RU1056541C - Device for electrodynamic suspension of vehicle - Google Patents

Description

 The invention relates to the field of land transport, in particular to a magnetic electrodynamic suspension system and the direction of the crew of a high-speed vehicle with a linear engine.

 The closest in technical essence and the achieved effect to the invention is a device for magnetic electrodynamic suspension and direction of the vehicle’s crew, comprising a series of pairs of vertical superconducting magnets arranged on the carriage, track conductive vertically located between the superconducting magnets of the direction loop and track conductive suspension circuit.

 Superconducting magnets of a pair have opposite polarity and, interacting with a vertical path contour, create a zero-stream directional system. These magnets, interacting with horizontal track contours, form a normal suspension system.

 In the described device, significant braking force acting in the suspension system, the coefficient of utilization of the magnetic flux of magnets is not high enough. To attenuate the magnetic field facing the passenger compartment, shielding devices must be provided on the carriage.

 The purpose of the invention is to reduce energy consumption and increase reliability.

 The goal is achieved by the fact that in the device of the magnetic electrodynamic suspension and the direction of the vehicle’s crew, comprising a series of pairs of vertical superconducting magnets located on the carriage transverse planes, track conductive vertically located between the superconducting magnets of the direction loop and the track conductive suspension contour, the latter are made in the form of a series pairs of short-circuited rectangular coils, the upper and lower parts of each of which are bent under a straight line scrap in opposite directions relative to the middle portion of the vertically extending coil, wherein each superconducting magnet is arranged between the upper part of one coil pair and the corresponding lower part of another coil of the same pair.

 In FIG. 1 shows a device for magnetic suspension and vehicle crew direction, general view; in FIG. 2 equilibrium position of the crew; in FIG. 3 crew shift down; in FIG. 4 crew shift up.

 Along the track on each side of the crew 1 are installed track circuits 2, 3 and 4. Circuit 2 is a short-circuited located in the vertical plane of the coil with one or more turns. Each of the circuits 3 and 4 is also a short-circuited rectangular coil, the upper and lower parts of which are bent in opposite directions relative to the vertically located part at right angles. The circuits 2, 3 and 4 are isolated one from another and fixed in the track 5 made of any non-magnetic dielectric material, for example concrete. Moreover, the contours 3 and 4 are fixed in such a way that they are a mirror image of each other. Two pairs of superconducting magnets 6 are attached to the crew 1 along the direction of movement, and in each pair the magnets create fields of opposite directions. Circuits 2 and magnets 6 form a zero-flow double magnet, covering the track structure, a system for the lateral direction of the crew. At the same time, circuits 3, 4 and magnets 6 form a zero-flow suspension system in which superconducting magnets 6 are covered by track circuits 3 and 4.

 In FIG. 2, 3 and 4, the operation of the suspension system is explained. For a given polarity of the superconducting magnets 6, EMFs of opposite directions are induced in the lower and upper horizontal sections of each of the path loops 3 and 4. In the absence of vertical displacements of crew 1, these EMFs are equal in magnitude, there is no current in the track loop, and the suspension and braking forces are zero (Fig. 2). When the crew 1 is shifted down (FIG. 2), the magnetic flux coupled to the lower bent sections of circuits 3 and 4 will increase, and the flux coupled to the upper bent sections of the same circuits will decrease. In this case, currents occurring in path circuits 3 and 4 compensate for the change in the external magnetic field. As can be seen in figure 3, the magnets 6 in this case will be repelled from the bottom and attracted to the upper horizontal sections of the circuits 3, 4, thereby suspending the crew 1. When the crew 1 is shifted up (figure 4), the currents in the path circuits 3 and 4 flow in the opposite direction and, interacting with the current of superconducting magnets 6, also tend to return the crew 1 to its original position.

 Compared with the known systems, the technical and economic effect of the invention consists in reducing the power of the traction system of one crew by 35-60% by reducing the braking forces; in increasing the mechanical rigidity of the track.

Claims (1)

 DEVICE FOR MAGNETIC ELECTRODYNAMIC SUSPENSION AND VEHICLE CREW DIRECTIONS, containing a series of pairs of vertical superconducting magnets located on the carriage transverse planes, electrically conductive paths located vertically between the superconducting magnets of the direction circuit and the electrically conductive paths to increase the suspension, thereby reducing the path of the suspension, reliability, track conductive suspension circuit made in the form of a series of pairs of short-circuited of coiled coils, the upper and lower parts of each of which are bent at right angles to opposite sides relative to the middle vertically located part of the coil, with each superconducting magnet located between the upper part of one coil of the corresponding pair and the lower part of the other coil of the same pair.

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