CN212720025U - Active noise reduction window type air conditioner - Google Patents
Active noise reduction window type air conditioner Download PDFInfo
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- CN212720025U CN212720025U CN202020992789.4U CN202020992789U CN212720025U CN 212720025 U CN212720025 U CN 212720025U CN 202020992789 U CN202020992789 U CN 202020992789U CN 212720025 U CN212720025 U CN 212720025U
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Abstract
The utility model belongs to the technical field of the air conditioner, specifically provide a window formula air conditioner of making an uproar falls in initiative. The utility model discloses aim at solving the problem of window type air conditioner noise. Mesh for this reason, the utility model discloses an actively falling window formula air conditioner of making an uproar includes air conditioner casing, air conditioner casing includes indoor shell and outdoor casing, indoor shell is located the indoor side, outdoor casing is located the outdoor side, indoor shell's inboard is equipped with the cross-flow fan, the inboard of outdoor casing is equipped with axial fan, actively fall the window formula air conditioner of making an uproar and still include noise collection system, fall the processing module and the speaker of making an uproar, fall the processing module of making an uproar and be located the inboard of outdoor casing, noise collection system and speaker are located the outdoor casing, noise collection system and noise reduction processing module communication connection, fall processing module and speaker communication connection of making an upr. Because the utility model discloses an indoor side noise is very little, consequently, adopts the method of sending 180 degrees anti-phase noise sound waves and former noise sound waves from outdoor side and offset each other to reach the effect of making an uproar.
Description
Technical Field
The utility model belongs to the technical field of the air conditioner, specifically provide a window formula air conditioner of making an uproar falls in initiative.
Background
The window type air conditioner is small in size, is suitable for users with small room space, and is low in installation requirement and technical requirement when being used as an all-in-one machine, so that the window type air conditioner has certain market space.
Because the window type air conditioner is an integral unit, when the inner side of the window type air conditioner adopts a cross-flow fan, the window type air conditioner is an ultra-silent window type air conditioner, the noise generated at the indoor side is low, however, part of the running noise of a compressor of the window type air conditioner is transmitted to the indoor, the noise pollution is increased, and the window type air conditioner is often fixed on a window frame or a windowsill and is easy to vibrate, so that high-frequency noise and low-frequency noise are generated.
Accordingly, there is a need in the art for a new active-noise-reduction window air conditioner that addresses the noise problem of existing window air conditioners.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned problem among the prior art, for the noise problem of solving current window formula air conditioner promptly, the utility model provides an actively fall window formula air conditioner of making an uproar, including air conditioner casing, air conditioner casing includes indoor housing and outdoor casing, indoor housing is located indoor side, outdoor casing is located outdoor side, indoor housing's inboard is equipped with the through-flow fan, indoor housing's inboard is equipped with axial fan, actively fall the window formula air conditioner of making an uproar still include noise collection system, fall the processing module and the speaker of making an uproar, fall the processing module of making an uproar and be located the inboard of outdoor casing, noise collection system with the speaker is located on the outdoor casing, noise collection system with fall the processing module communication connection of making an uproar, fall the processing module of making an uproar with speaker communication connection.
In the above preferred technical solution of the active noise reduction window type air conditioner, the speaker and the noise collection device are located on four side surfaces of the outdoor housing.
In the above preferred technical solution of the active noise reduction window type air conditioner, the number of the noise collection devices is greater than or equal to four, and the number of the speakers is greater than or equal to four.
In the above preferred technical solution of the active noise reduction window type air conditioner, the noise collection device is a microphone.
In the preferable technical scheme of the active noise reduction window type air conditioner, the loudspeaker is a Hi-Fi sound box.
In the preferable technical scheme of the active noise reduction window type air conditioner, the noise collecting device faces the outdoor side.
In the above preferred technical solution of the active noise reduction window type air conditioner, the speaker faces the indoor side.
In the preferred technical scheme of the active noise reduction window type air conditioner, the noise collecting device and the loudspeaker are of an integrated structure.
In the above preferred technical solution of the active noise reduction window type air conditioner, the indoor outer casing is further provided with a compressor at the inner side, and the speaker is located at the left side of the compressor and the axial flow fan, wherein the left side is the side close to the indoor side.
In the preferred technical scheme of the active denoise window type air conditioner, the active denoise window type air conditioner is a fixed frequency air conditioner.
As can be understood by those skilled in the art, in the technical solution of the present invention, the active noise reduction window type air conditioner comprises an air conditioner casing, the air conditioner casing comprises an indoor casing and an outdoor casing, it should be noted that, the indoor casing and the outdoor casing in the present invention refer to a casing in an indoor part and a casing in an outdoor part, the two casings may be separated or integrated, and are not limited to only two casings, but also may be one casing passing from an indoor side to an outdoor side, the inner side of the indoor casing is provided with a cross flow fan, the inner side of the outdoor casing is provided with an axial flow fan, the active noise reduction window type air conditioner further comprises a noise collection device, a noise reduction processing module and a speaker, the noise reduction processing module is located in the inner side of the outdoor casing, the noise collection device and the speaker are located on the outdoor casing, the noise collection device and the noise reduction processing module are in communication connection, the noise reduction processing module is in communication connection with the loudspeaker.
Because the utility model discloses an inboard the adopting of window formula air-conditioner is cross-flow fan, compares the noise of ordinary window formula air-conditioner and wants little, consequently, main noise pollution is passed in by the outdoor side, considers on this aspect, the utility model discloses a mode of setting mainly sends the sound wave the same with former noise amplitude, 180 degrees antiphase through the speaker from the outdoor side to offset each other with former noise, thereby reach the purpose of making an uproar, in addition, fall the processing module of making an uproar and can be independent setting, also can be with the integrative setting of the treater of air-conditioner self.
Drawings
The active noise reduction window type air conditioner of the present invention will be described with reference to the accompanying drawings. In the drawings:
FIG. 1 is a schematic diagram of the internal structure of a prior art active denoise window air conditioner;
fig. 2 is a side view of the active noise reduction window type air conditioner of the present invention in an installed state;
fig. 3 is a front view of the outside of the active noise reduction window type air conditioner of the present invention.
List of reference numerals:
1-window type air conditioner; 11-an indoor housing; 12-an outdoor housing; 13-a noise collection device; 14-a loudspeaker; 15-cross flow fan; 16-axial fan.
Detailed Description
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention. And can be adjusted as needed by those skilled in the art to suit particular applications. For example, although the description has been made with respect to Hi-Fi audio, it is obvious that the present invention may be applied to other various general audio devices or apparatuses as long as it can receive the inverted sound wave signal from the noise reduction processing module and emit the inverted sound wave.
It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate directions or positional relationships based on those shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the 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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1 and 2, for solving the noise problem of current window air conditioner 1, the utility model discloses an actively fall window air conditioner 1 of making an uproar includes air conditioner casing, air conditioner casing includes indoor housing 11 and outdoor housing 12, indoor housing 11 is located the indoor side, outdoor housing 12 is located the outdoor side, indoor housing 11's inboard is equipped with cross-flow fan 15, outdoor housing 12's inboard is equipped with axial fan 16, actively fall window air conditioner 1 of making an uproar still includes noise collection device 13, fall the processing module of making an uproar (not shown in the figure) and speaker 14, fall the processing module of making an uproar and be located the inboard of outdoor housing 12, noise collection device 13 and speaker 14 are located outdoor housing 12, noise collection device 13 and the processing module communication connection of making an uproar fall, fall processing module and speaker 14 communication connection of making an uproar.
The setting mode has the advantages that: because the indoor side adopts the cross flow fan 15, the noise is small, the noise mainly comes from the outdoor side, the utility model collects the noise emitted by the outdoor side through the noise collecting device 13, then sends the noise signal to the noise reduction processing module, the noise reduction processing module carries out algorithm processing and outputs 180-degree reverse phase sound wave signal, the reverse phase sound wave signal is transmitted to the loudspeaker 14, the loudspeaker 14 emits 180-degree reverse phase sound wave to be mutually offset with the original noise sound wave, thereby neutralizing the noise and realizing the noise reduction effect, as a preferred implementation mode, the noise reduction processing module can comprise an active noise reduction chip and a power amplifier, wherein, the active noise reduction chip can adopt a DSP chip and the like, the function can be used for quickly realizing various digital signal processing algorithms, in addition, the power amplifier is used for amplifying weak electric signals to drive the loudspeaker 14 to emit sound, it may be a power amplifying circuit, or any other device capable of amplifying an electrical signal.
As shown in fig. 3 with continued reference to fig. 2, in one possible embodiment, the speakers 14 and the noise collection device 13 are located on four sides of the outdoor housing 12, and it will be understood by those skilled in the art that when the window air conditioner 1 has been installed, the side facing away from the wall is the front side of the outdoor housing 12, and the remaining left, right, upper and lower sides are the four sides of the outdoor housing 12.
The setting mode has the advantages that: because the noise that compressor and axial fan 16 in the outdoor casing body 12 produced is propagated all around, consequently, all set up speaker 14 and noise collection system 13 on four sides of outdoor casing body 12, noise collection system 13 can the omnidirectional gather the noise, improves the accuracy that the noise was gathered, and speaker 14 can the omnidirectional send the anti-phase sound wave and offset former noise, improves the efficiency of making an uproar that falls.
In a possible embodiment, the number of the noise collecting devices 13 is equal to or greater than four, and the number of the speakers 14 is equal to or greater than four.
The setting mode has the advantages that: the more the number of the noise collection devices 13 and the speakers 14 is, the denser the arrangement on the outdoor housing 12 is, the more accurate the collected noise signal is, the higher the efficiency of canceling out the emitted reverse sound wave is, so that the effective noise reduction can be obtained, but the cost is increased, therefore, in the practical use, the number of the noise collection devices 13 and the speakers 14 should be determined according to the power of the axial flow fan 16 and the compressor, the parameters of the noise collection devices 13 and the speakers 14 and the expected cost, but in order to collect the noise signal in all directions, the number of the noise collection devices 13 and the speakers 14 is equal to or more than four.
In one possible embodiment, the noise detection device 13 is a microphone.
The setting mode has the advantages that: the microphone is an energy conversion device for converting sound signals into electric signals, and a capacitive microphone which is widely applied at present can directly convert sound into electric energy signals and has extremely wide frequency response, because a vibration film of the capacitive microphone can be made of light and thin materials, and induced sound pressure is directly converted into audio signals, frequency response bass can be extended to ultra-low frequency below 10Hz, high pitch can easily reach ultrasonic waves of tens of KHz, and very wide frequency response characteristics are shown.
In one possible embodiment, the speaker 14 is a Hi-Fi stereo.
The setting mode has the advantages that: Hi-Fi is the abbreviation of English Hight-Fidelity, and means high Fidelity, that is, it is required to amplify each index of the sound signal without distortion in the sound transmission and amplification process, so that the inverse noise signal output by the noise reduction processing module can be perfectly restored to inverse noise, and the inverse sound wave emitted by the Hi-Fi sound can effectively cancel the original noise sound wave, thereby achieving the purpose of noise reduction.
With continued reference to fig. 2, in a possible embodiment the noise collection device 13 is directed towards the outside of the chamber.
The setting mode has the advantages that: the utility model discloses a noise source is mainly the noise that is produced by axial fan and compressor in the outdoor casing 12, and consequently sound is indoor by outdoor propagation entering, consequently, with noise collection system 13 towards outdoor side, indicates the direction towards the noise source promptly, and the noise of collection can be more accurate, has improved the efficiency of making an uproar that falls.
With continued reference to fig. 2, in one possible embodiment, the speaker 14 is directed toward the indoor side.
The setting mode has the advantages that: because the noise is transmitted from the outdoor to the indoor, the user can hear the noise at the indoor side, therefore, the opposite noise transmitted by the loudspeaker 14 can meet the original noise only for being transmitted from the outdoor to the indoor, and then the opposite noise is cancelled, thereby achieving the purpose of noise reduction.
With continued reference to fig. 2 and 3, in one possible embodiment, the noise-pickup device 13 and the speaker 14 are of a unitary construction.
The setting mode has the advantages that: on the one hand, regard noise collection system 13 and speaker 14 as integral type structure, can conveniently upgrade the transformation to the air conditioner that has already put into use, improve the convenience of installation, on the other hand, as a preferred implementation mode, noise collection system 13 and speaker 14 adopt back to back setting, namely speaker 14 is to the source direction of noise, noise collection system 13 is towards the direction of noise source, can make the opposition noise that is sent by speaker 14 not pass through noise collection system 13, in order to avoid causing the passback of noise, make mixed noise gather by noise collection system 13, influence the accuracy of gathering the noise, in addition, can set up the baffle between noise collection system 13 and speaker 14, the main objective is the passback of the noise that prevents speaker 14 to send.
With continued reference to fig. 1 and 2, in one possible embodiment, a compressor is also provided inside the outdoor housing 12, and the speaker 14 is located to the left of the compressor and the axial fan 16, wherein the left side is the side near the room.
The setting mode has the advantages that: because the utility model discloses a noise principal source is outdoor side's compressor and axial fan 16, and the direction of propagation of noise is for being passed to indoor side by outdoor side to in getting into the human ear, set up speaker 14 in compressor and axial fan 16's left side, when the noise has not got into indoorly, the noise just can be offset with the noise to the reverse phase noise that speaker 14 sent, thereby can realize falling comprehensively and make an uproar.
In one possible embodiment, the active denoised window air conditioner 1 is a fixed frequency air conditioner.
The setting mode has the advantages that: decide window formula air conditioner 1 of frequently is the frequency of the compressor in the outdoor body 12 invariable, and the low frequency noise that consequently produces also is invariable, compares in inverter air conditioner, and the noise that the fixed frequency air conditioner produced is more stable, easily control to do not need complicated noise suppression system to restrain, the utility model discloses a noise collection system 13, the combined use of falling noise processing module and speaker 14 can satisfy the purpose of making an uproar of deciding frequency window formula air conditioner 1 completely and fall, are more applicable to the fixed frequency air conditioner, when having practiced thrift manufacturing cost, and the noise reduction effect is better.
To sum up, the utility model discloses an active noise reduction window type air conditioner 1 indoor side almost noiselessness, the noise source mainly is outdoor side, consequently the method of making an uproar falls adopts outdoor side to fall and makes an uproar, gather the noise on four sides of outdoor casing 12 through noise collection system 13 promptly, the noise of this position collection is comparatively comprehensive, then with noise signal transmission to the processing module of making an uproar that falls, after digital processing, send inverted noise signal to speaker 14, send inverted noise and former noise by speaker 14 and stack and offset, thereby reach the effect of making an uproar that falls.
It should be noted that the above-mentioned embodiments are only used for illustrating the principle of the present invention, and are not intended to limit the protection scope of the present invention, and those skilled in the art can adjust the above-mentioned structure without deviating from the principle of the present invention, so that the present invention can be applied to more specific application scenarios.
For example, in an alternative embodiment, the noise collecting device 13 may use other electrical components or assemblies for collecting the noise, and it is sufficient to connect the noise signal to the noise reduction module without departing from the principles of the present invention, and thus all fall within the protection scope of the present invention.
For example, in another alternative embodiment, the speaker 14 may use other common sound devices or other devices for transmitting noise reduction sound waves, as long as the opposite-phase sound wave signal sent by the noise reduction processing module can be converted into opposite-phase sound waves for propagation, which do not depart from the principles of the present invention and thus all fall within the protection scope of the present invention.
For example, in another alternative embodiment, the noise collecting device 13 and the speaker 14 may be separately disposed on the outdoor housing 12, without departing from the principles of the present invention, and therefore all will fall within the scope of the present invention.
So far, the technical solution of the present invention has been described with reference to the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, a person skilled in the art can make equivalent changes or substitutions to the related technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides an active noise reduction window type air conditioner, a serial communication port, active noise reduction window type air conditioner includes air conditioner shell, air conditioner shell includes indoor shell and outdoor casing, indoor shell is located the indoor side, outdoor casing is located the outdoor side, indoor shell's inboard is equipped with the cross-flow fan, the inboard of outdoor casing is equipped with axial fan, active noise reduction window type air conditioner still includes noise collection system, falls the processing module and the speaker of making an uproar, it is located to fall the processing module of making an uproar the inboard of outdoor casing, noise collection system with the speaker is located on the outdoor casing, noise collection system with fall the processing module communication connection of making an uproar, fall the processing module with speaker communication connection.
2. The active denoised window air conditioner of claim 1 wherein the speakers and the noise collection device are located on four sides of the outdoor housing.
3. The active denoised window air conditioner of claim 1 wherein the number of noise collectors is equal to or greater than four and the number of speakers is equal to or greater than four.
4. The active denoised window air conditioner of claim 1 wherein the noise collection device is a microphone.
5. The active denoised window air conditioner of claim 1 wherein the speakers are Hi-Fi speakers.
6. The active denoised window air conditioner of claim 1 wherein the noise collection device is directed outside the chamber.
7. The active denoised window air conditioner of claim 1 wherein the speakers are directed to the indoor side.
8. The active denoised window air conditioner of claim 1 wherein the noise pickup device and the speaker are of a unitary construction.
9. The active window air conditioner of claim 1, further comprising a compressor inside the outdoor housing, wherein the speaker is located to the left of the compressor and the axial fan, wherein the left side is the side near the indoor space.
10. The active denoised window air conditioner of any one of claims 1-9, wherein the active denoised window air conditioner is a fixed frequency air conditioner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020992789.4U CN212720025U (en) | 2020-06-03 | 2020-06-03 | Active noise reduction window type air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020992789.4U CN212720025U (en) | 2020-06-03 | 2020-06-03 | Active noise reduction window type air conditioner |
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| CN212720025U true CN212720025U (en) | 2021-03-16 |
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| CN202020992789.4U Active CN212720025U (en) | 2020-06-03 | 2020-06-03 | Active noise reduction window type air conditioner |
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| CN (1) | CN212720025U (en) |
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- 2020-06-03 CN CN202020992789.4U patent/CN212720025U/en active Active
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