CN204681186U - A kind of novel brushless dual-feed motor - Google Patents
A kind of novel brushless dual-feed motor Download PDFInfo
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- CN204681186U CN204681186U CN201520302962.2U CN201520302962U CN204681186U CN 204681186 U CN204681186 U CN 204681186U CN 201520302962 U CN201520302962 U CN 201520302962U CN 204681186 U CN204681186 U CN 204681186U
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- 238000004804 winding Methods 0.000 claims abstract description 109
- 230000005405 multipole Effects 0.000 claims abstract description 30
- 238000004080 punching Methods 0.000 claims abstract description 13
- 239000010445 mica Substances 0.000 claims description 18
- 229910052618 mica group Inorganic materials 0.000 claims description 18
- 238000009413 insulation Methods 0.000 claims description 11
- 229920004933 Terylene® Polymers 0.000 claims description 4
- 150000002466 imines Chemical class 0.000 claims description 4
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 abstract description 6
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 238000003786 synthesis reaction Methods 0.000 abstract description 3
- 239000004020 conductor Substances 0.000 description 3
- 239000004922 lacquer Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004534 enameling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Windings For Motors And Generators (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
The utility model discloses a kind of novel brushless dual-feed motor, comprise stator, rotor, rotating shaft and controller, described stator is provided with main winding and auxiliary winding, described main winding is connected with AC power, described auxiliary winding is connected with power supply source through described controller, described rotor is formed by stacking by some rotor punchings, described rotor punching has 4 salient poles, described 4 salient poles are distributed in rotor punching circumferentially symmetrically, described salient pole offers central channel and side channel, described side channel is arranged on the both sides of described central channel symmetrically; Described rotor is provided with multipole multiturn short-circuited winding, and described multipole multiturn short-circuited winding is nested in described central channel.The utility model not only can improve the performance of brushless dual-feed motor in supersynchronous wide speed regulating range, and the control of low pressure auxiliary winding to high pressure main winding can be realized, reduce the electric pressure of auxiliary winding current transformer, thus improve system reliability and reduce system synthesis originally.
Description
Technical field
The utility model relates to machine field, particularly a kind of novel brushless dual-feed motor.
Background technology
Brushless dual-feed motor is made up of motor body and driver, is a kind of typical electromechanical integrated product.Existing brushless dual-feed motor, rotor main will adopt cage-type rotor, reluctance type and mixed rotor structure.Because cage type rotor structure is easy to manufacture, be widely used in brushless dual-feed motor.Although cage-type rotor brushless dual-feed motor structure is simple, runnability is not ideal enough, and the poor-performing particularly in supersynchronous wide speed regulating range, makes range of application be limited to.In addition, the main winding of existing brushless dual-feed motor and the electric pressure of auxiliary winding basically identical, be difficult to be applicable to high voltage occasion.For the problems referred to above, electromagnetic coupled relation when the utility model is by working to stator main winding, stator auxiliary winding and rotor windings is optimized design, propose a kind of brushless dual-feed motor with multiturn short circuited rotor winding construction, and realize the control of low pressure auxiliary winding to high pressure main winding.
Utility model content
The purpose of this utility model is the defect overcoming above-mentioned prior art, provides a kind ofly to improve the performance of brushless dual-feed motor in supersynchronous wide speed regulating range, and realizes the novel brushless dual-feed motor of low pressure auxiliary winding to the control of high pressure main winding.
Concrete technical scheme of the present utility model is achieved in that a kind of novel brushless dual-feed motor, comprise stator, rotor, rotating shaft and controller, described stator is provided with main winding and auxiliary winding, described main winding is connected with AC power, described auxiliary winding is connected with power supply source through described controller, described rotor is formed by stacking by some rotor punchings, described rotor punching has 4 salient poles, described 4 salient poles are distributed in rotor punching circumferentially evenly and at intervals, described salient pole offers central channel and side channel, described side channel is arranged on the both sides of described central channel symmetrically, containing multipole multiturn short-circuited winding in described rotor, described multipole multiturn short-circuited winding is nested in described rotor center groove.
Particularly, described central channel is identical with the width of side channel.
Further, described multipole multiturn short-circuited winding is by multiply enamelled wire around to forming, and the layering of described multipole multiturn short-circuited winding is two-layer to be positioned in described central channel.
Further, the second layer of the multipole multiturn short-circuited winding in the ground floor of the multipole multiturn short-circuited winding in arbitrary central channel and its central channel adjacent is clockwise end to end, makes whole multipole multiturn short-circuited winding form the syndeton of self short circuit.
Particularly, described multipole multiturn short-circuited winding is 4 extremely some circle short-circuited windings.
Further, described stator comprises main winding, auxiliary winding and stator slot, and described main winding is arranged on the bottom of described stator slot, and described auxiliary winding is arranged on the top of described stator slot.
Particularly, described main winding is 2 ~ 6 poles, the power frequency supply of its external 220V ~ 30 kV/50Hz, power bracket 2.2kW ~ 30000kW.
Particularly, described auxiliary winding is 2 ~ 12 poles, and its mode of connection is that Y or Δ type connect, and coil spread is 1-11, the output of its external low volage current transformer.
Further, described main winding straight line insulation adopts half-stack package some layers of mica paper tape 449-1, mixing half-stack package mica paper tape 449-1 and each some layers of imines film strip.
Further, the insulation of described auxiliary winding straight line adopts half-stack package some layers of mica paper tape 446-1A, overlaps 2mm again and wrap 1 layer of terylene silk ribbon.
Compared with prior art, the utility model adopts 2 ~ 6 pole main windings and 2 ~ 12 pole auxiliary winding, and described main winding is arranged on the bottom of stator mounting groove, and described auxiliary winding is arranged on the top of stator mounting groove; Rotor windings of the present utility model adopts the 4 double-deck pole multiturn short-circuited windings, not only can improve the performance of brushless dual-feed motor in supersynchronous wide speed regulating range, and the control of low pressure auxiliary winding to high pressure main winding can be realized, reduce the electric pressure of auxiliary winding current transformer, thus improve system reliability and reduce system synthesis originally.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of novel brushless dual-feed motor of the utility model.
Fig. 2 is the structural representation of the utility model rotor.
Fig. 3 is the sectional view of multipole multiturn short-circuited winding in the utility model.
Fig. 4 is the structural representation of stator in the utility model.
Fig. 5 is the sectional view of stator slot in the utility model.
Each component names in figure: stator-1, rotor-2, controller-3, AC power-4, salient pole-5, central channel-6, side channel-7, multipole multiturn short-circuited winding-8, main winding-11, auxiliary winding-12, stator slot-13.
Embodiment
Below in conjunction with accompanying drawing, concrete case study on implementation of the present utility model is illustrated:
Fig. 1 is the structural representation of a kind of novel brushless dual-feed motor of the utility model, and wherein 1 is motor stator, and 2 is rotor, and 3 is controller, and 4 is AC power.Placed 2 in core slots in motor stator 1 and overlap independently symmetric winding, main winding outlet terminal A1, B1, C1 represent, auxiliary winding outlet terminal A2, B2, C2 represent.The annexation of winding is: the outlet terminal A1 of main winding, B1, C1 is connected with AC power 4, the outlet terminal A2 of auxiliary winding, B2, C2 is connected with AC power 4 by controller 3, and described AC power 4 adopts the power frequency supply of 220V ~ 30 kV/50Hz, power bracket 2.2kW ~ 30000kW.
As the structural representation that Fig. 2 is a slice rotor punching, described rotor 2 is formed by stacking by some rotor punchings, described rotor punching has 4 salient poles 5, described 4 salient poles 5 are distributed in rotor punching circumferentially evenly and at intervals, described salient pole 5 offers a central channel 6 and several side channels 7, in the present embodiment, the number of described side channel is 4.Described side channel 7 is arranged on the both sides of described central channel 6 symmetrically, and described central channel 6 is identical with the width of side channel 7, and the degree of depth of described central channel 6 and side channel 7 is optimized design according to Distribution of Magnetic Field demand.
The two ends of described rotor 2 are provided with multipole multiturn short-circuited winding 8, and described multipole multiturn short-circuited winding 8 is nested in described central channel 6.Described multipole multiturn short-circuited winding 8 is by multiply enamelled wire and around forming, and the layering of described multipole multiturn short-circuited winding is two-layer to be positioned in described central channel 6.Particularly, the second layer of the multipole multiturn short-circuited winding 8 in the central channel 6 that the ground floor of the multipole multiturn short-circuited winding 8 in arbitrary central channel 6 is adjacent clockwise with it is end to end, makes whole multipole multiturn short-circuited winding form the syndeton of self short circuit.In the present embodiment, described multipole multiturn short-circuited winding is 4 extremely some circle short-circuited windings, and its main specifications is: number of poles 4 pole, and the number of turn is some, and the mode of connection adopts winding self short circuit; Described multipole multiturn short-circuited winding 8 end adopts glass tape colligation and fixes, and it needs by vacuum impregnation process simultaneously.The effect of described multipole multiturn short-circuited winding improves the performance of motor in supersynchronous wide speed regulating range.
As shown in Figure 3 and Figure 4, described stator 1 comprises main winding 11, auxiliary winding 12 and stator slot 13, and described main winding 11 is arranged on the bottom of described stator slot 13, and described auxiliary winding 12 is arranged on the top of described stator slot 13.
Particularly, the main specifications of described main winding 11 is: number of poles is 2 ~ 6 poles, and its mode of connection is that Y or Δ type connect, and coil spread is 1-26, and every groove conductor number is some, adopts thin mariages individual layer imines film tack to flood flat type copper wire.
Described auxiliary winding 12 is 2 ~ 18 poles, preferably 6 poles, and its mode of connection is that Y or Δ type connect, and coil spread is 1-11, and every groove conductor number is some, preferably every groove conductor number 4, is preferably and adopts double glass fiber bag enameling copper strap wire, the output of external low volage current transformer.
Described main winding 11 straight line insulation adopts half-stack package some layers of mica paper tape 449-1, mixing half-stack package mica paper tape 449-1 and each some layers of imines film strip, again half-stack package some layers of mica paper tape 449-1, the first half-stack package of overhang insulation 1 layer of mica paper tape 449-1, mix each some layers of half-stack package mica paper tape 446-1A and mica paper tape 449-1 again, stacked package 9 layers of mica paper tape 446-1A, outer half-stack package mica paper tape 449-1 one deck in lead wire insulation.
The insulation of described auxiliary winding 12 straight line adopts half-stack package some layers of mica paper tape 446-1A, overlap 2mm again wraps 1 layer of terylene silk ribbon, overhang insulation is sandwich mixing half-stack package some layers of mica paper tape 449-1 and 1 layer mica paper tape 446-1A, again half-stack package 1 layer of terylene silk ribbon first, stacked package some layers of mica paper tape 446-1A, outer half-stack package alkali-free glass silk ribbon one deck in lead wire insulation.
When using the utility model, first bottom stator slot 13, place insulating material according to corresponding insulation standard according to the electric pressure of brushless dual-feed motor.The outlet cable of described main winding 11 and auxiliary winding 12 is connected with winding after dipping lacquer again, and cable and OT joint adopt cold weld and connect label on request.After stator built-in line, after interturn test withstand voltage test is passed through, flood 6895 solvent-free paints, dipping lacquer number of times and surface lacquer, by relevant criterion process, after motor installation, carry out visual examination and performance test by relevant GB.
The utility model adopts 2 ~ 6 pole main windings and 2 ~ 12 pole auxiliary winding, and described main winding is arranged on the bottom of stator mounting groove, and described auxiliary winding is arranged on the top of stator mounting groove; Rotor windings of the present utility model adopts the 4 double-deck pole multiturn short-circuited windings, not only can improve the performance of brushless dual-feed motor in supersynchronous wide speed regulating range, and the control of low pressure auxiliary winding to high pressure main winding can be realized, reduce the electric pressure of auxiliary winding current transformer, thus improve system reliability and reduce system synthesis originally.
Limit the scope that the utility model is implemented, the simple equivalence change namely generally done according to the utility model claim and utility model description with modify, all still belong in scope that the utility model patent contains.
Claims (10)
1. a novel brushless dual-feed motor, comprise stator, rotor, rotating shaft and controller, described stator is provided with main winding and auxiliary winding, described main winding is connected with AC power, described auxiliary winding is connected with power supply source through described controller, it is characterized in that: described rotor is formed by stacking by some rotor punchings, described rotor punching has 4 salient poles, described 4 salient poles are distributed in rotor punching circumferentially evenly and at intervals, described salient pole offers central channel and side channel, described side channel is arranged on the both sides of described central channel symmetrically; Described rotor is provided with multipole multiturn short-circuited winding, and described multipole multiturn short-circuited winding is nested in described central channel.
2. a kind of novel brushless dual-feed motor as claimed in claim 1, it is characterized in that, described central channel is identical with the width of side channel.
3. a kind of novel brushless dual-feed motor as claimed in claim 1, is characterized in that, the multipole multiturn short-circuited winding in described rotor is by multiply enamelled wire and around forming, and described multipole multiturn short-circuited winding divides two-layer being positioned in described central channel.
4. a kind of novel brushless dual-feed motor as claimed in claim 3, it is characterized in that, the second layer of the multipole multiturn short-circuited winding in the ground floor of the multipole multiturn short-circuited winding in arbitrary central channel and its central channel adjacent is clockwise end to end, makes whole multipole multiturn short-circuited winding form the syndeton of self short circuit.
5. a kind of novel brushless dual-feed motor as claimed in claim 4, is characterized in that, described multipole multiturn short-circuited winding is 4 extremely some circle short-circuited windings.
6. a kind of novel brushless dual-feed motor as claimed in claim 1, it is characterized in that, described stator comprises main winding, auxiliary winding and stator slot, and described main winding is arranged on the bottom of described stator slot, and described auxiliary winding is arranged on the top of described stator slot.
7. a kind of novel brushless dual-feed motor as claimed in claim 6, is characterized in that, described main winding is 2 ~ 6 poles, the power frequency supply of its external 220V ~ 30 kV/50Hz, power bracket 2.2kW ~ 30000kW.
8. a kind of novel brushless dual-feed motor as claimed in claim 6, is characterized in that, described auxiliary winding is 2 ~ 12 poles, and its mode of connection is that Y or Δ type connect, and coil spread is 1-11, the output of its external low volage current transformer.
9. a kind of novel brushless dual-feed motor as claimed in claim 6, is characterized in that, described main winding straight line insulation adopts half-stack package some layers of mica paper tape 449-1, mixing half-stack package mica paper tape 449-1 and each some layers of imines film strip.
10. a kind of novel brushless dual-feed motor as claimed in claim 6, is characterized in that, the insulation of described auxiliary winding straight line adopts half-stack package some layers of mica paper tape 446-1A, overlap 2mm again wraps 1 layer of terylene silk ribbon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520302962.2U CN204681186U (en) | 2015-05-12 | 2015-05-12 | A kind of novel brushless dual-feed motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520302962.2U CN204681186U (en) | 2015-05-12 | 2015-05-12 | A kind of novel brushless dual-feed motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204681186U true CN204681186U (en) | 2015-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520302962.2U Active CN204681186U (en) | 2015-05-12 | 2015-05-12 | A kind of novel brushless dual-feed motor |
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| Country | Link |
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| CN (1) | CN204681186U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104810951A (en) * | 2015-05-12 | 2015-07-29 | 广东上水能源科技有限公司 | Novel brushless doubly-fed motor |
| CN105553142A (en) * | 2016-01-29 | 2016-05-04 | 广东上水能源科技有限公司 | AC brushless dual-fed motor |
-
2015
- 2015-05-12 CN CN201520302962.2U patent/CN204681186U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104810951A (en) * | 2015-05-12 | 2015-07-29 | 广东上水能源科技有限公司 | Novel brushless doubly-fed motor |
| CN104810951B (en) * | 2015-05-12 | 2018-02-16 | 广东上水能源科技有限公司 | A kind of brushless dual-feed motor |
| CN105553142A (en) * | 2016-01-29 | 2016-05-04 | 广东上水能源科技有限公司 | AC brushless dual-fed motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231129 Address after: Q1181, Room 103, No. 137 Heguang Road, Tianhe District, Guangzhou City, Guangdong Province, 510000 Patentee after: Guangzhou Yizhi Environmental Protection Technology Co.,Ltd. Address before: Room 315, Building G, 201 Kezhu Road, Science City, Guangzhou High tech Development Zone, Guangdong Province, 510000 Patentee before: GUANGDONG SHANGSHUI ENERGY TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |