CN213658949U

CN213658949U - An automatic tester for the keyboard interface of a notebook computer motherboard

Info

Publication number: CN213658949U
Application number: CN202022767843.8U
Authority: CN
Inventors: 叶小伟
Original assignee: Guangdong Top Technology Co ltd
Current assignee: Guangdong Top Technology Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-07-09
Anticipated expiration: 2030-11-26

Abstract

The utility model discloses an automatic tester for a keyboard interface of a mainboard of a notebook computer, which comprises an interface, a signal acquisition module, a single-chip control module, a test fixture, an alarm module, a display module, a power supply module and a data storage module; the interface and the input of the signal acquisition module The terminals are electrically connected, the output terminal of the signal acquisition module and the output terminal of the power supply module are all electrically connected to the input terminal of the single-chip control module, and the output terminal of the single-chip control module is electrically connected to the input terminal of the test fixture and the input terminal of the data storage module respectively. The output end of the test fixture is electrically connected with the input end of the alarm module, and the output end of the alarm module is respectively electrically connected with the input end of the display module and the input end of the single-chip control module; The accuracy is significantly improved, and the repeatability is stronger than the manual simulation test method, and the work efficiency is higher. When there is a problem with the detected keyboard, the related problems can be reproduced.

Description

Automatic tester for keyboard interface of notebook computer mainboard

Technical Field

The utility model relates to a tester specifically indicates a notebook computer mainboard keyboard interface automatic tester.

Background

A keyboard is a command and data entry device used to operate a computer device. The keyboard is the most common and main input device, and english letters, numbers, punctuations and the like can be input into the computer through the keyboard, so as to send commands, input data and the like to the computer. The performance of the keyboard is particularly important. The quality of the keyboard of the mainboard of the notebook computer needs to be detected before the notebook computer leaves a factory, and the existing detection method is to use a test method of manual simulation for testing. The test by adopting the artificial simulation test method has the problems of low test accuracy, weak repeatability, low working efficiency and the like; when a problem arises, it is difficult to reproduce the problem.

Therefore, an automatic tester for a keyboard interface of a main board of a notebook computer, which has high test accuracy and strong repeatability, is a problem to be solved urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems that the test by adopting the artificial simulation test method has the problems of low test accuracy, weak repeatability, low working efficiency and the like; when a problem arises, it is difficult to reproduce the problem.

In order to solve the technical problem, the utility model provides a technical scheme does: an automatic tester for a keyboard interface of a mainboard of a notebook computer comprises an interface, a signal acquisition module, a single chip microcomputer control module, a test fixture, an alarm module, a display module, a power supply module and a data storage module; the interface is electrically connected with the input end of the signal acquisition module, the output end of the signal acquisition module and the output end of the power supply module are both electrically connected with the input end of the single chip microcomputer control module, the output end of the single chip microcomputer control module is respectively electrically connected with the input end of the test fixture and the input end of the data storage module, the output end of the test fixture is electrically connected with the input end of the alarm module, and the output end of the alarm module is respectively electrically connected with the input end of the display module and the input end of the single chip microcomputer control module;

the signal acquisition module transmits acquired interface data to the single chip microcomputer control module, the single chip microcomputer control module downloads corresponding test instructions, the single chip microcomputer control module sends corresponding test instructions to the test fixture according to the received interface data, the test fixture tests the keyboard keys and transmits test results to the alarm module, the alarm module displays the test results through the display module on one path and sends the test results to the single chip microcomputer control module on the other path, the single chip microcomputer control module stores the received data in the data storage module, and the power supply module provides voltage required by work for the single chip microcomputer control module.

Further, the interface ranges from a 22PIN interface to a 36PIN interface.

Further, the single chip microcomputer control module is a 51 single chip microcomputer.

Further, the alarm module comprises an indicator light and a buzzer.

Furthermore, the test fixture is connected with the keyboard to be tested.

Furthermore, the display module is a liquid crystal display screen.

Compared with the prior art, the utility model the advantage lie in: the utility model adopts the matching structure of the interface, the signal acquisition module, the singlechip control module, the test fixture, the alarm module, the display module, the power module and the data storage module, so that the accuracy of the automatic keyboard tester is obviously improved, the repeatability is stronger than that of a manual simulation test method, the working efficiency is higher due to the machine operation, and when the detected keyboard has problems, the related problems can be accurately reproduced; the utility model greatly improves the performance of the keyboard; the utility model relates to a rationally, be worth wideling popularize.

Drawings

Fig. 1 is a schematic block diagram of the automatic tester for keyboard interface of notebook computer motherboard.

As shown in the figure: 1. interface, 2, signal acquisition module, 3, single chip microcomputer control module, 4, test fixture, 5, alarm module, 6, display module, 7, power module, 8, data storage module.

Detailed Description

The following will explain the automatic tester for keyboard interface of notebook computer motherboard in further detail with reference to the attached drawings.

The present invention will be described in detail with reference to fig. 1.

An automatic tester for a keyboard interface of a mainboard of a notebook computer comprises an interface 1, a signal acquisition module 2, a singlechip control module 3, a test fixture 4, an alarm module 5, a display module 6, a power supply module 7 and a data storage module 8; the interface 1 is electrically connected with an input end of the signal acquisition module 2, an output end of the signal acquisition module 2 and an output end of the power supply module 7 are both electrically connected with an input end of the single-chip microcomputer control module 3, an output end of the single-chip microcomputer control module 3 is respectively electrically connected with an input end of a test fixture and an input end of a data storage module 8, an output end of the test fixture 4 is electrically connected with an input end of the alarm module 5, and an output end of the alarm module 5 is respectively electrically connected with an input end of the display module 6 and an input end of the single-chip microcomputer control module 3;

the signal acquisition module 2 transmits acquired interface data to the single chip microcomputer control module 3, corresponding test instructions are downloaded in the single chip microcomputer control module 3, the single chip microcomputer control module 3 sends corresponding test instructions to the test fixture 4 according to the received interface data, the test fixture 4 tests the keyboard keys and transmits test results to the alarm module 5, the alarm module 5 displays the test results on one path through the display module 6 and sends the test results on the other path to the single chip microcomputer control module 3, the single chip microcomputer control module 3 stores the received data in the data storage module 8, and the power supply module 7 provides voltage required by work for the single chip microcomputer control module 3.

The interface 1 ranges from a 22PIN interface to a 36PIN interface.

The single chip microcomputer control module 3 is a 51 single chip microcomputer.

The alarm module 5 comprises an indicator light and a buzzer.

And the test fixture 4 is connected with the keyboard to be tested.

The display module 6 is a liquid crystal display screen.

The utility model relates to a notebook computer mainboard keyboard interface automatic tester's concrete implementation process as follows: firstly, selecting a corresponding interface for a keyboard, after the keyboard is powered on, the signal acquisition module 2 transmits acquired interface data to the single chip microcomputer control module 3, the single chip microcomputer control module 3 selects a corresponding test instruction according to the acquired interface data and sends the test instruction to the test fixture 4, and the test fixture 4 starts to test the keyboard; after the test is finished, if the test result passes, the result is directly displayed through the liquid crystal display screen, and the test result data is transmitted to the single chip microcomputer control module 3; if the test result has a problem, the alarm module gives an alarm, error data is displayed through the liquid crystal display screen, and the test data is transmitted to the single chip microcomputer control module 3.

The tester receives the recognizable instruction, converts the recognizable instruction into a circuit instruction and sends the circuit instruction to the notebook computer through the keyboard interface; software on the notebook computer monitors the instruction sent by the keyboard interface in real time and judges the quality of the keyboard according to the test result.

The utility model adopts the matching structure of the interface 1, the signal acquisition module 2, the singlechip control module 3, the test fixture 4, the alarm module 5, the display module 6, the power module 7 and the data storage module 8, so that the accuracy of the automatic keyboard tester is obviously improved, and the repeatability is stronger than that of a manual simulation test method; the utility model greatly improves the performance of the keyboard; the utility model relates to a rationally, be worth wideling popularize.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. The utility model provides a notebook computer mainboard keyboard interface automatic tester which characterized in that: the device comprises an interface (1), a signal acquisition module (2), a single chip microcomputer control module (3), a test fixture (4), an alarm module (5), a display module (6), a power supply module (7) and a data storage module (8); the interface (1) is electrically connected with the input end of the signal acquisition module (2), the output end of the signal acquisition module (2) and the output end of the power supply module (7) are both electrically connected with the input end of the single chip microcomputer control module (3), the output end of the single chip microcomputer control module (3) is respectively electrically connected with the input end of a test fixture and the input end of a data storage module (8), the output end of the test fixture (4) is electrically connected with the input end of the alarm module (5), and the output end of the alarm module (5) is respectively electrically connected with the input end of the display module (6) and the input end of the single chip microcomputer control module (3);

the signal acquisition module (2) transmits acquired interface data to the single chip microcomputer control module (3), corresponding test instructions are downloaded in the single chip microcomputer control module (3), the single chip microcomputer control module (3) issues corresponding test instructions to the test fixture (4) according to the received interface data, the test fixture (4) tests the keyboard keys and transmits test results to the alarm module (5), the alarm module (5) displays the test results through the display module (6) on one path and transmits the test results to the single chip microcomputer control module (3) on the other path, the single chip microcomputer control module (3) stores the received data in the data storage module (8), and the power supply module (7) provides voltage required by work for the single chip microcomputer control module (3).

2. The automatic tester for keyboard interfaces of main boards of notebook computers according to claim 1, characterized in that: the interface (1) ranges from a 22PIN interface to a 36PIN interface.

3. The automatic tester for keyboard interfaces of main boards of notebook computers according to claim 1, characterized in that: the single chip microcomputer control module (3) is a 51 single chip microcomputer.

4. The automatic tester for keyboard interfaces of main boards of notebook computers according to claim 1, characterized in that: the alarm module (5) comprises an indicator light and a buzzer.

5. The automatic tester for keyboard interfaces of main boards of notebook computers according to claim 1, characterized in that: and the test fixture (4) is connected with the keyboard to be tested.

6. The automatic tester for keyboard interfaces of main boards of notebook computers according to claim 1, characterized in that: the display module (6) is a liquid crystal display screen.