CN104682649B - Motor and its excitation part - Google Patents
Motor and its excitation part Download PDFInfo
- Publication number
- CN104682649B CN104682649B CN201510072771.6A CN201510072771A CN104682649B CN 104682649 B CN104682649 B CN 104682649B CN 201510072771 A CN201510072771 A CN 201510072771A CN 104682649 B CN104682649 B CN 104682649B
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- Prior art keywords
- motor
- pole
- rotor
- interpole
- salient pole
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- 230000005284 excitation Effects 0.000 title claims abstract description 16
- 238000004804 winding Methods 0.000 claims abstract description 64
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000002146 bilateral effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000000515 tooth Anatomy 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000003516 pericardium Anatomy 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
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- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The present invention relates to motor and its excitation parts.Motor includes stator and rotor, stator includes stator core, the n including circumferentially alternating setting main salient pole yoke portions of stator core and n interpole yoke portion, the n main salient poles to extend internally respectively from main salient pole yoke portion and interpole yoke portion and n interpole, it is tied with Exciting Windings for Transverse Differential Protection respectively on main salient pole, stator core and Exciting Windings for Transverse Differential Protection form the excitation part of motor, main field pole can be respectively formed after energization at main salient pole, auxiliary magnetic pole is respectively formed at the interpole, rotor includes rotor core and the armature winding being wound in rotor core, rotor core and armature winding form the armature portion of motor, rotor diameter and the ratio of minimum dimension outside stator core are more than 7：10.The motor of the present invention, compared to traditional general-purpose machine, magnetic circuit is improved, and in the case where obtaining identical output power, motor of the invention can reduce the material consumption of Exciting Windings for Transverse Differential Protection and iron core, so as to greatly cost-effective.
Description
Technical field
The invention belongs to the excitation parts of motor field more particularly to a kind of general-purpose machine.
Background technology
Motor generally includes two parts, and a part is referred to as excitation part and another part is referred to as armature portion, excitation
For generating active magnetic field, armature portion is used to be coupled into the conversion of row electromechanical energy with excitation part for part, when motor is electronic
During machine, armature portion output mechanical energy；When motor is generator, armature portion output electric energy.
Single-phase series motor is also referred to as general-purpose machine, is that the armature winding with commutator is connected through brush with stator excitation winding
Monophase machine, be most common type in ac commutator machine.Such motor due to rotating speed it is high, it is small, light-weight, open
Dynamic torque is big, speed governing is convenient, has series excitation characteristic, and being usually used in medical instrument, electric tool, daily-use electrical appliance etc. needs high speed, body
The driving of small, the light-weight small-power instrument of product, such as：Agitator for food-making, dust catcher, domestic sewing machine, electric drill, electric mill and other
Portable electric tool.
As shown in Figure 1A and Figure 1B, existing common bilateral two Exciting Windings for Transverse Differential Protection of single-phase series motor generally use of industry
Be wound in respectively on two salient poles, each Exciting Windings for Transverse Differential Protection forms main pole at corresponding salient pole, and two main poles polarity on the contrary,
Two main poles form magnetic loop by air gap, the armature rotor between the yoke portion on stator core both sides, two main poles and rotor.This
Sample, two Exciting Windings for Transverse Differential Protection form two main poles altogether, and magnetic circuit runs through the section of entire stator core, and magnetic circuit is longer.
Therefore, there is an urgent need for develop a kind of novel universal motor that can optimize magnetic circuit.
Invention content
In order to solve the above-mentioned technical problem, a kind of motor, including stator and the rotor being installed in stator, the stator packet
Stator core and the Exciting Windings for Transverse Differential Protection being set around in stator core are included, the stator core and Exciting Windings for Transverse Differential Protection form the excitation division of motor
Point, the rotor includes rotor core and the armature winding being wound in rotor core, and rotor core and armature winding form electricity
The armature portion of machine, armature winding are electrically connected by commutator and brush with Exciting Windings for Transverse Differential Protection, it is characterised in that：The stator core
N a main salient pole yoke portion and n interpole yoke portions including being circumferentially arranged alternately along it are respectively arranged on main salient pole yoke portion and interpole
The n in yoke portion main salient poles and n interpole are tied with one-to-one Exciting Windings for Transverse Differential Protection, Exciting Windings for Transverse Differential Protection on a main salient poles of the n respectively
The identical main field pole of n polarity can be respectively formed at the n main salient poles after energization, distinguished at the n interpole
N and the opposite polarity auxiliary magnetic pole of main field pole are formed, wherein n is the positive integer more than 1.
Further improve of the invention is：The rotor diameter and the ratio of minimum dimension outside stator core are more than 7：
10。
Further improve of the invention is：The auxiliary magnetic pole is sensing magnetic pole, and the width in the main salient pole yoke portion is small
Width in interpole yoke portion.
Further improve of the invention is：The interpole yoke portion is equipped with mounting hole to install electric motor end cap.
Further improve of the invention is：Each main salient pole is included from the radially inwardly extending neck in yoke portion, from neck
The bipolar shoe that portion is circumferentially extended along rotor, the bipolar shoe face opposite with rotor form continuous polar arc.
The present invention also provides a kind of motor excitation part, including iron core and the Exciting Windings for Transverse Differential Protection being set around on iron core, the iron
Pericardium includes the main salient pole yoke portion being circumferentially arranged alternately along it and interpole yoke portion, is respectively arranged on main salient pole yoke portion and interpole yoke portion
N main salient poles and n interpole, the Exciting Windings for Transverse Differential Protection be wound in respectively on the main salient pole, can be convex in the master after energization
The identical main field pole of polarity is formed at pole, sensing magnetic pole is formed at the interpole.
Further improve of the invention is：Each main salient pole is included from the radially inwardly extending neck of stator yoke,
The bipolar shoe of neck finish is formed in, bipolar shoe forms continuous polar arc, outside diameter of a circle where the polar arc and stator core
The ratio of portion's minimum dimension is more than 7：10.
Illustrated embodiment of the present invention has an advantageous effect in that：After Exciting Windings for Transverse Differential Protection energization between adjacent main pole and auxiliary magnetic pole
Magnetic loop can be formed, compared to traditional general-purpose machine, magnetic circuit is improved, in the case where obtaining identical power output, this hair
Bright motor can reduce the material consumption of Exciting Windings for Transverse Differential Protection and iron core, so as to greatly cost-effective.
Description of the drawings
Figure 1A show side view of the motor of a prior art along vertical axis direction；
Figure 1B show the Distribution of Magnetic Field schematic diagram of the motor of Figure 1A；
Fig. 2A show side view of the motor of one embodiment of the invention offer along vertical axis direction；
Fig. 2 B show the Distribution of Magnetic Field schematic diagram of the motor of Fig. 2A；
Fig. 3 show side view of the motor of another embodiment of the present invention offer along vertical axis direction；
Fig. 4 show side view of the motor of yet another embodiment of the invention offer along vertical axis direction.
Specific embodiment
In order to which the technical problem to be solved, technical solution and the advantageous effect that make the present invention are more clearly understood, below
With reference to accompanying drawings and embodiments, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
Only to explain the present invention, it is not intended to limit the present invention.
The motor of the present invention, including stator and the rotor being installed in stator, the stator includes stator core and winding
In the Exciting Windings for Transverse Differential Protection in stator core, the excitation part of the stator core and Exciting Windings for Transverse Differential Protection composition motor, the rotor includes
Rotor core and the armature winding being wound in rotor core, rotor core and armature winding form the armature portion of motor, electricity
Pivot winding is electrically connected by commutator and brush with Exciting Windings for Transverse Differential Protection, and the stator core includes n be circumferentially arranged alternately along it
Main salient pole yoke portion and n interpole yoke portion, the n main salient poles and n auxiliary that are respectively arranged on main salient pole yoke portion and interpole yoke portion
Pole is tied with one-to-one Exciting Windings for Transverse Differential Protection on the n main salient poles respectively, and Exciting Windings for Transverse Differential Protection can be in the n main salient poles after being powered
Place is respectively formed the identical main field pole of n polarity, and n and main field pole polarity phase are respectively formed at the n interpole
Anti- auxiliary magnetic pole, wherein n are the positive integer more than 1.
Specifically, Fig. 2A is please referred to, the single-phase 4 pole series machine that one embodiment of the invention provides includes stator 10 and rotor
50.The stator 10 includes stator core 20 and Exciting Windings for Transverse Differential Protection 30, and the stator core 20 is by most laminations along rotor axial
It stacks, including two main salient pole yoke portions 22 being circumferentially arranged alternately along it and two interpole yoke portions 24, convex from master respectively
Two main salient poles 26 that pole yoke portion 22 and interpole yoke portion 24 extend internally and two auxiliary salient poles 28, the main salient pole 26 with it is auxiliary
Salient pole 28 is helped to be alternately distributed along rotor 50 is circumferential in the outside of the iron core of rotor 50, the Exciting Windings for Transverse Differential Protection 30 is wound in described respectively
On main salient pole 26, assist not twining Exciting Windings for Transverse Differential Protection on salient pole 28.
The outer diameter of the rotor 50 is D, and the minimum dimension outside the stator 10 is that Y, D and Y meet following relationship：D/Y>
7：10.In the present invention, the outer diameter of the rotor 50 refers to the outer diameter of rotor core, and the minimum dimension outside so-called stator 10 is
Refer to the size apart from reckling in the line by 2 points of the connecting stator outer periphery of stator center.
Fig. 2 B are please referred to, the Exciting Windings for Transverse Differential Protection 30 can form field pole, and two main salient poles 26 after being powered at main salient pole 26
Place formed field pole polarity it is identical (as radially field pole the arctic all outwardly or all inwardly), the magnetic line of force is in each main magnetic
Pole, stator yoke, two adjacent auxiliary magnetic poles, air gap, rotor, rotor and main pole between adjacent two auxiliary magnetic poles and rotor
Between air gap between be formed into a loop.In this way, the Exciting Windings for Transverse Differential Protection 30 being wound on described two main salient poles 26 can be formed at main salient pole
The identical field pole of two polarity forms two sensing magnetic poles at auxiliary salient pole 28, forms 4 magnetic poles altogether.
In embodiments of the present invention, the stator core is bilateral structure, and stator yoke is closing frame-shaped construction.It is each convex
Pole 26,28 is included from the radially inwardly extending neck of stator yoke, the bipolar shoe circumferentially extended from neck along rotor, bipolar shoe
Surface far from yoke portion (opposite with rotor) forms continuous polar arc, is centered around on the outside of 50 iron core of rotor.The main salient pole yoke portion
22 width is less than the width in interpole yoke portion 24, and the distance between the end 26a and stator yoke of main 26 pole shoe of salient pole is big
Distance between the end 28a of auxiliary 28 pole shoe of salient pole and stator yoke, in this way, 26 pole shoe of main salient pole and main salient pole
Larger receiving space can be formed between yoke portion 22, to accommodate Exciting Windings for Transverse Differential Protection 30.It is to be appreciated that circumferential direction referred to herein and radial direction are wide
Circumferential direction and radial direction in justice, not directed to circle or cylindrical structure, e.g., the stator yoke in the embodiment of the present invention can be rectangular
It is or round.In the present embodiment, the outer diameter D of the rotor 50 is slightly less than diameter of a circle where the polar arc of stator salient poles 26,28, because
This, diameter of a circle where the polar arc of stator salient poles 26,28 is with the minimum dimension outside stator 10 than being also more than 7：10.It is appreciated that
Ground, the gap between main salient pole 26 and rotor core can be equal or different to the gap between auxiliary salient pole 28 and rotor core, when
When aforementioned two gap is unequal, circle refers to the smaller diameter of a circle of diameter where the polar arc of stator salient poles 26,28.
The rotor 50 includes rotor core and the armature winding (not shown) being wound on iron core, rotor core and armature
Winding forms the armature portion of motor.The rotor core includes several rotor tooths 52, and the number of rotor tooth 52 is more than stator master
The sum of number of salient pole 26 and interpole 28.The armature winding passes through commutator (not shown) and brush (not shown) and stator
Exciting Windings for Transverse Differential Protection 30 on 10 is electrically connected, and after energization, Exciting Windings for Transverse Differential Protection 30 generates magnetic field, and magnetic field passes through rotor 50, the rotor electricity of energization
Rotor 50 is driven to rotate under the magnetic fields that pivot winding is generated in Exciting Windings for Transverse Differential Protection 30.
It is to be appreciated that the interpole in the present invention, can also be non-salient pole other than it can be salient pole, when being salient pole,
On can also be around a small amount of Exciting Windings for Transverse Differential Protection, the number of turn is less than the number of turn of the Exciting Windings for Transverse Differential Protection on main salient pole, encouraging on main salient pole after energization
The magnetic winding magnetic field opposite with the Exciting Windings for Transverse Differential Protection polarization on auxiliary salient pole.Mounting hole can be set in the interpole yoke portion (such as
Shown in Fig. 2) to install electric motor end cap.
The motor of the present invention, forms magnetic loop, compared to traditional general-purpose machine, magnetic between adjacent main pole and auxiliary magnetic pole
Rood is to improving, and in the case where obtaining identical power output, motor of the invention can reduce the material of Exciting Windings for Transverse Differential Protection and iron core
Consumption, so as to greatly cost-effective.The outer diameter of the rotor and the minimum dimension of the stator exterior are more than 7：10, fixed
In the case that sub- outer diameter is certain, rotor can be caused to accomplish as far as possible greatly so as to increase the power output of motor.
Fig. 3 is please referred to Fig. 4, it is possible to understand that ground, motor of the invention may be used 3 Exciting Windings for Transverse Differential Protection formed 6 magnetic poles,
4 Exciting Windings for Transverse Differential Protection form 8 magnetic poles, n Exciting Windings for Transverse Differential Protection forms 2n magnetic pole, and wherein n is the positive integer more than 1.It is appreciated that
Ground, the shape of the stator yoke of the motor can be the different shapes such as round, rectangular.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (11)
1. a kind of motor, including stator and the rotor being installed in stator, the stator includes stator core and is set around stator
Exciting Windings for Transverse Differential Protection on iron core, the stator core and Exciting Windings for Transverse Differential Protection form the excitation part of motor, and the rotor includes rotor iron
The heart and the armature winding being wound in rotor core, rotor core and armature winding form the armature portion of motor, armature winding
It is electrically connected by commutator and brush with Exciting Windings for Transverse Differential Protection, it is characterised in that：The stator core includes being arranged alternately along its circumferential direction
N main salient pole yoke portions and n interpole yoke portion, be respectively arranged on main salient pole yoke portion and the n main salient poles and n in interpole yoke portion are a
Interpole is tied with one-to-one Exciting Windings for Transverse Differential Protection on the n main salient poles respectively, and Exciting Windings for Transverse Differential Protection can be in the n master after being powered
The identical main field pole of n polarity is respectively formed at salient pole, n and main field pole pole are respectively formed at the n interpole
Property opposite auxiliary magnetic pole, wherein n is the positive integer more than 1, and magnetic is formed between the adjacent main field pole and the auxiliary magnetic pole
Circuit.
2. motor as described in claim 1, it is characterised in that：The ratio of minimum dimension outside the rotor diameter and stator core
Value is more than 7: 10.
3. motor as claimed in claim 1 or 2, it is characterised in that：The auxiliary magnetic pole is senses magnetic pole, the main salient pole yoke
The width in portion is less than the width in interpole yoke portion.
4. motor as claimed in claim 1 or 2, it is characterised in that：Each main salient pole and interpole all include one along rotor week
To the polar arc of extension.
5. motor as claimed in claim 3, it is characterised in that：The interpole yoke portion is equipped with mounting hole to install motor
End cap.
6. motor as described in claim 1, it is characterised in that：Each main salient pole includes radially inward prolonging from main salient pole yoke portion
The neck stretched, the bipolar shoe circumferentially extended from neck along rotor, the bipolar shoe face opposite with rotor form continuous polar arc.
7. motor as claimed in claim 1 or 2, it is characterised in that：The auxiliary extremely salient pole.
8. motor as claimed in claim 6, it is characterised in that：Exciting Windings for Transverse Differential Protection is wound on the interpole, the number of turn is less than master
The number of turn of Exciting Windings for Transverse Differential Protection on salient pole.
9. motor as claimed in claim 1 or 2, it is characterised in that：N is equal to 2,3 or 4.
10. a kind of motor excitation part, including iron core and the Exciting Windings for Transverse Differential Protection being set around on iron core, it is characterised in that：The iron core
Including the main salient pole yoke portion being circumferentially arranged alternately along it and interpole yoke portion, it is respectively arranged on main salient pole yoke portion and interpole yoke portion
N main salient poles and n interpole, the Exciting Windings for Transverse Differential Protection are wound in respectively on the main salient pole, can be in the main salient pole after energization
Place forms the identical main field pole of polarity, and sensing magnetic pole, the adjacent main field pole and the sense are formed at the interpole
It answers and forms magnetic loop between magnetic pole.
11. motor excitation part as claimed in claim 10, it is characterised in that：Each main salient pole is included from stator yoke along diameter
To the neck to extend internally, the bipolar shoe of neck finish is formed in, bipolar shoe forms continuous polar arc, circle where the polar arc
Diameter and the ratio of minimum dimension outside stator core are more than 7: 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510072771.6A CN104682649B (en) | 2009-06-01 | 2009-06-01 | Motor and its excitation part |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510072771.6A CN104682649B (en) | 2009-06-01 | 2009-06-01 | Motor and its excitation part |
| CN 200910148933 CN101764440A (en) | 2008-12-24 | 2009-06-01 | motor and motor stator |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910148933 Division CN101764440A (en) | 2008-12-24 | 2009-06-01 | motor and motor stator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104682649A CN104682649A (en) | 2015-06-03 |
| CN104682649B true CN104682649B (en) | 2018-07-03 |
Family
ID=53317355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510072771.6A Expired - Fee Related CN104682649B (en) | 2009-06-01 | 2009-06-01 | Motor and its excitation part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104682649B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106921272A (en) * | 2015-12-25 | 2017-07-04 | 德昌电机(深圳)有限公司 | Electric machine |
| CN108023438A (en) * | 2016-10-28 | 2018-05-11 | 上海思源高压开关有限公司 | A kind of electric operating mechanism using New-type electric machine |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1050798A (en) * | 1990-10-16 | 1991-04-17 | 崔宝林 | Excited induction motor |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3909647A (en) * | 1973-06-22 | 1975-09-30 | Bendix Corp | Rotor assembly for permanent magnet generator |
| US3942055A (en) * | 1974-10-16 | 1976-03-02 | General Electric Company | Hermetic motor stator |
| US5045742A (en) * | 1990-02-23 | 1991-09-03 | General Electric Company | Electric motor with optimum core dimensions |
| US7230361B2 (en) * | 2003-01-31 | 2007-06-12 | Light Engineering, Inc. | Efficient high-speed electric device using low-loss materials |
| CN100581029C (en) * | 2004-08-17 | 2010-01-13 | 山洋电气株式会社 | Permanent magnet rotary motor |
| CN101895158B (en) * | 2009-05-22 | 2013-04-17 | 德昌电机(深圳)有限公司 | Motor |
-
2009
- 2009-06-01 CN CN201510072771.6A patent/CN104682649B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1050798A (en) * | 1990-10-16 | 1991-04-17 | 崔宝林 | Excited induction motor |
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| CN104682649A (en) | 2015-06-03 |
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Granted publication date: 20180703 |