CN113089515A - Automatic closed sound barrier of formula of unloading - Google Patents
Automatic closed sound barrier of formula of unloading Download PDFInfo
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- CN113089515A CN113089515A CN202110379995.7A CN202110379995A CN113089515A CN 113089515 A CN113089515 A CN 113089515A CN 202110379995 A CN202110379995 A CN 202110379995A CN 113089515 A CN113089515 A CN 113089515A
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- sound
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- 230000004888 barrier function Effects 0.000 title claims abstract description 47
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 37
- 239000010959 steel Substances 0.000 claims abstract description 37
- 238000010521 absorption reaction Methods 0.000 claims abstract description 20
- 238000009413 insulation Methods 0.000 claims abstract description 18
- 230000000694 effects Effects 0.000 claims description 17
- 239000011521 glass Substances 0.000 claims description 14
- 229910000838 Al alloy Inorganic materials 0.000 claims description 13
- 239000004744 fabric Substances 0.000 claims description 13
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 10
- 230000007797 corrosion Effects 0.000 claims description 10
- 238000005260 corrosion Methods 0.000 claims description 10
- 239000011491 glass wool Substances 0.000 claims description 10
- 239000006096 absorbing agent Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 238000010276 construction Methods 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 8
- 239000012784 inorganic fiber Substances 0.000 claims description 7
- 230000002209 hydrophobic effect Effects 0.000 claims description 5
- 238000004321 preservation Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 229920000742 Cotton Polymers 0.000 claims description 4
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 3
- 239000011358 absorbing material Substances 0.000 claims description 3
- 229910021417 amorphous silicon Inorganic materials 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 239000006060 molten glass Substances 0.000 claims description 3
- 229920000515 polycarbonate Polymers 0.000 claims description 3
- 239000004417 polycarbonate Substances 0.000 claims description 3
- 230000000379 polymerizing effect Effects 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 238000002834 transmittance Methods 0.000 claims description 3
- 230000032683 aging Effects 0.000 claims description 2
- 230000009467 reduction Effects 0.000 description 5
- 238000005452 bending Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000001603 reducing effect Effects 0.000 description 2
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
- E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
- E01F8/0017—Plate-like elements
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
- E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
- E01F8/0023—Details, e.g. foundations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering with light sensitive cells
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S30/00—Structural details of PV modules other than those related to light conversion
- H02S30/10—Frame structures
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The invention discloses an automatic unloading type closed sound barrier, which comprises H-shaped steel upright posts, H-shaped steel beam plates, wire harnesses, a wind speed sensor, a solar cell transparent plate and an automatic unloading type unit plate, wherein the H-shaped steel upright posts are mutually supported to form a frame structure, the H-shaped steel beam plates are arranged above the frame structure, the solar cell transparent plate is arranged at the top of the upper H-shaped steel upright posts, the wind speed sensor is arranged at the top of the solar cell transparent plate, the automatic unloading type unit plate is arranged at one end of the bottom of the H-shaped steel upright posts, a control box and a storage battery are electrically connected with the automatic unloading type unit plate, the structural sound barrier sound absorption and insulation unit plate is in a detachable type, rotary power is provided by a direct current motor, electric energy of the direct current motor is provided by the solar cell transparent plate at the top of the closed sound barrier, so that the load of the sound barrier is increased, and the used energy is clean energy, so that the environment is protected and the efficiency is high.
Description
Technical Field
The invention belongs to the technical field of closed sound barriers, and particularly relates to an automatic unloading type closed sound barrier.
Background
A sound barrier is a device inserted between the sound source and the receiver that provides a significant additional attenuation of the sound wave propagation, thereby attenuating the noise contribution in a certain area where the receiver is located. In the process of sound wave propagation, when meeting the sound barrier, three phenomena of reflection, transmission and diffraction can occur. It is generally believed that the barrier prevents the propagation of direct sound and provides sufficient attenuation of the total radiated sound with negligible effect of the transmitted sound. Therefore, the sound insulation effect of a sound barrier can be generally expressed by a noise reduction amount, which reflects the above-mentioned two shielding and sound transmission capabilities of the sound barrier. An acoustic barrier is inserted between the source and the receiver, the barrier being of infinite length so that sound waves can only diffract over the barrier to form an acoustic shadow zone behind it, as if the light were blocked by an object to form a shadow. In this shadow zone one may perceive that the noise is significantly reduced, which is the reason for the noise reducing effect of the sound barrier.
The stand and the crossbeam of current closed sound barrier steel construction all adopt the gate-type atress steelframe of H shaped steel stand conduct, and the sound barrier is inhaled the sound insulation cell board and is adopted the insertion mode to install in H shaped steel die cavity, inhales the sound insulation cell board and forms a enclosed construction with H shaped steel, hinders the propagation of sound, plays the effect of making an uproar that absorbs sound. However, the closed sound barrier adopts H-shaped steel as a stress structure, and the sound absorption and insulation unit plates are paved on the whole periphery, so that the self mass of the structure is large, and the vertical force and the bending moment transmitted to the foundation are much larger than those of the conventional vertical sound barrier. And the sound absorption and insulation unit plates on the side surfaces of the sound barrier and the H-shaped steel form a wind-break wall, so that when wind comes, wind pressure borne by the unit plates on the windward side can be converted into shearing force and bending moment through the H-shaped steel upright posts to be continuously applied to the foundation, and the foundation is required to have higher bearing capacity. External force transmitted by the sound barrier through the embedded part needs to be considered during basic design, the requirement on the structural design of a bridge body is high, and further the cost is invisibly increased. And when the noise reduction treatment is carried out on the existing bridge, the existing bridge cannot bear the load of the totally-enclosed sound barrier. When the traffic noise reduction measures are usually carried out on the existing bridge, the existing bridge cannot bear the load of the totally-enclosed sound barrier, the totally-enclosed sound barrier with higher noise reduction effect cannot be installed, and the vertical sound barrier with poorer noise reduction effect is selected. Therefore, there is a need for an improved structure of a closed type sound barrier, and an automatic unloading type closed type sound barrier is provided, which is convenient for better solving the above-mentioned problems.
Disclosure of Invention
The invention aims to: in order to solve the above-mentioned problems, an automatic unloading type closed sound barrier is provided.
The technical scheme adopted by the invention is as follows:
the utility model provides an automatic closed sound barrier of formula of unloading, includes H shaped steel stand, H shaped steel beam slab, pencil, air velocity transducer, solar cell transparent plate, automatic formula of unloading unit board, control box, battery, the H shaped steel stand supports mutually and constitutes frame construction, and installs H shaped steel beam slab above the frame construction, the pencil sets up in the inside of H shaped steel beam slab, and is located the top of H shaped steel stand is provided with the solar cell transparent plate, the top of solar cell transparent plate is provided with air velocity transducer, automatic formula of unloading unit board sets up the one end that is located the bottom at the H shaped steel stand, just be provided with control box and battery on the H shaped steel stand, control box and battery and automatic formula of unloading unit board electric connection.
In a preferred embodiment, the solar cell transparent plate is composed of an acrylic plate, a flexible solar cell panel and an aluminum alloy frame, wherein the acrylic plate is formed by polymerizing Methyl Methacrylate (MMA), has the characteristics of good light transmittance, pure color, rich colors, attractive appearance, two effects in the day and night, long service life, no influence on use and the like, and can be perfectly combined with the aluminum alloy frame, the flexible solar cell panel is a new technical product of the world solar industry, and is a solar cell panel which is formed by tiling an amorphous silicon encapsulated by resin as a main photoelectric element layer on a bottom plate made of a flexible material.
In a preferred embodiment, the acrylic plates are eight millimeters thick and two in number, the flexible solar cell panel is two millimeters thick, the flexible solar cell panel is tightly attached to the two acrylic plates, the aluminum alloy frame wraps the two acrylic plates, and a U-shaped strip is arranged at the joint of the aluminum alloy frame and the two acrylic plates.
In a preferred embodiment, automatic formula cell board of unloading comprises activity sound absorber, pivot, fastening bolt, direct current motor, fixed frame, backplate, panel, 48k glass cotton and fixed frame, the activity sound absorber comprises three-dimensional structure, and is much bigger than ordinary two-dimensional structure's sound absorbing material's effective sound absorbing area, has the sound absorption frequency band of broad, can the sound absorption of full play material, and the activity sound absorber is closely bonded at the middle part by backplate and panel, and external connection has fixed frame, the one end mid-mounting of fixed frame has direct current motor, and installs the pivot on the direct current motor, the pivot is connected with direct current motor through fastening bolt, and direct current motor's the one end is kept away from to the pivot is connected with the other end of fixed frame.
In a preferred embodiment, the 48k glass wool belongs to one category of glass fibers and is an artificial inorganic fiber, the glass wool is a material formed by fiberizing molten glass into a wool shape, the chemical components belong to glass, the glass wool is an inorganic fiber and has good forming property, small volume density, thermal conductivity, heat preservation and insulation property, good sound absorption property, corrosion resistance and stable chemical property, the 48k glass cloth is filled in the fixed frame, and the 48k glass cloth is wrapped by hydrophobic cloth, so that the water resistance is further improved.
In a preferred embodiment, the wind speed sensor is a device for measuring wind speed, is small and light in appearance, convenient to carry and assemble, and capable of effectively obtaining wind speed information, the shell is made of high-quality aluminum alloy sections or polycarbonate composite materials, is rain-proof, corrosion-resistant and anti-aging, and can be used outdoors for a long time, the wind speed sensor is a mechanical wind speed sensor, wind power generated by air flow pushes the sensor to rotate, the middle shaft drives the internal sensing element to generate pulse signals, and in a wind speed measurement range, the wind speed and the pulse frequency form a certain linear relation, and the wind speed can be calculated according to the linear relation.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. in the invention, the sound absorption and insulation unit plate with the structure is detachable, when the wind speed reaches a set speed, namely the wind pressure reaches a limit value, the sound absorption and insulation unit plate rotates 90 degrees around the central rotating shaft, the vertical rotation is horizontal, the sound absorption and insulation unit plate is opened and unloaded, wind can directly pass through the closed sound barrier, the wind pressure load on the side surface is realized, wherein the wind speed is measured by a wind speed measuring instrument arranged on the side surface and sends a control signal, the rotating power of the sound absorption and insulation unit plate is provided by a direct current motor arranged in the unit plate, the electric energy of the direct current motor is provided by a solar cell transparent plate on the top of the closed sound barrier, the load of the sound barrier is increased, and the used energy sources are clean energy sources, so that.
2. In the invention, the 48k glass wool is an inorganic fiber, has good molding, small volume density, thermal conductivity , heat preservation and insulation, good sound absorption performance, corrosion resistance and stable chemical performance, effectively increases the adaptability of the ceiling of the device in the open environment of wind, wind and sun, and the 48k glass cloth is filled in the fixed frame and is wrapped by the hydrophobic cloth, thereby further improving the water resistance, preventing the rain corrosion and reducing the maintenance cost.
Drawings
FIG. 1 is a closed cross-sectional view of an automatic unloading view closed type sound barrier according to the present invention;
FIG. 2 is an opening cross-sectional view of an automatic unloading view closed type sound barrier according to the present invention;
FIG. 3 is a front view of a transparent plate of a solar cell according to the present invention;
FIG. 4 is a side view of a transparent panel of a solar cell of the present invention;
FIG. 5 is a front view of the auto-unload cell plate of the present invention;
FIG. 6 is a side view of an auto-unload cell plate according to the present invention;
FIG. 7 is a top view of the auto-unload cell plate of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-7, an automatic unloading type closed sound barrier comprises an H-shaped steel upright post, an H-shaped steel beam plate, a wire harness, an air velocity sensor, a solar cell transparent plate, an automatic unloading type unit plate, a control box and a storage battery, and is characterized in that: h shaped steel stand supports mutually and constitutes frame construction, and installs H shaped steel beam slab above the frame construction, and the pencil sets up in the inside of H shaped steel beam slab, and is located the top of H shaped steel stand is provided with the solar cell transparent plate, and the top of solar cell transparent plate is provided with air velocity transducer, and the automatic formula unit board that unloads sets up the one end that is located the bottom at the H shaped steel stand, and is provided with control box and battery on the H shaped steel stand, control box and battery and automatic formula unit board that unloads are electric to be connected.
The solar cell transparent plate is composed of an acrylic plate, a flexible solar cell panel and an aluminum alloy frame, wherein the acrylic plate is formed by polymerizing Methyl Methacrylate (MMA), has the characteristics of good light transmittance, pure color, rich color, attractive appearance, consideration of two effects in the daytime and at night, long service life, no influence on use and the like, and can be perfectly combined with the aluminum alloy frame, the flexible solar cell panel is a new technical product of the world solar industry, and is a solar cell panel which is formed by tiling an amorphous silicon encapsulated by resin as a main photoelectric element layer on a bottom plate made of a flexible material.
The thickness of ya keli board is eight millimeters, and quantity is two, the thickness of flexible solar cell panel is two millimeters, and flexible solar cell panel is closely laminated by two ya keli boards, the outside of aluminum alloy frame parcel at two ya keli boards, and be provided with U type strip with the junction of ya keli board.
Automatic formula cell board unloads comprises activity sound absorber, pivot, fastening bolt, direct current motor, fixed frame, backplate, panel, 48k glass cotton and fixed frame, the activity sound absorber comprises three-dimensional structure, and is much bigger than ordinary two-dimensional structure's sound absorbing material's effective sound absorbing area, has the sound absorption frequency band of broad, can the sound absorption of full play material, and the activity sound absorber is closely bonded at the middle part by backplate and panel, and the external connection has fixed frame, the one end mid-mounting of fixed frame has direct current motor, and installs the pivot on the direct current motor, the pivot is passed through fastening bolt and is connected with direct current motor, and direct current motor's the one end is kept away from in the pivot is connected with the other end of fixed frame.
The 48k glass wool belongs to one category of glass fiber, is artificial inorganic fiber, is a material for forming a cotton shape by fiberizing molten glass, belongs to glass as a chemical component, is inorganic fiber, has good forming property, small volume density, thermal conductivity , heat preservation and insulation, good sound absorption performance, corrosion resistance and stable chemical performance, is filled in the fixed frame, and is wrapped by hydrophobic cloth outside the 48k glass cloth, so that the water resistance is further improved.
The wind speed sensor is used for measuring wind speed, is small and exquisite in appearance, convenient to carry and assemble, and capable of effectively obtaining wind speed information, the shell is made of high-quality aluminum alloy sections or polycarbonate composite materials, rain-proof, corrosion-resistant and ageing-resistant, and can be used outdoors for a long time.
The working principle is as follows: in this application, 48k glass wool is an inorganic fibre, has that the shaping is good, bulk density is little, thermal conductivity , heat preservation and insulation, sound absorption performance is good, corrosion-resistant, chemical properties are stable, has increased the adaptability of ceiling of this device under the open-air environment of blowing in the air effectively, and 48k glass cloth is filled inside fixed frame, and 48k glass cloth outer parcel has hydrophobic cloth, further improves the water proofness, prevents the rainwater corrosion, reduces the maintenance cost.
In this application, this kind of structure sound barrier sound absorption and insulation cell board is the detachable formula of carrying, reach the set speed when the wind speed, when the wind pressure reaches the limit value promptly, sound absorption and insulation cell board is rotatory 90 around central pivot, it is horizontal by vertical rotation, open the uninstallation, wind can directly pass from closed sound barrier, side wind pressure load, wherein the wind speed is measured and is sent control signal by the wind speed measuring apparatu who sets up in the side, the rotary power who inhales sound insulation cell board is provided by the direct current motor who sets up in the cell inboard, direct current motor's electric energy is provided by the solar cell transparent plate at closed sound barrier top, the load of sound barrier has not only been increased, and the energy that uses is clean energy, the environmental protection is high-efficient.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides an automatic closed sound barrier of formula of unloading, includes H shaped steel stand, H shaped steel beam slab, pencil, air velocity transducer, solar cell transparent plate, automatic formula cell board, control box, battery of unloading, its characterized in that: h shaped steel stand supports mutually and constitutes frame construction, and installs H shaped steel beam slab above the frame construction, the pencil sets up in the inside of H shaped steel beam slab, and is located the top of H shaped steel stand is provided with the solar cell transparent plate, the top of solar cell transparent plate is provided with air velocity transducer, the automatic formula unit board that unloads sets up the one end that is located the bottom at the H shaped steel stand, just be provided with control box and battery on the H shaped steel stand, control box and battery and automatic formula unit board that unloads are connected.
2. The self-unloading closed sound barrier of claim 1, wherein: the solar cell transparent plate is composed of an acrylic plate, a flexible solar cell panel and an aluminum alloy frame, wherein the acrylic plate is formed by polymerizing Methyl Methacrylate (MMA), has the characteristics of good light transmittance, pure color, rich color, attractive appearance, consideration of two effects in the daytime and at night, long service life, no influence on use and the like, and can be perfectly combined with the aluminum alloy frame, the flexible solar cell panel is a new technical product of the world solar industry, and is a solar cell panel which is formed by tiling an amorphous silicon encapsulated by resin on a bottom plate made of a flexible material as a main photoelectric element layer.
3. The self-unloading closed sound barrier of claim 2, wherein: the thickness of ya keli board is eight millimeters, and quantity is two, the thickness of flexible solar cell panel is two millimeters, and flexible solar cell panel is closely laminated by two ya keli boards, the aluminum alloy frame parcel is in the outside of two ya keli boards, and is provided with U type strip with the junction of ya keli board.
4. The self-unloading closed sound barrier of claim 1, wherein: automatic formula cell board unloads comprises activity sound absorber, pivot, fastening bolt, direct current motor, fixed frame, backplate, panel, 48k glass cotton and fixed frame, the activity sound absorber comprises three-dimensional structure, and is much bigger than ordinary two-dimensional structure's sound absorbing material's effective sound absorbing area, has the sound absorption frequency band of broad, can the sound absorption of full play material, and the activity sound absorber closely bonds at the middle part by backplate and panel, and the external connection has fixed frame, the one end mid-mounting of fixed frame has direct current motor, and installs the pivot on the direct current motor, the pivot is passed through fastening bolt and is connected with direct current motor, and direct current motor's the one end is kept away from in the pivot is connected with the other end of fixed frame.
5. The self-unloading closed sound barrier of claim 4, wherein: the 48k glass wool belongs to one category of glass fibers and is an artificial inorganic fiber, the glass wool is a material formed by fiberizing molten glass, chemical components of the glass wool belong to glass, the glass wool is an inorganic fiber and has the advantages of good forming, small volume density, thermal conductivity , heat preservation and insulation, good sound absorption performance, corrosion resistance and stable chemical performance, the 48k glass cloth is filled in the fixed frame, and the 48k glass cloth is wrapped by hydrophobic cloth, so that the water resistance is further improved.
6. The self-unloading closed sound barrier of claim 1, wherein: the wind speed sensor is a device for measuring wind speed, is small and exquisite in appearance, convenient to carry and assemble, and capable of effectively obtaining wind speed information, the shell is made of high-quality aluminum alloy sections or polycarbonate composite materials, rain-proof, corrosion-resistant and ageing-resistant, and can be used outdoors for a long time.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110379995.7A CN113089515A (en) | 2021-04-09 | 2021-04-09 | Automatic closed sound barrier of formula of unloading |
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| CN202110379995.7A CN113089515A (en) | 2021-04-09 | 2021-04-09 | Automatic closed sound barrier of formula of unloading |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113981846A (en) * | 2021-09-27 | 2022-01-28 | 江苏华之杰环境科技有限公司 | Solar photovoltaic type sound barrier based on micro-through hole foam ceramic plate |
| CN114657912A (en) * | 2022-04-17 | 2022-06-24 | 国能黄大铁路有限责任公司 | Vertical telescopic sound barrier device with active wind pressure adjusting function |
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| CN113981846A (en) * | 2021-09-27 | 2022-01-28 | 江苏华之杰环境科技有限公司 | Solar photovoltaic type sound barrier based on micro-through hole foam ceramic plate |
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| CN114657912A (en) * | 2022-04-17 | 2022-06-24 | 国能黄大铁路有限责任公司 | Vertical telescopic sound barrier device with active wind pressure adjusting function |
| CN114657912B (en) * | 2022-04-17 | 2023-11-28 | 国能黄大铁路有限责任公司 | Vertical telescopic sound barrier device with initiative wind pressure adjusting function |
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