CN114495738A

CN114495738A - LED display screen capable of being mounted in two directions and LED display device

Info

Publication number: CN114495738A
Application number: CN202110967366.6A
Authority: CN
Inventors: 周桂锋; 陈祥江
Original assignee: Shenzhen Liantronics Co Ltd
Current assignee: Shenzhen Liantronics Co Ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-05-13

Abstract

The invention discloses a bidirectional-mountable LED display screen and an LED display device, wherein the bidirectional-mountable LED display screen comprises an LED module assembly, a box body assembly, an adapter plate assembly and a rear cover assembly, the box body assembly is provided with a first through hole and a plurality of second through holes annularly arranged outside the first through hole, the LED module assembly comprises a plurality of LED templates arranged side by side, each LED template is respectively and detachably arranged on one surface of the box body assembly, each LED template is correspondingly covered with at least one second through hole, the rear cover assembly is arranged on the other surface of the box body assembly and is arranged at intervals with the second through holes, the adapter plate assembly is positioned between the LED module assembly and the rear cover assembly, the adapter plate assembly is fixed on the box body assembly and is positioned in the first through holes, the LED templates can be moved out of the second through holes, and the LED templates and the adapter plate assembly can be moved out of the first through holes. The invention can realize bidirectional installation and maintenance to improve the service performance.

Description

LED display screen capable of being mounted in two directions and LED display device

Technical Field

The invention relates to the technical field of display screen installation, in particular to a bidirectional-installation LED display screen and an LED display device.

Background

In the LED display screen industry, the LED display screen maintenance mode is divided into front maintenance and rear maintenance, wherein the front maintenance is to disassemble and assemble the LED display screen in front of the LED display screen, and the rear maintenance is to disassemble and assemble the LED display screen behind the LED display screen.

However, the technology for double-sided maintenance of the LED display screen does not exist in the current market, so that the service performance of the LED display screen is reduced, and the application range is limited to a certain extent.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide a bidirectional-mounting LED display screen and an LED display device, which can effectively solve the problems that the LED display screen cannot be subjected to double-sided maintenance in the existing market, so that the service performance of the LED display screen is reduced, and the application range is limited to a certain extent.

The invention is realized by adopting the following technical scheme:

the invention provides a bidirectional-mountable LED display screen, which comprises an LED module assembly, a box body assembly, a transfer board assembly and a rear cover assembly, the box body assembly is provided with a first perforation and a plurality of second perforations arranged outside the first perforation in a penetrating way, the LED module assembly comprises a plurality of LED templates which are arranged side by side, each LED template is respectively and detachably arranged on one surface of the box body assembly, each LED template is correspondingly covered with at least one second through hole, the rear cover assembly is arranged on the other surface of the box body assembly and is arranged at intervals with the second through hole, the adapter plate assembly is positioned between the LED module assembly and the rear cover assembly, the adapter plate assembly is fixed on the box body assembly and positioned in the first through hole, and the LED template can be moved out of the second through hole, and both the LED template and the adapter plate assembly can be moved out of the first through hole.

Further, the LED module assembly further comprises a plurality of iron blocks, the box body assembly comprises a frame and a plurality of magnet columns which are attracted to the iron blocks respectively, the iron blocks are fixed on one surface of the LED template facing the box body assembly, the magnet columns are correspondingly fixed on the frame, the iron blocks are adsorbed on the magnet columns, and the first through holes and the second through holes are formed in the frame.

Further, the LED template comprises a plurality of first guide posts, a substrate made of transparent materials and a plurality of LED lamps fixed in the substrate, the LED lamps are electrically connected with the adapter plate assembly, the first guide posts and the iron blocks are fixed on one surface of the substrate, facing the adapter plate assembly, a plurality of first guide grooves are formed in the corresponding frame, and the first guide posts are inserted into the first guide grooves.

Furthermore, the adapter plate assembly includes circuit board, a plurality of first connection board, a plurality of second connection board and a plurality of first adapter socket that the interval set up, the circuit board passes through first connection board and second connection board are fixed in jointly on the frame, the circuit board is located in the first perforation, first adapter socket is fixed in the orientation of circuit board on the one side of LED template, first adapter socket with circuit board electric connection, the LED template still include with LED lamp electric connection's first adapter plug, first adapter plug is fixed in the orientation of base plate on the one side of circuit board, first adapter plug card in on first adapter socket.

Furthermore, but LED display screen of two-way installation still includes a plurality of first fasteners and a plurality of second fastener, first connection plate is located the orientation of circuit board on the one side of LED template, the second connection plate is located the orientation of circuit board on the one side of back lid assembly, between first connection plate and the frame and between circuit board and the second connection plate all be through a plurality of first fastener fixed connection, between circuit board with between the first connection plate and between the second connection plate and the frame all be through a plurality of second fastener fixed connection, first fastener and second fastener are followed respectively the box assembly two directions that back mutually install.

Furthermore, a plurality of second guide posts are convexly arranged on one surface of the first connecting plate facing the adapter plate assembly, a plurality of second guide grooves are further formed in the circuit board, and the second guide posts are inserted into the second guide grooves.

Furthermore, the adapter plate assembly further comprises a second adapter socket and two signal ports, the second adapter socket and the signal ports are fixed on one surface, facing the rear cover assembly, of the circuit board and are electrically connected with the circuit board, the rear cover assembly comprises a cover plate, a second adapter plug and two power ports, the second adapter plug and the power ports are fixed on one surface, facing the circuit board, of the cover plate, the power ports are electrically connected with the second adapter plug, the second adapter plug is clamped on the second adapter socket, a plurality of third through holes are further formed in the frame, one ends of the third through holes are communicated with the first through holes, and the other ends of the third through holes are communicated with the second through holes.

Further, but LED display screen of two-way installation still includes test button and LCD display, test button and LCD display all are fixed in on the one side of keeping away from the circuit board of apron, test button and LCD display all with second patchplug electric connection.

Furthermore, the box body assembly further comprises a plurality of positioning columns, the frame is further provided with a plurality of positioning holes matched with the positioning columns in a penetrating mode, the positioning columns are arranged on the top of the frame in a protruding mode, and the positioning holes extend to the bottom of the frame from the inner wall of the second through hole below the positioning holes in a penetrating mode.

The invention also provides an LED display device which comprises a plurality of signal lines, a plurality of power lines and a plurality of LED display screens which are sequentially connected and can be bidirectionally installed, wherein one end of each signal line is connected with a signal port on one LED display screen which can be bidirectionally installed, the other end of each signal line penetrates through the third through hole and then is connected with a signal port on the other LED display screen which can be bidirectionally installed, one end of each power line is connected with a power port on one LED display screen which can be bidirectionally installed, and the other end of each power line penetrates through the third through hole and then is connected with a power port on the other LED display screen which can be bidirectionally installed.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, each LED template is correspondingly covered with at least one second through hole, the rear cover assembly and the second through holes are arranged at intervals, the second through holes are not shielded by the rear cover assembly, and the first fastening piece and the second fastening piece which are used for fixing the circuit board, the first connecting joint plate and the second connecting joint plate on the frame are installed in the front direction and the rear direction, so that the circuit board can be disassembled in the front direction and the rear direction, and the disassembly and assembly in front of the LED display screen or in rear can be smoothly carried out, thereby realizing the bidirectional installation and maintenance of the LED display screen, improving the service performance of the LED display screen, and being suitable for various environments.

Drawings

Fig. 1 is a schematic structural diagram of a bi-directionally mountable LED display screen according to an embodiment of the present invention;

FIG. 2 is an exploded view of a bi-directionally mountable LED display screen according to an embodiment of the present invention;

FIG. 3 is an exploded view of a bi-directionally mountable LED display screen according to an embodiment of the present invention;

FIG. 4 is a schematic view of the assembled housing assembly and first connector tile according to an embodiment of the present invention;

fig. 5 is an exploded view of the LED template provided in the embodiment of the present invention passing through a second through hole of a bi-directional mountable LED display screen;

FIG. 6 is an exploded view of a bi-directionally mountable LED display screen in accordance with an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a combined case assembly and rear cover assembly according to an embodiment of the present invention;

fig. 8 is a first schematic structural diagram of the LED display device according to the embodiment of the present invention after two LED templates are removed;

fig. 9 is a second schematic structural diagram of the LED display device provided in the embodiment of the present invention, after two LED templates are removed.

In the figure:

10. an LED module assembly; 11. an LED template; 111. a first guide post; 112. a substrate; 113. an LED lamp; 114. a handle; 115. a first patch plug; 12. an iron block; 20. a box body assembly; 21. a frame; 211. a first perforation; 212. a second perforation; 213. a first guide groove; 214. a third perforation; 215. positioning holes; 22. a magnetic column; 23. a positioning column; 24. a fourth perforation; 25. a threaded hole; 30. an adapter plate assembly; 31. a circuit board; 32. a first connector tile; 321. a second guide post; 33. a second connector tile; 34. a first patch receptacle; 35. a second adapter socket; 36. a signal port; 40. a rear cover assembly; 41. a cover plate; 42. a second patch plug; 43. a power port; 50. a first fastener; 60. a second fastener; 70. a test button; 80. an LCD display; 90. a signal line; 100. a power line; 200. an adjusting member.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

It will also be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1 to 7, an embodiment of the present invention provides a bi-directionally mountable LED display screen, which is hereinafter referred to as an LED display screen for short, and the LED display screen includes an LED module assembly 10, a box assembly 20, a patch panel assembly 30, and a rear cover assembly 40.

The box assembly 20 is provided with a first through hole 211 and a plurality of second through holes 212 annularly arranged outside the first through hole 211, the first through hole 211 is located in the middle of the box assembly 20, the LED module assembly 10 includes a plurality of LED templates 11 arranged side by side, each LED template 11 is detachably mounted on one side of the box assembly 20, each LED template 11 is covered with at least one second through hole 212, the rear cover assembly 40 is mounted on the other side of the box assembly 20 and spaced from the second through hole 212, the rear cover assembly 40 does not cover the second through hole 212, the adapter plate assembly 30 is located between the LED module assembly 10 and the rear cover assembly 40, the adapter plate assembly 30 is fixed on the box assembly 20 and located in the first through hole 211, and the LED templates 11 can be removed from the second through holes 212, the LED templates 11 and the adapter plate assembly 30 can be removed from the first through hole 211, so that the front mounting and dismounting of the LED display screen can be performed either in front or in back, the LED display screen can be smoothly installed and maintained in a bidirectional mode, the front side in the embodiment refers to the side close to audiences, and the back side is the side back to the front side.

In this embodiment, the LED module assembly 10 further includes a plurality of iron blocks 12, the box assembly 20 includes a frame 21 and a plurality of magnet pillars 22 magnetically attracted to the iron blocks 12, the iron blocks 12 are fixed on a surface of the LED template 11 facing the box assembly 20, the magnet pillars 22 are correspondingly fixed on the frame 21, the iron blocks 12 are attracted to the magnet pillars 22, so as to fix the LED template 11 on the box assembly 20, the first through holes 211 and the second through holes 212 are all disposed on the frame 21, the adapter plate assembly 30 and the rear cover assembly 40 are fixed on the frame 21, in this embodiment, the magnet pillars 22 may be composed of an iron pipe and a magnet disposed in the iron pipe, the magnet pillars 22 and the iron blocks 12 can be separated by force, and when the front side is assembled and disassembled, the vacuum suction tool can be used as a matching tool, the vacuum suction tool can be used to be attracted to the smooth LED template 11, when the LED template 11 is taken down from the box body assembly 20, the LED template 11 is not damaged, and the LED template can be directly assembled and disassembled by hands.

In a preferred embodiment, the LED template 11 includes a plurality of first guiding posts 111, a substrate 112 made of a transparent material, and a plurality of LED lamps 113 fixed in the substrate 112, the LED lamps 113 are electrically connected to the adapter plate assembly 30, the first guiding posts 111 and the iron blocks 12 are both fixed on a surface of the substrate 112 facing the adapter plate assembly 30, the frame 21 is correspondingly provided with a plurality of first guiding slots 213, and the first guiding posts 111 are inserted in the first guiding slots 213 to increase a guiding function and prevent the LED lamps 113 from being damaged, so that the LED template 11 can be accurately assembled on the box assembly 20.

Preferably, the LED module 11 further includes a plurality of handles 114, and the handles 114 are fixed on a surface of the base plate 112 facing the adapter plate assembly 30, so that the LED module 11 can be held by hand when the LED module is disassembled and assembled at the rear.

The adapter plate assembly 30 includes a circuit board 31, a plurality of first connecting plates 32, a plurality of second connecting plates 33, and a plurality of first adapter sockets 34 arranged at intervals, the circuit board 31 is fixed on the frame 21 through the first connecting plates 32 and the second connecting plates 33, the circuit board 31 is located in the first through holes 211, the first adapter sockets 34 are fixed on one surface of the circuit board 31 facing the LED template 11, the first adapter sockets 34 are electrically connected with the circuit board 31, the LED template 11 further includes first adapter plugs 115 electrically connected with the LED lamps 113, the first adapter plugs 115 are fixed on one surface of the base plate 112 facing the circuit board 31, the number of the first adapter sockets 34 is matched with that of the first adapter plugs 115, and the first adapter plugs 115 are inserted into the first adapter sockets 34, so that the LED template 11 is electrically connected with the adapter plate assembly 30.

The LED display screen capable of being mounted bidirectionally further comprises a plurality of first fasteners 50 and a plurality of second fasteners 60, the first connecting plate 32 is located on one surface of the circuit board 31 facing the LED template 11, the second connecting plate 33 is located on one surface of the circuit board 31 facing the rear cover assembly 40, the first connecting plate 32 and the frame 21 and the circuit board 31 and the second connecting plate 33 are fixedly connected through the plurality of first fasteners 50, the circuit board 31 and the first connecting plate 32 and the second connecting plate 33 and the frame 21 are fixedly connected through the plurality of second fasteners 60, and the first fasteners 50 and the second fasteners 60 are respectively mounted from the front direction and the rear direction of the box body assembly 20, so that the circuit board 31 can be mounted and dismounted from the front direction and the rear direction, and the mounting and dismounting efficiency of the LED display screen is improved.

Preferably, a plurality of second guiding posts 321 are convexly disposed on a surface of the first connecting plate 32 facing the adapter plate assembly 30, and a plurality of second guiding grooves are further disposed on the circuit board 31, and the second guiding posts 321 are inserted into the second guiding grooves, so that the adapter plate assembly 30 can be quickly mounted on the box assembly 20, and the circuit board 31 can be conveniently disassembled and assembled.

The adapter plate assembly 30 further includes a second adapter socket 35 and two signal ports 36, the second adapter socket 35 and the signal ports 36 are both fixed on a surface of the circuit board 31 facing the rear cover assembly 40, the second adapter socket 35 and the signal ports 36 are both electrically connected to the circuit board 31, the rear cover assembly 40 includes a cover plate 41, a second adapter plug 42 and two power ports 43, the second adapter plug 42 and the power ports 43 are both fixed on a surface of the cover plate 41 facing the circuit board 31, the power ports 43 are electrically connected to the second adapter plug 42, and the second adapter plug 42 is inserted into the second adapter socket 35, so that the adapter plate assembly 30 is electrically connected to the rear cover assembly 40.

The frame 21 is further provided with a plurality of third through holes 214, one ends of the third through holes 214 are communicated with the first through holes 211, the other ends of the third through holes 214 are communicated with the second through holes 212, the number of the third through holes 214 is matched with the number of the signal ports 36 and the number of the power ports 43, and the signal ports 36 and the power ports 43 are arranged close to the third through holes 214, so that the power line 100 and the signal line 90 can be conveniently and quickly plugged in and pulled out.

The LED display screen capable of being mounted in the two directions further comprises a test button 70 and an LCD display 80, wherein the test button 70 and the LCD display 80 are fixed on one surface, far away from the circuit board 31, of the cover plate 41, the test button 70 and the LCD display 80 are electrically connected with the second adapter plug 42, the test button 70 is used for starting a detection function of the LED template 11, and the LCD display 80 is used for displaying the running state of the LED lamp 113.

The box body assembly 20 further comprises a plurality of positioning columns 23, the frame 21 is further provided with a plurality of positioning holes 215 matched with the positioning columns 23 in a penetrating mode, the positioning columns 23 are arranged at the top of the frame 21 in a protruding mode, each LED template 11 is correspondingly covered with two second through holes 212, the second through holes 212 are respectively located at the upper end and the lower end of each first through hole 211, the positioning holes 215 penetrate through the inner wall of the second through hole 212 below and extend to the bottom of the frame 21, so that the positioning columns 23 of the other adjacent frame 21 are fixedly connected during later assembly, and assembly between the adjacent frames 21 is achieved.

Referring to fig. 8 and 9, the present invention further provides an LED display device, which includes a plurality of signal lines 90, a plurality of power lines 100, and a plurality of LED display panels capable of being mounted in two directions connected in sequence, wherein two adjacent LED display panels can be vertically assembled together or horizontally assembled together, one end of each signal line 90 is connected to a signal port 36 of one LED display panel capable of being mounted in two directions, and the other end of each signal line passes through two third through holes 214 and then is connected to a signal port 36 of another LED display panel capable of being mounted in two directions, one end of each power line 100 is connected to a power port 43 of one LED display panel capable of being mounted in two directions, and the other end of each power line 100 passes through two third through holes 214 and then is connected to a power port 43 of another LED display panel capable of being mounted in two directions, so as to connect the adjacent LED display panels in series, each side of each signal line 90 and power line 100, the wiring is arranged in an up-down cascading bidirectional mode, bidirectional wiring can be operated from front to back, unified management is facilitated, and of course, when the signal line 90 and the power line 100 are disassembled in a forward direction, the LED templates 11 on the left side and the right side can be disassembled only, and the signal line 90 and the power line 100 can be disassembled.

The LED display device further comprises a plurality of adjusting pieces 200, each adjusting piece 200 can be respectively rotatably mounted on the side face and the bottom of the frame 21, after two adjacent LED display screens are assembled together, the adjusting pieces 200 are screwed to abut against or lock the other frame 21, the distance between the two adjacent LED display screens is adjusted by means of the adjusting pieces 200, and therefore the fine adjustment function is achieved, and the adjusting pieces 200 are preferably bolts.

The LED display devices are all fixed on the rear bracket, the case assembly 20 in this embodiment is further provided with a plurality of fourth through holes 24 and a plurality of threaded holes 25, specifically, the plurality of fourth through holes 24 and the plurality of threaded holes 25 are respectively disposed on the front and rear faces of the frame 21, and are correspondingly disposed at four corners of the frame 21, and the fourth through holes 24 and the threaded holes 25 are coaxially disposed and communicated, the inner diameter of the fourth through holes 24 is smaller than the inner diameter of the threaded holes 25, the size of the screws mounted in the front is smaller than that of the screws mounted in the rear, when the screws are mounted in the front, the LED templates 11 on the left and right sides are removed, the screws are mounted on the rear bracket from the rear after penetrating through the fourth through holes 24 and the threaded holes 25 of the frame 21 from the front, so as to reduce the removal and mounting of the LED templates 11, and improve the mounting efficiency, and at this time, the screws do not contact with the threaded holes 25; when the LED display screen is installed at the back, the screw penetrates through the back support from the back and then is in threaded connection with the threaded hole 25, the screw does not pass through the fourth through hole 24, and the LED display screen can be fixed on the back support from the front direction and the back direction.

The front maintenance method of the LED display device comprises the following steps:

during the dismantlement, hold LED template 11 with the vacuum suction instrument, take off each LED template 11 in proper order, then dismantle signal line 90 and power cord 100 in proper order, will be located a plurality of first fasteners 50 of frame 21 front side again and loosen, take out the circuit board 31 that has first connection board 32 from first perforation 211, second connection board 33 still fixes on frame 21, remains the back lid assembly 40 and does not dismantle, and each frame 21 dismantles as the case may be, and other LED display screen dismantlements are similar with it.

When the LED display screen is installed, the circuit board 31 is firstly placed in the first through hole 211, the circuit board 31 is fixed on the second connecting plate 33 through the first fastening piece 50, then the first connecting plate 32 is fixed on the frame 21 through the first fastening piece 50, the circuit board 31 is always connected with the first connecting plate 32, the installation sequence of the rest of the LED display screens is similar to that of the rest of the LED display screens, then the signal wire 90 and the power wire 100 are installed, finally, the LED templates 11 are sucked through a vacuum suction tool, and the LED templates 11 are sequentially installed on the frame 21.

The rear maintenance method of the LED display device comprises the following steps:

when the LED display screen is disassembled, the signal wire 90 and the power wire 100 are firstly disassembled, the rear cover assembly 40 is disassembled from the frame 21, then the second fasteners 60 positioned at the rear side of the frame 21 are loosened, the circuit board 31 with the second connecting plate 33 is taken out from the first through holes 211, finally, the handle 114 is held by hands, all the LED templates 11 are sequentially taken down, all the LED templates 11 are sequentially taken to the rear of the frame 21 from the second through holes 212, and the disassembling sequence of the rest LED display screens is similar to that of the LED display screen.

When the LED display screen is installed, the LED templates 11 are firstly sent to the front from the second through holes 212, the handle 114 is held by hands, each LED template 11 is installed on the frame 21, then the circuit board 31 is fixed on the first connecting plate 32 by the second fastening piece 60, the second connecting plate 33 is continuously fixed on the frame 21 by the second fastening piece 60, the second connecting plate 33 is always connected with the circuit board 31, then the rear cover assembly 40 is fixed on the frame 21, the installation sequence of the rest LED display screens is similar to that, and then the signal line 90 and the power line 100 are installed.

In summary, in the present invention, each LED template 11 is covered with at least one second through hole 212, the back cover assembly 40 and the second through hole 212 are disposed at an interval, the back cover assembly 40 does not cover the second through hole 212, and the first fastener 50 and the second fastener 60 for fixing the circuit board 31, the first connecting plate 32 and the second connecting plate 33 on the frame 21 are respectively installed in the front and back directions, so that the circuit board 31 can be assembled and disassembled in the front and back directions, and thus, the assembly and disassembly in front of the LED display screen or in the back can be smoothly performed, thereby achieving the bidirectional installation and maintenance of the LED display screen and improving the usability of the LED display screen.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims

1. The utility model provides a LED display screen that can two-wayly install which characterized in that: comprises an LED module assembly, a box body assembly, an adapter plate assembly and a rear cover assembly, wherein the box body assembly is provided with a first through hole and a plurality of second through holes annularly arranged outside the first through hole in a penetrating way, the LED module assembly comprises a plurality of LED templates which are arranged side by side, each LED template is respectively and detachably arranged on one surface of the box body assembly, each LED template is correspondingly covered with at least one second through hole, the rear cover assembly is arranged on the other surface of the box body assembly and is arranged at intervals with the second through hole, the adapter plate assembly is positioned between the LED module assembly and the rear cover assembly, the adapter plate assembly is fixed on the box body assembly and positioned in the first through hole, and the LED template can be moved out of the second through hole, and both the LED template and the adapter plate assembly can be moved out of the first through hole.

2. The bi-directionally mountable LED display screen of claim 1, wherein: the LED module assembly further comprises a plurality of iron blocks, the box body assembly comprises a frame and a plurality of magnet columns which are attracted by the iron blocks respectively, the iron blocks are fixed on the LED template towards one surface of the box body assembly, the magnet columns are correspondingly fixed on the frame, the iron blocks are adsorbed on the magnet columns, and the first through holes and the second through holes are formed in the frame.

3. The bi-directionally mountable LED display screen of claim 2, wherein: the LED template comprises a plurality of first guide posts, a substrate made of transparent materials and a plurality of LED lamps fixed in the substrate, the LED lamps are electrically connected with the adapter plate assembly, the first guide posts and the iron blocks are fixed at the orientation of the substrate on one surface of the adapter plate assembly, a plurality of first guide grooves are correspondingly formed in the frame, and the first guide posts are inserted into the first guide grooves.

4. A bi-directionally mountable LED display screen as recited in claim 3, wherein: the adapter plate assembly includes circuit board, a plurality of first connection board, a plurality of second connection board and a plurality of interval sets up first adapter socket, the circuit board passes through first connection board and second connection board are fixed in jointly on the frame, the circuit board is located in first perforation, first adapter socket is fixed in the orientation of circuit board on the one side of LED template, first adapter socket with circuit board electric connection, the LED template still include with LED lamp electric connection's first adapter plug, first adapter plug is fixed in the orientation of base plate on the one side of circuit board, first adapter plug card is inserted in on the first adapter socket.

5. The bi-directionally mountable LED display screen of claim 4, wherein: but LED display screen of two-way installation still includes a plurality of first fasteners and a plurality of second fastener, first connection plate is located the orientation of circuit board on the one side of LED template, the second connection plate is located the orientation of circuit board on the one side of back lid assembly, first connection plate with between the frame and the circuit board with between the second connection plate all through a plurality of first fastener fixed connection, the circuit board with between the first connection plate and the second connection plate with all through a plurality of second fastener fixed connection between the frame, first fastener and second fastener are followed respectively two directions of carrying on the back of the body of box assembly are installed.

6. The bi-directionally mountable LED display screen of claim 5, wherein: the circuit board is provided with a plurality of first connecting plates, a plurality of second connecting plates are arranged on the circuit board, one surfaces of the first connecting plates, which face the adapter plate assembly, are convexly provided with a plurality of second guide posts, and the circuit board is also provided with a plurality of second guide grooves, and the second guide posts are inserted into the second guide grooves.

7. The bi-directionally mountable LED display screen of claim 4, wherein: the adapter plate assembly further comprises a second adapter socket and two signal ports, the second adapter socket and the signal ports are fixed to the circuit board and face towards one surface of the rear cover assembly and are electrically connected with the circuit board, the rear cover assembly comprises a cover plate, a second adapter plug and two power ports, the second adapter plug and the power ports are fixed to the cover plate and face towards one surface of the circuit board, the power ports are electrically connected with the second adapter plug, the second adapter plug is inserted into the second adapter socket in a clamping mode, a plurality of third through holes are further formed in the frame, one ends of the third through holes are communicated with the first through holes, and the other ends of the third through holes are communicated with the second through holes.

8. The bi-directionally mountable LED display screen of claim 7, wherein: but LED display screen of two-way installation still includes test button and LCD display, test button and LCD display all are fixed in the apron on the one side of keeping away from the circuit board, test button and LCD display all with second patchplug electric connection.

9. The bi-directionally mountable LED display screen of claim 4, wherein: the box body assembly further comprises a plurality of positioning columns, the frame is further provided with a plurality of positioning holes matched with the positioning columns in a penetrating mode, the positioning columns are arranged on the top of the frame in a protruding mode, and the positioning holes extend to the bottom of the frame from the inner wall of the second through hole below the positioning holes in a penetrating mode.

10. An LED display device, characterized in that: the LED display screen comprises a plurality of signal lines, a plurality of power lines and a plurality of LED display screens which are sequentially connected and can be bidirectionally installed according to claim 7, wherein one end of each signal line is connected with a signal port on one LED display screen which can be bidirectionally installed, the other end of each signal line penetrates through the third through hole and then is connected with a signal port on the other LED display screen which can be bidirectionally installed, one end of each power line is connected with a power port on one LED display screen which can be bidirectionally installed, and the other end of each power line penetrates through the third through hole and then is connected with a power port on the other LED display screen which can be bidirectionally installed.