CN112362747A - Sound insulation performance detection method, sound insulation performance detection equipment, storage medium and sound insulation performance detection device - Google Patents

Sound insulation performance detection method, sound insulation performance detection equipment, storage medium and sound insulation performance detection device Download PDF

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CN112362747A
CN112362747A CN202011213581.9A CN202011213581A CN112362747A CN 112362747 A CN112362747 A CN 112362747A CN 202011213581 A CN202011213581 A CN 202011213581A CN 112362747 A CN112362747 A CN 112362747A
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sound insulation
detection result
detected
insulation device
front wall
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CN112362747B (en
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田静
董良
刘秀芝
冯雷
苏世荣
温敏
怀自力
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Anhui Jianghuai Automobile Group Corp
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Anhui Jianghuai Automobile Group Corp
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G01N29/11—Analysing solids by measuring attenuation of acoustic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
    • G01B21/08—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness for measuring thickness
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M17/00—Testing of vehicles
    • G01M17/08—Railway vehicles

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  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
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Abstract

The invention discloses a sound insulation performance detection method, equipment, storage medium and device, compared with the existing mode that the inner front wall sound insulation pad and the front wall via hole are measured in a reverberation chamber and a sound insulation chamber in a part state, in the embodiment, when a sound insulation performance detection instruction is received, a first sound insulation device is determined according to the sound insulation performance detection instruction, the first sound insulation device is subjected to noise detection to obtain a first detection result, the first sound insulation device is sealed according to the first detection result to obtain a second sound insulation device, the second sound insulation device is subjected to noise detection to obtain a second detection result, the sound insulation performance detection result is generated according to the first detection result and the second detection result, the defect that the sound insulation performance of the mounting state of the inner front wall sound insulation pad and the front wall via hole on the whole vehicle in the prior art can not be fully tested is overcome, and the sound insulation performance detection process of the vehicle can be optimized, the method meets the requirement of complex detection tasks, and improves the accuracy and reliability of detection results.

Description

Sound insulation performance detection method, sound insulation performance detection equipment, storage medium and sound insulation performance detection device
Technical Field
The invention relates to the technical field of automobiles, in particular to a sound insulation performance detection method, sound insulation performance detection equipment, a storage medium and a sound insulation performance detection device.
Background
The power assembly noise is one of the most main noise sources of the automobile, and has great influence on the sound pressure level of noise in the automobile, the speech definition and the driving comfort.
At present, enclose the sound insulation performance test of giving sound insulation pad before interior, mainly measure at reverberation room, anechoic room with the spare part state, the disclosure of enclosing the via hole before by the handheld PU probe of testing personnel or the sound leakage appearance is revealed the sound of via hole and is tested.
However, the sound insulation performance of enclosing the sound insulation pad and enclosing the via hole with the spare part state before can only consider in above-mentioned test mode, and can not fully consider to the sound insulation performance of the mounted state on whole car, for example, enclose before and enclose before the panel beating sealing performance, enclose before in the thickness distribution, the coverage that the sound insulation pad encloses before and enclose before the hole is to enclose the influence of assembly sound insulation performance can't consider before enclosing.
The above is only for the purpose of assisting understanding of the technical aspects of the present invention, and does not represent an admission that the above is prior art.
Disclosure of Invention
The invention mainly aims to provide a sound insulation performance detection method, sound insulation performance detection equipment, a storage medium and a sound insulation performance detection device, and aims to solve the technical problem of how to optimize the sound insulation performance detection process.
In order to achieve the above object, the present invention provides a sound insulation performance detection method, including the steps of:
when a sound insulation performance detection instruction is received, determining a sound insulation device to be detected according to the sound insulation performance detection instruction;
obtaining front wall via hole information of the sound insulation device to be detected, and sealing the sound insulation device to be detected according to the front wall via hole information to obtain a first sound insulation device;
carrying out noise detection on the first sound insulation device to obtain a first detection result;
sealing the first sound insulation device according to the first detection result to obtain a second sound insulation device;
carrying out noise detection on the second sound insulation device to obtain a second detection result;
and generating a sound insulation performance detection result according to the first detection result and the second detection result.
Preferably, the step of generating a sound insulation performance test result according to the first test result and the second test result specifically includes:
determining a first sound insulation volume according to the first detection result, and determining a second sound insulation volume according to the second detection result;
determining a sound insulation volume difference according to the second sound insulation volume and the first sound insulation volume, and generating a sealant performance detection result according to the sound insulation volume difference;
acquiring the thickness of a sound insulation pad to be detected and the information of a metal plate exposed area of the sound insulation device to be detected;
sealing the sound insulation device to be detected according to the front wall via hole information, the metal plate exposed area information and the thickness of the sound insulation pad to be detected to obtain a third sound insulation device, and determining a sound insulation pad thickness detection result according to the third sound insulation device;
determining the mounting position of the sound insulation pad to be detected according to the information of the metal plate exposed area;
sealing the sound insulation device to be detected according to the front wall via hole information and the mounting position of the sound insulation pad to be detected to obtain a fourth sound insulation device, and determining a sound insulation pad covering detection result according to the fourth sound insulation device;
determining a front wall through hole to be detected according to the front wall through hole information;
sealing the to-be-detected sound insulation device according to the to-be-detected front wall through hole to obtain a fifth sound insulation device, and determining a through hole detection result according to the fifth sound insulation device;
and generating a sound insulation performance detection result according to the sealing glue performance detection result, the sound insulation pad thickness detection result, the sound insulation pad covering detection result and the via hole detection result.
Preferably, the step of sealing the to-be-detected sound-proof device according to the front wall via hole information, the metal plate exposed area information and the to-be-detected sound-proof pad thickness to obtain a third sound-proof device, and determining a sound-proof pad thickness detection result according to the third sound-proof device specifically includes:
traversing the thickness of the sound insulation pad to be detected, and taking the traversed thickness of the sound insulation pad to be detected as the current thickness of the sound insulation pad;
sealing the sound insulation device to be detected according to the front wall via hole information, the metal plate exposed area information and the current sound insulation pad thickness to obtain a third sound insulation device;
carrying out noise detection on the third sound insulation device to obtain a third detection result;
and determining the thickness detection result of the sound insulation pad according to the third detection result after traversing the thickness of the sound insulation pad to be detected.
Preferably, the step of sealing the sound-proof device to be detected according to the front wall via hole information and the mounting position of the sound-proof pad to be detected to obtain a fourth sound-proof device, and determining the detection result of covering the sound-proof pad according to the fourth sound-proof device specifically includes:
traversing the mounting position of the sound insulation pad to be detected to obtain the current mounting position of the sound insulation pad;
sealing the sound insulation device to be detected according to the front wall via hole information and the current sound insulation pad installation position to obtain a fourth sound insulation device;
performing noise detection on the fourth sound insulation device to obtain a fourth detection result;
and determining a covering detection result of the sound insulation pad according to the fourth detection result after traversing the installation position of the sound insulation pad to be detected.
Preferably, the step of sealing the to-be-detected sound-proof device according to the to-be-detected front wall through hole to obtain a fifth sound-proof device, and determining a through hole detection result according to the fifth sound-proof device specifically includes:
traversing the to-be-detected front wall via hole to obtain a current front wall via hole;
sealing the sound insulation device to be detected according to the current front wall through hole to obtain a fifth sound insulation device;
performing noise detection on the fifth sound insulation device to obtain a fifth detection result;
and determining a via hole detection result according to the fifth detection result after the traversal of the front wall via hole to be detected is finished.
Preferably, the step of generating a sound insulation performance test result according to the sealant performance test result, the sound insulation pad thickness test result, the sound insulation pad covering test result and the via hole test result specifically includes:
judging whether the sound insulation device to be detected meets a preset sound insulation condition or not according to the sound insulation performance detection result;
when the to-be-detected sound insulation device does not meet a preset sound insulation condition, searching a target sealing strategy corresponding to the sound insulation performance detection result;
and sealing the sound insulation device to be detected according to the target sealing strategy to obtain the target sound insulation device.
Preferably, the step of sealing the first sound-proof device according to the first detection result to obtain a second sound-proof device specifically includes:
determining a noise leakage area according to the first detection result, and determining a sealing strategy according to the noise leakage area;
and performing sealing glue treatment on the first sound insulation device according to the sealing strategy to obtain a second sound insulation device.
In addition, in order to achieve the above object, the present invention further provides a sound insulation performance detection apparatus, which includes a memory, a processor, and a sound insulation performance detection program stored in the memory and executable on the processor, wherein the sound insulation performance detection program is configured to implement the steps of the sound insulation performance detection method as described above.
In addition, in order to achieve the above object, the present invention further provides a storage medium having a sound insulation performance detection program stored thereon, wherein the sound insulation performance detection program, when executed by a processor, implements the steps of the sound insulation performance detection method as described above.
In addition, in order to achieve the above object, the present invention also provides a sound insulation performance detection apparatus, including: the device comprises a determining module, a sealing module, a detecting module and a generating module;
the determining module is used for determining the sound insulation device to be detected according to the sound insulation performance detection instruction when the sound insulation performance detection instruction is received;
the sealing module is used for acquiring the front wall via hole information of the sound insulation device to be detected, and sealing the sound insulation device to be detected according to the front wall via hole information to obtain a first sound insulation device;
the detection module is used for carrying out noise detection on the first sound insulation device to obtain a first detection result;
the sealing module is further used for sealing the first sound insulation device according to the first detection result to obtain a second sound insulation device;
the detection module is further configured to perform noise detection on the second sound insulation device to obtain a second detection result;
and the generating module is used for generating a sound insulation performance detection result according to the first detection result and the second detection result.
Compared with the existing mode that the inner and front wall sound insulation pad is used for measuring the sound leakage of the front wall through hole in the reverberation room and the anechoic room in the state of parts, and the sound leakage of the front wall through hole is tested by a tester holding a PU probe or a sound leakage instrument, in the embodiment, when a sound insulation performance test instruction is received, the sound insulation device to be tested is determined according to the sound insulation performance test instruction, the front wall through hole information of the sound insulation device to be tested is obtained, the sound insulation device to be tested is sealed according to the front wall through hole information, the first sound insulation device is obtained, the first sound insulation device is subjected to noise test to obtain a first test result, the first sound insulation device is sealed according to the first test result to obtain a second sound insulation device, the second sound insulation device is subjected to noise test to obtain a second test result, and a sound insulation performance test result is generated according to the first test result and the second test result, the defect that the sound insulation performance of the inner front wall sound insulation pad and the front wall through hole in the installation state of the whole vehicle cannot be fully tested in the prior art is overcome, so that the sound insulation performance detection process of the vehicle can be optimized, the complex detection task requirement is met, and the accuracy and the reliability of the detection result are improved.
Drawings
FIG. 1 is a schematic structural diagram of a sound insulation performance detection device of a hardware operating environment according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart of a first embodiment of the sound insulation performance testing method of the present invention;
FIG. 3 is a schematic flow chart of a sound insulation performance testing method according to a second embodiment of the present invention;
FIG. 4 is a schematic flow chart of a third embodiment of the sound insulation performance testing method of the present invention;
fig. 5 is a block diagram showing the structure of a first embodiment of the sound insulation performance testing apparatus according to the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a sound insulation performance detection apparatus in a hardware operating environment according to an embodiment of the present invention.
As shown in fig. 1, the sound insulation performance detection apparatus may include: a processor 1001, such as a Central Processing Unit (CPU), a communication bus 1002, a user interface 1003, a network interface 1004, and a memory 1005. Wherein a communication bus 1002 is used to enable connective communication between these components. The user interface 1003 may include a Display screen (Display), and the optional user interface 1003 may further include a standard wired interface and a wireless interface, and the wired interface for the user interface 1003 may be a USB interface in the present invention. The network interface 1004 may optionally include a standard wired interface, a WIreless interface (e.g., a WIreless-FIdelity (WI-FI) interface). The Memory 1005 may be a Random Access Memory (RAM) Memory or a Non-volatile Memory (NVM), such as a disk Memory. The memory 1005 may alternatively be a storage device separate from the processor 1001.
It will be appreciated by those skilled in the art that the configuration shown in fig. 1 does not constitute a limitation of the sound insulation performance testing apparatus and may include more or fewer components than shown, or some components in combination, or a different arrangement of components.
As shown in fig. 1, a memory 1005, identified as a computer storage medium, may include an operating system, a network communication module, a user interface module, and a sound insulation performance detection program.
In the sound insulation performance detection device shown in fig. 1, the network interface 1004 is mainly used for connecting a background server and performing data communication with the background server; the user interface 1003 is mainly used for connecting user equipment; the sound insulation performance detection device calls a sound insulation performance detection program stored in a memory 1005 through a processor 1001, and executes the sound insulation performance detection method provided by the embodiment of the invention.
Based on the hardware structure, the embodiment of the sound insulation performance detection method is provided.
Referring to fig. 2, fig. 2 is a schematic flow chart of a first embodiment of the sound insulation performance detection method of the present invention, and the first embodiment of the sound insulation performance detection method of the present invention is provided.
Step S10: and when a sound insulation performance detection instruction is received, determining the sound insulation device to be detected according to the sound insulation performance detection instruction.
It should be understood that the main implementation body of the present embodiment is the sound insulation performance detection device, where the sound insulation performance detection device may be an electronic device such as a computer and a server, or may also be another device that can achieve the same or similar functions.
It should be noted that the sound insulation detection instruction may be a control instruction input by a user through a user interface of the sound insulation performance detection device, or may be a control instruction input by a user through a terminal device that establishes a communication connection with the sound insulation performance detection device in advance, where the communication connection may be a wireless communication connection, for example, 5G, WIFI, and the present embodiment is not limited to this.
It can be understood that, determining the to-be-detected sound-insulating device according to the sound-insulating performance detection instruction may be to perform identification extraction on the sound-insulating performance detection instruction to obtain identification information, and determining the to-be-detected sound-insulating device according to the identification information, where the identification information may be identification information used to identify an identity of the to-be-detected sound-insulating device, which is not limited in this embodiment.
In concrete realization, for example, wait to detect that sound insulation spare can be predetermine before enclosing panel beating sample spare, wherein, predetermine before enclosing panel beating sample spare can be that the frock that the user set up in advance encloses panel beating sample spare before.
Step S20: and acquiring the front wall via hole information of the to-be-detected sound insulation device, and sealing the to-be-detected sound insulation device according to the front wall via hole information to obtain a first sound insulation device.
It should be noted that a plurality of through holes, for example, a wire harness hole, a steering hole, a brake hole, an air conditioning hole, and the like, are installed on the inner front wall of the front wall metal plate, and the front wall through hole information may be position information, type information, and the like of the front wall through hole, which is not limited in this embodiment.
It should be understood that, the sound insulation device to be detected is sealed according to the front wall via hole information, the obtained first sound insulation device can extract the front wall via hole information, the front wall via hole position information is obtained, and the sound insulation device to be detected is sealed according to the preset via hole sealing strategy and the front wall via hole position information, so that the first sound insulation device is obtained, wherein the preset via hole sealing strategy can be a front wall via hole sealing strategy preset by a user.
In a specific implementation, the preset via hole sealing strategy can be that a 2mm metal plate is adopted to seal and plug the via hole on the front wall.
Step S30: and carrying out noise detection on the first sound insulation device to obtain a first detection result.
It can be understood that, the noise detection is performed on the first sound insulation device, and the obtaining of the first detection result may be to install the first sound insulation device to a preset test environment, and perform a test to obtain the first test result, where the preset test environment may be a test environment preset by a user, and this embodiment is not limited thereto.
In concrete realization, for example, with before that the frock is good enclose the panel beating sample spare inlay to the sound insulation test acoustic window on, adopt 2 mm's panel beating to enclose the via hole on before sealing up and sealed. One side of the sound window is a reverberation chamber, the other side of the sound window is a full-anechoic test chamber, a medium-high frequency volume sound source is placed in the reverberation chamber, the noise transmitted by the front wall metal plate sample piece is scanned through a PU probe in the full-anechoic test chamber, data are processed, and a first detection result is obtained, wherein the first detection result can comprise the original state sound insulation TL of the front wall metal plateSheet metal element。
Step S40: and sealing the first sound insulation device according to the first detection result to obtain a second sound insulation device.
It can be understood that, the sealing of the first sound-proof device according to the first detection result and the obtaining of the second sound-proof device may be directly determining a sealing strategy according to the first detection result and sealing the first sound-proof device according to the sealing strategy to obtain the second sound-proof device.
Further, in practical applications, if the first sound insulation device is directly sealed according to the first detection result, the number of objects involved in the detection process is inevitably excessive, and the calculation amount is also inevitably excessive. To overcome this drawback, step S40 includes:
determining a noise leakage area according to the first detection result, and determining a sealing strategy according to the noise leakage area;
and performing sealing glue treatment on the first sound insulation device according to the sealing strategy to obtain a second sound insulation device.
It should be understood that determining the sealing strategy according to the noise leakage area may be determining the sealant area information and the sealant information according to the noise leakage area, and determining the sealing strategy according to the sealant area information and the sealant information.
In a specific implementation, for example, a leakage region at the lap joint of the front wall sheet metal part is detected by an ultrasonic leak detector.
It can be understood that the first sound-insulating device is subjected to the sealing process according to the sealing strategy, and the second sound-insulating device is obtained by performing the sealing process on the first sound-insulating device according to the sealing area information and the sealing glue information.
Step S50: and carrying out noise detection on the second sound insulation device to obtain a second detection result.
It can be understood that, carry out noise detection to second sound insulation device, obtain the second testing result and can scan preceding panel beating sample spare through the PU probe, obtain the second testing result, wherein, the second testing result can include the preceding panel beating sound insulation volume TL of enclosing after the sealedSheet metal seal。
Step S60: and generating a sound insulation performance detection result according to the first detection result and the second detection result.
It is understood that the first detection result is compared with the second detection result to obtain a comparison result, and a sound insulation performance detection result is generated according to the comparison result.
Further, in order to ensure the accuracy and reliability of the detection result of the sealant performance, the step S60 includes:
determining a first sound insulation volume according to the first detection result, and determining a second sound insulation volume according to the second detection result;
determining a sound insulation volume difference according to the second sound insulation volume and the first sound insulation volume, and generating a sealant performance detection result according to the sound insulation volume difference;
acquiring the thickness of a sound insulation pad to be detected and the information of a metal plate exposed area of the sound insulation device to be detected;
sealing the sound insulation device to be detected according to the front wall via hole information, the metal plate exposed area information and the thickness of the sound insulation pad to be detected to obtain a third sound insulation device, and determining a sound insulation pad thickness detection result according to the third sound insulation device;
determining the mounting position of the sound insulation pad to be detected according to the information of the metal plate exposed area;
sealing the sound insulation device to be detected according to the front wall via hole information and the mounting position of the sound insulation pad to be detected to obtain a fourth sound insulation device, and determining a sound insulation pad covering detection result according to the fourth sound insulation device;
determining a front wall through hole to be detected according to the front wall through hole information;
sealing the to-be-detected sound insulation device according to the to-be-detected front wall through hole to obtain a fifth sound insulation device, and determining a through hole detection result according to the fifth sound insulation device;
and generating a sound insulation performance detection result according to the sealing glue performance detection result, the sound insulation pad thickness detection result, the sound insulation pad covering detection result and the via hole detection result.
It can be understood that determining the first sound insulation volume according to the first detection result and determining the second sound insulation volume according to the second detection result may be extracting information from the first detection result to obtain the first sound insulation volume TLSheet metal elementAnd for the second detection resultExtracting the line information to obtain a second sound insulation volume TLSheet metal seal。
It can be understood that the second sound insulation volume TL can be used as the sound insulation volume difference, the first sound insulation volume difference is used as the sound insulation volume difference, and the sealant performance detection result is generated according to the sound insulation volume differenceSheet metal sealMinus a first sound insulation volume TLSheet metal elementThe sound insulation amount difference Δ TL is obtained, and it is determined whether the sound insulation amount difference Δ TL is smaller than a preset first threshold, where the preset first threshold may be a numerical value preset by a user, and the example in this embodiment is described with 1dB as an example.
It should be understood that when the sound insulation volume difference Δ TL is smaller than a preset threshold, the sealant performance is up to the standard, and optimization is not required; when the sound insulation volume difference delta TL is larger than or equal to a preset threshold value, the performance of the sealant does not reach the standard, and the front wall metal plate sealant needs to be optimized.
Compared with the existing mode that the inner and front wall sound insulation pad is used for measuring the sound leakage of the front wall through hole in the reverberation room and the anechoic room in the state of parts, and the sound leakage of the front wall through hole is tested by a tester holding a PU probe or a sound leakage instrument, in the embodiment, when a sound insulation performance test instruction is received, the sound insulation device to be tested is determined according to the sound insulation performance test instruction, the front wall through hole information of the sound insulation device to be tested is obtained, the sound insulation device to be tested is sealed according to the front wall through hole information, the first sound insulation device is obtained, the first sound insulation device is subjected to noise test to obtain a first test result, the first sound insulation device is sealed according to the first test result to obtain a second sound insulation device, the second sound insulation device is subjected to noise test to obtain a second test result, and a sound insulation performance test result is generated according to the first test result and the second test result, the defect that the sound insulation performance of the inner front wall sound insulation pad and the front wall through hole in the installation state of the whole vehicle cannot be fully tested in the prior art is overcome, so that the sound insulation performance detection process of the vehicle can be optimized, the complex detection task requirement is met, and the accuracy and the reliability of the detection result are improved.
Referring to fig. 3, fig. 3 is a schematic flow chart of a second embodiment of the sound insulation performance detection method according to the present invention, and the second embodiment of the sound insulation performance detection method according to the present invention is proposed based on the first embodiment shown in fig. 2.
In the second embodiment, the step S60 includes:
step S601: and determining a first sound insulation volume according to the first detection result, and determining a second sound insulation volume according to the second detection result.
It can be understood that determining the first sound insulation volume according to the first detection result and determining the second sound insulation volume according to the second detection result may be extracting information from the first detection result to obtain the first sound insulation volume TLSheet metal elementExtracting information of the second detection result to obtain a second sound insulation volume TLSheet metal seal。
Step S602: and determining a sound insulation volume difference according to the second sound insulation volume and the first sound insulation volume, and generating a sealant performance detection result according to the sound insulation volume difference.
It can be understood that the second sound insulation volume TL can be used as the sound insulation volume difference, the first sound insulation volume difference is used as the sound insulation volume difference, and the sealant performance detection result is generated according to the sound insulation volume differenceSheet metal sealMinus a first sound insulation volume TLSheet metal elementThe sound insulation amount difference Δ TL is obtained, and it is determined whether the sound insulation amount difference Δ TL is smaller than a preset first threshold, where the preset first threshold may be a numerical value preset by a user, and the example in this embodiment is described with 1dB as an example.
It should be understood that when the sound insulation volume difference Δ TL is smaller than a preset threshold, the sealant performance is up to the standard, and optimization is not required; when the sound insulation volume difference delta TL is larger than or equal to a preset threshold value, the performance of the sealant does not reach the standard, and the front wall metal plate sealant needs to be optimized.
Step S603: and acquiring the thickness of the sound insulation pad to be detected and the information of the metal plate exposed area of the sound insulation device to be detected.
It should be noted that the thickness of the acoustic isolation pad to be detected may be a preset acoustic isolation pad thickness set by a user, and this embodiment is not limited thereto.
Further, consider that in the actual conditions, the circumstances that exist enclose before cover, enclose thickness distribution before, via hole sound insulation and the peripheral panel beating of via hole have satisfied the sound insulation performance requirement. In order to avoid unnecessary detection step, before obtaining to detect and treat the panel beating naked regional information that gives sound insulation and fill up thickness and treat the sound insulation device, still include:
enclose before will in give sound insulation and fill up, footboard, shift wire drawing, air conditioner pipeline, pencil rubber spare etc. install before enclose the panel beating on, enclose the sound insulation performance of assembly before measuring, enclose assembly transmission loss TL beforeFront wall assemblySound insulation TL from original state of front wall metal plateSheet metal elementSubtracting, i.e. the insertion loss IL of the acoustic package assembly, and subtracting the insertion loss IL of the acoustic package assembly from the insertion loss IL of the 20mm thick inner front surrounding flat plate member20mm front wallObtaining the front wall insertion loss difference DeltaILFront wallJudging the front wall insertion loss difference DeltaILFront wallWhether it is greater than a preset second threshold, wherein the preset second threshold may be a value preset by a user, for example, 2 dB.
It will be appreciated that the insertion loss difference Δ IL is in the front peripheryFront wallWhen the thickness of the sound insulation pad to be detected and the information of the metal plate exposed area of the sound insulation device to be detected are larger than a preset second threshold value, the step of obtaining the thickness of the sound insulation pad to be detected and the information of the metal plate exposed area of the sound insulation device to be detected is executed; insertion loss difference Δ IL in frontFront wallAnd when the threshold value is less than or equal to the preset second threshold value, ending the detection.
Step S604: sealing the sound insulation device to be detected according to the front wall via hole information, the metal plate exposed area information and the thickness of the sound insulation pad to be detected to obtain a third sound insulation device, and determining a sound insulation pad thickness detection result according to the third sound insulation device.
It should be understood that the sound insulation device to be detected is sealed according to the front wall via hole information, the sheet metal exposed area information and the thickness of the sound insulation pad to be detected to obtain a third sound insulation device, the thickness detection result of the sound insulation pad to be detected can be determined according to the third sound insulation device, the traversed thickness of the sound insulation pad to be detected is used as the current thickness of the sound insulation pad, the sound insulation device to be detected is sealed according to the front wall via hole information, the sheet metal exposed area information and the current thickness of the sound insulation pad to obtain the third sound insulation device, the third sound insulation device is subjected to noise detection to obtain a third detection result, and after the traversal of the thickness of the sound insulation pad to be detected is finished, the thickness detection result of the sound insulation pad is determined according to the third detection result.
It should be understood that, traversing the thickness of the sound insulation pad to be detected, taking the traversed thickness of the sound insulation pad to be detected as the current thickness of the sound insulation pad may be selecting the thickness of the sound insulation pad to be detected one by one according to a preset sequence, and taking the obtained thickness of the sound insulation pad to be detected as the current thickness of the sound insulation pad, where the preset sequence may be a selection sequence preset by a user, and this embodiment is not limited thereto.
It can be understood that, treat to detect the sound insulation device according to preceding enclose via hole information, panel beating exposed area information and current sound insulation pad thickness and seal, obtain third sound insulation device and can be only enclose the sound insulation pad before the interior of installing preceding sound insulation pad thickness on preceding panel beating to enclose each via hole and adopt the equal thick equal material shutoff to preceding, and cover sealed to having the exposed area of panel beating, finally make the sound field only by preceding infiltration of enclosing the coverage area before interior.
It should be understood that the sound field penetrates only from the inner cowl covering area to evaluate the sound insulating performance of the inner cowl sound insulating mat formed part to obtain the insertion loss IL of the sound insulating matSound insulation padInsertion loss IL of a 20mm thick inner cowl panel20mm front wallSubtracting insertion loss IL of acoustic insulator matSound insulation padObtaining the insertion loss difference Delta TL of the sound insulation padSound insulation padAnd determining Δ TLSound insulation padWhether the third threshold is less than a preset third threshold, wherein the preset third threshold may be a value preset by a user, for example, 2 dB.
It should be understood that the insertion loss difference Δ TL between the acoustic insulator matSound insulation padWhen the thickness of the sound insulation pad is smaller than a preset third threshold value, the third detection result is that the thickness of the sound insulation pad does not need to be optimized; insertion loss difference Δ IL in frontFront wallAnd when the third threshold value is greater than or equal to the preset third threshold value, the third detection result indicates that the thickness of the sound insulation pad needs to be optimized.
It can be understood that after the traversal of the thickness of the sound insulation pad to be detected is finished, the detection of the thickness of the sound insulation pad to be detected is explained. Therefore, the detection result of the thickness of the acoustic insulating mat can be determined directly from the third detection result.
Step S605: and determining the mounting position of the sound insulation pad to be detected according to the information of the metal plate exposed area.
It can be understood that the determination of the mounting position of the sound insulation pad to be detected according to the information of the exposed area of the metal plate can be to perform information screening on the information of the exposed area of the metal plate to obtain the mounting position of the sound insulation pad to be detected.
Step S606: sealing the sound insulation device to be detected according to the front wall via hole information and the mounting position of the sound insulation pad to be detected to obtain a fourth sound insulation device, and determining a detection result of covering the sound insulation pad according to the fourth sound insulation device.
It should be understood that, the sound insulation pad to be detected is sealed according to the front wall via hole information and the sound insulation pad installation position to be detected to obtain a fourth sound insulation device, and the sound insulation pad coverage detection result is determined according to the fourth sound insulation device, which may be that the sound insulation pad installation position to be detected is traversed to obtain the current sound insulation pad installation position, the sound insulation device to be detected is sealed according to the front wall via hole information and the current sound insulation pad installation position to obtain the fourth sound insulation device, the fourth sound insulation device is subjected to noise detection to obtain a fourth detection result, and after the traversal of the sound insulation pad installation position to be detected is finished, the sound insulation pad coverage detection result is determined according to the fourth detection result.
It should be understood that, traversing the installation position of the sound insulation pad to be detected to obtain the current installation position of the sound insulation pad may be selecting the installation positions of the sound insulation pad to be detected one by one according to a preset sequence, and selecting the obtained installation position of the sound insulation pad to be detected as the current installation position of the sound insulation pad, where the preset sequence may be a selection sequence preset by a user, and this embodiment is not limited thereto.
It can be understood that, it is right to enclose via hole information and current sound insulating pad mounted position according to before waiting to detect the sound insulating device and seal, obtains fourth sound insulating device and can wrap up some sheet metal components according to enclosing via hole information and current sound insulating pad mounted position before to make remaining part sheet metal components expose, thereby aassessment sheet metal components exposes regional influence of enclosing sound insulating pad sound insulation performance before inside.
It can be understood that the fourth sound insulation device is subjected to noise detection, the fourth detection result can be obtained by cutting off the sound insulation pad on the inner front wall in a large area, a large sheet metal part is exposed, and the exposed insertion loss IL of the sheet metal part is obtained for evaluating the influence of the sound insulation performance of the inner front wall sound insulation pad on the regionMetal plate bareInsertion loss IL of soundproof matSound insulation padSubtracting the bare insertion loss IL of the sheet metal partMetal plate bareObtaining the sheet metal part exposed insertion loss difference delta TLMetal plate bareAnd determining Δ TLMetal plate bareAnd whether the second threshold is less than a preset fourth threshold, wherein the preset third threshold may be a value preset by a user, for example, 1 dB.
It should be understood that the insertion loss difference Δ TL between the acoustic insulator matMetal plate bareWhen the detection result is smaller than a preset fourth threshold value, the fourth detection result indicates that the sheet metal part is exposed and does not need to be optimized; insertion loss difference Δ TL in frontMetal plate bareAnd when the fourth threshold value is greater than or equal to the preset fourth threshold value, the fourth detection result is that the sheet metal part is exposed and needs to be optimized.
It can be understood that after the traversal of the installation position of the sound insulation pad to be detected is finished, the detection of the installation position of the sound insulation pad to be detected is explained. Therefore, the detection result of the covering of the acoustic insulating mat can be determined directly from the fourth detection result.
Step S607: and determining the front wall through hole to be detected according to the front wall through hole information.
It can be understood that determining to detect the front wall via hole according to the front wall via hole information can be to perform information screening on the front wall via hole information to obtain the front wall via hole to be detected.
Step S608: and sealing the to-be-detected sound insulation device according to the to-be-detected front wall through hole to obtain a fifth sound insulation device, and determining a through hole detection result according to the fifth sound insulation device.
It should be understood that, the acoustic device to be detected is sealed according to the to-be-detected front wall via hole to obtain a fifth acoustic device, and it is determined according to the fifth acoustic device that the via hole detection result may be that the to-be-detected front wall via hole is traversed to obtain a current front wall via hole, the acoustic device to be detected is sealed according to the current front wall via hole to obtain a fifth acoustic device, the fifth acoustic device is subjected to noise detection to obtain a fifth detection result, and after the traversal of the to-be-detected front wall via hole is completed, the via hole detection result is determined according to the fifth detection result.
It should be understood that, traversing the to-be-detected front wall via hole, taking the traversed to-be-detected front wall via hole as the current front wall via hole may be to select the to-be-detected front wall via hole one by one according to a preset sequence, and taking the obtained to-be-detected front wall via hole as the current front wall via hole, where the preset sequence may be a selection sequence preset by a user, and this embodiment is not limited thereto.
It can be understood that, install a plurality of via holes before interior on enclosing, including pencil hole, steering hole, braking hole, air conditioner hole etc. the influence that the via hole encloses the sound insulation performance of assembly before to the front mainly comes from two aspects, one is via hole self sound insulation performance, and another is the panel beating that forms between the via hole installation back and the preceding trompil of enclosing exposes, through testing under installing each via hole to its influence level to enclosing the sound insulation performance before to the evaluation.
In specific implementation, for example, the shifting stay wire through hole can be formed by additionally installing a shifting stay wire original element on the premise of covering a metal plate exposed area and completely sealing other through holes, and considering that the metal plate at the shifting stay wire is exposed, plugging the metal plate exposed part with oil sludge, and respectively comparing the insertion loss change conditions of the front and rear inner walls before and after the exposed position is processed;
the wire harness through hole can be additionally provided with a left lower wire harness on the premise of covering the metal plate exposed area and completely sealing other through holes. And (4) considering that the metal plate at the periphery of the via hole is exposed, plugging the exposed part of the metal plate by using oil sludge, and respectively comparing the insertion loss change conditions of the front and inner walls before and after the exposed position is processed.
It should be understood that the noise detection of the fifth noise insulation device and the obtaining of the fifth detection result may be the noise detection of the fifth noise insulation device and the obtaining of the insertion loss IL of the via installationVia mountingInsertion loss IL of soundproof matSound insulation padInsertion loss IL minus Via installationVia mountingObtaining a via hole mounting insertion loss difference DeltaTLVia mountingAnd determining a via hole mounting insertion loss difference DeltaTLVia mountingWhether the value is less than a preset fifth threshold, wherein the preset fifth threshold may be a value preset by a user, for example, 1 dB.
It can be appreciated that the insertion loss difference Δ TL is installed at the via holeVia mountingWhen the second detection result is smaller than a preset second threshold value, the second detection result is that the mounting of the via hole is not required to be optimized; insertion loss difference Δ TL at via installationVia mountingAnd when the second detection result is greater than or equal to the preset second threshold value, the second detection result indicates that the mounting of the via hole needs to be optimized.
It should be understood that the insertion loss difference Δ TL is installed at the viaVia mountingWhen the value is larger than or equal to a preset fifth threshold value, the exposed metal plate at the periphery of the via hole is plugged, and the via hole plugging insertion loss IL is obtainedVia hole pluggingAnd inserting the soundproof pad with loss ILSound insulation padSubtract via plugging insertion loss ILVia hole pluggingObtaining the difference delta TL of plugging insertion loss of the via holeVia hole pluggingJudging the difference delta TL between the plugging insertion loss of the via hole and the insertion lossVia hole pluggingAnd whether the preset sixth threshold is less than the preset sixth threshold, wherein the preset sixth threshold may be a numerical value preset by a user, for example, 1 dB.
It can be understood that the insertion loss difference Δ TL during via pluggingVia hole pluggingWhen the sound insulation performance is smaller than a preset sixth threshold value, optimizing the sound insulation performance of the exposed metal plate at the periphery of the via hole; insertion loss difference Delta TL in via hole pluggingVia hole pluggingAnd when the sound insulation performance of the via hole is larger than or equal to the preset sixth threshold value, optimizing the sound insulation performance of the via hole.
It can be understood that after traversal of the front wall via hole to be detected is finished, it is described that the front wall via hole to be detected is detected. Therefore, the front wall via hole detection result can be directly determined according to the third detection result.
Step S609: and generating a sound insulation performance detection result according to the sealing glue performance detection result, the sound insulation pad thickness detection result, the sound insulation pad covering detection result and the via hole detection result.
It can be understood that according to the sealing glue performance detection result, the sound insulation pad thickness detection result, the sound insulation pad covering detection result and the via hole detection result generating sound insulation performance detection result, the sealing glue performance detection result, the sound insulation pad thickness detection result, the sound insulation pad covering detection result and the via hole detection result can be aggregated to obtain the sound insulation performance detection result.
In a second embodiment, a first sound insulation volume is determined according to the first detection result, a second sound insulation volume is determined according to the second detection result, a sound insulation volume difference is determined according to the second sound insulation volume and the first sound insulation volume, a sealant performance detection result is generated according to the sound insulation volume difference, the thickness of a sound insulation pad to be detected and the sheet metal exposed area information of the sound insulation device to be detected are obtained, the sound insulation device to be detected is sealed according to the front wall exposed area information, the sheet metal exposed area information and the thickness of the sound insulation pad to be detected, a third sound insulation device is obtained, a sound insulation pad thickness detection result is determined according to the third sound insulation device, the installation position of the sound insulation pad to be detected is determined according to the sheet metal exposed area information, and the sound insulation device to be detected is sealed according to the front wall exposed area information and the installation position of the sound insulation pad to be detected, the method comprises the steps of obtaining a fourth sound insulation device, determining a sound insulation pad covering detection result according to the fourth sound insulation device, determining a to-be-detected front wall through hole according to front wall through hole information, sealing the to-be-detected sound insulation device according to the to-be-detected front wall through hole to obtain a fifth sound insulation device, determining a through hole detection result according to the fifth sound insulation device, and generating a sound insulation performance detection result according to the sealant performance detection result, the sound insulation pad thickness detection result, the sound insulation pad covering detection result and the through hole detection result, so that a reliable sound insulation performance detection result can be generated quickly and accurately.
Referring to fig. 4, fig. 4 is a schematic flow chart of a third embodiment of the sound insulation performance detection method of the present invention, and the third embodiment of the sound insulation performance detection method of the present invention is proposed based on the second embodiment shown in fig. 3.
In the third embodiment, after the step S60, the method further includes:
step S70: and judging whether the sound insulation device to be detected meets a preset sound insulation condition or not according to the sound insulation performance detection result.
It should be understood that, the step of judging whether the to-be-detected sound insulation device meets the preset sound insulation condition according to the sound insulation performance detection result may be to match the sound insulation performance detection result with the preset sound insulation condition to obtain a matching result, and the step of judging whether the to-be-detected sound insulation device meets the preset sound insulation condition according to the matching result.
Step S80: and when the to-be-detected sound insulation device does not meet the preset sound insulation condition, searching a target sealing strategy corresponding to the sound insulation performance detection result.
It should be noted that the target sealing strategy for finding the sound insulation performance detection result may be a target sealing strategy for finding the sound insulation performance detection result in a preset mapping relation table, where the preset mapping relation table includes a corresponding relation between the sound insulation performance detection result and the target sealing strategy, and the corresponding relation between the sound insulation performance detection result and the target sealing strategy may be preset by a user, which is not limited in this embodiment.
Step S90: and sealing the sound insulation device to be detected according to the target sealing strategy to obtain the target sound insulation device.
In a third embodiment, whether the to-be-detected sound-insulating device meets a preset sound-insulating condition is judged according to the sound-insulating performance detection result, when the to-be-detected sound-insulating device does not meet the preset sound-insulating condition, a target sealing strategy corresponding to the sound-insulating performance detection result is searched, the to-be-detected sound-insulating device is sealed according to the target sealing strategy, and therefore the sound-insulating performance of the front wall assembly can be improved through the target sound-insulating device.
In addition, an embodiment of the present invention further provides a storage medium, where a sound insulation performance detection program is stored on the storage medium, and when the sound insulation performance detection program is executed by a processor, the sound insulation performance detection method as described above is implemented.
In addition, referring to fig. 5, an embodiment of the present invention further provides a sound insulation performance detection apparatus, including: the device comprises a determining module 10, a sealing module 20, a detecting module 30 and a generating module 40;
the determining module 10 is configured to determine, when receiving a sound insulation performance detection instruction, a sound insulation device to be detected according to the sound insulation performance detection instruction.
The sealing module 20 is configured to acquire front wall via hole information of the to-be-detected sound-proof device, and seal the to-be-detected sound-proof device according to the front wall via hole information to acquire a first sound-proof device.
The detection module 30 is configured to perform noise detection on the first sound insulation device to obtain a first detection result.
The sealing module 20 is further configured to seal the first sound-insulating device according to the first detection result to obtain a second sound-insulating device.
The detection module 30 is further configured to perform noise detection on the second sound insulation device to obtain a second detection result.
It can be understood that, carry out noise detection to second sound insulation device, obtain the second testing result and can scan preceding panel beating sample spare through the PU probe, obtain the second testing result, wherein, the second testing result can include the preceding panel beating sound insulation volume TL of enclosing after the sealedSheet metal seal。
The generating module 40 is configured to generate a sound insulation performance detection result according to the first detection result and the second detection result.
Compared with the existing mode that the inner and front wall sound insulation pad is used for measuring the sound leakage of the front wall through hole in the reverberation room and the anechoic room in the state of parts, and the sound leakage of the front wall through hole is tested by a tester holding a PU probe or a sound leakage instrument, in the embodiment, when a sound insulation performance test instruction is received, the sound insulation device to be tested is determined according to the sound insulation performance test instruction, the front wall through hole information of the sound insulation device to be tested is obtained, the sound insulation device to be tested is sealed according to the front wall through hole information, the first sound insulation device is obtained, the first sound insulation device is subjected to noise test to obtain a first test result, the first sound insulation device is sealed according to the first test result to obtain a second sound insulation device, the second sound insulation device is subjected to noise test to obtain a second test result, and a sound insulation performance test result is generated according to the first test result and the second test result, the defect that the sound insulation performance of the inner front wall sound insulation pad and the front wall through hole in the installation state of the whole vehicle cannot be fully tested in the prior art is overcome, so that the sound insulation performance detection process of the vehicle can be optimized, the complex detection task requirement is met, and the accuracy and the reliability of the detection result are improved.
Other embodiments or specific implementation manners of the sound insulation performance detection device of the present invention may refer to the above method embodiments, and are not described herein again.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The use of the words first, second, third, etc. do not denote any order, but rather the words first, second, third, etc. are to be interpreted as names.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention or portions thereof that contribute to the prior art may be embodied in the form of a software product, where the computer software product is stored in a storage medium (e.g., a Read Only Memory (ROM)/Random Access Memory (RAM), a magnetic disk, an optical disk), and includes several instructions for enabling a terminal device (e.g., a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. A sound insulation performance detection method is characterized by comprising the following steps:
when a sound insulation performance detection instruction is received, determining a sound insulation device to be detected according to the sound insulation performance detection instruction;
obtaining front wall via hole information of the sound insulation device to be detected, and sealing the sound insulation device to be detected according to the front wall via hole information to obtain a first sound insulation device;
carrying out noise detection on the first sound insulation device to obtain a first detection result;
sealing the first sound insulation device according to the first detection result to obtain a second sound insulation device;
carrying out noise detection on the second sound insulation device to obtain a second detection result;
and generating a sound insulation performance detection result according to the first detection result and the second detection result.
2. The sound insulation performance test method according to claim 1, wherein the step of generating a sound insulation performance test result according to the first test result and the second test result specifically comprises:
determining a first sound insulation volume according to the first detection result, and determining a second sound insulation volume according to the second detection result;
determining a sound insulation volume difference according to the second sound insulation volume and the first sound insulation volume, and generating a sealant performance detection result according to the sound insulation volume difference;
acquiring the thickness of a sound insulation pad to be detected and the information of a metal plate exposed area of the sound insulation device to be detected;
sealing the sound insulation device to be detected according to the front wall via hole information, the metal plate exposed area information and the thickness of the sound insulation pad to be detected to obtain a third sound insulation device, and determining a sound insulation pad thickness detection result according to the third sound insulation device;
determining the mounting position of the sound insulation pad to be detected according to the information of the metal plate exposed area;
sealing the sound insulation device to be detected according to the front wall via hole information and the mounting position of the sound insulation pad to be detected to obtain a fourth sound insulation device, and determining a sound insulation pad covering detection result according to the fourth sound insulation device;
determining a front wall through hole to be detected according to the front wall through hole information;
sealing the to-be-detected sound insulation device according to the to-be-detected front wall through hole to obtain a fifth sound insulation device, and determining a through hole detection result according to the fifth sound insulation device;
and generating a sound insulation performance detection result according to the sealing glue performance detection result, the sound insulation pad thickness detection result, the sound insulation pad covering detection result and the via hole detection result.
3. The sound insulation performance detection method according to claim 2, wherein the step of sealing the sound insulation device to be detected according to the front wall via hole information, the sheet metal exposed area information, and the thickness of the sound insulation pad to be detected to obtain a third sound insulation device, and determining a detection result of the thickness of the sound insulation pad according to the third sound insulation device specifically includes:
traversing the thickness of the sound insulation pad to be detected, and taking the traversed thickness of the sound insulation pad to be detected as the current thickness of the sound insulation pad;
sealing the sound insulation device to be detected according to the front wall via hole information, the metal plate exposed area information and the current sound insulation pad thickness to obtain a third sound insulation device;
carrying out noise detection on the third sound insulation device to obtain a third detection result;
and determining the thickness detection result of the sound insulation pad according to the third detection result after traversing the thickness of the sound insulation pad to be detected.
4. The sound insulation performance detection method according to claim 3, wherein the step of sealing the sound insulation device to be detected according to the front wall via hole information and the installation position of the sound insulation pad to be detected to obtain a fourth sound insulation device, and determining a detection result of covering the sound insulation pad according to the fourth sound insulation device specifically includes:
traversing the mounting position of the sound insulation pad to be detected to obtain the current mounting position of the sound insulation pad;
sealing the sound insulation device to be detected according to the front wall via hole information and the current sound insulation pad installation position to obtain a fourth sound insulation device;
performing noise detection on the fourth sound insulation device to obtain a fourth detection result;
and determining a covering detection result of the sound insulation pad according to the fourth detection result after traversing the installation position of the sound insulation pad to be detected.
5. The sound insulation performance detection method according to claim 4, wherein the step of sealing the to-be-detected sound insulation device according to the to-be-detected front wall via hole to obtain a fifth sound insulation device, and determining a via hole detection result according to the fifth sound insulation device specifically includes:
traversing the to-be-detected front wall via hole to obtain a current front wall via hole;
sealing the sound insulation device to be detected according to the current front wall through hole to obtain a fifth sound insulation device;
performing noise detection on the fifth sound insulation device to obtain a fifth detection result;
and determining a via hole detection result according to the fifth detection result after the traversal of the front wall via hole to be detected is finished.
6. The sound insulation performance detection method according to claim 2, wherein the step of generating a sound insulation performance detection result according to the sealant performance detection result, the sound insulation pad thickness detection result, the sound insulation pad coverage detection result, and the via hole detection result specifically includes:
judging whether the sound insulation device to be detected meets a preset sound insulation condition or not according to the sound insulation performance detection result;
when the to-be-detected sound insulation device does not meet a preset sound insulation condition, searching a target sealing strategy corresponding to the sound insulation performance detection result;
and sealing the sound insulation device to be detected according to the target sealing strategy to obtain the target sound insulation device.
7. The sound insulation performance test method according to any one of claims 1 to 6, wherein the step of sealing the first sound insulation device according to the first test result to obtain a second sound insulation device specifically comprises:
determining a noise leakage area according to the first detection result, and determining a sealing strategy according to the noise leakage area;
and performing sealing glue treatment on the first sound insulation device according to the sealing strategy to obtain a second sound insulation device.
8. A sound insulation performance detection apparatus characterized by comprising: a memory, a processor, and a sound insulation performance detection program stored on the memory and executable on the processor, the sound insulation performance detection program, when executed by the processor, implementing the steps of the sound insulation performance detection method according to any one of claims 1 to 7.
9. A storage medium having stored thereon a sound insulation performance detection program that, when executed by a processor, implements the steps of the sound insulation performance detection method according to any one of claims 1 to 7.
10. A sound insulation performance detection device, characterized by comprising: the device comprises a determining module, a sealing module, a detecting module and a generating module;
the determining module is used for determining the sound insulation device to be detected according to the sound insulation performance detection instruction when the sound insulation performance detection instruction is received;
the sealing module is used for acquiring the front wall via hole information of the sound insulation device to be detected, and sealing the sound insulation device to be detected according to the front wall via hole information to obtain a first sound insulation device;
the detection module is used for carrying out noise detection on the first sound insulation device to obtain a first detection result;
the sealing module is further used for sealing the first sound insulation device according to the first detection result to obtain a second sound insulation device;
the detection module is further configured to perform noise detection on the second sound insulation device to obtain a second detection result;
and the generating module is used for generating a sound insulation performance detection result according to the first detection result and the second detection result.
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113790900A (en) * 2021-08-11 2021-12-14 岚图汽车科技有限公司 Vehicle sound insulation performance testing method and device and electronic equipment
CN116399952A (en) * 2023-06-08 2023-07-07 深圳东原电子有限公司 Intelligent evaluation method and system for sound insulation and shock absorption performance of acoustic material

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106979977A (en) * 2017-02-17 2017-07-25 广州汽车集团股份有限公司 Automobile front wall sound insulation property Forecasting Methodology
CN109187758A (en) * 2018-09-06 2019-01-11 华南理工大学 A kind of automobile front wall sound insulation tooling and its measurement method
CN208999361U (en) * 2018-09-06 2019-06-18 华南理工大学 A kind of automobile front wall sound insulation tooling
CN110470486A (en) * 2019-08-26 2019-11-19 重庆长安汽车股份有限公司 The sound insulation property prediction technique and prediction meanss of plates of automobile component assembly with blocking piece
CN211478165U (en) * 2019-12-30 2020-09-11 上海汽车集团股份有限公司 Sound insulation performance testing device and sound insulation performance testing system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106979977A (en) * 2017-02-17 2017-07-25 广州汽车集团股份有限公司 Automobile front wall sound insulation property Forecasting Methodology
CN109187758A (en) * 2018-09-06 2019-01-11 华南理工大学 A kind of automobile front wall sound insulation tooling and its measurement method
CN208999361U (en) * 2018-09-06 2019-06-18 华南理工大学 A kind of automobile front wall sound insulation tooling
CN110470486A (en) * 2019-08-26 2019-11-19 重庆长安汽车股份有限公司 The sound insulation property prediction technique and prediction meanss of plates of automobile component assembly with blocking piece
CN211478165U (en) * 2019-12-30 2020-09-11 上海汽车集团股份有限公司 Sound insulation performance testing device and sound insulation performance testing system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113790900A (en) * 2021-08-11 2021-12-14 岚图汽车科技有限公司 Vehicle sound insulation performance testing method and device and electronic equipment
CN113790900B (en) * 2021-08-11 2024-01-09 岚图汽车科技有限公司 Vehicle sound insulation performance test method and device and electronic equipment
CN116399952A (en) * 2023-06-08 2023-07-07 深圳东原电子有限公司 Intelligent evaluation method and system for sound insulation and shock absorption performance of acoustic material
CN116399952B (en) * 2023-06-08 2023-08-18 深圳东原电子有限公司 Intelligent evaluation method and system for sound insulation and shock absorption performance of acoustic material

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