CN105605969B - Highspeed spiral type electromagnetic launch system - Google Patents

Highspeed spiral type electromagnetic launch system Download PDF

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Publication number
CN105605969B
CN105605969B CN201610005117.8A CN201610005117A CN105605969B CN 105605969 B CN105605969 B CN 105605969B CN 201610005117 A CN201610005117 A CN 201610005117A CN 105605969 B CN105605969 B CN 105605969B
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CN
China
Prior art keywords
mover
stator core
winding
central shaft
powered
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Expired - Fee Related
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CN201610005117.8A
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Chinese (zh)
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CN105605969A (en
Inventor
王立坤
寇宝泉
张鲁
戈宝军
吕艳玲
张赫
金银锡
郭庆波
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Harbin University of Science and Technology
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Harbin University of Science and Technology
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Priority to CN201610005117.8A priority Critical patent/CN105605969B/en
Publication of CN105605969A publication Critical patent/CN105605969A/en
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Publication of CN105605969B publication Critical patent/CN105605969B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41WEAPONS
    • F41BWEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
    • F41B6/00Electromagnetic launchers ; Plasma-actuated launchers

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • Linear Motors (AREA)

Abstract

Highspeed spiral type electromagnetic launch system, belongs to electrical engineering technical field.Present invention solves the technical problem that being how to improve the ability that mover is spinned and accelerated simultaneously in unit volume, reduce the suffered resistance of medium after transmission of mover.Stator core of the invention is circumferentially segmented structure, double winding is embedded in stator core simultaneously, a set of winding is the circumferential axially back of the body around winding, another set of winding is axially distributed circumferential lap winding, axially the back of the body is powered around winding using common three-phase alternating current or two-phase alternating current is powered, and circumferential lap winding is powered using the two-phase alternating current of frequency conversion;Mover is enclosed within the central shaft of high glossy, and central shaft and stator core are fixedly connected by connecting rod, fixation is provided with central shaft and is dragged, central shaft and stator core synchronous rotary.It is contemplated that improving the ability that mover is spinned and accelerated simultaneously in unit volume, reduce the suffered resistance of medium after transmission of mover.

Description

Highspeed spiral type electromagnetic launch system
Technical field
The present invention relates to a kind of electromagnetic launch system, and in particular to a kind of highspeed spiral type electromagnetic launch system, belong to electricity Gas field of engineering technology.
Background technology
Electromagnetic driven technology is a kind of kinetic energy drive technology of green, is widely used in industrial production and field of traffic, Electromagnetic driven plays very important effect as a key technology.In industrial traffic field, electromagnetic driven technology can be used for Electromagnetic pumping unit and high speed electromagnetic train.Electromagnetic driven technology is based on electromagnetic induction principle, is that mover etc. has by electromagnetic energy Imitate the kinetic energy of load.Compared with conventional chemical or simple mechanical drive mode, electromagnetic driven can provide larger kinetic energy, The payload such as mover are accelerated into the chemical or purely mechanic unapproachable speed of the kind of drive, and with speed controllable, essence The advantages of spending high.Additionally, electromagnetic driven process is not easily susceptible to interference, noiseless, system survivability is strong.
Existing electromagnetic gear pattern is more, and the motion mode of mover decides the application scenario of device, for work Industry transmits occasion, improves the speed of service of mover when device works, while reduce running resistance of the mover in transmission extremely closing Key.Additionally, electromagnetic induction process can assemble substantial amounts of heat in each structure of electromagnetic gear, how efficiently to electromagnetism Transmission device carries out effective geothermal flow and distributes, and the service life for improving electromagnetic gear is also very crucial.
The content of the invention
It has been given below on brief overview of the invention, to provide on the basic of certain aspects of the invention Understand.It should be appreciated that this general introduction is not on exhaustive general introduction of the invention.It is not intended to determine pass of the invention Key or pith, nor is it intended to limit the scope of the present invention.Its purpose only provides some concepts in simplified form, In this, as the preamble in greater detail discussed after a while.
In consideration of it, according to an aspect of the present invention, the technical problem to be solved in the invention is improved in unit volume The ability that mover is spinned and accelerated simultaneously, reduces the suffered resistance of medium after transmission of mover;And, how to realize to electricity The high efficiency and heat radiation of each structure of magnetic drive, improves the service life of electromagnetic gear.The present invention is directed to propose a kind of high speed Spiral electromagnetic emitter solves above-mentioned technical problem.
A kind of highspeed spiral type electromagnetic launch system proposed by the present invention, including stator core, mover, central shaft, connection Bar and fixation are dragged, and stator core is circumferentially segmented structure, double winding are embedded simultaneously in stator core, wherein a set of winding is Around winding, another set of winding is axially distributed circumferential lap winding to the circumferential axially back of the body, and axially the back of the body is used around winding Common three-phase alternating current is powered or two-phase alternating current is powered, and circumferential lap winding is powered using the two-phase alternating current of frequency conversion;It is described dynamic The surface of son is made of the metal-back of high conductivity, and mover is enclosed within the central shaft of high glossy, central shaft and stator core It is fixedly connected by connecting rod, fixation is installed on central shaft and is dragged, central shaft and stator core synchronous rotary.
Further:The stator core can circumferentially be divided into 4-6 sections, set logical at equal intervals between every section of stator core Wind ditch.It is arranged such, reduces stator core, the axially back of the body temperature rise that electromagnetic consumable causes in winding and circumferential lap winding, while For the heat that the mover surface wind moussing loss of high-speed motion is produced provides the path evacuated.
Further:Bumper ring is equipped between stator core and connecting rod, bumper ring is sleeved on central shaft bottom, stopped Mover is contacted with bumper ring under dormancy state.Prevent that mover self gravitation in electromagnetic gear from causing to associated connecting structure Abrasion.
Further:Inert gas is passed through in air duct between every section of stator core, the type of flow of inert gas is The diagonal flow type in Off-Radial direction;The tendency direction of inert gas oblique flow is in the same direction with mover direction of rotation in air duct.So set Put, the mode of inert gas oblique flow can both reduce resistance when mover is moved, and the booster action to mover is played again.
Further:The electrical conductivity of the metal-back is 10000000S/m-100000000S/m.It is arranged such so that dynamic Sublist face inductive loop, further produces electromagnetic torque.
Further:The surface roughness of the central shaft is 0.008Ra/ μm -0.025Ra/ μm, is arranged such, and is reduced Frictional resistance between mover and central shaft.
The effect that is reached of the present invention is:
Highspeed spiral type electromagnetic launch system effectively improves the servo effect of device, and integrated winding is embedded in same stator In unshakable in one's determination, any axial location being may be implemented in while setting up two dynamic magnetic fields, improving equipment unit volume utilization rate, electromagnetism is passed The integrated winding of stator of dynamic device can make the effect that mover is spinned and accelerated simultaneously in any axial location after being powered, both It is adapted to small-sized mover transmission, large-scale mover transmission is adapted to again, it is to avoid covers self-contained unit space waste and mover diverse location electricity more Magnetic torque uneven phenomenon.Stator lap winding uses two-phase alternating current power supply mode, can make the translation magnetic field in air gap in axial direction The speed lifting in direction, the time for making mover obtain unit kinetic energy shortens.Additionally, stator core is using the structure being circumferentially separated, By to the inertia cooling gas that diagonal flow type is injected in the air duct between the stator being circumferentially separated, on the one hand realizing to stator and The integrated forcing functions of mover, strengthen effective cooling effect of stator and mover, it is to avoid because the heat that electromagnetic consumable is produced exists Structural member heated denaturalization in stator core and winding caused by a large amount of aggregations, the air duct between stator core segment is to transport at a high speed The heat that dynamic mover surface wind moussing loss causes provides important evacuation path, prevents mover from overheating the internal fault for causing Generation, on the other hand, because tendency direction and the mover direction of rotation of the inertia cooling gas of diagonal flow type keep in the same direction, can be with Resistance when mover is moved is reduced, meanwhile, the cooling gas of oblique flow play the booster action to mover, can improve the servo of equipment Stability and reliability.
Brief description of the drawings
Fig. 1 is highspeed spiral type electromagnetic gear;
Fig. 2 is the sectional view of A-A in Fig. 1;
Fig. 3 is highspeed spiral type electromagnetic gear air duct interior air-flow flow direction and mover direction of rotation comparison diagram.
In figure:1- stator cores;2- is axially carried on the back around winding;3- circumference lap winding;4- movers;5- air gaps;6- central shafts;7- Connecting rod;8- is fixed and dragged;9- air ducts;10- inert gases.
Specific embodiment
One exemplary embodiment of the invention is described hereinafter in connection with accompanying drawing.For clarity and conciseness, All features of actual implementation method are not described in the description.It should be understood, however, that developing any this actual implementation Many decisions specific to implementation method must be made during example, to realize the objectives of developer, for example, symbol Those restrictive conditions related to system and business are closed, and these restrictive conditions may have with the difference of implementation method Changed.Additionally, it also should be appreciated that, although development is likely to be extremely complex and time-consuming, but to having benefited from the present invention For those skilled in the art of disclosure, this development is only routine task.
Herein, in addition it is also necessary to which explanation is a bit, in order to avoid having obscured the present invention because of unnecessary details, in the accompanying drawings Apparatus structure and/or the process step closely related with scheme of the invention is illustrate only, and is eliminated and the present invention The little other details of relation.
The highspeed spiral type electromagnetic launch system of present embodiment, it can be seen from Fig. 1 and Fig. 2, in highspeed spiral type electromagnetism Double winding is embedded in the stator core 1 of transmission device simultaneously, a set of winding is the circumferential axially back of the body around winding 2, use In the magnetic field that foundation rotates in a circumferential direction, another set of winding is axially distributed circumferential lap winding 3, the magnetic for setting up axial translation , all there are two dynamic magnetic fields in any axial location in air gap 5 between stator core 1 and mover 4, make simultaneously Son 4 spin formula motion;Stator core 1 be circumferentially segmented structure, axially the back of the body powered using common three-phase alternating current around winding 2 or Two-phase alternating current is powered, and mover 4 is obtained spinning capability, and circumferential lap winding 3 is powered using the two-phase alternating current of frequency conversion, and lifting is dynamic The kinetic energy obtained in sub 4 unit distances;The surface of mover 4 is made of the metal-back of high conductivity, and mover 4 is enclosed within high glossy Central shaft 6 on, central shaft 6 and stator core 1 are fixedly connected by connecting rod 7, and one end of central shaft 6 drags 8 with fixation It is attached, central shaft 6 and stator core 1 can be with synchronous rotaries, the driving angle of adjustment mover 4;
In addition, according to a kind of implementation, if axially the back of the body is powered around winding 2 using common three-phase alternating current, stator core 1 Six sections can be circumferentially divided into, if axially the back of the body is powered around winding 2 using two-phase alternating current, stator core 1 can circumferentially be divided into four sections, Equidistant air duct 9 is left between every section of stator core 1.
In addition, according to a kind of implementation, bumper ring 11,11 sets of bumper ring are placed between stator core 1 and connecting rod 7 Mounted in the bottom of central shaft 6, in the dormant state, mover 4 is contacted with bumper ring 11, prevents mover 4 itself in electromagnetic gear The abrasion to associated connecting structure that gravity causes.
In addition, according to a kind of implementation, the inert gas of cooling is passed through in the air duct 9 between every section of stator core 1 10 are cooled down, and reduce stator core 1, the axially back of the body temperature rise that electromagnetic consumable causes in winding 2 and circumferential lap winding 3, while For the heat that the surface wind moussing loss of mover 4 of high-speed motion is produced provides the path evacuated.
In addition, according to a kind of implementation, inert gas 10, inertia are passed through in the air duct 9 between every section of stator core 1 The type of flow of gas 10 is the diagonal flow type in Off-Radial direction, is represented with filled arrows in figure 3, the direction of rotation of mover 4, Represented with hollow arrow in Fig. 3, the tendency direction of the oblique flow of inert gas 10 in air duct 9, both directions are in the same direction.This indifferent gas The mode of the oblique flow of body 10 can both reduce resistance when mover 4 is moved, and the booster action to mover 4 is played again.
Highspeed spiral type electromagnetic gear, rotates in a circumferential direction magnetic field and axial translation magnetic field simultaneously between stator and mover Air gap in exist, move mover formula of spinning, mover after transmission has stronger spinning capability, reduces mover and ran The resistance of medium being subject in journey.Axially distributed circumferential lap winding uses two-phase AC traction power supply, realizes mover in unit length It is interior to obtain larger initial velocity, improve mover fight capability.The electromagnetic gear of the integrated winding of stator makes mover in any axial direction Position is spinned and acceleration effect simultaneously, strengthens heat-sinking capability, has both been adapted to small-sized mover transmission, large-scale mover is adapted to again and is passed It is dynamic, improve equipment unit volume utilization rate, it is to avoid cover self-contained unit space waste more and mover diverse location electromagnetic torque is uneven Phenomenon.
Although disclosed implementation method is as above, its content is only to facilitate understand technical side of the invention Case and the implementation method that uses, are not intended to limit the present invention.Any those skilled in the art to which this invention pertains, not On the premise of departing from disclosed core technology scheme, any modification can be made in the form and details implemented and is become Change, but the protection domain that the present invention is limited, must be still defined by the scope of appending claims restriction.

Claims (4)

1. highspeed spiral type electromagnetic launch system, it is characterised in that:Including stator core (1), mover (4), central shaft (6), company Extension bar (7) and fixation are dragged (8), and stator core (1) is circumferentially segmented structure, and double winding is embedded simultaneously in stator core (1), For the circumferential axially back of the body, around winding (2), another set of winding is axially distributed circumferential lap winding to wherein a set of winding (3), axially the back of the body is powered around winding (2) using common three-phase alternating current or two-phase alternating current is powered, and circumferential lap winding (3) is using change The two-phase alternating current of frequency is powered;The surface of the mover (4) is made of the metal-back of high conductivity, and mover (4) is enclosed within bloom On the central shaft (6) of slippery, central shaft (6) and stator core (1) are fixedly connected by connecting rod (7), on central shaft (6) Fixation is installed to drag (8), central shaft (6) and stator core (1) Concentric rotation;The stator core (1) can circumferentially be divided into 4-6 Section, equidistant air duct (9) is set between every section of stator core (1);In air duct (9) between every section of stator core (1) Inert gas (10) is passed through, the type of flow of inert gas (10) is the diagonal flow type in Off-Radial direction;Air duct (9) interior inertia The tendency direction of gas (10) oblique flow is in the same direction with mover (4) direction of rotation.
2. highspeed spiral type electromagnetic launch system according to claim 1, it is characterised in that:In stator core (1) and even Bumper ring (11) is equipped between extension bar (7), bumper ring (11) is sleeved on central shaft (6) bottom, in the dormant state mover (4) with Bumper ring (11) is contacted.
3. highspeed spiral type electromagnetic launch system according to claim 1, it is characterised in that:The electrical conductivity of the metal-back It is 10000000S/m-100000000S/m.
4. highspeed spiral type electromagnetic launch system according to claim 3, it is characterised in that:The table of the central shaft (6) Surface roughness is 0.008Ra/ μm -0.025Ra/ μm.
CN201610005117.8A 2016-01-06 2016-01-06 Highspeed spiral type electromagnetic launch system Expired - Fee Related CN105605969B (en)

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Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106091811B (en) * 2016-06-18 2018-03-02 上海大学 A kind of electromagnetic type environment-friendly type setting-off device for fireworks display
CN106300876B (en) * 2016-08-31 2018-11-02 华南理工大学 A kind of Electromagnetic Control screw rod accelerator
CN106300877B (en) * 2016-08-31 2018-10-30 华南理工大学 A kind of Electromagnetic Control helicla flute accelerator
US10907928B1 (en) 2018-12-26 2021-02-02 Honeywell Federal Manufacturing & Technologies, Llc Electromagnetic rifle with spin-stabilized projectile
US10976130B1 (en) 2018-12-26 2021-04-13 Honeywell Federal Manufacturing & Technologies, Llc Electromagnetic driver with forward and reverse coils
US10976129B1 (en) 2018-12-26 2021-04-13 Honeywell Federal Manufacturing & Technologies, Llc Electromagnetic driver with helical rails to impart rotation
CN110631413B (en) * 2019-08-30 2021-07-13 南京理工大学 Electromagnetic gun with guide rail and rifling combined in segmented mode

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CN102636078A (en) * 2011-02-10 2012-08-15 吴德滨 Rotary bullet electromagnetic gun
CN203615825U (en) * 2013-05-21 2014-05-28 王献文 Electromagnetic launcher
WO2015147927A2 (en) * 2013-12-19 2015-10-01 Enig Associates Inc. Hybrid propellant electromagnetic gun system

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CN2499788Y (en) * 2001-09-04 2002-07-10 中国科学技术大学 Electromagnetic emitter
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CN102636078A (en) * 2011-02-10 2012-08-15 吴德滨 Rotary bullet electromagnetic gun
CN102192680A (en) * 2011-03-30 2011-09-21 西南交通大学 Rotary multi-pole moment field electromagnetic propeller
CN203615825U (en) * 2013-05-21 2014-05-28 王献文 Electromagnetic launcher
WO2015147927A2 (en) * 2013-12-19 2015-10-01 Enig Associates Inc. Hybrid propellant electromagnetic gun system

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Inventor after: Wang Likun

Inventor after: Kou Baoquan

Inventor after: Zhang Lu

Inventor after: Ge Baojun

Inventor after: Lv Yanling

Inventor after: Zhang He

Inventor after: Jin Yinxi

Inventor after: Guo Qingbo

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Inventor before: Chen Wen

Inventor before: Ge Baojun

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