CN107359774A - Collect magnetic control to linear electric motors - Google Patents
Collect magnetic control to linear electric motors Download PDFInfo
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- CN107359774A CN107359774A CN201710602703.5A CN201710602703A CN107359774A CN 107359774 A CN107359774 A CN 107359774A CN 201710602703 A CN201710602703 A CN 201710602703A CN 107359774 A CN107359774 A CN 107359774A
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- magnetic
- magnetic tube
- iron core
- electric motors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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Abstract
The invention discloses one kind collection magnetic control to linear electric motors, including magnetic tube, iron core, coil, controlling switch and external power source, described magnetic tube is stator or mover, and described iron core is mover or stator；Described magnetic tube is made up of permanent magnet, the N poles of the permanent magnet for forming magnetic tube or S extremely all towards the inside of magnetic tube and form homopolarity in pipe and can be in the layer structure described in the integrated backing field in opposite direction from inside to outside in the both ends of magnetic tube by the magnetic tube that permanent magnet is formed in terraced fields shape, and the magnetic tube of layered structure is at least formed by stacking by two layers of permanent magnet and preceding layer is shorter than later layer；The stroke of the mover is decided by the superposition number of plies and overlaying structure of magnetic tube.The innovation of the present invention is the terraced fields shape layer structure of magnetic tube, the utilization of the layer structure can make collection magnetic control be assigned to the more preferable stroke of linear electric motors and thrust and acceleration to technology, make collection magnetic control to linear electric motors more advance, economy, practicality and the marketization.
Description
Technical field
The present invention relates to a kind of linear electric motors, are related specifically to a kind of collection magnetic control to linear electric motors.
Background technology
It is well known that linear electric motors are one kind is directly changed into linear motion mechanical energy by electric energy, in any
Between switching mechanism transmission device.Up to the present, existing linear electric motors are not outer can regard an electric rotating machine as by radially
Split and transform into plane and form.
One linear electric motors application system of Drive Control Technique of existing linear electric motors will not only have straight line of good performance
Motor, it is necessary to which technology and the control system of economic requirement can be realized under conditions of safe and reliable by having.With automatically controlling
The development of technology and micro-computer technology, the control method of linear electric motors are more and more.Research to linear electric motors control technology
Three aspects can be substantially divided into：When Traditional control technology, second, modern control technology, third, intelligent control technology.Pass
The control technology of system such as PID/feedback control, uneoupled control are widely used in AC servo.Wherein PID
The information in dynamic control process is contained in control, has stronger robustness, is most basic in AC servo machinery driving system
Control mode.In order to improve control effect, often using uneoupled control and vector control technology.Determined, no in object model
Change and be linear and operating condition, running environment be to determine it is constant under conditions of, be simple using Traditional control technology
Effectively.But in the high performance applications of high-precision Fine Feed, it just must take into consideration the change of object structure and parameter.It is various non-thread
The influence of property, the time-varying such as the change of running environment and environmental disturbances and uncertain factor, can just obtain satisfied control effect.Cause
This, modern control technology causes very big attention in the research that linear servo-actuator controls.Conventional control method has：It is adaptive
Should control, Sliding mode variable structure control, robust control and intelligent control.Mainly fuzzy logic, neutral net and PID, H ∞ are controlled
The existing ripe control methods such as system are combined, and are learnt from other's strong points to offset one's weaknesses, to obtain more preferable control performance.
Existing linear electric motors not only show high-tech from Traditional control technology to modern control technology or even intelligent control technology
Skill content more and more higher, but R＆D costs and production cost more and more higher are also resulted in simultaneously.Although stepping into the intelligent epoch, more
Carry out more complicated control technology, not only add some " fragility " property of product to a certain extent, and and be helpless to motor
Efficiency significantly improves.Complicated control technology is not only to be used for steering --- and force motor to move along a straight line, but also be
For excacation efficiency.Because existing linear electric motors come from electric rotating machine, therefore, the steering as caused by " flattening " structure
Process must need to be related to reverse flow technique or electronic control technology [because the operating fields (permanent magnetism) involved by existing linear electric motors belong to
In different magnetic magnetic field --- N poles are alternately arranged with S poles], and the energy loss of the process is often obvious.
Above-mentioned control technology can make " mover " of existing linear electric motors to realize long-range motion, such as magnetic-levitation train.But
In practical application, in addition to magnetic-levitation train etc., linear electric motors are substantially the (electricity of " short distance " in the extensive use of every field
Machine stroke is between several meters to several millimeters).Obviously, the angle (simple in construction, cost is cheap, energy-efficient) needed from market goes out
Hair, is necessary to carry out the technological innovation and exploitation of such " short distance " linear electric motors completely, meets " made in China " so as to establish
Huge new industry chain.
The content of the invention
It is an object of the invention to be to propose a kind of collection magnetic control to linear electric motors, to realize above-mentioned purpose：
One kind collects magnetic control to linear electric motors, including magnetic tube, iron core, coil, controlling switch and external power source, described magnetic tube
For stator or mover, described iron core is mover or stator；The iron core is rod iron core；Wound on described iron core wired
Circle, coil are electrically connected with controlling switch, and external power source is electrically connected with described controlling switch；Described magnetic tube is by permanent magnetism
Body is formed, and the N poles of the permanent magnet for forming magnetic tube or S extremely all towards the inside of magnetic tube and form homopolarity in pipe and can be in magnetic
The integrated backing field in opposite direction from inside to outside in the both ends of pipe；Described iron core is arranged in magnetic tube；It is described by permanent magnet structure
Into magnetic tube be in terraced fields shape layer structure, the magnetic tube of layered structure is at least formed by stacking and outer one layer by two layers of permanent magnet
It is shorter than inner one layer；The stroke of the mover is decided by the superposition number of plies and overlaying structure of magnetic tube.
The innovation of the present invention is the terraced fields shape layer structure of magnetic tube, the utilization of the layer structure can make collection magnetic control to
Technology is assigned to the more preferable stroke of linear electric motors and thrust and acceleration, makes collection magnetic control to linear electric motors more advance, warp
Ji property, practicality and the marketization；If not using layer structure, with equal production material compared with production cost, individual layer knot
The stroke and thrust of the linear electric motors of magnetic field intensity in structure magnetic tube can only be confined to the scope of very little with acceleration, to obtain
Preferable stroke and thrust and acceleration, magnetic tube needs to be made quite big with iron core, and is of limited application；Using terraced fields shape layer
The permanent magnet of shape structure caused magnetic field intensity of each position in magnetic tube can gradually strengthen from center to both ends, such iron core
The magnetic field force (thrust) being subject in motion so will not cause iron core to have certain acceleration, while also increase iron
The stroke of core.
Further, the permanent magnet that described magnetic tube is combined by monoblock type or polylith is formed, can also by sweep across make and
Into.
Further, the cross section of described magnetic tube is polygon, and described cross section can be square, rhombus.
Further, the magnetic tube being made up of permanent magnet using NdFeB material or Ferrite Material or glue magnetic material or its
Its magnetic material makes；The material of making can be thicker magnetic material or slim magnetic material or ultrathin magnetic material or hard
Matter magnetic material or soft magnetic material；Making material can select according to specific use environment.
Further, the length that described iron core is exposed in initial position outside magnetic tube accounts for the 0%~20% of total core length,
The optimum length that iron core exposes the part outside magnetic tube accounts for the 10% of total length, and at this moment iron core has 10% length and is exposed at magnetic tube
Outside, iron core will be acted on by magnetic field force and have stable thrust and acceleration at once when energized.
The length span of described iron core is the 1/2-3/2 of magnetic tube length；When magnetic tube is longer, the length of iron core takes
It is worth the 1/2-2/3 that scope is magnetic tube length, at this moment magnetic tube is stator, and iron core there will be certain stroke in magnetic tube；Work as magnetic
When pipe is shorter, the length span of iron core is the 1/2-3/2 of magnetic tube length, and at this moment magnetic tube is just mover, and magnetic tube is in iron core
Effect is lower to do work.
Further, the iron core uses hollow club shaped structure；In actual use, hollow iron core can be square
Or circular.
Further, described controlling switch is reversing switch or direction selecting controller；The coil is connected by controlling switch
External power source and realize mover (straight line) move back and forth；Reversing switch or direction selecting controller of the present invention are dynamic to can be achieved
Son makees the standard machinery reversing switch or ordinary electronic reversing switch of straight reciprocating motion.
Further, described coil is superconducting coil, and Conventional coil can also be used in order to save use cost superconducting coil
Instead of.
Further, described external power source uses variable-frequency power sources or the pulse power, can also be adopted in actual production process
With dc source or AC power.
The present invention has remarkable advantage and good effect as described below：
1. having surmounted Traditional control technology, modern control technology, the category of intelligent control technology, substituted with the creation of low cost high
The intelligence of cost is made, and product structure becomes simpler, production cost becomes cheaper, and Market Orientation greatly improves, and is adapted to
Big or middle, small enterprise's production and exploitation；
2. can not only save complexity, existing, conventional control device, but also the stroke of mover can be considerably increased simultaneously
Improve thrust and acceleration；
3. by a switching electric process can realize mover once unidirectional " seamless " linear motion (same stroke, it is existing
Linear electric motors need to " joint filling " be completed in the form of " calculus " by many times switching electricity or commutation process), control is simpler, section
Electricity is more notable, and delivery efficiency is higher；
4. it is more suitable for high and low temperature and high and low pressure or/and a variety of working environments, the operations such as humidity difference is big more may be used
By (close to absolutely security control and sure effect, needing ejection or moment to accelerate the Special use of boosting for some
It is vital for occasion), service life is longer, and Maintenance and Repair are simpler；
5. using the magnetic tube of terraced fields shape layer structure the cost performance of collection magnetic control to linear electric motors can be made higher, row is not only increased
Journey, thrust and acceleration are also improved, make overall structure smaller, weight is lighter, while has saved production cost, more " long-range "
Change, high speed, high efficiency, miniaturization, practical and market-oriented characteristic；
6. application field is extensive, development ability is superpower；In addition to common purposes, (it can be contained in air conditioner with development and application
The refrigeration plants such as the car air-conditioner of New-energy electric vehicle), air compressor machine (including water pump), robot, relay (relay containing high speed
Device), magnetic valve (containing high-speed electromagnetic valve), vehicle, naval vessel, lathe (including auto parts and components machining tool, rapid prototyping machine and half
Conductor manufacturing machine and electrical process machine, water cutting machine, CUT), compressor etc., it is comprehensive to be related to civilian, army
With, space flight, navigation, heavy industry, machinery, power, life, toy, agricultural irrigation, automatically control, fluidics, Medical Devices, anti-
Steal each technical fields such as equipment (including electronic lock), energy-saving and emission-reduction；
7. can be used in new-energy automotive air-conditioning technical field, the installation that can save new energy motor air-conditioning is empty
Between, the load capacity of automobile is also mitigated, but also the operating efficiency of air-conditioning is greatly improved, save the energy；Solve long-term tired
The power consumption problem and car air-conditioner for disturbing new-energy automobile car air-conditioner suppress the technical barriers such as vehicle travel；Meet country " 13
The development strategy of new-energy automobile, wide market, competitiveness brilliance are favoured during five ".
Brief description of the drawings
Fig. 1 is the structural representation before present invention collection magnetic control is powered to the embodiment one of linear electric motors；
Fig. 2 is the structural representation after present invention collection magnetic control is powered to the embodiment one of linear electric motors；
Fig. 3 is the structural representation before present invention collection magnetic control is powered to the embodiment two of linear electric motors；
Fig. 4 is the structural representation after present invention collection magnetic control is powered to the embodiment two of linear electric motors.
Specific embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail：
Embodiment one
Collection magnetic control in as shown in Figure 1 is to linear electric motors, including magnetic tube 1, iron core 2, coil 3, controlling switch 4 and external electrical
Source 5, described magnetic tube 1 are mover, and iron core 2 is stator；Described magnetic tube 1 is made up of permanent magnet, is wound on the iron core 2 wired
Circle 3, described coil 3 is electrically connected with controlling switch 4, and external power source 5 is connected with controlling switch 4.The composition magnetic tube 1
The N of permanent magnet extremely all towards the inside of magnetic tube 1 and forms in pipe homopolarity and can be in the integrated direction from inside to outside in the both ends of magnetic tube 1
Opposite backing field, the S of the permanent magnet for forming magnetic tube 1 extremely all towards the outside of magnetic tube 1 and form homopolarity outside pipe；Institute
State among the iron core 2 with certain length is placed in magnetic tube 1 with appropriate size, magnetic tube 1 can be done relative to iron core 2 after energization
Linear motion.
The length of iron core 2 described in embodiments of the invention one is equal to the length of magnetic tube 1, is 50mm；Described magnetic
Pipe 1 is made up of the stereochemical structure that cross section is rhombus four pieces of 50mm × 50mm × 5mm ferrite permanent magnet；The inside of magnetic tube 1
The rhombus length of side is 45mm × 45mm.
The rod iron core 2 uses hollow rod-shape silicon steel core, length 50mm, external diameter 22mm, internal diameter 5mm；Institute
The iron core 2 stated is fixedly mounted, and magnetic tube 1 is slidably mounted on outside slide rail, effective rectilinear path (unidirectional) of the magnetic tube 1 on slide rail
For 40mm or so.The coil 3 is superconducting coil, and the line footpath used is 0.41mm.
The external power source 5 uses variable-frequency power sources；The controlling switch 4 uses reversing switch.
In implementation process, magnetic tube 1 is slidably mounted on the slide bar with certain length (track), slide bar and iron core 2
It is securable in support or casing or frame.Magnetic tube 1 both can directly external thrust output, also can " docking " one section of alloy bar or conjunction
Gold pipe and the output end of " lengthening " magnetic tube 1 with the output of sharp thrust.Coil 3 inputs/and the connection method of outlet can use existing skill
Art.
In embodiments, collect magnetic control to linear electric motors be in holding state when, magnetic tube 1 and iron core 2 are in shown in Fig. 1
Position.Positive be powered of coil 3 causes N and S caused by iron core 2 extremely as shown in Figure 1；When coil 3 is positive logical by controlling switch 4
When electric, magnetic tube 1 movement and forward thrust output rapidly on slide bar by magnetic field force, as shown in Figure 2；When coil 3 passes through control
When switch 4 is reversely powered, magnetic tube 1 then reversely slides back to original position, as shown in Figure 1；So constantly circulation, magnetic tube 1 can not
Linear motion and thrust output back and forth are done disconnectedly.Bidirectional output pattern can be designed to as needed in actual use.The present invention
Why Traditional control, modern scientist, intelligent control can be realized, crux is to use collection magnetic control to technology.
Embodiment two
Collection magnetic control has broken routine to technology, not only can be big by permanent magnet with polar set and the tubular magnetic field formed
Amplitude improves the magnetic field intensity in ensemble space, and may further result in caused magnetic circuit in ensemble space to move towards both ends converse
Magnetic field (being N poles, as shown in Fig. 3, Fig. 4).When coil 3 is powered, iron core 2 is in distinguished caused by a magnetic tube 1
During reverse homopolar field, N poles caused by iron core 2 and S poles promote stress simultaneously and to same direction；When coil 3 changes
During the sense of current of input, the then reverse propulsion of iron core 2.
Collection magnetic control in as shown in Figure 3 is to linear electric motors, including magnetic tube 1, iron core 2, coil 3, controlling switch 4 and external electrical
Source 5, described magnetic tube 1 are stator, and iron core 2 is mover；Coil 3 is wound with the iron core 2, described coil 3 is opened with control
Close 4 to be electrically connected with, external power source 5 is connected with controlling switch 4.Described magnetic tube 1 by multiple-layer stacked monoblock type permanent magnet
Form, the N of the permanent magnet of described composition magnetic tube 1 extremely all towards the inside of magnetic tube 1 and forms homopolarity in pipe and can be in magnetic tube 1
The integrated backing field in opposite direction from inside to outside in both ends, form magnetic tube 1 permanent magnet S extremely all towards magnetic tube 1 outside
Portion simultaneously forms the outer homopolarity of pipe.It is described by set of permanent magnets into magnetic tube 1 be layer structure, the magnetic tube 1 of layer structure is by four layers of permanent magnetism
Body is formed by stacking and one layer of ratio is one layer short from the inside to surface, overall in terraced fields shape and symmetrical with horizontal center line；Every layer of permanent magnet
N extremely all towards the inside of magnetic tube 1, S extremely all towards the outside of magnetic tube 1.Iron core 2 is arranged on magnetic tube with appropriate size
Within 1.Prove that the mover stroke is decided by the superposition number of plies and overlaying structure of stratiform magnetic tube 1 in experimentation.
Described magnetic tube 1 is followed successively by first layer magnetic tube 11, second layer magnetic tube 12, third layer magnetic tube 13 and the 4th from inside to outside
Layer magnetic tube 14；Described first layer magnetic tube 11 is made up of four block length 200mm × wide 50mm × thick 5mm Nd-Fe-B permanent magnet；Magnetic
The internal diameter (bore) of pipe 1 is 45mm × 45mm；Described second layer magnetic tube 12 is by four block length 150mm × wide 60mm × thick 5mm's
Nd-Fe-B permanent magnet is formed；Described third layer magnetic tube 13 by four block length 100mm × wide 70mm × thick 5mm Nd-Fe-B permanent magnet
Form；The 4th layer of described magnetic tube 14 (outer layer) is made up of four block length 50mm × wide 80mm × thick 5mm Nd-Fe-B permanent magnet, such as
Shown in Fig. 3.
The iron core 2 is using the silicon steel core of hollow rod-shape, length 120mm, external diameter 22mm, internal diameter 5mm；It is described
Coil 3 uses line footpath to be surround for 0.41mm enamel-covered wire and formed；The external power source 5 uses the pulse power；The controlling switch 4
Using direction selecting controller.
Collection magnetic control to linear electric motors be in holding state when, iron core 2 is in the position shown in Fig. 3.Positive be powered of coil 3 is led
Cause N poles and S caused by iron core 2 extremely as shown in Figure 3.When coil 3 is powered by the way that controlling switch 4 is positive, iron core 2 moves rapidly
To the position shown in Fig. 4；When coil 3 is reversely powered by controlling switch 4, iron core 2 is just moved back to rapidly from the position shown in Fig. 4
Position shown in Fig. 3.So constantly circulation, iron core 2 can constantly do linear motion and thrust output back and forth.
It is emphasized that if the length of the second layer magnetic tube 12 of superposition, third layer magnetic tube 13 and the 4th layer of magnetic tube 14 is equal
Consistent with the length of first layer magnetic tube 11 is 200mm, although then the field strength at the both ends of magnetic tube 1 obtains greatly reinforcement, iron core 2
Effective rectilinear path (unidirectional) be not significantly improved, be substantially also retained in it is original numerically, it can be seen that, only
It is unworkable only to thicken magnetic tube 1.
In implementation process, iron core 2 can be slidably mounted on the slide bar with certain length (in figure not by hollow structure
Draw) on, iron core 2 is 100mm in the effective travel of slide bar, and the length for the part that iron core 2 is exposed at outside magnetic tube 1 is when mounted
12mm；Magnetic tube 1 and slide bar are securable to support or casing or frame., can be by increasing alloy bar in 2 external thrust output of iron core
Or the output end of compo pipe " lengthening " iron core 3 is with the output of sharp thrust.Coil 3 inputs/connection method of outlet can use it is existing
Technology.When coil 3 is powered by the way that controlling switch 4 is positive, iron core 2 is moved rapidly on slide bar by magnetic field force and exported forward
Thrust, as shown in Figure 4；When coil 3 is reversely powered by controlling switch 4, iron core 2 then reversely slides back to original position, such as Fig. 3
It is shown；So constantly circulation, iron core 2 can constantly do linear motion and thrust output back and forth；The thrust that iron core 2 exports can be straight
Connect and act on piston, the use of crank structure will be reduced compared with existing electric rotating machine, avoid the energy of centre
Consumption.
As fully visible, during the entire process of thrust output, the control of input current is very pure --- only it is embodied in
Between the through and off of circuit.In other words, one begin " logical ", it is enough for the simple motion of only " disconnected ".In other words, " logical " is being begun ---
Only in " disconnected " this section of stroke, input current is " permanent steady ".The operating current how it feels of " permanent steady "Mean to have realized row
Traditional control, modern scientist, intelligent control are gone in process control.In short, technical sophistication is gone.
Why the present invention can realize the technical goals such as stroke, thrust and acceleration energy-efficient and that improve mover,
Crux is using collection magnetic (terraced fields shape) lamination techniques.
It is noted that in addition to known and above-mentioned application, the present invention can also further develop super giant
(including extended type) and superminiature linear electric motors.
It should be noted that the above-mentioned case parameter being related to is only used for stating the reality of embodiment, not representative products
Data.In addition, above-described embodiment is only statement embodiments of the present invention, the practical range of the present invention is not limited with this, therefore
All equivalence changes made according to the shape of the present invention, construction and principle, are covered by within protection scope of the present invention.
Claims (10)
1. collect magnetic control to linear electric motors, including magnetic tube (1), iron core (2), coil (3), controlling switch (4) and external power source (5),
Described magnetic tube (1) is stator or mover, and described iron core (2) is mover or stator；The iron core (2) is rod iron core；Institute
Coil (3) is wound with the iron core (2) stated, coil (3) is electrically connected with controlling switch (4), electricity in described controlling switch (4)
Property is connected with external power source (5)；The magnetic tube (1) is made up of permanent magnet, the N poles or S poles of the permanent magnet for forming magnetic tube (1)
All towards the inside of magnetic tube (1) and form in pipe homopolarity and can be integrated in opposite direction from inside to outside at the both ends of magnetic tube (1)
Backing field；Described iron core (2) is arranged in magnetic tube (1)；
Characterized in that, the magnetic tube (1) being made up of permanent magnet is in the layer structure of terraced fields shape, the magnetic tube of layered structure
(1) at least it is formed by stacking by two layers of permanent magnet and one layer short in outer one layer of ratio；The stroke of the mover is decided by the folded of magnetic tube (1)
Add the number of plies and overlaying structure.
2. collection magnetic control according to claim 1 is to linear electric motors, it is characterised in that described magnetic tube (1) by monoblock type or
The permanent magnet of polylith combination is formed.
3. the magnetic control according to claim 2 that collects is to linear electric motors, it is characterised in that the cross section of described magnetic tube (1) is
Polygon.
4. the magnetic control according to claim 3 that collects is to linear electric motors, it is characterised in that the magnetic tube being made up of permanent magnet
(1) made using NdFeB material or Ferrite Material or glue magnetic material or other magnetic materials.
5. according to any described collection magnetic control in Claims 1 to 4 to linear electric motors, it is characterised in that described iron core (2) exists
Iron core (2) length of magnetic tube (1) outside is exposed at during initial position and accounts for the 0%~20% of iron core (2) total length.
6. according to any described collection magnetic control in claim 5 to linear electric motors, it is characterised in that the length of described iron core (2)
Degree span is the 1/2-3/2 of magnetic tube (1) length.
7. according to any described collection magnetic control in claim 6 to linear electric motors, it is characterised in that during the iron core (2) uses
Empty club shaped structure.
8. the magnetic control according to claim 7 that collects is to linear electric motors, it is characterised in that described controlling switch (4) is commutation
Switch or direction selecting controller；The coil (3) connects external power source (5) to realize that the straight line of mover is past by controlling switch (4)
Multiple motion.
9. the magnetic control according to claim 8 that collects is to linear electric motors, it is characterised in that described coil (3) is superconducting coil.
10. according to any described collection magnetic control in claim 7-9 to linear electric motors, it is characterised in that described external power source
(5) variable-frequency power sources or the pulse power are used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710602703.5A CN107359774A (en) | 2017-07-21 | 2017-07-21 | Collect magnetic control to linear electric motors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710602703.5A CN107359774A (en) | 2017-07-21 | 2017-07-21 | Collect magnetic control to linear electric motors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107359774A true CN107359774A (en) | 2017-11-17 |
Family
ID=60285390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710602703.5A Pending CN107359774A (en) | 2017-07-21 | 2017-07-21 | Collect magnetic control to linear electric motors |
Country Status (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112922990A (en) * | 2021-01-19 | 2021-06-08 | 上海隐冠半导体技术有限公司 | Magnetic spring device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949352A (en) * | 2010-08-30 | 2011-01-19 | 南京航空航天大学 | Impact type vibration generator |
| CN103915925A (en) * | 2014-04-10 | 2014-07-09 | 西北工业大学 | Rotor structure for permanent magnet synchronous motor with step-shaped permanent magnets |
| CN106505820A (en) * | 2016-12-04 | 2017-03-15 | 李扬远 | The cooling energy-efficient collection magnetic control of one kind compression is to linear electric motors |
-
2017
- 2017-07-21 CN CN201710602703.5A patent/CN107359774A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949352A (en) * | 2010-08-30 | 2011-01-19 | 南京航空航天大学 | Impact type vibration generator |
| CN103915925A (en) * | 2014-04-10 | 2014-07-09 | 西北工业大学 | Rotor structure for permanent magnet synchronous motor with step-shaped permanent magnets |
| CN106505820A (en) * | 2016-12-04 | 2017-03-15 | 李扬远 | The cooling energy-efficient collection magnetic control of one kind compression is to linear electric motors |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112922990A (en) * | 2021-01-19 | 2021-06-08 | 上海隐冠半导体技术有限公司 | Magnetic spring device |
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Application publication date: 20171117 |