CN112461514A - A withstand voltage testing arrangement for panel computer surface screen - Google Patents

A withstand voltage testing arrangement for panel computer surface screen Download PDF

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Publication number
CN112461514A
CN112461514A CN202011191542.3A CN202011191542A CN112461514A CN 112461514 A CN112461514 A CN 112461514A CN 202011191542 A CN202011191542 A CN 202011191542A CN 112461514 A CN112461514 A CN 112461514A
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plate
adjustment
pressure
adjusting
sets
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卞进圣
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Suzhou Industrial Park Institute of Vocational Technology
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Suzhou Industrial Park Institute of Vocational Technology
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/08—Testing mechanical properties
    • 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
    • G01N3/04—Chucks
    • 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
    • G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
    • G01N3/12—Pressure testing
    • 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
    • G01N2203/003—Generation of the force
    • G01N2203/0042—Pneumatic or hydraulic means
    • G01N2203/0044—Pneumatic means

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  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
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  • Health & Medical Sciences (AREA)
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  • Pathology (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

本发明涉及电子产品检测技术附属装置的技术领域，特别是涉及一种用于平板电脑表面屏幕的耐压测试装置，其可以减轻人力，降低人为因素，可以保证每次按压检测时按压力度的一致性，同时可以精确得知按压的压力大小，降低使用局限性；提高平板电脑在测试台上进行耐压测试过程中的稳定性，防止发生移动，提高使用可靠性；包括测试台、后侧板、支撑座、气缸、压力测试头、压力传感器、数字显示器和调节板；还包括左调节螺栓、右调节螺栓、左调节座、右调节座、左支撑弹簧、右支撑弹簧、左压板、右压板、左支撑板、右支撑板、左调节柱、右调节柱、左限位板、右限位板、四组左弹簧和四组右弹簧，测试台顶端的左侧和右侧分别设置有左调节槽和右调节槽。

Figure 202011191542

The present invention relates to the technical field of electronic product detection technology accessory devices, in particular to a pressure-resistance testing device used for the surface screen of a tablet computer, which can reduce manpower and human factors, and can ensure the consistency of pressing force during each pressing detection. At the same time, the pressure of pressing can be accurately known, which reduces the limitations of use; improves the stability of the tablet computer during the pressure test process on the test bench, prevents movement, and improves the reliability of use; including the test bench, the rear side panel , support seat, cylinder, pressure test head, pressure sensor, digital display and adjustment plate; also includes left adjustment bolt, right adjustment bolt, left adjustment seat, right adjustment seat, left support spring, right support spring, left pressure plate, right pressure plate , left support plate, right support plate, left adjustment column, right adjustment column, left limit plate, right limit plate, four sets of left springs and four sets of right springs. Adjustment slot and right adjustment slot.

Figure 202011191542

Description

A withstand voltage testing arrangement for panel computer surface screen
Technical Field
The invention relates to the technical field of auxiliary devices of electronic product detection technologies, in particular to a withstand voltage testing device for a surface screen of a tablet personal computer.
Background
As is well known, a voltage withstanding test device for a surface screen of a tablet computer is an auxiliary device for detecting the voltage withstanding degree of the surface screen of the tablet computer so as to better test the use strength and the service life of the surface screen of the tablet computer, and is widely used in the field of electronic product detection technology; the existing pressure resistance testing device for the surface screen of the tablet computer comprises a testing table; when the existing pressure resistance testing device for the screen on the surface of the tablet computer is used, firstly, the tablet computer to be detected is placed on a testing table, the screen on the surface of the tablet computer is placed upwards, then, the screen of the tablet computer is manually pressed by hands, the pressure is changed, the change of the screen of the tablet computer is observed, and the screen change conditions under different pressure conditions are recorded; the existing pressure resistance testing device for the surface screen of the tablet personal computer is found to be high in use limitation due to the fact that manual pressing wastes manpower, the consistency of pressing pressure during each pressing detection cannot be guaranteed, and the pressing pressure cannot be accurately known; and the stability of the tablet computer in the process of carrying out a withstand voltage test on the test board is poor, and the tablet computer is easy to move, so that the use reliability of the tablet computer is low.
Disclosure of Invention
In order to solve the technical problems, the invention provides a pressing device which can reduce manpower, reduce human factors, ensure the consistency of pressing pressure during each pressing detection, accurately know the pressing pressure and reduce the use limitation; and improve the stability of panel computer in the withstand voltage test process of carrying out on the testboard, prevent to take place to remove, improve the withstand voltage testing arrangement who is used for panel computer surface screen of use reliability.
The invention relates to a withstand voltage testing device for a surface screen of a tablet personal computer, which comprises a testing platform, wherein the testing platform is provided with a testing table; comprises a rear side plate, a supporting seat, a cylinder, a pressure testing head, a pressure sensor, a digital display and an adjusting plate, wherein the bottom end of the testing table is connected with the top end of the supporting seat, the bottom end of the rear side plate is connected with the rear side of the top end of the supporting seat, the rear end of the adjusting plate is arranged on the upper side of the middle part of the front end of the rear side plate, the top end of the cylinder is connected with the front side of the bottom end of the adjusting plate, the top end of the pressure testing head is connected with the bottom end of the adjusting rod in the cylinder, a mounting groove is arranged in the pressure testing head, the pressure sensor is fixedly arranged in the mounting groove, the bottom output end of the pressure sensor is flush with the bottom end of the pressure testing head, the rear end of the digital display is connected with the left upper side of the front end of the rear side plate, and the pressure sensor is electrically connected with the digital display; the test table is characterized by further comprising a left adjusting bolt, a right adjusting bolt, a left adjusting seat, a right adjusting seat, a left supporting spring, a right supporting spring, a left pressing plate, a right pressing plate, a left supporting plate, a right supporting plate, a left adjusting column, a right adjusting column, a left limiting plate, a right limiting plate, four groups of left springs and four groups of right springs, wherein a left adjusting groove and a right adjusting groove are respectively arranged on the left side and the right side of the top end of the test table, the inner shapes of the left adjusting groove and the right adjusting groove are respectively matched with the outer shapes of the left supporting plate and the right supporting plate, a left buffering chamber and a right buffering chamber are respectively arranged on the left side and the right side of the interior of the test table, the left adjusting groove is communicated with the interior of the left buffering chamber through a left fixing through hole, the right adjusting groove is communicated with the interior of the right buffering chamber through a fixing through hole, the bottom ends of the four left springs are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the inner wall of the bottom end of the left buffer chamber, the top ends of the four groups of left springs are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the bottom end of the left limiting plate, the top end of the left limiting plate is tightly attached to the inner wall of the top end of the left buffer chamber, the bottom end of the left adjusting column penetrates through a left fixing through hole from the inside of a left adjusting groove and extends into the left buffer chamber, the bottom end of the left adjusting column is connected with the middle part of the top end of the left limiting plate, the top end of the left adjusting column is connected with the middle part of the top end of the left supporting plate, the four groups of right springs and the right limiting plate are arranged inside the right buffer chamber, and the bottom ends of the four groups of right springs are respectively connected with the left front side, the left rear side, the top ends of the four groups of right springs are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the bottom end of the right limiting plate, the top end of the right limiting plate is tightly attached to the inner wall of the top end of the right buffer chamber, the bottom end of the right adjusting column penetrates through a right fixing through hole from the inside of the right adjusting groove and extends into the right buffer chamber, the bottom end of the right adjusting column is connected with the middle part of the top end of the right limiting plate, the top end of the right adjusting column is connected with the middle part of the top end of the right supporting plate, the bottom end of the left adjusting seat is provided with a left placing groove, a left adjusting through hole which penetrates through the left and the right is arranged on the inner wall of the top end of the left placing groove, the left side and the right side of the top end of the test board are respectively provided with a left adjusting threaded, the top end of the left supporting spring is inserted into the left placing groove, the top end of the left supporting spring is tightly attached to the inner wall of the top end of the left placing groove, the bottom end of the left adjusting bolt penetrates through the inside of the left adjusting through hole from the top end of the left adjusting seat and extends into the left placing groove, the bottom end of the left adjusting bolt penetrates through the inside of the left supporting spring and is inserted into the left adjusting threaded hole in a screwing manner, the left end of the left pressing plate is connected with the upper side of the right end of the left adjusting seat, the bottom end of the right adjusting seat is provided with the right placing groove, the inner wall of the top end of the right placing groove is provided with the right adjusting through hole which penetrates up and down, the top end of the right supporting spring is inserted into the right placing groove, the top end of the right supporting spring is tightly attached to the inner wall of the top end of the right placing groove, and the bottom end of the right adjusting bolt penetrates through the inside of, and the bottom of the right adjusting bolt penetrates through the inside of the right supporting spring and is inserted into the right adjusting threaded hole in a threaded manner, and the right end of the right pressing plate is connected with the upper side of the left end of the right adjusting seat.
The invention relates to a pressure resistance testing device for a surface screen of a tablet personal computer, which further comprises a slide rail, wherein the rear end of the slide rail is arranged on the upper side of the front end of the rear side plate, the rear end of an adjusting plate is provided with a concave sliding groove matched with the slide rail, and the adjusting plate can be clamped on the slide rail in a sliding mode through the concave sliding groove.
The pressure resistance testing device for the surface screen of the tablet computer further comprises a left fixing plate, a right fixing plate, a left locking bolt and a right locking bolt, wherein the right end of the left fixing plate is connected with the middle part of the left end of the adjusting plate, the left end of the right fixing plate is connected with the middle part of the right end of the adjusting plate, the middle parts of the front ends of the left fixing plate and the right fixing plate are respectively provided with a left locking thread through hole and a right locking thread through hole, and the rear ends of the left locking bolt and the right locking bolt are respectively inserted into the left locking thread through hole and the right locking thread through hole from the front ends of the left fixing plate and the right fixing plate and are screwed into the left locking thread through hole and the right.
The invention relates to a pressure resistance testing device for a surface screen of a tablet personal computer, which further comprises four groups of left mounting bolts, wherein four groups of mounting bolt through holes are transversely formed in the front end of a sliding rail, four groups of first mounting threaded holes, four groups of second mounting threaded holes and four groups of third mounting threaded holes are respectively and correspondingly transversely formed in the upper side, the middle part and the lower side of the front end of a rear side plate, and the rear ends of the four groups of mounting bolts respectively penetrate through the four groups of mounting bolt through holes to be inserted into the four groups of first mounting threaded holes and are screwed into the four groups of first mounting threaded holes.
The invention relates to a pressure resistance testing device for a surface screen of a tablet personal computer, which further comprises two groups of upper rubber plates and two groups of lower rubber plates, wherein the top ends of the two groups of upper rubber plates are respectively connected with the bottom ends of a left pressing plate and a right pressing plate, and the bottom ends of the two groups of lower rubber plates are respectively connected with the top ends of a left supporting plate and a right supporting plate.
The invention relates to a pressure resistance testing device for a surface screen of a tablet personal computer, which further comprises a left placing plate, a right placing plate, two groups of left limiting sliding columns and two groups of right limiting sliding columns, wherein the right end of the left placing plate is connected with the middle part of the left end of a left adjusting seat, the front side and the rear side of the top end of the left placing plate are respectively provided with a left sliding through hole which penetrates through the left and the right, the two groups of left limiting sliding columns are respectively positioned on the left side of the left adjusting seat, the bottom ends of the two groups of left limiting sliding columns are respectively connected with the left front side and the left rear side of the top end of a test board, the top ends of the two groups of left limiting sliding columns can respectively slide through the two groups of left sliding through holes and extend out of the top end of the left placing plate, the left end of the right placing plate is connected with the middle part of the right end of the right adjusting seat, and the front side and the rear side of the top end of the, and the two groups of right limiting sliding columns are located on the right side of the right adjusting seat, the bottom ends of the two groups of right limiting sliding columns are respectively connected with the right front side and the right rear side of the top end of the test board, and the top ends of the two groups of right limiting sliding columns respectively can penetrate through the interior of the two groups of right sliding through holes in a sliding mode from the bottom end of the right placing board and extend out of the top end of the right placing board.
The pressure resistance testing device for the surface screen of the tablet computer further comprises four groups of supporting legs, and the top ends of the four groups of supporting legs are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the bottom end of the supporting seat.
According to the pressure resistance testing device for the surface screen of the tablet computer, the pressure testing head is made of rubber.
Compared with the prior art, the invention has the beneficial effects that: the pressure testing head can be driven to press the screen on the surface of the tablet computer to be detected through the action of the telescopic rod in the cylinder, so that the manpower is reduced, the human factors are reduced, the consistency of the pressing pressure degree during each pressing detection can be ensured, meanwhile, the pressure can be sensed through the pressure sensor and displayed through the digital display, the pressing pressure can be accurately known, and the use limitation is reduced; the left side and the right side of the bottom end of the tablet computer placed on the test board can be respectively supported by the left support plate and the right support plate, the left adjusting bolt and the right adjusting bolt can be respectively rotated downwards, the left adjusting seat and the right adjusting seat respectively drive the pressing plate and the right pressing plate to move downwards, the left pressing plate and the right pressing plate are respectively matched with the left support plate and the right support plate to clamp the left side and the right side of the tablet computer, the left support plate and the right support plate can be buffered by the elasticity of four groups of left springs and four groups of right springs, so that the pressure of the left pressing plate and the right pressing plate on the tablet computer respectively with the left support plate and the right support plate is reduced, the protection of the tablet computer is improved, and the left supporting spring and the right supporting spring can be used for conveniently driving the left pressing plate and the right pressing plate to return to the original positions respectively after the adjusting bolt and the right adjusting bolt are respectively unscrewed upwards, the test experiment of convenience next time uses, improves the stability of panel computer in carrying out withstand voltage test process on the testboard, prevents to take place to remove, improves and uses the reliability.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connection structure of the left adjusting bolt, the left adjusting seat and the left support spring;
FIG. 3 is a schematic view of the present invention at a position A with a partially enlarged structure;
FIG. 4 is a partially enlarged schematic view of the present invention at B;
FIG. 5 is a schematic view of the present invention at a partially enlarged configuration at C;
FIG. 6 is a left side view of the slide rail and the adjustment plate according to the present invention;
in the drawings, the reference numbers: 1. a test bench; 2. a rear side plate; 3. a supporting seat; 4. a cylinder; 5. a pressure test head; 6. a pressure sensor; 7. a digital display; 8. an adjusting plate; 9. a left adjusting bolt; 10. a left adjusting seat; 11. a left support spring; 12. a left press plate; 13. a left support plate; 14. a left adjustment column; 15. a left limit plate; 16. a left spring; 17. a slide rail; 18. a left fixing plate; 19. a left locking bolt; 20. installing a bolt; 21. a second mounting threaded hole; 22. feeding a rubber plate; 23. a left placement plate; 24. a left limit slide post; 25. and (7) supporting legs.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in fig. 1 to 6, the apparatus for testing withstand voltage of a surface screen of a tablet computer according to the present invention includes a testing platform 1; the testing device comprises a rear side plate 2, a supporting seat 3, an air cylinder 4, a pressure testing head 5, a pressure sensor 6, a digital display 7 and an adjusting plate 8, wherein the bottom end of a testing table is connected with the top end of the supporting seat, the bottom end of the rear side plate is connected with the rear side of the top end of the supporting seat, the rear end of the adjusting plate is arranged on the upper side of the middle part of the front end of the rear side plate, the top end of the air cylinder is connected with the front side of the bottom end of the adjusting plate, the top end of the pressure testing head is connected with the bottom end of an adjusting rod inside the air cylinder, a mounting groove is formed inside the pressure testing head, the pressure sensor is fixedly mounted inside the mounting groove, the bottom output end of the pressure sensor is flush with the bottom end of the; the test bench is characterized by further comprising a left adjusting bolt 9, a right adjusting bolt, a left adjusting seat 10, a right adjusting seat, a left supporting spring 11, a right supporting spring, a left pressing plate 12, a right pressing plate, a left supporting plate 13, a right supporting plate, a left adjusting column 14, a right adjusting column, a left limiting plate 15, a right limiting plate, four groups of left springs 16 and four groups of right springs, wherein a left adjusting groove and a right adjusting groove are respectively arranged on the left side and the right side of the top end of the test bench, the inner shapes of the left adjusting groove and the right adjusting groove are respectively matched with the outer shapes of the left supporting plate and the right supporting plate, a left buffer chamber and a right buffer chamber are respectively arranged on the left side and the right side of the interior of the test bench, the left adjusting groove is communicated with the interior of the left buffer chamber through a left fixing through hole, the right adjusting groove is communicated with the interior of the right buffer chamber through a fixing through hole, the four groups of the left springs and the, The left rear side, the right front side and the right rear side are connected, the top ends of the four groups of left springs are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the bottom end of the left limiting plate, the top end of the left limiting plate is tightly attached with the inner wall of the top end of the left buffer chamber, the bottom end of the left adjusting column penetrates through the left fixing through hole from the inside of the left adjusting groove and extends into the left buffer chamber, the bottom end of the left adjusting column is connected with the middle part of the top end of the left limiting plate, the top end of the left adjusting column is connected with the middle part of the top end of the left supporting plate, the four groups of right springs and the right limiting plate are arranged in the right buffer chamber, the bottom ends of the four groups of right springs are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the bottom end of the right limiting plate, the top ends of the four groups of the right springs are respectively connected with the left front side, and the bottom of the right adjusting column passes through the right fixing through hole from the inside of the right adjusting groove and extends into the right buffering cavity, the bottom of the right adjusting column is connected with the top middle part of the right limiting plate, the top of the right adjusting column is connected with the top middle part of the right supporting plate, the bottom of the left adjusting seat is provided with the left placing groove, a left adjusting through hole which penetrates through the left and the right is arranged on the inner wall of the top end of the left placing groove, the left side and the right side of the top end of the test board are respectively provided with a left adjusting threaded hole and a right adjusting threaded hole, the left adjusting threaded hole and the right adjusting threaded hole are respectively positioned at the outer sides of the left supporting plate and the right supporting plate, the top of the left supporting spring is inserted into the left placing groove, the top of the left supporting spring is tightly attached to the inner wall of the top of the left placing groove, the bottom of the left adjusting bolt passes through the inside of the left supporting spring and is screwed into the left adjusting threaded The left end of the left pressing plate is connected with the upper side of the right end of the left adjusting seat, the bottom end of the right adjusting seat is provided with a right placing groove, a right adjusting through hole which penetrates through the right placing groove from top to bottom is formed in the inner wall of the top end of the right placing groove, the top end of the right supporting spring is inserted into the right placing groove, the top end of the right supporting spring is attached to the inner wall of the top end of the right placing groove, the bottom end of the right adjusting bolt penetrates through the inside of the right adjusting through hole from the top end of the right adjusting seat and extends into the right placing groove, the bottom end of the right adjusting bolt penetrates through the inside of the right supporting spring and is inserted into the right adjusting threaded hole in a screwing mode, and the right end of; the pressure testing head can be driven to press the screen on the surface of the tablet computer to be detected through the action of the telescopic rod in the cylinder, so that the manpower is reduced, the human factors are reduced, the consistency of the pressing pressure degree during each pressing detection can be ensured, meanwhile, the pressure can be sensed through the pressure sensor and displayed through the digital display, the pressing pressure can be accurately known, and the use limitation is reduced; the left side and the right side of the bottom end of the tablet computer placed on the test board can be respectively supported by the left support plate and the right support plate, the left adjusting bolt and the right adjusting bolt can be respectively rotated downwards, the left adjusting seat and the right adjusting seat respectively drive the pressing plate and the right pressing plate to move downwards, the left pressing plate and the right pressing plate are respectively matched with the left support plate and the right support plate to clamp the left side and the right side of the tablet computer, the left support plate and the right support plate can be buffered by the elasticity of four groups of left springs and four groups of right springs, so that the pressure of the left pressing plate and the right pressing plate on the tablet computer respectively with the left support plate and the right support plate is reduced, the protection of the tablet computer is improved, and the left supporting spring and the right supporting spring can be used for conveniently driving the left pressing plate and the right pressing plate to return to the original positions respectively after the adjusting bolt and the right adjusting bolt are respectively unscrewed upwards, the test experiment of convenience next time uses, improves the stability of panel computer in carrying out withstand voltage test process on the testboard, prevents to take place to remove, improves and uses the reliability.
The invention relates to a pressure resistance testing device for a surface screen of a tablet personal computer, which further comprises a slide rail 17, wherein the rear end of the slide rail is arranged on the upper side of the front end of a rear side plate, the rear end of an adjusting plate is provided with a concave sliding groove matched with the slide rail, and the adjusting plate is slidably clamped on the slide rail through the concave sliding groove; can make the regulating plate drive the cylinder and can act on along the direction of slide rail and remove through the cooperation between "concave" type spout and the slide rail, conveniently change the pressure test position to panel computer surface screen, reduce and use the limitation.
The invention relates to a pressure resistance testing device for a surface screen of a tablet personal computer, which further comprises a left fixing plate 18, a right fixing plate, a left locking bolt 19 and a right locking bolt, wherein the right end of the left fixing plate is connected with the middle part of the left end of an adjusting plate, the left end of the right fixing plate is connected with the middle part of the right end of the adjusting plate, the middle parts of the front ends of the left fixing plate and the right fixing plate are respectively provided with a left locking thread through hole and a right locking thread through hole, and the rear ends of the left locking bolt and the right locking bolt are respectively inserted into the left locking thread through hole and the right locking thread through hole from the front ends of the left fixing plate and the right fixing plate; can make left locking bolt and right locking bolt's rear end all with the front end locking contact of slide rail through respectively backward rotation left locking bolt and right locking bolt, the position of the pressure test head after conveniently will adjusting is fixed through the fixing of regulating plate on the slide rail, improves the cylinder and drives the stability of pressure test head and carry out the up-and-down action in the test procedure to panel computer surface screen, improves the reliability of use.
The invention relates to a pressure resistance testing device for a surface screen of a tablet personal computer, which further comprises four groups of mounting bolts 20, wherein the front end of a sliding rail is transversely provided with four groups of mounting bolt through holes, the upper side, the middle part and the lower side of the front end of a rear side plate are respectively and transversely provided with four groups of first mounting threaded holes, four groups of second mounting threaded holes 21 and four groups of third mounting threaded holes correspondingly, and the rear ends of the four groups of mounting bolts respectively penetrate through the four groups of mounting bolt through holes from the front end of the sliding rail to be inserted into the four groups of first mounting threaded holes in a screw mode; can be through four mounting bolts of group respectively at the inside screw assembly of four first mounting screw holes of group, the slide rail is conveniently dismantled, and can be through the setting of four first mounting screw holes of group, four second mounting screw holes of group and four third mounting screw holes of group, conveniently install the slide rail in different positions on vertical, thereby can change the height of cylinder, and then can change the pressure of pressure test head to panel computer surface screen, improve the test range, and then improve test data's representativeness, reduce and use the limitation.
The invention relates to a pressure resistance testing device for a surface screen of a tablet personal computer, which further comprises two groups of upper rubber plates 22 and two groups of lower rubber plates, wherein the top ends of the two groups of upper rubber plates are respectively connected with the bottom ends of a left pressure plate and a right pressure plate, and the bottom ends of the two groups of lower rubber plates are respectively connected with the top ends of a left supporting plate and a right supporting plate; can reduce the hardness of left clamp plate, right clamp plate, left support plate and right branch fagging through rubber slab and two sets of lower rubber slabs on two sets of, improve the protectiveness to being tested panel computer surface screen.
The invention relates to a pressure resistance testing device for a surface screen of a tablet personal computer, which further comprises a left placing plate 23, a right placing plate, two groups of left limiting sliding columns 24 and two groups of right limiting sliding columns, wherein the right end of the left placing plate is connected with the middle part of the left end of a left adjusting seat, the front side and the rear side of the top end of the left placing plate are respectively provided with a left sliding through hole which penetrates through the left and the right, the two groups of left limiting sliding columns are respectively positioned on the left side of the left adjusting seat, the bottom ends of the two groups of left limiting sliding columns are respectively connected with the left front side and the left rear side of the top end of a test bench, the top ends of the two groups of left limiting sliding columns can respectively slide through the inner parts of the two groups of left sliding through holes from the bottom end of the left placing plate and extend out of the top end of the left placing plate, the left end of the right placing plate is connected with the middle part of the right adjusting seat, the front side and the rear side of the top end, the bottom ends of the two groups of right limiting sliding columns are respectively connected with the right front side and the right rear side of the top end of the test board, and the top ends of the two groups of right limiting sliding columns can respectively penetrate through the two groups of right sliding through holes from the bottom end of the right placing board in a sliding manner and extend out of the top end of the right placing board; can be through the sliding fit between two sets of left slip through-holes and two sets of left spacing travelers, make left clamp plate can carry out linear motion from top to bottom along the direction of two sets of left spacing travelers in the in-process that rotatory left adjusting bolt carried out the vertical adjustment, and can be through the sliding fit between two sets of right slip through-holes and two sets of right spacing travelers, make right clamp plate can carry out linear motion from top to bottom along the direction of two sets of right spacing travelers in the in-process that rotatory right adjusting bolt carried out the vertical adjustment, prevent that left clamp plate and right clamp plate from taking place to deviate respectively in the rotatory in-process of left adjusting bolt and right adjusting bolt.
The invention relates to a pressure resistance testing device for a surface screen of a tablet personal computer, which further comprises four groups of supporting legs 25, wherein the top ends of the four groups of supporting legs are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the bottom end of a supporting seat; the overall support capability can be improved by four sets of legs.
According to the pressure resistance testing device for the surface screen of the tablet computer, the pressure testing head is made of rubber; can improve the protection of pressure test head to panel computer surface screen through the setting of rubber material, reduce the factor that panel computer surface screen crushed because of the hardness of pressure test head, and then get rid of the factor that influences the test result, improve and use the reliability.
The invention relates to a pressure resistance testing device for a surface screen of a tablet personal computer, which is characterized in that when in use, the whole device is placed at a position suitable for a user to test through four groups of supporting legs, then the tablet personal computer to be tested is placed on a test bench, the screen on the surface of the tablet personal computer is arranged upwards, the left side and the right side of the bottom end of the tablet personal computer placed on the test bench are respectively supported through a left supporting plate and a right supporting plate, a left adjusting bolt and a right adjusting bolt are respectively rotated downwards, a left adjusting seat and a right adjusting seat respectively drive a pressure plate and a right pressure plate to move downwards, the left pressure plate and the right pressure plate respectively cooperate with the left supporting plate and the right supporting plate to clamp the left side and the right side of the tablet personal computer, the left supporting plate and the right supporting plate are buffered through the elasticity of four groups of left springs and four groups of right springs, and the pressure of the left pressure plate and the right pressure plate and the, the protection to the tablet computer is improved, through the elasticity of the left supporting spring and the right supporting spring, after the adjusting bolt and the right adjusting bolt are unscrewed upwards respectively, the left supporting seat and the right supporting seat drive the left pressing plate and the right pressing plate to upwards return to original positions respectively, the next test experiment is used, the stability of the tablet computer in the pressure resistance test process on the test board is improved, through the two groups of upper rubber plates and the two groups of lower rubber plates, the hardness of the left pressing plate, the right pressing plate, the left supporting plate and the right supporting plate is reduced, through the sliding fit between the two groups of left sliding through holes and the two groups of left limiting sliding columns, the left pressing plate is enabled to do vertical linear motion along the directions of the two groups of left limiting sliding columns in the process of vertical adjustment along with rotation of the left adjusting bolt, and through the sliding fit between the two groups of right sliding through holes and the two groups of right limiting sliding columns, the right pressing plate is enabled to upwards move along the directions of the two groups The lower linear motion is adopted to prevent the left pressure plate and the right pressure plate from deviating in the rotation process of the left adjusting bolt and the right adjusting bolt respectively, then the air cylinder is communicated with external compressed air, the adjusting plate drives the air cylinder to move along the direction of the slide rail through the matching between the concave chute and the slide rail, the pressure testing position of the surface screen of the tablet computer is changed, the rear ends of the left locking bolt and the right locking bolt are both in locking contact with the front end of the slide rail through the backward rotation of the left locking bolt and the right locking bolt respectively, the position of the adjusted pressure testing head is fixed through the fixing of the adjusting plate on the slide rail, the stability of the up-and-down motion of the pressure testing head on the surface screen of the tablet computer in the testing process driven by the air cylinder is improved, and then the pressure testing head is driven to move downwards to press the surface screen of the tablet computer through the motion of the air cylinder, the pressure is displayed through the pressure sensor and the digital display and is recorded by a tester, the change of a screen on the surface of the tablet computer is observed at the same time, four groups of mounting bolts are respectively assembled in the four groups of first mounting threaded holes in a screw mode, the slide rail is disassembled, the slide rail is arranged at different positions in the longitudinal direction through the four groups of first mounting threaded holes, four groups of second mounting threaded holes and four groups of third mounting threaded holes, the height of the air cylinder is changed, the pressure of the pressure testing head on the screen on the surface of the tablet computer is changed, the test and the recording are continued, the change of the pressure of the screen on the surface of the tablet computer is observed at the same time, and finally, the test result is contrastively analyzed.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (8)

1.一种用于平板电脑表面屏幕的耐压测试装置，包括测试台(1)；其特征在于，包括后侧板(2)、支撑座(3)、气缸(4)、压力测试头(5)、压力传感器(6)、数字显示器(7)和调节板(8)，所述测试台(1)的底端与所述支撑座(3)的顶端连接，并且所述后侧板(2)的底端与所述支撑座(3)的顶端后侧连接，所述调节板(8)的后端设置在后侧板(2)的前端中部上侧，并且所述气缸(4)的顶端与所述调节板(8)底端的前侧连接，所述压力测试头(5)的顶端与所述气缸(4)内部调节杆的底端连接，所述压力测试头(5)内部设置有安装槽，并且所述压力传感器(6)固定安装在安装槽内部，并且压力传感器(6)的底部输出端与所述压力测试头(5)的底端齐平，所述数字显示器(7)的后端与所述后侧板(2)的前端左上侧连接，并且所述压力传感器(6)与所述数字显示器(7)电连接；还包括左调节螺栓(9)、右调节螺栓、左调节座(10)、右调节座、左支撑弹簧(11)、右支撑弹簧、左压板(12)、右压板、左支撑板(13)、右支撑板、左调节柱(14)、右调节柱、左限位板(15)、右限位板、四组左弹簧(16)和四组右弹簧，所述测试台(1)顶端的左侧和右侧分别设置有左调节槽和右调节槽，并且所述左调节槽和右调节槽的内部形状分别与所述左支撑板(13)和右支撑板的外部形状相匹配，所述测试台(1)内部的左侧和右侧分别设置有左缓冲腔室和右缓冲腔室，所述左调节槽通过左固定通孔与所述左缓冲腔室内部相通，并且所述右调节槽通过有固定通孔与所述右缓冲腔室内部相通，所述四组左弹簧(16)和左限位板(15)均设置在所述左缓冲腔室内部，并且所述四座左弹簧(16)的底端分别与所述左缓冲腔室底端内壁的左前侧、左后侧、右前侧和右后侧连接，并且四组左弹簧(16)的顶端分别与所述左限位板(15)底端的左前侧、左后侧、右前侧和右后侧连接，左限位板(15)的顶端与所述左缓冲腔室的顶端内壁贴紧，并且所述左调节柱(14)的底端自左调节槽的内部穿过左固定通孔并伸入至左缓冲腔室内部，左调节柱(14)的底端与所述左限位板(15)的顶端中部连接，所述左调节柱(14)的顶端与所述左支撑板(13)的顶端中部连接，所述四组右弹簧和右限位板均设置在所述右缓冲腔室内部，并且所述四座右弹簧的底端分别与所述右缓冲腔室底端内壁的左前侧、左后侧、右前侧和右后侧连接，并且四组右弹簧的顶端分别与所述右限位板底端的左前侧、左后侧、右前侧和右后侧连接，右限位板的顶端与所述右缓冲腔室的顶端内壁贴紧，并且所述右调节柱的底端自右调节槽的内部穿过右固定通孔并伸入至右缓冲腔室内部，右调节柱的底端与所述右限位板的顶端中部连接，所述右调节柱的顶端与所述右支撑板的顶端中部连接，所述左调节座(10)的底端设置有左放置槽，并且所述左放置槽的顶端内壁上设置有上下贯穿的左调节通孔，所述测试台(1)顶端的左侧和右侧分别设置有左调节螺纹孔和右调节螺纹孔，并且左调节螺纹孔和右调节螺纹孔分别位于所述左支撑板(13)和右支撑板的外侧，所述左支撑弹簧(11)的顶端插入至左放置槽内部，并且所述左支撑弹簧(11)的顶端与左放置槽的顶端内壁贴紧，所述左调节螺栓(9)的底端自左调节座(10)的顶端穿过左调节通孔内部并伸入至左放置槽内部，并且左调节螺栓(9)的底端穿过左支撑弹簧(11)的内部插入并螺装至左调节螺纹孔内部，所述左压板(12)的左端与左调节座(10)的右端上侧连接，所述右调节座的底端设置有右放置槽，并且所述右放置槽的顶端内壁上设置有上下贯穿的右调节通孔，所述右支撑弹簧的顶端插入至右放置槽内部，并且所述右支撑弹簧的顶端与右放置槽的顶端内壁贴紧，所述右调节螺栓的底端自右调节座的顶端穿过右调节通孔内部并伸入至右放置槽内部，并且右调节螺栓的底端穿过右支撑弹簧的内部插入并螺装至右调节螺纹孔内部，所述右压板的右端与右调节座的左端上侧连接。1. A pressure-resistant test device for a surface screen of a tablet computer, comprising a test stand (1); it is characterized in that it comprises a rear side plate (2), a support seat (3), a cylinder (4), a pressure test head ( 5), a pressure sensor (6), a digital display (7) and an adjustment plate (8), the bottom end of the test table (1) is connected with the top end of the support seat (3), and the rear side plate ( The bottom end of 2) is connected with the top rear side of the support seat (3), the rear end of the adjusting plate (8) is arranged on the upper side of the middle part of the front end of the rear side plate (2), and the cylinder (4) The top end of the pressure test head (5) is connected with the bottom end of the adjusting rod inside the cylinder (4), and the pressure test head (5) is inside An installation groove is provided, and the pressure sensor (6) is fixedly installed inside the installation groove, and the bottom output end of the pressure sensor (6) is flush with the bottom end of the pressure test head (5), and the digital display ( The rear end of 7) is connected to the upper left side of the front end of the rear side plate (2), and the pressure sensor (6) is electrically connected to the digital display (7); it also includes a left adjustment bolt (9), a right adjustment Bolt, left adjustment seat (10), right adjustment seat, left support spring (11), right support spring, left pressure plate (12), right pressure plate, left support plate (13), right support plate, left adjustment column (14) , right adjustment column, left limit plate (15), right limit plate, four groups of left springs (16) and four groups of right springs, the left and right sides of the top of the test table (1) are respectively provided with left adjustment slot and right adjustment slot, and the inner shape of the left adjustment slot and the right adjustment slot match the outer shape of the left support plate (13) and the right support plate respectively, the left side inside the test table (1) and the right side are respectively provided with a left buffer chamber and a right buffer chamber, the left adjustment groove communicates with the interior of the left buffer chamber through a left fixing through hole, and the right adjustment groove communicates with the The interior of the right buffer chamber is communicated, the four sets of left springs (16) and the left limit plate (15) are all arranged inside the left buffer chamber, and the bottom ends of the four left springs (16) are respectively connected to the The left front side, left rear side, right front side and right rear side of the inner wall of the bottom end of the left buffer chamber are connected, and the top ends of the four groups of left springs (16) are respectively connected with the left front side, The left rear side, the right front side and the right rear side are connected, the top end of the left limit plate (15) is in close contact with the top inner wall of the left buffer chamber, and the bottom end of the left adjustment column (14) is adjusted from the left adjustment groove. The inside of the left adjusting column (14) is connected to the top middle of the left limit plate (15) through the left fixing through hole and extends into the left buffer chamber. The left adjusting column (14) The top end is connected to the top middle of the left support plate (13), the four groups of right springs and the right limit plate are all arranged inside the right buffer chamber, and the bottom ends of the four right springs are respectively connected to the The left front side, left rear side, right front side and right rear side of the inner wall of the bottom end of the right buffer chamber are connected, and the top ends of the four groups of right springs are respectively connected with the The left front side, the left rear side, the right front side and the right rear side of the bottom end of the right limit plate are connected, the top end of the right limit plate is in close contact with the top inner wall of the right buffer chamber, and the bottom end of the right adjustment column is The inside of the right adjusting slot passes through the right fixing through hole and extends into the inside of the right buffer chamber, the bottom end of the right adjusting column is connected with the top middle of the right limit plate, and the top end of the right adjusting The top and middle parts of the support plates are connected, the bottom end of the left adjustment seat (10) is provided with a left placement slot, and the top inner wall of the left placement slot is provided with a left adjustment through hole penetrating up and down, the test stand (10) ) The left and right sides of the top end are respectively provided with a left adjustment screw hole and a right adjustment screw hole, and the left adjustment screw hole and the right adjustment screw hole are respectively located on the outside of the left support plate (13) and the right support plate. The top end of the left support spring (11) is inserted into the left placement slot, and the top end of the left support spring (11) is in close contact with the top inner wall of the left placement slot, and the bottom end of the left adjustment bolt (9) is adjusted from the left The top end of the seat (10) passes through the inside of the left adjustment through hole and extends into the inside of the left placement slot, and the bottom end of the left adjustment bolt (9) is inserted through the inside of the left support spring (11) and screwed to the left adjustment thread Inside the hole, the left end of the left pressure plate (12) is connected to the upper side of the right end of the left adjustment seat (10), the bottom end of the right adjustment seat is provided with a right placement slot, and the top inner wall of the right placement slot is provided with There is a right adjustment through hole running up and down, the top end of the right support spring is inserted into the right placement slot, and the top end of the right support spring is in close contact with the top inner wall of the right placement slot, and the bottom end of the right adjustment bolt The top end of the right adjusting seat passes through the inside of the right adjusting through hole and extends into the inside of the right placing slot, and the bottom end of the right adjusting bolt is inserted through the inside of the right supporting spring and screwed into the inside of the right adjusting screw hole, the right pressing plate The right end is connected with the upper side of the left end of the right adjusting seat. 2.如权利要求1所述的一种用于平板电脑表面屏幕的耐压测试装置，其特征在于，还包括滑轨(17)，所述滑轨(17)的后端设置在所述后侧板(2)的前端上侧，并且所述调节板(8)的后端设置有与滑轨(17)相匹配的“凹”型滑槽，所述调节板(8)通过“凹”型滑槽可滑动卡设在滑轨(17)上。2 . The pressure test device for a surface screen of a tablet computer according to claim 1 , further comprising a slide rail ( 17 ), and the rear end of the slide rail ( 17 ) is arranged on the back The upper side of the front end of the side plate (2), and the rear end of the adjusting plate (8) is provided with a "concave" type chute matching the slide rail (17), and the adjusting plate (8) passes through the "concave" The type chute can be slidably clamped on the slide rail (17). 3.如权利要求2所述的一种用于平板电脑表面屏幕的耐压测试装置，其特征在于，还包括左固定板(18)、右固定板、左锁紧螺栓(19)和右锁紧螺栓，所述左固定板(18)的右端与所述调节板(8)的左端中部连接，并且所述右固定板的左端与所述调节板(8)的右端中部连接，并且所述左固定板(18)和右固定板的前端中部分别设置有左锁紧螺纹通孔和右锁紧螺纹通孔，所述左锁紧螺栓(19)和右锁紧螺栓的后端分别自左固定板(18)和右固定板的前端插入并螺装至左锁紧螺纹通孔和右锁紧螺纹通孔内部。3. The pressure-resistance testing device for the surface screen of a tablet computer according to claim 2, characterized in that it further comprises a left fixing plate (18), a right fixing plate, a left locking bolt (19) and a right lock Tighten the bolts, the right end of the left fixing plate (18) is connected to the middle of the left end of the adjusting plate (8), and the left end of the right fixing plate is connected to the middle of the right end of the adjusting plate (8), and the A left locking threaded through hole and a right locking threaded through hole are respectively provided in the front-end middle of the left fixing plate (18) and the right fixing plate, and the rear ends of the left locking bolt (19) and the right locking bolt respectively extend from the left The front ends of the fixing plate (18) and the right fixing plate are inserted into and screwed into the left locking threaded through holes and the right locking threaded through holes. 4.如权利要求3所述的一种用于平板电脑表面屏幕的耐压测试装置，其特征在于，还包括四组左安装螺栓(20)，所述滑轨(17)的前端横向设置有四组安装螺栓(20)通孔，并且所述后侧板(2)的前端的上侧、中部和下侧分别横向对应设置有四组第一安装螺纹孔、四组第二安装螺纹孔(21)和四组第三安装螺纹孔，所述四组安装螺栓(20)的后端自滑轨(17)的前端分别穿过四组安装螺栓(20)通孔内部插入并螺装至四组第一安装螺纹孔内部。4. The pressure-resistance testing device for a tablet computer surface screen according to claim 3, further comprising four sets of left mounting bolts (20), and the front end of the slide rail (17) is laterally provided with There are four sets of through holes for mounting bolts (20), and four sets of first mounting threaded holes and four sets of second mounting threaded holes ( 21) and four sets of third mounting threaded holes, the rear ends of the four sets of mounting bolts (20) are inserted from the front ends of the slide rails (17) through the through holes of the four sets of mounting bolts (20) and screwed to the four sets of mounting bolts (20). Inside the first set of mounting threaded holes. 5.如权利要求4所述的一种用于平板电脑表面屏幕的耐压测试装置，其特征在于，还包括两组上橡胶板(22)和两组下橡胶板，所述两组上橡胶板(22)的顶端分别与所述左压板(12)和右压板的底端连接，并且所述两组下橡胶板的底端分别与所述左支撑板(13)和右支撑板的顶端连接。5. A kind of pressure-resistant test device for the surface screen of tablet computer as claimed in claim 4, is characterized in that, also comprises two groups of upper rubber plates (22) and two groups of lower rubber plates, the two groups of upper rubber plates The top ends of the plates (22) are respectively connected with the bottom ends of the left pressure plate (12) and the right pressure plate, and the bottom ends of the two groups of lower rubber plates are respectively connected with the top ends of the left support plate (13) and the right support plate connect. 6.如权利要求5所述的一种用于平板电脑表面屏幕的耐压测试装置，其特征在于，还包括左放置板(23)、右放置板、两组左限位滑柱(24)和两组右限位滑柱，所述左放置板(23)的右端与所述左调节座(10)的左端中部连接，并且左放置板(23)顶端的前侧和后侧均设置有上下贯穿的左滑动通孔，并且所述两组左限位滑柱(24)均位于所述左调节座(10)的左侧，并且两组左限位滑柱(24)的底端分别与所述测试台(1)顶端的左前侧和左后侧连接，并且所述两组左限位滑柱(24)的顶端自左放置板(23)的底端分别可滑动穿过两组左滑动通孔内部并伸出至左放置板(23)的顶端外界，所述右放置板的左端与所述右调节座的右端中部连接，并且右放置板顶端的前侧和后侧均设置有上下贯穿的右滑动通孔，并且所述两组右限位滑柱均位于所述右调节座的右侧，并且两组右限位滑柱的底端分别与所述测试台(1)顶端的右前侧和右后侧连接，并且所述两组右限位滑柱的顶端自右放置板的底端分别可滑动穿过两组右滑动通孔内部并伸出至右放置板的顶端外界。6. A pressure-resistant test device for a surface screen of a tablet computer according to claim 5, characterized in that further comprising a left placing plate (23), a right placing plate, and two sets of left limit slides (24) and two sets of right limit slides, the right end of the left placing plate (23) is connected with the middle of the left end of the left adjusting seat (10), and the front and rear sides of the top of the left placing plate (23) are provided with A left sliding through hole penetrating up and down, and the two sets of left limit spools (24) are both located on the left side of the left adjustment seat (10), and the bottom ends of the two sets of left limit spools (24) are respectively Connected with the left front side and the left rear side of the top of the test bench (1), and the top ends of the two sets of left limit slides (24) can slide through the two sets from the bottom end of the left placing plate (23) respectively. The inside of the left sliding through hole extends to the outside of the top of the left placing plate (23). There is a right sliding through hole penetrating up and down, and the two sets of right limit spools are located on the right side of the right adjustment seat, and the bottom ends of the two sets of right limit spools are respectively connected to the test table (1) The right front side and the right rear side of the top end are connected, and the top ends of the two sets of right limit sliding columns can slide through the inside of the two sets of right sliding through holes respectively from the bottom end of the right placing plate and extend to the top of the right placing plate. outside world. 7.如权利要求6所述的一种用于平板电脑表面屏幕的耐压测试装置，其特征在于，还包括四组支腿(25)，所述四组支腿(25)的顶端分别与所述支撑座(3)底端的左前侧、左后侧、右前侧和右后侧连接。7. The pressure-resistant test device for a surface screen of a tablet computer according to claim 6, further comprising four groups of legs (25), the tops of the four groups of legs (25) being respectively connected to the The left front side, the left rear side, the right front side and the right rear side of the bottom end of the support seat (3) are connected. 8.如权利要求7所述的一种用于平板电脑表面屏幕的耐压测试装置，其特征在于，所述压力测试头(5)设置为橡胶材质。8 . The pressure test device for a surface screen of a tablet computer according to claim 7 , wherein the pressure test head ( 5 ) is made of rubber material. 9 .
CN202011191542.3A 2020-10-30 2020-10-30 A withstand voltage testing arrangement for panel computer surface screen Withdrawn CN112461514A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113075472A (en) * 2021-03-22 2021-07-06 昆山绿之源智能设备制造有限公司 Panel computer touch-sensitive screen clicks testing arrangement
CN113267414A (en) * 2021-05-24 2021-08-17 贵州航天精工制造有限公司 Vickers hardness test auxiliary device
CN113640133A (en) * 2021-08-11 2021-11-12 中国工程物理研究院激光聚变研究中心 Sealing film mechanical property testing device based on expansion method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113075472A (en) * 2021-03-22 2021-07-06 昆山绿之源智能设备制造有限公司 Panel computer touch-sensitive screen clicks testing arrangement
CN113075472B (en) * 2021-03-22 2022-09-13 昆山绿之源智能设备制造有限公司 Panel computer touch-sensitive screen clicks testing arrangement
CN113267414A (en) * 2021-05-24 2021-08-17 贵州航天精工制造有限公司 Vickers hardness test auxiliary device
CN113640133A (en) * 2021-08-11 2021-11-12 中国工程物理研究院激光聚变研究中心 Sealing film mechanical property testing device based on expansion method
CN113640133B (en) * 2021-08-11 2024-05-07 中国工程物理研究院激光聚变研究中心 Sealing film mechanical property testing device based on expansion method

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