CN105632137A - MEMS-based integrated scooter vibration data acquisition system - Google Patents
MEMS-based integrated scooter vibration data acquisition system Download PDFInfo
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- CN105632137A CN105632137A CN201410593301.XA CN201410593301A CN105632137A CN 105632137 A CN105632137 A CN 105632137A CN 201410593301 A CN201410593301 A CN 201410593301A CN 105632137 A CN105632137 A CN 105632137A
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Abstract
The invention relates to the field of engineering test data acquisition, specifically to an MEMS-based integrated scooter vibration data acquisition system. The system comprises an MEMS six-axis attitude sensor, an MEMS three-axis acceleration sensor, a sound sensor, a CAN interface, an ARM11 processor, SD card storage equipment, a wireless module, a filtering conditioning module, a power supply control module, a nickel-hydrogen battery pack and its charge control module. The MEMS six-axis attitude sensor and the CAN interface are successively connected to an ARM signal input end. The sound sensor is successively connected to an ARM audio bus through an audio compression chip. The filtering conditioning module is connected to an ARM analog input end. A SD card is connected to a SD bus of an ARM. The wireless module is connected to a USB data port of the ARM. The MEMS six-axis attitude sensor is used for acquiring vibration motion hybrid acceleration and temperature of motion equipment and outputting in digital value through a SPI bus. Operation data of equipment is acquired at real time through the motion equipment data acquisition system, data acquisition and transmission problems are solved, and motion equipment is monitored at real time.
Description
[technical field]
The present invention relates to engineering test data collecting field, specifically a kind of integrated sleigh vibrating data collection system based on MEMS for large-scale sports equipments such as sleighs.
[background technology]
In recent years, raising along with scientific and technological progress and living standards of the people, recreation ground develops to variation, maximization gradually from unification, miniaturization, sleigh class recreation facility is just towards adopting high-tech, to high-altitude, at a high speed, more irritating direction develop, its design is more attractive in appearance, luxurious, but meanwhile these sports equipments time have fault to occur, also once there is the accident that the reason such as power failure, derailing causes, the safety of life and property of serious threat people in domestic many recreation grounds.
Traditional data collecting system is made up of special data collecting card and master computer, master computer must equipped with the software system of special corresponding capture card, the conditioning plate that the analog signals of sensor output need to be specifically designed carries out conditioning filtering, and sensing data is sent data to master computer by the mode of the wired connection such as USB or pci bus by capture card. For large-scale recreation facility, large-scale engineering machineries such as sleighs, existing acquisition system cannot meet requirement, and equipment is in long-term uninterrupted operation state on the one hand, and acquisition system must possess Quick Acquisition mass data, quick storage and the ability such as be wirelessly transferred; Additionally collecting cassette needs self-powered, automatic charging and automatically carry out power management, and need that volume is little, shock resistance, degree of protection high, the functions such as self diagnosis can be realized, cable data acquisition system traditional at present can not meet far away requirements above.
[summary of the invention]
A kind of integral type of it is an object of the invention to design based on solving the problem of above traditional finite data acquisition system, self-powered and can Autonomous Control power supply, multiplex roles and the strong data collecting system based on ARM11 of data-handling capacity.
To achieve these goals, design a kind of integrated sleigh vibrating data collection system based on MEMS, including MEMS six axle attitude transducer, MEMS 3-axis acceleration sensor, sound transducer, CAN interface, ARM11 processor, SD card memory appts, wireless module, filtering conditioning module, energy supply control module, Ni-MH battery group and charge control module thereof, described MEMS6 axle attitude transducer, CAN interface is connected with ARM signal input part successively, described sound transducer enters audio compression chip successively and is connected with ARM audio-frequency bus, described filtering conditioning module is connected with ARM analog input end, described SD card is connected with the SD bus of ARM, described wireless module is connected with the usb data port of ARM, described MEMS six axle attitude transducer, for gathering oscillating movement mixing acceleration and the temperature of sports equipment, and export through spi bus with digital quantity, described energy supply control module, for controlling power supply, including MEMS 3-axis acceleration sensor and microcontroller, described filtering conditioning module, analogue signal is amplified by amplifier and translates, and by the low-pass filtering treatment of controlled cut-off frequency, obtain being suitable for the ARM voltage signal processed, described charge control module, Charge Management for Ni-MH battery group, battery voltage monitoring and malfunction monitoring.
Described MEMS six axle sensor is realized by MPU6000 chip, integrated chip three-axis gyroscope, 3-axis acceleration and temperature sensor, built-in chip type 16bitAD transducer, 16 bit data outputs, communication mode is standard IIC or SPI communication agreement, gyroscope scope: �� 250,500,1000,2000 ��/s, acceleration range: �� 2, �� 4, �� 8, �� 16g, built-in programmable low pass filter, sample frequency scope: 1KHz to 8KHz.
Described analog quantity filtering conditioning module is by MAX4094 amplifier and MAX7405 capacitive filter, MAX7405 is the eight rank Low-pass Elliptic Filters being made up of SCF, + 3V single supply is powered, adopt the mode that input clock frequency controls output corner frequency that signal is filtered, clock to corner frequency than for 100:1, corner frequency ranges for 1Hz��5kHz, at the rearmounted RC filter circuit of filtering chip, constitute simulation multiple feedback type secondary active low-pass filter, the clock signal of filtering doping is filtered, filtered signal accesses the ADC port of ARM, due to agitator, wave filter, sensor voltage higher limit is 5V, and the ADC port voltage higher limit of ARM is 3.3V, therefore 3.3V voltage amplitude limit must be carried out before input.
The clock signal of ARM is by arranging the pwm signal of the exportable 16.1kHz to 33.0MHz of value of one-level pre-divider and two grades of frequency dividers, this pwm signal is as the input clock of frequency overlapped-resistable filter MAX7405, to arrange filter cutoff frequency, sensor is exported signal by ADC and performs signal sequence sampling by ARM, S3C6410 has 4 Channel 12-Bit ADC, and highest frequency is up to 5MHz.
Power source charges controls module and is made up of LTC4011 charging management chip and application circuit thereof, acquisition terminal is internal adopts 8 single Ni-MH battery groups, built-in temperature control critesistor, tetra-kinds of states of CHRG, FAULT, READY, TOC of LTC4011 are connected with ARM by GPIO mouth, and module has automatic charging and online control function.
Described system includes power-supply management system can complete the start vibration detection of plant equipment, automatically opens up main power source and carries out data acquisition, and module is made up of 3-axis acceleration sensor, microcontroller and switch chip.
The invention have the advantage that the present invention is that the running state data collection to sports equipment is set about, sports equipment data collecting system is for the service data of Real-time Collection equipment, based on its motion and vibration signal, and it is aided with other physical quantitys such as sound, by the acceleration that will gather, the data such as oil temperature oil pressure and audio frequency are transferred to system, process then through monitoring machine software analysis, and communicate with computer, effectively solve data acquisition and transmission problem, whether judgment device is run abnormal, reach the operation conditions of monitor in real time sports equipment, realize purpose equipment operation failure being detected and diagnosing, make a policy in time offer reference frame for equipment.
[accompanying drawing explanation]
Fig. 1 is principles of the invention figure schematic diagram;
Fig. 2 is the control principle drawing of energy supply control module in the present invention;
Specify Fig. 1 as the Figure of abstract of the present invention.
[detailed description of the invention]
Below in conjunction with accompanying drawing, the invention will be further described, the structure of this device and principle for the people of this specialty it is quite clear that. Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention.
As shown in Figure 1, the present invention is based on the ARM11 data collecting system of MEMS, including data collection station, relay communications equipment, ground installation, data collection station is based on the integration collection system of ARM11 technology, including MEMS six axle attitude transducer, MEMS 3-axis acceleration sensor, sound transducer, CAN interface, ARM11 processor, SD card memory appts, wireless module, filtering conditioning module, energy supply control module, Ni-MH battery group and charge control module thereof.
MEMS6 axle attitude transducer, CAN interface are connected with ARM signal input part successively, sound transducer enters audio compression chip successively and is connected with ARM audio-frequency bus, filtering conditioning module is connected with ARM analog input end, SD card is connected with the SD bus of ARM, and wireless module is connected with the usb data port of ARM.
ARM11 adopts the S3C6410 processor of Samsung company, the interface such as integrated SPI, USB, SD, Mic, and operating system is embedded WINCE 5.0, and bottom layer driving and application program adopt EVC++ to write.
MEMS six axle sensor is realized by the MPU6000 chip of Invensense company. This integrated chip three-axis gyroscope, 3-axis acceleration and temperature sensor, built-in chip type 16bitAD transducer, 16 bit data outputs. Communication mode: standard IIC or SPI communication agreement, compared to traditional iic bus mode, the present invention has sampled spi bus more at a high speed, meets real-time large-scale data transmission requirement. Gyroscope scope: �� 250,500,1000,2000 ��/s, acceleration range: �� 2, �� 4, �� 8, �� 16g, equal PLC technology, built-in programmable low pass filter, sample frequency scope: 1KHz to 8KHz.
MEMS sensor is by optional SPI or the IIC communication mode of the level configuring chip select pin, and the present invention adopts the spi bus that speed is higher. Trunking traffic is by wireless routing networking, and ground installation is used for analyzing and processing data.
Analog quantity filtering conditioning module is by MAX4094 amplifier and MAX7405 capacitive filter. MAX7405 is the eight rank Low-pass Elliptic Filters being made up of SCF, + 3V single supply is powered, adopting the mode that input clock frequency controls output corner frequency that signal is filtered, clock is to corner frequency ratio for 100:1, and corner frequency ranges for 1Hz��5kHz. At the rearmounted RC filter circuit of filtering chip, constitute simulation multiple feedback type secondary active low-pass filter, the clock signal of filtering doping is filtered. Filtered signal accesses the ADC port of ARM, and owing to agitator, wave filter, sensor voltage higher limit are 5V, and the ADC port voltage higher limit of ARM is 3.3V, therefore must carry out 3.3V voltage amplitude limit before input.
The clock signal of ARMS3C6410 is by arranging the pwm signal of the exportable 16.1kHz to 33.0MHz of value of one-level pre-divider and two grades of frequency dividers, and this pwm signal is as the input clock of frequency overlapped-resistable filter MAX7405, to arrange filter cutoff frequency. Sensor is exported signal by ADC and performs signal sequence sampling by ARM. S3C6410 has 4 Channel 12-Bit ADC, and highest frequency is up to 5MHz. The data that sensor obtains are processed by arm processor, and filtering conditioning module is used for processing analog signals, and ARM and ground installation exchange data and control signal by wireless device.
Power source charges controls module and is made up of LTC4011 charging management chip and application circuit thereof, and the acquisition terminal of the present invention is internal adopts 8 single Ni-MH battery groups, built-in temperature control critesistor. Tetra-kinds of states of CHRG, FAULT, READY, TOC of LTC4011 are connected with ARM by GPIO mouth, make module have the function such as automatic charging and online control.
As shown in Figure 2, power-supply management system can complete the start vibration detection of plant equipment, automatically opening up main power source and carry out data acquisition, module is made up of Freescale MMA7455L 3-axis acceleration sensor, MC9S08QG8 microcontroller and BTS6123B power switch chip.
The sensing unit of motion detection is MMA7455L acceleration transducer, for highly sensitive vibrating sensor, digital output (IIC or SPI), there is programmable threshold interrupt output, small movements can be carried out, the detection identification of vibration etc., sensing range be �� 2g, �� 4g, �� 8g, correspondence sensitivity is 64,32,16LSB/g.
The single-chip microcomputer of power management plate and acceleration transducer need 3.3V to power, need efficiently, the voltage-stabilizing device that volume is little, linear voltage regulator L78L12 and SPX3819M5 two-stage chip is selected to turn the voltage-stabilizing device of 3.3V as 24V, there is the various ways power supplys such as 24V, 5V, 3.3V with in car device, LM2596 type regulator is selected to turn the voltage-stabilizing device of 5V as 24V, the 3.3V power supply of ARM peripheral components and ARM core board is independently-powered, all selects Texas Instrument RGE1117-3.3 type low pressure difference linearity regulated power supply.
Claims (6)
1. the integrated sleigh vibrating data collection system based on MEMS, including MEMS six axle attitude transducer, MEMS 3-axis acceleration sensor, sound transducer, CAN interface, ARM11 processor, SD card memory appts, wireless module, filtering conditioning module, energy supply control module, Ni-MH battery group and charge control module thereof, it is characterized in that described MEMS6 axle attitude transducer, CAN interface is connected with ARM signal input part successively, described sound transducer enters audio compression chip successively and is connected with ARM audio-frequency bus, described filtering conditioning module is connected with ARM analog input end, described SD card is connected with the SD bus of ARM, described wireless module is connected with the usb data port of ARM, described MEMS six axle attitude transducer, for gathering oscillating movement mixing acceleration and the temperature of sports equipment, and export through spi bus with digital quantity, described energy supply control module, for controlling power supply, including MEMS 3-axis acceleration sensor and microcontroller, described filtering conditioning module, analogue signal is amplified by amplifier and translates, and by the low-pass filtering treatment of controlled cut-off frequency, obtain being suitable for the ARM voltage signal processed, described charge control module, Charge Management for Ni-MH battery group, battery voltage monitoring and malfunction monitoring.
2. a kind of integrated sleigh vibrating data collection system based on MEMS as claimed in claim 1, it is characterized in that described MEMS six axle sensor is realized by MPU6000 chip, integrated chip three-axis gyroscope, 3-axis acceleration and temperature sensor, built-in chip type 16bitAD transducer, 16 bit data outputs, communication mode is standard IIC or SPI communication agreement, gyroscope scope: �� 250,500,1000,2000 ��/s, acceleration range: �� 2, �� 4, �� 8, �� 16g, built-in programmable low pass filter, sample frequency scope: 1KHz to 8KHz.
3. a kind of integrated sleigh vibrating data collection system based on MEMS as claimed in claim 1, it is characterized in that described analog quantity filtering conditioning module is by MAX4094 amplifier and MAX7405 capacitive filter, MAX7405 is the eight rank Low-pass Elliptic Filters being made up of SCF, + 3V single supply is powered, adopt the mode that input clock frequency controls output corner frequency that signal is filtered, clock to corner frequency than for 100:1, corner frequency ranges for 1Hz��5kHz, at the rearmounted RC filter circuit of filtering chip, constitute simulation multiple feedback type secondary active low-pass filter, the clock signal of filtering doping is filtered, filtered signal accesses the ADC port of ARM, due to agitator, wave filter, sensor voltage higher limit is 5V, and the ADC port voltage higher limit of ARM is 3.3V, therefore 3.3V voltage amplitude limit must be carried out before input.
4. a kind of integrated sleigh vibrating data collection system based on MEMS as claimed in claim 1, it is characterized in that the clock signal of ARM is by arranging the pwm signal of the exportable 16.1kHz to 33.0MHz of value of one-level pre-divider and two grades of frequency dividers, this pwm signal is as the input clock of frequency overlapped-resistable filter MAX7405, to arrange filter cutoff frequency, sensor is exported signal by ADC and performs signal sequence sampling by ARM, S3C6410 has 4 Channel 12-Bit ADC, and highest frequency is up to 5MHz.
5. a kind of integrated sleigh vibrating data collection system based on MEMS as claimed in claim 1, it is characterized in that power source charges controls module and is made up of LTC4011 charging management chip and application circuit thereof, acquisition terminal is internal adopts 8 single Ni-MH battery groups, built-in temperature control critesistor, tetra-kinds of states of CHRG, FAULT, READY, TOC of LTC4011 are connected with ARM by GPIO mouth, and module has automatic charging and online control function.
6. a kind of integrated sleigh vibrating data collection system based on MEMS as claimed in claim 1, it is characterized in that described system includes power-supply management system and can complete the start vibration detection of plant equipment, automatically opening up main power source and carry out data acquisition, module is made up of 3-axis acceleration sensor, microcontroller and switch chip.
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| CN201410593301.XA CN105632137A (en) | 2014-10-29 | 2014-10-29 | MEMS-based integrated scooter vibration data acquisition system |
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| CN201410593301.XA CN105632137A (en) | 2014-10-29 | 2014-10-29 | MEMS-based integrated scooter vibration data acquisition system |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106094630A (en) * | 2016-06-30 | 2016-11-09 | 南京中车浦镇城轨车辆有限责任公司 | A kind of rail vehicle debugging signal automatic acquisition device |
| CN106201977A (en) * | 2016-08-17 | 2016-12-07 | 中国海洋石油总公司 | Deepwater Risers integral type data acquisition unit |
| CN106441555A (en) * | 2016-11-04 | 2017-02-22 | 恒信大友（北京）科技有限公司 | High-performance dynamic characteristic tester for high-speed motion member |
| CN106448121A (en) * | 2016-12-12 | 2017-02-22 | 北京强度环境研究所 | Wireless sensor |
| CN107065689A (en) * | 2017-05-27 | 2017-08-18 | 广东天物新材料科技有限公司 | A kind of novel electric vehicle electric supply installation |
| CN109540123A (en) * | 2018-11-22 | 2019-03-29 | 奇瑞汽车股份有限公司 | Vehicle and its sensing device, track determine system |
| CN110537150A (en) * | 2017-04-11 | 2019-12-03 | 菲尼克斯电气公司 | For monitoring the status monitor device of mechanical machine parts state |
| CN112834814A (en) * | 2021-01-06 | 2021-05-25 | 四川升拓检测技术股份有限公司 | System for sampling engineering measurement sensing signal and using method |
| CN113720439A (en) * | 2021-08-19 | 2021-11-30 | 广东汇天航空航天科技有限公司 | Vibration monitoring circuit and flight equipment |
| CN113916346A (en) * | 2021-11-14 | 2022-01-11 | 广东电网有限责任公司江门供电局 | Power distribution equipment identification method with triaxial vibration attitude data judgment function |
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2014
- 2014-10-29 CN CN201410593301.XA patent/CN105632137A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106094630A (en) * | 2016-06-30 | 2016-11-09 | 南京中车浦镇城轨车辆有限责任公司 | A kind of rail vehicle debugging signal automatic acquisition device |
| CN106201977A (en) * | 2016-08-17 | 2016-12-07 | 中国海洋石油总公司 | Deepwater Risers integral type data acquisition unit |
| CN106441555A (en) * | 2016-11-04 | 2017-02-22 | 恒信大友（北京）科技有限公司 | High-performance dynamic characteristic tester for high-speed motion member |
| CN106448121A (en) * | 2016-12-12 | 2017-02-22 | 北京强度环境研究所 | Wireless sensor |
| CN110537150A (en) * | 2017-04-11 | 2019-12-03 | 菲尼克斯电气公司 | For monitoring the status monitor device of mechanical machine parts state |
| CN107065689A (en) * | 2017-05-27 | 2017-08-18 | 广东天物新材料科技有限公司 | A kind of novel electric vehicle electric supply installation |
| CN109540123A (en) * | 2018-11-22 | 2019-03-29 | 奇瑞汽车股份有限公司 | Vehicle and its sensing device, track determine system |
| CN112834814A (en) * | 2021-01-06 | 2021-05-25 | 四川升拓检测技术股份有限公司 | System for sampling engineering measurement sensing signal and using method |
| CN113720439A (en) * | 2021-08-19 | 2021-11-30 | 广东汇天航空航天科技有限公司 | Vibration monitoring circuit and flight equipment |
| CN113720439B (en) * | 2021-08-19 | 2023-08-18 | 广东汇天航空航天科技有限公司 | Vibration monitoring circuit and flight equipment |
| CN113916346A (en) * | 2021-11-14 | 2022-01-11 | 广东电网有限责任公司江门供电局 | Power distribution equipment identification method with triaxial vibration attitude data judgment function |
| CN113916346B (en) * | 2021-11-14 | 2023-11-17 | 广东电网有限责任公司江门供电局 | Distribution equipment identification method with triaxial vibration attitude data judgment function |
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Application publication date: 20160601 |