CN212159951U - High-precision measuring device for parameters of touch screen - Google Patents
High-precision measuring device for parameters of touch screen Download PDFInfo
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- CN212159951U CN212159951U CN201922180002.4U CN201922180002U CN212159951U CN 212159951 U CN212159951 U CN 212159951U CN 201922180002 U CN201922180002 U CN 201922180002U CN 212159951 U CN212159951 U CN 212159951U
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Abstract
The utility model discloses a high accuracy measuring device of touch-sensitive screen parameter, including a platen, still do X axial and Y axial motion's motion module mechanism including driving the touch-sensitive pen head, control contact lift and rotatory touch-sensitive pen head actuating mechanism, be used for catching the vision positioning mechanism who fixes the secondary pixel point in order to acquire accurate positional information at the touch-sensitive screen that awaits measuring, can drip the sweat of sweat liquid measure in order to reach the sweat instillation mechanism of operation touch-sensitive screen equipment under the simulation people hand condition of perspiring, a product fixture and two sets of touch-sensitive pen head replacement mechanism for the centre gripping product. The utility model discloses a high accuracy measuring device adopts the mechatronic mode, user operation under the environment such as true temperature of simulation, humidity, sweat to being close the visual angle of artificial use completely and carrying out the special test to terminal equipment's touch-sensitive screen, discovering the latent problem on the touch-sensitive screen quality, promoting test work's efficiency shortens valuable test cycle greatly for the user.
Description
Technical Field
The utility model relates to an automatic test field, specific saying so relates to a high accuracy measurement device of touch-sensitive screen parameter.
Background
With the continuous advance of automobiles into thousands of households and the continuous deepening of intelligentization trend, the performance experience of the touch screen becomes the focus of the dispute and attention of users. However, because the version iteration speed is high, the number of models is large, and the testing work is heavy, the lack of objectivity in manual testing is a major problem faced by manufacturers at present, and therefore, the introduction of automatic testing is imperative.
For the conventional tools for realizing the automatic test in the form of software, almost all events such as click actions are directly sent to the tested equipment, the operation system directly initiates the click operations in the software after receiving the events, the process of identifying the user actions by the touch screen chip is omitted, so that the problems of the touch screen cannot be found in the case of the automatic test of the software, the robot mode just fills the blank, the terminal equipment is tested in the scene completely close to the user operations, the test result is closest to the actual use scene of the user, and the test result can objectively reflect the quality of the tested equipment.
SUMMERY OF THE UTILITY MODEL
To the not enough among the prior art, the to-be-solved technical problem of the utility model lies in providing a high accuracy measuring device of touch-sensitive screen parameter. This high accuracy measuring device adopts mechatronic mode, user operation under the environment such as simulation true temperature, humidity, sweat to being close artificially visual angle of use completely carries out the special test to terminal equipment's touch-sensitive screen, discovers the potential problem on the touch-sensitive screen quality, promotes test work's efficiency, shortens valuable test cycle greatly for the user.
In order to solve the technical problem, the utility model discloses a following scheme realizes: the utility model discloses a high accuracy measuring device of touch-sensitive screen parameter, including a platen, still include:
the motion module mechanism is fixed on the bedplate and comprises a double-track Y-axis driving mechanism and a single-track X-axis driving mechanism, the double-track Y-axis driving mechanism is fixedly arranged on two parallel supporting frames, the X-axis driving mechanism is erected between two Y-axis moving parts on the double-track Y-axis driving mechanism, the two Y-axis moving parts are connected with a Y-axis power source and driven by the Y-axis power source to move in the Y-axis direction, and one end of the X-axis driving mechanism is provided with an X-axis power source to drive the X-axis moving part on the X-axis driving mechanism to move in the X-axis direction;
the touch pen head executing mechanism is laterally fixed on the X-axis moving part, and is provided with a Z-axis driving mechanism, a Z-axis moving part driven by the Z-axis driving mechanism to do lifting motion, a theta-axis rotating mechanism arranged on the Z-axis moving part, a theta-axis rotating part driven by the theta-axis rotating mechanism to do rotating motion, and a touch pen head which is fixed on the theta-axis rotating part and is used for contacting the surface of the touch screen to be tested so as to perform clicking and sliding operations;
the visual positioning mechanism is used for capturing a secondary pixel point fixed on the touch screen to be detected to obtain accurate position information, the visual positioning mechanism is arranged on one side of the Z-axis moving part through a connecting block side, and the connection between the visual positioning mechanism and the connecting block is a detachable structure;
the sweat instillation mechanism can accurately control the amount of instilled sweat so as to operate the touch screen device under the condition of simulating the sweating of a hand of a person, the sweat instillation mechanism is arranged on the other side of the Z-axis moving part through a connecting block, the angle of the sweat instillation mechanism is fixed in an inclined mode, and the liquid outlet part of the sweat instillation mechanism points to the end part of the touch pen point;
the product clamping mechanism is fixed on the bedplate and is arranged in the area of the moving tracks of the Y-axis driving mechanism of the double track and the X-axis driving mechanism of the single track;
and the two groups of stylus head replacement mechanisms are fixed on the table plate and are arranged in the area of the moving track of the Y-axis driving mechanism of the double track and the X-axis driving mechanism of the single track.
Furthermore, Y-axis screw rods are arranged on the two support frames, Y-axis moving parts are screwed on the Y-axis screw rods, a motor is used as a Y-axis power source, and the motor drives the Y-axis screw rods to drive the Y-axis moving parts to move in the Y-axis direction.
Furthermore, an X-axis power source on the X-axis driving mechanism is a motor, the motor drives an X-axis lead screw to drive an X-axis moving part to move in the X-axis direction, and the X-axis moving part is laterally connected to the X-axis housing in a sliding mode.
Furthermore, a Z-axis power source of the Z-axis driving mechanism is a motor, the Z-axis power source is fixed at the top of the motor base, a driving end of the Z-axis power source is connected with a Z-axis screw rod, the Z-axis screw rod is in threaded connection with a sliding plate, and the outer side of the sliding plate is connected with and fixed with the Z-axis moving part.
Further, the θ -axis rotating mechanism includes:
a rotary motor laterally fixed to the Z-axis moving part, the rotary motor having a driving end directed to a front side;
the connection is in the rotating part of rotating electrical machines drive end, this rotating part is rotatory in vertical plane, and its lower extreme is even contact pen head spliced pole, contact pen head spliced pole lower extreme is connected with the pressure sensor of real-time feedback contact pen head pressure, the pressure sensor lower extreme is even contact pen head.
Further, the product holding mechanism includes:
a clamping seat body which is enclosed into a square structure;
the two guide rails are arranged on the clamping seat body, are parallel to the X-axis driving mechanism, are both connected with two sliding blocks which can synchronously reach two ends of the guide rails in a sliding manner, the upper plate surface of each sliding block is provided with a first knob, and the lower end of each first knob is connected with a first bevel gear;
the four clamping columns are respectively and laterally fixedly connected to each sliding block, a screw rod is arranged in each clamping column, a groove is formed in one side of each clamping column, a supporting block used for bearing the touch screen is arranged at the groove, the supporting block is in threaded connection with the screw rod and can move up and down along the groove, the upper end of the screw rod is connected with a second bevel gear meshed with the first bevel gear, and the first knob can control the lifting of the supporting block;
and the second knob mechanism can synchronously drive the two sliding blocks on the guide rail to move oppositely or oppositely.
Further, the second knob mechanism includes:
the second knob is arranged on an X-axis seat body parallel to the X-axis driving mechanism, the lower end of the second knob is connected with a third bevel gear, two first screw rods symmetrical with the third bevel gear are arranged inside the X-axis seat body, and the two ends of each of the two first screw rods are provided with fourth bevel gears;
the two Y-axis lead screws are fixed on the Y-axis seat body, fifth bevel gears are arranged at the two ends of each Y-axis lead screw, and the fifth bevel gear at one end is meshed with the fourth bevel gear at the outer end of the first lead screw;
and the two second screw rods are fixed on the other X-axis seat body in the same axial direction, the opposite ends of the two second screw rods are fixed in the opposite axial direction, the opposite ends of the two second screw rods are provided with sixth bevel gears, the sixth bevel gears are meshed with the nearest fifth bevel gears, the two second screw rods are both in threaded connection with second screw blocks, and the second screw blocks are fixedly connected with the nearest sliding blocks.
Further, the visual positioning mechanism is a CCD visual detector.
Further, the stylus head changing mechanism includes:
a base;
fix the tablet that just is used for responding to the stylus head and is close the state in base upper end, one side of tablet is provided with a plurality of stylus head standing grooves that are used for placing different specification stylus heads.
Furthermore, the induction plate is a Hall induction plate.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses high accuracy measuring device adopts the mechatronic mode, user operation under the environment such as true temperature of simulation, humidity, sweat to being close the visual angle of artificial use completely and carrying out the special item test to terminal equipment's touch-sensitive screen, discovering the latent problem on the touch-sensitive screen quality, promoting test work's efficiency shortens valuable test cycle greatly for the firm. The utility model discloses be provided with two kinds of knobs on the product fixture, one of them knob is adjusted equipment under test's level, and the width of clamping part is adjusted to another knob.
The visual positioning mechanism is used for capturing secondary pixel points of the touch screen to be detected so as to acquire accurate position information.
And the motion module mechanism receives connection, initialization and various robot action instructions sent by the system controller. The touch pen head executing mechanism is connected to the motion module mechanism, clicking or sliding operation is conducted in the horizontal direction and the vertical direction, and the electric rotary table on the touch pen head executing mechanism can enable the touch pen head to rotate according to a certain angle, so that the touch pen head is suitable for operation of a curved screen. The touch pen head can sense the touch pen in a certain range through the Hall sensor on the automatic touch pen head replacement mechanism, and touch pen heads with different sizes and specifications can be automatically replaced to meet the requirements of different test scenes. The sweat instillation mechanism can accurately control the instillation amount of the sweat, and the touch screen device can be operated under the condition that the hands of a person sweat.
Drawings
Fig. 1 is the whole structure diagram of the high-precision measuring device for touch screen parameters of the present invention.
Fig. 2 is a schematic view of the installation structure of the stylus tip actuator and the sweat instillation mechanism of the present invention.
Fig. 3 is a schematic view of the mounting structure of the sweat instillation mechanism of the present invention.
Fig. 4 is a schematic structural view of the product clamping mechanism of the present invention.
Fig. 5 is a schematic structural view of the automatic stylus tip replacing mechanism of the present invention.
Fig. 6 is a partially enlarged view of fig. 4.
Fig. 7 is another partial enlarged view of fig. 4.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making more clear and definite definitions of the protection scope of the present invention. It is obvious that the described embodiments of the invention are only some of the embodiments of the invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example 1: the utility model discloses a concrete structure as follows:
referring to fig. 1-7, a high precision touch screen parameter measuring apparatus includes a platen 100, and further includes:
the motion module mechanism 2 is fixed on the bedplate 100 and comprises a double-track Y-axis driving mechanism and a single-track X-axis driving mechanism, the double-track Y-axis driving mechanism is fixedly arranged on two parallel supporting frames 101, the X-axis driving mechanism is erected between two Y-axis moving parts on the double-track Y-axis driving mechanism, the two Y-axis moving parts are connected with a Y-axis power source 102 and driven by the Y-axis power source 102 to move in the Y-axis direction, and one end of the X-axis driving mechanism is provided with an X-axis power source to drive the X-axis moving part on the X-axis driving mechanism to move in the X-axis direction;
a stylus head executing mechanism 4, laterally fixed on the X-axis moving part, and provided with a Z-axis driving mechanism, a Z-axis moving part 402 driven by the Z-axis driving mechanism to move up and down, a θ -axis rotating mechanism 408 arranged on the Z-axis moving part 402, a θ -axis rotating part driven by the θ -axis rotating mechanism 408 to rotate, and a stylus head 407 fixed on the θ -axis rotating part and used for touching the surface of the touch screen to be tested to perform clicking and sliding operations;
the visual positioning mechanism 1 is used for capturing a secondary pixel point fixed on the touch screen to be detected to obtain accurate position information, the visual positioning mechanism 1 is arranged on one side of the Z-axis moving part 402 through a connecting block side, and the connection between the visual positioning mechanism 1 and the connecting block is a detachable structure;
a sweat instilling mechanism 406 capable of accurately controlling the amount of instilled sweat to achieve the purpose of operating the touch screen device under the condition of simulating the sweating of a human hand, wherein the sweat instilling mechanism 406 is arranged on the other side of the Z-axis moving part 402 through a connecting block, the angle of the sweat instilling mechanism 406 is fixed in an inclined manner, and the liquid outlet part of the sweat instilling mechanism points to the end part of the touch pen point 407;
the product clamping mechanism 5 is used for clamping a product, is fixed on the bedplate 100 and is arranged in the area of the running track of the Y-axis driving mechanism of the double track and the X-axis driving mechanism of the single track;
and the two groups of stylus head replacement mechanisms 3 are fixed on the table board 100 and are arranged in the area of the moving track of the double-track Y-axis driving mechanism and the single-track X-axis driving mechanism.
A preferred technical solution of this embodiment: the two support frames 101 are respectively provided with a Y-axis screw rod, a Y-axis moving part is screwed on the Y-axis screw rods, the Y-axis power source 102 is a motor, and the motor drives the Y-axis screw rods to drive the Y-axis moving part to move in the Y-axis direction.
A preferred technical solution of this embodiment: the X-axis power source on the X-axis driving mechanism is a motor, the motor drives the X-axis lead screw to drive the X-axis moving part to move in the X-axis direction, and the X-axis moving part is laterally connected to the X-axis housing in a sliding manner.
A preferred technical solution of this embodiment: the Z-axis power source 410 of the Z-axis driving mechanism is a motor, the Z-axis power source 410 is fixed at the top of a motor base, the driving end of the Z-axis power source 410 is connected with a Z-axis screw rod, the Z-axis screw rod is in threaded connection with a sliding plate 401, and the outer side of the sliding plate 401 is connected with and fixed with the Z-axis moving part 402.
A preferred technical solution of this embodiment: the θ -axis rotating mechanism 408 includes:
a rotary motor laterally fixed to the Z-axis moving portion 402, the rotary motor driving end being directed to the front side;
the connection is in the rotating part of rotating electrical machines drive end, this rotating part is rotatory in vertical plane, and its lower extreme is continuous contact pen head spliced pole, contact pen head spliced pole lower extreme is connected with the pressure sensor 409 of real-time feedback contact pen head pressure, pressure sensor 409 lower extreme is continuous contact pen head 407.
A preferred technical solution of this embodiment: the product holding mechanism 5 includes:
a clamping seat body which is enclosed into a square structure;
the two guide rails are arranged on the clamping seat body, the two guide rails are parallel to the X-axis driving mechanism, two sliding blocks which can synchronously reach two ends of the guide rails are connected onto the two guide rails in a sliding mode, a first knob 11 is arranged on the upper plate surface of each sliding block, and the lower end of each first knob 11 is connected with a first bevel gear;
four clamping columns 13, each of which is laterally and fixedly connected to each sliding block, a screw rod is arranged in each clamping column 13, a groove is formed in one side of each clamping column 13, a supporting block 112 for bearing a touch screen is arranged at the groove, the supporting block 112 is screwed on the screw rod and can move up and down along the groove, a second bevel gear meshed with the first bevel gear is connected to the upper end of the screw rod, and the first knob 11 can control the lifting of the supporting block 112;
and a second knob mechanism 12 which can synchronously drive the two sliding blocks on the guide rail to move towards or away from each other.
A preferred technical solution of this embodiment: the second knob mechanism 12 includes:
a second knob 121, which is arranged on an X-axis seat body parallel to the X-axis driving mechanism, and the lower end of which is connected with a third bevel gear 122, two first lead screws symmetrical with the third bevel gear 122 are installed inside the X-axis seat body, and both ends of the two first lead screws are provided with fourth bevel gears 123, wherein, the two fourth bevel gears 123 close to the third bevel gear 122 are both engaged with the third bevel gear 122, the two first lead screws are respectively screwed with a first screw block 111, and the first screw block 111 is fixedly connected with the nearest slide block;
the two Y-axis lead screws are fixed on the Y-axis seat body, fifth bevel gears are arranged at the two ends of each Y-axis lead screw, and the fifth bevel gear at one end is meshed with the fourth bevel gear at the outer end of the first lead screw;
and the two second screw rods are fixed on the other X-axis seat body in the same axial direction, the opposite ends of the two second screw rods are fixed in the opposite axial direction, the opposite ends of the two second screw rods are provided with sixth bevel gears, the sixth bevel gears are meshed with the nearest fifth bevel gears, the two second screw rods are both in threaded connection with second screw blocks, and the second screw blocks are fixedly connected with the nearest sliding blocks.
A preferred technical solution of this embodiment: the vision positioning mechanism 1 is a CCD vision detector.
A preferred technical solution of this embodiment: the stylus head changing mechanism 3 includes:
a base 315;
the induction board 314 is fixed on the upper end of the base 315 and used for inducing the approaching state of the stylus head, and one side of the induction board 314 is provided with a plurality of stylus head placing grooves 313 for placing the stylus heads with different specifications.
A preferred technical solution of this embodiment: the sensing plate 314 is a hall sensing plate.
Example 2:
the product clamping mechanism 5 is provided with two knobs, wherein one knob is a first knob arranged on the sliding block, the horizontal height of the clamping column can be adjusted by the first knob, and the other knob is a second knob which can synchronously adjust two sliding rails on the guide rail to do opposite and opposite actions. The utility model discloses a vision positioning mechanism adopts industry camera device to catch the secondary pixel point of the touch screen that awaits measuring in order to acquire accurate positional information, through processing techniques such as coordinate mapping, converts the image coordinate system into the physical coordinate system and provides system controller supplies motion module mechanism 2 uses. After the positioning is completed, the visual positioning mechanism 1 can be detached. The motion module mechanism 2 receives connection, initialization and various robot action instructions sent by the system controller, and controls the touch pen head execution mechanism 4 to horizontally move at different positions to reach the position above a measured point of the touch screen device. The touch pen head executing mechanism 4 is connected to the motion module mechanism, and can perform vertical clicking or sliding operation when reaching a measured point, and the rotating mechanism on the touch pen head executing mechanism can enable the touch pen head to rotate according to a certain angle so as to adapt to the operation of the curved touch screen. When testing different application scene use cases, the touch pen head on the touch pen head executing mechanism 4 can be sensed in a certain range through the Hall sensor on the touch pen head replacing mechanism 3, and touch pen heads with different sizes and specifications can be automatically replaced to meet the requirements of different testing scenes.
As shown in fig. 3, the touch pen head actuator 4 of the high precision measurement device for touch screen parameters of the present invention is shown. The motor provides power for the motor. The sweat dripping mechanism 6 on the stylus head executing mechanism 4 is of a detachable structure, the sweat quantity can be controlled quantitatively, and the simulated sweat dripping mechanism is installed and fixed when a simulated sweat test is needed. The touch pen head 407 is used for touching the surface of the touch screen device to be tested to perform clicking and sliding operations. When the device to be tested is a curved screen, the θ -axis rotating mechanism 408 adjusts the angle between the stylus head and the screen to be tested in real time according to the curvature of the curved screen, so that the stylus head and the screen to be tested are kept perpendicular. The pressure sensor 409 feeds back the pressure of the stylus head in real time, and the accuracy of force control is guaranteed.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.
Claims (10)
1. A high accuracy touch screen parameter measurement device comprising a platen (100), and further comprising:
the motion module mechanism (2) is fixed on the bedplate (100) and comprises a double-track Y-axis driving mechanism and a single-track X-axis driving mechanism, the double-track Y-axis driving mechanism is fixedly arranged on two parallel supporting frames (101), the X-axis driving mechanism is erected between two Y-axis moving parts on the double-track Y-axis driving mechanism, the two Y-axis moving parts are connected with a Y-axis power source (102) and driven by the Y-axis power source (102) to move in the Y axial direction, and one end of the X-axis driving mechanism is provided with an X-axis power source to drive the X-axis moving part on the X-axis driving mechanism to move in the X axial direction;
the touch pen head executing mechanism (4) is laterally fixed on the X-axis moving part, and is provided with a Z-axis driving mechanism, a Z-axis moving part (402) driven by the Z-axis driving mechanism to do lifting motion, a theta-axis rotating mechanism (408) arranged on the Z-axis moving part (402), a theta-axis rotating part driven by the theta-axis rotating mechanism (408) to do rotating motion, and a touch pen head (407) which is fixed on the theta-axis rotating part and is used for contacting the surface of the touch screen to be tested to do clicking and sliding operations;
the visual positioning mechanism (1) is used for capturing a secondary pixel point fixed on the touch screen to be detected to obtain accurate position information, the visual positioning mechanism (1) is arranged on one side of the Z-axis moving part (402) through a connecting block side, and the connection between the visual positioning mechanism (1) and the connecting block is a detachable structure;
a sweat instillation mechanism (406) capable of accurately controlling the amount of instilled sweat so as to achieve the purpose of operating the touch screen device under the condition of simulating the sweating of a hand of a person, wherein the sweat instillation mechanism (406) is arranged on the other side of the Z-axis moving part (402) through a connecting block side, the angle of the sweat instillation mechanism is fixed in an inclined mode, and the liquid outlet part of the sweat instillation mechanism points to the end part of the stylus head (407);
the product clamping mechanism (5) is used for clamping a product, is fixed on the bedplate (100) and is arranged in the area of the moving track of the Y-axis driving mechanism of the double track and the X-axis driving mechanism of the single track;
and the two groups of stylus head replacement mechanisms (3) are fixed on the table board (100) and are arranged in the area of the moving track of the Y-axis driving mechanism of the double track and the X-axis driving mechanism of the single track.
2. The device for measuring parameters of the touch screen with high precision as claimed in claim 1, wherein: y-axis screw rods are arranged on the two supporting frames (101), Y-axis moving parts are screwed on the Y-axis screw rods, a Y-axis power source (102) is a motor, and the motor drives the Y-axis screw rods to drive the Y-axis moving parts to move in the Y-axis direction.
3. The device for measuring parameters of the touch screen with high precision as claimed in claim 1, wherein: the X-axis power source on the X-axis driving mechanism is a motor, the motor drives the X-axis lead screw to drive the X-axis moving part to move in the X-axis direction, and the X-axis moving part is laterally connected to the X-axis housing in a sliding manner.
4. The device for measuring parameters of the touch screen with high precision as claimed in claim 1, wherein: the Z-axis power source (410) of the Z-axis driving mechanism is a motor, the Z-axis power source (410) is fixed to the top of a motor base, the driving end of the Z-axis power source is connected with a Z-axis screw rod, the Z-axis screw rod is connected with a sliding plate (401) in a threaded mode, and the outer side of the sliding plate (401) is connected with and fixed to a Z-axis moving portion (402).
5. The device for measuring parameters of the touch screen with high precision as claimed in claim 1, wherein: the θ -axis rotating mechanism (408) includes:
a rotary motor laterally fixed to the Z-axis moving section (402), the rotary motor having a drive end facing the front side;
connect and be in the rotating part of rotating electrical machines drive end, this rotating part is rotatory in vertical plane, and its lower extreme is continuous contact pen head spliced pole, contact pen head spliced pole lower extreme is connected with pressure sensor (409) of real-time feedback contact pen head pressure, pressure sensor (409) lower extreme is continuous contact pen head (407).
6. The device for measuring parameters of the touch screen with high precision as claimed in claim 1, wherein: the product holding mechanism (5) comprises:
a clamping seat body which is enclosed into a square structure;
the two guide rails are arranged on the clamping base body, the two guide rails are parallel to the X-axis driving mechanism, two sliding blocks capable of synchronously reaching two ends of the guide rails are connected onto the two guide rails in a sliding mode, a first knob (11) is arranged on the upper plate surface of each sliding block, and the lower end of each first knob (11) is connected with a first bevel gear;
the four clamping columns (13) are respectively and laterally fixedly connected to the sliding blocks, a screw rod is arranged in each clamping column (13), a groove is formed in one side of each clamping column, a supporting block (112) used for bearing a touch screen is arranged at the groove, the supporting block (112) is in threaded connection with the screw rod and can move up and down along the groove, the upper end of the screw rod is connected with a second bevel gear meshed with the first bevel gear, and the first knob (11) can control the lifting of the supporting block (112);
and a second knob mechanism (12) which can synchronously drive the two sliding blocks on the guide rail to move towards or away from each other.
7. The device for measuring parameters of the touch screen with high precision as claimed in claim 6, wherein: the second knob mechanism (12) includes:
the second knob (121) is arranged on an X-axis seat body parallel to the X-axis driving mechanism, the lower end of the second knob is connected with a third bevel gear (122), two first lead screws symmetrical with the third bevel gear (122) are arranged inside the X-axis seat body, the two ends of each first lead screw are provided with fourth bevel gears (123), wherein the two fourth bevel gears (123) close to the third bevel gears (122) are meshed with the third bevel gears (122), the two first lead screws are respectively in threaded connection with first screw blocks (111), and the first screw blocks (111) are fixedly connected with the nearest sliding blocks;
the two Y-axis lead screws are fixed on the Y-axis seat body, fifth bevel gears are arranged at the two ends of each Y-axis lead screw, and the fifth bevel gear at one end is meshed with the fourth bevel gear at the outer end of the first lead screw;
and the two second screw rods are fixed on the other X-axis seat body in the same axial direction, the opposite ends of the two second screw rods are fixed in the opposite axial direction, the opposite ends of the two second screw rods are provided with sixth bevel gears, the sixth bevel gears are meshed with the nearest fifth bevel gears, the two second screw rods are both in threaded connection with second screw blocks, and the second screw blocks are fixedly connected with the nearest sliding blocks.
8. The device for measuring parameters of the touch screen with high precision as claimed in claim 1, wherein: the visual positioning mechanism (1) is a CCD visual detector.
9. The device for measuring parameters of the touch screen with high precision as claimed in claim 1, wherein: the stylus head changing mechanism (3) includes:
a base (315);
the induction plate (314) is fixed at the upper end of the base (315) and used for inducing the approach state of the stylus head, and one side of the induction plate (314) is provided with a plurality of stylus head placing grooves (313) used for placing stylus heads with different specifications.
10. The device for measuring parameters of the touch screen with high precision as claimed in claim 9, wherein: the induction plate (314) is a Hall induction plate.
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| CN201922180002.4U CN212159951U (en) | 2019-12-09 | 2019-12-09 | High-precision measuring device for parameters of touch screen |
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| CN201922180002.4U CN212159951U (en) | 2019-12-09 | 2019-12-09 | High-precision measuring device for parameters of touch screen |
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| CN113407398A (en) * | 2021-06-11 | 2021-09-17 | 展讯通信（上海）有限公司 | Touch screen detection robot, detection method, device and medium |
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| CN113433403A (en) * | 2021-06-03 | 2021-09-24 | 厦门特仪科技有限公司 | Touch screen testing device and testing system |
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