CN107425697B - A kind of air gap adjustable magnetic gear using side sine magnetic regulating device - Google Patents
A kind of air gap adjustable magnetic gear using side sine magnetic regulating device Download PDFInfo
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- CN107425697B CN107425697B CN201710461909.0A CN201710461909A CN107425697B CN 107425697 B CN107425697 B CN 107425697B CN 201710461909 A CN201710461909 A CN 201710461909A CN 107425697 B CN107425697 B CN 107425697B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/10—Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
- H02K49/102—Magnetic gearings, i.e. assembly of gears, linear or rotary, by which motion is magnetically transferred without physical contact
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/10—Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
- H02K49/104—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element
- H02K49/106—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element with a radial air gap
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/09—Machines characterised by the presence of elements which are subject to variation, e.g. adjustable bearings, reconfigurable windings, variable pitch ventilators
Abstract
The present invention relates to the transmission technical field in mechanical engineering, specifically a kind of air gap adjustable magnetic gear using side sine magnetic regulating device.It includes low speed rotor assembly, high speed rotor assembly and removable adjustable magnetic assembly；It is characterized by: (1) servo motor is connect by lead screw with support frame, servo motor movement drives guide screw movement, and then realizes the axial movement of support frame；(2) outer rotor permanent magnet and internal rotor permanent-magnetic body are all obliquely installed, and magnetic regulating device is formed by stacking by side positive spiral adjustable magnetic pole piece, and is fastened in the card slot on support frame；(3) axial movement of support frame drives magnetic regulating device axial movement, realize the purpose for changing inside and outside size of gaps, and magnetic regulating device upper and lower surface is parallel with outer rotor permanent magnet surface and internal rotor permanent-magnetic body surface face respectively, so that the variation of inside and outside air gap is uniform；The present invention is finally reached the purpose for improving transmission efficiency and torque density by changing inside and outside size of gaps.
Description
Technical field
The present invention relates to the transmission technical fields in mechanical engineering, are a kind of magnetic-gears of non-contact transmission, specifically
It is a kind of air gap adjustable magnetic gear using side sine magnetic regulating device.It can be applied to big vibration, No leakage, big torque
With the non-contact speed change system of high low speed rotation.
Background technique
In fields such as industrial and agricultural production, national defence, Aeronautics and Astronautics, needs transmission mechanism to realize the transmitting of power, realize simultaneously
Speed change.According to the difference of application, people develop various converting means or equipment to meet above-mentioned requirements, such as chain,
Wirerope, transmission belt, screw rod, crank connecting link, slide block mechanism, cam ejection pin mechanism etc..In these converting means, each driver
The problems such as structure contacts with each other, and brings friction, vibration, noise, reduces the transmission efficiency of system and the stability of transmission mechanism.
Magnetic-gear is a kind of contactless transmission device, have good reliability, stable drive, service life it is long, without friction
Loss, without lubrication and the features such as without greasy dirt, be gradually applied to the field of variable speed drives.In existing concentric type magnetic-gear
Outer size of gaps determines a fixed value according to finite element analysis and theoretical calculation, but under the influence of current conditions, magnetic-gear
It is extremely difficult to desired transmission efficiency, this just needs air gap that can change size according to the variation of current conditions, makes magnetic-gear
Transmission efficiency reach desired value, in addition, magnetic regulating device in changing magnetic field by the effect of electromagnetic force, thus magnetic regulating device
Sufficiently large structural strength is needed, existing magnetic regulating device all improves the structural strength of magnetic regulating device using connecting bridge, but even
It connects bridge while increases eddy-current loss, reduce the transmission efficiency of magnetic-gear.
Jiangsu University refers to a kind of concentric magnetic using squirrel-cage magnetic regulating device in patent of invention 201010161362.0
Powershift gear, and squirrel-cage magnetic regulating device is made of soft magnetic materials, improves the structural strength of magnetic regulating device, but also increase simultaneously
The eddy-current loss that magnetic regulating device cutting magnetic induction line generates, so that the transmission efficiency of magnetic-gear is reduced, in addition, the concentric type magnetic
Powershift gear magnetic regulating device axial position is fixed, and the inside and outside air gap of concentric magnetic-gear can not be adjusted.
It is mentioned in patent of invention 200810036390.2 a kind of that permeability magnetic material and non-magnet material is along the circumferential direction tight
The magnetic regulating device of solid matter column, non-magnet material is epoxy resin, but there are whole using epoxy resin as the magnetic regulating device of substrate
The disadvantages of body impact strength is low, and heat resistance is bad, should not use outdoors.
A kind of I-shaped combined type magnetic regulating device, the manufacture of adjustable magnetic pole piece are mentioned in patent of invention 201210432030.0
At I-shaped structure, increase the contact area with non-magnet material, but I-shaped structure magnetic regulating device uses at structural transition
Wide-angle transition be easy to cause stress to concentrate under the action of magnetic regulating device is by electromagnetic force, to cause magnetic regulating device structure
Deformation or destruction.
Summary of the invention
A kind of using the air gap adjustable magnetic gear of side sine magnetic regulating device includes low speed rotor assembly, high speed rotor
Assembly, removable adjustable magnetic assembly；Low speed rotor assembly includes low speed shaft, outer rotor matrix and outer rotor permanent magnet, wherein low
It is connect by general flat key with outer rotor matrix on the right side of fast shaft, inner surface is right relative to outer rotor matrix on the right side of outer rotor matrix
Side external surface is obliquely installed, and tilt angle β, β value range is 5 ° -15 °, while inner surface is viscous on the right side of outer rotor matrix
Equipped with fan-shaped outer rotor permanent magnet, outer rotor permanent magnet alternates close-packed arrays, number of magnetic pole pairs P by the pole N, the pole S1。
High speed rotor assembly includes internal rotor permanent-magnetic body, internal rotor matrix and high speed rotating shaft, wherein internal rotor matrix appearance
Face is obliquely installed relative to high speed rotating shaft, and tilt angle is identical as inner surface tilt angle size on the right side of outer rotor matrix and is β,
It is viscous equipped with fan-shaped internal rotor permanent-magnetic body in interior rotor matrix outer surface simultaneously, and internal rotor permanent-magnetic body is alternateed by the pole N, the pole S
Close-packed arrays, number of magnetic pole pairs P2, while being connect by general flat key with high speed rotating shaft on the right side of internal rotor matrix, high speed rotating shaft is right
Side is connect with high speed axle bearing.
Removable adjustable magnetic assembly include support frame, lead screw, high speed shaft bear box, servo motor, linear guide, cutting ferrule,
Limited block and card slot are both provided with servo motor, and the servo of top and lower section above and below high speed shaft bear box
Motor is symmetrical about high speed rotating shaft, and servo motor is connect by lead screw with support frame, and support frame is made of low magnetic permeability material, branch
It is connected with cutting ferrule on the left of support, and belongs to interference connection between cutting ferrule and support frame, cutting ferrule is equally by low magnetic permeability material (such as Buddhist nun
Dragon, epoxy resin and austenitic stainless steel etc.) it is made, while being connect on the right side of support frame with linear guide, linear guide setting exists
On high speed shaft bear box, limited block has been connected by screw on the left of linear guide.
It is provided with equally distributed card slot on support frame, magnetic regulating device is arranged in card slot, magnetic regulating device quantity is ns, ns
Equal to outer rotor permanent magnet number of magnetic pole pairs P1With internal rotor permanent-magnetic body number of magnetic pole pairs P2The sum of, on the outside of magnetic regulating device and outside support frame
The conical surface that side is formed is parallel with the conical surface formed on the inside of outer rotor permanent magnet, while being formed on the inside of magnetic regulating device on the inside of support frame
The conical surface that is formed of the external side of the conical surface and internal rotor permanent-magnetic it is parallel, magnetic regulating device is formed by adjustable magnetic pole piece along axially stacking, adjustable magnetic
Pole piece is made of high-permeability material (such as silicon steel sheet, ferrite), and adjustable magnetic pole piece side edge shape is the sine song in 1/2 period
Line.
It should be noted that the card slot being arranged on support frame can run through support frame, and card slot mouth is formed on the support frame,
Fastening block has been bolted in each card slot mouth, is in close contact on the left of fastening block with magnetic regulating device, clamps magnetic regulating device, thus
Magnetic regulating device can be sealed, not only had the function of adjustable magnetic function in high temperature resistant magnetic drives but also there is separation sleeve.
Working principle: high speed rotating shaft drives the rotation of internal rotor matrix, the internal rotor permanent-magnetic of internal rotor outer surface of matrix setting
The magnetic line of force that body generates enters in magnetic regulating device in radial direction through interior air gap, after magnetic regulating device is modulated, in radial direction through outer
Air gap reaches outer rotor permanent magnet, finally again passes by magnetic regulating device and returns to internal rotor permanent-magnetic body, so that the magnetic for forming closure returns
Road, and then drive the rotation of outer rotor matrix；Magnetic regulating device medial and lateral surface turns with the external side surface of internal rotor permanent-magnetic and outside respectively
Sub- permanent magnet inner surface is parallel, and outer rotor permanent magnet and internal rotor permanent-magnetic body are obliquely installed, thus magnetic regulating device or so
Two sides are different high, and then magnetic regulating device moves left and right the inside and outside air gap that can change magnetic-gear；When work, servo motor is opened
It is dynamic, guide screw movement is driven, the movement of lead screw drives support frame to move left and right with magnetic regulating device in turn, to change in adjustable magnetic gear
The size of outer air gap.
Magnetic regulating device is formed by stacking by the adjustable magnetic pole piece with connecting bridge in existing magnetic-gear, and connecting bridge is primarily used to
The structural strength of magnetic regulating device is improved, and when magnetic-gear work, magnetic regulating device cutting magnetic induction line can generate eddy-current loss, connection
The presence of bridge increases eddy-current loss, the magnetic regulating device in the present invention by the adjustable magnetic pole piece of side dextrorotation along axially stacking and
At the adjustable magnetic pole piece and support frame contact area of side dextrorotation increase, to improve the structural strength of magnetic regulating device, avoid making
With connecting bridge, so that the eddy-current loss of magnetic-gear is further decreased, meanwhile, the side dextrorotation structure of adjustable magnetic pole piece improves tune
The structural variability of pole piece；Magnetic regulating device both ends in the present invention are different high, magnetic regulating device medial and lateral surface respectively with interior turn
Sub- permanent magnet outer surface is parallel with outer rotor permanent magnet inner surface, and outer rotor permanent magnet and internal rotor permanent-magnetic body tilt
Setting, and then magnetic regulating device moves left and right the inside and outside size of gaps that can change magnetic-gear, and the change of inside and outside size of gaps
The loss of magnetic field energy can be changed, so that the transmission performance of magnetic-gear is further influenced, and existing magnetic-gear is main
It is the size for determining inside and outside air gap by finite element analysis and calculating, does not fully consider real working condition and environment to magnetic
The influence of the transmission efficiency of powershift gear, magnetic regulating device moves left and right the inside and outside size of gaps of change in the present invention, improves magnetic force
Ability of the gear towards different use environments and condition.
Advantages of the present invention
Magnetic regulating device is formed by adjustable magnetic pole piece is axially stacking in the present invention, can reduce the eddy-current loss of magnetic regulating device, together
When, adjustable magnetic pole piece side is arranged to sinusoidal pattern, so that adjustable magnetic pole piece can improve magnetic regulating device structural strength by self structure,
It avoids increasing intensity using connecting bridge, the eddy-current loss of magnetic regulating device can be further decreased, improve the transmission effect of magnetic-gear
Rate；Linear guide improves the mobile accuracy of support frame, and improves the stability of support frame, meanwhile, the left and right of magnetic regulating device
The mobile interior gas for changing magnetic regulating device and outer rotor permanent magnet forms outer air gap and magnetic regulating device and internal rotor permanent-magnetic body is formed
The size of gap, and the change of inside and outside air gap can change the transmission efficiency of magnetic-gear, so that the left and right by magnetic regulating device is moved
It is dynamic to determine the highest position of transmission efficiency；Limited block can limit support frame moving distance, thus guarantee magnetic regulating device not with it is interior
Rotor permanent magnet and outer rotor permanent magnet contact, and limit can be moved along linear guide by unclamping the screw on limited block
Position block is to ideal position.
Detailed description of the invention
Invention is described further with reference to the accompanying drawings and embodiments
Fig. 1 is the assembly diagram using the air gap adjustable magnetic gear of side sine magnetic regulating device.
Fig. 2 is the structural schematic diagram using the air gap adjustable magnetic pinion embodiment 1 of side sine magnetic regulating device.
Fig. 3 is the A-A cross-sectional view using the air gap adjustable magnetic pinion embodiment 1 of side sine magnetic regulating device.
Fig. 4 is inner and outer rotors matrix tilt angle schematic diagram.
Fig. 5 is to match using support frame in the air gap adjustable magnetic pinion embodiment 1 of side sine magnetic regulating device with cutting ferrule
The structural schematic diagram of conjunction.
Fig. 6 is the structural schematic diagram using magnetic regulating device in the air gap adjustable magnetic gear of side sine magnetic regulating device.
Fig. 7 is the structural schematic diagram using adjustable magnetic pole piece in the air gap adjustable magnetic gear of side sine magnetic regulating device.
Fig. 8 is to show using the structure of support frame in the air gap adjustable magnetic pinion embodiment 1 of side sine magnetic regulating device
It is intended to.
Fig. 9 is the schematic diagram of adjustable magnetic pole piece side dextrorotation curve.
Figure 10 is the structural schematic diagram using the air gap adjustable magnetic pinion embodiment 2 of side sine magnetic regulating device.
Figure 11 is the B using support frame in the air gap adjustable magnetic pinion embodiment 2 of side sine magnetic regulating device to view
Figure.
Figure 12 is the C-C cross-sectional view using the air gap adjustable magnetic pinion embodiment 2 of side sine magnetic regulating device.
Specific embodiment
Further explanation is done to the present invention with reference to the accompanying drawing.
Embodiment 1
It using the air gap adjustable magnetic gear of side sine magnetic regulating device include that low speed rotor is total as shown in Figure 1, a kind of
At I, high speed rotor assembly II, removable adjustable magnetic assembly III；As shown in Figure 2, Figure 3 and Figure 4, the low speed rotor assembly I includes
Low speed shaft 1, outer rotor matrix 2 and outer rotor permanent magnet 3 wherein pass through general flat key and outer rotor base on the right side of low speed shaft 1
Body 2 connects, and 2 right side inner surface of outer rotor matrix is obliquely installed relative to 2 right side outer surface of outer rotor matrix, tilt angle β,
β value range is 5 ° -15 °, while viscous equipped with fan-shaped outer rotor permanent magnet 3, outer rotor in outer 2 right side inner surface of rotor matrix
Permanent magnet 3 alternates close-packed arrays, number of magnetic pole pairs P by the pole N, the pole S1；The high speed rotor assembly II include internal rotor forever
Magnet 4, internal rotor matrix 5 and high speed rotating shaft 6, wherein 5 outer surface of internal rotor matrix is obliquely installed relative to high speed rotating shaft 6, is inclined
Rake angle is identical as inner surface tilt angle size on the right side of outer rotor matrix and is β, while in the viscous dress in interior 5 outer surface of rotor matrix
There is fan-shaped internal rotor permanent-magnetic body 4, and internal rotor permanent-magnetic body 4 alternates close-packed arrays, number of magnetic pole pairs P by the pole N, the pole S2, together
When internal rotor matrix 5 on the right side of connect by general flat key with high speed rotating shaft 6, connect on the right side of high speed rotating shaft 6 with high speed axle bearing 11.
As shown in Fig. 2, Fig. 5 and Fig. 8, the removable adjustable magnetic assembly III includes support frame 7, lead screw 8, high speed shaft cartridge housing
Body 9, servo motor 10, linear guide 12, limited block 13 and cutting ferrule 15, all set above and below high speed shaft bear box 9
It is equipped with a servo motor 10, and the servo motor 10 of top and lower section is symmetrical about high speed rotating shaft 6, servo motor 10 passes through silk
Thick stick 8 is connect with support frame 7, and support frame 7 is made of low magnetic permeability material, is connected with cutting ferrule 15 on the left of support frame 7, and cutting ferrule 15 with
Belong to interference connection between support frame 7, cutting ferrule 15 is equally made of low magnetic permeability material, the low magnetic permeability material be nylon,
Epoxy resin or austenitic stainless steel, while 7 right side of support frame is connect with linear guide 12, linear guide 12 is arranged in high speed shaft
On bear box 9, limited block 13 has been connected by screw on the left of linear guide 12.
As shown in figure 5, being provided with equally distributed card slot 16 on support frame as described above 7, adjustable magnetic dress is arranged in card slot 16
14 are set, 14 quantity of magnetic regulating device is ns, nsEqual to 3 number of magnetic pole pairs P of outer rotor permanent magnet1With 4 number of magnetic pole pairs P of internal rotor permanent-magnetic body2
The sum of, 14 outside of magnetic regulating device is parallel with the conical surface formed on the inside of the conical surface and outer rotor permanent magnet 3 formed on the outside of support frame 7,
14 inside of magnetic regulating device is parallel with the conical surface formed on the outside of the conical surface and internal rotor permanent-magnetic body 4 formed on the inside of support frame 7 simultaneously, such as
Shown in Fig. 6 and Fig. 7, magnetic regulating device 14 is formed by adjustable magnetic pole piece 17 along axially stacking, and adjustable magnetic pole piece 17 is by high-permeability material system
At, the high-permeability material is silicon steel sheet or ferrite, and 17 side edge shape of adjustable magnetic pole piece is the sine curve in 1/2 period,
Sine curve is as shown in Figure 9.
Working principle: high speed rotating shaft 6 drives internal rotor matrix 5 to rotate, and the internal rotor of 5 outer surface of internal rotor matrix setting is forever
The magnetic line of force that magnet 4 generates enters in magnetic regulating device 14 in radial direction through interior air gap, after the modulation of magnetic regulating device 14, radially
Outer rotor permanent magnet 3 is reached by outer air gap, magnetic regulating device 14 is finally again passed by and returns to internal rotor permanent-magnetic body 4, to be formed
The magnetic loop of closure, and then outer rotor matrix 2 is driven to rotate；14 medial and lateral surface of magnetic regulating device respectively with internal rotor permanent-magnetic body 4
Outer surface is parallel with 3 inner surface of outer rotor permanent magnet, and outer rotor permanent magnet 3 and internal rotor permanent-magnetic body 4 are obliquely installed,
To which 14 left and right sides of magnetic regulating device is different high, and then magnetic regulating device 14 moves left and right the interior outer gas that can change magnetic-gear
Gap；At work, the starting of servo motor 10 drives lead screw 8 to rotate, and then drives support frame 7 in linear guide 12 along an axial left side
It moves right, linear guide 12 can guarantee the mobile precision and stability of support frame 7, and the change that moves left and right of magnetic regulating device 14 is adjusted
Outer air gap and magnetic regulating device 14 that magnetic device 14 and outer rotor permanent magnet 3 are formed and the interior air gap that internal rotor permanent-magnetic body 4 is formed
Size, and the change of inside and outside air gap can change the transmission efficiency of magnetic-gear, move left and right energy by magnetic regulating device 14
Enough determine the highest position of transmission efficiency, meanwhile, limited block 13 can limit 7 moving distance of support frame, to guarantee that adjustable magnetic fills
It sets 14 not contact with internal rotor permanent-magnetic body 4 and outer rotor permanent magnet 3, and can be by unclamping the screw on limited block 13, edge
Linear guide 12 moves limited block 13 to ideal position；Magnetic regulating device 14 is formed by adjustable magnetic pole piece 17 along axially stacking, can be subtracted
The eddy-current loss of small magnetic regulating device 14 improves magnetic-gear transmission efficiency, while 17 side of adjustable magnetic pole piece uses dextrorotation shaped form
Side enables adjustable magnetic pole piece 17 to be stuck on support frame 7 by the characteristics of itself geometry, improves 14 knot of magnetic regulating device
Structure intensity.
Embodiment 2
It is substantially same as Example 1 in the present embodiment structure, and working principle is same as Example 1, such as Figure 10, Tu11He
Shown in Figure 12, the two is the difference is that the card slot 16 being arranged on support frame 7 in the present embodiment runs through support frame, in support frame 7
Upper formation card slot mouth 20, and in the setting of each 20 two sides of card slot mouth there are two threaded hole, side dextrorotation adjustable magnetic pole piece 17 is superimposed as
Magnetic regulating device 14 card slot 16 is installed by card slot mouth 20, while each card slot mouth 20 is connected with fastening block by bolt 18
19,19 left side of fastening block is in close contact with magnetic regulating device 14, clamps magnetic regulating device 14, so as to which magnetic regulating device 14 is sealed,
Not only had the function of adjustable magnetic speed changing function in high temperature resistant magnetic drives but also there is separation sleeve.
Claims (6)
1. a kind of air gap adjustable magnetic gear using side sine magnetic regulating device, including low speed rotor assembly, high speed rotor
Assembly, removable adjustable magnetic assembly；Low speed rotor assembly includes low speed shaft, outer rotor matrix and outer rotor permanent magnet, wherein low
It is connect by flat key with outer rotor matrix on the right side of fast shaft, while inner surface is viscous equipped with fan-shaped outer rotor on the right side of outer rotor matrix
Permanent magnet, outer rotor permanent magnet alternate close-packed arrays, number of magnetic pole pairs P by the pole N, the pole S1；High speed rotor assembly includes interior
Rotor permanent magnet, internal rotor matrix and high speed rotating shaft, while gluing in interior rotor matrix outer surface equipped with fan-shaped internal rotor permanent-magnetic body,
And internal rotor permanent-magnetic body alternates close-packed arrays, number of magnetic pole pairs P by the pole N, the pole S2, while by flat on the right side of internal rotor matrix
Key is connect with high speed rotating shaft, is connect on the right side of high speed rotating shaft with high speed axle bearing；Removable adjustable magnetic assembly include support frame, lead screw,
High speed shaft bear box, servo motor, linear guide, cutting ferrule, limited block and card slot, it is characterised in that: in high speed shaft cartridge housing
A servo motor is both provided with above and below body, and the servo motor of top and lower section is symmetrical about high speed rotating shaft, watches
It takes motor to connect by lead screw with support frame, is connected with cutting ferrule on the left of support frame, and belong to interference company between cutting ferrule and support frame
It connects, while being connect on the right side of support frame with linear guide, linear guide is arranged on high speed shaft bear box, logical on the left of linear guide
It crosses screw and is connected with limited block；It is provided with equally distributed card slot on support frame, magnetic regulating device, magnetic regulating device are arranged in card slot
Quantity is ns, nsEqual to outer rotor permanent magnet number of magnetic pole pairs P1With internal rotor permanent-magnetic body number of magnetic pole pairs P2The sum of；Outer rotor matrix is right
Side inner surface is obliquely installed relative to outer surface on the right side of outer rotor matrix, and tilt angle β, β value range is 5 ° -15 °, interior turn
Subbase external surface is obliquely installed relative to high speed rotating shaft, inner surface tilt angle size on the right side of tilt angle and outer rotor matrix
It is identical and be β.
2. a kind of air gap adjustable magnetic gear using side sine magnetic regulating device as described in claim 1, feature exist
In: support frame is made of low magnetic permeability material, and cutting ferrule is equally made of low magnetic permeability material, and the low magnetic permeability material is Buddhist nun
Dragon, epoxy resin or austenitic stainless steel.
3. a kind of air gap adjustable magnetic gear using side sine magnetic regulating device as described in claim 1, feature exist
In: magnetic regulating device outside and the conical surface formed on the outside of support frame are parallel with the conical surface formed on the inside of outer rotor permanent magnet, adjust simultaneously
It is parallel with the conical surface that the external side of internal rotor permanent-magnetic is formed with the conical surface formed on the inside of support frame on the inside of magnetic device.
4. a kind of air gap adjustable magnetic gear using side sine magnetic regulating device as claimed in claim 1 or 3, feature
Be: magnetic regulating device is formed by adjustable magnetic pole piece along axially stacking, and adjustable magnetic pole piece is made of high-permeability material, and adjustable magnetic pole piece side
Side shape is the sine curve in 1/2 period, and the high-permeability material is silicon steel sheet or ferrite.
5. a kind of air gap adjustable magnetic gear using side sine magnetic regulating device as described in claim 1, feature exist
In: the card slot being arranged on support frame runs through support frame, and forms card slot mouth on the support frame, and each card slot mouth is bolted
There is fastening block, is in close contact on the left of fastening block with magnetic regulating device, magnetic regulating device is clamped, so as to seal magnetic regulating device, resistance to
Not only had the function of adjustable magnetic function in high temperature magnetic drives but also there is separation sleeve.
6. a kind of air gap adjustable magnetic gear using side sine magnetic regulating device as described in claim 1, feature exist
In: magnetic regulating device medial and lateral surface is parallel with the external side surface of internal rotor permanent-magnetic and outer rotor permanent magnet inner surface respectively, and
Outer rotor permanent magnet and internal rotor permanent-magnetic body are obliquely installed, thus it is different high at left and right sides of magnetic regulating device, and then magnetic regulating device
Move left and right the inside and outside air gap that can change magnetic-gear；At work, servo motor starting drives lead screw rotation, and then drives
Support frame moves left and right in linear guide along axial direction, and linear guide can guarantee the mobile precision and stability of support frame, adjusts
Magnetic device moves left and right the outer air gap for changing magnetic regulating device and outer rotor permanent magnet formation and magnetic regulating device and internal rotor forever
The size for the interior air gap that magnet is formed, and the change of inside and outside air gap can change the transmission efficiency of magnetic-gear, be filled by adjustable magnetic
Moving left and right for setting can determine the highest position of transmission efficiency, meanwhile, limited block can limit support frame moving distance, thus
Guarantee that magnetic regulating device is not contacted with internal rotor permanent-magnetic body and outer rotor permanent magnet, and can be by unclamping the spiral shell on limited block
Nail, moves limited block to ideal position along linear guide；Magnetic regulating device is formed by adjustable magnetic pole piece along axially stacking, can reduce tune
The eddy-current loss of magnetic device improves magnetic-gear transmission efficiency, while adjustable magnetic pole piece side uses sinusoidal side, so that
Adjustable magnetic pole piece can improve magnetic regulating device structural strength by blocking on the support frame the characteristics of itself geometry.
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| CN110115522B (en) * | 2018-02-06 | 2022-03-01 | 佛山市顺德区美的电热电器制造有限公司 | Magnetic transmission disc, magnetic transmission assembly, cutter assembly and food processor |
| CN108418394B (en) * | 2018-05-02 | 2023-09-29 | 盐城永安科技有限公司 | Magnetic gear magnetic adjusting ring and manufacturing method thereof |
| CN108400693B (en) * | 2018-05-02 | 2023-10-03 | 盐城永安科技有限公司 | Magnetic field modulation type coaxial magnetic gear |
| CN108418391B (en) * | 2018-05-02 | 2023-09-29 | 盐城永安科技有限公司 | Completely-spliced magnetic gear modulation ring and splicing method thereof |
| CN109586547B (en) * | 2018-11-21 | 2021-01-05 | 东华大学 | Magnetic gear implementation method with clutch function |
| CN112491242B (en) * | 2020-11-30 | 2022-05-17 | 珠海格力电器股份有限公司 | Magnetic ring adjusting structure, magnetic gear assembly and composite motor |
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| CN101662202A (en) * | 2009-09-25 | 2010-03-03 | 上海大学 | Magnetic field modulating type concentric magnetic gear transmission device in Halbach magnet structure |
| CN101841280A (en) * | 2010-05-04 | 2010-09-22 | 江苏大学 | Concentric magnetic gear using squirrel cage type magnetic field regulating device |
| CN103038547B (en) * | 2010-07-29 | 2015-11-25 | 日立金属株式会社 | Magnetic gear device and holding member |
| CN103036392A (en) * | 2012-12-27 | 2013-04-10 | 江苏大学 | Speed-adjustable permanent magnet inductive worm and wormwheel transmission device |
| CN104753313A (en) * | 2015-03-11 | 2015-07-01 | 江苏大学 | Stainless steel magnetic field regulating device |
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Effective date of registration: 20230718 Address after: 1003, Building A, Zhiyun Industrial Park, No. 13 Huaxing Road, Henglang Community, Dalang Street, Longhua District, Shenzhen City, Guangdong Province, 518000 Patentee after: Shenzhen Wanzhida Technology Transfer Center Co.,Ltd. Address before: Zhenjiang City, Jiangsu Province, 212013 Jingkou District Road No. 301 Patentee before: JIANGSU University Effective date of registration: 20230718 Address after: No. 81-4, No. 81, Chunhui Road, Chunhui Road Street, Dadukou District, Chongqing 400000 Patentee after: Chongqing Yuli Machinery Co.,Ltd. Address before: 1003, Building A, Zhiyun Industrial Park, No. 13 Huaxing Road, Henglang Community, Dalang Street, Longhua District, Shenzhen City, Guangdong Province, 518000 Patentee before: Shenzhen Wanzhida Technology Transfer Center Co.,Ltd. |