CN101741195B - Permanent magnet synchronous motor with interphase uncoupled structure - Google Patents
Permanent magnet synchronous motor with interphase uncoupled structure Download PDFInfo
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- CN101741195B CN101741195B CN200910217412XA CN200910217412A CN101741195B CN 101741195 B CN101741195 B CN 101741195B CN 200910217412X A CN200910217412X A CN 200910217412XA CN 200910217412 A CN200910217412 A CN 200910217412A CN 101741195 B CN101741195 B CN 101741195B
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Abstract
The invention discloses a permanent magnet synchronous motor with an interphase uncoupled structure, relating to the field of motors and solving the problem that the control precision of current is influenced because magnetic coupling exists between phases and the defect that stator iron loss is larger because a magnetic circuit passed by magnetic flow generated by electrifying each group of windings is longer. The phase unit of a stator comprises a plurality of phase armature iron cores and a plurality of phase armature windings, wherein each phase armature iron core comprises 2k iron core units; each phase armature iron core is a phase armature iron core with comprises 2k iron core units and has a tooth hole; the tooth hole is formed by superposing tooth slots; the two teeth of each iron core unit are arranged along the axial direction; a magnet yoke section is connected between the two teeth; 2k iron core units are sequentially arranged in a housing case at equal intervals along the peripheral direction; and coils are wounded into single-phase armature windings by tooth holes. The motor has im phase units when being an m-phase motor, and the included angle between the axes of two adjacent phase armature windings is an electrical angle of [(j-1)+(1/m)]*180 degrees. The permanent magnet synchronous motor not only can be used as an electromotor but also can be used as a generator.
Description
Technical field
The present invention relates to machine field, be specifically related to a kind of permagnetic synchronous motor.
Background technology
The structure of traditional multi-phase permanent synchronous machine is shown in figure 27.The armature winding of this motor is distributed winding, and the quantity of forming the required coil of winding is many, and each phase winding end of winding intersects each other, the winding terminal minister, and copper loss is big; Winding insulation is complicated, and manufacturing cost is high.Because all have the magnetic coupling between phase and phase, this can influence the control precision of electric current on the one hand because of the existence of mutual inductance; The magnetic flux that also can produce because of the energising of each phase winding on the other hand the magnetic circuit of process is long makes stator iron loss bigger, thereby limited the further raising of electric efficiency.
Summary of the invention
The present invention is in order to solve the problem of the control precision that has magnetic coupling influence electric current between phase and phase; And the magnetic flux that produces of each phase winding energising the magnetic circuit of process long and make the bigger shortcoming of stator iron loss, and a kind of permanent magnet synchronous motor with interphase uncoupled structure has been proposed.
Permanent magnet synchronous motor with interphase uncoupled structure of the present invention is made up of casing, stator and rotor; Rotor is made up of permanent magnet array and rotor yoke; Stator is made up of several facies units; Facies unit is made up of with armature winding mutually several phase armature cores; Each phase armature core is made up of 2k core unit, and each phase armature core is formed the phase armature core that has perforation by 2k core unit, and said perforation is formed by the teeth groove stack of 2k core unit, and each core unit is made up of two teeth and yoke section; Described two teeth are arranged vertically, are connected with the yoke section between described two teeth; 2k core unit along the circumferential direction uniformly-spaced is arranged in the casing successively; Coil is through the perforation coiled one phase phase armature winding of phase armature core; When motor is m phase motor, im facies unit then arranged, the angle between adjacent two phase armature winding axis is [(j-1)+1/m)] * 180 ° electrical degrees, wherein j, k, m, i are natural number.
The present invention adopts special interphase uncoupled structure armature structure, constitutes a kind of permanent magnet synchronous motor with interphase uncoupled structure, has eliminated alternate mutual inductance, has improved the electric current and the controlling electromagnetic torque precision of motor; Coil quantity is few, and processing technology is simple, cost is low, and copper loss is little, efficient is high; Design of electrical motor is simple, and thrust increases easily.Owing to eliminated alternate magnetic coupling, shortened the magnetic circuit of winding magnetic flux, and armature core can adopt silicon steel sheet to build up; Flow direction is vertical with silicon steel sheet lamination direction, so the present invention can reduce the eddy current loss of motor, the raising efficiency of motor; The Current Control precision is high; The reliability of system is high, and is simple in structure, is prone to realize modularization.Permagnetic synchronous motor of the present invention both can be used as motor and had used, and also can be used as generator and used, and had broad application prospects.
Description of drawings
Fig. 1 is the front view of permanent magnet synchronous motor with interphase uncoupled structure of the present invention; Fig. 2 is the radial cross-section of Fig. 1; Fig. 3 to Fig. 9 is the structural representation of core unit 5; Figure 10 is embodiment six described permanent magnet array plane outspread drawings; Figure 11 is the plane outspread drawing of embodiment seven described permanent magnet arrays; Figure 12 is the plane outspread drawing of embodiment eight described permanent magnet arrays; Figure 13 is the plane outspread drawing of embodiment nine described permanent magnet arrays; Figure 14 is the plane outspread drawing of embodiment ten described permanent magnet arrays; Figure 15 is the plane outspread drawing of embodiment 11 described permanent magnet arrays; Figure 16 is the plane outspread drawing of embodiment 12 described permanent magnet arrays; Figure 17 to Figure 19 is that permanent magnet synchronous motor with interphase uncoupled structure of the present invention is the structural representation of the core unit 5 of parallel single-phase structural electromotor; Figure 20 is that permanent magnet synchronous motor with interphase uncoupled structure of the present invention is the plane outspread drawing of the permanent magnet array of parallel single-phase structural electromotor; Figure 21 is that permanent magnet synchronous motor with interphase uncoupled structure of the present invention is the front view of three phase electric machine; Figure 22 is the A-A cutaway view of Figure 21; Figure 23 is the B-B cutaway view of Figure 21; Figure 24 is the C-C cutaway view of Figure 21; Figure 25 is that permanent magnet synchronous motor with interphase uncoupled structure of the present invention is the plane outspread drawing of the permanent magnet array of three phase electric machine; Figure 26 is that permanent magnet synchronous motor with interphase uncoupled structure of the present invention is the structural representation of bilateral structure motor; Figure 27 is the structural representation of prior motor.
Embodiment
Embodiment one, combine Fig. 1 and Fig. 2, and Figure 21 explains this execution mode, it is made up of this execution mode casing 1, stator and rotor 6; Rotor is made up of permanent magnet array and rotor yoke 61; Stator is made up of several facies units 2; Facies unit 2 is made up of with armature winding 4 mutually several phase armature cores 3; Each phase armature core 3 is made up of 2k core unit 5; Each phase armature core 3 is made up of the phase armature core that has perforation 71 2k core unit 5; Said perforation 71 is formed by teeth groove 72 stacks of 2k core unit 5, and each core unit 5 is made up of two teeth and yoke section; Described two teeth are arranged vertically, are connected with the yoke section between described two teeth; 2k core unit 5 along the circumferential direction uniformly-spaced is arranged in the casing 1 successively; Coil 41 is through the perforation 71 coileds one phase phase armature winding 4 of phase armature core 3; When motor is m phase motor, im facies unit 2 then arranged, the angle between adjacent two phase armature winding 4 axis is [(j-1)+1/m)] * 180 ° electrical degrees, wherein j, k, m, i are natural number.When motor is monophase machine, the tooth pitch τ between along the circumferential direction adjacent two core unit
tWith the pole span τ of permanent magnet along the circumferential direction
pBetween satisfy and to concern τ
t=τ
pWhen motor is three phase electric machine, along the centre-to-centre spacing τ between adjacent two core unit of the direction of motion
tWith pole span τ along direction of motion permanent magnet
pBetween satisfy and to concern 3n τ
t=(3n ± 1) τ
p, n is a natural number.When motor was three phase electric machine, the structure of each facies unit 2 was identical, differed 120 ° of electrical degrees between adjacent two facies units 2; Each phase armature core 3 structure in the described facies unit 2 are identical, and phase armature winding 4 is Circular Winding.Wherein coil 41 is a racetrack-type rotor coil.
Embodiment two, combine Fig. 3 to Fig. 6 that this execution mode is described, this execution mode and embodiment one difference are in the described armature core mutually 3 that each core unit 5 lacks the high-level yoke section of tooth 52,53, a low-level yoke section 54 and a vertical yoke section 55 by a long tooth 51, one and form; Described long tooth 51 is arranged along the horizontal direction of cross section with short tooth 52; All be connected with high-level yoke section 53, vertical yoke section 55 and low-level yoke section 54 between described long tooth 51 and the short tooth 52 in turn; Described long tooth 51 side roots link to each other with an end side surface of described high-level yoke section 53; The other end side of described high-level yoke section 53 links to each other with described vertical yoke section 55 1 side side roots; The opposite side side end of described vertical yoke section 55 links to each other with an end side surface of described low-level yoke section 54; The other end side of described low-level yoke section 54 links to each other with described short tooth 52 side roots, and high-level yoke section 53, vertical yoke section 55 and low-level yoke section 54 form zigzag; The inboard that the long tooth 51 of core unit 5, short tooth 52, high-level yoke section 53, low-level yoke section 54 and vertical yoke section 55 constitute is a teeth groove 72; Teeth groove 72 stacks of 2k core unit 5 form two perforations 71; The ordering of the along continuous straight runs of tooth, high-level yoke section 53, low-level yoke section 54 and the vertical yoke section 55 of every adjacent two core unit 5 is opposite in 2k core unit 5; Be described every adjacent two core unit 5 long tooth 51 of being positioned at same circumferential position and lack tooth 52 and in axial direction be spaced successively; The high-level yoke section 53 that described every adjacent two core unit 5 are positioned at same circumferential position in axial direction is spaced with low-level yoke section 54 successively, and the vertical yoke section 55 of described every adjacent two core unit 5 is positioned on the same periphery; Other composition is identical with embodiment one with connected mode.
Embodiment three, combine Fig. 1, Fig. 3 and Fig. 4 that this execution mode is described, this execution mode and embodiment one difference are that coil 41 is wound in a phase armature winding 4 through described two perforations 71 annular on the top of long tooth 51 or high-level yoke section 53 or vertical yoke section 55.Other composition is identical with embodiment one with connected mode.
Embodiment four, combination Fig. 7, Fig. 8 and Fig. 9 explain this execution mode; This execution mode is to have in the described armature core mutually 3 k long toothing core unit with embodiment one difference; Described long toothing core unit is made up of with high-level yoke section 53 two long teeth 51; Two long teeth 51 of described long toothing core unit are arranged vertically; Be connected with a high-level yoke section 53 between described two long teeth 51, described two long tooth 51 side roots link to each other with the side, two ends of described high-level yoke section 53 respectively; Two long teeth 51 are teeth groove 72 with the inboard that high-level yoke section 53 constitutes; K short toothing core unit arranged in the described phase armature core 3; Described short toothing core unit is made up of with low-level yoke section 54 two short teeth 52; Two short teeth 52 of described short toothing core unit are arranged vertically; Be connected with a low-level yoke section 54 between described two short teeth 52, described two short tooth 52 side roots link to each other with the side, two ends of described low-level yoke section 54 respectively; Two short teeth 52 are teeth groove 72 with the inboard that low-level yoke section 54 constitutes; Described k long toothing core unit and k short toothing core unit along the circumferential direction are spaced successively; The teeth groove 72 of the k of 2k core unit 5 long toothing core unit and k short toothing core unit teeth groove 72 perforation 71 of formation that superposes; Other composition is identical with embodiment one with connected mode.
Embodiment five, combination Fig. 9 explain this execution mode, and this execution mode is that with embodiment one difference described coil 41 is wound in a phase armature winding 4 through a described perforation 71 annular on high-level yoke section 53 and low-level yoke section 54.Other composition is identical with embodiment one with connected mode.
Embodiment six, combination Figure 10 and Figure 25 explain this execution mode; This execution mode and embodiment one, two or three differences are that permanent magnet array is made up of tile shape permanent magnet 62; The magnetizing direction of tile shape permanent magnet 62 is a radial magnetizing; Said a plurality of tile shape permanent magnet 62 is along the circumferential direction adjacent to rearrange a permanent magnet circle, and 2q the adjacent arrangement of permanent magnet circle arranged vertically, and the magnetizing direction of every adjacent two tile shape permanent magnets 62 is opposite.Other composition is identical with embodiment one, two or three with connected mode.
Embodiment seven, combination Figure 11 explain this execution mode; This execution mode and embodiment one, two or three differences are that permanent magnet array is made up of strip permanent magnet 63 and tile shape conductive magnetic yoke 64; The magnetizing direction of strip permanent magnet 63 is a cutting orientation magnetizing; Said strip permanent magnet 63 and tile shape conductive magnetic yoke 64 are alternately along the circumferential direction; The 63 adjacent vertically arrangements of a said 2q strip permanent magnet, said 2q the adjacent vertically arrangement of tile shape conductive magnetic yoke 64, the magnetizing direction of axially adjacent or circumferential adjacent two block length strip permanent magnets 63 is opposite.Other composition is identical with embodiment one, two or three with connected mode.
Embodiment eight, combination Figure 12 explain this execution mode; This execution mode and embodiment one, two or three differences are that permanent magnet array is made up of fan-shaped permanent magnet 65 and tile shape conductive magnetic yoke 64; The magnetizing direction of fan-shaped permanent magnet 65 is an axial charging; A plurality of fan-shaped permanent magnets 65 along the circumferential direction rearrange a magnet ring; A plurality of tile shape conductive magnetic yoke 64 are formed a conductive magnetic yoke tube along circumferential arrangement, 2q magnet ring and 2q conductive magnetic yoke tube along axle alternately, the magnetizing direction of whenever axial adjacent or circumferential adjacent two fan-shaped permanent magnets 65 is opposite.Other composition is identical with embodiment one, two or three with connected mode.
Embodiment nine, combination Figure 13 explain this execution mode; This execution mode and embodiment one, two or three differences are that permanent magnet array is made up of strip permanent magnet 63, tile shape conductive magnetic yoke 64 and fan-shaped permanent magnet 65; Strip permanent magnet 63 is respectively cutting orientation magnetizing and axial charging with fan-shaped permanent magnet 65; Strip permanent magnet 63 and tile shape conductive magnetic yoke 64 are alternately along the circumferential direction; 2q fan-shaped permanent magnet 65 and 2q tile shape conductive magnetic yoke 64 are alternately vertically; Every axially or the magnetizing direction of circumferential adjacent two block length strip permanent magnets 63 opposite; Every axially or the magnetizing direction of circumferential adjacent two fan-shaped permanent magnets 65 opposite, and the magnetizing direction of the two block length strip permanent magnets 63 adjacent with same tile shape conductive magnetic yoke 64 and two fan-shaped permanent magnets 65 is and points to said tile shape conductive magnetic yoke 64 and perhaps be said dorsad tile shape conductive magnetic yoke 64.Other composition is identical with embodiment one, two or three with connected mode.
Embodiment ten, combination Figure 14 explain this execution mode; This execution mode and embodiment one, two or three differences are that permanent magnet array is made up of strip permanent magnet 63 and tile shape permanent magnet 62; Strip permanent magnet 63 is respectively cutting orientation magnetizing and radial magnetizing with tile shape permanent magnet 62; Strip permanent magnet 63 and tile shape permanent magnet 62 are alternately along the circumferential direction; 2q the adjacent vertically arrangement of strip permanent magnet 63,2q the adjacent vertically arrangement of tile shape permanent magnet 62, every axially or the magnetizing direction of circumferential adjacent two block length strip permanent magnets 63 opposite; Every axially or the magnetizing direction of circumferential adjacent two tile shape permanent magnets 62 opposite; And with upper surface be that the magnetizing direction of two adjacent block length strip permanent magnets 63 of the tile shape permanent magnet 62 of the N utmost point all points to said tile shape permanent magnet 62; With upper surface be that the magnetizing direction of two adjacent block length strip permanent magnets 63 of the tile shape permanent magnet 62 of the S utmost point is said dorsad tile shape permanent magnet 62.Other composition is identical with embodiment one, two or three with connected mode.
Embodiment 11, combination Figure 15 explain this execution mode; This execution mode and embodiment one, two or three differences are that permanent magnet array is made up of fan-shaped permanent magnet 65 and tile shape permanent magnet 62; Fan-shaped permanent magnet 65 is respectively axial charging and radial magnetizing with tile shape permanent magnet 62; The along the circumferential direction adjacent arrangement of fan-shaped permanent magnet 65; The along the circumferential direction adjacent arrangement of tile shape permanent magnet 62, the fan-shaped permanent magnet 65 of 2q and 2q tile shape permanent magnet 62 alternately vertically, the magnetizing direction of every axially perhaps circumferential adjacent two fan-shaped permanent magnets 65 is opposite; Every axially or the magnetizing direction of circumferential adjacent two tile shape permanent magnets 62 opposite; And with upper surface be that the magnetizing direction of two adjacent fan-shaped permanent magnets 65 of the tile shape permanent magnet 62 of the N utmost point all points to said tile shape permanent magnet 62; With upper surface be that the magnetizing direction of two adjacent fan-shaped permanent magnets 65 of the tile shape permanent magnet 62 of the S utmost point is said dorsad tile shape permanent magnet 62.Other composition is identical with embodiment one, two or three with connected mode.
Embodiment 12, combination Figure 16 explain this execution mode; This execution mode and embodiment one, two or three differences are that permanent magnet array is made up of strip permanent magnet 63, fan-shaped permanent magnet 65 and tile shape permanent magnet 62; Strip permanent magnet 63, fan-shaped permanent magnet 65 are respectively cutting orientation magnetizing, axial charging and radial magnetizing with tile shape permanent magnet 62; Strip permanent magnet 63 and tile shape permanent magnet 62 are alternately along the circumferential direction; 2q+1 fan-shaped permanent magnet 65 and 2q tile shape permanent magnet 62 are alternately vertically; Every axially or the magnetizing direction of circumferential adjacent two tile shape permanent magnets 62 opposite; Every axially or the magnetizing direction of circumferential adjacent two block length strip permanent magnets 63 opposite; Every axially or the magnetizing direction of circumferential adjacent two fan-shaped permanent magnets 65 opposite, and with upper surface be that the magnetizing direction of two adjacent fan-shaped permanent magnets 65 of the tile shape permanent magnet 62 of the N utmost point and two block length strip permanent magnets 63 all points to said tile shape permanent magnet 62; With upper surface be that the magnetizing direction of two adjacent fan-shaped permanent magnets 65 of the tile shape permanent magnet 62 of the S utmost point and two block length strip permanent magnets 63 is said dorsad tile shape permanent magnet 62.Other composition is identical with embodiment one, two or three with connected mode.
Like Figure 17 to 20, motor of the present invention is the parallel single-phase structure, adjacent two coils around on the contrary.Like Figure 21 to 25, motor is the Multiphase Parallel structure, and each facies unit is unshakable in one's determination, the phase winding structure is identical, and the secondary permanent magnet of each facies unit is along the mover direction of motion τ that staggers
p/ m length.Like Figure 26, motor is a bilateral structure, and the phase armature is arranged in secondary both sides symmetrically, the coil serial or parallel connection of both sides.Content of the present invention is not limited only to the content of above-mentioned each execution mode, and the combination of one of them or several embodiments equally also can realize the purpose of inventing.
Claims (10)
1. permanent magnet synchronous motor with interphase uncoupled structure, it is made up of casing (1), stator and rotor (6); Rotor is made up of permanent magnet array and rotor yoke (61); It is characterized in that stator is made up of several facies units (2); Facies unit (2) is made up of with armature winding (4) mutually several phase armature cores (3); Each phase armature core (3) is made up of 2k core unit (5); Each phase armature core (3) is made up of the phase armature core that has perforation (71) 2k core unit (5); Said perforation (71) is formed by teeth groove (72) stack of 2k core unit (5), and each core unit (5) is made up of two teeth and yoke section; Described two teeth are arranged vertically, are connected with the yoke section between described two teeth; 2k core unit (5) along the circumferential direction uniformly-spaced is arranged in the casing 1 successively; Coil (41) is through perforation (71) the coiled one phase phase armature winding (4) of phase armature core (3); When motor is m phase motor, im facies unit (2) then arranged, the angle between adjacent two phase armature winding (4) axis is [(j-1)+1/m)] * 180 ° electrical degrees, wherein j, k, m, i are natural number.
2. permanent magnet synchronous motor with interphase uncoupled structure according to claim 1 is characterized in that each core unit (5) is made up of a long tooth (51), a short tooth (52), a high-level yoke section (53), a low-level yoke section (54) and a vertical yoke section (55) in the described phase armature core (3); Described long tooth (51) is arranged along the horizontal direction of cross section with short tooth (52); All be connected with high-level yoke section (53), vertical yoke section (55) and low-level yoke section (54) in turn between described long tooth (51) and the short tooth (52); Described long tooth (51) side root links to each other with an end side surface of described high-level yoke section (53); The other end side of described high-level yoke section (53) links to each other with described vertical yoke section (55) one side side roots; The opposite side side end of described vertical yoke section (55) links to each other with an end side surface of described low-level yoke section (54); The other end side of described low-level yoke section (54) links to each other with described short tooth (52) side root, and high-level yoke section (53), vertical yoke section (55) and low-level yoke section (54) form zigzag; The inboard that the long tooth (51) of core unit (5), short tooth (52), high-level yoke section (53), low-level yoke section (54) and vertical yoke section (55) constitute is teeth groove (72); Teeth groove (72) stack of 2k core unit (5) forms two perforations (71); The ordering of the along continuous straight runs of tooth, high-level yoke section (53), low-level yoke section (54) and the vertical yoke section (55) of every adjacent two core unit (5) is opposite in 2k the core unit (5); Be described every adjacent two core unit (5) long tooth (51) of being positioned at same circumferential position and lack tooth (52) and in axial direction be spaced successively; The high-level yoke section (53) that described every adjacent two core unit (5) are positioned at same circumferential position in axial direction is spaced with low-level yoke section (54) successively, and the vertical yoke section (55) of described every adjacent two core unit (5) is positioned on the same periphery; Coil (41) through described two perforations (71) on the top of long tooth (51) or high-level yoke section (53) or vertical yoke section (55) go up annular and be wound in a phase phase armature winding (4).
3. permanent magnet synchronous motor with interphase uncoupled structure according to claim 1; It is characterized in that having in the described phase armature core (3) k long toothing core unit; Described long toothing core unit is made up of two long teeth (51) and high-level yoke section (53); Two long teeth (51) of described long toothing core unit are arranged vertically; Be connected with a high-level yoke section (53) between described two long teeth (51), described two long teeth (51) side root links to each other with the side, two ends of described high-level yoke section (53) respectively; The inboard that two long teeth (51) and high-level yoke section (53) constitute is teeth groove (72); K short toothing core unit arranged in the described phase armature core (3); Described short toothing core unit is made up of two short teeth (52) and low-level yoke section (54); Two short teeth (52) of described short toothing core unit are arranged vertically; Be connected with a low-level yoke section (54) between described two short teeth (52), described two short teeth (52) side root links to each other with the side, two ends of described low-level yoke section (54) respectively; The inboard that two short teeth (52) and low-level yoke section (54) constitute is teeth groove (72); Described k long toothing core unit and k short toothing core unit along the circumferential direction are spaced successively; The teeth groove (72) of the k of 2k core unit (5) long toothing core unit and k short toothing core unit teeth groove (72) the formation perforation (71) that superposes; Described coil (41) is gone up annular through a described perforation (71) in high-level yoke section (53) and low-level yoke section (54) and is wound in a phase armature winding (4).
4. according to claim 1,2 or 3 described permanent magnet synchronous motor with interphase uncoupled structure; It is characterized in that permanent magnet array is made up of tile shape permanent magnet (62); The magnetizing direction of tile shape permanent magnet (62) is a radial magnetizing; Said a plurality of tile shape permanent magnets (62) are along the circumferential direction adjacent to rearrange a permanent magnet circle, and 2q the adjacent arrangement of permanent magnet circle arranged vertically, and the magnetizing direction of every adjacent two tile shape permanent magnets (62) is opposite.
5. according to claim 1,2 or 3 described permanent magnet synchronous motor with interphase uncoupled structure; It is characterized in that permanent magnet array is made up of strip permanent magnet (63) and tile shape conductive magnetic yoke (64); The magnetizing direction of strip permanent magnet (63) is a cutting orientation magnetizing; Said strip permanent magnet (63) and tile shape conductive magnetic yoke (64) are alternately along the circumferential direction; The adjacent vertically arrangement of a said 2q strip permanent magnet (63), the adjacent vertically arrangement of said 2q tile shape conductive magnetic yoke (64), the magnetizing direction of axially adjacent or circumferential adjacent two block length strip permanent magnets (63) is opposite.
6. according to claim 1,2 or 3 described permanent magnet synchronous motor with interphase uncoupled structure; It is characterized in that permanent magnet array is made up of fan-shaped permanent magnet (65) and tile shape conductive magnetic yoke (64); The magnetizing direction of fan-shaped permanent magnet (65) is an axial charging; A plurality of fan-shaped water magnets (65) along the circumferential direction rearrange a magnet ring; A plurality of tile shape conductive magnetic yoke (64) are formed a conductive magnetic yoke tube along circumferential arrangement, 2q magnet ring and 2q conductive magnetic yoke tube along axle alternately, the magnetizing direction of whenever axial adjacent or circumferential adjacent two fan-shaped permanent magnets (65) is opposite.
7. according to claim 1,2 or 3 described permanent magnet synchronous motor with interphase uncoupled structure; It is characterized in that permanent magnet array is made up of strip permanent magnet (63), tile shape conductive magnetic yoke (64) and fan-shaped permanent magnet (65); Strip permanent magnet (63) and fan-shaped permanent magnet (65) are respectively cutting orientation magnetizing and axial charging; Strip permanent magnet (63) and tile shape conductive magnetic yoke (64) are alternately along the circumferential direction; Individual fan-shaped permanent magnet (65) of 2q and 2q tile shape conductive magnetic yoke (64) are alternately vertically; Every axially or the magnetizing direction of circumferential adjacent two block length strip permanent magnets (63) opposite; Every axially or the magnetizing direction of circumferential adjacent two fan-shaped permanent magnets (65) opposite, and the magnetizing direction of the two block length strip permanent magnets (63) adjacent with same tile shape conductive magnetic yoke (64) and two fan-shaped permanent magnets (65) is and points to said tile shape conductive magnetic yoke (64) and perhaps be said dorsad tile shape conductive magnetic yoke (64).
8. according to claim 1,2 or 3 described permanent magnet synchronous motor with interphase uncoupled structure; It is characterized in that permanent magnet array is made up of strip permanent magnet (63) and tile shape permanent magnet (62); Strip permanent magnet (63) is respectively cutting orientation magnetizing and radial magnetizing with tile shape permanent magnet (62); Strip permanent magnet (63) and tile shape permanent magnet (62) are alternately along the circumferential direction; The adjacent vertically arrangement of 2q strip permanent magnet (63), the adjacent vertically arrangement of 2q tile shape permanent magnet (62), every axially or the magnetizing direction of circumferential adjacent two block length strip permanent magnets (63) opposite; Every axially or the magnetizing direction of circumferential adjacent two tile shape permanent magnets (62) opposite; And with upper surface be that the magnetizing direction of two adjacent block length strip permanent magnets (63) of the tile shape permanent magnet (62) of the N utmost point all points to said tile shape permanent magnet (62); With upper surface be that the magnetizing direction of two adjacent block length strip permanent magnets (63) of the tile shape permanent magnet (62) of the S utmost point is said dorsad tile shape permanent magnet (62).
9. according to claim 1,2 or 3 described permanent magnet synchronous motor with interphase uncoupled structure; It is characterized in that permanent magnet array is made up of fan-shaped permanent magnet (65) and tile shape permanent magnet (62); Fan-shaped permanent magnet (65) is respectively axial charging and radial magnetizing with tile shape permanent magnet (62); The along the circumferential direction adjacent arrangement of fan-shaped permanent magnet (65); The along the circumferential direction adjacent arrangement of tile shape permanent magnet (62), 2q fan-shaped permanent magnet (65) and 2q tile shape permanent magnet (62) alternately vertically, the magnetizing direction of every axial perhaps circumferential adjacent two fan-shaped permanent magnets (65) is opposite; Every axially or the magnetizing direction of circumferential adjacent two tile shape permanent magnets (62) opposite; And with upper surface be that the magnetizing direction of the adjacent two fan-shaped permanent magnets (65) of the tile shape permanent magnet (62) of the N utmost point all points to said tile shape permanent magnet (62); With upper surface be that the magnetizing direction of the adjacent two fan-shaped permanent magnets (65) of the tile shape permanent magnet (62) of the S utmost point is said dorsad tile shape permanent magnet (62).
10. according to claim 1,2 or 3 described permanent magnet synchronous motor with interphase uncoupled structure; It is characterized in that permanent magnet array is made up of strip permanent magnet (63), fan-shaped permanent magnet (65) and tile shape permanent magnet (62); Strip permanent magnet (63), fan-shaped permanent magnet (65) are respectively cutting orientation magnetizing, axial charging and radial magnetizing with tile shape permanent magnet (62); Strip permanent magnet (63) and tile shape permanent magnet (62) are alternately along the circumferential direction; Individual fan-shaped permanent magnet (65) of 2q+1 and 2q tile shape permanent magnet (62) are alternately vertically; Every axially or the magnetizing direction of circumferential adjacent two tile shape permanent magnets (62) opposite; Every axially or the magnetizing direction of circumferential adjacent two block length strip permanent magnets (63) opposite; Every axially or the magnetizing direction of circumferential adjacent two fan-shaped permanent magnets (65) opposite, and with upper surface be that the adjacent two fan-shaped permanent magnets (65) of the tile shape permanent magnet (62) of the N utmost point and the magnetizing direction of two block length strip permanent magnets (63) all point to said tile shape permanent magnet (62); With upper surface be that the adjacent two fan-shaped permanent magnets (65) of the tile shape permanent magnet (62) of the S utmost point and the magnetizing direction of two block length strip permanent magnets (63) are said dorsad tile shape permanent magnet (62).
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85105975A (en) * | 1985-08-06 | 1987-02-25 | 松下电器产业株式会社 | Electric rotating machine |
| CN1396690A (en) * | 2001-07-17 | 2003-02-12 | 哈尔滨工业大学 | Rotor for permanent-magnet motor |
| CN1697287A (en) * | 2005-04-29 | 2005-11-16 | 哈尔滨工业大学 | Brushless DC electric machine in structure of short magnetic circuit |
| CN101009454A (en) * | 2007-01-29 | 2007-08-01 | 哈尔滨工业大学 | A dual-edge plane three-phase linear permanent magnetic synchronization motor |
-
2009
- 2009-12-24 CN CN200910217412XA patent/CN101741195B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85105975A (en) * | 1985-08-06 | 1987-02-25 | 松下电器产业株式会社 | Electric rotating machine |
| CN1396690A (en) * | 2001-07-17 | 2003-02-12 | 哈尔滨工业大学 | Rotor for permanent-magnet motor |
| CN1697287A (en) * | 2005-04-29 | 2005-11-16 | 哈尔滨工业大学 | Brushless DC electric machine in structure of short magnetic circuit |
| CN101009454A (en) * | 2007-01-29 | 2007-08-01 | 哈尔滨工业大学 | A dual-edge plane three-phase linear permanent magnetic synchronization motor |
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| CN101741195A (en) | 2010-06-16 |
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