CN205665488U - A debugging device for liquid crystal display module - Google Patents

Abstract

The utility model discloses a debugging device for liquid crystal display module, its characterized in that: the debugging device include that microcontroller processing unit is connected to the display module that awaits measuring, microcontroller processing unit and key display unit are connected the input test instruction and show the current status, microcontroller processing unit is connected with the unit of adjusting luminance simultaneously. Because adopt foretell structure, through the utility model discloses replace the computer to detect liquid crystal display module, through triggering the corresponding communication functional check of pressing switch or knob and realizing showing the liquid crystal module. It is with low costs, simple structure, portable.

Description

A kind of debugging apparatus for LCD MODULE

Technical field

This utility model relates to the Function detection field of LCD MODULE, particularly to one for LCD MODULE Debugging apparatus.

Background technology

It is required for the communication function of display Liquid Crystal Module is tested before LCD MODULE is dispatched from the factory.Current inspection Method is that LCD MODULE is passed through computer and is connected with computer and carries out communication, and uses special Debugging interface, inspection display The switching of pattern round the clock of module, pattern maximum, minimum brightness and dimming function are the most qualified round the clock.Without computer, with regard to nothing Method completes to check work.

For the problems referred to above, it is provided that a kind of novel debugging apparatus, replace computer by trigger corresponding by switch or Knob realizes the communication function inspection of display Liquid Crystal Module.

Utility model content

Technical problem to be solved in the utility model is to provide a kind of debugging apparatus for LCD MODULE, generation Check by triggering the corresponding communication function pressing switch or knob realization display Liquid Crystal Module for computer.

For reaching above-mentioned purpose, the technical solution of the utility model is, a kind of debugging apparatus for LCD MODULE, It is characterized in that: described debugging apparatus includes that single-chip microcomputer processing unit is connected to display module to be measured, single-chip microcomputer processing unit It is attached input test with button display unit instruct and show current state；Single-chip microcomputer processing unit connects simultaneously light modulation Unit.

The model of described single-chip microcomputer processing unit is AT89S51, and RXD, TXD foot of single-chip microcomputer processing unit passes through DB9 Interface board and display module to be measured carry out communication.

Described single-chip microcomputer processing unit connects power supply unit.

Described button display unit include mode indicating lamp in daytime, mode indicating lamp at night, pattern high-high brightness display lamp in daytime, Daytime pattern minimum brightness display lamp, pattern high-high brightness display lamp at night, pattern minimum brightness display lamp at night, mode switch in daytime, night Mode switch, pattern high-high brightness switch in daytime, pattern minimum brightness switch in daytime, pattern high-high brightness switch at night, pattern minimum at night Luminance switch.

A kind of debugging apparatus for LCD MODULE, owing to using above-mentioned structure, is replaced by this utility model LCD MODULE is detected by computer, by triggering the corresponding communication realizing display Liquid Crystal Module by switch or knob Functional check.Low cost, simple in construction, it is simple to carry.

Accompanying drawing explanation

With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings；

Fig. 1 is the structural representation of a kind of debugging apparatus for LCD MODULE of this utility model；

Fig. 2 is the structural representation of a kind of debugging apparatus for LCD MODULE of this utility model；

In FIG, 1, single-chip microcomputer processing unit；2, display module to be measured；3, button display unit；4, dimming unit；5、 Power supply unit.

Detailed description of the invention

As it is shown in figure 1, this utility model includes that single-chip microcomputer processing unit 1 is connected to display module 2 to be measured, single-chip microcomputer processes Unit 1 and button display unit 3 are attached input test and instruct and show current state；Single-chip microcomputer processing unit 1 is even simultaneously It is connected to dimming unit 4.

The model of single-chip microcomputer processing unit 1 is AT89S51, and RXD, TXD foot of single-chip microcomputer processing unit 1 passes through DB9 interface Plate and display module 2 to be measured carry out communication.Single-chip microcomputer processing unit 1 connects power supply unit 5.

Button display unit 3 includes mode indicating lamp in daytime, mode indicating lamp at night, pattern high-high brightness display lamp in daytime, mould in daytime Formula minimum brightness display lamp, pattern high-high brightness display lamp at night, pattern minimum brightness display lamp at night, mode switch in daytime, pattern at night Switch, pattern high-high brightness switch in daytime, pattern minimum brightness switch in daytime, pattern high-high brightness switch at night, pattern minimum brightness at night Switch.

Communication pin RXD, TXD of the chip processor AT89S51 of this utility model single-chip microcomputer processing unit 1 passes through plug-in unit DB9 And setting up communication between display module 2 to be measured, when triggering " mode switch in daytime ", chip processor AT89S51 will switch to pattern in daytime Communication command be sent to LCD MODULE to be measured, simultaneously mode indicating lamp in daytime bright (logic of software design)；When triggering " night Mode switch " time, the communication command switching to pattern at night is sent to LCD MODULE to be measured, simultaneously by chip processor AT89S51 Daytime, mode indicating lamp went out, mode indicating lamp at night bright (logic of software design)；When triggering " pattern high-high brightness switch in daytime ", single The communication command of pattern high-high brightness in daytime is sent to LCD MODULE to be measured by sheet machine AT89S51, and daytime, pattern was the most light simultaneously Degree display lamp bright (logic of software design)；When triggering " pattern minimum brightness switch in daytime ", chip processor AT89S51 is by pattern in daytime The communication command of minimum brightness is sent to LCD MODULE to be measured, and pattern in daytime minimum brightness display lamp is bright simultaneously, daytime pattern Big brightness display lamp goes out (logic of software design)；When triggering " pattern high-high brightness switch at night ", chip processor AT89S51 is by night The communication command of pattern high-high brightness is sent to LCD MODULE to be measured, the simultaneously bright (software of pattern at night high-high brightness display lamp The logic of design)；When triggering " pattern minimum brightness switch at night ", chip processor AT89S51 is by the communication of pattern minimum brightness at night Order is sent to LCD MODULE to be measured, and pattern at night minimum brightness display lamp is bright simultaneously, and night, pattern high-high brightness display lamp went out (logic of software design)；When rotary light adjustment potentiometer, chip processor AT89S51 will rotate the resistance variations caused according to potentiometer The change of the sampled voltage caused, is converted into brightness progression and issues product to be measured, it is achieved the dimming function of product to be measured.This practicality Novel power supply has+5v lithium battery power supply, it is simple to carry, it is to avoid the restriction of other offer power supply.

In use, first display module 2 PORT COM to be measured is connected with PORT COM of the present utility model；Trigger phase The switch answered or potentiometer realize the switching of LCD MODULE to be measured pattern round the clock and the brightness of pattern minimax and tune round the clock Light.

Above in conjunction with accompanying drawing, this utility model is exemplarily described, it is clear that this utility model implements and is not subject to The restriction of aforesaid way, as long as have employed the various improvement that technical solutions of the utility model are carried out, or the most improved direct application In other occasion, all within protection domain of the present utility model.

Claims (4)

1. the debugging apparatus for LCD MODULE, it is characterised in that: described debugging apparatus includes that single-chip microcomputer processes Unit (1) is connected to display module to be measured (2), and single-chip microcomputer processing unit (1) and button display unit (3) are attached input and survey Examination instruction also shows current state；Single-chip microcomputer processing unit (1) connects simultaneously dimming unit (4).

A kind of debugging apparatus for LCD MODULE the most according to claim 1, it is characterised in that: described monolithic The model of machine processing unit (1) is AT89S51, and RXD, TXD foot of single-chip microcomputer processing unit (1) passes through DB9 interface board with to be measured Display module (2) carries out communication.

A kind of debugging apparatus for LCD MODULE the most according to claim 1, it is characterised in that: described monolithic Machine processing unit (1) connects power supply unit (5).

A kind of debugging apparatus for LCD MODULE the most according to claim 1, it is characterised in that: described button Display unit (3) includes mode indicating lamp in daytime, mode indicating lamp at night, pattern high-high brightness display lamp in daytime, pattern minimum brightness in daytime Display lamp, pattern high-high brightness display lamp at night, pattern minimum brightness display lamp at night, mode switch in daytime, mode switch at night, pattern in daytime High-high brightness switch, pattern minimum brightness switch in daytime, pattern high-high brightness switch at night, pattern minimum brightness switch at night.