Vibration detection device of electronic equipment

Abstract

The utility model provides a vibration detection device for electronic equipment, which belongs to the technical field of vibration detection and comprises a base and a workbench, flexible supporting pieces are arranged at four corners between the base and the workbench, a vibration motor is arranged at the center of the bottom of the workbench, and a plurality of vibration hammer assemblies are further arranged between the workbench and the base. Side fences are arranged on the periphery of the top of the workbench and wrap any flexible supporting piece, a control box is arranged on one side of each side fence and electrically connected with the vibration motor and the vibration hammer assembly, and fixing clamps are arranged on the top of the workbench and are two U-shaped clamping plates detachably arranged on the top of the workbench. The problems that in the prior art, the vibration mode is single, and sudden and high-strength vibration generated in the transportation process of electronic equipment cannot be effectively simulated are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of vibration detection, in particular to a vibration detection device for electronic equipment. Background Art

[0002] Vibration testing plays a vital role in the production, transportation, and actual use of electronic equipment. Vibration testing can simulate various vibration environments that products may encounter during transportation and use, thereby promptly discovering potential defects in product structural design, material selection, assembly process, etc. For example, electronic equipment may experience problems such as loose solder joints and component detachment in a long-term vibration environment. Vibration testing can expose these problems before the product is put on the market so that improvements can be made.

[0003] However, existing vibration detection devices are relatively simple in terms of vibration mode, mainly focusing on monitoring conventional vibrations. However, their monitoring effect is often unsatisfactory for the severe vibrations generated by electronic equipment passing through large potholes or speed bumps during transportation. The vibrations in such scenarios are often sudden and high-intensity, which places higher requirements on the response speed, sensitivity and measurement accuracy of the detection device. Utility Model Content

[0004] In order to make up for the above deficiencies, the present invention provides a vibration detection device for an electronic device, which is used to solve the above problems.

[0005] The utility model is achieved in this way:

[0006] A vibration detection device for an electronic device includes a base and a workbench, wherein flexible support members are provided at the four corners between the base and the workbench, a vibration motor is provided at the bottom center of the workbench, and several vibration hammer assemblies are also provided between the workbench and the base, side panels are provided around the top of the workbench, and the side panels wrap any of the flexible support members, and a control box is provided on one side of the side panels, and the control box is electrically connected to the vibration motor and the vibration hammer assembly respectively, and a fixing clamp is provided on the top of the workbench, and the fixing clamp is two detachable U-shaped clamps arranged on the top of the workbench.

[0007] In an embodiment of the present invention, air pads are provided at the four corners of the bottom of the base, and the air pads are hollow rubber pads.

[0008] In an embodiment of the present utility model, the flexible support member includes a first docking column, a second docking column and a resistance spring. There are four first docking columns, which are respectively arranged at four corners near the top of the base. The top of the first docking column is provided with a lower mounting hole that is recessed downward. The number of the second docking columns is the same as that of the first docking columns, and they are coaxially arranged on the bottom wall of the workbench with the first docking columns opposite to them. The bottom of the second docking column is provided with an upper mounting hole that is recessed upward. One end of the resistance spring is fixedly provided on the bottom wall of the lower mounting hole, and the other end is fixedly provided on the bottom wall of the upper mounting hole.

[0009] In an embodiment of the present utility model, the vibration hammer assembly includes an electric push rod, the bottom of the electric push rod is arranged on the top of the base, an electromagnet is provided at the end of the output shaft of the electric push rod, and a sleeve coaxial with the output shaft of the electric push rod is provided on the bottom wall of the workbench. The interior of the sleeve is elastically connected to a hammer rod, and the hammer rod is magnetically connected to the electromagnet.

[0010] In an embodiment of the present invention, a flange is provided on the outer side of the hammer rod near the bottom side, and a tension spring is provided on the outer side of the hammer rod. One end of the tension spring is fixedly provided on the bottom wall of the sleeve, and the other end is fixedly connected to the flange. A magnetic plate is provided at the bottom of the hammer rod, and the magnetic plate is magnetically connected to the electromagnet.

[0011] In an embodiment of the present invention, the diameters of the flange and the magnetic plate are smaller than the inner diameter of the sleeve, and a chamfer is provided at the bottom opening of the sleeve.

[0012] In an embodiment of the present utility model, the U-shaped splint includes a pressure plate and two screw rods. A plurality of threaded holes are provided on the top of the workbench. The screw rods are threadedly connected to the threaded holes. Mounting holes are provided on the top of the U-shaped splint near the two ends. The top ends of the two screw rods respectively pass through the mounting holes, and fastening bolts are provided at the ends of the screw rods.

[0013] In an embodiment of the present invention, a PLC controller is provided inside the control box, and a signal output end of the PLC controller is communicatively connected with signal input ends of the vibration motor, the electric push rod and the electromagnet.

[0014] The beneficial effects of this utility model are as follows: by adding a vibrating hammer assembly, different positions of the workbench can be intermittently hammered to simulate the vibrations generated when electronic equipment passes over large potholes and speed bumps, thereby more comprehensively covering inspection scenarios. The electric push rod serves as the power source, driving the hammer rod's reciprocating motion; the electromagnet plays a key role in positioning and releasing the hammer rod; and the sleeve provides stable guidance and support for the hammer rod. The hammer rod, as the component that directly impacts the workbench, works in tandem with the electromagnet under the intelligent control of a PLC controller. Upon receiving a preset timing program and control instructions, the PLC controller precisely controls the extension and retraction of the push rod and the energization and de-energization of the electromagnet. This process not only simulates the instantaneous impact experienced by electronic equipment during transportation but also adapts to the specific needs of different inspection scenarios by adjusting parameters in the PLC controller, such as the vibration frequency and hammer force. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.

[0016] Figure 1 A schematic structural diagram of a vibration detection device for an electronic device provided in an embodiment of the present utility model;

[0017] Figure 2 A schematic cross-sectional view of a vibration detection device for an electronic device according to an embodiment of the present invention;

[0018] Figure 3 A schematic cross-sectional view of a flexible support member provided in an embodiment of the present utility model;

[0019] Figure 4 A schematic cross-sectional view of a vibrating hammer assembly according to an embodiment of the present invention;

[0020] Figure 5 A communication block diagram provided for an embodiment of the present utility model.

[0021] In the figure: 10, base; 11, air foot pad; 12, side panel; 20, workbench; 30, vibration motor; 40, flexible support; 41, first docking column; 42, second docking column; 43, resistance spring; 50, vibration hammer assembly; 51, electric push rod; 52, electromagnet; 53, sleeve; 54, tension spring; 55, hammer rod; 5501, flange; 5502, magnetic plate; 60, fixing fixture; 61, U-shaped splint; 6101, screw rod; 6102, pressure plate; 70, control box; 71, PLC controller. DETAILED DESCRIPTION

[0022] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but rather merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0024] like Figure 1-4 As shown, the utility model provides a vibration detection device for an electronic device, including a base 10 and a workbench 20, wherein flexible supports 40 are provided at the four corners between the base 10 and the workbench 20, a vibration motor 30 is provided at the bottom center of the workbench 20, and a plurality of vibration hammer assemblies 50 are further provided between the workbench 20 and the base 10, and side enclosures 12 are provided around the top of the workbench 20, and the side enclosures 12 wrap any flexible supports 40 therein, and a control box 70 is provided on one side of the side enclosure 12, and the control box 70 is electrically connected to the vibration motor 30 and the vibration hammer assembly 50 respectively, and the workbench 20 A fixing clamp 60 is provided on the top, and the fixing clamp 60 is two U-shaped clamps 61 detachably provided on the top of the workbench 20. A flexible connection is formed between the workbench 20 and the base 10 through the flexible support member 40, and a vibration motor 30 is provided at the bottom of the workbench 20 to realize basic vibration environment simulation. By adding a vibration hammer assembly 50, the corresponding timed start program can be written in the control box 70 to intermittently hammer different positions of the workbench 20 to simulate the vibration generated by electronic equipment passing through large potholes and speed bumps during transportation, thereby more comprehensively covering the detection scenarios.

[0025] In this embodiment, air pads 11 are provided at the four corners of the bottom of the base 10. The air pads 11 are hollow rubber pads. As a vibration detection device, they will generate a large noise with the ground when started. The hollow structure of the pads and the rubber material provide them with better elastic support, thereby reducing noise.

[0026] like Figure 3 As shown, the flexible support member 40 includes a first docking column 41, a second docking column 42 and a resistance spring 43. There are four first docking columns 41, which are respectively arranged at four top corners of the base 10. The top of the first docking column 41 is provided with a lower mounting hole that is recessed downward. The number of the second docking columns 42 is the same as that of the first docking columns 41, and they are coaxially arranged on the bottom wall of the workbench 20 with the opposite first docking columns 41. The bottom of the second docking column 42 is provided with an upper mounting hole that is recessed upward. One end of the resistance spring 43 is fixedly provided on the bottom wall of the lower mounting hole, and the other end is fixedly provided on the bottom wall of the upper mounting hole.

[0027] like Figure 4 As shown, the vibration hammer assembly 50 includes an electric push rod 51, the bottom of the electric push rod 51 is arranged on the top of the base 10, an electromagnet 52 is arranged at the end of the output shaft of the electric push rod 51, and a sleeve 53 coaxial with the output shaft of the electric push rod 51 is arranged on the bottom wall of the workbench 20. The interior of the sleeve 53 is elastically connected to a hammer rod 55, and the hammer rod 55 is magnetically connected to the electromagnet 52.

[0028] Furthermore, a flange 5501 is provided on the outer side of the hammer rod 55 near the bottom side, and a tension spring 54 is provided on the outer side of the hammer rod 55. One end of the tension spring 54 is fixedly provided on the bottom wall of the sleeve 53, and the other end is fixedly connected to the flange 5501. A magnetic plate 5502 is provided at the bottom of the hammer rod 55, and the magnetic plate 5502 is magnetically connected to the electromagnet 52.

[0029] Specifically, by setting a timing program in the PLC controller 71, such as: every 10 seconds, the electric push rod 51 is controlled to extend to the threshold a, and the electromagnet 52 is turned on at the same time, so that the electromagnet 52 contacts the magnetic plate 5502, and then the electric push rod 51 is retracted to the set threshold b, and then the electromagnet 52 is disconnected. At this time, the hammer rod 55 moves upward under the elastic force of the tension spring 54, and collides with the bottom wall of the workbench 20, thereby simulating the scene of electronic equipment passing through large potholes and speed bumps during transportation.

[0030] The threshold a mentioned in this solution is the distance at which the electromagnet 52 and the magnetic plate 5502 can contact each other after the output shafts of the electric push rod 51 move toward each other, and the threshold b is the maximum distance at which the electromagnet 52 can move the hammer rod 55 downward after the electric push rod 51 moves downward. The specific threshold setting needs to be determined according to the size of the hammer rod 55.

[0031] It should be noted that the diameters of the flange 5501 and the magnetic plate 5502 are smaller than the inner diameter of the sleeve 53 , and a chamfer is provided at the bottom opening of the sleeve 53 .

[0032] In this embodiment, the U-shaped clamp 61 includes a pressure plate 6102 and two screw rods 6101. A plurality of threaded holes are provided on the top of the workbench 20. The screw rods 6101 are threadedly connected to the threaded holes. Mounting holes are provided on the top of the U-shaped clamp 61 near the two ends. The top ends of the two screw rods 6101 pass through the mounting holes respectively, and fastening bolts are provided at the ends of the screw rods 6101. That is, the electronic equipment is placed on the bottom of the two pressure plates 6102, and the pressure plates 6102 are fixed by fastening bolts.

[0033] like Figure 5 As shown, a PLC controller 71 is provided inside the control box 70 , and a signal output end of the PLC controller 71 is communicatively connected with a signal input end of the vibration motor 30 , the electric push rod 51 and the electromagnet 52 .

[0034] As an embodiment, after setting up multiple vibration hammer assemblies 50, control instructions can be written into the PLC controller 71 for diversified control according to the scenario. For example, in option one, multiple groups of electric push rods 51 and electromagnets 52 are controlled simultaneously to increase the impact effect; in option two, multiple groups of electric push rods 51 and electromagnets 52 are controlled at cyclic intervals, that is, each vibration hammer assembly 50 is impacted at intervals, thereby achieving impacts in different directions.

[0035] It should be noted that the specific models and specifications of the vibration motor 30, electric push rod 51, electromagnet 52 and PLC controller 71 need to be selected and determined according to the actual specifications of the device. The specific selection calculation method adopts the existing technology in this field, so it will not be described in detail.

[0036] The power supply and principles of the vibration motor 30 , the electric push rod 51 , the electromagnet 52 and the PLC controller 71 are clear to those skilled in the art and will not be described in detail here.

[0037] The above further describes the present invention with the help of specific embodiments, but it should be understood that the specific description here should not be construed as limiting the essence and scope of the present invention. Various modifications made to the above embodiments by ordinary technicians in this field after reading this specification are all within the scope of protection of the present invention.

Claims

1. A vibration detection device for an electronic device, characterized in that: The invention comprises a base (10) and a workbench (20), wherein flexible support members (40) are provided at the four corners between the base (10) and the workbench (20), a vibration motor (30) is provided at the bottom center of the workbench (20), and a plurality of vibration hammer assemblies (50) are provided between the workbench (20) and the base (10), and side panels (12) are provided around the top of the workbench (20), wherein the side panels (12) wrap any of the flexible support members (40), and a control box (70) is provided on one side of the side panels (12), wherein the control box (70) is electrically connected to the vibration motor (30) and the vibration hammer assembly (50) respectively, and a fixing fixture (60) is provided on the top of the workbench (20), wherein the fixing fixture (60) is two U-shaped clamps (61) detachably provided on the top of the workbench (20).

2. The vibration detection device for an electronic device according to claim 1, wherein: Air pads (11) are provided at the four corners of the bottom of the base (10), and the air pads (11) are rubber pads with a hollow interior.

3. The vibration detection device for an electronic device according to claim 1, wherein: The flexible support member (40) includes a first docking column (41), a second docking column (42) and a resisting spring (43). There are four first docking columns (41), which are respectively arranged at four corners near the top of the base (10). The top of the first docking column (41) is provided with a lower mounting hole that is recessed downward. The number of the second docking columns (42) is the same as that of the first docking columns (41), and they are coaxially arranged on the bottom wall of the workbench (20) with the first docking column (41) opposite thereto. The bottom of the second docking column (42) is provided with an upper mounting hole that is recessed upward. One end of the resisting spring (43) is fixedly arranged on the bottom wall of the lower mounting hole, and the other end is fixedly arranged on the bottom wall of the upper mounting hole.

4. The vibration detection device for an electronic device according to claim 1, wherein: The vibration hammer assembly (50) includes an electric push rod (51), the bottom of the electric push rod (51) is arranged on the top of the base (10), an electromagnet (52) is arranged at the end of the output shaft of the electric push rod (51), a sleeve (53) coaxial with the output shaft of the electric push rod (51) is arranged on the bottom wall of the workbench (20), and a hammer rod (55) is elastically connected to the inside of the sleeve (53), and the hammer rod (55) is magnetically connected to the electromagnet (52).

5. The vibration detection device for an electronic device according to claim 4, wherein: A flange (5501) is provided on the outer side of the hammer rod (55) near the bottom side, and a tension spring (54) is provided on the outer side of the hammer rod (55). One end of the tension spring (54) is fixedly provided on the bottom wall of the sleeve (53), and the other end is fixedly connected to the flange (5501). A magnetic plate (5502) is provided at the bottom of the hammer rod (55), and the magnetic plate (5502) is magnetically connected to the electromagnet (52).

6. The vibration detection device for an electronic device according to claim 5, wherein: The diameters of the flange (5501) and the magnetic plate (5502) are smaller than the inner diameter of the sleeve (53), and a chamfer is provided at the bottom opening of the sleeve (53).

7. The vibration detection device for an electronic device according to claim 1, wherein: The U-shaped clamp (61) includes a pressure plate (6102) and two screw rods (6101). The top of the workbench (20) is provided with a plurality of threaded holes, and the screw rods (6101) are threadedly connected to the threaded holes. The top of the U-shaped clamp (61) is provided with mounting holes near the two ends, and the top ends of the two screw rods (6101) respectively pass through the mounting holes, and the ends of the screw rods (6101) are provided with fastening bolts.

8. The vibration detection device for an electronic device according to claim 5, wherein: A PLC controller (71) is provided inside the control box (70), and a signal output end of the PLC controller (71) is communicatively connected with the signal input ends of the vibration motor (30), the electric push rod (51) and the electromagnet (52).

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