RU2523875C1 - Vehicle magnetic levitation and transverse stabilisation device - Google Patents

Abstract

FIELD: transport.

SUBSTANCE: vehicle magnetic levitation and transverse stabilisation device includes on-board levitation and transverse stabilisation superconducting windings, horizontal and vertical short-circuited electroconductive circuits of T-shaped structure. These circuits are installed continuously along active path structure so that plane of symmetry of on-board levitation and transverse stabilisation superconducting winding is in the plane of vertical short-circuited electroconductive circuit, where horizontal and vertical short-circuited electroconductive circuits are made in the form of unfolded winding of "squirrel-cage" structure.

EFFECT: higher lateral stability and lifting force of magnetic levitation device.

2 dwg

Description

The invention relates to the field of magnetic vehicle transport technology, and in particular to the design of a magnetic levitation and lateral stabilization system to achieve magnetodynamic levitation with increased levitation clearance and intensive lateral stabilization in areas of acceleration, braking and movement in a wide range of vehicle speeds.

A device is known for magnetic levitation of a vehicle Inductrack (US No. 6664880; B60L 13/00; H01F 7/02, 12/16/2003), which underlies the technology "Inductrack" (General Atomics Low Speed Maglev Technology Development Program (Supplemental # 3). - Final Report. - FTA-CA-26-7025.2005. - May 2005). The Inductrack magnetic levitation device contains on-board permanent levitation and lateral stabilization magnets mounted on the vehicle’s carriage, assembled according to the Halbach array scheme, and flat tracks made of an electrically conductive material on the active track structure. A flat track made of litts is an assembly of segments of litts that are short-circuited in the end part. A flat laminate track is a pack of thin, electrically conductive sheets with transverse perforation. The assembly of permanent magnets according to the “Halbach array” scheme allows almost double the magnetic induction of the field in the levitation gap, and horizontally arranged tracks of litts or laminate can reduce eddy current losses, which together increases the efficiency of the levitation system and lateral stabilization, allowing to reduce the initial speed the vehicle enters levitation mode.

A disadvantage of the known device is the ineffective lateral stabilization due to the use of horizontally arranged tracks of litts or laminate.

Closest to the technical nature of the claimed device is the "Electromagnetic Inductive Suspension and Stabilization System for a Ground Vehicle" - "Electromagnetic inductive suspension and stabilization system for land vehicles" (US No. 3.470.828; B61B 13/08; H01F 7/00; H02K 41/00, 10/07/1969).

An electromagnetic inductive suspension and a stabilization system for ground vehicles contains four superconducting coils, arranged in pairs on the starboard and left sides of the vehicle and creating a magnetic field of variable polarity in the direction of travel of the vehicle. On the active track structure there are horizontal and vertical short-circuited electrically conductive circuits installed T-shaped in two rows on both sides of the vehicle in the direction of its movement. Horizontal and vertical short-circuited electrically conductive circuits respectively provide levitation and lateral stabilization of the vehicle. In this technical solution, when the vehicle is moving, the electromagnetic interaction of the onboard superconducting coils with horizontal short-circuited electrically conductive circuits creates a lifting force. Vertical short-circuited conductive circuits are installed in the plane of symmetry of the onboard superconducting coils. The electromagnetic interaction of onboard superconducting coils with vertical short-circuited electrically conductive circuits creates a force in the horizontal lateral direction when the plane of symmetry of the on-board superconducting coils is displaced to the left or right with respect to the direction of the vehicle from the planes of the vertical short-circuited conductive circuits. In this technical solution, through the use of horizontal and vertical short-circuited electrically conductive circuits in the active track structure, levitation and lateral stabilization of the vehicle are automatically provided.

However, horizontal and vertical short-circuited electrically conductive circuits installed on an active track structure do not sufficiently create lift and lateral stabilization.

The objective of the invention is the creation of a device of magnetic levitation and lateral stabilization of the vehicle, which allows to increase the stability of lateral stabilization and increase the lifting force by increasing the levitation gap.

The technical result is achieved by the fact that in the device of magnetic levitation and lateral stabilization of the vehicle, including onboard superconducting windings of levitation and onboard stabilization, T-shaped horizontal and vertical short-circuited electrically conductive circuits installed continuously along the active track structure so that the plane of symmetry of the side superconducting winding levitation and lateral stabilization is in the plane of the vertical short-circuited electric wire wide contour, and horizontal and vertical short-circuited electrically conductive circuits are made in the form of an expanded winding of a squirrel cage.

Due to the use of horizontal short-circuited electrically conductive circuits in the form of unfolded windings of squirrel cages installed continuously along an active track structure, the number of short-circuited electrically conductive circuits of a vehicle’s magnetic levitation device increases many times, thereby increasing its levitation quality.

Due to the use of vertical short-circuited electrically conductive circuits in the form of deployed windings of squirrel cages installed continuously along an active track structure, the number of short-circuited electrically conductive circuits of a vehicle lateral stabilization device increases many times, as a result of which its lateral stabilization increases.

The essence of the proposed technical solution is illustrated by figures 1, 2, where:

figure 1 shows a General view of the vehicle with a device of magnetic levitation and lateral stabilization of the vehicle in section;

figure 2 shows a diagram of the levitation and lateral stabilization of the vehicle.

The essence of the proposed technical solution is as follows. The device of magnetic levitation and lateral stabilization of the vehicle is installed on its sides. It contains an onboard superconducting winding of levitation and lateral stabilization 1, and in the active path structure there are horizontal short-circuited electrically conductive circuits 2 and vertical short-circuited electrically conductive circuits 3 in the form of unfolded windings of squirrel cages, which are fixed in the active path structure, forming a T-shape.

The on-board superconducting winding of levitation and lateral stabilization 1 is installed above the horizontal short-circuited electrically conductive circuit 2 in the form of an expanded winding of the squirrel cage so that the axis of symmetry of the on-board superconducting winding of levitation and lateral stabilization 1 is in the plane of the vertical short-circuited electrically conductive circuit 3 in the form of an expanded winding cell. The onboard superconductor field winding 4 of the linear traction synchronous motor is mounted on the carrier carriage 6 of the vehicle with the long side in the direction of its movement. The three-phase winding 5 of the linear traction synchronous motor is installed in the grooves of the ferromagnetic core 7 assembled from sheet electrical steel in the active track structure.

The device magnetic levitation and lateral stabilization of the vehicle operates as follows.

When powering the three-phase winding 5 of the traction linear synchronous motor, the vehicle starts moving on auxiliary wheels. At a speed characteristic of each vehicle, the vehicle begins to levitate.

Vehicle levitation occurs due to the electromagnetic interaction of the onboard superconducting levitation winding and lateral stabilization 1 with the horizontal short-circuited electrically conductive circuit 2. Since the horizontal short-circuited electrically conductive circuits 2 have a multi-circuit design, their electromagnetic coupling with the onboard superconducting winding of the levitation and lateral stabilization 1 becomes significantly stronger than in prototype. As a result, the characteristic speed at which vehicle levitation occurs is many times lower than the prototype, and the levitation gap also increases many times.

Transverse stabilization of the vehicle occurs due to the electromagnetic interaction of the onboard superconducting levitation winding and lateral stabilization 1 with the vertical short-circuited electrically conductive circuit 3. Since the vertical short-circuited electrically conductive circuits 3 have a multi-circuit design, their connection with the onboard superconducting winding of levitation and lateral stabilization 1 becomes significantly higher than in prototype. As a result, the strength of lateral stabilization increases many times compared with the prototype, which appears every time the plane of symmetry of the onboard superconducting winding of levitation and side stabilization 1 is shifted to the left or right of the plane in which the vertical short-circuited electrically conductive circuit 3 is located.

Claims (1)

The device of magnetic levitation and lateral stabilization of the vehicle, including onboard superconducting windings of levitation and lateral stabilization, T-shaped horizontal and vertical short-circuited electrically conductive circuits mounted continuously along the active track structure so that the plane of symmetry of the onboard superconducting winding of levitation and lateral stabilization is in the plane vertical short-circuited conductive circuit, characterized in that the horizon The linear and vertical short-circuited electrically conductive circuits are made in the form of an expanded winding of a squirrel cage.

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