Instrument service life detection equipment

Abstract

According to the technical scheme, the instrument service life detection equipment is characterized in that the instrument service life detection equipment comprises a machine shell, one side of the machine shell is rotationally connected with a two-way lead screw moving assembly and two supporting sliding rods through bearings, and the two sides of the two supporting sliding rods are connected with two moving sliding tables in a sliding mode respectively; the two ends of the bidirectional lead screw moving assembly are fixedly connected with the two moving sliding tables, the two moving ends of the bidirectional lead screw moving assembly are fixedly connected with the two moving sliding tables correspondingly, fixed clamping bases are hinged to the two moving sliding tables correspondingly, and Z-shaped plates are fixed to one sides of the fixed clamping bases. The turnover intelligent equipment can be turned over and closed, so that the strength of the turnover rotating shaft structure of the turnover intelligent equipment is detected, the turnover times of the turnover intelligent equipment can be counted through the turnover counting instrument, the use times of the turnover rotating shaft structure of the turnover intelligent equipment can be determined, the service life can be judged, and the detection precision is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of life detection, in particular to an instrument life detection device. Background Art

[0002] Currently, laptops and some smart devices need to undergo flip strength testing. For laptops, the screen of the laptop is flipped to a certain angle with the back of the keyboard. This test mainly examines whether the hinge structure of the laptop is strong and stable, whether it can support users to use the computer at different angles, and detect the service life of the device so that users can perform flip operations frequently.

[0003] For example, a Chinese patent with authorization announcement number CN216621225U discloses an instrument service life detection device, including a stabilizing mechanism, a detection device body and an adjustment device, wherein the detection device body is arranged at the top of the inner side of the stabilizing mechanism, and the adjustment device is arranged at the bottom of the inner side of the stabilizing mechanism, and the adjustment device includes a rotating rod, a hand wheel is fixedly installed on the right side of the rotating rod, a first threaded rod is fixedly installed on the left side of the rotating rod, a second threaded rod is fixedly installed on the left side of the first threaded rod, the outer side of the first threaded rod is threadedly connected to a first threaded block, and the outer side of the second threaded rod is threadedly connected to a second threaded block.

[0004] The above-mentioned life detection device has the advantage of strong sealing; however, the above-mentioned life detection device can adjust the clamping position and still has some disadvantages, such as: it does not have the function of strength detection of the flip hinge structure of the flip smart device, it is not convenient to flexibly clamp and fix the two sides of the smart device, it cannot detect the life of the flip smart device, and the detection range is small and the detection accuracy is low. Utility Model Content

[0005] The purpose of the utility model is to provide an instrument life detection device to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] An instrument life detection device, comprising a housing, one side of the housing is rotatably connected to a bidirectional screw moving assembly and two supporting slide bars through a bearing, two sides of the two supporting slide bars are slidably connected to two moving slides, the two moving ends of the bidirectional screw moving assembly are respectively fixedly connected to the two moving slides, the two moving slides are hinged with a fixed clamping seat, one side of the fixed clamping seat is fixed with a Z-shaped plate, the Z-shaped plate is threadedly connected with a locking screw, and the lower end of the locking screw is rotatably connected to a clamping strip through a bearing;

[0008] A protective cover is fixed on one side of the housing, and an electronic tester is fixed on the other side. A turnover counter is fixed on the top of the protective cover.

[0009] Preferably, the bidirectional screw moving assembly includes a servo motor, a bidirectional threaded screw and two threaded connecting blocks, the bidirectional threaded screw is located between the two supporting slides, and both ends are rotatably connected to the casing through bearings, the two threaded connecting blocks are both threadedly connected to the bidirectional threaded screw and fixed on the lower surface of the movable slide, the servo motor is fixed on one side of the casing, and the motor shaft is transmission-connected to the end of the bidirectional threaded screw through a coupling.

[0010] Preferably, a spring is sleeved on the locking screw, and two mounting rings are fixed to both ends of the spring respectively, and one side of the two mounting rings is pressed against the end face of the locking screw and the surface of the Z-shaped plate respectively.

[0011] Preferably, guide holes are provided on both sides of the Z-shaped plate, guide rods are inserted into the guide holes, and one end of the guide rod is threadedly connected to the clamping bar.

[0012] Preferably, a first rubber pad is fixed on the surface of the fixed clamping seat, and a second rubber pad is fixed on the lower surface of the clamping strip.

[0013] Preferably, a plurality of V-shaped anti-skid grooves distributed at equal distances are formed on the surfaces of the second rubber pad and the first rubber pad.

[0014] Preferably, a PLC controller is fixed inside the housing, a control output terminal of the PLC controller is electrically connected to the servo motor via a wire, and a control output terminal is electrically connected to the flip counter via a wire.

[0015] Preferably, the PLC controller is provided with a rotation angle control module, a speed control module and a test number module, the rotation angle control module is used to control the angle range of the flipping of the instrument under test, the speed control module is used to control the flipping speed of the instrument under test, and the test number module is used to control the number of forward and reverse rotations of the servo motor.

[0016] Preferably, a temperature and humidity sensor is fixed inside the casing, and a threading port is fixed on one side.

[0017] Preferably, the electronic tester is provided with an instrument life evaluation formula, and the life evaluation formula is as follows:

[0018] Af=([RHt / RHu]p)×e(Ea / K)×(1 / Tu-1 / Tt)

[0019] MTBF=(N*T*Af) / RRHt——Test humidity

[0020] Where: R is the expected value of Poisson distribution; N is the number of test samples; T is RHu, the operating humidity, Tu is the operating temperature (K); Tt is the test temperature (K); p is an exponent, and the typical value is 2.66; Ea is the activation energy, and for smart devices, Ea=0.67; K is the Boltzmann constant = 8.617×10-5eV / k; Af / R is the failure rate, t is the estimated time of the failure rate, and the unit is the same as MTBF; N is the number of test samples; T is the test time, in hours; Af is the test acceleration factor 1; t is the estimated year.

[0021] Compared with the prior art, the beneficial effects of the utility model are:

[0022] In the life detection equipment of the instrument, the fixed clamping seats hinged on the two moving slides are convenient for placing the two sides of the flip intelligent device. The locking screws threadedly connected on the Z-shaped plate can drive the clamping bar to move vertically and press against the two sides of the flip intelligent device, so that both sides of the flip intelligent device can be firmly fixed. The two moving slides can be driven to move toward or in the opposite direction by the bidirectional screw moving component. By controlling the bidirectional screw moving component to perform forward and reverse rotation, the flip intelligent device can be flipped and closed, thereby testing the strength of its flip shaft structure. The clamping position can also be adjusted according to the flip intelligent devices of different sizes to improve the scope of application. The protective cover fixed on the casing can increase the safety performance of the test. By inserting the test end into the flip intelligent device to be tested through the electronic tester, the status of the flip intelligent device can be monitored in real time to determine the damage location. The flip counter can count the number of flips of the flip intelligent device and determine the number of times the flip shaft structure of the flip intelligent device is used, thereby determining the service life and greatly improving the detection accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is one of the structural diagrams of the utility model;

[0024] Figure 2 This is the second structural diagram of the utility model;

[0025] Figure 3 This is the third structural diagram of the utility model;

[0026] Figure 4 for Figure 2 The enlarged view of point A in the middle;

[0027] Figure 5 for Figure 3 Enlarged view of point B in the middle.

[0028] In the figure: 1. Casing; 2. Support slide rod; 3. Bidirectional screw moving assembly; 31. Servo motor; 32. Bidirectional threaded screw; 33. Threaded connection block; 4. Moving slide; 5. Threading port; 6. Fixed clamping seat; 7. Z-shaped plate; 8. Locking screw; 81. Mounting ring; 82. Spring; 9. Clamping strip; 10. Protective cover; 11. Electronic tester; 12. Flip counter; 13. Guide hole; 14. Guide rod; 15. First rubber pad; 16. Second rubber pad; 17. V-shaped anti-slip groove; 18. PLC controller; 19. Temperature and humidity sensor. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] See also Figure 1-Figure 5 The utility model provides an instrument life detection device, wherein the technical scheme is as follows:

[0031] The machine comprises a casing 1, one side of which is rotatably connected with a bidirectional screw moving assembly 3 and two supporting slide bars 2 through a bearing, two sides of the two supporting slide bars 2 are slidably connected with two moving slides 4, the moving ends of the bidirectional screw moving assembly 3 at both ends are fixedly connected with the two moving slides 4, the two moving slides 4 are hinged with a fixed clamping seat 6, one side of the fixed clamping seat 6 is fixed with a Z-shaped plate 7, a locking screw 8 is threadedly connected to the Z-shaped plate 7, the lower end of the locking screw 8 is rotatably connected with a clamping strip 9 through a bearing, and the fixed clamping seat 6 hinged on the two moving slides 4 is convenient for flipping the intelligent machine. The two sides of the flip intelligent device can be placed, and the locking screw 8 threadedly connected on the Z-shaped plate 7 can drive the clamping bar 9 to move vertically and press against the two sides of the flip intelligent device, so that both sides of the flip intelligent device can be firmly fixed, and the two-way screw moving component 3 can drive the two moving slides 4 to move in the opposite direction or reversely. When the two-way screw moving component 3 is controlled to perform forward and reverse rotation, the flip intelligent device can be flipped and closed, so as to detect the strength of its flip shaft structure, and the clamping position can be adjusted according to the flip intelligent devices of different sizes to improve the scope of application;

[0032] A protective cover 10 is fixed on one side of the casing 1, and an electronic tester 11 is fixed on the other side. A flip counter 12 is fixed on the top of the protective cover 10. The protective cover 10 fixed on the casing 1 can increase the safety performance of the test. By inserting the test end into the flip smart device to be tested through the electronic tester 11, the status of the flip smart device can be monitored in real time and the damage location can be determined. The flip counter 12 can count the number of flips of the flip smart device and determine the number of times the flip shaft structure of the flip smart device is used, thereby determining the service life and greatly improving the detection accuracy.

[0033] The bidirectional screw moving assembly 3 includes a servo motor 31, a bidirectional threaded screw 32 and two threaded connecting blocks 33. The bidirectional threaded screw 32 is located between the two supporting slides 2, and both ends are rotatably connected to the casing 1 through bearings. The two threaded connecting blocks 33 are both threadedly connected to the bidirectional threaded screw 32 and fixed on the lower surface of the moving slide 4. The servo motor 31 is fixed on one side of the casing 1, and the motor shaft is transmission-connected to the end of the bidirectional threaded screw 32 through a coupling. The motor shaft of the servo motor 31 drives the end of the bidirectional threaded screw 32 to rotate through the coupling, so that the two threaded connecting blocks 33 can move in opposite or opposite directions, driving the two moving slides 4 to move smoothly on the supporting slide 2, and can drive the flipping intelligent device to rotate reciprocatingly, so as to detect the strength of the flip shaft structure.

[0034] The locking screw 8 is sleeved with a spring 82, and two mounting rings 81 are fixed to both ends of the spring 82. One side of the two mounting rings 81 is respectively pressed against the end face of the locking screw 8 and the surface of the Z-shaped plate 7. The reaction force of the spring 82 improves the self-locking performance of the locking screw 8 and the stability performance.

[0035] Guide holes 13 are provided on both sides of the Z-shaped plate 7, and guide rods 14 are inserted into the guide holes 13. One end of the guide rod 14 is threadedly connected to the clamping bar 9. The guide rod 14 is slidably connected in the guide hole 13, which can limit the moving angle of the clamping bar 9 and improve the stability of clamping.

[0036] A first rubber pad 15 is fixed on the surface of the fixed clamping seat 6, and a second rubber pad 16 is fixed on the lower surface of the clamping strip 9. The first rubber pad 15 and the second rubber pad 16 can reduce the wear caused by the fixed clamping seat 6 and the clamping strip 9 clamping the surface of the flipped smart device being tested.

[0037] A plurality of equally spaced V-shaped anti-skid grooves 17 are formed on the surfaces of the second rubber pad 16 and the first rubber pad 15 . The V-shaped anti-skid grooves 17 can increase the friction between the first rubber pad 15 and the second rubber pad 16 , thereby improving the anti-skid performance.

[0038] A PLC controller 18 is fixed inside the casing 1 . The control output end of the PLC controller 18 is electrically connected to the servo motor 31 through a wire, and the control output end is electrically connected to the flip counter 12 through a wire. The PLC controller 18 can control the rotation direction and speed of the servo motor 31 .

[0039] The PLC controller 18 is provided with a rotation angle control module, a speed control module and a test number module. The rotation angle control module is used to control the angle range of the flipping of the instrument under test, the speed control module is used to control the flipping speed of the instrument under test, and the test number module is used to control the number of forward and reverse rotations of the servo motor 31, and record the operating data of the servo motor 31 in real time.

[0040] A temperature and humidity sensor 19 is fixed in the above-mentioned casing 1, and a wire threading port 5 is fixed on one side. The temperature and humidity of the life detection equipment can be monitored through the temperature and humidity sensor 19, which is convenient for providing data for reference for the instrument life evaluation formula. The wire threading port 5 facilitates the connection of the test end of the electronic tester 11 to the smart device under test.

[0041] The electronic tester 11 is provided with an instrument life evaluation formula, which is as follows:

[0042] Af=([RHt / RHu]p)×e(Ea / K)×(1 / Tu-1 / Tt)

[0043] MTBF=(N*T*Af) / RRHt——Test humidity

[0044] Where: R is the expected value of Poisson distribution; N is the number of test samples; T is RHu, the operating humidity, Tu is the operating temperature (K); Tt is the test temperature (K); p is an exponent, and the typical value is 2.66; Ea is the activation energy, and for smart devices, Ea=0.67; K is the Boltzmann constant = 8.617×10-5eV / k; Af / R is the failure rate, t is the estimated time of the failure rate, and the unit is the same as MTBF; N is the number of test samples; T is the test time, in hours; Af is the test acceleration factor 1; t is the estimated year.

[0045] The working principle and use process of this utility model:

[0046] When the life detection equipment of this instrument is in use, the two sides of the flip intelligent device are placed on the fixed clamping seats 6 hinged on the two moving slides 4, and the locking screws 8 threadedly connected on the Z-shaped plate 7 can drive the clamping bars 9 to move vertically and press against the two sides of the flip intelligent device, so that the two sides of the flip intelligent device can be firmly fixed. The test end is inserted into the flip intelligent device under test through the electronic tester 11, and the state of the flip intelligent device can be monitored in real time to determine the damage position. The flip counter 12 can count the number of flips of the flip intelligent device and determine the number of times the flip shaft structure of the flip intelligent device is used, so as to determine the service life. The test end is inserted into the flip intelligent device under test through the electronic tester 11, and the state of the flip intelligent device can be monitored in real time to determine the damage position. The flip counter 12 can count the number of flips of the flip intelligent device and determine the number of times the flip shaft structure of the flip intelligent device is used, so as to determine the service life.

[0047] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An instrument life detection device, comprising a housing (1), characterized in that: One side of the housing (1) is rotatably connected to a bidirectional screw moving assembly (3) and two supporting slide bars (2) via a bearing, and two sides of the two supporting slide bars (2) are slidably connected to two moving slides (4), and both ends of the bidirectional screw moving assembly (3) are fixedly connected to the two moving slides (4), respectively. A fixed clamping seat (6) is hinged on the two moving slides (4), and a Z-shaped plate (7) is fixed on one side of the fixed clamping seat (6), and a locking screw (8) is threadedly connected to the Z-shaped plate (7), and the lower end of the locking screw (8) is rotatably connected to a clamping strip (9) via a bearing; A protective cover (10) is fixed on one side of the housing (1), and an electronic tester (11) is fixed on the other side; a rollover counter (12) is fixed on the top of the protective cover (10).

2. The instrument life detection device according to claim 1, characterized in that: The bidirectional screw moving assembly (3) comprises a servo motor (31), a bidirectional threaded screw (32) and two threaded connection blocks (33); the bidirectional threaded screw (32) is located between the two supporting slide bars (2), and both ends are rotatably connected to the housing (1) via bearings; the two threaded connection blocks (33) are both threadedly connected to the bidirectional threaded screw (32) and fixed on the lower surface of the moving slide (4); the servo motor (31) is fixed on one side of the housing (1), and the motor shaft is transmission-connected to the end of the bidirectional threaded screw (32) via a coupling.

3. The instrument life detection device according to claim 1, characterized in that: The locking screw (8) is sleeved with a spring (82), and two mounting rings (81) are respectively fixed at both ends of the spring (82), and one side of the two mounting rings (81) is respectively pressed against the end surface of the locking screw (8) and the surface of the Z-shaped plate (7).

4. The instrument life detection device according to claim 1, characterized in that: Guide holes (13) are provided on both sides of the Z-shaped plate (7), guide rods (14) are inserted into the guide holes (13), and one end of the guide rod (14) is threadedly connected to the clamping bar (9).

5. The instrument life detection device according to claim 1, characterized in that: A first rubber pad (15) is fixed on the surface of the fixed clamping seat (6), and a second rubber pad (16) is fixed on the lower surface of the clamping strip (9).

6. The instrument life detection device according to claim 5, characterized in that: A plurality of V-shaped anti-skid grooves (17) distributed at equal intervals are provided on the surfaces of the second rubber pad (16) and the first rubber pad (15).

7. The instrument life detection device according to claim 2, characterized in that: A PLC controller (18) is fixed inside the housing (1), and a control output end of the PLC controller (18) is electrically connected to the servo motor (31) via a wire, and a control output end is electrically connected to the turnover counter (12) via a wire.

8. The instrument life detection device according to claim 7, characterized in that: The PLC controller (18) is provided with a rotation angle control module, a speed control module and a test number module. The rotation angle control module is used to control the angle range of the flipping of the instrument under test, the speed control module is used to control the flipping speed of the instrument under test, and the test number module is used to control the number of forward and reverse rotations of the servo motor (31).

9. The instrument life detection device according to claim 1, characterized in that: A temperature and humidity sensor (19) is fixed inside the housing (1), and a threading port (5) is fixed on one side.

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