CN107919755A - A kind of permanent-magnetic synchronous motor rotor field structure and motor - Google Patents
A kind of permanent-magnetic synchronous motor rotor field structure and motor Download PDFInfo
- Publication number
- CN107919755A CN107919755A CN201711363167.4A CN201711363167A CN107919755A CN 107919755 A CN107919755 A CN 107919755A CN 201711363167 A CN201711363167 A CN 201711363167A CN 107919755 A CN107919755 A CN 107919755A
- Authority
- CN
- China
- Prior art keywords
- magnetic pole
- magnetic
- pole
- mounting hole
- stretching screw
- 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
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 16
- 238000003475 lamination Methods 0.000 claims abstract description 26
- 238000009434 installation Methods 0.000 claims description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 239000011810 insulating material Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000004323 axial length Effects 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000004080 punching Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000003292 glue Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- H02K1/27—Rotor cores with permanent magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/02—Details
- H02K21/021—Means for mechanical adjustment of the excitation flux
- H02K21/028—Means for mechanical adjustment of the excitation flux by modifying the magnetic circuit within the field or the armature, e.g. by using shunts, by adjusting the magnets position, by vectorial combination of field or armature sections
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The present invention relates to a kind of permanent-magnetic synchronous motor rotor field structure, it includes magnetic pole box, pole end-plate, stretching screw, adjust pad, adjust pad is equipped between adjacent magnetic pole box, the thickness of the adjust pad is less than the thickness of pole lamination, the section of the adjust pad is identical with the section of pole lamination, for stretching screw through the stretching screw mounting hole and magnetic pole box stretching screw mounting hole of the pole end-plate at magnetic pole both ends, the nut for tightening stretching screw both ends forms a magnetic pole.The present invention is by setting the small adjust pad of thickness ratio pole lamination, so as to can preferably control the precision of the axial length of magnetic pole when assembling magnetic pole.The invention further relates to the motor for including this rotor magnetic pole.
Description
Technical field
The present invention relates to motor field, and in particular to a kind of permanent-magnetic synchronous motor rotor field structure and motor.
Background technology
Rotor magnetic pole is the critical component on magneto, Application No. CN201210452860.X's《With convex
The magnetic pole box of platform》Disclose and the magnetic pole box formed is bonded by the pole lamination of two kinds of different structures, there is permanent magnet peace in magnetic pole box
Hole, fixed link mounting hole and bolt hole are filled, but the magnetic pole box structure leakage field is big, is not suitable for the large-scale Permanent Magnet and Electric of high speed operation
Machine, while two kinds of pole laminations need the mould production of two sets of different structures, can cause to manufacture cost increase；Application No.
CN201720207001.2's《A kind of magnetic pole box on permanent-magnetic wind driven generator》Disclose a kind of punching with button point
The magnetic pole box being overrided to form, the structure fabrication process is simple, and cost is low, but since mechanical strength is low, it is necessary in magnetic pole box both sides
Punching is welded together, adds the eddy-current loss of magnetic holder, is not suitable for the large-scale permanent magnet machine rotor of high speed operation.
With above-mentioned magnetic pole box when rotor over-assemble is into rotor magnetic pole, since tolerance adds up to be easy to cause with the deviation of shape
Rotor magnetic pole axial length deviation is larger, causes the difficulty of assembling, while influences beauty.
The content of the invention
The purpose of the present invention overcomes the above insufficient, there is provided one kind manufactures low cost, high mechanical strength, rational in infrastructure, assembling
Simple large-scale permanent magnet machine rotor field structure.
The technical scheme is that：A kind of permanent-magnetic synchronous motor rotor field structure, it includes magnetic pole box, magnetic pole pressure
Plate, stretching screw, magnetic pole box include the magnetic pole box with mounting hole and the magnetic pole box without mounting hole, and permanent magnet is arranged on magnetic pole box
In permanent magnet mounting groove, the magnetic pole box bottom with mounting hole is equipped with magnetic pole installing hole, the magnetic pole box with mounting hole and without installation
The magnetic pole box in hole is staggered to form magnetic pole, further includes adjust pad, and adjust pad is equipped between adjacent magnetic pole box, described
The thickness of adjust pad is less than the thickness of pole lamination, and the section of the adjust pad is identical with the section of pole lamination, tenses
Screw rod tightens stretching screw through the stretching screw mounting hole and magnetic pole box stretching screw mounting hole of the pole end-plate at magnetic pole both ends
The nut at both ends forms a magnetic pole.
Preferably, the nut unbalance stress at stretching screw both ends in order to prevent, on the stretching screw head and pole end-plate
Stretching screw mounting hole section for circle.
Preferably, for ease of the installation of stretching screw, and the forced area of stretching screw is increased, the magnetic pole box tenses spiral shell
Bar mounting hole is rectangle, and the magnetic pole stretching screw and magnetic pole box stretching screw mounting hole contact site are the rectangle to match.
Preferably, drilled through for ease of magnetic pole installation and magnetic pole installing hole, the magnetic pole of the magnetic pole box bottom with mounting hole
The section of mounting hole is circle.
Preferably, for ease of fine-tuning magnetic pole overall length, the thickness of the adjust pad for pole lamination thickness 0.4~
0.6 times.
Preferably, to avoid short circuit between magnetic pole box from increasing eddy-current loss, the material of the adjust pad is not magnetic conduction
Insulating materials.
When preferably, to avoid magnetic pole box general assembly, magnet steel is squeezed broken, and the magnetic pole box is provided at both ends with 1~2
Pole lamination is adjusted, the thickness of the adjustment pole lamination is less than the thickness of pole lamination, it is ensured that the length of magnetic pole box begins
It is more than magnet steel length eventually.
Preferably, to reduce leakage field and increase mechanical strength, the both ends of the permanent magnet mounting groove are equipped with every magnetic cavity, are
Mechanical strength is improved, reinforcing rib is provided among permanent magnet mounting groove.
The invention further relates to a kind of motor, it includes rotor magnetic pole, and the rotor magnetic pole is rotor magnetic pole described above
Structure.
The method have the benefit that by setting the small adjust pad of thickness ratio pole lamination, so as to assemble
The precision of the axial length of magnetic pole can be preferably controlled during magnetic pole；The mounting hole of magnetic pole box bottom can laminate completion in magnetic pole box
Directly drill through afterwards, mould can be saved, reduce production cost；Will be without paint film magnetic pole by using high temperature resistant strength insulation bonded adhesives
The magnetic pole box of punching bonding has very high mechanical strength, and magnetic pole box both sides avoid magnetic pole box eddy-current loss without welding
Increase.
Brief description of the drawings
Fig. 1 is field structure schematic diagram of the embodiment of the present invention；
Fig. 2 is magnetic pole box structure diagram of the embodiment of the present invention with mounting hole；
Fig. 3 is magnetic pole box structure diagram of the embodiment of the present invention without mounting hole；
Fig. 4 is magnetic pole stretching screw structure diagram of the embodiment of the present invention；
Fig. 5 is pole lamination structure diagram of the embodiment of the present invention；
Fig. 6 is adjust pad structure diagram of the embodiment of the present invention.
Embodiment
Below in conjunction with drawings and examples, the invention will be further described.
Referring to the drawings, a kind of permanent-magnetic synchronous motor rotor field structure, it includes magnetic pole box, pole end-plate 2, stretching screw
4, magnetic pole box includes the magnetic pole box 2 with mounting hole and the magnetic pole box 1 without mounting hole, and permanent magnet is arranged on magnetic pole box permanent magnet peace
In tankage, the magnetic pole box bottom with mounting hole is equipped with magnetic pole installing hole, the magnetic pole box with mounting hole and the magnetic pole without mounting hole
Box is staggered to form magnetic pole 6, further includes adjust pad 5, and adjust pad 5, the adjustment are equipped between adjacent magnetic pole box
The thickness of gasket 5 is less than the thickness of pole lamination 7, and the section of the adjust pad 5 is identical with the section of pole lamination 7, tenses
Screw rod tightens tension through the stretching screw mounting hole 9 and magnetic pole box stretching screw mounting hole 10 of the pole end-plate 2 at magnetic pole both ends
The nut at screw rod both ends forms a magnetic pole 6.The nut unbalance stress at stretching screw both ends in order to prevent, the stretching screw head
Section with the stretching screw mounting hole 9 on pole end-plate 2 is circle.For ease of the installation of stretching screw, and increase tension spiral shell
The forced area of bar, the magnetic pole box stretching screw mounting hole 10 are rectangle, and the magnetic pole stretching screw 1 tenses spiral shell with magnetic pole box
10 contact site of bar mounting hole is the rectangle to match, is drilled through for ease of magnetic pole installation and magnetic pole installing hole, the band mounting hole
Magnetic pole box bottom magnetic pole installing hole section for circle, for ease of fine-tuning magnetic pole overall length, the thickness of the adjust pad 5
Spend for 0.4 times of 7 thickness of pole lamination, to avoid short circuit between magnetic pole box from increasing eddy-current loss, the material of the adjust pad 5
Matter is non-magnetic insulating materials.
During to avoid magnetic pole box general assembly, magnet steel 3 be squeezed it is broken, the magnetic pole box be provided at both ends with 1 adjustment magnetic pole
Punching 7, the thickness of the adjustment pole lamination 7 are less than the thickness of pole lamination 7, it is ensured that the length of magnetic pole box is consistently greater than
3 length of magnet steel, to reduce leakage field and increase mechanical strength, the both ends of the permanent magnet mounting groove are equipped with every magnetic cavity 15, to carry
High mechanical properties, are provided with reinforcing rib 14 among permanent magnet mounting groove.
Heretofore described magnetic pole box is overrided to form by pole lamination 7 is gluing, is divided into no mounting hole magnetic pole box 6 and has peace
4 two kinds of hole magnetic pole box is filled, with magnet steel mounting groove 8, stretching screw mounting hole 9, has 4 bottom of mounting hole magnetic pole box to be machined with magnetic
Pole bolt installation through-hole 10, is directly process by no mounting hole magnetic pole box 6.Each magnetic pole box is adopted by some pole laminations 7
Formed with the strength insulation bonding glue sticking of 180 DEG C of high temperature resistant, selected after hot setting shaping 1/3 without mounting hole magnetic pole box 6,
Pole bolt installation through-hole 10 is drilled through in its bottom, the sequence alternate of two kinds of magnetic pole boxes as shown in Figure 1 is arranged in one group, magnetic pole
The adjust pad 5 of 0.2mm is lined between box, then wears stretching screw mounting hole 9 of the magnetic pole stretching screw 1 from magnetic pole box
Cross, each magnetic pole box is connected into an entirety；Pole bolt installation threaded hole 11 is drilled among magnetic pole stretching screw 1, between hole
Away from being determined with quantity by the quantity for having the spacing of mounting hole magnetic pole box 4, when magnetic pole assembles, pay attention on magnetic pole stretching screw 1
Pole bolt installation threaded hole 11 aligns with the pole bolt installation through-hole 10 of magnetic pole box bottom, then installs pole end-plate 2
At magnetic pole both ends, and with nut check, to prevent nut loosening, it is necessary to which the check washer using specialty is locking；When magnetic pole overall length
When degree deviation is larger, adjust pad 5 can be increased between pole end-plate 2 and magnetic pole box and adjust magnetic pole length.To improve magnetic pole box
Intensity, be provided with reinforcing rib 14 among permanent magnet mounting groove 8；To reduce leakage field, it is provided with 8 both ends of permanent magnet mounting groove
It is longer every magnetic cavity 15；Magnet steel 3 rocks in permanent magnet mounting groove 8 during to prevent rotor operation, 8 both ends of permanent magnet mounting groove
It is provided with the displacement that step 16 limits magnet steel 3；When magnet steel 3 is installed at the same time, each face for being contacted with magnetic holder scribbles magnet steel 3 and is bonded
Glue.
The invention further relates to a kind of motor, it includes rotor magnetic pole, and the rotor magnetic pole is rotor magnetic pole described above
Structure.
Claims (11)
1. a kind of permanent-magnetic synchronous motor rotor field structure, it includes magnetic pole box, pole end-plate, stretching screw, and magnetic pole box includes
Magnetic pole box with mounting hole and the magnetic pole box without mounting hole, permanent magnet are arranged in magnetic pole box permanent magnet mounting groove, band installation
The magnetic pole box bottom in hole is equipped with magnetic pole installing hole, and the magnetic pole box with mounting hole and the magnetic pole box without mounting hole are staggered and to be formed
Magnetic pole, it is characterised in that adjust pad is further included, adjust pad is equipped between adjacent magnetic pole box, the adjust pad
Thickness is less than the thickness of pole lamination, and the section of the adjust pad is identical with the section of pole lamination, and stretching screw passes through magnetic
The stretching screw mounting hole and magnetic pole box stretching screw mounting hole of the pole end-plate at pole both ends, tighten the nut at stretching screw both ends
Form a magnetic pole.
A kind of 2. permanent-magnetic synchronous motor rotor field structure according to claim 1, it is characterised in that the adjust pad
Thickness be 0.4~0.6 times of pole lamination thickness.
A kind of 3. permanent-magnetic synchronous motor rotor field structure according to claim 1 or claim 2, it is characterised in that
The material of the adjust pad is non-magnetic insulating materials.
A kind of 4. permanent-magnetic synchronous motor rotor field structure according to claim 3, it is characterised in that the magnetic pole box two
End is provided with 1~2 adjustment pole lamination, and the thickness of the adjustment pole lamination is less than the thickness of pole lamination.
A kind of 5. permanent-magnetic synchronous motor rotor field structure according to claim 1 or claim 2, it is characterised in that
The both ends of the permanent magnet mounting groove are equipped with and are provided with reinforcing rib among magnetic cavity, permanent magnet mounting groove.
A kind of 6. permanent-magnetic synchronous motor rotor field structure according to claim 3, it is characterised in that the permanent magnet peace
The both ends of tankage are equipped with and are provided with reinforcing rib among magnetic cavity, permanent magnet mounting groove.
A kind of 7. permanent-magnetic synchronous motor rotor field structure according to claim 4, it is characterised in that the permanent magnet peace
The both ends of tankage are equipped with and are provided with reinforcing rib among magnetic cavity, permanent magnet mounting groove.
A kind of 8. permanent-magnetic synchronous motor rotor field structure according to claim 5, it is characterised in that the stretching screw
The section of stretching screw mounting hole on head and pole end-plate is circle, and the magnetic pole box stretching screw mounting hole is rectangle, institute
It is the rectangle to match that magnetic pole stretching screw, which is stated, with magnetic pole box stretching screw mounting hole contact site, the magnetic pole with mounting hole
The section of the magnetic pole installing hole in cassette bottom portion is circle.
A kind of 9. permanent-magnetic synchronous motor rotor field structure according to claim 6, it is characterised in that the stretching screw
The section of stretching screw mounting hole on head and pole end-plate is circle, and the magnetic pole box stretching screw mounting hole is rectangle, institute
It is the rectangle to match that magnetic pole stretching screw, which is stated, with magnetic pole box stretching screw mounting hole contact site, the magnetic pole with mounting hole
The section of the magnetic pole installing hole in cassette bottom portion is circle.
A kind of 10. permanent-magnetic synchronous motor rotor field structure according to claim 7, it is characterised in that the tension spiral shell
The section of stretching screw mounting hole in head and pole end-plate is circle, and the magnetic pole box stretching screw mounting hole is rectangle,
The magnetic pole stretching screw and magnetic pole box stretching screw mounting hole contact site are the rectangle to match, the magnetic with mounting hole
The section of the magnetic pole installing hole in pole cassette bottom portion is circle.
11. a kind of motor, it includes rotor magnetic pole, it is characterised in that the rotor magnetic pole will for the claims 1 to right
Seek the rotor magnetic pole structure described in 10 any claims.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711363167.4A CN107919755A (en) | 2017-12-18 | 2017-12-18 | A kind of permanent-magnetic synchronous motor rotor field structure and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711363167.4A CN107919755A (en) | 2017-12-18 | 2017-12-18 | A kind of permanent-magnetic synchronous motor rotor field structure and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107919755A true CN107919755A (en) | 2018-04-17 |
Family
ID=61893380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711363167.4A Pending CN107919755A (en) | 2017-12-18 | 2017-12-18 | A kind of permanent-magnetic synchronous motor rotor field structure and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107919755A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108923556A (en) * | 2018-07-12 | 2018-11-30 | 中国人民解放军海军工程大学 | A kind of magnetic pole suitable for large and medium-sized low-speed permanent-magnet motor |
| CN109391057A (en) * | 2018-09-27 | 2019-02-26 | 湖南湘电动力有限公司 | A kind of magnet ring modular rotor and motor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005130689A (en) * | 2003-08-02 | 2005-05-19 | Yukio Kinoshita | Rotating electric machine |
| JP2008054392A (en) * | 2006-08-23 | 2008-03-06 | Denso Corp | Alternator for vehicles and manufacturing method therefor |
| CN102931741A (en) * | 2012-11-13 | 2013-02-13 | 永济新时速电机电器有限责任公司 | Compact permanent magnet wind generator rotor |
| CN102938591A (en) * | 2012-11-13 | 2013-02-20 | 永济新时速电机电器有限责任公司 | Magnetic pole box with location boss |
| CN106787318A (en) * | 2016-12-28 | 2017-05-31 | 卧龙电气集团股份有限公司 | Permagnetic synchronous motor p-m rotor punching and permagnetic synchronous motor |
| CN207559709U (en) * | 2017-12-18 | 2018-06-29 | 湖南湘电动力有限公司 | A kind of permanent-magnetic synchronous motor rotor field structure and motor |
-
2017
- 2017-12-18 CN CN201711363167.4A patent/CN107919755A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005130689A (en) * | 2003-08-02 | 2005-05-19 | Yukio Kinoshita | Rotating electric machine |
| JP2008054392A (en) * | 2006-08-23 | 2008-03-06 | Denso Corp | Alternator for vehicles and manufacturing method therefor |
| CN102931741A (en) * | 2012-11-13 | 2013-02-13 | 永济新时速电机电器有限责任公司 | Compact permanent magnet wind generator rotor |
| CN102938591A (en) * | 2012-11-13 | 2013-02-20 | 永济新时速电机电器有限责任公司 | Magnetic pole box with location boss |
| CN106787318A (en) * | 2016-12-28 | 2017-05-31 | 卧龙电气集团股份有限公司 | Permagnetic synchronous motor p-m rotor punching and permagnetic synchronous motor |
| CN207559709U (en) * | 2017-12-18 | 2018-06-29 | 湖南湘电动力有限公司 | A kind of permanent-magnetic synchronous motor rotor field structure and motor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108923556A (en) * | 2018-07-12 | 2018-11-30 | 中国人民解放军海军工程大学 | A kind of magnetic pole suitable for large and medium-sized low-speed permanent-magnet motor |
| CN109391057A (en) * | 2018-09-27 | 2019-02-26 | 湖南湘电动力有限公司 | A kind of magnet ring modular rotor and motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6603737B2 (en) | Method for manufacturing electric drive machine, electric drive machine, and motor vehicle | |
| CN102668343B (en) | Rotor and rotor manufacturing method | |
| CN102257270B (en) | Generator for a wind energy installation and method for its production | |
| CN103378672B (en) | Motor and manufacture method thereof | |
| CN106134045B (en) | The rotor and cage electromotor of cage electromotor | |
| RU2711493C2 (en) | Manufacturing of machine with axial magnetic flow | |
| US20120049684A1 (en) | Magnet ring of a multi-pole generator for a wind turbine | |
| AU2019310830B2 (en) | Magnetic pole module, electric motor rotor and method for manufacturing electric motor rotor | |
| CN109193989A (en) | A kind of rotor suitable for axial flux permanent magnet motor and the motor containing the rotor | |
| CN107919755A (en) | A kind of permanent-magnetic synchronous motor rotor field structure and motor | |
| CN105122594B (en) | The method for manufacturing the rotor of reluctance motor | |
| CN104158325B (en) | The permanent magnetism mounting structure of external rotor electric machine | |
| CN207559709U (en) | A kind of permanent-magnetic synchronous motor rotor field structure and motor | |
| CN103460562A (en) | Pole shoe of generator, preferably of generator of wind turbine generator system | |
| CN208062909U (en) | A kind of rotor core and permasyn morot | |
| EP3001542B1 (en) | Permanent magnet rotors | |
| WO2013186551A2 (en) | Improved pole-piece structure | |
| CN109962544A (en) | A kind of rotor core and permasyn morot | |
| CN107231052A (en) | A kind of motor stator of use mild steel slot wedge | |
| CN102005841B (en) | Semi-direct drive megawatt-level permanent-magnet windmill generator | |
| CN203911615U (en) | Permanent magnet generator rotor and generator | |
| CN201821183U (en) | Permanent magnet fixing structure of permanent magnet generator or motor | |
| CN103701236A (en) | Outer rotor synchronous magnetic resistance motor rotor | |
| KR20140143356A (en) | Rotor including segmented yoke | |
| CN203966773U (en) | A kind of core construction of amorphous alloy transformer |
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 |