CN210896355U

CN210896355U - LED display device

Info

Publication number: CN210896355U
Application number: CN201922293320.1U
Authority: CN
Inventors: 吴瑞彬
Original assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd
Current assignee: Qstech Co Ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-06-30
Anticipated expiration: 2029-12-18

Abstract

The utility model relates to a LED display device, which comprises a display screen body and a frame fixed at the edge of the display screen body; the frame is internally provided with a laser keyboard assembly, the laser keyboard assembly comprises a keyboard pattern projector, a camera, a linear laser transmitter and a central processing unit, the frame comprises a front panel located on the front side of the display device, a first through hole is formed in the position, corresponding to the keyboard pattern projector, of the front panel, a second through hole is formed in the position, corresponding to the camera, of the front panel, and a third through hole is formed in the position, corresponding to the linear laser transmitter. The LED display device integrates the keyboard function into the whole LED display device by arranging the laser keyboard component in the frame of the display screen, solves the problem that the control and interaction of the LED display device in the prior art need wire external equipment, improves the convenience of operation, and improves the attractiveness and the overall consistency of the LED display device.

Description

LED display device

Technical Field

The utility model relates to an electronic display technical field especially relates to a LED display device.

Background

In recent years, with the popularization of LED technology, LED display devices increasingly enter command centers, conference rooms, multimedia classrooms and other occasions due to their advantages of excellent color expression, energy saving, large-size seamless splicing and the like, and the demand for easy interactive control of LED display devices in these application occasions is also increasing.

Because the LED display screen is formed by one LED lamp bead, the surface has obvious unsmooth granular sensation, and the LED lamp bead is fragile, is not suitable for being made into the surface touch function like the LCD display screen, and this makes LED display device's interactive mode very unfriendly. At present, the LED display equipment is mainly controlled by connecting wires with external keyboard, mouse, computer and other equipment for operation, and the mode of the external equipment not only occupies space, influences the appearance of the whole LED display equipment, but also increases cost and operation difficulty.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model provides an aim at provides a LED display device for solve among the prior art LED display device and need the external keyboard of line to carry out the technical problem operated.

An LED display device comprises a display screen body and a frame fixed at the edge of the display screen body; a laser keyboard assembly is arranged in the frame and comprises a keyboard pattern projector, a camera, a linear laser emitter and a central processing unit, and the central processing unit is electrically connected with the camera; the frame includes the front panel that is located the display device openly, the front panel corresponds the keyboard pattern projector position and has seted up first through-hole, corresponds the camera position and has seted up the second through-hole, corresponds linear laser emitter position and has seted up the third through-hole.

The embodiment of the utility model provides a LED display device, it is through setting up laser keyboard subassembly in the frame of display screen, integrates the keyboard function to the LED display device complete machine, has solved among the prior art LED display device's control and mutual problem that needs wire rod external equipment, has improved the convenience of operation, has promoted LED display device's aesthetic property and whole uniformity.

Furthermore, the laser keyboard component further comprises an integrated board card, and the keyboard pattern projector, the camera, the linear laser emitter and the central processing unit are integrally arranged on the integrated board card. The integrated design is convenient for the installation of the whole screen, and is beneficial to improving the assembly efficiency.

Further, the frame is fixed to be set up in display device body base, and it is hollow structure, integrated circuit board is detachable to be fixed in the front panel inboard.

Further, the front panel inboard is provided with protruding muscle, integrated circuit board is detachable to be fixed in protruding muscle. The convex ribs are used for fixing and supporting the integrated board card, so that the thickness of the frame panel can be reduced, and the whole screen weight is favorably reduced.

Furthermore, the integrated board card is further integrated with a data transmission port, a power port, a plurality of function keys and a plurality of USB ports, the front panel of the frame is provided with key hole sites corresponding to the positions of the function keys, and USB hole sites corresponding to the positions of the USB ports are provided. The data transmission port is used for data transmission, the power port is used for being connected with an external power supply and providing electric energy for the work of the integrated board card and the laser keyboard assembly, the functional keys are used for the conventional operation of the display equipment, such as a power switch, a confirmation key, a +/-key and the like, and the USB port reserves the operation requirement of connecting the display equipment with external equipment.

Furthermore, the device also comprises a rotating tray component; the rotary tray assembly comprises a rotary shaft and a tray body, the rotary shaft is fixedly arranged on the frame, and one side of the tray body is hinged to the rotary shaft. The tray body can be used as a projection surface and a keyboard operation table of the laser keyboard when being opened in a rotating mode, each through hole is covered when the tray body is rotated to cover the through holes, and a protection effect can be provided for laser keyboard components in the frame.

Furthermore, the rotary tray is provided with a laser projection cushion, so that the comfort level in use and operation is improved.

Further, still including magnetism the subassembly of inhaling, magnetism the subassembly and include that first magnetism inhales piece and second magnetism and inhale the piece, first magnetism is inhaled the piece and is set up in frame front panel inboard, the second magnetism inhale the piece set up in on the tray body, and with first magnetism is inhaled a position and is corresponding, and first magnetism is inhaled a detachable absorption of piece and second magnetism. Magnetism is inhaled and is adsorbed and make the tray body can be comparatively firmly be fixed in on the frame, is difficult for causing to rock or even drop, and structural stability is good, and magnetism is inhaled subassembly simple structure simultaneously, and weight is lighter, and easy and simple to handle.

Furthermore, a magnetic switch is arranged on the integrated board card and controls the switch of the laser keyboard assembly; the first magnetic part is a magnet, the second magnetic part is an object which can be attracted by the magnet, and the magnetic switch and the second magnetic part are arranged in a magnetic contact mode. The magnetic switch is matched with the first magnetic suction piece and the second magnetic suction piece, when the first magnetic suction piece and the second magnetic suction piece are changed from a magnetic adsorption state to a disconnection state, the magnetic switch circuit is closed, the laser keyboard is started, namely, the laser keyboard component is quickly switched on and off through rotation of the rotating copper disc, and the operation portability is improved.

Furthermore, the frame also comprises a rear cover plate positioned on the back surface of the display device; the frame rear panel corresponds inside integrated board card mounted position and has seted up the maintenance window, the back shroud is detachable cover in maintain the window. The detachable setting of rear end housing and the establishment of maintenance window are convenient for maintenance personal to the dismouting and the maintenance of integrated circuit board.

The embodiment of the utility model provides a LED display device, it is through designing laser keyboard function integration on integrated board card to be fixed in LED display device's frame, realized integrating the keyboard function in LED display device is whole built-in, solved the control of LED display device and the problem that the interaction needs to pass through wire rod external equipment; the tray body can be used as a keyboard pattern projection platform operation platform when opened, each hole position and the port of the integrated board card can be protected when the tray body is covered, the magnetic switch on the integrated board card and the magnetic suction component are further combined, the rapid switch of the laser keyboard is realized by the rotation of the tray body, the rapid starting and protection functions of the laser keyboard are realized, the convenience of operation is improved, and the attractiveness and the overall consistency of the LED display equipment are improved; in addition, a maintenance window is arranged, so that the assembly and disassembly efficiency of the integrated board card is further improved, and the subsequent maintenance is facilitated.

For a better understanding and an implementation, the present invention is described in detail below with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic view of an overall structure of an LED display screen according to embodiment 1 of the present invention;

fig. 2 is a schematic view of the overall structure of the LED display screen according to embodiment 1 of the present invention;

fig. 3 is a schematic view of the working principle of the LED display screen according to embodiment 1 of the present invention;

fig. 4 is an exploded view of the structure of the LED display device according to embodiment 2 of the present invention;

fig. 5 is a cross-sectional view of an LED display device according to embodiment 2 of the present invention;

fig. 6 is a schematic structural view of the integrated board card according to embodiment 2 of the present invention;

fig. 7 is an open schematic view of a tray body according to embodiment 2 of the present invention;

fig. 8 is a schematic view of the tray body according to embodiment 2 of the present invention;

fig. 9 is a schematic view of the frame structure according to embodiment 2 of the present invention.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of 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 therefore, should not be construed as limiting the present invention.

Example 1

Referring to fig. 1 and 2, fig. 1 is a schematic view of an overall structure of an LED display screen according to embodiment 1 of the present invention, and fig. 2 is a schematic view of an overall structure of an LED display screen according to embodiment 1 of the present invention. As shown in the figures, the embodiment of the present invention provides an LED display device, which includes a display screen body 10 and a frame 20 fixed at the edge of the display screen body 10; a laser keyboard assembly 30 is arranged in the frame 20, the laser keyboard assembly 30 comprises a keyboard pattern projector 31, a camera 32, a linear laser emitter 33 and a central processing unit 34, and the central processing unit 34 is electrically connected with the camera 32; the frame 20 includes a front panel located on the front surface of the display device, the front panel has a first through hole 21 corresponding to the position of the keyboard pattern projector 31, a second through hole 22 corresponding to the position of the camera 32, and a third through hole 23 corresponding to the position of the linear laser emitter 33.

Referring to fig. 3, fig. 3 is a schematic view of a working principle of the LED display screen according to embodiment 1 of the present invention. As shown in the figure, the laser keyboard assembly 30 emits visible laser through the keyboard pattern projector 31, and the visible laser clearly projects the keyboard pattern to the front of the LED display device through the first through hole 21; the linear laser emitter 33 emits linear laser, which is projected to the front of the LED display device through the third through hole 23, and achieves full coverage of the projection of the keyboard pattern. When the user operates, the linear laser can form a laser spot on the finger of the user, the camera 32 captures the laser spot through the second through hole 22 and transmits the position information of the laser spot to the central processing unit 34, and the central processing unit 34 corresponds the position of the laser spot to the position mapped by the keyboard pattern through an image processing algorithm, so that the control and interaction between the user and the LED display equipment can be completed.

Example 2

Please refer to fig. 4, fig. 4 is an exploded view of a LED display device according to embodiment 2 of the present invention, fig. 5 is a cross-sectional view of a LED display device according to embodiment 2 of the present invention, and fig. 6 is a schematic structural diagram of an integrated board card according to embodiment 2 of the present invention. As shown in the figure, the embodiment of the utility model provides a LED display device, it includes display screen body 10, is fixed in frame 20, laser keyboard subassembly 30 and integrated board card 40 at display screen body 10 edge.

As a preferred embodiment, the frame 20 is fixed outside the bottom edge of the display screen body 10, and is in a hollow box structure, and includes a front panel located on the front side of the display device and a rear panel located on the rear side of the display device.

Integrated plate card 40 is the rectangle structure, and it includes two long limits and two minor faces, and its detachable inboard that is fixed in frame 20 front panel. The laser keyboard assembly 30 includes a keyboard pattern projector 31, a camera 32, a linear laser emitter 33 and a central processing unit 34, which are integrally disposed on the integrated board 40 and located on a side of the integrated board 40 facing the front panel of the bezel 20. The keyboard pattern projector 31 can emit visible laser and project clear keyboard patterns; as a preferred embodiment, the linear laser transmitter 33 is in a horizontal in-line structure, and is used for transmitting linear laser light, in this embodiment, linear infrared laser light; the central processor 34 is electrically connected to the camera 32 and can process image information obtained by the camera 32. The front panel of the frame 20 is provided with a first through hole 21 corresponding to the position of the keyboard pattern projector 31, a second through hole 22 corresponding to the position of the camera 32, and a third through hole 23 corresponding to the position of the linear laser emitter 33. As a preferred embodiment, the integrated board 40 is detachably fixed to the front panel of the frame 20 through the nut post 41, preferably, the inner side surface of the front panel of the frame 20 horizontally extends to form a plurality of first ribs 24, in this embodiment, the first ribs 24 are strip-shaped structures, the number of the first ribs is 2, and two long sides of the integrated board 40 are respectively fixed to two first ribs 24. The first ribs 24 are used for fixing and supporting the nut posts 41, and can reduce the thickness of the panel of the side frame 20 while ensuring the structural stability of the fixing, which contributes to the reduction of the overall weight.

As a preferred embodiment, the integrated board 40 is further provided with a data transmission port 42 and a power port 43, the data transmission port 42 is used for data transmission, and the power port 43 is used for connecting with an external power source to provide electric energy for the operation of the integrated board 40 and the laser keyboard assembly 30, and preferably, both are located at the edge of the integrated board 40 to facilitate the connection of the ports. A plurality of functional keys 44 and USB ports 45 are further disposed on one side of the integrated board card 40 facing the front panel of the frame 20, key hole sites are disposed on the front panel of the frame corresponding to the functional keys 44, and USB hole sites are disposed on the front panel of the frame corresponding to the USB ports 45. The function keys 44 are used for normal operation of the display device, such as power switch, enter key, +/-etc., and the USB port 45 preserves the operational requirements of the display device for connection to external devices.

As a preferred embodiment, the LED display device provided in this embodiment further includes a rotating tray assembly 50 and a magnetic attraction assembly 60. The rotating tray assembly 50 comprises a rotating shaft 51, a tray body 52 and a laser projection cushion 53, wherein the rotating shaft 51 is fixedly arranged on the frame 20, and one side of the tray body 52 is hinged with the rotating shaft 51, so that the tray body can be turned over around the rotating shaft 51; the laser projection cushion 53 is fixedly laid on the tray body 52. Referring to fig. 7 and 8, fig. 7 is a schematic view of opening the tray body according to embodiment 2 of the present invention, and fig. 8 is a schematic view of closing the tray body cover according to embodiment 2 of the present invention. As shown, the tray assembly 50 is rotated, so that the tray body 52 can be used as a projection surface of the laser keyboard and an operation table of the keyboard when being rotated and opened, the operation is convenient, and the laser projection cushion 53 is provided to improve the operation comfort. When the tray body 52 rotates to cover each through hole and hole position, the protective effect can be provided for the laser keyboard assembly 30 in the frame 20, and external sundries are prevented from entering the frame 20 from each through hole, so that the normal work of the laser keyboard assembly 30 is prevented from being influenced. The magnetic attraction component 60 comprises a first magnetic attraction piece 61 and a second magnetic attraction piece 62, the first magnetic attraction piece 61 is fixedly arranged on the tray body 52, the second magnetic attraction piece 62 is fixedly arranged on the inner side of the front panel of the frame 20 and corresponds to the first magnetic attraction piece 61 in position, and the first magnetic attraction piece 61 and the second magnetic attraction piece 62 are detachably attracted. In this embodiment, the first magnetic member 61 is a magnet, the second magnetic member 62 is an iron sheet, and in other embodiments, the second magnetic member 62 may be made of other materials capable of being attracted by the magnet. Magnetism is inhaled and is adsorbed and make tray body 52 can be comparatively firmly be fixed in on the frame 20, is difficult for causing to rock or even drop, and structural stability is good, and subassembly 60 is inhaled to magnetism simple structure simultaneously, and weight is lighter, and easy and simple to handle.

In a preferred embodiment, the integrated board card 40 is further provided with a magnetic switch 46 electrically connected to the laser keyboard assembly 30, which can control the activation and deactivation of the laser keyboard assembly 30. The magnetic switch 46 and the second magnetic attraction piece 62 can be disposed in magnetic contact, the definition of the magnetic contact is that the magnetic switch 61 can be directly contacted with the second magnetic attraction piece, or disposed at a certain distance, as long as the first magnetic attraction piece 61 and the second magnetic attraction piece 62 are magnetically attracted, the magnetic force signal can be transmitted to the magnetic switch 46; in the present embodiment, the magnetic switch 46 is preferably in contact with the second magnetic member 62 to facilitate the transmission of the magnetic signal. In the present embodiment, the magnetic switch 46 is a normally closed switch, and when it is closed, the laser keyboard assembly 30 is electrically connected and in working status; when the tray body 52 is turned over, the first magnetic attraction piece 61 and the second magnetic attraction piece 62 are in magnetic contact, the magnetic switch 46 senses a magnetic signal and is automatically disconnected, the circuit of the laser keyboard assembly 30 is disconnected, and the laser keyboard is closed; when the tray body 52 is opened, the first magnetic attraction piece 61 and the second magnetic attraction piece 62 are disconnected from the magnetic attraction state, the magnetic switch 46 is closed, the laser keyboard is restarted, namely, the rotation of the tray body 52 realizes the quick switching of the laser keyboard assembly 30, and the operation portability is improved.

Referring to fig. 9, fig. 9 is a schematic diagram of a frame structure according to embodiment 2 of the present invention. As shown in the figure, a maintenance window 25 is formed in the mounting position of the rear panel of the frame 20 corresponding to the internal integrated board card 40, and the maintenance window 25 is detachably covered with a rear cover plate 26. As a preferred embodiment, the inner side surface of the rear panel of the frame 20 includes a plurality of second ribs 27, in this embodiment, the second ribs 27 are in a strip structure, and are erected at the edge of the maintenance window 25, and both ends of the second ribs 27 are fixed at the inner side of the rear panel, and the rear cover plate 26 is detachably fixed on the second ribs 27. The detachable setting of back shroud 26 and the seting up of maintenance window 25 are convenient for maintenance person to the dismouting and the maintenance of integrated circuit board 40, and the setting of second protruding muscle 27 has reduced the thickness of frame 20 panel when having ensured the fixed stability of back shroud 26 simultaneously, helps alleviateing complete machine weight.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. An LED display device, characterized by: the display screen comprises a display screen body and a frame fixed at the edge of the display screen body; a laser keyboard assembly is arranged in the frame and comprises a keyboard pattern projector, a camera, a linear laser emitter and a central processing unit, and the central processing unit is electrically connected with the camera; the frame includes the front panel that is located the display device openly, the front panel corresponds the keyboard pattern projector position and has seted up first through-hole, corresponds the camera position and has seted up the second through-hole, corresponds linear laser emitter position and has seted up the third through-hole.

2. The LED display device of claim 1, wherein: the keyboard pattern projector, the camera, the linear laser emitter and the central processing unit are all integrally arranged on the integrated board card.

3. The LED display device of claim 2, wherein: the frame is fixed to be set up in display device body base, and it is hollow structure, it is inboard that integrated circuit board is detachable to be fixed in the front panel.

4. The LED display device of claim 3, wherein: the front panel inboard is provided with a plurality of protruding muscle, integrated board card is detachable to be fixed in protruding muscle.

5. The LED display device of claim 4, wherein: the integrated board card is also provided with a data transmission port, a power port, a plurality of functional keys and a plurality of USB ports in an integrated manner; the frame front panel is provided with a key hole position corresponding to the functional key position and a USB hole position corresponding to the USB port position.

6. The LED display device of claim 2, wherein: also comprises a rotary tray component; the rotary tray assembly comprises a rotary shaft and a tray body, the rotary shaft is fixedly arranged on the frame, and one side of the tray body is hinged to the rotary shaft.

7. The LED display device of claim 6, wherein: the tray body is provided with a laser projection soft cushion.

8. The LED display device of claim 6, wherein: the tray comprises a tray body and is characterized by further comprising a magnetic suction assembly, wherein the magnetic suction assembly comprises a first magnetic suction piece and a second magnetic suction piece, the first magnetic suction piece is arranged on the inner side of the front panel of the frame, the second magnetic suction piece is arranged on the tray body and corresponds to the first magnetic suction piece in position, and the first magnetic suction piece and the second magnetic suction piece are detachably attracted.

9. The LED display device of claim 8, wherein: the integrated board card is also provided with a magnetic switch which controls the switch of the laser keyboard component; the first magnetic part is a magnet, the second magnetic part is an object which can be attracted by the magnet, and the magnetic switch and the second magnetic part are arranged in a magnetic contact mode.

10. The LED display device of claim 2, wherein: the frame further comprises a rear cover plate positioned on the back of the display device; the frame rear panel corresponds inside integrated board card mounted position and has seted up the maintenance window, the back shroud is detachable cover in maintain the window.