CN207625413U - A kind of integrated form permanent magnetism compound machine - Google Patents
A kind of integrated form permanent magnetism compound machine Download PDFInfo
- Publication number
- CN207625413U CN207625413U CN201721723778.0U CN201721723778U CN207625413U CN 207625413 U CN207625413 U CN 207625413U CN 201721723778 U CN201721723778 U CN 201721723778U CN 207625413 U CN207625413 U CN 207625413U
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- China
- Prior art keywords
- rotor
- permanent magnetism
- rectangular channel
- stator
- stator core
- 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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- 150000001875 compounds Chemical class 0.000 title claims abstract description 27
- 230000005389 magnetism Effects 0.000 title claims abstract description 24
- 238000004804 winding Methods 0.000 claims abstract description 21
- 239000002131 composite material Substances 0.000 claims abstract description 15
- 229910000976 Electrical steel Inorganic materials 0.000 claims abstract description 6
- 239000000696 magnetic material Substances 0.000 claims description 3
- 230000035699 permeability Effects 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 230000005291 magnetic effect Effects 0.000 description 17
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005405 multipole Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Iron Core Of Rotating Electric Machines (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
The utility model discloses a kind of integrated form permanent magnetism compound machines, including field frame assembly and rotor assembly.The field frame assembly includes stator core and stator winding；The silicon steel plate stacking that the stator core is insulated by two sides forms, and the identical composite slot of shape is uniformly distributed circumferentially in stator core；The composite slot is made of one " rectangular channel " and multiple " type grooves "；The rectangular channel one side is communicated with multiple type grooves, another side is communicated with the air gap between field frame assembly and rotor assembly；The number of the rectangular channel is equal to the sum of the number of pole-pairs of the stator winding number of pole-pairs and p-m rotor.Since the composite slot of the stator core of the utility model is " rectangular channel+several type grooves ", have the advantages that number of stator slots is not limited by transmission ratio variation, and the 10 extremely above large number of poles permanent magnetism compound machines were both can be made into, 10 small number of poles permanent magnetism compound machines extremely below are may be made as, the application range of the permanent magnetism compound machine using magnetic-field modulation-type structure is expanded.
Description
Technical field
It is especially a kind of by concentric type permanent magnet gear and magneto collection the utility model is related to a kind of permanent magnetism compound machine
The permanent magnetism compound machine being integrally formed.
Background technology
Existing compound machine is to integrate concentric type magnetic gear with permanent magnet synchronous motor, makes it can speed governing
It again can speed change.
There are many forms for existing compound machine, but quovis modo, mechanical structure are three layers of permanent magnet and three
Layer air gap is constituted；Its common drawback is：(1) permanent magnet dosage is big；Magnetic field between (2) three layers of air gap intercouples, magnetic field point
Cloth is complicated, and design and manufacture are difficult.
Chinese patent CN201711191159.6 proposes a kind of permanent-magnet variable-speed motor, by the three of traditional permanent magnetism compound machine
Layer permanent magnet and three layers of air gap are reduced to one layer；A large amount of permanent magnets have not only been saved, but also have been formed by product and existing permanent magnetism
Motor is identical, and processing and assembly are simple and practicable compared with traditional structure.
But the composite slot described in the patent is made of one " rectangular channel "+one " type groove ", and slot number is equal to stator winding
The number of pole-pairs of number of pole-pairs+p-m rotor；Since number of stator slots is usually more in motor, and stator winding and p-m rotor is extremely right
Number is less, therefore this compound slot structure described in the patent is only applicable to the 10 extremely above multipole permanent magnetism compound machines；In addition,
Since the variable speed electric motors, particularly described in the patent is mutually combined into permanent magnet synchronous motor by concentric type permanent magnet gear, also in compliance with same
The gear ratio calculation rule of core type permanent magnet gear, i.e. its transmission ratio are equal to the number of pole-pairs of the number of pole-pairs and stator winding of p-m rotor
The ratio between, also due to the relationship of its " number of stator slots is equal to the number of pole-pairs of stator winding number of pole-pairs+p-m rotor ", limits transmission
The variation of ratio.
Utility model content
To solve the above problem existing for Chinese patent (a kind of permanent-magnet variable-speed motor), the purpose of this utility model is to provide
The 10 extremely above electrical machine with large number of poles not only may be implemented in a kind of integrated form permanent magnetism compound machine, but also it is extremely following to can also be achieved 10
Small pole count machine；In addition, the transmission ratio variation of the compound machine is also unrestricted.
In order to achieve the above objectives, the utility model adopts the following technical solution：
A kind of integrated form permanent magnetism compound machine, including field frame assembly and rotor assembly.
The field frame assembly includes stator core and stator winding；The silicon steel sheet that the stator core is insulated by two sides
It is overrided to form, the identical composite slot of shape is uniformly distributed circumferentially in stator core；The composite slot is by " a rectangle
Slot " and multiple " type grooves " are constituted；The described rectangular channel one side communicates with multiple type grooves, another side and field frame assembly and rotor assembly
Between air gap communicate；The number of the rectangular channel be equal to the stator winding number of pole-pairs and p-m rotor number of pole-pairs it
With；The stator winding is wound in the type groove of stator core.
The rotor assembly includes power output shaft, permanent magnet and rotor core.
The silicon steel sheet or permeability magnetic material that the rotor core is insulated by two sides are made；In being provided at the axle center of rotor core
Heart hole；It is provided with the permanent magnet type groove being uniformly distributed circumferentially at rotor core outer circle, for placing simultaneously fixed permanent magnet；Turn
The centre bore of sub- iron core is sleeved on by key connecting or interference fit type on power output shaft.
Further, the permanent magnet is shoe or rectangle, is mounted at the permanent-magnet type slot of rotor core.
Further, the power output shaft passes through key connecting mode or interference fit connecting mode and rotor core phase
Connection.
Further, the composite slot is made of a rectangular channel and 3-9 " type groove ", the center line and stator of type groove
Iron core radial line is conllinear.
Compared with prior art, the utility model has the advantages that：
Since the composite slot of the stator core of the utility model is " rectangular channel+several type grooves ", there is number of stator slots not
The advantages of being limited by transmission ratio variation, and the 10 extremely above large number of poles permanent magnetism compound machines had both been can be made into, it may be made as 10 poles
Small number of poles permanent magnetism compound machine below, expands the application range of the permanent magnetism compound machine using magnetic-field modulation-type structure.
Description of the drawings
Fig. 1 is the structure diagram (being only cross-sectional view) of the utility model.
Fig. 2 is the compound slot structure schematic diagram of the utility model.
In figure：1, stator core；2, stator winding；3, rotor core；4, permanent magnet；5, power output shaft.
Specific implementation mode
The utility model is further described below in conjunction with the accompanying drawings.As shown in Figs. 1-2, a kind of integrated form permanent magnetism is compound
Motor, including field frame assembly and rotor assembly.
The field frame assembly includes stator core 1 and stator winding 2；The silicon that the stator core 1 is insulated by two sides
Steel disc is overrided to form, and the identical composite slot of shape is uniformly distributed circumferentially in stator core 1；The composite slot is by one
" rectangular channel " and multiple " type grooves " is constituted；The described rectangular channel one side communicates with multiple type grooves, another side and field frame assembly and turns
Air gap between sub- assembly communicates；The number of the rectangular channel is equal to 2 number of pole-pairs of stator winding and p-m rotor
The sum of number of pole-pairs；The stator winding 2 is wound in the type groove of stator core 1.
The rotor assembly includes power output shaft 5, permanent magnet 4 and rotor core 3.
The silicon steel sheet or permeability magnetic material that the rotor core 3 is insulated by two sides are made；It is provided at the axle center of rotor core 3
Centre bore；It is provided with the permanent magnet type groove being uniformly distributed circumferentially at 3 outer circle of rotor core, for placing simultaneously fixed permanent magnet
4；The centre bore of rotor core 3 is sleeved on by key connecting or interference fit type on power output shaft 5.
Further, the permanent magnet 4 is shoe or rectangle, is mounted at the permanent-magnet type slot of rotor core 3.
Further, the power output shaft 5 passes through key connecting mode or interference fit connecting mode and rotor core 3
It is connected.
Further, the composite slot is made of a rectangular channel and 3-9 " type groove ", the center line and stator of type groove
1 radial line of iron core is conllinear.
The operation principle of the utility model is as follows：
The utility model, which becomes one concentric type permanent magnet gear and magneto, constitutes permanent magnetism compound machine, including fixed
There are one layer of even air gaps between sub- assembly and rotor assembly, wherein field frame assembly and rotor assembly.
The stator winding 2 of the utility model generates rotating excitation field when being passed through alternating current, and forms number of magnetic pole pairs；Due to fixed
The composite slot of sub- iron core 1 is " rectangular channel+several type grooves ", and rectangular channel therein is non-magnetic, it acts as every magnetic, and and rectangle
Slot it is adjacent be then the prodigious stator core 1 of magnetic conductivity, therefore rectangular channel is played with adjacent stator core 1 to stator winding
2 and permanent magnet 4 carry out magnetic conduction or non-magnetic adjustable magnetic effect, effect and the adjustable magnetic ring phase in existing concentric type permanent magnet gear
It together, can be by the air gap caused by permanent magnet 4 in air-gap field caused by stator winding in the utility model 2 and rotor assembly
Magnetic field is mutually matched and couples：The rotating excitation field that i.e. stator winding 2 generates, harmonic field is formed by after adjustable magnetic acts on can be with
The fundamental wave magnetic field that permanent magnet 4 is formed in rotor assembly matches, and forms certain transmission ratio.
It is high speed rotor that the utility model, which has less number of magnetic pole pairs, conversely, being then low speed rotor；I.e. in rotor assembly
If the number of magnetic pole pairs that permanent magnet 4 is formed, which are less than when stator winding 2 is powered, is formed by number of magnetic pole pairs, the permanent magnetism compound machine
For speedup motor；Conversely, being then decelerating motor.
The utility model is not limited to the present embodiment, any equivalent concepts in the technical scope that the utility model discloses
Or change, it is classified as the scope of protection of the utility model.
Claims (4)
1. a kind of integrated form permanent magnetism compound machine, including field frame assembly and rotor assembly；
It is characterized in that：The field frame assembly includes stator core (1) and stator winding (2)；The stator core (1) by
The silicon steel plate stacking of two sides insulation forms, and the identical composite slot of shape is uniformly distributed circumferentially in stator core (1)；Described
Composite slot is made of one " rectangular channel " and multiple " type grooves "；The described rectangular channel one side communicates with multiple type grooves, another side with
Air gap between field frame assembly and rotor assembly communicates；It is extremely right that the number of the rectangular channel is equal to the stator winding (2)
The sum of the number of pole-pairs of number and p-m rotor；The stator winding (2) is wound in the type groove of stator core (1)；
The rotor assembly includes power output shaft (5), permanent magnet (4) and rotor core (3)；
The silicon steel sheet or permeability magnetic material that the rotor core (3) is insulated by two sides are made；It is provided at the axle center of rotor core (3)
Centre bore；It is provided with the permanent magnet type groove being uniformly distributed circumferentially at rotor core (3) outer circle, for placing and fixing permanent magnetism
Body (4)；The centre bore of rotor core (3) is sleeved on by key connecting or interference fit type on power output shaft (5).
2. a kind of integrated form permanent magnetism compound machine according to claim 1, it is characterised in that：The permanent magnet (4) is
Shoe or rectangle are mounted at the permanent-magnet type slot of rotor core (3).
3. a kind of integrated form permanent magnetism compound machine according to claim 1, it is characterised in that：The power output shaft
(5) it is connected with rotor core (3) by key connecting mode or interference fit connecting mode.
4. a kind of integrated form permanent magnetism compound machine according to claim 1, it is characterised in that：The composite slot is by one
Rectangular channel and 3-9 " type groove " are constituted, and the center line of type groove is conllinear with stator core (1) radial line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721723778.0U CN207625413U (en) | 2017-12-12 | 2017-12-12 | A kind of integrated form permanent magnetism compound machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721723778.0U CN207625413U (en) | 2017-12-12 | 2017-12-12 | A kind of integrated form permanent magnetism compound machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207625413U true CN207625413U (en) | 2018-07-17 |
Family
ID=62823178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721723778.0U Expired - Fee Related CN207625413U (en) | 2017-12-12 | 2017-12-12 | A kind of integrated form permanent magnetism compound machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207625413U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107834799A (en) * | 2017-12-12 | 2018-03-23 | 大连交通大学 | A kind of integrated form permanent magnetism compound machine |
-
2017
- 2017-12-12 CN CN201721723778.0U patent/CN207625413U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107834799A (en) * | 2017-12-12 | 2018-03-23 | 大连交通大学 | A kind of integrated form permanent magnetism compound machine |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180717 |