CN108182933A - Noise reduction method and automobile - Google Patents
Noise reduction method and automobile Download PDFInfo
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- CN108182933A CN108182933A CN201711407848.6A CN201711407848A CN108182933A CN 108182933 A CN108182933 A CN 108182933A CN 201711407848 A CN201711407848 A CN 201711407848A CN 108182933 A CN108182933 A CN 108182933A
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- noise
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- increasing unit
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
- G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
- G10K2210/10—Applications
- G10K2210/128—Vehicles
- G10K2210/1282—Automobiles
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
- G10K2210/50—Miscellaneous
- G10K2210/504—Calibration
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- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
An embodiment of the present invention provides a kind of noise reduction method and automobiles, are related to automobile technical field.The noise reduction method is applied to the automobile, and the automobile includes noise suppressor and distance increasing unit.The noise suppressor is integrated in the distance increasing unit, and the distance increasing unit is electrically connected with the noise suppressor, and the noise suppressor memory storage has the corresponding noise information of each operating mode of the distance increasing unit, the method includes：Obtain the current working information of the distance increasing unit；Obtain noise information corresponding with the current working information；Noise suppression sound wave is played according to the corresponding noise information, to carry out noise reduction to automotive interior.Quickly realize noise suppression, effectively save cost, take up space size, and noise is accurately inhibited.
Description
Technical field
The present invention relates to automobile technical field, in particular to a kind of noise reduction method and automobile.
Background technology
Interior noise is an important factor for influencing car owner's experience in car running process.Noise in automobile also becomes consumption
Person chooses important consideration index during automobile.
It for interior noise, is mainly generated, is propagated in compartment by automobile engine.Automobile vendor passes through physics noise reduction
Mode reduces the noise in compartment.Physics noise reduction mainly by adding a large amount of acoustic material in the car, to completely cut off noise.But
A large amount of acoustic material increases car body weight, and then influences the power of automobile, oil consumption.Ye You partial automobiles manufacturer uses ANC
Active noise reduction techniques reduce the noise in compartment.ANC active noise reductions acquire generally by sound system and detect interior summation
Noise after being handled by a controller summation, is sent out corresponding with interior frequency noise using the noise reduction loud speaker in compartment
Inhibition noise signal, to reach noise reduction purpose.But ANC active noise reductions are realized due to increase many parts in compartment,
Noise reduction is realized in cooperation, is needed to increase a large amount of cost, is not easy to popularize.
Invention content
The purpose of the present invention is to provide a kind of noise reduction method and automobile, to improve the above problem.
To achieve these goals, technical solution used in the embodiment of the present invention is as follows：
An embodiment of the present invention provides a kind of noise reduction method, applied to the noise suppressor being electrically connected with distance increasing unit,
The noise suppressor is integrated in the distance increasing unit, and the distance increasing unit is electrically connected with the noise suppressor, the noise suppressor
Memory storage has the corresponding noise information of each operating mode of the distance increasing unit, the method includes：Obtain the current of the distance increasing unit
Work information；Obtain noise information corresponding with the current working information；Noise suppression is played according to the corresponding noise information
Sound wave, to carry out noise reduction to automotive interior.
Further, the method further includes：It obtains the distance increasing unit and operates in corresponding noise letter during each operating mode
Breath；Correspondence between the noise information and work information is stored.
Further, the step of current working information of the acquisition distance increasing unit includes：Obtain the distance increasing unit
Engine speed information；The current working information of the distance increasing unit is determined according to the engine speed information.
Further, the noise information includes noise frequency information, amplitude information and phase information, described in the basis
Corresponding noise information is generated and is included the step of playing noise suppression sound wave：Believed according to the frequency information, amplitude information and phase
Breath, modulation is identical with the frequency information of the noise information, the amplitude information is identical and the noise suppression sound wave of opposite in phase,
And play the corresponding noise suppression sound wave of the noise information.
Further, the noise suppressor is also electrically connected with calibration harvester, and the method further includes：By described
It calibrates harvester and obtains environmental noise information；According to playing the environmental noise information and noise information adjustment
Noise suppression sound wave.
The embodiment of the present invention also provides a kind of noise reduction method, and applied to automobile, the automobile includes distance increasing unit, noise
Harvester and noise suppressor, the noise suppressor are integrated in the distance increasing unit, the noise gathering device and the noise suppression
Device is electrically connected, the method includes：The noise gathering device acquires the noise information of the running distance increasing unit；Institute
It states noise suppressor and receives the noise information；The noise suppressor calculates noise suppression information according to the noise information；The suppression
Device of making an uproar plays noise suppression sound wave according to the noise suppression information.
Further, the automobile further includes calibration harvester, and the calibration harvester is installed in compartment, described
It calibrates harvester to be electrically connected with the noise suppressor, the method further includes：In the calibration harvester acquisition compartment
Environmental noise information；The noise suppressor calculates noise suppression information according to the noise information and includes：The noise suppressor root
Go out noise suppression information according to described in the noise information and ambient noise information calculating.
Further, the noise suppressor goes out noise suppression according to calculating the noise information and the ambient noise information
The step of information, includes：The noise suppressor calculates the first noise suppression information according to the noise information；It is made an uproar according to the environment
Acoustic intelligence is adjusted the first noise suppression information, to obtain the noise suppression information.
The embodiment of the present invention also provides a kind of automobile, and the automobile includes distance increasing unit and noise suppressor, the noise suppressor
Be integrated in the distance increasing unit, the distance increasing unit and the noise suppressor are electrically connected, the noise suppressor memory storage with it is described
The corresponding noise information of each operating mode of distance increasing unit；The noise suppressor obtains the current working information of the distance increasing unit；According to
The corresponding noise information of the current working acquisition of information；Noise suppression sound wave is played according to the corresponding noise information.
Further, the automobile further includes calibration harvester, the noise suppressor and the calibration harvester electricity
Property connection, the calibration harvester acquisition environmental noise information is simultaneously sent to the noise suppressor；The noise suppressor according to
The noise suppression sound wave that the environmental noise information and noise information adjustment play.
Difference with the prior art is, a kind of noise reduction method provided in an embodiment of the present invention and automobile.The peace
It is known and stable to have filled the operating mode that the automobile of distance increasing unit can be run, and operating in the noise generated during each operating mode has rule
Property.Therefore, the method determines corresponding noise information using the current working information of the distance increasing unit of acquisition, utilizes noise suppression
The noise suppression sound wave corresponding with noise information that device broadcasting pre-sets, quickly realizes noise suppression.The noise suppressor is integrated in institute
It states in distance increasing unit, effectively save cost, take up space size, accomplishes accurately to inhibit noise.
For the above objects, features and advantages of the present invention is enable to be clearer and more comprehensible, preferred embodiment cited below particularly, and coordinate
Appended attached drawing, is described in detail below.
Description of the drawings
It in order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range, for those of ordinary skill in the art, without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 shows a kind of schematic diagram of automobile provided in an embodiment of the present invention.
Fig. 2 shows a kind of step flow charts of noise reduction method provided in an embodiment of the present invention.
Fig. 3 shows the step flow chart of another noise reduction method provided in an embodiment of the present invention.
Fig. 4 is the sub-step flow chart of step S104 in Fig. 3.
Icon：100- automobiles；10- distance increasing units；20- noise suppressors；11- engine systems；12- generator systems.
Specific embodiment
Below in conjunction with attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Ground describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Usually exist
The component of the embodiment of the present invention described and illustrated in attached drawing can be configured to arrange and design with a variety of different herein.Cause
This, the detailed description of the embodiment of the present invention to providing in the accompanying drawings is not intended to limit claimed invention below
Range, but it is merely representative of the selected embodiment of the present invention.Based on the embodiment of the present invention, those skilled in the art are not doing
Go out all other embodiments obtained under the premise of creative work, shall fall within the protection scope of the present invention.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need to that it is further defined and explained in subsequent attached drawing.Meanwhile the present invention's
In description, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that instruction or hint relative importance.
First embodiment
Fig. 1 shows the schematic diagram for the automobile 100 that present pre-ferred embodiments provide.As shown in Figure 1, the automobile 100 wraps
It includes：Distance increasing unit 10 and noise suppressor 20.The noise suppressor 20 is integrated in the distance increasing unit 10, and the noise suppressor 20 and institute
Distance increasing unit 10 is stated to be electrically connected.
The distance increasing unit 10 includes engine system 11 and generator system 12.The engine system 11 and generator system
System 12 is attached by flywheel and spline.Distance increasing unit 10 correspond to it is multiple can running operating point.Each pair of operation points is answered rotating speed, is turned round
Square and power are fixed, therefore the noise sent out in the operation of distance increasing unit 10 has regularity, and the noise letter sent out in each operating mode
Breath is also predictable.
The noise suppressor 20 can include ANC system.The noise suppression information of acoustic wave of noise suppression sound wave, suppression are calculated by ANC system
Noise waves information includes frequency and amplitude.Again according to accordingly generate one counteracting sound.Since the work operating mode of distance increasing unit 10 is pre-
The fixation operating mode known makes ANC system simpler compared to applied to the ANC system in orthodox car, and cost also reduces.Into
One step, noise information corresponding with described each operating mode of distance increasing unit 10, the suppression can be prestored in noise suppressor 20
Device 20 of making an uproar obtains the current working information of the distance increasing unit 10；According to the corresponding noise letter of the current working acquisition of information
Breath；Noise suppression sound wave is played according to the corresponding noise information, to carry out noise reduction to 100 inside of automobile.Noise suppressor 20 includes
Control unit (figure is not marked) and at least one loud speaker (figure is not marked).Described control unit and the controller of the distance increasing unit 10
(figure is not marked) is integrated, and is electrically connected.Described control unit is also electrically connected with the loud speaker.Specifically, control unit obtains
The current working information of distance increasing unit 10 is taken, is matched from pre-stored noise information according to the current working information with working as
The corresponding noise information of preceding work information, and noise suppression sound wave is modulated, and played by the loud speaker according to corresponding noise information
The noise suppression sound wave.
Optionally, the automobile 100 can not also include calibration harvester (not shown).It is described calibration harvester with
Noise suppressor 20 is electrically connected.It can be microphone to calibrate harvester.The calibration harvester, which is arranged in compartment, to be used for
Acquire the environmental noise information in 100 compartment of automobile.And collected environmental noise information is sent to noise suppressor 20.It is optional
Ground, the noise suppression sound wave that noise suppressor 20 can also be played according to the environmental noise information and noise information adjustment.
Automobile 100 can also include noise gathering device (not shown), and the noise gathering device can be microphone.Institute
It states Noise Acquisition device to set adjacent to the distance increasing unit 10, and is electrically connected with the noise suppressor 20.The noise gathering dress
It puts to acquire the noise sent out in 10 operational process of distance increasing unit.It should be noted that the noise that distance increasing unit 10 is sent out when running
It is rule.And the corresponding noise information of the noise of acquisition is sent to the noise suppressor 20 in real time.
Second embodiment
Fig. 2 is please referred to, Fig. 2 shows a kind of flow charts of noise reduction method provided in an embodiment of the present invention.The vapour
Vehicle noise-reduction method is applied to a kind of noise suppressor 20 for automobile 100 that first embodiment provides.It the described method comprises the following steps：
Step S101 obtains the current working information of the distance increasing unit 10.
In the present embodiment, can be that the characteristic parameter of 10 current working status of distance increasing unit is characterized by acquisition to determine increasing
The current working of journey device 10.It should be noted that it may determine that the work shape of present engine system 11 according to the special parameter
State.Characteristic parameter can be, but not limited to the rotary speed information for including engine and torque information.Optionally, the noise suppressor 20
Control unit obtains the current engine speed information of the distance increasing unit 10 from the controller of distance increasing unit 10, further according to the hair
Motivation rotary speed information determines the current working information of the distance increasing unit 10.Optionally, the control unit of the noise suppressor 20
It can be the current torque information that the distance increasing unit 10 is obtained from the controller of distance increasing unit 10.It is determined according to the torque information
The current working information of the distance increasing unit 10.
Step S102 obtains noise information corresponding with the current working information.
In the present embodiment, according to the current working information from the distance increasing unit 10 that is stored in the denoising device 0 of prestoring
Corresponding noise information is obtained in noise information.The noise information includes noise frequency information, amplitude information and phase information.
It should be noted that can be according to selection before noise reduction method comes into operation, control distance increasing unit 10 operates in often successively
Under one operating mode, and the noise information that 10 corresponding engine of distance increasing unit makes a noise is acquired under each operating mode.By acquisition
Correspondence between noise information work information corresponding with 10 operating condition of distance increasing unit during acquisition noise information is one by one
It is stored in the control unit of noise suppressor 20, is obtained after current working information from stored noise to work as noise suppressor 20
Corresponding noise information is matched in information.It, can also be in advance by the corresponding suppression of noise under each operating mode in other embodiment
Noise processed records storage, can be obtained according to current working in this way and need to play corresponding inhibition noise.Then noise suppressor
20 can be made up of simple controller and player, without that by ANC system, can reduce cost.
Step S103 plays noise suppression sound wave according to the corresponding noise information, to carry out noise reduction to 100 inside of automobile.
In the present embodiment, it according to the frequency information, amplitude information and phase information, modulates and the noise information
The frequency information is identical, the amplitude information is identical and the noise suppression sound wave of opposite in phase, and plays the noise information and correspond to
Noise suppression sound wave, to carry out noise reduction to the inside of automobile 100.Noise is avoided to have an impact the client being seated in 100 compartment of automobile.
Step S104 obtains environmental noise information by the calibration harvester.
In the present embodiment, the environmental noise that can also be received in real time in the compartment acquired by calibrating harvester is believed
Breath.The environmental noise information includes frequency information, amplitude information and the phase information of noise in compartment.
Step S105, the noise suppression sound wave played according to the environmental noise information and noise information adjustment.
In the present embodiment, currently practical noise information is calculated according to environmental noise information and the noise information, and
The noise suppression sound wave played according to the currently practical noise information adjustment.By the self adaptive control of step S105, realize to vehicle
The accurate removal of noise in compartment.Improve the experience of the occupant in compartment.
3rd embodiment
Fig. 3 is please referred to, Fig. 3 shows a kind of flow chart of noise reduction method provided in an embodiment of the present invention.The automobile
Noise-reduction method is applied to a kind of automobile 100 that first embodiment provides.As shown in figure 3, it the described method comprises the following steps：
Step S201, the noise gathering device acquire the noise information of the running distance increasing unit 10, and are sent to
The noise suppressor 20.
In the present embodiment, the noise gathering device acquires the noise information 0 of distance increasing unit 10 in real time.The fortune of distance increasing unit 10 can
To run on any operating point pre-seted, each operating point can be known in advance, that is, 10 corresponding operating mode of distance increasing unit letter
Breath can be extrapolated in advance.Therefore, the noise that engine system 11 generates in 10 operational process of distance increasing unit is regular.And
Orthodox car due to driver driving habit and road conditions the problems such as, it is difficult to predict the operating mode of the engine of orthodox car, make production
Raw noise is also irregular to be sought.Therefore, it makes an uproar using noise gathering device in this present embodiment compared to acquisition in orthodox car
The equipment of sound, realization is more simple, and it is more efficient to acquire noise.
Step S202, the noise suppressor 20 receive the noise information.
In the present embodiment, noise suppressor 20 can include ANC system.Since the work operating mode of distance increasing unit 10 is precognition
Fixed operating mode, makes ANC system simpler compared to applied to the ANC system in orthodox car, and cost also reduces.
Step S203, the calibration harvester acquire the environmental noise information in compartment.
Step S204, the noise suppressor 20 calculate noise suppression information according to the noise information.
In the present embodiment, ANC system calculates noise suppression information according to the noise information obtained from noise gathering device, then
It is generated according to noise suppression information and plays noise suppression sound wave.Optionally, the noise suppressor 20 can also be according to the noise information
And go out noise suppression information described in the ambient noise information calculating.As shown in figure 4, step S204 can include following sub-step：
Sub-step S2041, the noise suppressor 20 calculate the first noise suppression information according to the noise information.
Sub-step S2042 is adjusted the first noise suppression information according to the ambient noise information, with described in acquisition
Noise suppression information.
Step S205, the noise suppressor 20 plays noise suppression sound wave according to the noise suppression information, to be carried out to automotive interior
Noise reduction.
In the present embodiment, the noise suppressor 20 is according to calculating the noise information and the ambient noise information
Go out noise suppression information.
In conclusion an embodiment of the present invention provides a kind of noise reduction method and automobiles.The noise reduction method should
For the automobile, the automobile includes noise suppressor and distance increasing unit.The noise suppressor is integrated in the distance increasing unit, described
Distance increasing unit is electrically connected with the noise suppressor, and the noise suppressor memory storage has each operating mode of the distance increasing unit is corresponding to make an uproar
Acoustic intelligence, the method includes：Obtain the current working information of the distance increasing unit；It obtains corresponding with the current working information
Noise information；Noise suppression sound wave is played according to the corresponding noise information, to carry out noise reduction to automotive interior.Quickly realize suppression
It makes an uproar, effectively save cost, take up space size, and noise is accurately inhibited.
In several embodiments provided herein, it should be understood that disclosed device and method can also pass through
Other modes are realized.The apparatus embodiments described above are merely exemplary, for example, flow chart and block diagram in attached drawing
Show the device of multiple embodiments according to the present invention, the architectural framework in the cards of method and computer program product,
Function and operation.In this regard, each box in flow chart or block diagram can represent the one of a module, program segment or code
Part, a part for the module, program segment or code include one or more and are used to implement holding for defined logic function
Row instruction.It should also be noted that at some as in the realization method replaced, the function that is marked in box can also be to be different from
The sequence marked in attached drawing occurs.For example, two continuous boxes can essentially perform substantially in parallel, they are sometimes
It can perform in the opposite order, this is depended on the functions involved.It is it is also noted that every in block diagram and/or flow chart
The combination of a box and the box in block diagram and/or flow chart can use function or the dedicated base of action as defined in performing
It realizes or can be realized with the combination of specialized hardware and computer instruction in the system of hardware.
In addition, each function module in each embodiment of the present invention can integrate to form an independent portion
Point or modules individualism, can also two or more modules be integrated to form an independent part.
If the function is realized in the form of software function module and is independent product sale or in use, can be with
It is stored in a computer read/write memory medium.Based on such understanding, technical scheme of the present invention is substantially in other words
The part contribute to the prior art or the part of the technical solution can be embodied in the form of software product, the meter
Calculation machine software product is stored in a storage medium, is used including some instructions so that a computer equipment (can be
People's computer, server or network equipment etc.) perform all or part of the steps of the method according to each embodiment of the present invention.
And aforementioned storage medium includes：USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
The various media that can store program code such as reservoir (RAM, Random Access Memory), magnetic disc or CD.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any this practical relationship or sequence.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only will including those
Element, but also including other elements that are not explicitly listed or further include as this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
Also there are other identical elements in process, method, article or equipment including the element.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, that is made any repaiies
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.It should be noted that：Similar label and letter exists
Similar terms are represented in following attached drawing, therefore, once being defined in a certain Xiang Yi attached drawing, are then not required in subsequent attached drawing
It is further defined and is explained.
Claims (10)
1. a kind of noise reduction method, which is characterized in that applied to the noise suppressor (20) being electrically connected with distance increasing unit (10), institute
It states noise suppressor (20) to be integrated in the distance increasing unit (10), the distance increasing unit (10) electrically connects with the noise suppressor (20)
It connects, noise suppressor (20) memory storage has the corresponding noise information of the distance increasing unit (10) each operating mode, the method packet
It includes：
Obtain the current working information of the distance increasing unit (10)；
Obtain noise information corresponding with the current working information；
Noise suppression sound wave is played according to the corresponding noise information, with to carrying out noise reduction inside automobile (100).
2. noise reduction method as described in claim 1, which is characterized in that the method further includes：
It obtains the distance increasing unit (10) and operates in corresponding noise information during each operating mode；
Correspondence between the noise information and work information is stored.
3. noise reduction method as described in claim 1, which is characterized in that the current work for obtaining the distance increasing unit (10)
The step of condition information, includes：
Obtain the engine speed information of the distance increasing unit (10)；
The current working information of the distance increasing unit (10) is determined according to the engine speed information.
4. noise reduction method as described in claim 1, which is characterized in that the noise information include noise frequency information,
Amplitude information and phase information, it is described to be generated according to the corresponding noise information and included the step of playing noise suppression sound wave：
According to the frequency information, amplitude information and phase information, modulation is identical with the frequency information of the noise information,
The amplitude information is identical and the noise suppression sound wave of opposite in phase, and plays the corresponding noise suppression sound wave of the noise information.
5. noise reduction method as described in claim 1, which is characterized in that the noise suppressor (20) also fills with calibration acquisition
Electric connection is put, the method further includes：
Environmental noise information is obtained by the calibration harvester；
The noise suppression sound wave played according to the environmental noise information and noise information adjustment.
6. a kind of noise reduction method, which is characterized in that applied to automobile (100), the automobile (100) is including distance increasing unit
(10), noise gathering device and noise suppressor (20), the noise suppressor (20) is integrated in the distance increasing unit (10), described to make an uproar
Sound harvester is electrically connected with the noise suppressor (20), the method includes：
The noise gathering device acquires the noise information of the running distance increasing unit (10), and is sent to the noise suppressor
(20)；
The noise suppressor (20) receives the noise information；
The noise suppressor (20) calculates noise suppression information according to the noise information；
The noise suppressor (20) plays noise suppression sound wave according to the noise suppression information, with to carrying out noise reduction inside automobile (100).
7. noise reduction method as claimed in claim 6, which is characterized in that the automobile (100) further includes calibration acquisition dress
It puts, the calibration harvester is installed in compartment, and the calibration harvester is electrically connected with the noise suppressor (20),
The method further includes：Environmental noise information in the calibration harvester acquisition compartment；
The noise suppressor (20) calculates noise suppression information according to the noise information and includes：The noise suppressor (20) is according to institute
It states and goes out noise suppression information described in noise information and ambient noise information calculating.
8. noise reduction method as claimed in claim 7, which is characterized in that the noise suppressor (20) is believed according to the noise
The step of going out noise suppression information described in breath and ambient noise information calculating includes：
The noise suppressor (20) calculates the first noise suppression information according to the noise information；
The first noise suppression information is adjusted according to the ambient noise information, to obtain the noise suppression information.
9. a kind of automobile (100), which is characterized in that the automobile (100) includes distance increasing unit (10) and noise suppressor (20), described
Noise suppressor (20) is integrated in the distance increasing unit (10), and the distance increasing unit (10) is electrically connected with the noise suppressor (20),
Noise suppressor (20) memory storage has the corresponding noise information of the distance increasing unit (10) each operating mode；The noise suppressor
(20) the current working information of the distance increasing unit (10) is obtained；According to the corresponding noise information of the current working acquisition of information；
Noise suppression sound wave is played according to the corresponding noise information, with to carrying out noise reduction inside automobile (100).
10. automobile (100) as claimed in claim 9, which is characterized in that the automobile (100) further includes calibration harvester,
The noise suppressor (20) is electrically connected with the calibration harvester, and the calibration harvester acquisition environmental noise information is simultaneously
It is sent to the noise suppressor (20)；The noise suppressor (20) adjusts according to the environmental noise information and the noise information
The noise suppression sound wave played.
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| CN201711407848.6A CN108182933A (en) | 2017-12-22 | 2017-12-22 | Noise reduction method and automobile |
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| CN201711407848.6A CN108182933A (en) | 2017-12-22 | 2017-12-22 | Noise reduction method and automobile |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109113877A (en) * | 2018-07-17 | 2019-01-01 | 江西精骏电控技术有限公司 | A kind of distance increasing unit pulsation inhibition control method |
| CN110223669A (en) * | 2019-07-01 | 2019-09-10 | 天津职业技术师范大学(中国职业培训指导教师进修中心) | Processing method, the device and system of car noise |
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| CN110223669A (en) * | 2019-07-01 | 2019-09-10 | 天津职业技术师范大学(中国职业培训指导教师进修中心) | Processing method, the device and system of car noise |
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