CN210425307U - Noise acquisition analysis and active noise reduction system for air conditioner outdoor unit - Google Patents
Noise acquisition analysis and active noise reduction system for air conditioner outdoor unit Download PDFInfo
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- CN210425307U CN210425307U CN201921115566.3U CN201921115566U CN210425307U CN 210425307 U CN210425307 U CN 210425307U CN 201921115566 U CN201921115566 U CN 201921115566U CN 210425307 U CN210425307 U CN 210425307U
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- 230000001681 protective effect Effects 0.000 claims abstract description 31
- 238000004378 air conditioning Methods 0.000 claims abstract description 27
- 230000010365 information processing Effects 0.000 claims abstract description 26
- 210000005069 ears Anatomy 0.000 claims abstract description 6
- 238000001914 filtration Methods 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 16
- 230000017525 heat dissipation Effects 0.000 claims description 10
- 230000008054 signal transmission Effects 0.000 claims description 4
- 239000012774 insulation material Substances 0.000 claims description 3
- 230000001629 suppression Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model discloses a noise acquisition analysis and active noise reduction system for an air conditioning outdoor unit, which comprises a noise reduction protective cover, a plurality of noise acquisition devices, a noise information processing device and a sound wave emission device, wherein the noise reduction protective cover is sleeved on the periphery of the air conditioning outdoor unit; the noise acquisition devices are distributed at different positions of the noise reduction protective cover and are used for acquiring unit noises diffused to different directions and sending acquired audio information to the noise information processing device; the noise information processing device is positioned on the top surface of the noise reduction protective cover and is used for filtering ultrahigh frequency and ultralow frequency noise which cannot be sensed by human ears, analyzing the frequency and the magnitude of the noise and measuring the noise to further feed back an analysis result to the sound wave transmitting device; the sound wave emitting device is arranged on the noise reduction protective cover and is used for emitting sound wave signals with the same frequency and opposite direction to the noise frequency so as to resist the propagation of the noise. The utility model discloses can eliminate or weaken the unit noise of arbitrary direction random frequency, realize the initiative suppression of the outdoor unit noise of air conditioner and need not to change unit self structure, reduce the cost that the engineering was made an uproar to the air conditioner.
Description
Technical Field
The utility model relates to a warm logical air conditioner field, in particular to noise acquisition analysis and initiative noise reduction system for air conditioning outdoor unit.
Background
At present, the living standard of people is improved day by day, the air conditioner becomes the electrical apparatus that people live in the house and are indispensable, people also have higher and higher requirements to the performance of air conditioner in all aspects, on the basis of satisfying human heat and humidity comfort level, people also put forward new requirements to the silence operational capability of air conditioning unit.
In the prior art, noise treatment of an air conditioning unit in the market of the air conditioning industry is basically adjusted from the structure and the operation condition of the air conditioning unit, namely, the noise generation source is treated, and the design and the performance of the air conditioning unit are affected. In addition, the existing scheme can not be implemented for old units which are sold and successfully installed, and in order to solve the problem, an active noise reduction scheme of the air conditioning unit is provided. The existing active noise reduction scheme lacks a processing scheme for the noise of an outdoor unit, and the application can solve the part of requirements.
SUMMERY OF THE UTILITY MODEL
In order to overcome the deficiencies in the prior art, the utility model provides a noise collection analysis and initiative noise reduction system for air conditioner outdoor unit can realize air conditioner outdoor unit's noise initiative suppression and need not to change unit self structure.
In order to achieve the purpose of the utility model, the technical scheme adopted for solving the technical problem is as follows:
a noise acquisition analysis and initiative noise reduction system for air conditioning outdoor unit, including falling the protection casing of making an uproar, a plurality of noise collection system, noise information processing apparatus and sound wave emitter, wherein:
the noise reduction protective cover is sleeved on the periphery of the air conditioner outdoor unit;
the noise acquisition devices are distributed at different positions of the noise reduction protective cover and are used for acquiring unit noises diffused to different directions and sending acquired audio information to the noise information processing device;
the noise information processing device is positioned on the top surface of the noise reduction protective cover and is used for filtering ultrahigh frequency and ultralow frequency noise which cannot be sensed by human ears, analyzing the frequency and the magnitude of the noise and measuring the noise to further feed back an analysis result to the sound wave transmitting device;
the sound wave transmitting device is arranged on the noise reduction protective cover and is used for transmitting sound wave signals with the same frequency and opposite direction to the noise frequency so as to resist the transmission of noise.
Preferably, the number of the noise collection devices is at least 8, and the noise collection devices are respectively fixed at 8 vertexes of the noise reduction protective cover and used for collecting unit noises diffused towards different directions.
Preferably, the noise collecting means and the sound wave emitting means may be integrated in the same device.
Furthermore, the noise reduction protective cover is arranged on the periphery of the other side faces of the air conditioning outdoor unit except the front vent, and a certain heat dissipation distance is kept between the noise reduction protective cover and the air conditioning outdoor unit.
Furthermore, the noise reduction protective cover is made of sound insulation materials.
Furthermore, a plurality of radiating holes are formed in the noise reduction protective cover, and the radiating holes are formed in the bottom surface of the noise reduction protective cover and any other side surfaces except the front ventilation opening of the air conditioning outdoor unit, so that heat dissipation of the air conditioning outdoor unit is facilitated.
Furthermore, the noise collecting device adopts a sound pick-up for collecting noise.
The noise information processing device is used for processing the noise information and transmitting the processed noise information to the sound wave transmitting device.
Further, still include data transmission device and connecting rod, wherein:
the data transmission device is arranged on the noise acquisition device and used for sending the audio information acquired by the noise acquisition device to the noise information processing device;
the connecting rod is used for connecting the noise acquisition device, the sound wave emission device and the data transmission device with the noise reduction protective cover.
And the mobile phone end is wirelessly connected with the noise acquisition device and used for controlling the on-off of the noise acquisition device.
The utility model discloses owing to adopt above technical scheme, make it compare with prior art, have following advantage and positive effect:
the utility model discloses can eliminate or weaken the unit noise of arbitrary direction arbitrary frequency, needn't consider unit self operating condition, can end the back at air conditioner installation engineering and customize the installation according to user self demand, needn't consider the air conditioner model, the commonality is strong to can be held manual control by the cell-phone, not relevant with the operation of air conditioning unit, can the artificial control switch of making an uproar that falls. The active suppression of the noise of the outdoor unit of the air conditioner is realized without changing the self structure of the unit, and the cost of noise reduction engineering of the air conditioner is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
fig. 1 is a schematic structural diagram of the noise collection analysis and active noise reduction system for the air conditioning outdoor unit of the present invention.
[ description of main symbols ]
1-a noise collection device;
2-noise reduction shield;
3-heat dissipation holes;
4-noise information processing means;
5-signal transmission means;
6-data transmission means;
7-connecting rod.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described and discussed below with reference to the accompanying drawings of the present invention, and it is obvious that only some examples, not all examples, of the present invention are described herein, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
As shown in fig. 1, the utility model discloses a noise collection analysis and initiative noise reduction system for air conditioning outdoor unit, including falling the protection casing 2 of making an uproar, a plurality of noise collection system 1, noise information processing apparatus 4 and sound wave emitter, wherein:
the noise reduction protective cover 2 is sleeved on the periphery of the air conditioning outdoor unit;
the noise acquisition devices 1 are distributed at different positions of the noise reduction protective cover 2 and are used for acquiring unit noises diffused to different directions and sending acquired audio information to the noise information processing device 4;
the noise information processing device 4 is positioned on the top surface of the noise reduction protective cover 2 and is used for filtering ultrahigh frequency and ultralow frequency noise which cannot be sensed by human ears, analyzing the frequency and the magnitude of the noise and measuring the noise to feed back the analysis result to the sound wave transmitting device so as to determine the data of the sound wave transmitting device in each direction;
the sound wave transmitting device is arranged on the noise reduction protective cover 2 and is used for transmitting sound wave signals with the same frequency and opposite direction to the noise frequency to resist the transmission of the noise after receiving the signals processed by the noise information processing device 4, thereby offsetting the influence of the noise of the outdoor unit of the air conditioner on the outside of human ears. Preferably, the sound wave emitting device and the noise collection device 1 may be integrated on the same device.
In this embodiment, the number of the noise collection devices 1 is at least 8, and the noise collection devices are respectively fixed on 8 vertexes of the noise reduction protection cover 2 to collect unit noises diffused in different directions.
In fig. 1, the noise reduction shield 2 is installed on the periphery of the other side face except the front vent of the air conditioning outdoor unit, and keeps a certain distance satisfying the heat dissipation condition with the air conditioning outdoor unit. The noise reduction protective cover 2 is made of sound insulation materials. The noise reduction protective cover 2 plays a role of a mounting medium of other devices (the noise acquisition device 1, the noise information processing device 4, the sound wave emission device and the like) of the system, and also can play a certain passive noise reduction role, so that noise is controlled in a small space around the unit.
Considering the heat dissipation demand of the air conditioning outdoor unit, the noise reduction protective cover 2 is provided with a plurality of heat dissipation holes 3, so that the heat dissipation of the air conditioning outdoor unit is facilitated. The heat dissipation holes 3 are formed in the bottom surface of the noise reduction protective cover 2 and any other side surface except the front ventilation opening of the air conditioning outdoor unit.
In this embodiment, the noise collecting device 1 adopts a sound pickup for collecting noise.
Furthermore, the noise collecting, analyzing and active noise reducing system further comprises a signal transmission device 5, wherein the signal transmission device 5 is located above the noise information processing device 4 and is used for transmitting the noise information obtained after the noise information processing device 4 processes the noise information to the sound wave transmitting device.
Further, the noise collection analysis and active noise reduction system further comprises a data transmission device 6 and a connecting rod 7, wherein the data transmission device 6 is arranged on the noise collection device 1 and is used for sending the audio information collected by the noise collection device 1 to the noise information processing device 4; the connecting rod 7 is used for connecting the noise acquisition device 1, the sound wave emission device and the data transmission device 6 with the noise reduction protective cover 2.
Furthermore, the noise collection analysis and active noise reduction system further comprises a mobile phone end, wherein the mobile phone end is wirelessly connected with the noise collection device 1 and is used for controlling the on-off of the noise collection device 1. The running condition of the air conditioning unit does not need to be considered, the system can be closed when the noise reduction function is not needed, the use is more flexible, and the energy is more saved.
The specific working principle is as follows:
the specific operation process of the system is that noise generated by an outdoor unit of the air conditioner is subjected to omnibearing acquisition by a noise acquisition device 1 positioned on eight vertexes of a noise reduction protective cover 2, acquired data is transmitted back to a noise information processing device 4 in a wireless transmission mode through a data transmission device 6, the noise information processing device 4 can filter ultrahigh frequency and ultralow frequency noise which cannot be sensed by human ears, the noise information processed by the noise information processing device 4 and the frequency, the size and the direction information of a sound wave to be transmitted by a sound wave transmitting device are transmitted to the sound wave transmitting device through a signal transmission device 5, and the sound wave transmitting device transmits a sound wave with the same frequency and the opposite direction to the identified noise frequency to successfully eliminate the unit noise.
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 changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A noise acquisition analysis and initiative noise reduction system for air conditioning outdoor unit, its characterized in that is including making an uproar protection casing, a plurality of noise collection system, noise information processing apparatus and sound wave emitter fall, wherein:
the noise reduction protective cover is sleeved on the periphery of the air conditioner outdoor unit;
the noise acquisition devices are distributed at different positions of the noise reduction protective cover and are used for acquiring unit noises diffused to different directions and sending acquired audio information to the noise information processing device;
the noise information processing device is positioned on the top surface of the noise reduction protective cover and is used for filtering ultrahigh frequency and ultralow frequency noise which cannot be sensed by human ears, analyzing the frequency and the magnitude of the noise and measuring the noise to further feed back an analysis result to the sound wave transmitting device;
the sound wave transmitting device is arranged on the noise reduction protective cover and is used for transmitting sound wave signals with the same frequency and opposite direction to the noise frequency so as to resist the transmission of noise.
2. The noise collection, analysis and active noise reduction system for an outdoor unit of an air conditioner according to claim 1, wherein the number of the noise collection devices is at least 8, and the noise collection devices are respectively fixed at 8 vertexes of the noise reduction shield to collect unit noises spreading in different directions.
3. The system for collecting and analyzing noise and actively reducing noise for an outdoor unit of an air conditioner according to claim 1 or 2, wherein the noise collecting means and the sound wave emitting means are integrated on the same device.
4. The noise collection, analysis and active noise reduction system for an outdoor unit of an air conditioner according to claim 1, wherein the noise reduction shield is installed at the periphery of the other side of the outdoor unit of the air conditioner except for the front vent, and keeps a certain heat dissipation distance from the outdoor unit of the air conditioner.
5. The noise collection, analysis and active noise reduction system for an outdoor unit of an air conditioner according to claim 1, wherein the noise reduction shield is made of a sound insulation material.
6. The system of claim 1, wherein the noise reduction shield has a plurality of heat dissipation holes, and the plurality of heat dissipation holes are disposed on the bottom surface of the noise reduction shield and any other side surface except the front vent of the air conditioning outdoor unit for dissipating heat of the air conditioning outdoor unit.
7. The system of claim 1, wherein the noise collecting device is a microphone for collecting noise.
8. The noise collection, analysis and active noise reduction system for the outdoor unit of an air conditioner as set forth in claim 1, further comprising a signal transmission device disposed on said noise information processing device for transmitting the noise information processed by said noise information processing device to said sound wave emitting device.
9. The noise collection analysis and active noise reduction system for an outdoor unit of an air conditioner according to claim 1, further comprising a data transmission device and a connecting rod, wherein:
the data transmission device is arranged on the noise acquisition device and used for sending the audio information acquired by the noise acquisition device to the noise information processing device;
the connecting rod is used for connecting the noise acquisition device, the sound wave emission device and the data transmission device with the noise reduction protective cover.
10. The system of claim 1, further comprising a mobile phone end, wherein the mobile phone end is wirelessly connected to the noise collection device and used for controlling the noise collection device to be turned on or off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921115566.3U CN210425307U (en) | 2019-07-16 | 2019-07-16 | Noise acquisition analysis and active noise reduction system for air conditioner outdoor unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921115566.3U CN210425307U (en) | 2019-07-16 | 2019-07-16 | Noise acquisition analysis and active noise reduction system for air conditioner outdoor unit |
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| CN210425307U true CN210425307U (en) | 2020-04-28 |
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| CN201921115566.3U Expired - Fee Related CN210425307U (en) | 2019-07-16 | 2019-07-16 | Noise acquisition analysis and active noise reduction system for air conditioner outdoor unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110207276A (en) * | 2019-07-16 | 2019-09-06 | 上海应用技术大学 | Noise gathering analysis and active noise reduction system and method for air-conditioner outdoor unit group |
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2019
- 2019-07-16 CN CN201921115566.3U patent/CN210425307U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110207276A (en) * | 2019-07-16 | 2019-09-06 | 上海应用技术大学 | Noise gathering analysis and active noise reduction system and method for air-conditioner outdoor unit group |
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Granted publication date: 20200428 |