CN204497948U - Based on the linear electric motors in Circular Winding and repulsion magnetic field - Google Patents
Based on the linear electric motors in Circular Winding and repulsion magnetic field Download PDFInfo
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- CN204497948U CN204497948U CN201520135399.4U CN201520135399U CN204497948U CN 204497948 U CN204497948 U CN 204497948U CN 201520135399 U CN201520135399 U CN 201520135399U CN 204497948 U CN204497948 U CN 204497948U
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Abstract
The utility model discloses the linear electric motors based on Circular Winding and repulsion magnetic field, comprise magnetic steel component and armature assembly; Armature assembly comprises the Circular Winding of iron core and wound core; Circular Winding is along the linear movement direction circular wound of motor, and the cross section orthogonal of Circular Winding is in the linear movement direction of motor; Magnetic steel component comprises the first magnet steel unit and the second magnet steel unit that are arranged on armature assembly both sides, row's magnet steel that first magnet steel unit comprises the first back iron and parallel interval is arranged on the first back iron inner surface, row's magnet steel that the second magnet steel unit comprises the second back iron and parallel interval is arranged on the second back iron inner surface; First back iron is identical with the magnet steel quantity on the second back iron, is positioned at adjacent two magnet steel polarity on same back iron contrary, is positioned at the first back iron identical with two magnet steel polarity of the second back iron relative position.Should low based on the linear electric motors iron loss copper loss in Circular Winding and repulsion magnetic field, power of motor density is large, volume is little, space utilization is good.
Description
Technical field
The utility model relates to machine field, particularly relates to a kind of linear electric motors based on Circular Winding and repulsion magnetic field.
Background technology
Linear electric motors are a kind of power set that electric energy can be directly changed into the mechanical energy of rectilinear motion, are a kind of driving elements that can provide high-power and high thrust., all there is the shortcomings such as winding overhang is large, volume large, power of motor density is low, iron loss copper loss is high, be further improved in the sub-linear electric motors of existing single stator single action, ironless linear motors.
Utility model content
The technical problems to be solved in the utility model is, for the defect of prior art, provides a kind of linear electric motors based on Circular Winding and repulsion magnetic field of improvement.
The utility model solves the technical scheme that its technical problem adopts: based on the linear electric motors in Circular Winding and repulsion magnetic field, comprise magnetic steel component and armature assembly;
Described armature assembly comprises iron core and the Circular Winding around described iron core; Described Circular Winding is along the linear movement direction circular wound of motor, and the cross section orthogonal of described Circular Winding is in the linear movement direction of motor;
Described magnetic steel component comprises the first magnet steel unit and the second magnet steel unit that are arranged on described armature assembly both sides, row's magnet steel that described first magnet steel unit comprises the first back iron, parallel interval is arranged on described first back iron inner surface, row's magnet steel that described second magnet steel unit comprises the second back iron, parallel interval is arranged on described second back iron inner surface; Described first back iron is identical with the magnet steel quantity on described second back iron, is positioned at adjacent two magnet steel polarity on same back iron contrary, is positioned at described first back iron identical with two magnet steel polarity of described second back iron relative position.
Preferably, also comprise the line slideway supporting component ordering about the relatively described magnetic steel component motion of described armature assembly, now, described armature assembly is mover, and described first magnet steel unit and described second magnet steel unit are stator.
Preferably, also comprise the line slideway supporting component ordering about the relatively described armature assembly motion of described magnetic steel component, now, described armature assembly is stator, and described first magnet steel unit and described second magnet steel unit are mover.
Preferably, described magnetic steel component also comprises the convergence piece for connecting described first back iron and described second back iron, described armature assembly also comprises the base for fixing described iron core, described convergence piece and described base are connected with described line slideway supporting component respectively, and do rectilinear motion under described line slideway supporting component controls.
Preferably, the magnet steel quantity on described first back iron and described second back iron is 2P, and the basic parameter of described linear electric motors should meet: L >=P τ, q<P, and wherein τ is the pole span of magnet steel, and wherein L is the length of described linear electric motors; Or
Magnet steel quantity on described first back iron and described second back iron is 2P+1, the basic parameter of described linear electric motors should meet: L >=(P+0.5) τ, q< (P+0.5), wherein τ is the pole span of magnet steel, and wherein L is the length of described linear electric motors.
Preferably, described armature assembly also comprises the upper insulating end plate and lower insulating end plate that are arranged on described iron core two ends, described upper insulating end plate and the uniform Z=2qm of described lower insulating end plate for separating and locate the projection of described Circular Winding, wherein Z is the empty groove number of described linear electric motors, q be described Circular Winding across the logarithm of magnetic steel magnetic pole, m is the number of phases of described linear electric motors.
Preferably, described iron core is the square core of some square silicon steel plate stackings.
Preferably, the thickness of described square silicon steel sheet is 0.2 ~ 0.5mm.
Preferably, described armature assembly is provided with Z Virtual groove along the mover direction of motion, and Z=2qm=6q, m=3 are three-phase permanent linear electric motors; U, V, W three-phase windings, the direction circular wound along mover rectilinear motion forms three-phase independent winding or three-phase windings mid point is connected to form Y connected mode.
Preferably, described armature assembly is provided with Z Virtual groove along the mover direction of motion, and Z=2qm=4q, m=2 are two phase permanent magnet linear electric motors; A, B two phase winding, along the direction circular wound of mover rectilinear motion, forms two-phase independent winding.
The utility model compared with prior art tool has the following advantages: implement the utility model, first magnet steel unit and the second magnet steel unit are set, make to be positioned at the first back iron identical with the magnet steel polarity of two on the second back iron, form repulsion magnetic field, to ensure that the extreme portions magnetic line of force vertically enters Circular Winding and place iron core thereof, be positioned at the Circular Winding cutting magnetic line on iron core surface to produce effective torque, the magnetic line of force deflects 90 ° after entering Circular Winding place iron core immediately, form the tangential magnetic field consistent with the mover direction of motion, thus make the character of iron loss become the loss of iron core surface eddy, the numerical value of iron loss declines to a great extent, and power of motor density is large, volume is little, space utilization is good, the power density of constancy of volume increases by 100%.And the utility model adopts the linear electric motors design in repulsion magnetic field, and motor winding can, along winding place iron core circular wound, make the end size of winding reduce by half, and compared with traditional line motor, can reduce copper loss about 30%.The winding method of the utility model winding is easier, easily realizes Full-automatic coiling, and the reliability of linear electric motors and consistency are improved.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the structural representation based on the linear electric motors in Circular Winding and repulsion magnetic field in the utility model one embodiment.
Fig. 2 is the profile based on the linear electric motors in Circular Winding and repulsion magnetic field in the utility model one embodiment.
Fig. 3 is the magnetic line of force schematic diagram based on the linear electric motors in Circular Winding and repulsion magnetic field in the utility model one embodiment.
Fig. 4 is structural representation and the three-phase windings expansion schematic diagram of U phase winding in the utility model one embodiment.
In figure: 10, armature assembly; 11, iron core; 12, Circular Winding; 13, upper insulating end plate; 14, lower insulating end plate; 15, base; 20, magnetic steel component; 21, the first back iron; 22, the second back iron; 23, magnet steel; 24, convergence piece.
Embodiment
In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, now contrast accompanying drawing and describe embodiment of the present utility model in detail.
Fig. 1 and Fig. 2 illustrates the linear electric motors based on Circular Winding and repulsion magnetic field in the present embodiment.These linear electric motors comprise magnetic steel component 20 and armature assembly 10.Particularly, armature assembly 10 comprises the Circular Winding 12 of iron core 11 and wound core 11.Circular Winding 12 is along the linear movement direction circular wound of motor, and the cross section orthogonal of Circular Winding 12 is in the linear movement direction of linear electric motors, and the linear movement direction of this motor is the mover direction of motion.Understandably, Circular Winding 12, along iron core 11 circular wound, makes the end size of Circular Winding 12 reduce by half, and compared with traditional line motor, the copper loss of winding coil can be made to reduce about 30%.And the winding method of Circular Winding 12 provided by the utility model is easier, easily realizes Full-automatic coiling, the reliability of linear electric motors and consistency are improved.
As shown in Figure 1 and Figure 2, magnetic steel component 20 comprises the first magnet steel unit (not shown) and the second magnet steel unit (not shown) that are arranged on armature assembly 10 both sides, understandably, the first magnet steel unit and the second magnet steel unit symmetrical relative to armature assembly 10.Row's magnet steel 23 that first magnet steel unit comprises the first back iron 21 and parallel interval is arranged on the first back iron 21 inner surface, row's magnet steel 23 that second magnet steel unit comprises the second back iron 22 and parallel interval is arranged on the second back iron 22 inner surface, understandably, the magnet steel 23 on the first back iron 21 and the magnet steel 23 on the second back iron 22 are oppositely arranged.As shown in Figure 2 and Figure 3, first back iron 21 is identical with magnet steel 23 quantity on the second back iron 22, be positioned at adjacent two magnet steel 23 polarity contrary (i.e. the extremely alternate setting of N pole and S) on same back iron, be positioned at the first back iron 21 identical with two magnet steel 23 polarity of the second back iron 22 relative position, form repulsion magnetic field with the space making it opposed, armature assembly 10 is in this repulsion magnetic field.
Identical with two magnet steel 23 polarity on the second back iron 22 owing to being positioned at the first back iron 21, form repulsion magnetic field, ensure that the extreme portions magnetic line of force vertically enters Circular Winding 12 and place iron core 11 thereof, be positioned at Circular Winding 12 cutting magnetic line on iron core 11 surface to produce effective torque, the magnetic line of force deflects 90 ° after entering Circular Winding 12 place iron core 11 immediately, form the tangential magnetic field consistent with the mover direction of motion, thus make the character of iron loss become the loss of iron core 11 surface eddy, the numerical value of iron loss declines to a great extent, and power of motor density is large, volume is little, space utilization is good, the power density of constancy of volume increases by 100%.
Particularly, magnet steel 23 quantity on the first back iron 21 and described second back iron 22 is 2P, and the basic parameter of linear electric motors should meet: L >=P τ, q<P, and wherein τ is the pole span of magnet steel 23, and wherein L is the length of linear electric motors.Or
Magnet steel 23 quantity on first back iron 21 and described second back iron 22 is 2P+1, the basic parameter of linear electric motors should meet: L >=(P+0.5) τ, q< (P+0.5), wherein τ is the pole span of magnet steel 23, and wherein L is the length of linear electric motors.
As shown in Figure 4, armature assembly 10 comprises iron core 11, is arranged on the Circular Winding 12 of the upper insulating end plate 13 at iron core 11 two ends and lower insulating end plate 14 and wound core 11.Particularly, upper insulating end plate 13 and the uniform Z=2qm of lower insulating end plate 14 for separating and locate the projection of Circular Winding 12, for separating and locating winding, wherein Z is the empty groove number of linear electric motors, q be Circular Winding 12 across the logarithm of magnet steel 23 magnetic pole, m is the number of phases of linear electric motors.
In Fig. 4, (a) is the assembly schematic diagram around U phase winding, and (b) is the schematic diagram of its spatial relationship of expression after three-phase windings launches, and three-phase windings is circumferentially uniformly distributed by 120 ° of electrical degrees.As shown in Figure 4, armature assembly 10 can be provided with Z Virtual groove along the mover direction of motion, and Z=2qm=6q, m=3 are three-phase permanent linear electric motors; U, V, W three-phase windings, the direction circular wound along mover rectilinear motion forms three-phase independent winding or described three-phase windings mid point is connected to form Y connected mode.
Understandably, armature assembly 10 can also be provided with Z Virtual groove along the mover direction of motion, and Z=2qm=4q, m=2 are two phase permanent magnet linear electric motors; A, B two phase winding, along the direction circular wound of mover rectilinear motion, forms two-phase independent winding.
Iron core 11 is the square core 11 of some square silicon steel plate stackings.As shown in Figure 2, the iron loss character of linear electric motors is the loss of iron core 11 surface eddy, adopt the iron core 11 that silicon steel sheet is made, effectively can suppress the eddy current loss on iron core 11 surface, and owing to adopting the Circular Winding 12 of linearly electric mover direction of motion circular wound, and make armature assembly 10 be in repulsion magnetic field, make the magnetic line of force of iron core 11 inside consistent with the mover direction of motion of motor, the eddy current loss produced is minimum does not even produce eddy current loss, and then the linear electric motors making the present embodiment provide are compared with traditional line motor, iron loss numerical value declines to a great extent.Particularly, the thickness of square silicon steel sheet is 0.2 ~ 0.5mm, can reduce the surperficial iron loss of iron core 11 further, makes linear electric motors be suitable for high-speed high frequency and runs.
Particularly, also should comprise based on Circular Winding and the linear electric motors in repulsion magnetic field the line slideway supporting component (not shown) being connected armature assembly 10 and magnetic steel component 20, for supporting and keeping on armature assembly 10 and magnetic steel component 20 opposed two to arrange air gap between magnet steel 23.Understandably, line slideway supporting component may be used for ordering about the relative magnetic steel component 20 of armature assembly 10 and moves, now, armature assembly 10 is mover, first magnet steel unit and the second magnet steel unit are stator, armature assembly 10 is relative to the first magnet steel unit and the second magnet steel unit linearly guide rail movement, and common formation single action is sub, the repulsion magnetic field linear motor of bimorph transducer.
Understandably, this line slideway supporting component can also be used for the line slideway supporting component ordering about relative armature assembly 10 motion of magnetic steel component 20, now, armature assembly 10 is stator, first magnet steel unit and the second magnet steel unit are mover, first magnet steel unit and the second magnet steel unit, relative to armature assembly 10 linearly guide rail movement, form the repulsion magnetic field linear motor of single stator, two mover jointly.
Particularly, magnetic steel component 20 also comprises the convergence piece 24 for connecting the first back iron 21 and the second back iron 22, armature assembly 10 also comprises the base 15 for secured core 11, convergence piece 24 is connected with line slideway supporting component respectively with base 15, and does rectilinear motion under line slideway supporting component controls.
Understandably, the utility model is by adopting repulsion magnetic field and loop coil winding technique, effectively improve air gap flux density, have compressed the length of magnetic path, reduce winding overhang significantly, make linear electric motors have larger output torque, reduce the copper loss of Circular Winding 12 in armature assembly 10 and the iron loss of iron core 11 simultaneously, energy-conservation and efficient.
Embodiment 1
The utility model provides a kind of three-phase linear motor based on Circular Winding and repulsion magnetic field, as shown in Figure 1, when line slideway supporting component allows the relative magnetic steel component 20 of armature assembly 10 to move, in figure, the Circular Winding 12 of armature assembly 10, the iron core 11 at Circular Winding 12 place, the upper insulating end plate 13 between Circular Winding 12 and iron core 11 and lower insulating end plate 14 become mover, magnet steel 23, first back iron 21, second back iron 22 and the convergence piece 24 between the first back iron 21 and the second back iron 22 become stator, the common linear electric motors forming single action, bimorph transducer; Wherein, stator and mover all linearly type.
The armature assembly 10 of the present embodiment cathetus motor is made up of three-phase Circular Winding 12, as shown in Figure 4, wherein Fig. 4 (a) is the assembly schematic diagram around U phase winding, Fig. 4 (b) is the schematic diagram of its spatial relationship of expression after three-phase Circular Winding 12 is launched, and three-phase Circular Winding 12 is circumferentially uniformly distributed by 120 ° of electrical degrees.Upper insulating end plate 13 between Circular Winding 12 and iron core 11 and lower insulating end plate 14 are arranged on Circular Winding 12 place iron core 11, then three-phase Circular Winding 12 is embedded in upper insulating end plate 13 and lower insulating end plate 14, form armature assembly 10, understandably, iron core 11 is fixed on base 15.
Two row's magnet steel 23 of the present embodiment cathetus motor are attached to the inner side of the first back iron 21 and the second back iron 22 respectively.The number of magnetic poles of two row's magnet steel 23 is 2P or 2P+1, and two magnet steel 23 polarity in opposite directions of arranging in magnet steel 23 are identical, are namely all N pole or S pole, in " magnetic field of repelling each other ".
Because the magnetic pole of two row's magnet steel 23 is that homopolarity is relative, thus ensure that the extreme portions magnetic line of force vertically enters Circular Winding 12 and place iron core 11 thereof, Circular Winding 12 cutting magnetic line produces effective torque, and the magnetic line of force deflects 90 ° immediately after entering Circular Winding 12 place iron core 11, form the tangential magnetic field consistent with the linear electric motors direction of motion, as shown in Figure 3.In the present embodiment, the character of linear electric motors iron loss is made to be the loss of iron core 11 surface eddy.Because iron core 11 adopts silicon steel plate stacking to form, inhibit the loss of iron core 11 surface eddy, and the magnetic line of force of iron core 11 inside is consistent with the linear electric motors direction of motion, does not produce eddy current loss; Therefore the iron loss based on Circular Winding and the linear electric motors in repulsion magnetic field that provides of the present embodiment compared with traditional line motor, numerically decline to a great extent, and the end of the Circular Winding 12 of these linear electric motors is very little, whole windings of linear electric motors can produce moment.To sum up, the power density of the linear electric motors based on Circular Winding and repulsion magnetic field in the present embodiment is large, volume is little, and space utilization is good, and the power density of constancy of volume increases by 100%.
As shown in Figure 4, Circular Winding 12 based on Circular Winding and repulsion magnetic field linear motor designs, the end size of Circular Winding 12 is reduced by half, thus make the copper loss of winding coil reduce about 30%, the winding method of Circular Winding 12 is easier, easily realize Full-automatic coiling, the reliability of linear electric motors and consistency are improved.In the present embodiment, the thickness of Circular Winding 12 place iron core 11 silicon steel sheet is 0.35mm, can reduce surperficial iron loss further, makes linear electric motors adapt to high-speed high frequency and runs.
Embodiment 2
The utility model provides a kind of three-phase linear motor based on Circular Winding and repulsion magnetic field, as shown in Figure 1, when line slideway supporting component allows the relative armature assembly 10 of magnetic steel component 20 to move, in figure, magnet steel 23, first back iron 21, second back iron 22 and the convergence piece 24 between the first back iron 21 and the second back iron 22 become mover, the Circular Winding 12 of armature assembly 10, the iron core 11 at Circular Winding 12 place, the upper insulating end plate 13 between Circular Winding 12 and iron core 11 and lower insulating end plate 14 become stator, the common linear electric motors forming single stator, two mover; Wherein, stator and mover all linearly type.
The armature assembly 10 of the present embodiment cathetus motor is made up of three-phase Circular Winding 12, as shown in Figure 4, wherein Fig. 4 (a) is the assembly schematic diagram around U phase winding, Fig. 4 (b) is the schematic diagram of its spatial relationship of expression after three-phase Circular Winding 12 is launched, and three-phase Circular Winding 12 is circumferentially uniformly distributed by 120 ° of electrical degrees.Upper insulating end plate 13 between Circular Winding 12 and iron core 11 and lower insulating end plate 14 are arranged on Circular Winding 12 place iron core 11, then three-phase Circular Winding 12 is embedded in upper insulating end plate 13 and lower insulating end plate 14, form electric machine assembly, understandably, iron core 11 is fixed on base 15.
Two row's magnet steel 23 of the present embodiment linear electric motors are attached to the inner side of the first back iron 21 and the second back iron 22 respectively.The number of magnetic poles of two row's magnet steel 23 is 2P or 2P+1, and two magnet steel in opposite directions 23 polarity of arranging in magnet steel 23 are identical, are namely all N pole or S pole, in " magnetic field of repelling each other ".
Because the magnetic pole of two row's magnet steel 23 is that homopolarity is relative, thus ensure that the extreme portions magnetic line of force vertically enters Circular Winding 12 and place iron core 11 thereof, Circular Winding 12 cutting magnetic line produces effective torque, and the magnetic line of force deflects 90 ° immediately after entering Circular Winding 12 place iron core 11, form the tangential magnetic field consistent with the linear electric motors direction of motion, as shown in Figure 3.The present embodiment is, makes the character of linear electric motors iron loss become the loss of iron core 11 surface eddy.Because iron core 11 adopts silicon steel plate stacking to form, inhibit the loss of iron core 11 surface eddy, and the magnetic line of force of iron core 11 inside is consistent with the linear electric motors direction of motion, do not produce eddy current loss, the iron loss based on Circular Winding and the linear electric motors in repulsion magnetic field that the present embodiment provides compared with traditional line motor, numerically decline to a great extent, and the end of the Circular Winding 12 of these linear electric motors is very little, whole windings of linear electric motors can produce moment.To sum up, the power density of the linear electric motors based on Circular Winding and repulsion magnetic field in the present embodiment is large, volume is little, and space utilization is good, and the power density of constancy of volume increases by 100%.
As shown in Figure 3, Circular Winding 12 based on the linear electric motors in Circular Winding and repulsion magnetic field designs, the end size of winding is reduced by half, thus make the copper loss of winding coil reduce about 30%, the winding method of Circular Winding 12 is easier, easily realize Full-automatic coiling, the reliability of linear electric motors and consistency are improved.In the present embodiment, the thickness of Circular Winding 12 place iron core 11 silicon steel sheet is 0.45mm, can reduce surperficial iron loss further, makes linear electric motors adapt to high-speed high frequency and runs.
Embodiment 3
The present embodiment provides a kind of two-phase linear electric motors based on Circular Winding and repulsion magnetic field, as shown in Figure 1, when line slideway supporting component allows the relative magnetic steel component 20 of armature assembly 10 to move, the Circular Winding 12 of armature assembly 10, the iron core 11 at Circular Winding 12 place, the upper insulating end plate 13 between Circular Winding 12 and iron core 11 and lower insulating end plate 14 become mover, magnet steel 23, first back iron 21, second back iron 22 and the convergence piece 24 between the first back iron 21 and the second back iron 22 become stator, the common linear electric motors forming single action, bimorph transducer.
Stator and mover all linearly type, the first back iron 21 and the second back iron 22 lay respectively at the both sides of Circular Winding 12 and place iron core 11 thereof; Two row's magnet steel 23 are attached to the inner side of the first back iron 21 and the second back iron 22; The number of magnetic poles of two row's magnet steel 23 are 2P or 2P+1, and the polarity of magnet steel 23 in opposite directions of two row's magnet steel 23 is identical, in " magnetic field of repelling each other ", Circular Winding 12 place iron core 11 are provided with A, B two phase winding.
Embodiment 4
The present embodiment provides a kind of two-phase linear electric motors based on Circular Winding and repulsion magnetic field, as shown in Figure 1, when line slideway support system allows the relative armature winding of magnet steel 23 to move, magnet steel 23, first back iron 21, second back iron 22 and the convergence piece 24 between the first back iron 21 and the second back iron 22 become mover, the Circular Winding 12 of armature assembly 10, the iron core 11 at Circular Winding 12 place, the upper insulating end plate 13 between Circular Winding 12 and iron core 11 and lower insulating end plate 14 become stator, the common linear electric motors forming single stator, two mover.
Stator and mover all linearly type, the first back iron 21 and the second back iron 22 lay respectively at the both sides of Circular Winding 12 and place iron core 11 thereof; Two row's magnet steel 23 are attached to the inner side of the first back iron 21 and the second back iron 22; The number of magnetic poles of two row's magnet steel 23 are 2P or 2P+1, and the polarity of magnet steel 23 in opposite directions of two row's magnet steel 23 is identical, in " magnetic field of repelling each other ", Circular Winding 12 place iron core 11 are provided with A, B two phase winding.
The utility model is described by several specific embodiment, it will be appreciated by those skilled in the art that, when not departing from the utility model scope, can also carry out various conversion and be equal to substituting to the utility model.In addition, for particular condition or concrete condition, various amendment can be made to the utility model, and not depart from scope of the present utility model.Therefore, the utility model is not limited to disclosed specific embodiment, and should comprise the whole execution modes fallen in the utility model right.
Claims (10)
1., based on the linear electric motors in Circular Winding and repulsion magnetic field, comprise magnetic steel component (20) and armature assembly (10); It is characterized in that,
Described armature assembly (10) comprises iron core (11) and the Circular Winding (12) around described iron core (11); Described Circular Winding (12) is along the linear movement direction circular wound of motor, and the cross section orthogonal of described Circular Winding (12) is in the linear movement direction of motor;
Described magnetic steel component (20) comprises the first magnet steel unit and the second magnet steel unit that are arranged on described armature assembly (10) both sides, row's magnet steel (23) that described first magnet steel unit comprises the first back iron (21), parallel interval is arranged on described first back iron (21) inner surface, row's magnet steel (23) that described second magnet steel unit comprises the second back iron (22), parallel interval is arranged on described second back iron (22) inner surface; Described first back iron (21) is identical with magnet steel (23) quantity on described second back iron (22), be positioned at adjacent two magnet steel (23) polarity on same back iron contrary, be positioned at described first back iron (21) identical with two magnet steel (23) polarity of described second back iron (22) relative position.
2. the linear electric motors based on Circular Winding and repulsion magnetic field according to claim 1, it is characterized in that, also comprise the line slideway supporting component ordering about the relatively described magnetic steel component (20) of described armature assembly (10) and move, now, described armature assembly (10) is mover, and described first magnet steel unit and described second magnet steel unit are stator.
3. the linear electric motors based on Circular Winding and repulsion magnetic field according to claim 1, it is characterized in that, also comprise the line slideway supporting component ordering about the relatively described armature assembly (10) of described magnetic steel component (20) and move, now, described armature assembly (10) is stator, and described first magnet steel unit and described second magnet steel unit are mover.
4. the linear electric motors based on Circular Winding and repulsion magnetic field according to Claims 2 or 3, it is characterized in that, described magnetic steel component (20) also comprises the convergence piece (24) for connecting described first back iron (21) and described second back iron (22), described armature assembly (10) also comprises the base (15) for fixing described iron core (11), described convergence piece (24) is connected with described line slideway supporting component respectively with described base (15), and does rectilinear motion under described line slideway supporting component controls.
5. the linear electric motors based on Circular Winding and repulsion magnetic field according to claim 1, it is characterized in that, magnet steel (23) quantity on described first back iron (21) and described second back iron (22) is 2P, the basic parameter of described linear electric motors should meet: L >=P τ, q <P, wherein τ is the pole span of magnet steel (23), and wherein L is the length of described linear electric motors; Or
Magnet steel (23) quantity on described first back iron (21) and described second back iron (22) is 2P+1, the basic parameter of described linear electric motors should meet: L >=(P+0.5) τ, q < (P+0.5), wherein τ is the pole span of magnet steel (23), and wherein L is the length of described linear electric motors.
6. the linear electric motors based on Circular Winding and repulsion magnetic field according to claim 1, it is characterized in that, described armature assembly (10) also comprises the upper insulating end plate (13) and lower insulating end plate (14) that are arranged on described iron core (11) two ends, described upper insulating end plate (13) and the individual projection for separating and locate described Circular Winding (12) of described lower insulating end plate (14) uniform Z=2qm, wherein Z is the empty groove number of described linear electric motors, q be described Circular Winding (12) across the logarithm of magnet steel (23) magnetic pole, m is the number of phases of described linear electric motors.
7. the linear electric motors based on Circular Winding and repulsion magnetic field according to claim 1, is characterized in that, the square core (11) that described iron core (11) is some square silicon steel plate stackings.
8. the linear electric motors based on Circular Winding and repulsion magnetic field according to claim 7, it is characterized in that, the thickness of described square silicon steel sheet is 0.2 ~ 0.5mm.
9. the linear electric motors based on Circular Winding and repulsion magnetic field according to claim 1-3, any one of 5-8, it is characterized in that, described armature assembly (10) is provided with Z Virtual groove along the mover direction of motion, and Z=2qm=6q, m=3 are three-phase permanent linear electric motors; U, V, W three-phase windings, the direction circular wound along mover rectilinear motion forms three-phase independent winding or three-phase windings mid point is connected to form Y connected mode.
10. the linear electric motors based on Circular Winding and repulsion magnetic field according to claim 1-3, any one of 5-8, it is characterized in that, described armature assembly (10) is provided with Z Virtual groove along the mover direction of motion, and Z=2qm=4q, m=2 are two phase permanent magnet linear electric motors; A, B two phase winding, along the direction circular wound of mover rectilinear motion, forms two-phase independent winding.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105099123A (en) * | 2015-03-10 | 2015-11-25 | 深圳航天科技创新研究院 | Linear motor based on annular winding and expulsive force magnetic field |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105099123A (en) * | 2015-03-10 | 2015-11-25 | 深圳航天科技创新研究院 | Linear motor based on annular winding and expulsive force magnetic field |
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