CN110808647A - Rotor, motor and engine - Google Patents
Rotor, motor and engine Download PDFInfo
- Publication number
- CN110808647A CN110808647A CN201911260541.7A CN201911260541A CN110808647A CN 110808647 A CN110808647 A CN 110808647A CN 201911260541 A CN201911260541 A CN 201911260541A CN 110808647 A CN110808647 A CN 110808647A
- Authority
- CN
- China
- Prior art keywords
- rotor
- motor
- temperature
- engine
- winding
- 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
Links
Images
Classifications
-
- 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
- H02K1/22—Rotating parts of the magnetic circuit
-
- 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
- H02K15/12—Impregnating, heating or drying of windings, stators, rotors or machines
-
- 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
- H02K3/32—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
-
- 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
- H02K3/38—Windings characterised by the shape, form or construction of the insulation around winding heads, equalising connectors, or connections thereto
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
The invention discloses a rotor, a motor and an engine.A winding of an iron core of the rotor is at least sprayed with an insulating layer, and an insulating material of the insulating layer can endure a set temperature; the rotor insulation and reinforcement of the invention is formed by spraying the insulation material, thereby greatly reducing the insulation thickness, solving the problem of overlarge volume caused by overlarge gaps among all levels of the iron core caused by insulation paper and temperature-resistant rubber in the prior art, avoiding the fault problem caused by expansion or collapse of the temperature-resistant rubber, reducing the fault rate of the motor, reducing the volume of the motor with the same power, reducing the complexity of manufacturing the motor, further reducing the manufacturing cost and prolonging the service life.
Description
Technical Field
The invention relates to a power machine and a component, in particular to a rotor, a motor and an engine.
Background
The motor is a machine taking electricity as driving power and comprises a rotor and a stator, wherein the rotor generally comprises an iron core and a winding formed by winding on the iron core, and the winding needs insulation treatment; in the prior art, the winding on the rotor iron core of the starting motor adopts the process of coating temperature-resistant glue for aging curing after insulation paper is used for isolation, so that the volume of the starting motor is inevitably increased when the requirement of larger torque performance is met due to the large gaps of the iron cores of the starting motor; meanwhile, the solidified temperature-resistant glue on the rotor can expand or collapse due to the temperature rise of the starting motor in the actual use process, and the gap between the rotor core and the magnetic shoe of the stator is extremely small, so that the expansion or collapse can interfere with the magnetic shoe of the stator of the motor to cause the magnetic shoe to be cracked or the rotor to be stuck, and finally the motor is burnt.
Therefore, in order to solve the above problems, there is a need for an improved motor rotor, which can solve the problem of overlarge volume caused by the overlarge gap between each stage of the iron core due to the insulation paper and the temperature-resistant rubber, avoid the problem of failure caused by the expansion or collapse of the temperature-resistant rubber, reduce the failure rate of the motor, reduce the volume of the motor with the same power, reduce the complexity of manufacturing the motor, and thus reduce the manufacturing cost and prolong the service life.
Disclosure of Invention
In view of the above, an object of the present invention is to overcome the defects in the prior art, and provide a rotor, a motor and an engine, where the rotor can solve the problem of an oversize volume caused by an oversize gap between each stage of an iron core due to insulation paper and temperature-resistant rubber, avoid the problem of a fault caused by expansion or collapse of the temperature-resistant rubber, reduce the fault rate of the motor, reduce the volume of the motor with the same power, and reduce the complexity of manufacturing the motor, thereby reducing the manufacturing cost and prolonging the service life.
According to the rotor, at least the winding of the iron core of the rotor is sprayed with the insulating layer, and the insulating material of the insulating layer can withstand the set temperature, wherein the set temperature refers to the highest temperature which can be generated by the operation of a motor, so that the insulating layer is prevented from being damaged; the insulating layer spraying comprises a plurality of spraying processes, including direct drying and solidification forming after spraying, and also comprises adhesion and solidification forming after direct high-temperature baking after spraying, which is not described herein again; furthermore, the insulating layer material needs to have a predetermined strength after curing to fix the winding.
Further, the insulating layer is formed by spraying powdery insulating material and solidifying at high temperature, and the powdery insulating material has the characteristic of solidifying at a specific temperature after being melted at high temperature; in the process, the powder material is sprayed at a required position by utilizing high temperature, the powder material is melted by the high temperature, the melted powder particles are connected into a whole, and the powder material is solidified on the sprayed surface when the powder material is cooled to a specific temperature (the specific temperature can be understood as the melting temperature of the solidified material, which is different according to different materials, but the specific temperature of the material is higher than the limit high temperature of the motor during operation when the powder material is applied to the motor of the invention); the whole process is simple, the working efficiency is high, and the problems such as falling-off and the like cannot occur easily.
Further, the insulating layer is also sprayed on the iron core to form comprehensive insulation and protection, so that operation faults are prevented.
Furthermore, the powdery insulating material is epoxy resin powder, has relatively proper tolerance temperature, can be suitable for a motor rotor, and has good material economy.
Furthermore, the powdery insulating material is sprayed in an electrostatic spraying mode, the spraying thickness is 0.8-2.5mm, and the preferable range of the winding position and the iron core position is generally controlled within 1-2mm, so that the aim of the invention can be achieved.
Furthermore, an insulating ring is sleeved outside the wire end fixing position of the rotor winding, and the wire end fixing position is restrained by the insulating ring, so that short circuit and operation fault caused by falling off are avoided.
Further, the insulating ring is made of a heat-shrinkable material, and is sleeved at the wire end fixing position of the rotor winding in a shrinkage manner through high-temperature baking, so that the insulating ring is sleeved at the wire end fixing position of the rotor winding in a certain pre-tightening manner; the heat-shrinkable material is used for the motor rotor, so that the heat-shrinkable material has the requirement on the temperature resistance of the material after being subjected to heat shrinkage and being tightly sleeved at the wire end fixing position of the rotor winding, namely the material needs to be higher than the limit high temperature at the position, has the characteristics of high temperature resistance and corrosion resistance, and is favorable for ensuring that the wire end cannot fall off; meanwhile, the outer sleeve at the position is formed by the thermal shrinkage material, so that the thermal shrinkage sleeve has the compact characteristic when being heated and tightened, can prevent external dust and the like from entering, and has a better protection effect.
Furthermore, the thermoplastic material is a glass fiber resin compound with the tolerance temperature of not lower than 180 ℃, and has a good thermal shrinkage effect and a good curing effect.
The invention also discloses a motor which comprises a stator and a rotor, wherein the rotor adopts the rotor.
Further, the motor is the starter motor of engine, is applicable to the inside use of engine, reduces the engine and occupies the volume, further does benefit to the engine lightweight.
The invention also discloses an engine, and the starting motor of the engine is the motor disclosed by the invention.
The invention has the beneficial effects that: according to the rotor, the motor and the engine disclosed by the invention, the rotor insulation and reinforcement of the motor are formed by spraying the insulating material, the insulation thickness is greatly reduced, the problem of overlarge size caused by overlarge gaps among all levels of an iron core due to insulating paper and temperature-resistant rubber in the prior art can be solved, and the expansion or collapse of the temperature-resistant rubber is avoided, so that the fault problem that the motor burns out due to the interference of the expansion or collapse with a magnetic shoe of a motor stator to cause the breakage of the magnetic shoe or the blockage of the rotor is avoided, the fault rate of the motor is reduced, the size of the motor with the same power is reduced, the complexity of manufacturing the motor is reduced, the manufacturing cost is reduced, and the service life is prolonged.
Drawings
The invention is further described below with reference to the following figures and examples:
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged view of fig. 1A.
Detailed Description
Fig. 1 is a schematic structural diagram of the present invention, and as shown in the figure, the rotor of the present invention has an insulation layer sprayed on at least a winding 201 of a core 202 of the rotor 2, and an insulation material of the insulation layer can endure a set temperature, which is the highest temperature that can be generated by the motor operation, so as to ensure that the insulation layer is not damaged; the insulating layer spraying comprises a plurality of spraying processes, including direct drying and solidification forming after spraying, and also comprises adhesion and solidification forming after direct high-temperature baking after spraying, which is not described herein again; furthermore, the insulating layer material needs to have a predetermined strength after curing to fix the winding.
In the embodiment, the insulating layer is formed by spraying a powdery insulating material and solidifying at a high temperature, and the powdery insulating material has the characteristic of solidifying at a specific temperature after being melted at the high temperature; in the process, the powder material is sprayed at a required position by utilizing high temperature, the powder material is melted by the high temperature, the melted powder particles are connected into a whole, and the powder material is solidified on the sprayed surface when the powder material is cooled to a specific temperature (the specific temperature can be understood as the melting temperature of the solidified material, which is different according to different materials, but the specific temperature of the material is higher than the limit high temperature of the motor during operation when the powder material is applied to the motor of the invention); the whole process is simple, the working efficiency is high, and the problems such as falling-off and the like cannot occur easily.
In this embodiment, the insulating layer is further sprayed on the iron core 202 to form overall insulation and protection, thereby preventing operation failure.
In this embodiment, the powdery insulating material is epoxy powder, has suitable temperature tolerance relatively, can be applicable to electric motor rotor, and simultaneously, material economy is better.
In the embodiment, the powdery insulating material is sprayed in an electrostatic spraying manner, the spraying thickness is 0.8-2.5mm, and the preferable range of the winding position and the iron core position is generally controlled within 1-2mm, so that the purpose of the invention can be achieved.
In the embodiment, the insulation ring 4 is sleeved outside the wire end fixing part 3 of the rotor winding, and the insulation ring 4 is used for forming radial constraint on the wire end fixing part, so that short circuit and operation faults caused by falling of the winding due to centrifugal force are avoided; this structure and aforementioned insulating layer form fixed to the wire winding jointly, avoid one to drop or become flexible to lead to the not hard up or drop of another department, form fixed to the wire winding on the whole to improve wire winding's whole fixed strength greatly.
In this embodiment, the insulating ring 4 is made of a heat-shrinkable material, and is wrapped around the end of wire fixing portion 3 of the rotor winding, and then is baked at a high temperature to shrink the end of wire fixing portion 3 wrapped around the rotor winding, so that the insulating ring has a certain pre-tightening force to be wrapped around the end of wire fixing portion 3 of the rotor winding; the heat-shrinkable material is used for the motor rotor, so that the heat-shrinkable material has the requirement on the temperature resistance of the material after being subjected to heat shrinkage and being tightly sleeved at the wire end fixing position of the rotor winding, namely the material needs to be higher than the limit high temperature at the position, has the characteristics of high temperature resistance and corrosion resistance, and is favorable for ensuring that the wire end cannot fall off; meanwhile, the outer sleeve at the position is formed by the thermal shrinkage material, so that the thermal shrinkage sleeve has the compact characteristic when being heated and tightened, can prevent external dust and the like from entering, and has a better protection effect.
In the embodiment, the thermoplastic material is a glass fiber resin compound with the tolerance temperature of not lower than 180 ℃, and has a good thermal shrinkage effect and a good curing effect.
In this embodiment, the glass fiber resin composite comprises 20-30% of Glass Fiber (GF) and 70-80% of epoxy resin (E-51) by mass fraction, preferably 25% of glass fiber and 75% of epoxy resin; the intensity after the fine resin compound of glass of this ratio can guarantee the pyrocondensation all has better tolerance effect to centrifugal force and high temperature to guarantee the steadiness of the wire winding joint of rotor, reduce the rotor fault rate.
The invention also discloses a motor which comprises a stator 1 and a rotor 2, wherein the stator is provided with the magnetic shoe 101, and the rotor adopts the rotor 2 of the embodiment of the invention.
In this embodiment, the motor is the starter motor of engine, is applicable to the inside use of engine, reduces the engine and occupies the volume, further does benefit to the engine lightweight.
The invention also discloses an engine, and the starting motor of the engine is the motor disclosed by the invention.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (12)
1. A rotor, characterized by: and spraying an insulating layer on at least a winding of the iron core of the rotor, wherein the insulating material of the insulating layer can resist a set temperature.
2. The rotor of claim 1, wherein: the insulating layer is formed by spraying powdery insulating material and solidifying at high temperature, and the powdery insulating material has the characteristic of solidifying at a specific temperature after being melted at high temperature.
3. The rotor of claim 1, wherein: the insulating layer is also sprayed on the iron core.
4. A rotor according to claim 2 or 3, wherein: the powdery insulating material is epoxy resin powder.
5. The rotor of claim 4, wherein: the powdery insulating material is sprayed in an electrostatic spraying mode, and the spraying thickness is 0.8-2.5 mm.
6. The rotor of claim 4, wherein: the sprayed powder insulating material is baked at a high temperature of 160-200 ℃ for about 2 hours.
7. The rotor of claim 1, wherein: and an insulating ring is sleeved outside the wire end fixing part of the rotor winding.
8. The rotor of claim 7, wherein: the insulating ring is made of a heat-shrinkable material, and is sleeved on the wire end fixing position of the rotor winding and then is shrunk by high-temperature baking.
9. The rotor of claim 8, wherein: the thermoplastic material is a glass fiber resin compound with the tolerance temperature of not less than 180 ℃.
10. An electric machine comprising a stator and a rotor, characterized in that: the rotor is the rotor of any one of claims 1 to 9.
11. The electric machine of claim 10, wherein: the motor is a starting motor of the engine.
12. An engine, characterized in that: the starter motor for the engine is the motor according to claim 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911260541.7A CN110808647A (en) | 2019-12-10 | 2019-12-10 | Rotor, motor and engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911260541.7A CN110808647A (en) | 2019-12-10 | 2019-12-10 | Rotor, motor and engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110808647A true CN110808647A (en) | 2020-02-18 |
Family
ID=69492973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911260541.7A Pending CN110808647A (en) | 2019-12-10 | 2019-12-10 | Rotor, motor and engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110808647A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03256545A (en) * | 1990-03-05 | 1991-11-15 | Fuji Electric Co Ltd | Coil end fixing device for rotor coil |
| CN1933291A (en) * | 2005-09-16 | 2007-03-21 | 新韩精密工业株式会社 | Motor rotor having insulator including glass fiber |
| CN101227124A (en) * | 2007-11-29 | 2008-07-23 | 常州市东南电器电机有限公司 | Insulating treatment method for motorcycle starting motor rotor |
| CN205610376U (en) * | 2015-12-28 | 2016-09-28 | 卧龙电气南阳防爆集团股份有限公司 | Electric motor rotor lead fixed structure |
| CN206237255U (en) * | 2016-12-01 | 2017-06-09 | 上海光裕汽车空调压缩机股份有限公司 | Electric compressor motor |
-
2019
- 2019-12-10 CN CN201911260541.7A patent/CN110808647A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03256545A (en) * | 1990-03-05 | 1991-11-15 | Fuji Electric Co Ltd | Coil end fixing device for rotor coil |
| CN1933291A (en) * | 2005-09-16 | 2007-03-21 | 新韩精密工业株式会社 | Motor rotor having insulator including glass fiber |
| CN101227124A (en) * | 2007-11-29 | 2008-07-23 | 常州市东南电器电机有限公司 | Insulating treatment method for motorcycle starting motor rotor |
| CN205610376U (en) * | 2015-12-28 | 2016-09-28 | 卧龙电气南阳防爆集团股份有限公司 | Electric motor rotor lead fixed structure |
| CN206237255U (en) * | 2016-12-01 | 2017-06-09 | 上海光裕汽车空调压缩机股份有限公司 | Electric compressor motor |
Non-Patent Citations (1)
| Title |
|---|
| 陈康生编著: "《现代模型飞机制作工艺》", 31 December 2010, 航空工业出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Widmer et al. | Solar plane propulsion motors with precompressed aluminum stator windings | |
| KR900002693B1 (en) | Dynamo electric machine stator wedge | |
| CN101243594A (en) | Capacitor motor and process for producing the same | |
| JP7263549B2 (en) | Transformer and processing process of transformer | |
| JPS6245649B2 (en) | ||
| JP5229384B2 (en) | Stator and stator manufacturing method | |
| KR0128378B1 (en) | Commutator | |
| US7170206B2 (en) | Method for the production of a rotor for an electric turning machine | |
| CN205017137U (en) | Slot wedge, plastic envelope stator and plastic envelope motor | |
| CN205017175U (en) | Machine in plastic envelope motor, plastic envelope stator and air conditioning | |
| CN110808647A (en) | Rotor, motor and engine | |
| US2473842A (en) | Dynamoelectric machine field coil | |
| CN111313590A (en) | Rotor, motor and engine capable of preventing winding from loosening | |
| WO2016192092A1 (en) | Novel high-power annular reactor and manufacturing method therefor | |
| JP2012023958A (en) | Device for connecting power cable to appliance member | |
| CN112688497A (en) | Insulation repairing method for contact part of motor end ring and fixed seat | |
| JP2010098182A (en) | Method of manufacturing coil component, and the coil component | |
| CN220672375U (en) | High-voltage winding | |
| JPH01138936A (en) | Manufacture of induction motor stator | |
| JP2005322800A (en) | Dust core and its manufacturing method | |
| JP4069560B2 (en) | Winding of rotating electrical machine | |
| JP2535125Y2 (en) | Dust proof device at end of current collector ring | |
| CN101369752A (en) | Generator rotor and production method thereof | |
| JPS5932344A (en) | Assembly of rotor for revolving-field type ac generator | |
| CN204732988U (en) | A kind of rotor for auto starter part |
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 | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200218 |
|
| WD01 | Invention patent application deemed withdrawn after publication |