CN211654269U

Movatterモバイル変換

Info

Publication number: CN211654269U
Application number: CN202020203505.9U
Authority: CN
Inventors: 吴瑞彬; 李国柱
Original assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd
Current assignee: Qstech Co Ltd
Priority date: 2020-02-24
Filing date: 2020-02-24
Publication date: 2020-10-09
Anticipated expiration: 2030-02-24

Abstract

本实用新型涉及一种双屏LED一体机的显示控制电路及双屏LED一体机。双屏LED一体机的显示控制电路包括视频处理器、第一安卓卡、第二安卓卡、第一发送卡、第二发送卡以及相互拼接的第一LED显示屏和第二LED显示屏；所述第一安卓卡分别与所述视频处理器和所述第一发送卡连接，所述第二安卓卡分别与所述视频处理器和所述第二发送卡连接，所述第一发送卡还与所述第一LED显示屏连接，所述第二发送卡还与所述第二LED显示屏连接；所述第一安卓卡和所述第二安卓卡分别通过所述第一发送卡和所述第二发送卡将所述显示参数调节指令输出至所述第一LED显示屏和所述第二LED显示屏。本实用新型通过显示控制电路实现了对双屏LED显示参数的同步调节，保证显示参数的一致性。

The utility model relates to a display control circuit of a dual-screen LED integrated machine and a dual-screen LED integrated machine. The display control circuit of the dual-screen LED all-in-one machine includes a video processor, a first Android card, a second Android card, a first sending card, a second sending card, and a first LED display screen and a second LED display screen spliced to each other; The first Android card is respectively connected with the video processor and the first sending card, the second Android card is connected with the video processor and the second sending card respectively, and the first sending card is also It is connected with the first LED display screen, and the second sending card is also connected with the second LED display screen; the first Android card and the second Android card pass through the first sending card and the second Android card respectively. The second sending card outputs the display parameter adjustment instruction to the first LED display screen and the second LED display screen. The utility model realizes the synchronous adjustment of the dual-screen LED display parameters through the display control circuit, and ensures the consistency of the display parameters.

Description

Translated fromChinese

双屏LED一体机的显示控制电路及双屏LED一体机Display control circuit of dual-screen LED all-in-one machine and dual-screen LED all-in-one machine

技术领域technical field

本实用新型涉及LED显示技术领域，特别是涉及一种双屏LED一体机的显示控制电路及双屏LED一体机。The utility model relates to the technical field of LED display, in particular to a display control circuit of a dual-screen LED integrated machine and a dual-screen LED integrated machine.

背景技术Background technique

随着LED显示技术的不断发展，LED相关产品越来越丰富。在一些大型会议场景中，场地的背景墙往往长度方向空间较大，但是高度受制于层高无法增加，这时通常需要用到两台LED显示屏相互拼接，以达到更好的观看效果。With the continuous development of LED display technology, LED related products are becoming more and more abundant. In some large conference scenes, the background wall of the venue often has a large space in the length direction, but the height cannot be increased due to the height of the floor. In this case, two LED displays are usually spliced to each other to achieve a better viewing effect.

目前的LED显示屏在拼接后仍需要通过外接机柜和PC控制模块进行操控，其制作成本高、电路连线复杂、所占用的空间大，并且在对两个LED显示屏的亮度、对比度等参数进行调节时难以实现同步。The current LED display screen still needs to be controlled by an external cabinet and a PC control module after splicing, which has high production cost, complicated circuit connection, and occupies a large space. Synchronization is difficult when making adjustments.

实用新型内容Utility model content

基于此，本实用新型提供了一种双屏LED一体机的显示控制电路及双屏LED一体机，实现了对两个LED显示屏显示参数的同步调节。Based on this, the utility model provides a display control circuit of a dual-screen LED integrated machine and a dual-screen LED integrated machine, which realizes the synchronous adjustment of the display parameters of the two LED display screens.

第一方面，本实用新型提供了一种双屏LED一体机的显示控制电路，包括：视频处理器、第一安卓卡、第二安卓卡、第一发送卡、第二发送卡以及相互拼接的第一LED显示屏和第二LED显示屏；In the first aspect, the present utility model provides a display control circuit of a dual-screen LED integrated machine, comprising: a video processor, a first Android card, a second Android card, a first sending card, a second sending card, and a a first LED display screen and a second LED display screen;

所述第一安卓卡分别与所述视频处理器和所述第一发送卡连接，所述第二安卓卡分别与所述视频处理器和所述第二发送卡连接，所述第一发送卡还与所述第一LED显示屏连接，所述第二发送卡还与所述第二LED显示屏连接；The first Android card is respectively connected with the video processor and the first sending card, the second Android card is connected with the video processor and the second sending card respectively, the first sending card is also connected with the first LED display screen, and the second sending card is also connected with the second LED display screen;

所述第一安卓卡接收用户输入的显示参数调节指令，将所述显示参数调节指令通过所述视频处理器透传至所述第二安卓卡；The first Android card receives the display parameter adjustment instruction input by the user, and transparently transmits the display parameter adjustment instruction to the second Android card through the video processor;

所述第一安卓卡和所述第二安卓卡分别通过所述第一发送卡和所述第二发送卡将所述显示参数调节指令输出至所述第一LED显示屏和所述第二LED显示屏，以使所述第一LED显示屏和所述第二LED显示屏分别根据所述显示参数调节指令同步调节显示参数。The first Android card and the second Android card respectively output the display parameter adjustment instruction to the first LED display screen and the second LED through the first sending card and the second sending card A display screen, so that the first LED display screen and the second LED display screen respectively adjust display parameters synchronously according to the display parameter adjustment instructions.

可选的，所述视频处理器还分别与所述第一发送卡和所述第二发送卡连接；Optionally, the video processor is further connected to the first sending card and the second sending card respectively;

所述第一安卓卡还发送显示模式调节指令至所述视频处理器，其中，所述显示模式调节指令至少包括以下一种指令：显示信号融合指令、显示信号复制指令、显示信号缩放指令和显示信号切割指令；The first Android card also sends a display mode adjustment instruction to the video processor, wherein the display mode adjustment instruction includes at least one of the following instructions: a display signal fusion instruction, a display signal duplication instruction, a display signal scaling instruction and a display signal Signal cutting command;

所述视频处理器接收至少一个外部终端设备、第一安卓卡和/或第二安卓卡发送的显示信号，并根据所述显示模式调节指令处理接收到的显示信号，得到第一显示信号和第二显示信号，所述视频处理器将所述第一显示信号通过所述第一发送卡发送至所述第一LED显示屏显示，以及将所述第二显示信号通过所述第二发送卡发送至所述第二LED显示屏显示。The video processor receives the display signal sent by at least one external terminal device, the first Android card and/or the second Android card, and processes the received display signal according to the display mode adjustment instruction to obtain the first display signal and the second display signal. Two display signals, the video processor sends the first display signal to the first LED display screen for display through the first sending card, and sends the second display signal through the second sending card to the second LED display screen.

可选的，所述第一安卓卡和所述第二安卓卡上均设置有显示信号输入接口；Optionally, both the first Android card and the second Android card are provided with a display signal input interface;

所述第一安卓和第二安卓卡通过所述显示信号输入接口分别接收外部终端设备发送的显示信号，并将所述显示信号发送至所述视频处理器。The first Android card and the second Android card respectively receive a display signal sent by an external terminal device through the display signal input interface, and send the display signal to the video processor.

可选的，所述双屏LED一体机的显示控制电路还包括：按键板；Optionally, the display control circuit of the dual-screen LED all-in-one machine further includes: a key board;

所述按键板与所述第一安卓卡电连接，并根据用户的输入，输出显示参数调节指令和/或显示模式调节指令至所述第一安卓卡。The key board is electrically connected to the first Android card, and outputs a display parameter adjustment instruction and/or a display mode adjustment instruction to the first Android card according to a user's input.

可选的，所述按键板上设置有天线模块和USB接口；Optionally, an antenna module and a USB interface are provided on the key board;

所述天线模块接收遥控装置发送的所述参数调节指令和/或所述显示模式调节指令输出至所述第一安卓卡；The antenna module receives the parameter adjustment instruction and/or the display mode adjustment instruction sent by the remote control device and outputs it to the first Android card;

所述按键板通过所述USB接口获取USB设备中的显示信号，并将所述显示信号发送至所述第一安卓卡。The key board obtains the display signal in the USB device through the USB interface, and sends the display signal to the first Android card.

第二方面，本实用新型提供了一种双屏LED一体机，包括：双屏LED一体机的显示控制电路；In a second aspect, the utility model provides a dual-screen LED all-in-one machine, comprising: a display control circuit of the dual-screen LED all-in-one machine;

所述双屏LED一体机的显示控制电路包括视频处理器、第一安卓卡、第二安卓卡、第一发送卡、第二发送卡以及相互拼接的第一LED显示屏和第二LED显示屏；The display control circuit of the dual-screen LED all-in-one machine includes a video processor, a first Android card, a second Android card, a first sending card, a second sending card, and a first LED display screen and a second LED display screen spliced with each other ;

可选的，所述双屏LED一体机还包括：按键板；Optionally, the dual-screen LED all-in-one machine further includes: a key board;

可选的，所述双屏LED一体机还包括：下边框；Optionally, the dual-screen LED all-in-one machine further includes: a lower frame;

所述下边框固定设置在所述第一LED显示屏和第二LED显示屏的下侧，所述下边框内形成收容空间，所述视频处理器、所述第一安卓卡、所述第二安卓卡、所述第一发送卡和所述第二发送卡设置于所述收容空间内；所述按键板内嵌设置在所述下边框的前侧。The lower frame is fixedly arranged on the lower side of the first LED display screen and the second LED display screen, and a receiving space is formed in the lower frame, the video processor, the first Android card, the second The Android card, the first sending card and the second sending card are arranged in the receiving space; the key board is embedded in the front side of the lower frame.

在本实用新型的实施例中，第一安卓卡将用户输入的显示参数调节指令通过视频处理器透传至第二安卓卡，使第一安卓卡和第二安卓卡分别同步地通过发送卡将显示参数调节指令输出至对应的LED显示屏，从而保证了双屏LED显示参数的一致性，使用户仅需输入一次显示参数调节指令，即可同步调节两个LED显示屏的显示参数。In the embodiment of the present invention, the first Android card transparently transmits the display parameter adjustment instruction input by the user to the second Android card through the video processor, so that the first Android card and the second Android card are respectively synchronously sent to the second Android card through the sending card. The display parameter adjustment command is output to the corresponding LED display screen, thus ensuring the consistency of the dual-screen LED display parameters, so that the user only needs to input the display parameter adjustment command once to adjust the display parameters of the two LED display screens synchronously.

为了更好地理解和实施，下面结合附图详细说明本实用新型的技术方案。For better understanding and implementation, the technical solutions of the present utility model are described in detail below with reference to the accompanying drawings.

附图说明Description of drawings

图1为本实用新型一个实施例中双屏LED一体机的显示控制电路的结构示意图；1 is a schematic structural diagram of a display control circuit of a dual-screen LED all-in-one machine in an embodiment of the present invention;

图2为本实用新型另一个实施例中双屏LED一体机的显示控制电路的结构示意图；2 is a schematic structural diagram of a display control circuit of a dual-screen LED all-in-one machine in another embodiment of the present invention;

图3为本实用新型另一个实施例中双屏LED一体机的显示模式的示意图；3 is a schematic diagram of a display mode of a dual-screen LED all-in-one machine in another embodiment of the present invention;

图4为本实用新型一个实施例中双屏LED一体机的显示控制电路中按键板的结构示意图；4 is a schematic structural diagram of a key board in a display control circuit of a dual-screen LED all-in-one machine according to an embodiment of the present invention;

图5为本实用新型一个实施例中双屏LED一体机的整体结构示意图。5 is a schematic diagram of the overall structure of a dual-screen LED all-in-one machine according to an embodiment of the present invention.

具体实施方式Detailed ways

下面结合附图和实施例对本实用新型作进一步的详细说明。可以理解的是，此处所描述的具体实施例仅仅用于解释本实用新型，而非对本实用新型的限定。另外还需要说明的是，为了便于描述，附图中仅示出了与本实用新型相关的部分而非全部内容。The present utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, the accompanying drawings only show the part but not the whole content related to the present invention.

在本实用新型的描述中，需要理解的是，术语“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶部”、“底部”“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本实用新型和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本实用新型的限制。In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top" , "bottom", "inside", "outside", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that A device or element must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation of the present invention.

需要说明的是，当元件被称为“固定于”另一个元件，它可以是直接在另一个元件上或者也可以存在居中的元件。当一个元件被认为是“连接”另一个元件，它可以是直接连接到另一个元件或者可能同时存在居中元件。It should be noted that when an element is referred to as being "fixed to" 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.

下面给出几个具体的实施例，用于详细介绍本申请的技术方案。下面这几个具体的实施例可以相互结合，对于相同或相似的概念或过程可能在某些实施例不再赘述。Several specific embodiments are given below to introduce the technical solutions of the present application in detail. The following specific embodiments may be combined with each other, and the same or similar concepts or processes may not be repeated in some embodiments.

请参阅图1，图1为本实用新型一个实施例中双屏LED一体机的显示控制电路的结构示意图。本实施例提供的双屏LED一体机的显示控制电路包括视频处理器10、第一安卓卡11、第二安卓卡12、第一发送卡13、第二发送卡14以及相互拼接的第一LED显示屏15和第二LED显示屏16。Please refer to FIG. 1 . FIG. 1 is a schematic structural diagram of a display control circuit of a dual-screen LED all-in-one machine according to an embodiment of the present invention. The display control circuit of the dual-screen LED all-in-one machine provided in this embodiment includes avideo processor 10, a first Androidcard 11, a second Androidcard 12, afirst sending card 13, asecond sending card 14, and a first LED spliced with eachother Display screen 15 and secondLED display screen 16 .

所述视频处理器10为LED视频处理器，其能够将外部的显示信号转化为LED显示屏能够接收并显示的信号。Thevideo processor 10 is an LED video processor, which can convert an external display signal into a signal that the LED display screen can receive and display.

所述第一安卓卡11和所述第二安卓卡12均为搭载安卓系统的芯片，其中，采用的安卓系统为常用于移动设备，如智能手机和平板电脑的操作系统，可接收移动设备和PC端发送的操作指令，并解析操作指令完成相应的任务。具体地，对于第一安卓卡和第二安卓卡的型号在此不做限制。The first Androidcard 11 and the second Androidcard 12 are chips equipped with the Android system, wherein the Android system used is an operating system commonly used in mobile devices, such as smart phones and tablet computers, and can receive mobile devices and tablets. The operation instructions sent by the PC end, and parse the operation instructions to complete the corresponding tasks. Specifically, the models of the first Android card and the second Android card are not limited here.

所述第一发送卡13和所述第二发送卡14为转发指令及显示信号的板卡，其内部通常包括各种类型的数据接收端口及发送端口，例如：HDMI端口、DVI端口等。Thefirst sending card 13 and thesecond sending card 14 are boards that forward commands and display signals, and usually include various types of data receiving ports and sending ports, such as HDMI ports, DVI ports, and the like.

所述第一LED显示屏15和所述第二LED显示屏16由LED灯珠组成的点阵构成，其能够进行文字、图片和视频等内容的显示，其可以为任意尺寸的单色LED显示屏、双色LED显示屏或三色(全彩)LED显示屏，且可以用于户外使用。The firstLED display screen 15 and the secondLED display screen 16 are composed of a dot matrix composed of LED lamp beads, which can display content such as text, pictures, and videos, and can be a single-color LED display of any size. screen, two-color LED display or three-color (full color) LED display, and can be used for outdoor use.

所述第一安卓卡11分别与所述视频处理器10和所述第一发送卡13连接，所述第二安卓卡12分别与所述视频处理器10和所述第二发送卡14连接，所述第一发送卡13还与所述第一LED显示屏15连接，所述第二发送卡14还与所述第二LED显示屏16连接。Thefirst Android card 11 is respectively connected with thevideo processor 10 and the first sendingcard 13, thesecond Android card 12 is connected with thevideo processor 10 and thesecond sending card 14 respectively, Thefirst sending card 13 is also connected to the firstLED display screen 15 , and thesecond sending card 14 is also connected to the secondLED display screen 16 .

所述第一安卓卡11接收用户输入的显示参数调节指令，将所述显示参数调节指令通过所述视频处理器10透传至所述第二安卓卡12；所述第一安卓卡11和所述第二安卓卡12还分别通过所述第一发送卡13和所述第二发送卡14将所述显示参数调节指令输出至所述第一LED显示屏15和所述第二LED显示屏16，以使所述第一LED显示屏15和所述第二LED显示屏16分别根据所述显示参数调节指令同步调节显示参数。Thefirst Android card 11 receives the display parameter adjustment instruction input by the user, and transparently transmits the display parameter adjustment instruction to thesecond Android card 12 through thevideo processor 10; Thesecond Android card 12 also outputs the display parameter adjustment instruction to the firstLED display screen 15 and the secondLED display screen 16 through the first sendingcard 13 and thesecond sending card 14 respectively. , so that the firstLED display screen 15 and the secondLED display screen 16 can respectively adjust the display parameters synchronously according to the display parameter adjustment instructions.

具体地，所述显示参数调节指令用于调节所述第一LED显示屏15和所述第二LED显示屏16的显示参数，所述显示参数是所述第一LED显示屏15和所述第二LED显示屏16的显示属性，具体可以包括LED显示屏的亮度、对比度和色温等显示属性，所述第一LED显示屏15和所述第二LED显示屏16能够根据通过显示参数调节指令进行上述显示属性的调节。Specifically, the display parameter adjustment instruction is used to adjust the display parameters of the firstLED display screen 15 and the secondLED display screen 16 , and the display parameters are the firstLED display screen 15 and the secondLED display screen 15 . The display properties of the secondLED display screen 16 may specifically include display properties such as brightness, contrast, and color temperature of the LED display screen. The firstLED display screen 15 and the secondLED display screen 16 can be adjusted according to the display parameter adjustment instructions. Adjustment of the above display properties.

在本申请实施例中，该双屏LED一体机的显示控制电路进行显示参数调节时的具体工作过程如下：In the embodiment of the present application, the specific working process when the display control circuit of the dual-screen LED all-in-one machine adjusts the display parameters is as follows:

首先，第一安卓卡11接收用户直接输入或通过外部设备输入的显示参数调节指令，在一些例子中，所述第一安卓卡11可以是与PC端连接，接收PC端发送的显示参数调节指令，在另一些例子中，所述第一安卓卡11还可以是与移动终端连接，接收移动终端发送的显示参数调节指令，此外，第一安卓卡11还可以接收遥控装置发送的显示参数调节指令。具体关于接收用户输入的显示参数调节指令的方式在此不作限制。First, thefirst Android card 11 receives a display parameter adjustment instruction directly input by the user or input through an external device. In some examples, thefirst Android card 11 may be connected to a PC and receive a display parameter adjustment instruction sent by the PC. , in other examples, thefirst Android card 11 may also be connected to a mobile terminal and receive a display parameter adjustment instruction sent by the mobile terminal. In addition, thefirst Android card 11 may also receive a display parameter adjustment instruction sent by the remote control device . The specific manner of receiving the display parameter adjustment instruction input by the user is not limited herein.

之后，第一安卓卡11将所述显示参数调节指令通过所述视频处理器10透传至所述第二安卓卡12，其中，透传是指在通讯中不管传输的业务内容，而是将传输的内容有源地址传输到目的地址，不对业务内容做任何改变。因而，所述显示参数调节指令在发送至视频处理器10之前，需将其标记为透传指令，在视频处理器10接收到所述显示参数调节指令时，先判断其指令类型是否为透传指令，若为透传指令，再根据目的地址，将所述显示参数调节指令发送至第二安卓卡12。After that, thefirst Android card 11 transparently transmits the display parameter adjustment instruction to thesecond Android card 12 through thevideo processor 10, wherein the transparent transmission means that regardless of the transmitted service content in the communication, the The transmitted content is transmitted from the source address to the destination address without making any changes to the service content. Therefore, before the display parameter adjustment instruction is sent to thevideo processor 10, it needs to be marked as a transparent transmission instruction. When thevideo processor 10 receives the display parameter adjustment instruction, it first determines whether the instruction type is transparent transmission. If the instruction is a transparent transmission instruction, the display parameter adjustment instruction is sent to thesecond Android card 12 according to the destination address.

最后，第一安卓卡11和第二安卓卡12还分别通过所述第一发送卡13和第二发送卡14将所述显示参数调节指令输出至所述第一LED显示屏15和所述第二LED显示屏16，以使所述第一LED显示屏15和所述第二LED显示屏16分别根据所述显示参数调节指令同步调节显示参数。Finally, thefirst Android card 11 and thesecond Android card 12 also output the display parameter adjustment instructions to the firstLED display screen 15 and the firstLED display screen 15 and the second through the first sendingcard 13 and thesecond sending card 14 respectively. Two LED display screens 16, so that the firstLED display screen 15 and the secondLED display screen 16 can respectively adjust display parameters synchronously according to the display parameter adjustment instructions.

本实施例中的双屏LED一体机的显示控制电路，通过第一安卓卡将用户输入的显示参数调节指令通过视频处理器透传至第二安卓卡，从而使第一安卓卡和第二安卓卡能够同步地分别通过发送卡将显示参数调节指令输出至对应的LED显示屏，实现了双屏LED显示参数的同步调节，保证了显示参数的同步一致性。The display control circuit of the dual-screen LED integrated machine in this embodiment transparently transmits the display parameter adjustment instruction input by the user to the second Android card through the first Android card through the video processor, so that the first Android card and the second Android card are transparently transmitted. The card can synchronously output the display parameter adjustment instructions to the corresponding LED display screen through the sending card respectively, which realizes the synchronous adjustment of the dual-screen LED display parameters and ensures the synchronous consistency of the display parameters.

在一个可选的实施例中，请参阅图2，图2为本实用新型另一个实施例中双屏LED一体机的显示控制电路的结构示意图。本实施例提供的显示控制电路与图1所述对应的实施例提供的显示控制电路的不同之处在于，所述视频处理器10还分别与所述第一发送卡13和第二发送卡14连接。In an optional embodiment, please refer to FIG. 2 , which is a schematic structural diagram of a display control circuit of a dual-screen LED all-in-one machine in another embodiment of the present invention. The difference between the display control circuit provided in this embodiment and the display control circuit provided by the corresponding embodiment shown in FIG. 1 is that thevideo processor 10 is further connected with the first sendingcard 13 and thesecond sending card 14 respectively. connect.

所述第一安卓卡11还发送显示模式调节指令至所述视频处理器10，其中，所述显示模式调节指令用于调节所述第一LED显示屏15和所述第二LED显示屏16的显示模式。Thefirst Android card 11 also sends a display mode adjustment instruction to thevideo processor 10, wherein the display mode adjustment instruction is used to adjust the display mode of thefirst LED display 15 and thesecond LED display 16. display mode.

所述显示模式为双屏LED显示图像或视频时的具体样式，请参阅图3，图3为本实用新型另一个实施例中双屏LED一体机的显示模式的示意图，具体示出了6种显示模式，包括：克隆模式、独立显示模式、连屏模式、主显侧分模式，侧联模式和单屏工作模式。需要说明的是，本实用新型提出的双屏LED一体机的显示模式并不局限于上述6种，可以根据用户需求进行调整。The display mode is the specific style when the dual-screen LED displays images or videos, please refer to FIG. 3 . FIG. 3 is a schematic diagram of the display mode of the dual-screen LED all-in-one machine in another embodiment of the present invention, specifically showing 6 kinds of display modes. Display modes, including: clone mode, independent display mode, multi-screen mode, main display side-split mode, side-connect mode and single-screen working mode. It should be noted that the display modes of the dual-screen LED all-in-one machine proposed by the present invention are not limited to the above-mentioned six types, and can be adjusted according to user needs.

所述显示模式调节指令至少包括以下一种指令：显示信号融合指令、显示信号复制指令、显示信号缩放指令和显示信号切割指令。The display mode adjustment instruction includes at least one of the following instructions: a display signal fusion instruction, a display signal duplication instruction, a display signal scaling instruction, and a display signal cutting instruction.

所述视频处理器10接收至少一个外部终端设备20、第一安卓卡11和/或第二安卓卡12发送的显示信号，并根据所述显示模式调节指令处理接收到的显示信号，得到第一显示信号和第二显示信号，所述视频处理器将所述第一显示信号通过所述第一发送卡13发送至第一LED显示屏15，以及将所述第二显示信号通过所述第二发送卡14发送至第二LED显示屏16显示。Thevideo processor 10 receives the display signal sent by at least oneexternal terminal device 20, thefirst Android card 11 and/or thesecond Android card 12, and processes the received display signal according to the display mode adjustment instruction to obtain the first display signal. Display signal and second display signal, the video processor sends the first display signal to the firstLED display screen 15 through the first sendingcard 13, and sends the second display signal through the second display signal The sendingcard 14 sends it to the secondLED display screen 16 for display.

具体地，所述显示模式调节指令至少包括以下一种指令：显示信号融合指令、显示信号复制指令、显示信号缩放指令和显示信号切割指令。下面对上述提出的指令进行详细说明：Specifically, the display mode adjustment instruction includes at least one of the following instructions: a display signal fusion instruction, a display signal duplication instruction, a display signal scaling instruction, and a display signal cutting instruction. The above-mentioned commands are described in detail below:

(1)显示信号融合指令，该指令用于指示将多路显示信号进行拼接融合，例如：显示信号包括显示信号A和显示信号B，显示信号A表示为

为显示信号帧，显示信号B表示为

为显示信号帧，显示信号融合指令用于指示将显示信号A与显示信号B拼接融合，形成显示信号AB，显示信号AB表示为

(1) Display signal fusion instruction, which is used to instruct the multi-channel display signal to be spliced and fused. For example, the display signal includes display signal A and display signal B, and display signal A is expressed as

To display the signal frame, the display signal B is expressed as

In order to display the signal frame, the display signal fusion instruction is used to instruct the display signal A and the display signal B to be spliced and fused to form the display signal AB, and the display signal AB is expressed as:

(2)显示信号复制指令，该指令用于指示将至少一路显示信号进行复制，例如：根据显示信号复制指令，将显示信号A进行复制得到显示信号AA，其中，显示信号A表示为

显示信号AA为

(2) The display signal copy instruction, which is used to instruct at least one display signal to be copied, for example: according to the display signal copy instruction, the display signal A is copied to obtain the display signal AA, wherein the display signal A is expressed as

Display signal AA is

(3)显示信号缩放指令，该指令用于指示横向拉伸或纵向拉伸显示信号，以实现显示画面的缩小和放大；(3) Display signal scaling instruction, which is used to instruct horizontal stretching or vertical stretching of the display signal, so as to realize the reduction and enlargement of the display screen;

(4)显示信号切割指令，该指令用于指示切割显示信号，例如：将显示信号A切割为m份，即将

切割为

该显示信号切割指令通常与显示信号融合指令一同使用，实现对切割后的显示信号的进一步拼接融合。(4) Display signal cutting instruction, which is used to instruct to cut the display signal, for example: cut the display signal A into m parts, that is, to cut the display signal A into m parts.

cut to

The display signal cutting instruction is usually used together with the display signal fusion instruction to realize further splicing and fusion of the cut display signal.

在本申请实施例中，该双屏LED一体机的显示控制电路进行显示模式调节时的具体工作过程如下：In the embodiment of the present application, the specific working process when the display control circuit of the dual-screen LED all-in-one machine adjusts the display mode is as follows:

视频处理器10接收至少一个外部终端设备17、第一安卓卡11和/或第二安卓卡12发送的显示信号。在一些例子中，视频处理器10可以单独接收一个外部终端设备17、第一安卓卡或第二安卓卡发送的显示信号。在另一些例子中，视频处理器10也可以同时接收多路显示信号，多路显示信号可以为多个外部终端设备17同时发送的显示信号，也可以为第二安卓卡11和第二安卓卡12同时发送的显示信号，还可以为外部终端设备17和第一安卓卡11、第二安卓卡12同时发送的显示信号。其中，视频处理器10中接收显示信号的接口在本实施例中为HDMI接口，在其他实施例中，也可以为其他接口类型，在此不做限制。Thevideo processor 10 receives display signals sent by at least oneexternal terminal device 17 , thefirst Android card 11 and/or thesecond Android card 12 . In some examples, thevideo processor 10 can individually receive a display signal sent by anexternal terminal device 17, the first Android card or the second Android card. In other examples, thevideo processor 10 may also receive multiple display signals at the same time, and the multiple display signals may be display signals simultaneously sent by multiple externalterminal devices 17, or may be thesecond Android card 11 and the second Android card The display signal simultaneously sent by 12 may also be the display signal simultaneously sent by the externalterminal device 17 and thefirst Android card 11 and thesecond Android card 12 . The interface for receiving the display signal in thevideo processor 10 is an HDMI interface in this embodiment, and may also be other interface types in other embodiments, which is not limited herein.

第一安卓卡11发送显示模式调节指令至所述视频处理器10，所述视频处理器10根据所述显示模式调节指令处理接收到的显示信号，得到第一显示信号和第二显示信号，并将所述第一显示信号发送至所述第一发送卡13，以及将所述第二显示信号发送至所述第二发送卡14。所述第一发送卡13和所述第二发送卡14分别将所述第一显示信号和所述第二显示信号发送至所述第一LED显示屏15和第二LED显示屏显示16。Thefirst Android card 11 sends a display mode adjustment instruction to thevideo processor 10, and thevideo processor 10 processes the received display signal according to the display mode adjustment instruction to obtain the first display signal and the second display signal, and The first display signal is sent to the first sendingcard 13 , and the second display signal is sent to thesecond sending card 14 . Thefirst sending card 13 and thesecond sending card 14 respectively send the first display signal and the second display signal to the firstLED display screen 15 and the secondLED display screen 16 for display.

下面以较为复杂的主显侧分模式和侧联模式为例，详细说明双屏LED一体机实现多种显示模式的过程。The following takes the more complex main display side-splitting mode and side-connecting mode as an example to describe in detail the process of realizing multiple display modes of the dual-screen LED all-in-one machine.

当用户选择主显侧分模式时，显示模式调节指令包括显示信号融合指令和显示信号缩放指令，首先，视频处理器10根据显示信号缩放指令将B1，B2，B3，B4四路显示信号进行缩小操作，之后根据显示信号融合指令将缩小后的四路显示信号进行融合拼接，再将融合后的四路显示信号与显示信号A进行拼接，得到最终的显示信号；之后，视频处理器10根据预先设置的起始地址和显示宽度将最终的显示信号截取分为第一显示信号和第二显示信号，再将所述第一显示信号发送至所述第一发送卡13，将所述第二显示信号发送至所述第二发送卡14；最后，第一发送卡13和所述第二发送卡14分别将所述第一显示信号和所述第二显示信号发送至所述第一LED显示屏15和第二LED显示屏显示16，实现主显侧分模式。此时，双屏LED一体机能够同时播放五路显示信号。When the user selects the main display side split mode, the display mode adjustment instruction includes a display signal fusion instruction and a display signal scaling instruction. First, thevideo processor 10 reduces the four-channel display signals B1, B2, B3, and B4 according to the display signal scaling instruction. operation, and then fuse and splicing the reduced four-channel display signals according to the display signal fusion instruction, and then splices the fused four-channel display signals and the display signal A to obtain the final display signal; The set start address and display width cut the final display signal into a first display signal and a second display signal, and then send the first display signal to the first sendingcard 13, and send the second display signal to the second display signal. The signal is sent to thesecond sending card 14; finally, the first sendingcard 13 and thesecond sending card 14 respectively send the first display signal and the second display signal to the firstLED display screen 15 and the secondLED display display 16 to realize the main display side split mode. At this time, the dual-screen LED all-in-one machine can play five display signals at the same time.

当用户选择侧联模式时，显示模式调节指令包括显示信号融合指令和显示信号切割指令，首先，视频处理器10根据显示信号切割指令将显示信号B切割为显示信号B1和B2，之后根据显示信号融合指令拼接显示信号B1、显示信号A和显示信号B2，得到最终的显示信号；之后，视频处理器10根据预先设置的起始地址和显示宽度将最终的显示信号截取分为第一显示信号和第二显示信号，再将所述第一显示信号发送至所述第一发送卡13，将所述第二显示信号发送至所述第二发送卡14；最后，第一发送卡13和所述第二发送卡14分别将所述第一显示信号和所述第二显示信号发送至所述第一LED显示屏15和第二LED显示屏显示16，实现侧联模式。此时，双屏LED一体机能够实现双侧屏显示。When the user selects the side connection mode, the display mode adjustment instruction includes the display signal fusion instruction and the display signal cutting instruction. First, thevideo processor 10 cuts the display signal B into the display signals B1 and B2 according to the display signal cutting instruction, and then according to the display signal The display signal B1, the display signal A and the display signal B2 are spliced together by the fusion instruction to obtain the final display signal; after that, thevideo processor 10 intercepts the final display signal into the first display signal and the display width according to the preset start address and display width. the second display signal, and then send the first display signal to the first sendingcard 13, and send the second display signal to thesecond sending card 14; finally, the first sendingcard 13 and the Thesecond sending card 14 sends the first display signal and the second display signal to the firstLED display screen 15 and the secondLED display screen 16 respectively to realize the side connection mode. At this time, the dual-screen LED all-in-one machine can realize dual-screen display.

在一个可选的实施例中，所述第一安卓卡11和所述第二安卓卡12上均设置有显示信号输入接口；所述第一安卓卡11和第二安卓卡12通过所述显示信号输入接口分别接收外部终端设备发送的显示信号，并将所述显示信号发送至所述视频处理器10。In an optional embodiment, both thefirst Android card 11 and thesecond Android card 12 are provided with a display signal input interface; thefirst Android card 11 and thesecond Android card 12 pass the display The signal input interfaces respectively receive display signals sent by external terminal devices, and send the display signals to thevideo processor 10 .

其中，显示信号输入接口可以为无线数据接口或有线数据接口，对于接口的类型在此不做限制，凡是能够进行视频数据传输的接口类型均在本实用新型的保护范围内。The display signal input interface may be a wireless data interface or a wired data interface, and the type of the interface is not limited here, and any interface type capable of video data transmission is within the protection scope of the present invention.

在一个可选的实施例中，请参阅图4，所述双屏LED一体机的显示控制电路还包括按键板17，所述按键板17与所述第一安卓卡11电连接，并根据用户的输入，输出显示参数调节指令和/或显示模式调节指令至所述第一安卓卡11。In an optional embodiment, please refer to FIG. 4, the display control circuit of the dual-screen LED all-in-one machine further includes akey board 17, thekey board 17 is electrically connected to thefirst Android card 11, and according to the user , and output the display parameter adjustment instruction and/or the display mode adjustment instruction to thefirst Android card 11 .

所述按键板17是人机交互的操作界面，在本实施例中，具体采用触摸式按键板作为用户与双屏LED的交互界面，在其他实施例中，所述按键板17也可以是传统按钮式按键板。Thekey pad 17 is an operation interface for human-computer interaction. In this embodiment, a touch key pad is used as the interaction interface between the user and the dual-screen LED. In other embodiments, thekey pad 17 may also be a traditional one. Push-button keypad.

通过双屏LED一体机的显示控制电路中的按键板，使得用户能够直接操控按键板，即可实现同步调节相互拼接的两个LED显示屏的显示参数，并可快速切换多种显示模式。Through the key board in the display control circuit of the dual-screen LED all-in-one machine, the user can directly control the key board, so as to realize synchronous adjustment of the display parameters of the two LED display screens spliced with each other, and can quickly switch between various display modes.

可选的，所述按键板17上设置有天线模块(图未示出)和USB接口(图未示出)；所述天线模块接收遥控装置发送的所述参数调节指令和/或所述显示模式调节指令输出至所述第一安卓卡11；所述按键板17通过所述USB接口获取USB设备中的显示信号，并将所述显示信号发送至所述第一安卓卡17。Optionally, an antenna module (not shown in the figure) and a USB interface (not shown in the figure) are provided on thekey board 17; the antenna module receives the parameter adjustment instruction and/or the display sent by the remote control device The mode adjustment instruction is output to thefirst Android card 11 ; thekey board 17 obtains the display signal in the USB device through the USB interface, and sends the display signal to thefirst Android card 17 .

通过所述天线模块，使用户通过操控遥控器即可实现同步调节显示参数和切换显示模式，便于用户操作，增强用户体验。通过所述USB接口，使得第一安卓卡17还能够接收USB设备发送显示信号。Through the antenna module, the user can synchronously adjust the display parameters and switch the display mode by manipulating the remote controller, which is convenient for the user to operate and enhances the user experience. Through the USB interface, thefirst Android card 17 can also receive the display signal sent by the USB device.

请同时参阅图1和图5，其中，图5为本实用新型一个实施例中双屏LED一体机的结构示意图。该双屏LED一体机包括如图1所示的双屏LED一体机的显示控制电路，所述双屏LED一体机的显示控制电路包括视频处理器10、第一安卓卡11、第二安卓卡12、第一发送卡13、第二发送卡14以及相互拼接的第一LED显示屏15和第二LED显示屏16。Please refer to FIG. 1 and FIG. 5 at the same time, wherein FIG. 5 is a schematic structural diagram of a dual-screen LED all-in-one machine according to an embodiment of the present invention. The dual-screen LED all-in-one machine includes the display control circuit of the dual-screen LED all-in-one machine as shown in FIG. 1 , and the display control circuit of the dual-screen LED all-in-one machine includes avideo processor 10 , afirst Android card 11 , and asecond Android card 12. Thefirst sending card 13, thesecond sending card 14, and the firstLED display screen 15 and the secondLED display screen 16 spliced with each other.

通过双屏LED一体机的显示控制电路，实现了同步调节双屏LED的显示参数，且该双屏LED一体机无需连接外部设备、成本低且占用空间小。Through the display control circuit of the dual-screen LED all-in-one machine, the display parameters of the dual-screen LEDs can be adjusted synchronously, and the dual-screen LED all-in-one machine does not need to be connected to external equipment, has low cost, and occupies a small space.

在一个可选的实施例中，所述视频处理器10还分别与所述第一发送卡13和第二发送卡14连接。In an optional embodiment, thevideo processor 10 is further connected to the first sendingcard 13 and thesecond sending card 14, respectively.

所述第一安卓卡11发送显示模式调节指令至所述视频处理器10，其中，所述显示模式调节指令至少包括以下一种指令：显示信号融合指令、显示信号复制指令、显示信号缩放指令和显示信号切割指令。Thefirst Android card 11 sends a display mode adjustment instruction to thevideo processor 10, wherein the display mode adjustment instruction includes at least one of the following instructions: display signal fusion instruction, display signal duplication instruction, display signal scaling instruction and Displays the signal cutting command.

所述视频处理器10接收至少一个外部终端设备20、第一安卓卡11和/或第二安卓卡12发送的显示信号，并根据所述显示模式调节指令处理接收到的显示信号，得到第一显示信号和第二显示信号，所述视屏处理器10将所述第一显示信号发送通过所述第一发送卡13发送至所述第一LED显示屏15显示，以及将所述第二显示信号通过所述第二发送卡14发送至第二LED显示屏16显示。Thevideo processor 10 receives the display signal sent by at least oneexternal terminal device 20, thefirst Android card 11 and/or thesecond Android card 12, and processes the received display signal according to the display mode adjustment instruction to obtain the first display signal. Display signal and second display signal, thevideo processor 10 sends the first display signal to the firstLED display screen 15 through the first sendingcard 13 for display, and sends the second display signal It is sent to the secondLED display screen 16 through thesecond sending card 14 for display.

具体地，该显示模式指令与上述显示模式指令相同，双屏LED一体机的显示控制电路的工作过程也均相同，在此不再赘述。Specifically, the display mode command is the same as the above-mentioned display mode command, and the working process of the display control circuit of the dual-screen LED all-in-one machine is also the same, which will not be repeated here.

在一个可选的实施例中，所述第一安卓卡和所述第二安卓卡上均设置有显示信号输入接口；所述第一安卓和第二安卓卡通过所述显示信号输入接口分别接收外部终端设备发送的显示信号，并将所述显示信号发送至所述视频处理器。In an optional embodiment, both the first Android card and the second Android card are provided with a display signal input interface; the first Android card and the second Android card respectively receive the display signal through the display signal input interface Display signals sent by an external terminal device, and send the display signals to the video processor.

在另一个可选的实施例中，双屏LED一体机还包括：按键板；所述按键板与所述第一安卓卡电连接，并根据用户的输入，输出显示参数调节指令和/或显示模式调节指令至所述第一安卓卡。通过在双屏LED一体机中设置按键板，更加便于用户进行显示参数的调节和显示模式的切换。In another optional embodiment, the dual-screen LED all-in-one machine further includes: a key board; the key board is electrically connected to the first Android card, and outputs a display parameter adjustment instruction and/or display according to a user's input Mode adjustment instructions to the first Android card. By setting the key board in the dual-screen LED all-in-one machine, it is more convenient for the user to adjust the display parameters and switch the display mode.

请参阅图5，在一个可选的实施例中，所述双屏LED一体机还包括下边框18，所述下边框18固定设置在所述第一LED显示屏15和第二LED显示屏16的下侧，所述下边框18内形成收容空间，所述视频处理器10、所述第一安卓卡11、所述第二安卓卡12、所述第一发送卡13和所述第二发送卡14设置于所述收容空间内；所述按键板17内嵌设置在所述下边框18的前侧。Referring to FIG. 5 , in an optional embodiment, the dual-screen LED all-in-one machine further includes a lower frame 18 , and the lower frame 18 is fixedly arranged on the firstLED display screen 15 and the secondLED display screen 16 On the lower side of the device, a receiving space is formed in the lower frame 18, thevideo processor 10, thefirst Android card 11, thesecond Android card 12, the first sendingcard 13 and the second sending card Thecard 14 is disposed in the receiving space; thekey board 17 is embedded in the front side of the lower frame 18 .

本实用新型提供的双屏LED一体机通过显示控制电路实现对于双屏显示参数的同步控制，以及多种显示模式的快速切换，使用户通过按键板或遥控器即可操控，方便用户使用。并且，通过将各种板卡和线材集成隐藏在下边框内的收容空间中，进一步减小了LED一体机中的占用空间，外观简洁，提高了一体化程度。The dual-screen LED all-in-one machine provided by the utility model realizes the synchronous control of the dual-screen display parameters and the rapid switching of various display modes through the display control circuit, so that the user can control it through the key board or the remote control, which is convenient for the user to use. Moreover, by integrating and hiding various boards and wires in the accommodating space in the lower frame, the space occupied in the LED all-in-one machine is further reduced, the appearance is simple, and the degree of integration is improved.

以上所述实施例仅表达了本实用新型的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对本实用新型专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本实用新型构思的前提下，还可以做出若干变形和改进，这些都属于本实用新型的保护范围。The above-mentioned embodiments only represent several embodiments of the present invention, and the descriptions thereof are specific and detailed, but should not be construed as limiting the scope of the present invention. It should be pointed out that for those of ordinary skill in the art, some modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention.

Claims

Translated fromChinese

1.一种双屏LED一体机的显示控制电路，其特征在于，包括：视频处理器、第一安卓卡、第二安卓卡、第一发送卡、第二发送卡以及相互拼接的第一LED显示屏和第二LED显示屏；1. A display control circuit for a dual-screen LED all-in-one machine, characterized in that it comprises: a video processor, a first Android card, a second Android card, a first sending card, a second sending card and the first LED spliced with each other Display and second LED display;

2.根据权利要求1所述的双屏LED一体机的显示控制电路，其特征在于：2. The display control circuit of the dual-screen LED all-in-one machine according to claim 1, wherein:

所述视频处理器还分别与所述第一发送卡和所述第二发送卡连接；The video processor is also connected to the first sending card and the second sending card respectively;

3.根据权利要求2所述的双屏LED一体机的显示控制电路，其特征在于：所述第一安卓卡和所述第二安卓卡上均设置有显示信号输入接口；3. The display control circuit of the dual-screen LED all-in-one machine according to claim 2, wherein the first Android card and the second Android card are provided with a display signal input interface;

4.根据权利要求2所述的双屏LED一体机的显示控制电路，其特征在于，还包括：按键板；4. The display control circuit of the dual-screen LED all-in-one machine according to claim 2, further comprising: a key board;

5.根据权利要求4所述的双屏LED一体机的显示控制电路，其特征在于：所述按键板上设置有天线模块和USB接口；5. The display control circuit of the dual-screen LED all-in-one machine according to claim 4, wherein an antenna module and a USB interface are provided on the key board;

6.一种双屏LED一体机，其特征在于，包括：双屏LED一体机的显示控制电路；6. A dual-screen LED all-in-one machine, comprising: a display control circuit of the dual-screen LED all-in-one machine;

7.根据权利要求6所述的双屏LED一体机，其特征在于：7. The dual-screen LED all-in-one machine according to claim 6, wherein:

8.根据权利要求7所述的双屏LED一体机，其特征在于：所述第一安卓卡和所述第二安卓卡上均设置有显示信号输入接口；8. The dual-screen LED all-in-one machine according to claim 7, wherein the first Android card and the second Android card are provided with display signal input interfaces;

9.根据权利要求7所述的双屏LED一体机，其特征在于，还包括：按键板；所述按键板与所述第一安卓卡电连接，并根据用户的输入，输出显示参数调节指令和/或显示模式调节指令至所述第一安卓卡。9 . The dual-screen LED all-in-one machine according to claim 7 , further comprising: a key board; the key board is electrically connected to the first Android card, and outputs a display parameter adjustment instruction according to a user's input. 10 . and/or display mode adjustment instructions to the first Android card.

10.根据权利要求9所述的双屏LED一体机，其特征在于，还包括：下边框；10 . The dual-screen LED all-in-one machine according to claim 9 , further comprising: a lower frame; 10 .