CN112284784B - Automatic touch screen clicking equipment, testing system comprising same and testing method - Google Patents
Automatic touch screen clicking equipment, testing system comprising same and testing method Download PDFInfo
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- CN112284784B CN112284784B CN202011125270.7A CN202011125270A CN112284784B CN 112284784 B CN112284784 B CN 112284784B CN 202011125270 A CN202011125270 A CN 202011125270A CN 112284784 B CN112284784 B CN 112284784B
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- touch screen
- hollow electromagnet
- ferromagnetic rod
- control interface
- spring
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/008—Subject matter not provided for in other groups of this subclass by doing functionality tests
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/66—Testing of connections, e.g. of plugs or non-disconnectable joints
- G01R31/68—Testing of releasable connections, e.g. of terminals mounted on a printed circuit board
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Abstract
The invention provides an automatic touch screen clicking device, a testing system and a testing method comprising the same, wherein the automatic touch screen clicking device comprises: the hollow electromagnet is fixed above the touch screen through the mounting bracket; a ferromagnetic rod extending downwards into the hollow electromagnet from the top of the hollow electromagnet; the spring is sleeved on the ferromagnetic rod, the top end of the spring is connected with the top end of the ferromagnetic rod, and the bottom end of the spring is connected with the hollow electromagnet; and the touch control pen is connected to the bottom end of the ferromagnetic rod. The automatic clicking equipment disclosed by the invention can automatically click the touch screen so as to carry out subsequent tests, and compared with a mechanical arm, the automatic clicking equipment has the advantage that the cost is greatly reduced.
Description
Technical Field
The invention relates to the technical field of electronics, in particular to automatic touch screen clicking equipment, a testing system comprising the same and a testing method.
Disclosure of Invention
The connection mode of the Touch Panel (TP) and the PCBA (Printed circuit board assembly ) is generally divided into two modes, one is COF (Chip on FPC) mode, i.e., TP chip is disposed on FPC (flat cable), and the other is COB (Chip on board) mode, i.e., TP chip is disposed on PCBA.
When the touch screen is connected with the PCBA in a COF mode and test points of the touch screen control interface are arranged on the PCBA, whether the touch screen control interface of the PCBA is normal can be judged by testing the test points. When the touch screen is connected with the PCBA in a COB mode or the touch screen is connected with the PCBA in a COF mode but a test point of the touch screen control interface is not arranged on the PCBA, if the touch screen control interface needs to be tested, the touch screen is connected with the PCBA first, then the touch screen is clicked, and whether the touch screen control interface of the PCBA is normal can be judged by judging whether the click position sensed by the touch screen is in a preset position range.
For the latter test method, it is necessary to manually click the touch screen or to automatically click the touch screen with a robot arm. As is well known, manual operations are time-consuming and laborious; the mechanical arm is used, so that time and labor are saved, but the cost is high.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide the automatic touch screen clicking equipment with simple structure and low cost, and the test system and the test method comprising the same.
In order to achieve the above object, the present invention provides a touch screen automatic pointing device, wherein the PCBA board is connected to a touch screen through the touch screen control interface, the touch screen automatic pointing device includes:
the hollow electromagnet is fixed above the touch screen through the mounting bracket;
a ferromagnetic rod extending downwards into the hollow electromagnet from the top of the hollow electromagnet;
the spring is sleeved on the ferromagnetic rod, the top end of the spring is connected with the top end of the ferromagnetic rod, and the bottom end of the spring is connected with the hollow electromagnet;
and the touch control pen is connected to the bottom end of the ferromagnetic rod.
In a preferred embodiment of the invention, the bottom end of the spring is connected to the top of the hollow electromagnet.
In a preferred embodiment of the invention, the bottom end of the spring is connected to the bottom of the hollow electromagnet.
In a preferred embodiment of the invention, the mounting bracket comprises a column and a support plate transversely fixed to the column, and the hollow electromagnet is fixed to the support plate.
In a preferred embodiment of the present invention, the mounting bracket further includes a carrying platform for carrying the touch screen, and the carrying platform is connected to the upright post.
In a preferred embodiment of the present invention, a positioning structure for positioning the touch screen is disposed on the carrying platform.
In a preferred embodiment of the present invention, the stylus and the ferromagnetic rod are connected by a non-ferromagnetic connection.
In a preferred embodiment of the present invention, the top end of the ferromagnetic rod is provided with a ferromagnetic cap.
In order to achieve the above object, the present invention further provides a test system for testing a touch screen control interface of a PCBA board, wherein the PCBA board is connected with a touch screen through the touch screen control interface, the test system comprising:
the automatic clicking device of the touch screen;
the testing tool is used for receiving the sensing clicking position output by the touch screen when the magnetic force generated by the electrification of the hollow electromagnet drives the ferromagnetic rod to move downwards and further drives the touch pen to click the touch screen, judging whether the sensing clicking position is in a preset position range or not, and judging that the touch screen control interface of the PCBA is normal if the sensing clicking position is in the preset position range.
In order to achieve the above object, the present invention further provides a testing method for testing a touch screen control interface of a PCBA board, where the PCBA board is connected to a touch screen through the touch screen control interface, and the testing method is implemented by using the foregoing touch screen automatic clicking device, and the testing method includes:
electrifying the hollow electromagnet so that magnetic force generated by the hollow electromagnet drives a ferromagnetic rod to move downwards, and further drives the touch pen to click the touch screen;
and receiving the sensing click position output by the touch screen, judging whether the sensing click position is within a preset position range, and if so, judging that the touch screen control interface of the PCBA is normal.
By adopting the technical scheme, the invention has the following beneficial effects compared with the prior art:
the invention provides a simple-structure automatic touch screen clicking device, when a hollow electromagnet is electrified, magnetic force generated by the hollow electromagnet drives a ferromagnetic rod to move downwards, and further drives a touch pen to click on a touch screen, and whether a touch screen control interface of a PCBA is normal can be judged by judging whether an inductive clicking position output by the touch screen is within a preset position range. Therefore, the automatic touch screen clicking device can automatically click the touch screen for subsequent testing, efficiency and accuracy are improved relative to manual clicking, and cost is greatly reduced relative to mechanical arm clicking.
Drawings
Fig. 1 is a schematic structural diagram of an automatic touch screen clicking device according to embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of an automatic touch screen clicking device according to embodiment 2 of the present invention;
FIG. 3 is a schematic diagram of a test system according to embodiment 3 of the present invention;
fig. 4 is a flowchart of a testing method of embodiment 4 of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.
Example 1
As shown in fig. 1, the present embodiment provides a touch screen automatic pointing device, in which a PCBA board (not shown) is connected to a touch screen 20 through a touch screen control interface (not shown). The touch screen automatic pointing device 10 of the present embodiment includes a mounting bracket 11, a hollow electromagnet 12, a ferromagnetic rod 13, a spring 14, and a stylus 15.
In this embodiment, the side of the mounting bracket 11 is in a shape of , which includes a column 111, a support plate 112 transversely fixed to the top end of the column 111, and a carrying platform 113 transversely fixed to the bottom end of the column 111. The supporting platform 113 is used for supporting the touch screen 20, and the supporting plate 112 is used for fixing the hollow electromagnet 12 above the touch screen 20.
In this embodiment, the ferromagnetic rod 13 extends downward into the hollow electromagnet 12 from the top of the hollow electromagnet 12, and the bottom end of the ferromagnetic rod 13 is connected with the pen tail of the stylus 15; the spring 14 is sleeved on the ferromagnetic rod 13, the top end of the spring 14 is connected with the top end of the ferromagnetic rod 13, and the bottom end of the spring 14 is connected with the top end of the hollow electromagnet 12. Preferably, the stylus 15 and the ferromagnetic rod 13 may also be connected 16 by a non-ferromagnetic connection; the top end of the ferromagnetic rod 13 is provided with a ferromagnetic cap 131.
In this embodiment, the hollow electromagnet 12 is not powered on in a default state, and the stylus 15 is located above the touch screen 20 and does not touch the touch screen 20. When the touch screen needs to be clicked, the hollow electromagnet 12 is electrified, so that the magnetic force generated by the hollow electromagnet 12 drives the ferromagnetic rod 13 to move downwards, and then the touch pen 15 is driven to click the touch screen. When the touch pen 15 touches the touch screen, the hollow electromagnet 12 is powered down, and under the action of the elastic force of the spring 14, the ferromagnetic rod 13 returns to the initial position to drive the touch pen 15 to leave the touch screen.
Through the above process, the device of the embodiment can realize automatic clicking on the touch screen.
Example 2
As shown in fig. 2, the touch screen automatic pointing device provided in this embodiment is different from embodiment 1 in that the bottom end of the spring 14 is connected to the bottom end of the hollow electromagnet 12.
It can be seen that this embodiment provides another implementation manner of the automatic touch screen clicking device, and the working principle thereof is the same as that of embodiment 1, and will not be described herein.
Preferably, a positioning structure (not shown in the figure) for positioning the touch screen 20 is provided on the carrying platform of the mounting bracket 11 in this embodiment, so that the touch screen can be conveniently and quickly placed in a suitable position.
Example 3
The embodiment provides a testing system for testing a touch screen control interface of a PCBA board, wherein the PCBA board is connected with a touch screen through the touch screen control interface. As shown in fig. 3, the test system of the present embodiment includes the touch screen automatic pointing device of embodiment 1 or 2 and the test tool 30 connected to the touch screen 20.
In this embodiment, the testing tool 30 is configured to receive the sensed click position output by the touch screen 20 when the magnetic force generated by powering on the hollow electromagnet 12 drives the ferromagnetic rod 13 to move downward and further drives the stylus 15 to click the touch screen, and determine whether the touch screen control interface of the PCBA is normal by determining whether the sensed click position is within a preset position range. Specifically, if the sensed click position is within the preset position range, the touch screen control interface of the PCBA is judged to be normal, otherwise, the touch screen control interface of the PCBA is judged to be abnormal.
Therefore, through the testing system of the embodiment, automatic testing of the touch screen control interface of the PCBA board can be realized.
Example 4
The embodiment provides a testing method for testing a touch screen control interface of a PCBA board, wherein the PCBA board is connected with a touch screen through the touch screen control interface. The testing method of this embodiment is implemented by using the touch screen automatic clicking device in the foregoing embodiment 1 or 2, as shown in fig. 4, and includes the following steps:
s1, the hollow electromagnet 12 is electrified, so that the magnetic force generated by the hollow electromagnet drives the ferromagnetic rod 13 to move downwards, and further drives the touch pen 15 to click the touch screen 20.
S2, receiving the sensing clicking position output by the touch screen 20, and judging whether the touch screen control interface of the PCBA is normal by judging whether the sensing clicking position is within a preset position range. Specifically, if the sensed click position is within the preset position range, the touch screen control interface of the PCBA is judged to be normal, otherwise, the touch screen control interface of the PCBA is judged to be abnormal.
And S3, the hollow electromagnet 12 is powered down, and under the action of the elastic force of the spring 14, the ferromagnetic rod 13 returns to the initial position, so that the touch pen 15 is driven to leave the touch screen 20.
Therefore, by the testing method of the embodiment, the automatic test of the touch screen control interface of the PCBA can be realized.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the principles and spirit of the invention, but such changes and modifications fall within the scope of the invention.
Claims (6)
1. A test system for testing a touch screen control interface of a PCBA board, wherein the PCBA board is connected to a touch screen through the touch screen control interface, the test system comprising:
the touch screen automatic clicking device;
the testing tool is used for receiving an induction clicking position output by the touch screen when the magnetic force generated by the electrification of the hollow electromagnet drives the ferromagnetic rod to move downwards so as to drive the touch pen to click the touch screen, judging whether the induction clicking position is in a preset position range, and judging that a touch screen control interface of the PCBA is normal if the induction clicking position is in the preset position range;
the automatic clicking device of the touch screen comprises:
the hollow electromagnet is fixed above the touch screen through the mounting bracket;
a ferromagnetic rod extending downwards into the hollow electromagnet from the top of the hollow electromagnet;
the spring is sleeved on the ferromagnetic rod, the top end of the spring is connected with the top end of the ferromagnetic rod, and the bottom end of the spring is connected with the hollow electromagnet;
a stylus connected to the bottom end of the ferromagnetic rod;
the bottom end of the spring is connected with the top of the hollow electromagnet, or the bottom end of the spring is connected with the bottom of the hollow electromagnet;
the touch control pen is connected with the ferromagnetic rod through a non-ferromagnetic connecting piece.
2. The test system of claim 1, wherein the mounting bracket comprises a post and a support plate secured laterally to the post, the hollow electromagnet being secured to the support plate.
3. The test system of claim 2, wherein the mounting bracket further comprises a load platform for carrying the touch screen, the load platform being coupled to the post.
4. A test system according to claim 3, wherein the load platform is provided with a positioning structure for positioning the touch screen.
5. The test system of claim 1, wherein the top end of the ferromagnetic rod is provided with a ferromagnetic cap.
6. A test method for testing a touch screen control interface of a PCBA board, wherein the PCBA board is connected to a touch screen through the touch screen control interface, characterized in that the test method is implemented using a touch screen automatic pointing device in a test system according to any of the preceding claims 1-5, the test method comprising:
electrifying the hollow electromagnet so that magnetic force generated by the hollow electromagnet drives a ferromagnetic rod to move downwards, and further drives the touch pen to click the touch screen;
and receiving the sensing click position output by the touch screen, judging whether the sensing click position is within a preset position range, and if so, judging that the touch screen control interface of the PCBA is normal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011125270.7A CN112284784B (en) | 2020-10-20 | 2020-10-20 | Automatic touch screen clicking equipment, testing system comprising same and testing method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011125270.7A CN112284784B (en) | 2020-10-20 | 2020-10-20 | Automatic touch screen clicking equipment, testing system comprising same and testing method |
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| CN112284784A CN112284784A (en) | 2021-01-29 |
| CN112284784B true CN112284784B (en) | 2023-06-23 |
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| CN207037615U (en) * | 2017-08-24 | 2018-02-23 | 邓允明 | A kind of electric touch screen pointing device |
| CN207992972U (en) * | 2018-02-06 | 2018-10-19 | 深圳市华夏双赢通信有限公司 | Touch screen clicks control system |
| CN208421167U (en) * | 2018-06-11 | 2019-01-22 | 英特尔产品（成都）有限公司 | A kind of automatic keying clicker |
| CN209496354U (en) * | 2019-03-13 | 2019-10-15 | 深圳市华夏双赢通信有限公司 | Touch screen pointing device |
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| CN103869236A (en) * | 2014-03-31 | 2014-06-18 | 广州华欣电子科技有限公司 | Method and jig for testing infrared touch screen PCBA |
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| CN112284784A (en) | 2021-01-29 |
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