CN220709888U

CN220709888U - LED display screen

Info

Publication number: CN220709888U
Application number: CN202322238970.2U
Authority: CN
Inventors: 刘秋翼; 廖志雄; 杨贵川; 丁光博; 黄丽娟; 柳大智; 杨国春; 林铭杰; 潘江涛; 梁志钦; 郭小川; 屈亚东
Original assignee: Zhongshan Zhiniu Electronic Co ltd
Current assignee: Zhongshan Zhiniu Electronic Co ltd
Priority date: 2023-08-18
Filing date: 2023-08-18
Publication date: 2024-04-02
Anticipated expiration: 2033-08-18

Abstract

The utility model discloses an LED display screen, which integrates a control system onto an adapter plate through the adapter plate and the arrangement of the hard connection control system, so that complicated wire preparation and connection in the installation process are reduced, and the installation process is convenient and concise and is not influenced by wires. Through the setting of first connection structure, second connection structure to be convenient for with LED module fixed mounting on the casing. The clamping structure is arranged, so that the adapter plate is conveniently mounted on the shell in a clamping manner, the adapter plate can be conveniently dismounted and mounted subsequently, and the dismounting and mounting efficiency is improved.

Description

LED display screen

Technical Field

The utility model relates to the field of LED display screens, in particular to an LED display screen.

Background

An LED display (LED display) is a device for displaying various information such as text, images, video signals, etc., and is being increasingly used due to its characteristics of high brightness, long life, large viewing angle, etc. The LED display screen shell is generally provided with a plurality of LED modules and other electrical components which are spliced together to form an LED display screen box body; large-scale LED display screens such as 4K display screen on the market need be in charge of the concatenation together through a plurality of LED display screen casings to constitute large-scale LED display screen.

Chinese patent publication No. CN218998468U discloses a novel die-casting aluminum box structure of integrated LED display screen of little interval, and it includes casing, electrical component and LED module, and electrical component includes HUB board, power and aluminum plate, and middle part in the casing is fixed in to the power, middle part fixed connection in HUB board rear end and the casing, and HUB board middle part shaping has the mounting hole, and in the mounting hole was located to the power front end, aluminum plate was fixed in HUB board front end. The electric components are all placed in the internal space of the box body, the power supply and the signal wires are directly communicated, the appearance is neat and square, no wires are exposed, the safety and the reliability are guaranteed, the LED modules are matched through the magnet adsorption structure, the overall installation and maintenance time is shortened, and the modules can be maintained only by taking out the modules from the front of a professional tool, so that great convenience is brought to LED display screen manufacturers and clients. However, the HUB plate and the power supply are fixed by an aluminum plate, and the aluminum plate is pressed on the front end of the HUB plate by screws; when the HUB plate needs to be replaced, the aluminum plate needs to be detached first and then returned, and the disassembly and the installation are troublesome. In addition, the manner of fixing by using a single aluminum plate is disadvantageous in saving materials and increasing unnecessary manufacturing costs.

Therefore, how to overcome the above-mentioned drawbacks has become an important issue to be solved by the person skilled in the art.

Disclosure of Invention

The utility model overcomes the defects of the technology and provides the LED display screen.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the scheme discloses an LED display screen, which comprises a shell 1, install 2, keysets 3, LED module 4, control system 5 on the casing 1, LED module 4 installs in the terminal surface before casing 1 through first connection structure, keysets 3 pass through joint structure joint on casing 1 and lie in LED module 4 rear, 2 are fixed inside casing 1 through second connection structure, control system 5 hard connection is on keysets 3.

Preferably, the first connection structure includes: a plurality of first bulges 51 protruding on the rear side wall of the shell 1, and magnetic attraction blocks 52 connected to the first bulges 51; the control system 5 comprises a transmitting card and a receiving card.

Preferably, the clamping structure includes: the second protruding structure 61 protruding on the back side wall of the shell 1, and the clamping hole 62 which is arranged on the adapter plate 3 and is matched and clamped with the second protruding structure 61.

Preferably, a third protruding structure for limiting and installing the adapter plate 3 is convexly arranged on the rear side wall of the shell 1, and a bayonet matched with the shape of the third protruding structure is formed at the edge of the adapter plate 3; the bayonet comprises: a first bayonet 711 formed at the edge of the upper half of the adapter plate 3, and a second bayonet 712 formed at the edge of the lower half of the adapter plate 3, the third protrusion structure includes: a fourth protrusion 721 for limitedly catching the first bayonet 711, and a fifth protrusion 722 for limitedly catching the second bayonet 712.

Preferably, the second connection structure includes: the sixth protrusion 81, the seventh protrusion 82, and a plurality of vertically extending connection bars 83, wherein the sixth protrusion 81 and the seventh protrusion 82 are both protruding on the rear sidewall of the housing 1, the sixth protrusion 81 and the seventh protrusion 82 are vertically arranged at intervals to form an installation space on which the power supply 2 is placed, and the connection bars 83 are respectively connected with the sixth protrusion 81 and the seventh protrusion 82 through screws 84 to fix the power supply 2.

Preferably, a spacing space 10 is provided between adjacent connection bars 83.

Preferably, the adapter plate 3 is provided with an avoidance opening 31 capable of avoiding the power supply 2 during installation, the adapter plate 3 surrounds the power supply 2 through the avoidance opening 31, and the rear side wall of the housing 1 is attached with the power supply 2 at a position corresponding to the avoidance opening 31.

Preferably, the LED module 4 is formed by mutually splicing a plurality of LED lamp panels 41, the LED lamp panels 41 have a 4-layer structure, and the 4-layer structure comprises a raw device placement layer 411, a first signal routing layer 412, a second signal routing layer 413 and a lamp bead layer 414 which are sequentially stacked from back to front.

Preferably, the LED lamp panel 41 is of a type including:

1.25-240×135-1010-45S/1.25-240×135-1010-45S/1.875-160×90-1515-45S/1.5625-192×108-1212-48S/1.5625-192×108-1212-48S。

preferably, the thickness of the LED lamp panel 41 is 1.6-2.0 mm, and the size is 240mm x 135mm/160mm x 90mm/192mm x 108mm; the pixel pitch on the LED lamp panel 41 is 1.25 mm-1.875 mm, the size of the lamp beads is 1.0 mm-1.5 mm, and the pixel density is 284444/-640000/-square meter.

Compared with the prior art, the utility model has the beneficial effects that:

1. the control system is integrated onto the adapter plate through the adapter plate and the hard connection control system, so that complicated wire preparation and connection in the installation process are reduced, and the installation process is convenient and concise and is not influenced by wires. Through the setting of first connection structure, second connection structure to be convenient for with LED module fixed mounting on the casing. The clamping structure is arranged, so that the adapter plate is conveniently mounted on the shell in a clamping manner, the adapter plate can be conveniently dismounted and mounted subsequently, and the dismounting and mounting efficiency is improved.

2. The arrangement of the sixth protrusion and the seventh protrusion at intervals is convenient for forming the installation space so as to reserve the installation space of the power supply. The setting of connecting strip to be convenient for fix the power, with current mode of fixing through a monoblock aluminum plate, suitable saving manufacturing cost in the time of can guaranteeing the stable installation of power. In addition, through being equipped with the interval space between adjacent connecting strip to the power can outwards dispel the heat.

3. According to the power supply, the power supply can be prevented from being blocked on one hand by the arrangement of the avoidance opening, so that the power supply can radiate heat outwards; on the other hand in order to the keysets encircle around the power and not pile up at the power, can effectively reduce the thickness of LED display screen. The power supply is arranged in a manner of being attached to the shell so as to radiate heat outwards through the shell.

4. The LED lamp panel is provided with a layer-by-layer structure, and a signal wiring layer is added on the basis of the existing layer-by-layer structure lamp panel, so that on one hand, the gray scale effect displayed can be more uniform through multi-layer circuit adjustment of the multi-layer circuit layer, on the other hand, the heat dissipation is more uniform, the heat dissipation efficiency is improved, and the influence on current signals is smaller; in addition, a signal wiring layer is added, the thickness of the LED lamp panel is also increased, and the conditions of bending, warping, unevenness and the like caused by serious deformation are avoided.

5. The LED display screen with different sizes and display modes can be formed by adopting different types of LED lamp panels, so that different requirements on the market can be met.

6. The thickness and the size of the LED lamp panel can be flexibly selected according to requirements. The pixel point distance can reach mm, and meanwhile, the pixel point density can reach square meter, so that the granular sense of the lamp beads is not obvious on the LED lamp panel, and the display effect is improved.

Drawings

Fig. 1 is an exploded view of the first embodiment of the present disclosure.

Fig. 2 is a schematic structural diagram of an embodiment of the present disclosure with the LED module hidden.

Fig. 3 is a schematic structural diagram of the adaptor plate of the present case.

Fig. 4 is a schematic structural diagram of an LED lamp panel of the present disclosure.

Fig. 5 is a schematic diagram of a structure of a part of an LED module hidden in the second embodiment.

Detailed Description

The following examples are provided to illustrate the features of the present utility model and other related features in further detail to facilitate understanding by those skilled in the art:

example 1

As shown in fig. 1 to 4, an LED display screen includes a housing 1, a power supply 2, an adapter plate 3, an LED module 4 and a control system 5 are installed on the housing 1, the LED module 4 is installed on the front end surface of the housing 1 through a first connection structure, the adapter plate 3 is clamped on the housing 1 through a clamping structure and is located behind the LED module 4, the power supply 2 is fixed inside the housing 1 through a second connection structure, and the control system 5 is hard-connected on the adapter plate 3. In the implementation, the power supply 2, the adapter plate 3, the LED module 4 and the control system 5 are electrically connected. Wherein the control system 5 comprises a transmitting card and a receiving card.

As described above, the control system 5 is integrated on the adapter plate 3 through the adapter plate 3 and the hard connection of the adapter plate 3, so that complicated wire preparation and connection in the installation process are reduced, and the installation process is convenient and concise and is not influenced by the wire. The LED module 4 is fixedly arranged on the shell 1 through the arrangement of the first connecting structure and the second connecting structure. The clamping structure is arranged, so that the adapter plate 3 is conveniently installed on the shell 1 in a clamping manner, the adapter plate 3 is conveniently detached and installed subsequently, and the detachment and installation efficiency is improved.

As shown in fig. 1 and 2, the first connection structure includes: a plurality of first bulges 51 protruding on the rear side wall of the shell 1, and a magnetic attraction block 52 connected to the first bulges 51. Thus, the LED module 4 can be mounted on the shell 1 in a magnetic attraction manner, and the LED module 4 is convenient to dismount and mount. In specific implementation, the first protrusion 51 is a plurality of evenly arranged protrusions protruding forward on the rear side wall of the housing 1, and the protrusions are connected with the magnetic attraction block 52.

As shown in fig. 2 and 3, the engagement structure includes: the second protruding structure 61 protruding on the back side wall of the shell 1, and the clamping hole 62 which is arranged on the adapter plate 3 and is matched and clamped with the second protruding structure 61. In specific implementation, the clamping hole 62 may be provided with a large clamping hole 621 at the upper half part of the adapter plate 3, where the avoidance opening 31 is not formed, and small clamping holes 622 at the left and right sides of the avoidance opening 31 at the lower half part according to actual requirements; the second bump structure 61 includes: the second protrusions 611 which can penetrate through the large clamping holes 621 of the adapter plate 3 and are exposed out of the adapter plate 3, and the third protrusions 612 which can penetrate through the small clamping holes 622 of the adapter plate 3, wherein the protrusion length of the second protrusions 611 is longer than that of the third protrusions 612 which are uniformly arranged, so that the adapter plate 3 can be clamped with the shell 1 at different positions.

As described above, the adapter plate 3 is clamped on the housing 1 by the second protruding structure 61 of the clamping structure and the clamping hole 62, which is beneficial to subsequent disassembly and installation.

As shown in fig. 3, in the implementation, a third protruding structure for limiting and installing the adapter plate 3 is protruding on the rear side wall of the housing 1, and a bayonet matched with the third protruding structure in shape is formed at the edge of the adapter plate 3. The bayonet comprises: a first bayonet 711 formed at the edge of the upper half of the adapter plate 3, and a second bayonet 712 formed at the edge of the lower half of the adapter plate 3; the third bump structure includes: a fourth protrusion 721 for limitedly catching the first bayonet 711, and a fifth protrusion 722 for limitedly catching the second bayonet 712. Thus, the adapter card 3 is positioned and installed conveniently, and is fixed on the shell 1 more stably.

As shown in fig. 1 and 2, in the implementation, the second connection structure includes: the sixth protrusion 81, the seventh protrusion 82, and two vertically extending connection bars 83, where the sixth protrusion 81 and the seventh protrusion 82 are both protruding on the rear sidewall of the housing 1, the sixth protrusion 81 and the seventh protrusion 82 are arranged at intervals up and down to form an installation space on which the power supply 2 is placed, the connection bars 83 near the left side are respectively connected with the sixth protrusion 81 and the seventh protrusion 82 by screws to fix the power supply 2, and the connection bars 83 near the right side are respectively connected with the sixth protrusion 81 and the seventh protrusion 82 by screws 84 to fix the power supply 2 again. A space 9 is provided between the left-side connecting bar 83 and the right-side connecting bar 83. In practice, the connecting strip 83 is pressed against the power supply 2 by tightening a screw.

As described above, the sixth protrusions 81 and the seventh protrusions 82 are arranged at intervals up and down, so that the installation space 9 is formed, so that the installation space of the power supply 2 is reserved. The connection strip 83 is arranged so as to fix the power supply 2, and the power supply 2 can be stably installed in a proper manner by fixing the power supply 2 through a whole aluminum plate. Further, by providing the spacing space 10 between the adjacent connection bars 83, the power supply 2 can radiate heat outward.

As shown in fig. 1 to 3, in a specific implementation, an avoidance opening 31 capable of avoiding the power supply 2 during installation is formed in the middle of the adapter plate 3, the power supply 2 is surrounded by the avoidance opening 31, and the rear side wall of the housing 1 is attached to the power supply 2 at a position corresponding to the avoidance opening 31. In specific implementation, the housing 1 is made of aluminum or other materials convenient for heat dissipation.

As described above, by providing the avoidance opening 31, on one hand, the power supply 2 can be not blocked, so that the power supply 2 can radiate heat outwards; on the other hand, the adapter plate 3 is arranged around the power supply 2 instead of being stacked on the power supply 2, so that the thickness of the LED display screen can be effectively reduced. The power supply 2 is arranged in a fitting manner with the shell 1 so as to radiate heat outwards through the shell 1.

As shown in fig. 4, the LED module 4 is formed by mutually splicing a plurality of LED lamp panels 41, the LED lamp panels 41 have a 4-layer structure, and the 4-layer structure includes an original device placement layer 411, a first signal routing layer 412, a second signal routing layer 413, and a lamp bead layer 414, which are sequentially stacked from back to front. In specific implementation, the total thickness of the LED lamp panel 41 ranges from 1.6mm to 2.0mm.

As described above, the LED lamp panel 41 has a 4-layer structure, and a signal wiring layer is added on the basis of the existing 3-layer structure lamp panel, so that on one hand, the gray scale effect displayed can be more uniform through the adjustment of the multi-layer circuit layer, on the other hand, the heat dissipation is more uniform, the heat dissipation efficiency is improved, and the influence on the current signal is smaller; in addition, a signal wiring layer is added, the thickness of the LED lamp panel 41 is also increased, and the conditions of bending, warping, unevenness and the like caused by serious deformation are avoided.

As described above, the LED lamp panel 41 may be of the type including:

1.25-240X 135-1010-45S/1.875-160X 90-1515-45S/1.5625-192X 108-1212-48S. The above models are named in the mode of A-B1×B2-C-D, wherein A represents pixel point spacing, B1×B2 represents lamp panel size (namely length×width), C represents size of single lamp bead, and D represents how much sweep is driven.

In the specific implementation, if the adopted lamp panel model is: 1.25-240×135-1010-45S, namely the pixel point spacing of the LED lamp panel 41 is 1.25mm, the size is 240mm long by 135mm wide, the size of a single lamp bead is 1.0mm long by 1.0mm wide, and the driving mode is 45 scan.

So, the scheme can form LED display screens with different sizes and display modes by adopting the models of different LED lamp panels 41, and is favorable for meeting different requirements in the market.

As described above, the thickness of the LED lamp panel 41 is 1.6 to 2.0mm, and the dimensions are 240mm, 135mm/160mm, 90mm/192mm, 108mm; the pixel pitch on the LED lamp panel 41 is 1.25 mm-1.875 mm, the size of the lamp beads is 1.0 mm-1.5 mm, and the pixel density is 284444/-640000/-square meter. Therefore, the thickness and the size of the LED lamp panel 41 can be flexibly selected according to requirements. The pixel pitch can reach 1.25mm, and meanwhile, the pixel density can reach 640000 per square meter at the highest, so that the granular sense of the lamp beads is not obvious on the LED lamp panel 41, and the display effect is improved.

Example two

As shown in fig. 5, the second embodiment is a large-sized LED display screen formed by splicing the LED display screens according to the first embodiment, and includes a box body formed by splicing a plurality of shells 1, and the box body is provided with a plurality of power sources 2, a plurality of adapter plates 3 and a plurality of LED modules 4. The plurality of housings 1 are connected and fixed together by the connector 200 and the supporting frame 300.

As described above, the present disclosure protects an LED display screen, and all technical schemes which are the same as or similar to the present disclosure should be shown as falling within the protection scope of the present disclosure.

Claims

1. The utility model provides a LED display screen, includes casing (1), its characterized in that, install power (2), keysets (3), LED module (4), control system (5) on casing (1), LED module (4) are installed in terminal surface before casing (1) through first connection structure, keysets (3) are located LED module (4) rear on casing (1) through the joint structure joint, power (2) are fixed inside casing (1) through second connection structure, control system (5) are hard-wired on keysets (3).

2. The LED display screen of claim 1, wherein said first connection structure comprises: a plurality of first bulges (51) protruding on the rear side wall of the shell (1), and magnetic attraction blocks (52) connected to the first bulges (51); the control system (5) comprises a transmitting card and a receiving card.

3. The LED display screen of claim 1, wherein the clamping structure comprises: the second bulge structure (61) is arranged on the rear side wall of the shell (1) in a protruding mode, and the clamping hole (62) is formed in the adapter plate (3) and clamped with the second bulge structure (61) in a matching mode.

4. A LED display screen according to claim 3, wherein a third protruding structure for limiting and mounting the adapter plate (3) is provided on the rear side wall of the housing (1), and a bayonet matched with the shape of the third protruding structure is formed on the edge of the adapter plate (3); the bayonet comprises: a first bayonet (711) formed at the edge of the upper half of the adapter plate (3), a second bayonet (712) formed at the edge of the lower half of the adapter plate (3), and the third protrusion structure comprises: a fourth protrusion (721) for limiting and clamping the first bayonet (711), and a fifth protrusion (722) for limiting and clamping the second bayonet (712).

5. The LED display screen of claim 1, wherein the second connection structure comprises: the power supply device comprises a sixth protrusion (81), a seventh protrusion (82) and a plurality of connecting strips (83) extending vertically, wherein the sixth protrusion (81) and the seventh protrusion (82) are both arranged on the rear side wall of the shell (1) in a protruding mode, the sixth protrusion (81) and the seventh protrusion (82) are arranged at intervals up and down to form an installation space on which the power supply (2) is placed, and the connecting strips (83) are respectively connected with the sixth protrusion (81) and the seventh protrusion (82) through screws (84) to fix the power supply (2).

6. An LED display screen as claimed in claim 5, characterized in that a spacing space (10) is provided between adjacent connection bars (83).

7. The LED display screen according to claim 1, wherein the adapter plate (3) is provided with an avoidance opening (31) capable of avoiding the power supply (2) during installation, the adapter plate (3) surrounds the power supply (2) through the avoidance opening (31), and the rear side wall of the housing (1) is attached with the power supply (2) at a position corresponding to the avoidance opening (31).

8. The LED display screen of claim 1, wherein said LED module (4) is formed by mutually splicing a plurality of LED lamp panels (41), said LED lamp panels (41) have a 4-layer structure, said 4-layer structure comprises an original device placement layer (411), a first signal routing layer (412), a second signal routing layer (413), and a light bead layer (414) which are sequentially stacked from back to front.

9. An LED display screen according to claim 8, characterized in that the model of the LED light board (41) comprises:

10. an LED display screen according to claim 8, characterized in that the LED light panel (41) has a thickness of 1.6-2.0 mm and a dimension of 240mm x 135mm/160mm x 90mm/192mm x 108mm; the pixel point spacing on the LED lamp panel (41) is 1.25-1.875 mm, the lamp bead size is 1.0 mm-1.5 mm, the pixel point density size is 284444/-640000/-square meters.