CN209608432U - A kind of motor can be reduced encapsulating winding body heat stress - Google Patents
A kind of motor can be reduced encapsulating winding body heat stress Download PDFInfo
- Publication number
- CN209608432U CN209608432U CN201822077675.2U CN201822077675U CN209608432U CN 209608432 U CN209608432 U CN 209608432U CN 201822077675 U CN201822077675 U CN 201822077675U CN 209608432 U CN209608432 U CN 209608432U
- Authority
- CN
- China
- Prior art keywords
- stator
- encapsulating body
- encapsulating
- motor
- stator core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Motor Or Generator Cooling System (AREA)
Abstract
A kind of motor can be reduced encapsulating winding body heat stress；It is characterized by comprising rotor, stator core, stator winding and encapsulating bodies；The stator winding is arranged around stator core；The rotor is arranged in the stator core along axial direction, and is rotatably assorted with stator core；The encapsulating body is equipped with two groups, respectively the both ends of stator winding described in insulated enclosure；At least one decompression conduit is offered on the encapsulating body, which is located at the surface or/and inside of encapsulating body, provides the space or gap for stress elimination with this.The utility model can be on the basis of not changing existing electric machine structure, material substantially, effectively solve the problems, such as that encapsulating body generates cracking because interior outside temperature distributing disproportionation, internal stress are excessive etc., falls off, motor performance the decline even risk of damage are avoided, to improve the reliability of motor.
Description
Technical field
The utility model relates to technical field of motors, and in particular to a kind of motor that can be reduced encapsulating winding body heat stress.
Background technique
In the prior art, the stator winding customary insulation material of motor is potted, and is avoided with this due to stator winding
The problem of carefully (generally enameled wire), the number of turns are more, and the vibration generated in motor operation may be damaged stator winding, simultaneously also
Can avoid current density it is big when the excessively high problem of stator temperature.
As shown in Figure 1, 2, its structure of the motor stator of the prior art includes: shell 11, rotor 12, stator core 13, ring
Encapsulating body 15 around 14 both ends of stator winding 14 and insulated enclosure stator winding of stator core.This existing motor is fixed
The encapsulating structure of son is directly to pour into insulating materials, and the stator winding 14 of motor is potted in encapsulating body 15.Wherein, encapsulating body
15 effect includes: one, has buffer action, can be separated stator winding 14 with external insulation, moisture-proof anticorrosive, and protection motor is fixed
Son；Two, there is conductive force (thermal coefficient is big), the heat derives that can generate stator winding 14 avoid magnet steel high temperature from demagnetizing；
Three, have fixed function, the mechanical strength of encapsulating body 15 is big, by by 14 encapsulating of stator winding wherein, can be to stator winding 14
It is supported fixation, vibration damage stator winding 14 when preventing motor operation.
Above-mentioned existing 15 structure of encapsulating body has the following problems: one, once filling since encapsulating body 15 is generally monoblock type
Envelope is complete cylindrical structure, therefore there are certain internal stress after solidifying；Two, the temperature resistant capability of 15 material of encapsulating body is poor,
After motor long-play, stator winding temperature highest, due to being situated between close to electric machine casing 11 and low temperature outside encapsulating body 15
The operative temperature of matter is relatively low, therefore 15 entirety of encapsulating body shows the case where temperature gradually reduces from inside to outside, that is, in electricity
Temperature distribution is non-uniform in encapsulating body after machine long-play.Above-mentioned two problems directly result in encapsulating body 15 and are easy to appear out
It splits, peel off, decline so as to cause motor performance and even damage motor.Although cracking can be improved by thickening to encapsulating body 15
The problem of, but will lead to the rising of cost, the thickness of another aspect encapsulating body 15 is also vulnerable to the limitation of motor size.
Therefore, above-mentioned the shortcomings of the prior art how is solved, is become as the class to be researched and solved of the utility model
Topic.
Summary of the invention
The purpose of the utility model is to provide a kind of motors that can be reduced encapsulating winding body heat stress.
In order to achieve the above objectives, the technical solution adopted in the utility model is:
A kind of motor can be reduced encapsulating winding body heat stress；Including rotor and stator, the stator include stator core,
Stator winding and encapsulating body；
The stator winding is arranged around stator core；The rotor is arranged in the stator core along axial direction, and with
Stator core is rotatably assorted；The encapsulating body is equipped with two groups, respectively the both ends of stator winding described in insulated enclosure；
Wherein, offer at least one decompression conduit on the encapsulating body, the decompression conduit be located at encapsulating body surface or/
And inside, the space or gap for stress elimination are provided with this.
Related content in above-mentioned technical proposal is explained as follows:
1. in above scheme, the encapsulating body is divided at least two mutual disjunct main bodys by the decompression conduit.
Such as, the decompression conduit can be opened up along the radial and axial perforation of encapsulating body simultaneously, make encapsulating body in circumferencial direction
On be divided into multiple relatively independent main bodys；It designs whereby, each main body forms independent potting area, when motor long-play
Afterwards, stator winding temperature rises, encapsulating body expanded by heating, on the one hand there is enough expansion spaces, reduces stress and concentrates, another party
Face can increase encapsulating body surface area, accelerate encapsulating body internal heat dissipating；
Alternatively, the decompression conduit can make encapsulating body radially in circular ring shape and along encapsulating body axially through opening up
It is divided into inside and outside relatively independent multiple main bodys.After motor long-play, the heat that stator winding generates can pass through inside
Encapsulating main body radiates to cooling medium, and is outwardly radiated by exterior measuring encapsulating main body, while temperature distributing disproportionation being avoided to cause
The end stress of encapsulating body is concentrated.On the other hand, (temperature highest), expansion axially and radially when stator winding expanded by heating
Amount is respectively less than encapsulating body material, and encapsulating body is divided into two parts, on the one hand provides the expansion space of encapsulating body material, on the other hand
Stator winding can be reduced to the stress impact of encapsulating body material.
2. in above scheme, the encapsulating body is integral structure.
Such as, the decompression conduit can form axial strip conduit along encapsulating body axially through opening up in encapsulating body；
The width or cross-sectional shape for depressurizing conduit do not limit, but when the quantity for depressurizing conduit is one, cross section cannot be to close
The shape of ring, when quantity is greater than one, each cross section for depressurizing conduit, which cannot be connected to, to be integral.When stator winding temperature liter
Gao Shi, encapsulating body material can be expanded into slot, prevent from causing stress concentration that encapsulating body is made to crack because space is inadequate；
Alternatively, it is described decompression conduit can along encapsulating body axial direction it is non-through open up, depressurize width, the cross-sectional shape of conduit
It is not limited with quantity；For example, the decompression conduit can be opened up in circular ring shape and along the axial direction of encapsulating body is non-through, make encapsulating body
End face on formed indent annulus conduit.After motor long-play, stator winding is expanded because temperature increases, encapsulating body
The thermal expansion coefficient of material is larger, and the internal stress of stator winding is also suffered from the basis of thermally stressed, and end is slotted not
It only can reduce stress concentration, also increase encapsulating body external surface area, more facilitate to radiate.
3. in above scheme, the decompression conduit is pass-through design, so that the end of the stator core or/and described fixed
Sub- winding is contacted with extraneous medium.Alternatively, the decompression conduit is non-through design, the end of the stator core and described fixed
Sub- winding does not contact with extraneous medium.
The medium includes liquid or gaseous refrigerant, air, cooling oil etc..
4. in above scheme, the encapsulating body is made up of heat-conducting resin material, preferred epoxy, therefore has machinery
The advantages that intensity is high, thermal expansion coefficient is small, thermal coefficient is big, chemical property is stable, manufacture craft is simple.In addition to epoxy resin
Outside, other materials with the same function also can be used.
5. in above scheme, the motor further includes shell, coolant flow channel is offered on the inner wall of shell, the coolant flow channel
For continuous helical slot, spiral surrounding fits in the outer peripheral surface of the stator core and the outer peripheral surface of the encapsulating body；It can accelerate
Stator winding heat dissipation, helps to prevent that motor temperature is high, encapsulating body swell increment is excessive and encapsulating body cracking phenomena is caused to generate.
6. further including a heat conducting sleeve (for metal material, such as aluminium set) in above scheme, which is sheathed on described
The outer peripheral surface of the outer peripheral surface of stator core and the encapsulating body, and with the coolant flow channel palette, make heat conducting sleeve and
The cooling loop of sealing is constituted between electric machine casing.It designs whereby, in motor work, the heat of stator core and encapsulating body is obtained
To conduct by heat conducting sleeve, and heat is taken away by the cooling medium in coolant flow channel；On the other hand, heat conducting sleeve can be realized
Sealing to coolant flow channel, and then improve cooling efficiency.
7. in above scheme, the decompression conduit is not the groove-like structure for being only literal upper expression, refer to such as: slot,
The structure of the equivalent effects such as hole, gap.
In order to achieve the above objectives, the technical solution adopted in the utility model is:
A kind of motor can be reduced encapsulating winding body heat stress；Including rotor and stator, the stator include stator core,
Stator winding and encapsulating body；
The stator winding is arranged around stator core；The rotor is arranged in the stator core along axial direction, and with
Stator core is rotatably assorted；The encapsulating body is equipped with two groups, respectively the both ends of stator winding described in insulated enclosure, two ends
The outer end in portion is exposed to the encapsulating body.
Related content in above-mentioned technical proposal is explained as follows:
1. in above scheme, both stator winding heat can be shed into (thermal conductivity is good) to outside by encapsulating body material,
It can avoid the temperature after motor long-play again to increase, stator winding expansion generates stress impact to encapsulating body, to reach
It prevents encapsulating body from cracking, improves the purpose of motor reliability.
2. in above scheme, the encapsulating body is made up of heat-conducting resin material, preferred epoxy, therefore has machinery
The advantages that intensity is high, thermal expansion coefficient is small, thermal coefficient is big, chemical property is stable, manufacture craft is simple.In addition to epoxy resin
Outside, other materials with the same function also can be used.
3. in above scheme, the motor further includes shell, coolant flow channel is offered on the inner wall of shell, the coolant flow channel
For continuous helical slot, spiral surrounding fits in the outer peripheral surface of the stator core and the outer peripheral surface of the encapsulating body；It can accelerate
Stator winding heat dissipation, helps to prevent that motor temperature is high, encapsulating body swell increment is excessive and encapsulating body cracking phenomena is caused to generate.
4. further including a heat conducting sleeve (can be metal material, such as aluminium set), which is sheathed on institute in above scheme
State the outer peripheral surface of stator core and the outer peripheral surface of the encapsulating body, and with the coolant flow channel palette, make heat conducting sleeve
The cooling loop of sealing is constituted between electric machine casing.It designs whereby, in motor work, the heat of stator core and encapsulating body
It is able to conduct by heat conducting sleeve, and heat is taken away by the cooling medium in coolant flow channel；On the other hand, heat conducting sleeve can be real
Now to the sealing of coolant flow channel, and then improve cooling efficiency.
5. in above scheme, the decompression conduit is not the groove-like structure for being only literal upper expression, refer to such as: slot,
The structure of the equivalent effects such as hole, gap.
The working principle and advantage of the utility model are as follows:
Compared to existing technologies, the utility model can have on the basis of not changing existing electric machine structure, material substantially
Effect solves the problems, such as that encapsulating body generates cracking because interior outside temperature distributing disproportionation, internal stress are excessive etc., falls off, and avoids electricity
The decline of machine the performance even risk of damage, to improve the reliability of motor.
Detailed description of the invention
Attached drawing 1 is the longitudinal profile structure schematic of existing motor stator；
Attached drawing 2 is the end view of existing motor stator；
Attached drawing 3 is the longitudinal profile structure schematic of the utility model embodiment；
Attached drawing 4 is the schematic diagram one (end face) that the utility model embodiment depressurizes conduit；
Attached drawing 5 is the enlarged drawing in Fig. 4 at A；
Attached drawing 6 is the schematic diagram two (section) that the utility model embodiment depressurizes conduit；
Attached drawing 7 is the schematic diagram two (end face) that the utility model embodiment depressurizes conduit；
Attached drawing 8 is the schematic diagram three (section) that the utility model embodiment depressurizes conduit；
Attached drawing 9 is the schematic diagram three (end face) that the utility model embodiment depressurizes conduit；
Attached drawing 10 is another variation schematic diagram that conduit is depressurized in Fig. 9；
Attached drawing 11 is the schematic diagram four (end face) that the utility model embodiment depressurizes conduit；
Attached drawing 12 is the schematic diagram five (end face) that the utility model embodiment depressurizes conduit；
Attached drawing 13 is the schematic diagram six (end face) that the utility model embodiment depressurizes conduit；
Attached drawing 14 is the schematic diagram seven (end face) that the utility model embodiment depressurizes conduit；
Attached drawing 15 is the schematic diagram eight (end face) that the utility model embodiment depressurizes conduit；
Attached drawing 16 is the schematic diagram nine (end face) that the utility model embodiment depressurizes conduit；
Attached drawing 17 is the longitudinal profile structure schematic of another embodiment of the utility model；
Attached drawing 18 is the end view of Figure 17.
In the figures above: 1. rotors；2. stator core；3. stator winding；4. encapsulating body；5. electric machine casing；6. relief groove
Road；7. main body；8. coolant flow channel；9. heat conducting sleeve；11. electric machine casing；12. rotor；13. stator core；14. stator winding；
15. encapsulating body.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and embodiments:
Embodiment: referring to shown in attached drawing 3 ~ 18, a kind of motor can be reduced encapsulating winding body heat stress；Including 1 He of rotor
Stator, the stator include stator core 2, stator winding 3 and encapsulating body 4；
The stator core 2 is positioned in electric machine casing 5, and the stator winding 3 is arranged around stator core 2；Described turn
Son 1 is arranged in the stator core 2 along axial direction, and is rotatably assorted with stator core 2；The encapsulating body 4 is equipped with two groups, respectively
The both ends of stator winding 3 described in insulated enclosure；
Wherein, at least one decompression conduit 6 is offered on the encapsulating body 4, which is located at the table of encapsulating body 4
Face or/and inside provide the space or gap for stress elimination with this.
The encapsulating body 4 can be divided at least two mutual disjunct main bodys 7 by the decompression conduit 6.Illustrate as
Under:
As shown in Figure 4,5, the decompression conduit 6 can be opened up along the radial and axial perforation of encapsulating body 4 simultaneously, make encapsulating body
4 are divided into two relatively independent main bodys 7 in a circumferential direction；It designing whereby, each main body 7 forms independent potting area, when
After motor long-play, 3 temperature of stator winding rises, on the one hand 4 expanded by heating of encapsulating body has enough expansion spaces, subtracts
Few stress is concentrated, and 4 surface area of encapsulating body on the other hand can be increased, and accelerates 4 internal heat dissipating of encapsulating body；
Alternatively, as shown in Figure 6,7, the decompression conduit 6 can make in circular ring shape and along encapsulating body 4 axially through opening up
Encapsulating body 4 is divided into inside and outside two relatively independent main bodys 7 radially.After motor long-play, stator winding 3 is produced
Raw heat can be radiated by inside encapsulating main body 7 to cooling medium, and outwardly be radiated by exterior measuring encapsulating main body 7, simultaneously
The end stress for avoiding temperature distributing disproportionation from leading to encapsulating body 4 is concentrated.On the other hand, (the temperature when 3 expanded by heating of stator winding
Highest), swell increment axially and radially is respectively less than 4 material of encapsulating body, and encapsulating body 4 is divided for two parts, on the one hand offer encapsulating
On the other hand the expansion space of 4 material of body can reduce stator winding 3 to the stress impact of 4 material of encapsulating body.
Wherein, as shown in Fig. 8 ~ 16, the encapsulating body 4 can be integral structure.It is described as follows:
Such as, the decompression conduit 6 can form axial strip grooves along encapsulating body 4 axially through opening up in encapsulating body 4
Road；The width or cross-sectional shape for depressurizing conduit 6 do not limit, but when the quantity for depressurizing conduit 6 is one, cross section cannot
For the shape of closed loop, when quantity is greater than one, each cross section for depressurizing conduit 6, which cannot be connected to, to be integral.When stator winding 3
When temperature increases, 4 material of encapsulating body can be expanded into slot, prevent from causing stress concentration to open encapsulating body 4 because space is inadequate
It splits；
Alternatively, the decompression conduit 6 can along encapsulating body 4 axial direction it is non-through open up, depressurize the width of conduit 6, cross section
Shape and quantity do not limit；For example, the decompression conduit 6 can be opened up in circular ring shape and along the axial direction of encapsulating body 4 is non-through, make
The annulus conduit of indent is formed on the end face of encapsulating body 4 (see Figure 11).After motor long-play, stator winding 3 is because of temperature
It increases and expands, the thermal expansion coefficient of 4 material of encapsulating body is larger, and stator winding 3 is also suffered from the basis of thermally stressed
Internal stress, end fluting not only can reduce stress concentration, also increase 4 external surface area of encapsulating body, more facilitate to radiate.
Wherein, as shown in Fig. 3 ~ 10,12 ~ 16, the decompression conduit 6 can be pass-through design, so that the stator core 2
End or/and the stator winding 3 are contacted with extraneous medium.Alternatively, the decompression conduit 6 can pass through as shown in Figure 11 ~ 16 to be non-
Logical design, the end of the stator core 2 and the stator winding 3 do not contact with extraneous medium.
The medium includes liquid or gaseous refrigerant, air, cooling oil etc..
The decompression conduit 6 of the utility model is not the groove-like structure for being only literal upper expression, is referred to such as: slot,
The structure of the equivalent effects such as hole, gap.
Wherein, the encapsulating body 4 is made up of heat-conducting resin material, preferred epoxy, thus have high mechanical strength,
The advantages that thermal expansion coefficient is small, thermal coefficient is big, chemical property is stable, manufacture craft is simple.In addition to epoxy resin and other than, may be used also
Using other materials with the same function.
In addition, offering coolant flow channel 8 on the inner wall of the electric machine casing 5, which is continuous helical slot, spiral shell
Outer peripheral surface of the rotation around the outer peripheral surface and the encapsulating body 4 for fitting in the stator core 2；It can accelerate the heat dissipation of stator winding 3,
Help to prevent that motor temperature is high, 4 swell increment of encapsulating body is excessive and 4 cracking phenomena of encapsulating body is caused to generate.
Further include a heat conducting sleeve 9(be metal material, such as aluminium set), which is sheathed on the stator core 2
The outer peripheral surface of outer peripheral surface and the encapsulating body 4, and with 8 palette of coolant flow channel, make heat conducting sleeve 9 and electric machine casing
The cooling loop of sealing is constituted between 5.It designs whereby, in motor work, the heat of stator core 2 and encapsulating body 4 is led to
The conduction of heat conducting sleeve 9 is crossed, and heat is taken away by the cooling medium in coolant flow channel 8；On the other hand, heat conducting sleeve 9 can be realized
Sealing to coolant flow channel 8, and then improve cooling efficiency.
As shown in Figure 17,18, be another embodiment of the utility model, with previous embodiment the difference is that: it is described
The both ends outer end of stator winding 3 is exposed to the encapsulating body 4.
It designs, 3 heat of stator winding can not only be shed (thermal conductivity is good) by 4 material of encapsulating body to outside whereby, but also
It can avoid the temperature after motor long-play to increase, the expansion of stator winding 3 generates stress impact to encapsulating body 4, to reach
It prevents encapsulating body 4 from cracking, improves the purpose of motor reliability.
Compared to existing technologies, the utility model can have on the basis of not changing existing electric machine structure, material substantially
Effect solves the problems, such as that encapsulating body generates cracking because interior outside temperature distributing disproportionation, internal stress are excessive etc., falls off, and avoids electricity
The decline of machine the performance even risk of damage, to improve the reliability of motor.
The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and implement accordingly, do not limit the protection scope of the present invention.
All equivalent change or modifications according to made by the spirit of the present invention essence, should all cover the protection scope of the utility model it
It is interior.
Claims (11)
1. a kind of motor that can be reduced encapsulating winding body heat stress, including rotor and stator, it is characterised in that:
The stator includes stator core, stator winding and encapsulating body；
The stator winding is arranged around stator core；The rotor is arranged in the stator core along axial direction, and and stator
Iron core is rotatably assorted；The encapsulating body is equipped with two groups, respectively the both ends of stator winding described in insulated enclosure；
Wherein, at least one decompression conduit is offered on the encapsulating body, which is located at the surface of encapsulating body or/and interior
Portion provides the space or gap for stress elimination with this.
2. motor according to claim 1, it is characterised in that: the encapsulating body is divided at least two by the decompression conduit
A mutually disjunct main body.
3. motor according to claim 1, it is characterised in that: the encapsulating body is integral structure.
4. motor according to claim 1, it is characterised in that: the decompression conduit is pass-through design, so that the stator
The end of iron core or/and the stator winding are contacted with extraneous medium.
5. motor according to claim 1, it is characterised in that: the decompression conduit is non-through design, the stator iron
The end of core and the stator winding do not contact with extraneous medium.
6. motor according to claim 1, it is characterised in that: the encapsulating body is made up of heat-conducting resin material.
7. motor according to claim 1, it is characterised in that: the motor further includes shell, is opened up on the inner wall of shell
There is coolant flow channel, which is continuous helical slot, and spiral surrounding fits in the outer peripheral surface of the stator core.
8. a kind of motor that can be reduced encapsulating winding body heat stress, including rotor and stator, it is characterised in that:
The stator includes stator core, stator winding and encapsulating body；
The stator winding is arranged around stator core；The rotor is arranged in the stator core along axial direction, and and stator
Iron core is rotatably assorted；The encapsulating body is equipped with two groups, respectively the both ends of stator winding described in insulated enclosure, two ends
Outer end is exposed to the encapsulating body.
9. motor according to claim 8, it is characterised in that: the motor further includes shell, is opened up on the inner wall of shell
There is coolant flow channel, which is continuous helical slot, and spiral surrounding fits in the outer peripheral surface of the stator core.
10. motor according to claim 9, it is characterised in that: the coolant flow channel spiral surrounding fits in the stator
The outer peripheral surface of the outer peripheral surface of iron core and the encapsulating body.
11. motor according to claim 10, it is characterised in that: further include a heat conducting sleeve, which is sheathed on
The outer peripheral surface of the outer peripheral surface of the stator core and the encapsulating body, and with the coolant flow channel palette, make heat conducting sleeve
The cooling loop of sealing is constituted between cylinder and electric machine casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822077675.2U CN209608432U (en) | 2018-12-11 | 2018-12-11 | A kind of motor can be reduced encapsulating winding body heat stress |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822077675.2U CN209608432U (en) | 2018-12-11 | 2018-12-11 | A kind of motor can be reduced encapsulating winding body heat stress |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209608432U true CN209608432U (en) | 2019-11-08 |
Family
ID=68395737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822077675.2U Active CN209608432U (en) | 2018-12-11 | 2018-12-11 | A kind of motor can be reduced encapsulating winding body heat stress |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209608432U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111509890A (en) * | 2020-04-30 | 2020-08-07 | 北京理工大学 | Stator, motor, robot and method for forming heat energy inhibition structure on stator |
| CN117294052A (en) * | 2023-11-27 | 2023-12-26 | 坎德拉(深圳)新能源科技有限公司 | Flywheel energy storage motor and flywheel energy storage device |
-
2018
- 2018-12-11 CN CN201822077675.2U patent/CN209608432U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111509890A (en) * | 2020-04-30 | 2020-08-07 | 北京理工大学 | Stator, motor, robot and method for forming heat energy inhibition structure on stator |
| CN117294052A (en) * | 2023-11-27 | 2023-12-26 | 坎德拉(深圳)新能源科技有限公司 | Flywheel energy storage motor and flywheel energy storage device |
| CN117294052B (en) * | 2023-11-27 | 2024-03-19 | 坎德拉(深圳)新能源科技有限公司 | Flywheel energy storage motor and flywheel energy storage device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11228215B2 (en) | System of a conductor disposed within an insulator | |
| US20090273254A1 (en) | Encapsulated stator of a dynamo-electrical machine | |
| EP3579385A1 (en) | Cooling structure for dynamo-electric machine | |
| EP2806537B1 (en) | Rotary electric generator stator, rotary electric generator comprising said stator, and wind turbine incorporating said rotary electric generator | |
| CN209608432U (en) | A kind of motor can be reduced encapsulating winding body heat stress | |
| KR20130079174A (en) | Electric machine with encapsulated end turns | |
| CN107425632A (en) | High speed permanent magnet motor rotor and high-speed permanent magnet motor | |
| CN113474969A (en) | Electric machine winding with improved cooling | |
| US7969049B2 (en) | High power density cooling of electrical machines using ceramic tubes of high thermal conductivity | |
| US20210273547A1 (en) | Wind turbine having superconducting generator and armature for use in the superconducting generator | |
| CN106533038A (en) | Phase change heat dissipation air cooling motor shell, manufacturing method thereof and air cooling motor | |
| CN105703498A (en) | Stator oil-immersed circulating cooling structure of built-in disc type motor | |
| CN106230212B (en) | A kind of single phase multi high frequency aluminium winding electric machine | |
| CN111313588A (en) | Motor capable of reducing thermal stress of winding encapsulation body | |
| CN112886774B (en) | Auxiliary shell type outer rotor permanent magnet synchronous motor cooling device | |
| CN111900837B (en) | Device and method for directly cooling end winding of flat permanent magnet motor | |
| CN110011457B (en) | Motor stator structure with integrated heat pipe and iron core | |
| WO2024113661A1 (en) | Motor heat dissipation structure based on deformation heat pipe and manufacturing method therefor | |
| US20180191218A1 (en) | Electric motor | |
| CN218526196U (en) | Combined type phase change thermal control device and magnetic axis linear motor based on same | |
| CN207304195U (en) | High speed permanent magnet motor rotor and high-speed permanent magnet motor | |
| CN108496295A (en) | Rotor, motor and the method for manufacturing rotor | |
| CN103618394A (en) | Disc-type motor stator adopting heat pipe windings | |
| CN218920069U (en) | Motor structure | |
| CN206481161U (en) | Phase-change heat ventilated machine shell and apply its ventilated machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |