CN203879681U - Global parameter monitoring system of wind turbine - Google Patents
Global parameter monitoring system of wind turbine Download PDFInfo
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- CN203879681U CN203879681U CN201420243340.2U CN201420243340U CN203879681U CN 203879681 U CN203879681 U CN 203879681U CN 201420243340 U CN201420243340 U CN 201420243340U CN 203879681 U CN203879681 U CN 203879681U
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- main shaft
- wind
- acceleration transducer
- sensor
- electricity generation
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 32
- 230000001133 acceleration Effects 0.000 claims abstract description 37
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 230000005611 electricity Effects 0.000 claims description 41
- 239000013307 optical fiber Substances 0.000 claims description 3
- 230000008014 freezing Effects 0.000 abstract 1
- 238000007710 freezing Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000013481 data capture Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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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 provides a global parameter monitoring system of a wind turbine. The system comprises a sensor module, a data transmission relay module, temperature sensors and a control box, wherein the sensor module and the data transmission relay module are arranged in the wind turbine, the temperature sensors are arranged on blades of an air wheel respectively, and the control box is arranged at the bottom of a tower frame. By means of a position sensor and an acceleration sensor, the system monitors whether a main shaft vibrates relative to a main shaft shell and whether the main shaft shell vibrates relative to the whole wind turbine, wherein the position sensor and the acceleration sensor are arranged on disc-shaped protrusions on the main shaft of the wind turbine. Compared with a monitoring system only monitoring the main shaft shell in the prior art, the false alarm rate can be lowered, reliability of the monitoring system is improved, temperature of the blades of the air wheel can be monitored at the same time, and equipment faults caused by freezing of the air wheel in low-temperature situations are prevented.
Description
Technical field
The utility model relates to technical field of wind power generation, refers to especially a kind of wind-powered electricity generation unit univers parameter supervisory system.
Background technique
Along with the consumption of current social to the energy, cause non-renewable energy resources day by day exhausted, therefore the utilization of renewable energy sources is the emphasis of current mankind social technology development always.In clean energy resource, especially receive the most concern with wind-power electricity generation and solar electrical energy generation.According to estimates, the wind resource that can be used to generating on the earth approximately has 10,000,000,000 kilowatts, is almost 10 times of present whole world hydroelectric power amount; And the energy that the annual coal combustion in the whole world obtains at present only has wind-force that 1/3rd of energy can be provided.Especially in some areas scarcely populated, wind resource is abundant in China western part, be applicable to very much carrying out wind-power electricity generation.
Existing wind-powered electricity generation unit is that wind wheel, main shaft, gear-box, the generator by being arranged on tower top completed wind energy to electric transformation of energy.The load that wind-powered electricity generation unit produces is realized and transmitting to pylon by wheel hub, main shaft, spindle bearing holder, underframe.In the time that unsteady state wind acts on wind-powered electricity generation unit, will on unit, produce different loads.Wind wheel blade produces end thrust and circumferential shearing under wind action, along with the increase of wind speed round will produce moment of torsion and centrifugal force; Follow the alternation effect of blade gravity simultaneously, make whole wind wheel form torsion, topple and yaw motion.The main shaft (lower velocity shaft) reversing will transmit wind wheel moment of torsion to the primary planet pinion of gear-box, and primary planet pinion will reverse by the transmission of secondary parallel-axes gears, make the load of low rotation speed large torque be converted into the load of the low moment of torsion of high rotating speed, be convenient to the absorption of generator.Moment of torsion on last motor shaft (high speed shaft) will form electric energy by cutting electromagnetism, complete wind energy-mechanical energy-electric transformation of energy.Thrust, tilting moment and the deflecting torque that wind wheel acts on main shaft will, by spindle bearing holder transmitted load to mainframe-pylon-basis, complete the transmission of whole load.When unit windward direction and incoming flow wind direction when inconsistent, need to be undertaken character and conduct to do by yaw system, increase wind-exposuring area, improve unit utilization ratio.
Due to wind-powered electricity generation unit and mostly in remote districts, and equipment is all assemblied in pylon top, and therefore periodical inspection is safeguarded very difficultly, causes the rate of fault of wind-powered electricity generation unit equipment very high.Therefore how to carry out remote device monitoring and also become the very important technology in wind-powered electricity generation unit monitoring field.In prior art, be to be all provided with a control box in pylon bottom, receive by control box the monitored data that the sensor on wind-powered electricity generation unit sends, and these monitored data are sent to the central control terminal of far-end, to realize remote monitoring.But the data capture of existing wind-powered electricity generation unit, field of data transmission all exist a lot of technology barriers, cause being difficult to by the working state of remote monitoring wind-powered electricity generation unit.
Model utility content
The technical problems to be solved in the utility model is to provide a kind of wind-powered electricity generation unit univers parameter supervisory system that can monitor the running parameter of wind-powered electricity generation unit.
In order to address the above problem, the utility model embodiment has proposed a kind of wind-powered electricity generation unit univers parameter supervisory system, temperature transducer on each blade that comprise the sensor assembly and the data transmission trunk module that are arranged in wind-powered electricity generation unit, is arranged at wind wheel, is arranged on the control box of pylon bottom;
Wherein said wind-powered electricity generation unit comprises main shaft and is socketed in the main shaft shell outside described main shaft; Wherein said main shaft is provided with the plate-like projection of radially extending, and described main shaft shell is provided with the evagination housing that the cross section suitable with described plate-like projection is reverse U shape; On at least one madial wall of wherein said evagination housing, be laid with the primary importance sensor of the axial vibration of the plate-like projection for monitoring described main shaft, and the inner roof wall of described evagination housing is provided with the second place sensor of the radial vibration of the plate-like projection for monitoring described main shaft; On at least one side surface of wherein said plate-like projection, be laid with the first acceleration transducer for monitoring axial vibration, and be laid with the second acceleration transducer for monitoring radial vibration on the top surface on the edge, outer periphery of described plate-like projection; The outer surface of wherein said main shaft shell is provided with external position sensor and outer acceleration transducer;
Wherein said wind-powered electricity generation unit also comprises the temperature transducer on each blade that is arranged at wind wheel;
Described data transmission trunk module is arranged in the housing of described wind-powered electricity generation unit the data of described primary importance sensor, second place sensor, the first acceleration transducer, the second acceleration transducer, external position sensor, outer acceleration transducer, temperature transducer are sent to the control box that is arranged at pylon bottom by wireless network;
Wherein said control box comprises mainboard, and mainboard is provided with pin-saving chip, data receiver chip; Wherein said data receiver chip connects the Wireless Data Transmission chip of described data transmission trunk module and described pylon monitoring terminal by wireless network; Described pin-saving chip connects described data receiver chip.
As technique scheme preferably, described control box also comprises light transceiving chip, described smooth transceiving chip connects described pin-saving chip, and connects the central control terminal of far-end by optical fiber.
As technique scheme preferably, described supply module comprises wired power supply unit and wireless power unit, described wired power supply unit connects described external position sensor and outer acceleration transducer, and described wireless power unit connects described primary importance sensor, second place sensor, the first acceleration transducer, the second acceleration transducer.
The beneficial effect of technique scheme of the present utility model is as follows:
The utility model embodiment provides a kind of wind-powered electricity generation unit univers parameter supervisory system, can whether produce vibration with respect to main shaft shell by the position transducer and the acceleration transducer monitoring main shaft that are arranged in the plate-like projection on wind generator set main shaft, and whether main shaft shell there is vibration with respect to whole wind-powered electricity generation unit.The monitoring system of just monitoring main shaft shell in the prior art of comparing like this, can reduce rate of false alarm, improves the reliability of supervisory system.Can also monitor the temperature of wind wheel blade, to prevent in the icing equipment failure causing of low temperature condition leeward wheel simultaneously.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment's wind-powered electricity generation unit univers parameter supervisory system;
Fig. 2 is longitudinal sectional structure schematic block diagram of the main shaft of wind-powered electricity generation unit.
Description of reference numerals is as follows:
1, main shaft;
2, main shaft shell;
3, external position sensor;
4, outer acceleration transducer;
11, plate-like projection;
12, the first acceleration transducer;
13, the second acceleration transducer;
21, evagination housing;
22, primary importance sensor;
23, second place sensor.
Embodiment
For making the technical problems to be solved in the utility model, technological scheme and advantage clearer, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
Existing wind-powered electricity generation unit is all, at the outer surface of outer cover of main shaft, variable-speed motor, generator, sensor is set, so that main shaft, variable-speed motor, generator are carried out to vibration monitoring.Wherein, the sensor using can comprise position transducer, velocity transducer, acceleration transducer.But in actual use, inventor finds that the detection effect of monitoring system of this structure is very undesirable.Specifically, the monitored data on the shell of main shaft, speed changer, generator can not well be reacted the vibration of main shaft, speed changer, generating inboard installation, cause wrong report, wrong report phenomenon serious.
For the problem of existing wind-powered electricity generation unit data capture difficulty, the utility model proposes a kind of wind-powered electricity generation unit univers parameter supervisory system of the vibration parameters accuracy that can improve wind-powered electricity generation unit equipment, its structure as shown in Figure 1, temperature transducer on each blade that comprise the sensor assembly and the data transmission trunk module that are arranged in wind-powered electricity generation unit, is arranged at wind wheel, is arranged on the control box of pylon bottom.
Concrete, as shown in Figure 2, described wind-powered electricity generation unit comprises main shaft 1 and is socketed in the main shaft shell 2 outside described main shaft 1; Wherein said main shaft 1 is provided with the plate-like projection 11 of radially extending, and described main shaft shell 2 is provided with the evagination housing 21 that the cross section suitable with described plate-like projection 11 is reverse U shape; On at least one madial wall of wherein said evagination housing 21, be laid with the primary importance sensor 22 of the axial vibration of the plate-like projection 11 for monitoring described main shaft 1, and the inner roof wall of described evagination housing is provided with the second place sensor 23 of the radial vibration of the plate-like projection for monitoring described main shaft; On at least one side surface of wherein said plate-like projection, be laid with the first acceleration transducer 12 for monitoring axial vibration, and be laid with the second acceleration transducer 13 for monitoring radial vibration on the top surface on the edge, outer periphery of described plate-like projection; The outer surface of wherein said main shaft shell 2 is provided with external position sensor 3 and outer acceleration transducer 4.
Meanwhile, the utility model embodiment's wind-powered electricity generation unit status monitoring transmission system, also comprises the data transmission trunk module being arranged in wind-powered electricity generation unit, the control box that is arranged on pylon bottom.
Wherein said data transmission trunk module is arranged in the housing of described wind-powered electricity generation unit the data of described primary importance sensor 22, second place sensor 23, the first acceleration transducer 12, the second acceleration transducer 13, external position sensor 3, outer acceleration transducer 4 are sent to the control box that is arranged at pylon bottom by wireless network.
Wherein, described control box comprises mainboard, and mainboard is provided with pin-saving chip, data receiver chip; Wherein said data receiver chip connects described data transmission trunk module by wireless network; Described pin-saving chip connects described data receiver chip.
Described control box also comprises light transceiving chip, and described smooth transceiving chip connects described pin-saving chip, and connects the central control terminal of far-end by optical fiber.
Wherein, described supply module comprises wired power supply unit and wireless power unit, described wired power supply unit connects described external position sensor 3 and outer acceleration transducer 4, and described wireless power unit connects described primary importance sensor 22, second place sensor 23, the first acceleration transducer 12, the second acceleration transducer 13.Because primary importance sensor 22, second place sensor 23, the first acceleration transducer 12, the second acceleration transducer 13 are arranged in plate-like projection 11, and this plate-like protruding 11 along with main shaft rotate, therefore need to carry out wireless power.Wireless power technology to sensor has been ripe prior art, does not repeat them here.
The utility model embodiment provides a kind of wind-powered electricity generation unit univers parameter supervisory system, can whether produce vibration with respect to main shaft shell by the position transducer and the acceleration transducer monitoring main shaft that are arranged in the plate-like projection on wind generator set main shaft, and whether main shaft shell there is vibration with respect to whole wind-powered electricity generation unit.The monitoring system of just monitoring main shaft shell in the prior art of comparing like this, can reduce rate of false alarm, improves the reliability of supervisory system.Can also monitor the temperature of wind wheel blade, to prevent in the icing equipment failure causing of low temperature condition leeward wheel simultaneously.
The above is preferred implementation of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (3)
1. a wind-powered electricity generation unit univers parameter supervisory system, is characterized in that, temperature transducer on each blade that comprise the sensor assembly and the data transmission trunk module that are arranged in wind-powered electricity generation unit, is arranged at wind wheel, is arranged on the control box of pylon bottom;
Wherein said wind-powered electricity generation unit comprises main shaft and is socketed in the main shaft shell outside described main shaft; Wherein said main shaft is provided with the plate-like projection of radially extending, and described main shaft shell is provided with the evagination housing that the cross section suitable with described plate-like projection is reverse U shape; On at least one madial wall of wherein said evagination housing, be laid with the primary importance sensor of the axial vibration of the plate-like projection for monitoring described main shaft, and the inner roof wall of described evagination housing is provided with the second place sensor of the radial vibration of the plate-like projection for monitoring described main shaft; On at least one side surface of wherein said plate-like projection, be laid with the first acceleration transducer for monitoring axial vibration, and be laid with the second acceleration transducer for monitoring radial vibration on the top surface on the edge, outer periphery of described plate-like projection; The outer surface of wherein said main shaft shell is provided with external position sensor and outer acceleration transducer;
Described data transmission trunk module is arranged in the housing of described wind-powered electricity generation unit the data of described primary importance sensor, second place sensor, the first acceleration transducer, the second acceleration transducer, external position sensor, outer acceleration transducer, temperature transducer are sent to the control box that is arranged at pylon bottom by wireless network;
Wherein said control box comprises mainboard, and mainboard is provided with pin-saving chip, data receiver chip; Wherein said data receiver chip connects the Wireless Data Transmission chip of described data transmission trunk module and pylon monitoring terminal by wireless network; Described pin-saving chip connects described data receiver chip.
2. wind-powered electricity generation unit univers parameter supervisory system according to claim 1, is characterized in that, described control box also comprises light transceiving chip, and described smooth transceiving chip connects described pin-saving chip, and connects the central control terminal of far-end by optical fiber.
3. wind-powered electricity generation unit univers parameter supervisory system according to claim 1, it is characterized in that, also comprise supply module, described supply module comprises wired power supply unit and wireless power unit, described wired power supply unit connects described external position sensor and outer acceleration transducer, and described wireless power unit connects described primary importance sensor, second place sensor, the first acceleration transducer, the second acceleration transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420243340.2U CN203879681U (en) | 2014-05-13 | 2014-05-13 | Global parameter monitoring system of wind turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420243340.2U CN203879681U (en) | 2014-05-13 | 2014-05-13 | Global parameter monitoring system of wind turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203879681U true CN203879681U (en) | 2014-10-15 |
Family
ID=51680184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420243340.2U Expired - Lifetime CN203879681U (en) | 2014-05-13 | 2014-05-13 | Global parameter monitoring system of wind turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203879681U (en) |
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2014
- 2014-05-13 CN CN201420243340.2U patent/CN203879681U/en not_active Expired - Lifetime
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141015 |