CN202334028U - Motor stator with packaged stator windings - Google Patents
Motor stator with packaged stator windings Download PDFInfo
- Publication number
- CN202334028U CN202334028U CN2011204076285U CN201120407628U CN202334028U CN 202334028 U CN202334028 U CN 202334028U CN 2011204076285 U CN2011204076285 U CN 2011204076285U CN 201120407628 U CN201120407628 U CN 201120407628U CN 202334028 U CN202334028 U CN 202334028U
- Authority
- CN
- China
- Prior art keywords
- stator
- motor
- groove
- stator winding
- encapsulating material
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a motor stator with packaged stator windings. The motor stator comprises a stator case, wherein a stator core is arranged on the inner wall of the stator case; a through slot is arranged on the stator core; stator windings are arranged in the through slot in a penetrating manner; packaging materials for packaging the stator windings in the through slot are poured in the through slot; packaging materials for packaging stator windings outside the through slot are poured in the space between the end surface of the stator core and the stator case; and the stator windings and the packaging materials are solidified integrally. The motor stator has good heat radiation effect, low motor operation noise and long service life and can be widely applied to production of the motor stators.
Description
Technical field
The utility model relates to design of electrical motor manufacturing technology field, particularly a kind of motor stator with encapsulated stator winding.
Background technology
Motor stator generally is made up of stator winding, stator core and the stator cage that wraps stator core.Some such as water smoke, mist of oil, salt fog and relatively rugged environment such as mouldy in; The main method that present raising motor stator barrier propterty adopts is to improve the stator cage degree of protection of motor stator, and is coated with three anti-lacquers (protection against the tide, anti-salt fog and mildew-resistant) at the stator cage of motor stator.But in some water smokes or mist of oil or salt fog comparison serious environmental; Only adopt the stator cage of high-protection level and be coated with three anti-lacquers at stator cage; The stator winding of motor stator still can receive the influence of adverse circumstances; Appearance such as dielectric strength reduces, stator winding leakage current increases, and problems such as stator winding life-span minimizing finally cause the stator winding of motor stator to burn out.
The utility model content
To the problems referred to above, it is good that the purpose of the utility model provides a kind of protection effect, the motor stator with encapsulated stator winding of long service life.
For achieving the above object, the utility model adopts following technical scheme:
A kind of motor stator with encapsulated stator winding comprises stator cage, and the inwall of said stator cage is provided with stator core, offers groove on the said stator core, is equipped with stator winding in the said groove, wherein:
Be cast with the encapsulating material that is used to encapsulate groove internal stator winding in the said groove, also be cast with the encapsulating material that is used to encapsulate groove external stator winding in the space between the end face of said stator core and the said stator cage;
Said stator winding and said encapsulation material solidifies are one.
Further, the shaft centre line of said stator core is parallel to the shaft centre line of said groove, and said groove is spaced on said stator core along the circumferencial direction of said stator core.
Further, said groove madial wall offers the notch that is used to pour into a mould encapsulating material, and said notch is positioned on the madial wall of said stator core.
Further, it is characterized in that said encapsulating material adopts epoxy resin and curing agent configuration to form.
A kind of method of encapsulated stator winding may further comprise the steps:
Step 1: configuration packages material;
Step 2: said encapsulating material is mixed;
Step 3: said encapsulating material is poured in the groove of stator core, and said encapsulating material also is poured in the end face and the space between the stator cage of said stator core;
Step 4: said encapsulating material is adopted the baking-curing moulding or adopts the nature curing molding.
Further, said encapsulating material adopts epoxy resin and curing agent configuration to form, and the volume proportion of said epoxy resin and said curing agent is 1: 0.6 to 1: 1.2.
Further, said epoxy resin percent by volume is 60%, and said curing agent percent by volume is 40%.
Further, the baking-curing moulding is specially: stoving time is 1～4 hour, and baking temperature is 80～130 ℃.
Further, the nature curing molding is specially: be 18～20 hours standing time.
The utility model is owing to adopt above technical scheme; It has the following advantages: the utility model adopts stator winding with motor stator with encapsulating material such as epoxy resin and the whole tight encapsulation of curing agent; The heat of encapsulation back stator winding is directly transferred to stator cage through encapsulating material, so the motor stator good heat dissipation effect; Stator winding encapsulates the rear motor stator by integral reinforcing, the noise when greatly reducing the motor operation; Encapsulation back stator winding is isolated with outside adverse circumstances fully, thereby can improve the motor stator protection effect, prolongation motor stator useful life.The utility model good heat dissipation effect, noise is low, long service life, it can be widely used in the production of motor stator.
Description of drawings
Fig. 1 is the structural representation of the motor stator with encapsulated stator winding of the utility model.
Fig. 2 is the sectional structure sketch map of the motor stator with encapsulated stator winding shown in Figure 1.
Fig. 3 is the process chart of the encapsulated stator winding of the utility model.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Like Fig. 1, shown in Figure 2, the utility model provides a kind of motor stator with encapsulated stator winding, comprises stator cage 1, and the inwall of stator cage 1 is provided with stator core 2, and stator core 2 offers groove 21, is equipped with stator winding 3 in the groove 21, wherein:
Be cast with the encapsulating material 4 that is used to encapsulate groove 21 internal stator windings 3 in the groove 21, also be cast with the encapsulating material 4 that is used to encapsulate groove 21 external stator windings 3 in the end face 22 of stator core 2 and the space between the stator cage 1;
Stator winding 3 is cured as one with encapsulating material 4.
The utility model is with stator winding 3 usefulness encapsulating materials 4 whole tight encapsulation of motor stator, and the heat of encapsulation back stator winding 3 is directly transferred to stator cage 1, good heat dissipation effect through encapsulating material 4; The whole motor stators in stator winding 3 back in bulk are by integral reinforcing, noise in the time of can reducing the motor operation; Stator winding 3 is by full encapsulation, and motor stator can have the favorable protection effect under adverse circumstances, prolonged the useful life of motor stator.
As a kind of preferred version, the cross section 12 of the inwall 11 of stator cage 1 is circular, and the cross section 14 of its outer wall 13 is circular or square; Stator core 2 is the torus structure.In the present embodiment, the cross section of the outer wall 13 of stator cage 1 is circular.The cross section 14 of the outer wall 13 of stator cage 1 is circular or square except adopting, and can also adopt other suitable structure, repeats no more at this.If the cross section 14 of cross section of the inwall 11 of stator cage 1 12 and outer wall 13 is circle; Stator core 2 also is the torus structure; Then stator cage 1 can adopt the concentric circles ring body with stator core 2, further increases the fastness that the stator cage 1 of motor stator is connected with stator core 2.
As a kind of preferred version; The shaft centre line of stator core 2 is parallel to the shaft centre line of groove 21; Groove 21 is spaced on stator core 2 along the circumferencial direction of stator core 2; Therefore the utility model has guaranteed that the stator winding 3 that is located in the groove 21 is evenly arranged on the stator core 2, can further improve the radiating effect of stator winding 3.
Groove 21 madial walls offer the notch 23 that is used to pour into a mould encapsulating material 4, and notch 23 is positioned on the madial wall of stator core 2.The utility model is employed on groove 21 madial walls and offers notch 23, so the utility model can be poured into a mould the encapsulating material 4 of encapsulated stator winding 3 through notch 23 in groove 21.
Encapsulating material 4 adopts epoxy resin and curing agent configuration to form.The utility model adopts epoxy resin and curing agent package configured material 4; Not only insulation property and sealing property are all good but also anticorrosion, high temperature resistant for this encapsulating material 4; Therefore not only improved the radiating effect of stator winding 3, and can fully stator winding 3 and extraneous adverse circumstances have been isolated fully.
As shown in Figure 3, the utility model also provides a kind of method of encapsulated stator winding, may further comprise the steps:
Step 1: configuration packages material 4;
Step 2: encapsulating material 4 is mixed;
Step 3: encapsulating material 4 is injected in the groove 21 of stator core 2, and encapsulating material 4 is also injected in the end face 22 and the space between the stator cage 1 of stator core 2;
Step 4: encapsulating material 4 is adopted the baking-curing moulding or adopts the nature curing molding.
As a kind of preferred version; Encapsulating material 4 adopts epoxy resin and curing agent configuration to form; The volume proportion of said epoxy resin and said curing agent is 1: 0.6 to 1: 1.2; In the present embodiment, it is 60% that configuration packages material 4 adopts the epoxy resin percent by volume, and said curing agent percent by volume is 40%.
The baking-curing moulding is specially: stoving time is preferably 1～4 hour, and baking temperature is preferably 80～130 ℃.
The nature curing molding is specially: be preferably 18～20 hours standing time.
To sum up; The utility model adopts stator winding 3 usefulness encapsulating materials 4 with motor stator like epoxy resin and the whole tight encapsulation of curing agent; Stator winding 3 is cured as one with encapsulating material 4; Therefore the heat of stator winding 3 encapsulation back stator winding 3 is transmitted on the stator cage 1 through encapsulating material 4, so the motor stator good heat dissipation effect; Because stator winding 3 packed materials 4 encapsulate the rear motor stators by integral reinforcing, the noise when greatly reducing the motor operation; Because stator winding 3 encapsulation back isolates with outside adverse circumstances fully, thereby improve the protection effect of motor stator greatly, prolonged motor stator useful life.
The preferred embodiment that the above is merely the utility model is not the practical range that is used for limiting the utility model; If do not break away from the spirit and the scope of the utility model, the utility model is made amendment or is equal to replacement, all should be encompassed in the middle of the protection range of the utility model claim.
Claims (4)
1. the motor stator with encapsulated stator winding is characterized in that, comprises stator cage, and the inwall of said stator cage is provided with stator core, offers groove on the said stator core, is equipped with stator winding in the said groove, wherein:
Be cast with the encapsulating material that is used to encapsulate groove internal stator winding in the said groove, also be cast with the encapsulating material that is used to encapsulate groove external stator winding in the space between the end face of said stator core and the said stator cage;
Said stator winding and said encapsulation material solidifies are one.
2. the motor stator with encapsulated stator winding according to claim 1; It is characterized in that; The shaft centre line of said stator core is parallel to the shaft centre line of said groove, and said groove is spaced on said stator core along the circumferencial direction of said stator core.
3. the motor stator with encapsulated stator winding according to claim 2 is characterized in that, said groove madial wall offers the notch that is used to pour into a mould encapsulating material, and said notch is positioned on the madial wall of said stator core.
4. according to claim 1 or 3 described motor stators, it is characterized in that said encapsulating material adopts epoxy resin and curing agent configuration to form with encapsulated stator winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204076285U CN202334028U (en) | 2011-10-24 | 2011-10-24 | Motor stator with packaged stator windings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204076285U CN202334028U (en) | 2011-10-24 | 2011-10-24 | Motor stator with packaged stator windings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202334028U true CN202334028U (en) | 2012-07-11 |
Family
ID=46445994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204076285U Expired - Fee Related CN202334028U (en) | 2011-10-24 | 2011-10-24 | Motor stator with packaged stator windings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202334028U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103066717A (en) * | 2011-10-24 | 2013-04-24 | 太仓富田瑞兰得电机有限公司 | Motor stator with packaging stator winding and method of packaging stator winding |
| CN106787383A (en) * | 2017-03-02 | 2017-05-31 | 北京交通大学 | A kind of ship magneto waterproof construction |
| CN111219446A (en) * | 2018-11-27 | 2020-06-02 | 富田电机股份有限公司 | Integrated power module of electric locomotive |
-
2011
- 2011-10-24 CN CN2011204076285U patent/CN202334028U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103066717A (en) * | 2011-10-24 | 2013-04-24 | 太仓富田瑞兰得电机有限公司 | Motor stator with packaging stator winding and method of packaging stator winding |
| CN106787383A (en) * | 2017-03-02 | 2017-05-31 | 北京交通大学 | A kind of ship magneto waterproof construction |
| CN106787383B (en) * | 2017-03-02 | 2019-05-14 | 北京交通大学 | A kind of ship magneto waterproof construction |
| CN111219446A (en) * | 2018-11-27 | 2020-06-02 | 富田电机股份有限公司 | Integrated power module of electric locomotive |
| CN111219446B (en) * | 2018-11-27 | 2023-01-17 | 富田电机股份有限公司 | Integrated power module of electric locomotive |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI FUTIAN ELECTRIC TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: TAICANG FUTIAN REALLAND ELECTRIC CO., LTD. Effective date: 20130513 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 215431 SUZHOU, JIANGSU PROVINCE TO: 200333 PUTUO, SHANGHAI |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130513 Address after: 200333 Shanghai city Putuo District Meichuan Road 1725 Lane 4, Room 102 Patentee after: Shanghai Futian Electric Technology Co., Ltd. Address before: 215431 Jiangsu city of Suzhou province Taicang Liuhe Futian Road No. 8 Patentee before: Taicang Futian Ruilande Electric Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20171024 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |