CN112398254A - Integrated plastic-coated stator core insulation structure and manufacturing process thereof - Google Patents
Integrated plastic-coated stator core insulation structure and manufacturing process thereof Download PDFInfo
- Publication number
- CN112398254A CN112398254A CN202011382494.6A CN202011382494A CN112398254A CN 112398254 A CN112398254 A CN 112398254A CN 202011382494 A CN202011382494 A CN 202011382494A CN 112398254 A CN112398254 A CN 112398254A
- Authority
- CN
- China
- Prior art keywords
- stator core
- coated
- integrated plastic
- manufacturing process
- insulating layer
- 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.)
- Pending
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/32—Windings characterised by the shape, form or construction of the insulation
- H02K3/34—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
- H02K3/345—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation between conductor and core, e.g. slot insulation
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/10—Applying solid insulation to windings, stators or rotors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/30—Windings characterised by the insulating material
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/52—Fastening salient pole windings or connections thereto
- H02K3/521—Fastening salient pole windings or connections thereto applicable to stators only
- H02K3/522—Fastening salient pole windings or connections thereto applicable to stators only for generally annular cores with salient poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
The invention discloses an integrated plastic-coated stator core insulation structure which comprises a stator core (1), wherein the inner ring of the stator core (1) is provided with a plurality of integrally connected bulges (11), the bulges (11) are distributed at equal intervals along the inner ring of the stator core (1), the bulges (11) are used for fixing a stator winding, and insulation layers (3) are respectively covered in a groove between every two adjacent bulges (11) and the upper end surface and the lower end surface of the stator core (1) and the bulges (11). The invention also discloses a manufacturing process of the integrated plastic-coated stator core insulation structure. According to the integrated plastic-coated stator core insulation structure and the manufacturing process thereof, the insulation structure can be formed on the surface of the stator core, and the technical problems of winding and paper rolling in the prior art are solved.
Description
Technical Field
The invention relates to an integrated plastic-coated stator core insulation structure and a manufacturing process thereof, and belongs to the technical field of brushless motors.
Background
As the demand for products powered by dc batteries is increasing in the market, the demand for dc permanent magnet brushless motors is beginning to increase and the use of various products is beginning to be widespread. The insulation structure of the direct current permanent magnet brushless motor used in the current market simultaneously uses DMD slot insulation paper with the thickness of 0.2-0.3mm as the basic insulation of the motor. For some products considering production efficiency and economy, the structure is easy to generate process problems such as winding and paper winding during production, and defective products are generated.
Disclosure of Invention
The invention aims to solve the technical problem of providing an integrated plastic-coated stator core insulation structure and a manufacturing process thereof, wherein the insulation structure can be formed on the surface of a stator core, and the process problems of winding and paper rolling in the prior art are solved.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the utility model provides an integral type package plastic stator core's insulation system, includes stator core, stator core's inner circle is provided with the bellying of a body coupling, a plurality of the bellying along stator core's inner circle equidistant distribution, the bellying is used for fixed stator winding, two adjacent in the recess between the bellying and the upper and lower terminal surface of stator core and bellying all covers there is the insulating layer.
The insulating layer is made of PA nylon.
The number of the convex parts is 9.
A manufacturing process of an integrated plastic-coated stator core insulation structure comprises the following steps:
step a, preparing an injection mold according to the sizes of the stator core and the bulge and the thickness of the insulating layer;
b, putting the stator core into an injection mold, and wrapping insulating materials in the groove and the upper and lower end faces of the stator core by an injection molding process;
and c, after the insulating material is solidified, taking out the injection molded stator core.
The thickness of the insulating layer in the groove of the stator core is 0.6 mm.
The thickness of the insulating layer on the upper end surface and the lower end surface of the stator core is 1-1.5 mm.
The invention has the beneficial effects that: the invention provides an integrated plastic-coated stator core insulation structure and a manufacturing process thereof. The design scheme replaces DMD slot insulation paper to be used as basic insulation of the motor, production efficiency is improved, production process is simplified, and the rate of defective products is reduced.
Drawings
Fig. 1 is a schematic view of a horizontal sectional structure of a stator core according to the present invention;
FIG. 2 is a schematic view of the vertical cross-section at A-A in the present invention.
Detailed Description
The present invention is further described with reference to the accompanying drawings, and the following examples are only for clearly illustrating the technical solutions of the present invention, and should not be taken as limiting the scope of the present invention.
As shown in fig. 1, the invention discloses an insulation structure of an integrated plastic-coated stator core, which comprises a stator core 1, wherein the inner ring of the stator core 1 is provided with a plurality of protrusions 11 which are integrally connected, the plurality of protrusions 11 are distributed along the inner ring of the stator core 1 at equal intervals, and the number of the protrusions 11 is 9. The protruding parts 11 are used for fixing stator windings, the insulating layers 3 cover the grooves between two adjacent protruding parts 11 and the upper end faces and the lower end faces of the stator core 1 and the protruding parts 11, and the material of the insulating layers 3 is preferably PA nylon.
The invention also discloses a manufacturing process of the integrated plastic-coated stator core insulation structure, which comprises the following steps:
step one, preparing an injection mold according to the sizes of the stator core 1 and the bulge part 11 and the thickness of the insulating layer 3;
secondly, putting the stator core 1 into an injection mold, and wrapping insulating materials in a groove and on the upper end face and the lower end face of the stator core 1 by an injection molding process;
and step three, taking out the injection molded stator core 1 after the insulating material is cured.
As shown in fig. 2, the thickness of the insulating layer 3 in the groove of the stator core 1 is 0.6mm, and the thickness of the insulating layer 3 on the upper and lower end surfaces of the stator core 1 is 1 to 1.5 mm.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (6)
1. The utility model provides an integral type package plastic stator core's insulation system which characterized in that: including stator core (1), the inner circle of stator core (1) is provided with lug boss (11), a plurality of body coupling lug boss (11) along the equidistant distribution of inner circle of stator core (1), lug boss (11) are used for fixed stator winding, two adjacent in the recess between lug boss (11) and the upper and lower terminal surface of stator core (1) and lug boss (11) all covers insulating layer (3).
2. The insulating structure of the integrated plastic-coated stator core as claimed in claim 1, wherein: the insulating layer (3) is made of PA nylon.
3. The insulating structure of the integrated plastic-coated stator core as claimed in claim 1, wherein: the number of the convex parts (11) is 9.
4. The manufacturing process of the integrated plastic-coated stator core insulation structure is characterized in that: the method comprises the following steps:
step a, preparing an injection mold according to the sizes of the stator core (1) and the bulge part (11) and the thickness of the insulating layer (3);
b, putting the stator core (1) into an injection mold, and wrapping insulating materials in a groove and on the upper end face and the lower end face of the stator core (1) through an injection molding process;
and c, after the insulating material is solidified, taking out the injection molded stator core (1).
5. The manufacturing process of the insulating structure of the integrated plastic-coated stator core according to claim 4, characterized in that: the thickness of the insulating layer (3) in the groove of the stator core (1) is 0.6 mm.
6. The manufacturing process of the insulating structure of the integrated plastic-coated stator core according to claim 4, characterized in that: the thickness of the insulating layer (3) on the upper end surface and the lower end surface of the stator core (1) is 1-1.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011382494.6A CN112398254A (en) | 2020-12-01 | 2020-12-01 | Integrated plastic-coated stator core insulation structure and manufacturing process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011382494.6A CN112398254A (en) | 2020-12-01 | 2020-12-01 | Integrated plastic-coated stator core insulation structure and manufacturing process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112398254A true CN112398254A (en) | 2021-02-23 |
Family
ID=74605699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011382494.6A Pending CN112398254A (en) | 2020-12-01 | 2020-12-01 | Integrated plastic-coated stator core insulation structure and manufacturing process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112398254A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209375283U (en) * | 2018-12-14 | 2019-09-10 | 合肥凯邦电机有限公司 | Stator core framework structure and motor with same |
| CN210167878U (en) * | 2019-07-16 | 2020-03-20 | 瑞智精密股份有限公司 | Stator structure of motor |
-
2020
- 2020-12-01 CN CN202011382494.6A patent/CN112398254A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209375283U (en) * | 2018-12-14 | 2019-09-10 | 合肥凯邦电机有限公司 | Stator core framework structure and motor with same |
| CN210167878U (en) * | 2019-07-16 | 2020-03-20 | 瑞智精密股份有限公司 | Stator structure of motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210223 |
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| RJ01 | Rejection of invention patent application after publication |