CN218335466U - Cooling structure of outer rotor axial flux motor - Google Patents
Cooling structure of outer rotor axial flux motor Download PDFInfo
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- CN218335466U CN218335466U CN202222443172.9U CN202222443172U CN218335466U CN 218335466 U CN218335466 U CN 218335466U CN 202222443172 U CN202222443172 U CN 202222443172U CN 218335466 U CN218335466 U CN 218335466U
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- cooling water
- stator
- water pipe
- axial flux
- stator winding
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Abstract
The utility model provides a cooling structure of external rotor axial flux motor belongs to axial flux motor technical field, including stator support, stator winding monomer, condenser tube, outer loop and resin layer, be equipped with sunken encapsulating ring and the rib of equal and distribution on the stator support, the stator winding monomer is arranged in adjacent two sets of between the rib, condenser tube arranges in the free outside of stator winding, the outer loop cladding in the condenser tube outside. The utility model discloses when the motor operation, utilize the cooling water in the cooling water pipe to walk away the produced heat of the inside stator winding of motor, the heat loss that reduces the motor has improved the work efficiency of motor greatly.
Description
Technical Field
The utility model belongs to the technical field of axial flux motor, specifically an outer rotor axial flux motor's cooling structure.
Background
Along with continuous innovation in the field of motor design and manufacture, the market demand on the axial flux motor is more and more high, the axial flux motor has the advantages of compact structure, light weight, small volume, high peak torque, high power density and the like, but the problems of high load, high heat and the like of the motor are brought, the traditional axial flux motor is mainly cooled by a natural air cooling mode, the cooling efficiency is low, and the improvement of the power density of the axial flux motor is limited to a certain extent; therefore, it is important to improve the cooling efficiency of the axial flux motor and further improve the power density of the axial flux motor.
Disclosure of Invention
The technical problem to be solved by the embodiment of the present invention is to provide a cooling structure of an external rotor axial flux motor to improve the power density of the axial flux motor.
In order to solve the technical problem, the utility model provides a following technical scheme:
a cooling structure of an outer rotor axial flux motor comprises a stator bracket, a stator winding monomer, a cooling water pipe, an outer ring and a resin layer,
the stator bracket is provided with a sunken encapsulating ring and ribs which are uniformly distributed,
the stator winding monomer is distributed between two adjacent groups of the ribs,
the cooling water pipe is distributed at the outer side of the stator winding monomer,
the outer ring is coated on the outer side of the cooling water pipe.
As a further improvement of the utility model: the cooling water pipe is spiral.
As a further improvement of the utility model: the cooling water pipe is a copper pipe.
As a further improvement scheme of the utility model: gaps are formed among the cooling water pipe, the stator winding monomer and the outer ring.
As a further improvement of the present invention: and the water inlet end and the water outlet end of the cooling water pipe penetrate through the two stator winding monomers and are respectively connected with the stator water inlet and the stator water outlet of the stator support.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses when the motor operation, utilize the cooling water in the cooling water pipe to walk away the produced heat of the inside stator winding of motor, the heat loss that reduces the motor has improved the work efficiency of motor greatly.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the cooling water pipe of the present invention;
fig. 3 is the structure schematic diagram of the stator bracket of the motor of the present invention.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
Referring to fig. 1, the embodiment provides a cooling structure of an outer rotor axial flux motor, including a stator support 1, stator winding monomers 3, cooling water pipes 2, an outer ring 4, and a resin layer 5, where the stator support 1 is provided with a recessed potting ring 9 and ribs 8 that are distributed uniformly, the stator winding monomers 3 are distributed between two adjacent sets of the ribs 8, the cooling water pipes 2 are distributed outside the stator winding monomers 3, the outer ring 4 is coated outside the cooling water pipes 2, and during potting, the stator winding 3, the cooling water pipes 2, the outer ring 4, and the stator support 1 are directly integrated by high thermal conductivity resin.
Referring to fig. 2, in an embodiment, the cooling water pipe 2 is spiral, made of red copper, and has a certain gap with the stator winding and the outer ring 4, so that the high thermal conductivity potting adhesive can fix the cooling water pipe better, and the strength of the whole stator disc body is improved.
Specifically, referring to fig. 2 and fig. 3, in an embodiment, the water inlet end 6 and the water outlet end 7 of the cooling water pipe 2 penetrate through between the two stator winding units 3, and are respectively connected to the stator water inlet 10 and the stator water outlet 11 of the stator bracket 1, and are fixed by potting adhesive, so that the cooling water flows in from the stator water inlet 10, passes through the cooling water pipe 2, and finally flows out from the stator water outlet 11.
In order to ensure that the cooling water pipe 2 is completely embedded in the potting adhesive layer 5, the spiral height of the cooling water pipe 2 must not exceed the height of the stator winding monomer 3.
When the motor operates, heat is transferred to the high-heat-conduction potting layer from the conducting wire and the stator core, and finally transferred to the cooling water pipe 2 to be taken away by circulating cooling water.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (5)
1. A cooling structure of an outer rotor axial flux motor is characterized by comprising a stator bracket, a stator winding monomer, a cooling water pipe, an outer ring and a resin layer,
the stator bracket is provided with a sunken encapsulating ring and ribs which are uniformly distributed,
the stator winding monomer is distributed between two adjacent groups of the ribs,
the cooling water pipe is distributed at the outer side of the stator winding monomer,
the outer ring covers the outer side of the cooling water pipe.
2. The cooling structure of an outer rotor axial flux electric machine according to claim 1, wherein the cooling water pipe is spiral.
3. The cooling structure of an outer rotor axial flux motor according to claim 2, wherein the cooling water pipe is a copper pipe.
4. The cooling structure of an external rotor axial flux electric machine according to claim 2, wherein gaps are provided between the cooling water pipe and the stator winding unit and between the cooling water pipe and the outer ring.
5. The cooling structure of an external rotor axial flux motor as claimed in claim 1, wherein the water inlet end and the water outlet end of the cooling water pipe pass through between the two stator winding units and are connected to the stator water inlet and the stator water outlet of the stator frame, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222443172.9U CN218335466U (en) | 2022-09-15 | 2022-09-15 | Cooling structure of outer rotor axial flux motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222443172.9U CN218335466U (en) | 2022-09-15 | 2022-09-15 | Cooling structure of outer rotor axial flux motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218335466U true CN218335466U (en) | 2023-01-17 |
Family
ID=84837751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222443172.9U Active CN218335466U (en) | 2022-09-15 | 2022-09-15 | Cooling structure of outer rotor axial flux motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218335466U (en) |
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2022
- 2022-09-15 CN CN202222443172.9U patent/CN218335466U/en active Active
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