CN112069452B - Device fastening degree detection method and apparatus for vehicle, detection device, and computer-readable medium - Google Patents
Device fastening degree detection method and apparatus for vehicle, detection device, and computer-readable medium Download PDFInfo
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- CN112069452B CN112069452B CN202010918371.3A CN202010918371A CN112069452B CN 112069452 B CN112069452 B CN 112069452B CN 202010918371 A CN202010918371 A CN 202010918371A CN 112069452 B CN112069452 B CN 112069452B
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- G06F17/10—Complex mathematical operations
- G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S5/00—Servicing, maintaining, repairing, or refitting of vehicles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
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Abstract
The invention discloses a device fastening degree detection method and device for a vehicle. The device fastening degree detection method comprises the steps of obtaining the vibration frequency of a device of a vehicle; determining the device fastening degree of the vehicle according to the vibration frequency of the device based on a preset device fastening degree detection algorithm; judging that the device fastening degree of the vehicle is abnormal under the condition that the device fastening degree accords with a first detection condition; and in the case that the device fastening degree meets the second detection condition, judging that the device fastening degree of the vehicle is not abnormal. Through the technical scheme, the device fastening degree of each unit in the vehicle can be rapidly and effectively detected.
Description
Technical Field
The present invention relates to the field of vehicle technologies, and in particular, to a method and apparatus for detecting a fastening degree of a vehicle device, a detection device, and a computer readable medium.
Background
With the popularity of shared vehicles, it is a very important issue for shared vehicle service, and the degree of mating tightness of the various units of the vehicle during service is an important control point.
In the prior art, in the existing mode, the condition of vehicle devices is checked one by one through each maintainer for vehicle maintenance, and experience analysis is carried out on each link to check whether a matching point is loose or not, and fastening is needed. This method is then time-consuming and labor-consuming, and has low accuracy.
Accordingly, those skilled in the art have been directed to developing a fastening degree detecting method and apparatus for a vehicle device.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, the present invention is directed to a method and a device for detecting the degree of tightening of various units in a vehicle.
In order to achieve the above object, the present invention provides a device fastening degree detection method for a vehicle, including: acquiring the vibration frequency of a device of a vehicle; determining the device fastening degree of the vehicle according to the vibration frequency of the device based on a preset device fastening degree detection algorithm; and determining that the device fastening degree of the vehicle is abnormal in the case that the device fastening degree meets the first detection condition.
In a preferred embodiment of the present invention, it is determined that there is no abnormality in the device tightening level of the vehicle in the case where the device tightening level meets the second detection condition.
In a preferred embodiment of the present invention, after determining that the device fastening degree of the vehicle is abnormal if the device fastening degree meets the first detection condition, the method further includes: the state prompt device of the control vehicle sends out abnormal prompt information of the device.
In another preferred embodiment of the present invention, the determining the device tightening level of the vehicle according to the device vibration frequency based on the preset device tightening level detection algorithm includes: performing Fourier transform processing on the vibration frequency of the device to obtain a frequency domain sequence; and determining the device fastening degree of the vehicle according to the frequency domain sequence.
In another preferred embodiment of the present invention, the device abnormality notification information includes audio information and indicator light blinking information.
In another preferred embodiment of the present invention, before the device fastening degree detection algorithm based on the preset device fastening degree and determining the device fastening degree of the vehicle according to the device vibration frequency, the method further includes: and under the condition that the vibration frequency of the device is detected to be larger than an initial set threshold value, increasing the acquisition frequency of the vibration frequency of the device.
In another preferred embodiment of the present invention, the device vibration frequency is calculated from triaxial data.
The invention also provides a device fastening degree detection device for a vehicle, which specifically comprises: the acquisition module is used for acquiring the vibration frequency of the device of the vehicle; the determining module is used for determining the device fastening degree of the vehicle according to the device vibration frequency based on a preset device fastening degree detection algorithm; and the first judging module is used for judging that the device fastening degree of the vehicle is abnormal under the condition that the device fastening degree meets the first detection condition.
In a preferred embodiment of the present invention, the apparatus further comprises: and the second judging module is used for judging that the device fastening degree of the vehicle is not abnormal under the condition that the device fastening degree meets a second detection condition.
In a preferred embodiment of the present invention, the apparatus further comprises: and the information prompt module is used for controlling the state prompt equipment of the vehicle to send out abnormal prompt information of the device.
In another preferred embodiment of the present invention, the determining module includes: the processing unit is used for carrying out Fourier transform processing on the vibration frequency of the device to obtain a frequency domain sequence; and the determining unit is used for determining the device fastening degree of the vehicle according to the frequency domain sequence.
In another preferred embodiment of the present invention, the device abnormality notification information includes audio information and indicator light blinking information.
In another preferred embodiment of the present invention, the apparatus further comprises: and the frequency adjustment module is used for improving the acquisition frequency of the vibration frequency of the device under the condition that the vibration frequency of the device is detected to be larger than an initial set threshold value.
In another preferred embodiment of the present invention, the device vibration frequency is calculated from triaxial data.
The invention also provides device fastening degree detection equipment, which comprises a processor, a memory, a power supply, a detection circuit board and an elastic clamp; the processor and the memory are integrated on a detection circuit board, the detection circuit board is respectively connected with a power supply and an elastic clamp, and the elastic clamp is used for connecting the device fastening degree detection equipment with a vehicle; the memory is used for storing a computer program which, when executed by the processor, implements the above-described device fastening degree detection method for a vehicle.
The present invention also provides a computer-readable medium having stored thereon a computer program which, when executed by a processor, implements the above-described device tightening level detection method for a vehicle.
The device or the method provided by the invention has the following technical effects: through the technical scheme, the fastening degree of devices of each unit in the vehicle can be rapidly and effectively detected, the operation efficiency is improved, and time and labor are saved.
The conception, specific structure, and technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, features, and effects of the present invention.
Drawings
Fig. 1 is a flowchart of a device tightening level detection method for a vehicle of the present invention;
Fig. 2 is a flowchart of a device tightening level detection method for a vehicle of the present invention;
Fig. 3 is a schematic structural view of the device tightening level detection apparatus of the present invention;
fig. 4 is a schematic structural view of a device tightening level detection apparatus in the device tightening level detection method for a vehicle of the present invention;
fig. 5 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
Other advantages and effects of the present invention will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present invention with reference to specific examples. The invention may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present invention. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict.
It should be noted that the illustrations provided in the following embodiments merely illustrate the basic concept of the present invention by way of illustration, and only the components related to the present invention are shown in the illustrations, not according to the number, shape and size of the components in actual implementation, and the form, number and proportion of each component in actual implementation may be arbitrarily changed, and the layout of the components may be more complex.
As shown in fig. 1, the device tightening level detection method for a vehicle includes:
S110, acquiring the vibration frequency of a device of the vehicle.
In this implementation manner, the device fastening degree detection method for a vehicle may be used in a use scenario for detecting overhauling of a vehicle, where the vehicle includes a plurality of component devices, each component device may be tightly connected together through each connecting piece in a normal state, however, as the use frequency is enhanced and the use time is increased, the fastening degree between each device may be reduced, a phenomenon that vibration occurs when the vehicle is used, the greater the vibration frequency of the device, the lower the fastening degree between the devices, and conversely, the smaller the vibration frequency of the device, the higher the fastening degree between the devices. Vehicles of the present invention include, but are not limited to, bicycles, moped vehicles, electric vehicles.
In this implementation manner, the vibration frequency of the device may be used to indicate the frequent degree of movement of each device in the use process of the vehicle, and specifically, the vibration frequency of the device may be collected by a sensor disposed in the device fastening degree detecting device. The vibration frequency of the device in the implementation mode can be generated by passive initiation during the running process of the vehicle, or can be generated by active initiation of a vehicle maintenance personnel, such as the generation of tire beating.
In one possible implementation, the device vibration frequency is calculated from triaxial data. Wherein the triaxial data is used for representing the motion acceleration of the device in the standard direction in the three-dimensional space.
S120, determining the device fastening degree of the vehicle according to the device vibration frequency based on a preset device fastening degree detection algorithm.
In this implementation manner, the device fastening degree detection apparatus may be connected with a plurality of devices of the vehicle, respectively, so as to obtain vibration frequencies of the respective devices, respectively. Specifically, the device tightening level detection algorithm is used to determine the device tightening level from the device vibration frequency (data) of each component device in the vehicle. Wherein the device fastening degree is used to indicate the fastening degree of the connection between each component device and the vehicle body.
Specifically, the device tightness detection algorithm may be any type of algorithm, for example, may be an artificial intelligence algorithm based on a neural network, or may be a data processing rule, for example, a fourier transform processing algorithm.
In one possible implementation manner, the determining the device fastening degree of the vehicle according to the device vibration frequency based on the preset device fastening degree detection algorithm includes: performing Fourier transform processing on the vibration frequency of the device to obtain a frequency domain sequence; and determining the device fastening degree of the vehicle according to the frequency domain sequence.
In this implementation manner, the vibration frequency of the device may be represented by a data signal sequence, where the data signal sequence may include a plurality of data, each data being used to represent triaxial data of a component device at a certain moment, and the data signal sequence may include triaxial data continuously stored at intervals of 5ms, for example.
In particular, the data signal sequence may be represented by T 1、T2、……、Tn. Where N is a positive integer greater than or equal to 1, as an example, a preferred value of N may be 512; t represents each data signal in the sequence of data signals representing three axes of data held at intervals.
The implementation may obtain a frequency domain sequence corresponding to the data signal sequence after fourier transforming the data signal sequence.
The frequency domain sequence may be represented by P 1、P2、……、Pn. Where N is a positive integer greater than or equal to 1, as an example, a preferred value of N may be 512; p represents frequency domain signals in the frequency domain sequence corresponding to the data signals, respectively. In this implementation manner, the maximum value P x in P 1、P2、……、Pn may be determined first, and then the device fastening degree of the vehicle is determined according to the device vibration frequencies corresponding to P 1～Px and P x+1～Pn, respectively.
The determining the device fastening degree of the vehicle according to the frequency domain sequence comprises the following steps: and determining the device fastening degree of the vehicle according to the frequency domain sequence P 1、P2、……、Pn and the maximum value P x of the frequency domain sequence.
S130, judging that the device fastening degree of the vehicle is abnormal when the device fastening degree meets the first detection condition.
The detection condition may be determined according to a specific use scenario, for example, a type of a vehicle, and the like. The present implementation may first determine the first detection condition and the second detection condition. When judging whether the device fastening degree meets the first detection condition, if so, the device fastening degree can be judged to meet the first detection condition by calculating that P 1+P2+……+Px is larger than P x+1+Px+2+……+PN, and then the device fastening degree of the vehicle is judged to be abnormal, and the vehicle needs to be overhauled.
In a possible implementation manner, as shown in fig. 2, the method further includes:
and S140, judging that the device fastening degree of the vehicle is not abnormal when the device fastening degree meets the second detection condition.
In the same manner as in step S130, when determining whether the device fastening degree meets the second detection condition, if P 1+P2+……+Px is less than or equal to P x+1+Px+2+……+PN, it may be determined that the device fastening degree meets the second detection condition, and further it is determined that the device fastening degree of the vehicle is not abnormal and no maintenance is required.
The device fastening degree detection method for a vehicle further includes, after determining that the device fastening degree of the vehicle is abnormal, if the device fastening degree meets a first detection condition:
s150, controlling the state prompt equipment of the vehicle to send out device abnormality prompt information.
The abnormal prompt information is used for prompting whether the fastening degree of the device of a worker or a vehicle is abnormal or not, the abnormal prompt information can be sent out in various modes, and the abnormal prompt information of the device comprises audio information and indicator lamp flickering information. As an example, in the case where the device abnormality notification information is the indicator light blinking information, a green light may be blinked when there is no abnormality in the device tightening level, and a red light may be blinked when there is an abnormality in the device tightening level.
In one possible implementation manner, before the device fastening degree detection algorithm is based on the preset device fastening degree detection algorithm and the device fastening degree of the vehicle is determined according to the device vibration frequency, the method further includes: and under the condition that the vibration frequency of the device is detected to be larger than an initial set threshold value, increasing the acquisition frequency of the vibration frequency of the device.
The initial setting threshold may be an initial value, where the initial setting threshold is used to represent an acquisition frequency of a vibration frequency of the device, and when the vibration frequency of the device increases and exceeds the initial setting threshold, the acquisition frequency (or the acquisition frequency) of the vibration frequency of the device is increased, so as to acquire more data, and further more accurately judge whether the fastening degree of the device of the vehicle is abnormal.
Fig. 3 is a schematic structural view of a device tightening level detection apparatus for a vehicle by which the device tightening level detection method of the present invention is performed, the device tightening level detection apparatus including, as shown in fig. 3, a housing, a power source 1, a detection circuit board 2, and a resilient clip 3, the power source 1 and the detection circuit board 2 being located in the housing, the resilient clip 3 being provided in the housing and connected to the housing. Wherein the elastic clip 3 is used for connecting the device fastening degree detection apparatus with a vehicle.
Specifically, the power supply 1 supplies power to the detection circuit board 2; the detection circuit board 2 is provided with a vibration detection device 21; the elastic clamp 3 can clamp the whole product and the frame. In the use, can press from both sides device fastening degree check out test set in the vehicle back fork position to open the switch, power indicator lamp (red lamp) glimmers simultaneously, then the inspector beats corresponding tire with the instrument, and product operation indicator lamp (green lamp) glimmers, and to the user indication product has started to detect waiting judgment result, after the detection is accomplished, red lamp is bright often and is represented product fastening degree unqualified, needs to overhaul, and green lamp is bright normally and is qualified.
Fig. 4 is a schematic structural view of a device tightening level detection apparatus for a vehicle of the present invention. As shown in fig. 4, the device tightening level detection apparatus includes an acquisition module 301, a determination module 302, and a first determination module 303.
Wherein, the acquiring module 301 is configured to acquire a device vibration frequency of a vehicle;
A determining module 302, configured to determine a device fastening degree of the vehicle according to the device vibration frequency based on a preset device fastening degree detection algorithm;
the first determination module 303 is configured to determine that the device fastening degree of the vehicle is abnormal if the device fastening degree meets a first detection condition.
In a preferred embodiment of the present invention, the apparatus further comprises: the second determining module 304 is configured to determine that the device fastening degree of the vehicle is not abnormal if the device fastening degree meets a second detection condition.
In a possible implementation manner, the device fastening degree detection apparatus further includes an information prompt module 305, configured to control a state prompt device of the vehicle to send out device abnormality prompt information.
In one possible implementation, the determining module includes: the processing unit is used for carrying out Fourier transform processing on the vibration frequency of the device to obtain a frequency domain sequence; and the determining unit is used for determining the device fastening degree of the vehicle according to the frequency domain sequence.
In one possible implementation, the device anomaly prompting information includes audio information and indicator light flashing information.
In one possible implementation, the apparatus further includes: and the frequency adjustment module is used for improving the acquisition frequency of the vibration frequency of the device under the condition that the vibration frequency of the device is detected to be larger than an initial set threshold value.
In one possible implementation, the device vibration frequency is calculated from triaxial data.
The product can execute the method provided by the embodiment of the application, and has the corresponding functional modules and beneficial effects of the execution method.
The embodiment of the present application also provides a storage medium containing computer executable instructions which, when executed by a computer processor, are used for a device tightening level detection method of a vehicle, the method comprising: acquiring the vibration frequency of a device of a vehicle; determining the device fastening degree of the vehicle according to the vibration frequency of the device based on a preset device fastening degree detection algorithm; and determining that the device fastening degree of the vehicle is abnormal in the case that the device fastening degree meets the first detection condition.
Storage media-any of various types of memory devices or storage devices. The term "storage medium" is intended to include: mounting media such as CD-ROM, floppy disk or tape devices; computer system memory or random access memory such as DRAM, DDR RAM, SRAM, EDO RAM, lanbas (Rambus) RAM, etc.; nonvolatile memory such as flash memory, magnetic media (e.g., hard disk or optical storage); registers or other similar types of memory elements, etc. The storage medium may also include other types of memory or combinations thereof. In addition, the storage medium may be located in a computer system in which the program is executed, or may be located in a different second computer system connected to the computer system through a network (such as the internet). The second computer system may provide program instructions to the computer for execution. The term "storage medium" may include two or more storage media that may reside in different locations (e.g., in different computer systems connected by a network). The storage medium may store program instructions (e.g., embodied as a computer program) executable by one or more processors.
Of course, the storage medium containing the computer-executable instructions provided by the embodiments of the present application is not limited to the operations of the device fastening degree detection method for a vehicle as described above, and may also perform the related operations in the device fastening degree detection method for a vehicle provided by any embodiment of the present application.
Fig. 5 is a schematic structural diagram of a detection device according to an embodiment of the present disclosure. Referring now to fig. 5, a schematic diagram of an electronic device 400 suitable for use in implementing embodiments of the present disclosure is shown. The electronic device in the embodiments of the present disclosure may be an electronic device for providing an information presentation function. The electronic device shown in fig. 5 is merely an example and should not be construed to limit the functionality and scope of use of the disclosed embodiments.
As shown in fig. 5, the electronic device 400 may include a processing means (e.g., a central processing unit, a graphics processor, etc.) 401, which may perform various suitable actions and processes according to a program stored in a Read Only Memory (ROM) 402 or a program loaded from a storage means 408 into a Random Access Memory (RAM) 403. In the RAM 403, various programs and data necessary for the operation of the electronic device 400 are also stored. The processing device 401, the ROM 402, and the RAM 403 are connected to each other by a bus 404. An input/output (I/O) interface 405 is also connected to bus 404.
In general, the following devices may be connected to the I/O interface 405: input devices 406 including, for example, a touch screen, touchpad, keyboard, mouse, camera, microphone, accelerometer, gyroscope, etc.; an output device 407 including, for example, a Liquid Crystal Display (LCD), a speaker, a vibrator, and the like; storage 408 including, for example, magnetic tape, hard disk, etc.; and a communication device 409. The communication means 409 may allow the electronic device 400 to communicate with other devices wirelessly or by wire to exchange data. While fig. 5 shows an electronic device 400 having various means, it is to be understood that not all of the illustrated means are required to be implemented or provided. More or fewer devices may be implemented or provided instead.
In particular, according to embodiments of the present disclosure, the processes described above with reference to flowcharts may be implemented as computer software programs. For example, embodiments of the present disclosure include a computer program product comprising a computer program embodied on a computer readable medium, the computer program comprising program code for performing the method shown in the flowcharts. In such an embodiment, the computer program may be downloaded and installed from a network via communications device 409, or from storage 408, or from ROM 402. The above-described functions defined in the methods of the embodiments of the present disclosure are performed when the computer program is executed by the processing device 401.
It should be noted that the computer readable medium described in the present disclosure may be a computer readable signal medium or a computer readable medium, or any combination of the two. The computer readable medium can be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples of the computer-readable medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the context of this disclosure, a computer-readable medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. In the present disclosure, however, the computer-readable signal medium may include a data signal propagated in baseband or as part of a carrier wave, with the computer-readable program code embodied therein. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination of the foregoing. A computer readable signal medium may be any computer readable medium that is not a computer readable medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: electrical wires, fiber optic cables, RF (radio frequency), and the like, or any suitable combination of the foregoing.
The computer readable medium may be contained in the electronic device; or may exist alone without being incorporated into the electronic device.
The computer readable medium carries one or more programs which, when executed by the electronic device, cause the electronic device to perform: acquiring the vibration frequency of a device of a vehicle; determining the device fastening degree of the vehicle according to the vibration frequency of the device based on a preset device fastening degree detection algorithm; judging that the device fastening degree of the vehicle is abnormal under the condition that the device fastening degree accords with a first detection condition; and in the case that the device fastening degree meets the second detection condition, judging that the device fastening degree of the vehicle is not abnormal.
Computer program code for carrying out operations of the present disclosure may be written in one or more programming languages, including an object oriented programming language such as Java, smalltalk, C ++ and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or electronic device. In the case of remote computers, the remote computer may be connected to the user computer through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computer.
The flowcharts and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The units involved in the embodiments of the present disclosure may be implemented by means of software, or may be implemented by means of hardware. The names of the modules and units do not limit the modules and units themselves in some cases.
The foregoing description is only of the preferred embodiments of the present disclosure and description of the principles of the technology being employed. It will be appreciated by persons skilled in the art that the scope of the disclosure referred to in this disclosure is not limited to the specific combinations of features described above, but also covers other embodiments which may be formed by any combination of features described above or equivalents thereof without departing from the spirit of the disclosure. Such as those described above, are mutually substituted with the technical features having similar functions disclosed in the present disclosure (but not limited thereto).
The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (11)
1. A device tightening level detection method for a vehicle, characterized by comprising:
acquiring the vibration frequency of a device of a vehicle;
determining the device fastening degree of the vehicle according to the vibration frequency of the device based on a preset device fastening degree detection algorithm;
judging that the device fastening degree of the vehicle is abnormal under the condition that the device fastening degree accords with a first detection condition;
the device fastening degree of the vehicle is determined according to the device vibration frequency, and the device fastening degree comprises a frequency domain sequence and a maximum value of the frequency domain sequence are determined according to the device vibration frequency;
the method further comprises the steps of:
determining that the device fastening degree meets the first detection condition under the condition that the sum of the first frequency domain subsequences is larger than the sum of the second frequency domain subsequences;
The first frequency domain subsequence is a sequence smaller than or equal to the maximum value in the frequency domain sequence, and the second frequency domain subsequence is a sequence larger than the maximum value in the frequency domain sequence.
2. The device tightening level detection method according to claim 1, characterized in that the method further comprises:
And in the case that the device fastening degree meets the second detection condition, judging that the device fastening degree of the vehicle is not abnormal.
3. The device tightening level detection method according to claim 1, wherein, in the case where the device tightening level meets a first detection condition, after determining that the device tightening level of the vehicle is abnormal, the method further comprises:
The state prompt device of the control vehicle sends out abnormal prompt information of the device.
4. The device tightening level detection method according to claim 1, wherein the determining the device tightening level of the vehicle based on the preset device tightening level detection algorithm and based on the device vibration frequency includes:
Performing Fourier transform processing on the vibration frequency of the device to obtain a frequency domain sequence;
and determining the device fastening degree of the vehicle according to the frequency domain sequence.
5. The device tightening level detection method according to claim 3, wherein:
The device abnormality prompt information comprises audio information and indicator lamp flickering information.
6. The device tightening level detection method according to claim 1, wherein before the step of determining the device tightening level of the vehicle from the device vibration frequency based on a preset device tightening level detection algorithm, the method further comprises:
And under the condition that the vibration frequency of the device is detected to be larger than an initial set threshold value, increasing the acquisition frequency of the vibration frequency of the device.
7. The device tightening level detection method according to claim 1, wherein the device vibration frequency is calculated by three-axis data.
8. A device tightening level detection apparatus for a vehicle, characterized by comprising:
the acquisition module is used for acquiring the vibration frequency of the device of the vehicle;
The determining module is used for determining the device fastening degree of the vehicle according to the device vibration frequency based on a preset device fastening degree detection algorithm;
A first determination module configured to determine that a device tightening level of a vehicle is abnormal, in a case where the device tightening level meets a first detection condition;
the determining module is used for determining a frequency domain sequence and the maximum value of the frequency domain sequence according to the vibration frequency of the device;
the first judging module is used for determining that the device fastening degree meets the first detection condition when the sum of the first frequency domain subsequences is larger than the sum of the second frequency domain subsequences;
The first frequency domain subsequence is a sequence smaller than or equal to the maximum value in the frequency domain sequence, and the second frequency domain subsequence is a sequence larger than the maximum value in the frequency domain sequence.
9. The device tightness detection apparatus according to claim 8, further comprising:
and the second judging module is used for judging that the device fastening degree of the vehicle is not abnormal under the condition that the device fastening degree meets a second detection condition.
10. The device fastening degree detection equipment is characterized by comprising a processor, a memory, a power supply, a detection circuit board and an elastic clamp;
The processor and the memory are integrated on the detection circuit board, the detection circuit board is respectively connected with the power supply and the elastic clamp, and the elastic clamp is used for connecting the device fastening degree detection equipment with a vehicle; the memory is configured to store a computer program which, when executed by the processor, implements the device tightening level detection method according to any one of claims 1 to 7.
11. A computer-readable medium, characterized in that a computer program is stored thereon, which, when being executed by a processor, implements the device tightening level detection method according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010918371.3A CN112069452B (en) | 2020-09-04 | 2020-09-04 | Device fastening degree detection method and apparatus for vehicle, detection device, and computer-readable medium |
Applications Claiming Priority (1)
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| CN105209867A (en) * | 2013-03-15 | 2015-12-30 | 博世汽车服务解决方案公司 | Vibration analyzer for vehicle diagnostics |
| CN110954339A (en) * | 2019-11-29 | 2020-04-03 | 安徽江淮汽车集团股份有限公司 | Method for detecting abnormal component in automobile, terminal device and storage medium |
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| JP2011022160A (en) * | 2010-09-30 | 2011-02-03 | Toshiba Corp | Oscillation-deterioration monitoring device and method |
| CN102175409B (en) * | 2011-02-01 | 2012-08-29 | 华北电力大学 | Real-time identification method for oil whirl fault of turbo generator set |
| CN103177520B (en) * | 2011-12-26 | 2016-03-30 | 中国移动通信集团公司 | A kind of theft-proof terminal shock detection alarm method, system and intelligent platform |
| CN105651376B (en) * | 2014-11-10 | 2019-08-06 | 上海宝钢工业技术服务有限公司 | The analysis of mechanical equipment off-line checking system vibration signals spectrograph and alarm method |
| US10895495B2 (en) * | 2018-03-20 | 2021-01-19 | Simmonds Precision Products, Inc. | Vibration signal analysis for determining rotational speed |
| CN109738169B (en) * | 2018-11-28 | 2020-07-07 | 浙江未来技术研究院(嘉兴) | Method and system for detecting fastening state between structural members connected through fastening structure |
| CN111319601B (en) * | 2020-02-28 | 2021-05-18 | 中南大学 | A fault diagnosis method, device and storage medium for a balanced air cylinder control module |
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| CN105209867A (en) * | 2013-03-15 | 2015-12-30 | 博世汽车服务解决方案公司 | Vibration analyzer for vehicle diagnostics |
| CN110954339A (en) * | 2019-11-29 | 2020-04-03 | 安徽江淮汽车集团股份有限公司 | Method for detecting abnormal component in automobile, terminal device and storage medium |
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