CN118108091A - Elevator driving device based on magnetic suspension linear motor - Google Patents
Elevator driving device based on magnetic suspension linear motor Download PDFInfo
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- CN118108091A CN118108091A CN202410214195.3A CN202410214195A CN118108091A CN 118108091 A CN118108091 A CN 118108091A CN 202410214195 A CN202410214195 A CN 202410214195A CN 118108091 A CN118108091 A CN 118108091A
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- linear motor
- elevator
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Abstract
The invention discloses an elevator driving device based on a magnetic suspension linear motor, which comprises a suspension cage, a linear motor module and a linear guide rail, wherein the linear motor module comprises a linear motor primary and a linear motor secondary, the linear motor primary and the linear motor secondary are respectively arranged on the suspension cage and the linear guide rail, after the linear motor module is electrified, the linear motor primary and the linear motor secondary interact to generate electromagnetic thrust, so that the suspension cage is driven to lift along the linear guide rail, and meanwhile, the suspension cage and the linear guide rail are in a magnetic suspension state. According to the elevator driving device based on the magnetic suspension linear motor, the linear motor module is adopted to drive the suspension cage, so that the suspension cage is in a magnetic suspension state with the linear guide rail while lifting along the linear guide rail, the elevator efficiency can be improved, the elevator energy consumption can be reduced, the abrasion and faults of the elevator can be reduced, the service life of the elevator can be prolonged, the elevator running noise can be eliminated, and the elevator can run more stably.
Description
Technical Field
The invention relates to the technical field of elevators, in particular to an elevator driving device based on a magnetic suspension linear motor.
Background
The existing elevator mostly adopts traction sheaves and traction ropes or reels and steel ropes to drive the elevator, and the method for driving through the gear rack is easy to generate larger friction force, so that the problems of abrasion, noise, vibration and the like are generated.
Therefore, in order to solve the defects existing in the prior art, the patent provides an elevator driving device based on a magnetic suspension linear motor.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an elevator driving device based on a magnetic suspension linear motor, which solves the problems that the existing motor driving technology adopts a gear rack to drive so as to easily generate abrasion, noise, vibration and the like.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The utility model provides an elevator drive arrangement based on magnetic suspension linear electric motor, includes cage, linear electric motor module, linear guide, and the linear electric motor module includes the primary of linear electric motor and the secondary of linear electric motor, the primary of linear electric motor with the secondary of linear electric motor is located respectively the cage with on the linear guide, after the circular telegram of linear electric motor module, the primary of linear electric motor with the secondary interact of linear electric motor produces electromagnetic thrust, drives the cage is followed linear guide goes up and down, makes simultaneously the cage with be the state of magnetic suspension between the linear guide.
Preferably, the suspension cage is fixedly connected to the back side of the linear motor module.
Preferably, the suspension cage is fixedly connected to the bottom of the linear motor module.
Preferably, the position feedback device is further included, and the position feedback device is used for feeding back the position of the suspension cage.
Preferably, the linear motor module further comprises a motor fixing plate, wherein the motor fixing plate is used for fixing the linear motor module.
Preferably, the device further comprises a standard joint, a pulley, a steel wire rope and a counterweight, wherein the pulley is arranged at the top of the standard joint, the pulley is in sliding connection with the steel wire rope, one end of the steel wire rope is connected with the suspension cage, and the other end of the steel wire rope is connected with the counterweight.
Preferably, a fixed platform is arranged at the bottom of the standard knot.
Preferably, the device further comprises a braking device, wherein the braking device is used for braking the suspension cage.
Preferably, the lifting cage further comprises a speed sensor, wherein the speed sensor is used for monitoring the lifting speed of the lifting cage.
Preferably, the lifting cage further comprises a limiting device, wherein the limiting device is used for limiting the lifting position range of the lifting cage.
Compared with the prior art, the invention has the following beneficial effects:
The linear motor module is adopted to drive the cage, so that the cage is in a magnetic suspension state with the linear guide rail while lifting along the linear guide rail, and as the linear motor module can realize non-contact transmission force, the mechanical friction loss is almost zero, the problem that friction transmission methods such as a gear and a rack are easy to generate can be effectively avoided, thereby improving the efficiency of the elevator, further reducing the energy consumption, reducing the carbon emission, meeting the environmental protection requirement, reducing the abrasion and the failure of the elevator, prolonging the service life of the elevator, and eliminating the operation noise of the elevator and ensuring the stable operation of the elevator; in addition, by omitting a large number of intermediate transmission mechanisms, the reflection speed of elevator lifting can be increased, and the accuracy of elevator lifting is improved.
Drawings
FIG. 1 is a schematic front plan view of the present invention;
FIG. 2 is a schematic side plan view of the present invention;
fig. 3 is an enlarged plan view of a in fig. 1, 2;
In the figure:
The device comprises a suspension cage 1, a linear motor primary 2, a linear motor secondary 3, a linear guide rail 4, a position feedback component 5, a motor fixing plate 6, a standard joint 7, a pulley 8, a steel wire rope 9, a counterweight 10 and a fixing platform 11.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-3, the elevator driving device based on the magnetic suspension linear motor provided by the invention comprises a suspension cage 1, a linear motor module and a linear guide rail 4, wherein the linear motor module comprises a linear motor primary 2 and a linear motor secondary 3, the linear motor primary 2 and the linear motor secondary 3 are respectively arranged on the suspension cage 1 and the linear guide rail 4, and after the linear motor module is electrified, the linear motor primary 2 and the linear motor secondary 3 interact to generate electromagnetic thrust to drive the suspension cage 1 to lift along the linear guide rail 4, and meanwhile, the suspension cage 1 and the linear guide rail 4 are in a magnetic suspension state.
In particular, the linear motor is of an open flat shape, and electrical energy is efficiently converted into mechanical energy for linear motion by electromagnetic interaction between the coil winding (primary portion) and the permanent magnet (secondary portion) without any transmission of an intermediate conversion mechanism. It can be seen as a rotating electrical machine which is radially split and planar, wherein the side from which the stator evolves is called primary and the side from which the rotor evolves is called secondary.
The primary is commonly known as a motor, moving part, skid or carriage, while the secondary is also known as a track or magnetic circuit. The primary is usually formed by an elongated magnet and the secondary is formed by conductors forming a magnetic field therebetween to effect movement. The primary is typically made of a permanent magnet material or an electromagnet, having a strong magnetic field, typically for the part to be fixed to the machine, which does not move, and which provides a magnetic field, creating an electromagnetically induced force, causing the secondary to move. The secondary is made of conductor materials, is generally composed of copper wires or aluminum wires, is light in weight and convenient to move, and can move along a fixed straight line. The method has wide application in the aspects of realizing the transportation and the transmission of articles and the like. When the primary winding is connected with an alternating current power supply, a traveling wave magnetic field is generated in the air gap, and the secondary winding is cut by the traveling wave magnetic field, induces electromotive force and generates current, and the current and the magnetic field in the air gap act to generate electromagnetic thrust. If the primary is fixed, the secondary moves linearly under the action of thrust; otherwise, the primary moves linearly.
In this embodiment, the linear motor primary 2 is disposed on the cage 1, and the linear motor secondary 3 is disposed on the linear guide rail 4, and when the linear motor module is energized, the linear motor primary 2 and the linear motor secondary 3 interact to generate electromagnetic thrust, so as to drive the cage 1 to lift along the linear guide rail 4, and simultaneously make the cage 1 and the linear guide rail 4 present a magnetic suspension state therebetween, so that mechanical friction loss can be avoided, wherein the whole device can be used as an elevator driving device by replacing the cage 1 with an elevator car. Therefore, the elevator driving device based on the magnetic suspension linear motor can improve the elevator efficiency, further reduce the energy consumption, reduce the carbon emission, meet the environmental protection requirement, reduce the abrasion and the faults of the elevator, prolong the service life of the elevator, and eliminate the operation noise of the elevator and ensure the elevator to operate stably; in addition, by omitting a large number of intermediate transmission mechanisms, the reflection speed of elevator lifting can be increased, and the accuracy of elevator lifting is improved.
In an alternative embodiment, the cage 1 is fixedly connected to the back side of the linear motor module.
Specifically, in the present embodiment, the linear motor module is disposed inside the standard section 7, so that the space for lifting the elevator can be saved.
In an alternative embodiment, the cage 1 is fixedly connected to the bottom of the linear motor module.
Specifically, as shown in fig. 1 and 2, the suspension cage 1 can be fixedly connected to the bottom of the linear motor module, so that the linear motor module and the suspension cage 1 can be conveniently connected in a mounting manner.
In an alternative embodiment, a position feedback element 5 is also included, the position feedback element 5 being used to feedback the position of the cage 1.
Specifically, the position feedback component 5 may be a magnetic grid ruler, as shown in fig. 3, the position feedback component 5 is disposed at a side edge of the linear motor module, and the position feedback component 5 is configured to feed back a position of the current cage 1, so that a floor number where an elevator is located is conveniently displayed.
In an alternative embodiment, as shown in fig. 3, a motor fixing plate 6 is further included, and the motor fixing plate 6 is used to fix the linear motor module.
Specifically, through setting up motor fixed plate 6 can ensure that linear motor module can be firmly and firmly be connected with cage 1, is favorable to guaranteeing the smooth operation of cage 1 lift.
In an alternative embodiment, as shown in fig. 1, the device further comprises a standard joint 7, a pulley 8, a steel wire rope 9 and a weight piece 10, wherein the pulley 8 is arranged at the top of the standard joint 7, the pulley 8 is in sliding connection with the steel wire rope 9, one end of the steel wire rope 9 is connected with the suspension cage 1, and the other end of the steel wire rope 9 is connected with the weight piece 10.
Specifically, by adding the weight structure including the weight member 10, the weight of the cage 1 can be balanced, which is advantageous in maintaining stable balance and stable operation of the cage 1 and saving energy consumption, and in preventing occurrence of accidents.
In an alternative embodiment, as shown in fig. 1, the bottom of the standard knot 7 is provided with a fixed platform 11.
Specifically, by providing the fixed platform 11 at the bottom of the standard knot 7, it is advantageous to keep the standard knot 7 balanced, so that the elevator can stably run.
In an alternative embodiment, braking means are also included for braking the cage 1.
In particular, by providing the braking device, the braking time can be further saved, thereby improving the running efficiency of the elevator and being beneficial to preventing accidents.
In an alternative embodiment, a speed sensor is also included, which is used to monitor the lifting speed of the cage 1.
Specifically, the lifting speed of the lifting cage 1 is monitored by the speed sensor, so that the lifting speed of the current lifting cage 1 is checked, and the lifting speed is observed and regulated conveniently, so that the riding experience of passengers is ensured.
In an alternative embodiment, a limiting device is further included, and the limiting device is used for limiting the lifting position range of the cage 1.
Specifically, by arranging the limiting device, the suspension cage 1 can be ensured to stay at the correct position, and the suspension cage 1 is prevented from colliding with the top and the bottom of the standard joint 7, so that damage caused by collision of components is avoided.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (10)
1. The utility model provides an elevator drive arrangement based on magnetic suspension linear electric motor, its characterized in that includes cage, linear electric motor module, linear guide, and the linear electric motor module includes the primary of linear electric motor and the secondary of linear electric motor, the primary of linear electric motor with the secondary of linear electric motor is located respectively the cage with on the linear guide, after the circular telegram of linear electric motor module, the primary of linear electric motor with the secondary interact of linear electric motor produces electromagnetic thrust, drives the cage is followed the linear guide goes up and down, makes simultaneously the cage with be the state of magnetic suspension between the linear guide.
2. The elevator driving device based on a magnetic levitation linear motor according to claim 1, wherein the cage is fixedly connected to a back side of the linear motor module.
3. The elevator driving device based on a magnetic suspension linear motor according to claim 1, wherein the suspension cage is fixedly connected to the bottom of the linear motor module.
4. The elevator drive device based on a magnetic levitation linear motor of claim 1, further comprising a position feedback component for feeding back a position of the cage.
5. The elevator driving device based on a magnetic levitation linear motor according to claim 1, further comprising a motor fixing plate for fixing the linear motor module.
6. The elevator driving device based on a magnetic suspension linear motor according to claim 1, further comprising a standard section, a pulley, a steel wire rope and a counterweight, wherein the pulley is arranged at the top of the standard section, the pulley is in sliding connection with the steel wire rope, one end of the steel wire rope is connected with the cage, and the other end of the steel wire rope is connected with the counterweight.
7. The elevator driving device based on a magnetic suspension linear motor according to claim 6, wherein a fixed platform is arranged at the bottom of the standard knot.
8. An elevator drive based on a magnetic levitation linear motor according to claim 1, further comprising a braking device for braking the cage.
9. The elevator drive device based on a magnetic levitation linear motor of claim 1, further comprising a speed sensor for monitoring a lifting speed of the cage.
10. The elevator drive device based on a magnetic levitation linear motor of claim 1, further comprising a limiting device for limiting a lifting position range of the cage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410214195.3A CN118108091A (en) | 2024-02-27 | 2024-02-27 | Elevator driving device based on magnetic suspension linear motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410214195.3A CN118108091A (en) | 2024-02-27 | 2024-02-27 | Elevator driving device based on magnetic suspension linear motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118108091A true CN118108091A (en) | 2024-05-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410214195.3A Pending CN118108091A (en) | 2024-02-27 | 2024-02-27 | Elevator driving device based on magnetic suspension linear motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118108091A (en) |
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2024
- 2024-02-27 CN CN202410214195.3A patent/CN118108091A/en active Pending
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