CN102914414B - Vibration measuring instrument based on Android platform mobile phone and detection method thereof - Google Patents
Vibration measuring instrument based on Android platform mobile phone and detection method thereof Download PDFInfo
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- CN102914414B CN102914414B CN201210389375.2A CN201210389375A CN102914414B CN 102914414 B CN102914414 B CN 102914414B CN 201210389375 A CN201210389375 A CN 201210389375A CN 102914414 B CN102914414 B CN 102914414B
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Abstract
The invention relates to a vibration measuring instrument based on an Android platform mobile phone and belongs to the technical field of mechanical vibration measurement. The vibration measuring instrument comprises a CPU (Central Processing Unit) and a gesture measuring module, a gesture adjusting module, an acceleration measuring module, a sensor calibrating module and a vibration measuring data processing module which are matched and connected with the CPU. A detection process by applying the measuring instrument comprises gesture measurement, gesture adjustment, acceleration sensor calibration, acceleration measurement, vibration analysis and calculation, and detection result outputting. According to the vibration measuring instrument provided by the invention, the huge work load required by developing a traditional vibration measuring instrument based on an embedded system is overcome; the support of the Android platform mobile phone to an integrated sensor is fully applied, so that the system development is very convenient and quick; the Android platform mobile phone has high resolution and can increase the accuracy of the detected data; the detection process is simple; the vibration measuring instrument is easy to take; and a high-precision and low-cost object vibration parameter measuring system scheme is realized.
Description
Technical field
The invention belongs to mechanical vibration field of measuring technique, be specifically related to a kind of portable, vibration measuring set and detection method thereof based on Android platform mobile phone.
Background technology
Mechanical vibration are near to-and-fro movements that object or particle are done its equilibrium position.Mechanical vibration are all harmful to for most industrial machinery, engineering structure and instrument and meter, if vibratory output exceedes allowed band, plant equipment will produce larger dynamic loading and noise, thereby affect its serviceability and serviceable life, the initial failure that can cause parts and components when serious, vibration analysis and VIBRATION DESIGN have become a key link in product design.Mechanical vibration are a kind of physical phenomenons, instead of a physical parameter, the power of vibration is weighed with vibratory output, and vibratory output can be displacement, speed, acceleration, the acceleration of vibrating mass, so vibration-testing is the detection to these vibratory outputs, in order to the degree of strength of reflection vibration.
The sorting technique of vibration survey has multiple, can be divided into Mechanical Method, electrical measuring method and photoelectricity in conjunction with mensuration according to the principle of measuring; Whether contact with measured object according to vibration-measuring sensor, can be divided into contact measurement and non-cpntact measurement; According to the difference of vibration transducer principle, can be divided into again three kinds, acceleration type, velocity profile and change in displacement detection type, wherein acceleration type and velocity profile belong to contact-type measurement, when use, be fixed on testee, change in displacement detection type belongs to non-cpntact measurement type, when use, need not be arranged on testee.
Traditional Vibration-Measuring System based on embedded system comprises sensor, embedded hardware, embedded software three parts; Wherein Sensor section design comprises the module such as amplification, conditioning, filtering, A/D conversion of transducing part, transducing part output signal etc.; Embedded Hardware Design comprises selection and the configuration of the parts such as embedded microprocessor, internal bus, I/O mouth, ROM, RAM, general-purpose interface, keyboard, display screen; Embedded software comprises middle layer, software layer, functional layer program, and middle layer design BSP/HAL hardware abstraction layer/plate level AKU, realizes bottom hardware and drive; Software layer comprises real time operating system transplanting, is responsible for file management, task management, graphical user interface etc.; Functional layer is designed to user's the writing of application program, and generally the data that collect is carried out to filtering, calculating, and result is sent to host computer or is shown to user; The exploitation of this traditional Vibration-Measuring System based on embedded system need to be carried out the design of sensor, embedded hardware and embedded software simultaneously, and the cost of Design and manufacture is high, workload is large, the cycle is long, the software and hardware poor compatibility of product.
Summary of the invention
The present invention is intended to apply the support of Android platform mobile phone to integrated sensor, provide a kind of vibration measuring set based on Android platform mobile phone of contact measurement, acceleration type metering system and technical scheme of detection method of adopting, to overcome problems of the prior art.
Android is the open source operating system based on Linux platform of releasing in 2007 with the open mobile phone alliance (Open Handset Alliance-OHA) headed by Google, Android has adopted the stacked framework of software, comprises bottom taking Linux as core, taking function library and virtual machine as main middle layer and be applied as main upper strata; Bottom and middle layer are mainly developed by C or C++, and upper layer application is mainly write by JAVA; The aspect that Android is better than other Embedded Software Platforms is exactly to support easily multiple integrated sensor, can respond to the variation of multiple physical quantitys such as comprising mobile phone attitude, acceleration, magnetic field, light intensity, temperature, pressure, sensor chip embedded sensors and A/D change-over circuit, can be directly with SPI or I
2c circuit output digit signals; Android SDK provides the API of various sensors in mobile device, access means bottom hardware easily, comprise arrange sensor range, resolution, accuracy, read measurement data etc., and needn't carry out alternately with the programming languages such as compilation, C and C++ and bottom hardware, also need not understand hardware system internal work mechanism and details, there is hardware platform independence; The application software of Android platform adopts JAVA language to develop, and application software has software platform independence.
The described vibration measuring set based on Android platform mobile phone, is characterized in that comprising CPU and is connected the attitude measurement module, attitude adjusting module, acceleration analysis module, transducer calibration module, the vibration survey data processing module that coordinate with CPU; Wherein: attitude measurement module changes for the orientation of measuring mobile phone body; Attitude adjusting module is for adjusting the position of mobile phone body; Acceleration analysis module is for measuring the 3-axis acceleration of mobile phone body; Transducer calibration module realizes the demarcation to acceleration analysis module for obtaining acceleration measurement correction factor; Vibration survey data processing module is for parameters and analyze acquisition vibration survey result.
The described vibration measuring set based on Android platform mobile phone, is characterized in that described attitude measurement module comprises attitude sensor, for measuring the attitude parameter of mobile phone body at the horizontal system of coordinates, comprises Azimuth angle, Pitch angle and Roll angle.
The described vibration measuring set based on Android platform mobile phone, it is characterized in that described attitude adjusting module comprises the bracing frame and the one group of feet that connect cooperation, the bottom connection of feet arranges adjusting nut, connects the snak link that is provided for fixing mobile phone body on bracing frame.
The described vibration measuring set based on Android platform mobile phone, is characterized in that described acceleration analysis module comprises acceleration transducer, measures the 3-axis acceleration of mobile phone body in local Descartes's rectangular coordinate system; Vertical acceleration and normal acceleration of gravity when described transducer calibration module leaves standstill the mobile phone body level measuring by acceleration analysis module are made comparisons, and the correction factor using this ratio as acceleration measurement is realized the demarcation to acceleration analysis module.
The described vibration measuring set based on Android platform mobile phone, it is characterized in that described vibration survey data processing module comprises that parameter arranges module, vibration analysis module, parameter arranges module for vibration measuring parameters, vibration survey result parameter, systematic parameter are set, wherein: vibration measuring parameters comprises measures range, sample frequency, resolution, measuring accuracy, normal acceleration of gravity, vibration survey result parameter involving vibrations acceleration, acceleration, speed, displacement, A95, V95, vibration peak peak value, speed peak-to-peak value; Systematic parameter comprises triggering mode, Measuring Time, measurement data preservation position; Vibration analysis module comprises the speed numerical value that the acceleration collecting is obtained to measured body vibration to time integral, this speed numerical value is obtained to the displacement information of measured body to time integral, obtain the time changing curve of acceleration, speed, displacement by plotter program, computational analysis obtains vibration parameters A95, V95, vibration peak peak value, speed peak-to-peak value.
The described vibration measuring set based on Android platform mobile phone, characterized by further comprising and be connected the display module, the output module that coordinate with CPU, display module is used at mobile phone display screen display measurement and analysis result, and output module comprises one or both in SD card, bluetooth link block.
The detection method of the described vibration measuring set based on Android platform mobile phone, is characterized in that comprising following detecting step:
1) mobile phone body display screen is upwards left standstill, measure the attitude parameter of mobile phone body in the horizontal system of coordinates by attitude measurement module: Azimuth angle, Pitch angle and Roll angle;
2) utilize the measurement data of step 1), adjust the position of mobile phone body by attitude adjusting module, make Azimuth angle, Pitch angle and Roll angle is zero simultaneously, is adjusted to horizontal level by mobile phone body;
3) in step 2) horizontal level that obtains, measure mobile phone body Z-direction acceleration in local Descartes's rectangular coordinate system by acceleration analysis module, i.e. vertical acceleration;
4) transducer calibration module utilizes the vertical acceleration information and the A/W acceleration ratio that in step 3), record to obtain acceleration correction coefficient, realizes the demarcation to acceleration analysis module;
5) described vibration measuring set is rigidly fixed to testee surface, adjusts vibration measuring set and make its local Descartes's rectangular coordinate system orientation consistent with the direction of measuring vibrations;
6) start detection program, records the 3-axis acceleration of mobile phone body in local Descartes's rectangular coordinate system in real time by acceleration analysis module;
7) adopt the acceleration correction coefficient obtaining in step 4) to revise the measured 3-axis acceleration of step 6);
8) vibration survey data processing module utilizes the 3-axis acceleration measurement modified value that step 7) obtains to analyze acquisition vibration survey result.
The detection method of the described vibration measuring set based on Android platform mobile phone, it is characterized in that its detecting step also comprises the display module display measurement and the analysis result in mobile phone display screen that coordinate by being connected with CPU, by be connected the output module coordinating with CPU, measurement and analysis result are transported to external equipment, output module comprises one or both in SD card, bluetooth link block.
The detection method of the described vibration measuring set based on Android platform mobile phone, it is characterized in that described attitude adjusting module comprises the bracing frame and the one group of feet that connect cooperation, the bottom connection of feet arranges adjusting nut, connects the snak link that is provided for fixing mobile phone body on bracing frame.
The detection method of the described vibration measuring set based on Android platform mobile phone, it is characterized in that described vibration survey data processing module comprises that parameter arranges module, vibration analysis module, parameter arranges module for vibration measuring parameters, vibration survey result parameter, systematic parameter are set, wherein: vibration measuring parameters comprises measures range, sample frequency, resolution, measuring accuracy, normal acceleration of gravity, vibration survey result parameter involving vibrations acceleration, acceleration, speed, displacement, A95, V95, vibration peak peak value, speed peak-to-peak value; Systematic parameter comprises triggering mode, Measuring Time, measurement data preservation position; Vibration analysis module comprises the speed numerical value that the acceleration collecting is obtained to measured body vibration to time integral, this speed numerical value is obtained to the displacement information of measured body to time integral, obtain the time changing curve of acceleration, speed, displacement by plotter program, computational analysis obtains vibration parameters A95, V95, vibration peak peak value, speed peak-to-peak value.
The above-mentioned vibration measuring set based on Android platform mobile phone, novel, rational in infrastructure, overcome and developed the needed huge workload of traditional vibration measuring set based on embedded system, the fully support of application Android platform mobile phone to integrated sensor, makes system development quite convenient, fast, while applying vibration measuring set of the present invention, by calling the sensor application programming interface of Android platform mobile phone, control built-in attitude sensor chip, acceleration sensor chip can be realized horizontal position adjustment, direction of measurement is adjusted, transducer calibration, the collection of acceleration signal etc., and carry out data processing by built-in application program and can obtain acceleration curve, accelerating curve, rate curve and displacement curve, measurement result can show at mobile phone screen by report manner, or export to SD card, or connect blue-tooth printer printing by bluetooth module, the high resolving power that Android platform mobile phone has can improve the accuracy that detects data, testing process is simple simultaneously, be easy to carry again, realize a kind of high precision, object vibration parameter measurement system scheme cheaply.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is described attitude adjusting module structural representation;
In figure: 1-CPU, 2-attitude measurement module, 3-attitude adjusting module, 3a-bracing frame, 3b-feet, 3c-adjusting nut, 3d-snak link, 4-acceleration analysis module, 5-transducer calibration module, 6-vibration survey data processing module, 7-display module, 8-output module, 9-mobile phone body
Embodiment
Now, in conjunction with Figure of description, describe the specific embodiment of the present invention in detail:
Fig. 1, 2 are depicted as the vibration measuring set based on Android platform mobile phone, comprise CPU1 and be connected the attitude measurement module 2 coordinating with CPU1, attitude adjusting module 3, acceleration analysis module 4, transducer calibration module 5, vibration survey data processing module 6, display module 7, output module 8, CPU1 and attitude measurement module 2, attitude adjusting module 3, acceleration analysis module 4, transducer calibration module 5, vibration survey data processing module 6, display module 7 is integrated in the mobile phone body 9 based on Android platform, output module 8 is integrated in mobile phone body 9 or in mobile phone body 9, coupling arrangement is set and is connected with output module 8, wherein: attitude measurement module 2 comprises attitude sensor, change for the orientation of measuring mobile phone body, specifically for measuring the attitude parameter of mobile phone body in the horizontal system of coordinates, comprise Azimuth angle, Pitch angle and Roll angle, attitude adjusting module 3, for adjusting the position of mobile phone body, comprises the bracing frame 3a and the one group of feet 3b that connect cooperation, and the bottom connection of feet 3b arranges adjusting nut 3c, the upper snak link 3d that is provided for fixing mobile phone body 9 that connects of bracing frame 3a, acceleration analysis module 4 comprises acceleration transducer, for measuring the 3-axis acceleration of mobile phone body in local Descartes's rectangular coordinate system, when transducer calibration module 5 utilizes mobile phone body 9 levels to leave standstill, the ratio of vertical acceleration and normal acceleration of gravity is realized the demarcation to acceleration analysis module 4 as the correction factor of acceleration measurement, vibration survey data processing module 6 is for parameters and analyze acquisition vibration survey result, comprise that parameter arranges module, vibration analysis module, examining report generation module, parameter arranges module for vibration measuring parameters, vibration survey result parameter, systematic parameter are set, wherein: vibration measuring parameters comprises measures range, sample frequency, resolution, measuring accuracy, normal acceleration of gravity, vibration survey result parameter involving vibrations acceleration, acceleration, speed, displacement, A95, V95, vibration peak peak value, speed peak-to-peak value, systematic parameter comprises triggering mode, Measuring Time, measurement data preservation position, vibration analysis module comprises the speed numerical value that the acceleration collecting is obtained to measured body vibration to time integral, this speed numerical value is obtained to the displacement information of measured body to time integral, obtain the time changing curve of acceleration, speed, displacement by plotter program, computational analysis obtains vibration parameters A95, V95, vibration peak peak value, speed peak-to-peak value, and examining report generation module is for showing or output by the form of setting and requirement detecting analysis result, display module 7 is for display screen display measurement and analysis result in mobile phone body 9, output module 8 comprises one or both in SD card, bluetooth link block, SD card is for directly deriving testing result, and bluetooth link block can be used for being connected with blue-tooth printer, prints testing result.
Apply the detection method of the above-mentioned vibration measuring set based on Android platform mobile phone, testing process comprises attitude measurement, attitude adjustment, acceleration sensor calibration, acceleration analysis, vibration analysis and calculating, testing result output, comprises following detecting step:
1) mobile phone body 9 display screens are upwards left standstill, measure three attitude parameters of mobile phone body 9 in the horizontal system of coordinates by attitude measurement module 2: Azimuth angle, Pitch angle and Roll angle;
2) utilize the measurement data of step 1), adjust the position of mobile phone body 9 by attitude adjusting module 3, finally make Azimuth angle, Pitch angle and Roll angle is zero simultaneously, is adjusted to horizontal level by mobile phone body 9;
3) in step 2) adjust the horizontal level that obtains, when measuring mobile phone body 9 levels and leave standstill by acceleration analysis module 4 in local Descartes's rectangular coordinate system Z-direction acceleration, i.e. vertical acceleration;
4) the vertical acceleration information recording in step 3) and A/W acceleration ratio are obtained acceleration correction coefficient by transducer calibration module 5, realizes the demarcation to acceleration analysis module 4;
5) described vibration measuring set is rigidly fixed to testee surface, adjusts vibration measuring set and make its local Descartes's rectangular coordinate system orientation consistent with the direction of measuring vibrations;
6) start detection program, records the 3-axis acceleration of mobile phone body 9 in local Descartes's rectangular coordinate system in real time by acceleration analysis module 4;
7) adopt the acceleration correction coefficient obtaining in step 4) to demarcate the measured 3-axis acceleration of step 6);
8) the 3-axis acceleration calibration value that vibration survey data processing module 6 utilizes step 7) to obtain is analyzed and is obtained vibration survey result;
9) measurement and the analysis result that in demonstration or output step 8), obtain, by be connected the display module 7 display measurement and the analysis result in the display screen of mobile phone body 9 that coordinate with CPU1, or by be connected the output module 8 coordinating with CPU1, measurement and analysis result are transported to external equipment, output module 8 comprises one or both in SD card, bluetooth link block.
Three shaft space position relationships of the local Descartes's rectangular coordinate system described in above-mentioned detecting step are: when the display screen of mobile phone body 9 is towards observer and observer's sight line when vertical with display screen, x direction of principal axis is and the parallel plane positive right direction of display screen, y direction of principal axis be parallel with display screen and with x axle direction vertically upward, z direction of principal axis is vertical with display screen and points to display screen lateral direction; When mobile phone body 9 is horizontal and its display screen upwards time, above-mentioned detecting step 1), 2) described in Azimuth angle, Pitch angle and three, Roll angle attitude parameter in order to reflect the location status of mobile phone body 9 in the horizontal system of coordinates be specifically respectively:
Azimuth angle, i.e. deflection, is the projection of y axle on surface level and the angle of direct north, its span is 0～359 °, when 0 ° of Azimuth angle value, the sensing of y axle is respectively north, east, south, west 90 °, 180 °, 270 ° time;
Pitch angle, i.e. pitch angle, is the angle of y axle and surface level, moves as just with the axial y direction of principal axis of z, its span is-180 °～180 °;
Roll angle, i.e. rotation angle, is the angle of x axle and surface level, leaves z direction of principal axis for just with x axle, its span is-90 °～90 °;
Three attitude parameters in Azimuth angle, Pitch angle, Roll angle of being measured the reflection mobile phone body 9 horizontal level relations of acquisition by attitude measurement module 2 are 1 o'clock simultaneously, mobile phone body 9 is horizontal, the Y-axis of local Descartes's rectangular coordinate system is pointed to magnetic north, now upwards, local Cartesian coordinates are Z-direction and acceleration of gravity opposite direction to the display screen of mobile phone body 9; The demarcation of mobile phone body 9 acceleration analysis module 4 under the standing vertical direction acceleration measuring of level can be used for current environment.
Above-mentioned detecting step 2) described in attitude adjusting module 3 comprise connect coordinate bracing frame 3a and one group of feet 3b, the bottom connection of feet 3b arranges adjusting nut 3c, the upper snak link 3d that is provided for fixing mobile phone body 9 that connects of bracing frame 3a, by regulating the position that the adjusting nut 3c of feet 3b bottom can adjusting support frame 3a, thereby regulate the position of the mobile phone body 9 being fixed together by snak link 3d and bracing frame 3a.
Above-mentioned detecting step 8) described in vibration survey data processing module 6 comprise that parameter arranges module, vibration analysis module, parameter arranges module for vibration measuring parameters, vibration survey result parameter, systematic parameter are set, wherein: vibration measuring parameters comprises measures range, sample frequency, resolution, measuring accuracy, normal acceleration of gravity, vibration survey result parameter involving vibrations acceleration, acceleration, speed, displacement, A95, V95, vibration peak peak value, speed peak-to-peak value; Systematic parameter comprises triggering mode, Measuring Time, measurement data preservation position; Vibration analysis module comprises the speed numerical value that the acceleration collecting is obtained to measured body vibration to time integral, this speed numerical value is obtained to the displacement information of measured body to time integral, obtain the time changing curve of acceleration, speed, displacement by plotter program, computational analysis obtains vibration parameters A95, V95, vibration peak peak value, speed peak-to-peak value.
In above-described embodiment, parameter A 95 fingers definition compass in, the value that the acceleration of 95% sampled data or vibration values are less than or equal to; V parameter 95 fingers definition compass in, the value that the velocity amplitude of 95% sampled data is less than or equal to.
Claims (1)
1. the vibration measuring set based on Android platform mobile phone, is characterized in that comprising CPU(1) and with CPU(1) be connected coordinate attitude measurement module (2), attitude adjusting module (3), acceleration analysis module (4), transducer calibration module (5), vibration survey data processing module (6); Wherein: attitude measurement module (2) changes for the orientation of measuring mobile phone body (9); Attitude adjusting module (3) is for adjusting the position of mobile phone body (9), comprise and connect the bracing frame (3a) and the one group of feet (3b) that coordinate, the bottom connection of feet (3b) arranges adjusting nut (3c), the upper snak link (3d) that is provided for fixing mobile phone body (9) that connects of bracing frame (3a); Acceleration analysis module (4) is for measuring the 3-axis acceleration of mobile phone body (9); Transducer calibration module (5) realizes the demarcation to acceleration analysis module (4) for obtaining acceleration measurement correction factor; Vibration survey data processing module (6) is for parameters and analyze acquisition vibration survey result.
2. the vibration measuring set based on Android platform mobile phone as claimed in claim 1, it is characterized in that described attitude measurement module (2) comprises attitude sensor, be used for measuring the attitude parameter of mobile phone body (9) at the horizontal system of coordinates, comprise Azimuth angle, Pitch angle and Roll angle.
3. the vibration measuring set based on Android platform mobile phone as claimed in claim 1, is characterized in that described acceleration analysis module (4) comprises acceleration transducer, measures the 3-axis acceleration of mobile phone body (9) in local Descartes's rectangular coordinate system; Vertical acceleration and normal acceleration of gravity when described transducer calibration module (5) leaves standstill mobile phone body (9) level measuring by acceleration analysis module (4) are made comparisons, and the correction factor using this ratio as acceleration measurement is realized the demarcation to acceleration analysis module (4).
4. the vibration measuring set based on Android platform mobile phone as claimed in claim 1, it is characterized in that described vibration survey data processing module (6) comprises that parameter arranges module, vibration analysis module, parameter arranges module for vibration measuring parameters is set, vibration survey result parameter, systematic parameter, wherein: vibration measuring parameters comprises measurement range, sample frequency, resolution, measuring accuracy, normal acceleration of gravity, vibration survey result parameter involving vibrations acceleration, acceleration, speed, displacement, A95, V95, vibration peak peak value, speed peak-to-peak value, systematic parameter comprises triggering mode, Measuring Time, measurement data preservation position, vibration analysis module comprises the speed numerical value that the acceleration collecting is obtained to measured body vibration to time integral, this speed numerical value is obtained to the displacement information of measured body to time integral, obtain the time changing curve of acceleration, speed, displacement by plotter program, computational analysis obtains vibration parameters A95, V95, vibration peak peak value, speed peak-to-peak value.
5. the vibration measuring set based on Android platform mobile phone as claimed in claim 1, characterized by further comprising and CPU(1) be connected coordinate display module (7), output module (8), display module (7) is at mobile phone display screen display measurement and analysis result, and output module (8) comprises one or both in SD card, bluetooth link block.
6. application rights requires the detection method of the vibration measuring set based on Android platform mobile phone described in 1, it is characterized in that comprising following detecting step:
1) mobile phone body (9) display screen is upwards left standstill, measure the attitude parameter of mobile phone body (9) in the horizontal system of coordinates by attitude measurement module (2): Azimuth angle, Pitch angle and Roll angle;
2) utilize the measurement data of step 1), adjust the position of mobile phone body (9) by attitude adjusting module (3), make Azimuth angle, Pitch angle and Roll angle is zero simultaneously, is adjusted to horizontal level by mobile phone body (9);
3) in step 2) horizontal level that obtains, measure mobile phone body (9) Z-direction acceleration in local Descartes's rectangular coordinate system by acceleration analysis module (4), i.e. vertical acceleration;
4) transducer calibration module (5) utilizes the vertical acceleration information and the A/W acceleration ratio that in step 3), record to obtain acceleration correction coefficient, realizes the demarcation to acceleration analysis module (4);
5) described vibration measuring set is rigidly fixed to testee surface, adjusts vibration measuring set and make its local Descartes's rectangular coordinate system orientation consistent with the direction of measuring vibrations;
6) start detection program, records the 3-axis acceleration of mobile phone body (9) in local Descartes's rectangular coordinate system in real time by acceleration analysis module (4);
7) adopt the acceleration correction coefficient obtaining in step 4) to revise the measured 3-axis acceleration of step 6);
8) vibration survey data processing module (6) utilizes the 3-axis acceleration measurement modified value that step 7) obtains to analyze acquisition vibration survey result.
7. the detection method of the vibration measuring set based on Android platform mobile phone as claimed in claim 6, it is characterized in that its detecting step also comprise by with CPU(1) be connected coordinate display module (7) display measurement and analysis result in mobile phone display screen, by with CPU(1) be connected coordinate output module (8) measurement and analysis result are transported to external equipment, output module (8) comprises one or both in SD card, bluetooth link block.
8. the detection method of the vibration measuring set based on Android platform mobile phone as claimed in claim 6, it is characterized in that described attitude adjusting module (3) comprises the bracing frame (3a) and the one group of feet (3b) that connect cooperation, the bottom connection of feet (3b) arranges adjusting nut (3c), the upper snak link (3d) that is provided for fixing mobile phone body (9) that connects of bracing frame (3a).
9. the detection method of the vibration measuring set based on Android platform mobile phone as claimed in claim 6, it is characterized in that described vibration survey data processing module (6) comprises that parameter arranges module, vibration analysis module, parameter arranges module for vibration measuring parameters is set, vibration survey result parameter, systematic parameter, wherein: vibration measuring parameters comprises measurement range, sample frequency, resolution, measuring accuracy, normal acceleration of gravity, vibration survey result parameter involving vibrations acceleration, acceleration, speed, displacement, A95, V95, vibration peak peak value, speed peak-to-peak value, systematic parameter comprises triggering mode, Measuring Time, measurement data preservation position, vibration analysis module comprises the speed numerical value that the acceleration collecting is obtained to measured body vibration to time integral, this speed numerical value is obtained to the displacement information of measured body to time integral, obtain the time changing curve of acceleration, speed, displacement by plotter program, computational analysis obtains vibration parameters A95, V95, vibration peak peak value, speed peak-to-peak value.
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| GB2519120B (en) * | 2013-10-10 | 2017-10-18 | Abb Ltd | Methods and apparatus relating to measurement instruments |
| CN108646932B (en) * | 2018-04-20 | 2021-11-26 | 歌尔股份有限公司 | Vibration detection method and device for electronic equipment and electronic equipment |
| CN111707453B (en) * | 2018-07-24 | 2022-11-04 | 广州柏曼光电科技有限公司 | Light source testing method and system |
| CN111479008A (en) * | 2019-01-24 | 2020-07-31 | 新奥数能科技有限公司 | Method for detecting vibration parameters based on smart phone, smart phone and service system |
| CN111829742A (en) * | 2019-03-29 | 2020-10-27 | Oppo（重庆）智能科技有限公司 | Electronic equipment vibration testing method and device, electronic equipment and storage medium |
| CN113252030A (en) * | 2021-03-19 | 2021-08-13 | 浙江大学 | A AGV motion parameter measuring apparatu for on AGV |
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