CN213359789U

CN213359789U - Magnetic suspension safety sliding door

Info

Publication number: CN213359789U
Application number: CN202021248502.3U
Authority: CN
Inventors: 戚建淮; 张伟生; 郑伟范; 刘建辉; 宋晶; 彭华
Original assignee: Shenzhen Y&D Electronics Information Co Ltd
Current assignee: Shenzhen Y&D Electronics Information Co Ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-06-04
Anticipated expiration: 2030-06-30

Abstract

The utility model discloses a magnetic suspension safety sliding door, include: a door body; the linear motor is used for providing power for the door body, the linear motor comprises a stator and a rotor which can slide relatively, a gap is formed between the stator and the rotor, and the door body is suspended on the rotor; the magnetic absorption piece and the permanent magnetic piece can generate mutual attraction, one of the magnetic absorption piece and the permanent magnetic piece is fixedly connected with the stator, and the other of the magnetic absorption piece and the permanent magnetic piece is fixedly connected with the rotor. The utility model discloses according to the basic characteristic of "magnet attraction nature" of magnet, structural through installing the magnetic part of inhaling on stator or active cell and installing the permanent magnetic part on active cell or stator, constitute corresponding magnetism and inhale the module, the power of inter attraction about forming, inhale the door body and float aloft. The utility model discloses utilized the weight of the magnetic attraction overcome the door body to inhale the door body and floated, alleviateed the door body by a wide margin at the wear and the consumption of switching in-process, the fault rate that has significantly reduced has the consumption little, the noise is low, need not lubricated characteristics.

Description

Magnetic suspension safety sliding door

Technical Field

The utility model belongs to the technical field of safe sliding door is used to the rail transit system platform, concretely relates to magnetic suspension safe sliding door.

Background

The conventional safe sliding door for the rail transit platform is commonly a subway shield door and the like, and a main movement mechanism adopts a reciprocating linear movement device, namely, a direct current motor realizes linear movement through a speed reducing mechanism, a screw rod, a sliding block or a belt. The main bearing mode of the sliding door with the structure is to use the guide rail to bear the weight of the door body and drive the sliding door to open and close. Because the opening and closing frequency of the safe sliding door of the rail transit platform is high, the abrasion is large, and a plurality of safety problems are caused by adopting the transmission and movement modes of the mechanism. For example, a mechanical model fault, a shielding door easily clamping passengers, high noise and the like. When the prior platform screen door uses a speed reducing mechanism, the prior platform screen door has the defects of low transmission efficiency, mechanical abrasion, lubricating oil lubrication, easy loosening of a belt and the like, and has the defects of high noise, high mechanical abrasion, environmental pollution, easy damage, high energy consumption and high failure rate.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a magnetic suspension safety sliding door, can solve the noise among the traditional device big, mechanical wear is big, polluted environment, fragile, the energy consumption is high, the shortcoming that the fault rate is high.

In order to solve the technical problem, the utility model provides a technical scheme does:

a magnetically suspended safety sliding door comprising:

a door body;

the linear motor is used for providing power for the door body, the linear motor comprises a stator and a rotor which can slide relatively, a gap is formed between the stator and the rotor, and the door body is suspended on the rotor;

the rotor comprises a stator, a rotor, a magnetic absorption piece and a permanent magnetic piece, wherein the rotor is provided with a rotor core, the rotor core is provided with a stator core, the rotor core is provided with a rotor core, the rotor core is.

Further, still include: and the stator is fixedly arranged on the guide rail.

Furthermore, guide grooves are formed in the guide rail and below the stator, guide wheels are slidably arranged in the guide grooves, the guide wheels are limited by the guide grooves in the vertical direction, and the guide wheels are fixedly connected with the rotor and the door body.

The guide wheel, the rotor and the door body are fixedly connected with the sliding block to form a whole.

Furthermore, the magnetic absorption piece and the permanent magnetic piece correspond to each other and are provided with gaps, one of the magnetic absorption piece and the permanent magnetic piece is fixedly arranged on the guide rail, and the other of the magnetic absorption piece and the permanent magnetic piece is fixedly arranged on the sliding block.

Furthermore, the sliding blocks are in a pi shape, the door body is vertically fixed in the middle of the sliding blocks, and even number of the magnetic absorbing pieces and even number of the permanent magnetic pieces are respectively arranged on two sides of the door body in pairs.

Further, still include the magnet cover, magnet cover fixed mounting be in on the slider, the piece that absorbs magnetism is installed in the magnet cover.

And the two ends of the suspension piece are respectively fixedly connected with the sliding block and the door body.

Furthermore, the guide rail is n-shaped with a downward opening, and the mover, the guide wheel and the sliding block are all or partially accommodated in the guide rail.

Furthermore, a boss is arranged in the guide rail and clamped below the stator so as to fix the stator.

The utility model has the advantages that:

the utility model discloses a structure and the drive design mode of "magnetic suspension + linear electric motor". According to the basic characteristic of 'iron attraction' of the magnet, the corresponding magnetic module is structurally formed by the magnetic attraction piece arranged on the stator or the rotor and the permanent magnetic piece arranged on the rotor or the stator, so that the force of mutual attraction up and down is formed, and the door body is attracted and floated in the air. The utility model discloses utilized the weight of the magnetic attraction overcome the door body to inhale the door body and floated, alleviateed the door body by a wide margin at the switching in-process wear and consumption, the fault rate that has significantly reduced. In addition, the magnetic suspension safety sliding door is directly driven by the linear motor to open and close the door body, so that the mechanical connection part in the middle is reduced, the magnetic suspension safety sliding door has the characteristics of low power consumption, low noise and no need of lubrication, and the safety and the reliability of the magnetic suspension safety sliding door are obviously enhanced.

Drawings

FIG. 1 is a front view of the magnetic levitation safety sliding door of the present invention in a preferred embodiment;

FIG. 2 is a side sectional view of the magnetic levitation safety sliding door of the present invention in a preferred embodiment;

fig. 3 is a partially enlarged schematic view of fig. 1.

The reference numerals include:

100-guide rail 110-guide groove 120-guide wheel

140-boss 200-linear motor 210-stator

220-mover 300-magnetic attraction piece 400-permanent magnetic piece

410-magnet cover 500-slide block 600-door body

610-suspension member 620-mounting member

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1 and 2, in order to illustrate a preferred embodiment of the present invention, the magnetic suspension safety sliding door includes: a door body 600; the linear motor 200 is used for providing power for the door body 600, the linear motor 200 comprises a stator 210 and a mover 220 which can slide relatively, a gap is formed between the stator 210 and the mover 220, and the door body 600 is suspended on the mover 220; the magnetic attraction device comprises a magnetic attraction piece 300 and a permanent magnet piece 400 which can generate mutual attraction force, wherein one of the magnetic attraction piece 300 and the permanent magnet piece 400 is fixedly connected with the stator 210, and the other of the magnetic attraction piece 300 and the permanent magnet piece 400 is fixedly connected with the rotor 220.

The utility model discloses a structure and the drive design mode of "magnetic suspension + linear electric motor". According to the basic characteristics of the 'iron attraction' of the magnet, the corresponding magnetic module is structurally formed by the magnetic attraction piece 300 arranged on the stator 210 or the mover 220 and the permanent magnet piece 400 arranged on the mover 220 or the stator 210, so that the door body 600 is attracted and floated in the air by the force of mutual attraction up and down. The utility model discloses the weight of having utilized magnetic attraction to overcome door body 600 inhales the door body 600 and floats, has alleviateed door body 600 at the wear and the consumption of switching in-process by a wide margin, the fault rate has significantly reduced. In addition, the linear motor 200 directly drives the door body 600 to open and close, so that the mechanical connection part in the middle is reduced, the magnetic suspension safety sliding door has the characteristics of low power consumption, low noise and no need of lubrication, and the safety and the reliability of the magnetic suspension safety sliding door are obviously enhanced. The above components are described in further detail below.

As shown in fig. 2, the magnetic suspension safety sliding door mainly comprises: the guide rail 100, the guide wheel 120, the linear motor 200, the magnetic attraction piece 300, the permanent magnetic piece 400, the sliding block 500 and the door body 600.

The linear motor 200 is a driving device that directly converts electric energy into mechanical energy for linear motion without any intermediate conversion mechanism. The linear motor 200 includes a stator 210 and a mover 220 that are relatively slidable, with a gap between the stator 210 and the mover 220 without mechanical contact. An electromagnetic coil is installed inside the stator 210, and the magnitude and direction of current flowing through the electromagnetic coil are controlled. Under the action of the magnetic force lines of the stator 210, a horizontal magnetic force is generated to the mover 220. When the horizontal magnetic force drives the mover 220 to perform a reciprocating linear motion, the reciprocating linear motion of the door body 600 is realized, that is, the opening and closing of the door body 600 is realized.

The linear motor 200 is mainly used for driving the door body 600 to open and close, so that the rapid and accurate positioning, noise reduction and loss reduction can be realized; meanwhile, because the stator 210 and the mover 220 are in a magnetic suspension mode, when a person is clamped, the door body 600 can be automatically bounced under the extrusion force of the human body, the situation that the person is easily clamped and damaged like a mechanical connecting piece can not occur, and the safety of passengers is greatly improved.

In order to realize the mode of magnetic suspension and linear motor, the utility model discloses a guide rail 100 and slider 500 of special shape, the purpose is the stator 210 and the active cell 220 of the easy installation magnet piece 300, permanent-magnet piece 400 and linear motor 200.

Specifically, as shown in fig. 1, the guide rail 100 is horizontally disposed along a straight line, and is mainly used for guiding the traveling direction of the door body 600. The overall guide rail 100 is substantially n-shaped with a downward opening, and the shape of the guide rail is designed to facilitate installation of the magnetic attraction piece 300 or the permanent magnet piece 400, so that the guide rail has the functions of bearing and guiding. The mover 220, the guide wheel 120, and the slider 500 are wholly or partially accommodated in the guide 100.

Specifically, as shown in fig. 2, a boss 140 and a guide groove 110 are provided in the guide rail 100. Stator 210 is fixedly mounted on the top of the inside of rail 100 by fasteners such as screws, and boss 140 is clamped under stator 210 to further fix stator 210.

Preferably, the plurality of stators 210 are intermittently arranged to form a stator track. The guide groove 110 is formed in the guide rail 100 and below the stator 210, and the guide wheel 120 can move in the guide groove 110, so that a horizontal gap, an upward transmission gap and linear motion guide when the mover 220 moves are ensured, and high overall stability is achieved. The guide wheel 120 is limited by the guide groove 110 in the vertical direction, and the guide wheel 120 is fixedly connected with the mover 220 and the door body 600. The guide wheels 120 installed in the guide rail 100 prevent the magnetic attraction member 300 and the permanent magnet member 400 from being attracted to each other, thereby achieving the effects of isolating, guiding and reducing friction, and facilitating the movement of the mover 220.

The slider 500 is substantially pi-shaped as a whole and is mounted in the middle of the guide rail 100. The guide wheel 120, the mover 220 and the door body 600 are all fixedly connected with the slider 500 to form a whole. Specifically, the middle part of the slider 500 is fixedly connected with the guide wheel 120; the mover 220 is fixedly installed on the middle upper surface of the slider 500, and the slider 500 and the mover 220 are connected together by a connecting material or the like; the door body 600 is vertically fixed below the middle of the slider 500.

The magnetic attraction piece 300 and the permanent magnet piece 400 are arranged up and down correspondingly with a gap between the two. The magnetic attraction piece 300 and the permanent magnetic piece 400 are mutually attracted to form a magnetic attraction track, so that the magnetic suspension effect is achieved. The guide wheels 120 ensure that the mover 220 maintains a gap between the mover 220 and the stator 210 and between the magnetic member 300 and the permanent magnet 400 during the movement of the mover 220.

One of the magnetic attraction member 300 and the permanent magnet member 400 is fixedly installed on the guide rail 100, and the other thereof is fixedly installed on the slider 500. For example, in the preferred embodiment of the present application, the magnetic attraction member 300 is fixedly installed on the lower end surface of the guide rail 100, and the permanent magnet member 400 is fixedly installed on the lower both side overhanging portions of the slider 500. The door body 600 is supported and floated by the suction force between the magnetic attraction piece 300 and the permanent magnetic piece 400, so that the suspension purpose is achieved.

In order to match the linear motor to move, the installation mode of the magnetic suspension permanent magnet blocks also needs to be specially designed. The utility model discloses permanent magnetic member 400 is the cuboid form, installs in the lower part of slider 500, corresponds with the magnetism piece 300 of inhaling of installing on guide rail 100 and arranges. Further, the magnetic suspension safety sliding door further comprises a magnet cover 410, the magnet cover 410 is fixedly mounted on the sliding block 500 through fasteners such as screws, and the permanent magnet piece 400 is mounted in the magnet cover 410 in an adsorption manner.

The even number of the magnetic attraction pieces 300 and the even number of the permanent magnetic pieces 400 are respectively arranged on two sides of the door body 600 in pairs. The magnetic attraction piece 300 and the permanent magnetic piece 400 are symmetrically arranged, so that the two sides are uniformly stressed, and a self-balancing state is achieved.

The door body 600 is suspended in the air under the suction action of the regularly installed magnetic suction pieces 300 and the permanent magnetic pieces 400, so that the frictional resistance during movement is greatly reduced, and lubrication is not needed. Therefore, implement magnetic suspension safety sliding door, its safety and the reliability of showing the effect for having improved sliding door greatly.

As shown in fig. 3, the magnetic suspension safety sliding door further includes a suspension member 610 and a mounting member 620, two ends of the suspension member 610 are respectively and fixedly connected to the sliding block 500 and the mounting member 620, and the mounting member 620 is fixedly connected to the door body 600 to drive the door body 600 to horizontally and linearly move together.

Meanwhile, the magnetic levitation force can be calculated by calculating the weight and the structural size of the door body 600. The accurate positioning process of the linear motion position is to determine the motion distance of the linear motor 200 by calculating the position of the permanent magnet 400, that is, the accurate positioning of the position of the door body 600 is realized. The whole process can be completed by the control system.

The control system can be similar to the conventional sliding door control system, i.e. it mainly includes a central processing unit (PSC), a local control unit (PSL), a Door Control Unit (DCU), a communication medium, a communication interface and peripheral devices. The central interface Panel (PSC) in turn consists of a Main Monitoring System (MMS), two unit controllers (PEDC), terminals, interface devices and a control and power distribution circuit. The control of the system is divided into local level control, station level control, train signal system level control and fire mode level control. The ground level control is that each movable door module can be independently operated mechanically and electrically; station level control, train signal system level control; the fire mode level control controls the operation of the movable door module through a relay in the PSC, and the emergency exit system is operated in a vehicle control room and only an emergency exit can be opened. The priority is platform level, next fire mode level, and finally train signal system level.

The utility model discloses a magnetic suspension safety sliding door's technical principle mainly according to the basic characteristic of "like one's property is repelled mutually, and opposite sex attracts" of magnet, through installing inhaling magnetic part 300 on stator 210 or the active cell 220 and installing permanent magnetic part 400 on active cell 220 or stator 210, constitutes the module of corresponding magnetism, and the power of mutual attraction about forming inhales the door body 600 and floats aloft. The attraction magnet member 300 and the permanent magnet member 400 are prevented from being attracted to each other by the guide wheel 120 installed in the guide rail 100 and a guiding effect is achieved.

On the one hand, the utility model discloses a magnetic suspension safety sliding door's structure has utilized magnetic attraction to inhale the body 600 and has floated aloft, and guide rail 100 no longer bears or minimum body 600 weight load at the in-process of the body 600 switching of the door to can play the effect of direction, the fault rate has significantly reduced. And simultaneously, the utility model discloses a magnetic suspension safety sliding door is under the structural action of magnetic suspension, and the drive mode adopts linear electric motor 200 to drive, has reduced a large amount of frictions and loss, has reduced mechanical parts's such as motors fault rate. On the other hand, the magnetic suspension safety sliding door is characterized in that the linear motor 200 directly drives the door body 600 to open and close, the mechanical connection part in the middle is reduced, the magnetic suspension safety sliding door has the characteristic of high transmission efficiency, and the safety and the reliability are obviously enhanced. Because the mover 220 is approximately magnetically suspended in the air, the friction resistance and noise of the motion are reduced, lubrication and maintenance are not needed, and the use power of the linear motor 200 is reduced.

Generally, the magnetic suspension safety sliding door has the characteristics of small impact force, uneasy clamping injury, long service life, safety, reliability, energy conservation, environmental protection and the like, and is suitable for a safety shielding door system of a rail transit system platform of a high-speed railway, an urban subway and the like.

The above description is only a preferred embodiment of the present invention, and many changes can be made in the detailed description and the application scope according to the idea of the present invention for those skilled in the art, which all belong to the protection scope of the present invention as long as the changes do not depart from the concept of the present invention.

Claims

1. A magnetically suspended safety sliding door, comprising:

a door body (600);

the linear motor (200) is used for providing power for the door body (600), the linear motor (200) comprises a stator (210) and a rotor (220) which can slide relatively, a gap is formed between the stator (210) and the rotor (220), and the door body (600) is suspended on the rotor (220);

the magnetic rotor comprises a magnetic absorption piece (300) and a permanent magnet piece (400) which can generate mutual attraction force, wherein one of the magnetic absorption piece (300) and the permanent magnet piece (400) is fixedly connected with the stator (210), and the other of the magnetic absorption piece (300) and the permanent magnet piece (400) is fixedly connected with the rotor (220).

2. The magnetic levitation safety sliding door according to claim 1, further comprising: the guide rail (100) is used for guiding the door body (600) to move, and the stator (210) is fixedly installed on the guide rail (100).

3. The magnetic suspension safety sliding door according to claim 2, wherein a guide groove (110) is formed in the guide rail (100) and below the stator (210), a guide wheel (120) is slidably arranged in the guide groove (110), the guide wheel (120) is limited by the guide groove (110) in the vertical direction, and the guide wheel (120), the mover (220) and the door body (600) are fixedly connected together.

4. The magnetic suspension safety sliding door according to claim 3, further comprising a sliding block (500), wherein the guide wheel (120), the rotor (220) and the door body (600) are fixedly connected with the sliding block (500) to form a whole.

5. The magnetic levitation safe sliding door according to claim 4, wherein the magnetic attraction member (300) and the permanent magnet member (400) correspond to each other with a gap, one of them is fixedly installed on the guide rail (100), and the other of them is fixedly installed on the slider (500).

6. The magnetic suspension safety sliding door according to claim 4, wherein the sliding block (500) is in a shape of pi, the door body (600) is vertically fixed at the middle position of the sliding block (500), and an even number of the magnetic absorbing pieces (300) and the permanent magnetic pieces (400) are respectively arranged on two sides of the door body (600) in pairs.

7. The magnetic levitation safety sliding door as recited in claim 4, further comprising a magnet cover (410), wherein the magnet cover (410) is fixedly mounted on the slider (500), and the magnetic attraction member (300) is mounted in the magnet cover (410).

8. The magnetic suspension safety sliding door according to claim 4, further comprising a suspension member (610), wherein two ends of the suspension member (610) are fixedly connected with the sliding block (500) and the door body (600), respectively.

9. The magnetic levitation safety sliding door according to claim 4, wherein the guide rail (100) is n-shaped with a downward opening, and the mover (220), the guide wheel (120) and the slider (500) are wholly or partially accommodated in the guide rail (100).

10. The magnetic levitation safety sliding door according to claim 9, wherein a boss (140) is provided in the guide rail (100), and the boss (140) is clamped below the stator (210) to fix the stator (210).