WO2023115937A1

WO2023115937A1 - Led display screen

Info

Publication number: WO2023115937A1
Application number: PCT/CN2022/107774
Authority: WO
Inventors: 姜晓升; 雷松
Original assignee: 深圳市洲明科技股份有限公司
Priority date: 2021-12-24
Filing date: 2022-07-26
Publication date: 2023-06-29
Also published as: CN216435383U; GB202405544D0; GB2625698A

Abstract

An LED display screen, comprising: a case body (100) and a light panel (600), and a converter (200), a plug (300) and an adapter panel (400) are provided in the case body (100), the case body (100) being connected to the light panel (600); a first end of the plug (300) is movably connected to an input end of the converter (200), a second end of the plug (300) is electrically connected to an external power supply, one end of the adapter panel (400) is movably connected to an output end of the converter (200), and the other end of the adapter panel (400) is movably connected to the light panel (600); the converter (200) is used for converting an alternating-current signal input by an external power supply into a direct-current signal.

Description

LED display

Cross References to Related Applications

This application claims the priority of the Chinese patent application with application number 202123290557.8 and titled "LED Display" filed on December 24, 2021, which is hereby incorporated by reference in its entirety.

technical field

The present application relates to the technical field of display devices, in particular to an LED display screen.

Background technique

The LED display screen can display various patterns and video information, and has the advantages of high reliability, long service life, high cost performance, low use cost and strong environmental adaptability. With the rapid development of the LED display industry, people have higher and higher requirements for LED displays, such as the requirement for ultra-light and ultra-thin cabinets. LED display modules are an important part of LED displays, so people further require LED displays The display module part is ultra-light and ultra-thin.

The traditional LED display, the inside of the box is connected by wires and wires, which looks messy and unsightly, and it is not easy to operate when assembling; the traditional LED display, power supply and signal adapter board, signal adapter board and The light panels are connected by wires, which are prone to poor contact and low reliability; in traditional LED displays, the AC (alternating current) part is connected to the power input terminal by wires, which is cumbersome to operate and cannot realize automated production.

application content

According to various embodiments disclosed in the present application, an LED display screen is provided.

An LED display screen, characterized in that it includes: a box body and a lamp board, and a converter, a plug and an adapter board arranged in the box body, the box body is connected to the light board; The first end is movably connected to the input end of the converter, the second end is electrically connected to the external power supply, one end of the adapter board is movably connected to the output end of the converter, and the other end is movably connected to the light board ; The converter is used to convert the AC signal input by the external power supply into a DC signal.

The details of one or more embodiments of the application are set forth in the accompanying drawings and the description below. Other features and advantages of the application will be apparent from the description, drawings, and claims.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings that need to be used in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application. For Those of ordinary skill in the art can also obtain other drawings based on these drawings without making creative efforts.

Fig. 1 is a schematic diagram of an explosion structure of an LED display screen in an embodiment of the present application;

Fig. 2 is a schematic diagram of the exploded structure of another viewing angle of the LED display screen in an embodiment of the present application;

Fig. 3 is a schematic structural diagram of a plug in an embodiment of the present application;

FIG. 4 is a schematic structural diagram of a converter in an embodiment of the present application;

FIG. 5 is a schematic structural diagram of an adapter board in an embodiment of the present application;

FIG. 6 is a detailed schematic diagram of the card slot of the adapter board in an embodiment of the present application;

FIG. 7 is a detailed schematic diagram of a clip of a lamp panel in an embodiment of the present application.

Detailed ways

In order to make the technical solutions and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, not to limit the present application.

In one embodiment, as shown in FIG. 1 and FIG. 2 , an LED display screen is provided, including a box body 100 and a light board 600 , as well as a converter 200 , a plug 300 and an adapter board arranged in the box body 100 400, the box body 100 is connected to the lamp board 600; the first end of the plug 300 is flexibly connected to the input end of the converter 200, the second end is electrically connected to the external power supply, and one end of the adapter board 400 is movable to the output end of the converter 200 connected, and the other end is movably connected with the light board 600; the converter 200 is used to convert the AC signal input by the external power supply into a DC signal.

Specifically, the plug 300 transmits the AC signal provided by the external power source to the converter 200 . The converter 200 can convert the AC signal input by the external power supply into a DC signal, and transmit it to the lamp board 600 through the adapter board 400 for powering and displaying the lamp board 600 . Among them, the converter 200 and the plug 300, the converter 200 and the adapter board 400, and the adapter board 400 and the lamp board 600 are all connected flexibly, which can be through overlapping or plugging. For example, it is connected by screw locking, or by inserting pins and female pins. The way of active connection can realize the radio connection inside the LED display screen, effectively improve the cleanliness inside the LED display screen, and effectively improve the reliability of the electrical connection between various components.

The connection mode between the converter 200 and the plug 300 is not unique. In one embodiment, the first end of the plug 300 is connected to the input end of the converter 200 by overlapping.

In one embodiment, as shown in FIG. 3 and referring to FIGS. 1 and 2 , the second end 340 of the plug 300 is provided with a three-wire plug for electrical connection with an external power source. Specifically, the external power supply can be a 380V AC mains, and the three-wire plug at the second end 340 of the plug 300 can be connected to the mains to receive an AC signal and transmit it to the first end 320 .

In one embodiment, as shown in FIG. 3 and FIG. 4 , the first end 320 of the plug 300 is provided with three fins 322 , the input end of the converter 200 is provided with three steps 220 , and the three fins 322 are respectively overlapped on the The step 220 corresponding to the converter 200 is used for AC signal transmission and grounding.

Specifically, since the plug 300 is used to transmit the AC signal input by the external power supply to the converter 200, the three fins 322 provided on the first end 320 of the plug 300 can be respectively connected to the live line L, the neutral line N and the ground line of the external power supply. E, and transmit its signal to the corresponding overlapping steps 220 . It can be understood that the two fins 322 and the step 220 respectively connected to the live wire L and the neutral wire N are used for transmission of AC signals, and the fins 322 and the step 220 connected to the ground wire E are used for grounding.

Further, there is no unique way for the fins 322 to be connected to the steps 220 . In one embodiment, the three fins 322 of the plug 300 are fixedly connected to the steps 220 corresponding to the converter 200 through screw locking.

In another embodiment, as shown in FIG. 3 , the plug 300 further includes a third end 360 , and the third end 360 is provided with a three-wire jack for connecting with an external device and outputting an AC signal. Specifically, the three-wire jack at the third end 360 has a corresponding structure to the three-wire plug at the second end 340 , which can be understood as directly outputting the AC signal connected to the second end 340 from the mains.

In addition, the actual hardware used by the plug 300 is not unique. In one embodiment, the plug 300 is an injection-molded integrated aviation plug.

Correspondingly, the connection mode between the converter 200 and the adapter board 400 and between the adapter board 400 and the lamp board 600 is not unique. In one embodiment, one end of the adapter board 400 and the output end of the converter 200 pass through The other end of the adapter board 400 is flexibly connected to the lamp board 600 by lapping or plugging, which realizes the radio connection of the internal components of the LED display.

In one embodiment, as shown in FIG. 4 , and with reference to FIGS. 1 and 2 , the output end of the converter 200 is provided with at least one female pin 240 for movably connecting with the adapter board 400 .

Specifically, after receiving the AC signal, the converter 200 can convert the AC signal into a DC signal. The output end of the converter 200 is provided with two female pins 240 corresponding to the positive output V+ and the negative output V- respectively, for transmitting the DC signal to the lamp board 600 through the adapter board 400 . Wherein, the type of the female pin 240 provided at the output end of the converter 200 is not unique, and in this embodiment, Pogoing female pins are all used.

In one embodiment, as shown in FIG. 5 and with reference to FIG. 1 and FIG. 2 , at least one pin 420 is provided on the side of the adapter board 400 close to the converter 200 , and the pin 420 corresponds to the female pin 240 through the socket. way activity connection. It can be understood that the number of pins 420 needs to match the number of female pins 240 , so that DC signal transmission can be realized after being inserted into the female pins 240 .

In one embodiment, referring to FIG. 1 and FIG. 2 , the above-mentioned LED display screen further includes a rear case 500 installed in the box body 100 , and the adapter plate 400 and the light board 600 are respectively fixedly installed on both sides of the rear case 500 . Specifically, the rear shell 500 is in the shape of a plate, and is used for fixing the adapter plate 400 and the lamp plate 600 .

In one embodiment, as shown in FIG. 5 to FIG. 7 , the adapter plate 400 is fixedly installed on the rear case 500 by screw locking, and the lamp board 600 is fixedly installed on the rear case 500 by snap connection. Specifically, the light board 600 is provided with a clamp 640, as indicated by point B in FIG. 2 , and a corresponding engagement slot 540 is provided on the rear case 500, as indicated by point A in FIG. 2 . The clip 640 of the lamp board 600 is engaged with the slot 540 of the rear case 500 , so as to realize the snap connection between the lamp board 600 and the rear case 500 .

In one embodiment, as shown in FIG. 5 and referring to FIG. 1 and FIG. 2 , a first connector 440 is provided on a side of the adapter board 400 close to the rear case 500 for movably connecting with the lamp board 600 . Specifically, the number of the first connectors 440 is not unique, and may be one, or two, or more than three, and may be specifically set according to the size of the lamp panel 600 . For example, in this embodiment, there are four first connectors 440 .

In one embodiment, referring to FIG. 1 and FIG. 2 , the rear shell 500 is provided with a through hole 520 , and the first connector 440 of the adapter board 400 passes through the through hole 520 of the rear shell 500 and is movably connected with the lamp board 600 . It can be understood that the number and size of the through holes 520 need to be determined according to the first connector 440, corresponding to the projected position of the first connector 440 arranged on the adapter board 400 on the rear shell 550, so as to realize the penetration of the first connector 440. The through hole 520 of the rear shell 500 is flexibly connected with the lamp board 600 .

In one embodiment, as shown in FIG. 2 , the light board 600 is provided with a second connector 620 corresponding to the first connector 440 . It can be understood that the number and size of the second connectors 620 need to be determined according to the first connectors 440 , and the radio connection between the adapter board 400 and the lamp board 600 is realized after the corresponding connection.

The specific structures of the first connector 440 and the second connector 620 are not unique, and in one embodiment, both the first connector and the second connector are floating connectors. Specifically, both the first connector 440 and the second connector 620 are 4+60P floating connectors.

In one embodiment, referring to FIG. 1 and FIG. 2 , the box body 100 and the lamp panel 600 are connected by magnetic attraction. Specifically, a magnet is provided at a position of the box body 100 corresponding to the clip 640 of the lamp panel 600 . Correspondingly, the material of the clip 640 is a magnetic metal clip, such as an iron clip, a nickel clip, or a chrome clip, so as to realize the magnetic connection between the box body 100 and the lamp board 600 .

The technical features of the above embodiments can be combined arbitrarily. To make the description concise, all possible combinations of the technical features in the above embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, they should be It is considered to be within the range described in this specification.

The above-mentioned embodiments only express several implementation modes of the present application, and the description thereof is relatively specific and detailed, but should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the scope of protection of the patent application should be based on the appended claims.

Claims

An LED display screen, characterized in that it includes: a box body and a lamp board, and a converter, a plug and an adapter board arranged in the box body, the box body is connected to the light board; The first end is movably connected to the input end of the converter, the second end is electrically connected to the external power supply, one end of the adapter board is movably connected to the output end of the converter, and the other end is movably connected to the light board ; The converter is used to convert the AC signal input by the external power supply into a DC signal.
The LED display screen according to claim 1, wherein the first end of the plug is connected to the input end of the converter by overlapping.
The LED display screen according to claim 2, wherein the first end of the plug is provided with three fins, the input end of the converter is provided with three steps, and the three fins are respectively lapped on The steps corresponding to the converter are used for transmission and grounding of AC signals.
The LED display screen according to claim 3, characterized in that, the three fins of the plug are fixedly connected to the steps corresponding to the converter through screw locking.
The LED display screen according to claim 2, wherein the second end of the plug is provided with a three-wire plug for electrical connection with the external power supply.
The LED display screen according to claim 5, wherein the plug is an injection-molded integrated aerial plug.
The LED display screen according to claim 1, wherein one end of the adapter board is flexibly connected to the output end of the converter by overlapping or plugging, and the other end of the adapter board is connected to the output end of the converter. The light boards are movably connected by overlapping or plugging.
The LED display screen according to claim 7, wherein the output end of the converter is provided with at least one female pin for movably connecting with the adapter board.
The LED display screen according to claim 8, characterized in that, at least one pin is provided on the side of the adapter board close to the converter, and the pin and the female pin are correspondingly movable by plugging connect.
The LED display screen according to claim 1, further comprising a rear shell installed in the box, the adapter board and the light board are respectively fixedly installed on both sides of the rear shell.
The LED display screen according to claim 10, wherein the adapter board is fixedly installed on the rear shell by screw locking, and the light board is fixedly installed on the rear shell by a buckle connection. shell.
The LED display screen according to claim 10, wherein a first connector is provided on a side of the adapter board close to the rear shell, and is used for movably connecting with the light board.
The LED display screen according to claim 12, wherein the rear shell is provided with a through hole, and the first connector of the adapter board passes through the through hole of the rear shell and is movably connected with the light board .
The LED display screen according to claim 13, wherein the light board is provided with a second connector corresponding to the first connector.
The LED display screen according to claim 14, wherein the first connector and the second connector are both floating connectors.
The LED display screen according to any one of claims 1 to 15, characterized in that, the box is connected to the light board by means of magnetic attraction.