CN102789182A - Wind turbine generator gearbox lubricating oil on-line monitor and control platform based on ARM (advanced RISC machine) - Google Patents
Wind turbine generator gearbox lubricating oil on-line monitor and control platform based on ARM (advanced RISC machine) Download PDFInfo
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- CN102789182A CN102789182A CN2012102976230A CN201210297623A CN102789182A CN 102789182 A CN102789182 A CN 102789182A CN 2012102976230 A CN2012102976230 A CN 2012102976230A CN 201210297623 A CN201210297623 A CN 201210297623A CN 102789182 A CN102789182 A CN 102789182A
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- 239000010687 lubricating oil Substances 0.000 title claims description 4
- 238000004891 communication Methods 0.000 claims abstract description 19
- 238000003860 storage Methods 0.000 claims abstract description 9
- 239000003921 oil Substances 0.000 claims description 11
- 239000012530 fluid Substances 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 230000002093 peripheral Effects 0.000 claims description 3
- 230000001808 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000003745 diagnosis Methods 0.000 claims description 2
- 230000005622 photoelectricity Effects 0.000 claims description 2
- 239000010913 used oil Substances 0.000 claims 1
- 230000002159 abnormal effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 7
- 238000005070 sampling Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 201000004569 blindness Diseases 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000023298 conjugation with cellular fusion Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000002452 interceptive Effects 0.000 description 1
- 230000001050 lubricating Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 230000000737 periodic Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000021037 unidirectional conjugation Effects 0.000 description 1
Abstract
The invention relates to a wind turbine generator speed-Incr-easing gearbox oil monitoring system, in particular to a novel ARM-based and Linux-based wind turbine gearbox oil quality monitoring system which integrates functions such as, data collection, touch screen, SQLite database, RS232/RS485 communication, wireless communication, Ethernet communication and A/D together. The monitoring system is characterized in that hardware comprises a processor unit, a display touch screen unit, an input unit, an output unit, a storage unit, a communication unit and a power supply unit; software comprises a Linux operating system, a data processing algorithm, a Qt interface, an SQLite database, communication and the like; and the communication unit comprises a RJ45 network port, RS232/485 and a wireless network and has excellent expandability. With the adoption of the monitoring system disclosed by the invention, the quality of oil can be monitored, thus inducement of abnormal wear of equipment is fundamentally cut off, and several important defects of fan gearbox off-line oil monitoring are overcome; and the gearbox oil monitoring system based on a hardware platform is abundant in development languages and can provide wide applying space for users.
Description
Technical field
The present invention relates to wind-driven generator wheel-box oil monitor supervision platform (Wind Turbine Generator Speed-Incr--easing Gearbox Oil Monitoring System), the novel wind gear case oil quality monitor supervision platform of functions such as particularly a kind of integrated data collection, touch-screen, SQLite database, RS232/RS485 communication, wireless telecommunications, ethernet communication, A/D based on ARM and Linux.
Background technology
For a long time, it is master's maintenance system that the maintenance of blower fan is adopted with preventative scheduled overhaul, and he has comprised overhaul, light maintenance and the periodic maintenance of equipment.It has obvious drawback, shows that mainly maintenance is frequent, crosses and keep in repair, owe maintenance and blindness maintenance etc., has wasted great amount of manpower and material resources, financial resources.Condition based maintenance is the basis with the equipment state; According to off-line measurement and on-line monitoring result to the latency fault; In conjunction with patrolling and examining data, historical data and artificial intelligence technology etc., equipment is carried out state estimation, and instruct the maintenance problem of arranging equipment overhaul cycle and project with this.
Embedded system (Embedded System) is application-centered, and computer technology is the basis, but the hardware and software cutting adapts to the dedicated computer system that application system is strict with function, reliability, cost, volume, power consumption.It is the product after concrete application with advanced person's computer technology, semiconductor technology and electronic technology and industry-by-industry combines.Its field that is widely used of characteristic decision of high real-time and high reliability.
Man-machine interface HMI (Human Machine Interface claim user interface again); It is the media that carries out mutual and message exchange between system and the user; Can connect industrial control equipments such as frequency converter, DC speed regulator, instrument, servo-valve; Utilize display screen to show, write running parameter or input operation order, realize people and the mutual digital device of machine information through input block (like touch-screen, keyboard, mouse etc.).
Data processing is collection, storage, retrieval, processing, conversion and the transmission to data.Data are to a kind of expression-form of the fact, notion or instruction, can be handled by manual work or automation equipment.The basic purpose of data processing from a large amount of, possibly be that to extract rambling, the elusive data and derive for some specific people are valuable, significant data.Data processing mainly contains four kinds of mode classifications and 1. distinguishes according to the frame mode of treatment facility, and in-line processing mode and off-line processing mode are arranged.2. distinguish according to the allocation scheme of data processing time, batch processing mode, time-division processing mode and real-time processing mode are arranged.3. distinguish according to data processing spatial distributions mode, centralized processing mode and distribution process mode are arranged.4. distinguish according to the working method of central processing unit (CPU), single track operation processing mode, multi-job processing mode and interactive processing mode are arranged
Summary of the invention
A kind of wind gear case oil quality monitor supervision platform; It comprises hardware and software; Said hardware comprises processor unit, shows touch screen unit, input block, output unit, storage unit, communication unit, power supply unit etc. that said software comprises (SuSE) Linux OS, data processing algorithm, Qt interface, SQLite database, communication etc.
For realizing above-mentioned technical purpose; The present invention adopts following technical scheme; The novel wind gear case oil quality monitor supervision platform of functions such as a kind of integrated data collection, touch-screen, SQLite database, RS232/RS485 communication, wireless telecommunications, ethernet communication, A/D based on ARM and Linux; Hardware comprises processor unit, shows touch screen unit, input block, output unit, storage unit, communication unit, power supply unit that software comprises (SuSE) Linux OS, data processing algorithm, Qt interface, SQLite database, communication etc.
Processor unit by ARM plate operation (SuSE) Linux OS, is carried out the program that the user edits by D/A or photoelectric coupled circuit on the one hand, controls, and does man-machine mutual on the other hand through display unit, input block and user; Simultaneously can data and the server at scene be carried out telecommunication, send it back processor, provide maintenance report by the more complicated calculating of expert system completion and trend analysis and with control signal; Obtain input quantity through input block, export through output unit after treatment and control the various kinds of equipment that is attached thereto.
For realizing that further above-mentioned technical purpose, said processor unit adopt processor unit to adopt the S3C6410 processor of Samsung is core; The exploitation core board, Peripheral Interfaces such as exploitation Ethernet interface, SD card, LCD Interface, as operating system, Qt is as the interface with linux for software, and Sqlite is as database, and the Qt interface is relatively independent; Said storage unit adopts 256MB flash memory FLASH.
For further realizing above-mentioned technical purpose, said input block is two parts, comprises 10 road optocouplers input change-over circuit and 4 road AD input circuits, and said output unit is two parts, comprises 20 tunnel light coupling relay output conversion circuits; Be connected to the input port of ARM after the switching value of outside input is isolated through photoelectricity, handle the back by relay or transistor circuit output through CPU.
In the present invention, touch-screen and LCD LCD constitute the HMI interface, to the user policer operation to equipment are provided.RS232/485 is mainly used in and connects various commercial units, and the USB Host of S3C6410 processor can connect other USB devices such as keyboard, mouse, USB flash disk.USB client is mainly used in the data transmission between linux system and the host computer, and promptly data and program uploads download.The RJ45 interface can connect Ethernet.SD card expansion interface is used for external SD with the transmission database data.Radio network interface is mainly used in the situation of being inconvenient to connect up, and is used to transmit data etc.
The invention has the beneficial effects as follows that than the off-line type oil liquid monitoring, function of the present invention and efficient have great advantage.As operating system, stability is high with the Linux2.6 of cutting in system.Work in the S3C6410 process chip of dominant frequency 533MHz/667MHz, its real-time performance satisfies industrial environment most logic and calculation task requirement.Qt is as the interface; The natural configuration programming mode of Qt makes interface development very easy; Being database towards Embedded SQL ite; Add and have abundant peripheral hardware: USB Host, USB client, 100M Ethernet, SD card etc. make this monitor supervision platform that good extensibility arranged, and are provided at the system editor function.The IO interface hardware designs of this programme adds a large amount of holding circuits in addition, and its antijamming capability is further strengthened.An on-line monitoring is accomplished in the oil quality monitoring that increases newly generally only needs a few minutes to arrive the time of dozens of minutes, and the result gets into database automatically.Need not hand sampling, directly the fluid in scavenge pipe or the gear case is analyzed, avoided the under-represented and secondary pollution problems of sampling.Solved the puzzlement of difficult sampling system simultaneously, and the cost of labor of sampling.
Description of drawings
Fig. 1 is construction module figure of the present invention.
Fig. 2 is the construction module figure of the preferred embodiment of the present invention.
Fig. 3 is the software architecture diagram of the preferred embodiment of the present invention.
Fig. 4 is the workflow diagram of the preferred embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing technical scheme of the present invention is done further explain.
Contrast accompanying drawing 1 and accompanying drawing 2; The present invention be based on the integrated data collection of ARM and Linux, touch-screen, SQLite database, RS232/RS485 communicate by letter, the novel wind gear case oil quality monitor supervision platform of function such as wireless telecommunications, ethernet communication, A/D; Hardware comprises processor unit, shows touch screen unit, input block, output unit, storage unit, communication unit, power supply unit that software comprises (SuSE) Linux OS, data processing algorithm, Qt interface, SQLite database, communication etc.。
Contrast accompanying drawing 3, software configuration mainly comprises system program and application program.The former accomplishes the task scheduling, storage allocation, Clock management, interrupt management of system, expanded functions such as driving, network, database, interface alternation is provided for the user, and the latter is for realizing the driving function of bottom hardware equipment for the user.The present invention selects for use Linux2.6.36.2 as operating system, and whole image file only has 4.0MB.Include various processing modules in the application program; The auxiliary break-make that is used for controlling solenoid valve in the forced lubrication fluid circulation system with outside auxiliary reclay of the operational module of digital quantity I/O mouth; Thereby realize the circulation of whole lubricating system; The pid control algorithm module is used for whole temperature is effectively calculated, and does support for oil remains under the desirable temperature range, and D/A handles mould and is used to control fluid round-robin speed; The A/D module is used for the data that sensor transmits are carried out digitizing, to make things convenient for processor data are handled, simultaneously with SQ Lite in data compare, draw the various parameters of fluid; The parameter processing module is used for preserving, revises parameter informations such as the various physicochemical properties of fluid.
Contrast accompanying drawing 4, this is the workflow diagram of a monitoring and diagnosis, at first the user sets some basic parameters of the fluid that uses; After gear case work, by data acquisition subsystem CPU is returned in data acquisition, draw the real time data of gear case based on some algorithms; Data among these data and the SQLite are mated, confirm final maintenance report by the result of mating, situation is normally provided normal report; When undesired; Add this information automation to fluid state repository subsystem, file a request to upper level remote expert system simultaneously, provide maintenance report by expert system.
Because natural cross-platform, succinct development scheme and the primary support expanded configuration of Qt, Qtopia2.2.0 is as the interface for the transplanting of this control plateform system, effect that to a certain extent can alternative configuration software.The interface mainly comprises modules such as the editor module, parameter setting, system monitoring of statement list.
The design proposal of a kind of wind-driven generator wheel-box lubricating oil Online Monitoring Control platform based on ARM and Linux provided by the present invention with other prior aries each other relatively the time, has more and gets the row advantage ready:
1. the embedded technology that adopts of the present invention has realized the control of gear case oil liquid systems from hardware and software angle.Control system CPU processing speed is fast, and control system is the real-time system of preemptive type, and real-time is stronger, meets the demand for control of gear case fully, has adopted novel fluid quality sensor and granularity probe simultaneously, and data are reliable.This programme has substituted the conventional artificial sampling, has avoided the under-represented and secondary pollution problems of sampling.
2. the present invention provides foundation for the realization condition based maintenance, and has reserved interface for other monitor mode, through hardware structure and software design, under the benefit notion of low hardware cost, promotes the performance of total system
The above description of this invention is one embodiment of the present of invention; Be illustrative; And it is nonrestrictive; Those skilled in the art is understood, and within spirit that claim limits and scope, can carry out many modifications, variation or equivalence to it, but they all should be regarded as falling within protection scope of the present invention being restricted.
Claims (6)
1. wind gear case oil quality monitor supervision platform; It comprises hardware and software; Said hardware comprises demonstration touch screen unit, processor unit, input block, output unit, storage unit, communication unit, power supply unit etc., and said software comprises (SuSE) Linux OS, data processing algorithm, Qt interface, SQLite database, communication etc.
2. monitor supervision platform according to claim 1 is characterized in that, said demonstration touch screen unit; With Qt as the interface; Constitute man-machine interface HMI jointly with input block, to the user policer operation to equipment is provided, the user selects the concrete model and the parameter of used oil product at this.
3. monitor supervision platform according to claim 1 is characterized in that, it is core that said processor unit adopts the S3C6410 processor; The exploitation core board, Peripheral Interfaces such as exploitation Ethernet interface, SD card, LCD Interface, the SD card is used to store on-the-spot service data, through Ethernet with data transmission in remote host computer; Software with linux as operating system; Qt is as the interface; Sqlite is as database, and the Qt interface is relatively independent to be used to select the lubricating oil model, and Sqlite contrasts as some basic parameter requests of database storing and field data through processor processes for the first time; Said storage unit adopts 256MB flash memory FLASH.
4. monitor supervision platform according to claim 1 is characterized in that said input block is two parts, comprises 10 road optocouplers input change-over circuit and 4 road AD input circuits, and said output unit is two parts, comprises 20 tunnel light coupling relay output conversion circuits; Be connected to the input port of ARM after the switching value of outside input is isolated through photoelectricity, handle the back by relay or transistor circuit output through CPU.
5. monitor supervision platform according to claim 1 is characterized in that said data acquisition unit is each association of sensor acquisition fluid such as fluid quality, temperature, pressure, liquid level, and sends the data to CPU element through change-over circuit.
6. monitor supervision platform according to claim 1 is characterized in that, said data process application; Compare according to the data of collecting unit and the data among the SQLite, all normally provide report, otherwise send to expert system; Draw diagnosis report, provide the condition based maintenance report simultaneously.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102976230A CN102789182A (en) | 2012-08-21 | 2012-08-21 | Wind turbine generator gearbox lubricating oil on-line monitor and control platform based on ARM (advanced RISC machine) |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102976230A CN102789182A (en) | 2012-08-21 | 2012-08-21 | Wind turbine generator gearbox lubricating oil on-line monitor and control platform based on ARM (advanced RISC machine) |
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| CN102789182A true CN102789182A (en) | 2012-11-21 |
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| CN2012102976230A Pending CN102789182A (en) | 2012-08-21 | 2012-08-21 | Wind turbine generator gearbox lubricating oil on-line monitor and control platform based on ARM (advanced RISC machine) |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103268108A (en) * | 2013-05-17 | 2013-08-28 | 郑州华力信息技术有限公司 | Intelligent transformer load management system |
| CN110285964A (en) * | 2019-08-01 | 2019-09-27 | 河海大学常州校区 | A kind of wind-driven generator wheel-box oil liquid on-line monitoring system |
-
2012
- 2012-08-21 CN CN2012102976230A patent/CN102789182A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103268108A (en) * | 2013-05-17 | 2013-08-28 | 郑州华力信息技术有限公司 | Intelligent transformer load management system |
| CN103268108B (en) * | 2013-05-17 | 2016-08-03 | 国家电网公司 | Intelligent load management system for transformer |
| CN110285964A (en) * | 2019-08-01 | 2019-09-27 | 河海大学常州校区 | A kind of wind-driven generator wheel-box oil liquid on-line monitoring system |
| CN110285964B (en) * | 2019-08-01 | 2021-07-13 | 河海大学常州校区 | Online oil monitoring system for gearbox of wind driven generator |
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Application publication date: 20121121 |