CN110793620A - Noise detection device and detection method - Google Patents
Noise detection device and detection method Download PDFInfo
- Publication number
- CN110793620A CN110793620A CN201911191668.8A CN201911191668A CN110793620A CN 110793620 A CN110793620 A CN 110793620A CN 201911191668 A CN201911191668 A CN 201911191668A CN 110793620 A CN110793620 A CN 110793620A
- Authority
- CN
- China
- Prior art keywords
- cantilever beam
- shell
- noise
- combined
- supporting structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 47
- 239000003086 colorant Substances 0.000 claims abstract description 5
- 239000013078 crystal Substances 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 8
- 230000007613 environmental effect Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 2
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
- G01H11/06—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means
- G01H11/08—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means using piezoelectric devices
Abstract
A noise detection device and a detection method comprise a shell, a combined cantilever beam, a supporting structure and a detection unit; the shell is a closed shell, the supporting structure is arranged in the shell, a plurality of combined cantilever beams are arranged on the supporting structure, the end parts of the combined cantilever beams face the inner side wall of the shell, and the detection unit is arranged at the outer side end part of the shell; the combined cantilever beam is connected with the detection unit through a lead. The noise detection device can detect the noise of the construction environment, the noise is displayed according to the light emission of different colors of the light emitting diodes, and after the light emitting diodes are installed at multiple positions, the detection result is displayed more visually, and the detection efficiency is higher.
Description
Technical Field
The invention belongs to the technical field of noise detection, and particularly relates to a noise detection device and a noise detection method.
Background
At present, various constructions are carried out all the time, but in recent years, noises generated by the constructions become main noises of cities. Environmental noise pollution is the phenomenon that the generated environmental noise exceeds the national regulations and interferes with normal life, work and study of other people. Noise can be harmful to residents and constructors, so that the noise condition in construction must be detected in the construction process. Before the construction project is put into production or used, the environmental noise pollution prevention and control facility of the national regulation must be checked and accepted by an environmental protection administrative department, and if the national regulation is not met, the construction project cannot be put into production or used. The existing noise detection tool has low detection efficiency, which influences project progress and work efficiency.
Disclosure of Invention
The present invention is directed to a noise detection apparatus and a noise detection method to solve the above problems.
In order to achieve the purpose, the invention adopts the following technical scheme:
a noise detection device comprises a shell, a combined cantilever beam, a supporting structure and a detection unit; the shell is a closed shell, the supporting structure is arranged in the shell, a plurality of combined cantilever beams are arranged on the supporting structure, the end parts of the combined cantilever beams face the inner side wall of the shell, and the detection unit is arranged at the outer side end part of the shell; the combined cantilever beam is connected with the detection unit through a lead.
Further, the detection unit comprises a light emitting diode and a filter; the four filters are arranged at the top of the shell, and the side surface of each filter is provided with a light emitting diode; the number of the combined cantilever beams is the same as that of the light-emitting diodes, and each light-emitting diode is connected to one combined cantilever beam through a lead.
Further, the housing is cylindrical and the four filters are each disposed within a ninety degree sector of the top of the housing.
Furthermore, the combined cantilever beam comprises a cantilever beam, a phononic crystal, a piezoelectric film and a first permanent magnet; the cantilever beam is covered with a layer of piezoelectric film, the phononic crystal is arranged on the lower surface of the cantilever beam, one end of the cantilever beam is fixedly connected with the supporting structure, the other end of the cantilever beam is fixedly provided with a first permanent magnet, and the first permanent magnet is connected with the light-emitting diode through a wire.
Furthermore, four second permanent magnets are arranged on the inner side wall of the shell, and the positions of the second permanent magnets correspond to those of the first permanent magnets.
Furthermore, the supporting structure comprises a support column and a disc, the support column is vertically arranged in the center of the bottom plate on the inner side of the shell, the disc is arranged at the top of the support column, and the combined cantilever beam is arranged on the disc in equal radian.
Further, a detection method of a noise detection apparatus includes the steps of:
and 3, connecting one cantilever beam with one light emitting diode, and reflecting the noise according to the light emitting colors of different light emitting diodes.
Compared with the prior art, the invention has the following technical effects:
the noise detection device can detect the noise of the construction environment, the noise is displayed according to the light emission of different colors of the light emitting diodes, and after the light emitting diodes are installed at multiple positions, the detection result is displayed more visually, and the detection efficiency is higher.
The invention has the characteristics of simple structure, safety, reliability, convenient installation, convenient use, improved working efficiency and quality, convenient carrying and the like.
Drawings
Figure 1 is a schematic view of the internal planing surface of the present invention.
Fig. 2 is an overall schematic of the present invention.
Figure 3 is a schematic view of a cantilever structure of the present invention.
The device comprises a phononic crystal-1, a piezoelectric film-2, a first permanent magnet-3, a shell-4, a second permanent magnet-5, a combined cantilever beam-6, a disc-7, a light emitting diode-8, a filter-9 and a support-10.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
referring to fig. 1 to 3, a noise detection apparatus includes a housing 4, a combined cantilever 6, a supporting structure and a detection unit; the shell 4 is a closed shell, the supporting structure is arranged inside the shell 4, the supporting structure is provided with a plurality of combined cantilever beams 6, the end parts of the combined cantilever beams 6 face the inner side wall of the shell 4, and the detection unit is arranged at the outer end part of the shell 4; the combined cantilever beam 6 is connected with the detection unit through a lead.
The detection unit comprises a light emitting diode 8 and a filter 9; four filters 9 are arranged at the top of the shell 4, and a light-emitting diode 8 is arranged on the side surface of each filter; the number of the combined cantilever beams 6 is the same as that of the light-emitting diodes, and each light-emitting diode 8 is connected to one combined cantilever beam 6 through a lead.
The housing 4 is cylindrical and the four filters are each disposed within a ninety degree sector of the top of the housing 4.
The combined cantilever beam 6 comprises a cantilever beam, a phononic crystal 1, a piezoelectric film 2 and a first permanent magnet 3; the cantilever beam is covered with a layer of piezoelectric film 2, the phononic crystal 1 is arranged on the lower surface of the cantilever beam, one end of the cantilever beam is fixedly connected with the supporting structure, the other end of the cantilever beam is fixedly provided with a first permanent magnet, and the first permanent magnet 3 is connected with the light-emitting diode 8 through a wire.
Four second permanent magnets 5 are arranged on the inner side wall of the shell 4, and the positions of the second permanent magnets 5 correspond to those of the first permanent magnets 3.
The supporting structure comprises a support column 10 and a disc 7, wherein the support column 10 is vertically arranged in the center of the bottom plate on the inner side of the shell 4, the disc 7 is arranged at the top of the support column 10, and the combined cantilever beam 6 is arranged on the disc in an equal radian mode.
A detection method of a noise detection apparatus, comprising the steps of:
and 3, connecting one cantilever beam with one light emitting diode, and reflecting the noise according to the light emitting colors of different light emitting diodes.
A novel noise detection method and a device are characterized by comprising a phononic crystal, a piezoelectric film, a permanent magnet 1, a shell, a permanent magnet 2, a combined cantilever beam, a disc, four light emitting diodes, four filters and a support; the combined cantilever beam consists of a phonon crystal, a piezoelectric film and a permanent magnet 1, and the four combined cantilever beams are arranged on the disc and are connected with the light-emitting diode through four wires; the piezoelectric film completely covers the upper surface of the combined cantilever beam, and the permanent magnet 1 is placed at the tail part of the combined cantilever beam; the permanent magnet 2 is arranged on the inner surface of the shell and is parallel to the permanent magnet 1; four LEDs are mounted on the upper part of the whole device, and a disc is supported on the supporting column. Compared with the prior art, the novel noise detection method can be conveniently carried when noise measurement is carried out, and the working efficiency is improved.
Furthermore, the phononic crystal can absorb the energy of vibration with different frequencies in different structural forms, the vibration causes the piezoelectric film to generate current, and different light-emitting diodes emit light through the conducting wires to display the noise.
Furthermore, in order to enhance the directional sensitivity of the system to the vibration source in the real environment, each cantilever beam is a cantilever beam formed by combining a linear cantilever beam and an arched cantilever beam.
Furthermore, in order to realize that the noise detection device is matched with the environmental vibration sources with different frequencies, the resonant frequency of the cantilever beam structure can be adjusted by adjusting the distance between the permanent magnet 1 and the permanent magnet 2 to match the environmental vibration sources with different frequency ranges, and the energy collection efficiency is improved.
Further, the filters can select noise with different frequencies to pass through, so that the four filters are used for setting filtering with different frequencies to cause different cantilever beams to vibrate, and the noise is displayed through the light emitting of the light emitting diode.
Furthermore, the noise detection device does not need to be powered by an external power supply or an internal battery, and is convenient to use.
Claims (7)
1. A noise detection device is characterized by comprising a shell (4), a combined cantilever beam (6), a supporting structure and a detection unit; the shell (4) is a closed shell, the supporting structure is arranged inside the shell (4), the supporting structure is provided with a plurality of combined cantilever beams (6), the end parts of the combined cantilever beams (6) face the inner side wall of the shell (4), and the detection unit is arranged at the outer end part of the shell (4); the combined cantilever beam (6) is connected with the detection unit through a lead.
2. A noise detection arrangement according to claim 1, characterized in that the detection unit comprises a light emitting diode (8) and a filter (9); the four filters (9) are arranged at the top of the shell (4), and the side surface of each filter is provided with a light-emitting diode (8); the number of the combined cantilever beams (6) is the same as that of the light-emitting diodes, and each light-emitting diode (8) is connected to one combined cantilever beam (6) through a lead.
3. A noise detecting arrangement according to claim 2, characterized in that the housing (4) is cylindrical and that the four filters are each arranged in a ninety degree sector at the top of the housing (4).
4. A noise detecting arrangement according to claim 2, characterized in that the combined cantilever (6) comprises a cantilever, a phononic crystal (1), a piezoelectric film (2) and a first permanent magnet (3); the cantilever beam is covered with a layer of piezoelectric film (2), the phononic crystal (1) is arranged on the lower surface of the cantilever beam, one end of the cantilever beam is fixedly connected with the supporting structure, the other end of the cantilever beam is fixedly provided with a first permanent magnet, and the first permanent magnet (3) is connected with the light-emitting diode (8) through a wire.
5. A noise detecting arrangement according to claim 4, characterized in that four second permanent magnets (5) are arranged on the inner side wall of the housing (4), the positions of the second permanent magnets (5) corresponding to the first permanent magnets (3).
6. A noise detecting arrangement according to claim 1, characterized in that the supporting structure comprises a pillar (10) and a disc (7), the pillar (10) being arranged vertically in the centre of the inner bottom plate of the housing (4), the disc (7) being arranged on top of the pillar (10), the combined cantilever beam (6) being arranged in an equal arc on the disc.
7. A method for detecting a noise detection device, according to any one of claims 1 to 6, comprising the steps of:
step 1, setting filtering frequencies of four filters, and enabling noises with different frequencies to pass through different filters;
step 2, the noise passes through the filter to cause the cantilever beam to vibrate, the cantilever beam vibrates to cause the piezoelectric film to generate current, and the current causes the light emitting diode to emit light through the lead;
and 3, connecting one cantilever beam with one light emitting diode, and reflecting the noise according to the light emitting colors of different light emitting diodes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911191668.8A CN110793620B (en) | 2019-11-28 | 2019-11-28 | Noise detection device and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911191668.8A CN110793620B (en) | 2019-11-28 | 2019-11-28 | Noise detection device and detection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110793620A true CN110793620A (en) | 2020-02-14 |
| CN110793620B CN110793620B (en) | 2024-01-26 |
Family
ID=69446712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911191668.8A Active CN110793620B (en) | 2019-11-28 | 2019-11-28 | Noise detection device and detection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110793620B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007132756A1 (en) * | 2006-05-12 | 2007-11-22 | The University Of Tokyo | Vibration wave detecting method and device |
| CN201876306U (en) * | 2010-11-16 | 2011-06-22 | 沈健龙 | Noise monitoring device |
| CN103746603A (en) * | 2014-01-17 | 2014-04-23 | 哈尔滨工程大学 | Photonic crystal power generating device based on longitudinal vibration band gap |
| CN103746604A (en) * | 2014-01-17 | 2014-04-23 | 哈尔滨工程大学 | Photonic crystal power generating device based on lateral vibration band gap |
| CN104535172A (en) * | 2015-01-12 | 2015-04-22 | 山东大学 | Method and application utilizing light-emitting diode matrixes for achieving tiny cantilever beam high-order resonance excitation |
| CN205142051U (en) * | 2015-11-28 | 2016-04-06 | 西安科技大学 | Multi -direction vibration energy collection device of adjustable |
| CN106887973A (en) * | 2017-04-05 | 2017-06-23 | 南京邮电大学 | A kind of parallel composite beam piezoelectricity electromagnetism prisoner based on magneticaction can device |
| CN107246911A (en) * | 2017-06-09 | 2017-10-13 | 西南交通大学 | A kind of passive detection device of utilization piezoelectric structure |
| JP2019174254A (en) * | 2018-03-28 | 2019-10-10 | リバーエレテック株式会社 | AE sensor element and AE sensor |
| CN210689806U (en) * | 2019-11-28 | 2020-06-05 | 长安大学 | Noise detection device |
-
2019
- 2019-11-28 CN CN201911191668.8A patent/CN110793620B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007132756A1 (en) * | 2006-05-12 | 2007-11-22 | The University Of Tokyo | Vibration wave detecting method and device |
| CN201876306U (en) * | 2010-11-16 | 2011-06-22 | 沈健龙 | Noise monitoring device |
| CN103746603A (en) * | 2014-01-17 | 2014-04-23 | 哈尔滨工程大学 | Photonic crystal power generating device based on longitudinal vibration band gap |
| CN103746604A (en) * | 2014-01-17 | 2014-04-23 | 哈尔滨工程大学 | Photonic crystal power generating device based on lateral vibration band gap |
| CN104535172A (en) * | 2015-01-12 | 2015-04-22 | 山东大学 | Method and application utilizing light-emitting diode matrixes for achieving tiny cantilever beam high-order resonance excitation |
| CN205142051U (en) * | 2015-11-28 | 2016-04-06 | 西安科技大学 | Multi -direction vibration energy collection device of adjustable |
| CN106887973A (en) * | 2017-04-05 | 2017-06-23 | 南京邮电大学 | A kind of parallel composite beam piezoelectricity electromagnetism prisoner based on magneticaction can device |
| CN107246911A (en) * | 2017-06-09 | 2017-10-13 | 西南交通大学 | A kind of passive detection device of utilization piezoelectric structure |
| JP2019174254A (en) * | 2018-03-28 | 2019-10-10 | リバーエレテック株式会社 | AE sensor element and AE sensor |
| CN210689806U (en) * | 2019-11-28 | 2020-06-05 | 长安大学 | Noise detection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110793620B (en) | 2024-01-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210689806U (en) | Noise detection device | |
| CN204375986U (en) | Flexible ground equipment and system and corona current test probe thereof | |
| CN110793620A (en) | Noise detection device and detection method | |
| CN206267782U (en) | Drill bit control device and rig | |
| KR102183039B1 (en) | Alarm device with non-directional vibration detection function and vibration analysis function, and handrail including the same | |
| CN108177734A (en) | Multi-functional autonomous type spherical shape marine exploration device and detection method | |
| CN217008360U (en) | Wireless fire alarm device for fire engineering | |
| CN207007991U (en) | Built-in optic probe for gas-insulated switchgear Partial Discharge Detection | |
| CN213481541U (en) | Noise pollution monitoring and alarming device for city management | |
| CN210834094U (en) | Broadband modulation optical filter performance detection device | |
| CN211397665U (en) | Mine safety monitoring device | |
| CN101388135A (en) | Acousto-optic earthquake alarming device | |
| CN213180484U (en) | Novel hydraulic machinery manometer is reported to police device | |
| KR101034699B1 (en) | Solar led bar for deck | |
| CN109174661B (en) | Vertical welding machine nut height detection mistake proofing system | |
| CN112833752A (en) | Optical signal type thread verticality detection device | |
| CN202108217U (en) | Piezoelectric illumination floor | |
| CN109916832A (en) | A kind of detection of high-power fiber and its warning device | |
| CN110726111A (en) | Warning lamp | |
| CN104978812A (en) | Outdoor high-voltage operation safety warning device | |
| CN212645677U (en) | Wireless angular displacement sensor | |
| CN209727752U (en) | A kind of detection of high-power fiber and its warning device | |
| CN217957502U (en) | Protection device for electrical equipment fire detector | |
| CN202420479U (en) | Levelness monitoring device | |
| CN212847146U (en) | Glass overhauls device based on laser monitoring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |