CN205787005U - A kind of printer touch screen function test device - Google Patents
A kind of printer touch screen function test device Download PDFInfo
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- CN205787005U CN205787005U CN201620477323.4U CN201620477323U CN205787005U CN 205787005 U CN205787005 U CN 205787005U CN 201620477323 U CN201620477323 U CN 201620477323U CN 205787005 U CN205787005 U CN 205787005U
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- touch screen
- test device
- printer
- module
- printer touch
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Abstract
The utility model discloses a kind of printer touch screen function test device, printer touch screen to be measured includes MCU module and the TFT LCD module connected, LED module；Described test device includes Industry Control computer and test fixture, CPLD module and printer touch screen to be measured it is clamped with on described test fixture, printer touch screen to be measured is provided with the second serial line interface that the first serial line interface being connected respectively is connected with TFT LCD module with MCU module, described Industry Control computer one tunnel directly connects the first serial line interface by universal serial bus, separately leads up to universal serial bus and CPLD module connects the second serial line interface.Printer touch screen circuitry mainboard is tested by this utility model automatically, and test data can store and upload, and improves efficiency, it is simple to quality control.
Description
Technical field
This utility model relates to field tests, particularly to a kind of printer touch screen function test device.
Background technology
Along with economic globalization is deepened day by day, the division of labor between enterprise is the finest and closely woven, and for the consideration of production cost, product is produced just becoming more and more difficult completely by a company.Even if the office equipment so commonly used for printer, all can occur that control panel produces in A company, mainboard produces in B company, and complete machine may assemble in C company.Dispatching from the factory, QianABCSan Ge company will test its product.For A company, it is desirable to develop an action that can simulate B company mainboard send and accept the test system of instruction, the product of our company is tested, so A company just can avoid control panel to be assembled on whole printer to test, and in development, this will become more valuable.Thus it is greatly saved hardware cost, improve the efficiency of company A product test.
Meanwhile, along with developing rapidly of science and technology, the components and parts that electronic product is used are constantly updated and are regenerated.Currently, microcontroller chip is used widely in electronic product with CPLD.In field of engineering technology, if we can be applied to the new electronic component constantly occurred to test system development aspect, it will become the most meaningful.
Now conventional method of testing is: uses measurement jig to hold the touch screen of electronic product, the most manually by pointer, touch screen is carried out assignment test.Conventional measurement jig has point location and setting-out localization tool.Needing to make different tools for different machines, a machine needs to make two to three tools, and so producing line needs to make a lot of tool, expends financial resources, uses tool the most very labor intensive simultaneously.
Utility model content
This utility model purpose is: provide a kind of printer touch screen function test device.
The technical solution of the utility model is:
A kind of printer touch screen function test device, printer touch screen to be measured includes MCU module and the TFT-LCD module connected, LED module；Described test device includes Industry Control computer and test fixture, CPLD module and printer touch screen to be measured it is clamped with on described test fixture, printer touch screen to be measured is provided with the second serial line interface that the first serial line interface being connected respectively is connected with TFT-LCD module with MCU module, described Industry Control computer one tunnel directly connects the first serial line interface by universal serial bus, separately leads up to universal serial bus and CPLD module connects the second serial line interface.
Preferably, described LED module includes LED backlight and LED light.
Preferably, described test device also includes regulated power supply, provides running voltage for printer touch screen to be measured.
Preferably, it is also associated with safety between described regulated power supply and printer touch screen to be measured.
Preferably, described MCU module uses AVR controller.
Preferably, Industry Control computer is connected to LAN, test data is shared.
The utility model has the advantages that:
Printer touch screen circuitry mainboard is tested by this utility model automatically, and test data can store and upload, and improves efficiency, it is simple to quality control.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings and this utility model is further described by embodiment:
Fig. 1 is the structure principle chart of printer touch screen function described in the utility model test device.
Detailed description of the invention
As it is shown in figure 1, a kind of printer touch screen function test device, printer touch screen to be measured includes MCU module and the TFT-LCD module connected, LED module；Described test device includes Industry Control computer and test fixture, CPLD module and printer touch screen to be measured it is clamped with on described test fixture, printer touch screen to be measured is provided with the second serial line interface that the first serial line interface being connected respectively is connected with TFT-LCD module with MCU module, described Industry Control computer one tunnel directly connects the first serial line interface by universal serial bus, separately leads up to universal serial bus and CPLD module connects the second serial line interface.
Described LED module includes LED backlight and LED light.
Described test device also includes regulated power supply, provides running voltage for printer touch screen to be measured.
It is also associated with safety between described regulated power supply and printer touch screen to be measured.
Described MCU module uses AVR controller.
Industry Control computer is connected to LAN, test data is shared.
This utility model is with automatically testing printer touch screen circuitry mainboard, and test data can store and upload, and improves efficiency, it is simple to quality control.Concrete, first carry out hardware connection, connect Industry Control computer, test fixture, overcurrent safety device, load onto printer touch screen to be measured, automatically circuit board under test is pressed in test fixture by Pneumatic component.Test software loaded onto by Industry Control computer, opens test software, the test automatic to mainboard automatically of this testing station.Automatically test includes: burning AVR Single Chip Microcomputer (SCM) program；Burning CPLD program；Touch screen initialization test；Software version checks；LCD image display checks；LED backlight is tested；Touch panel coordinates is calibrated；LED light is tested.Test data automatically save and are automatically uploaded to LAN, it is simple to quality monitoring.
Above-described embodiment only for technology of the present utility model design and feature are described, its object is to allow person skilled in the art will appreciate that content of the present utility model and to implement according to this, can not limit protection domain of the present utility model with this.All modifications done according to the spirit of this utility model main technical schemes, all should contain within protection domain of the present utility model.
Claims (6)
1. a printer touch screen function test device, it is characterised in that: printer touch screen to be measured includes MCU module and the TFT-LCD module connected, LED module；Described test device includes Industry Control computer and test fixture, CPLD module and printer touch screen to be measured it is clamped with on described test fixture, printer touch screen to be measured is provided with the second serial line interface that the first serial line interface being connected respectively is connected with TFT-LCD module with MCU module, described Industry Control computer one tunnel directly connects the first serial line interface by universal serial bus, separately leads up to universal serial bus and CPLD module connects the second serial line interface.
Printer touch screen function the most according to claim 1 test device, it is characterised in that: described LED module includes LED backlight and LED light.
Printer touch screen function the most according to claim 2 test device, it is characterised in that: described test device also includes regulated power supply, provides running voltage for printer touch screen to be measured.
Printer touch screen function the most according to claim 3 test device, it is characterised in that: it is also associated with safety between described regulated power supply and printer touch screen to be measured.
Printer touch screen function the most according to claim 4 test device, it is characterised in that: described MCU module uses AVR controller.
Printer touch screen function the most according to claim 5 test device, it is characterised in that: Industry Control computer is connected to LAN, test data is shared.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620477323.4U CN205787005U (en) | 2016-05-24 | 2016-05-24 | A kind of printer touch screen function test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620477323.4U CN205787005U (en) | 2016-05-24 | 2016-05-24 | A kind of printer touch screen function test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205787005U true CN205787005U (en) | 2016-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201620477323.4U Active CN205787005U (en) | 2016-05-24 | 2016-05-24 | A kind of printer touch screen function test device |
Country Status (1)
| Country | Link |
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| CN (1) | CN205787005U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105866662A (en) * | 2016-05-24 | 2016-08-17 | 佰电科技(苏州)有限公司 | Printer touch screen function testing device |
-
2016
- 2016-05-24 CN CN201620477323.4U patent/CN205787005U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105866662A (en) * | 2016-05-24 | 2016-08-17 | 佰电科技(苏州)有限公司 | Printer touch screen function testing device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |