WO2023097759A1 - Banc d'essai d'alimentation en puissance inductive - Google Patents

Banc d'essai d'alimentation en puissance inductive Download PDF

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Publication number
WO2023097759A1
WO2023097759A1 PCT/CN2021/137392 CN2021137392W WO2023097759A1 WO 2023097759 A1 WO2023097759 A1 WO 2023097759A1 CN 2021137392 W CN2021137392 W CN 2021137392W WO 2023097759 A1 WO2023097759 A1 WO 2023097759A1
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WO
WIPO (PCT)
Prior art keywords
wall
power supply
bottom wall
rotating shaft
test bench
Prior art date
Application number
PCT/CN2021/137392
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English (en)
Chinese (zh)
Inventor
洛启
谭富星
吴陈
周燕
Original Assignee
中车长春轨道客车股份有限公司
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Publication date
Application filed by 中车长春轨道客车股份有限公司 filed Critical 中车长春轨道客车股份有限公司
Publication of WO2023097759A1 publication Critical patent/WO2023097759A1/fr

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/005—Testing of electric installations on transport means
    • G01R31/008—Testing of electric installations on transport means on air- or spacecraft, railway rolling stock or sea-going vessels
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/34—Testing dynamo-electric machines
    • G01R31/343—Testing dynamo-electric machines in operation
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N15/00—Holding or levitation devices using magnetic attraction or repulsion, not otherwise provided for

Definitions

  • the invention relates to the technical field of test devices, in particular to an induction power supply test bench.
  • the purpose of the present invention is to provide an inductive power supply test bench, which can realize the experimental research on the non-contact power supply of trains, and provide guidance for the non-contact power supply of trains.
  • the present invention provides the following scheme:
  • An inductively powered test bench comprising:
  • the peripheral casing includes a bottom wall and a peripheral circular wall fixed on the bottom wall, the inner wall of the peripheral circular wall is provided with two layers along the axial direction of the peripheral circular wall for installing coils Or the first installation position of the permanent magnet;
  • a rotating shaft the rotating shaft is built in the peripheral circular wall, the rotating shaft is rotatably connected to the bottom wall, and is coaxially arranged with the peripheral circular wall;
  • Turntables the number of which is 2, fixed on the rotating shaft at a preset distance along the axial direction of the rotating shaft, and respectively corresponding to the two-layer installation positions on the peripheral circular wall, and the The turntable is provided with a second installation position for installing the coil or the permanent magnet.
  • a non-energized coil winding is installed on the second installation position of the turntable near the bottom wall on the rotating shaft, and the first installation position of the layer near the bottom wall on the outer peripheral wall is The stator coil winding with alternating current is installed on the position.
  • permanent magnets are installed on the second mounting position of the turntable close to the bottom wall on the rotating shaft, and permanent magnets are installed on the first mounting position of the layer close to the bottom wall on the peripheral circular wall.
  • the stator coil windings with alternating current are installed.
  • a coil winding with direct current is installed on the second installation position of the turntable close to the bottom wall on the rotating shaft, and the first layer of the outer circular wall close to the bottom wall
  • a stator coil winding with alternating current is installed on a mounting position.
  • permanent magnets and current collecting coils are installed on the second installation position of the turntable far away from the bottom wall on the rotating shaft, and the first layer of the outer circular wall far away from the bottom wall A levitation coil is installed on an installation position.
  • a levitation coil is installed on the second installation position of the turntable far away from the bottom wall on the rotating shaft, and a suspension coil is installed on the first installation position of the layer far away from the bottom wall on the peripheral circular wall. Installed with permanent magnets and collector coils.
  • the bottom wall is integrally connected with the peripheral circular wall.
  • the peripheral circular wall includes a first arc-shaped wall and a second arc-shaped wall
  • the first arc-shaped wall is fixed on the bottom wall, one side of the second arc-shaped wall is hinged to one side of the first arc-shaped wall, and the other side of the second arc-shaped wall is hinged to The other side of the first arc-shaped wall is detachably connected.
  • the other side of the second arc-shaped wall is engaged with the other side of the first arc-shaped wall.
  • the rotating shaft is a hollow shaft.
  • the induction power supply test bench provided by the present invention when in use, according to the data required to be measured, respectively install corresponding permanent magnets or corresponding coils at the first installation positions of the two layers of the peripheral circular wall and the second installation positions of the two rotating disks ( collector coil and levitation coil, etc.) to simulate the running speed of the magnetic levitation train and the situation of collecting induction power supply, that is, the present invention realizes the experimental research on the non-contact power supply of the train, and provides guidance for the magnetic levitation train.
  • Fig. 1 is the partial sectional structure schematic diagram of the induction power supply test bench provided by the present invention
  • Fig. 2 is a structural schematic view of the induction power supply test bench provided by the present invention without a rotating shaft and a peripheral casing;
  • Fig. 3 is the schematic structural diagram when the induction power supply test bench provided by the present invention is not equipped with a rotating shaft;
  • Fig. 4 is the flow chart when the induction power supply test bench simulating the squirrel-cage asynchronous induction motor provided by the present invention
  • Fig. 5 is the flow chart when the induction power supply test bench simulating the squirrel-cage permanent magnet synchronous motor provided by the present invention
  • Fig. 6 is the flow chart when the induction power supply test bench simulating the squirrel-cage excitation synchronous motor provided by the present invention
  • Fig. 7 is a kind of flow chart that the induction power supply test bench provided by the present invention obtains the induced electromotive force of the collector coil;
  • Fig. 8 is another flow chart of obtaining the induced electromotive force of the collector coil by the induction power supply test bench provided by the present invention.
  • Inductive power supply test bench 1000 peripheral shell 100, bottom wall 101, peripheral circular wall 102, rotating shaft 200, turntable 300, upper turntable 301, lower turntable 302, inductive power supply layer 400, drive layer 500, permanent magnet 600, coil 700.
  • the present invention provides an inductive power supply test bench 1000, which can realize the experimental research on the non-contact power supply of trains and provide guidance for the non-contact power supply of trains.
  • the induction power supply test bench 1000 includes a peripheral housing 100, a rotating shaft 200, and a turntable 300.
  • the peripheral housing 100 includes a bottom wall 101 and a peripheral circular wall 102.
  • the peripheral circular wall 102 is fixed on the bottom wall 101, that is, the bottom wall 101
  • the peripheral circular wall 102 provides support.
  • the bottom wall 101 may also be a rectangular plate, or a circular plate, etc., and the specific shape is not limited.
  • the peripheral circular wall 102 is cylindrical and fixed on the bottom wall 101 .
  • a top cover can also be installed on the top of the peripheral circular wall 102 to close the peripheral circular wall 102 .
  • the inner wall of the peripheral circular wall 102 is provided with two layers of first mounting positions along the axial direction of the peripheral circular wall 102 , and the first mounting positions are used for mounting the coil 700 or the permanent magnet 600 . Specifically, the first installation positions of each layer are evenly distributed inside the peripheral circular wall 102 along the circumferential direction of the peripheral circular wall 102 .
  • the rotating shaft 200 is built in the peripheral circular wall 102 , the rotating shaft 200 is rotatably connected to the bottom wall 101 , and is arranged coaxially with the peripheral circular wall 102 .
  • the number of turntables 300 is 2, fixed on the rotating shaft 200 at a preset distance along the axial direction of the rotating shaft 200, and respectively corresponding to the two-layer installation positions on the peripheral circular wall 102, and the rotating disk 300 is provided with installation coils 700 Or the second installation position of the permanent magnet 600.
  • the installation positions of the two turntables 300 along the rotating shaft 200 are consistent with the heights of the first installation positions of the two layers on the peripheral circular wall 102 .
  • the induction power supply test bench 1000 provided by the present invention has two upper and lower layers of coaxial rotating mechanisms: two turntables 300 .
  • the first layer of rotating mechanism is the induction power supply layer 400, which is responsible for simulating the generation process of the induced electromotive force.
  • the turntable 300 of the induction power supply layer 400 and the inner side of the peripheral circle can choose to install collector coils, suspension coils, permanent magnets 600, etc. device.
  • the other layer of rotating mechanism is the driving layer 500, which is used to simulate the operation of an asynchronous motor or a synchronous motor. It can be configured as a squirrel-cage asynchronous motor, a squirrel-cage permanent magnet 600 synchronous motor or a squirrel-cage excitation synchronous motor according to the specific experiment content.
  • the inductive power supply test bench 1000 provided by the present invention, when in use, installs corresponding permanent magnets or corresponding permanent magnets at the first installation positions of the two layers of the peripheral circular wall 102 and the second installation positions of the two turntables 300 respectively according to the data required for measurement.
  • the coil 700 (collector coil and levitation coil etc.) is used to simulate the running speed of the magnetic levitation train and the situation of collecting induction power supply, that is, the present invention has realized the experimental research on the non-contact power supply of the train, and provides guidance for the magnetic levitation train.
  • the linear motor structure of the actual maglev train is composed of the propulsion coil 700 installed on the ground, the coil 700 (superconducting coil or common excitation coil) on the train with direct current, and the power conversion device.
  • the three-phase alternating voltage is passed into the propulsion coil 700, and the propulsion coil 700 can generate a high-speed traveling wave magnetic field, which interacts with the magnetic field generated by the superconducting coil (or excitation coil) to generate thrust on the car body, and then drive train movement.
  • Linear motors were originally evolved from rotary motors by expanding the stator and rotor; it is usually considered that the stator part is the primary and the rotor part is the secondary.
  • the induction power supply test bench 1000 adopts a rotating motor to be equivalent to the linear motor structure in the maglev train.
  • the present invention discloses that the drive layer 500 is configured as follows: a squirrel-cage asynchronous induction motor, a squirrel-cage permanent magnet synchronous motor and a squirrel-cage excitation synchronous motor.
  • a non-energized coil winding is installed on the second installation position of the turntable 300 on the rotating shaft 200 close to the bottom wall 101, specifically, the coil winding is detachable by screws or the like. It is installed on the second installation position, so that other coils 700 or permanent magnets 600 can be installed when performing other tests.
  • stator coil winding with alternating current is installed.
  • stator coil winding is detachably installed on the first installation position by screws or the like, so as to facilitate other For testing, other coils 700, permanent magnets 600, and the like can be installed.
  • the first installation position of the layer close to the bottom wall 101 is named as the lower layer of the peripheral circular wall 102
  • the first installation position of the layer far away from the bottom wall 101 is the upper layer of the peripheral circular wall 102
  • the turntable 300 close to the bottom wall 101 is the lower layer.
  • the turntable 302 , the turntable 300 away from the bottom wall 101 is the upper turntable 301 .
  • the alternating current is fed into the stator coil winding inside the peripheral circular wall 102, and the stator coil winding will generate a rotating magnetic field, which corresponds to the high-speed traveling magnetic field in the actual maglev train system.
  • the coil winding of the lower turntable 302 cuts the rotating magnetic field to generate an induced electromotive force, which then generates a current and interacts with the rotating magnetic field to form a rotating torque, driving the lower turntable 302 to rotate at a speed lower than that of the rotating magnetic field.
  • the test platform works in the mode of squirrel-cage asynchronous induction motor, which can equivalently simulate the operation of asynchronous linear motor.
  • a permanent magnet 600 is installed on the second installation position of the turntable 300 close to the bottom wall 101 on the rotating shaft 200, and a permanent magnet 600 is installed on the second installation position close to the bottom wall 101 on the peripheral circular wall 102.
  • the stator coil winding with alternating current is installed on the first installation position of the layer.
  • the alternating current is fed into the stator coil winding inside the peripheral circular wall 102, and the stator coil winding will generate a rotating magnetic field, which corresponds to the high-speed traveling magnetic field in the actual maglev train system.
  • the rotating magnetic field generated by the stator coil winding interacts with the permanent magnet 600 on the lower turntable 302 to generate rotational torque to drive the lower turntable 302 to rotate at a synchronous speed.
  • This scheme can simulate the operation of the permanent magnet 600 linear synchronous motor.
  • a coil winding with direct current is installed on the second installation position of the turntable 300 close to the bottom wall 101 on the rotating shaft 200, and on the peripheral circular wall 102 close to the bottom wall 101
  • the stator coil winding with alternating current is installed on the first installation position of the layer.
  • the side wall of the lower turntable 302 is equipped with coil windings, which are used as superconducting coils or excitation coils on the equivalent maglev train.
  • the coil windings are connected with direct current to generate a constant magnetic field; Squirrel-cage excited synchronous motor.
  • the rotating magnetic field generated by the stator coil winding interacts with the magnetic field of the coil winding on the lower turntable 302 to generate a rotating torque, which pushes the lower turntable 302 to rotate at a synchronous speed.
  • This scheme can simulate the working characteristics of the excitation linear synchronous motor.
  • the suspension coils on both sides of the track cut the magnetic field generated by the superconducting coil on the train, generating induced electromotive force and changing magnetic field.
  • Electromotive force the invention can simulate the induced electromotive force generated by the collector coil when the maglev train is running.
  • the permanent magnet 600 and the collector coil are installed on the second installation position of the turntable 300 away from the bottom wall 101 on the rotating shaft 200, and the permanent magnet 600 and the current collecting coil are installed on the first installation position of the layer far away from the bottom wall 101 on the peripheral circular wall 102.
  • levitating coils as shown in Figure 7.
  • the upper turntable 301 corresponding to the inductive power supply layer 400 rotates with the lower turntable 302, and the suspension coil of the peripheral circular wall 102 cuts the rotating magnetic field generated by the permanent magnet 600 to generate induced electromotive force and current, thereby generating a changing magnetic field.
  • the collector coil on the upper turntable 301 cuts the magnetic field of the levitation coil, thereby generating induced electromotive force.
  • a levitation coil is installed on the second installation position of the turntable 300 away from the bottom wall 101 on the rotating shaft 200
  • a permanent magnet 600 is installed on the first installation position on the outer circular wall 102 far away from the bottom wall 101 and collector coils, as shown in Figure 8.
  • the suspension coil When the suspension coil rotates with the upper turntable 301, the suspension coil cuts the magnetic field of the permanent magnet 600 to generate a rotating magnetic field.
  • the collector coil on the peripheral circular wall 102 cuts the rotating magnetic field to generate induced electromotive force. This scheme can also simulate the variation of the electromotive force of the collector coil with the change of the superconducting coil current.
  • alternating current is supplied to the lower stator coil winding inside the peripheral circular wall 102 to drive the lower turntable 302 corresponding to the driving layer 500 to rotate and drive the upper turntable 301 of the inductive power supply layer 400 coaxial with it.
  • This process simulates a maglev train
  • the linear motor driving part; the upper turntable 301 corresponding to the inductive power supply layer 400 makes the collector coil in the inductive power supply layer 400 generate an induced electromotive force during the rotation process, and this process reflects the induction power supply process of the maglev train at high speed.
  • the present invention specifically discloses that the bottom wall 101 is integrally connected with the peripheral circular wall 102 . It should be noted that, the connection between the bottom wall 101 and the peripheral circular wall 102 is not limited to integral molding, but may also be welded or detachably connected.
  • the present invention discloses that the peripheral circular wall 102 includes a first arc-shaped wall and a second arc-shaped wall, the first arc-shaped wall is fixed on the bottom wall 101, and one side of the second arc-shaped wall is connected to the first arc-shaped wall.
  • One side of one arc-shaped wall is hinged, and the other side of the second arc-shaped wall is detachably connected with the other side of the first arc-shaped wall.
  • the first curved wall and the second curved wall can form a complete cylindrical wall.
  • peripheral circular wall 102 By setting the peripheral circular wall 102 in such a way that the first arc-shaped wall and the second arc-shaped wall can be opened and closed, it is convenient to realize the detachment of the coil 700 or the permanent magnet 600 at the first installation position and the second installation position.
  • the invention specifically discloses that the other side of the second arc-shaped wall is engaged with the other side of the first arc-shaped wall.
  • mounting blocks can also be provided on the outer walls of the first arc-shaped wall and the second arc-shaped wall respectively, and through holes or threaded holes allowing bolts to pass through are respectively provided on the mounting blocks to realize connection through bolts.
  • the rotating shaft 200 is a hollow shaft to reduce weight. It should be noted that the rotating shaft 200 may also be a solid shaft.
  • the turntable 300 can be integrally connected with the rotating shaft 200 , or can be fastened on the rotating shaft 200 by fasteners, etc., and the specific connection form is not limited.
  • the present invention discloses that the inductive power supply test bench 1000 further includes a speed sensor and a voltage sensor for respectively measuring the rotational speed of the rotating shaft 200 and the induced electromotive force generated by the collector coil.
  • the present invention can fully simulate the driving process and induction power supply process of the maglev train in the high-speed running state, and provides an important reference basis for the scheme design and planning of the maglev train;
  • the application of the present invention can save a lot of cost, produce good economic benefits, provide a powerful tool for the research of the maglev train project, and can be applied to the research of other high-speed motion systems in the follow-up, and has good scientific research potential;
  • the present invention improves the efficiency of maglev train-related tests, has better safety, and is conducive to the efficient and safe conduct of maglev train research.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Control Of Vehicles With Linear Motors And Vehicles That Are Magnetically Levitated (AREA)

Abstract

L'invention concerne un banc d'essai d'alimentation en puissance inductive (1000), comprenant un boîtier périphérique (100), le boîtier périphérique (100) comportant une paroi de fond (101) et une paroi circulaire périphérique (102) fixée à la paroi de fond (101), et une paroi interne de la paroi circulaire périphérique (102) pourvue, dans la direction axiale de la paroi circulaire périphérique (102), de deux strates de premières positions de montage pour le montage de bobines (700) ou d'aimants permanents (600) ; un arbre rotatif (200), disposé dans la paroi circulaire périphérique (102), relié de manière rotative à la paroi de fond (101) et disposé de façon coaxiale avec la paroi circulaire périphérique (102) ; et des plaques tournantes (300), au nombre de deux, les plaques tournantes (300) étant fixées à l'arbre rotatif (200) à une distance prédéfinie dans la direction axiale de l'arbre rotatif (200), et les plaques tournantes (300) correspondant respectivement aux deux strates de positions de montage sur la paroi circulaire périphérique (102), et étant pourvues de secondes positions de montage pour le montage des bobines (700) ou des aimants permanents (600). Pendant l'utilisation, les aimants permanents (600) correspondants ou les bobines (700) correspondantes sont montés sur la paroi circulaire périphérique (102) et les secondes positions de montage des plaques tournantes (300) en fonction des données à mesurer, de manière à simuler la vitesse de fonctionnement et l'alimentation en puissance inductive d'un train à sustentation magnétique, ce qui permet de réaliser une étude expérimentale sur l'alimentation en puissance sans contact du train.
PCT/CN2021/137392 2021-12-01 2021-12-13 Banc d'essai d'alimentation en puissance inductive WO2023097759A1 (fr)

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CN202111455941.0 2021-12-01
CN202111455941.0A CN114200229B (zh) 2021-12-01 2021-12-01 一种感应供电试验台

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CN114755580B (zh) * 2022-06-13 2022-12-16 中国科学院宁波材料技术与工程研究所 性能测试装置及测试方法
CN115498786B (zh) * 2022-10-26 2023-09-08 广州大学 一种磁能无线充电电池

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