CN215064875U - Outdoor noise detection device integrating transmission calibration - Google Patents
Outdoor noise detection device integrating transmission calibration Download PDFInfo
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- CN215064875U CN215064875U CN202121426314.XU CN202121426314U CN215064875U CN 215064875 U CN215064875 U CN 215064875U CN 202121426314 U CN202121426314 U CN 202121426314U CN 215064875 U CN215064875 U CN 215064875U
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- outdoor noise
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Abstract
The utility model relates to an outdoor noise detection device of integrated transmission calibration, include: the remote self-calibration device is a remote electrostatic excitation self-calibration structure, the microphone is in electrical signal connection with the remote self-calibration structure, the preamplifier is in electrical signal connection with the microphone, the circuit board is in electrical signal connection with the preamplifier, a main control chip and a wireless data transmission module are integrated on the circuit board, the main control chip is in communication connection with the wireless data transmission module, and the remote self-calibration structure, the microphone, the preamplifier and the circuit board are all located in the shell. The utility model discloses can carry out long-range self calibration and detect, realize outdoor 24 hours unmanned detection, once install, avoid maintaining.
Description
Technical Field
The utility model relates to a noise detection field especially relates to an outdoor noise detection device of integrated transmission calibration.
Background
Outdoor noises such as traffic noises, business center noises, industrial noises, building construction noises and the like can influence the conversation and thinking of people, prevent people from normally resting, learning and working, and have adverse effects on the physiology and the psychology of people due to strong noises. In order to protect the health and living environment of people and control the influence of noise on people, China also makes regulations on the allowable range of noise, and correspondingly sets an outdoor noise standard. In order to ensure and control the outdoor noise within the allowable standard, the outdoor noise needs to be detected in real time, in the noise detection work, relevant instruments and equipment play an important role, and the quality of the noise detection instruments and equipment has an important influence on data collection and arrangement and noise environment evaluation work.
The existing outdoor noise monitoring system is provided with handheld detection equipment and outdoor box integrated detection equipment, the handheld detection equipment cannot be used for outdoor 24-hour unmanned fixed detection, and regular inspection and calibration are needed to ensure the measurement precision. The outdoor box integrated detection equipment is large in size, needs independent vertical rods to be installed, is complex to install, poor in integration level, high in energy consumption and needs to be maintained regularly.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an outdoor noise detection device of integrated transmission calibration aims at solving the technical problem that exists among the prior art, can carry out long-range self calibration and detect, has realized outdoor 24 hours unmanned detection, and the maintenance is avoided in installation once, and the integrated level is high, and is small, and the energy consumption is low.
The utility model adopts the following technical proposal: an integrated transmission calibrated outdoor noise detection apparatus, comprising:
the remote self-calibration device is a remote electrostatic excitation self-calibration structure;
the microphone is in electrical signal connection with the remote self-calibration structure;
the preamplifier is connected with the microphone in an electric signal manner;
the circuit board is in electrical signal connection with the preamplifier, a main control chip and a wireless data transmission module are integrated on the circuit board, and the main control chip is in communication connection with the wireless data transmission module;
the shell, the remote self-calibration structure, the microphone, the preamplifier and the circuit board are all located inside the shell.
As a preferred technical solution, the microphone is a microphone head.
Preferably, the preamplifier is a microphone preamplifier.
As a preferred technical scheme, the wireless data transmission module carries NBLOT and/or 4G Internet of things to transmit data.
As the preferred technical scheme, the shell comprises a body part, a tubular machine body, a base and a wind-proof and rain-proof ball, wherein the upper part of the tubular machine body is fixedly connected with the body part, the lower part of the tubular machine body is fixedly connected with the base, and the wind-proof and rain-proof ball wraps a column body of the body part.
As a preferred technical scheme, the body part is of an integrally formed structure with a hollow interior, and sequentially comprises a bird spike, a column body and a column base from top to bottom, wherein the bird spike is in a sharp spike shape, the column base is in a cylindrical shape, the maximum diameter of the bird spike is the same as that of the column base, the diameter of the column body is smaller than that of the column base, and the column body is provided with at least one sound-transmitting open groove.
As a preferred technical scheme, the interior of the tubular fuselage is of a hollow structure.
As the preferred technical scheme, one end of the base is a groove, the other end of the base is a thread, the inner diameter of the groove is the same as the outer diameter of the tubular machine body, the groove is connected with the tubular machine body in a nested mode, and the base can be connected to a fixture with the thread through the thread.
According to the preferable technical scheme, the wind-proof and rain-proof ball is an ellipsoid, a through hole is formed in the long axis direction of the wind-proof and rain-proof ball, the length of the long axis of the wind-proof and rain-proof ball is larger than that of the body part column body, and the through hole is in interference fit with the body part column body.
As the preferred technical scheme, a power management module is arranged on the circuit board, and a wired data interface is arranged on the tubular machine body.
As a preferred technical scheme, a dustproof and waterproof cover is arranged at the top of the remote electrostatic excitation self-calibration structure.
The utility model discloses a technical scheme can reach following beneficial effect: the utility model provides an outdoor noise detection device of integrated transmission calibration can need not to dismantle before measuring the noise, can carry out long-range self calibration, and the installation once avoids later maintenance, but also can remote monitoring noise detection data, has realized outdoor 24 hours unmanned detection, has avoided the manpower to patrol and examine, and simple, the shell and the inner structure of easy installation have also guaranteed the utility model discloses an integrated level is high, and is small, and the energy consumption is low.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below to form a part of the present invention, and the exemplary embodiments and the description of the present invention illustrate the present invention and do not limit the present invention. In the drawings:
FIG. 1 is a cross-sectional view of an outdoor noise detecting apparatus according to embodiments 1-2;
fig. 2 is a perspective view of a main body, a column shaft, and a column base of the outdoor noise detection apparatus according to the present embodiment 1-2;
fig. 3 is a cross-sectional view of a remote self-calibration structure of the outdoor noise detection apparatus of the present embodiment 1;
fig. 4 is a schematic configuration diagram of the outdoor noise detection device according to the present embodiment 1-2.
Description of reference numerals:
the device comprises a shell 1, a body part 11, a wind-proof and rain-proof ball 12, a tubular machine body 13, a base 2, a remote self-calibration structure 3, a dust-proof and water-proof cover 31, a microphone 4, a preamplifier 5, a circuit board 6, a bird thorn 111, a column body 112, a column base 113 and an acoustic transmission slot 114.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solutions of the present invention. In the description of the present invention, it is noted that the term "or" is generally employed in its sense including "and/or" unless the content clearly dictates otherwise.
Example 1
The embodiment provides an outdoor noise detection device integrating transmission calibration, and as shown in fig. 1, the outdoor noise detection device includes a remote self-calibration structure 3, a microphone 4, a preamplifier 5, a circuit board 6, and a housing 1, the microphone 4 is in electrical signal connection with the remote self-calibration structure 3, the preamplifier 5 is in electrical signal connection with the microphone 4, the circuit board 6 is in electrical signal connection with the remote self-calibration structure 3 and the preamplifier 5, respectively, a main control chip and a wireless data transmission module are integrated on the circuit board 6, the main control chip is in communication connection with the wireless data transmission module, and the remote self-calibration structure 3, the microphone 4, the preamplifier 5, and the circuit board 6 are all located inside the housing 1.
A remote self-calibration structure 3 for calibrating the sensitivity of the microphone 4, since the mass of air is unstable, such as: the temperature, the humidity, the atmospheric pressure and the like of air can change at any time under the influence of environment and other factors, so that the sensitivity of the microphone 4 needs to be adjusted correspondingly to ensure the accuracy of an air vibration wave signal received by a metal diaphragm of the microphone 4, the process of adjusting the sensitivity of the microphone 4 is to calibrate the microphone 4, and preferably, a remote electrostatic excitation self-calibration structure is adopted, as shown in fig. 3, a dustproof waterproof cover 31 is arranged at the top of the remote self-calibration structure 3 to protect internal parts of the remote self-calibration structure, and a sound-transmitting notch can be further arranged on the remote self-calibration structure 3, so that noise can enter the microphone 4 through the sound-transmitting notch.
And the microphone 4 is used for collecting noise in the environment, effectively converting a noise signal into an electric signal and enabling the sound to be recognized by a circuit so as to realize communication and control, and preferably a microphone head.
A preamplifier 5 for providing bias power to the microphone 4 and amplifying the received analog signal for later circuit analysis processing, preferably the microphone preamplifier 5.
The main control chip is used for carrying out one-third octave analysis, A, C, Z weight calculation correction and equivalent sound level LEQ calculation on the noise signals.
The wireless data transmission module is used for transmitting data to the remote server or receiving an instruction control signal sent by the remote server, preferably NBLOT/or 4G internet of things transmission data.
The noise detection device is installed in a place where noise needs to be monitored, the remote server sends a microphone 4 calibration instruction to the noise detection device through the wireless communication module, the noise detection device carries out microphone 4 calibration after receiving the microphone 4 calibration instruction, after the calibration is completed, the microphone 4 starts to collect noise signals in the environment and converts the noise signals into electric signals, after the electric signals are processed through the preamplifier 5, one-third octave analysis, A, C, Z weighting correction and equivalent sound level LEQ calculation are carried out through the main control chip, and after a result is obtained, the noise detection device remotely transmits a detection result to the remote server through the wireless data transmission module.
The noise detection device of this embodiment need not to dismantle the calibration before measuring the noise, can directly receive and carry out self calibration by remote server's calibration instruction, and the later maintenance is exempted in installation once, but also can pass through wireless transmission module remote monitoring noise detection data, has realized outdoor 24 hours unmanned detection, has avoided the manpower to patrol and examine.
Example 2
The embodiment provides an integrated transmission calibration outdoor noise detection device, according to fig. 1, on the basis of embodiment 1, the housing 1 includes a body 11, a tubular body 13, a base 2, and a wind and rain resistant ball 12, the body 11 is fixedly connected to the tubular body 13, the tubular body 13 is connected to the base 2 in a nesting manner, the base 2 is connected to a fixture with threads through threads, and the wind and rain resistant ball 12 wraps up the shaft 112 of the body 11.
The body part 11 is an integrally formed structure with a hollow interior, and sequentially comprises a bird spike 111, a column 112 and a column base 113 from top to bottom, wherein the bird spike 111 is in a sharp spike shape, the column base 113 is cylindrical, the maximum diameter of the bird spike 111 is the same as that of the column base 113, the diameter of the column 112 is smaller than that of the column base 113, the column 113 is provided with at least one sound-transmitting open groove, the body part 11 is preferably made of stainless steel, the maximum diameter of the bird spike 111 is larger than that of the column 112, even if rainwater enters the device through a connecting gap between the body part 11 and the rainproof and windproof ball 12, the influence on electronic parts responsible for noise detection can be avoided, and the sound-transmitting open groove 111 is arranged, so that the microphone 4 can more accurately collect sound in the environment.
The inside of the tubular body 13 is of a hollow structure, the tubular body 13 is fixedly connected with the body part 11, a wired data interface is arranged on the shell of the tubular body 13, and the device can be charged through the wired data interface and a power management module arranged on the circuit board 6.
One end of the base 2 is a groove, the other end of the base is a thread, the inner diameter of the groove is the same as the outer diameter of the tubular machine body 13, the groove is connected with the tubular machine body 13 in a nested mode, and the base 2 can be connected to a fixture with the thread through the thread.
The wind-proof rain-proof ball 12 is an ellipsoid, a through hole is arranged in the axial direction of the long axis of the wind-proof rain-proof ball 12, the length of the long axis of the wind-proof rain-proof ball 12 is larger than that of the column body 11 of the body part, the through hole is in interference fit with the column body 11 of the body part, and polyformaldehyde is preferably selected as the material of the wind-proof rain-proof ball 12.
The installation process is as follows:
firstly, the remote self-calibration structure 3, the microphone 4 and the preamplifier 5 are connected through electric signals and are installed in a column body of the body part 11, then the circuit board 6 is installed in the tubular machine body 13, the tubular machine body 13 is nested on the base 2, the base 2 is installed on a fixed object, and finally the wind and rain prevention ball 12 is nested on the column body of the body part 11 downwards from the spine part of the body part 11.
The noise transmission that the noise detection device of this embodiment set up can make noise acquisition more accurate, and this somatic part 11 has simplified noise detection device's complexity for inside hollow integrated into one piece structure moreover greatly, has guaranteed simple, the easy installation of device, makes the utility model discloses an integrated level is high, and is small, and the energy consumption is low.
The embodiments of the present invention have been described with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention.
Claims (11)
1. An integrated transmission calibrated outdoor noise detection device, comprising:
a remote self-calibration structure, the remote self-calibration structure being a remote electrostatically-actuated self-calibration structure;
a microphone in electrical signal connection with the remote self-calibrating structure;
a preamplifier in electrical signal communication with the microphone;
the circuit board is respectively in electrical signal connection with the remote self-calibration structure and the preamplifier, a main control chip and a wireless data transmission module are integrated on the circuit board, and the main control chip is in communication connection with the wireless data transmission module;
the remote self-calibration structure, the microphone, the preamplifier and the circuit board are all located in the shell.
2. The outdoor noise detection apparatus of claim 1, wherein the microphone is a microphone head.
3. The outdoor noise detection apparatus of claim 1, wherein the preamplifier is a microphone preamplifier.
4. The outdoor noise detection device according to claim 1, wherein said wireless data transmission module carries NBLOT and/or 4G IOT transmission data.
5. The outdoor noise detection device according to any one of claims 1 to 4, wherein the casing comprises a body portion, a tubular body, a base, and a wind and rain prevention ball, wherein the upper portion of the tubular body is fixedly connected with the body portion, the lower portion of the tubular body is fixedly connected with the base, and the wind and rain prevention ball wraps the shaft of the body portion.
6. The outdoor noise detection device according to claim 5, wherein the body portion is an integrally formed structure with a hollow interior, and comprises a bird spike, a column body and a column base from top to bottom, the bird spike is in a spike shape, the column base is in a cylindrical shape, the maximum diameter of the bird spike is the same as the diameter of the column base, the diameter of the column body is smaller than the diameter of the column base, and the column body is provided with at least one sound-transmitting slot.
7. The outdoor noise detection device according to claim 6, wherein the tube-shaped body has a hollow structure inside.
8. The outdoor noise detection device according to claim 7, wherein one end of the base is a groove, the other end of the base is a thread, the inner diameter of the groove is the same as the outer diameter of the tubular body, the groove is nested with the tubular body, and the base can be connected to a fixture with a thread through a thread.
9. The outdoor noise detecting device according to claim 8, wherein the wind-proof and rain-proof ball is an ellipsoid, a through hole is provided in a long axis direction of the wind-proof and rain-proof ball, a length of the long axis of the wind-proof and rain-proof ball is greater than a length of the main body shaft, and the through hole is in interference fit with the main body shaft.
10. The outdoor noise detection device according to claim 5, wherein a power management module is disposed on the circuit board, and the pipe-shaped body is provided with a wired data interface.
11. The outdoor noise detection device according to claim 1, wherein said remote electrostatically-actuated self-calibration structure is topped with a dust-proof waterproof cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121426314.XU CN215064875U (en) | 2021-06-25 | 2021-06-25 | Outdoor noise detection device integrating transmission calibration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121426314.XU CN215064875U (en) | 2021-06-25 | 2021-06-25 | Outdoor noise detection device integrating transmission calibration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215064875U true CN215064875U (en) | 2021-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121426314.XU Active CN215064875U (en) | 2021-06-25 | 2021-06-25 | Outdoor noise detection device integrating transmission calibration |
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| Country | Link |
|---|---|
| CN (1) | CN215064875U (en) |
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2021
- 2021-06-25 CN CN202121426314.XU patent/CN215064875U/en active Active
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