CN208461560U - New-type asynchronous starting and permanent magnet motor outer rotor core structure - Google Patents
New-type asynchronous starting and permanent magnet motor outer rotor core structure Download PDFInfo
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- CN208461560U CN208461560U CN201820800211.7U CN201820800211U CN208461560U CN 208461560 U CN208461560 U CN 208461560U CN 201820800211 U CN201820800211 U CN 201820800211U CN 208461560 U CN208461560 U CN 208461560U
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Abstract
The utility model relates to a kind of New-type asynchronous starting and permanent magnet motor outer rotor core structures, rotor punching group is made of upper layer rotor core group and lower layer's rotor core group symmetrical with upper layer rotor core group, upper layer rotor core group and lower layer's rotor core group are superimposed with each other by several rotor cores, the front end of left rectangle slot has the tilt port for tilting down extension and in fish mouth shape, the front end of right rectangle slot has the tilt port for tilting down extension in fish mouth shape, annular offers 48 cage grooves for interspersed cylinder copper bar on the inner ring surface of rotor punching, cage grooves are made of the semicircular arc opening that the straight barrel type being provided on rotor punching inner ring surface edge is open and extension is connected in straight barrel type opening.A kind of New-type asynchronous starting and permanent magnet motor outer rotor core structure of the utility model, and make motor with good performance, Harmfulness Caused by Harmonics is reduced, service life of equipment and reliability are enhanced.
Description
Technical field
The utility model relates to the field of motor, especially a kind of New-type asynchronous starting and permanent magnet motor outer rotor iron core knot
Structure.
Background technique
In recent years, China's industry middle and small motor production and marketing rises appreciably, but heavy-duty motor develops and more lags, this gesture
Electric system overall operation efficiency must be caused low, seriously restrict expanding economy.Therefore, pushing motor reform, to it is high-power,
Certainty is developed into multifunction direction.Ministry of Industry and Information and State General Administration for Quality Supervision, which combine in June, 2016, prints and distributes " motor energy efficiency promotion
Plan (2013-2015) ", plan to propose by 2015 accumulative 1.7 hundred million kilowatts of high efficiency motor of popularization, eliminates with inefficient electricity
1.6 hundred million kilowatts of machine, implement 100,000,000 kilowatts of energy-saving of motor system technological transformation, implements superseded motor and efficiently remanufacture 20,000,000 kilowatts.2012
Year, the middle-size and small-size energy-efficient motor market average annual growth rate in China was about 69.36% to 2016.It is not difficult to find out that high-power
Permeability of the rare-earth permanent-magnet electric machine in motor market is very low, and all in all this is the market of a ground zero, the following application prospect
It is very optimistic.
Since at the end of the 19th century, some military air compressor and civilian air compressor are increasingly becoming research hotspot, Hen Duofa
Up to gradually starting to carry out primary study and test for the motor with developing country, thirsts for exploring and grasp mature design and life
Production technology, meets the needs of growing.For example, Japanese Changgong Polytechnics is to applied to air compressor at the beginning of 1994
The expansion research of 5kW-100V-150000rpm ultrahigh speed permanent magnet motor, and work in when the end of the year 1994 will complete advanced development,
Obtain good performance verifying；Dutch Eindhoven University of Technology studies in the first half of the year in 1997 and has manufactured experimently a 100W-
500000rpm high-speed brushless direct-current motor is applied to centrifugal compressor.
As a part indispensable in air compressor machine, sales situation of the high-speed motor in the sector has done some tune
It looks into.According to measuring and calculating, China's air compressor industry income from sales in 2016 is 1945.17 hundred million yuan, and total import value is 25.37 hundred million
Member, total export are 81.73 hundred million yuan, and industry market scale is 1888.81 hundred million yuan.In conclusion a set of effective high speed of building
Permanent magnet synchronous motor method of production and, the development of China's motor field can not only be promoted, but also the warp in China can be enhanced
Ji construction, has higher theory significance and practical application value.
In conclusion environment-friendly type high-speed high power permanent magnet synchronous motor will become the main direction of future development, as answering
With the core drive part of equipment, it is necessary to deeply be ground in terms of high power density, lightweight, low cost, low energy consumption
Study carefully and analyzes.Also, with flourishing for the emerging energy conservation and environmental protection industry of country, which is just belonging to development early period at present
Stage has the boundless market space.
Utility model content
Technical problem to be solved by the utility model is: it is above-mentioned in order to solve the problems, such as, it provides a kind of novel different
Starting and permanent magnet motor outer rotor core structure is walked, so that the 380V-18kW-6000rpm motor has good runnability, and
It can reduce noise of motor and vibration.
The technical scheme adopted by the utility model to solve the technical problem is as follows: outside a kind of New-type asynchronous starting and permanent magnet motor
Rotor core structure, including being mounted on the rotor punching group of outside motor, the rotor magnetic steel piece in rotor punching group, connecting
Upper rotor part end plate and the lower rotor part end plate on rotor punching group top and bottom end are connect, the rotor punching group is by upper layer rotor iron
Core group and the lower layer rotor core group symmetrical with upper layer rotor core group composition, upper layer rotor core group and lower layer's rotor core
Group is superimposed with each other by several rotor cores, and each rotor core is made of eight rotor punchings, every rotor punching
Annular surface on uniformly offer eight pairs of rotor slots, spacing is equal between adjacent two pairs of rotor slots, and each pair of rotor slot is equal
It is made of two symmetrical left rectangle slots and right rectangle slot, the front end of left rectangle slot, which has, to dip down
The tilt port that tiltedly extends and in fish mouth shape, the front end of right rectangle slot has the tilt port for tilting down extension in fish mouth
Shape, left rectangle slot and right rectangle slot are that bore open at one end is greater than another end opening bore, left rectangle slot
Two recesses extended outward are all had with the medial surface of right rectangle slot, the recess of rotor core forms tubbiness groove, turns
Sub- magnetic links are in the tubbiness groove, and annular opens up that there are four dynamic for realizing rotor on the outer ring surface of the rotor punching
The installation card slot of blance test, installation card slot are in inverted ladder shape structure, offer on the annular surface of rotor punching and turn for fixed
The threaded hole of sub- iron core, rotor core carries out locking formation by the threaded hole of eight rotor punchings of screw bolt passes, described
Rotor punching inner ring surface on annular offer 48 cage grooves for interspersed cylinder copper bar, cage grooves are by opening up
In the straight barrel type opening on rotor punching inner ring surface edge and extend the semicircular arc opening composition being connected in straight barrel type opening.
Further, the upper layer rotor core group includes the first upper layer rotor core, the second upper layer rotor core, the
Three upper layer rotor cores, the 4th upper layer rotor core and the 5th upper layer rotor core, the second upper layer rotor core are on first
Layer rotor core is rotation basis, rotates clockwise 9 ° around rotor core center；Third upper layer rotor core is with the second upper layer
Rotor core is rotation basis, rotates clockwise 9 ° around rotor core center；4th upper layer rotor core is turned with third upper layer
Sub- iron core is rotation basis, rotates clockwise 9 ° around rotor core center；5th upper layer rotor core is with the 4th upper layer rotor
Iron core is rotation basis, rotates clockwise 9 ° around rotor core center.
Lower layer's rotor core group includes first lower layer's rotor core, second lower layer's rotor core, third lower layer turn
Sub- iron core, the 4th lower layer's rotor core and the 5th lower layer's rotor core, first lower layer's rotor core and the 5th upper layer rotor core
Identical, second lower layer's rotor core is rotated counterclockwise for rotation basis around rotor core center with the 5th upper layer rotor core
9°；Third lower layer rotor core is to rotate counterclockwise 9 ° around rotor core center for rotation basis with the second upper layer rotor core；
4th lower layer's rotor core is to rotate counterclockwise 9 ° around rotor core center for rotation basis with third upper layer rotor core；The
Five lower layer's rotor cores are to rotate counterclockwise 9 ° around rotor core center for rotation basis with the 4th upper layer rotor core.
The utility model has the beneficial effects that the New-type asynchronous starting and permanent magnet motor outer rotor iron core knot of the utility model
Structure, 1, optimization conventional air compressor gearing structure, saves multiple components；2, production cost is reduced；3, motor is omitted
Starter, which can be with across-the-line starting, and makes motor with good performance, reduces Harmfulness Caused by Harmonics.In addition, the product exists
In manufacturing process, multiple innovative technologies, processing technology, test simulation technology etc. are used, can be overcome domestic at present related empty
The weak link in air compressor system research field enhances service life of equipment and reliability.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural schematic diagram of the rotor punching of the utility model；
Fig. 2 is the side structure schematic diagram after the rotor core assembly of the utility model；
Fig. 3 is enlarged diagram at A in Fig. 1.
1. rotor magnetic steel piece in figure, 2. upper rotor part end plates, 3. lower rotor part end plates, 41. first upper layer rotor cores, 42.
Two upper layer rotor cores, 43. third upper layer rotor cores, 44. the 4th upper layer rotor cores, 45. the 5th upper layer rotor cores,
51. first lower layer's rotor core, 52. second lower layer's rotor cores, 53. third lower layer rotor cores, 54. the 4th lower layer's rotors
Iron core, 55. the 5th lower layer's rotor cores, 6. rotor punchings, 61. left rectangle slots, 62. right rectangle slots, 7. installation cards
Slot, 8. threaded holes, 9. cage grooves, 91. straight barrel types opening, 92. semicircular arcs opening.
Specific embodiment
The utility model is described in further detail presently in connection with attached drawing.These attached drawings are simplified schematic diagram,
Only illustrate the basic structure of the utility model in a schematic way, therefore it only shows composition related with the utility model.
A kind of New-type asynchronous starting and permanent magnet motor outer rotor core structure as shown in Figure 1, Figure 2 and Figure 3, including be mounted on
The rotor punching group of outside motor, upper rotor part end plate 2 and lower rotor part end plate 3 are connected to rotor punching group top and bottom end, rotor
Punching group is made of upper layer rotor core group and lower layer's rotor core group symmetrical with upper layer rotor core group, upper layer rotor iron
Core group includes the first upper layer rotor core 41, the second upper layer rotor core 42, third upper layer rotor core 43, the 4th upper layer rotor
Iron core 44 and the 5th upper layer rotor core 45, the second upper layer rotor core 42 are with the first upper layer rotor core 41 for rotation base
Plinth rotates clockwise 9 ° around rotor core center；It is to turn that third upper layer rotor core (43), which is with the second upper layer rotor core 42,
Dynamic basis, rotates clockwise 9 ° around rotor core center；4th upper layer rotor core 44 is to be with third upper layer rotor core 43
Rotation basis, rotates clockwise 9 ° around rotor core center；5th upper layer rotor core 45 is with the 4th upper layer rotor core 44
For rotation basis, 9 ° are rotated clockwise around rotor core center, to form upper layer rotor core group；Lower layer's rotor core group packet
Include first lower layer's rotor core 51, second lower layer's rotor core 52, third lower layer rotor core 53, the 4th lower layer's rotor core 54
With the 5th lower layer's rotor core 55, first lower layer's rotor core 51 is identical as the 5th upper layer rotor core 45, second lower layer's rotor
Iron core 52 is to rotate counterclockwise 9 ° around rotor core center for rotation basis with the 5th upper layer rotor core 45；Third lower layer turns
Sub- iron core 53 is to rotate counterclockwise 9 ° around rotor core center for rotation basis with the second upper layer rotor core 42；4th lower layer
Rotor core 54 is to rotate counterclockwise 9 ° around rotor core center for rotation basis with third upper layer rotor core 43；Under 5th
It is rotation basis that layer rotor core 55, which is with the 4th upper layer rotor core 44, rotates counterclockwise 9 ° around rotor core center, thus
Form lower layer's rotor core, upper layer rotor core group and lower layer's rotor core group be superimposed with each other by several rotor cores and
At each rotor core is made of eight rotor punchings 6, and eight pairs of rotors are uniformly offered on the annular surface of every rotor punching 6
Slot, spacing is equal between adjacent two pairs of rotor slots, and each pair of rotor slot is by two symmetrical left rectangle slots
61 and right rectangle slot 62 composition, the front end of left rectangle slot 61 there is the tilt port for tilting down extension and in fish mouth
Shape, the front end of right rectangle slot 62 have the tilt port for tilting down extension in fish mouth shape, left rectangle slot 61 and the right side
Rectangle slot 62 is that bore open at one end is greater than another end opening bore, left rectangle slot 61 and right rectangle slot 62
Medial surface all have two recesses extended outward, the recess of rotor core forms tubbiness groove, and rotor magnetic steel piece 1 is embedded in
In tubbiness groove, on the outer ring surface of rotor punching 6 annular open up there are four for realizing dynamic balance test of rotor installation card slot
7, installation card slot 7 is in inverted ladder shape structure, and the threaded hole 8 for fixed rotor iron core is offered on the annular surface of rotor punching 6,
Rotor core carries out locking formation by the threaded holes 8 of eight rotor punchings of screw bolt passes, on the inner ring surface of rotor punching 6
Annular offers 48 cage grooves 9 for interspersed cylinder copper bar, and cage grooves 9 are by being provided with 6 inner ring surface of rotor punching
Straight barrel type opening 91 and extension on edge are connected to 92 composition of semicircular arc opening in straight barrel type opening 91.
The New-type asynchronous starting and permanent magnet motor outer rotor core structure of the utility model, cover circuit, electromagnetism, fluid field with
And the coupling electric machine rotor core structure designing technique of more physical domains such as temperature field, motor operation environment can be effectively improved,
In the design process, it by simulation softwares such as AnsoftMaxwell and Ansysworkbench, is coupled using more multichannels
Emulation technology demonstrates the feasibility of the structure, and the model machine of actual production is combined to further illustrate the effective of the program
Property.
It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model
Member can carry out various changes and amendments in the range of without departing from this item utility model technical idea completely.This item is real
It is not limited to the contents of the specification with novel technical scope, it is necessary to its technology is determined according to scope of the claims
Property range.
Claims (3)
1. a kind of New-type asynchronous starting and permanent magnet motor outer rotor core structure, it is characterized in that: including being mounted on turning for outside motor
Sub- punching group, the rotor magnetic steel piece (1) in rotor punching group, the upper rotor part for being connected to rotor punching group top and bottom end
End plate (2) and lower rotor part end plate (3), the rotor punching group is by upper layer rotor core group and opposite with upper layer rotor core group
Lower layer's rotor core group of title forms, and upper layer rotor core group and lower layer's rotor core group are mutually folded by several rotor cores
It closes, each rotor core is made of eight rotor punchings (6), is uniformly offered on the annular surface of every rotor punching (6)
Eight pairs of rotor slots, spacing is equal between adjacent two pairs of rotor slots, and each pair of rotor slot is by two symmetrical left length
Rectangular slot (61) and right rectangle slot (62) composition, the front end of left rectangle slot (61), which has, tilts down extension
Tilt port and be in fish mouth shape, the front end of right rectangle slot (62) has the tilt port for tilting down extension in fish mouth shape, left
Rectangle slot (61) and right rectangle slot (62) are that bore open at one end is greater than another end opening bore, left rectangular slot
The medial surface of hole (61) and right rectangle slot (62) all has two recesses extended outward, and the recess of rotor core forms bucket
Shape groove, rotor magnetic steel piece (1) is in tubbiness groove, and annular offers four on the outer ring surface of the rotor punching (6)
A installation card slot (7) for realizing dynamic balance test of rotor, installation card slot (7) are in inverted ladder shape structure, rotor punching (6)
The threaded hole (8) for fixed rotor iron core is offered on annular surface, rotor core passes through eight rotor punchings of screw bolt passes
The threaded hole (8) of piece carries out locking formation, and annular offers 48 for wearing on the inner ring surface of the rotor punching (6)
The cage grooves (9) of cylinder copper bar are inserted, cage grooves (9) are open by the straight barrel type being provided on rotor punching (6) inner ring surface edge
(91) and extension is connected to semicircular arc opening (92) composition in straight barrel type opening (91).
2. New-type asynchronous starting and permanent magnet motor outer rotor core structure according to claim 1, it is characterized in that: described is upper
Layer rotor core group includes the first upper layer rotor core (41), the second upper layer rotor core (42), third upper layer rotor core
(43), the 4th upper layer rotor core (44) and the 5th upper layer rotor core (45), the second upper layer rotor core (42) is with first
Upper layer rotor core (41) is rotation basis, rotates clockwise 9 ° around rotor core center；Third upper layer rotor core (43) is
It is rotation basis with the second upper layer rotor core (42), rotates clockwise 9 ° around rotor core center；4th upper layer rotor core
It (44) is to rotate clockwise 9 ° around rotor core center for rotation basis with third upper layer rotor core (43)；5th upper layer turns
Sub- iron core (45) is to rotate clockwise 9 ° around rotor core center for rotation basis with the 4th upper layer rotor core (44).
3. New-type asynchronous starting and permanent magnet motor outer rotor core structure according to claim 2, it is characterized in that: under described
Layer rotor core group includes first lower layer's rotor core (51), second lower layer's rotor core (52), third lower layer rotor core
(53), the 4th lower layer's rotor core (54) and the 5th lower layer's rotor core (55), on first lower layer's rotor core (51) and the 5th
Layer rotor core (45) is identical, and second lower layer's rotor core (52) is with the 5th upper layer rotor core (45) for rotation basis, around
Rotor core center rotates counterclockwise 9 °；Third lower layer rotor core (53) is with the second upper layer rotor core (42) for rotation base
Plinth rotates counterclockwise 9 ° around rotor core center；4th lower layer's rotor core (54) is to be with third upper layer rotor core (43)
Rotation basis, rotates counterclockwise 9 ° around rotor core center；5th lower layer's rotor core (55) is with the 4th upper layer rotor core
(44) it is rotation basis, rotates counterclockwise 9 ° around rotor core center.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820800211.7U CN208461560U (en) | 2018-05-25 | 2018-05-25 | New-type asynchronous starting and permanent magnet motor outer rotor core structure |
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| CN201820800211.7U CN208461560U (en) | 2018-05-25 | 2018-05-25 | New-type asynchronous starting and permanent magnet motor outer rotor core structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111130291A (en) * | 2020-01-08 | 2020-05-08 | 泛仕达机电股份有限公司 | Soft magnetic starting outer rotor permanent magnet synchronous motor |
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2018
- 2018-05-25 CN CN201820800211.7U patent/CN208461560U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111130291A (en) * | 2020-01-08 | 2020-05-08 | 泛仕达机电股份有限公司 | Soft magnetic starting outer rotor permanent magnet synchronous motor |
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