CN213359900U

CN213359900U - Active noise reduction window

Info

Publication number: CN213359900U
Application number: CN202021734143.2U
Authority: CN
Inventors: 廖宗波
Original assignee: Wuhan University WHU
Current assignee: Wuhan University WHU
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-06-04
Anticipated expiration: 2030-08-18

Abstract

The utility model provides a window of making an uproar falls in initiative, includes window frame and window form, the wall body surface at window frame place is provided with the frame, fixed bonding has the solar photovoltaic board on the wall body surface between frame and the window frame, the solar photovoltaic board links to each other with the battery, install a set of control device of making an uproar falls in the initiative on the frame of window frame both sides respectively, the control device of making an uproar falls in the initiative is including referring to microphone, error microphone and speaker, two sets of control device of making an uproar falls in the initiative link to each other with the controller that sets up on indoor wall. The utility model discloses can receive the signal of reference microphone, upper error microphone and lower error microphone through the controller, offset ambient noise through the output sound source of speaker and lower speaker in the adjustment, realized falling the mesh of making an uproar, the solar photovoltaic board turns into the electric energy with solar energy and gives the system power supply, can reach ventilation and noise elimination's function simultaneously.

Description

Active noise reduction window

Technical Field

The utility model relates to a window especially relates to a window of making an uproar falls in initiative.

Background

The noise is the sound of frequency, the intensity change irregularity of sound wave, disorderly sound, and in daily life, noise such as the car sound that comes from the street, the machine sound of building site are passed into indoor through open door and window, have seriously influenced people normal rest, study and work, even healthy. In order to isolate noise, a window is usually closed, and although the window can reduce noise, the indoor environment is closed, ventilation cannot be performed, and the indoor environment is stuffy and uncomfortable.

In order to make a window have both ventilation and noise insulation functions, a new ventilator is added to the window. Under the condition of closing the window, the ventilation function can be realized by opening the ventilator arranged on the window, but the ventilator is expensive in price and large in size, so that the attractiveness is influenced; and the noise reduction effect is not particularly ideal when the sound insulation material is adopted for physical noise reduction.

In view of the above, there is a need for a novel soundproof window that solves the deficiencies of the prior art.

Disclosure of Invention

The utility model aims at providing an actively fall window of making an uproar can realize windowing when taking a breath, the function of isolated noise, and equipment structure is simple, and it is little to take up an area of, easily installs and use.

In order to achieve the purpose, the utility model relates to an actively noise-reducing window, including window frame and window form, the wall body surface at window frame place is provided with the frame, the fixed solar photovoltaic board that bonds on the wall body surface between frame and the window frame, the solar photovoltaic board links to each other with the battery, install a set of actively noise-reducing control device on the frame of window frame both sides respectively, the actively noise-reducing control device is including referring to microphone, error microphone and speaker, two sets of actively noise-reducing control device link to each other with the controller that sets up on indoor wall body surface respectively.

In the above technical solution, the active noise reduction control device includes a reference microphone, an upper error microphone, a lower error microphone, an upper speaker, and a lower speaker.

Among the above-mentioned technical scheme, reference microphone is embedded in the frame outdoor side of window frame and to outdoor, error microphone is embedded in the frame indoor side of window frame and to indoor, it sets up in the frame indoor side top of window frame to go up the speaker, the speaker sets up in the frame indoor side bottom of window frame down, on the homonymy frame of window frame, sets gradually last speaker, upper error microphone, reference microphone, lower error microphone, lower speaker from top to bottom.

In the technical scheme, the height range of the frames at the two sides of the window frame is 1-1.2 meters.

In the above technical solution, the distance between the reference microphone and the upper error microphone is 20-25 cm, and the distance between the reference microphone and the lower error microphone is 20-25 cm.

In the above technical solution, the distance between the upper error microphone and the upper speaker is 30-35 cm, and the distance between the lower error microphone and the lower speaker is 30-35 cm.

In the above technical scheme, the surfaces of the upper error microphone, the reference microphone and the lower error microphone are all provided with sound-transmitting protective films.

In the technical scheme, the storage battery is arranged on the surface of the indoor wall body.

In the technical scheme, the storage battery can be connected with a power supply for charging.

Furthermore, the storage battery is connected with a power supply through a voltage stabilizer for charging.

The utility model has the advantages that:

the utility model discloses can receive the reference microphone through the controller, go up the signal of error microphone and lower error microphone, the output sound source through speaker and lower speaker in the adjustment offsets ambient noise, the purpose of making an uproar has been realized falling, solar photovoltaic board turns into the electric energy with solar energy and gives the system power supply, and can open or close the controller as required, energy saving and consumption reduction, it is better to compare in the effect of making an uproar of falling of carrying out physics through sound-proof material on the market, can reach ventilation and noise elimination's function simultaneously.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of a side frame of the window frame of the present invention;

FIG. 3 is a schematic view of the outdoor surface of the side frame of the window frame of the present invention;

FIG. 4 is a schematic view of the interior surface of the side frame of the window frame of the present invention;

FIG. 5 is a schematic view of the present invention;

in the figure: the system comprises a window frame 1, a window body 2, a window body 3, an outer frame 4, a solar photovoltaic panel 5, a storage battery 6, an active noise reduction control device 7, a reference microphone 8, an error microphone 801, an upper error microphone 802, a lower error microphone 9, a loudspeaker 901, an upper loudspeaker 902, a lower loudspeaker and a controller 10.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms, "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, are only used for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 4, an active noise reduction window comprises a window frame 1 and a window body 2, wherein an outer frame 3 is arranged on the outer surface of a wall where the window frame 1 is located, a solar photovoltaic panel 4 is fixedly bonded on the outer surface of the wall between the outer frame 3 and the window frame 1, the solar photovoltaic panel 4 is connected with a storage battery 5, a group of active noise reduction control devices 6 are respectively installed on frames on two sides of the window frame 1, each active noise reduction control device 6 comprises a reference microphone 7, an error microphone 8 and a loudspeaker 9, and the two groups of active noise reduction control devices 6 are respectively connected with a controller 10 arranged on the surface of an indoor wall. Solar photovoltaic board 4 can be effectual change solar energy into the electric energy and store in battery 5, and the electric energy in the battery 5 can supply with the operation of the controlling means 6 and the controller 10 of falling the noise of initiatively, realizes falling the function of making an uproar, and solar photovoltaic board 4 can also play the effect of decorating to the window outward appearance moreover. The two active noise reduction control devices 6 respectively and independently operate and are controlled by the controller 10, and the controller 10 is arranged on the surface of an indoor wall body, so that the opening or closing operation is convenient.

The active noise reduction control device 6 includes a reference microphone 7, an upper error microphone 801, a lower error microphone 802, an upper speaker 901, and a lower speaker 902.

The reference microphone 7 is embedded in the outdoor side of the frame of the window frame 1 and faces outdoors, the error microphone 8 is embedded in the indoor side of the frame of the window frame 1 and faces indoors, the upper loudspeaker 901 is arranged at the top end of the indoor side of the frame of the window frame 1, the lower loudspeaker 902 is arranged at the bottom end of the indoor side of the frame of the window frame 1, and the upper loudspeaker 901, the upper error microphone 801, the reference microphone 7, the lower error microphone 802 and the lower loudspeaker 902 are sequentially arranged on the frame on the same side of the window frame 1 from top to bottom. In order for the reference microphone 7 to collect the primary noise signal outdoors, the reference microphone 7 needs to be installed on the outdoor side of the bezel.

In order to ensure the radiation performance and radiation range of the upper speaker 901 and the lower speaker 902, the height of the frames at both sides of the window frame 1 is in the range of 1-1.2 m. The distance between the reference microphone 7 and the upper error microphone 801 is 20-25 cm, and the distance between the reference microphone 7 and the lower error microphone 802 is 20-25 cm.

In order to make the upper error microphone 801 and the lower error microphone 802 convenient for collecting residual noise after interference cancellation, the distance between the upper error microphone 801 and the upper loudspeaker 901 is 30-35 cm, and the distance between the lower error microphone 802 and the lower loudspeaker 902 is 30-35 cm.

The surfaces of the upper error microphone 801, the reference microphone 7 and the lower error microphone 802 are all provided with sound-transmitting protective films. The protective film can protect the microphone from being damaged by people or other external factors, and can resist the influence of wind and rain.

The storage battery 5 is arranged on the surface of an indoor wall body. The storage battery 5 can be connected with a power supply for charging. The storage battery 5 is connected with a power supply through a voltage stabilizer for charging. The storage battery 5 is not influenced by the external natural environment indoors, and when the solar photovoltaic panel 4 cannot supply power to the system in rainy days or no sunshine, the storage battery 5 can be connected with a 220V household power supply.

The utility model discloses a theory of operation does: as shown in fig. 5, the reference microphone 7 facing outdoors collects original noise as a primary noise reference signal and transmits the primary noise reference signal to the controller 10, the controller 10 generates a secondary noise signal according to the reference signal and plays the secondary noise signal through the upper speaker 901 and the lower speaker 902, sound waves played by the upper speaker 901 and the lower speaker 902 interfere and cancel the original noise, the noise after the interference and cancellation is collected by the upper error microphone 801 and the lower error microphone 802 as a feedback signal and transmitted to the controller 10, and the controller 10 performs iterative operation through an LMS algorithm according to the reference signal to continuously adjust the adaptive filter, thereby achieving the effect of eliminating the noise.

When weather is fit for windowing the ventilation, open controller 10, according to last speaker 901, go up error microphone 801, refer to microphone 7, lower error microphone 802, the combined action of speaker 902 down, can the noise elimination, under weather conditions such as rain and snow when blowing, when unsuitable windowing the ventilation, close controller 10, the utility model discloses not operate.

The embodiments of the present invention have been described with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention, and these forms are all within the protection scope of the present invention.

Claims

1. The utility model provides a window of making an uproar falls in initiative, includes window frame and window form, its characterized in that: the window frame is located the wall body surface and is provided with the frame, the fixed solar photovoltaic board that bonds on the wall body surface between frame and the window frame, the solar photovoltaic board links to each other with the battery, install a set of initiative on the frame of window frame both sides respectively and fall the controlling means that makes an uproar, the controlling means that falls in the initiative includes reference microphone, error microphone and speaker, two sets of initiatively fall the controlling means that makes an uproar and link to each other with the controller that sets up on indoor wall body surface respectively.

2. An active noise reduction window according to claim 1, wherein: the active noise reduction control device comprises a reference microphone, an upper error microphone, a lower error microphone, an upper loudspeaker and a lower loudspeaker.

3. An active noise reduction window according to claim 2, wherein: the reference microphone is embedded in the outdoor side of the frame of the window frame and faces outdoors, the error microphone is embedded in the indoor side of the frame of the window frame and faces indoors, the upper loudspeaker is arranged at the top end of the indoor side of the frame of the window frame, the lower loudspeaker is arranged at the bottom end of the indoor side of the frame of the window frame, and the upper loudspeaker, the upper error microphone, the reference microphone, the lower error microphone and the lower loudspeaker are sequentially arranged on the frame at the same side of the window frame from top to bottom.

4. An active noise reduction window according to claim 1, wherein: the height range of the frames at the two sides of the window frame is 1-1.2 meters.

5. An active noise reduction window according to claim 2 or 3, wherein: the distance range between the reference microphone and the upper error microphone is 20-25 cm, and the distance range between the reference microphone and the lower error microphone is 20-25 cm.

6. An active noise reduction window according to claim 2 or 3, wherein: the distance range between the upper error microphone and the upper loudspeaker is 30-35 cm, and the distance range between the lower error microphone and the lower loudspeaker is 30-35 cm.

7. An active noise reduction window according to claim 2 or 3, wherein: and sound-transmitting protective films are arranged on the surfaces of the upper error microphone, the reference microphone and the lower error microphone.

8. An active noise reduction window according to claim 1, wherein: the storage battery is arranged on the surface of the indoor wall body.

9. An active noise reduction window according to claim 1 or 8, wherein: the storage battery can be connected with a power supply for charging.

10. An active noise reduction window according to claim 9, wherein: the storage battery is connected with a power supply through a voltage stabilizer for charging.