CN208820553U - Stator support and SMC are without yoke type motor in axial magnetic field - Google Patents
Stator support and SMC are without yoke type motor in axial magnetic field Download PDFInfo
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- CN208820553U CN208820553U CN201821781647.2U CN201821781647U CN208820553U CN 208820553 U CN208820553 U CN 208820553U CN 201821781647 U CN201821781647 U CN 201821781647U CN 208820553 U CN208820553 U CN 208820553U
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Abstract
The utility model discloses a kind of stator supports and SMC without yoke type motor in axial magnetic field, belong to motor field, the stator support is used to support sectional type stator core and stator coil, including inner ring, outer ring and several interconnecting pieces between the inner ring and outer ring, the open-work for placing the stator core and stator coil is formed between adjacent two interconnecting piece, the shapes and sizes of the open-work and the shapes and sizes of the stator coil are adapted, and the depth of the open-work is consistent with the height of the stator coil；The inner ring, outer ring and interconnecting piece are integral type non-ferromagnetic metal structure.In the utility model, stator support is integral type metal material, manufacture difficulty is low, and cost is controllable, simple process, it is fixed conveniently to stator core and stator coil, and it is thermally conductive outward by metal itself, it is thermally conductive quick, it is easier to take away the heat on stator coil, no setting is required airtight cavity, there is no the risks of leakage.
Description
Technical field
The utility model relates to motor fields, particularly relate to a kind of stator support and the SMC with the bracket without yoke type axis
To magnetic field electric motor.
Background technique
Axial permanent magnetic motor (axial flux permanent magnet machine, AFPMM) is also referred to as desk permanent-magnet electricity
Machine (or axial magnetic field/flux electric machine), air gap be in plane, air-gap field is axially distributed, because its is compact-sized, high-efficient,
The advantages that power density is big obtains more and more concerns.AFPMM is particularly suitable for application to electric vehicle, renewable energy system
System, flywheel energy storage system and industrial equipment etc. require the occasion of high torque density and spaces compact.
Fig. 1 shows a kind of typical structure of no yoke type motor in axial magnetic field comprising be located in the middle stator module and
Rotor assembly positioned at two sides, in which: stator module includes stator core 6', the stator coil that is wound around on stator core 6'
5' and stator support 1' for fixed stator iron core 6' and stator coil 5', it is compound that stator core 6' generallys use soft magnetism
Material (Soft Magnetic Composite, SMC) is made, to reduce eddy-current loss；Rotor assembly includes being located at stator module
Magnet steel 4' that two sides are arranged in pairs, the rotor magnetic-conduction plate 3' that the back side magnet steel 4' is arranged in and setting are carried on the back in rotor magnetic-conduction plate 3'
The rotor supports 2' in face.
One difficult point of motor is to need to provide enough coolings.For the motor in axial magnetic field with high torque density
For, cooling is particularly important, and a large amount of heat is generated under high torque (HT), in coil, will if cannot cool down in time to coil
The torque being able to use is caused greatly to limit.
Patent document CN103329410B discloses a kind of over-molded construction of motor, and stator case includes two matched
A clam shell, clam shell use reinforced plastics injection molding, are filled with cooling medium in the chamber that two clam shells are formed, cooling medium can
It recycles around stator coil to cool down stator coil.Inventor has found although the patent document provides one in the course of the research
The scheme that kind stator is fixed and coil is cooling, but still have the following technical problems: stator case is using plastics to stator core, line
Circle is fixed and seals cooling, needs plastic mould, and manufacture difficulty is big, at high cost, and easily forms leakage.
Utility model content
It is fixed conveniently and is easier coil heat the technical problem to be solved by the present invention is to provide a kind of stator core
The stator support taken away and SMC are measured without yoke type motor in axial magnetic field.
In order to solve the above technical problems, the utility model offer technical solution is as follows:
On the one hand, a kind of stator support is provided, is used to support sectional type stator core and stator coil, including is inner ring, outer
Circle and several interconnecting pieces between the inner ring and outer ring are formed between adjacent two interconnecting piece described for placing
The shapes and sizes of the open-work of stator core and stator coil, the shapes and sizes of the open-work and the stator coil are adapted
So that the two contacts with each other after the stator coil is put into the open-work, the depth of the open-work and the stator coil
It is highly consistent；The inner ring, outer ring and interconnecting piece are integral type non-ferromagnetic metal structure.
Further, the screw hole being connected with the open-work, peace in the screw hole are provided on the inner surface of the inner ring
Equipped with the screw for fixing the stator core and stator coil；
Alternatively, being provided with the screw hole being connected with the open-work on the outer surface of the outer ring, it is equipped in the screw hole
For fixing the screw of the stator core and stator coil；
Alternatively, being provided with the hollow out cover board for fixing the stator core and stator coil on the end face of the open-work.
Further, the material of the stator support is aluminium or copper.
On the other hand, a kind of SMC is provided without yoke type motor in axial magnetic field, including stator module and is located at the stator module
The rotor assembly of two sides, the stator module include using stator core made of SMC material and being wound around the stator core
On stator coil, the rotor assembly includes the magnet steel being arranged in pairs positioned at the stator module two sides, is arranged in the magnetic
The rotor magnetic-conduction plate in steel back face and the rotor supports that the rotor magnetic-conduction plate back side is set, wherein the stator module is also
Including above-mentioned stator support, radiator is connected on the stator support.
Further, heat-conducting glue is coated between the open-work and stator coil.
Further, the outside of the stator support is provided with stator case, and the radiator is arranged in the stator
On shell.
Further, the radiator is air-cooled or oily cooling and radiation device.
The utility model has the following beneficial effects:
In the utility model, stator support is integral type metal material, and manufacture difficulty is low, and cost is controllable, and simple process is right
Stator core and stator coil are fixed conveniently, and thermally conductive outward by metal itself, thermally conductive quick, it is easier to by stator coil
On heat take away, no setting is required airtight cavity, there is no the risks of leakage.
Detailed description of the invention
Fig. 1 is in the prior art without the typical structure schematic diagram of yoke type motor in axial magnetic field；
Fig. 2 is the structural schematic diagram of the stator support of the utility model, wherein (a) is end elevation view, it is (b) solid
Figure；
Fig. 3 is the use state diagram of stator support shown in Fig. 2.
Specific embodiment
In order to make the technical problems, technical solutions and advantages to be solved by the utility model clearer, below in conjunction with attached drawing
And specific embodiment is described in detail.
On the one hand, the utility model provides a kind of stator support, is used to support sectional type stator core and stator coil, such as
Shown in Fig. 2-3, including inner ring 1, outer ring 2 and several interconnecting pieces 3 (radially distributed) between inner ring 1 and outer ring 2,
It is formed with the open-work 4 for placing stator core 5 and stator coil 6 between adjacent two interconnecting piece 3 and (places one group in each open-work
Stator core and stator coil), the shapes and sizes of open-work 4 be adapted with the shapes and sizes of stator coil 6 (shape is identical,
Size is identical or more bigger than stator coil) it is realized tightly so that stator coil 6 is put into open-work 4 both rear contact with each other
The depth of close fit, open-work 4 is consistent with the height of stator coil 6, to realize the two comprehensive engagement, improves heat-transfer rate；It is interior
Circle 1, outer ring 2 and interconnecting piece 3 are integral type non-ferromagnetic metal structure, preferably good heat conductivity, cost relatively low aluminium or copper
Etc. materials.
The stator support of the utility model, including inner ring, outer ring and several connections between inner ring and outer ring
Portion is formed with the open-work for placing stator core and stator coil between adjacent two interconnecting piece, due to the shape of open-work and big
The small shapes and sizes with stator coil are adapted, therefore after sectional type stator core and stator coil are installed in open-work, it is fixed
Subcoil and open-work are fitted close, so that being fixedly secured for stator core and stator coil can be realized；Also, due to inner ring, outside
Circle and interconnecting piece are integral type metal structure, and metal heat-conducting is fast, therefore can quickly take away the heat on stator coil.
To sum up, the stator support of the utility model is integral type metal material, and manufacture difficulty is low, and cost is controllable, technique letter
Just, it is fixed conveniently to stator core and stator coil, and thermally conductive outward by metal itself, it is thermally conductive quick, it is easier to will to determine
Heat on subcoil is taken away, no setting is required airtight cavity, and there is no the risks of leakage.
It, can be using the following mode that is auxiliarily fixed (in figure for the fix tightly solidity for improving stator core in the utility model
It is not shown):
The screw hole being connected with open-work 4 is set on the inner surface of inner ring 1, is equipped in the screw hole described in being used to fix
The screw of stator core and stator coil；
Alternatively, the screw hole being connected with open-work 4 is arranged on the outer surface of outer ring 2, it is equipped in the screw hole for solid
The screw of the fixed stator core and stator coil；
Alternatively, being provided with the hollow out cover board for fixing the stator core and stator coil on the end face of open-work 4, specifically
, the edge of stator core can be covered only and be fixed by hollow out cover board, and hollow out cover board is preferably nonferromagnetic material, can be led to
The modes such as screw or clamping are crossed to fix.
On the other hand, the utility model provides a kind of SMC without yoke type motor in axial magnetic field, including stator module and is located at institute
The rotor assembly of stator module two sides is stated, the stator module includes using stator core made of SMC material and being wound around institute
The stator coil on stator core is stated, the rotor assembly includes the magnet steel being arranged in pairs positioned at the stator module two sides, sets
Set the magnet steel back side rotor magnetic-conduction plate and the rotor supports at the rotor magnetic-conduction plate back side are set, wherein it is described
Stator module further includes above-mentioned stator support, is connected with radiator on stator support.Due to stator support structure and upper phase
Together, therefore details are not described herein again.
For the SMC of the utility model without in yoke type motor in axial magnetic field, stator support is integral type metal material, manufacture difficulty
Low, cost is controllable, and simple process is fixed conveniently to stator core and stator coil, and thermally conductive outward by metal itself, leads
It is hot quickly, it is easier to the heat on stator coil is taken away, no setting is required airtight cavity, there is no the risks of leakage.
To reduce the gap between open-work 4 and stator coil 6, raising heat transfer efficiency can between open-work 4 and stator coil 6
To be coated with heat-conducting glue.
In the utility model, stator support can regard as stator case, it is external without additional setting stator case at this time
Body；To improve easily manufactured property, stator support can also be regarded as being arranged being needed at this time in the intracorporal element of stator case in stator
It is arranged on bracket stator case (annular tubular is connected and fixed for protecting internal components and externally serving), it is described to dissipate
Thermal be arranged on the stator case, heat is conducted to stator support, then through stator case conduct to radiator to
Realize heat dissipation.
Radiator can be air-cooled or oily various types of radiators such as cold, as its known in this field often
Know, therefore and will not be described here in detail.When radiator is using oily cold mode, it is preferred that oil can also be set inside stator support
Road circulation canal, to further increase heat-sinking capability.
The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, under the premise of not departing from principle described in the utility model, it can also make several improvements and retouch, these improvement
It also should be regarded as the protection scope of the utility model with retouching.
Claims (7)
1. a kind of stator support is used to support sectional type stator core and stator coil, which is characterized in that including inner ring, outer ring,
And several interconnecting pieces between the inner ring and outer ring, it is formed with for placing the stator between adjacent two interconnecting piece
The shapes and sizes of the open-work of iron core and stator coil, the shapes and sizes of the open-work and the stator coil be adapted so that
It obtains the two after the stator coil is put into the open-work to contact with each other, the height of the depth of the open-work and the stator coil
It is consistent；The inner ring, outer ring and interconnecting piece are integral type non-ferromagnetic metal structure.
2. stator support according to claim 1, which is characterized in that be provided on the inner surface of the inner ring with it is described
The screw hole that hole is connected is equipped with the screw for fixing the stator core and stator coil in the screw hole；
Alternatively, being provided with the screw hole being connected with the open-work on the outer surface of the outer ring, it is equipped with and is used in the screw hole
The screw of the fixed stator core and stator coil；
Alternatively, being provided with the hollow out cover board for fixing the stator core and stator coil on the end face of the open-work.
3. stator support according to claim 1 or 2, which is characterized in that the material of the stator support is aluminium or copper.
4. a kind of SMC is without yoke type motor in axial magnetic field, the rotor assembly including stator module and positioned at the stator module two sides,
The stator module includes using stator core made of SMC material and the stator coil being wound around on the stator core, institute
Stating rotor assembly includes the magnet steel being arranged in pairs positioned at the stator module two sides, the rotor magnetic conduction that the magnet steel back side is arranged in
Plate and the rotor supports that the rotor magnetic-conduction plate back side is set, which is characterized in that the stator module further includes that right is wanted
Any stator support in 1-3 is sought, is connected with radiator on the stator support.
5. SMC according to claim 4 is without yoke type motor in axial magnetic field, which is characterized in that the open-work and stator coil
Between be coated with heat-conducting glue.
6. SMC according to claim 4 is without yoke type motor in axial magnetic field, which is characterized in that the outside of the stator support
It is provided with stator case, the radiator is arranged on the stator case.
7. SMC according to claim 4 is without yoke type motor in axial magnetic field, which is characterized in that the radiator is air-cooled
Or oily cooling and radiation device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821781647.2U CN208820553U (en) | 2018-10-31 | 2018-10-31 | Stator support and SMC are without yoke type motor in axial magnetic field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821781647.2U CN208820553U (en) | 2018-10-31 | 2018-10-31 | Stator support and SMC are without yoke type motor in axial magnetic field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208820553U true CN208820553U (en) | 2019-05-03 |
Family
ID=66280419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821781647.2U Active CN208820553U (en) | 2018-10-31 | 2018-10-31 | Stator support and SMC are without yoke type motor in axial magnetic field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208820553U (en) |
-
2018
- 2018-10-31 CN CN201821781647.2U patent/CN208820553U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 276017 Building No. 282, Shuangyuehu Road, Linyi High-tech Zone, Shandong Province 101 Patentee after: Shandong Jingchuang Technology Research Institute of Magnetoelectrics Industry Co., Ltd. Address before: 276017 Building No. 282, Shuangyuehu Road, Linyi High-tech Zone, Shandong Province 101 Patentee before: Shandong Jingchuang Functional Composites Co., Ltd. |