CN107579646A - Variable voltage control type permanent magnet speed regulation device - Google Patents
Variable voltage control type permanent magnet speed regulation device Download PDFInfo
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- CN107579646A CN107579646A CN201711044802.2A CN201711044802A CN107579646A CN 107579646 A CN107579646 A CN 107579646A CN 201711044802 A CN201711044802 A CN 201711044802A CN 107579646 A CN107579646 A CN 107579646A
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- 238000004804 winding Methods 0.000 claims description 54
- 238000005096 rolling process Methods 0.000 claims description 26
- 230000008878 coupling Effects 0.000 claims description 15
- 238000010168 coupling process Methods 0.000 claims description 15
- 238000005859 coupling reaction Methods 0.000 claims description 15
- 229910000838 Al alloy Inorganic materials 0.000 claims description 11
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 11
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 6
- 239000000696 magnetic material Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 230000035699 permeability Effects 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 238000009827 uniform distribution Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000008859 change Effects 0.000 description 5
- 230000004323 axial length Effects 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
The invention discloses a kind of variable voltage control type permanent magnet speed regulation device, including generator and asynchronous motor, described generator is connected by power supply output line with asynchronous motor.Described generator includes generator unit stator assembly, generator amature assembly, generator pit and guide rail；The inside of described generator pit is equipped with stator core and on guide rail；Described guide rail is parallel with the rotation axis of power input shaft, and described generator pit is slidably connected with guide rail.Present invention eliminates the dual-rotor structure of existing permanent magnetic speed-adjusting transmission device, remaining structure is same as the prior art, therefore can maximally utilise the mature technology of existing generator or asynchronous motor.The stator core of the generator of the present invention is not rotated about the axis thereof, and variable voltage control is carried out merely with a guide rail that can be translated along stator core axis direction, therefore its arrangements for speed regulation mechanical wear is small, and degree of regulation is also high.
Description
Technical field
The present invention relates to permanent magnet speed regulation device, particularly a kind of variable voltage control type permanent magnet speed regulation device.
Background technology
Existing permanent magnet speed regulation device is to rotate the rotating excitation field to be formed using p-m rotor to lead with solid conductor or bulk
Caused Lorentz force realizes the motion transmission between engine and working machine when body phase is mutually moved.Because conductor is inducted
Electric current be vortex, be vortexed when slip increases, caused by it and also increase, due to this partial vortices can only in solid conductor or
Consumed in bulk conductor in the form of heat, therefore caused heat is larger, the power transmitted under the conditions of air cooling is smaller.
Chinese patent CN201710262226.2 proposes a kind of " permanent magnet speed regulation device based on electric current adjusting type ", the dress
The speed adjusting mechanism put is：By adjusting the size of the external variable resistance box internal resistance resistance in current adjusting device assembly,
Mechanical property is set to change；When external variable resistance box increases, induced current in coil windings will reduce, produced by it
Lorentz force also reduce therewith, therefore the output speed of power output shaft and torque also reduce therewith.The advantages of device is
Induced current caused by big slip is shed by variable resistance box, traditional permanent magnet speed regulation device heat is solved and is difficult to what is shed
Problem；Its shortcoming is：The device also use traditional permanent magnet speed regulation device inside and outside dual-rotor structure, when the power transmitted compared with
When big, the radius of gyration of inner and outer Rotator will increased dramatically, interior now in addition to requiring higher to the dynamic balance property of inner and outer Rotator
Coil windings in rotor assembly will also bear great centrifugal force, cause coil windings (particularly when it is to dissipate winding coil
When) easily damage；In addition, the current adjusting device assembly of the device also includes slip ring and brush, its caused defect is cunning
Ring and brush are prone to wear out when working, and need to often be changed.
The content of the invention
To solve above mentioned problem existing for prior art, the present invention will design a kind of variable voltage control that can realize following purpose
Type permanent magnet speed regulation device：
1st, solves the big slip heating problem of existing permanent magnet speed regulation device.
2nd, solves the problems, such as the dual-rotor structure in existing permanent magnet speed regulation device.
3rd, solves the easily damaged problem of coil windings in Chinese patent CN201710262226.2 internal rotor assemblies.
4th, solve the problems, such as that Chinese patent CN201710262226.2 contains consumable accessory slip ring and brush.
To achieve the above object, technical scheme is as follows：
Variable voltage control type permanent magnet speed regulation device, including generator and asynchronous motor, described generator and rotary power
Source is connected, and described asynchronous motor connects with load, and described generator is connected by power supply output line with asynchronous motor；
Described generator includes generator unit stator assembly, generator amature assembly, generator pit and guide rail；
Described generator unit stator assembly is made up of stator core A and stator winding A；Stator winding A is arranged on stator iron
In heart A groove, stator winding A power supply output line is drawn by terminal box picks out end phase with the winding in motor stator assembly
Even；Stator core A is arranged in generator pit；
The inside of described generator pit is equipped with stator core A and on guide rail；Described guide rail and power are defeated
Enter that the rotation axis of axle is parallel, described generator pit is slidably connected with guide rail；
It is defeated that described generator amature assembly includes permanent magnet, rotor core A, left end bearing block, right-hand member bearing block, power
Enter axle and bottom plate；Described rotor core A is made up of permeability magnetic material, on rotor core A uniformly with the physical dimension of permanent magnet and
Shape identical groove, for installing permanent magnet；Described left end bearing block is identical with the physical dimension and structure of right-hand member bearing block,
Described left end bearing block is described with installing left end rolling bearing and right-hand member rolling bearing respectively in the type hole of right-hand member bearing block
Left end bearing block and right-hand member bearing block are separately mounted on bottom plate, and described left end bearing block, right-hand member bearing block are and generator
Stator core A is coaxial；The both ends of described power input shaft are separately mounted to the interior of left end rolling bearing and right-hand member rolling bearing
Kong Zhong；One end of the power input shaft is connected by left end shaft coupling with rotating power source output shaft；
Described asynchronous motor includes motor stator assembly and motor rotor assembly；
Described motor stator assembly is made up of stator core B, stator winding B and motor bed-plate；Described stator
In stator core B groove, stator core B is arranged in motor bed-plate winding B；
Described motor rotor assembly is made up of rotor core B, rotor windings B and power output shaft；Described rotor
B unshakable in one's determination is formed by the silicon steel sheet pressure that changes, and has one and cylindrical concentric centre bore on rotor core B, outer round surface is uniform-distribution with
Rotor slot, there are the both ends that a sliver stretches out in rotor core B in each rotor slot, and will be all with left end ring and right-hand member ring
Sliver connects composition rotor windings B；The geometry of sliver cross section is consistent with rotor slot；Described sliver, left end ring
And right-hand member ring is made by the aluminium alloy or copper alloy of low conductivity；Described power output shaft is arranged in rotor core B
In heart hole；One end of the power output shaft is connected by right-hand member shaft coupling with load.
Further, described stator core A is arranged in generator pit or passed through interference side by key joint mode
Formula is compressed in generator pit.
Further, described power output shaft by key joint mode installed in rotor core B centre bore in or mistake
The mode of being full of is compressed in rotor core B centre bore.
Second technical scheme of the present invention is as follows：
Variable voltage control type permanent magnet speed regulation device, including generator and asynchronous motor, described generator and rotary power
Source connects, and described asynchronous motor connects with load, and the power input shaft of described generator passes through bearing and power output
Axle connects with one heart；
Described generator includes field frame assembly, generator amature assembly, support and guide rail；
Described field frame assembly is made up of stator core C and stator winding C；Stator winding C is arranged on stator core C groove
In；Stator core C is arranged in support；
Described support is arranged on bottom plate；Described guide rail is parallel with the rotation axis of power input shaft, and described leads
Rail is slidably connected with spline housing；
It is defeated that described generator amature assembly includes permanent magnet, rotor core A, left end bearing block, right-hand member bearing block, power
Enter axle and bottom plate；Described rotor core A is made up of permeability magnetic material, on rotor core A uniformly with the physical dimension of permanent magnet and
Shape identical groove, for installing permanent magnet；Described left end bearing block is identical with the physical dimension and structure of right-hand member bearing block,
Described left end bearing block is described with installing left end rolling bearing and right-hand member rolling bearing respectively in the type hole of right-hand member bearing block
Left end bearing block and right-hand member bearing block are separately mounted on bottom plate, and described left end bearing block, right-hand member bearing block are and generator
Stator core A is coaxial；The both ends of described power input shaft are separately mounted to the interior of left end rolling bearing and right-hand member rolling bearing
Kong Zhong；One end of the power input shaft is connected by left end shaft coupling with rotating power source output shaft；
Described asynchronous motor includes field frame assembly and motor rotor assembly；Described asynchronous motor and generator
Share field frame assembly and support；
Described motor rotor assembly is made up of rotor core B, rotor windings B and power output shaft；Described rotor
B unshakable in one's determination is formed by the silicon steel sheet pressure that changes, and has one and cylindrical concentric centre bore on rotor core B, outer round surface is uniform-distribution with
Rotor slot, there are the both ends that a sliver stretches out in rotor core B in each rotor slot, and will be all with left end ring and right-hand member ring
Sliver connects composition rotor windings B；The geometry of sliver cross section is consistent with rotor slot；Described sliver, left end ring
And right-hand member ring is made by the aluminium alloy or copper alloy of low conductivity；Described power output shaft is arranged in rotor core B
In heart hole；One end of the power output shaft is connected by right-hand member shaft coupling with load；
Described power input shaft is splined shaft, and the spline upper sleeve of power input shaft fills spline housing.
Further, described sliver, left end ring and right-hand member ring are less than 2.3 × 10 by electrical conductivity7Siemens/m aluminium
Alloy or copper alloy are made.
The 3rd technical scheme of the present invention is as follows：
Rotating power source and generator in first technical scheme are replaced using AC stepless pressure regulator；Described exchange
One end of stepless voltage regulator is connected with power network, and the other end is connected by power supply output line with described asynchronous motor.
It is of the invention compared with existing permanent magnetic speed-adjusting transmission device or technology, there is following protrusion property and remarkable advantage：
1st, present invention eliminates the dual-rotor structure of existing permanent magnetic speed-adjusting transmission device, except the generator on guide rail
Outside support can move along stator core A axis direction, remaining mechanical structure is identical with existing generator；The present invention's
Asynchronous motor, its mechanical structure is also identical with existing asynchronous motor, therefore can maximally utilise existing generator
Or the mature technology of asynchronous motor.
2nd, cage bar and end ring of the invention employ the relatively low aluminium alloy or copper alloy of electrical conductivity, therefore when slip increases
When caused induced current it is smaller, and heat and electric current is square directly proportional, therefore the heat formed is also small, and sky can be achieved
High-power and big slip speed governing requirement under cool condition.
3rd, generator of the invention is connected by left end shaft coupling with rotating power source output shaft, only receives rotating power source
Output torque, do not influenceed by rotating power source voltage, therefore even if rotating power source is high-voltage motor, caused by generator
Induced voltage amplitude can be also limited in low pressure range by structure design, be easy to damage when solving the voltage for adjusting high-voltage motor
Bad the problem of.
4th, existing permanent magnet speed regulation device is typically dual-rotor structure, it is necessary to using spline pair by one of rotor
Axis direction movement is carried out while rotation, speed governing is carried out to change rotor axial magnetic flux area, because now spline pair will
Larger frictional force is born, therefore speed adjusting gear is prone to wear out.And the stator core of the generator of the present invention is not around its axis
Rotation, variable voltage control, therefore its arrangements for speed regulation machinery are carried out merely with a guide rail that can be translated along stator core axis direction
Wear small, degree of regulation is also high.
5th, cage bar of the invention is identical with existing asynchronous motor, can bear larger centrifugal force, therefore can be in higher rotation speed
Lower rotation, solve the problems, such as that the coil windings in Chinese patent CN201710262226.2 internal rotor assemblies are easily damaged.
6th, the present invention is without the consumable accessory slip ring and brush described in Chinese patent CN201710262226.2, therefore reliability
And execution efficiency is all high.
Brief description of the drawings
Fig. 1 is the machinery and electrical structure schematic diagram of the present invention.
Fig. 2 is the cross-sectional view of rotor core B of the invention, rotor slot and sliver.
Fig. 3 is the alternative plan machinery and electrical structure schematic diagram of the present invention.
Fig. 4 is the third program machinery and electrical structure schematic diagram of the present invention.
In figure：1st, stator core A, 2, stator winding A, 3, power supply output line, 4, winding pick out end, 5, generator pit,
6th, guide rail, 7, permanent magnet, 8, rotor core A, 9, left end bearing block, 10, right-hand member bearing block, 11, power input shaft, 12, right-hand member
Rolling bearing, 13, bottom plate, 14, left end shaft coupling, 15, rotating power source output shaft, 16, stator core B, 17, stator winding B,
18th, rotor slot, 19, rotor core B, 20, power output shaft, 21, right-hand member shaft coupling, 22, load, 23, left end rolling bearing,
24th, motor bed-plate, 25, sliver, 26, left end ring, 27, right-hand member ring, 28, spline housing, 29, bearing, 30, support, 31, stator iron
Heart C, 32, stator winding C, 33, AC stepless pressure regulator.
Embodiment
The present invention is further described below in conjunction with the accompanying drawings.
As shown in Figure 1-2, variable voltage control type permanent magnet speed regulation device, including generator and asynchronous motor, described generating
Machine is connected with rotating power source, and described asynchronous motor 22 be connected with load, described generator by power supply output line 3 and
Asynchronous motor connects；
Described generator includes generator unit stator assembly, generator amature assembly, generator pit 5 and guide rail 6；
Described generator unit stator assembly is made up of stator core A1 and stator winding A2；Stator winding A2 is arranged on stator
In A1 unshakable in one's determination groove, stator winding A2 power supply output line 3 is drawn by terminal box to be connect with the winding in motor stator assembly
Go out end 4 to be connected；Stator core A1 is arranged in generator pit 5；
The inside of described generator pit 5 is equipped with stator core A1 and on guide rail 6；Described guide rail 6 is with moving
The rotation axis of power input shaft 11 is parallel, and described generator pit 5 is slidably connected with guide rail 6；
Described generator amature assembly include permanent magnet 7, rotor core A8, left end bearing block 9, right-hand member bearing block 10,
Power input shaft 11 and bottom plate 13；Described rotor core A8 is made up of permeability magnetic material, on rotor core A8 uniformly with permanent magnet 7
Physical dimension and shape identical groove, for installing permanent magnet 7；Described left end bearing block 9 is several with right-hand member bearing block 10
What size and structure are identical, and described left end bearing block 9 with installing left end rolling bearing respectively in the type hole of right-hand member bearing block 10
23 and right-hand member rolling bearing 12, described left end bearing block 9 is separately mounted on bottom plate 13 with right-hand member bearing block 10, a described left side
End bearing block 9, right-hand member bearing block 10 are coaxial with generator stator core A1；Pacify respectively at the both ends of described power input shaft 11
In the endoporus of left end rolling bearing 23 and right-hand member rolling bearing 12；One end of the power input shaft 11 passes through left end shaft coupling
Device 14 is connected with rotating power source output shaft 15；
Described asynchronous motor includes motor stator assembly and motor rotor assembly；
Described motor stator assembly is made up of stator core B16, stator winding B17 and motor bed-plate 24；It is described
Stator winding B17 installed in stator core B16 groove in, stator core B16 be arranged on motor bed-plate 24 in；
Described motor rotor assembly is made up of rotor core B19, rotor windings B and power output shaft 20；Described
Rotor core B19 is formed by the silicon steel sheet pressure that changes, and has one and cylindrical concentric centre bore on rotor core B19, and outer round surface is equal
It is even to be dispersed with rotor slot 18, there is a sliver 25 to stretch out in rotor core B19 both ends in each rotor slot 18, and use left end
All slivers 25 are connected composition rotor windings B by ring 26 and right-hand member ring 27；The geometry and rotor of the cross section of sliver 25
Groove 18 is consistent；Described sliver 25, left end ring 26 and right-hand member ring 27 is made by the aluminium alloy or copper alloy of low conductivity；It is described
Power output shaft 20 installed in rotor core B19 centre bore in；One end of the power output shaft 20 passes through right-hand member shaft coupling
Device 21 is connected with load 22.
Further, described stator core A1 is arranged in generator pit 5 or passed through interference by key joint mode
Mode is compressed in generator pit 5.
Further, described power output shaft 20 is arranged on by key joint mode in rotor core B19 centre bore
Or interference mode is compressed in rotor core B19 centre bore.
As shown in figure 3, second technical scheme of the present invention is as follows：
Variable voltage control type permanent magnet speed regulation device, including generator and asynchronous motor, described generator and rotary power
Source is connected, and described asynchronous motor is connected with load 22, and the power input shaft 11 of described generator by bearing 29 and moves
Power output shaft 20 connects with one heart；
Described generator includes field frame assembly, generator amature assembly, support 30 and guide rail 6；
Described field frame assembly is made up of stator core C31 and stator winding C32；Stator winding C32 is arranged on stator iron
In heart C31 groove；Stator core C31 is arranged in support 30；
Described support 30 is installed on base 13；Described guide rail 6 is parallel with the rotation axis of power input shaft 11, institute
The guide rail 6 stated is slidably connected with spline housing 28；
Described generator amature assembly include permanent magnet 7, rotor core A8, left end bearing block 9, right-hand member bearing block 10,
Power input shaft 11 and bottom plate 13；Described rotor core A8 is made up of permeability magnetic material, on rotor core A8 uniformly with permanent magnet 7
Physical dimension and shape identical groove, for installing permanent magnet 7；Described left end bearing block 9 is several with right-hand member bearing block 10
What size and structure are identical, and described left end bearing block 9 with installing left end rolling bearing respectively in the type hole of right-hand member bearing block 10
23 and right-hand member rolling bearing 12, described left end bearing block 9 is separately mounted on bottom plate 13 with right-hand member bearing block 10, a described left side
End bearing block 9, right-hand member bearing block 10 are coaxial with generator stator core A1；Pacify respectively at the both ends of described power input shaft 11
In the endoporus of left end rolling bearing 23 and right-hand member rolling bearing 12；One end of the power input shaft 11 passes through left end shaft coupling
Device 14 is connected with rotating power source output shaft 15；
Described asynchronous motor includes field frame assembly and motor rotor assembly；Described asynchronous motor and generator
Share field frame assembly and support 30；
Described motor rotor assembly is made up of rotor core B19, rotor windings B and power output shaft 20；Described
Rotor core B19 is formed by the silicon steel sheet pressure that changes, and has one and cylindrical concentric centre bore on rotor core B19, and outer round surface is equal
It is even to be dispersed with rotor slot 18, there is a sliver 25 to stretch out in rotor core B19 both ends in each rotor slot 18, and use left end
All slivers 25 are connected composition rotor windings B by ring 26 and right-hand member ring 27；The geometry and rotor of the cross section of sliver 25
Groove 18 is consistent；Described sliver 25, left end ring 26 and right-hand member ring 27 is made by the aluminium alloy or copper alloy of low conductivity；It is described
Power output shaft 20 installed in rotor core B19 centre bore in；One end of the power output shaft 20 passes through right-hand member shaft coupling
Device 21 is connected with load 22；
Described power input shaft 11 is splined shaft, and the spline upper sleeve of power input shaft 11 fills spline housing 28.
Further, described sliver 25, left end ring 26 and right-hand member ring 27 by electrical conductivity be less than 2.3 ×
107Siemens/m aluminium alloy or copper alloy is made.
As shown in Fig. 1,4, the of the invention the 3rd technical scheme is as follows：
Rotating power source and generator in first technical scheme are replaced using AC stepless pressure regulator 33；Described friendship
One end of stream stepless voltage regulator 33 is connected with power network, and the other end is connected by power supply output line 3 with described asynchronous motor.
The operation principle of the present invention is as follows：
The generator power input shaft 11 of the present invention is connected with rotating power source output shaft 15, permanent magnet 7 is formed rotation
Magnetic field, stator winding A2 cutting magnetic lines in generator unit stator assembly simultaneously produce induced potential；Caused induced potential leads to
Cross power supply output line 3 and pick out end 4 through winding and be added on motor stator winding B17 and be allowed to form induced current, the electricity of inducting
The sliver 25 in the rotating excitation field cutting rotor iron core B19 formed is flowed, and closes formation through left end ring 26 and right-hand member ring 27 and inducts
Electric current, and then produce the direction of rotation rotation that Lorentz force makes rotor core B19 and power output shaft 20 along permanent magnet 7.
The present invention speed adjusting mechanism be：Axial length of the permanent magnet 7 in stator winding A2 is adjusted by guide rail 6 to be adjusted
Speed.Because induced potential is only directly proportional to the product of air-gap flux, the rotating speed of p-m rotor and axial length, and it is of the present invention
Gas length between permanent magnet 7 and stator winding A2 is constant, its rotary speed and the rotating speed phase of rotating power source output shaft 15
Together, it is also constant, therefore caused induced potential value is only related in stator winding A2 axial length corresponding thereto；When axial length
During degree increase, the increase of induced potential value；Conversely, then reduce.
Due to asynchronous motor output torque and stator winding terminal voltage it is square directly proportional, therefore when voltage becomes
During change, its output torque by square times change, that is, change motor stator winding terminal voltage when, cluster machine can be obtained
The different curve of tool characteristic, and obtain different rotating speeds.When the mechanical property of asynchronous motor is harder, although torque capacity declines
A lot, but speed adjustable range is less than normal, therefore is expanding governing, rotor shallower present invention employs depth but larger sectional area
Groove 18, and employ the relatively low aluminium alloy of electrical conductivity or copper alloy manufacture sliver 25, above-mentioned measure can be allowed to described asynchronous
Motor forms softer mechanical property, to widen the speed adjustable range of power output shaft 20.
The present invention is not limited to the present embodiment, any equivalent concepts in the technical scope of present disclosure or changes
Become, be classified as protection scope of the present invention.
Claims (6)
1. variable voltage control type permanent magnet speed regulation device, it is characterised in that：Including generator and asynchronous motor, described generator with
Rotating power source connects, and described asynchronous motor is connected with load (22), described generator by power supply output line (3) and
Asynchronous motor connects；
Described generator includes generator unit stator assembly, generator amature assembly, generator pit (5) and guide rail (6)；
Described generator unit stator assembly is made up of stator core A (1) and stator winding A (2)；Stator winding A (2) is arranged on fixed
In the groove of son A (1) unshakable in one's determination, stator winding A (2) power supply output line (3) passes through in terminal box extraction and motor stator assembly
Winding pick out end (4) be connected；Stator core A (1) is arranged in generator pit (5)；
The inside of described generator pit (5) is equipped with stator core A (1) and on guide rail (6)；Described guide rail (6)
Parallel with the rotation axis of power input shaft (11), described generator pit (5) is slidably connected with guide rail (6)；
Described generator amature assembly includes permanent magnet (7), rotor core A (8), left end bearing block (9), right-hand member bearing block
(10), power input shaft (11) and bottom plate (13)；Described rotor core A (8) is made up of permeability magnetic material, on rotor core A (8)
Uniformly with the physical dimension and shape identical groove of permanent magnet (7), for installing permanent magnet (7)；Described left end bearing block (9)
It is identical with the physical dimension and structure of right-hand member bearing block (10), described left end bearing block (9) and the type of right-hand member bearing block (10)
Left end rolling bearing (23) and right-hand member rolling bearing (12), described left end bearing block (9) and right-hand member bearing are installed respectively in hole
Seat (10) be separately mounted on bottom plate (13), described left end bearing block (9), right-hand member bearing block (10) with generator unit stator iron
Heart A (1) is coaxial；The both ends of described power input shaft (11) are separately mounted to left end rolling bearing (23) and right-hand member rolling bearing
(12) in endoporus；One end of the power input shaft (11) passes through left end shaft coupling (14) and rotating power source output shaft (15)
It is connected；
Described asynchronous motor includes motor stator assembly and motor rotor assembly；
Described motor stator assembly is made up of stator core B (16), stator winding B (17) and motor bed-plate (24)；Institute
For the stator winding B (17) stated in stator core B (16) groove, stator core B (16) is arranged on motor bed-plate (24)
In；
Described motor rotor assembly is made up of rotor core B (19), rotor windings B and power output shaft (20)；Described
Rotor core B (19) is formed by the silicon steel sheet pressure that changes, and has one and cylindrical concentric centre bore, cylindrical table on rotor core B (19)
Face is uniform-distribution with rotor slot (18), has a sliver (25) to stretch out in rotor core B's (19) in each rotor slot (18)
Both ends, and all slivers (25) are connected into composition rotor windings B with left end ring (26) and right-hand member ring (27)；Sliver (25) is horizontal
The geometry in section is consistent with rotor slot (18)；Described sliver (25), left end ring (26) and right-hand member ring (27) is by low electricity
The aluminium alloy or copper alloy of conductance are made；Described power output shaft (20) is in rotor core B (19) centre bore；Institute
The one end for stating power output shaft (20) is connected by right-hand member shaft coupling (21) with load (22).
2. variable voltage control type permanent magnet speed regulation device according to claim 1, it is characterised in that：Described stator core A (1)
It is arranged in generator pit (5) by key joint mode or is compressed on by interference mode in generator pit (5).
3. variable voltage control type permanent magnet speed regulation device according to claim 1, it is characterised in that：Described power output shaft
(20) it is arranged on by key joint mode in rotor core B (19) centre bore or interference mode is compressed on rotor core B (19)
Centre bore in.
4. variable voltage control type permanent magnet speed regulation device, it is characterised in that：Including generator and asynchronous motor, described generator with
Rotating power source is connected, and described asynchronous motor is connected with load (22), and the power input shaft (11) of described generator is logical
Cross bearing (29) and power output shaft (20) is concentric is connected；
Described generator includes field frame assembly, generator amature assembly, support (30) and guide rail (6)；
Described field frame assembly is made up of stator core C (31) and stator winding C (32)；Stator winding C (32) is arranged on stator
In the groove of C (31) unshakable in one's determination；Stator core C (31) is arranged in support (30)；
Described support (30) is arranged on bottom plate (13)；The rotation axis of described guide rail (6) and power input shaft (11) is put down
OK, described guide rail (6) is slidably connected with spline housing (28)；
Described generator amature assembly includes permanent magnet (7), rotor core A (8), left end bearing block (9), right-hand member bearing block
(10), power input shaft (11) and bottom plate (13)；Described rotor core A (8) is made up of permeability magnetic material, on rotor core A (8)
Uniformly with the physical dimension and shape identical groove of permanent magnet (7), for installing permanent magnet (7)；Described left end bearing block (9)
It is identical with the physical dimension and structure of right-hand member bearing block (10), described left end bearing block (9) and the type of right-hand member bearing block (10)
Left end rolling bearing (23) and right-hand member rolling bearing (12), described left end bearing block (9) and right-hand member bearing are installed respectively in hole
Seat (10) be separately mounted on bottom plate (13), described left end bearing block (9), right-hand member bearing block (10) with generator unit stator iron
Heart A (1) is coaxial；The both ends of described power input shaft (11) are separately mounted to left end rolling bearing (23) and right-hand member rolling bearing
(12) in endoporus；One end of the power input shaft (11) passes through left end shaft coupling (14) and rotating power source output shaft (15)
It is connected；
Described asynchronous motor includes field frame assembly and motor rotor assembly；Described asynchronous motor shares with generator
Field frame assembly and support (30)；
Described motor rotor assembly is made up of rotor core B (19), rotor windings B and power output shaft (20)；Described
Rotor core B (19) is formed by the silicon steel sheet pressure that changes, and has one and cylindrical concentric centre bore, cylindrical table on rotor core B (19)
Face is uniform-distribution with rotor slot (18), has a sliver (25) to stretch out in rotor core B's (19) in each rotor slot (18)
Both ends, and all slivers (25) are connected into composition rotor windings B with left end ring (26) and right-hand member ring (27)；Sliver (25) is horizontal
The geometry in section is consistent with rotor slot (18)；Described sliver (25), left end ring (26) and right-hand member ring (27) is by low electricity
The aluminium alloy or copper alloy of conductance are made；Described power output shaft (20) is in rotor core B (19) centre bore；Institute
The one end for stating power output shaft (20) is connected by right-hand member shaft coupling (21) with load (22)；
Described power input shaft (11) is splined shaft, and the spline upper sleeve of power input shaft (11) fills spline housing (28).
5. variable voltage control type permanent magnet speed regulation device according to claim 1, it is characterised in that：Described rotating power source and
Generator is replaced using AC stepless pressure regulator (33)；One end of described AC stepless pressure regulator (33) is connected with power network, separately
One end is connected by power supply output line (3) with described asynchronous motor.
6. the variable voltage control type permanent magnet speed regulation device according to claim any one of 1-4, it is characterised in that：Described sliver
(25), left end ring (26) and right-hand member ring (27) are less than 2.3 × 10 by electrical conductivity7Siemens/m aluminium alloy or copper alloy system
Into.
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| CN201711044802.2A CN107579646A (en) | 2017-10-31 | 2017-10-31 | Variable voltage control type permanent magnet speed regulation device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711044802.2A CN107579646A (en) | 2017-10-31 | 2017-10-31 | Variable voltage control type permanent magnet speed regulation device |
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| CN201711044802.2A Pending CN107579646A (en) | 2017-10-31 | 2017-10-31 | Variable voltage control type permanent magnet speed regulation device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108233673A (en) * | 2018-03-26 | 2018-06-29 | 大连交通大学 | Permanent magnet speed regulation device based on rotor loop induced potential adjusting type |
| CN108429353A (en) * | 2018-03-14 | 2018-08-21 | 西安交通大学 | A kind of spontaneous electrical component suitable for rolling bearing test system |
| CN108551230A (en) * | 2018-04-26 | 2018-09-18 | 黄山科太环保科技有限公司 | A kind of novel speed regulation device of generating set |
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| CN207426952U (en) * | 2017-10-31 | 2018-05-29 | 大连交通大学 | Variable voltage control type permanent magnet speed regulation device |
| CN108233673A (en) * | 2018-03-26 | 2018-06-29 | 大连交通大学 | Permanent magnet speed regulation device based on rotor loop induced potential adjusting type |
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Application publication date: 20180112 |