CN212292428U

CN212292428U - Magnetic suspension elevator drawn by linear synchronous motor

Info

Publication number: CN212292428U
Application number: CN202021795828.8U
Authority: CN
Inventors: 张耿; 崔鹏; 李峰川; 刘爽; 熊宇; 陈浩; 马晓鸿
Original assignee: Hunan Genguiji Intelligent Technology Co ltd
Current assignee: Hunan Genguiji Intelligent Technology Co ltd
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-01-05
Anticipated expiration: 2030-08-25

Abstract

The utility model discloses a magnetic suspension elevator drawn by a linear synchronous motor, which comprises an elevator shaft, a car and the linear synchronous motor, wherein the front wall of the elevator shaft is provided with an elevator door, a pair of H-shaped rails which are parallel to each other and arranged at intervals are fixed on the back well wall, the linear synchronous motor comprises a motor long stator winding and a motor rotor which is arranged opposite to the motor long stator winding, the motor long stator winding is fixed on the back well wall and is positioned between the pair of H-shaped rails, the motor rotor is fixed on a panel of the lift car facing the back well wall, the motor long stator winding is connected with a traction control system, a motor rotor interacts with the electrified motor long stator winding, a first electromagnet is arranged at the upper part of the lift car, the lower part of the suspension controller is provided with a second electromagnet, the first electromagnet and the second electromagnet are respectively connected with the suspension controller, and the first electromagnet and the second electromagnet respectively generate opposite suction with the H-shaped track. The device has the advantages of high running speed, low noise and less maintenance workload.

Description

Magnetic suspension elevator drawn by linear synchronous motor

Technical Field

The utility model mainly relates to the technical field of elevators, specifically speaking relates to a magnetic levitation elevator that linear synchronous motor pull.

Background

The elevator is closely related to the life of people at present and is inseparable. An elevator is a general term for a vertical transportation means in a building that serves a number of specific floors in the building. The existing elevator mainly realizes the up-and-down running of an elevator car through a steel cable, and has low speed, high noise and larger workload of maintenance. The Chinese patent with the application number of 201922136583.1 discloses a cordless elevator driven by a linear switch reluctance motor, which solves the technical problems of low elevator speed and high noise to a certain extent, but the parts of the device are complicated, and the equipment volume is large.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a magnetic levitation elevator that linear synchronous motor pull can solve current elevator functioning speed low, the noise is big, equipment is bulky, constitutes the loaded down with trivial details defect of part.

The utility model provides a magnetic suspension elevator that linear synchronous motor pulls, including the elevartor shaft, set up the car in the elevartor shaft, and the linear synchronous motor who pulls the car and go up and down, be provided with the lift-cabin door on the preceding wall of a well of elevartor shaft, be fixed with a pair of H type track that is parallel to each other and interval setting on the back wall of a well of elevartor shaft, linear synchronous motor includes motor long stator winding and the relative motor active cell that sets up rather than, motor long stator winding is fixed in on the back wall of a well and it is located between a pair of H type track, and motor long stator winding is connected with traction control system, motor active cell is fixed in the panel of the car towards the back wall of a well, motor active cell and the motor long stator winding after the circular telegram interact for provide traction force for the car, the upper portion of car is installed first electro-magnet, and its, the first electromagnet and the second electromagnet are respectively connected with the suspension controller, and the first electromagnet and the second electromagnet respectively generate opposite suction with the H-shaped part and are used for providing suspension force for the lift car.

Furthermore, a supporting arm is arranged at the lower part of the car, and the second electromagnet is installed on the supporting arm.

Furthermore, a pair of H-shaped tracks is symmetrically arranged on two sides of the long stator winding of the motor.

Furthermore, the long stator winding of the motor is composed of an iron core and a winding coil, the winding coil is wound on the iron core, and the long stator winding of the motor is fixed on the rear well wall through the iron core.

Furthermore, the number of the first electromagnets is two, and the first electromagnets are symmetrically arranged at the upper part of the lift car respectively; and/or the number of the second electromagnets is two, and the two second electromagnets are symmetrically arranged at the lower part of the lift car respectively.

Further, the magnetic suspension elevator drawn by the linear synchronous motor also comprises a supporting member for supporting the H-shaped track and the long stator winding of the motor, the supporting member is fixed on the rear wall of the elevator shaft, and the long stator winding of the motor is arranged in the central part of the supporting member.

Further, the motor rotor is installed at a central position on a panel of the lift car facing a rear well wall.

Further, the motor rotor is composed of a plurality of permanent magnets which are sequentially arranged according to the NS sequence.

Furthermore, the first electromagnet and one side, close to the car, of the H-shaped rail generate a suction force pointing to the back well wall of the elevator shaft, and the second electromagnet and one side, close to the back well wall of the elevator shaft, of the H-shaped rail generate a suction force departing from the back well wall of the elevator shaft.

Further, the linear synchronous motor-driven magnetic levitation elevator further comprises a levitation sensor and a chopper which are connected with the levitation controller, wherein the levitation sensor is installed between the first electromagnet and the H-shaped rail and between the second electromagnet and the H-shaped rail and used for measuring a levitation gap; the chopper is also connected with the first electromagnet and the second electromagnet respectively.

The utility model discloses a magnetic suspension elevator, including the elevartor shaft, set up the car in the elevartor shaft, and the linear synchronous motor who pulls the car to go up and down, be provided with the lift-cabin door on the preceding wall of a well of elevartor shaft, be fixed with a pair of H type track that is parallel to each other and interval set up on the back wall of a well of elevartor shaft, linear synchronous motor includes motor long stator winding and the motor active cell that sets up rather than opposite, motor long stator winding is fixed in on the back wall of a well and it is located between a pair of H type track, motor active cell is fixed in on the panel of the car towards the back wall of a well, and motor long stator winding is connected with traction control system, motor active cell and the motor long stator winding after circular telegram interact for providing traction force for the car, the first electro-magnet is installed on the upper portion of car, and the second electro-magnet is installed to its, and the first electromagnet and the second electromagnet respectively generate opposite suction force with the H shape and are used for providing suspension force for the lift car. Compared with the prior art, the utility model adopts a pair of H-shaped tracks for realizing the transverse self-stabilization of the lift car, and the lift car is suspended in the air through the first electromagnet and the second electromagnet based on the magnetic levitation principle, and the moment balance is achieved; meanwhile, the linear synchronous motor is used for traction, the quality of the lift car is reduced, the efficiency of the motor is improved, the running speed of the elevator can be greatly increased, and the linear synchronous motor elevator has the advantages of high running speed, low noise and less maintenance workload.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic structural diagram of a linear synchronous motor-driven magnetic levitation elevator according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

fig. 3 is a top view of fig. 1.

Description of reference numerals:

elevator shaft-1 cage-2

Elevator door-3H type track-4

Motor long stator winding-5 motor rotor-6

First electromagnet-7 and second electromagnet-8

Corbel-9 suspension controller-10

Winding coil-51 iron core-52

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

In the present disclosure, the terms "first" and "second" are mainly used to distinguish different components, but do not specifically limit the components. In addition, the use of orientations such as "up", "down", "front", and "rear" is based on the view shown in fig. 1, with vertical page up being up, vertical page down being down, vertical page to the right being back, and vertical page to the left being front.

As shown in fig. 1 to 3, the magnetic suspension elevator of this embodiment includes an elevator shaft 1, a car 2, an elevator door 3, a linear synchronous motor, H-shaped rails 4, a traction control system, a first electromagnet 7, a second electromagnet 8 and a suspension controller 10, and the linear synchronous motor includes a motor long stator winding 5 and a motor mover 6 disposed opposite thereto, wherein the car 2 moves up and down in the elevator shaft 1 under the traction of the linear synchronous motor, the number of the H-shaped rails 4 is a pair, the pair of H-shaped rails 4 are parallel to each other and fixedly mounted on a rear shaft wall of the elevator shaft 1 at an interval, the elevator door 3 is disposed on a front shaft wall of the elevator shaft 1, the motor long stator winding 5 is fixed on the rear shaft wall and is located between the pair of H-shaped rails 4, the motor mover 6 is fixed on a panel of the car 2 facing the rear shaft wall, the elevator door 3 is disposed facing the front shaft wall of the elevator shaft 1, the structure of the traction control system refers to the prior art, under the control of the traction control system, the long stator winding 5 of the motor generates upward traction force between current and the motor rotor 6 on the car 2, so that the elevator can move upwards, when the car 2 moves downwards, the car 2 moves downwards under the action of gravity, the linear synchronous motor generates braking force under the action of the traction control system, the car 2 is controlled to move downwards at a set speed, meanwhile, the upper part of the car 2 is provided with a first electromagnet 7, the lower part of the car is provided with a second electromagnet 8, the suspension controller 10 is respectively connected with the first electromagnet 7 and the second electromagnet 8, and the first electromagnet 7 and the second electromagnet 8 respectively generate opposite suction forces with an H-shaped track, so as to provide suspension force for the car 2. The levitation force generated by the first electromagnet 7 and the second electromagnet 8 causes the car 2 to be in non-contact with the hoistway 1. Preferably, the first electromagnet 7 generates an attractive force directed to the rear wall of the elevator shaft 1 with the side of the H-shaped rail 4 close to the car 2 under the action of the levitation controller 10; under the effect of suspension controller 10, second electro-magnet 8 and H type track 4 go up one side of being close to the rear well wall of elevartor shaft 1 and produce the suction that deviates from the rear well wall of elevartor shaft 1, and moment balance is realized to these two power under the traction control system effect to make first electro-magnet 7 and second electro-magnet 8 keep rated suspension clearance with H type track 4 surface respectively, and then make whole car 2 break away from H type track 4, guarantee car 2's contactless operation. Meanwhile, in the transverse direction, when the first electromagnet 7 and the second electromagnet 8 are transversely deviated from the H-shaped rail 4, the first electromagnet 7 and the second electromagnet 8 move in the directions opposite to the deviation by the guiding force generated by the deviation, and then the transverse self-stabilization of the car 2 is realized.

In the embodiment shown in fig. 1 and 3, the number of the first electromagnets 7 is two, and the first electromagnets are symmetrically arranged at the upper part of the car 2; and/or the number of the second electromagnets 8 is two, and the two second electromagnets are respectively and symmetrically arranged at the lower part of the car 2. It should be clear that there may be more first electromagnets 7 and second electromagnets 8, which may all achieve the technical effect of the present invention.

As a preferred embodiment of the present invention, the magnetic levitation elevator of the present invention further comprises a supporting arm 9 and a supporting member, wherein the supporting arm 9 is used for mounting the second electromagnet 8, and is disposed at the lower part of the car 2; the supporting member is used for supporting the H-shaped rails 4 and the long motor stator winding 5, and the long motor stator winding 5 is fixed on the rear wall of the elevator shaft 1, specifically, the long motor stator winding 5 is installed at the central part of the supporting member, the pair of H-shaped rails 4 are installed on the supporting member and symmetrically arranged at two sides of the long motor stator winding 5, and the motor rotor 6 is installed at the central position on the panel of the elevator car 2 facing the rear wall of the elevator shaft. Preferably, the motor mover 6 is composed of a plurality of permanent magnets sequentially arranged in the NS order.

Meanwhile, as shown in fig. 2 and 3, the long stator winding 5 of the motor is composed of an iron core 52 and a winding coil 51, the winding coil 51 is wound around the iron core 52, and specifically, the long stator winding 5 of the motor is fixed on the back shaft wall through the iron core 52. Note that the core 52 is formed by stacking a plurality of laminations.

In addition, in further technical scheme, above-mentioned magnetic levitation elevator still includes suspension sensor and the chopper be connected with suspension controller 10, and at this moment, suspension controller 10, suspension sensor, chopper, first electro-magnet 7 and second electro-magnet 8 have constituteed jointly the utility model discloses magnetic levitation elevator's suspension control system, suspension sensor installs between first electro-magnet 7 and H type track 4 to and between second electro-magnet 8 and H type track 4, be used for measuring the suspension clearance; the chopper is also connected to a first electromagnet 7 and a second electromagnet 8, respectively. The suspension sensor measures the gap (suspension gap) between the electromagnet and the H-shaped track, the suspension controller 10 receives a suspension sensor signal (namely the suspension gap measured by the suspension sensor), electromagnet coil current is obtained through a preset suspension control algorithm, and the electromagnet coil current is respectively output to the first electromagnet 7 and the second electromagnet 8 through the chopper so as to realize stable suspension of the first electromagnet 7 and the second electromagnet 8.

To sum up, the utility model is fixed with a pair of H-shaped rails 4 on the back wall of the elevator shaft 1, the first electromagnet 7 is arranged on the upper part of the cage 2, under the action of the suspension controller 10, the first electromagnet 7 generates suction with the rail outside the H-shaped rails 4, the direction of the suction is directed to the back wall of the elevator shaft 1, the lower part of the cage 2 is provided with the bracket arm 9, the second electromagnet 8 is arranged on the bracket arm 9, under the action of the suspension controller 10, the second electromagnet 8 generates suction with the rail inside the H-shaped rails 4, the direction of the suction deviates from the back wall of the elevator shaft 1, the two forces realize moment balance, thereby the cage 2 stably suspends, in addition, when the cage 2 has transverse deviation relative to the H-shaped rails 4, the first electromagnet 7 and the second electromagnet 8 deviate relative to the H-shaped rails 4, the first electromagnet 7 and the second electromagnet 8 generate guiding force, so that the cage 2 restores to the central position, the transverse self-stabilization of the car 2 is realized, and the guidance of the first electromagnet 7 and the second electromagnet 8 to the car 2 is realized. And simultaneously, the utility model discloses regard long stator of motor long stator winding 5 as linear synchronous motor, the permanent magnet that a plurality of arranged in proper order according to the NS order is as linear synchronous motor's active cell, under traction control system's control, motor long stator winding 5 passes through and produces ascending traction force between the motor active cell 6 on electric current and the car 2, thereby realize the upwards operation of elevator, when car 2 will down move, car 2 moves down under the action of gravity, linear synchronous motor is under traction control system's effect, produce the brake force, control car 2 moves down with the settlement speed, accomplish linear synchronous motor to the traction of magnetic levitation elevator, compare prior art, the running speed is high, the noise is little, the advantage that maintenance work load is few.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A magnetic suspension elevator dragged by a linear synchronous motor comprises an elevator shaft (1), a car (2) arranged in the elevator shaft (1) and the linear synchronous motor for dragging the car (2) to ascend and descend, wherein an elevator door (3) is arranged on a front shaft wall of the elevator shaft (1), and the magnetic suspension elevator is characterized in that a pair of H-shaped tracks (4) which are parallel to each other and arranged at intervals are fixed on a rear shaft wall of the elevator shaft (1), the linear synchronous motor comprises a motor long stator winding (5) and a motor rotor (6) arranged opposite to the motor long stator winding, the motor long stator winding (5) is fixed on the rear shaft wall and positioned between the pair of H-shaped tracks (4), the motor long stator winding (5) is connected with a traction control system, the motor rotor (6) is fixed on a panel of the car (2) facing to the rear shaft wall, and the motor rotor (6) interacts with the electrified motor long stator winding (5), the suspension device is used for providing traction force for the car (2), a first electromagnet (7) is installed on the upper portion of the car (2), a second electromagnet (8) is installed on the lower portion of the car, the first electromagnet (7) and the second electromagnet (8) are respectively connected with a suspension controller (10), and the first electromagnet (7) and the second electromagnet (8) respectively generate opposite suction force with an H-shaped track (4) and are used for providing suspension force for the car (2).

2. A linear synchronous motor-drawn magnetic levitation elevator according to claim 1, characterized in that the lower part of the car (2) is provided with a trailing arm (9), and the second electromagnet (8) is mounted on the trailing arm (9).

3. The linear synchronous motor-drawn magnetic levitation elevator according to claim 2, wherein a pair of the H-shaped rails (4) are symmetrically disposed on both sides of the long stator winding (5) of the motor.

4. The linear synchronous motor-drawn magnetic suspension elevator according to claim 1, characterized in that the long stator winding (5) of the motor is composed of an iron core (52) and a winding coil (51), the winding coil (51) is wound around the iron core (52), and the long stator winding (5) of the motor is fixed on the back shaft wall through the iron core (52).

5. The linear synchronous motor-driven magnetic levitation elevator according to claim 1, wherein the number of the first electromagnets (7) is two, and the first electromagnets are symmetrically arranged at the upper part of the car (2); and/or the number of the second electromagnets (8) is two, and the two second electromagnets are respectively and symmetrically arranged at the lower part of the lift car (2).

6. A linear synchronous motor-drawn magnetic levitation elevator according to any of claims 1-5, further comprising a support member for supporting the H-shaped track (4) and the long motor stator winding (5), said support member being fixed to the back wall of the elevator hoistway (1), said long motor stator winding (5) being mounted in the central part of the support member.

7. A linear synchronous motor-drawn magnetic levitation elevator according to claim 6, characterized in that the motor mover (6) is mounted in a central position on the car (2) panel towards the back shaft wall.

8. A linear synchronous motor-drawn magnetic levitation elevator according to claim 1, characterized in that the motor mover (6) is composed of several permanent magnets arranged in sequence NS.

9. The linear synchronous motor-driven magnetic suspension elevator according to claim 1, characterized in that the first electromagnet (7) and the side of the H-shaped rail (4) close to the car (2) generate a suction force directed to the back wall of the elevator hoistway (1), and the second electromagnet (8) and the side of the H-shaped rail (4) close to the back wall of the elevator hoistway (1) generate a suction force directed away from the back wall of the elevator hoistway (1).

10. The linear synchronous motor-driven magnetic levitation elevator according to claim 1, further comprising a levitation sensor and a chopper connected to a levitation controller (10), the levitation sensor being installed between the first electromagnet (7) and the H-shaped rail (4) and between the second electromagnet (8) and the H-shaped rail (4) for measuring a levitation gap; the chopper is also connected with a first electromagnet (7) and a second electromagnet (8) respectively.