CN109728698A - A kind of permanent magnetism integrated motor - Google Patents
A kind of permanent magnetism integrated motor Download PDFInfo
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- CN109728698A CN109728698A CN201811592948.5A CN201811592948A CN109728698A CN 109728698 A CN109728698 A CN 109728698A CN 201811592948 A CN201811592948 A CN 201811592948A CN 109728698 A CN109728698 A CN 109728698A
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Abstract
The present invention relates to a kind of permanent magnetism integrated motors, shaft is equipped in casing, cartridge type motor stator and disk type electric machine stator have been sequentially connected in series in shaft, one end of disk type electric machine stator is equipped with matched disk type electric motor rotor disk, the both ends of casing are respectively equipped with fixed end cap, run through in cartridge type motor stator and disk type electric machine stator and are equipped with hard winding.When use, in conjunction with the space structure feature of disc type electric machine and cartridge type motor, the torque density and fan-out capability of motor are further improved in a limited space, there are the differences in phase and amplitude for the current harmonics that the current harmonics and disc type electric machine that cartridge type electric machine structure generates generate, to have the function that mutually to weaken, be conducive to improve motor waveform, improve motor performance.
Description
Technical field
The present invention relates to the technical field of permanent magnet synchronous motor, specifically a kind of permanent magnetism integrated motor is especially wrapped
Include a kind of integrated motor that permanent-magnet chamber type motor is synthesized with disc type electric machine.
Background technique
Along with the aggravation of motor commercial size and globalized competetion, industry is to motor driven systems, in high speed Gao Gong
Rate density, light weight miniaturization, low cost, low energy consumption, high reliability, consistency etc. propose a series of higher technologies and want
It asks.And with the further development of electromechanics trade, traditional magneto has been difficult to meet higher and higher performance requirement, especially
How it improves the output torque of motor in limited volumetric spaces.Conventional cartridge type motor is due to stator winding end ratio
It is higher, it requires that the axial space of motor is often bigger, cause to be not so good as disc type electric machine on the torque density of motor, while electricity
Machine torque density can achieve 20Nm/kg to 25Nm/kg in 8Nm/kg to 10Nm/kg, disc type electric machine torque density.Disc type electric machine
The occasion smaller suitable for axial space is unable to fully the space characteristic bigger using axial space.Magneto presses magnetic
Field direction can be divided into radial magnetic field and two kinds of axial magnetic field.The motor of axial magnetic field is also called disc-type permanent magnet motor, disc type electric machine
Axial dimension it is short, be applicable to require the occasion of slim installation, torque density is very high, compact-sized.
Magneto can be divided into radial magnetic field and two kinds of axial magnetic field by magnetic direction.The motor of radial magnetic field is also called cylinder
Formula magneto, cartridge type motor need a suitable draw ratio space, and motor output torque is big, have higher power density
And high speed weak magnetic property.
205945322 U of Patent No. CN proposes a kind of composition motor of AC and DC, is using two controllers
Direct current and alternating current generator are controlled respectively, cause at high cost, the difficulties such as installation inconvenience, and be also contemplated that two groups of motor operation courses
The problem of middle magnetic interference, is not appropriate for practical application.
Summary of the invention
The purpose of the present invention is to provide a kind of improved permanent magnetism integrated motors, it can overcome can not fill in the prior art
Divide and utilizes motor inner space, the bad problem of motor performance.
To achieve the goals above, the technical scheme is that a kind of permanent magnetism integrated motor, including casing, it is special
Sign is: being equipped with shaft in casing, has been sequentially connected in series cartridge type motor stator and disk type electric machine stator, disk type electric machine stator in shaft
One end be equipped with matched disk type electric motor rotor disk, the both ends of casing are respectively equipped with fixed end cap, cartridge type motor stator and
Through equipped with hard winding in disk type electric machine stator.
Preferably, hard winding is pieced together around grouping cylindric firmly by several, each firmly around grouping by four formed coils
It is formed by stacking in a manner of stair-stepping, so that there is dislocation between each layer of formed coil up and down；One end bending of hard winding
After be buckled in disk type electric machine stator surface formed disc type winding, the other end insertion cartridge type motor stator and bend after form cartridge type
Winding.The slot number of cartridge type motor stator and the slot number of disc type electric machine are identical, and rotor number of poles is identical.
Further, it is equipped with cartridge type rotor in cartridge type motor stator, is embedded with cartridge type permanent magnet, cartridge type rotor in cartridge type rotor
Magnetic isolation plate is equipped between disk type electric machine stator.
Further, desk permanent-magnet body is embedded in disk type electric motor rotor disk, desk permanent-magnet body is fixed on disc type by screw
On rotor disk, screw is located at the geometric center position of permanent magnet.
Further, it each is buckled in disk type electric machine stator surface at V-type after the bending of one end of grouping firmly, so that disc type
It intersects vertically between winding and cartridge type winding in 90 degree.Each be formed by stacking firmly around grouping by 4-8 root formed coil, every at
Type coil includes a V-type end and the vertical portion with V-type end vertical, and four formed coils are longitudinal superposition at V-type end,
Vertical portion is lateral Juxtaposition and Superimposition, and the v-angle angle at V-type end here is 15-50 degree.
Compared with the existing technology, technical solution of the present invention further includes many details in addition to the improvement of overall technical architecture
The improvement of aspect, specifically, having the advantages that
1, improvement project of the present invention has been sequentially connected in series cartridge type motor stator and disk type electric machine stator in shaft, casing
Both ends are respectively equipped with fixed end cap, and there are phases for the current harmonics that the current harmonics that cartridge type electric machine structure generates is generated with disc type electric machine
Difference on position and amplitude is conducive to improve motor waveform, improves motor performance to have the function that mutually to weaken；
2, in technical solution of the present invention, through hard winding is equipped in cartridge type motor stator and disk type electric machine stator, due to adopting
With the structure of hard winding, copper factor is considerably increased, and the hard winding that end is utilized is made into disc type electric machine, increases copper
Utilization rate improves the efficiency of motor；
3, the present invention combines cartridge type permanent magnet synchronous motor and disc type electric machine feature, takes full advantage of motor inner space, shaft end is adopted
With disc type electric machine structure, the torque density of motor is further improved；
4, design structure of the invention is rationally distributed, and easy making process, cost is relatively low, easy to spread and application.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is cross-sectional view of the invention.
Fig. 3 is the hard structural schematic diagram around grouping of the invention.
Fig. 4 is the structural schematic diagram of hard winding of the invention.
Fig. 5 is the structural schematic diagram that hard winding of the invention is inserted into cartridge type motor stator.
Fig. 6 is the combination schematic diagram of hard winding and disk type electric machine stator of the invention.
Appended drawing reference:
1. 5. disk type electric motor rotor of drive end bearing bracket 2 casing, 3. cartridge type motor stator, 4. disk type electric machine stator, 6. rear end cap 7.
Hard 13. rotor end plates of winding, 14. axis of 8. 10. round nut of hard 9. desk permanent-magnet body of winding of round nut, 11. magnetic isolation plate 12.
15. bearing；
81. firmly around grouping 82. V-type end, 83. vertical portion.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
The present invention provides a kind of permanent magnetism integrated motors, the area referring specifically to Fig. 1, including casing, with the prior art
It is not: is equipped with shaft in casing, has been sequentially connected in series cartridge type motor stator and disk type electric machine stator, disk type electric machine stator in shaft
One end be equipped with matched disk type electric motor rotor disk, the both ends of casing are respectively equipped with fixed end cap, cartridge type motor stator and
Through equipped with hard winding in disk type electric machine stator.
Specifically, winding uses hard winding, and the shape that is in U-shape is buckled on disk type electric machine stator, and the hard winding of 4-8 root is in ladder
Shape, stator case lower section are provided with through-hole, and hard winding is drawn from through-hole, is inserted into cartridge type motor stator, other end bent jointing.
Present invention combination cartridge type permanent magnet synchronous motor and disc type electric machine feature, take full advantage of motor inner space, and shaft end uses disc type
Electric machine structure, further improves the torque density of motor, and torque density has original cartridge type motor torque density in 8Nm/kg
It is promoted to 10Nm/kg to 14Nm/kg to 18Nm/kg.
In one embodiment, cartridge type motor stator and disk type electric machine stator, the stator are fixedly installed in chassis chamber
Inside there is perforative hard winding, the disc type stator rear end cap, which is surveyed, is equipped with rotor disk, and permanent magnetism is equipped between the stator and rotor disk
Body, the permanent magnet are fixed on rotor disk, and the rotor disk covers in shaft.
Further, hard winding pieces together columned frame structure around grouping firmly by several, generally hard using 8-20
It is put together around grouping, is each formed by stacking in a manner of stair-stepping around grouping by four formed coils firmly, so that each up and down
There is dislocation between the formed coil of layer；Be buckled in after one end bending of hard winding disk type electric machine stator surface formed disc type around
Group, the other end are inserted into cartridge type motor stator and form cartridge type winding after bending.
It further illustrates, the dislocation between upper and lower each formable layer coil of grouping firmly can make space structure become tighter
It gathers, improves winding utilization, if formed coil, with a thickness of b, dislocation distance is b+0.3mm to b+0.5mm.
Specifically, it each is buckled in disk type electric machine stator surface at V-type after the bending of one end of grouping firmly, so that disc type
It intersects vertically between winding and cartridge type winding in 90 degree.Each be formed by stacking firmly around grouping by four formed coils, every at
Type coil includes a V-type end and the vertical portion with V-type end vertical, the phase vertical with V-type open end of vertical component effect here
It hands over, it is along shaft radial direction in vertical portion that four formed coils, which are to be superimposed along the longitudinal up and down of shaft radial direction at V-type end,
The front and back transverse direction Juxtaposition and Superimposition in direction, the v-angle angle at V-type end here are 15-50 degree.
Further, each firmly around one end of grouping can also be bent into it is U-shaped after be buckled in disk type electric machine stator surface, adopt
It is superimposed to form one firmly around grouping with 8 formed coils, there is dislocation firmly between upper and lower each formable layer coil of grouping.
In another embodiment, the slot number of cartridge type motor stator and the slot number of disc type electric machine are identical, and rotor number of poles is identical.
It is equipped with cartridge type rotor in cartridge type motor stator, is embedded with cartridge type permanent magnet, cartridge type rotor and disk type electric machine stator in cartridge type rotor
Between be equipped with magnetic isolation plate.Desk permanent-magnet body is embedded in disk type electric motor rotor disk, desk permanent-magnet body is fixed on disc type by screw
On rotor disk, screw is located at the geometric center position of permanent magnet.Disk type electric machine stator is formed by 12 pieces of silicon steel plate stackings, and is led to
Screw is crossed to be fixed in disc type electronics stator case.Cartridge type rotor and disk type electric motor rotor and shaft are solid radial through keyway
Fixed, the both ends of shaft are respectively equipped with a deep groove ball bearing.
It each is buckled in disk type electric machine stator surface at V-type after the bending of one end of grouping firmly, so that disc type winding and cylinder
It intersects vertically between formula winding in 90 degree.Here vertical component effect intersects vertically with V-type open end, and four formed coils are in V
Type end is to be superimposed along the longitudinal up and down of shaft radial direction, laterally arranged side by side before and after being along shaft radial direction in vertical portion
Superposition, the v-angle angle at V-type end here are 30 degree, and then the two of V-type side translates, and can guarantee that slot is parallel in this way
Slot, the lower hard winding just put, copper factor can be very high.
In a specific embodiment, using 12 slot of cartridge type, 8 pole motor stator and 12 slot of disc type, 8 pole electronics stator string
Connection, the current harmonics that the current harmonics and disc type electric machine that cartridge type electric machine structure generates generate there are the difference in phase and amplitude,
To have the function that mutually to weaken, is conducive to improve motor waveform, improves motor performance, it is humorous can effectively to cut down electric current
Wave, percent harmonic distortion can reduce by 50% or more compared with common cartridge type motor.
Specifically, disk type electric machine stator is 12 slot, 8 pole structure, and there are two coils for every slot, and magnet steel is surface-mount type.Winding is adopted
With hard winding, the shape that is in U-shape is buckled on disk type electric machine stator, and 6 hard windings are stepped, is provided with through-hole below stator case, firmly
Winding is drawn from through-hole, is inserted into cartridge type motor stator, other end bent jointing.Cartridge type motor stator and disk type electric machine stator
Slot number is identical, and rotor number of poles is identical, using centralized winding, 8 conductors of every slot.The number of poles of cartridge type motor and disc type electric machine phase
Together, it will not generate due to the different caused shaft discontinuity phenomenon of field structure.
In conclusion present invention combination cartridge type motor, disc type electric machine feature, compare biggish feelings in demand axial space
Under condition, the electric machine structure combined using cartridge type disc type makes full use of in axial space size and disc type electric machine unit volume
The big feature of power, shaft end use disc type electric machine structure, further improve the torque density of motor, torque density has original cylinder
Formula motor torque density is promoted in 8Nm/kg to 10Nm/kg and proposes a kind of novel Permanent Magnet and Electric to 14Nm/kg to 18Nm/kg
Machine structure improves the space utilization rate of motor, increases the torque output of motor.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Present invention specific implementation is confined to these above-mentioned explanations.For those of ordinary skill in the art to which the present invention belongs,
Without departing from the inventive concept of the premise, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to the present invention
Protection scope.
Claims (9)
1. a kind of permanent magnetism integrated motor, including casing, it is characterised in that: be equipped with shaft in casing, be sequentially connected in series in shaft
One end of cartridge type motor stator and disk type electric machine stator, disk type electric machine stator is equipped with matched disk type electric motor rotor disk, machine
The both ends of shell are respectively equipped with fixed end cap, run through in cartridge type motor stator and disk type electric machine stator and are equipped with hard winding.
2. a kind of permanent magnetism integrated motor according to claim 1, it is characterised in that: hard winding is by several firmly around grouping
It pieces together cylindric, is each formed by stacking in a manner of stair-stepping around grouping by 4-8 root formed coil firmly, so that each up and down
There is dislocation between the formed coil of layer；Be buckled in after one end bending of hard winding disk type electric machine stator surface formed disc type around
Group, the other end are inserted into cartridge type motor stator and form cartridge type winding after bending.
3. a kind of permanent magnetism integrated motor according to claim 1, it is characterised in that: the slot number and disk of cartridge type motor stator
The slot number of formula motor is identical, and rotor number of poles is identical.
4. a kind of permanent magnetism integrated motor according to claim 1, it is characterised in that: be equipped with cartridge type in cartridge type motor stator
Rotor is embedded with cartridge type permanent magnet in cartridge type rotor, and magnetic isolation plate is equipped between cartridge type rotor and disk type electric machine stator.
5. a kind of permanent magnetism integrated motor according to claim 1, it is characterised in that: be embedded in disk type electric motor rotor disk
Desk permanent-magnet body, desk permanent-magnet body are fixed on disk rotor disk by screw, and screw is located at the geometric center position of permanent magnet.
6. a kind of permanent magnetism integrated motor according to claim 2, it is characterised in that: each bent firmly around one end of grouping
It is buckled in disk type electric machine stator surface at V-type afterwards, so that intersecting vertically between disc type winding and cartridge type winding in 90 degree.
7. a kind of permanent magnetism integrated motor according to claim 6, it is characterised in that: each formed firmly around grouping by four
Coil is formed by stacking, and every formed coil includes a V-type end and the vertical portion with V-type end vertical, four formed coils
It is longitudinal superposition at V-type end, is lateral Juxtaposition and Superimposition in vertical portion, the v-angle angle at V-type end here is 15-50 degree.
8. a kind of permanent magnetism integrated motor according to claim 1, it is characterised in that: disk type electric machine stator is by silicon steel sheet stack
It presses, and is fixed by screws in disc type electronics stator case.
9. a kind of permanent magnetism integrated motor according to claim 1, it is characterised in that: cartridge type rotor and disc type electric machine
Rotor and shaft are fixed radial through keyway, and the both ends of shaft are respectively equipped with a deep groove ball bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811592948.5A CN109728698A (en) | 2018-12-25 | 2018-12-25 | A kind of permanent magnetism integrated motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811592948.5A CN109728698A (en) | 2018-12-25 | 2018-12-25 | A kind of permanent magnetism integrated motor |
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| Publication Number | Publication Date |
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| CN109728698A true CN109728698A (en) | 2019-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811592948.5A Pending CN109728698A (en) | 2018-12-25 | 2018-12-25 | A kind of permanent magnetism integrated motor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112072881A (en) * | 2020-08-31 | 2020-12-11 | 珠海格力电器股份有限公司 | Motor and compressor |
| CN112688453A (en) * | 2020-12-09 | 2021-04-20 | 诺丁汉(余姚)智能电气化研究院有限公司 | End winding flux motor |
-
2018
- 2018-12-25 CN CN201811592948.5A patent/CN109728698A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112072881A (en) * | 2020-08-31 | 2020-12-11 | 珠海格力电器股份有限公司 | Motor and compressor |
| CN112688453A (en) * | 2020-12-09 | 2021-04-20 | 诺丁汉(余姚)智能电气化研究院有限公司 | End winding flux motor |
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