CN213846388U - Electric machine - Google Patents
Electric machine Download PDFInfo
- Publication number
- CN213846388U CN213846388U CN202022614831.1U CN202022614831U CN213846388U CN 213846388 U CN213846388 U CN 213846388U CN 202022614831 U CN202022614831 U CN 202022614831U CN 213846388 U CN213846388 U CN 213846388U
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- Prior art keywords
- end cover
- layer
- stator winding
- silica gel
- motor
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- 238000004804 winding Methods 0.000 claims abstract description 102
- 239000004744 fabric Substances 0.000 claims abstract description 72
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 53
- 239000000741 silica gel Substances 0.000 claims abstract description 53
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 53
- 229920002379 silicone rubber Polymers 0.000 claims description 15
- 238000001816 cooling Methods 0.000 claims description 12
- 229920001296 polysiloxane Polymers 0.000 claims description 7
- 238000004382 potting Methods 0.000 claims description 7
- 239000004945 silicone rubber Substances 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 127
- 230000017525 heat dissipation Effects 0.000 description 14
- 230000000694 effects Effects 0.000 description 9
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 238000012546 transfer Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000010687 lubricating oil Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 239000000565 sealant Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
The application discloses a motor. The motor comprises a stator winding, a stator core, a machine shell, a rotor, an end cover and a silica gel cloth layer, wherein the end cover is connected with one end of the machine shell, the stator core is fixed in the machine shell, the stator winding is arranged on the stator core, gaps exist between the stator winding and the machine shell and between the stator winding and the end cover, and the silica gel cloth layer is filled in the gaps between the stator winding and the end cover. In the motor, the silica gel cloth layer forms a good heat conduction path between the stator winding and the motor end cover, so that the temperature of the stator winding in the working process of the motor can be reduced, and the normal work of the motor is ensured.
Description
Technical Field
The application relates to the technical field of motors, in particular to a motor.
Background
With the competition acceleration of new energy driving motors, the power density of the motors is continuously improved, and the volume is continuously reduced. This places more stringent requirements on the motor cooling structure.
At present, the mainstream motor heat dissipation modes are mainly water cooling and oil cooling. Compared with an oil cooling heat dissipation mode, the water cooling heat dissipation effect is slightly poor, but an oil pump does not need to be additionally arranged for the motor in the water cooling heat dissipation mode, so that the reliability is good, the cost is low, and the design difficulty is small. Therefore, water cooling is still a more widely used heat dissipation method. For a water-cooled motor, the heat transfer path of the motor is as follows: winding → stator core → casing → cooling liquid. The temperature of the windings is therefore highest compared to the other components of the machine. In order to ensure the normal operation of the motor, the temperature of the winding is required to be ensured not to exceed the tolerance temperature of the winding material.
In order to reduce the temperature of the winding during the operation of the motor, the industry generally conducts the heat of the winding to the motor shell in a mode of potting or adding lubricating oil. The potting mode is that the gap between the winding and the machine shell is filled with potting adhesive, and the potting adhesive is solidified to serve as a solid heat transfer path between the winding and the machine shell of the motor. The mode of adding lubricating oil is to add certain lubricating oil in the cavity of the motor, and the heat is transferred to the motor shell through the flowing of the lubricating oil. However, the above approaches only allow for the transfer of winding heat to the motor housing, and do not allow for a heat transfer path for the heat from the windings to the motor end cap.
SUMMERY OF THE UTILITY MODEL
In view of this, the present application provides an improved electric machine in which the heat of the windings is better conducted to the end caps.
Specifically, the method comprises the following technical scheme:
the application provides a motor, which comprises a stator winding, a stator core, a machine shell, a rotor, an end cover and a silica gel cloth layer,
the end cover is connected with one end of the casing, the stator core is fixed in the casing, the stator winding is installed on the stator core, gaps exist between the stator winding and the casing and between the stator winding and the end cover respectively, and the silica gel cloth layer is filled in the gaps between the stator winding and the end cover.
Optionally, the silica gel cloth layer includes a contact layer, a main body layer and an adjusting layer, one side of the contact layer is attached to the stator winding, the other side of the contact layer is attached to the main body layer, a gap exists between one side of the main body layer, which is away from the contact layer, and the end covers, the adjusting layer is filled between the main body layer and the end covers, and the resistivity of the contact layer is higher than that of the main body layer and the adjusting layer.
Optionally, a circular groove is formed in one side, close to the stator winding, of the end cover and used for accommodating the silica gel cloth layer, the circle center of the circular groove is located on the axis of the motor end cover, the main body of the silica gel cloth layer is a circular ring with the diameter matched with the size of the circular groove, and the orthographic projection of the stator winding on the end cover is located in the circular groove.
Optionally, the silica gel cloth layer is fixed in the circular groove through a heat conducting structural adhesive.
Optionally, one side of the silica gel cloth layer attached to the stator winding protrudes relative to the groove wall of the circular groove.
Optionally, a fixed groove is further disposed on one side of the end cover close to the winding, a minimum distance between the fixed groove and an axis of the end cover is greater than or equal to a radius of an outer ring of the circular groove,
the silica gel cloth layer also comprises a fixed end which is protruded outwards in the radial direction of the circular ring-shaped main body, the fixed end is matched with the fixed groove in size and is accommodated in the fixed groove,
the motor further comprises a fixing bolt, a through hole is formed in the fixing groove, the fixing bolt penetrates through the through hole in the fixing groove, and the end cover and the fixed end of the silicon adhesive tape are fixedly connected with the machine shell.
Optionally, the end cap has a plurality of through holes in a circular ring region outside the circular ring groove,
the motor further comprises connecting bolts, and the connecting bolts are installed in the through holes of the circular ring area so as to connect the end cover and the shell.
Optionally, the end cap further includes a heat dissipating rib and/or a cooling pipeline.
Optionally, the fixing groove is located at a first end of the end cover, and the first end is an end of the end cover far away from the ground in an assembled state.
Optionally, a potting adhesive is filled between the stator winding and the casing.
The technical scheme provided by the embodiment of the application has the beneficial effects that at least:
the embodiment of the application provides a motor, and this motor includes stator winding, stator core, casing, rotor, end cover and silica gel cloth layer, and there is the clearance stator winding respectively with between end cover and the casing, and the silica gel cloth layer is filled between stator winding and the end cover. The silica gel cloth layer has good heat conductivity and insulating property, and an additional heat conduction path is formed between the stator winding and the end cover on the basis of ensuring the insulating property, so that the temperature of the stator winding can be reduced. Meanwhile, the good elasticity of the silica gel cloth layer can also ensure the non-clearance fit with the stator winding and the end cover, and the heat is better conducted.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a motor according to an embodiment of the present application.
FIG. 2 is a schematic cross-sectional view of a silicone rubber layer according to an embodiment of the present disclosure.
Fig. 3 is a schematic structural diagram of an end cover of a motor according to an embodiment of the present application.
The reference numerals in the drawings denote:
1-end cap, 11-circular groove, 12-fixed groove, 13-circular area, 14-circular through hole,
2-a silica gel layer, 21-a tuning layer, 22-a main body layer, 23-a contact layer,
3-stator winding, 4-machine shell and 5-stator iron core.
With the above figures, there are shown specific embodiments of the present application, which will be described in more detail below. These drawings and written description are not intended to limit the scope of the inventive concepts in any manner, but rather to illustrate the inventive concepts to those skilled in the art by reference to specific embodiments.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. 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 application.
Before the embodiments of the present application are described in further detail, the terms of orientation, such as "upper," "lower," and "side," in the embodiments of the present application are used only for clearly describing the structure of the motor of the embodiments of the present application with reference to the orientation shown in fig. 1, and do not have a meaning of limiting the scope of the present application.
Unless defined otherwise, all technical terms used in the examples of the present application have the same meaning as commonly understood by one of ordinary skill in the art.
In order to make the technical solutions and advantages of the present application clearer, the following will describe the embodiments of the present application in further detail with reference to the accompanying drawings.
Fig. 1 illustrates an electric machine provided in an embodiment of the present application. Referring to fig. 1, the motor includes a stator winding 3, a stator core 5, a housing 4, a rotor 6, an end cap 1, and a silicone cloth layer 2. Wherein, end cover 1 is connected with the one end of casing 4, and stator core 5 fixes in casing 4, and stator winding 3 installs on stator core 5, and stator winding 3 has the clearance respectively with casing 4 and end cover 1 between, and the silica gel cloth layer 2 is filled in the clearance between stator winding 3 and end cover 1.
In the motor provided by the embodiment of the application, the silica gel cloth layer is filled between the stator winding and the end cover. The silica gel cloth layer has good elasticity, and can make up the accumulated size error between the stator winding and the end cover. The silica gel cloth layer has good heat-conducting property, and two sides of the silica gel cloth layer are tightly attached to the stator winding and the end cover respectively, so that an effective heat-conducting passage is formed between the stator winding and the end cover. Meanwhile, the silica gel cloth layer also has good insulating property, and the condition of charge accumulation or electric leakage between the stator winding and the end cover can be avoided. The temperature of stator winding is the highest among the motor spare part among the water cooled machine, and the silica gel cloth layer in this application embodiment can help the stator winding heat dissipation to can avoid the temperature of stator winding to surpass the tolerant temperature of its material itself, guarantee the normal stable work of motor.
Fig. 2 is a schematic cross-sectional view illustrating a silicone rubber fabric layer according to an embodiment of the present disclosure. Referring to fig. 2, the silica gel fabric layer includes a contact layer 23, a main body layer 22 and an adjustment layer 21, one side of the contact layer 23 is attached to the stator winding 3, the other side is attached to the main body layer 22, a gap exists between one side of the main body layer 22 away from the contact layer 23 and the end cap 1, the adjustment layer 21 is filled between the main body layer 22 and the end cap 1, and the resistivity of the contact layer 23 is higher than that of the main body layer 22 and the adjustment layer 21.
The size of the gap between the stator winding and the housing may be different for different types of motors. In the embodiment of the present application, the silicon rubber cloth layer includes a contact layer, a main body layer and an adjustment layer. Contact layer one side and stator winding laminating, opposite side and main part layer laminating, there is the clearance between one side that the main part layer deviates from the contact layer and the end cover, packs the adjustment layer between main part layer and end cover to the assurance is to the different motors in clearance between end cover and the stator winding, the effectual heat conduction route that forms end cover and stator winding of homoenergetic.
In implementation, the main body layer and the adjusting layer can be prepared in advance, the gap width between the end cover and the winding in the motor is measured, and the thickness required by the adjusting layer is determined based on the gap width, so that the adjusting layer can be ensured to completely fill the gap between the main body layer and the end cover, and the adjusting layer is ensured to be respectively in effective contact with the main body layer and the end cover so as to form an effective heat conduction communication path between the end cover and the winding.
Meanwhile, in the motor provided by the embodiment of the application, the resistivity of the contact layer attached to the stator winding is higher than that of the main body layer and the adjusting layer, so that charge accumulation or movement between the stator winding and the main body layer can be effectively avoided, and the insulation effect between the stator winding and the end cover is effectively improved.
In summary, in the motor provided in the embodiment of the present application, the gap between the stator winding and the end cap is filled with the silicone cloth layer, and the silicone cloth layer may include a contact layer, a main body layer, and an adjustment layer. One side of the contact layer is attached to the stator winding, and the other side of the contact layer is attached to the main body layer. There is the clearance between the end cover of one side that the main part layer deviates from the contact layer and motor, and the adjustment layer is filled in this clearance to guarantee that the silica gel cloth layer laminates with stator winding and end cover completely respectively, constitute more effective heat conduction route. Meanwhile, the resistivity of the contact layer is higher than that of the main body layer and the adjusting layer, so that the insulating effect between the stator winding and the end cover is improved while the heat conduction effect is ensured.
It should be noted that the structure of a specific silicone cloth layer is only given by way of example in the embodiments of the present application, and does not limit the present application. Those skilled in the art can design the structure of the silicon rubber cloth according to the actual situation, such as installing the silicon rubber cloth layer as a single layer or double layers.
Fig. 3 shows a schematic structural diagram of an end cover of an electric machine according to an embodiment of the present application.
Optionally, referring to fig. 3, a circular groove 11 is formed on one side of the end cover 1 close to the stator winding 3, and is used for accommodating the silicone cloth layer 2, and a circle center of the circular groove 11 is located on an axis of the end cover 1. Accordingly, the main body of the silica gel cloth layer 2 is a circular ring (not shown) with a diameter matching the size of the circular groove 11. With continued reference to fig. 1, the orthographic projection of the stator winding 3 on the motor end cap 1 is located within the annular groove 11.
In the embodiment of the application, one side of the end cover, which is close to the stator winding, is provided with the circular groove, and the orthographic projection of the stator winding on the motor end cover is positioned in the circular groove. This ring shape recess is used for holding the silica gel cloth layer to ring shape recess can produce limiting displacement to the silica gel cloth layer, avoids the silica gel cloth layer to take place the displacement, guarantees stator winding's effective heat dissipation and the normal work of motor.
Optionally, the silicon rubber cloth 2 is fixed in the circular groove 11 by a heat conducting structural adhesive. In the implementation, fix the silica gel cloth layer in ring groove through heat conduction structure glue, can improve the installation stability of silica gel cloth layer in ring groove, avoid the silica gel cloth layer to take place to drop, also can guarantee the effective contact of silica gel cloth layer and stator winding to improve the radiating effect.
Optionally, with continued reference to fig. 1, the side of the silicone rubber cloth layer 2 attached to the stator winding 3 protrudes relative to the wall of the circular groove 11. In the implementation, set up the silica gel cloth layer and protruding for the cell wall of annular groove, can guarantee the effectual contact of silica gel cloth layer and stator winding, avoid having the clearance or the poor condition of laminating between silica gel cloth layer and the stator winding, guarantee stator winding's radiating effect.
Optionally, with continued reference to fig. 3, a fixing groove 12 is further disposed on a side of the end cover 1 close to the stator winding 3, and a minimum distance between the fixing groove 12 and the axis of the end cover 1 is greater than or equal to a radius of an outer ring of the circular groove 11.
The silica gel cloth layer 2 further comprises a fixed end protruding outwards from the circular ring-shaped main body in the radial direction, and the fixed end is matched with the fixed groove 12 in size and is accommodated in the fixed groove 12.
The motor further includes a fixing bolt. The fixing groove 12 has a through hole therein, and the fixing bolt passes through the through hole in the fixing groove 12, thereby fixedly connecting the end cap 1, the fixing end of the silica gel cloth layer 2 and the housing 4.
The motor that this application embodiment provided still is provided with fixed recess on one side that the end cover is close to stator winding, and the minimum distance of this fixed recess and the axle center of end cover is more than or equal to the radius of the outer loop of ring groove. The silica gel cloth layer also comprises a fixed end which protrudes outwards from the annular main body in the radial direction, and the fixed end is matched with the fixed groove in size and is accommodated in the fixed groove. The fixing bolt penetrates through the through hole in the fixing groove to fixedly connect the end cover, the silicon rubber cloth and the machine shell, so that the fixed end of the silicon rubber cloth layer is fixed between the machine shell and the end cover, and the installation stability of the silicon rubber cloth layer between the end cover and the stator winding is further enhanced.
Optionally, with continued reference to fig. 3, the end cap 1 has a plurality of through holes in the annular region 13 outside the annular recess 11. The motor further comprises connecting bolts which are mounted in a plurality of through holes in the annular region 13 to connect the end cap 1 and the housing 4.
In the implementation, a plurality of through holes are preset in the annular region outside the annular groove region on the end cover, and the connecting bolts penetrate through the through holes, so that the stable connection between the end cover and the shell can be ensured, and the normal work of the motor is ensured.
Optionally, the end cover 1 further includes heat dissipation ribs and/or cooling pipes (not shown in the figure). On the basis that the silica gel cloth layer is adopted to form a heat conduction path between the end cover and the stator winding so as to improve the heat dissipation effect of the stator winding, the end cover can be further provided with heat dissipation ribs and/or cooling pipelines so as to reduce the temperature of the end cover, so that a larger temperature difference is formed between the end cover and the stator winding, and the heat dissipation efficiency is improved.
Alternatively, the fixing groove 12 is located at a first end of the end cap 1, which is the end of the end cap 1 that is far away from the ground in the assembled state. The fixing groove is positioned at the upper part of the end cover in the assembling state of the end cover, so that the fixed end of the silicon rubber cloth layer plays a role of pulling the silicon rubber cloth layer, the stretching of the silicon rubber cloth layer is ensured, the silicon rubber cloth layer is smoothly attached to the stator winding and the annular groove, and the heat dissipation effect is improved.
Optionally, a potting adhesive is filled between the stator winding 3 and the housing 4. In the motor, there are gaps between the stator windings and the casing and end caps, respectively. In the embodiment of the application, the gap between the stator winding and the end cover is filled with the silica gel cloth layer to form the heat conduction path between the stator winding and the end cover, and the pouring sealant is filled between the stator winding and the casing to form the heat conduction path between the stator winding and the casing, so that the heat dissipation of the stator winding is further facilitated. Meanwhile, the pouring sealant has stable property, can work for a long time after being filled, has no extra loss, and can improve the NVH performance of the motor.
Optionally, the end cover 1 further has a circular through hole 14 at the center, and the through hole 14 is used for passing through a rotating shaft (not shown in the figure) connected with the rotor 6.
To sum up, the motor that this application embodiment provided has the silica gel cloth layer between stator winding and end cover, is equipped with the ring shape recess that is exclusively used in and holds the silica gel cloth layer on the end cover and is used for the fixed recess on fixed silica gel cloth layer, guarantees the stable connection of silica gel cloth layer and end cover. The silica gel cloth layer is divided into three layers. The contact layer is in contact with the stator winding, and the resistivity is higher, so that the transfer of charges is blocked while the heat conduction effect is ensured, and the insulativity between the end cover and the stator winding is ensured. The main body layer one side is connected with the contact layer, there is the clearance between opposite side and the end cover, and the adjustment layer is filled in the clearance between main body layer and end cover, has guaranteed that the silica gel cloth layer closely laminates with between end cover and the stator winding respectively to improve the radiating efficiency. In addition, a heat dissipation rib or a cooling pipeline can be further arranged on the end cover, and pouring sealant is filled between the stator winding and the shell to further help the stator winding to dissipate heat, so that stable work of the motor is guaranteed, and the service life of the motor is prolonged.
In this application, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The term "plurality" means two or more unless expressly limited otherwise.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the present application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (10)
1. A motor is characterized in that the motor comprises a stator winding (3), a stator core (5), a shell (4), a rotor (6), an end cover (1) and a silica gel cloth layer (2),
wherein, end cover (1) with the one end of casing (4) is connected, stator core (5) are fixed in casing (4), stator winding (3) are installed on stator core (5), stator winding (3) respectively with casing (4) with there is the clearance between end cover (1), silica gel cloth layer (2) are filled stator winding (3) with in the clearance between end cover (1).
2. The machine according to claim 1, characterized in that the silicone cloth layer (2) comprises a contact layer (23), a body layer (22) and an adjustment layer (21), the contact layer (23) is attached to the stator winding (3) on one side and the body layer (22) on the other side, a gap exists between the end cover (1) and the side of the body layer (22) facing away from the contact layer (23), the adjustment layer (21) is filled between the body layer (22) and the end cover (1), and the resistivity of the contact layer (23) is higher than the body layer (22) and the adjustment layer (21).
3. The motor according to claim 1, characterized in that a circular groove (11) is provided on one side of the end cover (1) close to the stator winding (3) for accommodating the silica gel cloth layer (2), the center of the circular groove (11) is located on the axis of the end cover (1), the main body of the silica gel cloth layer (2) is a circular ring with a diameter matching the size of the circular groove (11), and the orthographic projection of the stator winding (3) on the end cover (1) is located in the circular groove (11).
4. A machine as claimed in claim 3, characterized in that said layer (2) of silicone fabric is fixed in said annular groove (11) by means of a heat-conducting structural glue.
5. A machine as claimed in claim 3, characterized in that the side of the layer (2) of silicone rubber which is attached to the stator winding (3) protrudes with respect to the wall of the annular groove (11).
6. The motor according to claim 3, characterized in that a fixing groove (12) is further arranged on one side of the end cover (1) close to the stator winding (3), the minimum distance between the fixing groove (12) and the axis of the end cover (1) is larger than or equal to the radius of the outer ring of the circular groove (11),
the silica gel cloth layer (2) also comprises a fixed end which protrudes outwards from the annular main body in the radial direction, the size of the fixed end is matched with that of the fixed groove (12) and the fixed end is accommodated in the fixed groove (12),
the motor still includes fixing bolt, the through-hole has in fixed slot (12), fixing bolt passes through-hole in fixed slot (12), will end cover (1) and the stiff end of silica gel cloth layer (2) with casing (4) fixed connection.
7. An electric machine according to claim 3, characterized in that the annular region (13) of the end cap (1) outside the annular groove (11) has a plurality of through-holes,
the motor further comprises connecting bolts, and the connecting bolts are arranged in the through holes of the circular ring area (13) so as to connect the end cover (1) and the shell (4).
8. The machine according to claim 1, characterized in that the end cover (1) further comprises heat dissipating ribs and/or cooling pipes thereon.
9. An electric machine according to claim 6, characterized in that the fixing groove (12) is located at a first end of the end cover (1), which first end is the end of the end cover (1) that is remote from the ground in the assembled state.
10. The machine according to claim 1, characterized in that a potting compound is filled between the stator winding (3) and the machine housing (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022614831.1U CN213846388U (en) | 2020-11-11 | 2020-11-11 | Electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022614831.1U CN213846388U (en) | 2020-11-11 | 2020-11-11 | Electric machine |
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| Publication Number | Publication Date |
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| CN213846388U true CN213846388U (en) | 2021-07-30 |
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| CN202022614831.1U Active CN213846388U (en) | 2020-11-11 | 2020-11-11 | Electric machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117477863A (en) * | 2023-11-08 | 2024-01-30 | 安徽致钲电驱动技术有限公司 | Efficient motor heat radiation structure |
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2020
- 2020-11-11 CN CN202022614831.1U patent/CN213846388U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117477863A (en) * | 2023-11-08 | 2024-01-30 | 安徽致钲电驱动技术有限公司 | Efficient motor heat radiation structure |
| CN117477863B (en) * | 2023-11-08 | 2024-05-14 | 安徽致钲电驱动技术有限公司 | Efficient motor heat radiation structure |
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| GR01 | Patent grant |