Outdoor noise testing device

Abstract

The utility model relates to the field of outdoor noise testing, and discloses an outdoor noise testing device, which comprises a bracket; at least two stages of telescopic pipes are arranged, the later stage of telescopic pipe is arranged in the previous stage of telescopic pipe in a penetrating mode, and the first stage of telescopic pipe is hinged to the top of the support; the locking piece is arranged on the telescopic pipe and is used for locking and fixing the next-stage telescopic pipe on the previous-stage telescopic pipe; the telescopic power assembly is arranged on the first-stage telescopic pipe, abuts against the locking piece on the rear-stage telescopic pipe and is used for pushing out the rear-stage telescopic pipe by driving the locking piece on the rear-stage telescopic pipe; the noise sensor is arranged on the final-stage telescopic pipe and used for measuring outdoor noise; and the acquisition instrument is electrically connected with the noise sensor. According to the device, the at least two stages of telescopic pipes are arranged, and the telescopic pipes can extend to the point positions where the noise needs to be measured, so that the device is simple in structure, convenient to use, light, easy to transfer, capable of measuring the noise on the point positions where the noise needs to be measured without entering a home, time-saving, labor-saving and efficient.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of outdoor noise testing, in particular to an outdoor noise testing device. BACKGROUND

[0002] Noise problems are everywhere in daily life, interfering with the normal life of everyone, many people will choose to complain to the relevant departments to achieve the purpose of solving the problem, the residential area along the elevated line of the subway is very prominent in noise complaints, and it is necessary to take measures to solve the noise complaint problem, and it is also necessary to test the support for the noise sensor, which needs to be tested when the elevated vehicle passes, the single vehicle noise, background noise and one hour equivalent sound level when the subway passes. According to the specification requirements, the noise at 1 meter outside the sensitive building should be measured, and the low, medium and high floors should be measured. It is difficult to arrange the sound pressure sensor to the specification required position for the higher floors exceeding 3 floors, and it is necessary to communicate with the residents to measure the noise in the house, which is a complicated process. Therefore, it is necessary to design a supporting device to directly extend the noise sensor from the outdoor to the corresponding measurement point position. SUMMARY

[0003] In order to solve the above problems, the present application provides an outdoor noise testing device, which is provided with at least two levels of telescopic pipes, and the telescopic pipes can be extended to the point where the user needs to measure the noise. The device not only has a simple structure, but also is convenient, light and easy to transfer. At the same time, it can measure the noise at the required measurement point without entering the house, which is time-saving, labor-saving and efficient.

[0004] The outdoor noise testing device provided by the present application adopts the following technical scheme:

[0005] An outdoor noise testing device comprises:

[0006] a support;

[0007] at least two levels of telescopic pipes, the rear telescopic pipe is arranged in the front telescopic pipe, and the first telescopic pipe is hinged to the top of the support;

[0008] a locking member arranged on the telescopic pipe, used for locking and fixing the rear telescopic pipe on the front telescopic pipe;

[0009] a telescopic power assembly arranged on the first telescopic pipe and abutting against the locking member on the rear telescopic pipe, used for driving the locking member on the rear telescopic pipe to push out the rear telescopic pipe;

[0010] a noise sensor arranged on the last telescopic pipe, used for measuring outdoor noise; and

[0011] a collection instrument electrically connected with the noise sensor, used for generating outdoor noise data.

[0012] Preferably, the first level of the telescopic pipe is connected with the top ball of the support.

[0013] Preferably, the bottom of the first level of the telescopic pipe is provided with a spherical chute, and the top of the support is provided with a supporting ball, which is located in the spherical chute and slides in the spherical chute.

[0014] Preferably, the telescopic power assembly comprises a rack, a power gear, a power piece and a power line, the rack is slidingly connected to the first level of the telescopic pipe in the axial direction of the telescopic pipe, the power gear is rotationally connected to the first level of the telescopic pipe, and the power gear is engaged with the rack, the power line is fixed at both ends to the output end of the power piece and the shaft for driving the power gear to rotate, and the power piece drives the power gear to rotate through the power line.

[0015] Preferably, the connecting line for electrically connecting the noise sensor and the collection instrument is further provided, the connecting line is arranged in the telescopic pipe, the first transmission shaft is arranged on the first level of the telescopic pipe away from the last level of the telescopic pipe, and the connecting line is abutted to the first transmission shaft.

[0016] Preferably, the first level of the telescopic pipe is further provided with a transmission gear and a second transmission shaft, and the power line is abutted to the second transmission shaft and the shaft for driving the transmission gear to rotate.

[0017] Preferably, the support is a tripod.

[0018] Preferably, the bottom of the support is provided with a supporting plate.

[0019] Preferably, the box arranged on the ground and the power supply arranged in the box are further provided, the power supply is electrically connected with the power piece and the collection instrument, and the power piece is arranged in the box.

[0020] Preferably, a plurality of counterweights are further arranged in the box.

[0021] In summary, the present application has the following beneficial technical effects:

[0022] 1. The present application can extend the telescopic pipe to the point where the user needs to measure the noise, and the device is simple in structure, convenient and easy to transfer, and can measure the noise at the required measuring point without entering the house, which is time-saving, labor-saving and efficient.

[0023] 2. The present application connects the support frame and the first level of the telescopic pipe with a ball joint, which makes the angle adjustment of the first level of the telescopic pipe on the support frame more flexible, and makes the adjustment direction and angle more rapid and efficient, and reduces the labor intensity of the user.

[0024] 3. The first transmission shaft is arranged, and the connecting line is lapped on the first transmission shaft, thereby reducing the wear of the connecting line during transmission.

[0025] 4. The second transmission shaft is arranged, and the power line is lapped on the second transmission shaft, thereby reducing the wear of the power line during transmission.

[0026] 5. The weight of the box is increased by arranging a plurality of counterweights in the box, the balance of the telescopic pipe is improved, and the risk of the first telescopic pipe being tilted due to the telescopic pipe being extended is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 is a schematic diagram of the overall structure of an embodiment of the application.

[0028] Figure 2 is a schematic diagram of the extension structure of the multi-stage telescopic pipe in the embodiment of the application.

[0029] Reference signs: 100, support plate; 11, support; 111, support ball; 12, telescopic pipe; 121, sliding groove; 13, locking piece; 14, telescopic power assembly; 141, rack; 142, power gear; 143, power piece; 144, power line; 15, noise sensor; 16, acquisition instrument; 17, connecting line; 18, first transmission shaft; 19, transmission gear; 20, second transmission shaft; 21, box; 22, power supply; 23, counterweight. DETAILED DESCRIPTION

[0030] The application will be further described in detail below with reference to the accompanying drawings.

[0031] An outdoor noise testing device is disclosed in the embodiment of the application.

[0032] Referring to Figure 1 , the outdoor noise testing device comprises a support 11, a telescopic pipe 12, a locking piece 13, a telescopic power assembly 14, a noise sensor 15, and an acquisition instrument 16.

[0033] The support 11 is a tripod, in order to improve the stability of the support 11, a support plate 100 is placed at the bottom of the support 11, and then the support 11 is placed on the support plate 100.

[0034] Referring to Figure 1 and Figure 2, the number of the telescopic pipes 12 is at least two, the first telescopic pipe 12 is a square pipe, the last telescopic pipe 12 is a circular pipe, the last telescopic pipe 12 is arranged in the inside of the first telescopic pipe 12, and the last telescopic pipe 12 can rotate in the circumferential direction of the telescopic pipe 12 in the first telescopic pipe 12. The first telescopic pipe 12 is hingedly connected to the top of the support 11, the top of the support 11 is provided with a supporting ball 111, the bottom of the first telescopic pipe 12 is provided with a sliding groove 121, the cross section of the sliding groove 121 is a half circle, the supporting ball 111 is arranged in the sliding groove 121, and the supporting ball 111 can slide in the sliding groove 121. In the embodiment, the number of the telescopic pipes 12 is ten.

[0035] The locking piece 13 is arranged on the outer wall of the telescopic pipe 12, wherein one locking piece 13 is arranged on each telescopic pipe 12, and the locking piece 13 can lock and fix the last telescopic pipe 12 on the first telescopic pipe 12.

[0036] Referring to Figure 1 The telescopic power assembly 14 is arranged on the first telescopic pipe 12, and the telescopic power assembly 14 can abut against the locking piece 13 on the last telescopic pipe 12, so that the telescopic power assembly 14 drives the locking piece 13 on the last telescopic pipe 12 to push the last telescopic pipe 12 out of the first telescopic pipe 12.

[0037] The telescopic power assembly 14 comprises a rack 141, a power gear 142, a power piece 143 and a power line 144.

[0038] The rack 141 is slidingly connected to the first telescopic pipe 12 in the axial direction of the telescopic pipe 12, the top of the rack 141 can abut against the locking piece 13 on the last telescopic pipe 12, and the rack 141 pushes the last telescopic pipe 12 out of the first telescopic pipe 12 by tightly pressing the locking piece 13 on the last telescopic pipe 12. The power gear 142 is rotatably connected to the first telescopic pipe 12 through a rotating shaft, and the power gear 142 is located at one end of the first telescopic pipe 12 close to the locking piece 13, and the power gear 142 is engaged with the rack 141.

[0039] The power piece 143 can be placed on the ground or the supporting plate 100, and the power piece 143 can adopt a single motor or a combination of a motor and a speed reducer. The motor can adopt a servo motor, so that the distance of the last telescopic pipe 12 pushed out of the first telescopic pipe 12 can be more accurately controlled.

[0040] One end of the power line 144 is fixed on the rotating shaft of the power gear 142, the other end of the power line 144 is fixed on the output shaft of the power piece 143, and the power line 144 is wound on the rotating shaft of the power gear 142 and the output shaft of the power piece 143 for several turns in advance. The power piece 143 drives the power gear 142 to rotate through the power line 144, and then the power gear 142 drives the rack 141 to slide on the first telescopic pipe 12 to push out the rear telescopic pipe 12.

[0041] With reference to Figure 1 and Figure 2 , the noise sensor 15 is installed on the last telescopic pipe 12, and the noise sensor 15 is located on the end of the last telescopic pipe 12 away from the first telescopic pipe 12.

[0042] The collection instrument 16 can be placed on the ground or the support plate 100, and the collection instrument 16 is electrically connected with the noise sensor 15, which can be wired or wireless connection. In this embodiment, the collection instrument 16 is wired with the noise sensor 15, specifically, a connecting line 17 is connected between the collection instrument 16 and the noise sensor 15, the connecting line 17 is arranged in the telescopic pipe 12, and the two ends of the connecting line 17 are connected with the collection instrument 16 and the noise sensor 15 respectively. In order to reduce the wear of the connecting line 17 at the edge of the first telescopic pipe 12, a first transmission shaft 18 is arranged on the end of the first telescopic pipe 12 away from the last telescopic pipe 12, and the connecting line 17 is lapped on the first transmission shaft 18.

[0043] Further, with reference to Figure 1 , in order to better drive the power gear 142 to rotate through the power line 144, the first telescopic pipe 12 is further provided with a transmission gear 19 and a second transmission shaft 20. The transmission gear 19 is located on the end of the first telescopic pipe 12 away from the last telescopic pipe 12, and the transmission gear 19 and the power gear 142 can be located on the same end face of the first telescopic pipe 12. The second transmission shaft 20 is located on the end of the first telescopic pipe 12 away from the last telescopic pipe 12, and the second transmission shaft 20 is parallel to the first transmission shaft 18. The power line 144 is lapped on the second transmission shaft 20 and the transmission gear 19.

[0044] Further, with reference to Figure 1 , the outdoor noise testing device further comprises a box 21, a power supply 22 and a counterweight 23.

[0045] The box 21 is placed on the ground or the support plate 100, and the box 21 can be used to place the power element 143, the power supply 22 and the counterweight 23. The power supply 22 is electrically connected with the power element 143 and the collection instrument 16, and the power supply 22 is used to supply power to the power element 143 and the collection instrument 16. The number of the counterweight 23 is several, and in use, the user can adjust the number of the counterweight 23 placed in the box 21 according to the number of the telescopic pipes 12 extended, so as to balance the upward bending moment borne by the first telescopic pipe 12, keep the first telescopic pipe 12 balanced and avoid the first telescopic pipe 12 from being tilted.

[0046] In use, the telescopic pipe 12 between the first telescopic pipe 12 and the last telescopic pipe 12 is rotated, only the locking element 13 on the last telescopic pipe 12 is located above, then the power element 143 is started, the power element 143 drives the power gear 142 to rotate through the power line 144, the rack 141 is slid out of the first telescopic pipe 12 and abuts against the locking element 13 on the last telescopic pipe 12, the power element 143 continues to output, then the rack 141 drives the locking element 13 on the last telescopic pipe 12 to be ejected from the previous telescopic pipe 12, after the last telescopic pipe 12 is completely extended, the locking element 13 on the previous telescopic pipe 12 is locked, then the last telescopic pipe 12 is locked and fixed on the previous telescopic pipe 12, and the above process is sequentially executed until the length of the telescopic pipe 12 extended meets the demand of the user, and the number of the counterweight 23 in the box 21 is adjusted according to the length and the number of the telescopic pipe 12 extended, so as to keep the telescopic pipe 12 balanced.

[0047] The above are the preferred embodiments of the present application, and are not used to limit the protection scope of the present application, so that: all equivalent changes made according to the structure, shape, principle of the present application should be covered in the protection scope of the present application.

Claims

1. An outdoor noise testing device, characterized in that, The utility model relates to a noise sensor and collection device, and belongs to the field of noise sensor and collection device. The utility model discloses a noise sensor and collection device, which comprises a support (11), at least two levels of telescopic pipes (12), a locking part (13) arranged on the telescopic pipe (12) and used for locking and fixing the rear level telescopic pipe (12) on the front level telescopic pipe (12), a telescopic power assembly (14) arranged on the first level telescopic pipe (12) and abutting against the locking part (13) on the rear level telescopic pipe (12) and used for driving the locking part (13) on the rear level telescopic pipe (12) to make the rear level telescopic pipe (12) be pushed out, a noise sensor (15) arranged on the last level telescopic pipe (12) and used for measuring outdoor noise, and a collection instrument (16) electrically connected with the noise sensor (15) and used for generating outdoor noise data. The first level telescopic pipe (12) is hingedly connected with the top of the support (11). The bottom of the first level telescopic pipe (12) is provided with a spherical sliding groove (121), and the top of the support (11) is provided with a supporting ball (111) which is located in the spherical sliding groove (121) and slides in the spherical sliding groove (121). The telescopic power assembly (14) comprises a rack (141), a power gear (142), a power element (143) and a power line (144), the rack (141) is slidably connected to the first level telescopic pipe (12) along the axial direction of the telescopic pipe (12), the power gear (142) is rotatably connected to the first level telescopic pipe (12), the power gear (142) is meshed with the rack (141), the power line (144) has two ends which are respectively fixed to the output end of the power element (143) and a shaft for driving the power gear (142) to rotate, and the power element (143) drives the power gear (142) to rotate through the power line (144). The utility model further comprises a connecting line (17) for electrically connecting the noise sensor (15) and the collection instrument (16), the connecting line (17) is arranged in the telescopic pipe (12), one end of the first level telescopic pipe (12) away from the last level telescopic pipe (12) is provided with a first transmission shaft (18), and the connecting line (17) is abuttingly connected to the first transmission shaft (18). The first level telescopic pipe (12) is further provided with a transmission gear (19) and a second transmission shaft (20), and the power line (144) is abuttingly connected to the second transmission shaft (20) and a shaft for driving the transmission gear (19) to rotate. The support (11) is a tripod.

2. The outdoor noise testing device of claim 1, wherein, The bottom of the support (11) is provided with a supporting plate (100).

3. The outdoor noise testing device of claim 2, wherein, The utility model further comprises a box (21) arranged on the ground and a power supply (22) arranged in the box (21), the power supply (22) is electrically connected with the power element (143) and the collection instrument (16), and the power element (143) is arranged in the box (21).

4. The outdoor noise testing device of claim 1, wherein, The box (21) is further provided with a plurality of counterweights (23).

5. The outdoor noise testing device of claim 1, wherein, ​ 6. The outdoor noise testing device of claim 4, wherein, ​ 7. The outdoor noise testing device of claim 1, wherein, ​ 8. The outdoor noise testing device of claim 1, wherein, ​ 9. The outdoor noise testing device of claim 1, wherein, ​ 10. The outdoor noise testing device of claim 9, wherein, ​

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