Servo motor vibration noise testing device
By designing a servo motor vibration noise test device, using the combination of detection box, limiting component and detection component, the problems of low motor quality detection efficiency and single test points in the prior art are solved, and efficient and accurate motor status detection in complex environments are achieved.
Patent Information
- Application Number
- CN202421919586.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-08
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-08-08
AI Technical Summary
The prior art cannot accurately and efficiently detect the quality of the motor for a long time in complex and noisy environments, and the noise detection device has a single test point, which cannot accurately and comprehensively reflect the operating status of the generator.
A servo motor vibration noise testing device is designed, including a detection box, a limiting assembly and a detection assembly. Soundproof cotton is installed in the detection box, the limiting assembly includes an electric telescopic rod and a sound level meter, and the detection assembly includes a data acquisition unit, a control module, a display device and a data storage module.
Through multi-directional detection and noise isolation, the operating status of the generator can be accurately and comprehensively reflected, improving the detection efficiency and accuracy in complex environments.
Smart Images
Figure CN222774107U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of motor detection, in particular to a servo motor vibration noise testing device. Background Art
[0002] Servo motors can control speed and position with high accuracy. They can convert voltage signals into torque and speed to drive the controlled object. The rotor speed of the servo motor is controlled by the input signal and can respond quickly. In the automatic control system, it is used as an actuator and has the characteristics of small electromechanical time constant and high linearity. It can convert the received electrical signal into angular displacement or angular velocity output on the motor shaft. It is divided into two categories: DC and AC servo motors. In order to make the product have a better user experience, manufacturers of smart homes, household appliances, etc. have very high quality requirements for DC motors. They must not only operate reliably but also not make any abnormal noise during operation.
[0003] The prior art still has the following deficiencies:
[0004] The prior art cannot accurately and efficiently detect the quality of the motor for a long time in a complex and noisy environment. At the same time, the noise detection device in the prior art has a single test point and cannot accurately and comprehensively reflect the operating status of the generator. Utility Model Content
[0005] The utility model provides a servo motor vibration noise testing device, aiming to solve the problem that the prior art cannot accurately and efficiently detect the quality of the motor for a long time in a complex and noisy environment, and at the same time, the noise detection device in the prior art has a single test point and cannot accurately and comprehensively reflect the operating status of the generator.
[0006] The utility model is implemented as follows: a servo motor vibration and noise testing device comprises: a detection box, the interior of the detection box is provided with sound insulation cotton, and the interior of the detection box is provided with a limit assembly and a detection assembly; a support plate is provided at the inner bottom end of the detection box, a limit slot frame is fixedly connected to the support plate, a connecting hole is provided in the middle of the support plate, and the connecting hole is connected to the limit slot frame; the detection assembly comprises a data acquisition unit, a control module, a display device and a data storage module installed at the inner bottom end of the detection box, and the data acquisition unit, the data storage module and the display device are all electrically connected to the control module.
[0007] Preferably, the limit assembly also includes electric telescopic rods installed around the inside of the detection box; the telescopic ends of the four electric telescopic rods are respectively fixedly connected to the limit plates; the four limit plates are respectively provided with positioning plates on each side where two of them are close to each other, and mounting holes are opened in the middle of the four positioning plates.
[0008] Preferably, the insides of the four mounting holes are respectively detachably fixedly connected with first sound level meters, and the four first sound level meters are all electrically connected to the data acquisition unit.
[0009] Preferably, a plurality of dampers are installed between the four positioning plates and the four limiting plates, and buffer springs are sleeved on the plurality of dampers.
[0010] Preferably, a second sound level meter is installed at the bottom of the connecting hole, and the second sound level meter is electrically connected to the data acquisition unit.
[0011] Preferably, a cylinder is fixedly connected to the middle of the top of the detection box, a telescopic end of the cylinder is fixedly connected to a fixing seat, a third sound level meter is installed on the fixing seat, and the third sound level meter is electrically connected to the data acquisition unit.
[0012] Compared with the prior art, the embodiments of the present application have the following beneficial effects:
[0013] By setting up detection components and limit components, it is convenient to detect the motor in all directions, so as to accurately and comprehensively reflect the operating status of the generator. By testing inside the detection box and setting sound insulation cotton on the inner wall of the detection box, it is convenient to isolate external noise. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a front view structural schematic diagram of the utility model;
[0015] Figure 2 It is a schematic diagram of the cross-sectional structure of the inner wall of the detection box of the utility model;
[0016] Figure 3 This utility model Figure 1 The enlarged structural diagram at A in the middle;
[0017] In the figure: 1. detection box; 2. limit assembly; 3. support plate; 4. limit slot frame; 5. connecting hole; 6. second sound level meter; 7. electric telescopic rod; 8. limit plate; 9. positioning plate; 10. damper; 11. buffer spring; 12. mounting hole; 13. first sound level meter; 14. data acquisition unit; 15. control module; 16. display device; 17. cylinder; 18. fixing seat; 19. third sound level meter; 20. sound insulation cotton. DETAILED DESCRIPTION
[0018] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of this application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.
[0019] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.
[0020] The utility model provides a servo motor vibration noise test device, such as Figure 1-3 As shown, it includes: a detection box 1, a sound insulation cotton 20 is arranged inside the detection box 1, and a limit component 2 and a detection component are arranged inside the detection box 1; a support plate 3 is arranged at the bottom end of the inner part of the detection box 1, and a limit slot frame 4 is fixedly connected to the support plate 3, and a connecting hole 5 is provided in the middle of the support plate 3, and the connecting hole 5 is connected to the limit slot frame 4; the detection component includes a data acquisition unit 14, a control module 15, and a display device 16 and a data storage module installed on the outside of the detection box 1 at the bottom end of the inner part of the detection box 1, and the data acquisition unit 14, the data storage module and the display device 16 are all electrically connected to the control module 15.
[0021] It should be noted that since the prior art cannot accurately and efficiently detect the quality of the motor for a long time in a complex and noisy environment, and the noise detection device in the prior art has a single test point and cannot accurately and comprehensively reflect the operating status of the generator, this solution facilitates multi-directional detection of the motor by setting a detection component and a limit component 2, so as to accurately and comprehensively reflect the operating status of the generator, and detects inside the detection box 1 and sets sound insulation cotton 20 on the inner wall of the detection box 1 to isolate external noise.
[0022] In a further preferred embodiment of the present invention, Figure 1-3 As shown, the limit assembly 2 also includes electric telescopic rods 7 installed around the inside of the detection box 1; the telescopic ends of the four electric telescopic rods 7 are respectively fixedly connected to the limit plates 8; the four limit plates 8 are respectively provided with positioning plates 9 on each side where two of them are close to each other, and the middle of the four positioning plates 9 are provided with mounting holes 12.
[0023] In this embodiment, it is convenient to limit the position of motors of different sizes.
[0024] In a further preferred embodiment of the present invention, Figure 1-3 As shown, the first sound level meters 13 are detachably fixedly connected inside the four mounting holes 12 , and the four first sound level meters 13 are all electrically connected to the data acquisition unit 14 .
[0025] In this embodiment, it is convenient to detect the noise generated around the motor.
[0026] In a further preferred embodiment of the present invention, Figure 1-3 As shown, a plurality of dampers 10 are installed between the four positioning plates 9 and the four limiting plates 8 , and buffer springs 11 are sleeved on the plurality of dampers 10 .
[0027] In this embodiment, vibration reduction is performed when the vibration of the motor is too large.
[0028] In a further preferred embodiment of the present invention, Figure 1 As shown, a second sound level meter 6 is installed at the bottom of the connecting hole 5 , and the second sound level meter 6 is electrically connected to the data acquisition unit 14 .
[0029] In this embodiment, it is convenient to detect the bottom.
[0030] In a further preferred embodiment of the present invention, Figure 1 As shown, a cylinder 17 is fixedly connected to the middle of the top of the detection box 1, and a fixing seat 18 is fixedly connected to the telescopic end of the cylinder 17. A third sound level meter 19 is installed on the fixing seat 18, and the third sound level meter 19 is electrically connected to the data acquisition unit 14.
[0031] In this embodiment, it is convenient to fix the top of the motor and detect the upper end at the same time. The noise is transmitted to the data acquisition unit 14 through the sound level meter, and the display device 16 is controlled by the control module 15 to display the data results. The display device 16 and the sound level meter are both existing technologies, and this technology will not be described in detail.
[0032] It should be noted that, for the above-mentioned embodiments, for the sake of simplicity, they are all described as a series of action combinations, but those skilled in the art should know that the utility model is not limited by the described action sequence, because according to the utility model, some steps may be performed in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the utility model.
[0033] In the several embodiments provided in the present application, it should be understood that the disclosed devices can be implemented in other ways. For example, the device embodiments described above are merely schematic, such as the division of the above-mentioned units. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or communication connection shown or discussed can be through some interfaces, and the indirect coupling or communication connection between devices or units can be in the form of telecommunication or other forms.
[0034] The units described above as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
[0035] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the utility model according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope of protection of the utility model.
Claims
1. Servo motor vibration and noise testing device, characterized in that: include: A detection box (1), wherein a sound insulation cotton (20) is arranged inside the detection box (1), and a limit component (2) and a detection component are arranged inside the detection box (1); A support plate (3) is provided at the inner bottom end of the detection box (1), a limit slot frame (4) is fixedly connected to the support plate (3), a connecting hole (5) is provided in the middle of the support plate (3), and the connecting hole (5) is connected to the limit slot frame (4); The detection assembly comprises a data acquisition unit (14) arranged at the bottom of the detection box (1), a control module (15), a display device (16) and a data storage module installed outside the detection box (1); the data acquisition unit (14), the data storage module and the display device (16) are all electrically connected to the control module (15).
2. The servo motor vibration noise testing device according to claim 1, characterized in that: The limiting assembly (2) also includes an electric telescopic rod (7) installed around the inside of the detection box (1); The telescopic ends of the four electric telescopic rods (7) are respectively fixedly connected to the limit plates (8); A positioning plate (9) is provided on each of two mutually adjacent sides of the four limiting plates (8), and a mounting hole (12) is provided in the middle of each of the four positioning plates (9).
3. The servo motor vibration noise testing device according to claim 2, characterized in that: The insides of the four mounting holes (12) are respectively detachably fixedly connected with first sound level meters (13), and the four first sound level meters (13) are all electrically connected to the data acquisition unit (14).
4. The servo motor vibration noise testing device according to claim 3, characterized in that: A plurality of dampers (10) are installed between the four positioning plates (9) and the four limiting plates (8), and a buffer spring (11) is sleeved on each of the plurality of dampers (10).
5. The servo motor vibration noise testing device according to claim 1, characterized in that: A second sound level meter (6) is installed at the bottom of the communication hole (5), and the second sound level meter (6) is electrically connected to the data acquisition unit (14).
6. The servo motor vibration noise testing device according to claim 5, characterized in that: A cylinder (17) is fixedly connected to the middle of the top of the detection box (1), a fixed seat (18) is fixedly connected to the telescopic end of the cylinder (17), a third sound level meter (19) is installed on the fixed seat (18), and the third sound level meter (19) is electrically connected to the data acquisition unit (14).