CN109254736A - A kind of system of condition monitoring and data self-sizing storage method - Google Patents

A kind of system of condition monitoring and data self-sizing storage method Download PDF

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Publication number
CN109254736A
CN109254736A CN201811250437.5A CN201811250437A CN109254736A CN 109254736 A CN109254736 A CN 109254736A CN 201811250437 A CN201811250437 A CN 201811250437A CN 109254736 A CN109254736 A CN 109254736A
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CN
China
Prior art keywords
data
storage
module
numerical value
screening
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Pending
Application number
CN201811250437.5A
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Chinese (zh)
Inventor
李斌
安雪晶
程曾
史贵昌
乔电电
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Ding Haoxin Source Beijing Science And Technology Ltd
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Ding Haoxin Source Beijing Science And Technology Ltd
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Priority to CN201811250437.5A priority Critical patent/CN109254736A/en
Publication of CN109254736A publication Critical patent/CN109254736A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06Digital input from or digital output to record carriers, e.g. RAID, emulated record carriers, networked record carriers
    • G06F3/0601Dedicated interfaces to storage systems
    • G06F3/0602Dedicated interfaces to storage systems specifically adapted to achieve a particular effect
    • G06F3/0608Saving storage space on storage systems
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06Digital input from or digital output to record carriers, e.g. RAID, emulated record carriers, networked record carriers
    • G06F3/0601Dedicated interfaces to storage systems
    • G06F3/0628Dedicated interfaces to storage systems making use of a particular technique
    • G06F3/0646Horizontal data movement in storage systems, i.e. moving data in between storage devices or systems
    • G06F3/0652Erasing, e.g. deleting, data cleaning, moving of data to a wastebasket

Abstract

The invention discloses data storage device technical fields, more particularly, to a kind of system of condition monitoring and data self-sizing storage method.A kind of system of condition monitoring and data self-sizing storage method, by vibrating data collection module, rotary speed data acquisition module, data processing module, numerical value compare modules A, data storage device, disk space detection module, numerical value comparison module B, data screening storage device are distinguished Electricity Federation and are constituted.Its beneficial effect is: overcoming deficiency in the prior art, provide a kind of storing data postsearch screening, data continuity memory technology, automatic screening invalid data, valid data are automatically stored, automatic arranging disk space, so that effective storing data is reached the 3-5 year of standard, provides effective data support for the fault diagnosis technology of wind-powered electricity generation industry.

Description

A kind of system of condition monitoring and data self-sizing storage method
Technical field
The present invention relates to data storage device technical field, more particularly, to a kind of system of condition monitoring and data from Screen storage method.
Background technique
Wind-powered electricity generation industry has also welcome the worry of growth, although the design of wind-driven generator after in a few years growing at top speed And manufacturing technology has become better and approaching perfection day by day, but the operation and maintenance of Wind turbines become current critical issue urgently to be solved;Due to wind Power generator group is located at the air ports such as high mountain, seabeach, island, under the influence of the impact of strong gusts of wind and extreme difference in temperature, wind-force Generating set failure happens occasionally.Research shows that: the failure of the components such as gear-box, transmission chain and generator is to lead to downtime Longest, the reason of economic loss maximum;Fault diagnosis technology be a fusion electronics, computer, signal analysis with data processing, How the multi-disciplinary technology such as artificial intelligence reduces Wind turbines failure rate with the continuous development of wind power industry, improves The economic benefit of wind power plant becomes current research hotspot, in this context wind power generating set status monitoring and self-diagnosis of trouble The research of disconnected technology seems particularly significant, and by acquisition, fan trouble data are stored by digital information, generally requires storage 3- 5 years, data analysis required high frequency sampling, but mass data storage ability in the prior art can only maintain 21 months left sides The right side far can not reach the storage request of 3-5, how store acquisition for a long time, fan trouble data become the prior art urgently Problem to be solved.
Summary of the invention
The purpose of the present invention is to provide a kind of system of condition monitoring and data self-sizing storage method, the present invention to adopt Technical solution is: it is characterized in that: by vibrating data collection module, rotary speed data acquisition module, data processing module, numerical value Comparison module A, data storage device, disk space detection module, numerical value comparison module B, data screening storage device are electric respectively Connection is constituted;
Wherein:
Vibrating data collection module: for acquiring fan vibration data according to the sample frequency of setting;
Rotary speed data acquisition module: for acquiring rotation speed of fan data according to the sample frequency of setting;
Data processing module: it is used for vibrating data collection module, the collected fan vibration of rotary speed data acquisition module Data carry out automatic arranging, and are divided into mono- group of every 2h;The daily raw 12 groups of data of common property, and every group of data calculate effectively Value;
Numerical value compares modules A: comparing 12 data valids of data processing module generation, larger one group of data and is somebody's turn to do Previous group, the later group data of data are found out and are identified;
Data storage device: storage numerical value compares two groups of data after modules A analysis.
Disk space detection module: automatic detection analysis deposited storing data occupancy disk space and active volume it is big It is small;
Numerical value comparison module B: comparing storing data amount of capacity and disk active volume size, and when, storing data is held Measuring size is more than log-on data screening sequence after 2/3 disk active volume size, calculates the data valid in storing data, Using the time as label, the every 7 groups of data of sequence are a unit, pick out that virtual value is maximum and to issue data screening by one group automatically Storage device.
Data screening storage device: it maximum one group of virtual value in the unit after retaining numerical value comparison module B analysis, deletes After other six groups of invalid datas, valid data are subjected to preservation storage.
The invention has the advantages that: deficiency in the prior art is overcome, it is secondary to provide a kind of storing data Valid data are automatically stored in screening, data continuity memory technology, automatic screening invalid data, and automatic arranging disk space makes Effective storing data reaches the 3-5 year of standard, provides effective data support for the fault diagnosis technology of wind-powered electricity generation industry.
Detailed description of the invention
Fig. 1 is the work flow diagram of data collection and analysis of the invention;
Fig. 2 is the calculation formula figure of data collection and analysis of the invention;
In figure, 101 vibrating data collection modules, 102 rotary speed data acquisition modules, 103 data processing modules, 104 numerical value Comparison module A, 105 data storage devices, 106 disk space detection modules, 107 numerical value comparison module B, 108 data screenings are deposited Storage device.
Specific embodiment
Below in conjunction with drawings and examples, the present invention is further illustrated.
A kind of system of condition monitoring of the invention and data self-sizing storage method, it is characterized in that: by vibration data Acquisition module 101, rotary speed data acquisition module 102, data processing module 103, numerical value compare modules A 104, data storage device 105, disk space detection module 106, numerical value comparison module B107, the difference of data screening storage device 108 Electricity Federation is constituted;
Wherein:
Vibrating data collection module 101: for acquiring fan vibration data v according to the sample frequency of settingi
Rotary speed data acquisition module 102: for acquiring rotation speed of fan data according to the sample frequency of setting;
Data processing module 103: for vibrating data collection module 101, rotary speed data acquisition module 102 is collected Fan vibration data viAutomatic arranging is carried out, and is divided into mono- group of every 2h;The daily raw 12 groups of data of common property, and every group of data are carried out Calculate virtual value Vrms
Numerical value compares modules A 104: comparing 12 data valids of the generation of data processing module 103, larger one group of number It finds out and is identified according to previous group, the later group data with the data;
Data storage device 105: storage numerical value compares two groups of data after modules A 104 is analyzed.
Disk space detection module 106: automatic detection analysis has deposited the disk space and active volume of storing data occupancy Size;
Numerical value comparison module B107: comparing storing data amount of capacity and disk active volume size, when having stored number It is more than log-on data screening sequence after 2/3 disk active volume size according to amount of capacity, the data calculated in storing data are effective Value, using the time as label, the every 7 groups of data of sequence are a unit, pick out that virtual value is maximum and to issue data by one group automatically Screen storage device 108.
Data screening storage device 108: virtual value maximum one in the unit after retaining numerical value comparison module B107 analysis Valid data are carried out preservation storage after deleting other six groups of invalid datas by group.
The data of real-time data base storage in the prior art are acquired from acceleration transducer, real time data free of discontinuities Store the waveform of signal;For an acquisition channel, sample frequency 192Hz, then the single pass points of 1S are 8192 A, sampling real-coded GA storage accounts for the memory space of 16K byte.
General wind generating set vibration monitoring site is 8,8 channels, one day data volume are as follows:
16K*8*60s*60min*24h=11059200K
It calculates it is found that 1059200K=10.54G
4*1024G/10.54G=388.6 it
So 33 Fans of wind power plant, the real time data of acquisition in 11.7 days can be filled with the hard disk of 4T, the prior art In wind field configuration server data memory space generally in 2T or so, the storage that the prior art cannot obviously reach standard is wanted It asks.
The present invention passes through data processing module 103 for the data line automatic arranging after acquisition, and is divided into mono- group of every 2h;Daily Common property gives birth to 12 groups of data, and carries out calculating virtual value to every group of data;Compare modules A 104 by numerical value and compares data processing mould 12 data valids that block 103 generates, find out previous group, the later group data of larger one group of data and the data and go forward side by side Line identifier;Numerical value is stored by data storage device 105 again and compares two groups of data after modules A 104 is analyzed;When disk space is examined It surveys module 106 and detects that storing data amount of capacity is more than log-on data screening sequence after 2/3 disk active volume size, The data valid in storing data is calculated, using the time as label, the every 7 groups of data of sequence are a unit, have been picked out automatically Valid value is maximum and to issue data screening storage device 108 by one group, data screening storage device 108: retaining numerical value comparison module Maximum one group of virtual value in unit after B107 analysis, after deleting other six groups of invalid datas, valid data are protected Storage.
The present invention relates to every group of data valid calculation formula such as Fig. 2:
Wherein, Vrms is data valid;
T is each group of data acquisition time length;
Vi is i-th of numerical value in every group of data;
The present invention relates to the bigger submethods of data, are all made of bubble sort method.
The present invention overcomes deficiency in the prior art, a kind of storing data postsearch screening is provided, data continuity is deposited Valid data are automatically stored in storage technology, automatic screening invalid data, and automatic arranging disk space reaches effective storing data The 3-5 year of standard provides effective data support for the fault diagnosis technology of wind-powered electricity generation industry.
The present invention is not limited to the above-described embodiments, anyone should learn make under the inspiration of the present invention with the present invention With same or similar technical solution, fall within the scope of protection of the present invention.
Technology not described in detail in the present invention, shape, construction portion are well-known technique.

Claims (1)

1. a kind of system of condition monitoring and data self-sizing storage method, it is characterized in that: being turned by vibrating data collection module Fast data acquisition module, data processing module, numerical value compare modules A, data storage device, disk space detection module, numerical value Comparison module B, data screening storage device are distinguished Electricity Federation and are constituted;
Wherein:
Vibrating data collection module: for acquiring fan vibration data according to the sample frequency of setting;
Rotary speed data acquisition module: for acquiring rotation speed of fan data according to the sample frequency of setting;
Data processing module: it is used for vibrating data collection module, the collected fan vibration data of rotary speed data acquisition module Automatic arranging is carried out, and is divided into mono- group of every 2h;The daily raw 12 groups of data of common property, and calculating virtual value is carried out to every group of data;
Numerical value compares modules A: comparing 12 data valids of data processing module generation, larger one group of data and the data Previous group, later group data find out and are identified;
Data storage device: storage numerical value compares two groups of data after modules A analysis.
Disk space detection module: automatic detection analysis has deposited the disk space of storing data occupancy and the size of active volume;
Numerical value comparison module B: compare storing data amount of capacity and disk active volume size, storing data capacity is big when It is small more than 2/3 disk active volume size after, log-on data screening sequence, calculate storing data in data valid, with when Between be label, the every 7 groups of data of sequence are a unit, pick out that virtual value is maximum and to issue data screening storage by one group automatically Device.
Data screening storage device: maximum one group of virtual value in the unit after retaining numerical value comparison module B analysis, other are deleted Six groups of invalid datas after, valid data are subjected to preservation storage.
CN201811250437.5A 2018-10-25 2018-10-25 A kind of system of condition monitoring and data self-sizing storage method Pending CN109254736A (en)

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CN201811250437.5A CN109254736A (en) 2018-10-25 2018-10-25 A kind of system of condition monitoring and data self-sizing storage method

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Application Number Priority Date Filing Date Title
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102156043A (en) * 2010-12-31 2011-08-17 北京四方继保自动化股份有限公司 Online state monitoring and fault diagnosis system of wind generator set
CN102434387A (en) * 2011-11-16 2012-05-02 三一电气有限责任公司 Draught fan detection and diagnosis system
CN202645849U (en) * 2012-07-10 2013-01-02 国电联合动力技术有限公司 Wind turbine generator state monitoring and fault diagnosing system coupled with control system
CN104346102A (en) * 2013-08-06 2015-02-11 上海联影医疗科技有限公司 Automatic data deleting method based on DICOM

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102156043A (en) * 2010-12-31 2011-08-17 北京四方继保自动化股份有限公司 Online state monitoring and fault diagnosis system of wind generator set
CN102434387A (en) * 2011-11-16 2012-05-02 三一电气有限责任公司 Draught fan detection and diagnosis system
CN202645849U (en) * 2012-07-10 2013-01-02 国电联合动力技术有限公司 Wind turbine generator state monitoring and fault diagnosing system coupled with control system
CN104346102A (en) * 2013-08-06 2015-02-11 上海联影医疗科技有限公司 Automatic data deleting method based on DICOM

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