CN109282892A - It is a kind of for measuring the device and method of mechanical equipment vibration situation - Google Patents
It is a kind of for measuring the device and method of mechanical equipment vibration situation Download PDFInfo
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- CN109282892A CN109282892A CN201810034460.4A CN201810034460A CN109282892A CN 109282892 A CN109282892 A CN 109282892A CN 201810034460 A CN201810034460 A CN 201810034460A CN 109282892 A CN109282892 A CN 109282892A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
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- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
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Abstract
The present invention relates to field of computer technology, specifically a kind of for measuring the device and method of mechanical equipment vibration situation, described device includes tri- axis vibration sensor of MEMS, MCU master controller, A/D conversion module and spi bus.The invention has the advantages that 1) present apparatus had both been able to achieve the digital data acquisition of sensing data, the acquisition of analog quantity also may be implemented；2) present apparatus utilizes a variety of data analysing methods, is shown to the vibration state of mechanical equipment from various dimensions；3) present apparatus has interface abundant, has both been able to achieve the Ethernet transmission of data, and the RS485 transmission of data also may be implemented.
Description
Technical field
It is specifically a kind of for measuring device and the side of mechanical equipment vibration situation the present invention relates to field of computer technology
Method.
Background technique
Mechanical equipment is the key equipment in industrial production, is widely used in the departments such as mine, electric power, metallurgy, to enterprise
Safety in production and its important, but mechanical equipment often will appear various failures, or even cause the injures and deaths of personnel, and
And the lasting inspection of staff and on duty is needed in the process of running, human cost is considerably increased, enterprise is seriously reduced
The efficiency of production.
The generation of above situation can be effectively reduced by carrying out vibration monitoring to mechanical equipment, guarantee that the safety of machinery equipment is high
Effect operation, vibration is the main performance of mechanical equipment fault, and different types of mechanical breakdown can have not on vibration signal
The performance of same frequency and amplitude, by being monitored to vibration signal, and it is for further analysis to collected vibration information
And processing, it will be able to whether the operating status for grasping equipment at any time normal, development trend how etc., by vibration information into
Row analysis obtains these information of equipment, it will be able to the warning information of equipment is obtained before mechanical equipment breaks down, in time
It finds the problem, and is subject to maintenance and repair in advance, to effectively avoid the generation of major accident.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of collection machinery vibration equipment data simultaneously
Mechanical equipment vibration situation is carried out multi-dimensional data displaying using various analysis by analog signal and digital signal, and can be with
Realize the method for Ethernet transmission and the RS485 transmission of data and the device using this method.
In order to achieve the above object, the device and side that the present invention provides a kind of for measuring mechanical equipment vibration situation
Method,
Described device includes tri- axis vibration sensor of MEMS, MCU master controller, A/D conversion module and spi bus,
In:
The analog signal and digital signal of the tri- axis vibration sensor collection machinery vibration equipment data of MEMS；
The A/D conversion module acquires vibrating sensor analog signal, and the A/D conversion module is using single-ended mode and utilizes
PIT trigger source is triggered；
The spi bus acquires above-mentioned digital signal and is transmitted to the MCU master controller；
The MCU master controller parses the vibration data received, and voltage value is converted to acceleration value, and according to
It is secondary that data filtering, Fourier transformation are carried out to the acceleration value, the frequency data of mechanical equipment vibration data are extracted, and to this
Frequency data carry out the displacement that integral obtains vibration；
The MCU master controller connection is for realizing the quick DMA for transmitting vibration data, ethernet communication module, realization
The RS485 and UART, power supply of data transmission.The spi bus is made of CLK, MOSI, MISO, is responsible for the vibration of collection machinery equipment
Dynamic data digital signal.
Tri- axis vibration sensor of MEMS possesses wide range, high-resolution, bandwidth height, extra small ultra thin dimensions, drops significantly
The low space hold of whole device.
Preferably, the DMA controls data transmission stream journey using transmission descriptor TCD, the TCD in a manner of chained list into
The automatic load of row.
Further, described device is created two TCD using Scatter/Gather Mode and completed from a source address
Data-moving is carried out to different destination addresses.DMA mainly realizes the quick transmission of vibration data, uses transmission descriptor TCD
(Transfer Control Descriptor) controls data transmission stream journey, and TCD can be worked in a manner of chained list, from
And TCD next in chained list is loaded automatically, this covering device uses Scatter/Gather Mode, create two TCD complete from
One source address carries out data-moving to different destination addresses.
Preferably, the ethernet communication module supports the network formats including 10/100/1000Mbps.
Preferably, it is embedded with ICP/IP protocol stack inside the MCU master controller, supports to include realizing to hand over other equipment
Mutually, various application protocols are parsed and realizes HTTP, HTTPS, FTP, MQTT Internet protocol and OPC- of the high-speed transfer of data
UA, PROFInet industrial automation protocol.
It is embedded with ICP/IP protocol stack inside MCU master controller, the interconnection such as supports but be not limited to HTTP, HTTPS, FTP, MQTT
The industrial automation protocols such as OPC-UA, PROFInet are supported but be not limited to fidonetFido, and realization is interacted with other equipment, and parsing is each
Kind application protocol, realizes the high-speed transfer of data.
RS485 mainly realizes the transmission of data, since the UART message transmission rate of MCU cannot be excessively high, and transmission range
It is limited, RS485 communication is converted to by conversion module, maximum transfer speed can achieve 10Mb/s or more, simultaneously because RS485
Using Differencing communication mode, anti-interference ability is greatly increased, and transmission range farthest can achieve a km or more.
Power supply is independent current source for being electrically accessed form, and modules provide energy and support independent current source confession in fexible unit
Electricity, while may be that each expansion module exports energy supply.
The invention has the advantages that
1) present apparatus had both been able to achieve the digital data acquisition of sensing data, and the acquisition of analog quantity also may be implemented；
2) present apparatus utilizes a variety of data analysing methods, is shown to the vibration state of mechanical equipment from various dimensions；
3) present apparatus has interface abundant, has both been able to achieve the Ethernet transmission of data, and the RS485 that data also may be implemented is passed
It is defeated.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of circuit board in the present invention；
Fig. 2 is the method flow diagram of MCU master controller in the present invention.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
Embodiment 1:
A kind of for measuring the device and method of mechanical equipment vibration situation as shown in FIG. 1 to FIG. 2, described device includes
Tri- axis vibration sensor of MEMS, MCU master controller, A/D conversion module and spi bus, in which:
The analog signal and digital signal of the tri- axis vibration sensor collection machinery vibration equipment data of MEMS；
The A/D conversion module acquires vibrating sensor analog signal, and the A/D conversion module is using single-ended mode and utilizes
PIT trigger source is triggered；
The spi bus acquires above-mentioned digital signal and is transmitted to the MCU master controller；
The MCU master controller parses the vibration data received, and voltage value is converted to acceleration value, and according to
It is secondary that data filtering, Fourier transformation are carried out to the acceleration value, the frequency data of mechanical equipment vibration data are extracted, and to this
Frequency data carry out the displacement that integral obtains vibration；
The MCU master controller connection is for realizing the quick DMA for transmitting vibration data, ethernet communication module, realization
The RS485 and UART, power supply of data transmission.
The DMA controls data transmission stream journey using transmission descriptor TCD, and the TCD is carried out automatically in a manner of chained list
Load.
Described device is created two TCD using Scatter/Gather Mode and completed from a source address to different mesh
Address carry out data-moving.
The ethernet communication module supports the network formats including 10/100/1000Mbps.
The MCU master controller inside is embedded with ICP/IP protocol stack, supports to include realizing interact, parsed respectively with other equipment
HTTP, HTTPS, FTP, MQTT Internet protocol and OPC-UA of the high-speed transfer of kind application protocol and realization data,
PROFInet industrial automation protocol.
The preferred embodiment of the present invention has been described in detail above, but the invention be not limited to it is described
Embodiment, those skilled in the art can also make various etc. on the premise of not violating the inventive spirit of the present invention
Same variation or replacement, these equivalent modifications or replacement are all included in the scope defined by the claims of the present application.
Claims (5)
1. a kind of for measuring the device and method of mechanical equipment vibration situation, which is characterized in that
Described device includes tri- axis vibration sensor of MEMS, MCU master controller, A/D conversion module and spi bus, in which:
The analog signal and digital signal of the tri- axis vibration sensor collection machinery vibration equipment data of MEMS；
The A/D conversion module acquires vibrating sensor analog signal, and the A/D conversion module is using single-ended mode and utilizes PIT
Trigger source is triggered；
The spi bus acquires above-mentioned digital signal and is transmitted to the MCU master controller；
The MCU master controller parses the vibration data received, voltage value is converted to acceleration value, and successively right
The acceleration value carries out data filtering, Fourier transformation, extracts the frequency data of mechanical equipment vibration data, and to the frequency
Data carry out the displacement that integral obtains vibration；
The MCU master controller connection is for realizing the DMA of quick transmission vibration data, ethernet communication module, realization data
RS485 and UART, the power supply of transmission.
2. according to claim 1 for measuring the device and method of mechanical equipment vibration situation, which is characterized in that described
DMA control data transmission stream journey using transmission descriptor TCD, the TCD loaded automatically in a manner of chained list.
3. according to claim 2 for measuring the device and method of mechanical equipment vibration situation, which is characterized in that described
Device is created two TCD completions using Scatter/Gather Mode and is counted from a source address to different destination addresses
According to moving.
4. according to claim 1 for measuring the device and method of mechanical equipment vibration situation, which is characterized in that described
Ethernet communication module support include 10/100/1000Mbps network formats.
5. according to claim 1 for measuring the device and method of mechanical equipment vibration situation, which is characterized in that described
ICP/IP protocol stack is embedded with inside MCU master controller, support include realize interacted with other equipment, parse various application protocols and
Realize HTTP, HTTPS, FTP, MQTT Internet protocol and OPC-UA, PROFInet industrial automation of the high-speed transfer of data
Agreement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810034460.4A CN109282892A (en) | 2018-01-15 | 2018-01-15 | It is a kind of for measuring the device and method of mechanical equipment vibration situation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810034460.4A CN109282892A (en) | 2018-01-15 | 2018-01-15 | It is a kind of for measuring the device and method of mechanical equipment vibration situation |
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| Publication Number | Publication Date |
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| CN109282892A true CN109282892A (en) | 2019-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810034460.4A Pending CN109282892A (en) | 2018-01-15 | 2018-01-15 | It is a kind of for measuring the device and method of mechanical equipment vibration situation |
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Citations (7)
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| CN101493355A (en) * | 2009-02-18 | 2009-07-29 | 长沙全程数字机电科技有限公司 | Integration oscillation monitoring instrument |
| CN101614581A (en) * | 2008-12-30 | 2009-12-30 | 长沙全程数字机电科技有限公司 | Low-frequency structure vibration monitor |
| CN101902831A (en) * | 2010-06-30 | 2010-12-01 | 太原理工大学 | Node in wireless sensor network, applicable to detection of mechanical equipment vibration |
| CN202734957U (en) * | 2012-08-20 | 2013-02-13 | 上海理工大学 | GPRS wireless measuring device for triaxial vibration acceleration |
| CN105092019A (en) * | 2015-08-17 | 2015-11-25 | 东北大学 | MEMS (Micro-Electro-Mechanical System) sensor and method for testing omni-directional vibration signals |
| CN106507271A (en) * | 2016-09-29 | 2017-03-15 | 北京科技大学 | A kind of industrial machinery vibration signals collecting method |
| CN206877091U (en) * | 2017-05-24 | 2018-01-12 | 昆明理工大学 | A kind of gear of wind driven generator remote failure monitoring system |
-
2018
- 2018-01-15 CN CN201810034460.4A patent/CN109282892A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101614581A (en) * | 2008-12-30 | 2009-12-30 | 长沙全程数字机电科技有限公司 | Low-frequency structure vibration monitor |
| CN101493355A (en) * | 2009-02-18 | 2009-07-29 | 长沙全程数字机电科技有限公司 | Integration oscillation monitoring instrument |
| CN101902831A (en) * | 2010-06-30 | 2010-12-01 | 太原理工大学 | Node in wireless sensor network, applicable to detection of mechanical equipment vibration |
| CN202734957U (en) * | 2012-08-20 | 2013-02-13 | 上海理工大学 | GPRS wireless measuring device for triaxial vibration acceleration |
| CN105092019A (en) * | 2015-08-17 | 2015-11-25 | 东北大学 | MEMS (Micro-Electro-Mechanical System) sensor and method for testing omni-directional vibration signals |
| CN106507271A (en) * | 2016-09-29 | 2017-03-15 | 北京科技大学 | A kind of industrial machinery vibration signals collecting method |
| CN206877091U (en) * | 2017-05-24 | 2018-01-12 | 昆明理工大学 | A kind of gear of wind driven generator remote failure monitoring system |
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Application publication date: 20190129 |