CN216671164U

CN216671164U - Test system of liquid crystal module

Info

Publication number: CN216671164U
Application number: CN202122650120.4U
Authority: CN
Inventors: 叶少芳; 王亚星
Original assignee: Guangxi Xianpei Photoelectric Technology Co ltd
Current assignee: Guangxi Xianpei Photoelectric Technology Co ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-06-03
Anticipated expiration: 2031-11-01

Abstract

The utility model discloses a test system of a liquid crystal module, which comprises a power supply module, a control module, a decoding module, an output module and a voltage regulating module which are electrically connected, wherein the output module is provided with an output interface which is electrically connected with the liquid crystal module, the power supply module, the control module, the decoding module, the output module and the voltage regulating module are arranged in a protection box, the protection box is rotatably connected in the middle of a bottom plate, fixing grooves are arranged on the bottom plate around the protection box, and wiring ports are arranged on the side wall of the protection box, which is opposite to the output interface. The voltage adjusting module is used for adjusting the voltage supplied to the liquid crystal module, so that the liquid crystal module testing device is suitable for liquid crystal modules of different types.

Description

Test system of liquid crystal module

Technical Field

The utility model relates to the technical field of liquid crystal modules, in particular to a test system of a liquid crystal module.

Background

The liquid crystal module is a component formed by assembling peripheral circuits such as a liquid crystal display device, a connecting piece, a control and drive device, a circuit board, a backlight source and other structural members together. The liquid crystal module is used as an important component of the liquid crystal display, and directly influences the performance and the quality of the liquid crystal display. Therefore, the inspection of the liquid crystal module becomes one of the important steps in the production process of the liquid crystal module. In the existing liquid crystal module testing process, a liquid crystal module is generally fixed at a certain position, then the liquid crystal module is connected with a testing system, after the testing is finished, a connecting wire is removed, the liquid crystal module is taken down, and then the next liquid crystal module to be tested is fixed and then is connected with the connecting wire for testing. This in turn is time consuming and labor intensive to secure, connect, remove, and secure.

SUMMERY OF THE UTILITY MODEL

The utility model provides a test system of a liquid crystal module to solve the problems.

The utility model adopts the following technical scheme:

the utility model provides a test system of liquid crystal module, includes electric connection's power module, control module, decoding module, output module and voltage regulation module, output module is equipped with output interface and liquid crystal module electric connection, power module, control module, decoding module, output module and voltage regulation module install in a protection box, the protection box rotates to be connected in the middle of a bottom plate, is equipped with the fixed slot on the protection box bottom plate all around, be equipped with the wiring mouth on the protection box lateral wall that output interface faces.

As a preferred technical scheme of the utility model, the middle of the bottom plate is provided with a convex connecting groove, the bottom of the protective shell is provided with a connecting shaft, the bottom end of the connecting shaft is provided with a clamping plate, and the connecting shaft is inserted into the connecting groove and clamped in the connecting groove through the clamping plate.

As a preferred technical scheme of the utility model, a spring is arranged between the clamping plate and the bottom of the connecting groove, the bottom end of the spring is fixedly connected to the bottom of the connecting groove, and the upper end of the spring is abutted against the clamping plate.

As a preferable technical scheme of the utility model, an elastic cushion is arranged between the protection box and the bottom plate.

As a preferred technical scheme of the utility model, the control module is electrically connected with the input module, the serial port module and the display module.

The beneficial effects of the utility model are:

the voltage adjusting module is used for adjusting the voltage supplied to the liquid crystal module, so that the liquid crystal module testing device is suitable for liquid crystal modules of different types.

Drawings

FIG. 1 is a connection block diagram of a test system;

FIG. 2 is a schematic cross-sectional view of the base plate;

fig. 3 is a top view of the base plate.

The symbols in the drawings illustrate that:

100: power module, 200: control module, 300: decoding module, 400: output module, 500: voltage regulation module, 600: input module, 700: serial port module, 800: display module, 900: a liquid crystal module; 1: protective housing, 2: bottom plate, 3: fixing groove, 4: wiring port, 5: connecting groove, 6: connecting shaft, 7: cardboard, 8: spring, 9: an elastic pad.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 3, a test system for a liquid crystal module includes a power module 100, a control module 200, a decoding module 300, an output module 400 and a voltage regulating module 500, which are electrically connected, where the output module 400 is provided with an output interface electrically connected to a liquid crystal module 900, and the control module 200 is further electrically connected to an input module 600, a serial module 700 and a display module 800. Specifically, the power module 100 supplies power to the control module 200 and the voltage regulating module 500, the serial port module 700 is configured to burn a program matched with the liquid crystal module 900 into the control module 200, the input module 600 is configured to input a control instruction into the control module 200, the control module 200 is configured to output test data to the decoding module 300, the decoding module 300 decodes the test data and transmits the decoded test data to the output module 400, so as to light the liquid crystal module 900 electrically connected to the output module 400, the voltage regulating module 500 is configured to regulate the voltage of the power module 100 into different voltages and output the different voltages to the output module 400, and the display module 800 is configured to display the test data, the test time, the test voltage, and the test current output by the control module 200.

Further, power module 100, control module 200, decoding module 300, output module 400 and voltage regulation module 500 are integrated to be installed in a protection box 1, protection box 1 rotates to be connected in the middle of a bottom plate 2, is equipped with fixed slot 3 on protection box 1 bottom plate 2 all around, in this embodiment fixed slot 3 is equipped with 6, can fix 6 liquid crystal module 900 and be used for the test, be equipped with wiring mouth 4 on the protection box 1 lateral wall that output interface faces, wiring mouth 4 is used for supplying the wire to pass. Specifically, a convex connecting groove 5 is formed in the middle of the bottom plate 2, a connecting shaft 6 is arranged at the bottom of the protective shell 1, a clamping plate 7 is arranged at the bottom end of the connecting shaft 6, the connecting shaft 6 is inserted into the connecting groove 5 and is clamped in the connecting groove 5 through the clamping plate 7, and therefore the connecting shaft 6 cannot be pulled out of the connecting groove 5 and can only rotate in the connecting groove 5. Be equipped with spring 8 between cardboard 7 and the spread groove 5 bottom, 8 bottom fixed connection of spring are on spread groove 5 bottom, and 8 upper ends of spring and 7 butts of cardboard. An elastic pad 9 is arranged between the protection box 1 and the bottom plate 2.

When the liquid crystal display module testing device is used, a plurality of liquid crystal modules 900 are fixed in the fixing grooves 3 one by one, one of the liquid crystal modules 900 is connected with a testing system for testing, after the testing is finished, the conducting wires are removed, at the moment, the protective shell 1 is slightly pressed downwards with force to compress the springs 8, then the protective shell 1 is rotated to enable the wiring ports 4 of the protective shell to be aligned to the interface end of the next liquid crystal module 900 to be tested, then the hands are loosened, under the restoring force of the springs 8, the connecting shaft 6 moves upwards to enable the clamping plates 7 to be clamped with the upper ends of the connecting grooves 5, the position of the protective shell 1 is fixed, and then the next liquid crystal module 900 to be tested is connected with the testing system for testing. Like this, make test system test the LCD module 900 that awaits measuring on the bottom plate 2 in proper order through rotatory protective housing 1, can also take out the LCD module 900 that has tested when testing a LCD module 900 and lay another LCD module 900 that awaits measuring to save time and manual work, convenient and fast.

Finally, it should be noted that: these embodiments are merely illustrative of the present invention and do not limit the scope of the present invention. In addition, other variations and modifications will be apparent to persons skilled in the art based on the foregoing description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the utility model may be made without departing from the scope of the utility model.

Claims

1. The utility model provides a test system of LCD module, includes electric connection's power module (100), control module (200), decoding module (300), output module (400) and voltage regulation module (500), output module (400) are equipped with output interface and LCD module (900) electric connection, its characterized in that: the power module (100), the control module (200), the decoding module (300), the output module (400) and the voltage regulation module (500) are installed in a protection box (1), the protection box (1) is rotatably connected to the middle of a bottom plate (2), fixing grooves (3) are formed in the bottom plate around the protection box (1), and wiring ports (4) are formed in the side wall of the protection box (1) facing the output ports.

2. The system for testing a liquid crystal module of claim 1, wherein: the protective box is characterized in that a convex connecting groove (5) is formed in the middle of the bottom plate (2), a connecting shaft (6) is arranged at the bottom of the protective box (1), a clamping plate (7) is arranged at the bottom end of the connecting shaft (6), and the connecting shaft (6) is inserted into the connecting groove (5) and clamped in the connecting groove (5) through the clamping plate (7).

3. The system for testing a liquid crystal module of claim 2, wherein: be equipped with spring (8) between cardboard (7) and spread groove (5) bottom, spring (8) bottom fixed connection is on spread groove (5) bottom, spring (8) upper end and cardboard (7) butt.

4. The system for testing a liquid crystal module according to claim 1 or 2, wherein: an elastic pad (9) is arranged between the protection box (1) and the bottom plate (2).

5. The system for testing a liquid crystal module of claim 1, wherein: the control module (200) is electrically connected with the input module (600), the serial port module (700) and the display module (800).