CN206942938U - A kind of Wind turbines number of lightning strokes monitoring device - Google Patents
A kind of Wind turbines number of lightning strokes monitoring device Download PDFInfo
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- CN206942938U CN206942938U CN201720673172.4U CN201720673172U CN206942938U CN 206942938 U CN206942938 U CN 206942938U CN 201720673172 U CN201720673172 U CN 201720673172U CN 206942938 U CN206942938 U CN 206942938U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model discloses a kind of Wind turbines number of lightning strokes monitoring device, including lightning-protection module, data acquisition module and data processing module, the lightning-protection module is used for needing each device of lightning protection to be connected in Wind turbines；The data acquisition module is connected with lightning-protection module, for gathering the temperature change value of lightning-protection module, record lightning-protection module temperature rising-time data and gather the status data value of lightning-protection module local environment, and the data value signal of collection is sent to connected data processing module；The data processing module, the state data signals for the temperature data signal of each lightning-protection module of combination and with its local environment, analysis judge whether each lightning-protection module is struck by lightning, and count the cumulative number of the suffered thunderbolt of each lightning-protection module.The utility model realizes the monitoring to lightning-protection module number of lightning strokes, realizes specific aim lightning Protection Design always according to collection signal, reduce thunderbolt risk, improve aerogenerator unit safe and stability by monitoring the temperature change of lightning-protection module.
Description
Technical field
The anti-lightning strike technical field of Wind turbines is the utility model is related to, is supervised more particularly to a kind of Wind turbines number of lightning strokes
Survey device.
Background technology
With the constantly development of wind power generation field, wind energy turbine set installed capacity rises year by year, and the distribution of wind power plant is also got over
Come more extensive, the ratio shared by wind-power electricity generation is increasing, has been increasingly becoming a kind of conventional energy resource.With installed capacity of wind-driven power
Rise year by year, the environment residing for wind power generating set is also increasingly complicated, and particularly the accounting in mountain region and marine environment also gradually rises
Height, thus need blower fan lightning protection and thunderbolt monitoring device more complete.Due to developing rapidly for several years ago wind-powered electricity generation, much exist at present
The Wind turbines of operation are not all monitored to the number of lightning strokes of lightning-protection module, and it is lightning-protection module quilt only to have breakdown monitoring
The feedback of broken by lightning.But due to considering the incomplete or attention degree factor such as not enough originally, caused by problem left over by history
Start to generate considerable influence to Wind turbines.
In the actual moving process of wind power generating set, lightning current can be directed to unit ground connection after arrester connects sudden strain of a muscle
In system, the supply line of Wind turbines is possible to produce crosstalk lightning current.And when blade arrester be rotated away from release it is logical
During road, the leakage path that will result in lightning current drifts about, i.e., upstream or downstream leakage path can leave arrester, so as to make
Into connecing the failure of sudden strain of a muscle, and induced lightening electric current at this moment can be produced around unit.Either crosstalk lightning current or induced lightening electric current
The safe operation of unit will be damaged, wherein it is especially high with the harm frequency of the induced lightening electric current to unit control system,
So the monitoring for the particularly induced lightening number of lightning strokes that is struck by lightning to unit is very necessary.
As can be seen here, the utility model on the basis of existing technology, will found a kind of new Wind turbines number of lightning strokes
Monitoring device, its lightning-protection module to Wind turbines is realized the monitoring of number of lightning strokes, improve the security of Wind turbines and steady
It is qualitative.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of Wind turbines number of lightning strokes monitoring device, makes it to wind
The lightning-protection module of group of motors realizes the monitoring of number of lightning strokes, improves the safety and stability of Wind turbines.
In order to solve the above technical problems, the utility model provides a kind of Wind turbines number of lightning strokes monitoring device, including it is anti-
Thunder module, data acquisition module and data processing module,
The lightning-protection module, for needing each device of lightning protection to be connected in the Wind turbines；
The data acquisition module, it is connected with the lightning-protection module, for gathering the temperature change value of the lightning-protection module,
The status data value of the lightning-protection module temperature rising-time data and the collection lightning-protection module local environment is recorded, and will collection
Data value signal be sent to the connected data processing module；
The data processing module, for the temperature data letter of each lightning-protection module transmitted with reference to the data acquisition module
Number and the state data signals with its local environment, analysis judge whether the lightning-protection module is struck by lightning, and count it is described respectively
The cumulative number of the suffered thunderbolt of lightning-protection module.
Further improve, the lightning-protection module includes AC690 subsystems lightning-protection module, generator lightning-protection module, current transformer
Lightning-protection module, AC400V subsystems lightning-protection module, DC24V subsystems lightning-protection module, vibrational system lightning-protection module and wind measuring system
One or more in lightning-protection module.
Further improve, the data processing module includes data judging module, data validation module, counting module and event
Hinder determination module,
The data judging module, for judging whether the temperature data signal of the lightning-protection module is as caused by thunderbolt
Data variation；
The data validation module, for receiving the data caused by thunderbolt drawn as the data judging module,
And data are caused to be sent to the counting module by thunderbolt by described；
The counting module, for counting the thunderbolt cumulative number transmitted by the data validation module；
The fault determination module, it is different as caused by thunderbolt as being not belonging to of drawing of the data judging module for receiving
Regular data, and judge whether the abnormal data is caused by the data acquisition module failure.
After such design, the utility model at least has advantages below：
The utility model utilizes heating principle of the electric current by metallic conductor, by monitoring the temperature change of lightning-protection module,
The monitoring to lightning-protection module number of lightning strokes is realized, that is, realizes the status monitoring being struck by lightning to Wind turbines, the utility model one side
Face can obtain number of the Wind turbines lightning-protection module by lightning current, get the related data of local lightning current；The opposing party
Face can also realize targetedly lightning Protection Design according to the data that are collected into, reduce blower fan because be struck by lightning impact to control system and
Influence, reduce the thunderbolt risk of blower fan to a certain extent, improve the safety in operation and stability of wind power generating set.
Brief description of the drawings
Above-mentioned is only the general introduction of technical solutions of the utility model, in order to better understand technology hand of the present utility model
Section, below in conjunction with accompanying drawing, the utility model is described in further detail with embodiment.
Fig. 1 is the structure principle chart of the utility model Wind turbines number of lightning strokes monitoring device.
Embodiment
Monitoring of the utility model to Wind turbines number of lightning strokes, it is by increasing in wind power generating set electrical system
Wind turbines number of lightning strokes monitoring device is realized.
Referring to the drawings shown in 1, the Wind turbines number of lightning strokes monitoring device includes lightning-protection module, data acquisition module sum
According to processing module.
The lightning-protection module, for needing each device of lightning protection to be connected in the Wind turbines, to prevent thunderbolt to each device
Damage.In the present embodiment lightning-protection module include AC690 subsystems lightning-protection module, generator lightning-protection module, current transformer lightning-protection module,
In AC400V subsystems lightning-protection module, DC24V subsystems lightning-protection module, vibrational system lightning-protection module and wind measuring system lightning-protection module
One or more.
The data acquisition module, it is connected with each lightning-protection module, for gathering the temperature change value of each lightning-protection module, record
The status data value of its temperature rising-time data and each lightning-protection module local environment of collection, and the data value signal of collection is carried out
The connected data processing module is sent to after filtering process.
The data processing module, for combine the data acquisition module transmission each lightning-protection module temperature data signal and
With the state data signals of its local environment, analysis judges whether the lightning-protection module is struck by lightning, and counts each lightning-protection module institute
The cumulative number being struck by lightning.
Specifically, the data processing module includes data judging module, data validation module, counting module and fault verification
Module.
The data judging module, for judging whether the temperature data signal of the lightning-protection module is the data as caused by thunderbolt
Change, if belonging to, the data validation module is sent to by the temperature data signal of the lightning-protection module；, should if being not belonging to
The temperature data signal of lightning-protection module is sent to the fault determination module.
The data validation module, for receiving the data caused by thunderbolt drawn as the data judging module, and will
By thunderbolt data should be caused to be sent to the counting module.
The counting module, for counting the thunderbolt cumulative number transmitted by the data validation module, then draw each lightning protection
The number that module is struck by lightning, finally realize the monitoring to Wind turbines lightning protection number.
The fault determination module, the abnormal number as caused by thunderbolt is not belonging to as what the data judging module was drawn for receiving
According to, and the abnormal data is judged whether as caused by the data acquisition module failure, if being drawn by the data acquisition module failure
Rise, then the data acquisition module failure is detected and excluded；If not as caused by the data acquisition module failure, such as
Frame-skipping, then do not omit this data.
The operation principle of the utility model Wind turbines number of lightning strokes monitoring device is：Pass through metallic conductor using electric current
Heating principle, when lightning-protection module is being struck by lightning, there is fever phenomenon in the presence of lightning current in the lightning-protection module, then this Shen
Please by monitoring the temperature change of lightning-protection module, realize the monitoring to lightning-protection module number of lightning strokes, that is, realize to Wind turbines by
The status monitoring of thunderbolt.
The Wind turbines number of lightning strokes monitoring method of the above-mentioned Wind turbines number of lightning strokes monitoring device comprises the following steps：
(1) temperature change value of each lightning-protection module and temperature rising-time data in the Wind turbines, and each lightning protection are gathered
The status data value of module local environment；
(2) temperature data signal for each lightning-protection module that step (1) collects and the status number with its local environment are combined
It is believed that number, analysis judges whether each lightning-protection module is struck by lightning, and counts the cumulative number of the suffered thunderbolt of each lightning-protection module,
So as to realize the purpose of number of lightning strokes monitoring suffered by lightning-protection module.
Wherein, judge whether the temperature data signal for each lightning-protection module that the step (1) collects belongs to by being struck by lightning first
Caused data variation signal, if belonging to, is handled by valid data, is counted once, and accumulative number of lightning strokes；If being not belonging to, press
Dealing of abnormal data.
According to the concrete condition of abnormal data in the dealing of abnormal data, judge whether the abnormal data belongs to step (1)
The failure of middle data collection steps, if belonging to, the step (1) is detected, so that the Wind turbines number of lightning strokes monitoring side
Method normal operation；Such as it is not belonging to, ignores this data.
The utility model can also judge the lightning protection mould according to temperature data situation of change in each lightning-protection module collected
Can block meet the requirement of the Wind turbines lightning protection, if need to exchange it, further to realize the Wind turbines
The optimization of lightning-protection system.
The utility model can both obtain Wind turbines lightning-protection module and pass through by monitoring the temperature change value of lightning-protection module
The number of lightning current, the related data of local lightning current can be got again, realize the prison of wind turbine generator set lightning protection system validity
Survey；Targetedly lightning protection can also be realized according to monitoring result, targetedly carry out lightning-protection system optimization, reduce wind turbine machine
Because of the impact and influence be struck by lightning on control system, the thunderbolt risk of blower fan is reduced to a certain extent, improves wind power generating set
Safety in operation and stability.
It is described above, only it is preferred embodiment of the present utility model, not the utility model is made any formal
Limitation, those skilled in the art make a little simple modification, equivalent variations or modification using the technology contents of the disclosure above,
Fall in the scope of protection of the utility model.
Claims (3)
1. a kind of Wind turbines number of lightning strokes monitoring device, it is characterised in that including lightning-protection module, data acquisition module and data
Processing module,
The lightning-protection module, for needing each device of lightning protection to be connected in the Wind turbines；
The data acquisition module, it is connected with the lightning-protection module, for gathering the temperature change value of the lightning-protection module, record
The status data value of the lightning-protection module temperature rising-time data and the collection lightning-protection module local environment, and by the number of collection
The connected data processing module is sent to according to signal value；
The data processing module, for the temperature data signal of each lightning-protection module that is transmitted with reference to the data acquisition module and
With the state data signals of its local environment, analysis judges whether the lightning-protection module is struck by lightning, and counts each lightning protection
The cumulative number of the suffered thunderbolt of module.
2. Wind turbines number of lightning strokes monitoring device according to claim 1, it is characterised in that the lightning-protection module includes
AC690 subsystems lightning-protection module, generator lightning-protection module, current transformer lightning-protection module, AC400V subsystems lightning-protection module, DC24V
One or more in subsystem lightning-protection module, vibrational system lightning-protection module and wind measuring system lightning-protection module.
3. Wind turbines number of lightning strokes monitoring device according to claim 1, it is characterised in that
The data processing module includes data judging module, data validation module, counting module and fault determination module,
The data judging module, for judging whether the temperature data signal of the lightning-protection module is the data as caused by thunderbolt
Change；
The data validation module, for receiving the data caused by thunderbolt drawn as the data judging module, and will
It is described to cause data to be sent to the counting module by thunderbolt；
The counting module, for counting the thunderbolt cumulative number transmitted by the data validation module；
The fault determination module, the abnormal number as caused by thunderbolt is not belonging to as what the data judging module was drawn for receiving
According to, and judge whether the abnormal data is caused by the data acquisition module failure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720673172.4U CN206942938U (en) | 2017-06-12 | 2017-06-12 | A kind of Wind turbines number of lightning strokes monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720673172.4U CN206942938U (en) | 2017-06-12 | 2017-06-12 | A kind of Wind turbines number of lightning strokes monitoring device |
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| Publication Number | Publication Date |
|---|---|
| CN206942938U true CN206942938U (en) | 2018-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720673172.4U Active CN206942938U (en) | 2017-06-12 | 2017-06-12 | A kind of Wind turbines number of lightning strokes monitoring device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061187A (en) * | 2017-06-12 | 2017-08-18 | 国电联合动力技术有限公司 | A kind of Wind turbines number of lightning strokes monitoring method and device |
| CN112727710A (en) * | 2020-12-15 | 2021-04-30 | 北京天泽智云科技有限公司 | Wind field thunderbolt density statistical method and system based on audio signals |
-
2017
- 2017-06-12 CN CN201720673172.4U patent/CN206942938U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061187A (en) * | 2017-06-12 | 2017-08-18 | 国电联合动力技术有限公司 | A kind of Wind turbines number of lightning strokes monitoring method and device |
| CN107061187B (en) * | 2017-06-12 | 2023-11-14 | 国电联合动力技术有限公司 | Wind turbine generator system lightning stroke frequency monitoring method and device |
| CN112727710A (en) * | 2020-12-15 | 2021-04-30 | 北京天泽智云科技有限公司 | Wind field thunderbolt density statistical method and system based on audio signals |
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