CN213902635U

CN213902635U - Noise detection device

Info

Publication number: CN213902635U
Application number: CN202023282749.XU
Authority: CN
Inventors: 郑涛; 张国平; 张先锋
Original assignee: Shanghai Municipal Engineering Management Consulting Co ltd
Current assignee: Shanghai Municipal Engineering Management Consulting Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-08-06
Anticipated expiration: 2030-12-30

Abstract

The application relates to a noise detection device, which comprises a base, wherein a supporting rod is fixedly connected to the base, one end, away from the base, of the supporting rod is fixedly connected with an installation box, the bottom of the installation box is provided with an opening, a first detection module and a second detection module are respectively arranged on two sides of the opening, the first detection module and the second detection module are respectively positioned on two sides of a noise-proof screen, one end, close to the base, of the supporting rod is provided with a display screen, the display screen is electrically connected with a power supply, and the display screen is respectively and electrically connected with the first detection module and the second detection module; the first detection module and the second detection module sense noise and process signals, and the processing result is displayed on the display screen in a split screen mode. This application can detect the noise intensity of noise control screen both sides respectively to contrast, and then can obtain the noise control effect of noise control screen.

Description

Noise detection device

Technical Field

The present application relates to the field of noise detection, and in particular, to a noise detection apparatus.

Background

Along with the development of economy, the living standard of people is continuously improved, and various noises continuously interfere with the normal life of people. With more and more private cars, traffic noise is gradually becoming the most common noise in life.

In order to reduce the influence of traffic noise on the life of people, noise prevention screens are often installed on two sides of a road, and the noise prevention screens can effectively reduce the transmission of noise. After the noise-proof screen is installed, noise detection devices, such as hospitals, schools, nursing homes and the like, need to be arranged in special places to ensure that noise has minimum influence on people.

In view of the above-mentioned related art, the inventor considers that the current noise detection device cannot simultaneously detect the noise on both sides of the noise-proof screen, thereby determining the noise-proof effect of the noise-proof screen.

SUMMERY OF THE UTILITY MODEL

In order to detect the noise control effect of noise control screen in time, the application provides a noise detection device.

The application provides a noise detection device adopts following technical scheme:

a noise detection device comprises a base, wherein a supporting rod is fixedly connected to the base, an installation box is fixedly connected to one end, far away from the base, of the supporting rod, an opening is formed in the bottom of the installation box, a first detection module and a second detection module are arranged on two sides of the opening respectively, the first detection module and the second detection module are located on two sides of a noise-proof screen respectively, a display screen is arranged at one end, close to the base, of the supporting rod, the display screen is electrically connected with a power supply, and the display screen is electrically connected with the first detection module and the second detection module respectively; the first detection module and the second detection module sense noise and process signals, and the processing results are displayed on a display screen in a split screen mode.

Through adopting above-mentioned technical scheme, can fix the base subaerial, the bracing piece plays the effect of support, and the install bin is located the noise control screen, and two detection module are located the inside and outside of noise control screen respectively, can detect the noise intensity of noise control screen both sides respectively to contrast, and then can obtain the noise control effect of noise control screen.

Optionally, the first detection module includes a first microphone, the first microphone is electrically connected to a first noise detector, the first noise detector is electrically connected to a central processing unit, and an output end of the central processing unit is electrically connected to the display screen; the second detection module comprises a first microphone, the second microphone is electrically connected with a second noise detector, and the output end of the second noise detector is electrically connected with the central processing unit; the noise detected by the first microphone and the second microphone is converted into an electric signal through the microphones, the electric signal is transmitted to the central processing unit for analysis, and the analyzed data is displayed on the display screen in a split screen mode.

By adopting the technical scheme, after the two microphones detect the noise, the sound signals are converted into the electric signals, and the decibel values of the noise at the two sides of the noise-proof screen can be respectively displayed on the display screen after the electric signals are processed by the noise detector and the central processing unit.

Optionally, the power supply includes a photovoltaic control device, a solar panel and a storage battery, the photovoltaic control device is electrically connected to the solar panel, and the solar panel is electrically connected to the storage battery.

Through adopting above-mentioned technical scheme, photovoltaic control device can control solar cell panel, turns into the electric energy with solar energy, then supplies power for central controller through the battery, can last for whole device power supply when the sunlight is sufficient daytime to as clean energy, it is less to environmental pollution.

Optionally, two side walls of the installation box far away from the support rod are provided with net plates.

Through adopting above-mentioned technical scheme, the installation box is close to the both sides wall of sound source and sets up to the otter board, can make the noise change and pass to detection module and handle.

Optionally, the bracing piece includes the first body of rod and the second body of rod, the first body of rod and the second body of rod respectively in base and install bin fixed connection, the second body of rod is the cavity form, the first body of rod slides and connects in the second body of rod.

Through adopting above-mentioned technical scheme, can be according to the high difference of noise control screen and the height of adjustment bracing piece, make this detection device be applicable to the detection condition of various differences.

Optionally, fixedly connected with joint portion on the inner wall of the second body of rod, set up a plurality of with the joint groove of joint portion adaptation grafting on the lateral wall of the first body of rod.

Through adopting above-mentioned technical scheme, after the height of adjustment bracing piece, joint portion and joint groove adaptation are pegged graft for can connect stably and be difficult for producing easily and slide between the first body of rod and the second body of rod.

Optionally, a rotating bearing is arranged at the joint of the support rod and the installation box, and a rotating wheel is arranged on the base.

Through adopting above-mentioned technical scheme, the runner makes things convenient for the base to remove subaerial, is convenient for detect the noise of different positions noise control screen both sides, and sets up rolling bearing between install bin and bracing piece, and when the base removed, the install bin can follow the base and remove or rotate, need not to dismantle at installation, convenient to use.

Optionally, the surface of the installation box is provided with a dust screen.

Through adopting above-mentioned technical scheme, the dust screen can reduce effectively and be stained with on the install bin and attach the dust.

In summary, the present application includes at least one of the following beneficial technical effects:

the noise intensities of the two sides of the noise-proof screen can be respectively detected and compared, so that the noise-proof effect of the noise-proof screen can be obtained;

clean energy is used for supplying power, so that electric energy is saved;

the dust-proof effect can be achieved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a cross-sectional view showing a first rod and a second rod;

fig. 3 is an automatic control block diagram of an embodiment of the present application.

Reference numerals: 1. a base; 2. a rotating wheel; 3. a support bar; 4. installing a box; 5. a display screen; 6. a screen plate; 7. a dust screen; 8. a first rod body; 9. a second rod body; 10. a clamping part; 11. a clamping groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a noise detection device.

Referring to fig. 1, the noise detecting apparatus includes a base 1, and wheels 2 are disposed around the base 1 to enable the base 1 to move. The base 1 is welded or connected with a support rod 3 in a threaded manner. The one end that base 1 was kept away from to bracing piece 3 rotates and is connected with install bin 4, is provided with rolling bearing between bracing piece 3 and the install bin 4. The bottom of install bin 4 is equipped with the opening, and the opening joint is on the other noise control screen of road. When runner 2 rotates and drives base 1 and remove, need not to pull down install bin 4 from bracing piece 3, when meetting the crooked condition of noise control screen, install bin 4 also can rotate on bracing piece 3, makes install bin 4 can arrange the noise control screen in all the time. A first detection module and a second detection module are respectively installed on two sides of the noise-proof screen.

Referring to fig. 1 and 3, the first detection module includes a first microphone and a first noise detector, the second detection module includes a second microphone and a second noise detector, and the first microphone and the first noise detector are electrically connected to the second microphone and the second noise detector. The output ends of the first noise detector and the second noise detector are electrically connected with a central processing unit, the central processing unit is electrically connected with a power supply, and the output end of the central processing unit is electrically connected with a display screen 5. Display screen 5 sets up on bracing piece 3 to be close to base 1, make the inspection personnel be convenient for observe the reading on the display screen 5. The first microphone and the second microphone are respectively used for detecting the noise on two sides of the noise-proof screen, converting the noise into electric signals and transmitting the electric signals to the noise detector, the noise detector transmits the electric signals to the central processing unit for data analysis, and the central processing unit respectively displays the processed signals on the display screen 5.

The power supply comprises a photovoltaic control device, a solar panel and a storage battery. Photovoltaic controlling means can control solar cell panel, turns into the electric energy with solar energy, then supplies power for central controller through the battery, can last for whole device power supply when the sunlight is sufficient daytime to solar energy is less to environmental pollution as clean energy, and sustainable development nature is strong.

Referring to fig. 1, a screen 6 is arranged on the side wall of the installation box 4 opposite to the noise-proof screen, and the screen 6 enables noise to be received by the first detection module and the second detection module more easily, so that the detection result is more accurate. The top of install bin 4 is provided with dust screen 7, and dust screen 7 can reduce the top of install bin 4 effectively and adsorb the dust.

Referring to fig. 2, the support bar 3 includes a first bar 8 and a second bar 9. First body of rod 8 and the second body of rod 9 are hollow cylindricly, and first body of rod 8 slides and connects in the second body of rod 9, and install bin 4 rotates to be connected and keeps away from the one end of second body of rod 9 at first body of rod 8. The welding has two curved joint portion 10 on the inner wall of second body of rod 9, and joint portion 10 can select to use elastic material, makes like rubber etc.. The two clamping parts 10 are symmetrically distributed on the inner wall of the second rod body 9. A plurality of joint grooves 11 are formed in the side wall of the first rod body 8, and the joint grooves 11 are arranged along the length direction of the first rod body 8. The clamping groove 11 and the clamping portion 10 are adapted to be clamped, so that the first rod 8 can be fixed with the second rod 9 after being adjusted to a proper position. Thereby can adjust bracing piece 3 according to the height of noise control screen and stretch out and draw back to change the height of install bin 4.

The implementation principle of the noise detection device in the embodiment of the application is as follows: first microphone and second microphone detect the noise of noise control screen both sides respectively, turn into the signal of telecommunication after the transmission for noise detector and central processing unit carry out data processing, then show on display screen 5 respectively to make the measurement personnel can learn the noise difference of noise control screen both sides, thereby obtain the noise control effect of noise control screen.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A noise detection device characterized by: the anti-noise screen comprises a base (1), wherein a supporting rod (3) is fixedly connected to the base (1), an installation box (4) is fixedly connected to one end, far away from the base (1), of the supporting rod (3), an opening is formed in the bottom of the installation box (4), a first detection module and a second detection module are arranged on two sides of the opening respectively, the first detection module and the second detection module are located on two sides of the anti-noise screen respectively, a display screen (5) is arranged at one end, close to the base (1), of the supporting rod (3), the display screen (5) is electrically connected with a power supply, and the display screen (5) is electrically connected with the first detection module and the second detection module respectively; the first detection module and the second detection module sense noise and process signals, and the processing results are displayed on the display screen (5) in a split screen mode.

2. The noise detection apparatus according to claim 1, characterized in that: the first detection module comprises a first microphone, the first microphone is electrically connected with a first noise detector, the first noise detector is electrically connected with a central processing unit, and the output end of the central processing unit is electrically connected with the display screen (5); the second detection module comprises a first microphone, the second microphone is electrically connected with a second noise detector, and the output end of the second noise detector is electrically connected with the central processing unit; the noise detected by the first microphone and the second microphone is converted into an electric signal through the microphones, the electric signal is transmitted to the central processing unit for analysis, and the analyzed data is displayed on the display screen (5) in a split screen mode.

3. The noise detection apparatus according to claim 1, characterized in that: the power supply comprises a photovoltaic control device, a solar panel and a storage battery, the photovoltaic control device is electrically connected with the solar panel, and the solar panel is electrically connected with the storage battery.

4. The noise detection apparatus according to claim 1, characterized in that: two side walls of the installation box (4) far away from the support rod (3) are provided with a screen plate (6).

5. The noise detection apparatus according to claim 1, characterized in that: the bracing piece (3) include the first body of rod (8) and the second body of rod (9), the first body of rod (8) and the second body of rod (9) respectively in base (1) and install bin (4) fixed connection, the second body of rod (9) are the cavity form, the first body of rod (8) are slided and are connected in the second body of rod (9).

6. The noise detection apparatus according to claim 5, characterized in that: fixedly connected with joint portion (10) on the inner wall of the second body of rod (9), seted up on the lateral wall of the first body of rod (8) a plurality ofly with joint groove (11) that joint portion (10) adaptation was pegged graft.

7. The noise detection apparatus according to claim 1, characterized in that: the joint of the support rod (3) and the installation box (4) is provided with a rotating bearing, and the base (1) is provided with a rotating wheel (2).

8. The noise detection apparatus according to claim 1, characterized in that: and a dust screen (7) is arranged on the surface of the installation box (4).