CN110307126B - Wind driven generator fault acquisition system and method - Google Patents
Wind driven generator fault acquisition system and method Download PDFInfo
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- CN110307126B CN110307126B CN201910537479.5A CN201910537479A CN110307126B CN 110307126 B CN110307126 B CN 110307126B CN 201910537479 A CN201910537479 A CN 201910537479A CN 110307126 B CN110307126 B CN 110307126B
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- signal
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- wind driven
- driven generator
- bolt assembly
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D17/00—Monitoring or testing of wind motors, e.g. diagnostics
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a fault acquisition system of a wind driven generator, which comprises a signal circuit: the bolt assembly is arranged in the wind driven generator; when the bolt assembly of the wind driven generator is loosened, the signal circuit is disconnected, otherwise, the signal circuit is communicated; a signal generator: one end of the signal circuit is connected, and the signal circuit is sent with a signal; a terminal: the other end of the signal circuit is connected; responding to the received signal sent by the signal generator, and judging that the bolt assembly of the wind driven generator is normal; and judging that the bolt assembly of the wind driven generator is loosened in response to not receiving the signal sent by the signal generator. A corresponding method is also disclosed. According to the invention, the signal circuit is arranged in the bolt assembly of the wind driven generator, whether the bolt assembly of the wind driven generator is normal or not is judged according to whether the received signal is received, and the problem that the bolt cannot be detected by the conventional system is effectively solved; meanwhile, the height does not need to be climbed, and the safety risk is reduced.
Description
Technical Field
The invention relates to a system and a method for acquiring faults of a wind driven generator, and belongs to the field of wind motor detection.
Background
Wind power generation converts kinetic energy of wind into electric energy. Wind energy is increasingly gaining attention as a clean renewable energy source in all countries of the world. Wind power generators are the main devices for wind power generation. After the wind driven generator is put into use for one stage, in order to ensure that the wind driven generator can keep a safe and stable running state, maintenance work should be regularly carried out, wherein the maintenance work comprises the detection of the torque of a bolt (the bolt for fixing and assembling the generator) and the detection of electrical connection; meanwhile, a plurality of wind driven generators are arranged at the top of the wind power tower, so that certain safety risk exists.
Disclosure of Invention
The invention provides a fault acquisition system and method for a wind driven generator, which solve the problems of the conventional fault acquisition system.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a wind driven generator fault acquisition system comprises a wind driven generator fault acquisition system,
a signal circuit: the bolt assembly is arranged in the wind driven generator; when the bolt assembly of the wind driven generator is loosened, the signal circuit is disconnected, otherwise, the signal circuit is communicated;
a signal generator: one end of the signal circuit is connected, and the signal circuit is sent with a signal;
a terminal: the other end of the signal circuit is connected; responding to the received signal sent by the signal generator, and judging that the bolt assembly of the wind driven generator is normal; and judging that the bolt assembly of the wind driven generator is loosened in response to not receiving the signal sent by the signal generator.
The wind driven generator bolt assembly comprises a bolt, a nut matched with the bolt and at least two gaskets sleeved on the bolt.
The center of two adjacent gasket opposite faces all is provided with annular conductive part, and two annular conductive parts are relative to two conductive parts connect signal generator and terminal respectively, and it has a plurality of cavitys to open on one of them annular conductive part, is provided with spring and insulating ball in the cavity, and the one end of spring is fixed bottom the cavity, and the insulating ball is extruded to the other end, and insulating ball is partial spheroid in the effect of spring and stretches out the cavity.
The gasket side wall provided with the annular conductive part is provided with a socket which is connected with the annular conductive part and is connected with an interface at the bottom of the wind power tower barrel through a differential connection line.
The annular conductive part is a copper sheet.
All cavities are on the same circumference and the circumference is coaxial with the gasket on which the cavities are located.
The method of the wind power generator fault acquisition system comprises the steps of,
connecting a signal generator and a terminal to two ends of a signal circuit;
starting a signal generator to send a signal to a signal circuit;
responding to the received signal sent by the signal generator, and judging that the wind driven generator bolt assembly corresponding to the signal circuit is normal;
and in response to the fact that the signal sent by the signal generator is not received, judging that the bolt assembly of the wind driven generator corresponding to the signal circuit is loosened.
The invention achieves the following beneficial effects: according to the invention, the signal circuit is arranged in the bolt assembly of the wind driven generator, whether the bolt assembly of the wind driven generator is normal or not is judged according to whether the received signal is received, and the problem that the bolt cannot be detected by the conventional system is effectively solved; meanwhile, the height does not need to be climbed, and the safety risk is reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a bolt assembly of the wind turbine;
FIG. 3 is a cross-sectional view of a gasket having a cavity;
FIG. 4 is a top view of a shim with a cavity;
FIG. 5 is a cross-sectional view of a gasket without a cavity;
fig. 6 is a top view of a gasket without a cavity.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in FIG. 1, the wind driven generator fault acquisition system comprises a signal circuit, a signal generator 1 and a terminal 2.
The signal circuit is arranged in the bolt assembly of the wind driven generator; when the bolt assembly of the wind driven generator is loosened, the signal circuit is disconnected, otherwise, the signal circuit is communicated.
As shown in fig. 2, the wind turbine bolt assembly includes a bolt 5, a nut 6 matching the bolt 5, and at least two washers 7 fitted over the bolt 5.
As shown in fig. 3 to 6, the centers of the opposite surfaces of two adjacent gaskets 7 are both provided with an annular conductive part 8, the annular conductive part 8 is a copper sheet, the two annular conductive parts 8 are opposite, and the two conductive parts are respectively connected with the signal generator 1 and the terminal 2, one of the annular conductive parts 8 is provided with a plurality of cavities 9, all the cavities 9 are on the same circumference, the circumference is coaxial with the gasket 7 where the cavity 9 is located, the cavity 9 is internally provided with a spring 10 and an insulating ball 11, one end of the spring 10 is fixed with the bottom of the cavity 9, the other end of the spring extrudes the insulating ball 11, and part of the ball body of the insulating ball 11 extends out of the cavity.
The insulating ball 11 is a metal ball coated with an insulating layer, and the insulating ball 11 extends out of the cavity 9 by about 1/3.
The side wall of the gasket 7 provided with the annular conductive part 8 is provided with a socket 12, the socket 12 is connected with the annular conductive part 8, and the socket 12 is connected with the interface 4 at the bottom of the wind power tower 3 through a differential connection line.
When the bolt assembly of the wind driven generator is screwed, the two adjacent gaskets 7 are pressed tightly, the insulating ball 11 is pressed into the cavity 9, and the annular conductive parts 8 of the two gaskets 7 are communicated, so that the signal circuits are communicated; when the bolt assembly of the wind driven generator is loosened, the adjacent two gaskets 7 are separated possibly, the insulating ball 11 extends under the action of the spring 10, the adjacent two gaskets 7 are separated, the annular conductive parts 8 of the two gaskets 7 are disconnected, and therefore a signal circuit is disconnected.
The signal generator 1 is connected to one end of the signal circuit and transmits a signal to the signal circuit.
The terminal 2 is a computer and is connected with the other end of the signal circuit; responding to the received signal sent by the signal generator 1, and judging that the bolt assembly of the wind driven generator is normal; and in response to not receiving the signal sent by the signal generator 1, judging that the bolt assembly of the wind driven generator is loosened.
The method of the wind driven generator fault acquisition system comprises the following steps:
step 1, connecting a signal generator 1 and a terminal 2 to two ends of a signal circuit;
and step 4, responding to the fact that the signal sent by the signal generator 1 is not received, and judging that the bolt assembly of the wind driven generator corresponding to the signal circuit is loosened.
According to the invention, the signal circuit is arranged in the bolt assembly of the wind driven generator, whether the bolt assembly of the wind driven generator is normal or not is judged according to whether the received signal is received, and the problem that the bolt cannot be detected by the conventional system is effectively solved; meanwhile, the height does not need to be climbed, and the safety risk is reduced.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (5)
1. Aerogenerator trouble collection system, its characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
a signal circuit: the bolt assembly is arranged in the wind driven generator; when the bolt assembly of the wind driven generator is loosened, the signal circuit is disconnected, otherwise, the signal circuit is communicated;
a signal generator: one end of the signal circuit is connected, and the signal circuit is sent with a signal;
a terminal: the other end of the signal circuit is connected; responding to the received signal sent by the signal generator, and judging that the bolt assembly of the wind driven generator is normal; responding to the fact that the signal sent by the signal generator is not received, and judging that the bolt assembly of the wind driven generator is loosened;
the wind driven generator bolt assembly comprises a bolt, a nut matched with the bolt and at least two gaskets sleeved on the bolt;
the center of two adjacent gasket opposite faces all is provided with annular conductive part, and two annular conductive parts are relative to two conductive parts connect signal generator and terminal respectively, and it has a plurality of cavitys to open on one of them annular conductive part, is provided with spring and insulating ball in the cavity, and the one end of spring is fixed bottom the cavity, and the insulating ball is extruded to the other end, and insulating ball is partial spheroid in the effect of spring and stretches out the cavity.
2. The wind turbine generator fault collection system of claim 1, wherein: the gasket side wall provided with the annular conductive part is provided with a socket which is connected with the annular conductive part and is connected with an interface at the bottom of the wind power tower barrel through a differential connection line.
3. The wind turbine generator fault collection system of claim 1, wherein: the annular conductive part is a copper sheet.
4. The wind turbine generator fault collection system of claim 1, wherein: all cavities are on the same circumference and the circumference is coaxial with the gasket on which the cavities are located.
5. The method of the wind power generator fault collection system according to claim 1, wherein: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
connecting a signal generator and a terminal to two ends of a signal circuit;
starting a signal generator to send a signal to a signal circuit;
responding to the received signal sent by the signal generator, and judging that the wind driven generator bolt assembly corresponding to the signal circuit is normal;
and in response to the fact that the signal sent by the signal generator is not received, judging that the bolt assembly of the wind driven generator corresponding to the signal circuit is loosened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910537479.5A CN110307126B (en) | 2019-06-20 | 2019-06-20 | Wind driven generator fault acquisition system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910537479.5A CN110307126B (en) | 2019-06-20 | 2019-06-20 | Wind driven generator fault acquisition system and method |
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| Publication Number | Publication Date |
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| CN110307126A CN110307126A (en) | 2019-10-08 |
| CN110307126B true CN110307126B (en) | 2020-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910537479.5A Active CN110307126B (en) | 2019-06-20 | 2019-06-20 | Wind driven generator fault acquisition system and method |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102706548B (en) * | 2012-05-30 | 2014-08-20 | 冯平 | Bolt or nut loosening monitoring device |
| KR101448012B1 (en) * | 2013-02-04 | 2014-10-15 | 한국철도기술연구원 | Release detection apparatus for bolt and nut using spring washer and conductor |
| CN204493079U (en) * | 2015-02-11 | 2015-07-22 | 赤峰华源新力科技有限公司 | The connecting bolt of Wind turbines loosens monitoring system |
| CN105547333B (en) * | 2016-01-25 | 2018-05-11 | 刘连江 | Bolt looseness and/or the real-time device of warning of fracture |
| CN106054263A (en) * | 2016-08-22 | 2016-10-26 | 杨志强 | Screw loosening monitoring device and system |
| CN205936988U (en) * | 2016-08-29 | 2017-02-08 | 新疆金风科技股份有限公司 | Wind generating set wheel hub and tower section of thick bamboo inner part drop and monitor alarm system |
| CN106870538B (en) * | 2017-02-21 | 2018-08-10 | 浙江科技学院 | With the high iron catenary intelligent bolt and detecting system for loosening detection function |
| CN109058054A (en) * | 2018-07-19 | 2018-12-21 | 湖北民族学院 | A kind of the bolt on-line monitoring system and method for wind power generator group |
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Address after: No. 38, New Model Road, Gulou District, Nanjing City, Jiangsu Province, 210000 Patentee after: Nanjing Nanzi Huadun Digital Technology Co.,Ltd. Address before: No.39 Shuige Road, Jiangning District, Nanjing City, Jiangsu Province 211106 Patentee before: NANJING HUADUN POWER INFORMATION SECURITY EVALUATION CO.,LTD. |
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