CN112698122B - Screen testing device - Google Patents
Screen testing device Download PDFInfo
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- CN112698122B CN112698122B CN202011306361.0A CN202011306361A CN112698122B CN 112698122 B CN112698122 B CN 112698122B CN 202011306361 A CN202011306361 A CN 202011306361A CN 112698122 B CN112698122 B CN 112698122B
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- 238000012360 testing method Methods 0.000 title claims abstract description 182
- 230000007246 mechanism Effects 0.000 claims abstract description 118
- 239000000872 buffer Substances 0.000 claims description 25
- 230000033001 locomotion Effects 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
Classifications
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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
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Abstract
The embodiment of the invention discloses a screen testing device which comprises a mounting seat, a plurality of testing heads and a driving system, wherein at least two of the plurality of testing heads are used for carrying out different tests on a screen, the plurality of testing heads are fixed on the mounting seat, the driving system is connected with the mounting seat, the driving system comprises an X-axis moving mechanism, a Y-axis moving mechanism and a rotating mechanism, the X-axis moving mechanism is used for driving the mounting seat and the testing heads to move along the X-axis direction, the Y-axis moving mechanism is used for moving along the Y-axis direction, the rotating mechanism is used for rotating and positioning the mounting seat, and the testing heads used for testing the screen are changed. Therefore, the screen testing device provided by the embodiment of the invention can complete multiple different tests on the screen through one device, reduces the number of devices required by the screen test, reduces the occupied space, and effectively improves the screen testing efficiency.
Description
Technical Field
The invention relates to the field of test equipment, in particular to a screen test device.
Background
With the development of technology, electronic products such as mobile phones and tablet computers increasingly adopt touch screens as user input devices and image output devices. In order to ensure the product quality, multiple tests are required to be carried out on the screen before the electronic product leaves the factory. The traditional testing process generally adopts a plurality of testing devices, each testing device carries out a specific test item on a screen, however, the plurality of testing devices occupy a large space, and the circulation process of products among different testing devices consumes longer time, so that the efficiency of the testing process is greatly reduced.
Disclosure of Invention
An object of an embodiment of the present invention is to provide a screen testing apparatus that performs a plurality of tests on a screen by one apparatus, capable of improving the above-described problems.
The screen testing device provided by the embodiment of the invention comprises a mounting seat, a plurality of testing heads and a driving system; a plurality of test heads secured to the mount, the test heads configured to contact the screen for testing, at least two of the plurality of test heads configured to differently test the screen; the driving system is connected with the mounting seat and comprises an X-axis moving mechanism for driving the mounting seat to move along the X-axis direction, a Y-axis moving mechanism for driving the mounting seat to move along the Y-axis direction and a rotating mechanism for driving the mounting seat to rotate around the Z-axis; wherein the Y axis is perpendicular to the X axis, and the Z axis is perpendicular to both the X axis and the Y axis; the rotation mechanism is configured to drive the mount to rotate and position to change the test head for screen testing.
Further, the Y-axis moving mechanism is a finger cylinder, the finger cylinder comprises two clamping fingers, each clamping finger is correspondingly provided with an installation seat and a group of test heads, and the installation seat is fixedly connected with the corresponding clamping finger.
Further, the test head includes contacts for contacting the screen for testing.
Further, the test head also includes a buffer structure configured to buffer the contacts.
Further, the test head further comprises a fixing block and a connecting rod, the fixing block is fixedly connected with the mounting seat, the connecting rod is movably arranged on the fixing block along the X-axis direction, the connecting rod is provided with a first end and a second end far away from the first end, and the contact piece is arranged at the first end of the connecting rod.
Further, the fixed block is provided with a first mounting hole penetrating along the X-axis direction, the connecting rod penetrates through the first mounting hole, the second end of the connecting rod is provided with a limiting table, the size of the limiting table is larger than that of the first mounting hole, and the buffer structure comprises a first elastic piece, and the first elastic piece is abutted between the contact piece and the fixed block.
Further, the fixed block is provided with a second mounting hole along the X-axis direction, the second mounting hole is a blind hole, a strip-shaped hole extending along the X-axis direction is formed in the side wall of the second mounting hole, the buffer structure comprises a second elastic piece and a limiting pin, the second end of the connecting rod is arranged in the second mounting hole in a penetrating mode, the second elastic piece is arranged between the bottom of the second mounting hole and the second end of the connecting rod, and the limiting pin is arranged in the strip-shaped hole in a penetrating mode and fixedly connected with the connecting rod.
Further, the contact is a contact configured to click and/or swipe the screen or a roller configured to roll the screen.
Further, the drive system also includes a rotation limiting mechanism configured to limit a rotation angle of the rotation mechanism.
Further, the Y-axis moving mechanism is connected with the mounting seat; the output end of the X-axis moving mechanism is connected with the rotating mechanism, and the output end of the rotating mechanism is connected with the Y-axis moving mechanism; or, the output end of the rotating mechanism is connected with the X-axis moving mechanism, and the output end of the X-axis moving mechanism is connected with the Y-axis moving mechanism.
The embodiment of the invention provides a screen testing device which comprises a mounting seat, a plurality of testing heads and a driving system, wherein at least two of the plurality of testing heads are used for carrying out different tests on a screen, the plurality of testing heads are fixed on the mounting seat, the driving system is connected with the mounting seat, the driving system comprises an X-axis moving mechanism, a Y-axis moving mechanism and a rotating mechanism, the X-axis moving mechanism is used for driving the mounting seat and the testing heads to move along the X-axis direction, the Y-axis moving mechanism is used for moving along the Y-axis direction, the rotating mechanism is used for rotating and positioning the mounting seat, and the testing heads used for testing the screen are changed. Therefore, the screen testing device provided by the embodiment of the invention can complete multiple different tests on the screen through one device, reduces the number of devices required by the screen test, reduces the occupied space, and effectively improves the screen testing efficiency.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following description of embodiments of the present invention with reference to the accompanying drawings, in which:
FIG. 1 is a schematic perspective view of a screen test device according to an embodiment of the present invention;
FIG. 2 is a front view of a screen testing apparatus according to an embodiment of the present invention;
FIG. 3 is a top view of a screen test device according to an embodiment of the present invention;
FIG. 4 is a left side view of a screen testing apparatus according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view of a screen test device along the A-A direction of an embodiment of the present invention;
FIG. 6 is a schematic diagram showing a first state of a screen test performed by the screen test device according to the embodiment of the present invention;
FIG. 7 is a schematic diagram showing a second state of the screen test performed by the screen test device according to the embodiment of the present invention;
fig. 8 is a schematic diagram of a third state of the screen test performed by the screen test device according to the embodiment of the present invention.
Reference numerals illustrate:
1-a mounting base; 2-a test head; 21-contacts; 211-contacts; 212-a roller; 22-a fixed block; 221-a first mounting hole; 222-a second mounting hole; 223-bar-shaped holes; 23-connecting rod; 231-a limiting table; 24-a first elastic member; 25-a second elastic member; 26-a limiting pin; 3-a drive system; 31-X axis moving mechanism; a 32-Y axis movement mechanism; 321-clamping fingers; 33-a rotation mechanism; 34-a rotation limiting mechanism; 341-a stop; 342-a buffer; 343-a support; 4-screen; 5-fixing seat.
Detailed Description
The present invention is described below based on examples, but the present invention is not limited to only these examples. In the following detailed description of the present invention, certain specific details are set forth in detail. The present invention will be fully understood by those skilled in the art without the details described herein. Well-known methods, procedures, flows, components and circuits have not been described in detail so as not to obscure the nature of the invention.
Moreover, those of ordinary skill in the art will appreciate that the drawings are provided herein for illustrative purposes and that the drawings are not necessarily drawn to scale.
Unless the context clearly requires otherwise, the words "comprise," "comprising," and the like in the description are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, it is the meaning of "including but not limited to".
In the description of the present invention, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, in the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
Fig. 1 to fig. 4 are a schematic perspective view, a front view, a top view and a left view of a screen test device according to an embodiment of the present invention. As shown in fig. 1 to 4, the screen test device includes a mount 1, a plurality of test heads 2, and a drive system 3. The test head 2 is used for testing in contact with a screen, and at least two of the plurality of test heads 2 are used for testing different items on the screen. The test head 2 is fixed on the mounting seat 1, and the driving system 3 is connected with the mounting seat 1 and is used for driving the mounting seat 1 and the test head 2 arranged on the mounting seat 1 to move.
The drive system 3 includes an X-axis moving mechanism 31, a Y-axis moving mechanism 32, and a rotating mechanism 33. The X-axis moving mechanism 31 is used for driving the mount 1 to move along the X-axis direction, and the Y-axis moving mechanism 32 is used for driving the mount 1 to move along the Y-axis direction. The rotating mechanism 33 is used for driving the mounting seat 1 to rotate around the Z axis and position so as to change the testing head 2 used for screen testing. Wherein the Y axis is perpendicular to the X axis, and the Z axis is perpendicular to both the X axis and the Y axis, that is, the X axis, the Y axis and the Z axis correspond to three coordinate axes on a space rectangular coordinate system respectively. The specific directions of the X axis, the Y axis and the Z axis in space can be selected according to actual needs, and in this embodiment, the X axis direction is taken as an up-down direction, the Y axis is taken as a left-right direction, and the Z axis direction is taken as a front-back direction as an example. When testing is performed, the placing posture of the screen to be tested can be perpendicular to the X axis or the Y axis, so that the X axis moving mechanism 31 and the Y axis moving mechanism 32 can be matched to drive the testing head 2 to finish clicking action on the screen and moving action on the surface of the screen. In this embodiment, an example will be described in which a screen to be tested is placed perpendicular to the X axis.
The X-axis moving mechanism 31 and the Y-axis moving mechanism 32 may be any power mechanism capable of driving the mount 1 to move in a straight line, or a combination of a power mechanism and a transmission mechanism, for example, the X-axis moving mechanism 31 and the Y-axis moving mechanism 32 may be a cylinder, an oil cylinder, a linear motor, or a combination of a rotary motor and a linear slide table, or the like.
In some embodiments, the Y-axis movement mechanism 32 is a finger cylinder. The finger cylinder is an actuating device using compressed air as power, and comprises two clamping fingers 321, wherein the two clamping fingers 321 move relatively or oppositely along the axial direction at the same time, each clamping finger 321 is provided with a mounting seat 1, and the mounting seat 1 is fixed on the corresponding clamping finger 321. Each mounting seat 1 is provided with a group of corresponding test heads 2, and one group of test heads 2 comprises a plurality of test heads 2. The two groups of test heads 2 can be arranged identically and symmetrically, after the rotating mechanism 33 drives the mounting seats 1 to rotate and position, the two groups of test heads 2 are respectively provided with a corresponding test head 2 opposite to the screen, and the Y-axis moving mechanism 32 can enable the two groups of test heads 2 to simultaneously contact with the screen and move on the screen for testing the multi-touch performance and the like of the screen by driving the two mounting seats 1; alternatively, it is also possible to perform the corresponding test by adjusting the positioning of the drive system 3 or removing the corresponding test heads 2, and bringing only one of the test heads 2 into contact with the screen. Preferably, the test head 2 is fixed to the mounting base 1 in a manner that facilitates easy disassembly.
The rotation mechanism 33 may include a motor, a rotary cylinder, or other power mechanism that outputs a rotary motion, or may be a combination of a power mechanism that outputs a linear motion and a reversing mechanism (e.g., a combination of a linear cylinder and a worm gear), which is not limited in this embodiment of the present invention.
Preferably, the drive system 3 further comprises a rotation limiting mechanism 34, the rotation limiting mechanism 34 being configured to limit the rotation angle of the rotation mechanism 33, facilitating positioning of the motion of the rotation mechanism 33, enabling a good positioning of the test head 2 in alignment with the screen when switching the test head 2 for screen testing. The rotation limiting mechanism 34 may include a sensor for detecting the position of an object, such as a photoelectric switch or a hall sensor, and a corresponding control circuit connected to the rotation mechanism 33, and may further include a structure in which a stopper or the like blocks continued movement of the rotation mechanism 33 at a certain position by physical contact. The specific arrangement position of the rotation limiting mechanism 34 may be designed according to the relative distribution position among the plurality of test heads 2. For example, referring to fig. 1-4, each finger 321 of the finger cylinder is provided with a corresponding set of test heads, where a set of test heads includes two test heads 2 disposed in opposite directions, that is, an angle of 180 degrees between the two test heads 2. The rotation limiting mechanism 34 includes a stopper 341 and two buffers 342, the stopper 341 is fixed to the rotation output end of the rotation mechanism 33, and the two buffers 342 are disposed in parallel and symmetrically on both sides of the rotation output end of the rotation mechanism 33, and may be disposed on the body of the rotation mechanism 33 or connected to the rotation mechanism 33 through a support 343 fixed to the rotation mechanism 33. Thus, when the rotating mechanism 33 drives the mounting seat 1 to rotate 180 degrees to change the test head 2 opposite to the screen, the stop block 341 contacts with one of the buffers 342 and stops the rotating mechanism 33; when it is necessary to change the test head 2 for screen test again, the rotation mechanism 33 rotates reversely by 180 °, the stopper contacts with the other buffer 342 and stops the rotation of the rotation mechanism 33.
The screen testing device further comprises a fixing seat 5, wherein the fixing seat 5 can be installed on an operation table surface, a wall or other positions and is used for supporting and fixing the screen testing device. The drive system 3 is arranged on the holder 5. The X-axis moving mechanism 31, the Y-axis moving mechanism 32 and the rotating mechanism 33 may be connected in any connection order, and the connection relationship between the three may be designed according to the requirements of the screen test item, the specific mechanism form, the driving force and the weight of the mechanism itself, for example, the X-axis moving mechanism 31 which is easy to maintain the stability of the operation may be mounted on the fixing base 5.
In some embodiments, the Y-axis movement mechanism 32 may be coupled to the mount 1. For example, when the Y-axis moving mechanism 32 is a finger cylinder, it is provided at the extreme end of the driving system 3 to be directly connected to the mount 1, so that the overall structure of the driving system 3 can be simplified. Meanwhile, the output end of the X-axis moving mechanism 31 may be connected to the rotating mechanism 33, and the output end of the rotating mechanism 33 may be connected to the Y-axis moving mechanism 32; alternatively, the output end of the rotation mechanism 33 may be connected to the X-axis movement mechanism 31, and the output end of the X-axis movement mechanism 31 may be connected to the Y-axis movement mechanism 32.
The test head 2 includes a contact 21, the contact 21 being for direct contact with a screen for testing. The specific shape and configuration of the contacts 21 may be designed according to the test items required for the screen. For example, the contact 21 may be a contact 211, and an end of the contact 211 is arc-shaped, and may be used to simulate a human finger clicking and swiping a screen. Specifically, the driving system 3 may perform a click operation on a predetermined position on the screen by driving the contact 211 to move the contact 211 in a direction perpendicular to the screen (in the X-axis direction in this embodiment); the screen may also be stroked by moving the contact 211 in a direction parallel to the screen (in the Y-axis direction in this embodiment) after the contact 211 contacts the screen. Two parallel-arranged test heads 2 containing contacts 211 can be arranged to contact the screen at the same time, so that the multi-touch performance of the screen can be tested. For another example, the contact 21 may be a roller 212, and the roller 212 is used for rolling the screen and testing the compression resistance of the screen. Specifically, the driving system 3 moves the corresponding test head 2 to the screen, brings the roller 212 into contact with the screen and applies a certain pressure to the screen, and then drives the test head 2 to move in a direction parallel to the screen (in the Y-axis direction in this embodiment), causing the roller 212 to roll on the screen. It should be understood that the specific form of the contact 21 is not limited to the above two, and those skilled in the art may select an appropriate contact 21 according to the needs of a particular test item.
The plurality of test heads 2 are fixed on the mounting seat 1, a certain included angle can be formed between the test heads 2 for testing different items and the test heads can be distributed around the rotating shaft of the rotating mechanism 33, for example, four different test heads 2 can be arranged to be distributed radially, so that each test head 2 faces different positions, and the rotating mechanism 33 changes the test heads 2 for testing the screen by driving the mounting seat 1 to rotate by a preset angle. Of course, other arrangements may be used to position the plurality of test heads 2.
In some embodiments, the test head 2 further includes a fixing block 22 and a connecting rod 23, where the fixing block 22 is fixedly connected with the mounting seat 1. The link 23 is provided on the fixed block 22 and is movable in the X-axis direction with respect to the fixed block 22. The link has a first end and a second end, the contact 21 being mounted on the first end of the link 23, the second end being the end of the link 23 opposite the first end.
Preferably, the test head 2 further comprises a buffer structure for buffering the contact member 21, so as to avoid damage to the screen caused by hard contact of the contact member 21 with the screen. The buffer structure may include a spring, an elastic material, a pneumatic buffer device, etc. which can enable the contact member 21 to have a certain floating amount perpendicular to the screen direction when contacting the screen, and embodiments of the present invention do not impose excessive restrictions on the specific form of the buffer structure.
Fig. 5 is a schematic cross-sectional view of a screen test device according to an embodiment of the present invention along A-A in fig. 3. Referring to fig. 5, in some embodiments, the fixing block 22 has a first mounting hole 221 penetrating in the X-axis direction, and the link 23 is provided to penetrate the first mounting hole 221 and is movable along the first mounting hole 221. The first end of the link 23 has a limit table 231, the size of the limit table 231 is larger than that of the first mounting hole 221, specifically, the length of the widest cross section of the limit table 231 is larger than the diameter of the first mounting hole 221, whereby the limit table 231 is opposite to the end surface of the fixing block 22 to prevent the link 23 from being removed. The buffer structure comprises a first elastic piece 24, wherein the first elastic piece 24 is abutted between the contact piece 21 and the fixed block 22, so that a certain elastic supporting force is provided for the connecting rod 23 and the contact piece 21, and the buffer is carried out when the contact piece 21 is contacted with the screen. The first resilient member 24 may be a spring or other resilient element. Taking the first elastic member 24 as an example of a spring, during assembly, the first end of the connecting rod 23 may first pass through the first mounting hole 221, then the first elastic member 24 is sleeved on the first end of the connecting rod 23, and then the contact member 21 is connected with the connecting rod 23, so that the first elastic member 24 abuts between the contact member 21 and the fixed block 22. The buffer structure can be suitable for test heads with various different contact pieces 21, and preferably, the buffer structure can be applied to the test heads with the contact pieces 21 as the contact pieces 211, can provide buffer for the contact pieces 211, and meanwhile, can better ensure the linearity of the movement of the contact pieces 211, and avoid the contact pieces 211 from shaking circumferentially to influence the contact accuracy of the contact pieces 211 and the preset position of a screen.
Referring again to fig. 5, in some embodiments, the fixing block 22 has a second mounting hole 222 along the X-axis direction, the second mounting hole 222 is a blind hole, the buffer structure includes a second elastic member 25 and a limiting pin 26, the second end of the connecting rod 23 is disposed in the second mounting hole 222, and the second elastic member 25 is disposed between the bottom of the second mounting hole 222 and the second end of the connecting rod 23 (i.e., the end far from the contact member 21). The second mounting hole 222 has a bar-shaped hole 223 extending along the X-axis direction on a side wall thereof, and the limiting pin 26 is inserted into the bar-shaped hole 223 and fixedly connected with the connecting rod 23. Due to the restriction of the bar-shaped hole 223 and the stopper pin 26, the link 23 and the contact 21 can float within the length range of the bar-shaped hole 223 to be buffered after the contact 21 contacts the screen. Preferably, the buffer structure can be applied to a contact head with a roller 212, and compared with a contact 211 and other contact parts adopting an inserting mode, the roller 212 and the connecting rod 23 are more complex in dismounting process, and the buffer structure can be used for conveniently dismounting the test head.
Optionally, the screen testing device further comprises a product positioning device for fixing and positioning the product and the screen during the testing process, so as to avoid the screen from shifting during the testing process.
Further, the screen test device may further include a moving platform moving on a plane perpendicular to the X-axis. The mobile platform can drive the screen testing device to move integrally, so that the screen testing device can be positioned or moved among different stations.
Fig. 6 to 8 are schematic diagrams of a screen test device according to an embodiment of the present invention for performing different tests on a screen. The following describes the working procedure of the screen test device according to the embodiment of the present invention, taking several different test items performed on the screen 4 by the screen test device as an example, with reference to fig. 6 to 8:
referring to fig. 6, for example, a touch sensitivity test is performed on the screen 4, the driving system 3 drives the mount 1 to move so that one contact 211 moves over the screen 4 to be aligned with the screen 4. The X-axis moving mechanism 31 drives the contact 211 to move up and down, and clicks a certain point on the screen 4, for example, clicks an icon of a certain application program to check the interface switching speed, or inputs characters in the input method keyboard to check whether missing or not, so that the touch sensitivity of the screen 4 can be tested.
Referring to fig. 6 again, taking the example of the linearity test of the screen 4 as an example, the driving system 3 may also drive the mounting seat 1 to move so that one contact 211 contacts the screen 4, and then the Y-axis moving mechanism 32 drives the contact 211 to move across the screen 4 for testing. For example, the drawing application program is opened, and the driving system 3 is caused to drive the contact 211 to draw a predetermined graph on the screen 4, so as to check the handwriting condition of the screen 4, and thus judge whether the linearity function of the screen 4 is good.
Referring to fig. 6 again, taking the touch stability test for the screen 4 as an example, the driving system 3 drives the contact 211 to contact with the application icon displayed on the screen 4 and stay for a certain time (i.e. long press the application icon), then the contact 211 drags the application icon to other positions of the screen 4, and by checking whether the application icon is moved to a predetermined position, it can be determined whether the touch stability of the screen 4 is good.
Referring to fig. 7, taking the multi-touch performance test for the screen 4 as an example, the screen test device has two symmetrically arranged contacts 211, the y-axis moving mechanism 32 is a finger cylinder, and two fingers of the finger cylinder respectively drive a corresponding one of the contacts 211 to move. The driving system 3 drives the mounting seat 1 to move so that the two contacts 211 are moved to be in contact with the screen 4, and then the Y-axis moving mechanism 32 drives the two contacts 211 to move in opposite directions and in opposite directions, so that the two fingers of the analog person perform zooming-in or zooming-out operation on the picture displayed on the screen 4, and the multi-touch performance of the screen 4 can be detected.
Referring to fig. 8, taking the rolling test of the screen 4 as an example, the driving system 3 drives the mounting seat 1 to move, so that the two test heads 2 with the rollers 212 are converted to be opposite to the screen 4, the rollers 212 are contacted with the screen 4, and then the Y-axis moving mechanism 32 drives the two rollers 212 to reciprocate on the screen 4, rolling the screen 4, and testing the compression resistance of the screen 4.
Of course, the test items that the screen test device can perform are not limited to the above, and those skilled in the art can design the test items and the process according to actual needs, which is not limited too much in the embodiment of the present invention.
The screen testing device comprises a mounting seat, a plurality of testing heads and a driving system, wherein at least two of the plurality of testing heads are used for carrying out different tests on a screen, the plurality of testing heads are fixed on the mounting seat, the driving system is connected with the mounting seat, the driving system comprises an X-axis moving mechanism, a Y-axis moving mechanism and a rotating mechanism, the X-axis moving mechanism is used for driving the mounting seat and the testing heads to move along the X-axis direction, the Y-axis moving mechanism is used for moving along the Y-axis direction, the rotating mechanism is used for rotating and positioning the mounting seat, and the testing heads used for screen testing are changed. Therefore, the screen testing device provided by the embodiment of the invention can complete multiple different tests on the screen through one device, reduces the number of devices required by the screen test, reduces the occupied space, and effectively improves the screen testing efficiency.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, and various modifications and variations may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A screen testing apparatus, comprising:
a mounting base (1);
-a plurality of test heads (2) fixed to the mounting base (1), the test heads (2) being configured to be in contact with a screen (4) for testing, at least two of the plurality of test heads (2) being configured to perform different tests on the screen (4), the test heads (2) comprising contacts (21); and
the driving system (3) is connected with the mounting seat (1), and the driving system (3) comprises an X-axis moving mechanism (31) for driving the mounting seat (1) to move along the X-axis direction, a Y-axis moving mechanism (32) for driving the mounting seat (1) to move along the Y-axis direction and a rotating mechanism (33) for driving the mounting seat (1) to rotate around the Z-axis;
wherein the Y axis is perpendicular to the X axis, and the Z axis is perpendicular to both the X axis and the Y axis;
the rotating mechanism (33) is configured to drive the mounting seat (1) to rotate and position so as to change the testing head (2) for screen testing;
the contact (21) of at least one test head (2) of the plurality of test heads (2) is a contact (211), the drive system (3) being configured to drive the contact (211) to click and/or swipe the screen (4);
the contact (21) of at least one test head (2) of the plurality of test heads (2) is a roller (212), the drive system (3) being configured to drive the roller (212) to apply a predetermined pressure to the screen (4) and to drive the roller (212) to move over the screen (4) to roll the screen (4).
2. The screen test device according to claim 1, wherein the Y-axis moving mechanism (32) is a finger cylinder, the finger cylinder comprises two clamping fingers (321), each clamping finger (321) is correspondingly provided with a mounting seat (1) and a group of the plurality of test heads (2), and the mounting seat (1) is fixedly connected with the corresponding clamping finger (321).
3. Screen test device according to claim 1, characterized in that the test head (2) further comprises a buffer structure configured to buffer the contacts (21).
4. A screen testing device according to claim 3, wherein the testing head (2) further comprises a fixed block (22) and a connecting rod (23), the fixed block (22) is fixedly connected with the mounting seat (1), the connecting rod (23) is movably arranged on the fixed block (22) along the X-axis direction, the connecting rod (23) has a first end and a second end far away from the first end, and the contact piece (21) is mounted on the first end of the connecting rod (23).
5. The screen test device according to claim 4, wherein the fixing block (22) is provided with a first mounting hole (221) penetrating along the X-axis direction, the connecting rod (23) is arranged in the first mounting hole (221) in a penetrating manner, the second end of the connecting rod (23) is provided with a limiting table (231), the size of the limiting table (231) is larger than that of the first mounting hole (221), the buffer structure comprises a first elastic piece (24), and the first elastic piece (24) is abutted between the contact piece (21) and the fixing block (22).
6. The screen test device according to claim 4, wherein the fixing block (22) is provided with a second mounting hole (222) along the X-axis direction, the second mounting hole (222) is a blind hole, a strip-shaped hole (223) extending along the X-axis direction is formed in the side wall of the second mounting hole (222), the buffer structure comprises a second elastic piece (25) and a limiting pin (26), the second end of the connecting rod (23) is arranged in the second mounting hole (222), the second elastic piece (25) is arranged between the bottom of the second mounting hole (222) and the second end of the connecting rod (23), and the limiting pin (26) is arranged in the strip-shaped hole (223) in a penetrating mode and is fixedly connected with the connecting rod (23).
7. The screen testing device according to claim 1, wherein the drive system (3) further comprises a rotation limiting mechanism (34), the rotation limiting mechanism (34) being configured to limit the angle of rotation of the rotation mechanism (33).
8. Screen test device according to claim 1, characterized in that the Y-axis movement mechanism (32) is connected to the mount (1);
the output end of the X-axis moving mechanism (31) is connected with the rotating mechanism (33), and the output end of the rotating mechanism (33) is connected with the Y-axis moving mechanism (32); or,
the output end of the rotating mechanism (33) is connected with the X-axis moving mechanism (31), and the output end of the X-axis moving mechanism (31) is connected with the Y-axis moving mechanism (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011306361.0A CN112698122B (en) | 2020-11-19 | 2020-11-19 | Screen testing device |
Applications Claiming Priority (1)
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| CN113687178B (en) * | 2021-10-26 | 2022-02-08 | 山东建荣教学设备有限公司 | Eye-protecting carbon crystal screen multi-contact positioning testing device |
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