CN112017555A

CN112017555A - Hard connection LED display screen and display device

Info

Publication number: CN112017555A
Application number: CN202011052481.2A
Authority: CN
Inventors: 程丽; 王斌; 汪雄杰
Original assignee: Shenzhen Meiyad Optoelectronics Co ltd
Current assignee: Shenzhen Meiyad Optoelectronics Co ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2020-12-01

Abstract

The invention relates to a hard-connected LED display screen and display equipment. The casing includes the bottom plate of rectangle and is close to the frame of the closed rectangle that bottom plate edge set up, and the frame is provided with the female head of butt joint including relative first curb plate and the second curb plate that sets up on the first curb plate, and the female head of butt joint sets up to sunken in the frame. A male head shell is fixedly mounted on the bottom plate close to the second side plate, a butt joint male head, a transmission mechanism and a knob are arranged in the male head shell, and the knob can rotate on the male head shell and drives the butt joint male head to move to extend out or retract into the second side plate through the transmission mechanism. The power supply assembly comprises a power supply board and an adapter board, wherein a first connector connected with the adapter board and a second connector connected with the power supply column are arranged on the power supply board. The adapter plate is provided with a plate-to-plate plug male connector. The back of the LED lamp panel is provided with a board-to-board plug female connector connected with the board-to-board plug male connector.

Description

Hard connection LED display screen and display device

Technical Field

The invention relates to the field of LED display, in particular to a hard-connected LED display screen and display equipment.

Background

The mode that current LED display device adopted a plurality of LED boxes to splice to form usually, and often can connect through the wire between a plurality of LED boxes, realize the content display of control LED display screen, and the mode through this kind of flexible coupling of wire can make the clearance increase between the LED box, and the LED box is also difficult to maintain.

Disclosure of Invention

Technical problem to be solved

The invention provides a hard connection LED display screen and display equipment, and aims to solve the problems that in the prior art, the distance between LED box bodies is too large and the LED box bodies are not easy to maintain.

(II) technical scheme

In order to solve the problems, the invention provides a hard connection LED display screen which comprises a shell, a power supply assembly and a plurality of LED lamp panels;

the shell comprises a rectangular bottom plate and a closed rectangular frame arranged close to the edge of the bottom plate, and the LED lamp panel and the power supply assembly are both arranged on the bottom plate and are both positioned in the frame; the frame comprises a first side plate and a second side plate which are oppositely arranged, a female butt joint head is arranged on the first side plate, and the female butt joint head is arranged in a concave manner in the frame; a male head shell is fixedly arranged on the bottom plate and close to the second side plate, a butt male head, a transmission mechanism and a knob are arranged in the male head shell, and the knob can rotate on the male head shell and drive the butt male head to move and extend out of or retract into the second side plate through the transmission mechanism; a power column and a signal column are arranged in the butt joint male head, a power hole matched with the power column is arranged in the butt joint female head, a signal hole matched with the signal column is also arranged in the butt joint female head, and the power column is electrically connected with the power hole;

the power supply assembly comprises a power supply board and an adapter board, wherein a first connector connected with the adapter board and a second connector connected with the power supply column are arranged on the power supply board; the adapter plate is provided with a plate-to-plate plugging male connector, a signal input end and a signal output end, the signal input end is connected with the signal column, and the signal output end is connected with the signal hole;

be provided with on the back of LED lamp plate with the board that public component is connected is inserted to board to the board connect and connects female, be provided with on the front of LED lamp plate a plurality of with the board connects LED lamp pearl that female electricity is connected to board to inserting.

Preferably, the hard connection LED display screen further comprises box body handles which are arranged in pairs, the box body handles are of U-shaped structures and are installed on the bottom plate, and the adapter plate is located between the box body handles in pairs.

Preferably, still be provided with a plurality of board erection columns that are used for installing the keysets on the bottom plate, still be provided with the magnet erection column that is used for installing the LED lamp plate on the bottom plate, be provided with first internal thread on the magnet erection column, be provided with on the LED lamp plate with first internal thread hole matched with through-hole, just the LED lamp plate can adsorb on the magnet erection column and pass through the fastener the through-hole with first internal thread hole cooperatees and fixes on the magnet erection column.

Preferably, one of the positioning column and the positioning hole is arranged on the first side plate, the other of the positioning column and the positioning hole is arranged on the second side plate, and the center lines of the positioning column and the positioning hole are on the same straight line.

Preferably, the frame further includes a third side plate and a fourth side plate which are both arranged oppositely, the first side plate, the second side plate, the third side plate and the fourth side plate are all provided with lock mounting holes, the center lines of the lock mounting holes on the first side plate and the second side plate are on the same straight line, and the center lines of the lock mounting holes on the third side plate and the fourth side plate are on the same straight line.

Preferably, the transmission mechanism comprises a disc rotatable within the male housing, a first link and a second link;

the knob is installed on one end face of the disc, one end of the first connecting rod is hinged to the other end face of the disc, the other end of the first connecting rod is hinged to the second connecting rod, and the other end of the second connecting rod is hinged to the butt joint male joint.

Preferably, the frame is further provided with a spare wire passing hole.

Preferably, the invention further provides a display device, which comprises a plurality of groups of display screens and connecting pieces which are arranged in parallel, wherein each group of display screens comprises a plurality of hard-connected LED display screens;

in the same group of the display screens, the butt joint male joint on the hard connection LED display screen can be inserted into the butt joint female joint of the adjacent hard connection LED display screen, the first side plate of the hard connection LED display screen is contacted with the second side plate of the adjacent hard connection LED display screen, and the connecting piece penetrates through the lock mounting hole to fixedly connect the two adjacent hard connection LED display screens;

in two adjacent groups of the display screens, the third side plate of the hard-connected LED display screen is in contact with the fourth side plate of the corresponding hard-connected LED display screen in the adjacent group, and the two adjacent hard-connected LED display screens are fixedly connected through the connecting piece passing through the lock mounting hole.

Preferably, in the same group of the display screens, the positioning columns on the hard-connected LED display screens can extend into the positioning holes of the adjacent hard-connected LED display screens.

(III) advantageous effects

According to the invention, the power supply assembly and the LED lamp panel are arranged in the shell, the telescopic butt joint male head and the butt joint female head capable of being matched with the butt joint male head are arranged at the frame, so that the two hard-connected LED display screens are matched through the butt joint male head and the butt joint female head to realize the transmission of power and signals, the gap between the hard-connected LED screens is shortened, meanwhile, the power supply board is connected with a power column in the butt joint male head through a second connector, the power supply board is also connected with the adapter plate through a first connector, the adapter plate is connected with the LED lamp panel through the matching of the board-to-board plug male head and the board-to-board plug female head to realize the control of the display content of the hard-connected LED display screens, and the power supply board and the adapter plate as well as the adapter plate and the LED lamp panel are connected through the connectors, so that.

Drawings

FIG. 1 is an exploded view of a hard-wired LED display screen of the present invention;

FIG. 2 is an exploded view of another perspective of a hard-wired LED display screen according to the present invention;

FIG. 3 is a schematic structural view of the housing of the present invention;

FIG. 4 is a schematic view of the mounting of the housing and power supply assembly of the present invention;

FIG. 5 is a schematic view of the assembly of the male housing and the mating male of the present invention;

FIG. 6 is a schematic structural view of a female butt joint according to the present invention;

FIG. 7 is a schematic view of the structure of the transmission mechanism of the present invention;

FIG. 8 is a schematic structural diagram of a display device according to the present invention;

fig. 9 is a schematic structural view of the connector of the present invention.

[ description of reference ]

1: a housing; 11: a base plate; 111: a board mounting post; 112: a magnet mounting post; 12: a frame; 121: a first side plate; 1210: positioning holes; 1211: butting a female joint; 1212: a power supply hole; 1213: a signal aperture; 122: a second side plate; 1221: a male housing; 1222: a positioning column; 1223: butting the male heads; 1224: a power supply post; 1225: a signal post; 1226: a knob; 1227: a disc; 1228: a first link; 1229: a second link; 123: a third side plate; 124: a fourth side plate; 125: a lock mounting hole; 126: a spare wire passing hole;

2: a power supply component; 21: a power panel; 211: a first connector; 212: a second connector; 22: an adapter plate; 221: inserting male parts from plate to plate;

3: an LED lamp panel; 31: inserting mother components in a board-to-board manner;

4: a handle of the box body;

5: a connecting member; 51: a base; 52: a connecting rod; 53: a clamping plate; 54: a spring; 55: a position clamping column.

Detailed Description

For the purpose of better explaining the present invention and to facilitate understanding, the present invention will be described in detail by way of specific embodiments with reference to the accompanying drawings.

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.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes 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 the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1 and 2, the invention provides a hard-wired LED display screen, which includes a housing 1, a power supply assembly 2 and a plurality of LED lamp panels 3. Casing 1 includes the bottom plate 11 of rectangle and is close to the frame 12 of the closed rectangle that 11 edges of bottom plate set up, and LED lamp plate 3 and power supply module 2 are all installed on bottom plate 11 and all are located frame 12. The frame 12 includes a first side plate 121 and a second side plate 122 which are oppositely disposed, a female joint 1211 is disposed on the first side plate 121, and the female joint 1211 is recessed into the frame 12. A male housing 1221 is fixedly mounted on the bottom plate 11 near the second side plate 122, a butt male connector 1223, a transmission mechanism and a knob 1226 are arranged in the male housing 1221, and the knob 1226 can rotate on the male housing 1221 and drive the butt male connector 1223 to move to extend or retract the second side plate 122 through the transmission mechanism. The male butt joint head 1223 is internally provided with a power column 1224 and a signal column 1225, the female butt joint head 1211 is internally provided with a power hole 1212 matched with the power column 1224, the female butt joint head 1211 is also provided with a signal hole 1213 matched with the signal column 1225, and the power column 1224 is electrically connected with the power hole 1212.

On the one hand, as shown in fig. 3 to 6, one of the positioning column 1222 and the positioning hole 1210 is disposed on the first side plate 121, the other of the positioning column 1222 and the positioning hole 1210 is disposed on the second side plate 122, and the center lines of the positioning column 1222 and the positioning hole 1210 are on the same straight line. When a plurality of hard connection LED display screens are installed together, two adjacent hard connection LED display screens are quickly positioned through the matching of the positioning columns 1222 and the positioning holes 1210, and the installation between the two hard connection LED display screens is completed. On the other hand, the frame 12 further includes a third side plate 123 and a fourth side plate 124, which are disposed opposite to each other, the first side plate 121, the second side plate 122, the third side plate 123 and the fourth side plate 124 are each provided with a lock mounting hole 125, the center lines of the lock mounting holes 125 on the first side plate 121 and the second side plate 122 are on the same straight line, and the center lines of the lock mounting holes 125 on the third side plate 123 and the fourth side plate 124 are on the same straight line. The hard-connected LED display screens are connected through the lock mounting holes 125, so that the hard-connected LED display screens are prevented from falling off. The frame 12 is also provided with a spare wire through hole 126. The spare wire passing hole 126 is arranged, so that the applicable scene of the hard connection LED display screen is wider, and the emergency use can be realized.

Further, as shown in fig. 1 and 2, the power module 2 includes a power board 21 and an adapter board 22, and the power board 21 is provided with a first connector 211 connected to the adapter board 22 and a second connector 212 connected to a power post 1224. First connector 211 is including installing many power strip contact pins on power strip 21, install many keysets contact pins and connection PCB board on keyset 22, power strip contact pin and keyset contact pin equal fixed mounting are on connecting the PCB board, still be provided with the circuit that is used for connecting power strip contact pin and keyset contact pin on connecting the PCB board, transmit electric current to keyset 22 contact pin from power contact pin, realized both fixing power strip 21 on keyset 22 with first connector 211, can make the electric current transmission on the power strip 21 again for keyset 22, very big saving the space, space utilization has been improved.

The adapter plate 22 is provided with a plate-to-plate plug male 221, a signal input end and a signal output end, the signal input end is connected with the signal column 1225, and the signal output end is connected with the signal hole 1213. Be provided with on the back of LED lamp plate 3 and connect the board that public piece 221 is connected to the board to connect and connect mother's piece 31, be provided with a plurality of LED lamp pearls of being connected with board to connect mother's piece 31 electricity to the board on the front of LED lamp plate 3. Board-to-board connects and connects female member 31 and board-to-board to connect and connect public piece 221 to be connected the realization and install LED lamp plate 3 on keysets 22, and keysets 22 will connect public piece 221 drive LED lamp plate 3 through the board-to-board again and show simultaneously, has made things convenient for the installation and the maintenance of LED lamp plate 3, thereby signal input part receives control signal from signal post 1225 and controls LED lamp plate 3 and show specific shape. In the actual use process, in the same hard-wired LED display screen, the power column 1224 is connected in parallel with the power hole 1212 and the second connector 212 on the power board 21, the voltages on the power board 21 and the power hole 1212 are not affected by each other, and the voltage on the power column 1224 is the same as the voltage on the power hole 1212. When a plurality of hard-connected LED display screens are assembled, only one butt joint male head is connected with a power supply and a control signal, and the power supply and the control signal can be transmitted by connecting the butt joint female head 1211 with the butt joint male head 1221 on the adjacent hard-connected LED display screen. The power post 1224 is connected to a 220V ac voltage, and the power board 21 is further provided with a conversion circuit capable of converting the 220V ac voltage into a 24V or 12V or 6V or 4V dc voltage and outputting the dc voltage to the power board pins.

Furthermore, as shown in fig. 3, the hard-wired LED display screen further includes paired box handles 4, the box handles 4 are U-shaped, the box handles 4 are mounted on the bottom plate 11, and the adapter plate 22 is located between the paired box handles 4. Through set up box handle 4 on bottom plate 11, assembling a plurality of hard connection LED display screens, made things convenient for carrying of hard connection LED display screen, the process of assembling is simpler, and sets up box handle 4 in frame 12 for install the back on casing 1 at LED lamp plate 3, box handle 4 can not used, has improved box handle 4's life.

Still be provided with a plurality of board erection columns 111 that are used for installing keysets 22 on the bottom plate 11, still be provided with the magnet erection column that is used for installing LED lamp plate 3 on the bottom plate 11, be provided with first internal thread on the magnet erection column, be provided with on the LED lamp plate 3 with first internal thread hole matched with through-hole, LED lamp plate 3 can adsorb on the magnet erection column and pass the through-hole through the fastener and cooperate with first internal thread hole and fix on the magnet erection column. In the preferred embodiment, be provided with on the LED lamp plate 3 with magnet erection column 112 complex magnetism inhale the piece, the LED lamp plate 3 is laminated on the magnet erection column fast through magnetism inhale the piece, then passes the through-hole on the LED lamp plate 3 through the fastener and screws up in first internal screw hole, realizes the quick installation of LED lamp plate 3.

In a preferred embodiment, as shown in fig. 7, the transmission mechanism includes a disc 1227 rotatable within a male housing 1221, a first link 1228, and a second link 1229. The knob 1226 is installed on one end face of the disk 1227, one end of the first link 1228 is hinged to the other end face of the disk 1227, the other end of the first link 1228 is hinged to the second link 1229, and the other end of the second link 1229 is hinged to the butt male joint 1223. The whole transmission mechanism can be regarded as a crank rocker mechanism, the knob 1226 drives the disc 1227 to rotate around the point a, and then the first connecting rod 1228 and the second connecting rod 1229 convert the rotation of the disc 1227 into the telescopic motion of the butt joint male head 1223 in the male head housing 1221. When the butt joint male head 1223 is not needed, the butt joint male head 1223 is hidden in the butt joint male head 1223, the butt joint male head 1223 is prevented from being damaged due to being exposed in the air for a long time, the service life of the butt joint male head 1223 is prolonged, and the space occupancy rate and the attractiveness of a hard connection LED display screen are improved.

Finally, as shown in fig. 8, the present invention further provides a display device, where the display device includes a plurality of groups of display screens and connecting members 5 arranged in parallel, and each group of display screens includes a plurality of hard-connected LED display screens as described above.

In the same group of display screens, the butt joint male joint 1223 on the hard-connected LED display screen can be inserted into the butt joint female joint 1211 of the adjacent hard-connected LED display screen, the first side plate 121 of the hard-connected LED display screen is contacted with the second side plate 122 of the adjacent hard-connected LED display screen, and the two adjacent hard-connected LED display screens are fixedly connected through the lock mounting hole 125 by the connecting piece 5; in two adjacent groups of display screens, the third side plate 123 of the hard-connected LED display screen contacts the fourth side plate 124 of the corresponding hard-connected LED display screen in the adjacent group, and the two adjacent hard-connected LED display screens are fixedly connected through the lock mounting hole 125 by the connecting member 5.

In a preferred embodiment, the connecting member 5 may be a fastener.

In a more preferred embodiment, as shown in fig. 9, the link 5 includes a base 51, a connecting rod 52, a detent plate 53, and a spring 54. The connecting rod 52 is provided with a clamping column 55 along the radial direction, the clamping plate 53 is provided with a through hole for the connecting rod 52 to pass through, one end of the connecting rod 52 can pass through the through hole on the clamping plate 53 and is fixedly arranged on the base 51, the clamping plate 53 is positioned between the base 51 and the clamping column 55, and a spring 54 is further arranged between the base 51 and the clamping plate 53. Lock mounting hole 125 is the rectangular hole with connecting rod 52 and screens post 55 complex, and after connecting rod 52 and screens post 55 passed the rectangular hole, it is in the same place two hard connection LED display screen fixed connection again to rotate certain angle.

In the same group of display screens, the positioning columns 1222 on the hard-connected LED display screens can extend into the positioning holes 1210 of the adjacent hard-connected LED display screens, and the positioning columns 1222 and the positioning holes 1210 are matched to realize the fast positioning of the hard-connected LED display screens.

It should be understood that the above description of specific embodiments of the present invention is only for the purpose of illustrating the technical lines and features of the present invention, and is intended to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, but the present invention is not limited to the above specific embodiments. It is intended that all such changes and modifications as fall within the scope of the appended claims be embraced therein.

Claims

1. A hard connection LED display screen is characterized in that the hard connection LED display screen comprises a shell, a power supply assembly and a plurality of LED lamp panels;

2. The hard-wired LED display of claim 1, further comprising paired box handles, the box handles being U-shaped, the box handles being mounted on the base plate, and the adapter plate being located between the paired box handles.

3. The hard connection LED display screen of claim 1, wherein the bottom plate is further provided with a plurality of plate mounting posts for mounting the adapter plate, the bottom plate is further provided with magnet mounting posts for mounting the LED lamp plate, the magnet mounting posts are provided with first internal threads, the LED lamp plate is provided with through holes matched with the first internal thread holes, and the LED lamp plate can be adsorbed on the magnet mounting posts and passes through the through holes through fasteners to be matched and fixed with the first internal thread holes on the magnet mounting posts.

4. The hard-wired LED display screen of any one of claims 1-3, wherein one of the positioning post and the positioning hole is disposed on the first side plate, the other of the positioning post and the positioning hole is disposed on the second side plate, and the center lines of the positioning post and the positioning hole are on the same straight line.

5. The hardwired LED display screen of claim 4, wherein the frame further comprises a third side plate and a fourth side plate that are oppositely disposed, the first side plate, the second side plate, the third side plate and the fourth side plate are each provided with a lock mounting hole, the center lines of the lock mounting holes on the first side plate and the second side plate are on the same straight line, and the center lines of the lock mounting holes on the third side plate and the fourth side plate are on the same straight line.

6. The hard-wired LED display of any of claims 1-3, wherein the transmission mechanism comprises a disk rotatable within the male housing, a first link, and a second link;

7. The hard-wired LED display of any of claims 1-3, wherein the frame is further provided with spare wire holes.

8. A display device, comprising a plurality of sets of parallel-arranged display screens and connectors, each set of display screens comprising a plurality of hard-wired LED display screens according to any one of claims 1 to 7;

9. The display apparatus as claimed in claim 8, wherein in the same group of the display screens, the positioning posts on the hard-connected LED display screens can extend into the positioning holes of the adjacent hard-connected LED display screens.