CN113899511A - Vibration testing device - Google Patents
Vibration testing device Download PDFInfo
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- CN113899511A CN113899511A CN202111214113.8A CN202111214113A CN113899511A CN 113899511 A CN113899511 A CN 113899511A CN 202111214113 A CN202111214113 A CN 202111214113A CN 113899511 A CN113899511 A CN 113899511A
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- 238000012360 testing method Methods 0.000 title claims abstract description 72
- 238000001514 detection method Methods 0.000 claims abstract description 40
- 230000001276 controlling effect Effects 0.000 claims description 11
- 230000011664 signaling Effects 0.000 claims description 8
- 230000006698 induction Effects 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 6
- 238000000429 assembly Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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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
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
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- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The invention provides a vibration testing device which comprises a base, a fixing piece, a first pushing assembly, a second pushing assembly and a controller, wherein the fixing piece is arranged on the base and used for fixing equipment to be tested; the first pushing assembly is arranged on the base, and the pushing direction of the first pushing assembly faces to the first side of the fixing piece; the second pushing assembly is arranged on the base, the pushing direction of the second pushing assembly faces the second side of the fixing piece, and the direction of the first side is perpendicular to the direction of the second side; the controller is respectively electrically connected with the first pushing assembly and the second pushing assembly and is used for controlling the first pushing assembly to carry out vibration testing on the equipment to be tested and controlling the second pushing assembly to carry out vibration testing on the equipment to be tested after the first pushing assembly finishes testing. The technical scheme of the invention adopts an automatic mode to improve the detection efficiency and the detection precision.
Description
Technical Field
The invention relates to the technical field of televisions, in particular to a vibration testing device.
Background
In the new developed television, part of customers require a vibration endurance test project on the television base, and in order to meet the requirements of the customer test project, the vibration test is carried out on the television base in the production stage of the television. In the prior art, the experiment is usually carried out manually, and the quality of the television base is detected by manually treading the television base and shaking the television. Waste time and energy through the manual work, detection efficiency is low, and receives the manpower restriction, can't control the dynamics of shaking, and shake several times to tens of times and detect promptly and finish, and data leads to the experimental data inaccuracy less.
Disclosure of Invention
The invention mainly aims to provide a vibration testing device, and aims to solve the technical problems that manual experiment efficiency is low and detection data is inaccurate in the prior art.
In order to achieve the above object, the present invention provides a vibration testing apparatus, including:
a base;
the fixing piece is arranged on the base and used for fixing equipment to be tested;
the first pushing assembly is arranged on the base, and the pushing direction of the first pushing assembly faces to the first side of the fixing piece;
the second pushing assembly is arranged on the base, the pushing direction of the second pushing assembly faces to the second side of the fixing piece, and the direction of the first side is perpendicular to the direction of the second side;
the controller is respectively electrically connected with the first pushing assembly and the second pushing assembly and used for controlling the first pushing assembly to carry out vibration testing on the equipment to be tested, and after the first pushing assembly finishes the testing, the second pushing assembly is controlled to carry out vibration testing on the equipment to be tested.
Optionally, the vibration testing apparatus further includes a first sensing element, the first sensing element is disposed on the first pushing assembly, the first sensing element is electrically connected to the controller, and the first sensing element is configured to detect a device to be tested and send a first sensing signal to the controller;
the controller is further used for receiving the first induction signal and controlling the first pushing assembly to conduct vibration testing on the device to be tested according to the first induction signal.
Optionally, the vibration testing apparatus further includes a first detecting element, the first detecting element is disposed on the first pushing assembly, the first detecting element is electrically connected to the controller, and the first detecting element is configured to detect the pushing times of the first pushing assembly and send a first detection signal to the controller;
the controller is further used for receiving the first detection signal and controlling the first pushing assembly to stop testing according to the first detection signal.
Optionally, the vibration testing apparatus further includes a second sensing element, the second sensing element is disposed on the second pushing assembly, the second sensing element is electrically connected to the controller, and the second sensing element is configured to detect a device to be tested and send a second sensing signal to the controller;
the controller is further used for receiving the second sensing signal and controlling the second pushing assembly to carry out vibration testing on the device to be tested according to the first detection signal and the second sensing signal.
Optionally, the vibration testing apparatus further includes a second detecting element, the second detecting element is disposed on the second pushing assembly, the second detecting element is electrically connected to the controller, and the second detecting element is configured to detect the pushing times of the second pushing assembly and send a second detection signal to the controller;
the controller is further used for receiving the second detection signal and controlling the second pushing assembly to stop testing according to the second detection signal.
Optionally, the first pushing assembly comprises:
the mounting rack is arranged on the base;
a fixing plate disposed on the mounting bracket;
the driving cylinder is movably arranged on the fixing plate, and a piston rod of the driving cylinder moves towards one side of the fixing piece.
Optionally, the first pushing assembly further comprises a pressure regulating valve, and the pressure regulating valve is arranged on the driving cylinder to regulate the pushing force of the driving cylinder.
Optionally, the mounting frame comprises:
the Z-axis adjusting rod is arranged on the base;
and the Y-axis adjusting rod is arranged on the Y-axis adjusting rod.
Optionally, the vibration testing device further includes a third pushing assembly, the third pushing assembly is disposed on the base and located above the fixing member, and a pushing direction of the third pushing assembly faces one side of the fixing member.
Optionally, the vibration testing device further comprises a display module, the display module is arranged on one side of the base, and the display module is electrically connected with the controller.
According to the technology, the television is fixed on the base in an automatic mode, and the controller controls the first pushing assembly and the second pushing assembly to sequentially carry out vibration detection on the television from two directions. Therefore, labor cost is reduced, detection efficiency is improved, the first pushing assembly and the second pushing assembly are used for testing, pushing force can be kept consistent, and detection accuracy is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a vibration testing apparatus according to the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 10 | First pushing assembly | 11 | Z-axis adjusting rod |
| 12 | Y- |
13 | |
| 14 | |
20 | |
| 30 | |
40 | |
| 50 | Base seat |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides a vibration testing device, please refer to fig. 1, the vibration testing device comprises a base 50, a fixing member 40, a first pushing assembly 10, a second pushing assembly 20 and a controller, wherein the fixing member 40 is arranged on the base 50, and the fixing member 40 is used for fixing a device to be tested; the first pushing assembly 10 is arranged on the base 50, and the pushing direction of the first pushing assembly 10 is towards the first side of the fixing member 40; the second pushing assembly 20 is arranged on the base 50, the pushing direction of the second pushing assembly 20 is towards the second side of the fixing member 40, and the direction of the first side is perpendicular to the direction of the second side; the controller respectively with first promotion subassembly 10 reaches second promotion subassembly 20 electricity is connected, the controller is used for controlling first promotion subassembly 10 carries out vibration test to the equipment that awaits measuring, treats first promotion subassembly 10 test is finished the back control second promotion subassembly 20 carries out vibration test to the equipment that awaits measuring.
The base 50 is used for being fixed on an external structure, such as a ground, and an upward side thereof is used for placing and fixing a device to be tested, which is exemplified by a television in the embodiment. The mounting 40 sets up base 50 one side up, wherein, mounting 40 is including two limiting plates, two the limiting plate sets up relatively, just the relative one end upwarping of limiting plate to 50 shapes of adaptation TV set base, thereby with the joint respectively two at the both ends of TV set base 50 on the limiting plate, in order to realize fixed TV set base 50 functions.
In this embodiment, the number of the first pushing assemblies 10 may be two, and the two first pushing assemblies 10 are oppositely disposed on the front and rear sides of the fixing member 40, so that a pushing force can be respectively applied to the front and rear sides of the television to detect the television; similarly, the quantity that the second promoted subassembly 20 also can set up to two, will two the second promoted subassembly 20 sets up relatively the left and right sides of mounting 40 to can all exert a thrust in the TV set left and right sides respectively, with detect the TV set, thereby guarantee to detect authenticity and the comprehensiveness of data. It is understood that the first pushing assembly 10 is located at the front and rear sides of the fixing member 40, and the second pushing assembly 20 is located at the left and right sides of the fixing member 40, i.e. the first side and the second side are perpendicular to each other in this embodiment, and the pushing directions of the first pushing assembly 10 and the second pushing assembly 20 are also perpendicular to each other. The coordinate system is taken as an example for explanation, that is, the first side is parallel to the X-axis, and the second side is parallel to the Y-axis.
The vibration testing device is connected with an external power supply to realize power supply, the controller controls starting and stopping, and meanwhile, the controller is respectively and electrically connected with the first pushing assembly 10 and the second pushing assembly 20 so as to detect the vibration of the television through the controller. The controller controls the first pushing assembly 10 to move to abut against the television and then continuously move to simulate the process of applying thrust to the front and back directions of the television, so that the television swings back and forth on the television base 50, and the purpose of testing the durability of the television base 50 in the front and back directions is achieved; after the first pushing assembly 10 is controlled to move for a preset number of times (for example, 3000 times to 5000 times), the second pushing assembly 20 is controlled to move to abut against the television, and then the second pushing assembly continues to move to simulate a process of applying a pushing force to the left and right directions of the television, so that the television swings left and right on the television base 50, and the purpose of testing the durability of the television base 50 in the left and right directions is achieved. Similarly, after the second pushing assembly 20 is controlled to move for a preset number of times, whether the television base 50 has the problems of cracking or loosening and the like is observed, so that whether the television has quality problems or not is judged.
It should be noted that, in this embodiment, the camera may be further arranged to collect image information of the television base 50, so that an operator may remotely determine through the image information, or even automatically determine a quality problem of the television by analyzing the image information. The automation degree and the detection efficiency of the vibration testing device are further improved.
In the technology of the invention, the television is fixed on the base 50 in an automatic mode, and the controller controls the first pushing assembly 10 and the second pushing assembly 20 to sequentially carry out vibration detection on the television from two directions. Therefore, labor cost is reduced, detection efficiency is improved, and the first pushing assembly 10 and the second pushing assembly 20 are used for testing, so that pushing force can be kept consistent, and detection accuracy is improved.
Further, the vibration testing device further comprises a first sensing part, the first sensing part is arranged on the first pushing assembly 10 and electrically connected with the controller, and the first sensing part is used for detecting the equipment to be tested and sending a first sensing signal to the controller; the controller is further configured to receive the first sensing signal, and control the first pushing assembly 10 to perform a vibration test on the device to be tested according to the first sensing signal. The vibration testing device further comprises a second sensing part, the second sensing part is arranged on the second pushing assembly 20 and is electrically connected with the controller, and the second sensing part is used for detecting equipment to be tested and sending a second sensing signal to the controller; the controller is further configured to receive the second sensing signal, and control the second pushing assembly 20 to perform a vibration test on the device to be tested according to the first detection signal and the second sensing signal.
In this embodiment, whether the television reaches the station is first detected by the first sensing member, that is, whether the television is normally clamped on the fixing member 40. When the first induction piece detects that the television reaches the station, the first induction signal is sent to the controller, and after the controller receives the first induction information, the first pushing assembly 10 is controlled to start a vibration test. Therefore, the situation that the television is not fixed in place or inclines in the fixing process is prevented, and the reliability and the stability of the vibration testing device are improved. The first sensing part can judge through a mode that a camera shoots Tuxiang information, or detect whether the television correctly arrives at a station by arranging a pressure sensor and the like on the fixing part 40.
In order to ensure the continuity and reliability of the detection of the vibration testing apparatus of the present invention, after the first pushing assembly 10 is tested, the controller needs to immediately control the second pushing assembly 20 to continue testing the television. In an embodiment, before the detection, the time duration of each time the first pushing assembly 10 is pushed may be measured in advance, the total time duration of the detection of the first pushing assembly 10 is calculated according to the detection times, and the total time duration is used as an interval time duration, so that after the controller receives the first sensing signal and the interval time duration passes, the controller directly controls the second pushing assembly 20 to perform the test.
As another embodiment, the vibration testing apparatus further includes a first detecting element, the first detecting element is disposed on the first pushing assembly 10, the first detecting element is electrically connected to the controller, and the first detecting element is configured to detect the pushing times of the first pushing assembly 10 and send a first detecting signal to the controller; the controller is further configured to receive the first detection signal, and control the first pushing assembly 10 to stop testing according to the first detection signal. In this embodiment, the pushing times of the first pushing assembly 10 are detected by the first detecting assembly, when the pushing times of the first pushing assembly 10 reach a preset number, the first detecting signal is sent to the controller, and after the controller receives the first detecting signal, the controller indicates that the test of the first pushing assembly 10 is completed, and controls the second pushing assembly 20 to perform the detection.
It should be noted that, the second pushing assembly 20 detects the television again through the second sensing member between pushing tests, so as to prevent the television from shifting or falling during the detection process of the first pushing assembly 10. When the television is detected to be normal, the second sensing type is sent to the controller, and the controller controls the second pushing assembly 20 to detect after receiving the second sensing information and the first detection signal, so that the reliability and the stability of the vibration testing device are further improved.
It can be understood that, in this embodiment, the vibration testing apparatus further includes a third pushing assembly 30, the third pushing assembly 30 is disposed on the base 50 and above the fixing member 40, and a pushing direction of the third pushing assembly 30 is toward one side of the fixing member 40. The second detecting member sends a second detecting signal to the controller when detecting that the pushing frequency of the second pushing assembly 20 reaches a preset frequency. Similarly, the controller controls the third pushing assembly 30 to perform detection after receiving the second detection signal. The third pushing assembly 30 can be disposed above the fixing member 40 to apply a pushing force to the top of the tv toward the tv base 50, thereby detecting the weight bearing capability of the tv base 50. It should be noted that, in this embodiment, a third detecting element and a third sensing element may also be disposed on the third pushing assembly 30, so as to feed back the controller, facilitate the controller to perform the next operation, and ensure the smoothness of the detection process of the vibration testing apparatus of the present invention.
Further, the first pushing assembly 10 includes a mounting frame, a fixing plate 13 and a driving cylinder 14, wherein the mounting frame is disposed on the base 50; the fixing plate 13 is arranged on the mounting frame; the driving cylinder 14 is movably disposed at the fixed plate 13, and a piston rod of the driving cylinder 14 moves toward one side of the fixing member 40. In this embodiment, the first pushing assembly 10, the second pushing assembly 20 and the third pushing assembly 30 may adopt similar structures. The mounting bracket adopts a three-axis moving bracket, the fixed plate 13 can move on the mounting bracket along the Y-axis direction and the Z-axis direction, and the driving cylinder 14 can move on the fixed plate 13 along the X-axis direction. By adjusting the position of the mounting rack and the position of the driving cylinder 14, the television set can be compatible with different models of televisions.
In this embodiment, the piston rod is driven by the driving cylinder 14 to move towards the television to simulate the process of pushing the television. In order to prevent the piston rod from damaging the television set, a cushion can be provided on the piston rod.
According to the above, in this embodiment, the first detecting member and the second detecting member may employ an optical coupler sensor, which is disposed on the moving path of the piston rod, and the number of times the piston rod blocks the optical path is detected to achieve the purpose of detecting the number of times of pushing. In addition, the first detection member and the second detection member may be provided with an electromagnetic sensor, and the electromagnetic sensor is provided on an electromagnetic valve of a pneumatic pipeline of the driving cylinder 14, so that the purpose of detecting the pushing times is achieved.
Further, the mounting rack comprises a Z-axis adjusting rod 11 and a Y-axis adjusting rod 12, and the Z-axis adjusting rod 11 is arranged on the base 50; the Y-axis adjusting lever 12 is provided on the Y-axis adjusting lever 12. In this embodiment, in order to ensure the stability of the mounting rack, the two Z-axis adjusting rods 11 may be vertically and oppositely disposed on the base 50, two ends of the Y-axis adjusting rod 12 are respectively connected to the two Z-axis adjusting rods 11, and the fixing plate 13 is disposed on the Y-axis adjusting rod 12.
It should be noted that, in this embodiment, the adjusting rod may adopt a mode of sleeving the first connecting pipe on the second connecting pipe, wherein the inner diameter of the second connecting pipe is the same as the outer diameter of the first connecting pipe, so that the first connecting pipe can be movably disposed in the second connecting pipe, a bolt may be disposed at a connection position of the first connecting pipe, and the first connecting pipe is abutted to the second connecting pipe by tightening the bolt, thereby achieving the purpose of adjusting the length.
Further, the vibration testing device further comprises a display module, the display module is arranged on one side of the base 50, and the display module is electrically connected with the controller. The operator can interact through the display module, so that the controller is controlled to perform corresponding operation, and the convenience degree of the vibration testing device is improved.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A vibration testing apparatus, comprising:
a base;
the fixing piece is arranged on the base and used for fixing equipment to be tested;
the first pushing assembly is arranged on the base, and the pushing direction of the first pushing assembly faces to the first side of the fixing piece;
the second pushing assembly is arranged on the base, the pushing direction of the second pushing assembly faces to the second side of the fixing piece, and the direction of the first side is perpendicular to the direction of the second side;
the controller is respectively electrically connected with the first pushing assembly and the second pushing assembly and used for controlling the first pushing assembly to carry out vibration testing on the equipment to be tested, and after the first pushing assembly finishes the testing, the second pushing assembly is controlled to carry out vibration testing on the equipment to be tested.
2. The vibration testing device of claim 1, further comprising a first sensing member disposed on the first pushing assembly, the first sensing member being electrically connected to the controller, the first sensing member being configured to detect a device to be tested and send a first sensing signal to the controller;
the controller is further used for receiving the first induction signal and controlling the first pushing assembly to conduct vibration testing on the device to be tested according to the first induction signal.
3. The vibration testing device according to claim 2, further comprising a first detecting member disposed on the first pushing assembly, the first detecting member being electrically connected to the controller, the first detecting member being configured to detect a number of times of pushing of the first pushing assembly and send a first detection signal to the controller;
the controller is further used for receiving the first detection signal and controlling the first pushing assembly to stop testing according to the first detection signal.
4. The vibration testing device of claim 3, further comprising a second sensing member disposed on the second pushing assembly, the second sensing member being electrically connected to the controller, the second sensing member being configured to detect a device to be tested and send a second sensing signal to the controller;
the controller is further used for receiving the second sensing signal and controlling the second pushing assembly to carry out vibration testing on the device to be tested according to the first detection signal and the second sensing signal.
5. The vibration testing device according to claim 4, further comprising a second detecting member disposed on the second pushing assembly, the second detecting member being electrically connected to the controller, the second detecting member being configured to detect the number of times of pushing of the second pushing assembly and send a second detection signal to the controller;
the controller is further used for receiving the second detection signal and controlling the second pushing assembly to stop testing according to the second detection signal.
6. The vibration testing apparatus of claim 1, wherein the first pushing assembly comprises:
the mounting rack is arranged on the base;
a fixing plate disposed on the mounting bracket;
the driving cylinder is movably arranged on the fixing plate, and a piston rod of the driving cylinder moves towards one side of the fixing piece.
7. The vibration testing apparatus of claim 6, wherein the first pushing assembly further comprises a pressure regulating valve disposed on the driving cylinder to regulate the pushing force of the driving cylinder.
8. The vibration testing apparatus of claim 6, wherein the mounting bracket comprises:
the Z-axis adjusting rod is arranged on the base;
and the Y-axis adjusting rod is arranged on the Y-axis adjusting rod.
9. The vibration testing device according to claim 1, further comprising a third pushing assembly, wherein the third pushing assembly is disposed on the base and located above the fixing member, and a pushing direction of the third pushing assembly faces one side of the fixing member.
10. The vibration testing device of claim 1, further comprising a display module disposed on a side of the base, the display module being electrically connected to the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111214113.8A CN113899511B (en) | 2021-10-18 | 2021-10-18 | Vibration testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111214113.8A CN113899511B (en) | 2021-10-18 | 2021-10-18 | Vibration testing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113899511A true CN113899511A (en) | 2022-01-07 |
| CN113899511B CN113899511B (en) | 2024-01-26 |
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| CN202111214113.8A Active CN113899511B (en) | 2021-10-18 | 2021-10-18 | Vibration testing device |
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| CN (1) | CN113899511B (en) |
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| Publication number | Publication date |
|---|---|
| CN113899511B (en) | 2024-01-26 |
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