CN208334515U - A kind of test device of novel capacitive touch screen - Google Patents
A kind of test device of novel capacitive touch screen Download PDFInfo
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- CN208334515U CN208334515U CN201820399578.2U CN201820399578U CN208334515U CN 208334515 U CN208334515 U CN 208334515U CN 201820399578 U CN201820399578 U CN 201820399578U CN 208334515 U CN208334515 U CN 208334515U
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- touch screen
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- test device
- capacitive touch
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Abstract
The utility model discloses a kind of test devices of novel capacitive touch screen, including main control module, display module, memory module, A/D signal acquisition module, regulated power supply output module and communication module.The utility model has the beneficial effects that using same set of hardware device, the different IC of multiple touch screen producers are supported, when replacing product type, no replacement is required hardware, the present apparatus carry display interface, is not necessarily to computer, convenient with automated test device cooperation.
Description
Technical field
The utility model relates to improvement of detecting device, especially a kind of test device of novel capacitive touch screen.
Background technique
Capacitive touch screen is a kind of touch screen that the electric current induction using human body works, and is widely used in various
In mobile terminal, particularly smart phone.
There are yield issues and process deviation when due to plant produced touch screen, such as touch screen scratches, flexible circuit board
Damage, therefore the necessary links as quality control, for the electronic equipment using capacitive touch screen, in its production process
In addition to needing to the modules before assembly and other than component tests, it is also necessary to test the complete machine after assembly, this is whole
Machine, which refers to, is at least equipped with capacitive touch screen and touch screen driving chip, can run the electronic equipment of basic program.
There are many well-known manufacturers just in large batch of volume production capacitive touch screen at present.But for manufacturer,
Capacitive touch screen has the following problems in testing:
1, test environment is complicated.Each touch screen producer all uses the test substrate of oneself and test software to be surveyed
Examination, when leading to producing line volume production in this way, one product type of every replacement needs replacing corresponding hardware and software.
2, automated test device can not easily be cooperated to use.The test substrate of different touch screen producers and test are soft
Part is different, cannot be compatible between each other, when replacing product type, needs to test substrate and takes out more from automated test device
It changes, it is very inconvenient.
Utility model content
Purpose of the utility model is to solve the above problems, devise a kind of test of novel capacitive touch screen
Device.
Realize that above-mentioned purpose the technical solution of the utility model is a kind of test device of novel capacitive touch screen,
Including main control module, display module, memory module, A/D signal acquisition module, regulated power supply output module and communication module,
In,
The PORT COM that the PORT COM of the main control module passes through conducting wire and regulated power supply output module respectively electrically connects
It connects, the regulated power supply output module is powered for providing four road adjustable output voltages to touch screen to be tested；
The PORT COM of the main control module passes through conducting wire respectively and the PORT COM of A/D signal acquisition module electrically connects
It connects, the A/D signal acquisition module is used to acquire the GPIO mouth level of touch screen to be tested, tests GPIO mouthfuls of on-off；
The PORT COM of the main control module is electrically connected by the PORT COM of conducting wire and communication module, the communication mould
Block is used for external automation control appliance and master for the data interaction between touch screen to be tested and main control unit
Control the data interaction between unit；
The output end of the main control module is electrically connected by the input terminal of conducting wire and display module, and the display module is used
In the test result of display touch screen；
The output end of the main control module is electrically connected by conducting wire and the input terminal of memory module, and the memory module is used
In the test result and test configurations item of storage touch screen.
Preferably, the communication module is wifi module, bluetooth module or G module.
Preferably, the voltage range 0-4V of the regulated power supply output module.
Preferably, the main control module is the main control module of the microcontroller of model STM32F103ZET6.
Preferably, the display module is capacitor display screen or LED display.
Using the test device of the novel capacitive touch screen of one kind of the technical solution of the utility model production, using same
A set of hardware device, supports the different IC of multiple touch screen producers, when replacing product type, no replacement is required hardware；
The test device of this capacitive touch screen carries display interface, is not necessarily to computer, convenient to match with automated test device
It closes.
Detailed description of the invention
Fig. 1 is the hardware connection figure of the test device of the novel capacitive touch screen of one kind described in the utility model；
In figure, 1, main control module；2, display module；3, memory module；4, A/D signal acquisition module；5, regulated power supply is defeated
Module out；6, communication module.
Specific embodiment
The utility model is specifically described with reference to the accompanying drawing, as shown in Figure 1, a kind of novel capacitive touch screen
Test device, including main control module 1, display module 2, memory module 3, A/D signal acquisition module 4, regulated power supply export mould
Block 5 and communication module 6, wherein the PORT COM of main control module 1 passes through the communication of conducting wire Yu regulated power supply output module 5 respectively
Port is electrically connected, and regulated power supply output module 5 is powered for providing four road adjustable output voltages to touch screen to be tested；Master control
The PORT COM of module 1 passes through conducting wire respectively and the PORT COM of A/D signal acquisition module 4 is electrically connected, A/D signal acquisition mould
Block 4 is used to acquire the GPIO mouth level of touch screen to be tested, tests GPIO mouthfuls of on-off；The PORT COM of main control module 1 passes through
The PORT COM of conducting wire and communication module 6 is electrically connected, and communication module 6 is for the number between touch screen to be tested and main control unit
According to alternating transmission, and for the data interaction between external automation control appliance and main control unit；Main control module 1
Output end is electrically connected by the input terminal of conducting wire and display module 2, and display module 2 is used to show the test result of touch screen；
The output end of main control module 1 is electrically connected by conducting wire and the input terminal of memory module 3, and memory module 3 is for storing touch screen
Test result and test configurations item；Communication module 6 is wifi module, bluetooth module or 3G module；Regulated power supply output module 5
Voltage range 0-4V；Main control module 1 is the microcontroller of model STM32F103ZET6；Display module 2 is capacitor display screen
Or LED display.
The test method of the present apparatus is as follows: A/D signal acquisition module 4, regulated power supply output module 5 and communication module 6 are logical
It crosses pinboard and is connected to touch screen to be tested；Main control module 1 controls 5 output voltage of regulated power supply output module, to be tested
Touch screen power supply；Main control module 1 controls A/D signal acquisition module 4, detects the GPIO mouth of the touch screen, judges the touch screen
GPIO mouthfuls of on-off；Main control module 1 issues a command to touch screen to be tested by I2C bus or spi bus, and reading should
The register data of chip is touched in touch screen.After the completion of test, test result is stored in memory module 3 by main control module 1,
And be shown on display module 2, external automation control appliance can also be sent to by serial ports or RJ45 network interface.
In the technical scheme, the voltage range 0-4V of regulated power supply output module 5.
In the technical scheme, main control module 1 is the microcontroller of model STM32F103ZET6.
In the technical scheme, display module 2 is capacitor display screen or LED display.
Above-mentioned technical proposal only embodies the optimal technical scheme of technical solutions of the utility model, the technology of the art
Personnel embody the principles of the present invention to some variations that some of them part may be made, and belong to the utility model
Protection scope within.
Claims (5)
1. a kind of test device of novel capacitive touch screen, which is characterized in that including main control module (1), display module
(2), memory module (3), A/D signal acquisition module (4), regulated power supply output module (5) and communication module (6), wherein
The PORT COM of the main control module (1) passes through conducting wire respectively and the PORT COM of regulated power supply output module (5) is electrical
Connection, the regulated power supply output module (5) are powered for providing four road adjustable output voltages to touch screen to be tested；
The PORT COM of the main control module (1) passes through conducting wire respectively and the PORT COM of A/D signal acquisition module (4) electrically connects
It connects, the A/D signal acquisition module (4) is used to acquire the GPIO mouth level of touch screen to be tested, tests GPIO mouthfuls of on-off；
The PORT COM of the main control module (1) is electrically connected by conducting wire and the PORT COM of communication module (6), the communication
Module (6) is set for the data interaction between touch screen to be tested and main control unit, and for external automation control
The standby data interaction between main control unit；
The output end of the main control module (1) is electrically connected by conducting wire and the input terminal of display module (2), the display module
(2) for showing the test result of touch screen；
The output end of the main control module (1) is electrically connected by conducting wire and the input terminal of memory module (3), the memory module
(3) for storing the test result and test configurations item of touch screen.
2. the test device of the novel capacitive touch screen of one kind according to claim 1, which is characterized in that the communication
Module (6) is wifi module, bluetooth module or 3G module.
3. the test device of the novel capacitive touch screen of one kind according to claim 1, which is characterized in that described adjustable
The voltage range 0-4V of power supply output module (5).
4. the test device of the novel capacitive touch screen of one kind according to claim 1, which is characterized in that the master control
Module (1) is the microcontroller of model STM32F103ZET6.
5. the test device of the novel capacitive touch screen of one kind according to claim 1, which is characterized in that the display
Module (2) is capacitor display screen or LED display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820399578.2U CN208334515U (en) | 2018-03-22 | 2018-03-22 | A kind of test device of novel capacitive touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820399578.2U CN208334515U (en) | 2018-03-22 | 2018-03-22 | A kind of test device of novel capacitive touch screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208334515U true CN208334515U (en) | 2019-01-04 |
Family
ID=64783672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820399578.2U Active CN208334515U (en) | 2018-03-22 | 2018-03-22 | A kind of test device of novel capacitive touch screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208334515U (en) |
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2018
- 2018-03-22 CN CN201820399578.2U patent/CN208334515U/en active Active
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