CN115339281A - Self-adaptive adjustment holographic noise reduction air conditioner system, method and storage medium - Google Patents
Self-adaptive adjustment holographic noise reduction air conditioner system, method and storage medium Download PDFInfo
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- CN115339281A CN115339281A CN202210754873.6A CN202210754873A CN115339281A CN 115339281 A CN115339281 A CN 115339281A CN 202210754873 A CN202210754873 A CN 202210754873A CN 115339281 A CN115339281 A CN 115339281A
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000004378 air conditioning Methods 0.000 claims description 28
- 230000003044 adaptive effect Effects 0.000 claims description 22
- 238000004891 communication Methods 0.000 claims description 4
- 238000004590 computer program Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 8
- 230000003287 optical effect Effects 0.000 description 3
- 238000013473 artificial intelligence Methods 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010801 machine learning Methods 0.000 description 1
- 230000005055 memory storage Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
- B60H2001/006—Noise reduction
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- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The invention discloses a self-adaptive adjustment holographic noise reduction air conditioner system, a self-adaptive adjustment holographic noise reduction air conditioner method and a storage medium, and belongs to the technical field of vehicle-mounted air conditioners. The patent provides a self-adaptive adjustment holographic noise reduction air conditioner system, a self-adaptive adjustment holographic noise reduction air conditioner method and a storage medium, wherein the noise reduction air conditioner noise is obtained by obtaining the original air conditioner noise of a vehicle and performing noise reduction treatment; according to the noise of the de-noising air conditioner, the anti-phase de-noising sound wave data is obtained and sent to the loudspeaker unit, the noise of the whole vehicle is improved, the NVH quality of the vehicle is improved, and therefore user experience is improved.
Description
Technical Field
The invention discloses a self-adaptive adjustment holographic noise reduction air conditioning system, a self-adaptive adjustment holographic noise reduction air conditioning method and a storage medium, and belongs to the technical field of automobile front windshield.
Background
Automotive air conditioning systems possess very complex internal and external structures, including: air conditioner filter, blower, evaporator, warm air core, temperature sensor, air door mixing unit and air supply pipeline with different shapes, etc. The air is delivered through the supply duct to various specific locations in the cabin, such as: front/rear, passenger's face, feet, and glass defrost, etc. In fact, some noises are difficult to avoid when the air conditioning system is operating, such as: when the blower is rotated at a high speed, or when the air flow in the damper mixing unit is turbulent, or when the air rapidly passes through a complicated curve in the duct, and the air leaves the supply port, noise (abnormal sound) is generated, resulting in a reduction in ride comfort. Generally, the standards related to noise generation of the vehicle air conditioner are used as guidance by the automobile industry association of each country, for example, the national standard GB/T21361-2017 of china stipulates that the measured value of the noise (sound pressure level) on the evaporator side of the vehicle air conditioner should not exceed 70dB (a).
At present, the traditional mode of improving the noise changes the evaporimeter side noise of air conditioner air outlet pipeline structure improvement vehicle air conditioner, but still can't solve the different operating frequency of evaporimeter, and the noise still influences people and drives the experience of in-process.
Disclosure of Invention
The invention aims to solve the problems that the existing evaporator still cannot solve different operating frequencies of the evaporator, and noise still influences the experience of people in the driving process, and provides a self-adaptive adjustment holographic noise reduction air conditioning system, a method and a storage medium.
The invention aims to solve the problems and is realized by the following technical scheme:
according to a first aspect of the embodiments of the present invention, there is provided an adaptive adjustment holographic noise reduction air conditioning system, including an upper computer, and a microphone array and a speaker unit communicating with the upper computer, where the microphone array is arranged in an air outlet duct of an air conditioner, and the speaker unit is arranged on a side wall of the air outlet duct of the air conditioner;
the microphone array is used for acquiring the original air conditioner noise of the vehicle and sending the original air conditioner noise to the upper computer;
the upper computer comprises an active noise reduction module and a noise level determination module, wherein the active noise reduction module is used for obtaining the original air conditioner noise of the vehicle, performing noise reduction processing on the original air conditioner noise to obtain noise-reduced air conditioner noise, and sending the noise-reduced air conditioner noise to the noise level determination module;
the loudspeaker unit is used for acquiring the anti-phase noise reduction sound wave data and executing an instruction.
According to a second aspect of the embodiments of the present invention, there is provided an adaptive adjustment holographic noise reduction air conditioning method, applied to the first aspect, of an adaptive adjustment holographic noise reduction air conditioning system, including an upper computer, and a microphone array, a speaker unit, and an air outlet sound collection module, which are in communication with the upper computer, the method including:
acquiring original air conditioner noise of the vehicle, and performing denoising treatment to obtain denoised air conditioner noise;
and obtaining reversed phase noise reduction sound wave data according to the noise of the de-noised air conditioner and sending the reversed phase noise reduction sound wave data to a loudspeaker unit.
Preferably, the sending the data of the anti-phase noise reduction sound wave obtained according to the noise reduction air conditioner noise to the speaker unit includes:
determining the current noise level according to the noise of the noise reduction air conditioner;
determining a corresponding current noise reduction gain value according to the current noise level;
and carrying out dynamic compensation according to the current noise reduction gain value to obtain reverse noise reduction sound wave data and sending the reverse noise reduction sound wave data to the loudspeaker unit.
According to a third aspect of the embodiments of the present invention, there is provided an adaptive adjustment holographic noise reduction air conditioning device, which is applied to an upper computer, wherein the upper computer is respectively in communication connection with a microphone array, a speaker unit and an air outlet sound collection module, and the adaptive adjustment holographic noise reduction air conditioning device includes:
the active noise reduction module is used for obtaining the original air conditioner noise of the vehicle and obtaining the noise-reduced air conditioner noise after the noise-reduced air conditioner noise is subjected to noise reduction treatment;
and the noise level determining module is used for obtaining reverse phase noise reduction sound wave data according to the noise of the de-noised air conditioner and sending the reverse phase noise reduction sound wave data to the loudspeaker unit.
According to a fourth aspect of the embodiments of the present invention, there is provided an upper computer, including:
one or more processors;
a memory for storing the one or more processor-executable instructions;
wherein the one or more processors are configured to:
the method of the first aspect of the embodiments of the present invention is performed.
According to a fifth aspect of embodiments of the present invention, there is provided a non-transitory computer-readable storage medium, wherein instructions of the storage medium, when executed by a processor of a host computer, enable the host computer to perform the method of the first aspect of embodiments of the present invention.
According to a sixth aspect of the embodiments of the present invention, there is provided an application program product, when the application program product runs on an upper computer, the upper computer is caused to execute the method according to the first aspect of the embodiments of the present invention.
The invention has the beneficial effects that:
the patent provides a self-adaptive adjustment holographic noise reduction air conditioner system, a self-adaptive adjustment holographic noise reduction air conditioner method and a storage medium, wherein the noise reduction air conditioner noise is obtained by obtaining the original air conditioner noise of a vehicle and performing noise reduction treatment; according to the noise of the de-noising air conditioner, the anti-phase de-noising sound wave data is obtained and sent to the loudspeaker unit, the noise of the whole vehicle is improved, the NVH quality of the vehicle is improved, and therefore user experience is improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
FIG. 1 is a schematic diagram illustrating electrical connections for an adaptive tuning holographic noise reduction air conditioning system according to an exemplary embodiment;
FIG. 2 is a schematic diagram of an arrangement of an adaptive tuning holographic noise reduction air conditioning system according to an exemplary embodiment;
FIG. 3 is a schematic diagram illustrating an arrangement of an adaptive tuning holographic noise reduction air conditioning system according to an exemplary embodiment;
FIG. 4 is a schematic diagram illustrating an arrangement of an adaptive tuning holographic noise reduction air conditioning system according to an exemplary embodiment;
FIG. 5 is a schematic diagram illustrating an arrangement of an adaptive tuning holographic noise reduction air conditioning system according to an exemplary embodiment;
FIG. 6 is a flow diagram illustrating a method of adaptively adjusting a holographic noise reduction air conditioning according to an exemplary embodiment;
fig. 7 is a block diagram illustrating a structure of an adaptive modulation holographic noise reduction air conditioner according to an exemplary embodiment.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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 should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
Fig. 1 is a block diagram schematically illustrating a structure of an adaptive modulation holographic noise reduction air conditioning system according to an exemplary embodiment, the system including: the upper computer and the microphone array, the loudspeaker unit and the air outlet sound collection module which are communicated with the upper computer are shown in figures 2-5, wherein the microphone array comprises 4 microphones which are respectively arranged in an air outlet pipeline of the air conditioner, and the loudspeaker unit comprises 4 loudspeakers which are respectively arranged on the side wall of the air outlet pipeline of the air conditioner.
The microphone array is used for acquiring the original air conditioner noise of the vehicle and sending the original air conditioner noise to the upper computer; the upper computer comprises an active noise reduction module and a noise level determination module, wherein the active noise reduction module is used for obtaining the original air conditioner noise of the vehicle, performing noise reduction processing on the original air conditioner noise to obtain noise-reduced air conditioner noise, and sending the noise-reduced air conditioner noise to the noise level determination module; the loudspeaker unit is used for acquiring the anti-phase noise reduction sound wave data and executing and sending an instruction.
Example two
The embodiment of the invention provides a self-adaptive adjustment holographic noise reduction air conditioning method, which is realized by an upper computer, wherein the upper computer at least comprises a CPU (central processing unit) and the like as shown in figure 6, the self-adaptive adjustment holographic noise reduction air conditioning system applied to the embodiment one comprises the upper computer, and a microphone array, a loudspeaker unit and an air outlet sound acquisition module which are communicated with the upper computer, and the method comprises the following steps:
102, obtaining inverse noise reduction sound wave data according to the noise of the de-noised air conditioner, and sending the inverse noise reduction sound wave data to a loudspeaker unit, wherein the specific contents are as follows:
determining the current noise level according to the noise of the noise reduction air conditioner;
determining a corresponding current noise reduction gain value according to the current noise level;
according to the current noise reduction gain value, dynamic compensation is carried out to obtain reversed phase noise reduction sound wave data, and the reversed phase noise reduction sound wave data are sent to the loudspeaker unit
The method obtains the noise of the de-noising air conditioner after de-noising processing is carried out on the original air conditioner noise of the vehicle; according to the noise of the de-noising air conditioner, the anti-phase de-noising sound wave data is obtained and sent to the loudspeaker unit, the noise of the whole vehicle is improved, the NVH quality of the vehicle is improved, the noise of evaporators with different frequencies can be reduced, and therefore the user experience is improved.
EXAMPLE III
Fig. 7 shows an adaptive control holographic noise reduction air conditioner according to an exemplary embodiment, which is applied to an upper computer, the upper computer is respectively connected with a microphone array, a speaker unit and an air outlet sound collection module in a communication manner, and the adaptive control holographic noise reduction air conditioner includes:
the active noise reduction module 210 is configured to obtain original vehicle air conditioner noise, perform denoising processing on the original vehicle air conditioner noise, and obtain denoised air conditioner noise;
and the noise level determining module 220 is used for obtaining the original air conditioner noise of the vehicle and obtaining the noise-removed air conditioner noise after the noise-removed air conditioner noise is subjected to noise removal processing.
According to the method, the original air conditioner noise of the vehicle is obtained and subjected to denoising processing to obtain the denoised air conditioner noise; according to the noise of the de-noising air conditioner, the anti-phase de-noising sound wave data is obtained and sent to the loudspeaker unit, the noise of the whole vehicle is improved, the NVH quality of the vehicle is improved, the noise of evaporators with different frequencies can be reduced, and therefore the user experience is improved.
Example four
The upper computer that this application embodiment provided, this upper computer can be the upper computer in above-mentioned embodiment. The upper computer can be a portable mobile upper computer, and the upper computer can also be called user equipment, a portable upper computer and other names.
Generally, the host computer includes: a processor and a memory.
The processor may include one or more processing cores, such as a 4-core processor, an 8-core processor, and so on. The processor may be implemented in at least one hardware form of DSP (Digital Signal Processing), FPGA (Field-Programmable Gate Array), PLA (Programmable Logic Array). The processor may also include a main processor and a coprocessor, where the main processor is a processor for Processing data in a wake state, and is also called a Central Processing Unit (CPU); a coprocessor is a low power processor for processing data in a standby state. In some embodiments, the processor may be integrated with a GPU (Graphics Processing Unit), which is responsible for rendering and drawing the content that the display screen needs to display. In some embodiments, the processor may further include an AI (Artificial Intelligence) processor for processing computing operations related to machine learning.
The memory may include one or more computer-readable storage media, which may be tangible and non-transitory. The memory may also include high speed random access memory, as well as non-volatile memory, such as one or more magnetic disk storage devices, flash memory storage devices. In some embodiments, a non-transitory computer readable storage medium in a memory is configured to store at least one instruction for execution by a processor to implement an adaptive tuning holographic noise reduction air conditioning method provided herein.
EXAMPLE five
In an exemplary embodiment, there is also provided a computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements an adaptive tuning holographic noise reduction air conditioning method as provided by all inventive embodiments of this application.
Any combination of one or more computer-readable media may be employed. The computer readable medium may be a computer readable signal medium or a computer readable storage medium. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the context of this document, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
A computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
Computer program code for carrying out operations for aspects of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, smalltalk, C + + or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider).
EXAMPLE six
In an exemplary embodiment, an application program product is also provided, which includes one or more instructions executable by a processor of the above apparatus to perform the above adaptive tuning holographic noise reduction air conditioning method.
While embodiments of the invention have been disclosed above, it is not intended to be limited to the uses set forth in the specification and examples. It can be applied to all kinds of fields suitable for the present invention. Additional modifications will readily occur to those skilled in the art. Therefore, the invention is not to be limited to the specific details and illustrations shown and described herein, without departing from the general concept as defined by the claims and their equivalents.
Claims (6)
1. An adaptive adjustment holographic noise reduction air conditioning system is characterized by comprising an upper computer, a microphone array and a loudspeaker unit, wherein the microphone array and the loudspeaker unit are communicated with the upper computer;
the microphone array is used for acquiring the original air conditioner noise of the vehicle and sending the original air conditioner noise to the upper computer;
the upper computer comprises an active noise reduction module and a noise level determination module, wherein the active noise reduction module is used for obtaining the original air conditioner noise of the vehicle, performing noise reduction processing on the original air conditioner noise to obtain noise-reduced air conditioner noise, and sending the noise-reduced air conditioner noise to the noise level determination module;
the loudspeaker unit is used for acquiring the anti-phase noise reduction sound wave data and executing an instruction.
2. An adaptive adjustment holographic noise reduction air conditioning method applied to the adaptive adjustment holographic noise reduction air conditioning system of claim 1, which is characterized by comprising an upper computer, and a microphone array, a loudspeaker unit and an air outlet sound collection module which are communicated with the upper computer, wherein the method comprises the following steps:
obtaining the original air conditioner noise of the vehicle, and performing denoising treatment to obtain denoised air conditioner noise;
and obtaining reverse-phase noise reduction sound wave data according to the noise of the noise reduction air conditioner and sending the reverse-phase noise reduction sound wave data to a loudspeaker unit.
3. The method as claimed in claim 2, wherein the step of obtaining the inverse noise reduction sound wave data according to the noise reduction air conditioning noise and sending the inverse noise reduction sound wave data to the speaker unit comprises:
determining the current noise level according to the noise of the noise reduction air conditioner;
determining a corresponding current noise reduction gain value according to the current noise level;
and carrying out dynamic compensation according to the current noise reduction gain value to obtain reversed phase noise reduction sound wave data and sending the reversed phase noise reduction sound wave data to the loudspeaker unit.
4. The utility model provides a holographic air conditioner device that makes an uproar that falls of self-adaptation regulation, its characterized in that is applied to the host computer, the host computer is connected with microphone array, speaker unit and air outlet sound collection module communication respectively, holographic air conditioner device that makes an uproar that self-adaptation regulation includes:
the active noise reduction module is used for obtaining the original air conditioner noise of the vehicle and obtaining the noise of the noise-removed air conditioner after denoising treatment;
and the noise level determination module is used for obtaining the inverse noise reduction sound wave data sound according to the noise of the denoising air conditioner.
5. The utility model provides a host computer, its characterized in that, the host computer includes:
one or more processors;
a storage device for storing one or more programs,
when the one or more programs are executed by the one or more processors, the one or more processors implement an adaptive tuning holographic noise reduction air conditioning method of claim 2 or 3.
6. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out an adaptive tuning holographic noise reduction air conditioning method according to claim 2 or 3.
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0292099A (en) * | 1988-09-29 | 1990-03-30 | Nippon Denso Co Ltd | Noise reduction device for vehicle |
| JPH07253788A (en) * | 1994-03-15 | 1995-10-03 | Mitsubishi Electric Corp | Active noise reducing device |
| FR2996342A1 (en) * | 2012-10-02 | 2014-04-04 | Peugeot Citroen Automobiles Sa | System for reducing noise of air-conditioner of motor bike, has control unit connected to loudspeaker to send command to reduce air-conditioner noise, and microphone and loudspeaker arranged in same section of air duct of air-conditioner |
| CN206568837U (en) * | 2017-02-22 | 2017-10-20 | 广州汽车集团股份有限公司 | On-board air conditioner and the vehicle with the on-board air conditioner |
| JP2017223936A (en) * | 2016-06-13 | 2017-12-21 | 株式会社デンソー | Noise reduction device and noise reduction method |
| CN111462724A (en) * | 2019-12-03 | 2020-07-28 | 国家电网有限公司 | Noise self-adaptive noise reduction method for high-voltage converter station |
| CN111536681A (en) * | 2020-04-24 | 2020-08-14 | 青岛海信日立空调***有限公司 | Air conditioner and active noise reduction debugging method |
| CN112562629A (en) * | 2020-12-10 | 2021-03-26 | 南京汉得利智能科技有限公司 | Device and method for reducing wind noise of automobile air conditioner pipeline |
| CN113525033A (en) * | 2016-09-21 | 2021-10-22 | 翰昂汽车零部件有限公司 | Vehicle air conditioning system |
| CN114446275A (en) * | 2020-11-02 | 2022-05-06 | 富智康精密组件(北京)有限公司 | Noise reduction system and method |
-
2022
- 2022-06-29 CN CN202210754873.6A patent/CN115339281A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0292099A (en) * | 1988-09-29 | 1990-03-30 | Nippon Denso Co Ltd | Noise reduction device for vehicle |
| JPH07253788A (en) * | 1994-03-15 | 1995-10-03 | Mitsubishi Electric Corp | Active noise reducing device |
| FR2996342A1 (en) * | 2012-10-02 | 2014-04-04 | Peugeot Citroen Automobiles Sa | System for reducing noise of air-conditioner of motor bike, has control unit connected to loudspeaker to send command to reduce air-conditioner noise, and microphone and loudspeaker arranged in same section of air duct of air-conditioner |
| JP2017223936A (en) * | 2016-06-13 | 2017-12-21 | 株式会社デンソー | Noise reduction device and noise reduction method |
| CN113525033A (en) * | 2016-09-21 | 2021-10-22 | 翰昂汽车零部件有限公司 | Vehicle air conditioning system |
| CN206568837U (en) * | 2017-02-22 | 2017-10-20 | 广州汽车集团股份有限公司 | On-board air conditioner and the vehicle with the on-board air conditioner |
| CN111462724A (en) * | 2019-12-03 | 2020-07-28 | 国家电网有限公司 | Noise self-adaptive noise reduction method for high-voltage converter station |
| CN111536681A (en) * | 2020-04-24 | 2020-08-14 | 青岛海信日立空调***有限公司 | Air conditioner and active noise reduction debugging method |
| CN114446275A (en) * | 2020-11-02 | 2022-05-06 | 富智康精密组件(北京)有限公司 | Noise reduction system and method |
| CN112562629A (en) * | 2020-12-10 | 2021-03-26 | 南京汉得利智能科技有限公司 | Device and method for reducing wind noise of automobile air conditioner pipeline |
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