WO2017028812A1

WO2017028812A1 - Magnetic suspension assembly and magnetic suspension sound box

Info

Publication number: WO2017028812A1
Application number: PCT/CN2016/096022
Authority: WO
Inventors: 张赛波; 谭铃; 刘金锋; 张海星
Original assignee: Tcl通力电子（惠州）有限公司; 深圳原动科技有限公司
Priority date: 2015-08-20
Filing date: 2016-08-19
Publication date: 2017-02-23
Also published as: CN204887401U

Abstract

Disclosed are a magnetic suspension assembly and a magnetic suspension sound box. The magnetic suspension assembly comprises a base, a top cover in opposite arrangement with the base, connecting rods connected with the base and the top cover, a magnetic suspension module arranged on the connecting rods in a sliding way, and a driving device used for driving the magnetic suspension module to move; and the magnetic suspension module is used for providing a magnetic force for to-be-suspended goods, and the driving device drives the magnetic suspension module to move along the connecting rods. In the technical scheme of the present utility model, a magnetic suspension module is driven by a driving device to move towards the direction of a top cover, a suspension balance point can be automatically sought during movement, and to-be-suspended goods can be finally and stably suspended above the top cover.

Description

Magnetic suspension component and magnetic suspension speaker

Technical field

The utility model relates to the technical field of magnetic suspension, in particular to a magnetic suspension component and a magnetic suspension loudspeaker.

Background technique

With the development of magnetic levitation technology, more and more products using magnetic levitation technology appear in people's daily life, such as floating decorations, magnetic levitation small appliances (such as magnetic levitation speakers).

The existing magnetic levitation products generally need to manually find the balance point of the support, but since the balance point is not easy to find, it takes a lot of time to find, especially for the novice, the user experience is very poor.

Utility model content

The main object of the present invention is to provide a magnetic levitation assembly aimed at achieving automatic searching of magnetic levitation balance points.

To achieve the above object, the magnetic levitation module of the present invention comprises a base, a top cover disposed opposite the base, a connecting rod connecting the base and the top cover, and a magnetic levitation module slidably mounted on the connecting rod. And a driving device for driving the movement of the magnetic levitation module; the magnetic levitation module is configured to supply a magnetic force to the item to be suspended, and the driving device drives the magnetic levitation module to move along the connecting rod.

Preferably, the connecting rods are at least two, one end of the connecting rod is fixedly connected with the base, and the other end is fixedly connected with the top cover.

Preferably, the magnetic levitation module comprises a fixing bracket, a magnet mounted on the fixing bracket, a coil mounted on the fixing bracket, a Hall element mounted on the fixing bracket, and a circuit board mounted on the fixing bracket.

Preferably, the driving device includes a nut fixedly mounted on the base, a lead screw rotatably mounted on the main body, and a driving assembly for driving the lead screw to rotate relative to the main body, the fixing bracket Supported at one end of the lead screw away from the nut.

Preferably, the drive assembly includes a drive motor fixedly mounted to the fixed bracket for driving the screw to rotate.

Preferably, the drive assembly further includes a gear assembly coupled between the lead screw and the drive motor.

Preferably, the drive assembly further includes a worm coupled to the rotating shaft of the drive motor and a turbine cooperating with the worm, the turbine meshing with the gear assembly.

Preferably, the gear assembly includes a first gear coaxially coupled to the turbine and a second gear meshing with the first gear, the second gear being fixedly coupled to the lead screw.

Preferably, the end surface of the top cover facing away from the base is provided with a recess for placing the item to be suspended.

The present invention also provides a magnetic levitation speaker, comprising a speaker body and a magnetic levitation assembly disposed under the speaker body, the magnetic levitation assembly comprising a base, a top cover disposed opposite the base, connecting the base and the top a connecting rod, a magnetic levitation module slidably mounted on the connecting rod, and a driving device for driving the movement of the magnetic levitation module; the magnetic levitation module is configured to supply a magnetic force to the item to be suspended, and the driving device drives the The magnetic levitation module moves along the link.

The technical scheme of the utility model drives the magnetic levitation module to move toward the top cover by the driving device, automatically finds the suspension balance point during the moving process, and finally suspends the object to be suspended smoothly. Above the top cover.

DRAWINGS

Figure 1 is a perspective view showing the first state of the magnetic suspension assembly of the present invention;

2 is a schematic perspective view showing the second state of the magnetic suspension assembly of the present invention;

3 is a schematic exploded perspective view of the magnetic suspension assembly of the present invention;

4 is a perspective view showing a perspective view of a driving device of the magnetic levitation assembly of the present invention;

FIG. 5 is a perspective view showing the perspective view of the driving device of the magnetic levitation assembly of the present invention from another perspective.

Description of the reference numerals:

标号Label	名称 name	标号Label		名称name
100100	底座 Base	200200	顶盖 Top cover
300300	连杆 link	400400	磁悬浮模块 Magnetic suspension module
500500	驱动装置 Drive unit	220220	凹槽Groove
420420	固定支架Fixed bracket	440440	磁铁 magnet
460460	线圈Coil	510510	丝母 Silk mother
520520	丝杠Screw	530530	驱动组件 Drive component
531531	驱动电机 motor	533533	齿轮组件 Gear assembly
535535	蜗杆Worm	537537	涡轮 turbine
539539	支撑板 Support plate	532532	第一齿轮 First gear
534534	第二齿轮Second gear

The implementation, functional features and advantages of the present invention will be further described with reference to the accompanying drawings.

detailed description

The technical solution of the present invention will be further described below with reference to the accompanying drawings and specific embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The utility model provides a magnetic levitation assembly, which drives a magnetic levitation module to move toward a top cover by a driving device, automatically finds a floating balance point during the moving process, and finally suspends the object to be suspended smoothly above the top cover.

1 and FIG. 2, FIG. 1 is a perspective structural view of a first state of a magnetic suspension assembly of the present invention; and FIG. 2 is a perspective structural view of a second state of the magnetic suspension assembly of the present invention.

In this embodiment, the magnetic levitation assembly includes a base 100, a top cover 200 disposed opposite the base 100, a connecting rod 300 connecting the base 100 and the top cover 200, and slidingly mounted on the connecting rod 300. a magnetic levitation module 400, and a driving device 500 for driving the magnetic levitation module 400; the magnetic levitation module 400 is configured to supply a magnetic force to an item to be suspended (not shown), and the driving device 500 drives the magnetic levitation module 400 moves along the link 300. When the item to be suspended is to be suspended, the driving device 500 drives the magnetic levitation module 400 to move toward the top cover 200, so that the magnetic force of the item to be suspended placed on the top cover 200 is gradually increased. Large, when the magnetic force is equal to the gravity of the item to be suspended, the item to be suspended is suspended above the top cover 200. In operation, the magnetic levitation module 400 is first driven to a position close to the base 100 by the driving device 500 (as shown in FIG. 2 ), and then the item to be suspended is placed on the top cover 200. The magnetic levitation module 400 is then driven to move in the direction of the top cover 200 by the driving device 500. During the moving process, the magnetic force to be suspended by the magnetic levitation module 400 is reduced by the distance between the two. Smallly increasing, when the amount of magnetic force provided by the magnetic suspension module 400 to be suspended is equal to the size of the item to be suspended During gravity (ie, a suspension balance point), the item to be suspended is in a suspended state; the magnetic levitation module 400 continues to move toward the top cover 200, and the item to be suspended may face away from the magnetic force The direction of the top cover 200 is moved, and when the magnetic levitation module 400 is moved into contact with the top cover 200 (as shown in FIG. 1), the items to be suspended are smoothly suspended directly above the top cover 200. The magnetic levitation module of the present invention drives the magnetic levitation module 400 to move toward the top cover 200 by the driving device 500, automatically finds the suspension balance point during the moving process, and finally suspends the object to be suspended smoothly above the top cover 200. The magnetic suspension component of the utility model is simple and convenient to operate, and greatly improves the convenience of use.

Specifically, the end surface of the top cover 200 facing away from the base 100 is provided with a recess 220 for placing the article, and the object to be suspended is placed in the recess 220. The distance between the top cover 200 and the base 100 can be set according to the weight of the item to be suspended, the magnetic force of the magnetic levitation module 400, and the distance over which the item to be suspended is suspended above the top cover 200, and is not Affect the technical effects of the present invention.

Further, as shown in FIG. 3, in the embodiment, the connecting rods 300 are at least two, and one end of the connecting rod 300 is fixedly connected to the base 100, and the other end is fixedly connected to the top cover 200. The magnetic levitation module 400 is sleeved on the connecting rod 300 between the base 100 and the top cover 200. When the magnetic levitation module 400 is moved by the base 100 toward the top cover 200, The connecting rod 300 is used to guide the movement of the magnetic levitation module 400 to ensure the smoothness of the movement of the magnetic levitation module 400, thereby ensuring a smooth suspension of the items to be suspended.

Further, as shown in FIG. 3 , the magnetic levitation module 400 includes a fixing bracket 420 , a magnet 440 mounted on the fixing bracket 420 , and a coil 460 mounted on the fixing bracket 420 . A Hall element 480 mounted on the fixing bracket and a circuit board (not shown) mounted on the fixing bracket 420. Specifically, in the embodiment, the coils 460 are four and are evenly distributed on the periphery of the Hall element 480, and the Hall element 480 checks the strength and variation of the magnetic field at the magnetic center and the suspended object. When there is a slight deviation in the center, the magnetic field may change. At this time, the Hall element 480 feeds back the detection signal to the circuit board, and the coil 460 is powered by the control of the circuit board, so that the coil 460 respectively generates different magnetic fields. , thereby correcting the magnetic center of the entire magnetic field to ensure the stability of the suspension.

Further, the shape of the magnetic levitation module 400 matches the shape of the groove 220 on the top cover 200 to ensure the magnetic center of the magnetic levitation module 400 and the suspended articles placed in the groove 220. The center of gravity is on the same vertical line to further ensure the stability of the suspension.

Further, as shown in FIG. 3 to FIG. 5, the driving device 500 includes a nut 510 fixedly mounted on the base 100, a screw 520 rotatably mounted on the nut 510, and the lead screw being driven. The fixing bracket 420 is supported by the driving assembly 530 of the spindle 510, and the fixing bracket 420 is supported at an end of the screw 520 away from the thread 510. The driving assembly 530 includes a driving motor 531 fixedly mounted on the fixing bracket 420 for driving the rotation of the lead screw 520. The drive assembly 530 also includes a gear assembly 533 coupled between the lead screw 520 and the drive motor 531. The drive assembly 530 further includes a worm 535 coupled to the rotating shaft of the drive motor 531 and a turbine 537 mated with the worm 535 that meshes with the gear assembly 533. Specifically, in the embodiment, the driving motor 531 is fixedly mounted on the support plate 539, and the rotating shaft of the driving motor 531 is horizontally disposed, and the worm 535 is also horizontally disposed and connected to the rotating drive. The turbine 537 is meshed with the worm 535, and the gear assembly 533 includes a first gear 532 coaxially coupled to the turbine 537 and meshing with the first gear 532 a second gear 534, the second gear 534 is fixedly connected to the lead screw 520, and when the driving motor 531 drives the worm 535 to rotate, the turbine 537 and the first coaxial connection with the turbine 537 The gear 532 rotates at the same time, and the second gear 534 rotates under the driving of the first gear 532, thereby driving the screw 520 to rotate. Since the nut 510 is fixedly mounted on the base 100, when When the lead screw 520 rotates relative to the nut 510, the lead screw 520 also moves in the vertical direction, thereby driving the magnetic levitation module 400.

It should be noted that the above description of the specific structure of the driving device 500 is only for the purpose of more clearly illustrating the present invention, and is not intended to limit the present invention. Other similar driving can drive the screw 520 to rotate. The driving structure can also achieve the above technical effects. For example, the above-mentioned technical effects can be achieved by driving the motor 531 to directly drive the screw 520 to rotate, or driving the worm gear 535 by the driving motor 531, and then driving the screw 520 to rotate by the worm gear 535.

The present invention also provides a magnetic levitation speaker, comprising a speaker body and a magnetic levitation module disposed under the speaker body. The specific structure of the magnetic levitation module refers to the above embodiment, and the magnetic levitation speaker of the present invention adopts all the above embodiments. All the technical solutions, and therefore all the beneficial effects brought about by the technical solutions of the above embodiments, will not be further described herein.

It should be noted that the technical solutions of the various embodiments of the present invention may be combined with each other, but must be based on the realization of those skilled in the art, and should be considered when the combination of technical solutions is contradictory or impossible to implement. The combination of the solutions does not exist and is not within the scope of protection required by the present invention.

The above description is only a preferred embodiment of the present invention, and thus does not limit the scope of the patent of the present invention, and the equivalent structural transformation made by using the specification and the contents of the drawing of the present invention, or straight It is also within the scope of patent protection of the present invention to be used in conjunction with other indirect technical fields.

Claims

A magnetic levitation assembly, comprising: a base, a top cover disposed opposite the base, a connecting rod connecting the base and the top cover, a magnetic levitation module slidably mounted on the connecting rod, and a driving device that drives the movement of the magnetic levitation module; the magnetic levitation module is configured to supply a magnetic force to the item to be suspended, and the driving device drives the magnetic levitation module to move along the connecting rod.
The magnetic levitation assembly of claim 1 wherein said links are at least two, one end of said link being fixedly coupled to said base and the other end being fixedly coupled to said top cover.
The magnetic levitation module according to claim 1, wherein the magnetic levitation module comprises a fixing bracket, a magnet mounted on the fixing bracket, a coil mounted on the fixing bracket, and a mounting on the fixing bracket. a Hall element and a circuit board mounted on the fixing bracket.
A magnetic levitation assembly according to claim 3, wherein said driving means comprises a nut fixedly mounted on said base, a lead screw rotatably mounted on said main body, and said drive screw being driven relative to said a drive assembly for rotating the nut, the fixing bracket being supported at an end of the lead screw away from the nut.
A magnetic levitation assembly according to claim 4, wherein said drive assembly includes a drive motor fixedly mounted to said fixed bracket for driving said screw.
The magnetic levitation assembly of claim 5 wherein said drive assembly further comprises a gear assembly coupled between said lead screw and said drive motor.
A magnetic levitation assembly according to claim 6 wherein said drive assembly further comprises a worm coupled to the rotating shaft of said drive motor and a turbine cooperating with said worm, said turbine meshing with said gear assembly.
The magnetic levitation assembly of claim 7 wherein said gear assembly includes a first gear coaxially coupled to said turbine and a second gear engaged with said first gear, said second gear The screw is fixedly connected.
The magnetic levitation assembly according to claim 1, wherein a recess of the top cover facing away from the base is provided with a recess for placing the item to be suspended.
A magnetic levitation speaker, comprising: a speaker body and being disposed on A magnetic levitation assembly under the speaker body, the magnetic levitation assembly being the magnetic levitation assembly of any one of claims 1 to 9.