CN102108938A - Method for detecting running reliability of fan safety chain - Google Patents
Method for detecting running reliability of fan safety chain Download PDFInfo
- Publication number
- CN102108938A CN102108938A CN2011100721355A CN201110072135A CN102108938A CN 102108938 A CN102108938 A CN 102108938A CN 2011100721355 A CN2011100721355 A CN 2011100721355A CN 201110072135 A CN201110072135 A CN 201110072135A CN 102108938 A CN102108938 A CN 102108938A
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- CN
- China
- Prior art keywords
- fan
- blower fan
- safety chain
- theft
- timer
- 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.)
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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
Abstract
The invention relates to a method for detecting running reliability of a fan safety chain. The method comprises the following steps: (1) setting the detecting interval time of the safety chain in a controller; (2) judging whether a fan is at a power generating state or an emergency shut-down state, starting a timer if the fan is at the power generating state, and executing a step (3); and carrying out zero clearing on the timer if the fan is at the emergency shut-down state; (3) judging whether the time of the timer is greater than the detecting interval time, and executing a step (4) if yes; and returning to the step (2) if no; (4) judging whether the wind speed of the outer part of the fan is less than a designed value, and executing a step (5) if yes; and returning to the step (2) if no; (5) entering a safety chain detecting state, and triggering a fan safety chain system; and (6) judging whether the speed rate of a fan emergency paddle laying blade is not less than the designed value, if yes, returning to the step (2); and examining and repairing after shut down if no. By utilizing the method for detecting running reliability of the fan safety chain provided by the invention, the running reliability of the fan safety chain is detected, and the method is favorable for safe shut-down of the fan under any emergency condition.
Description
Technical field
The present invention relates to a kind of method that detects blower fan theft-resistant link chain operational reliability.
Background technique
The geographical position that blower fan is installed all is selected in wind-resources and meets the area that fan operation requires, working environment generally all compares badly, as remote coastal area or sandstorm area, under the situation that takes place that urgency or extraneous operating conditions reach capacity etc., need to start safe-guard system, thereby the significance of theft-resistant link chain is self-evident.Present most blower fan all is the speed-changing oar-changing blower fan, and wherein the overwhelming majority adopts powered battery, but reliably there is no any detecting method for the function of safety system is whether intact.
Summary of the invention
The object of the present invention is to provide a kind of method that detects blower fan theft-resistant link chain operational reliability, use this method, can be under the situation that does not increase any additional detected equipment, reliably judge whether the function of safety system is intact.
The objective of the invention is to be achieved through the following technical solutions: a kind of method that detects blower fan theft-resistant link chain operational reliability may further comprise the steps:
(1) in controller, sets the theft-resistant link chain assay intervals time;
(2) judge whether blower fan is in generating or emergency shutdown state,, start timer, execution in step (3) if wind power generating set is in generating state; If blower fan is in the emergency shutdown state, the timer zero clearing;
(3) whether judge timer time greater than the assay intervals time, if, execution in step (4); If, do not return step (2);
(4) whether judge the outside wind speed of blower fan less than design load, if, execution in step (5); If, do not return step (2);
(5) blower fan enters the theft-resistant link chain detected state, blower fan theft-resistant link chain system triggers;
(6) judge Blade Rate that blower fan promptly puts away the oars whether 〉=design load, if return step (2); If, do not shut down maintenance.
The present invention detects blower fan theft-resistant link chain operational reliability by to the control of fan operation pattern, helps guaranteeing that blower fan is taking place under any urgent situation, can dead halt; Help in time finding the problem of blower fan theft-resistant link chain existence, be convenient in time take to remedy maintenance measure.
Description of drawings
Fig. 1 is a flow chart of the present invention.
Embodiment
The present invention is further illustrated below in conjunction with accompanying drawing.
With reference to Fig. 1, this present invention may further comprise the steps:
Step S1: in controller, set the theft-resistant link chain assay intervals time;
Step S2: judge the fan operation state,, start timer, execution in step S3 if wind power generating set is in generating state; If blower fan is in the emergency shutdown state, the timer zero clearing;
Step S3: whether judge timer time greater than the assay intervals time, if, execution in step S4; If, do not return step S2;
Step S4: whether judge the outside wind speed of blower fan less than design load, if, execution in step S5; If, do not return step S2;
Step S5: blower fan enters the theft-resistant link chain detected state, blower fan theft-resistant link chain system triggers, execution in step S6 then;
Step S6: judge blower fan promptly put away the oars Blade Rate whether 〉=design load, if, show that the blower fan theft-resistant link chain is reliable, return step S2; If, do not shut down maintenance.
Just one embodiment of the present of invention of more than introducing, those skilled in the art can make the many variations example to the present invention according to the above description.Some details among the embodiment should not constitute limiting the scope of the invention.
Claims (1)
1. method that detects blower fan theft-resistant link chain operational reliability may further comprise the steps:
(1) in controller, sets the theft-resistant link chain assay intervals time;
(2) judge whether blower fan is in generating or emergency shutdown state,, start timer, execution in step (3) if the blower fan group is in generating state; If blower fan is in the emergency shutdown state, the timer zero clearing;
(3) whether judge timer time greater than the assay intervals time, if, execution in step (4); If, do not return step (2);
(4) whether judge the outside wind speed of blower fan less than design load, if, execution in step (5); If, do not return step (2);
(5) blower fan enters the theft-resistant link chain detected state, blower fan theft-resistant link chain system triggers;
(6) judge Blade Rate that blower fan promptly puts away the oars whether 〉=design load, if return step (2); If, do not shut down maintenance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100721355A CN102108938B (en) | 2011-03-24 | 2011-03-24 | Method for detecting running reliability of fan safety chain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100721355A CN102108938B (en) | 2011-03-24 | 2011-03-24 | Method for detecting running reliability of fan safety chain |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102108938A true CN102108938A (en) | 2011-06-29 |
| CN102108938B CN102108938B (en) | 2012-07-04 |
Family
ID=44173195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100721355A Active CN102108938B (en) | 2011-03-24 | 2011-03-24 | Method for detecting running reliability of fan safety chain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102108938B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112145372A (en) * | 2020-09-09 | 2020-12-29 | 上海电气风电集团股份有限公司 | Test method and control device of safety chain and wind driven generator thereof |
| CN112145372B (en) * | 2020-09-09 | 2024-05-14 | 上海电气风电集团股份有限公司 | Safety chain testing method, control device and wind driven generator thereof |
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| CN1525272A (en) * | 2003-02-27 | 2004-09-01 | ������������ʽ���� | Fan controlling equipment and method |
| JP3999973B2 (en) * | 2002-01-28 | 2007-10-31 | 株式会社荏原製作所 | Wind power generator operating method and wind power generator |
| CN101705908A (en) * | 2009-12-09 | 2010-05-12 | 三一电气有限责任公司 | Wind power generator set as well as state monitoring system thereof and method |
| CN101776042A (en) * | 2010-01-07 | 2010-07-14 | 南京科远自动化集团股份有限公司 | Stand-by safety chain monitoring and protecting device for wind power generation control system |
| WO2010099928A2 (en) * | 2009-03-02 | 2010-09-10 | Suzlon Energy Gmbh | Method for monitoring wind turbines |
| WO2011024760A1 (en) * | 2009-08-28 | 2011-03-03 | 三菱重工業株式会社 | Wind turbine for wind power generation |
-
2011
- 2011-03-24 CN CN2011100721355A patent/CN102108938B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3999973B2 (en) * | 2002-01-28 | 2007-10-31 | 株式会社荏原製作所 | Wind power generator operating method and wind power generator |
| CN1525272A (en) * | 2003-02-27 | 2004-09-01 | ������������ʽ���� | Fan controlling equipment and method |
| WO2010099928A2 (en) * | 2009-03-02 | 2010-09-10 | Suzlon Energy Gmbh | Method for monitoring wind turbines |
| WO2011024760A1 (en) * | 2009-08-28 | 2011-03-03 | 三菱重工業株式会社 | Wind turbine for wind power generation |
| JP2011047359A (en) * | 2009-08-28 | 2011-03-10 | Mitsubishi Heavy Ind Ltd | Wind turbine for wind power generation |
| CN101705908A (en) * | 2009-12-09 | 2010-05-12 | 三一电气有限责任公司 | Wind power generator set as well as state monitoring system thereof and method |
| CN101776042A (en) * | 2010-01-07 | 2010-07-14 | 南京科远自动化集团股份有限公司 | Stand-by safety chain monitoring and protecting device for wind power generation control system |
Non-Patent Citations (1)
| Title |
|---|
| 《电网与清洁能源》 20080930 蒋东翔等 风力机状态监测与故障诊断技术研究 第24卷, 第3期 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112145372A (en) * | 2020-09-09 | 2020-12-29 | 上海电气风电集团股份有限公司 | Test method and control device of safety chain and wind driven generator thereof |
| CN112145372B (en) * | 2020-09-09 | 2024-05-14 | 上海电气风电集团股份有限公司 | Safety chain testing method, control device and wind driven generator thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102108938B (en) | 2012-07-04 |
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