CN115175031A - Vehicle door vibration frequency adjusting method and device, electronic equipment and storage medium - Google Patents
Vehicle door vibration frequency adjusting method and device, electronic equipment and storage medium Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
- H04R1/025—Arrangements for fixing loudspeaker transducers, e.g. in a box, furniture
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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
- G10K11/172—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using resonance effects
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
- H04R1/2807—Enclosures comprising vibrating or resonating arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
- H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
- H04R1/2873—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself for loudspeaker transducers
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- Acoustics & Sound (AREA)
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- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Abstract
The invention discloses a method and a device for adjusting vibration frequency of a vehicle door, electronic equipment and a storage medium, wherein the method comprises the following steps: when the current vibration frequency of the target vehicle door is detected to be within a preset resonance frequency range, starting a vibration component arranged on the target vehicle door; and determining a target vibration frequency based on the vibration frequency of the vibration component and the current vibration frequency so as to enable the target vehicle door to vibrate based on the target vibration frequency, wherein the target vibration frequency is a frequency smaller or larger than a preset resonance frequency range. According to the technical scheme of the embodiment of the invention, the vibration frequency of the vehicle door is changed by superposing new vibration to avoid a resonance frequency band between the target vehicle door and the door woofer, so that the effect of relieving the resonance condition of the vehicle door is achieved, and the vibration frequency of the subsequent superposed vibration component is controlled in a lower frequency range as much as possible, so that the effect of saving the energy consumption of the vehicle on the basis of relieving the resonance condition can be further achieved.
Description
Technical Field
The present invention relates to the field of automotive technologies, and in particular, to a method and an apparatus for adjusting a vehicle door vibration frequency, an electronic device, and a storage medium.
Background
Along with the development of car networking technology and automotive electronics technology, the user requires more and more high to car audio system's tone quality, not only be limited to have the sound can, consequently, door woofer gradually walks into the masses field of vision. However, because door woofer needs the door panel beating to carry out the reason fixed, when door woofer during operation, probably appear producing resonant problem with the door panel beating to cause extra noise, influence user experience.
At present, in order to avoid the resonance problem between the door woofer and the door sheet metal, a damping plate is generally used to perform sound insulation treatment on the door, or the audio output gain in the range around the maximum resonance frequency point is reduced to reduce the output power. The damping plate is filled in the vehicle door, so that the thickness of the vehicle door is increased, and the overall heat dissipation of the vehicle door and the performance of related peripheral parts are influenced; reducing the output frequency may cause the volume to be suddenly high or low when the user listens to music before and after the resonance frequency point, which affects the visual impression of the sound system to the user.
Disclosure of Invention
The invention provides a method and a device for adjusting vibration frequency of a vehicle door, electronic equipment and a storage medium, which are used for achieving the effect of relieving resonance conditions of the vehicle door and a door bass loudspeaker.
According to an aspect of the present invention, there is provided a vehicle door vibration frequency adjustment method, including:
when the current vibration frequency of the target vehicle door is detected to be within a preset resonance frequency range, starting a vibration component arranged on the target vehicle door;
and determining a target vibration frequency based on the vibration frequency of the vibration component and the current vibration frequency so as to enable the target vehicle door to vibrate based on the target vibration frequency, wherein the target vibration frequency is a frequency smaller than or larger than a preset resonance frequency range.
According to another aspect of the present invention, there is provided a vehicle door vibration frequency adjustment apparatus, including:
the vibration component starting module is used for starting a vibration component arranged on the target vehicle door when the current vibration frequency of the target vehicle door is detected to be within a preset resonance frequency range;
and the target vibration frequency determining module is used for determining a target vibration frequency based on the vibration frequency of the vibration component and the current vibration frequency so as to enable the target vehicle door to vibrate based on the target vibration frequency, wherein the target vibration frequency is a frequency smaller than or larger than the preset resonance frequency range.
According to another aspect of the present invention, there is provided an electronic apparatus including:
at least one processor; and
a memory communicatively coupled to the at least one processor; wherein the content of the first and second substances,
the memory stores a computer program executable by the at least one processor, the computer program being executable by the at least one processor to enable the at least one processor to perform a vehicle door vibration frequency adjustment method according to any embodiment of the invention.
According to another aspect of the present invention, there is provided a computer-readable storage medium storing computer instructions for causing a processor to implement a method for adjusting a vibration frequency of a vehicle door according to any one of the embodiments of the present invention when the computer instructions are executed.
According to the technical scheme of the embodiment of the invention, when the current vibration frequency of the target vehicle door is detected to be in the preset resonance frequency range, the vibration component arranged on the target vehicle door is started, and further, the target vibration frequency is determined based on the vibration frequency of the vibration component and the current vibration frequency, so that the target vehicle door vibrates based on the target vibration frequency, and the problems that in the prior art, the thickness of the vehicle door is increased, the overall heat dissipation of the vehicle door is influenced, and the performance of related peripheral components is possibly solved; reduce output frequency, probably lead to the user when listening to the music that is in around the resonance frequency point, the volume size is suddenly high suddenly low, influence the audio system and give the problem of the audio impression that the user brought, realized through the new vibration of stack, change the vibration frequency of door, in order to avoid the resonance frequency area between target door and the woofer, thereby reach the effect of alleviating the door resonance condition, and, with the vibration frequency of follow-up superimposed vibrating component as far as possible control in lower frequency range, can also further reach on the basis of alleviating the resonance condition, the effect of saving vehicle energy consumption.
It should be understood that the statements in this section do not necessarily identify key or critical features of the embodiments of the present invention, nor do they necessarily limit the scope of the invention. Other features of the present invention will become apparent from the following description.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flow chart of a method for adjusting a vibration frequency of a vehicle door according to an embodiment of the present invention;
FIG. 2 is a flowchart illustrating a method for adjusting a vibration frequency of a vehicle door according to a second embodiment of the present invention;
FIG. 3 is a graph of vibration displacement of a target vehicle door according to a second embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a vehicle door vibration frequency adjustment apparatus according to a third embodiment of the present invention;
fig. 5 is a schematic structural diagram of an electronic device implementing the method for adjusting the frequency of vibration of the vehicle door according to the embodiment of the present invention.
Detailed Description
In order to make those skilled in the art better understand the technical solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in other sequences than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example one
Fig. 1 is a flowchart of a method for adjusting a vehicle door vibration frequency according to an embodiment of the present invention, which is applicable to a situation where a vehicle door of a vehicle generates a resonance phenomenon due to vibration of an in-vehicle audio system, and the method may be implemented by a vehicle door vibration frequency adjusting device, which may be implemented in hardware and/or software, and the vehicle door vibration frequency adjusting device may be configured in a terminal and/or a server. As shown in fig. 1, the method includes:
and S110, when the current vibration frequency of the target vehicle door is detected to be in the preset resonance frequency range, starting a vibration component arranged on the target vehicle door.
In this embodiment, the target vehicle door may be a vehicle door in which a resonance condition exists between the door woofer and a fixing member thereof. In practical applications, when the woofer arranged in the vehicle door works, not only sound is emitted, but also vibration with different frequencies is generated, and the vehicle door is driven to vibrate together, so that the vibration frequency of the vehicle door at the moment can be taken as the current vibration frequency. The preset resonance frequency range may be a predetermined resonance frequency band between the vehicle door and its woofer. The preset resonance frequency range may be used to determine whether the target vehicle door is in a resonance state. It should be noted that the preset resonant frequency range is related to the attribute of the target vehicle door, and each vehicle door has a corresponding preset resonant frequency range, and can be determined by a frequency modulation method in a vehicle test stage.
Wherein the vibration member may be a member having a vibration capability. The vibration component can be an exciter, the exciter is a component which generates vibration according to an electric signal after being electrified, the exciter can generate the same function as a loudspeaker after being sealed and firmly fixed with a plate surface made of a specific material, and in practical application, the exciter can only keep the vibration capability but does not have the sound production capability.
Optionally, when it is detected that the current vibration frequency of the target vehicle door is within the preset resonance frequency range, starting a vibration component arranged on the target vehicle door, including: the method comprises the steps that the current vibration frequency of a target vehicle door is obtained through a vibration sensor arranged on the target vehicle door, and when the current vibration frequency is detected to be within a preset resonance frequency range, a resonance signal is generated and sent to a target processor; based on the target processor and the resonance signal, a vibration member activation instruction is generated to activate the vibration member.
The vibration sensor may be a member that determines the vibration frequency by detecting the displacement of the target vehicle door when the vibration driving force acts. The resonance signal may be a signal indicating that the target vehicle door is currently in a resonance state. The target processor may be a processor in the vehicle having computing power processing functionality. Illustratively, the target processor may be a power amplifier.
Specifically, when a sound system in a vehicle is in a working state, a door bass loudspeaker arranged in a target vehicle door plays sound in a low-frequency range, simultaneously generates vibration and drives the target vehicle door to vibrate together, a vibration sensor arranged on the target vehicle door can determine the vibration frequency of the vibration sensor by measuring the vibration displacement of the vehicle door when the vehicle door vibrates, when the current vibration frequency is detected to be in a preset resonance frequency range, a resonance signal can be generated and sent to a target processor, so that the target processor generates a vibration component starting instruction after receiving the resonance signal, and drives a vibration component to vibrate at a corresponding vibration frequency.
And S120, determining a target vibration frequency based on the vibration frequency of the vibration component and the current vibration frequency so that the target vehicle door vibrates based on the target vibration frequency.
In the present embodiment, the target vibration frequency may be a vibration frequency generated when the target vehicle door vibrates together with the vibration member. The target vibration frequency is a frequency smaller than or larger than a preset resonance frequency range.
Optionally, determining the target vibration frequency based on the vibration frequency of the vibration component and the current vibration frequency includes: synchronously vibrating the vibration component and the target vehicle door based on the vibration frequency and the current vibration frequency to determine a synchronous vibration function of the target vehicle door; based on the synchronous vibration function, a target vibration frequency is determined.
Here, the synchronous vibration function may be understood to represent a displacement of the target vehicle door and the vibration member when they vibrate together. In this embodiment, the synchronous vibration function may be a function obtained by superimposing two vibration equations with the same vibration direction and different vibration angular frequencies.
Optionally, determining a synchronous vibration function of the target vehicle door includes: and superposing the first vibration function corresponding to the vibration part and the second vibration function corresponding to the target vehicle door to obtain a synchronous vibration function.
In this embodiment, the first vibration function may be a function corresponding to an equation of vibration of the vibration member during vibration. The second vibration function may be a function corresponding to an equation of vibration of the target vehicle door during vibration.
For example, the synchronous vibration function and, therefore, the target vibration frequency may be determined by the following equation:
after the vibration component is started, the vibration component vibrates in a constant amplitude according to a preset frequency, so that a vibration equation, namely a first vibration function, of the vibration component can be made as follows:
wherein x is 1 Showing the vibrational displacement of the vibrating member, A 1 Vibration indicatorAmplitude of the moving part, ω 1 Representing the angular frequency of vibration, t, of the vibrating member 1 Which indicates the vibration time of the vibration member,
indicating the initial phase of vibration of the vibrating member.
Further, the later stable vibration state of the target vehicle door when vibrated by the driving force can be taken for research, and the vibration equation, namely the second vibration function, is as follows:
wherein x is 2 Representing the vibrational displacement of the target door, A 2 Representing the amplitude, ω, of the target door 2 Representing the angular frequency of vibration, t, of the target door 2 Indicates the vibration time of the target vehicle door,
indicating the initial phase of vibration of the target door.
It should be noted that, for the convenience of calculation, the amplitude a in the above two vibration equations may be used 1 ＝A 2 = A, initial phase
Therefore, the synchronous vibration equation after the superposition of the two vibration equations is:
as can be seen from the above formula, the amplitude part of the synchronous vibration equation after the superposition of the two vibration equations is
A periodic variation is present in the form of,
to synchronize forThe angular frequency of vibration.
According to the relationship between frequency and angular frequency in the principle of mechanical vibration: ω =2 π f, the target vibration frequency can be determined to be
Wherein f is 1 Representing the vibration frequency of the vibrating member, f 2 Representing the current vibration frequency of the target vehicle door.
It should be noted that, as can be known from the formula of the target vibration frequency, the target vibration frequency of the target vehicle door can be changed by only reasonably controlling the vibration frequency of the vibration component to be subsequently superposed, so that the target vibration frequency is kept away from the preset resonance frequency range, thereby achieving the purpose of relieving the resonance condition between the door woofer and the fixing member thereof. Based on this, the vibration frequency may be optionally smaller than the current vibration frequency. When the vibration frequency of the vibration component is controlled, the vibration frequency may be considered to be smaller than the parent vibration frequency of the target vehicle door, so that the superposed target vibration frequency is lower than the lower limit of the preset resonance frequency range. The advantage of setting the vibration frequency of the vibrating member in this way is that: the vibration frequency of the vibration component is related to the power of a transmitter for driving the vibration component to vibrate, the smaller the vibration frequency is, the smaller the required driving power is, and further, the effects of saving the energy consumption of the vehicle and relieving the resonance condition of the vehicle door can be achieved.
In a specific implementation, after determining that the current vibration frequency of the target vehicle door is within a preset resonance frequency range, a vibration component on the target vehicle door is started to vibrate according to a preset vibration frequency, further, the vibration component and the target vehicle door vibrate together according to the current vibration frequency and the vibration frequency of the vibration component to determine a synchronous vibration function of the target vehicle door, and the target vibration frequency of the target vehicle door after the vibration component is started is determined by analyzing the synchronous vibration function to enable the target vehicle door to continuously vibrate according to the target vibration frequency.
According to the technical scheme of the embodiment of the invention, when the current vibration frequency of the target vehicle door is detected to be in the preset resonance frequency range, the vibration component arranged on the target vehicle door is started, and further, the target vibration frequency is determined based on the vibration frequency of the vibration component and the current vibration frequency, so that the target vehicle door vibrates based on the target vibration frequency, and the problems that in the prior art, the thickness of the vehicle door is increased, the overall heat dissipation of the vehicle door is influenced, and the performance of related peripheral components is possibly solved; reduce output frequency, probably lead to the user when listening to the music that is in around the resonance frequency point, the volume size is suddenly high suddenly low, influence the audio system and give the problem of the audio impression that the user brought, realized through the new vibration of stack, change the vibration frequency of door, in order to avoid the resonance frequency area between target door and the woofer, thereby reach the effect of alleviating the door resonance condition, and, with the vibration frequency of follow-up superimposed vibrating component as far as possible control in lower frequency range, can also further reach on the basis of alleviating the resonance condition, the effect of saving vehicle energy consumption.
Example two
Fig. 2 is a flowchart of a method for adjusting a vehicle door vibration frequency according to a second embodiment of the present invention, which is added with a process for determining a preset resonant frequency range on the basis of the second embodiment. As shown in fig. 2, the method includes:
s210, playing sound in a target low-frequency range through a sound system arranged on the target vehicle door, and determining a vibration displacement curve of the target vehicle door.
The sound system may include, among other things, a door woofer mounted on the target vehicle door. The target low frequency range may be understood as a bass frequency band that is typically played in a sound system. Illustratively, the target low frequency range may be 20 Hz-80 Hz, etc. The vibration displacement curve may be a curve representing a correspondence relationship between a vibration displacement generated by the target vehicle door under forced vibration of bass vibration of the audio system and time.
In practical applications, in order to determine the resonant frequency band of the target vehicle door and the door woofer in the sound system, sounds with different frequencies in a target low-frequency range are played, vibration displacements of the target vehicle door at different frequencies are detected by the vibration sensor and are sent to the processor, so as to determine a vibration displacement curve of the target vehicle door.
For example, the vibration displacement curve may be determined by the following equation:
the process of the door woofer driving the target vehicle door to vibrate together can be considered as applying a periodic external force to the target vehicle door, and the target vehicle door is forced to vibrate under the action of the periodic driving force, therefore, the formula of the driving force can be set as:
F＝F 0 cosω d t
wherein, F 0 Indicating the magnitude of the driving force, ω d The angular frequency of the driving force is represented and t represents the acting time of the driving force.
It should be noted that, when the target vehicle door is forced to vibrate under the action of the driving force, because the target vehicle door can generate elastic deformation in the vibration process, in order to recover the elastic deformation, corresponding elastic force can be generated, and because the target vehicle door is forced to vibrate, corresponding resistance can prevent the vibration of the target vehicle door, therefore, when the target vehicle door vibrates together with the door woofer, not only driving force acts on the target vehicle door, but also the effects of the elastic force and the resistance can be accompanied, wherein, the acting directions of the elastic force and the resistance are opposite to the driving force, therefore, according to newton's second motion law, namely, the acceleration of the object is in direct proportion to the resultant external force, the motion equation of the target vehicle door can be:
where m represents the mass of the target door, x represents the displacement of the target door, k represents the spring coefficient of the target door, and γ represents the damping coefficient.
For convenience of calculation, the following can be mentioned
The above formula can be transformed into:
when solving the above linear homogeneous differential equation, the damping can be ignored, i.e. the solution in case of small damping (γ = 0) is:
according to the formula: in the stage of starting action of the driving force, the vibration of the target vehicle door is relatively complex and can be regarded as the synthesis of two vibration processes, after a period of time, the first term vibration is weakened to be ignored, and the second term vibration is constant amplitude vibration, namely harmonic vibration, which is carried out when the forced vibration of the target vehicle door reaches a stable state. As shown in fig. 3, the target vehicle door reaches a steady state after a period of forced vibration.
And S220, determining a preset resonance frequency range of the target vehicle door based on the vibration displacement curve.
Generally, the vibration frequency corresponding to the highest point of the vibration displacement is determined by analyzing the vibration displacement curve of the target vehicle door, and the preset resonance frequency range of the target vehicle door is determined according to the vibration frequencies corresponding to the adjacent peak values on the left side and the right side of the highest point of the vibration displacement.
Optionally, determining a preset resonant frequency range of the target vehicle door based on the vibration displacement curve includes: determining a target displacement peak value based on the vibration displacement curve, and determining a first displacement peak value and a second displacement peak value which are adjacent to the left side and the right side of the target displacement peak value; and taking a frequency range between a first frequency corresponding to the first displacement peak value and a second frequency corresponding to the second displacement peak value as a preset resonance frequency range.
In this embodiment, the target displacement peak may be understood as a displacement corresponding to a highest point of the vibration displacement in the vibration displacement curve. The first peak displacement value may be a displacement corresponding to a point adjacent to the target peak displacement value where the left vibration displacement is relatively high. The second peak displacement value may be a displacement corresponding to a point adjacent to the peak target vibration displacement value and at which the right vibration displacement is relatively high.
In specific implementation, after a vibration displacement curve of the target vehicle door is obtained, a target displacement peak value of the target vehicle door in a vibration process is determined by analyzing the curve, further, a first displacement peak value and a second displacement peak value adjacent to the left side and the right side of the target vehicle door are determined according to the target displacement peak value, and a frequency range between a first frequency corresponding to the first displacement peak value and a second frequency corresponding to the second displacement peak value is used as a preset resonance frequency range.
And S230, when the current vibration frequency of the target vehicle door is detected to be in the preset resonance frequency range, starting a vibration component arranged on the target vehicle door.
And S240, determining a target vibration frequency based on the vibration frequency of the vibration component and the current vibration frequency so as to enable the target vehicle door to vibrate based on the target vibration frequency.
According to the technical scheme of the embodiment of the invention, firstly, sound in a target low-frequency range is played through a sound system arranged on a target vehicle door, a vibration displacement curve of the target vehicle door is determined, then, a preset resonance frequency range of the target vehicle door is determined based on the vibration displacement curve, further, when the current vibration frequency of the target vehicle door is detected to be in the preset resonance frequency range, a vibration component arranged on the target vehicle door is started, and finally, the target vibration frequency is determined based on the vibration frequency and the current vibration frequency of the vibration component, so that the target vehicle door vibrates based on the target vibration frequency, and the problems that in the prior art, a damping plate is filled in the vehicle door, the thickness of the vehicle door is increased, the integral heat dissipation of the vehicle door is influenced, and the performance of related peripheral components are solved; reduce output frequency, probably lead to the user when listening to the music that is in around the resonance frequency point, the volume size is suddenly high suddenly low, influence the audio system and give the problem of the audio impression that the user brought, realized through the new vibration of stack, change the vibration frequency of door, in order to avoid the resonance frequency area between target door and the woofer, thereby reach the effect of alleviating the door resonance condition, and, with the vibration frequency of follow-up superimposed vibrating component as far as possible control in lower frequency range, can also further reach on the basis of alleviating the resonance condition, the effect of saving vehicle energy consumption.
EXAMPLE III
Fig. 4 is a schematic structural diagram of a vehicle door vibration frequency adjustment device according to a third embodiment of the present invention. As shown in fig. 4, the apparatus includes: a vibration component activation module 310 and a target vibration frequency determination module 320.
The vibration component starting module 310 is configured to start a vibration component arranged on the target vehicle door when the current vibration frequency of the target vehicle door is detected to be within a preset resonance frequency range;
and a target vibration frequency determining module 320, configured to determine a target vibration frequency based on the vibration frequency of the vibration component and the current vibration frequency, so that the target vehicle door vibrates based on the target vibration frequency, where the target vibration frequency is a frequency smaller than or larger than a preset resonance frequency range.
According to the technical scheme of the embodiment of the invention, when the current vibration frequency of the target vehicle door is detected to be in the preset resonance frequency range, the vibration component arranged on the target vehicle door is started, and further, the target vibration frequency is determined based on the vibration frequency of the vibration component and the current vibration frequency, so that the target vehicle door vibrates based on the target vibration frequency, and the problems that in the prior art, the thickness of the vehicle door is increased, the overall heat dissipation of the vehicle door is influenced, and the performance of related peripheral components is possibly caused due to the fact that the damping plate is filled in the vehicle door are solved; reduce output frequency, probably lead to the user when listening to the music that is in around the resonance frequency point, the volume size is suddenly high suddenly low, influence the audio system and give the problem of the audio impression that the user brought, realized through the new vibration of stack, change the vibration frequency of door, in order to avoid the resonance frequency area between target door and the woofer, thereby reach the effect of alleviating the door resonance condition, and, with the vibration frequency of follow-up superimposed vibrating component as far as possible control in lower frequency range, can also further reach on the basis of alleviating the resonance condition, the effect of saving vehicle energy consumption.
Optionally, the vibration component starting module 310 is further configured to obtain a current vibration frequency of the target vehicle door through a vibration sensor disposed on the target vehicle door, and when it is detected that the current vibration frequency is within a preset resonance frequency range, generate a resonance signal and send the resonance signal to the target processor; based on the target processor and the resonance signal, a vibration member activation instruction is generated to activate the vibration member.
Optionally, the target vibration frequency determining module 320 includes a synchronous vibration function determining unit and a target vibration frequency determining unit.
A synchronous vibration function determination unit for synchronously vibrating the vibration member and the target vehicle door based on the vibration frequency and the current vibration frequency to determine a synchronous vibration function of the target vehicle door; and a target vibration frequency determination unit which determines a target vibration frequency based on the synchronous vibration function.
Optionally, the synchronous vibration function determining unit is further configured to perform superposition processing on the first vibration function corresponding to the vibration component and the second vibration function corresponding to the target vehicle door to obtain the synchronous vibration function.
Optionally, the apparatus further comprises: the device comprises a vibration displacement curve determining module and a preset resonance frequency range determining module.
The vibration displacement curve determining module is used for playing the sound in the target low-frequency range through a sound system arranged on the target vehicle door and determining the vibration displacement curve of the target vehicle door; and the preset resonance frequency range determining module is used for determining the preset resonance frequency range of the target vehicle door based on the vibration displacement curve.
Optionally, the preset resonance frequency range determining module is further configured to determine a target displacement peak value based on the vibration displacement curve, and determine a first displacement peak value and a second displacement peak value adjacent to the left and right sides of the target displacement peak value; and taking a frequency range between a first frequency corresponding to the first displacement peak value and a second frequency corresponding to the second displacement peak value as a preset resonance frequency range.
Optionally, the target vibration member comprises an exciter; the vibration frequency is less than the current vibration frequency.
The vehicle door vibration frequency adjusting device provided by the embodiment of the invention can execute the vehicle door vibration frequency adjusting method provided by any embodiment of the invention, and has corresponding functional modules and beneficial effects of the executing method.
Example four
FIG. 5 illustrates a block diagram of an electronic device 10 that may be used to implement an embodiment of the invention. Electronic devices are intended to represent various forms of digital computers, such as laptops, desktops, workstations, personal digital assistants, servers, blade servers, mainframes, and other appropriate computers. The electronic device may also represent various forms of mobile devices, such as personal digital assistants, cellular phones, smart phones, wearable devices (e.g., helmets, glasses, watches, etc.), and other similar computing devices. The components shown herein, their connections and relationships, and their functions, are meant to be exemplary only, and are not meant to limit implementations of the inventions described and/or claimed herein.
As shown in fig. 5, the electronic device 10 includes at least one processor 11, and a memory communicatively connected to the at least one processor 11, such as a Read Only Memory (ROM) 12, a Random Access Memory (RAM) 13, and the like, wherein the memory stores a computer program executable by the at least one processor, and the processor 11 may perform various suitable actions and processes according to the computer program stored in the Read Only Memory (ROM) 12 or the computer program loaded from the storage unit 18 into the Random Access Memory (RAM) 13. In the RAM 13, various programs and data necessary for the operation of the electronic apparatus 10 can also be stored. The processor 11, the ROM 12, and the RAM 13 are connected to each other via a bus 14. An input/output (I/O) interface 15 is also connected to the bus 14.
A number of components in the electronic device 10 are connected to the I/O interface 15, including: an input unit 16 such as a keyboard, a mouse, or the like; an output unit 17 such as various types of displays, speakers, and the like; a storage unit 18 such as a magnetic disk, optical disk, or the like; and a communication unit 19 such as a network card, modem, wireless communication transceiver, etc. The communication unit 19 allows the electronic device 10 to exchange information/data with other devices via a computer network such as the internet and/or various telecommunication networks.
The processor 11 may be a variety of general and/or special purpose processing components having processing and computing capabilities. Some examples of processor 11 include, but are not limited to, a Central Processing Unit (CPU), a Graphics Processing Unit (GPU), various dedicated Artificial Intelligence (AI) computing chips, various processors running machine learning model algorithms, a Digital Signal Processor (DSP), and any suitable processor, controller, microcontroller, and so forth. The processor 11 performs the various methods and processes described above, such as the door vibration frequency adjustment method.
In some embodiments, the door vibration frequency adjustment method may be implemented as a computer program tangibly embodied on a computer-readable storage medium, such as storage unit 18. In some embodiments, part or all of the computer program may be loaded and/or installed onto the electronic device 10 via the ROM 12 and/or the communication unit 19. When the computer program is loaded into RAM 13 and executed by processor 11, one or more steps of the door vibration frequency adjustment method described above may be performed. Alternatively, in other embodiments, the processor 11 may be configured to perform the door vibration frequency adjustment method in any other suitable manner (e.g., by way of firmware).
Various implementations of the systems and techniques described here above may be implemented in digital electronic circuitry, integrated circuitry, field Programmable Gate Arrays (FPGAs), application Specific Integrated Circuits (ASICs), application Specific Standard Products (ASSPs), system on a chip (SOCs), load programmable logic devices (CPLDs), computer hardware, firmware, software, and/or combinations thereof. These various embodiments may include: implemented in one or more computer programs that are executable and/or interpretable on a programmable system including at least one programmable processor, which may be special or general purpose, receiving data and instructions from, and transmitting data and instructions to, a storage system, at least one input device, and at least one output device.
Computer programs for implementing the methods of the present invention can be written in any combination of one or more programming languages. These computer programs may be provided to a processor of a general purpose computer, special purpose computer, or other programmable data processing apparatus, such that the computer programs, when executed by the processor, cause the functions/acts specified in the flowchart and/or block diagram block or blocks to be performed. A computer program can execute entirely on a machine, partly on a machine, as a stand-alone software package partly on a machine and partly on a remote machine or entirely on a remote machine or server.
In the context of the present invention, a computer-readable storage medium may be a tangible medium that can contain, or store a computer program for use by or in connection with an instruction execution system, apparatus, or device. A computer readable storage medium may include, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing. Alternatively, the computer readable storage medium may be a machine readable signal medium. More specific examples of a machine-readable storage medium would include an electrical connection based on 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 compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
To provide for interaction with a user, the systems and techniques described here can be implemented on an electronic device having: a display device (e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to a user; and a keyboard and a pointing device (e.g., a mouse or a trackball) by which a user can provide input to the electronic device. Other kinds of devices may also be used to provide for interaction with a user; for example, feedback provided to the user can be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the user can be received in any form, including acoustic, speech, or tactile input.
The systems and techniques described here can be implemented in a computing system that includes a back-end component (e.g., as a data server), or that includes a middleware component (e.g., an application server), or that includes a front-end component (e.g., a user computer having a graphical user interface or a web browser through which a user can interact with an implementation of the systems and techniques described here), or any combination of such back-end, middleware, or front-end components. The components of the system can be interconnected by any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include: local Area Networks (LANs), wide Area Networks (WANs), blockchain networks, and the internet.
The computing system may include clients and servers. A client and server are generally remote from each other and typically interact through a communication network. The relationship of client and server arises by virtue of computer programs running on the respective computers and having a client-server relationship to each other. The server can be a cloud server, also called a cloud computing server or a cloud host, and is a host product in a cloud computing service system, so that the defects of high management difficulty and weak service expansibility in the traditional physical host and VPS service are overcome.
It should be understood that various forms of the flows shown above, reordering, adding or deleting steps, may be used. For example, the steps described in the present invention may be executed in parallel, sequentially, or in different orders, and are not limited herein as long as the desired result of the technical solution of the present invention can be achieved.
The above-described embodiments should not be construed as limiting the scope of the invention. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions may be made in accordance with design requirements and other factors. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A vehicle door vibration frequency adjustment method, characterized by comprising:
when the current vibration frequency of the target vehicle door is detected to be within a preset resonance frequency range, starting a vibration component arranged on the target vehicle door;
and determining a target vibration frequency based on the vibration frequency of the vibration component and the current vibration frequency so as to enable the target vehicle door to vibrate based on the target vibration frequency, wherein the target vibration frequency is a frequency smaller than or larger than the preset resonance frequency range.
2. The method according to claim 1, wherein the vibrating member provided on the target vehicle door is activated when the current vibration frequency of the target vehicle door is detected to be within a preset resonance frequency range,
acquiring the current vibration frequency of the target vehicle door through a vibration sensor arranged on the target vehicle door, and generating a resonance signal and sending the resonance signal to a target processor when detecting that the current vibration frequency is within the preset resonance frequency range;
generating a vibrating component activation instruction to activate the vibrating component based on the target processor and the resonance signal.
3. The method of claim 1, wherein determining a target vibration frequency based on the vibration frequency of the vibrating component and the current vibration frequency comprises:
synchronously vibrating the vibration component and the target vehicle door based on the vibration frequency and the current vibration frequency to determine a synchronous vibration function of the target vehicle door;
determining the target vibration frequency based on the synchronous vibration function.
4. The method of claim 3, wherein the determining the synchronous vibration function of the target vehicle door comprises:
and superposing the first vibration function corresponding to the vibration component and the second vibration function corresponding to the target vehicle door to obtain the synchronous vibration function.
5. The method of claim 1, further comprising:
playing sound in a target low-frequency range through a sound system arranged on the target vehicle door, and determining a vibration displacement curve of the target vehicle door;
and determining a preset resonance frequency range of the target vehicle door based on the vibration displacement curve.
6. The method of claim 5, wherein said determining a preset resonant frequency range of said target vehicle door based on said vibration displacement curve comprises:
determining a target displacement peak value based on the vibration displacement curve, and determining a first displacement peak value and a second displacement peak value which are adjacent to the left side and the right side of the target displacement peak value;
and taking a frequency range between a first frequency corresponding to the first displacement peak value and a second frequency corresponding to the second displacement peak value as the preset resonance frequency range.
7. The method of claim 1, wherein the target vibratory member comprises an exciter; the vibration frequency is less than the current vibration frequency.
8. A vehicle door vibration frequency adjusting apparatus, comprising:
the vibration component starting module is used for starting a vibration component arranged on the target vehicle door when the current vibration frequency of the target vehicle door is detected to be within a preset resonance frequency range;
and the target vibration frequency determining module is used for determining a target vibration frequency based on the vibration frequency of the vibration component and the current vibration frequency so as to enable the target vehicle door to vibrate based on the target vibration frequency, wherein the target vibration frequency is a frequency smaller or larger than the preset resonance frequency range.
9. An electronic device, characterized in that the electronic device comprises:
at least one processor; and
a memory communicatively coupled to the at least one processor; wherein the content of the first and second substances,
the memory stores a computer program executable by the at least one processor, the computer program being executable by the at least one processor to enable the at least one processor to perform the vehicle door vibration frequency adjustment method as claimed in any one of claims 1 to 7.
10. A computer-readable storage medium, wherein the computer-readable storage medium stores computer instructions for causing a processor to implement the method for adjusting vehicle door vibration frequency as claimed in any one of claims 1 to 7 when executed.
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| CN202210772475.7A CN115175031A (en) | 2022-06-30 | 2022-06-30 | Vehicle door vibration frequency adjusting method and device, electronic equipment and storage medium |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210772475.7A CN115175031A (en) | 2022-06-30 | 2022-06-30 | Vehicle door vibration frequency adjusting method and device, electronic equipment and storage medium |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08292771A (en) * | 1995-04-20 | 1996-11-05 | Kenwood Corp | Active noise control device for vehicle |
| JP2013207689A (en) * | 2012-03-29 | 2013-10-07 | Pioneer Electronic Corp | Acoustic device, resonance sound attenuation method, resonance sound reduction program, and medium having resonance sound reduction program recorded therein |
| JP2019193211A (en) * | 2018-04-27 | 2019-10-31 | トヨタ紡織株式会社 | Sound control device |
| CN110476440A (en) * | 2017-03-30 | 2019-11-19 | 思睿逻辑国际半导体有限公司 | Device and method for monitor microphone |
| US20200132567A1 (en) * | 2018-10-30 | 2020-04-30 | Ford Global Technologies, Llc | Situ vibration-based verification of vehicle doors |
| CN113470632A (en) * | 2021-05-20 | 2021-10-01 | 江铃汽车股份有限公司 | Audio processing method and system for reducing resonance of door metal plate and loudspeaker |
-
2022
- 2022-06-30 CN CN202210772475.7A patent/CN115175031A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08292771A (en) * | 1995-04-20 | 1996-11-05 | Kenwood Corp | Active noise control device for vehicle |
| JP2013207689A (en) * | 2012-03-29 | 2013-10-07 | Pioneer Electronic Corp | Acoustic device, resonance sound attenuation method, resonance sound reduction program, and medium having resonance sound reduction program recorded therein |
| CN110476440A (en) * | 2017-03-30 | 2019-11-19 | 思睿逻辑国际半导体有限公司 | Device and method for monitor microphone |
| JP2019193211A (en) * | 2018-04-27 | 2019-10-31 | トヨタ紡織株式会社 | Sound control device |
| US20200132567A1 (en) * | 2018-10-30 | 2020-04-30 | Ford Global Technologies, Llc | Situ vibration-based verification of vehicle doors |
| CN113470632A (en) * | 2021-05-20 | 2021-10-01 | 江铃汽车股份有限公司 | Audio processing method and system for reducing resonance of door metal plate and loudspeaker |
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