CN212302965U

CN212302965U - Embedded auxiliary text display screen

Info

Publication number: CN212302965U
Application number: CN202021124675.4U
Authority: CN
Inventors: 李甚军
Original assignee: Shenzhen Ruilide Electronics Co ltd
Current assignee: Shenzhen Ruilide Electronics Co ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-01-05
Anticipated expiration: 2030-06-17

Abstract

The utility model discloses an embedded supplementary text display screen, it includes: the display screen comprises an MCU and a display screen body, wherein the MCU is communicated with an external circuit by using a URAT communication protocol; the LCD driving circuit is electrically connected with the MCU, and the MCU controls the display screen body through the LCD driving circuit; and the driving voltage configuration circuit supplies power to the MCU, the display screen body and the LCD driving circuit. The device has the advantages that the device running state of the upper computer can be conveniently read and printed on the display screen in the URAT mode, and meanwhile, the device is low in power consumption and occupied space and can be conveniently installed and used.

Description

Embedded auxiliary text display screen

Technical Field

The utility model relates to auxiliary display screen equipment field especially involves an embedded auxiliary text display screen.

Background

With the progress of science and technology, various micro motherboards and embedded systems are more and more popular. The running state and monitoring information of these complex control systems need to be displayed for the staff to check, and it is a common practice to provide a display for the running host, and simple prompt information is represented by the on and off of the LED. A display is matched with each host, and is used for displaying prompt information, so that the cost is high and the occupied space is large; and then the on-off prompt information of the LED lamp beads is not visual and sufficient, so that the judgment and processing efficiency of workers is lowered.

Accordingly, there is a need for an embedded auxiliary text display that addresses one or more of the above problems.

SUMMERY OF THE UTILITY MODEL

For solving one or more problems that exist among the prior art, the utility model provides an embedded supplementary text display screen. The utility model discloses a solve the technical scheme that above-mentioned problem adopted and be: an embedded auxiliary text display screen, comprising: the display screen comprises an MCU and a display screen body, wherein the MCU is communicated with an external circuit through a URAT; the control chip of the LCD driving circuit is electrically connected with the MCU, and the MCU controls the display screen body through the LCD driving circuit; and the driving voltage configuration circuit supplies power to the LCD driving circuit.

Furthermore, the display screen body is a monochromatic liquid crystal display screen.

Furthermore, the MCU, the LCD driving circuit and the driving voltage configuration circuit are integrated on the same PCB.

Furthermore, the display screen body is arranged on the front surface of the PCB, and the MCU, the LCD driving circuit and the driving voltage configuration circuit are integrated on the back surface of the PCB.

The utility model discloses the beneficial value who gains is: the utility model discloses a will MCU display screen body and configuration correspond circuit and interface, realize printing the information to the system running state of host computer output on the screen, supply the staff to refer to. The monochrome liquid crystal display screen has low energy consumption and price, can provide sufficient prompt information and reduce the whole cost, and simultaneously, the monochrome display screen operates based on the MCU, has high efficiency and low cost, and can also adjust the brightness, the position and the size of the displayed information. The utility model discloses a practical value has greatly improved above.

Drawings

Fig. 1 is a schematic perspective view i of an embedded auxiliary text display screen according to the present invention;

fig. 2 is a schematic perspective view ii of an embedded auxiliary text display screen according to the present invention;

fig. 3 is a connection block diagram of an embedded auxiliary text display screen according to the present invention;

FIG. 4 is a schematic diagram of an MCU of the embedded auxiliary text display of the present invention;

fig. 5 is a schematic diagram of an LCD control circuit of an embedded auxiliary text display screen according to the present invention;

fig. 6 is a schematic diagram of an LCD driving voltage circuit of an embedded auxiliary text display screen according to the present invention;

fig. 7 is a schematic diagram of a module interface of an embedded auxiliary text display screen according to the present invention;

fig. 8 is a schematic diagram of an LCD interface of an embedded auxiliary text display.

[ reference numerals ]

101. display screen body

102. flat cable interface

201···PCB

202···MCU

203. LCD driving circuit

204-URAT interface

205. power interface.

Detailed Description

In order to make the above objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the invention.

As shown in fig. 1-8, the utility model discloses an embedded supplementary text display screen, it includes: the display screen comprises an MCU202 and a display screen body 101, wherein the MCU202 is communicated with an external circuit through a URAT; the control chip of the LCD driving circuit 203 is electrically connected with the MCU202, and the MCU202 controls the display screen body 101 through the LCD driving circuit 203; the driving voltage configuration circuit supplies power to the LCD driving circuit 203, the MCU202, the display screen body 101 and other configured circuits, and the display screen body 101 may also be independently supplied with power from an external power source.

It should be noted that the connection diagram of the present invention is shown in fig. 3, and the schematic diagram is shown in fig. 4-8. The utility model is used for print the parameter of the system running state of superior equipments such as server, embedded system, host computer to the form with characters, figure shows directly perceivedly. Generally, the liquid crystal display screen is accessed through 6800/8080 time sequence, but the time sequence cannot be directly communicated with an embedded system or a computer host, so that the running state data cannot be conveniently and quickly displayed on the liquid crystal display screen; the utility model discloses a MCU truns into the communication mode behind the UART, just can be directly with the UART communication of various host computers.

It should be noted that, as shown in fig. 4 to 8, the present invention also uses two common interfaces: the module interface, the liquid crystal interface, and the specific circuit refer to the schematic diagrams shown in fig. 7-8.

Specifically, the display screen body 101 is a monochromatic liquid crystal display screen, and is low in power consumption, low in heat generation and low in value, and meanwhile, enough display space can be provided for displaying information output by the upper computer. Further, the MCU202, the LCD driving circuit 203, the driving voltage configuration circuit, and other configuration circuits are integrated on the same PCB to reduce cost; still further, the display screen body 101 is installed on the front surface of the PCB, and the MCU202, the LCD driving circuit 203, and the driving voltage configuration circuit are integrated on the back surface of the PCB.

It should be noted that, by using the MCU202 in conjunction with the URAT communication method, the operation information of the terminal device can be displayed more efficiently, which is difficult to be implemented by the 6800 or 8080 lcd panel with sequential access.

Specifically, as shown in fig. 1 and fig. 2, in still other embodiments, the MCU202, the LCD driving circuit 203, and the driving voltage configuration circuit are integrated on the back surface of the PCB201, the front surface of the PCB201 is fixed on the back surface of the display screen body 101, the flat cable interface 102 is disposed on the back surface of the display screen body 101 and connected to the LCD driving circuit 203, and the PCB201 is provided with a URAT interface 204 and a power interface 205. All components are integrated on the display screen body 101 to form a module, which is convenient to use and install.

To sum up, the utility model discloses a will MCU202 display screen body 101 and the circuit and the interface that the configuration corresponds realize printing the information to system running state of host computer output on the screen, supply the staff to refer to. The single-color liquid crystal display screen has low energy consumption and price, and can provide sufficient prompt information and reduce the whole cost. The utility model discloses a practical value has greatly improved above.

The above-described embodiments merely represent one or more embodiments of the present invention, which are described in detail and concrete, but are not to be construed as limiting the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. An embedded auxiliary text display, comprising: the display screen comprises an MCU and a display screen body, wherein the MCU is communicated with an external circuit through a URAT; the control chip of the LCD driving circuit is electrically connected with the MCU, and the MCU controls the display screen body through the LCD driving circuit; and the driving voltage configuration circuit supplies power to the LCD driving circuit.

2. The embedded auxiliary text display screen of claim 1, wherein the display screen body is a monochrome liquid crystal display screen.

3. The embedded auxiliary text display screen of claim 1, wherein the MCU, the LCD driver circuit and the driving voltage configuration circuit are integrated on the same PCB.

4. The embedded auxiliary text display screen of claim 1, wherein the display screen body is mounted on the front surface of the PCB, and the MCU, the LCD driving circuit and the driving voltage configuration circuit are integrated on the back surface of the PCB.