CN116625831A - Capacitive touch screen compression-resistant detection equipment - Google Patents
Capacitive touch screen compression-resistant detection equipment Download PDFInfo
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- CN116625831A CN116625831A CN202310921462.6A CN202310921462A CN116625831A CN 116625831 A CN116625831 A CN 116625831A CN 202310921462 A CN202310921462 A CN 202310921462A CN 116625831 A CN116625831 A CN 116625831A
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- 238000012360 testing method Methods 0.000 claims abstract description 18
- 238000012669 compression test Methods 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 11
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
- G01N3/307—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated by a compressed or tensile-stressed spring; generated by pneumatic or hydraulic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
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Abstract
The application relates to the technical field of screen compression detection, and discloses compression detection equipment for a capacitive touch screen, which comprises an installation unit; the compression testing unit is arranged on the mounting unit and comprises a shell arranged in the fixed cylinder, an impact assembly arranged in the shell and a pressure adjusting assembly arranged in the shell; and the screen fixing unit comprises a screen clamping assembly, a connecting assembly and an angle adjusting assembly. This capacitive touch screen resistance to compression check out test set, the size through resistance to compression test unit test screen resistance to compression, through screen fixed unit change screen inclination, be used for testing the resistance to compression effect of screen under the different angles.
Description
Technical Field
The application relates to the technical field of screen pressure testing, in particular to a capacitive touch screen compression-resistant detection device.
Background
The capacitive touch screen is a common man-machine interaction interface and is commonly used in the fields of smart phones, tablet computers, industrial control and the like. However, in some special applications, such as operation panels of industrial production equipment and touch screens of medical instruments, users may apply excessive pressure or be bumped by hard objects, resulting in breakage or damage of the touch screen; the pressure detection of the capacitive touch screen in the prior art is tested in a horizontal state, and the impact from multiple angles possibly received by the screen is not considered, so that a reliable, accurate and multi-angle capacitive touch screen pressure-resistant detection device is needed to monitor and evaluate the pressure condition.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the application and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the application and in the title of the application, which may not be used to limit the scope of the application.
The application is provided in view of the problem that the pressure resistance of the multi-angle detection screen is not considered in the conventional capacitive touch screen pressure resistance detection equipment.
Therefore, the application aims to provide a capacitive touch screen compression-resistant detection device, which aims to: the capacitive touch screen compression-resistant detection device is reliable, accurate and multi-angle, and is used for monitoring and evaluating pressure conditions.
In order to solve the technical problems, the application provides the following technical scheme:
a capacitive touch screen compression-resistant detection device comprises,
the mounting unit comprises a base, a fixing frame arranged on the base and a fixing cylinder arranged on the fixing frame; the method is characterized in that: the installation unit is provided with a compression test unit, and a screen fixing unit is arranged below the compression test unit;
the compression resistance testing unit comprises a shell arranged in the fixed cylinder, an impact assembly arranged in the shell and a pressure adjusting assembly arranged in the shell;
the screen fixing unit comprises a semicircular column table arranged on the base, a workbench arranged on the semicircular column table, a screen clamping assembly arranged on the workbench, a connecting assembly arranged between the workbench and the semicircular column table and an angle adjusting assembly arranged between the workbench and the semicircular column table.
As a preferable scheme of the capacitive touch screen compression-resistant detection device, the capacitive touch screen compression-resistant detection device comprises the following components: the impact assembly comprises an upper chamber and a lower chamber which are arranged in the shell, and the upper chamber and the lower chamber are communicated; the device also comprises an impact spring arranged in the upper chamber, an impact block arranged in the upper chamber, and a cylindrical cavity arranged on the impact block; the impact head is disposed in the lower chamber, a conductive rod disposed in the lower chamber, a return spring disposed on the conductive rod, and a biasing element disposed within the housing.
As a preferable scheme of the capacitive touch screen compression-resistant detection device, the capacitive touch screen compression-resistant detection device comprises the following components: the conducting rod comprises a narrow section of the conducting rod, and the diameter of the narrow section is smaller than that of the cylindrical cavity; the device also comprises a conical section arranged at the lower side of the narrow section, and a conical cavity is arranged at the top of the lower cavity and has the same taper as the conical section; the circular arc bottom is arranged at the lower side of the coarse section.
As a preferable scheme of the capacitive touch screen compression-resistant detection device, the capacitive touch screen compression-resistant detection device comprises the following components: the offset element comprises an offset cavity arranged on the arc bottom, a cylindrical rod arranged on the offset cavity, a push block arranged on the cylindrical rod, a spring cavity arranged on the shell and an offset spring arranged between the push block and the spring cavity.
As a preferable scheme of the capacitive touch screen compression-resistant detection device, the capacitive touch screen compression-resistant detection device comprises the following components: the upper end face of the impact head is provided with an offset groove, and the arc bottom slides left and right in the offset groove.
As a preferable scheme of the capacitive touch screen compression-resistant detection device, the capacitive touch screen compression-resistant detection device comprises the following components: the pressure adjusting assembly comprises an adjusting table arranged in the upper cavity and a spiral hole arranged in the adjusting table, and the impact spring penetrates through the spiral hole; still including setting up the first tooth limit on the adjustment table, setting up the adjusting ring on the shell, setting up the second tooth limit on the adjusting ring, and first tooth limit and second tooth limit pass through gear connection.
As a preferable scheme of the capacitive touch screen compression-resistant detection device, the capacitive touch screen compression-resistant detection device comprises the following components: the screen clamping assembly comprises a dovetail groove arranged on the workbench, a clamping rod arranged in the dovetail groove and a fixing bolt arranged on the clamping rod.
As a preferable scheme of the capacitive touch screen compression-resistant detection device, the capacitive touch screen compression-resistant detection device comprises the following components: the connecting component comprises a semicircular frame arranged on the semicircular column table and a semicircular groove arranged on the workbench, and the semicircular groove is matched with the semicircular frame; still including setting up notch on the semicircle frame, setting up the staple in the notch, and the staple is connected with the workstation and sets up the fixed spring on the staple.
As a preferable scheme of the capacitive touch screen compression-resistant detection device, the capacitive touch screen compression-resistant detection device comprises the following components: the angle adjusting assembly comprises a turbine arranged on the semi-cylindrical platform and a worm arranged on the workbench, and the turbine is matched with the worm.
As a preferable scheme of the capacitive touch screen compression-resistant detection device, the capacitive touch screen compression-resistant detection device comprises the following components: the surface of the adjusting ring is provided with vertical flutes.
The application has the beneficial effects that: the screen to be tested is fixed on the workbench through the clamping component, so that the movement of the screen during detection is avoided; the screen to be tested is inclined by a certain angle through the angle adjusting component to carry out pressure detection,
the singleness of detection under the horizontal condition is avoided, so that the pressure detection is more close to the daily use environment, and the data result is more abundant and has reference significance; the pressure-resistant impact detection is carried out through the downward pressure testing unit, the detection process is simple, the standards are consistent, the height can be increased repeatedly, and the labor cost is saved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
fig. 1 is a schematic diagram of the overall structure of the capacitive touch screen compression-resistant detection device of the present application.
Fig. 2 is a cross-sectional view of the capacitive touch screen compression detection apparatus of the present application.
Fig. 3 is a schematic diagram of the position of a conductive rod of the capacitive touch screen compression detection device of the present application.
Fig. 4 is a schematic structural diagram of an offset element of the capacitive touch screen compression-resistant detection device of the present application.
Fig. 5 is a schematic diagram of an impact head structure of the capacitive touch screen compression-resistant detection device of the present application.
Fig. 6 is a schematic diagram of a pressure adjusting assembly of the capacitive touch screen compression-resistant detection device according to the present application.
Fig. 7 is a schematic structural diagram of a pressure adjusting component of the capacitive touch screen compression-resistant detection device.
Fig. 8 is a schematic diagram of the internal structure of a pressure adjusting assembly of the capacitive touch screen compression-resistant detection device of the present application.
Fig. 9 is a schematic diagram of a screen fixing unit of the capacitive touch screen compression-resistant detection device.
Fig. 10 is a cross-sectional view of a screen fixing unit of the capacitive touch screen compression-resistant detecting apparatus of the present application.
Fig. 11 is a side view of a screen fixing unit of the capacitive touch screen compression detection apparatus of the present application.
Fig. 12 is a top view of a screen fixing unit of the capacitive touch screen compression detection apparatus of the present application.
In the figure:
100. an installation unit; 101. a base; 102. a fixing frame; 103. a fixed cylinder; 200. a compression-resistant test unit; 201. a housing; 202. an impact assembly; 203. a pressure regulating assembly; 202a, upper chamber; 202b, lower chamber; 202c, an impact spring; 202d, an impact block; 202e, a cylindrical cavity; 202f, an impact head; 202g, conductive rod; 202h, a return spring; 202i, offset elements; 202g-1, narrow section; 202g-2, conical section; 202j, conical cavity; 202g-3, coarse fraction; 202g-4, arc bottom; 202i-1, offset cavity; 202i-2, a cylindrical rod; 202i-3, push block; 202i-4, spring chambers; 202i-5, an offset spring; 202i-6, offset slots; 203a, an adjusting table; 203b, a spiral hole; 203c, a first tooth edge; 203d, an adjusting ring; 203e, a second tooth edge; 203f, gears; 203g, vertical flutes; 300. a screen fixing unit; 301. a semi-cylindrical table; 302. a work table; 303. a screen clamping assembly; 304. a connection assembly; 305. an angle adjustment assembly; 303a, a dovetail groove; 303b, clamping bars; 303c, fixing bolts; 304a, a semi-circular frame; 304b, a semicircular groove; 304c, a notch; 304d, fixing nails; 304e, fixing a spring; 305a, a turbine; 305b, worm
Detailed Description
In order that the above-recited objects, features and advantages of the present application will become more readily apparent, a more particular description of the application will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present application is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the application. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Further, in describing the embodiments of the present application in detail, the cross-sectional view of the device structure is not partially enlarged to a general scale for convenience of description, and the schematic is only an example, which should not limit the scope of protection of the present application. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
Example 1
Referring to fig. 1-5, for a first embodiment of the present application, there is provided a capacitive touch screen compression detection apparatus, the apparatus comprising:
a mounting unit 100, the mounting unit 100 comprising a base 101, a fixing frame 102 provided on the base 101, and a fixing cylinder 103 provided on the fixing frame 102; the method is characterized in that: the installation unit 100 is provided with a compression test unit 200, and a screen fixing unit 300 is arranged below the compression test unit 200;
the compression testing unit 200 comprises a housing 201 disposed within the fixed barrel 103, an impact assembly 202 disposed within the housing 201, and a pressure regulating assembly 203 disposed within the housing 201;
the screen fixing unit 300 includes a half cylinder stage 301 provided on the base 101, a stage 302 provided on the half cylinder stage 301, a screen clamping assembly 303 provided on the stage 302, a connection assembly 304 provided between the stage 302 and the half cylinder stage 301, and an angle adjusting assembly 305 provided between the stage 302 and the half cylinder stage 301.
Specifically, the base 101 is rectangular, the fixing frames 102 are fixedly connected to the base 101, the fixing frames 102 are arranged into 2 groups, the fixing cylinders 103 are fixedly connected to the 2 groups of fixing frames 102, the fixing cylinders 103 are hollow cylindrical cylinders, the upper and lower openings are formed in the upper and lower sides, the inner walls of the cylindrical cylinders are fixedly connected with circular arc limiting strips, and the limiting strips are symmetrically arranged into 2 groups of circular arcs and used for limiting the compression-resistant test units 200; the shell 201 is a hollow cylinder, an opening is formed in the lower portion of the shell 201, an arc limiting groove is formed in the shell 201, the arc limiting groove is matched with the arc limiting bar, the shell 201 can slide up and down in the limiting cylinder, the impact assembly 202 is movably arranged in the shell 201 and used for applying pressure to a screen to be detected, and the pressure adjusting assembly 203 is arranged on the shell 201 and used for adjusting the pressure applied by the impact assembly 202 to the screen; the screen fixing unit 300 is used for clamping a screen to be detected, adjusting the angle of the screen to be detected, enabling the screen to be detected to bear pressure tests of different angles, the semicircular column table 301 is fixedly connected to the base 101, the workbench 302 is rotatably arranged on the semicircular column table 301, the clamping component is movably arranged on the workbench 302 and used for fixing the screen on the workbench 302, the connecting component 304 is used for connecting the semicircular column table 301 and the workbench 302, and the angle adjusting component 305 is arranged on the workbench 302 and the semicircular column table 301 and used for adjusting the angle of the workbench 302.
The impact assembly 202 includes an upper chamber 202a and a lower chamber 202b disposed within the housing 201, with communication between the upper chamber 202a and the lower chamber 202 b; also included are an impact spring 202c disposed in the upper chamber 202a, an impact block 202d disposed in the upper chamber 202a, and a cylindrical cavity 202e disposed on the impact block 202 d; also included are an impact head 202f disposed in the lower chamber 202b, a conductive rod 202g disposed in the lower chamber 202b, a return spring 202h disposed on the conductive rod 202g, and a biasing element 202i disposed within the housing 201.
Specifically, an upper chamber 202a and a lower chamber 202b are provided in the housing 201, a hole is formed between the upper chamber 202a and the lower chamber 202b, and an impact block 202d is slidably disposed in the upper chamber 202 a; the impact block 202d is a cylinder, the lower end of the impact block is a frustum, the diameter of the frustum surface is slightly larger than the diameter of a hole between the upper cavity 202a and the lower cavity 202b, a cylindrical cavity 202e is formed in the frustum surface, and the diameter of the cylindrical cavity 202e is slightly smaller than the diameter of the frustum surface; the impact spring 202c is arranged in the upper chamber 202a, and two ends of the impact spring respectively abut against the upper end face of the impact block 202d and the top face of the upper chamber 202 a; the conducting rod 202g is movably arranged in the lower cavity 202b, and the reset spring 202h is sleeved on the conducting rod 202 g; the offset member 202i is disposed between the conductive rod 202g and the housing 201, and is used to tilt the conductive rod 202g by a certain angle so that the tip end surface of the conductive rod 202g abuts against the frustum surface.
The conductive rod 202g includes a narrow section 202g-1 of the conductive rod 202g, and the narrow section 202g-1 has a diameter smaller than the diameter of the cylindrical cavity 202e; the device also comprises a conical section 202g-2 arranged at the lower side of the narrow section 202g-1, and a conical cavity 202j is arranged at the top of the lower cavity 202b, wherein the conical cavity 202j has the same taper as the conical section 202 g-2; the circular arc bottom 202g-4 is arranged at the lower side of the thick section 202 g-3.
Specifically, the diameter of the narrow section 202g-1 of the conducting rod 202g is slightly smaller than the diameter of the cylindrical cavity 202e on the impact block 202d, after the conical cavity 202j is attached to the conical section 202g-2, the center line of the narrow section 202g-1 of the cylindrical cavity 202e and the center line of the narrow section 202g-1 of the conducting rod 202g can be overlapped, so that the impact block 202d falls into the narrow section 202g-1 of the conducting rod 202g, the conducting rod 202g is hammered, the hammering pressure is conducted to the impact head 202f by the conducting rod 202g, and the pressure of the screen to be detected is detected by the impact head 202 f.
The biasing element 202i includes a biasing chamber 202i-1 disposed on the arcuate base 202g-4, a cylindrical rod 202i-2 disposed on the biasing chamber 202i-1, a push block 202i-3 disposed on the cylindrical rod 202i-2, a spring chamber 202i-4 disposed on the housing 201, and a biasing spring 202i-5 disposed between the push block 202i-3 and the spring chamber 202 i-4.
Specifically, the offset cavity 202i-1 is formed on the arc bottom 202g-4, the cylindrical rod 202i-2 is fixedly connected to the offset cavity 202i-1, the spring cavity 202i-4 is formed on the housing 201, the offset spring 202i-5 is arranged in the spring cavity 202i-4, one end of the offset spring 202i-5 abuts against the spring cavity 202i-4, the offset spring 202i-5 slides in the spring cavity 202i-4, the other end of the offset spring is fixedly connected with the push block 202i-3, the push block 202i-3 is formed with an opening, the opening is clamped on the cylindrical rod 202i-2, and the offset element 202i applies a rightward deflection force to the conductive rod 202g, so that the top surface of the narrow section 202g-1 of the conductive rod 202g abuts against the frustum surface of the impact block 202d to prevent the impact block 202d from falling.
The upper end surface of the impact head 202f is provided with an offset groove 202i-6, and the circular arc bottom 202g-4 slides left and right in the offset groove 202 i-6.
In the use process, a test replacing screen is placed on the base 101, and the compression resistance test unit 200 is placed in the fixed cylinder 103, so that the impact head 202f is in natural contact with the screen to be tested; in a natural state, the impact head 202f is tightly attached to the bottom end of the upper cavity 202a, the central axis of the conducting rod 202g is slightly deviated to the right, and the top surface of the narrow section 202g-1 of the conducting rod 202g is abutted against the frustum surface of the impact block 202 d; in the test state, the shell 201 is pressed down, since the impact head 202f is abutted against the screen to be tested, the top surface of the narrow section 202g-1 of the conducting rod 202g is abutted against the frustum surface of the impact block 202d, the impact head 202f, the conducting rod 202g and the impact block 202d are kept still, the impact spring 202c and the return spring 202h are compressed, when the conical cavity 202j of the shell 201 is pressed down to the lower cavity 202b to be coincident with the conical section 202g-2 of the conducting rod 202g, the center line of the conducting rod 202g is coincident with the center line of the impact block 202d, the cylindrical cavity 202e of the impact block 202d is hammered against the top surface of the narrow section 202g-1 of the conducting rod 202g under the action of the impact spring 202c, the conducting rod 202g conducts the impact force to the impact head 202f, the impact head 202f is tested for the screen advancing pressure, and the elastic force of the spring corresponds to the screen compression resistance value of a fixed value. The compression test of the screen to be tested can be realized by pressing down the shell 201, so that the detection flow is greatly simplified, the detection time is greatly shortened, and the labor cost is saved.
Example 2
Referring to fig. 1-8, a second embodiment of the present application is shown, which differs from the first embodiment in that: the pressure regulating assembly 203 includes a regulating table 203a provided in the upper chamber 202a, a screw hole 203b provided in the regulating table 203a, and an impact spring 202c passing through the screw hole 203b; the device further comprises a first toothed edge 203c arranged on the adjusting table 203a, an adjusting ring 203d arranged on the shell 201 and a second toothed edge 203e arranged on the adjusting ring 203d, and the first toothed edge 203c and the second toothed edge 203e are connected through a gear 203 f.
Specifically, the adjusting table 203a is a cylindrical table, a side table is fixedly connected to the cylindrical table, the side table is clamped in a groove of the upper chamber 202a, the cylindrical table rotates in the upper chamber 202a, and a first tooth edge 203c is formed at the edge of the side table; the adjusting ring 203d is rotatably arranged on the shell 201 through a groove on the outer surface of the shell 201, the adjusting ring 203d is fixedly connected with a fixed edge, a second toothed edge 203e is arranged on the edge of the fixed edge, a gear 203f is rotatably arranged between the cylinder table and the adjusting ring 203d, the gear 203f is meshed with the first toothed edge 203c and the second toothed edge 203e, the adjusting ring 203d is provided with a spiral hole 203b, a spring is rotatably arranged in the spiral hole 203b, and the length of the impact spring 202c can be adjusted through rotating the adjusting ring 203d so as to provide pressure tests with different forces.
Further, compared to embodiment 1, the surface of the adjustment ring 203d is provided with vertical grooves 203g.
Wherein the vertical flutes 203g may further increase friction to facilitate rotation of the adjustment ring 203d.
In the use process, the length of the spring for providing impact force for the impact block 202d is changed by rotating the adjusting ring 203d, the spring above the adjusting ring 203d is the unused impact spring 202c, the impact spring 202c in use is below the adjusting ring 203d, when the adjusting ring 203d is rotated clockwise, the length of the impact spring 202c in use is increased, the length of the impact spring 202c in use is reduced, and the impact force is increased; when the adjusting ring 203d is rotated anticlockwise, the length of the impact spring 202c in use is reduced, the length of the impact spring 202c in non-use is increased, and the impact force is reduced; through rotating the adjusting ring 203d, different rotating angles correspond to different pressure values, and through adjusting the adjusting ring 203d to different angles, the compression resistance effect of the screen under different pressure impact can be measured.
The rest of the structure is the same as that of embodiment 1.
Example 3
Referring to fig. 1-12, a third embodiment of the present application is shown, which differs from the second embodiment in that: the screen clamping assembly 303 includes a dovetail groove 303a provided on the table 302, a clamping rod 303b provided in the dovetail groove 303a, and a fixing bolt 303c provided on the clamping rod 303 b.
Specifically, the dovetail grooves 303a are formed in the workbench 302, the dovetail grooves 303a are arranged in 3 groups in parallel, the clamping rods 303b are slidably arranged in the dovetail grooves 303a, the clamping rods 303b are composed of transverse rods and dovetail blocks, the dovetail blocks are arranged in 3 groups and are slidably arranged in 3 dovetail grooves 303a respectively, the dovetail blocks are fixedly connected with the transverse rods, the clamping rods 303b can move along the directions of the dovetail grooves 303a, threaded holes are formed in the clamping rods 303b, fixing bolts 303c are rotatably arranged in the threaded holes, and the clamping rods 303b can be fixed in the dovetail grooves 303a by screwing the fixing bolts 303c.
The connecting component 304 comprises a semicircular frame 304a arranged on the semicircular column platform 301 and a semicircular groove 304b arranged on the workbench 302, and the semicircular groove 304b is matched with the semicircular frame 304 a; also included are a slot 304c disposed on the half-frame 304a, a staple 304d disposed within the slot 304c, with the staple 304d being coupled to the table 302 and a staple spring 304e disposed on the staple 304 d.
Specifically, the semicircular frame 304a is fixedly connected to the semicircular column table 301, the workbench 302 is provided with a semicircular groove 304b, the radius of the semicircular groove 304b is the same as that of the semicircular frame 304a, the semicircular groove 304b is erected on the semicircular frame 304a, the semicircular frame 304a is provided with an arc notch 304c, the fixing nail 304d penetrates through the fixing spring 304e, the notch 304c and the workbench 302 to be fixedly connected, the fixing nail 304d and the fixing spring 304e are arranged into 4 groups, and the workbench 302 is rotatably arranged on the fixing frame 102.
The angle adjusting assembly 305 includes a worm wheel 305a disposed on the semi-cylindrical stage 301 and a worm screw 305b disposed on the stage 302, and the worm wheel 305a and the worm screw 305b are matched.
Specifically, the turbine 305a is half of a common circular turbine 305a, and is fixedly connected to the semi-cylindrical platform 301, the worm 305b is rotatably arranged on the workbench 302, the worm 305b is meshed with the turbine 305a, a knob is arranged at the end of the worm 305b, and the position of the worm 305b relative to the turbine 305a can be adjusted by rotating the knob, so that the angle of the workbench 302 is changed.
In the use process, the fixing nuts are unscrewed, so that 2 groups of clamping rods 303b can freely slide in the dovetail grooves 303a, a screen to be tested is placed on the workbench 302, the 2 groups of clamping rods 303b are moved, the clamping rods 303b are tightly attached to the screen to be tested, and the fixing bolts 303c are screwed, so that the screen to be tested is fixed on the workbench 302; the worm 305b is rotated, because the worm 305b is rotatably disposed on the workbench 302, and the turbine 305a is fixed in position, when the worm 305b is rotated, the worm 305b rotates relative to the turbine 305a, and the worm 305b drives the workbench 302 to rotate around the semicircular column base 301; due to self-locking between the worm wheel 305a and the worm 305b, when the worm 305b stops rotating, the inclination angle of the workbench 302 is fixed, and the shell 201 is pressed down at the same time, so that a screen anti-pressure test under different inclination angles can be realized.
The rest of the structure is the same as that of embodiment 2.
Example 4
Referring to fig. 1-12, for a fourth embodiment of the present application, a method for using a capacitive touch screen compression detection apparatus is provided, comprising the steps of,
s1: the fixing bolt 303c is unscrewed, the screen to be tested is placed on the workbench 302, the position is adjusted, the 2 groups of clamping rods 303b are moved to enable the clamping rods 303b to be clung to the screen to be tested, and the fixing bolt 303c is screwed to enable the screen to be tested to be fixed on the workbench 302.
S2: placing the compression test unit 200 into the fixed cylinder 103, and enabling the impact head 202f to naturally contact the substitution test screen; the housing 201 is pressed down to perform pressure impact on the screen to be tested.
S3: if the screen is broken, the limit value of the pressure that the screen to be tested can bear is recorded, and if the screen is not broken, the impact pressure is increased by rotating the pressure adjusting component 203, and the process S2 is repeated until the screen is broken.
It is important to note that the construction and arrangement of the application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of present application. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present applications. Therefore, the application is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims. Furthermore, in order to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those not associated with the best mode presently contemplated for carrying out the application, or those not associated with practicing the application).
It should be noted that the above embodiments are only for illustrating the technical solution of the present application and not for limiting the same, and although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present application may be modified or substituted without departing from the spirit and scope of the technical solution of the present application, which is intended to be covered in the scope of the claims of the present application.
Claims (10)
1. A capacitive touch screen compression-resistant detection device comprises,
the mounting unit (100), the mounting unit (100) comprises a base (101), a fixing frame (102) arranged on the base (101) and a fixing cylinder (103) arranged on the fixing frame (102); the method is characterized in that: the installation unit (100) is provided with a compression test unit (200), and a screen fixing unit (300) is arranged below the compression test unit (200);
the compression resistance testing unit (200) comprises a shell (201) arranged in the fixed cylinder (103), an impact assembly (202) arranged in the shell (201) and a pressure adjusting assembly (203) arranged in the shell (201);
the screen fixing unit (300) comprises a semi-cylindrical table (301) arranged on the base (101), a workbench (302) arranged on the semi-cylindrical table (301), a screen clamping assembly (303) arranged on the workbench (302), a connecting assembly (304) arranged between the workbench (302) and the semi-cylindrical table (301) and an angle adjusting assembly (305) arranged between the workbench (302) and the semi-cylindrical table (301).
2. The capacitive touch screen compression detection apparatus of claim 1, wherein: the impact assembly (202) comprises an upper chamber (202 a) and a lower chamber (202 b) arranged in the shell (201), and the upper chamber (202 a) and the lower chamber (202 b) are communicated; the device also comprises an impact spring (202 c) arranged in the upper chamber (202 a), an impact block (202 d) arranged in the upper chamber (202 a), and a cylindrical cavity (202 e) arranged on the impact block (202 d); also included are an impact head (202 f) disposed in the lower chamber (202 b), a conductive rod (202 g) disposed in the lower chamber (202 b), a return spring (202 h) disposed on the conductive rod (202 g), and a biasing element (202 i) disposed within the housing (201).
3. The capacitive touch screen compression detection apparatus of claim 2, wherein: the conductive rod (202 g) comprises a narrow section (202 g-1) of the conductive rod (202 g), and the diameter of the narrow section (202 g-1) is smaller than the diameter of the cylindrical cavity (202 e); the device also comprises a conical section (202 g-2) arranged at the lower side of the narrow section (202 g-1), and a conical cavity (202 j) is arranged at the top of the lower cavity (202 b), wherein the conical degree of the conical cavity (202 j) is the same as that of the conical section (202 g-2); the circular arc bottom (202 g-4) is arranged at the lower side of the coarse section (202 g-3).
4. A capacitive touch screen compression detection apparatus according to claim 3, wherein: the offset element (202 i) comprises an offset cavity (202 i-1) arranged on the arc bottom (202 g-4), a cylindrical rod (202 i-2) arranged on the offset cavity (202 i-1), a push block (202 i-3) arranged on the cylindrical rod (202 i-2), a spring cavity (202 i-4) arranged on the shell (201) and an offset spring (202 i-5) arranged between the push block (202 i-3) and the spring cavity (202 i-4).
5. The capacitive touch screen compression detection apparatus of claim 4, wherein: an offset groove (202 i-6) is formed in the upper end face of the impact head (202 f), and the arc bottom (202 g-4) slides left and right in the offset groove (202 i-6).
6. The capacitive touch screen compression detection apparatus of claim 5, wherein: the pressure regulating assembly (203) comprises a regulating table (203 a) arranged in the upper chamber (202 a), a spiral hole (203 b) arranged in the regulating table (203 a), and an impact spring (202 c) penetrates through the spiral hole (203 b); the adjusting device further comprises a first toothed edge (203 c) arranged on the adjusting table (203 a), an adjusting ring (203 d) arranged on the shell (201) and a second toothed edge (203 e) arranged on the adjusting ring (203 d), and the first toothed edge (203 c) and the second toothed edge (203 e) are connected through a gear (203 f).
7. The capacitive touch screen compression detection apparatus of claim 5 or 6, wherein: the screen clamping assembly (303) comprises a dovetail groove (303 a) arranged on the workbench (302), a clamping rod (303 b) arranged in the dovetail groove (303 a) and a fixing bolt (303 c) arranged on the clamping rod (303 b).
8. The capacitive touch screen compression detection apparatus of claim 7, wherein: the connecting assembly (304) comprises a semicircular frame (304 a) arranged on the semicircular column platform (301) and a semicircular groove (304 b) arranged on the workbench (302), and the semicircular groove (304 b) is matched with the semicircular frame (304 a); the device also comprises a notch (304 c) arranged on the semicircular frame (304 a), a fixed nail (304 d) arranged in the notch (304 c), and a fixed spring (304 e) connected with the workbench (302) and arranged on the fixed nail (304 d) by the fixed nail (304 d).
9. The capacitive touch screen compression detection apparatus of claim 8, wherein: the angle adjusting assembly (305) comprises a turbine (305 a) arranged on the semi-cylindrical platform (301) and a worm (305 b) arranged on the workbench (302), and the turbine (305 a) is matched with the worm (305 b).
10. The capacitive touch screen compression detection apparatus of claim 6, wherein: the surface of the adjusting ring (203 d) is provided with vertical flutes (203 g).
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| CN202310921462.6A CN116625831B (en) | 2023-07-26 | 2023-07-26 | Capacitive touch screen compression-resistant detection equipment |
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| CN116625831B (en) | 2023-09-29 |
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