CN216717593U - Automobile abnormal sound detection system and automobile abnormal sound detection device - Google Patents
Automobile abnormal sound detection system and automobile abnormal sound detection device Download PDFInfo
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- CN216717593U CN216717593U CN202122373485.7U CN202122373485U CN216717593U CN 216717593 U CN216717593 U CN 216717593U CN 202122373485 U CN202122373485 U CN 202122373485U CN 216717593 U CN216717593 U CN 216717593U
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Abstract
The utility model discloses an automobile abnormal sound detection system and an automobile abnormal sound detection device, wherein a sensor module, a communication module and an upper computer are arranged, the sensor module comprises a vibration acceleration sensor or a sound sensor and is arranged at a part to be detected of an abnormal sound vehicle and used for acquiring abnormal sensing data of the abnormal sound vehicle; the communication module is connected with the sensor module and the upper computer, the upper computer is used for displaying the abnormal sensing data of the abnormal sound vehicle in the running state and the normal sensing data of the part to be detected of the normal vehicle in the running state, and a detector can determine the source of the abnormal sound more conveniently and quickly by comparing the abnormal sensing data and the normal sensing data, so that the detection accuracy, safety and detection efficiency are improved, and the method can be widely applied to the technical field of automobiles.
Description
Technical Field
The utility model relates to the technical field of automobiles, in particular to an automobile abnormal sound detection system and an automobile abnormal sound detection device.
Background
As the driving time of the automobile increases or an error occurs in the production process, the automobile can generate abnormal sound, so that the detector needs to test the abnormal sound and determine a specific abnormal sound source part for subsequent adjustment and maintenance. The existing abnormal sound problem judgment method is mainly characterized in that a tester subjectively judges possible abnormal sound positions based on the sound intensity through human ears or a wired stethoscope, the directions and the sound intensities heard by different people are greatly different, the accuracy rate is low, and potential safety hazards exist when the wired stethoscope is adopted to identify abnormal sounds of chassis parts; after the suspected abnormal sound parts or parts are judged by using the ears of a human or a wired stethoscope, the abnormal sound sources are finally locked through the verification of the parts by changing, the working hours of the verification of the changing are long, the abnormal sound situation is easily damaged in the changing process, the abnormal sound sources cannot be found finally, and the accuracy and the efficiency are low.
SUMMERY OF THE UTILITY MODEL
To solve at least one of the above-mentioned problems, the present invention is directed to: the automobile abnormal sound detection system and the automobile abnormal sound detection device are provided, and accuracy and efficiency are improved.
The technical scheme adopted by the utility model is as follows:
an automobile abnormal sound detection system, comprising:
the sensor module is arranged at a part to be detected of the abnormal sound vehicle and used for acquiring abnormal sensing data of the abnormal sound vehicle; the sensor module comprises a vibration acceleration sensor or a sound sensor;
a communication module connected with the sensor module;
and the upper computer is connected with the communication module and is used for displaying the abnormal sensing data of the abnormal vehicle in the running state and the normal sensing data of the part to be detected of the normal vehicle in the running state.
Further, the part to be detected comprises a sheet metal part or a chassis part.
Further, the communication module is a WIFI module or a Bluetooth module.
Further, the upper computer comprises a processing unit and a display unit, the processing unit is connected with the communication module and the display unit, and the display unit is used for displaying the abnormal sensing data of the abnormal vehicle in the running state and the normal sensing data of the part to be detected of the normal vehicle in the running state.
Further, the vibration acceleration sensor is an MEMS capacitive triaxial vibration acceleration sensor.
The embodiment of the utility model also provides a device for detecting the abnormal sound of the automobile, which comprises:
the abnormal sound detection device comprises a first sensor unit, a second sensor unit and a control unit, wherein the first sensor unit is arranged at a part to be detected of an abnormal sound vehicle and used for acquiring abnormal sensing data, and the first sensor unit is a vibration acceleration sensor or a sound sensor;
the second sensor unit is arranged at a part to be detected of a normal vehicle and used for acquiring normal sensing data, and the second sensor unit is a vibration acceleration sensor or a sound sensor; the sensor type of the second sensor unit is the same as the sensor type of the first sensor unit;
a communication module connected with the first sensor unit and the second sensor unit;
and the upper computer is connected with the communication module and is used for displaying the abnormal sensing data of the abnormal vehicle in the running state and the normal sensing data of the normal vehicle in the running state.
Further, the part to be detected comprises a sheet metal part or a chassis part.
Further, the communication module is a WI-Fi module or a Bluetooth module.
Further, the vibration acceleration sensor is an MEMS capacitive triaxial vibration acceleration sensor.
The utility model has the beneficial effects that: the abnormal sound detection method comprises the steps that a sensor module, a communication module and an upper computer are arranged, wherein the sensor module comprises a vibration acceleration sensor or a sound sensor and is arranged at a part to be detected of an abnormal sound vehicle and used for acquiring abnormal sensing data of the abnormal sound vehicle; the communication module is connected with the sensor module and the upper computer, the upper computer is used for displaying the abnormal sensing data of the abnormal sound vehicle in the running state and the normal sensing data of the part to be detected of the normal vehicle in the running state, and a detector can determine the source of the abnormal sound more conveniently and quickly by comparing the abnormal sensing data and the normal sensing data, so that the detection accuracy, safety and detection efficiency are improved.
Drawings
FIG. 1 is a schematic diagram of an automobile abnormal sound detection system according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an automobile abnormal sound detection device according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms "first," "second," "third," and the like in the description and claims of this application and in the drawings are used solely to distinguish one from another and are not used to describe a particular sequence. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
The utility model will be further explained and explained with reference to the drawings and the embodiments in the description.
Referring to fig. 1, an embodiment of the present invention provides an automobile abnormal sound detection system, which includes a sensor module, a communication module, and an upper computer.
Referring to fig. 1, in the embodiment of the present invention, a sensor module is disposed in an abnormal vehicle, and is configured to acquire abnormal sensing data of the abnormal vehicle. It should be noted that the abnormal sound vehicle refers to a vehicle which emits abnormal sound and needs to further determine a specific abnormal sound part, and the abnormal sensing data refers to sensing data acquired by the sensor module from the abnormal sound vehicle. Optionally, the sensor module comprises a vibration acceleration sensor or a sound sensor, and the vibration acceleration sensor comprises but is not limited to a MEMS capacitive triaxial vibration acceleration sensor, so that the sensor is miniaturized and abnormal sensing data can be wirelessly transmitted through the communication module; the sound sensor includes, but is not limited to, a sensor or a microphone that can detect sound, and the like.
In the embodiment of the utility model, the sensor module is arranged at the part to be detected of the abnormal sound vehicle, the part to be detected comprises but is not limited to a sheet metal part or a chassis part of the whole vehicle, such as an auxiliary frame and a stabilizer bar of the chassis, a vehicle door of a vehicle body and the like, so that abnormal sensing data of the sheet metal part or the chassis part can be obtained, and the abnormal sensing data can be used for determining which sheet metal part or which chassis part has abnormal sound. The vibration acceleration sensor is arranged at the part to be detected, the obtained vibration acceleration at the arrangement position of the vibration acceleration sensor has uniqueness, and the sensing data at the arrangement position of the sensor can be more accurately obtained relative to the sound of the area where the arrangement position of the sound sensor is located and the sound of other areas collected by the sound sensor, so that the abnormal sound source can be more accurately identified subsequently.
Referring to fig. 1, in the embodiment of the present invention, a communication module is in communication connection with a sensor module and an upper computer, and the communication module is configured to transmit abnormal sensing data to the upper computer in real time. Optionally, the communication module includes, but is not limited to, a WI-FI module or a bluetooth module.
In the embodiment of the present invention, the upper computer includes a processing unit (not shown) and a display unit (not shown). Specifically, the processing unit is connected with the communication module and the display unit. It should be noted that, when detecting the abnormal sound of the automobile, the abnormal sound vehicle is in a driving state, and at this time, the processing unit receives and processes the abnormal sensing data of the abnormal sound vehicle in the driving state, and transmits the abnormal sensing data to the display unit for displaying after processing. Specifically, the display unit also displays normal sensing data of the normal vehicle in a running state. It can be understood that the normal sensing data is the sensing data of the part to be detected of the normal vehicle, that is, the part to be detected is the same as the part to be detected of the abnormal-sound vehicle, for example, when the part to be detected of the abnormal-sound vehicle is an auxiliary frame of the chassis, the part to be detected of the normal vehicle is the auxiliary frame of the chassis, and when the part to be detected of the abnormal-sound vehicle is a stabilizer bar, the part to be detected of the normal vehicle is the stabilizer bar; meanwhile, when the sensor module is a vibration acceleration sensor, the normal sensing data is obtained through the vibration acceleration sensor, and when the sensor module is a sound sensor, the normal sensing data is obtained through the sound sensor. In the embodiment of the utility model, the abnormal sensing data of the abnormal sound vehicle in the running state and the normal sensing data of the normal vehicle in the running state are displayed, so that a detector can judge the source of the abnormal sound, and the detector can continuously determine the abnormal sensing data of different positions by changing the arrangement position of the sensor module, thereby conveniently and accurately determining the source of the abnormal sound. It should be noted that the normal sensing data of the part to be detected of the normal vehicle in the driving state is normal sensing data of the part to be detected of the normal vehicle in the driving state.
It should be noted that the processing unit may have functions of digital-to-analog conversion, analog-to-digital conversion, data generation, and comparative analysis, and after processing the received abnormal sensing data, generate a corresponding numerical table or waveform diagram to be displayed by the display unit; or further, comparing and analyzing the abnormal sensing data and the normal sensing data to determine a detection result. Optionally, the upper computer may further include a storage unit, which stores normal sensing data of a normal vehicle in a driving state, and the data is retrieved from the storage unit by the processing unit and displayed on the display unit, or may also not include the storage unit, and the corresponding vibration acceleration sensor or sound sensor is disposed on the normal vehicle, and is also transmitted to the processing unit by the communication module to be processed and then displayed on the display unit in real time. It should be noted that the present invention does not have the method and function improvement of digital-to-analog conversion, analog-to-digital conversion, data generation, etc., and the processing unit can be implemented by using the existing module.
Referring to fig. 2, optionally, an embodiment of the present invention further provides an automobile abnormal sound detection device, which includes a first sensor unit, a second sensor unit, a communication module, and an upper computer.
Referring to fig. 2, in the embodiment of the present invention, the first sensor unit and the second sensor unit constitute a sensor module. The first sensor unit is arranged at a part to be detected of the abnormal sound vehicle and used for acquiring abnormal sensing data; the second sensor unit is arranged at the part to be detected of the normal vehicle and used for acquiring normal sensing data. Optionally, the first sensor unit is a vibration acceleration sensor or a sound sensor, the second sensor unit is a vibration acceleration sensor or a sound sensor, and the sensor type of the second sensor unit is the same as that of the first sensor unit, for example, if the first sensor unit is a vibration acceleration sensor, the second sensor unit is a vibration acceleration sensor, and if the first sensor unit is a sound sensor, the second sensor unit is a sound sensor.
Referring to fig. 2, in the embodiment of the present invention, the communication module is connected to the first sensor unit and the second sensor unit.
And an upper computer connected to the communication module and including the processing unit (not shown) and a display unit (not shown). Specifically, when the abnormal sound vehicle and the normal vehicle are both in a running state, the processing unit receives and processes the abnormal sensing data of the abnormal sound vehicle in the running state and the normal sensing data of the normal vehicle in the running state, which are transmitted by the communication module, and the processed abnormal sensing data and the processed normal sensing data are displayed by the display unit, for example, the abnormal sensing data and the normal sensing data can be displayed in real time through a table or a waveform diagram.
The running state refers to engine start or engine start with the vehicle moving a certain distance.
The embodiment of the utility model displays the normal sensing data and the abnormal sensing data in the upper computer at the same time, can be used for detecting personnel to quickly lock the abnormal sound source, is convenient and quick, and can improve the efficiency and the accuracy.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the foregoing and various other changes, omissions and deviations in the form and detail thereof may be made without departing from the scope of this invention.
Claims (9)
1. An automobile abnormal sound detection system is characterized by comprising:
the sensor module is arranged at a part to be detected of the abnormal sound vehicle and used for acquiring abnormal sensing data of the abnormal sound vehicle; the sensor module comprises a vibration acceleration sensor or a sound sensor;
a communication module connected with the sensor module;
and the upper computer is connected with the communication module and is used for displaying the abnormal sensing data of the abnormal vehicle in the running state and the normal sensing data of the part to be detected of the normal vehicle in the running state.
2. The system for detecting abnormal noise in a vehicle according to claim 1, wherein: the part to be detected comprises a sheet metal part or a chassis part.
3. The system for detecting abnormal noise in a vehicle according to claim 1, wherein: the communication module is a WIFI module or a Bluetooth module.
4. The system for detecting abnormal noise in a vehicle according to claim 1, wherein: the upper computer comprises a processing unit and a display unit, the processing unit is connected with the communication module and the display unit, and the display unit is used for displaying the abnormal sensing data of the abnormal vehicle in the running state and the normal sensing data of the part to be detected of the normal vehicle in the running state.
5. The vehicle abnormal sound detection system according to any one of claims 1 to 4, wherein: the vibration acceleration sensor is an MEMS capacitive triaxial vibration acceleration sensor.
6. The utility model provides an automobile abnormal sound detection device which characterized in that: the method comprises the following steps:
the abnormal sound detection device comprises a first sensor unit, a second sensor unit and a control unit, wherein the first sensor unit is arranged at a part to be detected of an abnormal sound vehicle and used for acquiring abnormal sensing data, and the first sensor unit is a vibration acceleration sensor or a sound sensor;
the second sensor unit is arranged at a part to be detected of a normal vehicle and used for acquiring normal sensing data, and the second sensor unit is a vibration acceleration sensor or a sound sensor; the sensor type of the second sensor unit is the same as the sensor type of the first sensor unit;
a communication module connected with the first sensor unit and the second sensor unit;
and the upper computer is connected with the communication module and is used for displaying the abnormal sensing data of the abnormal vehicle in the running state and the normal sensing data of the normal vehicle in the running state.
7. The vehicle abnormal sound detection device according to claim 6, wherein: the part to be detected comprises a sheet metal part or a chassis part.
8. The vehicle abnormal sound detection device according to claim 6, wherein: the communication module is a WIFI module or a Bluetooth module.
9. The vehicle abnormal sound detection apparatus according to any one of claims 6 to 8, wherein: the vibration acceleration sensor is an MEMS capacitive triaxial vibration acceleration sensor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122373485.7U CN216717593U (en) | 2021-09-28 | 2021-09-28 | Automobile abnormal sound detection system and automobile abnormal sound detection device |
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| CN202122373485.7U CN216717593U (en) | 2021-09-28 | 2021-09-28 | Automobile abnormal sound detection system and automobile abnormal sound detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115290357A (en) * | 2022-09-15 | 2022-11-04 | 中通客车股份有限公司 | Method and system for detecting abnormal sound in vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115290357A (en) * | 2022-09-15 | 2022-11-04 | 中通客车股份有限公司 | Method and system for detecting abnormal sound in vehicle |
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