CN107588953A - A kind of rolling bearing life testing machine remote measuring and controlling system based on Internet of Things - Google Patents
A kind of rolling bearing life testing machine remote measuring and controlling system based on Internet of Things Download PDFInfo
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- CN107588953A CN107588953A CN201710855357.1A CN201710855357A CN107588953A CN 107588953 A CN107588953 A CN 107588953A CN 201710855357 A CN201710855357 A CN 201710855357A CN 107588953 A CN107588953 A CN 107588953A
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Abstract
The present invention relates to a kind of rolling bearing life testing machine remote measuring and controlling system based on Internet of Things, the present invention is in order to solve the problems, such as that existing testing machine system monitoring security is low, wasting manpower and material resources, and propose a kind of rolling bearing life testing machine remote measuring and controlling system based on Internet of Things, the system uses ZigBee wireless networks, realize the control of rolling bearing laboratory gate inhibition, mains lighting supply, all kinds of motors and converter power supply, and the collection and transmission of rolling bearing temperature and pressure signal；The long-range connection of mobile phone terminal, pc client respectively with ZigBee-network is established by gateway, realizes the remote control to Rolling Bearing Testing Machine and the intelligent management of laboratory；Host computer obtains bearing vibration acceleration signal by capture card；Data sharing is realized with reference to File Transfer Protocol；Video monitoring is incorporated, can the long-range video information of real time inspection Rolling Bearing Testing Machine and laboratory.The present invention is applied to the intelligent management of laboratory.
Description
Technical field
The present invention relates to a kind of Internet of Things remote measuring and controlling system, and in particular to a kind of rolling bearing life based on Internet of Things
Testing machine remote measuring and controlling system.
Background technology
As " the formal proposition of industry 4.0 ", is mutually tied as computer technology, wireless communication technology and fault diagnosis technology
The plant equipment Remote Monitoring Technology of conjunction, physical equipment is linked on internet, realizes long-range monitoring, control, data analysis
Etc. function, so as to which people, thing, information and all kinds of resources are closely merged.
Whether rolling bearing directly affects as the important composition part in rotating machinery, the stabilization of its working condition
The security and stability of whole equipment.It is particularly important that high-volume rolling bearing is sampled life test before dispatching from the factory.Roll
Running status of the bearing life testing machine for simulation rolling bearing under complicated bad working environments designs, the roller bearing of early stage
Bearing tester can only rely on manpower to carry out rotating speed, the adjustment of pressure and the record of data；The GQZS series that some documents are mentioned
Bearing life strenuous test machine improves internal structure, optimizes acquisition system；In the prior art using industrial computer as hardware
Platform development TT＆C system, the collection to data such as bearing temperature, load and rotating speeds is realized by control data capture card.Mesh
Before, the TT＆C system of most of Rolling Bearing Testing Machines, stable performance is easy to control, but still there are the following problems：Testing machine
System monitoring circuit uses wired connection more, and wiring is complicated, and certain electric hidden danger be present；Operated in life test machine
Cheng Zhong, to prevent unexpected occur, it is necessary to the monitoring, and environment is noisy, not only causes the wave of manpower for a long time of staff scene
Take, certain negative effect can be also produced to body；Testing machine TT＆C system does not possess data sharing function, and technical staff is intended to pair
The big data of collection, which carries out analysis, need to arrive scene copy, not only cause waste of time, also add to being tested where testing machine
Room passes in and out the management difficulty of personnel.
The content of the invention
The invention aims to solve existing testing machine system monitoring circuit to use wired connection, wiring is again more
It is miscellaneous, and certain electric hidden danger be present；In life test machine operation process, to prevent unexpected occur, it is necessary to staff
It is live to monitor for a long time, and environment is noisy, not only causes the waste of manpower, and certain negative effect can be also produced to body；
The shortcomings that being needed during technical staff's gathered data to scene copy, and causing waste of time, and propose one kind and be based on Internet of Things
Rolling bearing life testing machine remote measuring and controlling system, including：
Gateway；Host computer；Interchanger；Wherein gateway is connected with host computer by interchanger.
Rolling bearing experimental bench, its internal setting pump motor, lubrication motor and loading motor.
Testing machine electrical power control cabinet, it is internally provided with general supply, pump motor power supply, lubrication motor power supply and loading
Motor power.
The first ZigBee terminal nodes being connected with gateway, in testing machine electrical power control cabinet, and for passing through relay
Control the break-make of general supply.
The 2nd ZigBee terminal nodes being connected with gateway, are arranged in testing machine electrical power control cabinet, for passing through relay
Device controls the break-make of pump motor power supply.
The 3rd ZigBee terminal nodes being connected with gateway, are arranged in testing machine electrical power control cabinet, for passing through relay
Device controls the break-make of lubrication motor power supply.
The 4th ZigBee terminal nodes being connected with gateway, are arranged in testing machine electrical power control cabinet, for passing through relay
The break-make of device controlled loading motor power.
Temperature sensor, it is arranged on rolling bearing test table, for detecting the temperature of rolling bearing.
The 5th ZigBee terminal nodes being connected with gateway, are arranged on rolling bearing test table, connect with temperature sensor
Connect, gateway is sent to by being wirelessly transferred for temperature information will to be received from temperature sensor.
Pressure sensor, it is arranged on rolling bearing test table, for detecting the pressure suffered by rolling bearing.
The 6th ZigBee terminal nodes being connected with gateway, are arranged on rolling bearing test table, connect with pressure sensor
Connect, gateway is sent to by being wirelessly transferred for pressure information will to be received from pressure sensor.
Frequency converter, it is arranged on rolling bearing test table, frequency converter includes VFC end and power end；VFC end
It is connected with the serial ports of host computer, for exporting specific frequency, to control the working frequency of rolling bearing test table.
The 7th ZigBee terminal nodes being connected with gateway, are arranged on rolling bearing test table, by relay with becoming
The power end connection of frequency device, for the on/off by Control frequency converter.
Vibrating sensor, it is arranged on rolling bearing test table, is connected by data acquisition card with gateway.
Preferably, the gateway includes the Wifi modules being connected with each other and ZigBee telegons, wherein ZigBee telegons
For carrying out radio communication with ZigBee terminal nodes, Wifi modules are used to carry out network service with interchanger.
Be preferably based on that the rolling bearing life testing machine remote measuring and controlling system of Internet of Things also includes being connected with gateway the
Eight ZigBee terminal nodes, the 8th ZigBee terminal nodes are also connected with relay and photo resistance, and photo resistance is used to examine
Indoor light intensity is surveyed, when light intensity meets default condition, by being switched on or switched off for Control mains lighting supply.
Being preferably based on the rolling bearing life testing machine remote measuring and controlling system of Internet of Things also includes and gateway and relay
9th ZigBee terminal nodes of connection, when the 9th ZigBee terminal nodes detect specific RFID radiofrequency signals, pass through
The magnetic key operated lock of control relay and then access control system is turned on and off.
Being preferably based on the rolling bearing life testing machine remote measuring and controlling system of Internet of Things also includes what is be connected with interchanger
Multiple video cameras；The network hard disk video recorder being connected with interchanger；Wherein network hard disk video recorder is used for stored record video camera
The video recording of shooting.
Being preferably based on the rolling bearing life testing machine remote measuring and controlling system of Internet of Things also includes carrying out net with interchanger
The router of network communication, and the cell-phone customer terminal with router progress radio communication, cell-phone customer terminal are used for by remotely controlling
The break-make of each power supply on ZigBee terminal nodes indirect control testing machine electrical power control cabinet processed, is additionally operable to check that video camera obtains
The video information taken.
Being preferably based on the rolling bearing life testing machine remote measuring and controlling system of Internet of Things also includes carrying out net with interchanger
The router of network communication, and the pc client with router progress radio communication, pc client are used to check, analyze, download
The service data of rolling bearing, service data include temperature, pressure, frequency, vibration data.
Beneficial effects of the present invention are：1st, testing machine system monitoring system of the invention uses wireless connection, it is not necessary to thing
Removing the work line, in the absence of electric hidden danger；2nd, in life test machine operation process, it is not necessary to staff detects at scene for a long time,
Remote monitoring is only needed, saves manpower, the body of staff will not be had a negative impact；3rd, sensor collects
Experimental data can be automatically stored in hard disk, it is not necessary to which technical staff copies to scene, saves the substantial amounts of time.
Brief description of the drawings
Fig. 1 is the general structure block diagram of the system of the present invention；
Fig. 2 is the pc client surface chart of the present invention；
The data based on File Transfer Protocol that Fig. 3 is the present invention download surface chart；
Fig. 4 is the data sharing surface chart based on File Transfer Protocol of the present invention；
Fig. 5 is the cell phone application main interface figure of the present invention；
Fig. 6 is the video monitoring picture figure of the present invention；
Fig. 7 is the pump motor startup interface of the present invention.
Embodiment
Embodiment one：The rolling bearing life testing machine remote measurement and control system based on Internet of Things of present embodiment
System, as shown in Figure 1.The major function of the system is that the long-range intelligence of the equipment such as Rolling Bearing Testing Machine is realized based on technology of Internet of things
Energy control and video monitoring, the real-time collection of data, store and share, the intelligent management of laboratory, specifically include：
(1) ZigBee-network controls：Rolling bearing life testing stand, motor, frequency converter are realized using ZigBee technology
Start and stop, jerk and laboratory gate inhibition, the remote control of illuminating lamp.
(2) Data acquisition and storage：The ZigBee terminal nodes collection temperature of rolling bearing, pressure data and through net
Close and interchanger is stored to host computer；Meanwhile bearing vibration is believed by host computer acquisition system using acceleration transducer
Number it is acquired and stores.
(3) data sharing：The data being stored in host computer are realized using File Transfer Protocol and shared, to enjoy authority
Technical staff remotely checks, downloads and analyzed.
(4) data analysis：With reference to rolling bearing temperature and pressure data message, bearing vibration signal is carried out preliminary
Time-domain analysis and frequency-domain analysis.
(5) video monitoring：Using web camera, video data is transferred to network hard disk video recorder through interchanger, it is real
When monitor the state of rolling bearing life testing machine and its place laboratory.
(6) mobile phone terminal remote monitoring：The cell phone application based on android system is developed, passes through Ethernet and ZigBee nets
Network, realize remote control equipment, remote management laboratory, remotely check the functions such as video data.
(7) pc client remote measurement and control：The pc client system based on C/S frameworks of design, it can not only realize to rolling
Bearing life testing machine and its remote control of place laboratory, and can remotely check, download and analyze rolling bearing
Service data.That is, by the long-range of above-mentioned (1) to (5) function.
The rolling bearing life testing machine long-distance intelligent TT＆C system that the present invention designs mainly include ZigBee ad-hoc networks,
Host computer (server) part, the design of gateway, video monitoring, mobile phone terminal software and PC client software.System it is total
Body structured flowchart is as shown in Figure 1.Specifically include：
(1) ZigBee ad-hoc networks：ZigBee-network is made up of ZigBee telegons and each ZigBee terminal nodes.
Each nodes of ZigBee select CC2530 chips, are shaken using 32M and 32.768K twin crystals.The system ZigBee terminal nodes 1 combine
RFID module control magnetic key operated locks of swiping the card realize the switch of laboratory gate inhibition.Wherein, RFID swipes the card module from RC522 read-write the core of the cards
Piece；ZigBee terminal nodes 2 connect photo resistance, and intelligent control tests the break-make of room illumination lamp；ZigBee terminal nodes 3 to 6
The break-make of switch board general supply, pump motor power supply, lubrication motor power supply and loading motor power supply is controlled respectively；ZigBee terminals
Node 7 and 8 connects the temperature of temperature sensor and pressure sensor collection rolling bearing, pressure information to ZigBee respectively
Telegon.Temperature sensor selects JM608V, and temperature-measuring range is 0~200 DEG C；Pressure sensor selects HMPH-10-C-0.2-
AAAR, pressure measurement scope are 0~10MPa；The control relay of ZigBee terminal nodes 9 realizes the start and stop to frequency converter VFD-C2000.
(2) epigynous computer section：PCI-50614T capture cards are installed in host computer, coordinate acceleration transducer 1A116E to realize
To the collection and preservation of the axially and radially vibration signal for testing machine bearing；Frequency converter is connected by serial ports to control rolling bearing
Rotating speed.Upper computer software is write using Visual C++6.0 combinations ICP/IP protocols and File Transfer Protocol, and its basic function includes door
Switch, the break-make of illuminating lamp, pump motor start and stop, lubrication motor start and stop, loading motor start and stop, frequency converter start and stop, experiment ginseng
Number setting, the time domain of the data sharing based on File Transfer Protocol and data, frequency-domain analysis etc..
In time domain index, waveform index, peak index, pulse index, margin index and kurtosis index are all dimensionless
The factor such as index, model, rotating speed, load and transducer sensitivity with rolling bearing is unrelated[14], so, on-line monitoring vibration
This 5 indexs of data can tentatively judge whether rolling bearing fault occurs.Due to bearing vibration signal frequency into
Divide complexity, traditional Time Domain Analysis is not easy to judge the failure of bearing[15].Therefore, can be from the angle of frequency domain to rolling
Bearing vibration signal is researched and analysed.In addition, temperature and the acceleration upper limit can be set to judge whether rolling bearing fault is sent out
It is raw.
(3) gateway：To make ZigBee-network and Ethernet be communicated, linux operating system design gateways are carried, are realized
The conversion of Zigbee protocol and ICP/IP protocol.Gateway is made up of ZigBee coordinator nodes and WiFi module two parts,
ZigBee coordinator nodes are mainly responsible for setting up ZigBee-network, combined data, the information of each terminal node of processing and turned
Send out control command；WiFi module selects RT5350 chips, supports serial communication, the system is by configuring WiFi module by ZigBee
Temperature, pressure and the control information that telegon receives reach host computer through interchanger and preserved.
(4) video monitoring：All-network CCTV camera is connected with interchanger in laboratory, by video data through interchanger
Transmit to network hard disk video recorder.Host computer can check video by switch-access network hard disk video recorder, and network monitoring is taken the photograph
Camera selects 84H13P models.
(5) mobile phone terminal uses Android developing instruments, is run by ADT software programmings and being downloaded on mobile phone.
(6) pc client is write using Visual C++6.0 software combination ICP/IP protocols and File Transfer Protocol, remote control
Equipment, check video monitoring, download simultaneously analyze data.
Test result analysis：
Rolling bearing life testing machine and its place laboratory of the subjects of the system for certain model, it is long-range to them
While intelligent monitoring, gathering, share and analyzing for data is carried out.Specific test result is as follows：
(1) pc client test result analysis：Pc client function interface is mainly by remote control switch door, remote switch
The parameter settings such as all kinds of motors of illuminating lamp, remote control, remote control frequency converter, temperature, pressure sample frequency, based on File Transfer Protocol
Data download, the analysis of data time-domain and frequency-domain, waveform show and urgent-stop alarm etc. forms.Pc client interface as shown in Fig. 2
File download interface based on File Transfer Protocol is as shown in Figure 3.
The control commands such as gate inhibition, mains lighting supply in Fig. 2 are remotely sent after interchanger to host computer by pc client, then
Sent through WiFi module to ZigBee coordinator nodes, coordinator node is to the command recognition that receives and is forwarded to ZigBee ends
End node performs, in addition, being downloaded based on File Transfer Protocol pc client to the data being stored in host computer and showing analysis, finally
Realize overall observing and controlling and the remote management of laboratory of life test machine.The function of host computer is similar with pc client function, but
Be it is unique unlike pc client there is the data download function based on File Transfer Protocol, and host computer is with based on File Transfer Protocol
Data sharing function, the data sharing interface based on File Transfer Protocol are as shown in Figure 4.
By test, pc client can realize the remote control to rolling bearing life testing machine and its place laboratory
And intelligent management, and the functions such as the data download based on File Transfer Protocol, analysis, efficiency high, no packet loss phenomenon can be realized.
(2) mobile phone terminal test result analysis：Mobile phone terminal APP functions include video monitoring, remote switch door, long-range control
Illuminating lamp, remote control motor, remote control frequency converter and urgent-stop alarm function processed, wherein remote control motor are included to rolling
The control of the pump motor, loading motor, lubrication motor of bearing life testing machine.Mobile phone terminal APP main interfaces as shown in figure 5,
Mobile phone terminal APP video monitorings interface is as shown in fig. 6, pump motor startup interface is as shown in Figure 7.
(3) system integrated testability：The system by pc client, mobile phone terminal, host computer, gateway, ZigBee ad-hoc networks,
Web camera combines with rolling bearing life testing machine and its place laboratory, realizes people, information and physical equipment
Close fusion.Real system is as shown in Figure 6 (video monitoring shooting).
By test, pc client, mobile phone terminal, upper function, which are realized, to be tried rolling bearing life testing machine and its place
Test the remote monitoring of room；Host computer can collection analysis rolling bearing temperature, pressure and vibration data；Assisted simultaneously using FTP
View realizes the shared of data, and pc client can realize checking, downloading and analysis for data.
To sum up, we can see that the present invention has following notable technique effect：
(1) using ZigBee technology structure wireless network, realize Rolling Bearing Testing Machine, all kinds of motors, frequency converter and
The controlled in wireless of the power supplys such as laboratory gate inhibition, illuminating lamp, and the collection and transmission of rolling bearing temperature and pressure signal,
Make management convenient, intelligent, and effectively reduce the difficult wiring that traditional wire mode is brought and asked with potential electrically hidden danger etc.
Topic.
(2) pc client, mobile phone terminal and rolling bearing life testing machine and its place laboratory are realized using internet
Telecommunication, field control can only be realized and need staff live by efficiently solving rolling bearing life testing machine system
The inconvenient, dangerous of monitoring, waste of manpower and matter of time for a long time.
(3) present invention has the pc client software and upper computer software of FTP functions, pc client is passed through File Transfer Protocol
May have access to host computer data simultaneously download analysis, realize data share, solve when bearing life cycle management mass data without
When method is analyzed in real time, staff needs live the problem of copying data, so as to save the time, improves operating efficiency.
The present invention can also have other various embodiments, in the case of without departing substantially from spirit of the invention and its essence, this area
Technical staff works as can make various corresponding changes and deformation according to the present invention, but these corresponding changes and deformation should all belong to
The protection domain of appended claims of the invention.
Claims (7)
- A kind of 1. rolling bearing life testing machine remote measuring and controlling system based on Internet of Things, it is characterised in that including：Gateway；Host computer；Interchanger；Wherein gateway is connected with host computer by interchanger；Rolling bearing experimental bench, its internal setting pump motor, lubrication motor and loading motor；Testing machine electrical power control cabinet, it is internally provided with general supply, pump motor power supply, lubrication motor power supply and loading motor Power supply；The first ZigBee terminal nodes being connected with gateway, in testing machine electrical power control cabinet, and for passing through Control The break-make of general supply；The 2nd ZigBee terminal nodes being connected with gateway, are arranged in testing machine electrical power control cabinet, for passing through relay control The break-make of pump motor power supply processed；The 3rd ZigBee terminal nodes being connected with gateway, are arranged in testing machine electrical power control cabinet, for passing through relay control The break-make of lubrication motor power supply processed；The 4th ZigBee terminal nodes being connected with gateway, are arranged in testing machine electrical power control cabinet, for passing through relay control The break-make of loading motor power supply processed；Temperature sensor, it is arranged on rolling bearing test table, for detecting the temperature of rolling bearing；The 5th ZigBee terminal nodes being connected with gateway, are arranged on rolling bearing test table, are connected with temperature sensor, use In temperature information will be received from temperature sensor gateway is sent to by being wirelessly transferred；Pressure sensor, it is arranged on rolling bearing test table, for detecting the pressure suffered by rolling bearing；The 6th ZigBee terminal nodes being connected with gateway, are arranged on rolling bearing test table, are connected with pressure sensor, use In pressure information will be received from pressure sensor gateway is sent to by being wirelessly transferred；Frequency converter, it is arranged on rolling bearing test table, frequency converter includes VFC end and power end；VFC end with it is upper The serial ports connection of position machine, for exporting specific frequency, to control the working frequency of rolling bearing test table；The 7th ZigBee terminal nodes being connected with gateway, are arranged on rolling bearing test table, pass through relay and frequency converter Power end connection, for the on/off by Control frequency converter；Vibrating sensor, it is arranged on rolling bearing test table, is connected by data acquisition card with gateway.
- 2. the rolling bearing life testing machine remote measuring and controlling system according to claim 1 based on Internet of Things, its feature exist In Wifi module of the gateway including interconnection and ZigBee telegons, wherein ZigBee telegons are used for and ZigBee Terminal node carries out radio communication, and Wifi modules are used to carry out network service with interchanger.
- 3. the rolling bearing life testing machine remote measuring and controlling system according to claim 1 based on Internet of Things, its feature exist In, in addition to the 8th ZigBee terminal nodes being connected with gateway, the 8th ZigBee terminal nodes also with relay and photosensitive Resistance connects, and photo resistance is used for the light intensity for detecting interior, when light intensity meets default condition, by Control power for illumination Source is switched on or switched off.
- 4. the rolling bearing life testing machine remote measuring and controlling system according to claim 1 based on Internet of Things, its feature exist In, in addition to the 9th ZigBee terminal nodes being connected with gateway and relay, when the 9th ZigBee terminal nodes detect spy During fixed RFID radiofrequency signals, pass through control relay being turned on and off and then the magnetic key operated lock of access control system.
- 5. the rolling bearing life testing machine remote measuring and controlling system according to claim 4 based on Internet of Things, its feature exist In, in addition to：The multiple video cameras being connected with interchanger；The network hard disk video recorder being connected with interchanger；Wherein network hard disk video recorder is used for the video recording of stored record video camera shooting.
- 6. the rolling bearing life testing machine remote measuring and controlling system according to claim 5 based on Internet of Things, its feature exist In, in addition to the router with interchanger progress network service, and the cell-phone customer terminal with router progress radio communication, hand Machine client is used for by each power supply on remote control ZigBee terminal node indirect control testing machine electrical power control cabinets Break-make, it is additionally operable to check the video information that video camera obtains.
- 7. the rolling bearing life testing machine remote measuring and controlling system according to claim 6 based on Internet of Things, its feature exist In, in addition to the router with interchanger progress network service, and the pc client with router progress radio communication, PC visitors Family end is used for the service data of checking, analyze, downloading rolling bearing, and service data includes temperature, pressure, frequency, vibration data.
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| CN201710855357.1A CN107588953A (en) | 2017-09-20 | 2017-09-20 | A kind of rolling bearing life testing machine remote measuring and controlling system based on Internet of Things |
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| CN110887670A (en) * | 2019-11-25 | 2020-03-17 | 中国航天空气动力技术研究院 | Aircraft engine propeller test system |
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Application publication date: 20180116 |