor during the operation of the air conditioner can exchange heat 15 with the outside of the housing through the heat dissipation channel 15, so as to achieve the purpose of heat dissipation. But it cannot form a continuous air flow, so its heat dissipation effect is not good.
Disclosure of Invention
The invention mainly aims to provide an air conditioner indoor unit and a motor heat dissipation structure thereof, and aims to improve the heat dissipation efficiency of a motor.
The invention provides a motor heat dissipation structure of an air conditioner, which comprises a first air duct and a second air duct; the first air duct is positioned at the rear side of the air conditioner and used for guiding external air into the air conditioner; one end of the second air duct is communicated with the first air duct, the other end of the second air duct is communicated with a negative pressure cavity of the air conditioner, and a motor is arranged on a passage between the first air duct and the second air duct.
Preferably, a motor mounting seat is connected to the heat exchanger of the air conditioner, and a mounting part for mounting the motor is arranged on the motor mounting seat; and a channel penetrating through the motor mounting seat is arranged around the mounting hole of the motor mounting seat and forms the second air duct.
Preferably, the motor heat dissipation structure includes a heat dissipation hole penetrating through the rear side of the inner shell, and the heat dissipation hole is communicated with a first air inlet arranged on an air inlet grille of the air conditioner to form the first air duct.
Preferably, the heat dissipation hole penetrating through the rear side of the inner shell, and a channel enclosed between the rear side of the inner shell and the rear side of the heat exchanger; the first air inlet, the channel formed by enclosing the rear side of the inner shell and the rear side of the heat exchanger and the heat dissipation holes are communicated in sequence to form a first air duct; and/or the heat dissipation holes are communicated with first air inlets arranged on an air inlet grid of the air conditioner to form the first air channel.
Preferably, the motor mounting seat of the air conditioner comprises a horizontal support part of the front volute and a horizontal support part of the rear volute, and the rear side of the horizontal support part of the rear volute is clamped with an upper sealing plate of the heat exchanger.
Preferably, the edge of the motor mounting base extends upwards to form a side wall for protecting the motor, and the side wall is provided with a through hole.
Preferably, the motor mounting seat, the upper sealing plate of the heat exchanger and the rear side of the inner shell of the air conditioner are closed to form a heat dissipation space, and the first air duct and the second air duct are communicated in the heat dissipation space.
Correspondingly, the invention also provides an air conditioner indoor unit, which comprises a shell, a heat exchanger and a cross-flow wind wheel, wherein the heat exchanger and the cross-flow wind wheel are arranged on the upper part of the shell; the air conditioner indoor unit further comprises the motor heat dissipation structure and a third air duct, the heat exchanger is arranged on the third air duct, and the third air duct and the first air duct in the motor heat dissipation structure suck air from the air inlet.
Correspondingly, the invention also provides an air conditioner indoor unit, which comprises a shell, a heat exchanger and a cross-flow wind wheel, wherein the heat exchanger and the cross-flow wind wheel are arranged on the upper part of the shell; the air conditioner indoor unit further comprises the motor heat dissipation structure and a third air duct, the heat exchanger is arranged on the third air duct, the third air duct sucks air from the second air inlet, and a first air duct in the motor heat dissipation structure sucks air from the first air inlet.
Correspondingly, the invention also provides an air conditioner indoor unit, which comprises a shell, a heat exchanger and a cross-flow wind wheel, wherein the heat exchanger and the cross-flow wind wheel are arranged on the upper part of the shell; the air conditioner indoor unit further comprises the motor heat dissipation structure and a third air duct, the heat exchanger is arranged on the third air duct, the third air duct sucks air from the second air inlet, and a first air duct in the motor heat dissipation structure sucks air from the first air inlet and the second air inlet respectively.
Because the motor is positioned on the passage of the first air duct and the second air duct, the heat generated by the motor can be discharged by the air passing through the passage of the first air duct and the second air duct, and the heat dissipation effect of the motor is improved. In addition, the negative pressure cavity of the air conditioner enables external air to enter the negative pressure cavity of the air conditioner through the first air duct and the second air duct, and then the air conditioner is discharged from the negative pressure cavity, so that circularly flowing air is formed, and the heat dissipation effect of the motor is further improved.
Drawings
Fig. 1 is a schematic structural view of a heat dissipation structure of a motor in an indoor unit of an air conditioner in the prior art;
fig. 2 is an exploded view of the components of the indoor unit of the air conditioner except the casing;
fig. 3 is a schematic view of the combination structure of the housing, the heat exchanger assembly and the motor in the indoor unit of the air conditioner;
FIG. 4 is a schematic view of the combination structure of the heat exchanger assembly with the rear volute and the cross flow wind wheel in the indoor unit of the air conditioner;
FIG. 5 is a schematic elevation view of the structure of FIG. 3;
FIG. 6 is a schematic cross-sectional view of an embodiment A-A of FIG. 5;
FIG. 7 is a schematic cross-sectional view of another embodiment A-A of FIG. 5;
fig. 8 is a schematic cross-sectional view of a further embodiment a-a of fig. 5.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical scheme of the invention is further explained by combining the drawings and the specific embodiments in the specification. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention provides a motor heat dissipation structure of an air conditioner, which comprises a first air duct and a second air duct; the first air duct is positioned at the rear side of the air conditioner and used for guiding external air into the air conditioner; one end of the second air duct is communicated with the first air duct, the other end of the second air duct is communicated with a negative pressure cavity of the air conditioner, and a motor is arranged on a passage between the first air duct and the second air duct. The negative pressure generated in the negative pressure cavity can enable external wind to be sucked from the outside, flow into the negative pressure cavity through the first air duct and the second air duct, and then the negative pressure cavity discharges the wind from the front side of the air conditioner. Because the motor is positioned on the passage of the first air duct and the second air duct, the heat generated by the motor can be discharged by the air passing through the passage of the first air duct and the second air duct, and the heat dissipation effect of the motor is improved. The motor heat dissipation structure will be described in detail below in conjunction with an air conditioner.
Referring to fig. 2 and 3, a structure of an air conditioner indoor unit to which a motor heat dissipation structure is applied is provided. The air conditioner comprises a shell 10, a heat exchange assembly 20 and an air duct assembly 30. Wherein,
as shown in fig. 6, the casing 10 includes an inner casing 11 and an air inlet grille 12, the air inlet grille 12 is connected to the inner casing 11, and the air inlet grille 12 is provided with a first air inlet 121 and a second air inlet 122. The rear side of the inner shell 11 is further provided with a heat dissipation hole 13, and the heat dissipation hole 13 is communicated with the first air inlet 121. In the first embodiment, the first air duct is formed by the heat dissipation holes 13 and the first air inlet 121 which are communicated with each other.
The heat exchange assembly 20 comprises a heat exchanger 21 and an electric heating pipe 22. The upper end of the heat exchanger 21 is fixedly connected with an upper sealing plate 23, and the lower end of the heat exchanger 21 is fixedly connected with a lower water-receiving tray 24. The heat exchange assembly 20 is adapted to the shape of the housing 10, such as a circular arc in this embodiment. The heat exchange assembly 20 is fixed at the rear side of the casing 10, and a space is provided between the rear side of the heat exchanger 21 and the rear side of the inner casing 11, so that the rear side of the heat exchanger 21 and the rear side of the inner casing 11 form a channel, one end of the channel is communicated with the second air inlet 122, and the other end of the channel is communicated with the heat dissipation hole 13. In the second embodiment, the first air duct is formed by a first air inlet 121, a channel formed by enclosing between the rear side of the inner shell 11 and the rear side of the heat exchanger 21, and a heat dissipation hole 13, which are sequentially communicated, and/or the first air duct is formed by communicating the heat dissipation hole 13 with the first air inlet 121 arranged on the air inlet grille 12 of the air conditioner.
The air duct assembly 30 includes a front volute 31, a rear volute 32, and a cross-flow wind wheel 33 disposed between the front volute 31 and the rear volute 32. The front volute 31 and the rear volute 32 are fixedly attached to each other, and a hollow accommodating cavity is formed and used for accommodating the cross-flow wind wheel 33. The number of the cross flow wind wheels 33 is 2, and the top of each cross flow wind wheel 33 is also connected with a motor 34. The upper end of the front volute 31 is provided with a first horizontal supporting part 311, the upper end of the rear volute 32 is also provided with a second horizontal supporting part 321, when the front volute 31 is fixedly connected with the rear volute 32, the first horizontal supporting part 311 and the second horizontal supporting part 321 are in the same horizontal plane, and a motor mounting seat is formed when the front volute 31 and the rear volute 32 are mutually attached. In addition, the rear side of the rear volute 32 is also connected with the upper sealing plate 23 of the heat exchange assembly 20 in a clamping manner.
Referring to fig. 4, the motor mounting seat 35a formed on the front scroll casing 31 is taken as an example, and the structure of the motor mounting seat formed on the front scroll casing 32 is symmetrical to the structure of the motor mounting seat 35a, which is not described herein again. The motor mounting seat 35a is provided with a mounting part 351 for mounting the motor 34, the motor 34 is mounted on the mounting part 351, and the output shaft of the motor 34 passes through the mounting part 351 and is connected with the cross flow wind wheel 33. The motor mount 35a is further provided with a passage 352 penetrating the motor mount 35a, and the passage 352 is located near or around the mounting portion 351. In this embodiment, the channel 352 forms a second air channel.
Further, referring to fig. 5 to 8, the motor mounting seat, the upper sealing plate 23 and the rear side of the housing form a heat dissipation space, and the first air duct and the second air duct are both communicated with the heat dissipation space. Due to the existence of the heat dissipation space, the heat dissipation effect of the motor can be further improved.
The air conditioner further comprises a third air duct, the heat exchanger 21 is arranged on the third air duct, that is, the second air inlet 122 is communicated with the negative pressure cavity of the air conditioner through the heat exchanger 21 to form a third air duct. When the air conditioner is operated, the cross flow wind wheel 33 is driven to rotate by the rotation of the motor 34. When the rotation directions of the two motors 34 are opposite, the motors drive the two cross-flow wind wheels 33 to rotate in opposite directions, so that a negative pressure cavity is formed in the containing cavity of the cross-flow wind wheel 33. The negative pressure generated in the negative pressure chamber sucks external air from the first air inlet 121 and/or the second air inlet 122 of the air-inlet grille 12, and the air respectively enters the negative pressure chamber from the first air duct, the second air duct and the third air duct and is then discharged from the negative pressure chamber. So that the heat of the motor 34 can be discharged to the outside of the air conditioner through the negative pressure chamber.
Specifically, as shown in fig. 6, in an embodiment, the negative pressure generated in the negative pressure chamber sucks external wind from the first wind inlet 121, and the wind enters the heat dissipation space through the heat dissipation hole 13, enters the negative pressure chamber of the air conditioner through the channel 352 on the motor mounting portion 35, and is then exhausted from the negative pressure chamber. Meanwhile, the negative pressure generated by the negative pressure chamber sucks external air from the second air inlet 122, and the sucked air enters the negative pressure chamber of the air conditioner through the heat exchanger 21 and is then discharged from the negative pressure chamber.
As shown in fig. 7, in another embodiment, a decorative plate is installed on the first air inlet 121. The negative pressure chamber generated by the negative pressure chamber sucks external air from the second air inlet 122, passes through a passage enclosed between the inner shell 11 and the heat exchanger 21, enters a heat dissipation space through the heat dissipation hole 13, and finally enters the negative pressure chamber of the air conditioner through a passage 352 on the motor mounting part 35 and is discharged from the negative pressure chamber. Meanwhile, the negative pressure generated by the negative pressure chamber sucks external air from the second air inlet 122, and the sucked air enters the negative pressure chamber of the air conditioner through the heat exchanger 21 and is then discharged from the negative pressure chamber.
As shown in fig. 8, in another embodiment, the negative pressure chamber generated by the negative pressure chamber sucks external wind from the second wind inlet 122, passes through the channel enclosed between the inner shell 11 and the heat exchanger 21, enters the heat dissipation space through the heat dissipation holes 13, and finally enters the negative pressure chamber of the air conditioner through the channel 352 on the motor mounting portion 35 and is exhausted from the negative pressure chamber. Meanwhile, the negative pressure generated by the negative pressure chamber sucks external air from the first air inlet 121, and the air enters the heat dissipation space through the heat dissipation hole 13, and finally enters the negative pressure chamber of the air conditioner through the channel 352 on the motor mounting part 35 and is discharged from the negative pressure chamber. The negative pressure generated by the negative pressure chamber also sucks external air from the second air inlet 122, and the air enters the negative pressure chamber of the air conditioner through the heat exchanger 21 and is then discharged from the negative pressure chamber.
Further, the edge of the motor mounting seat 35 extends upward to form a side wall 353 for protecting the motor 34, and the side wall 353 is provided with a through hole 354. The side wall 353 not only protects the motor 34, but also facilitates the fixation between the front volute 31 and the rear volute 32 of the air duct assembly 30.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes that can be directly or indirectly applied to other related technical fields using the contents of the present specification and the accompanying drawings are included in the scope of the present invention.
Claims (10)
1. A motor heat radiation structure of an air conditioner is characterized by comprising a first air duct and a second air duct; the first air duct is positioned at the rear side of the air conditioner and used for guiding external air into the air conditioner; one end of the second air duct is communicated with the first air duct, the other end of the second air duct is communicated with a negative pressure cavity of the air conditioner, and a motor is arranged on a passage between the first air duct and the second air duct.
2. The motor heat dissipation structure of the air conditioner as claimed in claim 1, wherein a motor mounting seat is connected to the heat exchanger of the air conditioner, and a mounting portion for mounting the motor is provided on the motor mounting seat; and a channel penetrating through the motor mounting seat is arranged around the mounting hole of the motor mounting seat and forms the second air duct.
3. The motor heat dissipation structure of air conditioner according to claim 1 or 2, wherein the motor heat dissipation structure includes a heat dissipation hole penetrating through a rear side of the inner casing, the heat dissipation hole communicating with a first air inlet provided on an air inlet grille of the air conditioner to form the first air duct.
4. The motor heat dissipation structure of an air conditioner according to claim 1 or 2, wherein the heat dissipation hole penetrating the rear side of the inner casing, the passage defined between the rear side of the inner casing and the rear side of the heat exchanger; the first air inlet, the channel formed by enclosing the rear side of the inner shell and the rear side of the heat exchanger and the heat dissipation holes are communicated in sequence to form a first air duct; and/or the heat dissipation holes are communicated with first air inlets arranged on an air inlet grid of the air conditioner to form the first air channel.
5. The heat dissipating structure of the motor of the air conditioner as claimed in claim 2, wherein the motor mounting seat of the air conditioner includes a horizontal support portion of the front scroll casing and a horizontal support portion of the rear scroll casing, and a rear side of the horizontal support portion of the rear scroll casing is engaged with the upper sealing plate of the heat exchanger.
6. The heat dissipating structure of the motor of the air conditioner as claimed in claim 5, wherein the edges of the electric motor mounting base extend upward to form side walls for protecting the motor, and the side walls are provided with through holes.
7. The motor heat dissipation structure of an air conditioner as claimed in claim 2, wherein the motor mounting seat, the upper sealing plate of the heat exchanger and the rear side of the inner casing of the air conditioner are combined to form a heat dissipation space, and the first air duct and the second air duct are communicated in the heat dissipation space.
8. An indoor unit of an air conditioner comprises a shell, a heat exchanger and a cross-flow wind wheel, wherein the heat exchanger and the cross-flow wind wheel are arranged on the upper portion of the shell; the indoor unit of the air conditioner further comprises a motor heat dissipation structure according to any one of claims 1 to 7 and a third air duct, the heat exchanger is arranged on the third air duct, and the third air duct and the first air duct in the motor heat dissipation structure suck air from the air inlet.
9. An indoor unit of an air conditioner comprises a shell, a heat exchanger and a cross-flow wind wheel, wherein the heat exchanger and the cross-flow wind wheel are arranged on the upper part of the shell; the indoor unit of the air conditioner further comprises a motor heat dissipation structure according to any one of claims 1 to 7 and a third air duct, the heat exchanger is arranged on the third air duct, the third air duct sucks air from the second air inlet, and the first air duct in the motor heat dissipation structure sucks air from the first air inlet.
10. An air conditioner indoor unit is characterized by comprising a shell, a heat exchanger and a cross-flow wind wheel, wherein the heat exchanger and the cross-flow wind wheel are arranged on the upper part of the shell; the indoor unit of the air conditioner further comprises a motor heat dissipation structure according to any one of claims 1 to 7 and a third air duct, the heat exchanger is arranged on the third air duct, the third air duct sucks air from the second air inlet, and the first air duct in the motor heat dissipation structure sucks air from the first air inlet and the second air inlet respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310337576.2A CN104344521B (en) | 2013-08-05 | 2013-08-05 | Air conditioner room unit and its motor radiating structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310337576.2A CN104344521B (en) | 2013-08-05 | 2013-08-05 | Air conditioner room unit and its motor radiating structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104344521A true CN104344521A (en) | 2015-02-11 |
| CN104344521B CN104344521B (en) | 2017-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310337576.2A Active CN104344521B (en) | 2013-08-05 | 2013-08-05 | Air conditioner room unit and its motor radiating structure |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105318438A (en) * | 2015-11-30 | 2016-02-10 | 广东美的制冷设备有限公司 | Indoor unit of air conditioner |
| CN105333509A (en) * | 2015-11-30 | 2016-02-17 | 广东美的制冷设备有限公司 | Air conditioning indoor unit |
| CN105333584A (en) * | 2015-11-30 | 2016-02-17 | 广东美的制冷设备有限公司 | Air duct die set of cabinet air conditioner and cabinet air conditioner |
| CN105352040A (en) * | 2015-11-30 | 2016-02-24 | 广东美的制冷设备有限公司 | Cabinet air conditioner |
| CN105526632A (en) * | 2015-11-30 | 2016-04-27 | 广东美的制冷设备有限公司 | Indoor air conditioner |
| CN106247595A (en) * | 2016-09-30 | 2016-12-21 | 芜湖美智空调设备有限公司 | Wall-mounted spherical indoor set and control method thereof |
| CN106247460A (en) * | 2016-09-30 | 2016-12-21 | 芜湖美智空调设备有限公司 | Wall-hanging air conditioner and control method thereof |
| CN106287988A (en) * | 2016-09-30 | 2017-01-04 | 芜湖美智空调设备有限公司 | Double through-flow air-conditioners and control method thereof |
| CN111654143A (en) * | 2020-05-08 | 2020-09-11 | 欧佩德伺服电机节能系统有限公司 | Motor with internal circulation heat dissipation function and forming method thereof |
| CN112161327A (en) * | 2020-09-24 | 2021-01-01 | Tcl空调器(中山)有限公司 | Air conditioner and motor heat radiation structure thereof |
| CN106287989B (en) * | 2016-09-30 | 2022-03-22 | 芜湖美智空调设备有限公司 | Through-flow air conditioner and control method thereof |
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| CN105333584B (en) * | 2015-11-30 | 2018-07-10 | 广东美的制冷设备有限公司 | The air duct module and cabinet air-conditioner of cabinet air-conditioner |
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| CN105318438A (en) * | 2015-11-30 | 2016-02-10 | 广东美的制冷设备有限公司 | Indoor unit of air conditioner |
| CN105333509A (en) * | 2015-11-30 | 2016-02-17 | 广东美的制冷设备有限公司 | Air conditioning indoor unit |
| CN106247595A (en) * | 2016-09-30 | 2016-12-21 | 芜湖美智空调设备有限公司 | Wall-mounted spherical indoor set and control method thereof |
| CN106287988A (en) * | 2016-09-30 | 2017-01-04 | 芜湖美智空调设备有限公司 | Double through-flow air-conditioners and control method thereof |
| CN106247460A (en) * | 2016-09-30 | 2016-12-21 | 芜湖美智空调设备有限公司 | Wall-hanging air conditioner and control method thereof |
| CN106287988B (en) * | 2016-09-30 | 2022-03-18 | 芜湖美智空调设备有限公司 | Double-through-flow air conditioner and control method thereof |
| CN106287989B (en) * | 2016-09-30 | 2022-03-22 | 芜湖美智空调设备有限公司 | Through-flow air conditioner and control method thereof |
| CN111654143A (en) * | 2020-05-08 | 2020-09-11 | 欧佩德伺服电机节能系统有限公司 | Motor with internal circulation heat dissipation function and forming method thereof |
| CN111654143B (en) * | 2020-05-08 | 2021-06-08 | 欧佩德伺服电机节能系统有限公司 | Motor with internal circulation heat dissipation function and forming method thereof |
| CN112161327A (en) * | 2020-09-24 | 2021-01-01 | Tcl空调器(中山)有限公司 | Air conditioner and motor heat radiation structure thereof |
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|---|---|
| CN104344521B (en) | 2017-03-15 |
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