CN215450691U - Magnetic suspension display screen - Google Patents

Magnetic suspension display screen Download PDF

Info

Publication number
CN215450691U
CN215450691U CN202120768650.6U CN202120768650U CN215450691U CN 215450691 U CN215450691 U CN 215450691U CN 202120768650 U CN202120768650 U CN 202120768650U CN 215450691 U CN215450691 U CN 215450691U
Authority
CN
China
Prior art keywords
module
display screen
magnetic
suspension
base
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202120768650.6U
Other languages
Chinese (zh)
Inventor
黄涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhongshan Matisi Photoelectric Technology Co ltd
Original Assignee
Zhongshan Matisi Photoelectric Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhongshan Matisi Photoelectric Technology Co ltd filed Critical Zhongshan Matisi Photoelectric Technology Co ltd
Priority to CN202120768650.6U priority Critical patent/CN215450691U/en
Application granted granted Critical
Publication of CN215450691U publication Critical patent/CN215450691U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The utility model discloses a magnetic suspension display screen which comprises a display screen module, a base and a magnetic suspension module, wherein the base is provided with an energy storage module, the magnetic suspension module is arranged between the display screen module and the base, the energy storage module is electrically connected with the magnetic suspension module to supply power to the magnetic suspension module, and the magnetic suspension module can drive the display screen module to suspend relative to the base. The energy storage module can continue to supply power when external power supply can not supply power for the display screen module keeps the suspended state, prevents that display screen or base are unexpected impaired.

Description

Magnetic suspension display screen
Technical Field
The utility model relates to the field of display screens, in particular to a magnetic suspension display screen.
Background
With the continuous development of technology, display screens have undergone many changes. Nowadays, there are some display screens to be the magnetic suspension display screen, and these magnetic suspension display screens mainly include display screen module, base and magnetic suspension module, and the magnetic suspension module sets up respectively on display screen module and base so that the display screen module can suspend for the base. However, the display screen module relies on the electromagnetic force to realize for the base suspension, if the situation that has a power failure appears, the electromagnetic force will disappear, and the display screen module will not keep the suspended state, can sink to and the base bumps, so probably damage base and display screen module.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve one of the prior technical problems, and therefore, the utility model provides a magnetic suspension display screen.
The magnetic suspension display screen comprises a display screen module, a base and a magnetic suspension module, wherein the base is provided with an energy storage module, the magnetic suspension module is arranged between the display screen module and the base, the energy storage module is electrically connected with the magnetic suspension module to supply power to the magnetic suspension module, and the magnetic suspension module can drive the display screen module to suspend relative to the base.
The magnetic suspension display screen has the following beneficial effects:
when the external power supply can supply power to the magnetic suspension display screen, the energy storage module is in a standby state, and the normal power supply of the external power supply cannot be influenced; when the external power supply can not supply power to the magnetic suspension display screen, the energy storage module can replace the external power supply to continuously supply power to the magnetic suspension module, so that the display screen module keeps a suspension state, and the display screen module is prevented from accidentally sinking due to lack of power supply to damage the display screen module or the base.
According to some embodiments of the present invention, the portable electronic device further comprises a charging module disposed on the base, and the charging module can be electrically connected to an external power source and the energy storage module respectively to charge the energy storage module.
According to some embodiments of the present invention, the magnetic suspension device further includes a control module and an electric quantity detection module, which are disposed on the base, wherein the control module is electrically connected to the magnetic suspension module, and the electric quantity detection module is electrically connected to the energy storage module and the control module, respectively.
According to some embodiments of the present invention, the portable electronic device further comprises an alarm module disposed on the base, and the alarm module is electrically connected to the control module.
According to some embodiments of the present invention, the magnetic suspension module includes a suspension driving assembly disposed between the display screen module and the base, and the suspension driving assembly is electrically connected to the energy storage module and the control module respectively to enable the display screen module to be suspended relative to the base.
According to some embodiments of the present invention, the suspension driving assembly includes a first magnetic block and a suspension driving coil, the first magnetic block is disposed on the display screen module, the suspension driving coil is disposed on the base, the suspension driving coil is electrically connected to the energy storage module and the control module, respectively, and the suspension driving coil is capable of generating a magnetic field to drive the first magnetic block to depart from the suspension driving coil so as to suspend the display screen module relative to the base.
According to some embodiments of the present invention, the magnetic suspension module further includes a moving driving assembly, a guide rail is disposed on the base, the moving driving assembly is disposed between the display screen module and the guide rail, and the moving driving assembly can drive the display screen module to move along the guide rail.
According to some embodiments of the present invention, the moving driving assembly includes a plurality of second magnetic blocks and a plurality of moving driving coils, the plurality of second magnetic blocks are disposed on the display screen module, the plurality of moving driving coils are disposed along a length direction of the guide rail, the moving drive coils are electrically connected with the energy storage module, the control module is electrically connected with the moving drive coils to control one of the two adjacent moving drive coils to generate a magnetic field with a polarity different from that of the second magnetic block between the two adjacent moving drive coils, and the other to generate a magnetic field with a polarity identical to that of the second magnetic block between the two adjacent moving drive coils, the second magnetic block positioned between two adjacent moving driving coils is driven to move, so that the display screen module moves along the guide rail.
According to some embodiments of the present invention, the display screen module is provided with a limiting member, and the limiting member can contact with the guide rail to prevent the display screen module from moving away from the guide rail.
According to some embodiments of the utility model, a cushion is provided on the rail.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a structural diagram of a magnetic suspension display screen according to the present invention;
FIG. 2 is a diagram of a display module;
FIG. 3 is a block diagram of a base;
FIG. 4 is a sectional view showing the internal structure of the susceptor;
FIG. 5 is a schematic diagram of the display screen module suspended on the base;
FIG. 6 is a schematic diagram of the movement of the display module on the base;
fig. 7 is a frame diagram of the magnetic suspension display screen of the utility model.
Reference numerals:
the display screen module comprises a display screen module 1, a base 2, a limiting member 21, a buffer pad 22, an energy storage module 3, a magnetic suspension module 4, a suspension driving assembly 41, a first magnetic block 411, a suspension driving coil 412, a movement driving assembly 42, a second magnetic block 421, a movement driving coil 422, a charging module 5, a control module 6, an electric quantity detection module 7, a warning module 8 and a guide rail 9.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the positional or orientational descriptions referred to, for example, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., are based on the positional or orientational relationships shown in the drawings and are for convenience of description and simplicity of description only, and do not indicate or imply that the sandbags or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
According to the magnetic suspension display screen disclosed by the utility model, as shown in fig. 1-4, the magnetic suspension display screen comprises a display screen module 1, a base 2 and a magnetic suspension module 4, wherein the base is provided with an energy storage module 3, the magnetic suspension module 4 is arranged between the display screen module 1 and the base 2, the energy storage module 3 is electrically connected with the magnetic suspension module 4 to supply power to the magnetic suspension module 4, and the magnetic suspension module 4 can drive the display screen module 1 to suspend relative to the base 2.
When the external power supply can supply power to the magnetic suspension display screen, the energy storage module 3 is in a standby state, and the normal power supply of the external power supply cannot be influenced; when the external power supply can not supply power to the magnetic suspension display screen, the energy storage module 3 can replace the external power supply to continuously supply power to the magnetic suspension module 4, so that the display screen module 1 keeps a suspension state, and the display screen module 1 or the base 2 is prevented from being damaged due to accidental sinking caused by lack of power supply of the display screen module 1.
Specifically, in one embodiment of the present invention, a power management circuit is disposed in the base 2, a management chip is disposed in the power management circuit, and the power management circuit has a first input terminal, a second input terminal, a first output terminal, and a second output terminal, the first input terminal is connected to an external power source, the second input terminal is connected to the output terminal of the energy storage module 3, the first output terminal is connected to the magnetic levitation module 4, the second output terminal is connected to the input terminal of the energy storage module 3, when the external power source can supply power, the management chip controls the first input terminal to be connected to the first output terminal and the second output terminal, and simultaneously closes the second input terminal, when the external power source supplies power to the magnetic levitation module 4, the energy storage module 3 is charged, when the external power source cannot supply power, the management chip controls the second input terminal to be connected to the first output terminal, and simultaneously, the first input end and the second output end are closed, and the energy storage module 3 supplies power to the magnetic suspension module 4. In addition, the display screen module 1 and the base 2 may be cylindrical or rectangular. The magnetic levitation module 4 generally comprises an electromagnet, and preferably, the electromagnet in the magnetic levitation module 4 can be a superconducting electromagnet which has no resistance and no joule energy consumption, once a current is applied, the current is always kept, and the generated magnetic field is also kept under the condition that the external force does not work. The energy storage module 3 generally includes a storage battery, which may be a lithium battery, a nickel-chromium battery, a nickel-hydrogen battery, or the like. The battery is generally arranged in the base 2, the whole volume of the base 2 cannot be increased, and the battery can be prevented from being accidentally and physically damaged.
In some embodiments of the present invention, as shown in fig. 1, fig. 3, and fig. 4, the present invention further includes a charging module 5 disposed on the base 2, wherein the charging module 5 can be electrically connected to an external power source and the energy storage module 3 respectively to charge the energy storage module 3.
Specifically, the charging module 5 generally includes a charging interface, which may be a USB interface or other types of charging interfaces such as a "pin" interface, preferably, the charging interface is generally a "pin" interface, and the energy storage module 3 is generally electrically connected to the indoor single-phase power through the "pin" interface, so as to achieve the purpose of charging the energy storage module 3.
In some embodiments of the present invention, as shown in fig. 1, 4, and 7, the magnetic suspension device further includes a control module 6 and an electric quantity detection module 7, wherein the control module 6 is electrically connected to the energy storage module 3 and the control module 6 respectively.
In particular, the control module 6 may comprise a programmable logic controller, and may also comprise a micro control unit. The control module 6 and the magnetic suspension module 4 are electrically connected to change the magnitude and direction of the current in the magnetic suspension module 4, and further change the intensity and direction of the magnetic field generated by the electromagnetic module 6, so as to maintain the suspension state of the display screen module 1 on the base 2. In addition, the electric quantity detection module 7 can detect the energy storage module 3 and acquire the electric quantity information of the energy storage module 3, then transmit the acquired electric quantity information to the control module 6, and the control module 6 can control corresponding components to work according to the received electric quantity information.
In some embodiments of the present invention, as shown in fig. 1 and 7, the present invention further includes an alarm module 8 disposed on the base 2, wherein the alarm module 8 is electrically connected to the control module 6.
Specifically, warning module 8 can include a speaker, also can include a bee calling organ, the maintainer can set for the contrast value of an electric quantity size in control module 6 in advance, control module 6 receives actual electric quantity size information after, can compare actual electric quantity size and the contrast value of predetermined electric quantity size, if actual electric quantity size is less than the contrast value of predetermined electric quantity size, control module 6 then can control warning module 8 and make a sound, if actual electric quantity size is greater than the contrast value of predetermined electric quantity size, control module 6 then can not control warning module 8 and make a sound. When lacking the external power supply, energy storage module 3 may lead to energy storage module 3 electric quantity not enough to the long-time power supply of magnetic suspension module 4, and control module 6 can control warning module 8 to make a sound when energy storage module 3's electric quantity is lower and remind maintainer in time to charge to energy storage module 3.
In some embodiments of the present invention, as shown in fig. 5, the magnetic suspension module 4 includes a suspension driving assembly 41, the suspension driving assembly 41 is disposed between the display screen module 1 and the base 2, and the suspension driving assembly 41 is electrically connected to the energy storage module 3 and the control module 6 respectively to enable the display screen module 1 to suspend relative to the base 2.
Specifically, the suspension driving assembly 41 makes it unnecessary to add a supporting structure on the base 2 to support the display screen module 1, and the electromagnetic force generated by the suspension driving assembly 41 is enough to stably support the display screen module 1, thereby simplifying the structure of the base 2 and facilitating the operation. Meanwhile, the maintainer can also change the magnitude of the electromagnetic force generated by the suspension driving assembly 41 through the control module 6 to change the height of the display screen module 1 suspended relative to the base 2.
In some embodiments of the present invention, as shown in fig. 5, the suspension driving assembly 41 includes a first magnetic block 411 and a suspension driving coil 412, the first magnetic block 411 is disposed on the display screen module 1, the suspension driving coil 412 is disposed on the base 2, the suspension driving coil 412 is electrically connected to the energy storage module 3 and the control module 6, respectively, and the suspension driving coil 412 can generate a magnetic field to drive the first magnetic block 411 to depart from the suspension driving coil 412 so as to suspend the display screen module 1 relative to the base 2.
Specifically, the first magnetic block 411 is generally disposed at the bottom of the display screen module 1, the suspension driving coil 412 is generally disposed at the top of the base 2, the first magnetic block 411 can generate a continuous first magnetic field, the suspension driving coil 412 can generate a second magnetic field having the same polarity as the first magnetic field, and the second magnetic field and the first magnetic field repel each other, so that an acting force of mutual repulsion exists between the display screen module 1 and the base 2, the control module 6 can change the magnitude of the acting force by changing the magnitudes of the magnetic fields of the first magnetic field and the second magnetic field, the acting force can balance the gravity of the display screen module 1, and therefore the display screen module 1 can suspend on the guide rail 9. In addition, base 2 is last to be provided with infrared sensor, and infrared sensor can measure the height of display screen module 1 suspension and with information transmission to control module 6 of suspension height.
In some embodiments of the present invention, as shown in fig. 5 and 6, the magnetic suspension module 4 further includes a moving driving assembly 42, the base 2 is provided with a guide rail 9, the moving driving assembly 42 is disposed between the display screen module 1 and the guide rail 9, and the moving driving assembly 42 can drive the display screen module 1 to move along the guide rail 9.
Specifically, the mobile driving assembly 42 generally includes a plurality of components, some of which are disposed on the display screen module 1 and do not need to be powered, and the other part of which is disposed on the base 2 and is powered by the energy storage module 3. In addition, the display screen module 1 can move relative to the guide rail 9, so that audiences standing at different positions can watch the content displayed by the display screen module 1 conveniently.
In some embodiments of the present invention, as shown in fig. 6, the moving driving assembly 42 includes a plurality of second magnetic blocks 421 and a plurality of moving driving coils 422, the plurality of second magnetic blocks 421 are disposed on the display screen module 1, the plurality of moving driving coils 422 are disposed along the length direction of the guide rail 9, the moving driving coils 422 are electrically connected to the energy storage module 3, and the control module 6 is electrically connected to the moving driving coils 422 to control two adjacent moving driving coils 422 to generate different polarities with respect to the second magnetic blocks 421 located between the two adjacent moving driving coils 422.
Specifically, in an embodiment of the present invention, the display screen module 1 is annular, the guide rail 9 is also an annular guide rail, and the plurality of second magnetic blocks 421 are disposed on the inner surface and the outer surface of the display screen module, generally on both sides of the guide rail 9. The control module 6 is electrically connected to the moving driving coils 422 to control one of the two adjacent moving driving coils 422 to generate a magnetic field with a polarity different from that of the magnetic field of the second magnetic block 421 located between the two adjacent moving driving coils 422, and the other of the two adjacent moving driving coils 422 to generate a magnetic field with a polarity identical to that of the magnetic field of the second magnetic block 421 located between the two adjacent moving driving coils 422, so as to drive the second magnetic block 421 located between the two adjacent moving driving coils 422 to move, and thus the display module 1 moves along the guide rail 9. For any one of the second magnetic blocks 421, the magnetic field generated by the second magnetic block 421 and the magnetic field generated by the moving driving coil 422 located in front of the second magnetic block are different from each other, and always attracted by the moving driving coil 422 located in front of the second magnetic block 421, and meanwhile, the magnetic field generated by the second magnetic block 421 and the magnetic field generated by the moving driving coil 422 located behind the second magnetic block 421 are the same and always repelled by the moving driving coil 422 located behind the second magnetic block 421, so that the second magnetic block 421 can be carried forward to move, and the display screen module 1 moves relative to the base 2. In addition, the number of the first magnetic blocks 411 and the number of the floating driving coils 412 are generally multiple, so that in the moving process of the display screen module 1, the display screen module 1 can keep a floating state relative to the base 2, and the control module 6 can control the current magnitude and direction of each moving driving coil 422, so as to ensure that each second magnetic block 421 can be attracted by the moving driving coil 422 in front of the second magnetic block and repelled by the moving driving coil 422 behind the second magnetic block, thereby enabling the display screen module 1 to maintain the moving state. In addition, the control module 6 can also control the speed of the display screen module 1 moving on the base 2 by controlling the magnetic field intensity of the magnetic field generated by the moving driving coil 422, and different viewing experiences can be brought to the viewers watching the display screen at different speeds.
In some embodiments of the present invention, as shown in fig. 5, a limiting member 21 is disposed on the display screen module 1 or the guide rail 9, and the limiting member 21 can abut against the guide rail 9 to prevent the display screen module 1 from separating from the guide rail 9.
Specifically, locating part 21 plays the effect of spacing direction, therefore display screen module 1 can only suspend and remove in the top of guide rail 9, can not break away from guide rail 9, and this stability and the security that can improve whole magnetic suspension display screen reduce the probability that the incident takes place.
In some embodiments of the utility model, as shown in fig. 5, the guide rails 9 are provided with cushions 22,.
Specifically, blotter 22 can reduce the interact power when display screen module 1 contacts with guide rail 9, and when the out of work of magnetic suspension display screen or energy storage module 3 electric quantity was not enough to result in display screen module 1 and guide rail 9 to contact, blotter 22 can reduce the interact power of the two, avoids display screen module 1 or guide rail 9 to receive accidental damage.
In some embodiments of the present invention, as shown in fig. 7, the working flow of the magnetic suspension display screen of the present invention is substantially as follows: charging module 5 can charge energy storage module 3 through external power supply, make energy storage module 3 keep the electric quantity sufficient, energy storage module 3 can supply power to magnetic suspension module 4, control module 6 is controlling electric current size and direction in the magnetic suspension module 4, make display screen module 1 can keep the state of suspension and removal, and simultaneously, because electric quantity detection module 7 can acquire energy storage module 3's electric quantity information and transmit to control module 6, control module 6 still can carry out the analysis to the electric quantity information received, if the electric quantity that the analysis derives energy storage module 3 is lower, control module 6 can control warning module 8 suggestion maintainer and in time charge to energy storage module 3.
While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A magnetic levitation display screen, comprising:
a display screen module (1);
a base (2) provided with an energy storage module (3);
magnetic suspension module (4), set up display screen module (1) with between base (2), energy storage module (3) with magnetic suspension module (4) electric connection is for magnetic suspension module (4) power supply, magnetic suspension module (4) can order about display screen module (1) for base (2) suspension.
2. A magnetic levitation display screen as recited in claim 1, wherein: the energy storage device is characterized by further comprising a charging module (5) arranged on the base (2), wherein the charging module (5) can be respectively electrically connected with an external power supply and the energy storage module (3) so as to charge the energy storage module (3).
3. A magnetic levitation display screen as recited in claim 1, wherein: the magnetic suspension energy storage device is characterized by further comprising a control module (6) and an electric quantity detection module (7) which are arranged on the base (2), wherein the control module (6) is electrically connected with the magnetic suspension module (4), and the electric quantity detection module (7) is electrically connected with the energy storage module (3) and the control module (6) respectively.
4. A magnetic levitation display screen as recited in claim 3, wherein: still including setting up warning module (8) on base (2), warning module (8) with control module (6) electric connection.
5. A magnetic levitation display screen as recited in claim 3, wherein: the magnetic suspension module (4) comprises a suspension driving assembly (41), the suspension driving assembly (41) is arranged between the display screen module (1) and the base (2), and the suspension driving assembly (41) is respectively electrically connected with the energy storage module (3) and the control module (6) so as to enable the display screen module (1) to suspend relative to the base (2).
6. A magnetic levitation display screen as recited in claim 5, wherein: the suspension driving assembly (41) comprises a first magnetic block (411) and a suspension driving coil (412), the first magnetic block (411) is arranged on the display screen module (1), the suspension driving coil (412) is arranged on the base (2), the suspension driving coil (412) is respectively electrically connected with the energy storage module (3) and the control module (6), and the suspension driving coil (412) can generate a magnetic field to drive the first magnetic block (411) to deviate from the suspension driving coil (412) so that the display screen module (1) is suspended relative to the base (2).
7. A magnetic levitation display screen as recited in claim 5, wherein: magnetic suspension module (4) still includes removal drive assembly (42), be provided with guide rail (9) on base (2), removal drive assembly (42) set up display screen module (1) with between guide rail (9), removal drive assembly (42) can order about display screen module (1) is followed guide rail (9) remove.
8. A magnetic levitation display screen as recited in claim 7, wherein: the moving driving assembly (42) comprises a plurality of second magnetic blocks (421) and a plurality of moving driving coils (422), the second magnetic blocks (421) are arranged on the display screen module (1), the moving driving coils (422) are arranged along the length direction of the guide rail (9), the moving driving coils (422) are electrically connected with the energy storage module (3), and the control module (6) is electrically connected with the moving driving coils (422) so as to control the adjacent two moving driving coils (422) to generate different polarities relative to the second magnetic blocks (421) between the adjacent two moving driving coils (422).
9. A magnetic levitation display screen as recited in claim 7, wherein: be provided with locating part (21) on display screen module (1), locating part (21) can with guide rail (9) butt is in order to prevent display screen module (1) breaks away from guide rail (9).
10. A magnetic levitation display screen as recited in claim 7, wherein: and a buffer pad (22) is arranged on the guide rail (9).
CN202120768650.6U 2021-04-14 2021-04-14 Magnetic suspension display screen Active CN215450691U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120768650.6U CN215450691U (en) 2021-04-14 2021-04-14 Magnetic suspension display screen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120768650.6U CN215450691U (en) 2021-04-14 2021-04-14 Magnetic suspension display screen

Publications (1)

Publication Number Publication Date
CN215450691U true CN215450691U (en) 2022-01-07

Family

ID=79704654

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120768650.6U Active CN215450691U (en) 2021-04-14 2021-04-14 Magnetic suspension display screen

Country Status (1)

Country Link
CN (1) CN215450691U (en)

Similar Documents

Publication Publication Date Title
EP3157157B1 (en) System for levitating mobile terminal
CN102984307A (en) Tray module and electronic device provided with tray module and pop-up control method
CN215450691U (en) Magnetic suspension display screen
CN104104065A (en) Battery voltage indication and protection circuit
US10784493B2 (en) Charger, electronic device, charging system and charging method
CN103176093A (en) Leakage detection circuit
CN212411418U (en) Magnetic Newton's pendulum
CN109347366A (en) A kind of control method, device and electronic equipment
CN102148409A (en) Battery charging device, terminal equipment and method for controlling charging of terminal equipment
JP5111061B2 (en) Connection device
US7420374B2 (en) Battery with remaining electrical power display function and method of the same
CN213582946U (en) Magnetic current display
CN105140989A (en) Charging control device for charger
CN115603424A (en) Charging device, control method, control apparatus, and readable storage medium
CN212807083U (en) Environment monitoring equipment suitable for many environments
CN213043844U (en) Security protection is with public address loudspeaker that has anti-falling structure
CN114253049A (en) Camera with protection function and method
CN113709435B (en) Suspension laser television
CN108987661B (en) Safety battery system and its removable computer, mobile phone, electric car
CN218316270U (en) Unmanned aerial vehicle charging system
KR102644778B1 (en) Smart device charging storage
CN211335637U (en) Over-and-under type fills electric pile
CN203800766U (en) Magnetic suspension electric shaver motor
CN214396129U (en) Auxiliary device is used in data structure teaching
JP2019154193A (en) Battery-driven device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant