CN209608411U - A kind of stator module and big torque disc type electric machine for disc type electric machine - Google Patents
A kind of stator module and big torque disc type electric machine for disc type electric machine Download PDFInfo
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- CN209608411U CN209608411U CN201822073740.4U CN201822073740U CN209608411U CN 209608411 U CN209608411 U CN 209608411U CN 201822073740 U CN201822073740 U CN 201822073740U CN 209608411 U CN209608411 U CN 209608411U
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- coiling tooth
- disc type
- electric machine
- stator
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Abstract
The utility model discloses a kind of stator module for disc type electric machine and big torque disc type electric machines, it includes stator core and winding coil, the stator core includes the coiling tooth group of at least 2 layers arranged concentric, winding coil is connected in every layer of coiling tooth group, every layer of coiling tooth group includes the equally distributed coiling tooth of multiple circumferential directions along stator core.The utility model structure is simple, easy to use, can effectively increase the volumetric power density of motor torque fan-out capability, raising motor under the premise of not changing the volume of original disc type electric machine.
Description
Technical field
The utility model relates to a kind of stator modules, belong to disc type electric machine technical field, and in particular to one kind is used for disc type
The stator module of motor and big torque disc type electric machine containing the stator module.
Background technique
Currently, disc type electric machine has axial dimension small compared with conventional motors, compact-sized, winding available space is big, electricity
The features such as engine efficiency is high, and output torque is big, and stock utilization is high, especially suitable for having strict demand to motor axial direction installation dimension
Occasion.
Disc type electric machine mainly include stator assembly and rotor assembly, stator module generally comprise fixed disk, stator core and
The concentratred winding being installed on stator core, for fixed disk to install and support stator core, stator core is by fixation
Processed on disk radially distributing slot, tooth and formed, fixed disk is in hollow circular ring shape, and stator tooth is fan-shaped, and such as China is practical new
Shown in type patent CN201766422U, the arragement construction of this kind of stator core causes the space of fixed disk middle section that can not obtain
It can not generate effective electromagnetic torque to the space of effective use, fixed disk middle section and generate waste.
Summary of the invention
The purpose of this utility model is to provide a kind of stator module for disc type electric machine and big torque disc type electric machine,
In the case where existing motor volume can be kept constant, increase torque output capability, improves volumetric power density.
In order to solve the above technical problems, the utility model uses such a stator module for disc type electric machine,
Including stator core and winding coil, the stator core includes the coiling tooth group of at least 2 layers arranged concentric, every layer of coiling tooth
Winding coil is connected in group, every layer of coiling tooth group includes the equally distributed coiling tooth of multiple circumferential directions along stator core.
In a kind of preferred embodiment of the utility model, the winding coil in two adjacent groups coiling tooth group is serially connected
Connection.
In a kind of preferred embodiment of the utility model, the coiling tooth is sector.
In a kind of preferred embodiment of the utility model, wound on each coiling tooth of the coiling tooth group
State winding coil.
In a kind of preferred embodiment of the utility model, the winding is wound on the coiling tooth of the coiling tooth group
Coil does not wind the coiling tooth of winding coil between adjacent 2 winding coils at least provided with 1.
In a kind of preferred embodiment of the utility model, the stator core includes flat annular base plate portion, it is described around
Line tooth group is arranged concentrically in the flat annular base plate portion.
In a kind of preferred embodiment of the utility model, along stator core radial direction from the inside to the outside, every layer of coiling tooth
The coiling tooth number of group is incremented by.
The invention also discloses a kind of big torque disc type electric machines comprising stator and rotor, the stator are aforementioned
Stator module.
In a kind of preferred embodiment of the utility model, the stator is 1 or 2 or multiple.
In a kind of preferred embodiment of the utility model, the rotor is 1 or 2 or multiple.
The beneficial effects of the utility model are: the utility model structure is simple, easy to use, can not change it is original
Under the premise of the volume of disc type electric machine, effectively increase the volumetric power density of motor torque fan-out capability, raising motor；This reality
With it is novel by stator core is designed at least as include 2 layers of arranged concentric coiling tooth group, to be utilized in stator core
Between part space, increase electromagnetic action part；The utility model passes through the arranged for interval winding on the coiling tooth of coiling tooth group
Coil is effectively reduced equivalent magnetic resistance, increases air gap flux density.
Detailed description of the invention
Fig. 1 is the main view of the stator module of disc type electric machine in the prior art；
Fig. 2 is the top view of the rotor assembly of disc type electric machine in the prior art；
Fig. 3 is disk type electric machine stator component+rotor assembly schematic diagram in the prior art；
Fig. 4 is disk type electric machine stator component+rotor assembly cross-sectional view in the prior art；
Fig. 5 is the main view of the stator module of the utility model embodiment 1；
Fig. 6 is the cross-sectional view of the stator module of the utility model embodiment 1；
Fig. 7 is the main view of the stator module of the utility model embodiment 2；
Fig. 8 is the cross-sectional view of the stator module of the utility model embodiment 2；
Fig. 9 is the main view of the stator module of the utility model embodiment 3；
Figure 10 is the cross-sectional view of the stator module of the utility model embodiment 3；
Figure 11 is the main view of the stator module of the utility model embodiment 4；
Figure 12 is the cross-sectional view of the stator module of the utility model embodiment 4；
Figure 13 is a kind of schematic diagram of big torque disc type electric machine of the utility model embodiment；
In figure: 1- stator core；2- winding coil；3- coiling tooth group；3.1- coiling tooth；4- rotor backplate；5- permanent magnetism
Body；
In figure: black-white-gray respectively represents UVW three-phase.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.
The utility model discloses a kind of stator modules for disc type electric machine comprising stator core 1 and winding coil
2, stator core 1 includes the multilayer winding tooth group 3 arranged along the spaced radial of stator core and the concentric cloth of multilayer winding tooth group 3
It sets, winding coil 2 is connected in every layer of coiling tooth group 3, every layer of coiling tooth group 3 includes multiple circumferential uniform point along stator core
The coiling tooth 3.1 of cloth.Winding coil 2 in two adjacent groups coiling tooth group 3 is connected in series with each other.Preferably, coiling tooth 3.1 is fan
Shape." one layer " herein refers to " circle ".
Preferably, winding coil 2 is wound on each coiling tooth 3.1 of coiling tooth group 3.
Preferably, it is wound with winding coil 2 on the coiling tooth 3.1 of coiling tooth group 3, between adjacent 2 winding coils 2 extremely
It is provided with 1 coiling tooth 3.1 for not winding winding coil 2 less.
Preferably, stator core 1 includes flat annular base plate portion, and coiling tooth group 3 is arranged concentrically in flat annular base plate portion.
Preferably, from the inside to the outside along the radial direction of stator core 1,3.1 numbers of the coiling tooth of every layer of coiling tooth group 3 are incremented by.
The invention also discloses a kind of big torque disc type electric machines, as shown in figure 13 comprising 1 stator and 2 turns
Son, 1 stator are stator module above-mentioned.
The big torque disc type electric machine of the utility model has Dan Dingzi+single rotor, Dan Dingzi+birotor, bimorph transducer+single rotor
And the structures such as multiple stators+more rotors, stator module are suitable for any rotor composite structure.
For the technical effect for verifying the utility model, it is as follows now to enumerate embodiment:
Comparative example 1 (as shown in Figs 1-4):
Stator structure, only includes 1 group of coiling tooth group 3, and every layer of coiling tooth group 3 includes multiple along the circumferential uniform of stator core
The coiling tooth 3.1 of distribution, each coiling tooth 3.1 are wound with winding coil 2；
Rotor structure, the permanent magnet including rotor backplate and piecemeal；
Stator structure and rotor structure form 27 slot, 24 pole scheme, and annular is cut from middle radius, and section, which is straightened, to be become
Linear motor model, overall length 750mm, is measured to simplify the calculation, and one third model is taken to be emulated, and as illustrated in the accompanying drawings from 1 to 3, is imitated
True result are as follows: back-emf 4.15kV, thrust 18.75kN.
Embodiment 1 (as seen in figs. 5-6):
Stator structure, only includes 2 layers of coiling tooth group 3, and every layer of coiling tooth group 3 includes multiple along the circumferential uniform of stator core
The coiling tooth 3.1 of distribution, each coiling tooth 3.1 are wound with winding coil 2；
Rotor structure, the permanent magnet including rotor backplate and piecemeal；
The performance of outer ring is prototype solution as a result, without calculating again, and result is that back-emf is 4.15kV, thrust
18.75kN,
The performance of inner ring is that the result of prototype solution is pure increment, and back-emf is 1.6kV (increasing 38.6%), thrust
12.86kN (increases 68.6%), due to consideration that inner radii is smaller, is converted to torque, increment 12.86*450/18.75/
It is essentially identical to increase percentage with back-emf by 750=41.2%.
Embodiment 2 (as Figure 7-8):
Stator structure, only includes 2 layers of coiling tooth group 3, and every layer of coiling tooth group 3 includes multiple along the circumferential uniform of stator core
The coiling tooth 3.1 of distribution, each coiling tooth 3.1 are wound with winding coil 2；
Rotor structure, the permanent magnet including rotor backplate and piecemeal；
Embodiment 1 is identical as 2 structure of embodiment, and split-phase mode is different；
The performance of outer ring is prototype solution as a result, without calculating again, and result is that back-emf is 4.15kV, thrust
18.75kN,
The performance of inner ring is that the result of prototype solution is pure increment, and back-emf is 1.4kV (increasing 33.7%), thrust
11.1kN is converted to torque due to consideration that inner radii is smaller, and it is basic to increase percentage with back-emf for increment 35.5%
It is identical.
Embodiment 3 (as shown in figs. 9-10):
Stator structure, only includes 2 layers of coiling tooth group 3, and every layer of coiling tooth group 3 includes multiple along the circumferential uniform of stator core
The coiling tooth 3.1 of distribution, each coiling tooth 3.1 are wound with winding coil 2；
Rotor structure, the permanent magnet including rotor backplate and piecemeal；
Embodiment 3 is identical relative to 2 split-phase mode of embodiment, but the 3 inner ring number of teeth of embodiment is less, and the facewidth can be done more
Greatly, inner ring is equivalent to 9 slot, 24 pole motor；
The performance of outer ring is prototype solution as a result, without calculating again, and result is that back-emf is 4.15kV, thrust
18.75kN,
The performance of inner ring is that the result of prototype solution is pure increment, and back-emf is 0.71kV (increasing 17.1%), thrust
5.67kN is converted to torque due to consideration that inner radii is smaller, and it is basic to increase percentage with back-emf for increment 18.1%
It is identical.
Embodiment 4 (as depicted in figs. 11-12):
Stator structure, only includes 2 layers of coiling tooth group 3, and every layer of coiling tooth group 3 includes multiple along the circumferential uniform of stator core
The coiling tooth 3.1 of distribution, each coiling tooth 3.1 of outer ring are wound with winding coil 2, and 3.1 arranged for interval of coiling tooth of inner ring has
Winding coil 2；
Rotor structure, the permanent magnet including rotor backplate and piecemeal；
The performance of outer ring is prototype solution as a result, without calculating again, and result is that back-emf is 4.15kV, thrust
18.75kN,
The performance of inner ring is that the result of prototype solution is pure increment, and back-emf is 0.88kV (increasing 21.2%), thrust
7.04kN is converted to torque due to consideration that inner radii is smaller, and it is basic to increase percentage with back-emf for increment 22.5%
It is identical.
The technical solution can reduce equivalent magnetic resistance, increase air gap flux density.
Embodiment 5:
Stator structure, only includes 2 layers of coiling tooth group 3, and every layer of coiling tooth group 3 includes multiple along the circumferential uniform of stator core
The coiling tooth 3.1 of distribution, each coiling tooth 3.1 of outer ring are wound with winding coil 2, and 3.1 arranged for interval of coiling tooth of inner ring has
Winding coil 2；
Rotor structure, the permanent magnet including rotor backplate and alternating polar form (all remove the intermediate pole N permanent magnet
Or it is changed to conducting magnet core)；
The performance of outer ring is prototype solution as a result, without calculating again, and result is that back-emf is 4.15kV, thrust
18.75kN,
The performance of inner ring is that the result of prototype solution is pure increment, and back-emf is 0.79kV or 1.58kV (increases 19%
Or 38%), the growth ratio of torque is also almost the same.Since alternately pole scheme only replaces permanent magnet, it is equivalent to and only changes rotor,
So alternating pole mode can be used to save permanent magnet dosage in remaining improvement project.
The above is only the specific embodiments of the utility model, and but protection scope of the utility model is not limited thereto,
Anyone skilled in the art is in the technical scope disclosed by the utility model, the variation that can readily occur in or replaces
It changes, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with claim
Subject to protection scope defined by book.
Claims (10)
1. a kind of stator module for disc type electric machine, including stator core (1) and winding coil (2), it is characterised in that: described
Stator core (1) includes the coiling tooth group (3) of at least 2 layers arranged concentric, is connected with winding coil on every layer of coiling tooth group (3)
(2), every layer of coiling tooth group (3) includes the equally distributed coiling tooth (3.1) of multiple circumferential directions along stator core.
2. a kind of stator module for disc type electric machine according to claim 1, it is characterised in that: two adjacent groups coiling tooth
Winding coil (2) in group (3) is connected in series with each other.
3. a kind of stator module for disc type electric machine according to claim 1, it is characterised in that: the coiling tooth
It (3.1) is sector.
4. a kind of stator module for disc type electric machine according to claim 1, it is characterised in that: the coiling tooth group
(3) winding coil (2) are wound on each coiling tooth (3.1).
5. a kind of stator module for disc type electric machine according to claim 1, it is characterised in that: the coiling tooth group
(3) it is wound with the winding coil (2) on coiling tooth (3.1), between adjacent 2 winding coils (2) not at least provided with 1
Wind the coiling tooth (3.1) of winding coil (2).
6. a kind of stator module for disc type electric machine according to claim 1, it is characterised in that: the stator core
It (1) include flat annular base plate portion, the coiling tooth group (3) is arranged concentrically in the flat annular base plate portion.
7. a kind of stator module for disc type electric machine according to claim 1, it is characterised in that: along stator core (1)
Radial direction from the inside to the outside, coiling tooth (3.1) number of every layer of coiling tooth group (3) is incremented by.
8. a kind of big torque disc type electric machine, including stator and rotor, it is characterised in that: the stator is that claim 1-7 is any
Stator module described in one claim.
9. a kind of big torque disc type electric machine according to claim 8, it is characterised in that: the stator is 1 or 2 or more
It is a.
10. a kind of big torque disc type electric machine according to claim 8, it is characterised in that: the rotor be 1 or 2 or
It is multiple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822073740.4U CN209608411U (en) | 2018-12-11 | 2018-12-11 | A kind of stator module and big torque disc type electric machine for disc type electric machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822073740.4U CN209608411U (en) | 2018-12-11 | 2018-12-11 | A kind of stator module and big torque disc type electric machine for disc type electric machine |
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| Publication Number | Publication Date |
|---|---|
| CN209608411U true CN209608411U (en) | 2019-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822073740.4U Active CN209608411U (en) | 2018-12-11 | 2018-12-11 | A kind of stator module and big torque disc type electric machine for disc type electric machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109494894A (en) * | 2018-12-11 | 2019-03-19 | 东风电动车辆股份有限公司 | A kind of stator module for disc type electric machine and the disc type electric machine containing the stator module |
-
2018
- 2018-12-11 CN CN201822073740.4U patent/CN209608411U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109494894A (en) * | 2018-12-11 | 2019-03-19 | 东风电动车辆股份有限公司 | A kind of stator module for disc type electric machine and the disc type electric machine containing the stator module |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20200119 Address after: 430056 No. 339 Chaoyang Avenue, Wuhan Economic and Technological Development Zone, Wuhan City, Hubei Province Patentee after: Zhixin Technology Co., Ltd Address before: 430056 Dongfeng Electric Vehicle Co., Ltd. 339 Chaoyang Avenue, Wuhan Economic and Technological Development Zone, Hubei Province Patentee before: Dongfeng Electric Vehicles Co., Ltd. |