CN107507608A - Denoising device in a kind of smart home room - Google Patents
Denoising device in a kind of smart home room Download PDFInfo
- Publication number
- CN107507608A CN107507608A CN201710804727.9A CN201710804727A CN107507608A CN 107507608 A CN107507608 A CN 107507608A CN 201710804727 A CN201710804727 A CN 201710804727A CN 107507608 A CN107507608 A CN 107507608A
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- CN
- China
- Prior art keywords
- breather pipe
- anechoic room
- room
- denoising device
- window
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
- F24F7/013—Ventilation with forced flow using wall or window fans, displacing air through the wall or window
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/242—Sound-absorbing material
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention relates to noise reducing apparatus technical field,More particularly to denoising device in a kind of smart home room,Including wall,Window,Fixed plate,Denoising device,Blower fan,First breather pipe,First air admission hole,First anechoic room,Second anechoic room,3rd anechoic room,4th anechoic room,Humidity sensor,Controller,Humidifier,Dehumidifier,Second breather pipe,First venthole,Sound panel,Air purifier,Sealing rubber pad,3rd breather pipe,Second air admission hole,Magnetic valve,4th breather pipe,Second venthole,Window is provided with wall,Fixed plate is arranged on indoor wall,Fixed plate is provided with two and is respectively arranged above and below window,Chute is provided with fixed plate,The present invention is easily installed and dismantled,There is good noise reduction process to the noise of outdoor,Have purification of air concurrently simultaneously,Humidification and the function of dehumidifying,Function has variation,Greatly meet demand of the people to apparatus function,With very strong practicality.
Description
Technical field
The present invention relates to noise reducing apparatus technical field, and in particular to denoising device in a kind of smart home room.
Background technology
Four overall situation that noise pollution, atmosphere pollution, water pollution and noxious waste pollution have been listed in today's society are public
Evil.Especially when being excessively exposed in noise pollution, it can not only allow people to have the fidgets, have a strong impact on sleep and mental health, also can
Trigger the disease such as learning disorder and tinnitus, or even increase such as suffers from a heart complaint at the risk of disease, so as to reduce the life-span of people.Therefore,
How to reduce noise pollution turns into 21 century one of subject matter of environment pollution control under the new situation.
Although application of the passive noise reduction technology in some fields relative maturity is led, in daily indoor noise reduction
Using being but rarely reported, this with the characteristics of existing noise reduction technology and limitation has inseparable relation.Such as to noise source solution
The horizontal height of frequency and the dependence to high-precision electronic element, can all cause existing equipment run into complicated multifrequency,
When time-varying and noise comprising secondary source of students, effect can have a greatly reduced quality；And expensive cost also reduces suitable application area, so as to not
The demand of daily room noise control can be satisfied with.Therefore, develop one can effectively eliminate room noise, and possess it is low into
Originally, the indoor denoising device of low-power consumption, for improving, people's daily life is horizontal to turn into increasingly urgent demand.
The content of the invention
In view of the shortcomings of the prior art, the invention discloses denoising device in a kind of smart home room, for solving interior
Denoising device it is complicated, noise reduction is poor, and function is single, the problem of can not meeting people's multiple functions demand.
Concrete technical scheme is as follows：
Denoising device in a kind of smart home room, including wall, window, fixed plate, denoising device, blower fan, the first ventilation
Pipe, the first air admission hole, the first anechoic room, the second anechoic room, the 3rd anechoic room, the 4th anechoic room, humidity sensor, controller,
Humidifier, dehumidifier, the second breather pipe, the first venthole, sound panel, air purifier, sealing rubber pad, the 3rd breather pipe,
Second air admission hole, magnetic valve, the 4th breather pipe, the second venthole, the window are provided with the wall, the fixed plate is set
On the wall disposed within, the fixed plate is provided with two and is respectively arranged above and below the window, described
Chute is provided with fixed plate, the denoising device is slidably connected in the chute between two fixed plates,
The blower fan is arranged at the denoising device close to the window side, and the denoising device inner tip is respectively arranged with described
First anechoic room and the 3rd anechoic room, bottom are respectively arranged with the second anechoic room and the 4th anechoic room, first anechoic room with
3rd anechoic room is separated by the sound panel, and second anechoic room passes through the sound panel with the 4th anechoic room
Separate, the humidity sensor is provided with first anechoic room, the controller, institute are provided with second anechoic room
State and the humidifier is provided with the 3rd anechoic room, the dehumidifier, first ventilation are provided with the 4th anechoic room
Pipe is connected with second breather pipe with first anechoic room and second anechoic room, is set on first breather pipe
First air admission hole is equipped with, first venthole is provided with second breather pipe, the air purifier is arranged at
Between two sound panels, the air purifier is provided with the sealing rubber pad with the sound panel junction, described
3rd breather pipe is connected with the 4th breather pipe with the 3rd anechoic room and the 4th anechoic room, the threeway
Second air admission hole is provided with tracheae, second venthole is provided with the 4th breather pipe, the magnetic valve is set
Be equipped with two and be respectively arranged at the top and bottom of the 3rd breather pipe, the controller respectively with the blower fan, described
Humidity sensor, the humidifier, the dehumidifier, the air purifier and the magnetic valve are electrically connected with；
Preferably, the L-shaped setting in fixed plate lateral section；
Preferably, space, first breather pipe, second breather pipe, institute are left between the blower fan and the window
State the 3rd breather pipe and the 4th breather pipe is made by polyester fiber sound-absorbing material；
Preferably, the sound panel is mutually correspondingly arranged up and down；
Preferably, the lateral section of the denoising device is highly higher than the height of the window.
Beneficial effect：
1st, when window of the present invention is closed, outdoor noise propagates into interior by window, and then noise passes through blower fan, by first
Air admission hole enters inside denoising device, and noise will be conducted to the first anechoic room and the second anechoic room along the first breather pipe, warp
After crossing the processing of first time sound-absorbing, noise is then exported by the first venthole on the second breather pipe, then by the second air admission hole
Threeway tracheal strips are imported into, are imported into along the 3rd breather pipe in the 3rd anechoic room and the 4th anechoic room, are inhaled by second
Sound processing, the decibel of noise is greatly reduced, the noise for being allowed to be passed to interior is minimized until eliminating, due to breather pipe
It is made up of polyester fiber sound-absorbing material, so that collision friction during noise conducts in breather pipe, acoustic energy is converted
For heat energy, the decibel of noise is reduced.
2nd, the present invention is provided with sound panel, prevents noise to be directly directed into the 3rd anechoic room from the first anechoic room, and directly
It is introduced directly into from the second anechoic room to the 4th anechoic room so that noise cannot pass through the biography of the second breather pipe and the 3rd breather pipe
Broadcast, noise reduction is poor, is allowed to that secondary absorbing sound and lowering noise processing can not be carried out.
3rd, when window of the present invention is opened, denoising device is opened, controller control blower fan is rotated, and outdoor air is imported into the
In one breather pipe, the humidity of air is sensed by the humidity sensor inside the first anechoic room, humidity information is transferred to controller
Interior, when humidity value is higher than value set by controller, controller controls the closed electromagnetic valve on the 3rd breather pipe top, same to time control
Device control air purifier processed is started working, by the air importeding into the first anechoic room and the second anechoic room by inhaling for the first time
After sound processing, discharged via the second breather pipe, air is then passed through the 3rd breather pipe and imported into the by air purifier processing
In four anechoic rooms, controller control dehumidifier is started working, and the sound-absorbing processing that dehumidifies is carried out to air, when humidity sensor senses
When humidity is less than the value that controller is set, controller controls the closed electromagnetic valve of the 3rd breather pipe bottom, and introduces air into
In 3rd anechoic room, controller control humidifier is started working, and air is carried out to humidify sound-absorbing processing, finally by the 4th breather pipe
It is discharged to interior so that outdoor enters room air and obtains noise reduction, purification and corresponding humidification or dehumidification treatments, reduces indoor
The pollution of air, Intelligent treatment function is exercised, in addition, blower fan can extract room air out outdoor, carries out the displacement of room air,
Keep the pure and fresh of room air.
4th, denoising device and fixed plate are slidably connected, admittedly can left and right pull, when not in use, denoising device is moved to window
The right and left, sunlight will not be hindered to enter within doors, be easy for workers to operate.
5th, air purifier and sound panel junction are provided with sealing rubber pad, prevent malaria very well to air
Clarifier causes corrosion-damaged with sound panel junction, causes air purifier to come off the phenomenon rocked.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1：Denoising device overall structure diagram in smart home room；
Fig. 2：Denoising device sound panel and air purifier junction schematic enlarged-scale view in smart home room.
Reference is as follows：1st, wall, 2, window, 3, fixed plate, 301, chute, 4, denoising device, 5, blower fan, 6, first
Breather pipe, the 7, first air admission hole, the 8, first anechoic room, the 9, second anechoic room, the 10, the 3rd anechoic room, the 11, the 4th anechoic room, 12,
Humidity sensor, 13, controller, 14, humidifier, 15, dehumidifier, the 16, second breather pipe, the 17, first venthole, 18, sound insulation
Plate, 19, air purifier, 20, sealing rubber pad, the 21, the 3rd breather pipe, the 22, second air admission hole, the 23, magnetic valve, the 24, the 4th
Breather pipe, the 25, second venthole.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
With reference to Fig. 2, referring to Fig. 1：A kind of window set on denoising device in smart home room, including wall 1, wall 1
2nd, fixed plate 3, the fixed plate 3 being arranged on indoor wall 1 be provided with two and be respectively arranged above and below window 2,
The chute 301 that is set in fixed plate 3, it is slidably connected at denoising device 4 in chute 301 between two fixed plates 3, is arranged at
Denoising device 4 is inhaled close to the first anechoic room 8 and the 3rd that the blower fan 5 of the side of window 2, the inner tip of denoising device 1 are set respectively
The second anechoic room 9 and the 4th anechoic room 11 that tone chamber 10, the inner bottom of denoising device 1 are set respectively, by the first anechoic room 8 and
Sound panel 18 that three anechoic rooms 10 separate, sound panel 18, the first anechoic room for separating the second anechoic room 9 and the 4th anechoic room 11
Humidity sensor 12, the 9 interior controller 13 set of the second anechoic room, the 10 interior humidification set of the 3rd anechoic room being provided with 8
Dehumidifier 15, the first breather pipe 6 and the second breather pipe 16 set in device 14, the 4th anechoic room 11 with the first anechoic room 8 and
The first outlet set on second anechoic room 9 is connected, is set on the first breather pipe 6 the first air admission hole 7, the second breather pipe 16
Hole 17, the air purifier 19 being arranged between two sound panels 18, air purifier 19 and the junction of sound panel 18 are set
Sealing rubber pad 20, the 3rd breather pipe 21 be connected with the 4th breather pipe 24 with the 3rd anechoic room 10 and the 4th anechoic room 11,
The second venthole 25 for being set on the second air admission hole 22 for being set on 3rd breather pipe 21, the 4th breather pipe 24, it is provided with two
And be respectively arranged at the magnetic valve 23 of the top of the 3rd breather pipe 21 and bottom, controller 13 respectively with blower fan 5, humidity sensor
12nd, humidifier 14, dehumidifier 15, air purifier 19 and magnetic valve 23 are electrically connected with.
Specifically, the L-shaped setting in the lateral section of fixed plate 3, leaves space, sound panel phase about 18 between blower fan 5 and window 2
Mutually it is correspondingly arranged, the lateral section of denoising device 4 is highly higher than the height of window 2.
When window 2 of the present invention is closed, outdoor noise propagates into interior by window 2, and then noise passes through blower fan 5, by the
One air admission hole 7 enters inside denoising device 4, and noise will be conducted along the first breather pipe 6 to the first anechoic room 8 and the second anechoic room
In 9, after the processing of first time sound-absorbing, noise is then exported by the first venthole 17 on the second breather pipe 16, Ran Houyou
Second air admission hole 22 is imported into the 3rd breather pipe 21, and the 3rd anechoic room 10 and the 4th sound-absorbing are imported into along the 3rd breather pipe 21
In room 11, handled by second of sound-absorbing, be greatly reduced the decibel of noise, the noise for being allowed to be passed to interior minimizes
Until eliminate, because breather pipe is made up of polyester fiber sound-absorbing material, so that during noise conducts in breather pipe
Collision friction, acoustic energy is converted into heat energy, reduces the decibel of noise.The present invention is provided with sound panel 18, prevents that noise is direct
The 3rd anechoic room 10 is directed into from the first anechoic room 8, and is directly introduced directly into from the second anechoic room 9 to the 4th anechoic room 11, is made
The propagation that noise cannot pass through the second breather pipe 16 and the 3rd breather pipe 21 is obtained, noise reduction is poor, is allowed to that secondary suction can not be carried out
Sound noise reduction process.When window 2 is opened, denoising device 4 is opened, controller 13 controls blower fan 5 to rotate, and outdoor air is imported into the
In one breather pipe 6, the humidity of air is sensed by the humidity sensor 12 inside the first anechoic room 8, humidity information is transferred to control
In device 13 processed, when humidity value is higher than value set by controller 13, controller 13 controls the electromagnetism on the top of the 3rd breather pipe 21
Valve 23 is closed, while controller 13 controls air purifier 19 to start working, and will imported into the first anechoic room 8 and the second anechoic room
Air in 9 is discharged after the processing of first time sound-absorbing via the second breather pipe 16, and air is handled by air purifier 19,
It is then passed through the 3rd breather pipe 21 to imported into the 4th anechoic room 11, controller 13 controls dehumidifier 15 to start working, to air
The sound-absorbing processing that dehumidifies is carried out, when humidity sensor 12 senses humidity less than the value that controller 13 is set, controller 13 controls
The magnetic valve 23 of the bottom of 3rd breather pipe 21 is closed, and is introduced air into the 3rd anechoic room 10, the control humidification of controller 13
Device 14 is started working, and air is carried out to humidify sound-absorbing processing, is finally discharged to interior by the 4th breather pipe 24 so that outdoor entrance
Noise reduction, purification and corresponding humidification or dehumidification treatments are obtained to room air, the pollution of room air is reduced, exercises Intelligent treatment
Function, in addition, blower fan 5 can extract room air out outdoor, the displacement of room air is carried out, keeps the pure and fresh of room air.Drop
Device 4 of making an uproar is slidably connected with fixed plate 3, admittedly can left and right pull, when not in use, denoising device 4 is moved to the left and right two of window 2
Side, sunlight will not be hindered to enter within doors, be easy for workers to operate.Air purifier 19 is provided with close with the junction of sound panel 18
Rubber blanket 20 is sealed, prevents malaria to cause air purifier 19 with the junction of sound panel 18 very well corrosion-damaged, makes
Come off the phenomenon rocked into air purifier 19.
The present invention is easily installed and dismantled, to outdoor noise there is good noise reduction process, while have concurrently purification of air,
Humidification and the function of dehumidifying, function have variation, greatly meet demand of the people to apparatus function, have very strong reality
The property used.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
The present invention is described in detail, it will be understood by those within the art that：It still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic；And these modification or
Replace, the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (5)
- A kind of 1. denoising device in smart home room, it is characterised in that：Including wall (1), window (2), fixed plate (3), noise reduction Device (4), blower fan (5), the first breather pipe (6), the first air admission hole (7), the first anechoic room (8), the second anechoic room (9), the 3rd Anechoic room (10), the 4th anechoic room (11), humidity sensor (12), controller (13), humidifier (14), dehumidifier (15), Two breather pipes (16), the first venthole (17), sound panel (18), air purifier (19), sealing rubber pad (20), the 3rd ventilation (21), the second air admission hole (22), magnetic valve (23), the 4th breather pipe (24), the second venthole (25) are managed, on the wall (1) The window (2) is provided with, the fixed plate (3) is arranged on the indoor wall (1), and the fixed plate (3) is provided with two It is individual and be respectively arranged above and below the window (2), it is provided with chute (301), the noise reduction on the fixed plate (3) Device (4) is slidably connected in the chute (301) between two fixed plates (3), and the blower fan (5) is arranged at The denoising device (4) is respectively arranged with described first close to the window (2) side, denoising device (1) inner tip Anechoic room (8) and the 3rd anechoic room (10), bottom are respectively arranged with the second anechoic room (9) and the 4th anechoic room (11), and described One anechoic room (8) is separated with the 3rd anechoic room (10) by the sound panel (18), second anechoic room (9) with it is described 4th anechoic room (11) is separated by the sound panel (18), and the humidity sensor is provided with first anechoic room (8) (12) controller (13), is provided with second anechoic room (9), described add is provided with the 3rd anechoic room (10) Wet device (14), the 4th anechoic room (11) is interior to be provided with the dehumidifier (15), first breather pipe (6) and described second Breather pipe (16) is connected with first anechoic room (8) and second anechoic room (9), on first breather pipe (6) First air admission hole (7) is provided with, first venthole (17), the air are provided with second breather pipe (16) Clarifier (19) is arranged between two sound panels (18), and the air purifier (19) is connected with the sound panel (18) Place is provided with the sealing rubber pad (20), and the 3rd breather pipe (21) and the 4th breather pipe (24) are with the described 3rd Anechoic room (10) is connected with the 4th anechoic room (11), and second air admission hole is provided with the 3rd breather pipe (21) (22), be provided with second venthole (25) on the 4th breather pipe (24), the magnetic valve (23) be provided with two and Be respectively arranged at the top and bottom of the 3rd breather pipe (21), the controller (13) respectively with the blower fan (5), described Humidity sensor (12), the humidifier (14), the dehumidifier (15), the air purifier (19) and the magnetic valve (23) it is electrically connected with.
- 2. denoising device in smart home room according to claim 1, it is characterised in that：Fixed plate (3) lateral section L-shaped setting.
- 3. denoising device in smart home room according to claim 1, it is characterised in that：The blower fan (5) and the window Leave space between family (2), first breather pipe (6), second breather pipe (16), the 3rd breather pipe (21) and described 4th breather pipe (24) is made by polyester fiber sound-absorbing material.
- 4. denoising device in smart home room according to claim 1, it is characterised in that：The sound panel (18) phase up and down Mutually it is correspondingly arranged.
- 5. denoising device in smart home room according to claim 1, it is characterised in that：The side of the denoising device (4) Depth of section is higher than the height of the window (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710804727.9A CN107507608A (en) | 2017-09-08 | 2017-09-08 | Denoising device in a kind of smart home room |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710804727.9A CN107507608A (en) | 2017-09-08 | 2017-09-08 | Denoising device in a kind of smart home room |
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| Publication Number | Publication Date |
|---|---|
| CN107507608A true CN107507608A (en) | 2017-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710804727.9A Pending CN107507608A (en) | 2017-09-08 | 2017-09-08 | Denoising device in a kind of smart home room |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111364887A (en) * | 2018-12-26 | 2020-07-03 | 山东建筑大学 | Energy-saving noise-reducing thick-layer hollow glass window |
| CN114293671A (en) * | 2021-12-21 | 2022-04-08 | 彭汗明 | Environment-friendly indoor sound-absorbing and noise-reducing equipment |
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| CN105673460A (en) * | 2016-01-26 | 2016-06-15 | 任文华 | Fan and impeller cover for fan |
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| CN111364887A (en) * | 2018-12-26 | 2020-07-03 | 山东建筑大学 | Energy-saving noise-reducing thick-layer hollow glass window |
| CN114293671A (en) * | 2021-12-21 | 2022-04-08 | 彭汗明 | Environment-friendly indoor sound-absorbing and noise-reducing equipment |
| CN114293671B (en) * | 2021-12-21 | 2023-09-08 | 深圳市海卓联节能科技有限公司 | Environment-friendly and healthy indoor sound-absorbing and noise-reducing equipment |
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