CN114216636A - Vibration testing device and vibration testing method - Google Patents
Vibration testing device and vibration testing method Download PDFInfo
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/025—Measuring arrangements
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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
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
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Abstract
The application discloses vibration testing device and vibration testing method, wherein the device is including vibration test unit, memory cell, operation processing unit and display element, the vibration test unit memory cell with the display element respectively with operation processing unit connects, wherein: the vibration testing unit is used for detecting vibration data of a tested body; the memory storage unit is used for storing a test algorithm and the vibration data; the operation processing unit is used for processing the vibration data based on the test algorithm to obtain a processing result; the display unit is used for generating vibration analysis information of the tested body according to the processing result and displaying the vibration analysis information of the tested body.
Description
Technical Field
The invention relates to the technical field of testing, in particular to a vibration testing device and a vibration testing method.
Background
Many electronic devices, such as mobile phones, tablet computers, massage machines, etc., have a vibration function. At present, during production and research and development, vibration testing needs to be performed on an electronic device to ensure that the vibration of the electronic device achieves a desired effect.
Disclosure of Invention
The application provides a vibration testing device and a vibration testing method.
A first aspect provides a vibration testing apparatus, including a vibration testing unit, a memory storage unit, an arithmetic processing unit and a display unit, the vibration testing unit, the memory storage unit and the display unit are respectively connected with the arithmetic processing unit, wherein:
the vibration testing unit is used for detecting vibration data of a tested body;
the memory storage unit is used for storing a test algorithm and the vibration data;
the operation processing unit is used for processing the vibration data based on the test algorithm to obtain a processing result;
the display unit is used for generating vibration analysis information of the tested body according to the processing result and displaying the vibration analysis information of the tested body.
Optionally, the vibration testing unit includes a sensor, and the vibration testing apparatus includes a data acquisition interface, where the data acquisition interface is used to connect with the sensor;
the sensor is used for contacting with the measured body to acquire vibration data of the measured body.
Optionally, the sensor is an acceleration sensor, and the acceleration sensor is used for acquiring sensor data in different axial directions;
the display unit is also used for displaying the vibration data of the measured body in different directions according to the sensor data in different axial directions.
Optionally, the test algorithm includes a vibration test algorithm, an amplitude test algorithm, and a frequency test algorithm;
the arithmetic processing unit is specifically configured to:
processing the vibration data based on the vibration test algorithm to obtain vibration strength;
processing the vibration data based on the amplitude test algorithm to obtain vibration amplitude;
and processing the vibration data based on the frequency test algorithm to obtain the vibration frequency.
Optionally, the operation processing unit is specifically configured to:
carrying out smooth filtering processing on the vibration data and buffering the vibration data in a queue buffer area;
extracting the characteristics of the vibration data of the queue buffer area to obtain characteristic values, and determining the vibration amplitude and an amplitude curve changing along with time according to the characteristic values and a preset distance formula;
and determining the vibration frequency according to the characteristic value and the amplitude curve.
Optionally, the operation processing unit is further configured to send overvoltage information to the display unit when it is detected that the vibration strength is greater than a preset strength threshold and/or the vibration frequency is greater than a preset frequency threshold;
the display unit is used for responding to the overvoltage information to generate and output overvoltage reminding information, and the overvoltage reminding information is used for reminding a user that the tooth brushing vibration strength is too high.
Optionally, the vibration testing apparatus further includes a USB interface, where the USB interface is used to access a terminal device to transmit data to the terminal device.
Optionally, the USB interface is further configured to receive a control instruction of the terminal device;
the control instruction comprises a storage instruction and a display instruction, the storage instruction is used for controlling the vibration testing device to start to store the vibration data, and the display instruction is used for controlling the vibration testing device to start to display the saved vibration data and vibration analysis information corresponding to the vibration data.
Optionally, the vibration analysis information includes a vibration waveform image, and the display module is specifically configured to:
performing curve fitting processing according to the processing result to generate curve fitting data;
refreshing a screen data presentation buffer so that the curve fitting data is updated to the screen data presentation buffer;
and displaying the vibration waveform image, wherein the vibration waveform image is generated based on the data of the screen data display buffer area.
The second aspect provides a vibration testing method, which is applied to a vibration testing device, wherein the vibration testing device comprises a vibration testing unit, a memory storage unit, an operation processing unit and a display unit, the vibration testing unit, the memory storage unit and the display unit are respectively connected with the operation processing unit, and a testing algorithm is stored in the memory storage unit; the method comprises the following steps:
detecting vibration data of the tested body through the vibration testing unit;
storing the vibration data through the memory storage unit;
processing the vibration data based on the test algorithm through the operation processing unit to obtain a processing result;
and generating vibration analysis information of the tested body according to the processing result through the display unit, and displaying the vibration analysis information of the tested body.
The vibration testing device comprises a vibration testing unit, a memory storage unit, an operation processing unit and a display unit, wherein the vibration testing unit, the memory storage unit and the display unit are respectively connected with the operation processing unit, and the vibration testing unit is used for detecting vibration data of a tested body; the memory storage unit is used for storing a test algorithm and the vibration data; the operation processing unit is used for processing the vibration data based on the test algorithm to obtain a processing result; the display unit is used for generating vibration analysis information of the detected body according to the processing result, displaying the vibration analysis information of the detected body, conveniently realizing vibration testing of the electronic device, observing vibration related information and improving the production inspection working efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Wherein:
fig. 1 is a schematic structural diagram of a vibration testing apparatus according to an embodiment of the present disclosure;
FIG. 2 is a schematic structural diagram of another vibration testing apparatus provided in the embodiments of the present application;
fig. 3 is a schematic flow chart of a vibration testing method according to an embodiment of the present disclosure;
FIG. 4 is a schematic software flow chart provided by an embodiment of the present application;
fig. 5 is a schematic software flow chart provided in the embodiment of the present application.
Detailed Description
In order to make the technical solutions of the present application better understood, 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 a part of the embodiments of the present application, and not all of the 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," and the like in the description and claims of the present application and in the drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
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 embodiments of the present application will be described below with reference to the drawings.
Referring to fig. 1, which is a schematic structural diagram of a vibration testing apparatus in an embodiment of the present application, as shown in fig. 1, the vibration testing apparatus 100 includes a vibration testing unit 110, a memory storage unit 120, an arithmetic processing unit 130, and a display unit 140, where the vibration testing unit 110, the memory storage unit 120, and the display unit 140 are respectively connected to the arithmetic processing unit 130, and:
the vibration test unit 110 is used for detecting vibration data of the tested object;
the memory storage unit 120 is used for storing a test algorithm and the vibration data;
the arithmetic processing unit 130 is configured to process the vibration data based on the test algorithm to obtain a processing result;
the display unit 140 is configured to generate vibration analysis information of the subject according to the processing result, and display the vibration analysis information of the subject.
In an alternative embodiment, the vibration testing unit 110 includes a sensor, and the vibration testing apparatus 100 includes a data acquisition interface, which is used to connect with the sensor;
the sensor is used for contacting with the measured body to acquire vibration data of the measured body.
The subject in the embodiments of the present application can be any vibratable device or element, such as an electric toothbrush, an electric massager, an electric shaver, and the like. The vibration testing device 100 in the embodiment of the application can conveniently perform vibration testing on the tested object.
Specifically, the vibration testing unit 110 in the present application may be a detachable structure, that is, the sensor is accessed through the data acquisition interface of the vibration testing apparatus 100, and the sensor is placed at a specific position of the tested object, for example, a fixed or adhesive manner may be adopted, which is not limited herein, so as to acquire the vibration data. The vibration testing device 100 of the present application may provide a plurality of data acquisition interfaces, each of which may be connected to a sensor; one or more sensors may be provided and used as needed to enable vibration detection of one or more subjects.
Alternatively, the sensor may be an acceleration sensor.
The acceleration sensor referred to in the embodiments of the present application is a sensor capable of measuring acceleration. The damper is generally composed of a mass block, a damper, an elastic element, a sensitive element, an adjusting circuit and the like. In the acceleration process, the sensor obtains an acceleration value by measuring the inertial force borne by the mass block and utilizing Newton's second law. Common acceleration sensors include capacitive, inductive, strain, piezoresistive, piezoelectric, etc. depending on the sensor sensing element. The sensors used may also include other motion sensors, gyroscope sensors, and the like, which are not limited in this application.
The sensor part in the embodiment of the present application includes a PCB material as a carrier to implement circuit operation, and transmits vibration data to the arithmetic processing unit 130 through an interface.
The operation processing unit 130 starts to work by supplying power and a pre-programmed program, acquires vibration data of the sensor and performs operation, stores the vibration data in the memory storage unit 120 through the position B, and transmits processed data to the display unit 140 through the test algorithm.
The arithmetic processing Unit 130 may be a Micro Control Unit (MCU), which is also called a Single Chip Microcomputer (Single Chip Microcomputer), or a Single Chip Microcomputer (Single Chip Microcomputer), and is a Chip-level computer formed by appropriately reducing the frequency and specification of a Central Processing Unit (CPU) and integrating peripheral interfaces such as a memory (memory), a counter (Timer), a USB, an a/D conversion, a UART, a PLC, a DMA, and the like, and even an LCD driving circuit, on a Single Chip, and performing different combination control for different applications.
The acceleration sensor can acquire sensor data in different axial directions;
the display unit 140 is further configured to display vibration data of the measured object in different directions according to sensor data of different axial directions.
The display unit 140 may receive the data of the arithmetic processing unit 130 and display the data processed by the arithmetic processing unit 130 in a quantized manner to notify the user, and the information notification manner of the display unit 140 may include any display notification manner, which is not limited in the embodiment of the present application.
In an alternative embodiment, the test algorithm includes a vibration test algorithm, an amplitude test algorithm, and a frequency test algorithm;
the arithmetic processing unit 130 is specifically configured to:
processing the vibration data based on the vibration test algorithm to obtain vibration strength;
processing the vibration data based on the amplitude test algorithm to obtain vibration amplitude;
and processing the vibration data based on the frequency test algorithm to obtain the vibration frequency.
In the embodiment of the application, different test algorithms can be set as required to process the vibration data, and some data preprocessing such as denoising and the like can be further included to obtain different processing results. Such as, but not limited to, testing the vibration strength, amplitude, frequency, and direction of the electric toothbrush.
In an optional implementation manner, the arithmetic processing unit 130 is specifically configured to:
carrying out smooth filtering processing on the vibration data and buffering the vibration data in a queue buffer area;
extracting the characteristics of the vibration data of the queue buffer area to obtain characteristic values, and determining the vibration amplitude and an amplitude curve changing along with time according to the characteristic values and a preset distance formula;
and determining the vibration frequency according to the characteristic value and the amplitude curve.
The system can first read the sensor data (vibration data) and then perform feature extraction on the vibration data. Specifically, data can be buffered in a queue buffer area with the size of N through smoothing filtering processing of an N window, then maximum and minimum values of the data are extracted, the difference value between the maximum value and the minimum value is calculated, and the maximum vibration amplitude of the measured object and the amplitude curve of the measured object along with time are calculated through a distance formula s-1/2 at t. And dividing the maximum amplitude by 2 to obtain a zero-crossing value, obtaining a vibration amplitude half period T/2 through two zero-crossing points of an amplitude curve, and finally obtaining the vibration frequency of the measured body through secondary calculation.
The acceleration sensor can measure vibration data in 3 directions, so that the vibration data in different directions of the measured object can be displayed according to different axial sensor data, and the final amplitude direction, vector and amplitude of the measured object can also be displayed through the vector and acceleration data of the acceleration sensor.
In an optional implementation manner, the vibration testing apparatus 100 further includes a USB interface, where the USB interface is used to access a terminal device to transmit data to the terminal device.
The arithmetic processing unit 130 may also transmit data to the USB interface, and the terminal device may be a desktop computer, and may read and display real-time data through the PC-side upper computer software.
The test algorithm is used for processing the detected vibration data, can be written and set according to needs, and can obtain the visual vibration analysis information of the tested body through the processing and analysis of the test algorithm. For example, the specific vibration conditions of the detected body itself, such as vibration strength, vibration frequency, etc., can be included. In the embodiment of the present application, the arithmetic processing unit 130 may further determine the measured data, for example, perform numerical comparison, determine whether the measured data exceeds a preset value, and perform system analysis in combination with a device usage scenario, which is not limited herein.
Optionally, the operation processing unit 130 is further configured to send overvoltage information to the display unit 140 when it is detected that the vibration strength is greater than a preset strength threshold and/or the vibration frequency is greater than a preset frequency threshold;
the display unit 140 is configured to generate and output an overvoltage reminding message in response to the overvoltage message, where the overvoltage reminding message is used to remind a user that the tooth brushing vibration intensity is too high.
Specifically, the vibration test of the electric toothbrush can be used for detecting the motion force and frequency of the sound wave motor shaft of the electric toothbrush, transmitting the data to the operation processing unit for corresponding judgment and identification, and judging whether the electric toothbrush has an overvoltage tooth brushing phenomenon in use of a user according to the motion force and/or the frequency.
Optionally, the USB interface is further configured to receive a control instruction of the terminal device;
the control instruction comprises a storage instruction and a display instruction, the storage instruction is used for controlling the vibration testing device to start to store the vibration data, and the display instruction is used for controlling the vibration testing device to start to display the stored vibration data and vibration analysis information corresponding to the vibration data.
In the embodiment of the present application, the vibration testing apparatus 100 may be further controlled by the terminal device, the storage of the vibration data is controlled by the storage instruction, and the vibration testing apparatus is controlled by the presentation instruction to present the stored vibration data, vibration analysis information, and the like, including the start and stop of the control.
For example, the serial data parsing module and the memory storage unit 120 corresponding to the USB interface may be mainly responsible for transmitting sensor data to an upper computer, receiving an upper computer data storage instruction (the sensor data starts to be stored in the EEPROM), stopping storage, storing data playback (playing back the sensor data stored in the EEPROM, that is, refreshing the stored data to a screen data buffer in real time for display), suspending, starting work, and other instructions.
The memory unit 120 may be a charged Erasable Programmable read only memory (EEPROM), which is a memory chip with no data loss after power failure. The EEPROM can be erased and reprogrammed on a computer or a special device. The method is generally used for plug and play, and vibration data can be prevented from being lost in the embodiment of the application.
In an optional implementation manner, the vibration analysis information includes a vibration waveform image, and the display module 140 is specifically configured to:
performing curve fitting processing according to the processing result to generate curve fitting data;
refreshing a screen data display buffer area so as to update the curve fitting data to the screen data display buffer area;
and displaying the vibration waveform image, wherein the vibration waveform image is generated based on the data of the screen data display buffer area.
The display module 140 may include a TFT screen, and may mainly display original accelerometer data, amplitude data, and the like, which are calculated by the operation processing unit 130, on the screen in a waveform form through a curve fitting manner, and dynamically display the remaining data (such as frequency and amplitude) in a digital form, and update the display content by refreshing a screen data display buffer area, which is not limited in the display form in the embodiment of the present application.
The vibration testing device in the embodiment of the application comprises a vibration testing unit, a memory storage unit, an operation processing unit and a display unit, wherein the vibration testing unit, the memory storage unit and the display unit are respectively connected with the operation processing unit, and the vibration testing unit comprises: the vibration testing unit is used for detecting vibration data of a tested body; the memory storage unit is used for storing a test algorithm and the vibration data; the operation processing unit is used for processing the vibration data based on the test algorithm to obtain a processing result; the display unit is used for generating vibration analysis information of the detected body according to the processing result, displaying the vibration analysis information of the detected body, conveniently realizing vibration testing of the electronic device, observing vibration related information and improving the production inspection working efficiency.
Fig. 2 is a schematic structural diagram of another vibration testing apparatus provided in an embodiment of the present application, and as shown in fig. 2, the vibration testing apparatus includes an MCU1, a TFT display unit 2, a memory 3, a USB interface 4, and 4 data acquisition interfaces: interface 5, interface 6, interface 7 and interface 8 can connect respectively the individual vibrating element of the nugan (can be same testee), gather vibration data through the sensor.
The USB interface 4 can be accessed to a PC terminal, power is supplied through the PC terminal, and meanwhile, the PC terminal can perform other control and query operations, such as acquiring data detected by the vibration test unit and displaying the data through related software.
The conventional vibration sense test equipment is large in size and high in cost, the whole process from research and development to mass production is inconvenient for operators to operate, and the whole application scene can only be applied to the new function use of products without a method for testing the vibration sense of an electronic device.
When the vibration testing device in the embodiment of the application is used in research and development, the vibration force size, the direction and the like of each electronic device can be tested, a large number of electronic devices are verified, quantized data are obtained and used as a research and development early-stage reference or a method for later product production inspection, research and development testing work of most vibration electronic devices can be achieved, and the vibration testing device is small in size and is not limited by a field and is flexibly applied.
In addition, when the electronic equipment is used by a terminal user at present, the user is difficult to perceive quantitative data of the vibration strength under the condition of lacking an objective judgment mechanism because the user usually feels the vibration strength subjectively.
Compared with the detection scheme on the market, the scheme is an application method and a detection method, can be applied to a development end and a product production end, and is flexible to apply and low in cost; the detected data is not only the single vibration force, but also the frequency and the angle can be detected; the vibration sensing data at different positions can be tested by adopting an interface connection mode, and multi-aspect detection is realized. The application end can improve the added value of the product and enhance the product function.
Based on the description of the embodiment of the vibration testing device, the embodiment of the application also discloses a vibration testing method.
Please refer to fig. 3, which is a flowchart illustrating a vibration testing method according to an embodiment of the present application, applied to a vibration testing apparatus, such as the vibration testing apparatus 100 shown in fig. 1. The vibration testing device comprises a vibration testing unit, a memory storage unit, an operation processing unit and a display unit, wherein the vibration testing unit, the memory storage unit and the display unit are respectively connected with the operation processing unit, and a testing algorithm is stored in the memory storage unit; the method comprises the following steps:
301. detecting vibration data of the tested body through a vibration testing unit;
302. storing the vibration data through a memory storage unit;
303. processing the vibration data through an arithmetic processing unit based on the test algorithm to obtain a processing result;
304. and generating vibration analysis information of the tested object according to the processing result through a display unit, and displaying the vibration analysis information of the tested object.
The structure of the vibration testing apparatus and the steps of the vibration testing method have been described in the embodiment shown in fig. 1, and are not described herein again. The steps 301 to 304 may be performed periodically, or some of the steps may not be performed sequentially.
The vibration testing method in the embodiment of the present application may further include any step performed by the vibration testing apparatus in the embodiment shown in fig. 1, and details are not described here.
The vibration testing method in the embodiment of the application is applied to a vibration testing device, the vibration testing device comprises a vibration testing unit, a memory storage unit, an operation processing unit and a display unit, the vibration testing unit, the memory storage unit and the display unit are respectively connected with the operation processing unit, and the memory storage unit stores a testing algorithm; the method comprises the following steps: detecting vibration data of the tested body through the vibration testing unit; storing the vibration data through the memory storage unit; processing the vibration data based on the test algorithm through the operation processing unit to obtain a processing result; the vibration analysis information of the tested body is generated through the display unit according to the processing result, the vibration analysis information of the tested body is displayed, the vibration test of the electronic device can be conveniently realized, the vibration related information can be visually checked, and the production inspection working efficiency is improved.
Based on the description of the embodiment of the vibration testing method, the embodiment of the present application further discloses a software flow diagram, please refer to fig. 4, and the method can be applied to the vibration testing apparatus, and specifically may include:
after the system is powered on, firstly, power-on self-detection (including system power supply voltage detection, in-place motion sensor detection and calibration, EEPROM storage detection and TFT screen detection) is carried out, after detection is normal, the system starts to acquire sensor data, carries out filtering on the data, carries out algorithm processing such as data characteristic extraction and the like, resolves to obtain vibration discrete data, vibration frequency, vibration intensity and the like of a detected body, then displays the information on a TFT screen, sends data in a specific format in real time through a serial port interface, and upper computer software can convert USB into serial port connection to start to resolve data in the specific format and carry out more detailed data processing and display. Through upper computer software, a data storage instruction can be sent, and the current measurement data is controlled to be tested and stored until a storage stopping instruction is received. The data display instruction can be sent through the upper computer, the test data stored before the test board starts to be displayed until the data is played or the real-time detection instruction is received.
Further, based on the description of the embodiment of the vibration testing method, the embodiment of the present application further discloses another software flow diagram, please refer to fig. 5, where the method may be applied to the vibration testing apparatus, and specifically may include:
and the system performs power-on self-check. After the system is powered on, the system voltage, the interface sensor, the memory and the display screen can be respectively subjected to the work of voltage within the working voltage range of the system, the ID verification and calibration of the sensor, the data read-write verification of the memory, the ID verification of the screen and the like, the detection result is normal, the system is started and is abnormal, the system continues to detect, and the abnormal result is displayed on the TFT screen.
In an embodiment of the present application, a computer-readable storage medium is proposed, in which a computer program is stored which, when being executed by a processor, causes the processor to carry out the steps of the above-mentioned method embodiments.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a non-volatile computer-readable storage medium, and can include the processes of the embodiments of the methods described above when the program is executed. Any reference to memory, storage, database, or other medium used in the embodiments provided herein may include non-volatile and/or volatile memory, among others. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The utility model provides a vibration testing arrangement, its characterized in that includes vibration test unit, memory cell, arithmetic processing unit and display element, vibration test unit, memory cell and display element respectively with arithmetic processing unit connects, wherein:
the vibration testing unit is used for detecting vibration data of a tested body;
the memory storage unit is used for storing a test algorithm and the vibration data;
the operation processing unit is used for processing the vibration data based on the test algorithm to obtain a processing result;
the display unit is used for generating vibration analysis information of the tested body according to the processing result and displaying the vibration analysis information of the tested body.
2. The vibration testing device of claim 1, wherein the vibration testing unit comprises a sensor, the vibration testing device comprising a data acquisition interface for connecting with the sensor;
the sensor is used for contacting with the measured body to acquire vibration data of the measured body.
3. The vibration testing device according to claim 2, wherein the sensor is an acceleration sensor for acquiring sensor data of different axial directions;
the display unit is also used for displaying the vibration data of the measured body in different directions according to the sensor data in different axial directions.
4. The vibration testing apparatus of claim 1, wherein the testing algorithm comprises a vibration testing algorithm, an amplitude testing algorithm, and a frequency testing algorithm;
the arithmetic processing unit is specifically configured to:
processing the vibration data based on the vibration test algorithm to obtain vibration strength;
processing the vibration data based on the amplitude test algorithm to obtain vibration amplitude;
and processing the vibration data based on the frequency test algorithm to obtain the vibration frequency.
5. The vibration testing device according to claim 1, wherein the arithmetic processing unit is specifically configured to:
carrying out smooth filtering processing on the vibration data and buffering the vibration data in a queue buffer area;
extracting the characteristics of the vibration data of the queue buffer area to obtain characteristic values, and determining the vibration amplitude and an amplitude curve changing along with time according to the characteristic values and a preset distance formula;
and determining the vibration frequency according to the characteristic value and the amplitude curve.
6. The vibration testing device according to claim 1, wherein the arithmetic processing unit is further configured to send overvoltage information to the display unit when detecting that the vibration strength is greater than a preset strength threshold and/or the vibration frequency is greater than a preset frequency threshold;
the display unit is used for responding to the overvoltage information to generate and output overvoltage reminding information, and the overvoltage reminding information is used for reminding a user that the tooth brushing vibration strength is too high.
7. The vibration testing apparatus according to any of claims 1-6, wherein the vibration testing apparatus further comprises a USB interface for accessing a terminal device for transmitting data to the terminal device.
8. The vibration testing apparatus according to claim 7, wherein the USB interface is further configured to receive a control command of the terminal device;
the control instruction comprises a storage instruction and a display instruction, the storage instruction is used for controlling the vibration testing device to start to store the vibration data, and the display instruction is used for controlling the vibration testing device to start to display the saved vibration data and vibration analysis information corresponding to the vibration data.
9. The vibration testing device of claim 1, wherein the vibration analysis information comprises a vibration waveform image, and the display module is specifically configured to:
performing curve fitting processing according to the processing result to generate curve fitting data;
refreshing a screen data presentation buffer so that the curve fitting data is updated to the screen data presentation buffer;
and displaying the vibration waveform image, wherein the vibration waveform image is generated based on the data of the screen data display buffer area.
10. The vibration testing method is characterized by being applied to a vibration testing device, wherein the vibration testing device comprises a vibration testing unit, a memory storage unit, an operation processing unit and a display unit, the vibration testing unit, the memory storage unit and the display unit are respectively connected with the operation processing unit, and a testing algorithm is stored in the memory storage unit; the method comprises the following steps:
detecting vibration data of the tested body through the vibration testing unit;
storing the vibration data through the memory storage unit;
processing the vibration data based on the test algorithm through the operation processing unit to obtain a processing result;
and generating vibration analysis information of the tested body according to the processing result through the display unit, and displaying the vibration analysis information of the tested body.
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