CN208707510U - A kind of structure of the linear motion actuator and magnetic suspension train - Google Patents
A kind of structure of the linear motion actuator and magnetic suspension train Download PDFInfo
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- CN208707510U CN208707510U CN201821283960.3U CN201821283960U CN208707510U CN 208707510 U CN208707510 U CN 208707510U CN 201821283960 U CN201821283960 U CN 201821283960U CN 208707510 U CN208707510 U CN 208707510U
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Abstract
The utility model discloses a kind of structure of the linear motion actuator and magnetic suspension trains, the structure of the linear motion actuator includes: mover (1) and hollow stator (3), and setting in the stator winding (2) in the yoke portion of the hollow stator (3)；Wherein, it in the teeth portion of the hollow stator (3), is equipped with teeth portion permeability magnetic material (4)；And/or in the yoke portion of the hollow stator (3), it is equipped with yoke portion permeability magnetic material (5).The embodiment of the utility model, Normal Force is too big when can solve permanent magnet drive motor cored in the prior art for magnetic suspension train and the permanent magnet drive motor Normal Force of iron-core-free is too small there is a problem of that energy consumption is high, achievees the effect that energy saving.
Description
Technical field
The utility model belongs to magnetic levitation technology field, and in particular to a kind of structure of the linear motion actuator and magnetic suspension train, especially
The magnetic suspension train of a kind of its linear motor for being related to adjustable normal force and the linear motor with the adjustable normal force.
Background technique
With rapid development of the magnetic suspension train in high-speed rail transportation cause, the requirement to its driving motor is also more next
Higher, the motor scheme of countries in the world is concentrated mainly in permanent-magnet synchronous and alternating current asynchronous linear motor two schemes, it is contemplated that
The limitation of energy consumption, maximum speed etc., permanent-magnetism linear motor is increasingly by the favor of industry.
The existing permanent magnet drive motor for magnetic suspension train is mostly cored structure, this will lead to the method for motor
It is larger to suction and be not easy to adjust, utilizable positive force can not be become, and to train in high speed and superfast safety
Operation brings hidden danger；If the suction between stator and mover is very small using iron-free cored structure, when train is heavier, can give
Suspension mechanism brings very big pressure, excessive so as to cause reluctance force；It is larger to will lead to current of electric for iron-free cored structure simultaneously, also deposits
Inefficiency, energy consumption is high the problems such as.
Utility model content
The purpose of this utility model is that in view of the foregoing drawbacks, a kind of structure of the linear motion actuator and magnetic suspension train are provided, with
Solve in the prior art be used for magnetic suspension train motor, when cored the Normal Force of motor can not become it is utilizable just
Xiang Li, suction when iron-core-free between stator and mover is very small, there are problems that reluctance force is excessive and increases energy consumption, reaches
Reduce the effect of reluctance force thereby saving energy consumption.
The utility model provides a kind of structure of the linear motion actuator, comprising: mover and hollow stator, and be arranged described hollow
The stator winding in the yoke portion of stator；Wherein, in the teeth portion of the hollow stator, it is equipped with teeth portion permeability magnetic material；And/or described
The yoke portion of hollow stator is equipped with yoke portion permeability magnetic material.
Optionally, in the teeth portion of the hollow stator, the first groove is offered, the teeth portion permeability magnetic material is placed in described
First groove；And/or in the yoke portion of the hollow stator, the second groove is offered, yoke portion permeability magnetic material is placed in described
Second groove.
Optionally, the teeth portion permeability magnetic material is fixedly installed in first groove by the way of interference fit；With/
Or, yoke portion permeability magnetic material, is fixedly installed in second groove by the way of interference fit.
Optionally, wherein at least one of first groove, described second groove groove are rectangular recess；With/
Or, at least one of first groove, described second groove groove, comprising: run through slot, and/or perpendicular to paper
Two parts slot that direction opens up respectively to both ends.
Optionally, first groove is set to the teeth portion of the hollow stator close to the mover；And/or it is described
The distance between first groove and the mover, in set distance range.
Optionally, the width of second groove, less than or equal to the width of the stator slot of the hollow stator.
Optionally, wherein at least one of the teeth portion permeability magnetic material, the yoke portion permeability magnetic material permeability magnetic material, packet
It includes: by the non-oriented silicon steel sheet of setting thickness, by setting stacking factor, to set the magnetic conductive part for laminating direction and being overrided to form；With/
Or, the permanent magnet of the mover, using Halbach permanent array structure.
Optionally, wherein the setting thickness of the non-oriented silicon steel sheet is less than or equal to 0.35mm；And/or it described sets
Determine stacking factor, is greater than or equal to 0.975；It is described to laminate direction, comprising: perpendicular to the direction of paper；And/or the magnetic conduction
Part, comprising: the magnetic conductive part of cubic.
Match with above structure, the utility model another further aspect provides a kind of magnetic suspension train, comprising: above-described
Structure of the linear motion actuator.
The embodiment of the utility model can be more sufficiently sharp by optimizing the stator of linear motor and the structure type of mover
With the electromagnet effect between stator and mover, under the premise of not reducing linear motor pushing force, so that linear motor stator electric and mover
Between Normal Force needed for generation system, promote the safety of magnetic suspension train operation.
Further, the embodiment of the utility model, by adjusting non-magnet material on the stator of traditional ironless linear motors
Structure, so as to adjust the Normal Force of linear motor, for magnetic suspension train, increased Normal Force can be for vehicle
Suspension positive force is provided, to reduce the pressure demand of suspension system, mitigate suspension structure, improve system and use effect
Rate enhances the safety and reliability of vehicle.
The embodiment of the utility model as a result, it is real by adjusting non-magnet material structure on the stator of ironless linear motors
The Normal Force for now adjusting linear motor solves the motor for being used for magnetic suspension train in the prior art, the method for motor when cored
It can not become utilizable positive force to suction, suction when iron-core-free between stator and mover is very small, there is safety
Property the difference and high problem of energy consumption, thus, overcome poor safety in the prior art, low efficiency and the high defect of energy consumption, realize safely
The beneficial effect that property is good, high-efficient and low energy consumption.
Other features and advantages of the utility model will illustrate in the following description, also, partly from specification
In become apparent, or understood and implementing the utility model.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of an embodiment of the structure of the linear motion actuator of the utility model, straight line after specially optimizing
Electric machine structure figure；
Fig. 2 is the structural schematic diagram of traditional ironless linear motors.
In conjunction with attached drawing, appended drawing reference is as follows in the utility model embodiment:
1- mover (permanent magnet)；2- stator winding；3- hollow stator；4- teeth portion permeability magnetic material；5- yoke portion permeability magnetic material.
Specific embodiment
It is specific below in conjunction with the utility model to keep the purpose of this utility model, technical solution and advantage clearer
Technical solutions of the utility model are clearly and completely described in embodiment and corresponding attached drawing.Obviously, described embodiment
It is only the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, this field
Those of ordinary skill's every other embodiment obtained without making creative work, belongs to the utility model
The range of protection.
Embodiment according to the present utility model provides a kind of structure of the linear motion actuator.The utility model shown in Figure 1
The structural schematic diagram of one embodiment of structure of the linear motion actuator.The structure of the linear motion actuator may include: mover 1 and hollow stator 3, with
And the stator winding 2 in the yoke portion of the hollow stator 3 is set.
Wherein, in the teeth portion of the hollow stator 3, it is equipped with teeth portion permeability magnetic material 4；And/or in the hollow stator 3
Yoke portion is equipped with yoke portion permeability magnetic material 5.
Such as: it can be by adjusting non-magnet material structure on the stator of traditional ironless linear motors, so as to adjust straight
The Normal Force of line motor.
Such as: on the non-magnet material fixing piece of traditional ironless linear motors stator, in its teeth portion and/or yoke portion
Design has part permeability magnetic material, by adjusting the volume and quality of permeability magnetic material, so as to adjust Normal Force, so that Normal Force
Become utilizable suspension positive force, be used, mitigate the pressure of suspension system, and thrust can be increased simultaneously, thus
Increase motor service efficiency, energy saving.
Such as: permeability magnetic material can only increase teeth portion or only increase yoke portion or teeth portion yoke portion increase simultaneously, can equally lead to
It crosses adjustment permeability magnetic material dosage and adjusts Normal Force.That is to say, increasing permeability magnetic material, Normal Force increases；Reduce magnetic conduction material
Material, Normal Force reduce.
Such as: by adjusting the size of permeability magnetic material and its position in stator without iron core, it can be achieved that being adjusted flexibly
The purpose of Normal Force and tangential thrust.
As a result, by the way that permeability magnetic material is arranged in the teeth portion of hollow stator and/or yoke portion, the stator of linear motor can be optimized
And the structure type of mover, the electromagnet effect between stator and mover can be more made full use of, linear motor pushing force is not being reduced
Under the premise of, so that Normal Force needed for generation system between linear motor stator electric and mover, is not increasing electric current, is not increasing energy
Under the premise of consumption, thrust accordingly be increased, to increase motor service efficiency, energy saving；Magnetic suspension train is come
It says, increased Normal Force can provide positive force for the suspension of vehicle and subtract to reduce the pressure demand of suspension system
Light suspension structure reduces suspension reluctance force；And reduce the current needs in linear motor winding, thus reduce motor and
The purchase cost of controller；The fever for reducing linear motor winding, optimizes whole system, improves system service efficiency,
Energy consumption is reduced, the safety and reliability of vehicle is enhanced.
In an optional example, in the teeth portion of the hollow stator 3, the first groove, the teeth portion magnetic conduction material are offered
Material 4 is placed in first groove；And/or in the yoke portion of the hollow stator 3, offer the second groove, yoke portion magnetic conduction
Material 5 is placed in second groove.
Such as: it slots respectively to the teeth portion and yoke portion of the non-magnetic stator (such as hollow stator 3) in Fig. 1, after fluting, in slot
It is interior to place the lamination (such as teeth portion permeability magnetic material 4, yoke portion permeability magnetic material 5) with the silicon steel sheet of magnetic conduction function.
As a result, by opening up groove in the teeth portion of hollow stator, yoke portion etc., and then it is placed in the permeability magnetic material added
The groove, on the one hand convenient for placing permeability magnetic material, another convenience will not increase the volume of stator, ensure that the reliable fortune of stator
Row.
Optionally, the teeth portion permeability magnetic material 4 is fixedly installed in first groove by the way of interference fit；With/
Or, yoke portion permeability magnetic material 5, is fixedly installed in second groove by the way of interference fit.
Such as: in actual installation use process, above-mentioned permeable section should be fixed in slot, avoid generating vibrating and make an uproar
Sound can be installed using interference fit (hot jacket or cold set).
The permeability magnetic material added is installed on corresponding recesses, the intensity of installation by using the mode of interference fit as a result,
With the available guarantee of reliability.
Optionally, at least one of first groove, described second groove groove is rectangular recess.
Such as: as shown in Figure 1, the shape of slot is the rectangle of rule, there can be chamfering.
Optionally, at least one of first groove, described second groove groove, may include: through slot, and/
Or two parts slot opened up respectively in the direction perpendicular to paper to both ends.
Such as: according to the size of the normal force of required generation, the depth and face of adjustable above-mentioned teeth portion and yoke portion fluting
Product, depth is deeper, and area is bigger, and the Normal Force of generation is also bigger, in practical applications, can also directly open through slot, or
Two parts slot is opened respectively perpendicular to the both ends in the direction of paper, is respectively put into magnetic conduction silicon steel sheet, this depends entirely on required suction
Size.
It, can be by structural adjustment so as to adjust the big of Normal Force as a result, by adjusting depth and width of groove etc.
It is small, with balance system structure, lifting system performance.
Optionally, first groove is set to the teeth portion of the hollow stator 3 close to the mover 1.
Such as: since the permeability magnetic material of teeth portion is closer apart from rotor permanent magnet, stator and mover just produce electromagnetism at this time
Iron effect；Simultaneously as magnetic resistance reduces, the thrust of motor is also enhanced, and the electric current to circulate in machine winding also obtains obviously
It reduces, the efficiency of drive system is significantly improved.
Optionally, the distance between first groove and the mover 1, in set distance range.
Such as:, can be under the premise of proof strength and manufacturability in grooving process shown in Fig. 1, the square of teeth portion
The magnetic conduction silicon steel sheet that shape slot as close to mover, that is, should be put into the slot is closer with a distance from rotor permanent magnet, the normal direction of generation
Suction is also bigger.
As a result, by the way that the permeability magnetic material of teeth portion to be arranged close to mover, it can reduce magnetic resistance, enhance motor thrust, promoted
Electric efficiency.
Optionally, the width of second groove, less than or equal to the width of the stator slot of the hollow stator 3.
Such as: the width of following stator slot is not to be exceeded in the width of the rectangular channel in yoke portion.
Pass through the width and height of the groove in setting yoke portion as a result, it is ensured that yoke portion magnetic conduction reliability and safety.
In an optional example, at least one of the teeth portion permeability magnetic material 4, yoke portion permeability magnetic material 5 magnetic conduction
Material may include:, by setting stacking factor, to be laminated direction by the non-oriented silicon steel sheet of setting thickness with setting and be overrided to form
Magnetic conductive part.
Preferably, the setting thickness is less than or equal to 0.35mm；And/or the setting stacking factor, it is greater than or waits
In 0.975；It is described to laminate direction, it may include: the direction perpendicular to paper；And/or the magnetic conductive part, it may include: cube
The magnetic conductive part of body shape.
Such as: to reduce eddy-current loss, which can be overrided to form for non-oriented silicon steel sheet, and stacking factor is not small
In 0.975.So, although the stator of iron-core-free is non-magnetic, the permeability magnetic material of merging can provide logical circulation road for the magnetic line of force
Diameter significantly reduces magnetic circuit reluctance.
Such as: to avoid in motor operation course, the above-mentioned permeable section of the magnetic force line cutting of permanent magnet is generated biggish
Eddy-current loss, the interior permeability magnetic material placed of slot should be the cube of silicon steel plate stacking, and the direction laminated is the direction of vertical paper,
The coefficient laminated should be greater than 0.975, and the thickness of silicon steel sheet used should not exceed 0.35mm, should have good magnetic property and
Lower loss factor.
As a result, by selecting the permeability magnetic material of setting specification, it can reduce magnetic resistance, enhance electric efficiency.
In an optional example, the permanent magnet of the mover 1, using Halbach permanent array structure.
Such as: rotor permanent magnet uses Halbach permanent array structure, can increase unilateral magnetic field strength.
Permanent magnet by using permanent magnet array structure as mover as a result, magnetic field strength is high, and electric efficiency is high.
Through a large amount of verification experimental verification, using the technical solution of the utility model, by optimizing the stator of linear motor and moving
The structure type of son, can more make full use of the electromagnet effect between stator and mover, not reduce linear motor pushing force premise
Under, so that Normal Force needed for generation system between linear motor stator electric and mover, promotes the safety of magnetic suspension train operation
Property.
Embodiment according to the present utility model additionally provides a kind of magnetic suspension train corresponding to structure of the linear motion actuator.It should
Magnetic suspension train may include: above-described structure of the linear motion actuator.
In the optional embodiment, the embodiment of the utility model, by the stator and mover that optimize linear motor
Structure type can more make full use of the electromagnet effect between stator and mover to make under the premise of not reducing linear motor pushing force
Normal Force needed for generation system between linear motor stator electric and mover is obtained, and can be by structural adjustment so as to adjust method
To the size of suction, with balance system structure.Correspondingly, under the premise of not increasing electric current, not increasing energy consumption, thrust Xiang Yingyou
Increased, to increase motor service efficiency, energy saving.For magnetic suspension train, increased Normal Force can be with
Positive force is provided for the suspension of vehicle, to reduce the pressure demand of suspension system, mitigates suspension structure；And it reduces
Current needs in linear motor winding, to reduce the purchase cost of motor and controller；Reduce linear motor winding
Fever, optimize whole system, improve system service efficiency, enhance the safety and reliability of vehicle.
In an optional example, a kind of novel cylinder type linear motor provided by the utility model can be by adjusting biography
Non-magnet material structure on the stator of system ironless linear motors, so as to adjust the Normal Force of linear motor.
Optionally, on the non-magnet material fixing piece of traditional ironless linear motors stator, in its teeth portion and/or yoke
Portion's design has part permeability magnetic material, by adjusting the volume and quality of permeability magnetic material, so as to adjust Normal Force, so that normal direction is inhaled
Power becomes utilizable suspension positive force, is used, and mitigates the pressure of suspension system, and can increase thrust simultaneously, from
And increase motor service efficiency, energy saving.
Specifically, above-mentioned permeability magnetic material can only increase teeth portion or only increase yoke portion or teeth portion yoke portion increase simultaneously, equally
Normal Force can be adjusted by adjusting permeability magnetic material dosage.That is to say, increasing permeability magnetic material, Normal Force increases；It reduces
Permeability magnetic material, Normal Force reduce.
Optionally, to reduce eddy-current loss, which can be overrided to form for non-oriented silicon steel sheet, and stacking factor is not
Less than 0.975.So, although the stator of iron-core-free is non-magnetic, the permeability magnetic material of merging can provide circulation for the magnetic line of force
Path significantly reduces magnetic circuit reluctance.Wherein, since the permeability magnetic material of teeth portion is closer apart from rotor permanent magnet, at this time stator and
Mover just produces electromagnet effect；Simultaneously as magnetic resistance reduces, the thrust of motor is also enhanced, is circulated in machine winding
Electric current be also substantially reduced, the efficiency of drive system is significantly improved；Moreover, by adjusting permeability magnetic material size with
And its position in stator without iron core is, it can be achieved that be adjusted flexibly the purpose of Normal Force and tangential thrust.
Optionally, rotor permanent magnet uses Halbach permanent array structure, can increase unilateral magnetic field strength.
It, can be with example combining Figure 1 and Figure 2, to the side of the utility model in an optional specific embodiment
The realization process of case carries out specifically exemplary illustration.
Fig. 2 is traditional ironless linear motors structural section figure, and mover (such as mover 1) uses Halbach array forever
Magnet, stationary part are that non-magnet material and coil form.
Fig. 1 is optimized stator schematic diagram, to the teeth portion of the non-magnetic stator (such as hollow stator 3) in Fig. 1 and
Yoke portion slots respectively, and the shape of slot is the rectangle of rule, and after fluting, the lamination with the silicon steel sheet of magnetic conduction function is placed in slot
(such as teeth portion permeability magnetic material 4, yoke portion permeability magnetic material 5).The yoke portion of stator is provided with stator winding 2.
Optionally, can be under the premise of proof strength and manufacturability in above-mentioned grooving process, the rectangular channel of teeth portion is answered
As close to mover, that is, the magnetic conduction silicon steel sheet for being put into the slot is closer with a distance from rotor permanent magnet, the Normal Force of generation
It is bigger.On the other hand, the width of the rectangular channel in yoke portion is not to be exceeded following stator slot and (places leading for stator winding 2 as shown in figure 1
The groove of line) width.
Optionally, after the inside that above-mentioned teeth portion and yoke portion are slotted is put into the permeable section of silicon steel plate stacking, Ke Yi great
The big main magnetic circuit for improving motor stator and mover, reduces magnetic resistance, increases subsidiary electromagnet effect, the smallest on thrust influence
Under the premise of, significantly increase the Normal Force of motor.To avoid in motor operation course, the magnetic force line cutting of permanent magnet is above-mentioned to be led
Magnetic part, generates biggish eddy-current loss, and the permeability magnetic material placed in slot should be the cube of silicon steel plate stacking, the direction laminated
For the direction of vertical paper, the coefficient laminated should be greater than 0.975, and the thickness of silicon steel sheet used should not exceed 0.35mm, should have
There are good magnetic property and lower loss factor.
Optionally, according to the size of the normal force of required generation, the depth of adjustable above-mentioned teeth portion and yoke portion fluting and
Area, depth is deeper, and area is bigger, and the Normal Force of generation is also bigger, in practical applications, can also directly open through slot, or
Two parts slot is opened respectively at the both ends in the direction perpendicular to paper, is respectively put into magnetic conduction silicon steel sheet, this depends entirely on required suction
The size of power.
Optionally, in actual installation use process, above-mentioned permeable section should be fixed in slot, avoids generating vibration
Noise can be installed using interference fit (hot jacket or cold set).
The processing and function realized by the magnetic suspension train of the present embodiment essentially correspond to aforementioned straight line shown in FIG. 1
Embodiment, principle and the example of electric machine structure, therefore not detailed place in the description of the present embodiment, may refer in previous embodiment
Related description, this will not be repeated here.
Through a large amount of verification experimental verification, using the technical solution of the utility model, by adjusting traditional ironless linear motors
Stator on non-magnet material structure, so as to adjust the Normal Force of linear motor, for magnetic suspension train, increased method
Positive force can be provided for the suspension of vehicle to suction, to reduce the pressure demand of suspension system, mitigate suspension structure,
System service efficiency is improved, the safety and reliability of vehicle is enhanced.
To sum up, it will be readily appreciated by those skilled in the art that under the premise of not conflicting, above-mentioned each advantageous manner can be certainly
It combined, be superimposed by ground.
The above description is only the embodiments of the present invention, is not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of the claims of the utility model.
Claims (9)
1. a kind of structure of the linear motion actuator characterized by comprising mover (1) and hollow stator (3), and be arranged in the sky
The stator winding (2) in the yoke portion of heart stator (3)；Wherein,
Teeth portion in the hollow stator (3) is equipped with teeth portion permeability magnetic material (4)；And/or
In the yoke portion of the hollow stator (3), it is equipped with yoke portion permeability magnetic material (5).
2. structure according to claim 1, which is characterized in that it is recessed to offer first for the teeth portion in the hollow stator (3)
Slot, the teeth portion permeability magnetic material (4) are placed in first groove；
And/or
In the yoke portion of the hollow stator (3), the second groove is offered, yoke portion permeability magnetic material (5) is placed in described second
Groove.
3. structure according to claim 2, which is characterized in that the teeth portion permeability magnetic material (4), using the side of interference fit
Formula is fixedly installed in first groove；And/or
Yoke portion permeability magnetic material (5) is fixedly installed in second groove by the way of interference fit.
4. structure according to claim 2 or 3, which is characterized in that wherein,
At least one of first groove, second groove groove is rectangular recess；
And/or
At least one of first groove, second groove groove, comprising: run through slot, and/or perpendicular to paper
Two parts slot that direction opens up respectively to both ends.
5. structure according to claim 2 or 3, which is characterized in that first groove, close to the mover (1), setting
Teeth portion in the hollow stator (3)；
And/or
The distance between first groove and the mover (1), in set distance range.
6. structure according to claim 2 or 3, which is characterized in that the width of second groove is less than or equal to described
The width of the stator slot of hollow stator (3).
7. structure described in one of -3 according to claim 1, which is characterized in that wherein,
At least one of the teeth portion permeability magnetic material (4), yoke portion permeability magnetic material (5) permeability magnetic material, comprising: thick by setting
The non-oriented silicon steel sheet of degree, by setting stacking factor, to set the magnetic conductive part for laminating direction and being overrided to form；
And/or
The permanent magnet of the mover (1), using Halbach permanent array structure.
8. structure according to claim 7, which is characterized in that wherein,
The setting thickness of the non-oriented silicon steel sheet is less than or equal to 0.35mm；And/or
The setting stacking factor is greater than or equal to 0.975；It is described to laminate direction, comprising: perpendicular to the direction of paper；With/
Or,
The magnetic conductive part, comprising: the magnetic conductive part of cubic.
9. a kind of magnetic suspension train characterized by comprising structure of the linear motion actuator a method as claimed in any one of claims 1-8.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821283960.3U CN208707510U (en) | 2018-08-10 | 2018-08-10 | A kind of structure of the linear motion actuator and magnetic suspension train |
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| CN201821283960.3U CN208707510U (en) | 2018-08-10 | 2018-08-10 | A kind of structure of the linear motion actuator and magnetic suspension train |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108768131A (en) * | 2018-08-10 | 2018-11-06 | 北京九州动脉隧道技术有限公司 | A kind of structure of the linear motion actuator and magnetic suspension train |
| WO2020030024A1 (en) * | 2018-08-10 | 2020-02-13 | 北京九州动脉隧道技术有限公司 | Linear motor device and magnetic suspension train |
| CN111327174A (en) * | 2020-03-17 | 2020-06-23 | 中国科学院电工研究所 | Coreless long stator permanent magnet linear synchronous motor |
| CN112297866A (en) * | 2020-10-26 | 2021-02-02 | 同济大学 | Magnetic suspension driving device based on linear double-fed motor and magnetic suspension train system |
-
2018
- 2018-08-10 CN CN201821283960.3U patent/CN208707510U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108768131A (en) * | 2018-08-10 | 2018-11-06 | 北京九州动脉隧道技术有限公司 | A kind of structure of the linear motion actuator and magnetic suspension train |
| WO2020030024A1 (en) * | 2018-08-10 | 2020-02-13 | 北京九州动脉隧道技术有限公司 | Linear motor device and magnetic suspension train |
| CN111327174A (en) * | 2020-03-17 | 2020-06-23 | 中国科学院电工研究所 | Coreless long stator permanent magnet linear synchronous motor |
| CN112297866A (en) * | 2020-10-26 | 2021-02-02 | 同济大学 | Magnetic suspension driving device based on linear double-fed motor and magnetic suspension train system |
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