CN108955867A - A kind of multichannel remote oscillation signal monitor and monitor system - Google Patents
A kind of multichannel remote oscillation signal monitor and monitor system Download PDFInfo
- Publication number
- CN108955867A CN108955867A CN201810830877.1A CN201810830877A CN108955867A CN 108955867 A CN108955867 A CN 108955867A CN 201810830877 A CN201810830877 A CN 201810830877A CN 108955867 A CN108955867 A CN 108955867A
- Authority
- CN
- China
- Prior art keywords
- module
- multichannel
- vibration signal
- data
- monitor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000010355 oscillation Effects 0.000 title claims abstract description 40
- 238000006243 chemical reaction Methods 0.000 claims abstract description 17
- 239000013078 crystal Substances 0.000 claims abstract description 8
- 230000003321 amplification Effects 0.000 claims description 34
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 34
- 230000006870 function Effects 0.000 claims description 12
- 230000001133 acceleration Effects 0.000 claims description 6
- 230000003750 conditioning effect Effects 0.000 claims description 6
- 238000013461 design Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 238000012800 visualization Methods 0.000 claims description 3
- 238000004458 analytical method Methods 0.000 abstract description 6
- 238000012544 monitoring process Methods 0.000 description 25
- 238000012545 processing Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000003745 diagnosis Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 238000010338 mechanical breakdown Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- VIKNJXKGJWUCNN-XGXHKTLJSA-N norethisterone Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 VIKNJXKGJWUCNN-XGXHKTLJSA-N 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000010183 spectrum analysis Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
- G01H11/06—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means
- G01H11/08—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means using piezoelectric devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
- G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
- G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
- G01P15/09—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by piezoelectric pick-up
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a kind of multichannel remote oscillation signal monitor and monitor systems, monitor system includes host computer and multichannel remote oscillation signal monitor, host computer includes that host computer prison shows GUI module, monitor includes slave computer, GPRS wireless transport module and power module, upper computer and lower computer is connected by GPRS wireless transport module, and power module provides electric energy for monitor；Slave computer includes single-chip microcontroller, data acquisition module and control display module, and data acquisition module and control display module are connect with single-chip microcontroller respectively, and single-chip microcontroller includes control unit, outside RTC, external crystal-controlled oscillation and EEPROM module；Data acquisition module includes multiple vibration signal sensors, signal condition amplifying circuit and multichannel ADC conversion module；Controlling display module includes TFTLCD touch screen module.The present invention can be achieved multichannel remote oscillation signal analysis prison and show function.
Description
Technical field
The invention belongs to mechanical fault diagnosis field, especially a kind of multichannel remote oscillation signal monitor and prison
Show system.
Background technique
Large rotating machinery structure, such as Turbo-generator Set, turbine-generator units and flue gas turbine expander group, it is common to use sliding
Dynamic bearing supports shaft, and protects system monitoring shaft to the Relative Vibration of bearing by vibration monitoring.Vibration monitoring protection system
System includes two eddy current sensors, is respectively used to the vibration in two channels of measurement.However since two current vortex sensors can only
The vibration signal of two positions of single-measurement mechanical structure, but the structure of different units, operating parameter and bearing film are rigid
The influence for spending anisotropy etc. in a circumferential direction, causes the vibration of both direction usually to have a certain difference, and such as one
A direction vibration is larger, and the vibration of another direction is smaller, this brings one to the alarm of vibration monitoring protection system and abnormal judgement
Fixed difficulty；And monitoring information has to progress real time monitoring and obtains, and can not be further transferred to remote terminal, this gives company
And the work of mechanical equipment actual monitoring is made troubles.
Therefore it needs to design a kind of different location by large rotating machine structure while monitoring its vibration signal, and realize
The multichannel remote oscillation signal monitor of the live real-time display of monitoring information and the processing of long-range real-time online display.
Summary of the invention
Goal of the invention: a purpose is to provide a kind of multichannel remote oscillation signal monitor and monitor system, to solve
The prior art extends vibration signal monitor function with using the existing above problem, improves vibration signal monitor to a variety of
The vibration signal of mechanical structure different location monitors, and measurement is simple accurate, and the failure problems that discovery mechanical structure occurs in time are simultaneously
Monitoring data are transmitted to host computer progress data processing to show, realizes that remote oscillation signal is supervised online and shows.
Technical solution: for achieving the above object, using following technical scheme:
A kind of multichannel remote oscillation signal monitor, including slave computer, GPRS wireless transport module and power module, institute
Stating slave computer includes single-chip microcontroller, data acquisition module, control display module, and the data acquisition module and control display module divide
It is not connect with single-chip microcontroller, single-chip microcontroller includes control unit, outside RTC, external crystal-controlled oscillation and EEPROM module；Data acquisition module packet
Include multiple vibration signal sensors, signal condition amplifying circuit and multichannel ADC conversion module；Controlling display module includes
TFTLCD touch screen module；
GPRS wireless transport module includes SIM900 module and SIM card link block, the SIM900 module and single-chip microcontroller
Connection establishes connection by the server on GPRS network and Internet, collected data is sent to clothes by antenna
Business device；The SIM card link block is electrically connected with SIM900 module, is powered by SIM900 module through overvoltage conditioning circuit；
Power module includes DC power supply drive module and voltage amplification module, and DC power supply drive module exports and voltage
Amplification module input connection, voltage amplification module output end are inputted with control unit power input, TFTLCD touch screen respectively
End is connected with SIM900 modular power source input terminal.
Preferably, the data acquisition module uses multiple vibration signal sensors, while carrying on-chip DMA control
Device measures the radial vibration signal, axial vibration signal and case vibration signal of mechanical device, central diameter for multichannel simultaneously
It is measured simultaneously to vibration signal by the vibration signal of longitudinal and transverse direction both direction.
In another embodiment, a kind of multichannel remote oscillation signal monitor system, including host computer and multichannel are provided
Remote oscillation signal monitor, in which:
Host computer includes that host computer prison shows GUI module；
Multichannel remote oscillation signal monitor includes slave computer, GPRS wireless transport module and power module, under described
Position machine includes single-chip microcontroller, data acquisition module and control display module, and the data acquisition module and control display module are distinguished
It is connect with single-chip microcontroller, single-chip microcontroller includes control unit, outside RTC, external crystal-controlled oscillation and EEPROM module；Data acquisition module includes
Multiple vibration signal sensors, signal condition amplifying circuit and multichannel ADC conversion module；Controlling display module includes TFTLCD
Touch screen module；
GPRS wireless transport module includes SIM900 module and SIM card link block, the SIM900 module and single-chip microcontroller
Connection establishes connection by the server on GPRS network and Internet, collected data is sent to clothes by antenna
Business device；The SIM card link block is electrically connected with SIM900 module, is powered by SIM900 module through overvoltage conditioning circuit；
Power module includes DC power supply drive module and voltage amplification module, and DC power supply drive module exports and voltage
Amplification module input connection, voltage amplification module output end are inputted with control unit power input, TFTLCD touch screen respectively
End is connected with SIM900 modular power source input terminal.
The upper computer and lower computer is connected by GPRS wireless transport module, and power module is monitor power supply.
Preferably, the host computer prison shows that GUI module mainly includes that data reception module, data disaply moudle and data are deposited
Module is stored up, the data reception module listens to the connection from client using TCPListen function in LabView means of communication
Request, and wait GPRS wireless transport module to request by TCP connection in designated port, after establishing connection, utilize TCP Read
The data of function reading terminals transmission, are standard by TCP Read function works mode setting, that is, are waited until reading institute
There are specified byte or " overtime millisecond " to be finished, return to the byte currently read, if reading byte number less than setting
Fixed word joint number, then report mistake；The data that the data disaply moudle will acquire are converted by format, are shown in a tabular form
Registration is according on the visualization interface of plate in front；The data memory module passes through Write To Spreadsheet File letter
Number, writes the data in electrical form for processed offline.
Preferably, the data acquisition module uses multiple vibration signal sensors, while carrying on-chip DMA control
Device measures the radial vibration signal, axial vibration signal and case vibration signal of mechanical device, central diameter for multichannel simultaneously
It is measured simultaneously to vibration signal by the vibration signal of longitudinal and transverse direction both direction.
Preferably, the vibration signal sensor is piezoelectric acceleration transducer.
Preferably, the voltage amplification module is powered by DC power supply drive module, is distinguished according to multiple PT1301 chips
Design enlargement circuit, respectively disparate modules provide operating voltage.
Preferably, the DC power supply drive module by two section 1.5v dry cell batteries at, voltage amplification module by 3v voltage
It is converted into 3.3v, 4v and 5v output, the 3.3v output end of voltage amplification module is connect with control unit power input；Voltage is put
The 5v output end of big module is connect with TFTLCD touch screen input terminal；4v output end and SIM900 the module electricity of voltage amplification module
The connection of source input terminal.
Preferably, described control unit handles chip STM32F103RBT6 using ARM.
Preferably, the signal condition amplifying circuit include the voltage amplifier circuit being made of OPA2336UA chip and
Rc filter circuit, amplification and filtering for analog signal；The multichannel ADC conversion module is equipped with AD7705 high-precision
Modulus conversion chip, acquisition precision are communicated up to 16, using SPI mode with control unit, and use dma mode, are realized more
Channel signal acquires simultaneously.
The utility model has the advantages that compared with prior art, present invention employs multi-channel testing rotating machinery different locations
Vibration signal, monitoring is more accurate quickly, can more find the mechanical breakdown information of different location in time；Introduce TFTLCD touch screen
Module is more convenient to carry out human-computer interaction, implements manipulation detection process and scene display monitoring information；It introduces GPRS and is wirelessly transferred mould
Block and host computer prison show GUI module, by SIM900 module, SIM card link block, realize the long-range aobvious in real time of vibration signal
Show, by host computer Real time displaying, analysis and the processing of LabView software realization monitoring data, makes to set large rotating machinery
Standby malfunction monitoring and diagnosis is more convenient；Help further to improve mechanical Fault Monitoring of HV diagnosis problem, have very high
Social utility value.
Detailed description of the invention
Fig. 1 is monitor circuit module connection diagram of the present invention；
Fig. 2 is monitor signal transmission structure schematic diagram of the present invention；
Fig. 3 is vibration signal sensing installation site structural schematic diagram of the invention.
Specific embodiment
Technical solution of the present invention is described in detail in the following with reference to the drawings and specific embodiments.
The present invention implements a kind of multichannel remote oscillation signal monitor, can be realized multi-channel testing large rotating machinery
Equipment vibrating signal, TFTLCD touch screen control show monitoring process and as a result, long-range host computer Real time displaying in real time, analysis with
Monitoring vibration signal is handled, wherein STM32F103RBT6 is master chip (i.e. control unit, similarly hereinafter), coordinates the orderly work of each module
Make.
A kind of multichannel remote oscillation signal monitor of the invention, including slave computer, GPRS wireless transport module and electricity
Source module, the slave computer include single-chip microcontroller, data acquisition module, control display module, the data acquisition module and control
Display module is connect with single-chip microcontroller respectively, and single-chip microcontroller includes control unit, outside RTC, external crystal-controlled oscillation and EEPROM module；Data
Acquisition module includes multiple vibration signal sensors, signal condition amplifying circuit and multichannel ADC conversion module；Control display mould
Block includes TFTLCD touch screen module；GPRS wireless transport module includes SIM900 module and SIM card link block, described
SIM900 module is connect with single-chip microcontroller, connection is established by the server on GPRS network and Internet, by collected number
Server is sent to according to by antenna；The SIM card link block is electrically connected with SIM900 module, by SIM900 module by electricity
Press conditioning circuit power supply；Power module includes DC power supply drive module and voltage amplification module, and DC power supply drive module is defeated
It inputs and connects with voltage amplification module out, voltage amplification module output end is touched with control unit power input, TFTLCD respectively
Screen input terminal is touched to connect with SIM900 modular power source input terminal.
Referring to Fig. 1, in an embodiment of the present invention, a kind of multichannel remote oscillation signal monitor, including slave computer,
GPRS wireless transport module and power module, slave computer include that single-chip microcontroller, data acquisition module and control display module, data are adopted
Collection module and control display module connect respectively with single-chip microcontroller, single-chip microcontroller comprising control unit, outside RTC, external crystal-controlled oscillation and
EEPROM module；Data acquisition module includes multiple vibration signal sensors, signal condition amplifying circuit and multichannel ADC conversion
Module；Controlling display module includes TFTLCD touch screen module；Described control unit selects high-performance low-power-consumption
STM32F103RBT6 chip is responsible for coordinating the operation of monitor device entirety, and external RTC is responsible for control unit and provides quarter time
Degree, external crystal-controlled oscillation provide 72MHz working frequency for control unit, and EEPROM module is responsible for the data buffer storage of monitor.
Data acquisition module is responsible for being placed on the vibration that the vibration signal sensor of rotating machinery each section monitors
Dynamic signal is converted to inside digital data transmission to control unit.The output of multiple vibration signal sensors and signal condition amplify
The input of circuit connects, and then connect through multichannel ADC conversion module with control unit.The vibration signal sensor mainly by
Piezoelectric acceleration transducer composition, piezoelectric acceleration transducer are most commonly seen the most practical a type of on the market
Vibration acceleration sensor, it has lesser volume, higher cost performance, stronger noiseproof feature, and side the most practical
Just measurement and calibrating mode, piezoelectric acceleration transducer using contact measurement method, can be convenient handle
Multiple sensors are attached to rotating machinery surface, measure its vibration signal；The signal condition amplifying circuit mainly by
The voltage amplifier circuit and rc filter circuit composition of OPA2336UA chip composition, are responsible for the amplification and filtering of analog signal；Institute
It states multichannel ADC conversion module and is equipped with AD7705 high precision analogue conversion chip, acquisition precision is up to 16, using the side SPI
Formula is communicated with control unit, and uses dma mode, realizes that multi channel signals acquire simultaneously.
The onboard control chip of the TFTLCD touch screen module is XPT2046, and XPT2046 is that a piece of 4 conducting wire system touches
Screen controller includes 12 bit resolution 125KHZ conversion rate Step wise approximation type A/D converters, connects the 5v of voltage amplification module
Voltage output monitors the work of input control monitoring instrument according to touch screen module in measurement process, and is specifically supervised according to instrument
Survey process shows different monitoring contents.
GPRS wireless transport module includes SIM900 module and SIM card module, and the GPRS wireless transport module includes
SIM900 module, SIM card link block and power-supplying circuit, between the SIM900 module and control unit by serial ports into
The transmission of row data, provides 4v voltage by voltage amplification module, establishes connection by the server on GPRS network and Internet,
Collected data are sent to server by antenna；The SIM card link block is electrically connected with SIM900 module, by
SIM900 module provides 3v or 1.8v voltage through overvoltage conditioning circuit, is automatically selected according to the sim module that communication common carrier provides.
Power module include by two section 1.5v dry cell batteries at DC power supply drive module and voltage amplification module, voltage
3v voltage is converted 3.3v, 4v and 5v output, the 3.3v output end and control unit power supply of voltage amplification module by amplification module
Input terminal connection, provides chip operation normal voltage；The 5v output end and TFTLCD touch screen power input of voltage amplification module
End connection, the process measured for realizing human-computer interaction, real-time control；The 4v output end and SIM900 module of voltage amplification module
Power input connection.Voltage amplification module fully demonstrates the low power consumption characteristic of instrument entirety, and all modules are by same voltage source
Power supply separately designs amplifying circuit according to multiple PT1301 chips, and respectively disparate modules provide operating voltage.
Referring to fig. 2, multichannel remote oscillation signal monitor system of the invention, including host computer and multichannel remote oscillation
Signal monitor, host computer include that host computer prison shows GUI module, multichannel remote oscillation signal monitor include slave computer,
GPRS wireless transport module and power module, slave computer include single-chip microcontroller, data acquisition module and control display module；Host computer
It can be connected by GPRS wireless transport module with slave computer, GPRS wireless transport module is by SIM900 module and SIM card module group
At to realize the long range radio transmissions of data.Wherein, slave computer part can be by being placed in large rotating machinery equipment different location
Vibration signal sensor measure mechanical equipment transverse direction, longitudinal direction, axial direction, shell vibration information, and converted by multichannel ADC
The Data collecting conversion of module is handled, and in the case where the control of TFTLCD touch screen is shown, by GPRS wireless transport module, will be monitored
Data information is transmitted to PC machine (host computer), designs gui interface by LabView, carries out to the data information that monitoring obtains real
When online analysis and processing and real-time display, wherein host computer prison shows that GUI module can be using in LabView data analysis tool
The data processing tools such as frequency spectrum conversion, digital filtering and Fast Fourier Transform (FFT), online processing analysis data simultaneously show vibration letter
Number amplitude-frequency response signal and spectrum analysis figure.
Host computer prison shows that GUI module mainly includes data reception module, data disaply moudle and data memory module, described
Data reception module listens to the connection request from client using TCPListen function in LabView means of communication, and is referring to
Fixed end mouthful waits GPRS module to request by TCP connection, after establishing connection, utilizes the number of TCP Read function reading terminals transmission
According to being standard by TCP Read function works mode setting, that is, wait until reading all specified bytes or " time-out milli
Second " be finished, the byte currently read is returned, if reading fixed word joint number of the byte number less than setting, then reports mistake；
The data that the data disaply moudle will acquire are converted by format, show the visualization of data plate in front in a tabular form
On interface；The data memory module is write the data in electrical form by Write To Spreadsheet File function
For processed offline.
Referring to Fig. 3, data acquisition module mainly uses multiple vibration signal sensors, is respectively placed in mechanical cover side
Face, be placed in shaft it is radial with horizontal axis and longitudinal axis cross-distribution, to be placed in shaft cross section central, be respectively used for measuring mechanical equipment
Case vibration signal, radial oscillation crosswise signal and extensional vibration signal, axial vibration signal, and turned by multichannel ADC
All vibration signals are transmitted to control unit simultaneously to mold changing block and host computer remotely monitors gui interface, carries out the comprehensive of signal
Conjunction analyze, compares, handles and is shown, the working order of large rotating machinery equipment is shown with this accurate quickly prison, when it is faulty out
It can accomplish to judge in time, show and protect now.
In short, the present invention realizes the vibration signal of multi-channel testing rotating machinery different location, monitoring using STM32
It is more accurate quick, the mechanical breakdown information of different location can be more found in time；Introduce TFTLCD touch screen module, be more convenient into
Manipulation detection process and scene display monitoring information are implemented in row human-computer interaction；It introduces GPRS wireless transmission section and host computer is supervised
Show GUI module, by SIM900 module, SIM card link block, the long-range real-time display of vibration signal is realized, by LabView
Host computer Real time displaying, analysis and the processing of software realization monitoring data, make to the malfunction monitoring of large rotating machinery equipment and
It diagnoses more convenient；Help further to improve mechanical Fault Monitoring of HV diagnosis problem.
Claims (10)
1. a kind of multichannel remote oscillation signal monitor, it is characterised in that: including slave computer, GPRS wireless transport module and electricity
Source module, the slave computer include single-chip microcontroller, data acquisition module, control display module, the data acquisition module and control
Display module is connect with single-chip microcontroller respectively, and single-chip microcontroller includes control unit, outside RTC, external crystal-controlled oscillation and EEPROM module；Data
Acquisition module includes multiple vibration signal sensors, signal condition amplifying circuit and multichannel ADC conversion module；Control display mould
Block includes TFTLCD touch screen module；
GPRS wireless transport module includes SIM900 module and SIM card link block, and the SIM900 module is connect with single-chip microcontroller,
Connection is established by the server on GPRS network and Internet, collected data are sent to server by antenna；
The SIM card link block is electrically connected with SIM900 module, is powered by SIM900 module through overvoltage conditioning circuit；
Power module includes DC power supply drive module and voltage amplification module, and DC power supply drive module exports and voltage amplification
Module input connection, voltage amplification module output end respectively with control unit power input, TFTLCD touch screen input terminal and
The connection of SIM900 modular power source input terminal.
2. a kind of multichannel remote oscillation signal monitor according to claim 1, it is characterised in that: the data acquisition
Module uses multiple vibration signal sensors, while carrying on-chip DMA controller, measures mechanical device simultaneously for multichannel
Radial vibration signal, axial vibration signal and case vibration signal, wherein radial vibration signal is by two sides of longitudinal and transverse direction
To vibration signal measure simultaneously.
3. a kind of multichannel remote oscillation signal monitor system, it is characterised in that: believe including host computer and multichannel remote oscillation
Number monitor, in which:
Host computer includes that host computer prison shows GUI module；
Multichannel remote oscillation signal monitor includes slave computer, GPRS wireless transport module and power module, the slave computer
Including single-chip microcontroller, data acquisition module and control display module, the data acquisition module and control display module respectively with list
The connection of piece machine, single-chip microcontroller include control unit, outside RTC, external crystal-controlled oscillation and EEPROM module；Data acquisition module includes multiple
Vibration signal sensor, signal condition amplifying circuit and multichannel ADC conversion module；Control display module includes that TFTLCD is touched
Panel module；
GPRS wireless transport module includes SIM900 module and SIM card link block, and the SIM900 module is connect with single-chip microcontroller,
Connection is established by the server on GPRS network and Internet, collected data are sent to server by antenna；
The SIM card link block is electrically connected with SIM900 module, is powered by SIM900 module through overvoltage conditioning circuit；
Power module includes DC power supply drive module and voltage amplification module, and DC power supply drive module exports and voltage amplification
Module input connection, voltage amplification module output end respectively with control unit power input, TFTLCD touch screen input terminal and
The connection of SIM900 modular power source input terminal.
The upper computer and lower computer is connected by GPRS wireless transport module, and power module is monitor power supply.
4. a kind of multichannel remote oscillation signal monitor system according to claim 3, it is characterised in that: the host computer
Prison shows that GUI module mainly includes data reception module, data disaply moudle and data memory module, the data reception module benefit
The connection request from client is listened to TCPListen function in LabView means of communication, and waits GPRS in designated port
Wireless transport module is requested by TCP connection, and after establishing connection, the data transmitted using TCP Read function reading terminals will
TCP Read function works mode setting is standard, that is, is waited until reading all specified bytes or " overtime millisecond " use
It is complete, the byte currently read is returned, if reading fixed word joint number of the byte number less than setting, then reports mistake；It is described
The data that data disaply moudle will acquire are converted by format, show the visualization interface of data plate in front in a tabular form
On；The data memory module by Write To Spreadsheet File function, write the data in electrical form for
Processed offline.
5. a kind of multichannel remote oscillation signal monitor system according to claim 3, it is characterised in that: the data are adopted
Collect module and use multiple vibration signal sensors, while carrying on-chip DMA controller, measures mechanical dress simultaneously for multichannel
Radial vibration signal, axial vibration signal and the case vibration signal set, wherein radial vibration signal is by longitudinal and transverse direction two
The vibration signal in direction measures simultaneously.
6. a kind of multichannel remote oscillation signal monitor according to claim 5, it is characterised in that: the vibration signal
Sensor is piezoelectric acceleration transducer.
7. a kind of multichannel remote oscillation signal monitor according to claim 3, it is characterised in that: the voltage amplification
Module is powered by DC power supply drive module, separately designs amplifying circuit, respectively disparate modules according to multiple PT1301 chips
Operating voltage is provided.
8. a kind of multichannel remote oscillation signal monitor according to claim 3, it is characterised in that: the DC power supply
Drive module is by two section 1.5v dry cell batteries at voltage amplification module converts 3.3v, 4v and 5v for 3v voltage and exports, and voltage is put
The 3.3v output end of big module is connect with control unit power input；The 5v output end and TFTLCD of voltage amplification module touch
Shield input terminal connection；The 4v output end of voltage amplification module is connect with SIM900 modular power source input terminal.
9. a kind of multichannel remote oscillation signal monitor according to claim 3, it is characterised in that: described control unit
Chip STM32F103RBT6 is handled using ARM.
10. a kind of multichannel remote oscillation signal monitor according to claim 3, it is characterised in that: the signal tune
Managing amplifying circuit includes the voltage amplifier circuit and rc filter circuit being made of OPA2336UA chip, is used for analog signal
Amplification and filtering；The multichannel ADC conversion module is equipped with AD7705 high precision analogue conversion chip, and acquisition precision is reachable
It 16, is communicated using SPI mode with control unit, and uses dma mode, realize that multi channel signals acquire simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810830877.1A CN108955867A (en) | 2018-07-26 | 2018-07-26 | A kind of multichannel remote oscillation signal monitor and monitor system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810830877.1A CN108955867A (en) | 2018-07-26 | 2018-07-26 | A kind of multichannel remote oscillation signal monitor and monitor system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108955867A true CN108955867A (en) | 2018-12-07 |
Family
ID=64463311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810830877.1A Pending CN108955867A (en) | 2018-07-26 | 2018-07-26 | A kind of multichannel remote oscillation signal monitor and monitor system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108955867A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110553725A (en) * | 2019-09-10 | 2019-12-10 | 赵海云 | Bridge vibrations monitoring devices |
| CN112665837A (en) * | 2020-12-03 | 2021-04-16 | 江阴众和电力仪表有限公司 | Multi-channel vibration monitoring and protecting instrument for rotary machinery |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202216757U (en) * | 2011-08-24 | 2012-05-09 | 江汉大学 | Dust collection fan vibration measuring equipment |
| CN202582898U (en) * | 2011-12-20 | 2012-12-05 | 东南大学 | Flush type bearing failure intelligent diagnosing device based on ARM and DSP |
| CN205843808U (en) * | 2016-07-25 | 2016-12-28 | 中国地质大学（武汉） | A kind of distributed wireless monitored by infrasonic wave system |
-
2018
- 2018-07-26 CN CN201810830877.1A patent/CN108955867A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202216757U (en) * | 2011-08-24 | 2012-05-09 | 江汉大学 | Dust collection fan vibration measuring equipment |
| CN202582898U (en) * | 2011-12-20 | 2012-12-05 | 东南大学 | Flush type bearing failure intelligent diagnosing device based on ARM and DSP |
| CN205843808U (en) * | 2016-07-25 | 2016-12-28 | 中国地质大学（武汉） | A kind of distributed wireless monitored by infrasonic wave system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110553725A (en) * | 2019-09-10 | 2019-12-10 | 赵海云 | Bridge vibrations monitoring devices |
| CN112665837A (en) * | 2020-12-03 | 2021-04-16 | 江阴众和电力仪表有限公司 | Multi-channel vibration monitoring and protecting instrument for rotary machinery |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106584210B (en) | A kind of smart tooling system for precision cutting | |
| CN102095511B (en) | Machine tool spindle temperature measurement device and measurement method thereof | |
| CN104391480A (en) | Expert system based numerically-controlled machine tool fault diagnosis system | |
| CN110091215A (en) | A kind of real-time monitoring Milling Force, the wireless transmission intelligence knife handle detection system of vibration | |
| CN108508396A (en) | Multiple-in-one collecting device detecting system and method | |
| CN202075392U (en) | Electromotor comprehensive state monitoring system | |
| CN111141333A (en) | Multichannel integrated form sensor data collection station | |
| CN104459547A (en) | Battery detection device and method | |
| CN108955867A (en) | A kind of multichannel remote oscillation signal monitor and monitor system | |
| CN207488428U (en) | A kind of partial discharge monitoring device | |
| CN202524429U (en) | Hoisting machinery health monitoring system based on wireless sensing nodes | |
| CN109406117A (en) | A kind of multichannel remote oscillation signal monitor system and monitoring method based on improved RBFNN algorithm | |
| CN102680155B (en) | Stress and vibration measurement device for rotary machine | |
| CN203414433U (en) | Temperature and humidity detection system for drying process | |
| CN201163778Y (en) | Server management monitoring apparatus | |
| CN204155436U (en) | A kind of wireless sensing node for civil structure health monitoring | |
| CN109271948A (en) | A kind of multichannel remote oscillation signal monitor system and monitoring method based on clustering algorithm | |
| CN103439370A (en) | Temperature and humidity detection system in drying process | |
| CN210346901U (en) | Vibration monitoring device for rotating equipment | |
| CN102761565A (en) | Brewing process monitoring system and method based on wireless sensor network technology | |
| CN203053487U (en) | Point patrol monitor device | |
| CN210863512U (en) | Remote display and control system of spectrum analyzer | |
| CN204373772U (en) | A kind of wireless vibration sensor adopting WiFi communication technology | |
| CN206509837U (en) | A kind of smart tooling system for precision cutting | |
| CN1458533A (en) | Distributive intelligent motor detecting system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181207 |