Side-mounted magnetic suspension automatic door motor

By using a side-mounted magnetic levitation automatic door motor, utilizing a suspension frame and magnetic levitation moving rail assembly, the transmission device is eliminated. Combining linear motors and magnetic levitation technology, the limitations of bottom-mounted methods are overcome, achieving efficient, stable, low-noise, and intelligent automatic door drive, suitable for high-end venues.

CN223608380UActive Publication Date: 2025-11-28HENAN LIANTONGCHUANG INTELLIGENT TECH CO LTD
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Patent Information

Application Number
CN202423042589.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-10
Publication Date
2025-11-28
Estimated Expiration
2034-12-10

AI Technical Summary

Technical Problem

Existing linear motor driven automatic door systems mostly adopt bottom mounting, which cannot meet the needs of special application scenarios where it is necessary to keep the ground flat and aesthetically pleasing or where the space below the ground is limited. In addition, the transmission device causes energy loss and noise problems.

Method used

The side-mounted magnetic levitation automatic door motor utilizes a suspension frame and magnetic levitation moving rail assembly to eliminate the need for separate tray suction cups, achieving continuous cyclic tray distribution. Combining linear motors and magnetic levitation technology, the transmission mechanism is eliminated, improving stability and efficiency.

Benefits of technology

It achieves efficient and smooth door movement, reduces noise, extends equipment life, has a compact structure, is easy to install, and features intelligent control and energy-saving and environmentally friendly characteristics, making it suitable for automatic door systems in high-end venues.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a side-mounted magnetic suspension automatic door motor, which relates to the technical application field of linear motors and comprises a suspension frame, a magnetic suspension movable rail assembly is movably arranged on one side of the suspension frame, a door and window mounting part is arranged at the bottom of the magnetic suspension movable rail assembly, and a motor groove and a movable rail groove are sequentially arranged on the suspension frame from top to bottom. A cover plate is arranged on the side, corresponding to an opening, of the suspension frame, a movable rail wheel is rotationally arranged on one side of the magnetic suspension movable rail assembly, a sliding rail is arranged at the position, corresponding to the movable rail wheel, of the suspension frame, a linear motor is arranged in a motor groove, a door and window are installed on the door and window installation part, and a permanent magnet set is arranged on the magnetic suspension movable rail assembly. A linear driving motor is arranged in the motor groove and corresponds to the position over the permanent magnet set, and the magnetic suspension movable rail assembly is driven by the linear driving motor to move transversely.
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Description

TECHNICAL FIELD

[0001] The utility model relates to linear motor application technical field especially relates to a side installation magnetic suspension automatic door motor. BACKGROUND

[0002] In modern architectural design, automatic door systems are widely used due to their convenience, aesthetics, and efficiency. Traditional automatic door motors mostly use rotary motors to drive the opening and closing of the door leaf through transmission devices. Although this method is mature in technology, it has certain limitations in terms of running stability, noise control, and energy efficiency. Especially in high-end places such as hotels, office buildings, shopping centers, etc., the requirements for automatic door systems are more stringent. Not only does it require smooth and rapid opening and closing of the door leaf, but it also requires extremely low noise and high energy efficiency.

[0003] With the progress of science and technology, linear motor technology has gradually emerged and shown its unique advantages in many fields. Linear motors can directly convert electrical energy into linear motion without the need for intermediate transmission devices, greatly improving the running efficiency and stability of the system. In addition, linear motors also have the advantages of simple structure, low noise, and easy maintenance, making them very suitable for driving automatic door systems.

[0004] However, existing automatic door systems driven by linear motors mostly use bottom installation, i.e., the motor and transmission device are installed under the ground or door sill. This installation method meets the basic functional requirements of automatic doors to some extent, but in some special application scenarios, such as the need to maintain a flat and beautiful floor, or limited space under the floor to install the motor and transmission device, it is not satisfactory. SUMMARY

[0005] The utility model aims at overcoming the problems in the prior art and provides a side installation magnetic suspension automatic door motor. With the above equipment, the split support suction cup is cancelled, continuous circulation type split support can be realized, split support efficiency is improved, and compared with the original reciprocating linear split support design, the stability is higher.

[0006] The utility model discloses a kind of side-mounted magnetic levitation automatic door motors, including suspension bracket, the suspension bracket one side movably provided with magnetic levitation dynamic rail assembly, the magnetic levitation dynamic rail assembly bottom is provided with door and window mounting piece, motor groove is sequentially provided with dynamic rail groove from top to bottom on the suspension bracket, the suspension bracket is provided with cover plate on the side corresponding opening, the one side of magnetic levitation dynamic rail assembly is rotatably provided with dynamic rail wheel, the sliding track is provided with in the position of dynamic rail wheel on the suspension bracket, linear motor is provided in the motor groove, door and window are installed on the door and window mounting piece, permanent magnet group is provided on the magnetic levitation dynamic rail assembly, linear drive motor is provided in the position of permanent magnet group position directly above in the motor groove, magnetic levitation dynamic rail assembly is driven to realize horizontal displacement under linear drive motor.

[0007] In order to further optimize the utility model, the following technical solutions can be preferred:

[0008] Preferably, the cover plate top is provided with a clamping groove, the suspension bracket is provided with a protruding part corresponding to the position of the cover plate, and the lower end of the cover plate is movably connected to the magnetic levitation dynamic rail assembly.

[0009] Preferably, the magnetic levitation dynamic rail assembly includes a dynamic rail body, a fixed iron plate is provided on the dynamic rail body corresponding to the position of the permanent magnet group, a first clamping groove is formed on the top of the dynamic rail body along the length direction, the fixed iron plate is arranged in the first clamping groove, and the permanent magnet group is arranged on the outer surface of the fixed iron plate by adsorption. The permanent magnet group includes N and S staggered arranged permanent magnet blocks.

[0010] Preferably, the linear drive motor includes a housing, and a linear motor is symmetrically arranged in the housing. The linear motor includes a stator framework, a silicon steel sheet assembly, a coil assembly, and a Hall sensor. An installation groove for installing the Hall sensor and the silicon steel sheet assembly is formed on the stator framework. The silicon steel sheet assembly is arranged in the installation groove. The silicon steel sheet assembly is uniformly provided with installation teeth along the direction of the moving body horizontal displacement. The coil assembly is sequentially sleeved on the installation teeth.

[0011] Preferably, the coil assembly includes a coil framework, and a coil is wound on the coil framework. The two ends of the stator framework are provided with a clamping groove and a protrusion that cooperate with each other. Adjacent two stator frameworks are spliced with each other through the clamping groove and the protrusion.

[0012] Preferably, the silicon steel sheet assembly includes a plurality of silicon steel sheet units that are spliced with each other. The two ends of adjacent two silicon steel sheet units are respectively provided with dovetail grooves and dovetail protrusions.

[0013] Preferably, the sliding rail comprises oppositely arranged first and second rails, the first rail is arranged above the moving rail wheel, the second rail is arranged below the moving rail wheel, the first rail is integrally formed with the suspension frame, and the suspension frame is provided with a rail clamping groove corresponding to the position of the second rail.

[0014] The utility model discloses a kind of side-mounted magnetic levitation automatic door motors, and the beneficial effects mainly embodied in the following several aspects:

[0015] (1) efficient and stable driving performance: through the application of linear motor, the side-mounted magnetic levitation automatic door motor can realize efficient and stable horizontal movement of door leaf. Linear motor directly acts on the permanent magnet group on the magnetic levitation moving rail assembly, without the need for traditional transmission mechanism, thereby reducing energy loss and mechanical wear, improving the overall efficiency and stability of the system.

[0016] (2) application of magnetic levitation technology: the application of magnetic levitation technology enables the moving rail assembly to operate in an almost frictionless environment, which not only greatly reduces operating noise, but also prolongs the service life of the equipment. At the same time, the magnetic levitation technology also improves the motion accuracy and stability of the door leaf, making the opening and closing action of the door more smooth and natural.

[0017] (3) compact structure, easy to install: the design of the motor adopts a suspension frame structure, integrating the motor slot, moving rail slot and other components into one, making the overall structure compact and aesthetically pleasing. In addition, the side-mounted installation method not only saves space, but also simplifies the installation process, reducing installation difficulty and cost.

[0018] (4) intelligent control: as linear motor is easy to integrate with intelligent control system, the side-mounted magnetic levitation automatic door motor can easily realize intelligent control. For example, the opening and closing speed of the door, delay closing and other functions can be set according to actual needs, improving the convenience and comfort of use.

[0019] (5) energy saving and environmental protection: due to the high efficiency of linear motor and the low friction characteristics of magnetic levitation technology, the motor has low energy consumption during operation, which meets the current energy saving and environmental protection trend. At the same time, reduced mechanical wear and noise emission also help to improve the working environment and protect the environment.

[0020] In summary, the utility model discloses a kind of side-mounted magnetic levitation automatic door motors, with efficient and stable, low noise, long service life, compact structure, easy to install, intelligent control and energy saving and environmental protection and other beneficial effects, providing a new technical solution for the automatic door field. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the structure diagram of side-mounted magnetic levitation automatic door motor in the embodiment;

[0022] Figure 2 Figure 4 is a side view of a magnetic levitation automatic door motor according to the present embodiment;

[0023] Figure 3 Figure 5 is a schematic diagram of the overall structure of a linear drive motor;

[0024] Figure 4 Figure 6 is a schematic diagram of the overall structure of a silicon steel sheet assembly;

[0025] Figure 5 Figure 7 is a schematic diagram of the structure of a silicon steel sheet.

[0026] Wherein:

[0027] 1 - suspension bracket; 2 - magnetic levitation rail assembly; 3 - door and window mounting; 4 - motor slot; 5 - moving rail slot; 6 - cover plate; 7 - linear drive motor; 8 - door leaf; 9 - cleaning brush; 10 - stator frame; 11 - silicon steel sheet assembly; 12 - coil assembly; 13 - linear Hall sensor; 14 - silicon steel sheet unit; 15 - coil frame; 16 - mounting tooth; 17 - arch area; 18 - dovetail groove; 19 - dovetail type protrusion; 20 - silicon steel sheet; 21 - moving rail body; 22 - first rail; 23 - second rail; 24 - moving rail wheel; 25 - first clamping groove; 26 - permanent magnet group; 30 - clamping groove, 31 - protrusion. DETAILED DESCRIPTION

[0028] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "provided", "mounted", "connected", "linked" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0029] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0030] Embodiment 1

[0031] As Figures 1-5As shown, a side-mounted magnetic suspension automatic door motor includes a suspension frame 1, a magnetic suspension moving rail assembly 2 movably mounted on one side of the suspension frame 1, a door / window mounting piece 3 mounted at the bottom of the magnetic suspension moving rail assembly 2, a motor slot 4 and a moving rail slot 5 mounted on the suspension frame from top to bottom, a cover plate 6 mounted on the side of the suspension frame corresponding to the opening, a moving rail wheel 24 rotatably mounted on one side of the magnetic suspension moving rail assembly, a sliding rail mounted on the suspension frame corresponding to the position of the moving rail wheel, a linear motor mounted in the motor slot, a door leaf 8 mounted at the bottom of the magnetic suspension moving rail assembly, a permanent magnet group mounted on the magnetic suspension moving rail assembly, a linear drive motor mounted in the motor slot corresponding to the position of the permanent magnet group, and the magnetic suspension moving rail assembly is driven to move horizontally by the linear drive motor.

[0032] The cover plate 6 has a second clamping groove 27 mounted on the top, the suspension frame has a protruding part 28 mounted corresponding to the position of the cover plate, and the protruding part 28 cooperates with the second clamping groove; the lower end of the cover plate is movably lapped on the magnetic suspension moving rail assembly, and a cleaning brush 9 is mounted on the inner wall of the lower end of the cover plate; by setting the clamping groove on the top of the cover plate and cooperating with the protruding part on the suspension frame, the cover plate can be firmly fixed on the suspension frame during installation, and is not easy to loosen or fall off. This stable installation structure not only improves the stability of the whole system, but also ensures that the door leaf will not produce noise or affect the running accuracy when running due to the shaking of the cover plate. The existence of the cleaning brush can also effectively prevent dust and debris from entering the inside of the magnetic suspension moving rail assembly, avoiding damage to the internal parts or affecting the normal operation of the system. Therefore, this design helps to improve the reliability and stability of the whole system, ensuring that the door leaf can run stably for a long time.

[0033] The magnetic suspension moving rail assembly includes a moving rail body 21, a fixed iron plate mounted on the moving rail body 21 corresponding to the position of the permanent magnet group, a first clamping groove 25 opened along the length direction on the top of the moving rail body, the fixed iron plate mounted in the first clamping groove, the permanent magnet group 26 adsorbed and mounted on the outer surface of the fixed iron plate, and the permanent magnet group including N and S staggered arranged permanent magnet blocks. Cooperate with the external change magnetic field to realize the movement of the moving rail body; use a specific fixed iron plate to fix the magnet piece, which is convenient for installation and maintenance.

[0034] The linear drive motor 7 comprises a plurality of stator drive motor assemblies installed in series along the transverse direction, and the magnetic suspension moving rail assembly continuously moves transversely under the drive of the plurality of series stator drive motor assemblies; the continuous long-distance drive by the plurality of series stator drive motor assemblies can be applied to the reciprocating motion of a large-span moving body, and the vibration and noise are low during transmission; the linear drive motor comprises a shell, and a linear motor is installed in the shell; the linear motor comprises a stator framework 10, a silicon steel sheet assembly 11, a coil assembly 12 and a Hall sensor 13; the stator framework 10 is provided with mounting grooves for mounting the Hall sensor and the silicon steel sheet assembly; the silicon steel sheet assembly is mounted in the mounting grooves; the silicon steel sheet assembly is uniformly provided with mounting teeth 16 along the transverse direction of the moving body; and the coil assembly is sequentially sleeved on the mounting teeth 16; the coil assembly comprises a coil framework 15, and the coil framework is provided with a coil; the silicon steel sheet assembly 11 comprises a plurality of silicon steel sheet units 14 spliced with each other; the two ends of the adjacent two silicon steel sheet units 14 are respectively provided with dovetail grooves 18 and dovetail protrusions 19; the silicon steel sheet unit comprises a plurality of silicon steel sheets 20 stacked with each other; the silicon steel sheet 20 is in an E shape; the silicon steel sheet is provided with a plurality of arching areas 17 facilitating stacking on the plate surface; the arching areas are bent by the material of the silicon steel sheet; the silicon steel sheet assembly with the special splicing design facilitates installation and later maintenance and replacement; and the two ends of the stator framework are provided with a clamping groove 30 and a protrusion 31 matched with each other; the adjacent two stator frameworks are spliced with each other through the clamping groove and the protrusion, so that a proper number of stator drive motor assemblies can be spliced according to the driving distance.

[0035] The sliding rail comprises a first rail 22 and a second rail 23 installed oppositely; the first rail is installed above the moving rail wheel, and the second rail is installed below the moving rail wheel; the first rail is integrally formed with the suspension bracket; and the suspension bracket is provided with a rail clamping groove corresponding to the position of the second rail.

[0036] Finally, it should be noted that: the above is only the preferred embodiment of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A side-mounted magnetic levitation automatic door motor, comprising a suspension frame, characterized in that: A magnetic levitation track assembly is movably mounted on one side of the suspension frame. A door / window mounting component is installed at the bottom of the magnetic levitation track assembly. A motor slot and a track slot are arranged sequentially from top to bottom on the suspension frame. A cover plate is installed on the side of the suspension frame corresponding to the opening. A track wheel is rotatably mounted on one side of the magnetic levitation track assembly. A sliding track is provided on the suspension frame corresponding to the position of the track wheel. A linear motor is installed in the motor slot. A door / window is installed on the door / window mounting component. A permanent magnet group is installed on the magnetic levitation track assembly. A linear drive motor is located directly above the permanent magnet group in the motor slot. The magnetic levitation track assembly moves laterally under the drive of the linear drive motor.

2. The side-mounted magnetic levitation automatic door motor according to claim 1, characterized in that: The top of the cover plate is provided with a slot, the suspension frame is provided with a protrusion corresponding to the position of the cover plate, the lower end of the cover plate is movably connected to the magnetic levitation track assembly, and a cleaning brush is provided on the inner side wall of the lower end of the cover plate.

3. The side-mounted magnetic levitation automatic door motor according to claim 1, characterized in that: The magnetic levitation moving track assembly includes a moving track body, on which a fixed iron plate is provided at the installation position corresponding to the permanent magnet assembly. A first slot is opened on the top of the moving track body along the length direction, and the fixed iron plate is placed in the first slot. The permanent magnet assembly is adsorbed and placed on the outer surface of the fixed iron plate. The permanent magnet assembly includes permanent magnet blocks with N and S arranged alternately.

4. The side-mounted magnetic levitation automatic door motor according to claim 1, characterized in that: The linear drive motor includes a housing, and linear motors are symmetrically arranged inside the housing. The linear motor includes a stator frame, a silicon steel sheet assembly, a coil assembly, and a Hall sensor. The stator frame has mounting slots for mounting the Hall sensor and the silicon steel sheet assembly. The silicon steel sheet assembly is disposed in the mounting slots. Mounting teeth are evenly distributed on the silicon steel sheet assembly along the transverse direction of the moving body. The coil assembly is sequentially sleeved on the mounting teeth.

5. A side-mounted magnetic levitation automatic door motor according to claim 4, characterized in that: The coil assembly includes a coil frame on which a coil is wound; the two ends of the stator frame are provided with mutually cooperating slots and protrusions, and adjacent stator frames are spliced ​​together by the slots and protrusions.

6. A side-mounted magnetic levitation automatic door motor according to claim 4, characterized in that: The silicon steel sheet assembly includes multiple silicon steel sheet units spliced ​​together, with dovetail grooves and dovetail protrusions respectively provided at both ends of two adjacent silicon steel sheet units.

7. A side-mounted magnetic levitation automatic door motor according to claim 1, characterized in that: The sliding track includes a first track and a second track arranged opposite to each other. The first track is located above the moving track wheel, and the second track is located below the moving track wheel. The first track is integrally formed with the suspension frame, and a track slot is provided on the suspension frame corresponding to the position of the second track.