CN208767947U - 12/8 pole switching reluctance motor - Google Patents
12/8 pole switching reluctance motor Download PDFInfo
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- CN208767947U CN208767947U CN201821648474.7U CN201821648474U CN208767947U CN 208767947 U CN208767947 U CN 208767947U CN 201821648474 U CN201821648474 U CN 201821648474U CN 208767947 U CN208767947 U CN 208767947U
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Abstract
The utility model discloses a kind of 12/8 pole switching reluctance motors, including switched reluctance machines ontology, position detecting system and controller, switched reluctance machines ontology include casing, stator, rotor, bearing and end cap, and stator includes stator core and stator winding；Stator core includes stator body and magnetic pole of the stator；Rotor includes rotor body and rotor magnetic pole, and the end of each magnetic pole of the stator forms the concave profile to concave；The end of each rotor magnetic pole is formed and concave profile matches and the outer arcuate face of convex；Stator pole shoes are additionally provided on each magnetic pole of the stator；Stator pole shoes are located at the end two sides of each magnetic pole of the stator, and the two sides of stator pole shoes extend end face and the concave profile of magnetic pole of the stator forms the whole end face shunk to two sides, and whole end face is axisymmetricly distributed using the central axes of magnetic pole of the stator as symmetry axis.12/8 pole switching reluctance motor provided by the utility model, detent torque is big, and low-speed performance is good, and high efficiency can be achieved in wide speed regulating range.
Description
Technical field
The utility model relates to motor field more particularly to 12/8 pole switching reluctance motors.
Background technique
Switched reluctance machines are a kind of novel speed regulating motors, and speed-regulating system has both direct current, exchanges the excellent of two class speed-regulating systems
Point is the latest generation continuous speed regulation system after frequency conversion speed-adjusting system, Speed Regulating System of Brushless DC Motor.Switching magnetic-resistance electricity
Machine structure simple rigid, speed-regulating range width, speed adjusting performance is excellent, and all has greater efficiency, system in entire speed adjustable range
High reliablity.However, the torque on rotor is turned by a series of pulses due to the double-salient-pole structure of Conventional switched reluctance motor
Square is formed by stacking, and synthesis torque is non-constant, this causes switched reluctance machines there are intrinsic torque pulsation, and especially motor low speed is run
When torque pulsation it is larger, and when high-speed cruising, because rotor with salient pole structure cause the air drag being subject to revolving speed increase due to become larger,
It reduces working efficiency and improves operating noise.
Therefore, existing switched reluctance machines torque pulsation is big, is a urgent problem to be solved.
Utility model content
The utility model proposes 12/8 pole switching reluctance motor, it is intended to it is big to solve existing switched reluctance machines torque pulsation
The technical issues of.
The utility model proposes 12/8 pole switching reluctance motor, including switched reluctance machines ontology, with switching magnetic-resistance electricity
Controller machine ontology connected position detecting system and be electrically connected with position detecting system, switched reluctance machines ontology packet
Include in hollow tube-shape casing, be sheathed in casing stator, set on it is interior and can relative stator rotation rotor, set on rotor
Both ends are used to support the bearing of the armature spindle of rotor and are used to install and seal the end cap of bearing set on the both ends of casing,
Stator includes stator core and the stator winding that is fixedly connected on stator core；Stator core includes stator body and circumferentially sets
In 12 magnetic pole of the stator in stator body；Rotor includes rotor body and circumferential eight rotor magnetic being set to outside rotor body
Pole, the end of each magnetic pole of the stator form the concave profile to concave；The end of each rotor magnetic pole is formed and concave profile phase
The outer arcuate face of matching and convex；The stator pole shoes for fastening stator winding are additionally provided on each magnetic pole of the stator；Stator poles
Boots are located at the end two sides of each magnetic pole of the stator, and the two sides of stator pole shoes extend end face and the concave profile of magnetic pole of the stator is formed
One whole end face shunk to two sides, whole end face is axisymmetricly distributed using the central axes of magnetic pole of the stator as symmetry axis.
Further, stator winding includes A phase winding, B phase winding and C phase winding, A phase winding, B phase winding and C phase around
It is successively circumferential to be fastened on magnetic pole of the stator.
Further, A phase winding includes interval fastener together in the first A phase coil, the 2nd A phase coil, on magnetic pole of the stator
Three A phase coils and the 4th A phase coil；B phase winding include interval fastener together on magnetic pole of the stator the first B phase winding, the 2nd B phase around
Group, the 3rd B phase winding and the 4th B phase winding；C phase winding include interval fastener together on magnetic pole of the stator the first C phase winding, second
C phase winding, the 3rd C phase winding and the 4th C phase winding.
Further, position detecting system be set to rotor end, position detecting system include rotary transformer stator, with
And the rotary transformer rotor being fixedly connected in rotary transformer stator and with the armature spindle of rotor.
Further, bearing includes the first bearing and second bearing that rotor is used to support set on two ends of rotor；End cap packet
It includes the drive end bearing bracket for being installed on first bearing front end and the rear end cap for being installed on second bearing rear end, switched reluctance machines also wraps
It includes and is installed on the connector cover that rotary transformer stator rear end is used for the terminal box of outlet and is covered in terminal box, in terminal box
Equipped with multiple wire output protectors for outlet.
Further, the section of each magnetic pole of the stator is trapezoidal.
Further, the end of casing is reserved with the casing gear for backstop stator；Casing outer wall is set in equidistant interval
It is equipped with radial reinforcing rib.
Further, casing inner wall and stator outer circle are using interference fit.
Further, casing is equipped with cyclic annular heat radiating fin.
It is had the beneficial effect that acquired by the utility model
12/8 pole switching reluctance motor provided by the utility model, with existing 6/4 pole and 8/6 pole switching reluctance motor phase
Than subversiveness 12 pole of external stator, 8 pole structure of interior encapsulated rotor being used, to guarantee in the case where motor low speed is run
It is able to achieve torque maximum output and torque pulsation is minimum；It is optimized by the end of rotor magnetic pole and magnetic pole of the stator, using pole
Integral end in arc end structure carries out air gap optimization in face of stator, rotor, significantly reduces stator, rotor contact and is detached from
When torque pulsation, so that the torque pulsation of short pitch and diameter pitch be effectively reduced, and improve average torque, while also disappearing
Except the low-frequency harmonics and high-frequency harmonic of partial torque, vibration is reduced；Excitation, power are carried out to A phase coil using position detecting system
Figure generates the reluctance torque for making the axis of rotor magnetic pole and stator winding coincide, and reduces torque pulsation.The utility model provides
12/8 pole switching reluctance motor, structure is simple, brushless abrasion, motor long service life；Rotor is moved back without permanent magnet without high temperature
It is magnetic phenomenon, at low cost, allow higher operating temperature；Detent torque is big, and low-speed performance is good, and height can be achieved in wide speed regulating range
Efficiency.
Detailed description of the invention
Fig. 1 is the radial cross-section of 12/8 pole switching reluctance motor of the utility model, one preferred embodiment；
Fig. 2 is the perspective view of the explosion of 12/8 pole switching reluctance motor first preferred embodiment of the utility model；
Fig. 3 is that the structure of one preferred embodiment of polar arc end structure in 12/8 pole switching reluctance motor of the utility model is shown
It is intended to；
Fig. 4 is the enlarged diagram of part A in Fig. 3；
Fig. 5 is the radial work signal of one preferred embodiment of stator in 12/8 pole switching reluctance motor of the utility model
Figure；
Fig. 6 is switched reluctance machines sheet when the rotor in 12/8 pole switching reluctance motor of the utility model rotates to turn-on angle
The operation principle schematic diagram of body；
Fig. 7 is switched reluctance machines sheet when the rotor in 12/8 pole switching reluctance motor of the utility model rotates to shutdown angle
The operation principle schematic diagram of body；
Fig. 8 is the axial arrangement schematic diagram in 12/8 pole switching reluctance motor of the utility model.
Drawing reference numeral explanation:
10, switched reluctance machines ontology；20, position detecting system；11, casing；12, stator；13, rotor；14, bearing；
15, end cap；121, stator core；122, stator winding；1211, stator body；1212, magnetic pole of the stator；131, rotor body；
132, rotor magnetic pole；12121, concave profile；1321, outer arcuate face；12122, stator pole shoes；12123, whole end face；
12124, extend end face；1221, A phase winding；1222, B phase winding；1223, C phase winding；12211, the first A phase coil；
12212, the 2nd A phase coil；12213, the 3rd A phase coil；12214, the 4th A phase coil；12221, the first B phase winding；
12222, the 2nd B phase winding；12223, the 3rd B phase winding；12224, the 4th B phase winding；12231, the first C phase winding；
12232, the 2nd C phase winding；12233, the 3rd C phase winding；12234, the 4th C phase winding；21, rotary transformer stator；141,
First bearing；142, second bearing；151, drive end bearing bracket；152, rear end cap；40, terminal box；50, connector cover；41, outlet is protected
Set；111, casing gear；112, radial reinforcing rib.
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
It should be appreciated that specific embodiment described herein is only used to explain the utility model, it is not used to limit this
Utility model.
As shown in Figures 1 to 8, the utility model first embodiment proposes a kind of 12/8 pole switching reluctance motor, including opens
The position detecting system 20 and and position detecting system for closing reluctance motor ontology 10, being connected with switched reluctance machines ontology 10
The controller of 20 electrical connections, switched reluctance machines ontology 10 include the casing 11 for being in hollow tube-shape, are sheathed in casing 11 and determine
Son 12, in 12 and can relative stator 12 rotate rotor 13, be used to support set on the both ends of rotor 13 rotor of rotor 13
The bearing 14 of axis and the end cap 15 for being used to install and seal bearing 14 set on the both ends of casing 11, stator 12 include stator
Iron core 121 and the stator winding 122 being fixedly connected on stator core 121；Stator core 121 includes stator body 1211 and week
To 12 magnetic pole of the stator 1212 being set in stator body 1211；Rotor 13 includes rotor body 131 and is circumferentially set to rotor
Eight rotor magnetic poles 132 outside ontology 131, the end of each magnetic pole of the stator 1212 form the concave profile 12121 to concave；Respectively
The end of a rotor magnetic pole 132 is formed and concave profile 12121 matches and the outer arcuate face 1321 of convex；Each stator magnet
The stator pole shoes 12122 for fastening stator winding 122 are additionally provided on pole 1212；Stator pole shoes 12122 are located at each stator
The end two sides of magnetic pole 1212, the two sides of stator pole shoes 12122 extend the concave profile of end face 12124 and magnetic pole of the stator 1212
12121 form the whole end face 12123 shunk to two sides, and whole end face 12123 is with the central axes of magnetic pole of the stator 1212
Symmetry axis is axisymmetricly distributed.Wherein, when magnetic pole of the stator 1212 is with 132 face of rotor magnetic pole, it is located at magnetic pole of the stator 1212 and turns
The first air gap L1 is constituted at intermediate space between 132 liang of arcwall faces of sub- magnetic pole, is located at magnetic pole of the stator 1212 and rotor magnetic pole 132
Two side clearances between two arcwall faces constitute air gap L2.
12/8 pole switching reluctance motor provided in this embodiment, with existing 6/4 pole and 8/6 pole switching reluctance motor phase
Than subversiveness 12 pole of external stator, 8 pole structure of interior encapsulated rotor being used, to guarantee in the case where motor low speed is run
It is able to achieve torque maximum output and torque pulsation is minimum；It is optimized by the end of rotor magnetic pole and magnetic pole of the stator, using pole
Integral end in arc end structure carries out air gap optimization in face of stator, rotor, significantly reduces stator, rotor contact and is detached from
When torque pulsation, so that the torque pulsation of short pitch and diameter pitch be effectively reduced, and improve average torque, while also disappearing
Except the low-frequency harmonics and high-frequency harmonic of partial torque, vibration is reduced；Excitation, power are carried out to A phase coil using position detecting system
Figure generates the reluctance torque for making the axis of rotor magnetic pole and stator winding coincide, and reduces torque pulsation.It is provided in this embodiment
12/8 pole switching reluctance motor, structure is simple, brushless is worn, motor long service life；Rotor demagnetizes without permanent magnet without high temperature
It is phenomenon, at low cost, allow higher operating temperature；Detent torque is big, and low-speed performance is good, can be achieved in wide speed regulating range efficient
Rate can be used in the motor fields such as electric car, battery-operated motor cycle and electro-tricycle.
Preferably, see Fig. 5 to Fig. 7,12/8 pole switching reluctance motor provided in this embodiment, stator winding 122 includes A
Phase winding 1221, B phase winding 1222 and C phase winding 1223, A phase winding 1221, B phase winding 1222 and C phase winding 1223 are successively
Circumferentially it is fastened on magnetic pole of the stator 1212.Specifically, A phase winding 1221 includes interval fastener together in the on magnetic pole of the stator 1212
One A phase coil 12211, the 2nd A phase coil 12212, the 3rd A phase coil 12213 and the 4th A phase coil 12214；B phase winding
1222 include interval fastener together in the first B phase winding 12221, the 2nd B phase winding 12222, the 3rd B phase on magnetic pole of the stator 1212
Winding 12223 and the 4th B phase winding 12224；C phase winding 1223 includes interval fastener together in the first C phase on magnetic pole of the stator 1212
Winding 12231, the 2nd C phase winding 12232, the 3rd C phase winding 12233 and the 4th C phase winding 12234.
Optionally, 12/8 pole switching reluctance motor provided in this embodiment, position detecting system is by being fixed on motor shaft
On rotary transformer rotor, calculate the physical location angle of rotor 13 of offering advice, controller be transferred to, in controller
The lower on/off A phase winding 1221 of control, B phase winding 1222 and C phase winding 1223 with respectively to A phase winding 1221, B phase around
Group 1222 or C phase winding 1223 carries out excitation.
Further, referring to fig. 2,12/8 pole switching reluctance motor provided in this embodiment, position detecting system 20 are set to
The end of rotor 13, position detecting system 20 include rotary transformer stator 21 and be set to rotary transformer stator 21 in and
The rotary transformer rotor being fixedly connected with the armature spindle of rotor 13.Wherein, in the present embodiment, armature spindle and rotary transformer
Using key connection between rotor.
Preferably, see Fig. 2,12/8 pole switching reluctance motor provided in this embodiment, bearing 14 includes being set to rotor 13
Both ends are used to support the first bearing 141 and second bearing 142 of rotor 13；End cap 15 includes being installed on 141 front end of first bearing
Drive end bearing bracket 151 and rear end cap 152 for being installed on 142 rear end of second bearing, switched reluctance machines further include being installed on rotation
Turn terminal box 40 and the connector cover 50 that is covered on terminal box 40 in of 21 rear end of resolver stator for outlet, in terminal box 40
Equipped with multiple wire output protectors 41 for outlet.In the present embodiment, outlet method is come out from one end of motor, this sample prescription
Just lead is installed on product.
Optionally, as shown in Figure 3 and Figure 4,12/8 pole switching reluctance motor provided in this embodiment, each magnetic pole of the stator
1212 section is trapezoidal.In the present embodiment, magnetic pole of the stator 1212 uses trapezium structure, improves magnetic flux density, is conducive to pair
The radial pull generated when magnetic pole on-off when anti-switched reluctance machines work reduces the electromagnetic noise because generating when magnetic pole on-off.
Preferably, see Fig. 8,12/8 pole switching reluctance motor provided in this embodiment, the end of casing 11 is reserved useful
In the casing gear 111 of backstop stator 12, thus convenient and more accurate when installing.Further, 11 outer wall of casing is in equidistant
It is arranged at intervals with radial reinforcing rib 112.Outer wall carries out radial reinforcing rib processing on the casing 11 of the present embodiment product, not only increases
Outer cover intensity reinforces heat dissipation effect, and magnetic field radial pull generation noise when because of work can be effectively reduced.
Preferably, see Fig. 5,12/8 pole switching reluctance motor provided in this embodiment, outside 11 inner wall of casing and stator 12
Circle is using interference fit.In the present embodiment, product case inner wall and stator outer circle interference fit, using hot-pressing processing, do not make
With welding and the processing of glue bonding, more practical environmental protection.
Optionally, 12/8 pole switching reluctance motor provided in this embodiment, casing 11 are equipped with cyclic annular heat radiating fin.In this reality
It applies in example, shell heat radiating fin is ring-type, is more conducive to radiating and prevents from generating resonance in work.Increase in installed equipment
Stability.
As shown in Figures 1 to 8,12/8 pole switching reluctance motor provided in this embodiment, working principle are as follows:
When switched reluctance machines are started to work, the rotor magnetic pole position signal that position detecting system 20 will test is sent to
Controller, controller are determined according to position signal, connect 1221 excitation of A phase winding, and generation is tried hard to make to close on rotor magnetic pole
132 reluctance torques to coincide with 1221 axis of A phase winding.Air gap between rotor magnetic pole 132 and magnetic pole of the stator 1212 is by excessive
Air gap goes to working gas gap, increases suddenly to slow down torque, reduces torque pulsation；When rotor reaches shutdown angle θ off, A phase
Winding 1221 powers off, and the air gap between rotor magnetic pole 132 and magnetic pole of the stator 1212 switchs to excessive air gap by working gas gap, reduces because of A
Influence of the inverse electromotive force that the power-off of phase winding 1221 generates to the torque of rotor 13.After A phase winding 1221 powers off, controller
B phase winding 1222 is connected, 1222 excitation of B phase winding generates general reluctance torque, in cycles.
The above is only the preferred embodiments of the utility model, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other related technical areas are also included in the patent protection scope of the utility model.
Claims (7)
1. a kind of 12/8 pole switching reluctance motor, including switched reluctance machines ontology (10) and the switched reluctance machines ontology
(10) connected position detecting system (20) and the controller being electrically connected with the position detecting system (20), feature exist
In the switched reluctance machines ontology (10) includes the casing (11) for being in hollow tube-shape, is sheathed in the casing (11) and determines
And it can the rotor (13) relative to the stator (12) rotation, two set on the rotor (13) in son (12), described in (12)
End is used to support the bearing (14) of the armature spindle of the rotor (13) and is set to the both ends of the casing (11) for installing
With the end cap (15) for sealing the bearing (14), the stator (12) include stator core (121) and be fixedly connected on it is described fixed
Stator winding (122) on sub- iron core (121)；The stator core (121) includes stator body (1211) and is circumferentially set to institute
State 12 magnetic pole of the stator (1212) in stator body (1211)；The rotor (13) includes rotor body (131) and circumferential direction
Set on eight rotor magnetic poles (132) of the rotor body (131) outside, the end of each magnetic pole of the stator (1212) formed to
The concave profile (12121) of indent；The end of each rotor magnetic pole (132) is formed and the concave profile (12121) phase
The outer arcuate face (1321) of matching and convex；Be additionally provided on each magnetic pole of the stator (1212) for fasten the stator around
The stator pole shoes (12122) of group (122)；The stator pole shoes (12122) are located at the end of each magnetic pole of the stator (1212)
Portion two sides, the two sides of the stator pole shoes (12122) extend the inner arc of end face (12124) and the magnetic pole of the stator (1212)
Shape face (12121) forms the whole end face (12123) shunk to two sides, and the entirety end face (12123) is with the stator
The central axes of magnetic pole (1212) are that symmetry axis is axisymmetricly distributed.
2. 12/8 pole switching reluctance motor according to claim 1, which is characterized in that
The position detecting system (20) is set to the end of the rotor (13), and the position detecting system (20) includes that rotation becomes
It depressor stator (21) and is set in the rotary transformer stator (21) and is fixedly connected with the armature spindle of the rotor (13)
Rotary transformer rotor.
3. 12/8 pole switching reluctance motor according to claim 2, which is characterized in that
The bearing (14) include set on the rotor (13) both ends be used to support the rotor (13) first bearing (141) and
Second bearing (142)；The end cap (15) includes being installed on the drive end bearing bracket (151) of the first bearing (141) front end and being used for
It is installed on the rear end cap (152) of the second bearing (142) rear end, the switched reluctance machines further include being installed on the rotation
The connector cover (50) that resolver stator (21) rear end is used for the terminal box (40) of outlet and is covered on the terminal box (40),
The terminal box (40) is equipped with multiple wire output protectors (41) for outlet.
4. 12/8 pole switching reluctance motor according to claim 1, which is characterized in that
The section of each magnetic pole of the stator (1212) is trapezoidal.
5. 12/8 pole switching reluctance motor according to claim 4, which is characterized in that
The end of the casing (11) is reserved with the casing gear (111) for stator described in backstop (12)；The casing (11)
Outer wall is provided with radial reinforcing rib (112) in equidistant interval.
6. 12/8 pole switching reluctance motor according to claim 5, which is characterized in that
Casing (11) inner wall and the stator (12) outer circle are using interference fit.
7. 12/8 pole switching reluctance motor according to claim 6, which is characterized in that
The casing (11) is equipped with cyclic annular heat radiating fin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821648474.7U CN208767947U (en) | 2018-10-11 | 2018-10-11 | 12/8 pole switching reluctance motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821648474.7U CN208767947U (en) | 2018-10-11 | 2018-10-11 | 12/8 pole switching reluctance motor |
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| Publication Number | Publication Date |
|---|---|
| CN208767947U true CN208767947U (en) | 2019-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821648474.7U Active CN208767947U (en) | 2018-10-11 | 2018-10-11 | 12/8 pole switching reluctance motor |
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| Country | Link |
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| CN (1) | CN208767947U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110474450A (en) * | 2019-09-09 | 2019-11-19 | 江蓝（深圳）新能源科技有限公司 | Integrated 64 pole switching reluctance motor of CVT |
-
2018
- 2018-10-11 CN CN201821648474.7U patent/CN208767947U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110474450A (en) * | 2019-09-09 | 2019-11-19 | 江蓝（深圳）新能源科技有限公司 | Integrated 64 pole switching reluctance motor of CVT |
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