CN110943565A - Self-circulation bidirectional oil-immersed oil-cooled motor - Google Patents
Self-circulation bidirectional oil-immersed oil-cooled motor Download PDFInfo
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- CN110943565A CN110943565A CN201911189729.7A CN201911189729A CN110943565A CN 110943565 A CN110943565 A CN 110943565A CN 201911189729 A CN201911189729 A CN 201911189729A CN 110943565 A CN110943565 A CN 110943565A
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- oil
- cooling oil
- cooling
- flow passage
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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
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- 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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- Motor Or Generator Cooling System (AREA)
Abstract
The invention provides a self-circulation bidirectional oil immersion type oil cooling motor which comprises a shell, a rotor and a heat dissipation plate, wherein the shell is provided with a first flow passage and a second flow passage, the rotor is provided with a cooling oil passage, one end of the cooling oil passage is communicated with the first flow passage, the other end of the cooling oil passage is communicated with the second flow passage, the cooling oil passage and the central axis of the rotor are arranged at an included angle, one end of the heat dissipation plate is communicated with the first flow passage, and the other end of the heat dissipation plate is communicated with the second flow passage; when the rotor rotates around the first direction, oil enters the heat dissipation plate along the cooling oil passage and the first flow passage, is cooled by the heat dissipation plate and then enters the cooling oil passage through the second flow passage to realize cooling of the motor; when the rotor rotates around the second direction, the oil enters the heat dissipation plate along the cooling oil passage and the second flow passage, is cooled by the heat dissipation plate and then enters the cooling oil passage through the first flow passage to cool the motor. By applying the technical scheme of the invention, the technical problems of complex structure, poor reliability and single-steering oil cooling limitation of the oil-cooled motor in the prior art are solved.
Description
Technical Field
The invention relates to the technical field of oil-immersed oil-cooled motors, in particular to a self-circulation bidirectional oil-immersed oil-cooled motor.
Background
The motor is used as a power source of a system actuating mechanism, and the loss of the motor can be divided into stator iron loss, winding copper loss and permanent magnet eddy current loss from the generated part. The loss problem is particularly prominent when the motor works in a high-frequency reciprocating mode, the loss generated by the motor is finally expressed in a temperature rise mode, the temperature rise can cause the increase of winding resistance and the reduction of residual magnetism of the permanent magnet, the efficiency and the output power of the motor are reduced, and if no effective heat dissipation way exists, the reliability of the motor can be seriously reduced, and even the risk of burning is caused. In the future, the motor for the aerospace craft works in a low-air-pressure state space, the air density is low, and the heat dissipation problem of the motor is particularly outstanding. The oil cooling heat dissipation can effectively improve the power density and efficiency of the motor, but the traditional oil cooling motor needs to carry an external cooling system when realizing the oil cooling heat dissipation, and has the problem of single-steering cold oil limitation and great limitation. Meanwhile, the oil-cooled motor commonly used in the prior art usually needs external power to drive oil liquid for circulating cooling, and the mode causes complex structure, low reliability and large energy consumption.
Disclosure of Invention
The invention provides a self-circulation bidirectional oil immersion type oil-cooled motor, which can solve the technical problems that the oil-cooled motor in the prior art is complex in structure, poor in reliability and limited in single-steering oil cooling.
The invention provides a self-circulation bidirectional oil immersion type oil cooling motor, which comprises: the device comprises a shell, a first flow passage and a second flow passage, wherein the shell is provided with the first flow passage and the second flow passage which are arranged in the shell; the rotor is provided with a cooling oil duct, one end of the cooling oil duct is communicated with the first flow channel, the other end of the cooling oil duct is communicated with the second flow channel, and the cooling oil duct and the central axis of the rotor form an included angle; one end of the heat dissipation plate is communicated with the first flow passage, and the other end of the heat dissipation plate is communicated with the second flow passage; when the rotor rotates around the first direction, oil enters the heat dissipation plate along the cooling oil passage and the first flow passage, is cooled by the heat dissipation plate and then enters the cooling oil passage through the second flow passage to cool the motor; when the rotor rotates around the second direction, the oil enters the heat dissipation plate along the cooling oil passage and the second flow passage, is cooled by the heat dissipation plate and then enters the cooling oil passage through the first flow passage to cool the motor.
Further, the rotor has a plurality of cooling oil ducts, and the one end of a plurality of cooling oil ducts all communicates with first runner, and the other end of a plurality of cooling oil ducts all communicates with the second runner, and arbitrary cooling oil duct all is the contained angle setting with the central axis of rotor, and a plurality of cooling oil ducts set up around the central axis interval of rotor.
Further, the included angle between any cooling oil passage and the central axis of the rotor is the same.
Further, the plurality of cooling oil passages are arranged at equal angular intervals around the center axis of the rotor.
Further, the structures of the cooling oil passages are the same, any cooling oil passage is a linear structure, and the cooling oil passages are all arranged in the rotor.
Further, the structures of the plurality of cooling oil passages are the same, and any cooling oil passage is of a spiral structure.
Further, any cooling oil passage comprises a first arc-shaped section and a second arc-shaped section, the first arc-shaped section is connected with the second arc-shaped section, and the bending direction of the first arc-shaped section is different from that of the second arc-shaped section.
Further, the heat dissipation plate is integrally formed with the housing.
Further, the heating panel sets up in the outside of casing, and self-loopa two-way immersion oil formula oil-cooled motor still includes first connecting tube and second connecting tube, and first connecting tube and first flow channel intercommunication are passed through to the one end of heating panel, and the other end of heating panel passes through second connecting tube and second flow channel intercommunication.
By applying the technical scheme of the invention, the self-circulation bidirectional oil immersion type oil cooling motor is provided, the cooling oil duct is arranged on the rotor, and the included angle is formed between the cooling oil duct and the central axis of the rotor, so that when the rotor rotates in a first direction, the interaction force between the oil and the cooling oil duct can drive the oil to enter the heat dissipation plate along the cooling oil duct and the first flow passage, and the oil enters the cooling oil duct through the second flow passage after being cooled by the heat dissipation plate so as to realize the cooling of the motor; when the rotor rotates around the second direction, the interaction force between the oil and the cooling oil channels can drive the oil to enter the heat dissipation plate along the cooling oil channels and the second flow channel, and the oil enters the cooling oil channels through the first flow channel after being cooled by the heat dissipation plate so as to cool the motor. The cooling mode provided by the invention can simultaneously realize cooling of the motor shell and the rotor, improve the heat dissipation capacity of the motor and improve the performance of the motor. Meanwhile, the motor can realize self-circulation of oil, so that the long transfer oil pipe, an external cooling system and an oil driving unit can be omitted while oil cooling heat dissipation of the high-voltage high-power motor is realized, and the aim of small size and light weight of the motor is fulfilled. In addition, the cooling oil duct is arranged to form an included angle with the central axis of the rotor, so that the motor can be cooled when the motor rotates in the forward and reverse directions, and the mode has a simple structure and high reliability.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a schematic diagram illustrating an operation principle of a self-circulation bidirectional oil-immersed oil-cooled motor according to an embodiment of the present invention;
FIG. 2 is a schematic structural view illustrating a rotor provided with a linear cooling oil passage according to an exemplary embodiment of the present invention;
FIG. 3 illustrates a schematic structural view of a linear cooling gallery provided in accordance with an exemplary embodiment of the present invention;
fig. 4 shows a schematic structural view of a spiral-type cooling oil passage provided according to an embodiment of the present invention.
Wherein the figures include the following reference numerals:
10. a housing; 10a, a first flow channel; 10b, a second flow channel; 11. an end cap; 20. a rotor; 20a, a cooling oil passage; 30. a heat dissipation plate; 40. a first connecting pipe; 50. a second connecting pipe; 60. and (5) sealing rings.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
As shown in fig. 1, a self-circulation two-way oil-immersed motor according to an embodiment of the present invention includes a housing 10, a rotor 20, and a heat dissipation plate 30, the housing 10 has a first flow passage 10a and a second flow passage 10b, the first flow passage 10a and the second flow passage 10b are disposed in the housing 10, the rotor 20 has a cooling oil passage 20a, one end of the cooling oil passage 20a communicates with the first flow passage 10a, the other end of the cooling oil passage 20a communicates with the second flow passage 10b, the cooling oil passage 20a is disposed at an angle to a central axis of the rotor 20, one end of the heat dissipation plate 30 communicates with the first flow passage 10a, and the other end of the heat dissipation plate 30 communicates with the second flow passage 10 b; when the rotor 20 rotates in the first direction, the oil enters the heat dissipation plate 30 along the cooling oil passage 20a and the first flow passage 10a, is cooled by the heat dissipation plate 30, and then enters the cooling oil passage 20a through the second flow passage 10b to cool the motor; when the rotor 20 rotates in the second direction, the oil enters the heat dissipation plate 30 along the cooling oil passage 20a and the second flow passage 10b, is cooled by the heat dissipation plate 30, and then enters the cooling oil passage 20a through the first flow passage 10a to cool the motor.
In the mode, when the rotor rotates around a first direction, the interaction force between the oil liquid and the cooling oil passage can drive the oil liquid to enter the heat dissipation plate along the cooling oil passage and the first flow passage, and then the oil liquid enters the cooling oil passage through the second flow passage after being cooled by the heat dissipation plate so as to realize the cooling of the motor; when the rotor rotates around the second direction, the interaction force between the oil and the cooling oil channels can drive the oil to enter the heat dissipation plate along the cooling oil channels and the second flow channel, and the oil enters the cooling oil channels through the first flow channel after being cooled by the heat dissipation plate so as to cool the motor. The cooling mode provided by the invention can simultaneously realize cooling of the motor shell and the rotor, improve the heat dissipation capacity of the motor and improve the performance of the motor. Meanwhile, the motor can realize self-circulation of oil, so that the long transfer oil pipe, an external cooling system and an oil driving unit can be omitted while oil cooling heat dissipation of the high-voltage high-power motor is realized, and the aim of small size and light weight of the motor is fulfilled. In addition, the cooling oil duct is arranged to form an included angle with the central axis of the rotor, so that the motor can be cooled when the motor rotates in the forward and reverse directions, and the mode has a simple structure and high reliability.
Further, in the present invention, in order to improve the motor cooling efficiency, the rotor 20 may be configured to have a plurality of cooling oil passages 20a, one ends of the plurality of cooling oil passages 20a are all communicated with the first flow passage 10a, the other ends of the plurality of cooling oil passages 20a are all communicated with the second flow passage 10b, any one of the cooling oil passages 20a is arranged at an angle to the central axis of the rotor 20, and the plurality of cooling oil passages 20a are arranged at intervals around the central axis of the rotor 20. In addition, in the present invention, in order to ensure that the stresses applied to the motor when the motor rotates around the first direction and around the second direction are the same, and to smoothly achieve flexible positive and negative rotation oil cooling and heat dissipation of the motor, the included angles between any one of the cooling oil passages 20a and the central axis of the rotor 20 may be set to be the same, and meanwhile, the plurality of cooling oil passages 20a are arranged around the central axis of the rotor 20 at equal angular intervals. The plurality of cooling oil passages are arranged on the motor rotor at equal angular intervals, and the stress of the oil in the cooling oil passages is the same no matter whether the cooling oil enters from the first end or the second end of the motor rotor. In this way, when oil enters from the two ends of the cooling oil duct, the oil is stressed the same in the cooling oil duct, and the rotor is a symmetrical rotor structure.
As an embodiment of the present invention, as shown in fig. 2, three cooling oil passages 20a are provided on the rotor 20, the three cooling oil passages 20a are all disposed in the rotor 20, an included angle between any one of the cooling oil passages 20a and a central axis of the rotor 20 is the same, the three cooling oil passages 20a are disposed around the central axis of the rotor 20 at equal angular intervals, that is, any one of the cooling oil passages 20a rotates 120 ° around the central axis of the rotor 20 to coincide with a position of an adjacent cooling oil passage 20a, such that it can be ensured that cooling oil enters from a first end or a second end of the motor rotor, and forces of the oil in the cooling oil passages are the same.
Further, in the present invention, in consideration of the ease of the machining process, the plurality of cooling oil passages 20a may be configured to have the same structure, any one of the cooling oil passages 20a may have a straight-line structure, and the plurality of cooling oil passages 20a may be provided in the rotor 20. As one embodiment of the present invention, as shown in fig. 3, three cooling oil passages 20a are provided in the rotor 20, each of the three cooling oil passages 20a is provided in the rotor 20, and each of the three cooling oil passages 20a is a straight cooling oil passage 20 a.
In addition, in the present invention, in order to improve the cooling efficiency of the motor rotor, the plurality of cooling oil passages 20a may be configured to have the same structure, and any one of the cooling oil passages 20a may have a spiral structure. As one embodiment of the present invention, as shown in fig. 4, three cooling oil passages 20a are provided on the rotor 20, each of the three cooling oil passages 20a is provided in the rotor 20 or on the outer surface of the rotor, and each of the three cooling oil passages 20a is a spiral-type cooling oil passage 20 a. Each of the cooling gallery 20a includes a first curved section 201 and a second curved section 202, the first curved section 201 and the second curved section 202 are connected, and a bending direction of the first curved section 201 is different from a bending direction of the second curved section 202.
In this configuration, by setting the structure of the cooling oil passage 20a to be a spiral structure, the path through which the oil flows through the rotor can be increased, and further, in the cooling cycle process, the oil with the equal flow rate can absorb more heat, thereby improving the cooling efficiency of the motor rotor.
Further, in the present invention, in order to reduce the complexity of the entire structure, the heat dissipation plate 30 may be configured to be integrally formed with the case 10. The heat dissipation plate 30 is integrally provided with the housing, which can greatly reduce the size of the motor.
As another embodiment of the present invention, as shown in fig. 1, the heat dissipation plate 30 may be disposed outside the housing 10, and the self-circulation two-way oil-immersed oil-cooled motor further includes a first connection pipe 40 and a second connection pipe 50, wherein one end of the heat dissipation plate 30 is communicated with the first flow passage 10a through the first connection pipe 40, and the other end of the heat dissipation plate 30 is communicated with the second flow passage 10b through the second connection pipe 50.
For further understanding of the present invention, the self-circulation bidirectional oil-immersed oil-cooled motor provided by the present invention will be described in detail with reference to fig. 1 to 3.
As shown in fig. 1 to 3, according to an embodiment of the present invention, there is provided a self-circulation two-way oil immersion type oil-cooled motor, which includes a housing 10, a rotor 20, a heat dissipation plate 30, a first connection pipe 40, a second connection pipe 50, an end cover 60, and a seal ring 70, wherein the housing 10 has a first flow passage 10a and a second flow passage 10b, the first flow passage 10a and the second flow passage 10b are disposed in the housing 10, the rotor 20 has three cooling oil passages 20a, one ends of the three cooling oil passages 20a are all communicated with the first flow passage 10a, the other ends of the three cooling oil passages 20a are all communicated with the second flow passage 10b, any one of the cooling oil passages 20a is disposed at an angle to a central axis of the rotor 20, the three cooling oil passages 20a are disposed at equal angular intervals around the central axis of the rotor 20, and the three cooling oil passages 20a are all linear cooling oil passages.
The heat dissipation plate 30 is arranged on a controlled system driven by a motor, one end of the heat dissipation plate 30 is communicated with the first flow passage 10a through a first connecting pipeline 40, and the other end of the heat dissipation plate 30 is communicated with the second flow passage 10b through a second connecting pipeline 50; when the rotor 20 rotates around the first direction, the oil enters the heat dissipation plate 30 along the cooling oil passage 20a, the first flow passage 10a and the first connecting pipeline 40, is cooled by the heat dissipation plate 30, and then enters the cooling oil passage 20a through the second connecting pipeline 50 and the second flow passage 10b to cool the motor; when the rotor 20 rotates around the second direction, the oil enters the heat dissipation plate 30 along the cooling oil passage 20a, the second flow passage 10b and the second connection pipe 50, is cooled by the heat dissipation plate 30, and then enters the cooling oil passage 20a through the first connection pipe 40 and the first flow passage 10a to realize cooling of the motor. In this embodiment, the heat dissipation plate 30 may be composed of a plurality of heat dissipation pipes. In the present embodiment, the end cover 11 is provided on the left side of the housing 10, and a plurality of seal rings 60 are provided at the connection portion between the rotor and the housing in order to improve the sealing property in mounting the rotor.
The cooling oil duct 20a can be optimized under different working conditions of the motor, the optimal cooling efficiency of the motor system under the same working condition is taken as a target, four parameters of the flow channel shape, the flow channel diameter, the diameter of the radiating pipe and the length of the radiating pipe are taken as variables, an orthogonal experiment parameter arrangement method is utilized, the influence rule of different variable combinations on the cooling efficiency of the system is sought, and the optimal combination of the oil cooling circulation scheme in the aspects of overall efficiency, radiating capacity and power density is finally found.
In conclusion, the invention provides the self-circulation bidirectional oil immersion type oil cooling motor, which can promote the heat dissipation of the motor without greatly changing the overall structure, improve the working environment of the motor and ensure that the motor obtains better performance in the working process. In the oil-cooled motor, the rotor is provided with the cooling oil passage, and the cooling oil passage and the central axis of the rotor form an included angle; when the rotor rotates around the second direction, the interaction force between the oil and the cooling oil channels can drive the oil to enter the heat dissipation plate along the cooling oil channels and the second flow channel, and the oil enters the cooling oil channels through the first flow channel after being cooled by the heat dissipation plate so as to cool the motor.
Compared with the prior art, the cooling mode provided by the invention can simultaneously cool the motor shell and the rotor, improve the heat dissipation capacity of the motor and improve the performance of the motor. Meanwhile, the motor can realize self-circulation of oil, so that the long transfer oil pipe, an external cooling system and an oil driving unit can be omitted while oil cooling heat dissipation of the high-voltage high-power motor is realized, and the aim of small size and light weight of the motor is fulfilled. In addition, the cooling oil duct is arranged to form an included angle with the central axis of the rotor, so that the motor can be cooled when the motor rotates in the forward and reverse directions, and the mode has a simple structure and high reliability. In addition, the symmetrical rotor structure is adopted, so that the stress of oil in the cooling oil duct is the same when the oil enters from the two end parts of the cooling oil duct, the mode can break through the limitation of single-steering oil cooling of the traditional oil immersion motor, and the flexible positive and negative rotation oil cooling heat dissipation of the motor is realized.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a two-way immersion oil formula oil-cooled motor of self-loopa, its characterized in that, two-way immersion oil formula oil-cooled motor of self-loopa includes:
a housing (10), the housing (10) having a first flow passage (10a) and a second flow passage (10b), the first flow passage (10a) and the second flow passage (10b) being disposed within the housing (10);
the rotor (20) is provided with a cooling oil channel (20a), one end of the cooling oil channel (20a) is communicated with the first flow channel (10a), the other end of the cooling oil channel (20a) is communicated with the second flow channel (10b), and the cooling oil channel (20a) and the central axis of the rotor (20) are arranged in an included angle;
a heat dissipation plate (30), one end of the heat dissipation plate (30) being communicated with the first flow passage (10a), and the other end of the heat dissipation plate (30) being communicated with the second flow passage (10 b);
when the rotor (20) rotates around a first direction, oil enters the heat dissipation plate (30) along the cooling oil passage (20a) and the first flow passage (10a), is cooled by the heat dissipation plate (30), and then enters the cooling oil passage (20a) through the second flow passage (10b) to realize cooling of the motor; when the rotor (20) rotates around the second direction, oil enters the heat dissipation plate (30) along the cooling oil passage (20a) and the second flow passage (10b), is cooled by the heat dissipation plate (30), and then enters the cooling oil passage (20a) through the first flow passage (10a) to cool the motor.
2. The self-circulation two-way oil-immersed motor according to claim 1, wherein the rotor (20) is provided with a plurality of cooling oil passages (20a), one ends of the plurality of cooling oil passages (20a) are communicated with the first flow passage (10a), the other ends of the plurality of cooling oil passages (20a) are communicated with the second flow passage (10b), any one of the cooling oil passages (20a) is arranged at an included angle with a central axis of the rotor (20), and the plurality of cooling oil passages (20a) are arranged at intervals around the central axis of the rotor (20).
3. The self-circulation two-way oil-immersed motor according to claim 2, wherein the included angle between any one of the cooling oil passages (20a) and the central axis of the rotor (20) is the same.
4. The self-circulating two-way oil-immersed motor according to claim 3, wherein the plurality of cooling oil passages (20a) are arranged at equal angular intervals around a central axis of the rotor (20).
5. The self-circulating oil-immersed bidirectional oil-cooled motor according to any one of claims 1 to 4, wherein the plurality of cooling oil passages (20a) are all identical in structure, any one of the cooling oil passages (20a) is a straight-line structure, and the plurality of cooling oil passages (20a) are all provided in the rotor (20).
6. The self-circulation oil-immersed bidirectional oil-cooled motor according to any one of claims 1 to 4, wherein the plurality of cooling oil passages (20a) are all identical in structure, and any one of the cooling oil passages (20a) is a helical structure.
7. The self-circulation oil-immersed bidirectional oil-cooled motor according to claim 6, wherein any one of the cooling oil ducts (20a) comprises a first arc-shaped section (201) and a second arc-shaped section (202), the first arc-shaped section (201) and the second arc-shaped section (202) are connected, and the bending direction of the first arc-shaped section (201) is different from the bending direction of the second arc-shaped section (202).
8. The self-circulating oil-immersed bidirectional oil-cooled motor according to claim 1, wherein the heat dissipation plate (30) is integrally formed with the housing (10).
9. The self-circulation oil-immersed bidirectional motor according to claim 1, wherein the heat dissipation plate (30) is disposed outside the housing (10), the self-circulation oil-immersed bidirectional motor further comprises a first connection pipe (40) and a second connection pipe (50), one end of the heat dissipation plate (30) communicates with the first flow passage (10a) through the first connection pipe (40), and the other end of the heat dissipation plate (30) communicates with the second flow passage (10b) through the second connection pipe (50).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911189729.7A CN110943565A (en) | 2019-11-28 | 2019-11-28 | Self-circulation bidirectional oil-immersed oil-cooled motor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911189729.7A CN110943565A (en) | 2019-11-28 | 2019-11-28 | Self-circulation bidirectional oil-immersed oil-cooled motor |
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|---|---|---|---|---|
| JP2002034189A (en) * | 2000-07-18 | 2002-01-31 | Toyota Industries Corp | Cooling structure of motor |
| CN1913287A (en) * | 2006-08-28 | 2007-02-14 | 中国科学院电工研究所 | Wound internal rotor of double mechanical port electric machine |
| KR20140073005A (en) * | 2012-12-05 | 2014-06-16 | 한국생산기술연구원 | self water cooling motor |
| CN204810065U (en) * | 2015-04-20 | 2015-11-25 | 重庆有法数控设备有限责任公司 | Servo motor of circulation cooling |
| CN107565759A (en) * | 2017-09-15 | 2018-01-09 | 哈尔滨理工大学 | A kind of motor of novel rotor radiating |
| CN109327112A (en) * | 2018-10-26 | 2019-02-12 | 宁波万骏电机有限公司 | One kind is axially through circulation cooling motor |
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2019
- 2019-11-28 CN CN201911189729.7A patent/CN110943565A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002034189A (en) * | 2000-07-18 | 2002-01-31 | Toyota Industries Corp | Cooling structure of motor |
| CN1913287A (en) * | 2006-08-28 | 2007-02-14 | 中国科学院电工研究所 | Wound internal rotor of double mechanical port electric machine |
| KR20140073005A (en) * | 2012-12-05 | 2014-06-16 | 한국생산기술연구원 | self water cooling motor |
| CN204810065U (en) * | 2015-04-20 | 2015-11-25 | 重庆有法数控设备有限责任公司 | Servo motor of circulation cooling |
| CN107565759A (en) * | 2017-09-15 | 2018-01-09 | 哈尔滨理工大学 | A kind of motor of novel rotor radiating |
| CN109327112A (en) * | 2018-10-26 | 2019-02-12 | 宁波万骏电机有限公司 | One kind is axially through circulation cooling motor |
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Application publication date: 20200331 |