CN216957394U - Table tablet double-screen different display system - Google Patents
Table tablet double-screen different display system Download PDFInfo
- Publication number
- CN216957394U CN216957394U CN202220503994.9U CN202220503994U CN216957394U CN 216957394 U CN216957394 U CN 216957394U CN 202220503994 U CN202220503994 U CN 202220503994U CN 216957394 U CN216957394 U CN 216957394U
- Authority
- CN
- China
- Prior art keywords
- screen
- control mcu
- display screen
- power
- double
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Digital Computer Display Output (AREA)
Abstract
The utility model provides a different display system of table tablet double screen, including master control MCU, it is first, second display screen and power management chip, first display screen is connected with master control MCU with regard to as main operation interface, the second display screen is connected with master control MCU through happy liter LT7381 drive chip with regard to as the show interface, it is first, the second display screen respectively is connected with bias circuit and drive circuit in a poor light, drive circuit in a poor light is controlled by master control MCU, bias circuit and drive circuit in a poor light are supplied power by the power management chip. The utility model has the first display screen and the second display screen which are simultaneously controlled by the main control MCU, the first display screen is used for carrying out touch screen operation on the desk personnel (operating personnel), the second display screen is used for displaying contents to the desk personnel (opposite personnel), double-screen display is realized, the control is flexible, the high-end atmosphere is realized, and the use experience of a user is improved; the double screens are controlled by the same main control MCU, the structure is simple, and the cost is low; and the double-screen display can be flexibly selected to display different or same contents according to the requirements, so that the conference using requirements are met.
Description
Technical Field
The utility model relates to the technical field of conference table card display, in particular to a table card double-screen different display system.
Background
The conference table board is a label placed on the conference table and used for displaying names, units, jobs and other information of participants, and is various in types and different in functions.
At present, the LED LCD screen table tablet that adopts double screen structure mostly sets up the show that shows the picture around two display screens, and when the double screen structure of prior art realized the different demonstration of double screen (showing different content), generally need adopt two sets of controllers to control two screens respectively and show, has that the structure is complicated, and is with high costs, and the operation of being not convenient for, leads to the user to use the drawback of experiencing the difference.
SUMMERY OF THE UTILITY MODEL
Based on the table board double-screen different display system, the utility model provides the table board double-screen different display system, and the technical problems that the double-screen structure for realizing double-screen different display in the prior art is complex in structure, high in cost and inconvenient to operate, and the use experience of a user is poor are solved.
In order to achieve the purpose, the utility model provides a two-screen different display system for a table board, which comprises a main control MCU, a first display screen, a second display screen and a power management chip, wherein the first display screen is connected with the main control MCU to be used as a main operation interface, the second display screen is connected with the main control MCU through a Lesheng LT7381 driving chip to be used as a display interface, the first display screen and the second display screen are respectively connected with a bias circuit and a backlight driving circuit, the backlight driving circuit is controlled by the main control MCU, and the main control MCU, the bias circuit and the backlight driving circuit are all powered by the power management chip.
As a further preferable technical solution of the present invention, the main control MCU is connected to a WiFi module, the WiFi module is used for connecting to a wireless network to update display contents through external upper computer software, and the WiFi module is connected to a 2.4G antenna for receiving and transmitting wireless signals.
As a further preferable technical solution of the present invention, the main control MCU is connected to an RJ45 network interface through a network transformer, and the RJ45 network interface is used to connect to an ethernet to update the display content through external upper computer software.
As a further preferred technical solution of the present invention, the network transformer is further connected to the power management chip through a POE power supply module, so that the power management chip is powered by an ethernet connected to the RJ45 network interface.
As a further preferable technical solution of the present invention, the power management chip is connected to a power supply interface, and the power supply interface is used for being externally connected to a power adapter to supply power to the power management chip.
As a further preferable technical scheme of the utility model, the power management chip is connected with a lithium battery, a charging indicator light, a power on/off key and a power indicator light.
As a further preferable technical scheme of the utility model, the main control MCU is connected with a key screen-off key.
As a further preferable technical scheme of the utility model, the master control MCU is also connected with a storage chip, a CTP touch screen interface and a USB interface.
The resolution of the first display screen is 800x480, and the resolution of the second display screen is 1024x 600.
The table board double-screen different display system can be used as a conference table board, and is provided with a first display screen and a second display screen which are simultaneously controlled by a master control MCU (microprogrammed control unit), wherein the first display screen is used for performing touch screen operation on a table person (an operator), the second display screen is used for displaying content to the table person (an opposite person), double-screen display is realized, flexible control is realized, high-end atmosphere is realized, and the use experience of a user is improved; the double screens are controlled by the same main control MCU, the structure is simple, and the cost is low; and the double screens can be flexibly selected to display different or same contents according to the requirements, thereby well meeting the use requirements of the conference.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a system block diagram of an example provided by the two-screen display system of the table card of the present invention.
The objects, features and advantages of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The utility model will be further described with reference to the accompanying drawings and specific embodiments. In the preferred embodiments, the terms "upper", "lower", "left", "right", "middle" and "a" are used for clarity of description only, and are not used to limit the scope of the utility model, and the relative relationship between the terms and the terms is not changed or modified substantially without changing the technical content of the utility model.
As shown in fig. 1, the present invention provides a two-screen different display system for a table card, which comprises a main control MCU, a first display screen, a second display screen and a power management chip, wherein the first display screen is connected to the main control MCU as a main operation interface, the resolution of the first display screen is 800x480, the main control MCU is further connected to a CTP touch screen interface for performing touch operation on the first display screen, the second display screen is connected to the main control MCU as a display interface through a joy LT7381 driver chip, the resolution of the second display screen is 1024x600, so as to conveniently achieve high definition display, in practical use, the first display screen is used for controlling, and then the picture to be displayed is displayed on the second display screen, according to requirements, the first display screen and the second display screen display different or the same contents, the first display screen and the second display screen are respectively connected to a bias circuit and a backlight driver circuit, the backlight driving circuit is controlled by the master control MCU, and the master control MCU, the bias circuit and the backlight driving circuit are all powered by the power management chip.
The main control MCU is connected with a storage chip, the storage chip is used for storing programs, interfaces and related parameters for the main control MCU, and the USB interface is used as an updating interface of the programs.
Preferably, in order to save power, the main control MCU is connected to a key-off screen button, and the backlight of the first display screen can be turned off/on by the key-off screen button, so as to save power when the touch screen operation is not performed.
The utility model adopts a dual-communication mode, the main control MCU is connected with a WiFi module, the WiFi module is used for connecting a wireless network to update display contents through external upper computer software, and the WiFi module is connected with a 2.4G antenna for receiving and transmitting wireless signals; the main control MCU is connected with an RJ45 network interface through a network transformer, and the RJ45 network interface is used for connecting the Ethernet to update the display content through external upper computer software. In practical application, the Ethernet communication or the WiFi wireless communication can be flexibly selected according to requirements.
The network transformer adopts a dual-power supply mode, the network transformer is also connected with the power management chip through the POE power supply module, the power management chip is powered by the Ethernet connected with the RJ45 network interface, the power management chip is connected with a power supply interface, and the power supply interface is used for being externally connected with a power adapter to supply power to the power management chip. In practical application, the Ethernet can be flexibly selected to supply power or an external power adapter can be flexibly selected to supply power according to requirements.
In specific implementation, the power management chip is connected with a lithium battery, a charging indicator lamp, a power on/off button and a power indicator lamp. The lithium battery is used for charging when the power management chip supplies power through the Ethernet or the external power adapter supplies power, the charging indicator lamp is lightened to identify the state at the moment, and the lithium battery supplies power when the power management chip is not connected with the Ethernet or the external power adapter supplies power. The power on-off key is used for power on-off management of the power management chip, and the working state is indicated by the power indicator lamp.
Although specific embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are merely examples and that many variations or modifications may be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims.
Claims (9)
1. The utility model provides a different display system of table tablet double screen, its characterized in that, includes master control MCU, first display screen, second display screen and power management chip, first display screen with master control MCU connects in order as main operation interface, the second display screen through happy liter LT7381 driver chip with master control MCU connects in order as the show interface, first display screen and second display screen respectively are connected with bias circuit and drive circuit in a poor light, drive circuit in a poor light is controlled by master control MCU, bias circuit and drive circuit in a poor light by the power management chip power supply.
2. The table board double-screen different display system as claimed in claim 1, wherein the main control MCU is connected with a WiFi module, the WiFi module is used for connecting a wireless network to update display contents through external upper computer software, and the WiFi module is connected with a 2.4G antenna for receiving and transmitting wireless signals.
3. The table card double-screen different display system as claimed in claim 1, wherein the master control MCU is connected with an RJ45 network interface through a network transformer, and the RJ45 network interface is used for connecting with an ethernet to update the display contents through external upper computer software.
4. The table card dual screen differential display system of claim 3, wherein the network transformer is further connected with the power management chip through a POE power module to provide power to the power management chip through an RJ45 network interface connected Ethernet.
5. The table card double-screen different display system as claimed in claim 1, wherein the power management chip is connected with a power supply interface, and the power supply interface is used for externally connecting a power adapter to supply power to the power management chip.
6. The table board double-screen different display system as claimed in claim 1, wherein the power management chip is connected with a lithium battery, a charging indicator lamp, a power on/off button and a power indicator lamp.
7. The table card double-screen different display system as claimed in claim 1, wherein the main control MCU is connected with a key screen-off button.
8. The table card two-screen differential display system as recited in claim 1, wherein the resolution of the first display screen is 800x480 and the resolution of the second display screen is 1024x 600.
9. The table card double-screen different display system as claimed in any one of claims 1 to 8, wherein the master control MCU is further connected with a memory chip, a CTP touch screen interface and a USB interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220503994.9U CN216957394U (en) | 2022-03-09 | 2022-03-09 | Table tablet double-screen different display system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220503994.9U CN216957394U (en) | 2022-03-09 | 2022-03-09 | Table tablet double-screen different display system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216957394U true CN216957394U (en) | 2022-07-12 |
Family
ID=82294350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220503994.9U Active CN216957394U (en) | 2022-03-09 | 2022-03-09 | Table tablet double-screen different display system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216957394U (en) |
-
2022
- 2022-03-09 CN CN202220503994.9U patent/CN216957394U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4720781A (en) | Data processing terminal having support module and portable display module for liquid crystal display | |
| US7382333B2 (en) | Display processing switching construct utilized in information device | |
| CN104571991A (en) | Control panel, illumination equipment and illumination method | |
| CN216957394U (en) | Table tablet double-screen different display system | |
| CN212302461U (en) | Multi-screen display with expandable peripheral | |
| CN103365355A (en) | Electronic device | |
| CN107748471A (en) | Passive electronic paper label | |
| CN210222618U (en) | Portable display with system | |
| CN210222619U (en) | Desktop display with system | |
| CN211293934U (en) | Integrated computer with multi-signal display function | |
| JP2001197464A (en) | Information display device, display system, and electronic conference system | |
| CN202795295U (en) | Control main board of liquid crystal touch screen module | |
| CN202422695U (en) | Wireless electronic table sign | |
| CN204288201U (en) | Control panel and apparatus for lighting | |
| CN111506164A (en) | Double-screen portable display with touch function | |
| CN211741896U (en) | Novel paperless electronic summary list | |
| CN201196732Y (en) | Function-changing liquid crystal press key | |
| CN116884342B (en) | LED control module, electronic equipment and control system | |
| CN219105470U (en) | Electronic whiteboard system based on eDP interface | |
| JPH1069335A (en) | Portable information terminal | |
| CN211479108U (en) | Wireless extension type convenient office and leisure terminal system | |
| CN218679133U (en) | Double-screen mobile phone motherboard | |
| CN218159521U (en) | Liquid crystal display module with COB interface protocol and COG interface protocol | |
| CN218917799U (en) | Vehicle-mounted HUD head-up display device with wireless mapping screen-throwing function | |
| CN218273376U (en) | Multi-computer host switching device supporting radar coordinates |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |