CN114199370A - Noise monitoring device for environmental monitoring - Google Patents
Noise monitoring device for environmental monitoring Download PDFInfo
- Publication number
- CN114199370A CN114199370A CN202210009939.9A CN202210009939A CN114199370A CN 114199370 A CN114199370 A CN 114199370A CN 202210009939 A CN202210009939 A CN 202210009939A CN 114199370 A CN114199370 A CN 114199370A
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- lifting
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 65
- 238000012544 monitoring process Methods 0.000 title claims abstract description 25
- 230000007613 environmental effect Effects 0.000 title claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 39
- 238000004140 cleaning Methods 0.000 claims abstract description 33
- 238000006073 displacement reaction Methods 0.000 claims abstract description 26
- 230000008093 supporting effect Effects 0.000 claims description 22
- 229920001821 foam rubber Polymers 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 10
- 239000000428 dust Substances 0.000 abstract description 5
- 230000008859 change Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000003028 elevating effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The invention discloses a noise monitoring device for environmental monitoring, which relates to the technical field of noise monitoring devices and comprises a noise monitoring device, wherein a lifting mechanism is arranged at the bottom of the noise monitoring device, a displacement mechanism is arranged at the bottom of the lifting mechanism, the noise monitoring device comprises a cleaning mechanism, the cleaning mechanism comprises a cleaning shell, a motor is arranged in the cleaning shell, and a sliding groove is formed in the cleaning shell. According to the invention, the motor, the rotating threaded rod, the mounting plate, the cleaning block, the sponge pad and the threaded block are matched, the motor enables the threaded sliding block to displace by rotating the threaded rod, and the cleaning block and the sponge pad are moved by the mounting plate to clean the surface of the display screen, so that the problem that dust, moisture and the like are attached to the surface of the display screen due to the fact that the noise monitoring device is arranged outdoors is solved, and the effect of effectively cleaning the surface of the display screen is achieved.
Description
Technical Field
The invention relates to the technical field of noise monitoring devices, in particular to a noise monitoring device for environment monitoring.
Background
The environmental monitoring means that the environmental quality of a monitoring place is determined by measuring indexes reflecting the environmental quality, at present, when the environmental quality is monitored, a worker is required to bring a special monitor to the monitoring place for monitoring, and in the noise monitoring process, the noise monitoring device for environmental monitoring is often applied.
The following problems exist in the prior art:
1. the traditional noise monitoring device usually displays the current noise through a display screen, and because the noise monitoring device is sometimes arranged outdoors, dust, moisture and the like are attached to the surface of the display screen, so that workers are influenced to observe the display numerical value of the display screen;
2. the traditional noise monitoring device is lack of a lifting function, the heights of the noise monitoring devices are different due to different arrangement places, and different noise monitoring devices are generally required to be adopted, so that the existing noise monitoring device is limited in applicable environment;
3. the displacement of the existing noise monitoring device is difficult, the supporting block is usually adopted to support after the displacement is completed, wherein the supporting block needs to be replaced periodically, and the stability of the noise monitoring device can be directly influenced due to insufficient fixation after the replacement is completed.
Disclosure of Invention
The invention provides a noise monitoring device for environmental monitoring, which has the effect of effectively cleaning the surface of a display screen, and solves the problems that the traditional noise monitoring device usually displays the current noise through the display screen, and the surface of the display screen is adhered with dust, moisture and the like due to the fact that the noise monitoring device is sometimes arranged outdoors, so that a worker can be influenced to observe the display value of the display screen; the other purpose is to solve the problem that the conventional noise monitoring device is lack of a lifting function, the heights of the noise monitoring devices are different due to different setting places, and the application environment of the conventional noise monitoring device is limited due to the fact that different noise monitoring devices are generally adopted, so that the effect of improving the application range of the noise monitoring device is achieved; wherein another kind of purpose is in order to solve current noise monitoring device displacement comparatively difficult, adopts the supporting shoe to carry out the supporting role after the displacement is accomplished usually, and wherein the supporting shoe needs periodic replacement, changes the problem of accomplishing the stability that the fixed not enough probably directly influences noise monitoring device to reach the effect of guaranteeing noise monitoring device stability.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the utility model provides a noise monitoring device for environmental monitoring, includes noise monitoring device, noise monitoring device's bottom is provided with elevating system, elevating system's bottom is provided with displacement mechanism.
Noise monitoring device is including clean mechanism, clean mechanism is including clean shell, the inside of clean shell is provided with the motor, the spout has been seted up to the inside of clean shell, the output fixedly connected with of motor rotates the threaded rod, the bottom of rotating the threaded rod and the inner wall bottom swing joint of spout, the inside threaded connection that the surface of rotating the threaded rod just is located the spout has the screw ring piece, the positive fixedly connected with connecting rod of screw ring piece, the front of connecting rod extends to the outside fixedly connected with mounting panel of clean shell, the clean piece of the back fixedly connected with of mounting panel, the back fixedly connected with elasticity plectrum of mounting panel, the back fixedly connected with foam-rubber cushion of elasticity plectrum.
Elevating system includes the lift shell, the inner wall bottom swing joint of lift shell has movable threaded rod, movable threaded rod's fixed surface is connected with bevel gear No. one, bevel gear's surface toothing has No. two bevel gears, one side fixedly connected with double-end motor of No. two bevel gears, double-end motor sets up the inner wall bottom at the lift shell, movable threaded rod's surface and the top that is located bevel gear are provided with the baffle, the side of baffle and the inner wall side fixed connection of lift shell, the top fixedly connected with cushion of baffle, the top fixedly connected with spring of baffle, movable threaded rod's surface threaded connection has the lifter plate No. one.
The displacement mechanism includes fixed shell, the inside of fixed shell is seted up flutedly, the inner wall top of recess is provided with electric putter, No. two lifter plates of electric putter's bottom fixedly connected with, the side of No. two lifter plates and the inner wall side swing joint of recess, the bottom fixedly connected with dead lever of No. two lifter plates, the inside of dead lever is provided with the trompil, the inner wall of trompil is provided with the electro-magnet, the inner wall fixedly connected with flexure strip of trompil, the inside fixedly connected with gag lever post of flexure strip.
The technical scheme of the invention is further improved as follows: the both ends of gag lever post extend to the outside of flexure strip, the outside fixedly connected with fixture block that one end of gag lever post just is located the flexure strip.
By adopting the technical scheme, the arrangement of the elastic sheet in the scheme ensures that the clamping block cannot be separated from the opening in the displacement process.
The technical scheme of the invention is further improved as follows: the inner thread of the fixed rod is connected with a thread block, and the bottom of the thread block is fixedly connected with a supporting block.
By adopting the technical scheme, the thread block in the scheme is in threaded connection with the fixed rod, so that the primary fixation for the supporting block is formed.
The technical scheme of the invention is further improved as follows: the inside of supporting shoe is provided with the magnet piece, the bottom of fixed shell is provided with wheel mechanism.
By adopting the technical scheme, the arrangement of the wheel mechanism in the scheme simplifies the displacement of the noise monitoring device.
The technical scheme of the invention is further improved as follows: the side of the first lifting plate is movably connected with the side of the inner wall of the lifting shell, and the tops of the elastic pad and the spring are fixedly connected with the bottom of the first lifting plate.
Adopt above-mentioned technical scheme, cushion, the spring in this scheme all can take place to deform, has guaranteed the stability of a lifter plate simultaneously through the bounce of cushion, spring.
The technical scheme of the invention is further improved as follows: the top of fixed shell and the bottom fixed connection of lift shell, the top fixedly connected with mounting panel of lifter plate No. one.
By adopting the technical scheme, the lifting change of the first lifting plate in the scheme directly drives the mounting plate to be lifted and changed.
The technical scheme of the invention is further improved as follows: the top of mounting panel extends to the outside of lift shell and is provided with the noise monitor, clean shell fixed connection is in the front of mounting panel.
By adopting the technical scheme, the noise monitor in the scheme monitors the noise of the current environment.
The technical scheme of the invention is further improved as follows: the inside of clean shell is provided with the display screen, the front overlap joint of display screen is all gone with to the back of clean piece, foam-rubber cushion.
By adopting the technical scheme, the display screen in the scheme can display the current noise index.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the technical progress that:
1. the invention provides a noise monitoring device for environmental monitoring, which adopts the matching of a motor, a rotating threaded rod, a mounting plate, a cleaning block, a sponge pad and a threaded block, wherein the motor enables a threaded sliding block to displace by rotating the threaded rod, and then the cleaning block and the sponge pad are moved by the mounting plate to clean the surface of a display screen.
2. The invention provides a noise monitoring device for environmental monitoring, which adopts the matching of a movable threaded rod, a first lifting plate, a first bevel gear, a second bevel gear and a double-head motor, when the double-head motor is started, the movable threaded rod is rotated through the continuous meshing of the first bevel gear and the second bevel gear, so as to drive the lifting change of the first lifting plate, solve the problem that the traditional noise monitoring device is lack of lifting function, has different heights because of different setting places, generally needs different noise monitoring devices, and causes the problem that the prior noise monitoring device is limited in applicable environment, and achieve the effect of improving the application range of the noise monitoring device.
3. The invention provides a noise monitoring device for environmental monitoring, which adopts the matching of a wheel mechanism, a fixed rod, a fixture block, a threaded block, a support block, an electromagnet and an elastic sheet, and carries out displacement through the wheel mechanism, the support block and the fixed rod achieve initial fixing through the threaded block, the electromagnet is stopped to be electrified, the fixture block is driven to be inserted into a corresponding limit groove under the action of the elastic sheet resilience, so that the problems that the existing noise monitoring device is difficult to displace, the support block is usually adopted to carry out supporting action after displacement is completed, the support block needs to be replaced periodically, the stability of the noise monitoring device is possibly and directly influenced due to insufficient fixing after replacement is completed are solved, and the effect of ensuring the stability of the noise monitoring device is achieved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a noise monitoring device according to the present invention;
FIG. 3 is a schematic view of the cleaning mechanism of the present invention;
FIG. 4 is a schematic structural diagram of the lifting mechanism of the present invention;
FIG. 5 is a schematic view of the displacement mechanism of the present invention;
fig. 6 is an enlarged view of the displacement mechanism a according to the present invention.
In the figure: 1. a noise monitoring device; 11. a noise monitor; 12. mounting a plate; 13. a cleaning mechanism; 131. cleaning the housing; 132. a motor; 133. rotating the threaded rod; 134. mounting a plate; 135. a cleaning block; 136. an elastic shifting piece; 137. a sponge cushion; 138. a connecting rod; 139. a threaded ring block; 14. a display screen; 2. a lifting mechanism; 21. lifting the housing; 22. a movable threaded rod; 23. a first lifting plate; 24. an elastic pad; 25. a spring; 26. a first bevel gear; 27. a second bevel gear; 28. a double-headed motor; 29. a baffle plate; 3. a displacement mechanism; 31. an electric push rod; 32. a second lifting plate; 33. a wheel mechanism; 34. fixing the rod; 35. a magnet block; 36. a clamping block; 37. a limiting rod; 38. a thread block; 39. a support block; 40. an electromagnet; 41. an elastic sheet; 42. the housing is fixed.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
example 1
As shown in fig. 1 to 6, the present invention provides a noise monitoring device for environmental monitoring, comprising a noise monitoring device 1, wherein a lifting mechanism 2 is disposed at the bottom of the noise monitoring device 1, a displacement mechanism 3 is disposed at the bottom of the lifting mechanism 2, the noise monitoring device 1 comprises a cleaning mechanism 13, the cleaning mechanism 13 comprises a cleaning housing 131, a motor 132 is disposed inside the cleaning housing 131, a chute is disposed inside the cleaning housing 131, a rotating threaded rod 133 is fixedly connected to an output end of the motor 132, the bottom of the rotating threaded rod 133 is movably connected to the bottom of an inner wall of the chute, a threaded ring block 139 is threadedly connected to the inside of the chute on the surface of the rotating threaded rod 133, a connecting rod 138 is fixedly connected to the front of the threaded ring block 139, a mounting plate 134 is fixedly connected to the outside of the cleaning housing 131 and the front of the connecting rod 138, a cleaning block 135 is fixedly connected to the back of the mounting plate 134, an elastic shifting sheet 136 is fixedly connected to the back of the mounting plate 134, and a sponge pad 137 is fixedly connected to the back of the elastic shifting sheet 136.
In this embodiment, when needing to clean, starting motor 132 this moment, motor 132 makes threaded ring piece 139 carry out the displacement through rotating threaded rod 133, threaded ring piece 139's displacement makes mounting panel 134 carry out the displacement through connecting rod 138, make foam-rubber cushion 137, clean piece 135 and display screen 14 surface contact, thereby clean display screen 14 surface, wherein clean piece 135 is the chemical fibre material, can not cause the damage to display screen 14 surface, produce static with dust particle friction simultaneously, adsorb the dust through static.
Example 2
As shown in fig. 1 to 6, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the lifting mechanism 2 comprises a lifting shell 21, a movable threaded rod 22 is movably connected to the bottom of the inner wall of the lifting shell 21, a first bevel gear 26 is fixedly connected to the surface of the movable threaded rod 22, a second bevel gear 27 is meshed with the surface of the first bevel gear 26, a double-head motor 28 is fixedly connected to one side of the second bevel gear 27, the double-head motor 28 is arranged at the bottom of the inner wall of the lifting shell 21, a baffle 29 is arranged on the surface of the movable threaded rod 22 and above the first bevel gear 26, the side surface of the baffle 29 is fixedly connected with the side surface of the inner wall of the lifting shell 21, an elastic cushion 24 is fixedly connected to the top of the baffle 29, a spring 25 is fixedly connected to the top of the baffle 29, a first lifting plate 23 is connected to the surface of the movable threaded rod 22 through a screw thread, the side surface of the first lifting plate 23 is movably connected with the side surface of the inner wall of the lifting shell 21, and the elastic cushion 24, the top of spring 25 is fixedly connected with the bottom of lifting plate 23.
In this embodiment, in the height adjustment process, start double-end motor 28, double-end motor 28 can make No. two bevel gear 27 rotate, through No. two bevel gear 27 and bevel gear 26 constantly mesh for movable threaded rod 22 rotates, thereby makes No. one lifter plate 23 drive mounting panel 12 and takes place the lift change, wherein further improves the stability of a lifter plate 23 through the bounce of cushion 24, spring 25.
Example 3
As shown in fig. 1 to 6, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the displacement mechanism 3 includes a fixed housing 42, a groove is formed in the fixed housing 42, an electric push rod 31 is arranged on the top of the inner wall of the groove, a second lifting plate 32 is fixedly connected to the bottom of the electric push rod 31, the side surface of the second lifting plate 32 is movably connected to the side surface of the inner wall of the groove, a fixing rod 34 is fixedly connected to the bottom of the second lifting plate 32, an opening is formed in the fixing rod 34, an electromagnet 40 is arranged on the inner wall of the opening, an elastic sheet 41 is fixedly connected to the inner wall of the opening, a limiting rod 37 is fixedly connected to the inside of the elastic sheet 41, two ends of the limiting rod 37 extend to the outside of the elastic sheet 41, a clamping block 36 is fixedly connected to one end of the limiting rod 37 and located on the outside of the elastic sheet 41, a threaded block 38 is connected to the inner thread of the fixing rod 34, a supporting block 39 is fixedly connected to the bottom of the threaded block 38, and a magnetic block 35 is arranged in the supporting block 39, the bottom of fixed shell 42 is provided with wheel mechanism 33, the top of fixed shell 42 and the bottom fixed connection of lift shell 21, the top fixedly connected with mounting panel 12 of lifter plate 23, the outside that the top of mounting panel 12 extended to lift shell 21 is provided with noise monitor 11, clean shell 131 fixed connection is in the front of mounting panel 12, the inside of clean shell 131 is provided with display screen 14, the back of clean piece 135, foam-rubber cushion 137 all with the front overlap joint of display screen 14.
In this embodiment, make the displacement of noise monitoring device 1 convenient through wheel mechanism 33, after the displacement is accomplished, control electric putter 31, drive supporting shoe 39 through dead lever 34 and carry out the displacement, thereby the effect of fixed position has been reached, and when fixed to supporting shoe 39, because the fixed slot has been seted up to supporting shoe 39 inside, insert dead lever 34 back in supporting shoe 39, through rotating supporting shoe 39, make and form preliminary fixed through thread piece 38 between dead lever 34 and the supporting shoe 39, stop to circular telegram electro-magnet 40 afterwards, make electro-magnet 40 and gag lever post 37 lose the connection, under the effect of elastic sheet 41 bounce, make fixture block 36 insert corresponding spacing inslot, form the secondary and fix, because fixture block 36 material has certain magnetism, magnet block 35 further prescribes a limit to the position of fixture block 36 through magnetic force, thereby the fixing is accomplished.
The operation principle of the noise monitoring device for environmental monitoring will be described in detail below.
As shown in fig. 1-6, during the cleaning process, the motor 132 displaces the threaded ring 139 by rotating the threaded rod 133, and further displaces the mounting plate 134 by the connecting rod 138, so that the sponge pad 137 and the cleaning block 135 contact with the surface of the display screen 14, thereby cleaning the surface of the display screen 14, during the height adjustment process, the double-headed motor 28 rotates the second bevel gear 27, the movable threaded rod 22 rotates by the continuous engagement of the second bevel gear 27 and the first bevel gear 26, thereby driving the mounting plate 12 to undergo a lifting change by the first lifting plate 23, wherein the stability of the first lifting plate 23 is further improved by the resilience of the elastic pad 24 and the spring 25, the displacement of the noise monitoring device 1 is facilitated by the wheel mechanism 33, and after the displacement is completed, the electric push rod 31 is controlled, the supporting block 39 is driven by the fixing rod 34 to displace, thereby the effect of fixed position has been reached, and when fixed to supporting shoe 39, form preliminary fixed through thread piece 38 between dead lever 34 and the supporting shoe 39, stop afterwards to electro-magnet 40 circular telegram, under the effect of elastic sheet 41 bounce, make fixture block 36 insert corresponding spacing inslot, form the secondary and fix, because fixture block 36 material has certain magnetism, the further injecing in position of fixture block 36 is passed through magnetic force to magnet piece 35 to fixed the completion.
The present invention has been described in general terms in the foregoing, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Therefore, modifications or improvements are within the scope of the invention without departing from the spirit of the inventive concept.
Claims (8)
1. The utility model provides a noise monitoring device for environmental monitoring, includes noise monitoring device (1), its characterized in that: the bottom of the noise monitoring device (1) is provided with a lifting mechanism (2), and the bottom of the lifting mechanism (2) is provided with a displacement mechanism (3);
the noise monitoring device (1) comprises a cleaning mechanism (13), the cleaning mechanism (13) comprises a cleaning shell (131), a motor (132) is arranged inside the cleaning shell (131), a sliding groove is formed inside the cleaning shell (131), an output end fixedly connected with a rotating threaded rod (133) of the motor (132), the bottom of the rotating threaded rod (133) is movably connected with the bottom of the inner wall of the sliding groove, the surface of the rotating threaded rod (133) is connected with a threaded ring block (139) through internal threads located in the sliding groove, a connecting rod (138) is fixedly connected with the front side of the threaded ring block (139), the front side of the connecting rod (138) extends to an external fixedly connected with mounting plate (134) of the cleaning shell (131), a cleaning block (135) is fixedly connected with the back side of the mounting plate (134), and an elastic shifting sheet (136) is fixedly connected with the back side of the mounting plate (134), the back of the elastic shifting sheet (136) is fixedly connected with a sponge pad (137);
the lifting mechanism (2) comprises a lifting shell (21), a movable threaded rod (22) is movably connected to the bottom of the inner wall of the lifting shell (21), a first bevel gear (26) is fixedly connected to the surface of the movable threaded rod (22), a second bevel gear (27) is meshed to the surface of the first bevel gear (26), a double-head motor (28) is fixedly connected to one side of the second bevel gear (27), the double-head motor (28) is arranged at the bottom of the inner wall of the lifting shell (21), a baffle (29) is arranged on the surface of the movable threaded rod (22) and above the first bevel gear (26), the side face of the baffle (29) is fixedly connected to the side face of the inner wall of the lifting shell (21), an elastic cushion (24) is fixedly connected to the top of the baffle (29), and a spring (25) is fixedly connected to the top of the baffle (29), the surface of the movable threaded rod (22) is in threaded connection with a first lifting plate (23);
displacement mechanism (3) are including fixed shell (42), the inside of fixed shell (42) is seted up flutedly, the inner wall top of recess is provided with electric putter (31), No. two lifter plates of bottom fixedly connected with (32) of electric putter (31), the side of No. two lifter plates (32) and the inner wall side swing joint of recess, bottom fixedly connected with dead lever (34) of No. two lifter plates (32), the inside of dead lever (34) is provided with the trompil, the inner wall of trompil is provided with electro-magnet (40), the inner wall fixedly connected with flexure strip (41) of trompil, the inside fixedly connected with gag lever post (37) of flexure strip (41).
2. The noise monitoring device for environmental monitoring according to claim 1, wherein: the both ends of gag lever post (37) extend to the outside of flexure strip (41), the outside fixedly connected with fixture block (36) of one end and the lieing in flexure strip (41) of gag lever post (37).
3. The noise monitoring device for environmental monitoring according to claim 2, wherein: the inner thread of the fixing rod (34) is connected with a thread block (38), and the bottom of the thread block (38) is fixedly connected with a supporting block (39).
4. The noise monitoring device for environmental monitoring according to claim 3, wherein: the inside of supporting shoe (39) is provided with magnet piece (35), the bottom of fixed shell (42) is provided with wheel mechanism (33).
5. The noise monitoring device for environmental monitoring according to claim 1, wherein: the side of the first lifting plate (23) is movably connected with the side of the inner wall of the lifting shell (21), and the tops of the elastic pad (24) and the spring (25) are fixedly connected with the bottom of the first lifting plate (23).
6. The noise monitoring device for environmental monitoring according to claim 1, wherein: the top of the fixed shell (42) is fixedly connected with the bottom of the lifting shell (21), and the top of the first lifting plate (23) is fixedly connected with the mounting plate (12).
7. The noise monitoring device for environmental monitoring according to claim 6, wherein: the top of mounting panel (12) extends to the outside of lift shell (21) and is provided with noise monitor (11), clean shell (131) fixed connection is in the front of mounting panel (12).
8. The noise monitoring device for environmental monitoring according to claim 7, wherein: the inside of clean shell (131) is provided with display screen (14), the front overlap joint of display screen (14) is all gone up with the back of cleaning block (135), foam-rubber cushion (137).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210009939.9A CN114199370B (en) | 2022-01-06 | 2022-01-06 | Noise monitoring device for environmental monitoring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210009939.9A CN114199370B (en) | 2022-01-06 | 2022-01-06 | Noise monitoring device for environmental monitoring |
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| CN114199370A true CN114199370A (en) | 2022-03-18 |
| CN114199370B CN114199370B (en) | 2024-06-11 |
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| CN202210009939.9A Active CN114199370B (en) | 2022-01-06 | 2022-01-06 | Noise monitoring device for environmental monitoring |
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| CN215262048U (en) * | 2021-05-26 | 2021-12-21 | 深圳市益清源环保科技有限公司 | Noise on-line monitoring equipment |
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| CN211447920U (en) * | 2019-09-12 | 2020-09-08 | 重庆城市职业学院 | Protection device for smart city infrastructure integrated management platform |
| CN211783848U (en) * | 2020-04-26 | 2020-10-27 | 南京海精电子技术有限公司 | Noise monitoring system for turbine |
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| CN114199370B (en) | 2024-06-11 |
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