WO2019109360A1

WO2019109360A1 - Display screen box body, display apparatus, and spliced display device

Info

Publication number: WO2019109360A1
Application number: PCT/CN2017/115339
Authority: WO
Inventors: 郭畅; 祁峰; 何进龙
Original assignee: 深圳市优景观复光电有限公司
Priority date: 2017-12-08
Filing date: 2017-12-08
Publication date: 2019-06-13

Abstract

A display screen box body (200), a display apparatus (100), and a spliced display deice. The display screen box body (200) comprises a base (210), a cover body (220), and a line concentration card (400). The base (210) is provided with a accommodation chamber (212) for accommodating a power assembly. The cover body (220) is provided with multiple through holes (221), and the cover body (220) is fixed to the base (210) to seal the accommodation chamber (212). The power assembly is mounted at the accommodation chamber (212). The line concentration card (400) is mounted at the chamber edge of the accommodation chamber (212) and is connected to the power assembly. The line concentration card (400) is provided with multiple first connectors, and the multiple first connectors are disposed corresponding to the multiple through holes (221). The display apparatus (100) comprises the display screen box body (200) and multiple display modules (600) mounted on the box body (200). The spliced display deice comprises multiple display apparatuses (100) and multiple splicing members (800) for splicing the display apparatuses (100) to form a whole display surface. The display screen box body (200) has high strength, is unlikely to deform, has small seams in splicing, and has stable connection.

Description

Display case, display device and spliced display device

Technical field

The present invention relates to the field of display device technologies, and in particular, to a display box, a display device, and a spliced display device.

Background technique

LED display is a light source that uses LED light source as a large flat panel display. It has the following advantages: low energy consumption, fast response, wide working environment temperature, good impact resistance and long life. At the same time, since it is a semiconductor component, it can be fully compatible with the integrated circuit, and the control circuit and the driving circuit are easily integrated in the flat panel display, thereby further reducing the volume of the display and facilitating the multiplexing of signals.

The structure of the current LED display includes a screen, a frame and a rear case. The modules, components and circuits constituting the display screen are arranged in the frame of the LED display screen, and the screen and the rear case are respectively fixed on the front and rear planes of the frame. However, the current LED display frame is flat and easy to deform; the flatness is poor, the stitching is large, and the stability is poor.

technical problem

In view of this, it is necessary to provide a display box, a display device, and a spliced display device which are compact, safe, reliable, and resistant to deformation and stability.

Technical solution

A display box for arranging a display module, comprising a base, a cover body and a line card, the base being provided with a receiving compartment for receiving a power component, the cover body being provided with a plurality of through holes, the cover The body is fixed to the base to close the receiving compartment; the line card is mounted on the compartment of the receiving compartment and connected to the power component, and the collecting card is provided with a plurality of first joints, the plurality of The first joints are disposed corresponding to the plurality of through holes.

In a preferred embodiment of the present invention, the display module has a first magnetic member, and the connecting assembly includes a second magnetic member for magnetically engaging the first magnetic member, the second The magnetic member is fixed to the base, and the first magnetic member and the second magnetic member are correspondingly disposed.

In a preferred embodiment of the present invention, the first magnetic member is a magnet, the second magnetic member is an iron piece; or the first magnetic member is an iron piece, and the second magnetic member is magnet.

In a preferred embodiment of the present invention, the display case further includes a sealing assembly including a first sealing member and a second sealing member, the base being provided with a first groove surrounding the receiving compartment, the first a sealing member is mounted to the first recess, the cover pressing the first sealing member to seal the receiving compartment when the cover is fixed to the base; the cover is provided with a surrounding a second groove of the through hole, the second sealing member is mounted on the second groove, and when the display module is fixed to the base, the display module presses the second sealing member To seal the through hole.

In a preferred embodiment of the present invention, further comprising a partition fixed to the base and dividing the receiving compartment into a power compartment and a control cabin, wherein the power component is mounted to the power compartment, The control cabin is used to mount the control module.

In a preferred embodiment of the present invention, the power supply assembly includes a first power source, a second power source, and a fixing strap, and the first power source and the second power source are fixed to the power supply compartment bottom wall by the fixing strap. The power supply assembly further includes a first heat conducting member mounted on the bottom of the first power source and the second power source, and an insulating sheet covering the first power source and the first The top of the two power sources; the first heat conducting member is a silica gel.

In a preferred embodiment of the present invention, the line card includes a line card board, a plurality of the first connectors are disposed on a line card board, and the line card board is installed in a hatch of the receiving compartment The shape of the hub card and the cover is the same as the shape of the hatch of the receiving compartment. .

A display device includes a plurality of display modules, a power supply component, a control module and a box, wherein the box is a display box body as described above, and the plurality of display modules are sequentially mounted on the display a cover body of the screen box, the control module is connected to the power supply assembly and the line card of the display box, each of the display modules has a second connector, and the second connector passes through the A corresponding through hole on the cover is connected to the first joint of the line card.

And a spliced display device comprising a plurality of display devices and splicing members as described above, the splicing members connecting adjacent display devices, and a display screen surface of each of the plurality of display devices is integral Display screen.

Further, the spliced display device further includes a signal line and a power line, the signal line is connected to the control module, and the power line is connected to the power component; the splicing component includes a splicing body and is disposed on the splicing body The plurality of fixing holes are arranged, and the splicing body has a regular polygonal shape.

Beneficial effect

The display box body, the display device and the splicing display device are mounted to the box body through the connection component, and the box body has high strength and is not easy to be deformed; the storage compartment is integrally formed on the base of the box body and is covered by the cover body. On the accommodating compartment, it can seal the cabin and provide the flat connection interface of the display module. The overall structure is compact, safe and reliable. The contact part and the side of the base and the display module are surface treated, and the surface is flat and high. When the two display boxes are spliced together, the gap is small and the connection is stable; the display module is fixed by the cooperation of the first magnetic member and the second magnetic member of the connecting component, and the disassembly and assembly is simple and quick, and the maintenance is convenient.

DRAWINGS

1 is a schematic view showing an explosion structure of a display box body according to an embodiment of the present invention.

2 is a schematic view showing the structure of a base according to an embodiment of the present invention.

3 is a schematic view showing an explosion structure of a display module according to an embodiment of the present invention.

4 is a schematic structural view of a display box body after mounting a splicing piece according to an embodiment of the invention.

Figure 5 is a perspective view of the display box of Figure 4 after mounting the splicing piece at another angle.

Fig. 6 is a schematic structural view of a splicing member according to an embodiment of the present invention.

Embodiments of the invention

The invention will be described in detail below with reference to specific embodiments and drawings.

Referring to FIG. 1 to FIG. 5 , a display device 100 and a display box body according to an embodiment of the present invention are shown. The display device 100 includes a box body and a plurality of display modules mounted on the box body. The case 200 includes a base 210, a cover 220, and a line card 400. The case 200 and the plurality of display modules are connected by a connection assembly to form a display device as shown in FIGS. 4 and 5.

The back surface of the base 210 is provided with a reinforcing rib 211. The front surface of the base 210 is provided with a receiving compartment 212, a first recess 213 surrounding the receiving compartment 212, and a plurality of connecting portions 215 and a protruding portion 216. The bottom of the receiving compartment 212 is provided. The partition 214 and the plurality of mounting posts 2123 partition the receiving compartment 212 into a power compartment 2121 and a control compartment 2122; the connecting portion 215 is slightly lower than the convex portion 216, and the connecting portion 215 is provided with a plurality of mounting holes 2151. A power supply component and a control module are respectively installed in the power supply compartment 2121 and the control cabin 2122.

In this embodiment, preferably, the base 210 is substantially square, and the base 210 is provided with a plurality of reinforcing ribs 211 corresponding to the outer side of the bottom wall of the receiving compartment 212 to enhance the strength of the base 210. The surface and the outer surface of the base 210 in contact with the display module 600 are both ground by CNC machining, so that when the base 210 and the display module 600 are mounted together, the two are in close contact, and the gap is reduced, so that the mounting on the base 210 is large. The display module 600 has a flat surface and a compact arrangement.

The cover 220 is provided with a plurality of through holes 221 and a second groove 222 surrounding the through holes 221. Preferably, the through holes 221 and the second grooves 222 are elongated.

The display device 100 further includes a power component and a control module. The plurality of the display modules are sequentially mounted on the cover 220 of the display box, and the control module is connected to the power component and the display. The line card 400 of the box.

The power supply assembly includes a first power source 310, a second power source 320, a first heat conducting member 330, a fixing strap 340, and an insulating sheet 350, and the first power source 310 and the second power source 320 pass through the two fixing straps 340. It is fixed to the bottom wall of the power supply compartment 2121. The first heat conducting component 330 is mounted on the bottom of the first power source 310 and the second power source 320, and the insulating sheet 350 covers the top of the first power source 310 and the second power source 320. The control module is connected to the first power source 310, the second power source 320, and the line card 400.

In this embodiment, preferably, the first heat conducting member 330 is a thermal conductive silica gel. Since the receiving compartment 212 of the base 210 is completely sealed, the heat dissipation effect is not good. Therefore, the first heat conducting member 330 is disposed at the bottom of the first power source 310 and the second power source 320, and the first power source 310 and the first power source 310 are The temperature generated by the second power source 320 is conducted to the base 210 and then dissipated through the base 210.

The line card 400 is provided with a plurality of first connectors (not shown), and the line card 400 is fixed on the mounting post 2123 of the base 210 by screws. The line card 400 is located above the power component and is in close contact with the insulation of the power component. Slice 350. After the line card 400 is fixed on the base 210, the cover 220 is fixed to the base 210 to close the receiving compartment 212. The first joint of the line card 400 is disposed corresponding to the through hole 221, so that other joints pass through. The through hole 221 is connected to the first joint.

The display module 600 includes a second connector 620. When the display module 600 is mounted to the base 210, the second connector 620 passes through the through hole 221 and is connected to the first connector of the line card 400.

Further, the connecting component includes a first magnetic member 610 and a second magnetic member 700 that are coupled to each other, and the first magnetic member 610 is fixed to the display module 600, and the second magnetic member 700 is Fixed to the base 210, the first magnetic member 610 and the second magnetic member 700 are correspondingly disposed. The first magnetic member 610 is a magnet, the second magnetic member 700 is an iron piece; or the first magnetic member 610 is an iron piece, and the second magnetic member 700 is a magnet.

In this embodiment, preferably, the first magnetic member 610 is an iron piece, and the plurality of first magnetic members 610 are uniformly mounted on the back surface of the display module 600; the second magnetic member 700 is a magnet, and the plurality of The two magnetic members 700 are fixed to the base 210 by mounts, and each of the second magnetic members 700 is disposed corresponding to each of the first magnetic members 610. During installation, the first magnetic member 610 is aligned with the second magnetic member 700, and then the display module 600 is attached to the base 210, that is, the magnetic properties of the first magnetic member 610 and the second magnetic member 700 are passed. The suction and assembly will smoothly display the display module 600 to the base 210, and the installation is simple and quick, and the maintenance is convenient.

The display box further includes a sealing assembly, an indicator light 260 and a nameplate 270. The indicator light 260 is connected to the power supply assembly to indicate the working state of the display box, and the nameplate 270 is mounted on the back of the base 210.

Further, the seal assembly includes a first seal 520 and a second seal 510, the first seal 520 being mounted to the first recess 213 of the base 210, when the cover 220 is fixed to the base 210 The cover 210 presses the first seal 520 to seal the receiving compartment 212. The second sealing member 510 is mounted on the second recess 222 of the cover 220. When the display module 600 is fixed to the base 210, the display module 600 presses the second sealing member 510 to The through hole 221 is sealed.

In the present embodiment, preferably, the first sealing member 520 and the second sealing member 510 are both rubber sealing rings. When the cover 220 is installed, the first sealing member 520 is first installed in the first recess 213, and the first sealing member 520 surrounds the receiving compartment 212; then the cover 220 is pressed onto the first sealing member 520, thereby The receiving compartment 212 is sealed to prevent rainwater from penetrating into the receiving compartment 212 to protect the electronic components in the receiving compartment 212. Finally, the cover 220 is fixed to the base 210 by screws. When the display module 600 is installed, the second sealing member 510 is first installed in the second recess 222 of the cover 220, and then the second joint 620 of the display module 600 is inserted through the through hole 221 and inserted into the line card 400. Finally, the display module 600 is fixed to the base 210 by the cooperation of the first magnetic member 610 and the second magnetic member 700. At this time, the second joint 620 of the display module 600 is crushed to the second portion. The sealing member 510 seals the through hole 221. It can be seen that the first sealing member 520 and the second sealing member 510 completely seal the receiving compartment 212 of the base 210, and the waterproof effect is good.

Referring to FIG. 3, the display module 600 includes a bottom case 630, a heat conducting board 670, a second heat conducting member 660, a circuit board 640, and a hoop 680 connected in sequence. The circuit board 620 is connected to the hoop. 680. The second interface 620 is mounted on the circuit board 640 and connected to the hoop 680. The bottom case 630 is further connected with a security line 690.

In this embodiment, preferably, the heat conducting plate 670 is an iron plate, the second heat conducting member 660 is a silica gel, the second heat conducting member 660 is provided with a groove, and the grooves of the two second heat conducting members 660 are The second joint 620 is surrounded.

Referring to FIG. 1 to FIG. 6 together, the present invention further provides a spliced display device comprising a plurality of display devices 100 and a splicing member 800. The splicing member 800 is connected to an adjacent display device 100, and the plurality of display devices 100 The display surface of each display module constitutes an overall display screen, and the overall display screen is a large screen corresponding to the size of a plurality of cabinets. The display device 100 further includes a signal line 250 and a power line 240. The signal line 250 is connected to the control module. The two power lines 240 are respectively connected to the first power source 310 and the second power source 320 of the power module. The splicing member 800 includes a splicing body 810, a plurality of fixing holes 820 and a through hole 830 disposed on the splicing body 810, and the splicing body 810 has a regular polygonal shape; adjacent the display box body passes through the splicing member 800. Make a connection.

In this embodiment, preferably, the splicing member 800 is a thin metal plate. When mounting, the fixing hole 820 of the splicing member 800 is aligned with the fixing hole 2151 of the adjacent base 210, and then the through hole 830 of the splicing member 800 is sleeved. On the protruding portion 216 of the base 210, the splicing body 810 is then mounted on the connecting portion 215 of the base 210, and finally passed through the fixing hole 820 of the splicing member 800 by screws and locked to the fixing hole 2151 of the base 210. The stitching is completed, the structure is simple, and the installation is fast.

The display box body, the display device and the splicing display device are mounted to the box body through the connection component, and the box body has high strength and is not easy to be deformed; the storage compartment is integrally formed on the base of the box body and is covered by the cover body. In the accommodating compartment, the sealing body can be sealed and the mounting interface of the display module is flat. The overall structure is compact, safe and reliable, and the display box body; the contact portion and the side surface of the base 210 and the display module 600 are surface-treated, and the surface is treated. The flatness is high, the gap is small when the two adjacent display box bodies are spliced together, and the connection is stable; the display module 600 is fixed by the cooperation of the first magnetic member 610 and the second magnetic member 700 of the connecting component, and is disassembled Simple and fast, easy to maintain.

It should be noted that the present invention is not limited to the above embodiments, and other changes may be made by those skilled in the art according to the inventive spirit of the present invention, and the changes according to the inventive spirit of the present invention should be included in the present invention. Within the scope of the claimed invention.

Claims

A display box for arranging a display module, comprising:

a base, the base is provided with a receiving compartment for receiving a power component,

a cover body, the cover body is provided with a plurality of through holes, the cover body being fixed to the base to close the receiving compartment;

And a plurality of first joints, wherein the plurality of first joints are disposed corresponding to the plurality of through holes, and are connected to the power supply assembly.
The display box of claim 1 further comprising a connection assembly for positioning the display module, the display module having a first magnetic member, the connection assembly including The magnetic member magnetically engages the second magnetic member, the second magnetic member is fixed to the base, and the first magnetic member and the second magnetic member are correspondingly disposed.
The display box body according to claim 2, wherein the first magnetic member is a magnet, the second magnetic member is an iron piece; or the first magnetic member is an iron piece. The second magnetic member is a magnet.
A display case according to claim 1, further comprising a seal assembly including a first seal and a second seal, said base being provided with a first recess surrounding said containment compartment, said a first sealing member is mounted on the first groove, the cover body pressing the first sealing member to seal the receiving compartment when the cover body is fixed to the base; the cover body is provided a second groove surrounding the through hole, the second sealing member is mounted on the second groove, and when the display module is fixed to the base, the display module presses the second groove a seal to seal the through hole.
The display case according to claim 2, further comprising a partition fixed to the base and dividing the receiving compartment into a power compartment and a control cabin, the power component being mounted on The power compartment, the control cabin is used to install a control module.
The display box body according to claim 5, wherein the power source assembly includes a first power source, a second power source, and a fixing strap, and the first power source and the second power source are fixed to the fixing strap by the fixing strap The power supply compartment bottom wall, the power supply assembly further includes a first heat conducting member and an insulating sheet, the first heat conducting member being mounted on the bottom of the first power source and the second power source, the insulating sheet covering the a first power source and a second power source top; the first heat conducting member is a silica gel.
The display box body according to claim 6, wherein the line card comprises a line card, a plurality of the first connectors are arranged on a line card, and the line card is mounted on the line card. The hatch edge of the receiving compartment has a shape that matches the shape of the hatch of the receiving compartment.
A display device comprising a plurality of display modules, a power supply component, a control module and a casing, wherein the casing is the display box body according to any one of claims 1 to 7, a plurality of The display module is sequentially mounted on the cover of the display box, and the control module is connected to the power assembly and the line card of the display box, and each of the display modules has a And a second joint connected to the first joint of the line card through a corresponding through hole on the cover.
A spliced display device, comprising: a plurality of display devices according to any one of claims 1 to 8 and a splicing member, wherein the splicing member connects adjacent display devices, each of the plurality of display devices The display surface of the display module forms the overall display surface.
The spliced display device according to claim 9, further comprising a signal line and a power line, wherein the signal line is connected to the control module, the power line is connected to the power component; and the splicing component comprises And a plurality of fixing holes disposed on the splicing body, wherein the splicing body has a regular polygonal shape.