CN1484364A - Permanent magnet magnetic resistance straight line motor - Google Patents
Permanent magnet magnetic resistance straight line motor Download PDFInfo
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- CN1484364A CN1484364A CNA031324789A CN03132478A CN1484364A CN 1484364 A CN1484364 A CN 1484364A CN A031324789 A CNA031324789 A CN A031324789A CN 03132478 A CN03132478 A CN 03132478A CN 1484364 A CN1484364 A CN 1484364A
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Abstract
This invention relates to a permanent reluctant linear motor composed of a magnetic conductive yoke, permanent magnets, a shifter core a magnet isolating board, a stator core and a winding mounted on it among which, the permanent magnets are arranged in two straight lines along movement direction of the motor, the left are set between the left shifter core and the magnet conductive yoke and the right are set between the right shifter core and the yoke, the isolation board is set between the left core and magnets and right core and right magnets. The motor is a single side structure. The stator core is opposite to the right and left shifter cores forming an air gap, the charging direction of the magnet vertical to the air gap, is the same for each array but opposite for the right and left arrays.
Description
Technical field: the present invention relates to a kind of permanent magnetic resistance linear electric motors.
Background technology: the structure of traditional hybrid linear stepper motor constitutes the diameter of axle by axial charging permanent magnet magnetic potential and circular excitation coil magnetic potential and works to mixed magnetic circuit as shown in Figure 7.Because the influence in core lamination gap, the axial magnetic field that permanent magnet is produced distributes very inhomogeneous vertically, and is weak more from the local magnetic field that permanent magnet is far away more, so just limited the selection of core lamination length and the utilance of material, motor properties is affected, has reduced the thrust output of motor.
Summary of the invention: inhomogeneous owing to Distribution of Magnetic Field for solving existing permanent magnetic resistance linear electric motors, and the selection of core lamination length and the utilance of material have been limited, make the problem of the thrust output reduction of motor, the invention provides a kind of novel permanent magnetic resistance linear electric motors.Permanent magnetic resistance linear electric motors of the present invention are made up of conductive magnetic yoke 1, permanent magnet 2, mover core 3, magnetic isolation plate 4, stator core 6 and the winding 5 that is installed in the stator core 6, two rows about permanent magnet 2 is in-line and lines up along the direction of motion of motor, left bank permanent magnet 2a is arranged between left mover core 3a and the conductive magnetic yoke 1, right row's permanent magnet 2b is arranged between right mover core 3b and the conductive magnetic yoke 1, and magnetic isolation plate 4 is arranged between left mover core 3a and left bank permanent magnet 2a and right mover core 3b and the right row's permanent magnet 2b; This motor is a single-side structural, and stator core 6 is relative with right mover core 3b with left mover core 3a, and forms air gap 10; The magnetizing direction of permanent magnet 2 is vertical with air gap 10, and the magnetizing direction of every row's permanent magnet 2 is identical, about two row permanent magnets magnetizing direction opposite.Permanent magnetic resistance linear electric motors of the present invention are made of conductive magnetic yoke 1, permanent magnet 2, mover core 3, magnetic isolation plate 4, winding 5, stator core 6.Motor both can be single-side structural, also can be bilateral structure.When motor is single-side structural, two groups of permanent magnet 2a and 2b are configured between conductive magnetic yoke 1 and the mover core 3, the magnetic isolation plate 4 that non-magnetic conduction is arranged between two groups of permanent magnet 2a and the 2b, mover core 3a that permanent magnet 2a and 2b are faced and 3b are on the plane of air gap, have the teeth groove perpendicular with the direction of motion, mover core 3a and 3b are along the direction of motion half tooth distance that staggers, the following of air gap is stator core 6, stator core 6 greatly extremely on be wound with winding 5, on the plane of air gap, have teeth groove in stator core 6.When motor is bilateral structure, mover is contained between stator core and the following stator core, greatly extremely going up of last stator core and following stator core is wound with stator winding and following stator winding respectively, it between last stator core and the mover core last air gap, air gap under between following stator core and the mover core being, at mover core 3c, 3d and mover core 3a, two groups of permanent magnet 2a of configuration and 2b between the 3b, the magnetic isolation plate that non-magnetic conduction is arranged between two groups of permanent magnet 2a and the 2b, on, following air gap is faced on the plane unshakable in one's determination and is all had the teeth groove perpendicular with the direction of motion, mover core 3c and 3d be along the direction of motion half tooth distance that staggers, and mover core 3a and 3b are along the direction of motion half tooth distance that staggers.The teeth groove 6-1 of the adjacent phase of stator core differs m/tooth pitch, and m is a number of motor phases, as Fig. 2, A mutually with the B teeth groove 6-1 m/tooth pitch that staggers mutually mutually.Two groups of permanent magnet 2a and 2b are plate shaped, parallel magnetization.Be the S utmost point (or N utmost point) above the permanent magnet 2a, be the N utmost point (or S utmost point) below, and permanent magnet 2b above be the N utmost point (or S utmost point), be the S utmost point (or N utmost point) below.Linear electric motors of the present invention adopt disk construction, with permanent magnet 2 parallel magnetizations, make the excitation field distribution of permanent magnet 2 generations in the mover core 3 be tending towards evenly having improved motor properties volume ratio and performance weight ratio the mover excitation.
Description of drawings: Fig. 1 is the structural representation of embodiment one, Fig. 2 is the A-A cutaway view of Fig. 1, Fig. 3 is the B-B cutaway view of Fig. 1, Fig. 4 is the structural representation of embodiment two, Fig. 5 is the C-C cutaway view of Fig. 4, Fig. 6 is the D-D cutaway view of Fig. 4, and Fig. 7 is the structural representation of existing linear stepping motor.
Embodiment one: present embodiment is made up of conductive magnetic yoke 1, permanent magnet 2, mover core 3, magnetic isolation plate 4, stator core 6 and the winding 5 that is installed in the stator core 6, two rows about permanent magnet 1 is in-line and lines up along the direction of motion of motor, two row's permanent magnets 2 align mutually one by one, left bank permanent magnet 2a is arranged between left mover core 3a and the conductive magnetic yoke 1, right row's permanent magnet 2b is arranged between right mover core 3b and the conductive magnetic yoke 1, and magnetic isolation plate 4 is arranged between left mover core 3a and left bank permanent magnet 2a and right mover core 3b and the right row's permanent magnet 2b; This motor is a single-side structural, and stator core 6 is relative with right mover core 3b with left mover core 3a, and forms air gap 10; The magnetizing direction of permanent magnet 2 is vertical with air gap 10, and the magnetizing direction of every row's permanent magnet 2 is identical, about two row permanent magnets magnetizing direction opposite.Mover core 3a that two row's permanent magnet 2a and 2b are faced and 3b are on the plane of air gap 10, have the teeth groove 3e perpendicular with the direction of motion, the teeth groove 3e of mover core 3a and 3b is along the direction of motion half tooth distance that staggers, the following of air gap is stator core 6, stator core 6 greatly extremely on be wound with winding 5, on the plane of air gap, have teeth groove in stator core 6.Above-mentioned two row's permanent magnets 2 are plate shaped, and conductive magnetic yoke 1 is a permeability magnetic material.
Embodiment two: what present embodiment and embodiment one were different is, change this motor into bilateral structure, replace conductive magnetic yoke 1 with upper left mover core 3d and upper right mover core 3c, the top of magnetic isolation plate 4 is arranged between upper left mover core 3d and the upper right mover core 3c, the position relative with upper right mover core 3c with upper left mover core 3d also be provided with stator core 8 and mounted thereto on winding 7, form air gap 11 between last stator core 8 and upper left mover core 3d and the upper right mover core 3c.All have teeth groove 3f and the 3e perpendicular on the plane of upper and lower air gap 10 and 11 mover cores of facing with the direction of motion, the teeth groove 3f of mover core 3c and 3d is along the direction of motion half tooth distance that staggers, and the teeth groove of mover core 3a and 3b is along the direction of motion half tooth distance that staggers.This structure can improve the thrust output of motor, eliminates the harmful effect that unilateral magnetic force causes.
Claims (6)
1, the permanent magnetic resistance linear electric motors, it is by conductive magnetic yoke (1), permanent magnet (2), mover core (3), magnetic isolation plate (4), stator core (6) and the winding (5) that is installed in the stator core (6) are formed, it is characterized in that permanent magnet (1) be in-line and line up along the direction of motion of motor about two rows, left bank permanent magnet (2a) is arranged between left mover core (3a) and the conductive magnetic yoke (1), right row's permanent magnet (2b) is arranged between right mover core (3b) and the conductive magnetic yoke (1), and magnetic isolation plate (4) is arranged between left mover core (3a) and left bank permanent magnet (2a) and right mover core (3b) and the right row's permanent magnet (2b); This motor is a single-side structural, and stator core (6) is relative with right mover core (3b) with left mover core (3a), and forms air gap (10); The magnetizing direction of permanent magnet (2) is vertical with air gap (10), and the magnetizing direction of every row's permanent magnet (2) is identical, about two row permanent magnets magnetizing direction opposite.
2, permanent magnetic resistance linear electric motors according to claim 1, it is characterized in that changing this motor into bilateral structure, replace conductive magnetic yoke (1) with upper left mover core (3d) and upper right mover core (3c), the top of magnetic isolation plate (4) is arranged between upper left mover core (3d) and the upper right mover core (3c), also be provided with stator core (8) and last winding (7) mounted thereto in the position relative with upper right mover core (3c), form air gap (11) between last stator core (8) and upper left mover core (3d) and the upper right mover core (3c) with upper left mover core (3d).
3, permanent magnetic resistance linear electric motors according to claim 1 and 2, it is characterized in that two row's permanent magnets (2a) are with the mover core of (2b) being faced (3a) and (3b) on the plane of air gap (10), have the teeth groove perpendicular with the direction of motion (3e), mover core (3a) and (3b) teeth groove (3e) are along the direction of motion half tooth distance that staggers.
4, permanent magnetic resistance linear electric motors according to claim 2, it is characterized in that all having on the plane of upper and lower air gap (11) and (10) mover core of facing the teeth groove perpendicular with the direction of motion (3f) and (3e), mover core (3c) and (3d) teeth groove (3f) are along the direction of motion half tooth distance that staggers.
5, permanent magnetic resistance linear electric motors according to claim 1 and 2 is characterized in that two row's permanent magnets (2) are plate shaped.
6, permanent magnetic resistance linear electric motors according to claim 1 and 2 is characterized in that the teeth groove (6-1) of the adjacent phase of stator core differs m/tooth pitch, and m is a number of motor phases.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03132478 CN1284293C (en) | 2003-06-30 | 2003-06-30 | Permanent magnet magnetic resistance straight line motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03132478 CN1284293C (en) | 2003-06-30 | 2003-06-30 | Permanent magnet magnetic resistance straight line motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1484364A true CN1484364A (en) | 2004-03-24 |
| CN1284293C CN1284293C (en) | 2006-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03132478 Expired - Lifetime CN1284293C (en) | 2003-06-30 | 2003-06-30 | Permanent magnet magnetic resistance straight line motor |
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| CN (1) | CN1284293C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102299607A (en) * | 2011-08-25 | 2011-12-28 | 哈尔滨工业大学 | Transverse magnetic flux linear reluctance motor with offset permanent magnet |
| CN106340368A (en) * | 2015-08-28 | 2017-01-18 | 戴珊珊 | Alternating hybrid excitation component and application thereof in motor and transformer |
| CN110151349A (en) * | 2019-06-04 | 2019-08-23 | 邹和 | A kind of electric toothbrush |
| CN112953159A (en) * | 2021-04-26 | 2021-06-11 | 合肥工业大学 | Double-side permanent magnet auxiliary linear synchronous reluctance motor with high thrust density |
-
2003
- 2003-06-30 CN CN 03132478 patent/CN1284293C/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102299607A (en) * | 2011-08-25 | 2011-12-28 | 哈尔滨工业大学 | Transverse magnetic flux linear reluctance motor with offset permanent magnet |
| CN106340368A (en) * | 2015-08-28 | 2017-01-18 | 戴珊珊 | Alternating hybrid excitation component and application thereof in motor and transformer |
| CN106340368B (en) * | 2015-08-28 | 2021-04-23 | 戴珊珊 | Alternating composite excitation assembly and application thereof in motor and transformer |
| CN110151349A (en) * | 2019-06-04 | 2019-08-23 | 邹和 | A kind of electric toothbrush |
| CN112953159A (en) * | 2021-04-26 | 2021-06-11 | 合肥工业大学 | Double-side permanent magnet auxiliary linear synchronous reluctance motor with high thrust density |
| CN112953159B (en) * | 2021-04-26 | 2022-07-12 | 合肥工业大学 | Double-side permanent magnet auxiliary linear synchronous reluctance motor with high thrust density |
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| Publication number | Publication date |
|---|---|
| CN1284293C (en) | 2006-11-08 |
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Granted publication date: 20061108 |