CN112282089B - Rheological state acoustic celotex board based on classic absorption - Google Patents
Rheological state acoustic celotex board based on classic absorption Download PDFInfo
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- CN112282089B CN112282089B CN202011123653.0A CN202011123653A CN112282089B CN 112282089 B CN112282089 B CN 112282089B CN 202011123653 A CN202011123653 A CN 202011123653A CN 112282089 B CN112282089 B CN 112282089B
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- permanent magnet
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- storage tank
- cooling
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- 238000010521 absorption reaction Methods 0.000 title claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 34
- 238000001816 cooling Methods 0.000 claims abstract description 32
- 239000012530 fluid Substances 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 230000005389 magnetism Effects 0.000 claims description 8
- 239000002826 coolant Substances 0.000 claims 1
- 238000009413 insulation Methods 0.000 abstract description 20
- 239000003990 capacitor Substances 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 6
- 230000002596 correlated effect Effects 0.000 abstract description 2
- 239000000110 cooling liquid Substances 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 210000002421 cell wall Anatomy 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B1/8209—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only sound absorbing devices
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B1/84—Sound-absorbing elements
- E04B1/86—Sound-absorbing elements slab-shaped
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/88—Insulating elements for both heat and sound
- E04B1/90—Insulating elements for both heat and sound slab-shaped
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/08—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag
- F28D7/082—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag with serpentine or zig-zag configuration
- F28D7/085—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag with serpentine or zig-zag configuration in the form of parallel conduits coupled by bent portions
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Architecture (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
Abstract
The invention discloses a rheological state acoustic celotex board based on classical absorption, which comprises a mounting plate, wherein a liquid storage tank is arranged on the mounting plate, electrorheological fluid is filled in the liquid storage tank, a first capacitor plate and a second capacitor plate are symmetrically arranged on the inner wall of the liquid storage tank, a snakelike heat exchange coil pipe is arranged in the liquid storage tank, a placing tank and a cooling tank are respectively arranged on the mounting plate, a second permanent magnet is elastically connected to the inner top wall of the cooling tank through a return spring, and the second permanent magnet is in sealing sliding connection with the cooling tank. According to the invention, the electrorheological fluid is matched with the detector, so that the sound absorption degree of the sound insulation board is positively correlated with the noise intensity, and when the noise intensity is increased, the sound absorption capacity of the sound insulation board is increased, so that the sound insulation range of the sound insulation board on the noise can be improved, and the sound insulation effect of the sound insulation board is further improved.
Description
Technical Field
The invention relates to the technical field of sound insulation boards, in particular to a rheological state sound insulation board based on classical absorption.
Background
The noise is usually the sound that the sound-producing body makes when random vibration, and noise intensity too big can cause the injury to people's ear, and is in the environment of noise for a long time, can cause the injury of irreversible to people's health more.
All can send huge noise when equipment moves in many factory workshops, consequently need set up the acoustic celotex board around these equipment, thereby the separation perhaps weakens the harm of noise, traditional acoustic celotex board simple structure, mainly be through filling fluffy sound cotton of inhaling to cushion the refraction to sound, the sound-proofing ability is poor, and because used material is fixed, the acoustic celotex board is fixed to isolated sound's frequency and range of amplitude, the noise intensity that equipment sent in reality is different, and often can change, and then the sound insulation effect that leads to the acoustic celotex board is relatively poor.
The viscous absorption is a kind of classical absorption, and refers to that when sound waves pass through a medium, particles of the medium generate internal friction due to relative motion, i.e. viscous action, so as to cause sound absorption, and the absorption coefficient in the viscous absorption formula of fluid sound absorption caused by viscosity in the fluid is proportional to the fluid viscosity coefficient.
Disclosure of Invention
The invention aims to solve the defect that the traditional sound insulation board in the prior art has poor sound insulation effect due to a small sound insulation frequency range, and provides a rheological state sound insulation board based on classical absorption.
In order to achieve the purpose, the invention adopts the following technical scheme:
a rheological state acoustic celotex board based on classical absorption comprises a mounting plate, wherein a liquid storage tank is arranged on the mounting plate, electrorheological fluid is filled in the liquid storage tank, a first capacitor plate and a second capacitor plate are symmetrically arranged on the inner wall of the liquid storage tank, a snakelike heat exchange coil is arranged in the liquid storage tank, a placing groove and a cooling groove are respectively arranged on the mounting plate, a second permanent magnet is elastically connected on the top wall in the cooling groove through a reset spring and is in sealed sliding connection with the cooling groove, the cooling groove is divided into a driving area and a driven area from top to bottom by the second permanent magnet, a liquid discharge pipe is communicated between the driving area and the input end of the heat exchange coil, a return pipe is communicated between the driven area and the output end of the heat exchange coil, cooling liquid is filled in the cooling groove, the heat exchange coil, the liquid discharge pipe and the return pipe, and a first permanent magnet is slidably connected in the placing groove, and the magnetic pole of one side that first permanent magnetism piece and second permanent magnetism piece are relative is the same, diapire fixedly connected with electro-magnet in the standing groove, and electro-magnet and the magnetic pole of one side that first permanent magnetism piece is relative is the same, install the detector on the mounting panel, the output of detector pass through the wire in proper order with first electric capacity board, second electric capacity board, electro-magnet electric connection.
Preferably, install the attention device on the mounting panel, and the input of attention device passes through the wire and the output electric connection of detector.
Preferably, evenly be equipped with a plurality of fin between the cell wall of cooling bath and the external world, first permanent magnetism piece passes through the sealed sliding connection of the cell wall of sealing washer with the standing groove, the intercommunication is equipped with many communicating pipes between roof and the external world in the standing groove, and the one end that the standing groove was kept away from to many communicating pipes is just right with a plurality of fin.
Preferably, a through hole is vertically formed in the second permanent magnet, and a first one-way valve, a second one-way valve and a third one-way valve are respectively installed in the liquid discharge pipe, the return pipe and the through hole.
The invention has the beneficial effects that:
1. according to the invention, the electrorheological fluid is matched with the detector, so that the sound absorption degree of the sound insulation board is positively correlated with the noise intensity, and when the noise intensity is increased, the sound absorption capacity of the sound insulation board is increased, so that the sound insulation range of the sound insulation board on the noise can be improved, and the sound insulation effect of the sound insulation board is further improved.
2. According to the invention, the electromagnet, the cooling tank and the heat exchange coil are arranged, and the action of the magnetic field of the electromagnet is utilized, so that the second permanent magnet block reciprocates up and down in the cooling tank along with the change of the external noise intensity, thereby driving the circulating flow of cooling liquid in the cooling tank and the heat exchange coil, further performing heat dissipation and cooling on the electrorheological fluid in the liquid storage tank, and ensuring the normal use of the electrorheological fluid.
3. According to the invention, the first permanent magnet blocks, the communicating pipe and the radiating fins are arranged, and the first permanent magnet blocks are driven to reciprocate up and down in the placing groove under the action of the magnetic field of the electromagnet, so that the radiating fins can be intermittently blown to radiate heat in the cooling groove, and the normal use of cooling liquid is ensured.
4. According to the invention, by arranging the warning indicator, when the noise intensity is too high, the warning indicator can give an alarm in time, so that a worker can find out that the equipment is checked in time, and acoustic pollution is avoided.
Drawings
FIG. 1 is a schematic structural view of a rheological acoustic panel based on classical absorption according to the present invention;
fig. 2 is an enlarged view of a point a in fig. 1.
In the figure: the device comprises a mounting plate 1, a liquid storage tank 2, a first capacitor plate 3, a second capacitor plate 4, a placing tank 5, an electromagnet 6, a first permanent magnet 7, a detector 8, a heat exchange coil 9, a cooling tank 10, a second permanent magnet 11, a return pipe 12, a liquid discharge pipe 13, a heat radiating fin 14, a communicating pipe 15, a warning indicator 16, a return spring 17 and a through hole 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-2, a rheological state acoustic celotex board based on classical absorption, comprising a mounting plate 1, a liquid storage tank 2 is arranged on the mounting plate 1, electrorheological fluid (electrorheological fluid is a suspension liquid under normal conditions, which can generate liquid-solid conversion under the action of an electric field, and the viscosity of the suspension liquid is increased along with the increase of the electric field intensity near the critical value of the electric field intensity), a first capacitor plate 3 and a second capacitor plate 4 are symmetrically arranged on the inner wall of the liquid storage tank 2, a snakelike heat exchange coil 9 is arranged in the liquid storage tank 2, a placing tank 5 and a cooling tank 10 are respectively arranged on the mounting plate 1, a second permanent magnet block 11 is elastically connected on the inner top wall of the cooling tank 10 through a reset spring 17, the second permanent magnet block 11 is hermetically and slidably connected with the tank wall of the cooling tank 10, the cooling tank 10 is divided into a driving area and a driven area by the second permanent magnet block 11 from top to bottom, a liquid discharge pipe 13 is communicated between the driving area and the input end of the heat exchange coil pipe 9, a return pipe 12 is communicated between the driven area and the output end of the heat exchange coil pipe 9, a cooling tank 10, the heat exchange coil pipe 9, the liquid discharge pipe 13 and the return pipe 12 are filled with cooling liquid, a first permanent magnet 7 is connected in the placing tank 5 in a sliding way, an electromagnet 6 is fixedly connected with the inner bottom wall of the placing tank 5, the magnetic pole of one side of the electromagnet 6 opposite to the first permanent magnet 7 is the same, the magnetic pole of one side of the first permanent magnet 7 opposite to the second permanent magnet 11 is the same, a detector 8 is installed on the mounting plate 1, an alarm 16 is installed on the mounting plate 1, the input end of the alarm 16 is electrically connected with the output end of the detector 8 through a lead, a detection module, a conversion module and an alarm module are arranged in the detector 8, the detection module can detect the noise of the environment, the conversion module can convert the intensity of the noise into the output current, the warning module can compare according to the noise intensity size that detection module detected, sends alarm signal to attention device 16 when detecting noise intensity and being greater than preset threshold value, and the output of detector 8 passes through the wire and in proper order with first capacitor plate 3, second capacitor plate 4, 6 electric connection of electro-magnet.
According to the invention, a plurality of radiating fins 14 are uniformly arranged between the wall of the cooling tank 10 and the outside, the first permanent magnet 7 is connected with the wall of the placing tank 5 in a sealing and sliding manner through the sealing ring, a plurality of communicating pipes 15 are communicated between the inner top wall of the placing tank 5 and the outside, one ends of the communicating pipes 15 far away from the placing tank 5 are opposite to the plurality of radiating fins 14, a plurality of ventilation micropores are communicated between the inner bottom wall of the placing tank 5 and the outside, and the air pressure at the lower end of the first permanent magnet 7 is the same as the air pressure at the outside, so that the air pressure at the lower end face of the first permanent magnet 7 can be prevented from obstructing the movement of the first permanent magnet 7.
In the invention, a through hole 18 is vertically arranged on the second permanent magnet 11, a first one-way valve, a second one-way valve and a third one-way valve are respectively arranged in the liquid discharge pipe 13, the return pipe 12 and the through hole 18, the first one-way valve only allows gas or liquid in the driving area to enter the heat exchange coil pipe 9 through the liquid discharge pipe 13, the second one-way valve only allows gas or liquid in the heat exchange coil pipe 9 to enter the driven area through the return pipe, and the third one-way valve only allows gas or liquid in the driven area to enter the driving area through the through hole 18.
The invention can be illustrated by the following operating modes: detector 8 detects the noise in the environment and converts noise intensity into the electric current size output to first electric capacity board 3, second electric capacity board 4 and electro-magnet 6 department, thereby make and produce voltage between first electric capacity board 3 and the second electric capacity board 4, under the effect of voltage, electrorheological fluids viscosity can be at the transient variation, and electrorheological fluids's viscosity becomes positive correlation along with detector 8 output current size, then electrorheological fluids becomes positive correlation to the intensity of sound and noise, when the intensity of noise increases promptly, electrorheological fluids also increases thereupon to the absorptive capacity of sound, thereby can improve the noise insulation scope of acoustic celotex board to the noise, and then improved the syllable-dividing effect of acoustic celotex board.
Meanwhile, when the electromagnet 6 excites a magnetic field when current is input, the first permanent magnet 7 moves upwards under the action of the magnetic field of the electromagnet 6 to extrude the gas in the placing tank 5 to blow towards a plurality of radiating fins 14 through a plurality of communicating pipes 15, so that the cooling tank 10 can be cooled, meanwhile, the second permanent magnet 11 moves upwards in the cooling tank 10 under the action of the magnetic repulsion force of the first permanent magnet 7 and extrudes a return spring 17, the cooling liquid in a driving area enters the heat exchange coil 9 through a liquid discharge pipe 13, the cooling liquid in the heat exchange coil 9 flows back to a driven area through a return pipe 12, so that the cooling of the electrorheological fluid in the liquid storage tank 2 can be performed, the electrorheological fluid can be used normally, when the current intensity in the circuit is reduced, the magnetic field intensity of the electromagnet 6 is reduced, the first permanent magnet 7 and the second permanent magnet 11 move downwards synchronously under the action of the elastic force of the return spring 17, then the external gas passes through communicating pipe 15 and supplyes the entering standing groove 5, and driven district's cooling liquid gets into the drive district through-hole 18, so reciprocal, can enough carry out the heat dissipation cooling to the electrorheological fluids in the reservoir 2, can distribute away the heat in the cooling bath 10 through the mode of blowing again to last the use.
It is worth noting that by arranging the alarm 16, when the noise intensity is too high, the alarm 16 can give an alarm in time, so that a worker can find out that the equipment is checked in time, and the formation of sound pollution is avoided.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (4)
1. The rheological state acoustic celotex board based on classical absorption comprises a mounting plate (1) and is characterized in that a liquid storage tank (2) is arranged on the mounting plate (1), electrorheological fluid is filled in the liquid storage tank (2), a first capacitance plate (3) and a second capacitance plate (4) are symmetrically arranged on the inner wall of the liquid storage tank (2), a snakelike heat exchange coil (9) is arranged in the liquid storage tank (2), a placing groove (5) and a cooling groove (10) are respectively arranged on the mounting plate (1), a second permanent magnet (11) is elastically connected on the inner top wall of the cooling groove (10) through a reset spring (17), the second permanent magnet (11) is in sealing sliding connection with the cooling groove (10), the cooling groove (10) is divided into a driving area and a driven area from top to bottom through the second permanent magnet (11), a liquid discharge pipe (13) is communicated between the input end of the driving area and the heat exchange coil (9), intercommunication is equipped with back flow (12) between the output of driven zone and heat exchange coil (9), all pack in cooling bath (10), heat exchange coil (9), fluid-discharge tube (13) and back flow (12) has the coolant liquid, sliding connection has first permanent magnetism piece (7) in standing groove (5), and first permanent magnetism piece (7) is the same with one side magnetic pole that second permanent magnetism piece (11) is relative, diapire fixedly connected with electro-magnet (6) in standing groove (5), and electro-magnet (6) is the same with one side magnetic pole that first permanent magnetism piece (7) is relative, install detector (8) on mounting panel (1), the output of detector (8) passes through the wire and in proper order with first condenser plate (3), second condenser plate (4), electro-magnet (6) electric connection.
2. A rheological acoustic panel based on classical absorption according to claim 1, characterized in that the mounting plate (1) is mounted with a warning indicator (16), and the input end of the warning indicator (16) is electrically connected with the output end of the detector (8) through a wire.
3. The rheological acoustic panel based on classical absorption is characterized in that a plurality of radiating fins (14) are uniformly arranged between the wall of the cooling tank (10) and the outside, the first permanent magnet (7) is connected with the wall of the placing tank (5) in a sealing and sliding manner through a sealing ring, a plurality of communicating pipes (15) are communicated between the inner top wall of the placing tank (5) and the outside, and one ends of the communicating pipes (15) far away from the placing tank (5) are opposite to the plurality of radiating fins (14).
4. The rheological state acoustic celotex board based on classical absorption according to claim 1, characterized in that the second permanent magnet (11) is vertically provided with a through hole (18), and the drain pipe (13), the return pipe (12) and the through hole (18) are respectively provided with a first check valve, a second check valve and a third check valve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011123653.0A CN112282089B (en) | 2020-10-20 | 2020-10-20 | Rheological state acoustic celotex board based on classic absorption |
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| CN202011123653.0A CN112282089B (en) | 2020-10-20 | 2020-10-20 | Rheological state acoustic celotex board based on classic absorption |
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| CN112282089B true CN112282089B (en) | 2022-03-25 |
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Citations (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4923057A (en) * | 1988-09-20 | 1990-05-08 | Lord Corporation | Electrorheological fluid composite structures |
| CN2275227Y (en) * | 1995-12-04 | 1998-02-25 | 刘玉海 | Vacuum phase changing radiator |
| JP2009019412A (en) * | 2007-07-12 | 2009-01-29 | Audio Technica Corp | Acoustic panel equipment |
| CN102405270A (en) * | 2009-02-11 | 2012-04-04 | 阿蒂卡科技有限公司 | Phase change material composition |
| DE102012203338B3 (en) * | 2012-03-02 | 2013-06-27 | Siemens Aktiengesellschaft | Cylindrical gradient coil arrangement for magnetic resonance device, has inner carrier structure comprising radial through holes that are evenly distributed, and cooling device for cooling conductor structure by using cooling fluid |
| CN203569714U (en) * | 2013-10-25 | 2014-04-30 | 天津市联合环保工程设计有限公司 | Sound insulation board of multi-layer multi-cavity structure |
| CN106395672A (en) * | 2016-12-15 | 2017-02-15 | 福州大学 | Magneto-rheological effect-based elevator braking device with automatic protection function and elevator braking method |
| CN106523580A (en) * | 2016-11-16 | 2017-03-22 | 温州大学 | Magnetorheological photonic crystal vibration reducing device, vibration reducing device and vibration reducing method |
| CN106601223A (en) * | 2016-11-21 | 2017-04-26 | 浙江大学 | Device of realizing adjustable sound absorption performance based on magnetorheological effect |
| CN207441233U (en) * | 2017-02-23 | 2018-06-01 | 深圳市中孚泰文化建筑建设股份有限公司 | A kind of slit resonant absorber |
| CN207458569U (en) * | 2017-10-18 | 2018-06-05 | 珠海格力电器股份有限公司 | Sound panel and blimp |
| CN108252768A (en) * | 2018-03-19 | 2018-07-06 | 浙江师范大学 | A kind of magnetic rheology elastic body active moves sound-absorbing muffler |
| CN108252430A (en) * | 2018-01-17 | 2018-07-06 | 重庆邮电大学 | A kind of intelligent sound panel based on magnetic foamed polymer |
| CN108443404A (en) * | 2018-04-08 | 2018-08-24 | 重庆市铜梁区人民医院 | Medical noise-reduction type MRI |
| CN108560699A (en) * | 2018-04-28 | 2018-09-21 | 重庆工程职业技术学院 | Noise reducing type builds house equipment balcony |
| CN108625929A (en) * | 2018-06-19 | 2018-10-09 | 辽宁工业大学 | A kind of heat exchanging silencer |
| CN108759505A (en) * | 2018-04-27 | 2018-11-06 | 重庆工程职业技术学院 | Vibrating isolation system used for cooling tower |
| CN110379590A (en) * | 2019-07-01 | 2019-10-25 | 周峰 | A kind of solar powered transformer installation equipment |
| CN110599995A (en) * | 2019-09-11 | 2019-12-20 | 北京机械设备研究所 | Sound absorption structure with adjustable absorption frequency band |
| CN210295893U (en) * | 2019-04-16 | 2020-04-10 | 西南交通大学 | Variable-frequency sandwich thin plate vibration reduction superstructure |
| CN111238018A (en) * | 2020-03-03 | 2020-06-05 | 青岛海信日立空调系统有限公司 | Refrigerating equipment |
| CN111524497A (en) * | 2020-04-21 | 2020-08-11 | 中国科学院电工研究所 | Fractal structure acoustic metamaterial based on electrorheological fluid |
| CN111535474A (en) * | 2020-05-13 | 2020-08-14 | 山东海冠新能源科技有限公司 | Phase change energy storage sealing wallboard with multiple temperature control adjusting structures |
| CN112099588A (en) * | 2020-09-27 | 2020-12-18 | 湖南警察学院 | Novel computer hardware component structure of quick response |
| CN112172566A (en) * | 2020-09-28 | 2021-01-05 | 朱婕妤 | Energy-saving environment-friendly isolated heat dissipation charging pile |
| CN112196135A (en) * | 2020-10-20 | 2021-01-08 | 夏新强 | Environment-friendly self-interacting multistage formula sound insulating wall |
| CN212647876U (en) * | 2020-06-10 | 2021-03-02 | 南京林业大学 | Self-adaptive noise-reducing energy-saving sound-insulating system |
| CN112594648A (en) * | 2020-12-10 | 2021-04-02 | 房磊 | Energy-saving environment-friendly high-power high beam |
| CN213062565U (en) * | 2020-08-08 | 2021-04-27 | 中亿丰(苏州)绿色建筑发展有限公司 | Thermal cycle type energy-saving curtain wall |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6543396B2 (en) * | 2001-01-11 | 2003-04-08 | Borgwarner, Inc. | Electronically controlled magnetorheological fluid based cooling fan drive assembly |
| US8484790B2 (en) * | 2008-07-30 | 2013-07-16 | GM Global Technology Operations LLC | Exhaust Gas Recirculation cooler cleaner having active material actuator |
| CN209485111U (en) * | 2019-01-28 | 2019-10-11 | 上海通谱检测技术有限公司 | A kind of heat exchanger |
| CN211016697U (en) * | 2019-09-03 | 2020-07-14 | 魏殿欣 | Power transformer economizer |
| CN211670071U (en) * | 2019-10-29 | 2020-10-13 | 李晓娟 | Transformer box with shock attenuation heat dissipation function |
| CN111305405B (en) * | 2020-02-21 | 2021-05-07 | 重庆大学 | Impedance composite broadband noise elimination structure |
-
2020
- 2020-10-20 CN CN202011123653.0A patent/CN112282089B/en active Active
Patent Citations (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4923057A (en) * | 1988-09-20 | 1990-05-08 | Lord Corporation | Electrorheological fluid composite structures |
| CN2275227Y (en) * | 1995-12-04 | 1998-02-25 | 刘玉海 | Vacuum phase changing radiator |
| JP2009019412A (en) * | 2007-07-12 | 2009-01-29 | Audio Technica Corp | Acoustic panel equipment |
| CN102405270A (en) * | 2009-02-11 | 2012-04-04 | 阿蒂卡科技有限公司 | Phase change material composition |
| DE102012203338B3 (en) * | 2012-03-02 | 2013-06-27 | Siemens Aktiengesellschaft | Cylindrical gradient coil arrangement for magnetic resonance device, has inner carrier structure comprising radial through holes that are evenly distributed, and cooling device for cooling conductor structure by using cooling fluid |
| CN203569714U (en) * | 2013-10-25 | 2014-04-30 | 天津市联合环保工程设计有限公司 | Sound insulation board of multi-layer multi-cavity structure |
| CN106523580A (en) * | 2016-11-16 | 2017-03-22 | 温州大学 | Magnetorheological photonic crystal vibration reducing device, vibration reducing device and vibration reducing method |
| CN106601223A (en) * | 2016-11-21 | 2017-04-26 | 浙江大学 | Device of realizing adjustable sound absorption performance based on magnetorheological effect |
| CN106395672A (en) * | 2016-12-15 | 2017-02-15 | 福州大学 | Magneto-rheological effect-based elevator braking device with automatic protection function and elevator braking method |
| CN207441233U (en) * | 2017-02-23 | 2018-06-01 | 深圳市中孚泰文化建筑建设股份有限公司 | A kind of slit resonant absorber |
| CN207458569U (en) * | 2017-10-18 | 2018-06-05 | 珠海格力电器股份有限公司 | Sound panel and blimp |
| CN108252430A (en) * | 2018-01-17 | 2018-07-06 | 重庆邮电大学 | A kind of intelligent sound panel based on magnetic foamed polymer |
| CN108252768A (en) * | 2018-03-19 | 2018-07-06 | 浙江师范大学 | A kind of magnetic rheology elastic body active moves sound-absorbing muffler |
| CN108443404A (en) * | 2018-04-08 | 2018-08-24 | 重庆市铜梁区人民医院 | Medical noise-reduction type MRI |
| CN108759505A (en) * | 2018-04-27 | 2018-11-06 | 重庆工程职业技术学院 | Vibrating isolation system used for cooling tower |
| CN108560699A (en) * | 2018-04-28 | 2018-09-21 | 重庆工程职业技术学院 | Noise reducing type builds house equipment balcony |
| CN108625929A (en) * | 2018-06-19 | 2018-10-09 | 辽宁工业大学 | A kind of heat exchanging silencer |
| CN210295893U (en) * | 2019-04-16 | 2020-04-10 | 西南交通大学 | Variable-frequency sandwich thin plate vibration reduction superstructure |
| CN110379590A (en) * | 2019-07-01 | 2019-10-25 | 周峰 | A kind of solar powered transformer installation equipment |
| CN110599995A (en) * | 2019-09-11 | 2019-12-20 | 北京机械设备研究所 | Sound absorption structure with adjustable absorption frequency band |
| CN111238018A (en) * | 2020-03-03 | 2020-06-05 | 青岛海信日立空调系统有限公司 | Refrigerating equipment |
| CN111524497A (en) * | 2020-04-21 | 2020-08-11 | 中国科学院电工研究所 | Fractal structure acoustic metamaterial based on electrorheological fluid |
| CN111535474A (en) * | 2020-05-13 | 2020-08-14 | 山东海冠新能源科技有限公司 | Phase change energy storage sealing wallboard with multiple temperature control adjusting structures |
| CN212647876U (en) * | 2020-06-10 | 2021-03-02 | 南京林业大学 | Self-adaptive noise-reducing energy-saving sound-insulating system |
| CN213062565U (en) * | 2020-08-08 | 2021-04-27 | 中亿丰(苏州)绿色建筑发展有限公司 | Thermal cycle type energy-saving curtain wall |
| CN112099588A (en) * | 2020-09-27 | 2020-12-18 | 湖南警察学院 | Novel computer hardware component structure of quick response |
| CN112172566A (en) * | 2020-09-28 | 2021-01-05 | 朱婕妤 | Energy-saving environment-friendly isolated heat dissipation charging pile |
| CN112196135A (en) * | 2020-10-20 | 2021-01-08 | 夏新强 | Environment-friendly self-interacting multistage formula sound insulating wall |
| CN112594648A (en) * | 2020-12-10 | 2021-04-02 | 房磊 | Energy-saving environment-friendly high-power high beam |
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