CN101882856B - Inter-phase electromagnetic decoupling flat permanent magnet synchronous straight line motor - Google Patents
Inter-phase electromagnetic decoupling flat permanent magnet synchronous straight line motor Download PDFInfo
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- CN101882856B CN101882856B CN2009102174134A CN200910217413A CN101882856B CN 101882856 B CN101882856 B CN 101882856B CN 2009102174134 A CN2009102174134 A CN 2009102174134A CN 200910217413 A CN200910217413 A CN 200910217413A CN 101882856 B CN101882856 B CN 101882856B
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Abstract
The invention provides an inter-phase electromagnetic decoupling flat permanent magnet synchronous straight line motor, which relates to the motor field and solves the problems that: the magnetic coupling existed between the phases influences the control precision of the current, and a magnetic path passed by a magnetic flux generated by each phase of winding is too long to cause a large consumption of the stator iron. The primary grade of the inter-phase electromagnetic decoupling flat permanent magnet synchronous straight line motor comprises phase units, wherein each phase unit comprises phase unit iron cores and phase unit windings; each phase unit iron core composes the phase unit iron core including tooth holes with 2k iron core units; the tooth holes are formed by superposing tooth grooves; each iron core unit is composed of two teeth and a magnetic yoke section; the two teeth are arranged along a horizontal direction of the cross section; the magnetic yoke section is connected between the two teeth; the 2k iron core units are arranged in a shell at interval along a moving direction; coils are wound into the phase unit winding through the tooth holes; when the motor is the m-phase motor, im phase units are existed therein; a centre distance L between two adjacent phase unit iron cores is L=[(j-1)+1/m]tp. The inter-phase electromagnetic decoupling flat permanent magnet synchronous straight line motor is used as the motor or a generator.
Description
Technical field
The present invention relates to machine field, be specifically related to a kind of flat permanent magnet linear synchronous generator.
Background technology
The structure of existing flat permanent magnet linear synchronous generator is shown in figure 24.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 inter-phase electromagnetic decoupling flat permanent magnet synchronous straight line motor has been proposed.
Inter-phase electromagnetic decoupling flat permanent magnet synchronous straight line motor of the present invention is made up of casing, primary and secondary; Secondaryly form by permanent magnet array and yoke plate; Elementaryly form by several facies units; Each facies unit is made up of several facies units iron cores and facies unit winding; It is unshakable in one's determination that each facies unit iron core is formed the facies unit 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 along the horizontal direction of cross section, are connected with the yoke section between described two teeth; 2k core unit uniformly-spaced is arranged in the casing along the direction of motion successively; Coil is through facies unit perforation coiled one phase facies unit winding unshakable in one's determination; When motor is m phase motor, im facies unit then arranged, the centre-to-centre spacing between adjacent two facies unit iron cores is L=[(j-1)+1/m)] τ
p, wherein j, k, m, i are natural number, τ
pBe the pole span of permanent magnet vertically.
The present invention adopts special inter-phase electromagnetic decoupling type armature structure, constitutes a kind of inter-phase electromagnetic decoupling flat permanent magnet synchronous straight line motor, has eliminated alternate mutual inductance, has improved the electric current and the electromagnetic force control 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.Linear electric motors 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 inter-phase electromagnetic decoupling flat permanent magnet synchronous straight line motor 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 and Figure 18 are that interphase electromagnetic decoupling cylindrical permanent magnet linear synchronous motor of the present invention is the front view of the bilateral motor of three-phase; Figure 19 is the radial cross-section of Figure 17 or Figure 18; Figure 20
To Figure 22 is that interphase electromagnetic decoupling cylindrical permanent magnet linear synchronous motor of the present invention is the structural representation of the core unit 5 of parallel single-phase structural electromotor; Figure 23 is that interphase electromagnetic decoupling cylindrical permanent magnet linear synchronous motor of the present invention is the plane outspread drawing of the permanent magnet array of parallel single-phase structural electromotor; Figure 24 is the structural representation of prior motor.
Embodiment
Embodiment one, combine Fig. 1 and Fig. 2, and Figure 17 and Figure 18 explain this execution mode, this execution mode is made up of casing 1, primary and secondary 6; Secondary 6 are made up of permanent magnet array and yoke plate 61; Elementaryly form by several facies units 2; Each facies unit 2 is made up of several facies units unshakable in one's determination 3 and facies unit winding 4; It is unshakable in one's determination that each facies unit unshakable in one's determination 3 is formed the facies unit that has perforation 71 by 2k core unit 5, and 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 along the horizontal direction of cross section, are connected with the yoke section between described two teeth; 2k core unit 5 uniformly-spaced is arranged in the casing 1 along the direction of motion successively; Coil 41 is through the perforation 71 coileds one phase facies unit winding 4 of facies unit unshakable in one's determination 3; When motor is m phase motor, im facies unit 2 then arranged, the centre-to-centre spacing L between adjacent two facies units unshakable in one's determination 5 is L=[(j-1)+1/m)] τ
p, wherein j, k, m, i are natural number, τ
pBe the pole span of permanent magnet vertically.When motor is monophase machine, the centre-to-centre spacing τ between adjacent vertically two core unit
tWith the pole span τ of permanent magnet vertically
pBetween satisfy and to concern τ
t=τ
pWhen motor is three phase electric machine, the centre-to-centre spacing τ between adjacent vertically two core unit
tWith the pole span τ of permanent magnet vertically
pBetween satisfy and to concern 3n τ
t=(3n ± 1) τ
pWherein 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 facies unit unshakable in one's determination 3 that each core unit 5 is made up of the high-level yoke section of the short tooth of a long tooth 51,52,53, a low-level yoke section 54 and a vertical yoke section 55; 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 axial location 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 axial location 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 overlaps arranges; Other composition is identical with embodiment one with connected mode.
Embodiment three, combine 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 facies unit winding 4 mutually 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 that with embodiment one difference k long toothing core unit arranged in the described facies unit unshakable in one's determination 3; 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 along the horizontal direction of cross section; 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; In the described facies unit unshakable in one's determination 3 k short toothing core unit arranged; 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 along the horizontal direction of cross section; 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 are spaced along the direction of motion successively; The teeth groove 72 of the k of 2k core unit 5 long toothing core unit
With k short toothing core unit teeth groove 72 stack form a perforation 71;
Other composition is identical with embodiment one with connected mode.
Embodiment five, combine Fig. 9 that this execution mode is described, this execution mode and embodiment one, two or three differences are that described coil 41 is wound in a facies unit winding 4 mutually 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, two or three with connected mode.
Embodiment six, combination Figure 10 explain this execution mode; This execution mode and embodiment one, two or three differences are that described permanent magnet array is made up of flat permanent magnet body 62; The magnetizing direction of flat permanent magnet body 62 is vertical magnetizing; 2p flat permanent magnet body 62 is along the adjacent delegation's direction of motion permanent magnet array that rearranges of the direction of motion; Horizontal direction along cross section has two row direction of motion permanent magnet arrays, and the magnetizing direction of every adjacent two flat permanent magnet bodies 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 vertical strip permanent magnet 63 and plate shaped conductive magnetic yoke 64; Vertically the magnetizing direction of strip permanent magnet 63 is for laterally magnetizing; 2p vertical strip permanent magnet 63 is along the adjacent delegation's direction of motion strip permanent magnet array that rearranges of the direction of motion; 2p plate shaped conductive magnetic yoke 64 is along the adjacent plate shaped conductive magnetic yoke array of the two row directions of motion that rearranges of the direction of motion; Said strip permanent magnet array and plate shaped conductive magnetic yoke array are along the horizontal direction of cross section alternately, and be opposite along the magnetizing direction of two adjacent vertical strip permanent magnet 63 of the direction of motion.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 described permanent magnet array is made up of horizontal strip permanent magnet 65 and plate shaped conductive magnetic yoke 64; Laterally the magnetizing direction of strip permanent magnet 65 is that the direction of motion magnetizes; 2p horizontal strip permanent magnet 65 formed delegation's direction of motion permanent magnet array with 2p plate shaped conductive magnetic yoke 64 along the direction of motion alternately; Horizontal direction along cross section has two row direction of motion permanent magnet arrays, and the magnetizing direction of two horizontal strip permanent magnet 65 that each direction of motion horizontal direction adjacent or cross section is adjacent 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 be described permanent magnet array by vertical strip permanent magnet 63, plate shaped conductive magnetic yoke 64 and laterally strip permanent magnet 65 form; Vertically the magnetizing direction of strip permanent magnet 63 is for laterally magnetizing; Laterally the magnetizing direction of strip permanent magnet 65 is that the direction of motion magnetizes; 2p horizontal strip permanent magnet 65 formed two row direction of motion permanent magnet arrays with 2p plate shaped conductive magnetic yoke 64 along the direction of motion alternately; 2p vertical strip permanent magnet 63 is along the adjacent delegation's direction of motion strip permanent magnet array that rearranges of the direction of motion; Said strip permanent magnet array and direction of motion permanent magnet array are along the horizontal direction of cross section alternately; The magnetizing direction of two vertical strip permanent magnet 63 that each direction of motion horizontal direction adjacent or cross section is adjacent is opposite; The magnetizing direction of two horizontal strip permanent magnet 65 that each direction of motion horizontal direction adjacent or cross section is adjacent is opposite, and the magnetizing direction of the two piece vertical strip permanent magnet 63 adjacent with same plate shaped conductive magnetic yoke 64 and two horizontal strip permanent magnet 65 is and points to said plate shaped conductive magnetic yoke 64 or be said dorsad plate shaped 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 described permanent magnet array is made up of vertical strip permanent magnet 63 and plate shaped permanent magnet 62; Vertically the magnetizing direction of strip permanent magnet 63 and flat permanent magnet body 62 is respectively laterally to magnetize and magnetizes with vertical; 2p vertical strip permanent magnet 63 is along the adjacent delegation's direction of motion strip permanent magnet array that rearranges of the direction of motion; 2p flat permanent magnet body 62 is along the adjacent two row direction of motion flat permanent magnet volume arrays that rearrange of the direction of motion; Said strip permanent magnet array and plate shaped permanent magnet array along the horizontal direction of cross section alternately, the magnetizing direction of two vertical strip permanent magnet 63 that each direction of motion horizontal direction adjacent or cross section is adjacent is opposite; The magnetizing direction of two flat permanent magnet bodies 62 that each direction of motion horizontal direction adjacent or cross section is adjacent is opposite; And with upper surface be that the magnetizing direction of two adjacent vertical strip permanent magnet 63 of the flat permanent magnet body 62 of the N utmost point all points to said flat permanent magnet body 62; With upper surface be that the magnetizing direction of two adjacent vertical strip permanent magnet 63 of the flat permanent magnet body 62 of the S utmost point is said dorsad flat permanent magnet body 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 described permanent magnet array is made up of horizontal strip permanent magnet 65 and plate shaped permanent magnet 62; The direction of motion that is respectively horizontal strip permanent magnet 65 and flat permanent magnet body 62 magnetizes and magnetizes with vertical; 2p horizontal strip permanent magnet 65 formed delegation's direction of motion permanent magnet array with 2p flat permanent magnet body 62 along the direction of motion alternately; Horizontal direction along cross section has two row direction of motion permanent magnet arrays, and the magnetizing direction of two horizontal strip permanent magnet 65 that each direction of motion horizontal direction adjacent or cross section is adjacent is opposite; The magnetizing direction of two flat permanent magnet bodies 62 that each direction of motion horizontal direction adjacent or cross section is adjacent is opposite; And with upper surface be that the magnetizing direction of two adjacent horizontal strip permanent magnet 65 of the flat permanent magnet body 62 of the N utmost point all points to said flat permanent magnet body 62; With upper surface be that the magnetizing direction of two adjacent horizontal strip permanent magnet 65 of the flat permanent magnet body 62 of the S utmost point is said dorsad flat permanent magnet body 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 described permanent magnet array is by vertical strip permanent magnet 63, laterally strip permanent magnet 65 and plate shaped permanent magnet 62 are formed; Vertically strip permanent magnet 63, horizontal strip permanent magnet 65 are respectively laterally with flat permanent magnet body 62 and magnetize, the direction of motion magnetizes magnetizes with vertical; 2p horizontal strip permanent magnet 65 formed two row direction of motion permanent magnet arrays with 2p flat permanent magnet body 62 along the direction of motion alternately; 2p vertical strip permanent magnet 63 is along the adjacent delegation's direction of motion strip permanent magnet array that rearranges of the direction of motion; Said strip permanent magnet array and direction of motion permanent magnet array are along the horizontal direction of cross section alternately; The magnetizing direction of two flat permanent magnet bodies 62 that each direction of motion horizontal direction adjacent or cross section is adjacent is opposite; The magnetizing direction of two vertical strip permanent magnet 63 that each direction of motion horizontal direction adjacent or cross section is adjacent is opposite; The magnetizing direction of two horizontal strip permanent magnet 65 that each direction of motion horizontal direction adjacent or cross section is adjacent is opposite, and with upper surface be that the two adjacent horizontal strip permanent magnet 65 of the flat permanent magnet body 62 of the N utmost point and the magnetizing direction of two vertical strip permanent magnet 63 all point to said flat permanent magnet body 62; With upper surface be that the two adjacent horizontal strip permanent magnet 65 of the flat permanent magnet body 62 of the S utmost point and the magnetizing direction of two vertical strip permanent magnet 63 are said dorsad flat permanent magnet body 62.Other composition is identical with embodiment one, two or three with connected mode.
Like Figure 17 to 23, motor of the present invention is the parallel single-phase structure, adjacent two coils around on the contrary.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.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. inter-phase electromagnetic decoupling flat permanent magnet synchronous straight line motor, it is made up of casing (1), primary and secondary (6); Secondary (6) are made up of permanent magnet array and yoke plate (61); It is characterized in that elementaryly forming by several facies units (2); Each facies unit (2) is made up of several facies units (3) unshakable in one's determination and facies unit winding (4); It is unshakable in one's determination that each facies unit (3) unshakable in one's determination is formed the facies unit that has perforation (71) by 2k core unit (5), and 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 along the horizontal direction of cross section, are connected with the yoke section between described two teeth; 2k core unit (5) uniformly-spaced is arranged in the casing (1) along the direction of motion successively; Coil (41) is through perforation (71) the coiled one phase facies unit winding (4) of facies unit (3) unshakable in one's determination; When motor is m phase motor, im facies unit (2) then arranged, the centre-to-centre spacing L between adjacent two facies unit iron cores (5) is L=[(j-1)+1/m)] τ
p, wherein j, k, m, i are natural number, τ
pBe the pole span of permanent magnet vertically.
2. inter-phase electromagnetic decoupling flat permanent magnet synchronous straight line motor 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 facies unit (3) unshakable in one's determination; 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 axial location 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 axial location 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) overlaps arranges; 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 facies unit winding (4).
3. inter-phase electromagnetic decoupling flat permanent magnet synchronous straight line motor according to claim 1; It is characterized in that k long toothing core unit arranged in the described facies unit (3) unshakable in one's determination; 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 along the horizontal direction of cross section; 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); Described facies unit has k short toothing core unit in (3) unshakable in one's determination; 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 along the horizontal direction of cross section; 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 are spaced along the direction of motion 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 facies unit winding (4) mutually.
4. according to claim 1,2 or 3 described inter-phase electromagnetic decoupling flat permanent magnet synchronous straight line motors; It is characterized in that described permanent magnet array is made up of flat permanent magnet body (62); The magnetizing direction of flat permanent magnet body (62) is vertical magnetizing; 2p flat permanent magnet body (62) be along the adjacent delegation's direction of motion permanent magnet array that rearranges of the direction of motion, along the horizontal direction of cross section two row direction of motion permanent magnet arrays arranged, and the magnetizing direction of every adjacent two flat permanent magnet bodies (62) is opposite.
5. according to claim 1,2 or 3 described inter-phase electromagnetic decoupling flat permanent magnet synchronous straight line motors; It is characterized in that permanent magnet array is made up of vertical strip permanent magnet (63) and plate shaped conductive magnetic yoke (64); Vertically the magnetizing direction of strip permanent magnet (63) is for laterally magnetizing; 2p vertical strip permanent magnet (63) is along the adjacent delegation's direction of motion strip permanent magnet array that rearranges of the direction of motion; 2p plate shaped conductive magnetic yoke (64) is along the adjacent plate shaped conductive magnetic yoke array of the two row directions of motion that rearranges of the direction of motion; Said strip permanent magnet array and plate shaped conductive magnetic yoke array are along the horizontal direction of cross section alternately, and be opposite along the magnetizing direction of the adjacent two vertical strip permanent magnet (63) of the direction of motion.
6. according to claim 1,2 or 3 described inter-phase electromagnetic decoupling flat permanent magnet synchronous straight line motors; It is characterized in that described permanent magnet array is made up of horizontal strip permanent magnet (65) and plate shaped conductive magnetic yoke (64); Laterally the magnetizing direction of strip permanent magnet (65) is that the direction of motion magnetizes; 2p-1 horizontal strip permanent magnet (65) formed delegation's direction of motion permanent magnet array with 2p plate shaped conductive magnetic yoke (64) along the direction of motion alternately; Horizontal direction along cross section has two row direction of motion permanent magnet arrays, and the magnetizing direction of two horizontal strip permanent magnet (65) that each direction of motion horizontal direction adjacent or cross section is adjacent is opposite.
7. according to claim 1,2 or 3 described inter-phase electromagnetic decoupling flat permanent magnet synchronous straight line motors; It is characterized in that described permanent magnet array by vertical strip permanent magnet (63), plate shaped conductive magnetic yoke (64) and laterally strip permanent magnet (65) form; Vertically the magnetizing direction of strip permanent magnet (63) is for laterally magnetizing; Laterally the magnetizing direction of strip permanent magnet (65) is that the direction of motion magnetizes; 2p-1 horizontal strip permanent magnet (65) formed two row direction of motion permanent magnet arrays with 2p plate shaped conductive magnetic yoke (64) along the direction of motion alternately; 2p vertical strip permanent magnet (63) is along the adjacent delegation's direction of motion strip permanent magnet array that rearranges of the direction of motion; Said strip permanent magnet array and direction of motion permanent magnet array are along the horizontal direction of cross section alternately; The magnetizing direction of two vertical strip permanent magnet (63) that each direction of motion horizontal direction adjacent or cross section is adjacent is opposite; The magnetizing direction of two horizontal strip permanent magnet (65) that each direction of motion horizontal direction adjacent or cross section is adjacent is opposite, and the magnetizing direction of the two piece vertical strip permanent magnet (63) adjacent with same plate shaped conductive magnetic yoke (64) and two horizontal strip permanent magnet (65) is the said plate shaped conductive magnetic yoke of sensing (64) or is said dorsad plate shaped conductive magnetic yoke (64).
8. according to claim 1,2 or 3 described inter-phase electromagnetic decoupling flat permanent magnet synchronous straight line motors; It is characterized in that described permanent magnet array is made up of vertical strip permanent magnet (63) and plate shaped permanent magnet (62); Vertically the magnetizing direction of strip permanent magnet (63) and flat permanent magnet body (62) is respectively laterally to magnetize and magnetizes with vertical; 2p vertical strip permanent magnet (63) is along the adjacent delegation's direction of motion strip permanent magnet array that rearranges of the direction of motion; 2p flat permanent magnet body (62) is along the adjacent two row direction of motion flat permanent magnet volume arrays that rearrange of the direction of motion; Said strip permanent magnet array and plate shaped permanent magnet array along the horizontal direction of cross section alternately, the magnetizing direction of two vertical strip permanent magnet (63) that each direction of motion horizontal direction adjacent or cross section is adjacent is opposite; The magnetizing direction of two flat permanent magnet bodies (62) that each direction of motion horizontal direction adjacent or cross section is adjacent is opposite; And with upper surface be that the magnetizing direction of the adjacent two vertical strip permanent magnet (63) of the flat permanent magnet body (62) of the N utmost point all points to said flat permanent magnet body (62); With upper surface be that the magnetizing direction of the adjacent two vertical strip permanent magnet (63) of the flat permanent magnet body (62) of the S utmost point is said dorsad flat permanent magnet body (62).
9. according to claim 1,2 or 3 described inter-phase electromagnetic decoupling flat permanent magnet synchronous straight line motors; It is characterized in that described permanent magnet array is made up of horizontal strip permanent magnet (65) and plate shaped permanent magnet (62); The direction of motion that is respectively horizontal strip permanent magnet (65) and flat permanent magnet body (62) magnetizes and magnetizes with vertical; 2p-1 horizontal strip permanent magnet (65) formed delegation's direction of motion permanent magnet array with 2p flat permanent magnet body (62) along the direction of motion alternately; Horizontal direction along cross section has two row direction of motion permanent magnet arrays, and the magnetizing direction of two horizontal strip permanent magnet (65) that each direction of motion horizontal direction adjacent or cross section is adjacent is opposite; The magnetizing direction of two flat permanent magnet bodies (62) that each direction of motion horizontal direction adjacent or cross section is adjacent is opposite; And with upper surface be that the magnetizing direction of the adjacent two horizontal strip permanent magnet (65) of the flat permanent magnet body (62) of the N utmost point all points to said flat permanent magnet body (62); With upper surface be that the magnetizing direction of the adjacent two horizontal strip permanent magnet (65) of the flat permanent magnet body (62) of the S utmost point is said dorsad flat permanent magnet body (62).
10. according to claim 1,2 or 3 described inter-phase electromagnetic decoupling flat permanent magnet synchronous straight line motors; It is characterized in that described permanent magnet array is by vertical strip permanent magnet (63), laterally strip permanent magnet (65) and plate shaped permanent magnet (62) are formed; Vertically strip permanent magnet (63), horizontal strip permanent magnet (65) are respectively laterally with flat permanent magnet body (62) and magnetize, the direction of motion magnetizes magnetizes with vertical; 2p-1 horizontal strip permanent magnet (65) formed two row direction of motion permanent magnet arrays with 2p flat permanent magnet body (62) along the direction of motion alternately; 2p vertical strip permanent magnet (63) is along the adjacent delegation's direction of motion strip permanent magnet array that rearranges of the direction of motion; Said strip permanent magnet array and direction of motion permanent magnet array are along the horizontal direction of cross section alternately; The magnetizing direction of two flat permanent magnet bodies (62) that each direction of motion horizontal direction adjacent or cross section is adjacent is opposite; The magnetizing direction of two vertical strip permanent magnet (63) that each direction of motion horizontal direction adjacent or cross section is adjacent is opposite; The magnetizing direction of two horizontal strip permanent magnet (65) that each direction of motion horizontal direction adjacent or cross section is adjacent is opposite, and with upper surface be that the adjacent two horizontal strip permanent magnet (65) of the flat permanent magnet body (62) of the N utmost point and the magnetizing direction of two vertical strip permanent magnet (63) all point to said flat permanent magnet body (62); With upper surface be that the adjacent two horizontal strip permanent magnet (65) of the flat permanent magnet body (62) of the S utmost point and the magnetizing direction of two vertical strip permanent magnet (63) are said dorsad flat permanent magnet body (62).
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| CN102684449A (en) * | 2012-06-01 | 2012-09-19 | 哈尔滨工程大学 | High-power density permanent magnet linear motor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101179224A (en) * | 2007-11-29 | 2008-05-14 | 浙江大学 | Full-magnetic barrier type dual-field excitation linear synchronous generator |
| EP2091137A1 (en) * | 2008-02-18 | 2009-08-19 | Siemens Aktiengesellschaft | Primary part and linear electrical machine with compensation of force ripples |
| JP2009240126A (en) * | 2008-03-28 | 2009-10-15 | Seiko Epson Corp | Brushless electrical machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101179224A (en) * | 2007-11-29 | 2008-05-14 | 浙江大学 | Full-magnetic barrier type dual-field excitation linear synchronous generator |
| EP2091137A1 (en) * | 2008-02-18 | 2009-08-19 | Siemens Aktiengesellschaft | Primary part and linear electrical machine with compensation of force ripples |
| JP2009240126A (en) * | 2008-03-28 | 2009-10-15 | Seiko Epson Corp | Brushless electrical machine |
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