Noise acquisition and analysis device
By designing a noise acquisition and analysis device including a mounting table, a fixing ring, an adjustment box and a power motor, the problem of difficulty in collecting external noise in the prior art is solved, and the analysis of noise differences inside and outside the vehicle and the acquisition of specific noise reduction data is realized, which enhances the stability and practicality of the device.
Patent Information
- Application Number
- CN202421991616.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-16
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-08-16
AI Technical Summary
The existing noise acquisition device can only collect internal noise of the vehicle, making it difficult to collect external noise of the vehicle, so it is impossible to analyze the noise difference between the internal and external vehicles, and it is impossible to obtain specific noise reduction data. The vibration generated during the vehicle's driving may affect the collection of noise.
A noise acquisition and analysis device is designed, including a mounting table, an upper fixing ring, a lower fixing ring, an adjustment box, a threaded rod, a lifting seat, a noise acquisition box and a noise analyzer. Through the connection between the upper fixing ring and the lower fixing ring, the device can be fixed to the rearview mirror connecting rod outside the vehicle. The damping buffer and anti-slip pad are used for stable installation. The power motor and bevel gear drive the threaded rod to rotate, causing the noise acquisition box to move at different heights and collect noise data at different heights.
It realizes the collection and analysis of external noise of the vehicle, and can collect noise of different heights when the vehicle is driving, obtaining more comprehensive data. The device is firmly installed, easy to disassemble, and easy to carry, increasing the practicality of the device.
Smart Images
Figure CN222824078U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of noise collection equipment, in particular to a noise collection and analysis device. Background Art
[0002] During the vehicle design process, it is usually necessary to conduct noise tests inside and outside the vehicle. The noise reduction effect is analyzed by comparing the noise difference between the outside and inside of the vehicle during driving. The greater the noise difference between the outside and inside of the vehicle, the better the noise reduction effect, thereby determining whether the noise value inside the vehicle meets the design requirements of the vehicle.
[0003] The patent with the publication number CN214894079U and the name of a noise collection device discloses a noise collection device, including a sound collection part, a support part and a fixing part, the support part is arranged between the sound collection part and the fixing part, the sound collection part is connected to the first end of the support part, the sound collection part is provided with a first accommodating cavity, the first accommodating cavity includes an accommodating groove and an accommodating hole that are interconnected, a sound sensor is built into the accommodating hole, and the transmission line of the sound sensor is passed through the accommodating groove, the second end of the support part is connected to the first end of the fixing part, and the second end of the fixing part is detachably connected to the seat of the vehicle. In this way, by fixing the sound sensor in the accommodating hole of the sound collection part, the noise collection device can be adjusted on the vehicle through the fixing part to collect noise at different positions on the vehicle. The patent technology has shortcomings in the actual application process. The device can only collect the noise inside the vehicle, and it is difficult to collect the noise outside the vehicle, so that the noise difference inside and outside the vehicle cannot be analyzed, and specific noise reduction data cannot be obtained. In addition, the vibration generated by the vehicle during driving may affect the collection of noise. Utility Model Content
[0004] The utility model aims to solve the shortcomings in the prior art and proposes a noise collection and analysis device.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A noise collection and analysis device comprises a mounting platform, wherein an upper fixing ring is fixedly connected to the lower surface of the mounting platform, a rotating wheel is fixedly connected to the lower end of one side of the upper fixing ring, a lower fixing ring is rotatably connected to the inside of the rotating wheel, an adjusting box is fixedly connected to the front side of the mounting platform, a threaded rod is rotatably connected to the inside of the adjusting box, a lifting seat is threadedly sleeved on the surface of the threaded rod, a noise collection box is fixedly connected to the front side of the lifting seat, a noise analyzer is fixedly connected to the back side of the mounting platform, a slot is fixedly connected to the lower end of the other side of the upper fixing ring, and an elastic clamping plate matched with the slot is fixedly connected to the upper end of one side of the lower fixing ring.
[0007] As a further improvement of the utility model, a plurality of damping buffers are fixedly connected inside the upper fixing ring and the lower fixing ring, and one end of the damping buffer is fixedly connected to a limiting ring.
[0008] As a further improvement of the present invention, a non-slip pad is fixedly mounted on the inner wall of the limiting ring, and the material of the non-slip pad is rubber.
[0009] As a further improvement of the utility model, a power motor is fixedly connected to the upper surface of the mounting platform, a first bevel gear is fixedly connected to the power end of the power motor, a second bevel gear is fixedly connected to the surface of the upper end of the threaded rod, and the first bevel gear is meshed with the second bevel gear.
[0010] As a further improvement of the utility model, sliding grooves are provided on both sides of the inner wall of the adjustment box, and sliding rods adapted to the sliding grooves are fixedly connected to both sides of the lifting seat.
[0011] As a further improvement of the utility model, a transmission line is fixedly connected to the upper surface of the noise collection box, the other end of the transmission line is fixedly connected to the noise analyzer, and a protective shell is fixedly connected to the upper surface of the mounting platform.
[0012] Beneficial effects of the utility model:
[0013] By setting an upper fixing ring and a lower fixing ring, when in use, the lower fixing ring is rotated to insert the elastic card into the card slot of the upper fixing ring to complete the connection between the upper fixing ring and the lower fixing ring, so that the device is fixed to the rearview mirror connecting rod outside the vehicle through the upper fixing ring and the lower fixing ring. The damping buffer can prevent the vibration of the vehicle during driving from affecting the operation of the device, and the anti-slip pad can make the device more stable, so that the device can be easily and quickly installed on the outside of the vehicle, and the disassembly is simple, the installation is firm, and it is easy to carry, which increases the practicality of the device.
[0014] By setting a threaded rod and a lifting seat, when in use, the power motor is started to drive the threaded rod to rotate through the first bevel gear and the second bevel gear, and the lifting seat drives the noise collection box to move on the threaded rod. The noise collection box inputs the noise data of different heights into the noise analyzer through the transmission line, so that the device can collect and analyze noises of different heights when the vehicle is driving, thereby obtaining more comprehensive data. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a structural schematic diagram of a noise collection and analysis device proposed by the utility model;
[0016] Figure 2 This is a schematic diagram of the back structure of a noise collection and analysis device proposed by the utility model;
[0017] Figure 3 A schematic diagram of the structure of a regulating box of a noise collection and analysis device proposed by the utility model;
[0018] Figure 4 The present invention is a schematic structural diagram of a fixing ring of a noise collection and analysis device proposed by the present invention.
[0019] In the figure: 1 mounting platform, 2 upper fixing ring, 3 rotating wheel, 4 lower fixing ring, 5 adjusting box, 6 threaded rod, 7 lifting seat, 8 noise collection box, 9 noise analyzer, 10 slot part, 11 elastic card plate, 12 damping buffer, 13 limiting ring, 14 anti-skid cushion, 15 power motor, 16 first bevel gear, 17 second bevel gear, 18 slide groove, 19 slide rod, 20 transmission line, 21 protective shell. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely 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, rather than all of the embodiments.
[0021] Reference Figure 1-Figure 4 A noise collection and analysis device comprises a mounting platform 1, an upper fixing ring 2 is fixedly connected to the lower surface of the mounting platform 1, a rotating wheel part 3 is fixedly connected to the lower end of one side of the upper fixing ring 2, a lower fixing ring 4 is rotatably connected to the inside of the rotating wheel part 3, an adjusting box 5 is fixedly connected to the front of the mounting platform 1, a threaded rod 6 is rotatably connected to the inside of the adjusting box 5, a lifting seat 7 is threadedly sleeved on the surface of the threaded rod 6, a noise collection box 8 is fixedly connected to the front of the lifting seat 7, a noise analyzer 9 is fixedly connected to the back of the mounting platform 1, a slot part 10 is fixedly connected to the lower end of the other side of the upper fixing ring 2, and an elastic clamping plate 11 adapted to the slot part 10 is fixedly connected to the upper end of one side of the lower fixing ring 4.
[0022] In the utility model, a plurality of damping buffers 12 are fixedly connected to the interior of the upper fixing ring 2 and the lower fixing ring 4. One end of the damping buffer 12 is fixedly connected to a limit ring 13. An anti-skid pad 14 is fixedly installed on the inner wall of the limit ring 13. The material of the anti-skid pad 14 is rubber. The damping buffer 12 can prevent the vibration of the vehicle from affecting the operation of the device. The anti-skid pad 14 can increase the friction force, making the device more stable when fixed.
[0023] A power motor 15 is fixedly connected to the upper surface of the mounting platform 1, and a first bevel gear 16 is fixedly connected to the power end of the power motor 15. A second bevel gear 17 is fixedly connected to the surface of the upper end of the threaded rod 6, and the first bevel gear 16 is meshed with the second bevel gear 17. Slide grooves 18 are provided on both sides of the inner wall of the adjustment box 5, and slide rods 19 adapted to the slide grooves 18 are fixedly connected to both sides of the lifting seat 7. A transmission line 20 is fixedly connected to the upper surface of the noise collection box 8, and the other end of the transmission line 20 is fixedly connected to the noise analyzer 9. A protective shell 21 is fixedly connected to the upper surface of the mounting platform 1, and the first bevel gear 16, the second bevel gear 17 and the threaded rod 6 are driven to rotate synchronously by the power motor 15, and the protective shell 21 can protect the power motor 15 from damage.
[0024] When the utility model is used, firstly, the limiting ring 13 of the upper fixing ring 2 of the device is placed above the rearview mirror connecting rod of the vehicle, the lower fixing ring 4 is rotated to insert the elastic card plate 11 into the card slot 10 of the upper fixing ring 2, and the connection between the upper fixing ring 2 and the lower fixing ring 4 is completed, so that the limiting ring 13 fixes the device to the outside of the vehicle, the damping buffer 12 can prevent the vibration of the vehicle during driving from affecting the operation of the device, and the anti-skid cushion 14 can make the device more stable, and then the vehicle is started to collect the noise outside the vehicle during driving, the power motor 15 is started to drive the threaded rod 6 to rotate through the first bevel gear 16 and the second bevel gear 17, and the lifting seat 7 drives the noise collection box 8 to move on the threaded rod 6, and the noise collection box 8 inputs the noise data of different heights into the noise analyzer 9 through the transmission line 20, and finally the vehicle is stopped, the elastic card plate 11 is pressed to separate it from the card slot 10, so that the device is removed, and the data collected by the device is compared and analyzed with the noise in the vehicle to obtain more detailed data.
[0025] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A noise collection and analysis device, comprising a mounting platform (1), characterized in that: The lower surface of the mounting platform (1) is fixedly connected to an upper fixing ring (2), the lower end of one side of the upper fixing ring (2) is fixedly connected to a rotating wheel (3), the interior of the rotating wheel (3) is rotatably connected to a lower fixing ring (4), the front of the mounting platform (1) is fixedly connected to an adjusting box (5), the interior of the adjusting box (5) is rotatably connected to a threaded rod (6), the surface of the threaded rod (6) is threadedly sleeved with a lifting seat (7), the front of the lifting seat (7) is fixedly connected to a noise collection box (8), the back of the mounting platform (1) is fixedly connected to a noise analyzer (9), the lower end of the other side of the upper fixing ring (2) is fixedly connected to a slot member (10), and the upper end of one side of the lower fixing ring (4) is fixedly connected to an elastic clamping plate (11) adapted to the slot member (10).
2. A noise collection and analysis device according to claim 1, characterized in that: A plurality of damping buffers (12) are fixedly connected inside the upper fixing ring (2) and the lower fixing ring (4), and one end of the damping buffer (12) is fixedly connected to a limiting ring (13).
3. A noise collection and analysis device according to claim 2, characterized in that: An anti-skid pad (14) is fixedly mounted on the inner wall of the limiting ring (13), and the anti-skid pad (14) is made of rubber.
4. A noise collection and analysis device according to claim 1, characterized in that: A power motor (15) is fixedly connected to the upper surface of the mounting platform (1), a power end of the power motor (15) is fixedly connected to a first bevel gear (16), a second bevel gear (17) is fixedly connected to the upper surface of the threaded rod (6), and the first bevel gear (16) is meshed with the second bevel gear (17).
5. The noise collection and analysis device according to claim 1, characterized in that: Slide grooves (18) are provided on both sides of the inner wall of the regulating box (5), and slide rods (19) adapted to the slide grooves (18) are fixedly connected to both sides of the lifting seat (7).
6. The noise collection and analysis device according to claim 1, characterized in that: A transmission line (20) is fixedly connected to the upper surface of the noise collection box (8), the other end of the transmission line (20) is fixedly connected to the noise analyzer (9), and a protective shell (21) is fixedly connected to the upper surface of the mounting platform (1).