CN111594396A - Wind turbine generator system state monitoring system - Google Patents
Wind turbine generator system state monitoring system Download PDFInfo
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- CN111594396A CN111594396A CN202010519498.8A CN202010519498A CN111594396A CN 111594396 A CN111594396 A CN 111594396A CN 202010519498 A CN202010519498 A CN 202010519498A CN 111594396 A CN111594396 A CN 111594396A
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- Prior art keywords
- wind turbine
- monitoring system
- state monitoring
- gear box
- cameras
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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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- 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
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
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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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- Engineering & Computer Science (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 wind turbine generator state monitoring system which comprises an upper computer, a DSP (digital signal processor), an image acquisition system, a sound pickup, temperature sensors and a vibration sensor, wherein the image acquisition system is used for acquiring running images of a wind turbine generator and a wind field, images at the interface of a gear box, running images of the wind turbine generator and a yaw image of the wind turbine generator in a cabin, the sound pickup is used for acquiring sound signals of the gear box during working, the temperature sensors are used for detecting the temperatures in the cabin and outside the cabin, and the vibration sensor is used for detecting vibration signals of the gear box.
Description
Technical Field
The invention belongs to the field of wind power generation, and relates to a state monitoring system of a wind turbine generator.
Background
Compared with a direct-drive wind generating set, the double-fed wind generating set has the advantages that the frequency of faults of the gear box is high, when the gear box is in faults, the maintenance and the replacement are troublesome, and the cost is high. If effective measures can be taken in time in the early stage of the failure of the gear box, the maintenance cost of the unit can be greatly reduced. Although most of the currently operated units are provided with vibration monitoring devices, the vibration monitoring devices only detect vibration signals, and the signals are not analyzed and processed, so that the gear box of the unit is damaged finally. And because the wind-powered electricity generation field is located the harsher field of environment, the distance between the fan is longer again simultaneously, when breaking down like this, the degree of difficulty of unit maintenance will be bigger. Based on the above situation, a set of perfect intelligent monitoring system of the wind turbine generator set needs to be designed on the basis of the traditional fan monitoring system.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a wind turbine state monitoring system which can realize the online monitoring of the running state of the wind turbine.
In order to achieve the purpose, the wind turbine state monitoring system comprises an upper computer, a DSP (digital signal processor), an image acquisition system, a sound pickup, a temperature sensor and a vibration sensor, wherein the image acquisition system is used for acquiring running images of a turbine and a wind field, images at a gear box interface, running images of the turbine and yaw images of the turbine in a turbine cabin, the sound pickup is used for acquiring sound signals of the gear box during working, the temperature sensor is used for detecting temperatures in the turbine cabin and outside the turbine cabin, the vibration sensor is used for detecting vibration signals of the gear box, the output end of the vibration sensor, the output end of the temperature sensor, the output end of the sound pickup and the output end of the image acquisition system are connected with the input end of the DSP.
The image acquisition system comprises four groups of cameras, wherein a first group of cameras are installed on the outer side of the engine room, a second group of cameras are installed on the side of the unit gearbox, a third group of cameras are installed on the top inside the engine room, and a fourth group of cameras are installed at the twisted cable position of the tower.
The number of the vibration sensors is two, wherein one vibration sensor is arranged on the high-speed shaft, and the other vibration sensor is arranged on the low-speed shaft.
The vibration sensor is connected with the DSP through a first filtering and amplifying circuit.
The image acquisition system is connected with the DSP processor through a second filtering and amplifying circuit.
The sound pick-up is connected with the DSP processor through a third filtering and amplifying circuit.
The temperature sensor is connected with the DSP processor through a fourth filtering and amplifying circuit.
The device also comprises a display and a memory which are connected with the DSP processor.
The invention has the following beneficial effects:
when the wind turbine state monitoring system is in specific operation, the DSP acquires running images of a turbine and a wind field, images at the interface of a gear box, running images of the turbine in a cabin and yaw images of the turbine through the image acquisition system, acquires vibration signals of the gear box through the vibration sensor, acquires sound signals of the gear box during operation through the pickup, acquires temperature signals in the cabin and outside the cabin through the temperature sensor, judges whether the acquired signals are normal or not, and generates alarm signals to the upper computer when the acquired data cost is normal so as to realize online monitoring of the running state of the wind turbine.
Drawings
Fig. 1 is a schematic diagram of the present invention.
Wherein, 1 is a vibration sensor, 2 is an image acquisition system, 3 is a sound pick-up, 4 is a temperature sensor, 5 is a first filtering and amplifying circuit, 6 is a second filtering and amplifying circuit, 7 is a third filtering and amplifying circuit, 8 is a fourth filtering and amplifying circuit, 9 is a DSP processor, and 10 is an upper computer.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
referring to fig. 1, the wind turbine state monitoring system according to the present invention includes an upper computer 10, a DSP processor 9, an image acquisition system 2 for acquiring unit and wind field operation images, images at a gear box interface, unit operation images in a nacelle, and unit yaw images, a sound pickup 3 for acquiring sound signals of the gear box during operation, a temperature sensor 4 for detecting temperatures in and outside the nacelle, and a vibration sensor 1 for detecting vibration signals of the gear box, wherein an output end of the vibration sensor 1, an output end of the temperature sensor 4, an output end of the sound pickup 3, and an output end of the image acquisition system 2 are connected to an input end of the DSP processor 9, and an output end of the DSP processor 9 is connected to the upper computer 10. In addition, the invention also comprises a display and a memory which are connected with the DSP processor 9.
The image acquisition system 2 comprises four groups of cameras, wherein a first group of cameras are arranged on the outer side of the engine room, a second group of cameras are arranged on the side of the unit gearbox, a third group of cameras are arranged on the top inside the engine room, and a fourth group of cameras are arranged at the twisted cable position of the tower.
The number of the vibration sensors 1 is two, and one vibration sensor 1 is mounted on a high-speed shaft, and the other vibration sensor 1 is mounted on a low-speed shaft.
The vibration sensor 1 is connected with the DSP processor 9 through a first filtering and amplifying circuit 5; the image acquisition system 2 is connected with the DSP processor 9 through a second filtering and amplifying circuit 6; the sound pick-up 3 is connected with the DSP processor 9 through a third filtering and amplifying circuit 7; the temperature sensor 4 is connected with the DSP processor 9 through a fourth filter amplifying circuit 8.
The specific working process of the invention is as follows:
the DSP 9 acquires running images of the unit and the wind field, images at the interface of the gear box, running images of the unit in the engine room and images of yaw of the unit through the image acquisition system 2, and accordingly respectively judges whether the unit and the wind power plant run normally, whether oil leaks at the interface of the gear box, whether the unit in the engine room runs normally and whether the unit yaw twists cables;
the DSP 9 acquires a vibration signal of the gearbox through the vibration sensor 1, judges whether the vibration signal of the current gearbox is normal or not according to the vibration signal, sends a second alarm signal to the upper computer 10 when the vibration signal of the current gearbox is abnormal, and generally judges through a threshold of an amplitude peak value during judgment, namely, the vibration signal is abnormal when the amplitude peak value of the vibration signal is larger than the threshold;
the DSP 9 acquires a sound signal of the gear box during working through the sound pickup 3, judges whether the sound signal of the gear box during working is normal or not, sends a third alarm signal to the upper computer 10 when the sound signal of the gear box during working is abnormal, and generally judges through a threshold of an amplitude peak value during judgment, namely, the sound signal is abnormal when the amplitude peak value of the sound signal is larger than the threshold;
the DSP 9 acquires temperature signals in the engine room and outside the engine room through the temperature sensor 4, judges whether the temperatures in the engine room and outside the engine room exceed a preset range or not, and generates a fourth alarm signal to the upper computer 10 when the temperature in the engine room is not within the preset temperature range in the engine room or the temperature outside the engine room is not within the preset temperature range outside the engine room;
the upper computer 10 receives and displays the first alarm signal, the second alarm signal, the third alarm signal and the fourth alarm signal, and the DSP processor 9 stores the received signals into a memory for the upper computer 10 to inquire.
The invention has strong adaptability and good functionality, can efficiently and reliably complete the functions of real-time data receiving, data displaying, alarming, data storing and data inquiring, provides favorable guarantee for monitoring the running state of the unit, reduces the maintenance cost, improves the working efficiency, realizes remote information sharing and achieves the purpose of reasonably utilizing resources.
The foregoing is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description.
Claims (8)
1. The utility model provides a wind turbine generator system state monitoring system, a serial communication port, including host computer (10), DSP treater (9), be used for gathering unit and wind field operation image, gear box kneck image, image acquisition system (2) of unit operation image and unit driftage image in the cabin, a sound pick-up (3) for acquireing the sound signal of gear box during operation, a temperature sensor (4) for detecting cabin and cabin outside temperature and a vibration sensor (1) for detecting gear box vibration signal, wherein, the output of vibration sensor (1), the output of temperature sensor (4), the output of sound pick-up (3) and the output of image acquisition system (2) are connected with the input of DSP treater (9), the output of DSP treater (9) is connected with host computer (10).
2. The wind turbine state monitoring system according to claim 1, wherein the image acquisition system (2) comprises four sets of cameras, wherein a first set of cameras is installed on the outer side of the nacelle, a second set of cameras is installed on the side of the gearbox of the wind turbine, a third set of cameras is installed on the top of the interior of the nacelle, and a fourth set of cameras is installed at the twisted cable position of the tower.
3. Wind turbine condition monitoring system according to claim 1, characterized in that the number of vibration sensors (1) is two, wherein one vibration sensor (1) is mounted on the high speed shaft and the other vibration sensor (1) is mounted on the low speed shaft.
4. Wind turbine condition monitoring system according to claim 1, wherein the vibration sensor (1) is connected to the DSP processor (9) via a first filter amplifier circuit (5).
5. The wind turbine state monitoring system according to claim 4, wherein the image acquisition system (2) is connected with the DSP processor (9) through a second filtering and amplifying circuit (6).
6. The wind turbine state monitoring system according to claim 5, wherein the pickup (3) is connected to the DSP processor (9) through a third filter amplifier circuit (7).
7. Wind turbine state monitoring system according to claim 6, wherein the temperature sensor (4) is connected to the DSP processor (9) via a fourth filter amplifier circuit (8).
8. The wind turbine state monitoring system according to claim 7, further comprising a display and a memory connected to the DSP processor (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010519498.8A CN111594396A (en) | 2020-06-09 | 2020-06-09 | Wind turbine generator system state monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010519498.8A CN111594396A (en) | 2020-06-09 | 2020-06-09 | Wind turbine generator system state monitoring system |
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| CN111594396A true CN111594396A (en) | 2020-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010519498.8A Pending CN111594396A (en) | 2020-06-09 | 2020-06-09 | Wind turbine generator system state monitoring system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112324628A (en) * | 2020-09-22 | 2021-02-05 | 大唐可再生能源试验研究院有限公司 | Wind turbine generator system hanger rail formula cabin system of patrolling and examining |
| CN114704438A (en) * | 2022-06-02 | 2022-07-05 | 深圳众城卓越科技有限公司 | Wind turbine generator set fault monitoring method and device |
| CN115270326A (en) * | 2022-07-15 | 2022-11-01 | 华能国际电力股份有限公司河北清洁能源分公司 | System and method for prolonging service life of main speed-increasing gear box of wind turbine generator |
-
2020
- 2020-06-09 CN CN202010519498.8A patent/CN111594396A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112324628A (en) * | 2020-09-22 | 2021-02-05 | 大唐可再生能源试验研究院有限公司 | Wind turbine generator system hanger rail formula cabin system of patrolling and examining |
| CN114704438A (en) * | 2022-06-02 | 2022-07-05 | 深圳众城卓越科技有限公司 | Wind turbine generator set fault monitoring method and device |
| CN115270326A (en) * | 2022-07-15 | 2022-11-01 | 华能国际电力股份有限公司河北清洁能源分公司 | System and method for prolonging service life of main speed-increasing gear box of wind turbine generator |
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