CN103821675A - Wind generator rotor blade electrothermal ice melting tower bottom monitoring system - Google Patents
Wind generator rotor blade electrothermal ice melting tower bottom monitoring system Download PDFInfo
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- CN103821675A CN103821675A CN201410029835.XA CN201410029835A CN103821675A CN 103821675 A CN103821675 A CN 103821675A CN 201410029835 A CN201410029835 A CN 201410029835A CN 103821675 A CN103821675 A CN 103821675A
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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 provides a wind generator rotor blade electrothermal ice melting tower bottom monitoring system comprising a control box arranged at the bottom of a tower and a tower monitoring terminal arranged at the bottom of the tower. The tower monitoring terminal comprises a tower temperature sensor used for measuring the environmental temperature and a tower humidity sensor used for measuring the environmental humidity, and is connected to the control box through a wired network. The control box comprises a motherboard provided with a remote control chip and a control box wired transmission chip. The remote control chip is connected with the control box wired transmission chip, is connected to the tower monitoring terminal through the control box wired transmission chip, and is connected with an electrothermal ice melting switch circuit. The electrothermal ice melting switch circuit is connected to a power wire used for supplying power for blade ice melting and an external power supply. According to the scheme, the wind generator rotor blade electrothermal ice melting tower bottom monitoring system is capable of remotely monitoring a wind generator unit and remotely controlling to start electrothermal ice melting.
Description
Technical field
The present invention relates to technical field of wind power generation, refer to especially supervisory system at the bottom of a kind of aero-generator rotor blade electro-heat deicing tower.
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 the area scarcely populated at western part of China and long-term wind resource is abundant is applicable to carrying out wind-power electricity generation therefore very much.
Existingly utilize the equipment that wind-force generates electricity to be called wind power generating set, comprise pylon, the impeller of propeller cavitation shape, generator.Wherein the impeller of propeller cavitation shape rotates so that kinetic energy is converted to mechanical energy under wind-drive, then by booster engine, rotation speedup rear driving generator is generated electricity so that mechanical energy is converted to electric energy.Wherein impeller is the vitals that is mechanical energy by the kinetic transformation of wind, and it forms (generally all adopting 3 blades to form an impeller) by the blade of at least two propeller shapes.Blade requires the strength of materials high and lightweight, therefore mostly adopts the manufactures of glass fibre reinforced plastics or other composite materials (as carbon fiber).But due to climate variability, particularly China's sleet weather increases harm seriously in recent years, causes the impeller of wind-powered electricity generation unit to there will be icing phenomenon.Blade produces the harm causing of freezing and mainly contains:
1, the physical appearance of blade changes owing to freezing, and blade wind-engaging ability is reduced.And the balance of vane group is damaged, the weight of blade increases, and generator set wearing and tearing increase, and not only affect the generated energy of generator set, and the life-span of generator set and safety are made a big impact.
2, blade freezes and makes its weight that increases blade, strengthens the load of generator set, has increased the mechanical wear of generator set.
Whether freeze and mainly rely on data of weather forecast rule of thumb to judge for blade at present, or rely on the mode of manual patrol.Cause like this final result inaccurate, be easy to the operation to equipment and impact.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind ofly can carry out supervisory system at the bottom of the aero-generator rotor blade electro-heat deicing tower of accurately monitoring to the ambient temperature of wind power generating set.
In order to address the above problem, the embodiment of the present invention has proposed supervisory system at the bottom of a kind of aero-generator rotor blade electro-heat deicing tower, comprise be arranged at pylon bottom control box, be arranged at the pylon monitoring terminal of pylon bottom;
Wherein said pylon bottom is provided with pylon monitoring terminal, and described pylon monitoring terminal comprises for the column bottom temperature sensor of measures ambient temperature, for humidity transducer at the bottom of the tower of measures ambient humidity; Described pylon monitoring terminal connects described control box by cable network;
Wherein said control box comprises mainboard, and mainboard is provided with telecontrol chip, control box wire transmission chip; Wherein said telecontrol chip connects remote control terminal, and connects described pylon monitoring terminal by described control box wire transmission chip; Wherein said telecontrol chip connects electro-heat deicing switching circuit, supply lines and external power supply that described electro-heat deicing switching circuit is connected to respectively blade carries out electro-heat deicing power supply;
On wherein said control box, be also provided with hand switch, described hand switch connects described electro-heat deicing switching circuit;
Described control box also comprises automatic control chip, and described automatic control chip connects described pylon monitoring terminal by described control box wire transmission chip, and described automatic control chip connects described electro-heat deicing switching circuit; And described automatic control chip connects remote control terminal;
Described control box also comprises control box wireless transmission chip, and described control box wireless transmission chip is connected in the blade monitoring terminal on described blade by wireless network, and described automatic control chip connects described control box wireless transmission chip.
As technique scheme preferably, described control box also comprises control box wireless transmission chip, described control box wireless transmission chip is connected in the blade monitoring terminal on described blade by wireless network, and described telecontrol chip connects described control box wireless transmission chip.
As technique scheme preferably, described system comprises the multiple blade monitoring terminals on SS face and the PS face that is separately positioned on each blade, and each blade monitoring terminal comprises Wireless Data Transmission chip, be fixed on first temperature transducer of described blade outer surface with monitoring blade outer surface temperature, be fixed on the second temperature transducer of the temperature of the supply lines of powering take monitoring as electro-heat deicing on the supply lines of described blade inner chamber, described the first temperature transducer is all connected respectively described Wireless Data Transmission chip to connect the control box wireless transmission chip of described control box by wireless network with the second temperature transducer.
The beneficial effect of technique scheme of the present invention is as follows:
The embodiment of the present invention provides supervisory system at the bottom of a kind of aero-generator rotor blade electro-heat deicing tower, can be long-range monitor and telecontrol starts electro-heat deicing wind power generating set.
Accompanying drawing explanation
Fig. 1 is the structural representation block diagram of the system of the embodiment of the present invention.
Embodiment
For making the technical problem to be solved in the present invention, technological scheme and advantage clearer, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
Existing each wind power generating set all comprises rotor (impeller), the generator of pylon, propeller cavitation shape, and wherein impeller is arranged at pylon top, and is rotationally connected by rotating shaft and pylon; And generator is arranged at pylon bottom.The impeller of propeller cavitation shape rotates so that kinetic energy is converted to mechanical energy under wind-drive, then by booster engine, rotation speedup rear driving generator is generated electricity so that mechanical energy is converted to electric energy.
The embodiment of the present invention has proposed supervisory system at the bottom of a kind of aero-generator rotor blade electro-heat deicing tower, its structure as shown in Figure 1, comprise be arranged at pylon bottom control box, be arranged at the pylon monitoring terminal of pylon bottom.
As shown in Figure 1, wherein said pylon bottom is provided with pylon monitoring terminal, and described pylon monitoring terminal comprises for the column bottom temperature sensor of measures ambient temperature, for humidity transducer at the bottom of the tower of measures ambient humidity; Described pylon monitoring terminal connects described control box by cable network.
As shown in Figure 1, wherein said control box comprises mainboard, and mainboard is provided with telecontrol chip, control box wire transmission chip; Wherein said telecontrol chip connects remote control terminal, and connects described pylon monitoring terminal by described control box wire transmission chip; Wherein said telecontrol chip connects electro-heat deicing switching circuit, supply lines and external power supply that described electro-heat deicing switching circuit is connected to respectively blade carries out electro-heat deicing power supply.Can obtain the enviromental parameter of pylon periphery and be transferred to remote control terminal by the pylon monitoring terminal that is arranged at pylon bottom like this.This telecontrol chip also connects electro-heat deicing switching circuit simultaneously, can telecontrol power blade is heated to ice-melt by the electro-heat deicing layer being arranged on blade.This mode existing mode that relies on weather forecast or manual patrol of comparing can have better real-time and environmental data more accurately can be provided.Can monitor multiple wind power generating set by remote control terminal so simultaneously, and can next each wind power generating set of automatic telecontrol of robot control system(RCS) be set to carry out electro-heat deicing by remote control terminal simultaneously.
As shown in Figure 1, be also provided with hand switch on described control box, described hand switch connects described electro-heat deicing switching circuit.Like this can be in the time of data transmission fault, by manually booting ice-melt, the equipment that prevents is impaired under severse weather.
As shown in Figure 1, described control box also comprises automatic control chip, and described automatic control chip connects described pylon monitoring terminal by described control box wire transmission chip, and described automatic control chip connects described electro-heat deicing switching circuit; And described automatic control chip connects remote control terminal.Can make like this each wind-driven generator consist of an autonomous system, can automatically control and realize according to ambient temperature startup electro-heat deicing.Wherein automatic control chip can set in advance the parameter threshold of startup, and in the time that enviromental parameter reaches parameter threshold, automatic controlled electric heating ice-melt switching circuit starts, and supply lines is powered to carry out ice-melt.
As explanation, the system of blade being carried out to electro-heat deicing can be specially: wherein said blade hollow has inner chamber, and outer surface is coated with Inner Mongol cortex and exterior skin layer, and described electro-heat deicing layer is arranged between described Inner Mongol cortex and exterior skin layer; Described electro-heat deicing layer comprises the substrate that glass fiber cloth is made and is laid in advance on described substrate at least two and extend along described blade the carbon fiber heating lines that wind direction extends, and each carbon fiber heating line on described blade all connects by the through hole that runs through described blade body the supply lines stretching in described blade inner chamber; Described supply lines is connected in the control box of pylon bottom by being arranged at the slip ring of described impeller and pylon joint; Wherein said exterior skin is glass fibre layer of cloth, and at least one surface of described glass fibre layer of cloth is coated with epoxy resin; On wherein said blade SS face and PS face, be respectively equipped with separate electro-heat deicing layer, and supply lines comprise connect the electro-heat deicing layer on described SS face the first supply lines group, connect the second supply lines group of the electro-heat deicing layer on described PS face.This is because existing blade must have two surfaces: PS face and SS face.Those skilled in that art can understand, due to these, two surfaces be windward one leeward, therefore must have certain temperature difference.Adopt two modes that surface powers respectively, can more accurately control blade and carry out ice-melt.Wherein, this electro-heat deicing switching circuit is single-input double-output switch, and its input end connects external power supply, and two output terminals connect respectively the first supply lines group, the second supply lines group; And described electro-heat deicing switching circuit can be by the first supply lines group and/or the second supply lines group and described external power supply conducting, to be respectively the first supply lines group or the power supply of the second supply lines group, or be the first supply lines group and the power supply of the second supply lines group simultaneously.
As shown in Figure 1, described control box also comprises control box wireless transmission chip, described control box wireless transmission chip is connected in the blade monitoring terminal on described blade by wireless network, and described automatic control chip connects described control box wireless transmission chip.So not only detect the enviromental parameter at the bottom of tower, also connect blade monitoring terminal on the blade state with monitoring blade by wireless network, improve accuracy and the specific aim of invigilator's parameter.Foregoing, each blade has SS face and PS face, therefore in embodiments of the present invention, described system comprises the multiple blade monitoring terminals on SS face and the PS face that is separately positioned on each blade, and each blade monitoring terminal comprises Wireless Data Transmission chip, be fixed on first temperature transducer of described blade outer surface with monitoring blade outer surface temperature, be fixed on the supply lines of described blade inner chamber the second temperature transducer of the temperature to monitor described supply lines, described the first temperature transducer is all connected respectively described Wireless Data Transmission chip to connect the control box wireless transmission chip of described control box by wireless network with the second temperature transducer.Can monitor accurately like this SS face and the PS face of each blade, prevent that windward side freezes and when lee face does not freeze the enviromental parameter that causes inaccurate, incur loss through delay ice-melt process.
As shown in Figure 1, described control box also comprises control box wireless transmission chip, described control box wireless transmission chip is connected in the blade monitoring terminal on described blade by wireless network, and described telecontrol chip connects described control box wireless transmission chip.Because the rotor (impeller) of wind power generating set is constantly to rotate, therefore can both can realize without existing wind power generating set is carried out to structural change by the parameter of wireless network transmissions blade monitoring terminal, this mode also can reduce structure complexity simultaneously.
Wherein, described system comprises the multiple blade monitoring terminals on SS face and the PS face that is separately positioned on each blade, and each blade monitoring terminal comprises Wireless Data Transmission chip, be fixed on first temperature transducer of described blade outer surface with monitoring blade outer surface temperature, be fixed on the supply lines of described blade inner chamber the second temperature transducer of the temperature to monitor described supply lines, described the first temperature transducer is all connected respectively described Wireless Data Transmission chip to connect the control box wireless transmission chip of described control box by wireless network with the second temperature transducer.Based on reason as hereinbefore, carry out respectively monitoring temperature for SS face and PS face and can know more exactly the working state when front vane, carry out work with the electro-heat deicing layer of controlling respectively on SS face and PS face, improve the validity of ice-melt.
The embodiment of the present invention provides supervisory system at the bottom of a kind of aero-generator rotor blade electro-heat deicing tower, can be long-range monitor and telecontrol starts electro-heat deicing wind power generating set.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (3)
1. a supervisory system at the bottom of aero-generator rotor blade electro-heat deicing tower, is characterized in that, comprise be arranged at pylon bottom control box, be arranged at the pylon monitoring terminal of pylon bottom;
Wherein said pylon bottom is provided with pylon monitoring terminal, and described pylon monitoring terminal comprises for the column bottom temperature sensor of measures ambient temperature, for humidity transducer at the bottom of the tower of measures ambient humidity; Described pylon monitoring terminal connects described control box by cable network;
Wherein said control box comprises mainboard, and mainboard is provided with telecontrol chip, control box wire transmission chip; Wherein said telecontrol chip connects remote control terminal, and connects described pylon monitoring terminal by described control box wire transmission chip; Wherein said telecontrol chip connects electro-heat deicing switching circuit, supply lines and external power supply that described electro-heat deicing switching circuit is connected to respectively blade carries out electro-heat deicing power supply;
On wherein said control box, be also provided with hand switch, described hand switch connects described electro-heat deicing switching circuit;
Described control box also comprises automatic control chip, and described automatic control chip connects described pylon monitoring terminal by described control box wire transmission chip, and described automatic control chip connects described electro-heat deicing switching circuit; And described automatic control chip connects remote control terminal;
Described control box also comprises control box wireless transmission chip, and described control box wireless transmission chip is connected in the blade monitoring terminal on described blade by wireless network, and described automatic control chip connects described control box wireless transmission chip.
2. supervisory system at the bottom of aero-generator rotor blade electro-heat deicing tower according to claim 1, it is characterized in that, described control box also comprises control box wireless transmission chip, described control box wireless transmission chip is connected in the blade monitoring terminal on described blade by wireless network, and described telecontrol chip connects described control box wireless transmission chip.
3. supervisory system at the bottom of aero-generator rotor blade electro-heat deicing tower according to claim 1 and 2, it is characterized in that, described system comprises the multiple blade monitoring terminals on SS face and the PS face that is separately positioned on each blade, and each blade monitoring terminal comprises Wireless Data Transmission chip, be fixed on first temperature transducer of described blade outer surface with monitoring blade outer surface temperature, be fixed on the second temperature transducer of the temperature of the supply lines of powering take monitoring as electro-heat deicing on the supply lines of described blade inner chamber, described the first temperature transducer is all connected respectively described Wireless Data Transmission chip to connect the control box wireless transmission chip of described control box by wireless network with the second temperature transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410029835.XA CN103821675B (en) | 2014-01-22 | 2014-01-22 | Wind generator rotor blade electrothermal ice melting tower bottom monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410029835.XA CN103821675B (en) | 2014-01-22 | 2014-01-22 | Wind generator rotor blade electrothermal ice melting tower bottom monitoring system |
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| CN103821675A true CN103821675A (en) | 2014-05-28 |
| CN103821675B CN103821675B (en) | 2017-01-11 |
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| CN201410029835.XA Expired - Fee Related CN103821675B (en) | 2014-01-22 | 2014-01-22 | Wind generator rotor blade electrothermal ice melting tower bottom monitoring system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104018997A (en) * | 2014-06-13 | 2014-09-03 | 连云港中复连众复合材料集团有限公司 | Anti-icing control system of wind turbine blade and manufacturing method of wind turbine blade with anti-icing performance |
| CN111852793A (en) * | 2020-07-30 | 2020-10-30 | 湖南拓天节能控制技术股份有限公司 | Method and device for combined control of fan starting and blade deicing prevention |
| CN113530768A (en) * | 2021-08-16 | 2021-10-22 | 上海工程技术大学 | Fan blade device that can remove snow based on carbon fiber is electrically conductive to generate heat |
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| CN102878026A (en) * | 2012-10-16 | 2013-01-16 | 刘中威 | Wind driven generator rotor blade with electrothermal deicing devices |
| CN203770033U (en) * | 2014-01-22 | 2014-08-13 | 刘中威 | Electric heating ice melting tower bottom monitoring system for wind driven generator rotor blades |
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Cited By (4)
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| CN104018997A (en) * | 2014-06-13 | 2014-09-03 | 连云港中复连众复合材料集团有限公司 | Anti-icing control system of wind turbine blade and manufacturing method of wind turbine blade with anti-icing performance |
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| CN111852793A (en) * | 2020-07-30 | 2020-10-30 | 湖南拓天节能控制技术股份有限公司 | Method and device for combined control of fan starting and blade deicing prevention |
| CN113530768A (en) * | 2021-08-16 | 2021-10-22 | 上海工程技术大学 | Fan blade device that can remove snow based on carbon fiber is electrically conductive to generate heat |
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| CN103821675B (en) | 2017-01-11 |
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Effective date of registration: 20190527 Address after: Room 816, Kechuang Building, West Section of Xiangge Avenue, Anyang High-tech Zone, Henan Province Patentee after: Anyang Tianyuan Electric Technology Co.,Ltd. Address before: 455000 West Section of Civilization Avenue, Anyang City, Henan Province Co-patentee before: Fang Yaquan Patentee before: Liu Zhongwei |
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