CN209118012U - A back-to-back double-sided LCD display - Google Patents

Abstract

A back-to-back double-sided LCD display includes a fixed frame, two panels and two liquid crystal screens, and a frame cavity of the fixed frame is provided with a partition that divides the frame cavity into two left-right symmetrical installation cavities, and two The liquid crystal screens are respectively embedded in the two installation cavities through the installation brackets, and the two panels are respectively covered on the two liquid crystal screens and connected with the frame of the fixed frame; the frame cavity of the fixed frame is also provided with a constant current plate, A signal distribution board, a DC-DC power conversion board and a main control board, the constant current board is respectively connected with the backlight lines of the two liquid crystal screens, and the main control board is respectively connected with the screen display lines of the two liquid crystal screens through the signal distribution board The DC-DC power conversion board is connected with the main control board and the power lines of the two LCD screens respectively to provide electrical energy. The back-to-back double-sided LCD display of the present invention can be applied to places such as stations, roads, hospitals, etc. The information is displayed on the same screen, and the overall design is modular, which is very simple to install and maintain.

Description

A back-to-back double-sided LCD display

technical field

The utility model relates to the field of displays, in particular to a back-to-back double-sided LCD display.

Background technique

Double-sided display refers to a new type of display device with two display screens, which enables two display screens connected to the same computer to run at the same time and perform synchronous or asynchronous display. It is mainly used in the business halls of the communication industry, government window, financial industry, transportation industry and other window industries. The advent of the double-sided display reflects the humanization of "customer-centered" service and protects the customer's right to know; its application greatly improves the service efficiency of the service window and improves the transparency of the service. Technology-driven change.

At present, there is no double-sided liquid crystal display strip screen module applied to the information display of public street signs on the market, and it still relies on the traditional light box as a guide, which cannot automatically update the street sign information. If it needs to be updated, it needs to be re-made. Moreover, the light box cannot provide dynamic information display and has a single function.

Utility model content

In order to solve the above problems existing in the prior art, the present invention provides a back-to-back double-sided LCD display, which solves the problem that the existing public road signs use light boxes as guidance, the display information is limited, and the automatic update of road sign information cannot be performed, resulting in a single function. The problem.

In order to achieve the above purpose, the utility model provides a back-to-back double-sided LCD display, which includes a fixed frame, two panels and two liquid crystal screens. Symmetrical partitions of the installation cavity, two liquid crystal screens are respectively embedded in the two installation cavities through the installation brackets, and the two panels cover the two liquid crystal screens respectively and are connected with the frame of the fixed frame;

The frame cavity of the fixed frame is also provided with a constant current board, a signal distribution board, a DC-DC power conversion board and a main control board, and the constant current board is respectively connected with the backlight lines of the two liquid crystal screens. The boards are respectively connected with the screen display lines of the two liquid crystal screens through the signal distribution board, and the DC-DC power conversion board is respectively connected with the main control board and the power lines of the two liquid crystal screens to provide electrical energy.

As a further preferred technical solution of the present invention, the panel is an acrylic plate with strong magnets around it, and the frame of the fixing frame is provided with a magnet, and the magnet is magnetically connected to the acrylic plate.

As a further preferred technical solution of the present invention, dust-proof cotton is provided in the area where the surrounding frame of the fixed frame and the acrylic plate are withheld.

As a further preferred technical solution of the present invention, two USB sockets are embedded on the top of the fixing frame, and the USB sockets are electrically connected to the main control board.

As a further preferred technical solution of the present invention, two vertical steel pipes are symmetrically arranged on the top of the fixing frame, and the steel pipes and the fixing frame are connected by screws or welding.

The back-to-back double-sided LCD display of the utility model comprises a fixed frame, two panels and two liquid crystal screens, and the frame cavity of the fixed frame is provided with a partition that divides the frame cavity into two left-right symmetrical installation cavities The two LCD screens are respectively embedded in the two installation cavities through the installation brackets, and the two panels are respectively covered on the two LCD screens and connected with the frame of the fixed frame; the frame cavity of the fixed frame is also provided with a constant The flow board, the signal distribution board, the DC-DC power conversion board and the main control board, the constant current board is respectively connected with the backlight lines of the two liquid crystal screens, and the main control board is respectively connected with the two liquid crystal screens through the signal distribution board. The screen display line is connected, and the DC-DC power conversion board is connected with the main control board and the power lines of the two LCD screens to provide power, so that the back-to-back double-sided LCD display can be used in stations, roads, hospitals and other places. The same information is displayed on the same screen, and the overall design is modular, which is very simple to install and maintain.

Description of drawings

The present utility model will be described in further detail below with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic structural diagram of an example provided by the back-to-back double-sided LCD display of the present invention.

In the picture: 101, panel, 102, dustproof cotton, 103, magnet, 104, fixing frame, 105, mounting bracket, 106, LCD screen, 108, steel pipe, 109, constant current board, 110, signal distribution board, 111, DC-DC power conversion board, 112, main control board, 113, USB socket.

The purpose realization, functional characteristics and advantages of the present utility model will be further described with reference to the accompanying drawings in conjunction with the embodiments.

Detailed ways

The present utility model will be further described below with reference to the accompanying drawings and specific embodiments. The terms such as "up", "down", "left", "right", "middle" and "one" quoted in the preferred embodiment are only for the convenience of description and are not used to limit the present invention. The practicable scope and the change or adjustment of the relative relationship thereof shall also be regarded as the practicable scope of the present invention without substantially changing the technical content.

As shown in FIG. 1 , the back-to-back double-sided LCD display includes a fixing frame 104 , two panels 101 and two liquid crystal screens 106 . The fixing frame 104 is an aluminum profile with a frame structure, and the frame cavity of the fixing frame 104 is provided with The frame cavity is divided into two left-right symmetrical partitions of the installation cavity. The two liquid crystal screens 106 are respectively embedded in the two installation cavities through the installation brackets 105. The installation brackets 105 and the fixing frame 104 are connected by screws. The panels 101 are respectively covered on the two liquid crystal screens 106 and connected with the frame of the fixed frame 104;

The frame cavity of the fixed frame 104 is also provided with a constant current board 109 , a signal distribution board 110 , a DC-DC power conversion board 111 and a main control board 112 . The main control board 112 is connected to the screen display lines of the two liquid crystal screens 106 through the signal distribution board 110 respectively, the DC-DC power conversion board 111 is connected to the main control board 112 and the power supplies of the two liquid crystal screens 106 The wires are connected separately to supply power.

In a specific implementation, the panel 101 is an acrylic plate (also called a plexiglass panel) with strong magnets around it, a magnet 103 is arranged on the frame of the fixing frame 104, and the magnet 103 is magnetically connected to the acrylic plate, Through the principle of mutual attraction, the buckle covers the surfaces of the two liquid crystal screens 106, and plays the role of dust prevention and decoration.

In the specific implementation, dustproof cotton 102 is provided in the area where the surrounding frame of the fixing frame 104 is pressed against the acrylic plate to prevent dust from entering the interior of the back-to-back double-sided LCD display, so as to improve the service life and stability of the device .

In a specific implementation, two USB sockets 113 are embedded on the top of the fixing frame 104 , and the USB sockets 113 are electrically connected to the main control board 112 .

In the specific implementation, two vertical steel pipes 108 are symmetrically arranged on the top of the fixing frame 104, and the steel pipes 108 and the fixing frame 104 are connected by screws or welding. Above the fixing frame 104, the power lines and signal lines used to connect the back-to-back double-sided LCD displays are connected to the outside through the through holes in the steel pipes 108. In addition, during construction, they are supported by two steel pipes 108 to connect the back-to-back double-sided LCD displays. The LCD display is suspended for installation.

The back-to-back double-sided LCD display of the utility model can be applied to places such as stations, roads, hospitals, etc., and displays the same information on the same screen. The whole is a modular design, and the installation and maintenance are very simple.

Although the specific embodiments of the present invention have been described above, those skilled in the art should understand that these are only examples, and various changes or modifications can be made to the embodiments without departing from the principles and essence of the present invention. The protection scope of the present invention is limited only by the appended claims.

Claims (5)

1. a kind of back-to-back double-sided LCD display, which is characterized in that described including fixed frame, two pieces of panels and two liquid crystal displays The frame of fixed frame is intracavitary to be equipped with the partition that the frame chamber is separated into two symmetrical installation cavitys, and two liquid crystal displays pass through installation Bracket is inlaid in respectively in two installation cavitys, and two pieces of panel difference the covers connect on two liquid crystal displays and with the frame of fixed frame It connects；

It is constant current plate, signal distribution board, DC-DC power source conversion plate and master control borad, the perseverance that the frame chamber of the fixed frame, which is additionally provided with, Flowing plate is connect with the backlight line of two liquid crystal displays respectively, and the master control borad passes through the signal distribution board screen with two liquid crystal displays respectively The power supply line of aobvious line connection, the DC-DC power source conversion plate and master control borad, two liquid crystal displays is separately connected to provide electric energy.

2. back-to-back double-sided LCD display according to claim 1, which is characterized in that the panel is surrounding with strong The frame of the acrylic board of magnetic, the fixed frame is equipped with magnet, and the magnet is connect with acrylic board magnetic suck.

3. back-to-back double-sided LCD display according to claim 2, which is characterized in that the circumferential side frame of the fixed frame Dust-proof cotton is equipped with the region that acrylic board is mutually withheld.

4. back-to-back double-sided LCD display according to claim 3, which is characterized in that be embedded at the top of the fixed frame There are two USB socket, the USB socket is electrically connected with master control borad.

5. back-to-back double-sided LCD display according to any one of claims 1 to 4, which is characterized in that the fixed frame Top is symmetrically arranged with two vertical steel pipes, and the steel pipe and fixed frame pass through screw or welded connecting.