CN214225906U

CN214225906U - Low-cost high-reliability industrial personal computer master control display and control device

Info

Publication number: CN214225906U
Application number: CN202022458417.6U
Authority: CN
Inventors: 黄凝雄
Original assignee: Nanjing Panda Electronics Co Ltd; Nanjing Panda Communication Technology Co Ltd
Current assignee: Nanjing Panda Electronics Co Ltd; Nanjing Panda Communication Technology Co Ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-09-17
Anticipated expiration: 2030-10-29

Abstract

The utility model discloses a low-cost high-reliability industrial personal computer main control display and control device, which comprises a front panel, a display module, a key module, a connector and a power converter, wherein the display module comprises an LVDS receiver, a liquid crystal screen and a backlight module, the key module comprises keys and a key controller, the front panel is provided with the liquid crystal screen and the keys, the main control module is connected with the LVDS receiver through the connector, the power converter supplies power to the backlight module, and the main control module is connected with the keys through the key controller; the main control module utilizes the LVDS transmitter to transmit LVDS signals to the LVDS receiver and displays the LVDS signals on the liquid crystal screen, the LVDS interface circuit has strong anti-electromagnetic capacity and the display module with the LVDS receiver is low in price, the key is input in a personalized mode through the key value table, so that the control command is transmitted to the main control module, the problems that the display and control device of the industrial personal computer is low in cost and high in reliability and cannot be used simultaneously are solved, and popularization of the main control module of the industrial personal computer is facilitated.

Description

Low-cost high-reliability industrial personal computer master control display and control device

Technical Field

The utility model relates to an optic fibre quasi-distributed sensing demultiplexing technical field, in particular to sensing demultiplexing device based on optoelectronic oscillator and even Bragg grating array.

Background

Along with the development of the electronic industry, the intelligent degree is continuously improved. Industrial personal computer main control modules in industries such as electric power, petroleum, government supervision, medicine management, environmental protection supervision, logistics, smart home and the like are widely applied. The main control module of the industrial personal computer is a computer specially designed for industrial field. The industrial site generally has strong vibration, much dust and high electromagnetic field interference. At present, a display screen is not generally adopted to display information, a man-machine interaction interface is very simple, a control mode is also very single, and the visual display or the control of the working state of a machine is not facilitated. In order to deal with the complex and severe working environment of the industrial personal computer main control module, if a complex display and control mode is adopted, the cost is higher, the failure rate is high, meanwhile, the maintenance is difficult, and the popularization and the promotion of the industrial personal computer main control module are not facilitated, so that a low-cost and high-reliability industrial personal computer main control module display and control device is needed.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a low-cost high-reliability industrial computer shows and controlling means, the supporting peripheral circuit of main control computer is simple, utilize LVDS interface circuit to have strong anti-electromagnetic capability and have the display module price ratio low that the LVDS receiver simultaneously, solved the problem that industrial computer shows and controlling means's is with low costs and the reliability can't be taken into account, utilize the convenient maintenance of power indicator accurate positioning fault point simultaneously, be favorable to industrial computer main control module's popularization very much.

In order to achieve the above purpose, the utility model discloses a technical scheme who takes is:

a low-cost and high-reliability industrial personal computer main control display and control device comprises a front panel, a display module, a key module, a connector and a power converter, wherein the display module comprises an LVDS receiver, a liquid crystal screen and a backlight module; the main control module sends the LVDS signals to the LVDS receiver by using the LVDS sender and displays the LVDS signals on the liquid crystal screen, and the main control module receives the control information sent by the key module and displays the control information on the liquid crystal screen.

Furthermore, the key module also comprises a backlight lamp, the key adopts a semitransparent waterproof button, and the main control module is connected with the backlight lamp.

Further, the keys may implement personalized input of the keys using a key value table, which is stored in a memory of the key controller.

Furthermore, the front panel still contains the pilot lamp, the pilot lamp contains two power indicator, the power indicator connects respectively at power converter's input and output, the pilot lamp is the metal LED pilot lamp.

Further, the indicator light also comprises a key indicator light, the key controller is connected with the key indicator light, and the key indicator light can indicate the status of scroll, cap, num and mode.

Furthermore, the display module adopts a Kodake KD070HDFLA013-C015ATFT color liquid crystal display screen, and the connector adopts a ZIF seat.

Furthermore, the keys adopt SKRPACE010 keys.

Furthermore, the key controller adopts an XC8083 standard keyboard control chip.

Further, the front panel also includes a boat-type switch.

The beneficial effects of the utility model reside in that: the display module with the LVDS receiver is used for displaying the working state and the control input information of the industrial personal computer, the LVDS interface circuit has strong electromagnetic resistance and the display module with the LVDS receiver is low in price, and meanwhile, the key is input in a personalized mode through the fitness meter to transmit the control command to the main control module, so that the problems that the display and control device of the industrial personal computer is low in cost and high in reliability and cannot be combined at the same time are solved, meanwhile, the power indicator lamp is used for accurately positioning a fault point, maintenance is convenient, and popularization of the main control module of the industrial personal computer is facilitated.

Drawings

FIG. 1 is a general structural diagram of a display and control device of a low-cost and highly reliable industrial personal computer provided in an embodiment of the present invention;

FIG. 2 is a front view of a low-cost, highly reliable industrial personal computer display and control device provided in an embodiment of the present invention;

fig. 3 is a signal processing diagram of a display module provided in an embodiment of the present invention;

fig. 4 is a structural diagram of a key module provided in an embodiment of the present invention;

fig. 5 is a structural diagram of a key controller provided in an embodiment of the present invention;

fig. 6 is a key value table stored in the key controller provided in the embodiment of the present invention;

the labels in the figure are: 1. the display device comprises a front panel, 2, a display module, 21, a liquid crystal screen, 22, an LVDS receiver, 23, a backlight module, 3, a key module, 31, keys, 32, a key controller, 33, a backlight lamp, 4, a connector, 5, a power converter, 6, an indicator light and 7, a ship-shaped switch.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

The utility model provides a pair of low-cost high-reliability industrial computer master control shows and controlling means, as shown in fig. 1 and fig. 2, contain front panel 1, display module 2, button module 3, connector 4 and power converter 5, display module 2 contains LVDS receiver 22, LCD screen 21 and backlight module 23, LCD screen 21 and LVDS receiver 22 are connected, and button module 3 contains button 31 and button controller 32, front panel 1 is equipped with LCD screen 21 and button 31, and main control module connects LVDS receiver 22 through connector 4, supplies power for backlight module 23 through power converter 5, and main control module connects button 31 through button controller 32; the main control module sends the LVDS signals to the LVDS receiver 22 by using the LVDS sender and displays the LVDS signals on the liquid crystal screen 21, and the main control module receives the control information sent by the key module 3 and displays the control information on the liquid crystal screen 21.

In this embodiment, the working principle of the display and control device of the industrial personal computer is as follows, as shown in fig. 3: the main control module can integrate or be externally connected with an LVDS transmitter, converts a 17L level parallel RGB data model and a control signal into a low-voltage serial LVDS signal, then utilizes a connector 4(ZIP seat) to connect a screen wire of the liquid crystal screen 21 to transmit the LVDS signal to the LVDS receiver 22, an interface of the LVDS receiver 22 is an FPC interface, the LVDS receiver 22 converts the LVDS signal into a TTL level parallel signal, and the TTL level parallel signal is transmitted to a time sequence control and row-column driving circuit of the liquid crystal screen 21 to drive the display screen.

The display module 2 with the LVDS receiver 22 is used for displaying the working state and the control input information of the industrial personal computer, the LVDS interface circuit has strong electromagnetic resistance and the display module 2 with the LVDS receiver 22 is low in price, and the key module 3 is used for inputting the control command to the main control module of the industrial personal computer, so that the industrial personal computer is controlled, and the problems of low cost and high reliability of the display and control device of the industrial personal computer are solved.

As shown in fig. 4 and 6, the key module 3 further includes a backlight 33, the key 31 is a translucent waterproof button, the main control module is connected to the backlight 33, and the backlight 33 is used for providing backlight for the key 31. The keys 31 can realize personalized input of the keys 31 by using a key value table, the key value table is stored in a memory of the key controller 32, and the number and the functions of the keys 31 are determined according to the key value table of the keys 31; each key 31 needs to be connected with two ends, a key value is determined through the C column and the R row, and when the key value in the brackets is needed, the shift key needs to be pressed first, and then the needed key 31 needs to be pressed to achieve the purpose.

The front panel 1 further comprises an indicator light 6, the indicator light 6 comprises two power indicator lights, the power indicator lights are respectively connected with the input end and the output end of the power converter 5, the indicator light 6 is a metal LED indicator light, when the display module 2 does not display, the power indicator light can be used for judging the fault point position, for example, when the power indicator connected with the input end of the power converter 5 is turned off, the main control module can be judged to have a fault, when the power indicator connected with the output end of the power converter 5 is turned off, the power indicator light on at the input end can be judged to have a fault, when the output end of the power converter 5 and the input power indicator light are both turned on, the display module 2 can be judged to have a fault, the fault position can be quickly judged through the two power indicator lights, and the indicator light 6 is a metal LED indicator light, has high brightness, is waterproof, moisture-proof and high temperature resistant, long service life and is suitable for various environments.

As shown in fig. 5, the indicator lamp 6 further includes a key indicator lamp, the key controller 32 is connected to the key indicator lamp, the key indicator lamp can indicate a scroll, cap, num, and mode state, and the key indicator lamp is used to prompt an input state.

Description of power supply to each module: the main control module provides 3.3V output voltage, the EMOS is combined with a 5V pull-up resistor to realize the output of 5V voltage, the voltage is used for lighting the backlight 33, and the backlight 33 can be realized by adopting a diode series resistor; the main control module provides 3.3V output voltage and the power converter 5 is used to boost the voltage to 9V for supplying power to the backlight module 23. In this embodiment, the display module 2 adopts kodake KD070HDFLA013-C015ATFT color liquid crystal display screen, 7-inch LVDS interface TFT color liquid crystal display screen, the cost is 150 yuan, 6bit or 8bit display mode can be selected, the industrial display screen has wide working temperature, strong shock resistance and convenient maintenance. Connector 4 adopts the ZIF seat to connect, and the cost is 0.5 yuan, and convenient connection is firm reliable, can the quick maintenance dismouting, button 31 adopts SKRPACE010 button 31, button control ware 32 adopts XC8083 standard keyboard control chip to utilize USB interface and host system to connect, front panel 1 still contains ship type switch 7.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The main control display and control device of the industrial personal computer is low in cost and high in reliability and is characterized by comprising a front panel (1), a display module (2), a key module (3), a connector (4) and a power converter (5), wherein the display module (2) comprises an LVDS receiver (22), a liquid crystal screen (21) and a backlight module (23), the liquid crystal screen (21) is connected with the LVDS receiver (22), the key module (3) comprises a key (31) and a key controller (32), the front panel (1) is provided with the liquid crystal screen (21) and the key (31), the main control module is connected with the LVDS receiver (22) through the connector (4), the backlight module (23) is powered through the power converter (5), and the main control module is connected with the key (31) through the key controller (32);

the main control module sends the LVDS signals to the LVDS receiver (22) by using the LVDS sender and displays the LVDS signals on the liquid crystal screen (21), and the main control module receives the control information sent by the key module (3) and displays the control information on the liquid crystal screen (21).

2. The main control display and control device of the industrial personal computer with low cost and high reliability as claimed in claim 1, wherein the key module (3) further comprises a backlight (33), the key (31) adopts a semitransparent waterproof button, and the main control module is connected with the backlight (33).

3. The main control display and control device of the industrial personal computer with low cost and high reliability as claimed in claim 2, wherein the key (31) can realize personalized input of the key (31) by using a key value table, and the key value table is stored in a memory of the key controller (32).

4. The main control display and control device of the industrial personal computer with low cost and high reliability as claimed in claim 1, wherein the front panel (1) further comprises an indicator lamp, the indicator lamp comprises two power indicator lamps, the power indicator lamps are respectively connected with the input end and the output end of the power converter (5), and the indicator lamp is a metal LED indicator lamp.

5. The main control display and control device of the industrial personal computer with low cost and high reliability as claimed in claim 4, wherein the indicator lamp further comprises a key indicator lamp, the key controller (32) is connected with the key indicator lamp, and the key indicator lamp can indicate the status of scroll, cap, num or mode.

6. The main control display and control device of the low-cost high-reliability industrial personal computer according to claim 1, wherein the display module (2) adopts a Kodake KD070HDFLA013-C015ATFT color liquid crystal display screen, and the connector (4) adopts a ZIF seat.

7. The main control display and control device of the industrial personal computer with low cost and high reliability as claimed in claim 2, wherein the key (31) adopts SKRPACE010 key.

8. The main control display and control device of the industrial personal computer with low cost and high reliability as claimed in claim 3, wherein the key controller (32) adopts XC8083 standard keyboard control chip.

9. The main control display and control device of the industrial personal computer with low cost and high reliability as claimed in any one of claims 1 to 8, wherein the front panel (1) further comprises a ship-shaped switch.