CN208433815U - A kind of Linear motor device and magnetic suspension train - Google Patents
A kind of Linear motor device and magnetic suspension train Download PDFInfo
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- CN208433815U CN208433815U CN201821283595.6U CN201821283595U CN208433815U CN 208433815 U CN208433815 U CN 208433815U CN 201821283595 U CN201821283595 U CN 201821283595U CN 208433815 U CN208433815 U CN 208433815U
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Abstract
The utility model discloses a kind of Linear motor device and magnetic suspension train, which includes: linear motor rotor (1), stator winding (2) and stator；Wherein, the stator, comprising: the composite construction formed by hollow stator (3) and iron core stator (4)；The hollow stator (3), for providing forward driving force；The iron core stator (4), for providing forward driving force and upward Normal Force.The embodiment of the utility model, can solve that existing cored linear motor Normal Force is excessive to be difficult to adjust and ironless linear motors Normal Force is too small to achieve the effect that promote reliability using the problem for causing reliability low.
Description
Technical field
The utility model belongs to magnetic levitation technology field, and in particular to a kind of Linear motor device 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
Energy consumption, the limitation of 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 the structure for having iron core, 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 core structure, when train is heavier, can give
The problems such as suspension mechanism brings very big pressure, while iron-free core structure will lead to larger current of electric, inefficiency.
Utility model content
First purpose of the utility model is, in view of the foregoing drawbacks, provides a kind of Linear motor device and magnetic suspension column
Vehicle, to solve, existing cored linear motor Normal Force is excessive to be difficult to adjust and ironless linear motors Normal Force is too small
It can not achieve the effect that promote reliability using the problem for causing reliability low.
Second purpose of the utility model is, in view of the foregoing drawbacks, provides a kind of Linear motor device and magnetic suspension column
Vehicle reaches to solve the problems, such as that ironless linear motors low efficiency, electric current are big and energy consumption is high and promotes electric efficiency, reduces electricity
The effect of stream and energy consumption.
The utility model provides a kind of Linear motor device, comprising: linear motor rotor, stator winding and stator；Wherein,
The stator, comprising: the composite construction formed by hollow stator and iron core stator；The hollow stator, it is forward for providing
Driving force；The iron core stator, for providing forward driving force and upward Normal Force.
Optionally, by adjusting accounting of the iron core stator in the composite construction, the normal direction can be adjusted and inhaled
The size of power.
Optionally, in the composite construction: the iron core stator is divided into two parts, iron core stator, position described in two parts
In the two sides of the hollow stator；Alternatively, the hollow stator is divided into two parts, hollow stator described in two parts is located at described
The two sides of iron core stator.
Optionally, the permeability magnetic material of the iron core stator, comprising: using the silicon steel sheet of setting thickness by setting stacking factor
The magnetic conductive part being overrided to form.
Optionally, 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.
Optionally, the hollow stator, comprising: use with setting thermal coefficient and non-magnetic Heat Conduction Material is made
Heat-conducting piece.
Optionally, it between the stator winding, the hollow stator and the iron core stator, is fixedly mounted.
Match with above-mentioned apparatus, the utility model another further aspect provides a kind of magnetic suspension train, comprising: above-described
Linear motor device.
The embodiment of the utility model, by optimization linear motor stator electric and Structure of mover form, so that more taking full advantage of
Electromagnet effect between stator and mover, under the premise of not reducing linear motor pushing force so that linear motor stator electric and mover it
Between Normal Force needed for generation system, motor-driven reliability is promoted, in the premise for not increasing electric current, not increasing energy consumption
Under, thrust accordingly increased, to increase motor service efficiency, energy saving.
Further, the embodiment of the utility model, by adjusting the size of Normal Force, balance system structure, increased method
Positive force can be provided for the suspension of vehicle to suction, mitigate suspension structure；And reduce the electricity in linear motor winding
Stream demand reduces the fever of linear motor winding, improves system service efficiency, enhances the safety of vehicle and reliable
Property.
The embodiment of the utility model as a result, by optimization linear motor stator electric and Structure of mover form, it is fixed more to make full use of
Electromagnet effect between son and mover, so that Normal Force needed for generation system between linear motor stator electric and mover, solves
Existing cored linear motor Normal Force is excessive be difficult to adjust and ironless linear motors Normal Force is too small can not be using leading
The problem for causing reliability low, thus, overcome in the prior art the defect that reliability is low, electric efficiency is low and energy consumption is high, realization can
The beneficial effect high by property, electric efficiency is high 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 linear motor side schematic view of an embodiment of the Linear motor device of the utility model；
Fig. 2 is the two sides core structure linear motor stator electric signal of an embodiment of the Linear motor device of the utility model
Figure；
Fig. 3 is the intermediate core structure linear motor stator electric signal of an embodiment of the Linear motor device of the utility model
Figure.
In conjunction with attached drawing, appended drawing reference is as follows in the utility model embodiment:
1- linear motor rotor；2- stator winding；3- hollow stator；4- iron core stator.
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 Linear motor device.Referring to originally practical shown in Fig. 1 to Fig. 3
The structural schematic diagram of one embodiment of novel Linear motor device.The Linear motor device may include: linear motor rotor
1, stator winding 2 and stator.
Wherein, the stator may include: the composite construction formed by hollow stator 3 and iron core stator 4.It is described hollow
Stator 3 may be used to provide forward driving force.The iron core stator 4 may be used to provide forward driving force and upward
Normal Force.
Such as: it is formed electromagnet effect between the stationary part and mover of both ends magnetic conduction, can be generated simultaneously larger
Thrust and Normal Force, intermediate non-magnetic part only generates thrust, by adjusting the thickness of two sides permeable section, so that it may adjust
Required normal force size.The design scheme can effectively shorten the lamination thickness of motor, reduce winding effective length and copper consumption,
The usage amount of magnet steel reduces also with the reduction for laminating thickness simultaneously, so that total effective material utilization amount substantially reduces.
Straight line is optimized as stator by using the composite construction formed by hollow stator 3 and iron core stator 4 as a result,
Motor stator and Structure of mover form are not reducing straight line so that more taking full advantage of the electromagnet effect between stator and mover
Under the premise of motor thrust, so that Normal Force needed for generation system between linear motor stator electric and mover is not increasing correspondingly
Under the premise of adding electric current, not increasing energy consumption, thrust accordingly be increased, to increase motor service efficiency, energy saving；It is right
For magnetic suspension train, increased Normal Force can provide positive force for the suspension of vehicle, to reduce suspension system
The pressure demand of system mitigates suspension structure；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,
Enhance the safety and reliability of vehicle.
Optionally, by adjusting accounting of the iron core stator 4 in the composite construction, the normal direction can be adjusted and inhaled
The size of power.
Such as: it can have the function that adjust Normal Force by adjusting the accounting of cored linear motor.
As a result, by size of the structural adjustment so as to adjust Normal Force, balance system structure promotes motor performance.
Optionally, in the composite construction: the iron core stator 4 divides for two parts, iron core stator 4 described in two parts,
Positioned at the two sides of the hollow stator 3；Alternatively, the hollow stator 3 divides for two parts, hollow stator 3 described in two parts is located at
The two sides of the iron core stator core stator 4.
Such as: cored structure can be located at motor two sides or centre or any position.It can be located at if any core structure
Motor two sides or centre or any position.
Such as: by adjusting motor stator, it is changed to cored and iron-core-free composite construction, Fig. 2 and Fig. 3 are respectively two kinds
Composite construction, the fixed permeability magnetic material of coil are located at the two sides or centre of coil fixing support, form cored linear motor knot
Structure provides forward driving force and upward Normal Force；The fixed non-magnet material of coil is located at intermediate or two sides, only mentions
The Normal Force of linear motor is adjusted for forward driving force by adjusting the accounting of permeability magnetic material.
As a result, by adjusting the distribution mode of iron core stator and hollow stator in composite construction, it can satisfy a variety of applications
Demand, flexibility is good, high reliablity.
Optionally, the permeability magnetic material of the iron core stator 4 may include: folded by setting using the silicon steel sheet of setting thickness
The magnetic conductive part that pressure coefficient is overrided to form.
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.
Such as: permeability magnetic material part should use the silicon steel plate stacking no more than 0.35mm thickness to form, and stacking factor is not answered
Less than 0.975, with this come the eddy-current loss that is generated when reducing operation.
Cored stator winding fixed part is permeability magnetic material, preferably silicon steel sheet as a result, can reduce eddy-current loss.
Optionally, the hollow stator 3 may include: using with setting thermal coefficient and non-magnetic Heat Conduction Material
Manufactured heat-conducting piece.
Such as: stator without iron core winding fixed part is non-magnet material.
Such as: intermediate non-magnetic part 1 uses the preferable material of heating conduction as far as possible.
As a result, by using Heat Conduction Material, heating conduction can be promoted, promotes the reliability and safety of motor operation.
Optionally, it between the stator winding 2, the hollow stator 3 and the iron core stator 4, is fixedly mounted.
Such as: in actual installation use process, above-mentioned three parts stator should be fixed, avoid generating vibration noise.
As a result, by being fixedly mounted, it can reduce or even avoid noise, promote the usage experience of user.
Optimization linear motor stator electric and mover are passed through using the technical solution of the utility model through a large amount of verification experimental verification
Structure type, so that the electromagnet effect between stator and mover is more taken full advantage of, under the premise of not reducing linear motor pushing force,
So that Normal Force needed for generation system between linear motor stator electric and mover, promotes motor-driven reliability, do not increasing
Under the premise of adding electric current, not increasing energy consumption, thrust accordingly be increased, to increase motor service efficiency, energy saving.
Embodiment according to the present utility model additionally provides a kind of magnetic suspension train corresponding to Linear motor device.It should
Magnetic suspension train may include: above-described Linear motor device.
In an optional embodiment, the embodiment of the utility model passes through optimization linear motor stator electric and Structure of mover
Form, so that the electromagnet effect between stator and mover is more taken full advantage of, under the premise of not reducing linear motor pushing force, so that
Normal Force needed for generation system between linear motor stator electric and mover, and can be by structural adjustment so as to adjust normal direction
The size of suction, balance system structure.Correspondingly, under the premise of not increasing electric current, not increasing energy consumption, thrust is accordingly increased
Add, to increase motor service efficiency, energy saving.For magnetic suspension train, increased Normal Force can be for
The suspension of vehicle provides positive force, to reduce the pressure demand of suspension system, mitigates suspension structure；And reduce straight line
Current needs in machine winding, to reduce the purchase cost of motor and controller；Reduce the hair of linear motor winding
Heat optimizes whole system, improves system service efficiency, enhances the safety and reliability of vehicle.
In an optional example, a kind of adjustable new-type linear motor of normal force provided by the utility model be can wrap
It includes: ironless linear motors and cored linear motor composite construction.
It is alternatively possible to which the accounting by adjusting cored linear motor has the function that adjust Normal Force.
Optionally, cored structure can be located at motor two sides or centre or any position.
Optionally, stator without iron core winding fixed part is non-magnet material, and cored stator winding fixed part is to lead
Magnetic material, preferably silicon steel sheet, can reduce eddy-current loss.
So, it is formed electromagnet effect between the stationary part and mover of both ends magnetic conduction, can generated simultaneously
Biggish thrust and Normal Force, intermediate non-magnetic part only generates thrust, by adjusting the thickness of two sides permeable section, so that it may
Normal force size needed for adjustment.The design scheme can effectively shorten the lamination thickness of motor, reduce winding effective length and use
Amount of copper, while the usage amount of magnet steel reduces also with the reduction for laminating thickness, so that total effective material utilization amount substantially reduces.
In an optional specific example, Fig. 1 may refer to example shown in Fig. 3, to the embodiment of the utility model
Specific implementation process illustrates.
Fig. 1 is structure of the linear motion actuator (i.e. Linear motor device), may include: that mover, coil windings and coil are fixed
Frame, conventional stator winding fixed frame are full permeability magnetic material, referred to as cored linear motor, when electrical-coil fixed frame is non-magnetic
When material, referred to as ironless linear motors.
The utility model is changed to cored and iron-core-free composite construction, Fig. 2 and Fig. 3 difference by adjusting motor stator
For two kinds of composite constructions, the fixed permeability magnetic material of coil is located at the two sides or centre of coil fixing support, forms cored straight line
Electric machine structure provides forward driving force and upward Normal Force；The fixed non-magnet material of coil is located at centre or two
Side only provides forward driving force, by adjusting the accounting of permeability magnetic material, adjusts the Normal Force of linear motor.
Optionally, permeability magnetic material part should use the silicon steel plate stacking no more than 0.35mm thickness to form, and stacking factor is not
It should be less than 0.975, with this come the eddy-current loss that generates when reducing operation.
In actual installation use process, said stator should be fixed, avoid generating vibration noise.
The processing and function realized by the magnetic suspension train of the present embodiment essentially correspond to earlier figures 1 to shown in Fig. 3
Linear motor device embodiment, principle and example, therefore not detailed place in the description of the present embodiment may refer to aforementioned reality
The related description in example is applied, this will not be repeated here.
Through a large amount of verification experimental verification, using the technical solution of the utility model, by adjusting the size of Normal Force, balance
System structure, increased Normal Force can provide positive force for the suspension of vehicle, mitigate suspension structure；And it reduces straight
Current needs in line machine winding reduce the fever of linear motor winding, improve system service efficiency, enhance vehicle
Safety and reliability.
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 (8)
1. a kind of Linear motor device characterized by comprising linear motor rotor (1), stator winding (2) and stator；Its
In,
The stator, comprising: the composite construction formed by hollow stator (3) and iron core stator (4)；
The hollow stator (3), for providing forward driving force；
The iron core stator (4), for providing forward driving force and upward Normal Force.
2. the apparatus according to claim 1, which is characterized in that by adjusting the iron core stator (4) in the composite junction
Accounting in structure can adjust the size of the Normal Force.
3. device according to claim 1 or 2, which is characterized in that in the composite construction:
The iron core stator (4) is divided into two parts, iron core stator (4) described in two parts, is located at the two of the hollow stator (3)
Side；Alternatively,
The hollow stator (3) is divided into two parts, and hollow stator described in two parts (3) is located at the two of the iron core stator (4)
Side.
4. device according to claim 1 or 2, which is characterized in that the permeability magnetic material of the iron core stator (4), comprising: adopt
The magnetic conductive part being overrided to form with the silicon steel sheet of setting thickness by setting stacking factor.
5. device according to claim 4, which is characterized in that the setting thickness is less than or equal to 0.35mm；And/or
The setting stacking factor is greater than or equal to 0.975.
6. device according to claim 1 or 2, which is characterized in that the hollow stator (3), comprising: set using having
Heat-conducting piece made of thermal coefficient and non-magnetic Heat Conduction Material.
7. device according to claim 1 or 2, which is characterized in that the stator winding (2), the hollow stator (3) and
Between the iron core stator (4), it is fixedly mounted.
8. a kind of magnetic suspension train characterized by comprising Linear motor device as claimed in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821283595.6U CN208433815U (en) | 2018-08-10 | 2018-08-10 | A kind of Linear motor device and magnetic suspension train |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821283595.6U CN208433815U (en) | 2018-08-10 | 2018-08-10 | A kind of Linear motor device and magnetic suspension train |
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| Publication Number | Publication Date |
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| CN208433815U true CN208433815U (en) | 2019-01-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108736592A (en) * | 2018-08-10 | 2018-11-02 | 北京九州动脉隧道技术有限公司 | A kind of Linear motor device and magnetic suspension train |
-
2018
- 2018-08-10 CN CN201821283595.6U patent/CN208433815U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108736592A (en) * | 2018-08-10 | 2018-11-02 | 北京九州动脉隧道技术有限公司 | A kind of Linear motor device 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 |
| CN108736592B (en) * | 2018-08-10 | 2023-12-26 | 北京九州动脉隧道技术有限公司 | Linear motor device and magnetic suspension train |
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