CN202883274U - Wind generator rotor blade with electric heating ice melting device - Google Patents
Wind generator rotor blade with electric heating ice melting device Download PDFInfo
- Publication number
- CN202883274U CN202883274U CN2012205272333U CN201220527233U CN202883274U CN 202883274 U CN202883274 U CN 202883274U CN 2012205272333 U CN2012205272333 U CN 2012205272333U CN 201220527233 U CN201220527233 U CN 201220527233U CN 202883274 U CN202883274 U CN 202883274U
- Authority
- CN
- China
- Prior art keywords
- electro
- deicing apparatus
- heat deicing
- heat
- generator rotor
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- Y02E10/722—
Abstract
The utility model provides a wind generator rotor blade with an electric heating ice melting device. The wind generator rotor blade with the electric heating ice melting device comprises a blade body which is provided with an inner surface and an outer surface, wherein a cavity body of the blade body is defined by the inner surface of the blade body, the electric heating ice melting device is arranged on the outer surface and the inner surface of the blade body and/or a sandwich structure, and the electric heating ice melting device is used for converting electrical energy to heat energy so as to melt ice on the blade body. The wind generator rotor blade with the electric heating ice melting device has the advantages of being capable of melting the ice under the condition of normally generating electricity of a wind generator assembly, improving working efficiency of the wind generator assembly, increasing electric energy production without being impacted by external force and saving electricity, flexible in installation due to the shape, light in weight and the like.
Description
Technical field
The utility model relates to a kind of outdoor power equipment that prevents the structure of freezing occurs, and relates in particular to a kind of electro-heat deicing apparatus that can prevent that aero-generator rotor blade from freezing, and belongs to technical field of wind power generating equipment.
Background technique
Along with going from bad to worse of energy shortage and ecotope, wind-power electricity generation application at home and abroad is more and more extensive.But extreme calamitous climate frequently occurs in recent years, and particularly China's sleet weather increases, and the operation of wind-power electricity generation is brought have a strong impact on.In the climatic environment of sleet, be very easy on the rotor blade freeze, can produce following harm to wind-power electricity generation: on the one hand, along with thickening of ice sheet, the physical appearance of blade changes, so that blade wind-engaging ability reduces, thereby make the airmechanics hydraulic performance decline of blade, affect wind power generation efficiency; On the other hand, along with thickening of ice sheet, the weight of blade increases, and strengthens the load of generator set, has increased the mechanical wear of generator set, affects life-span and the safety of generator set.
Eliminating at present the blade method commonly used of freezing, is to shut down deicing, its de-icing method when blade freezes to a certain extent: the one, and the natural deicing of waiting for that the temperature rises; The 2nd, manually beat deicing.Using said method not only affects the generated energy of generator set, and may cause damage to generator set because beaing.
The model utility content
The purpose of this utility model is to provide a kind of aero-generator rotor blade and control system thereof with electro-heat deicing apparatus, the generated energy that affects generator set that exists to solve prior art, even may damage the problems such as blade, generator set.
For solving the problems of the technologies described above, the technological scheme of the aero-generator rotor blade with electro-heat deicing apparatus that the utility model provides is: comprise blade body, described blade body comprises internal surface and outer surface, the internal surface of described blade body surrounds the cavity body that forms described blade body, it is characterized in that, thereby on the outer surface of described blade body, internal surface and/or be provided with in the sandwich structure be used to converting electrical energy into heat energy and melt the electro-heat deicing apparatus that freezes on the described blade body.
According to a kind of preferred implementation of above-mentioned ice-melting device, wherein, described electro-heat deicing apparatus in the form of sheets, and described electro-heat deicing apparatus is attached at outer surface, the internal surface of described blade body or is folded in the sandwich structure of described blade body.
A kind of preferred implementation according to above-mentioned ice-melting device, wherein, described electro-heat deicing apparatus in the form of sheets, described electro-heat deicing apparatus comprises thermal insulation layer, electric heating element and insulating radiation layer, described electric heating element is installed on the described thermal insulation layer, and described insulating radiation layer is coated on the described electric heating element.
A kind of preferred implementation according to above-mentioned ice-melting device, wherein, described thermal insulation layer is asbestos fiber layer or glass fibre layer, described electric heating element is the electrothermal chip that comprises the soft silk of German silver low temperature, nichrome electric heating wire or Aludirome electric heating wire, described insulating radiation layer is the PVC engineering plastics, wherein, the thickness of described thermal insulation layer is 1-1.5mm, and the thickness of described electrothermal chip is 2-4mm.
According to a kind of preferred implementation of above-mentioned ice-melting device, wherein, described electro-heat deicing apparatus is arranged according to the different differences of carrying out of described blade body surface zones of different heat dissipation.
A kind of preferred implementation according to above-mentioned ice-melting device, wherein, described electro-heat deicing apparatus is a plurality of, be connected in parallel between a plurality of described electro-heat deicing apparatus, and corresponding to the power of the described electro-heat deicing apparatus of the wind cutting face of described blade body and the afterbody power greater than remaining described electro-heat deicing apparatus.
A kind of preferred implementation according to above-mentioned ice-melting device, wherein, the surface size of a plurality of described electro-heat deicing apparatus is 500*1000mm, and the heating power of a plurality of described electro-heat deicing apparatus is respectively 100w and 200w, is 200w corresponding to the heating power of the described electro-heat deicing apparatus of the wind cutting face of described blade body and afterbody.
According to a kind of preferred implementation of above-mentioned ice-melting device, wherein, comprise that also be used to the control system of controlling described electro-heat deicing apparatus, described control system comprises:
Power supply unit is used for obtaining electric power;
Switch element is located between described power supply unit and the described electro-heat deicing apparatus, is used for controlling described power supply unit to the power supply of described electro-heat deicing apparatus; And
Control unit is connected with described switch element, is used for environment around and reaches to form and freeze, during the condition of sleet, control described switch element conducting, and described power supply unit is powered to described electro-heat deicing apparatus.
According to a kind of preferred implementation of above-mentioned ice-melting device, wherein, described power supply unit comprises:
At least two metal rings are used for being installed in the wind power generator rotor wheel hub, and wherein two described metal rings are used for connecting the 220V power supply;
At least two brushes, wherein two described brushes are connected in described switch element and connect between the described metal ring of 220V power supply;
Described control unit comprises:
Temperature conditioning unit, be connected with described switch element, temperature, humidity for detection of the surrounding environment of described aero-generator rotor blade with electro-heat deicing apparatus, around environment reach form to freeze, during the condition of sleet, control described switch element conducting, described power supply unit is powered to described electro-heat deicing apparatus;
RCU with described switch element wireless connections, is used for environment around and reaches to form and freeze, during the condition of sleet, control described switch element conducting, and described power supply unit is powered to described electro-heat deicing apparatus; And/or
Manual control unit is connected with described switch element, is used for environment around and reaches to form and freeze, during the condition of sleet, manually control described switch element conducting, and described power supply unit is powered to described electro-heat deicing apparatus.
A kind of preferred implementation according to above-mentioned ice-melting device, wherein, a plurality of described control system with aero-generator rotor blade of electro-heat deicing apparatus are connected with an area monitoring main-machine communication, so that the described a plurality of operations with aero-generator rotor blade of electro-heat deicing apparatus of described area monitoring host monitor.
The beneficial effect of technique scheme of the present utility model is as follows:
Can under the state of wind power generating set normal power generation, carry out online ice-melt, improve the working efficiency of wind power generating set, increase generated energy; Blade also need not to be subject to external force and impacts.And, have the characteristics such as economize on electricity, lightweight, shape is flexible for installation.
Description of drawings
Fig. 1 is the cross section structure schematic diagram with aero-generator rotor blade embodiment one of electro-heat deicing apparatus of the present utility model;
Fig. 2 is the stratiform structure schematic diagram of electro-heat deicing apparatus among Fig. 1;
Fig. 3 is the cross section structure schematic diagram with aero-generator rotor blade embodiment two of electro-heat deicing apparatus of the present utility model;
Fig. 4 is the theory diagram of the control system of the aero-generator rotor blade with electro-heat deicing apparatus of the present utility model.
Fig. 5 is the power supply unit of control system shown in Figure 4 obtains electric power from wind-driven generator theory structure schematic diagram.
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.
As shown in Figure 1, aero-generator rotor blade embodiment one with electro-heat deicing apparatus of the present utility model comprises blade body and electro-heat deicing apparatus 1, wherein, blade body comprises core 21, glass fibre reinforced plastics 22, web 23 etc., and web 23 is arranged in the cavity body 3 of blade body to increase the intensity of blade body.Blade body has internal surface and outer surface, and internal surface surrounds the cavity body 3 that forms blade body.The internal surface of blade body also is the cavity wall of cavity body 3, is pasted with electro-heat deicing apparatus 1, thereby electro-heat deicing apparatus 1 is used for converting electrical energy into icing, sleet on the heat energy fusing blade body.In other embodiments, electro-heat deicing apparatus 1 also can be attached to the outer surface of blade body, for example shown in Figure 2, perhaps blade body is designed to sandwich structure, electro-heat deicing apparatus 1 is arranged in the sandwich structure, certainly, also can will electro-heat deicing apparatus 1 be set at the part internal surface, at the part outer surface electro-heat deicing apparatus 1 be set.
As shown in figures 1 and 3, electro-heat deicing apparatus 1 in the form of sheets, can certainly be block with on the surface that is fixed on thick and fast blade body, wire to be to unroll on the outer surface of blade body.The internal structure of electro-heat deicing apparatus 1 is stratiform, and as shown in Figure 2, that electro-heat deicing apparatus 1 comprises is high temperature resistant, intensity is high, the insulating radiation layer 11 of perfect heat-dissipating and economize on electricity, reduce electric heating element 12, the thermal insulation layer 13 of power consumption.In electro-heat deicing apparatus shown in Figure 21, electric heating element 12 is installed on the thermal insulation layer 13, and insulating radiation layer 11 is coated on the electric heating element 12.
Thermal insulation layer 13 can be asbestos fiber layer or glass fibre layer, and preferably, thickness is 1-1.5mm.In the embodiment shown in fig. 1, thermal insulation layer 13 can avoid the dissipation of heat of electric heating element 12 generations to cavity body 3, in the embodiment shown in fig. 3, thermal insulation layer 13 can avoid the dissipation of heat of electric heating element 12 generations to core 21 and glass fibre reinforced plastics 22, thereby the outer surface of blade body is icing to melt, sleet so that the heat that electric heating element 12 produces is transmitted to as much as possible.Electric heating element 12 is the electrothermal chip that comprises the soft silk of German silver low temperature, nichrome or Aludirome electric heating wire.In electrothermal chip, the soft silk of German silver low temperature, nichrome electric heating wire or Aludirome electric heating wire are as the electric heating wire conductive exothermal, and electric heating wire is parellel and arranges (being similar to the bow font arranges), annular array in electrothermal chip.Preferably, comprise two groups of electric heating wire in the electrothermal chip, with wherein one group of electric heating wire inefficacy of prevention.Wherein, electric heating wire is preferably the soft silk of German silver low temperature (zinc-copper-nickel-alloy), and it is Low-temp. electrothermal materials, comprises copper nickel zinc, and specific resistance 0.12-0.4 (Ω) is withstand voltage more than 3700v.Electric heating wire adopts the PVC insulated with material outward, forms insulating radiation layer 11, insulating radiation layer 11 but have the insulating radiation effect, and be used for the fixedly position of electric heating wire, and in the embodiment shown in fig. 1, provide the good contact of electrothermal chip and blade surface.
After deliberation, the heat dissipation of different parts is not identical on the blade body, and is maximum at wind cutting face and the afterbody consumption of calorie of blade body, therefore, in the utility model, electro-heat deicing apparatus 1 carries out different layouts according to the difference of blade body surface heat dissipation.In addition, electro-heat deicing apparatus 1 is a plurality of, and all in the form of sheets, thickness is little, lightweight, soft yielding, whereby, the surface size of electro-heat deicing apparatus 1 can be designed to 500*1000mm.In the plane shape that changes electrothermal chip according to the variation of blade surface shape, electrothermal chip and blade surface shape are had good fit the time, be connected in parallel between the electric heating element 12 (electric heating wire) of a plurality of electro-heat deicing apparatus 1, and corresponding to the power of the electro-heat deicing apparatus 1 of the wind cutting face of blade body and the afterbody power greater than the electro-heat deicing apparatus 1 at all the other positions.For example, the voltage rating of the electro-heat deicing apparatus 1 of the present embodiment is 220v, heating power have for 100w, what have is 200w, is 200w corresponding to the power of the electro-heat deicing apparatus of the wind cutting face of blade body and afterbody.In other embodiments, if the heating power of electro-heat deicing apparatus is identical, the distribution density that then can increase electro-heat deicing apparatus at wind cutting face and the afterbody of blade body.
The control system that the utility model provides as shown in Figure 4, it is used for the automatic defrosting of the aero-generator rotor blade with electro-heat deicing apparatus of control graph 1 or Fig. 3, and this control system comprises switch element 4, power supply unit 5, control unit 6 and area monitoring main frame 8.Wherein, power supply unit 5 is used for obtaining electric power, and it can obtain electric power from wind-driven generator itself, also can be an electrical energy storage device, perhaps a power transmission and transformation device.Switch element 4 is connected between power supply unit 5 and the electro-heat deicing apparatus 1, and with the power supply of control power supply unit 5 to electro-heat deicing apparatus 1, switch power 4 can be an electronic switch, also can be mechanical switch.Control unit 6 is connected with switch element 4, be used for environment around reach form freeze, during the condition of sleet, 4 conductings of control switch unit make power supply unit 5 to electro-heat deicing apparatus 1 power supply.In one simplified embodiment, the staff finds that the environment around the wind-driven generator may cause the blade body surface to freeze, and then can press the button as control unit, makes the switch element conducting between power supply unit and the electro-heat deicing apparatus.
In the present embodiment, power supply unit 5 adopts the double loop mode, and when wind-driven generator normally moved, power supply was provided by wind-driven generator, adopts special power supply to supply with when wind-driven generator breaks down maintenance.Therefore, power supply unit 5 comprises special power supply, three metal rings 54 and three brushes 53.As shown in Figure 5, three metal rings 54 (live wire, zero line, ground wire) are installed on the wind power generator rotor wheel hub 55.Two metal articulating 220V power supplys wherein, another metal ring (by transformer 52) ground connection.In three brushes 53 two are connected in switch element 4 (Fig. 5 is not shown) and connect between the metal ring of 220V power supply; Another brush is connected in ground.When blade body 56 was in rotary course, wheel hub 55 rotations drove 50 rotations of blower fan large fluted disc, and blower fan large fluted disc 50 drives generator 51 generatings, and transformer 52 is converted to the 220V power supply with the electric power of generator 51 outputs, and is connected with brush 53 by wire.The electric current of power supply brush is connected by the lead-in wire of metal ring with electro-heat deicing apparatus 1.Special power supply can be battery, also can be the power transmission and distribution device that is connected with other wind-driven generators, to obtain the power supply of other normal wind-driven generators that move.
In the present embodiment, control unit 6 comprises temperature conditioning unit 61, RCU 62, manual control unit 63.Temperature conditioning unit 61 is connected with switch element 4, temperature, humidity for detection of the wind-driven generator surrounding environment, around environment reach form to freeze, during the condition of sleet, 4 conductings of control switch unit, make power supply unit 5 to electro-heat deicing apparatus 1 power supply, it comprises temperature transducer and humidity transducer, after the two detects relevant parameter, data processing unit by control unit 6 calculates according to the program of setting, to judge whether to reach ice-formation condition, may freeze if judge the blade body surface, then control unit 6 is so that switch element 4 conductings.RCU 62 and switch element 4 wireless connections, be used for environment around reach form freeze, during the condition of sleet, 4 conductings of control switch unit make power supply unit 5 to electro-heat deicing apparatus 1 power supply.Particularly, RCU 62 comprises signal receiving end device and signal transmitting end device, can pass through infrared communication between the two, also can communicate by RFID.In the situation that breaking down, temperature conditioning unit 61 can't move or not arrange temperature conditioning unit 61, the staff is according to the surrounding environment that detects, judge that the blade body surface may occur to freeze or when having occured to freeze, can the operation signal transmitting end device, make signal receiving end device actuating switch unit 4.Manual control unit 63 is connected with switch element 4, be used for environment around reach form freeze, during the condition of sleet, 4 conductings of hand control switch unit make power supply unit 5 to electro-heat deicing apparatus 1 power supply.As from the foregoing, the switch element 4 of the present embodiment is in normally open, and the control of temperature conditioning unit 61, RCU 62,63 pairs of switch elements 4 of manual control unit all is independent, also be, when temperature conditioning unit 61, RCU 62, manual control unit 63 arbitrary action, switch element 4 just can be closed, makes the circuit turn-on between power supply unit 5, the electro-heat deicing apparatus 1.
For centralized control, a plurality of aero-generator rotor blade are carried out electro-heat deicing, the present embodiment also comprises area monitoring main frame 8, area monitoring main frame 8 is by communication network 7 and control unit 6 communication connections.Area monitoring main frame 8 can be controlled a plurality of wind-driven generators, sends instruction to a plurality of wind-driven generators, reads, records the ice-melt state of a plurality of wind-force wind turbines, improves accuracy and the working efficiency of regional ice-melt.
To sum up, the utility model can avoid blade of wind-driven generator that the phenomenon of freezing occurs, thereby carries out online ice-melt under the state of wind power generating set normal power generation, improves the working efficiency of wind power generating set, increase generated energy, and economize on electricity, lightweight, simple in structure.
It more than is preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from 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 (10)
1. aero-generator rotor blade with electro-heat deicing apparatus, comprise blade body, described blade body comprises internal surface and outer surface, the internal surface of described blade body surrounds the cavity body that forms described blade body, it is characterized in that, thereby on the outer surface of described blade body, internal surface and/or be provided with in the sandwich structure be used to converting electrical energy into heat energy and melt the electro-heat deicing apparatus that freezes on the described blade body.
2. the aero-generator rotor blade with electro-heat deicing apparatus according to claim 1, it is characterized in that, described electro-heat deicing apparatus in the form of sheets, and described electro-heat deicing apparatus is attached at outer surface, the internal surface of described blade body or is folded in the sandwich structure of described blade body.
3. the aero-generator rotor blade with electro-heat deicing apparatus according to claim 1, it is characterized in that, described electro-heat deicing apparatus in the form of sheets, described electro-heat deicing apparatus comprises thermal insulation layer, electric heating element and insulating radiation layer, described electric heating element is installed on the described thermal insulation layer, and described insulating radiation layer is coated on the described electric heating element.
4. the aero-generator rotor blade with electro-heat deicing apparatus according to claim 3, it is characterized in that, described thermal insulation layer is asbestos fiber layer or glass fibre layer, described electric heating element is the electrothermal chip that comprises the soft silk of German silver low temperature, nichrome electric heating wire or Aludirome electric heating wire, described insulating radiation layer is the PVC engineering plastics, the thickness of described thermal insulation layer is 1-1.5mm, and the thickness of described electrothermal chip is 2-4mm.
5. the aero-generator rotor blade with electro-heat deicing apparatus according to claim 1 is characterized in that, described electro-heat deicing apparatus is arranged according to the different differences of carrying out of described blade body surface zones of different heat dissipation.
6. the aero-generator rotor blade with electro-heat deicing apparatus according to claim 5, it is characterized in that, described electro-heat deicing apparatus is a plurality of, be connected in parallel between a plurality of described electro-heat deicing apparatus, and corresponding to the power of the described electro-heat deicing apparatus of the wind cutting face of described blade body and the afterbody power greater than remaining described electro-heat deicing apparatus.
7. the aero-generator rotor blade with electro-heat deicing apparatus according to claim 6, it is characterized in that, the surface size of a plurality of described electro-heat deicing apparatus is 500*1000mm, and the heating power of a plurality of described electro-heat deicing apparatus is respectively 100w and 200w, is 200w corresponding to the heating power of the described electro-heat deicing apparatus of the wind cutting face of described blade body and afterbody.
8. arbitrary described aero-generator rotor blade with electro-heat deicing apparatus is characterized in that according to claim 1-7, comprises that also be used to the control system of controlling described electro-heat deicing apparatus, described control system comprises:
Power supply unit is used for obtaining electric power;
Switch element is located between described power supply unit and the described electro-heat deicing apparatus, is used for controlling described power supply unit to the power supply of described electro-heat deicing apparatus; And
Control unit is connected with described switch element, is used for environment around and reaches to form and freeze, during the condition of sleet, control described switch element conducting, and described power supply unit is powered to described electro-heat deicing apparatus.
9. the aero-generator rotor blade with electro-heat deicing apparatus according to claim 8 is characterized in that, described power supply unit comprises:
At least two metal rings are used for being installed in the wind power generator rotor wheel hub, and wherein two described metal rings are used for connecting the 220V power supply;
At least two brushes, wherein two described brushes are connected in described switch element and connect between the described metal ring of 220V power supply;
Described control unit comprises:
Temperature conditioning unit, be connected with described switch element, temperature, humidity for detection of the surrounding environment of described aero-generator rotor blade with electro-heat deicing apparatus, around environment reach form to freeze, during the condition of sleet, control described switch element conducting, described power supply unit is powered to described electro-heat deicing apparatus;
RCU with described switch element wireless connections, is used for environment around and reaches to form and freeze, during the condition of sleet, control described switch element conducting, and described power supply unit is powered to described electro-heat deicing apparatus; And/or
Manual control unit is connected with described switch element, is used for environment around and reaches to form and freeze, during the condition of sleet, manually control described switch element conducting, and described power supply unit is powered to described electro-heat deicing apparatus.
10. the aero-generator rotor blade with electro-heat deicing apparatus according to claim 9, it is characterized in that, a plurality of described control system with aero-generator rotor blade of electro-heat deicing apparatus are connected with an area monitoring main-machine communication, so that the described a plurality of operations with aero-generator rotor blade of electro-heat deicing apparatus of described area monitoring host monitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205272333U CN202883274U (en) | 2012-10-16 | 2012-10-16 | Wind generator rotor blade with electric heating ice melting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205272333U CN202883274U (en) | 2012-10-16 | 2012-10-16 | Wind generator rotor blade with electric heating ice melting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202883274U true CN202883274U (en) | 2013-04-17 |
Family
ID=48074709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012205272333U Expired - Lifetime CN202883274U (en) | 2012-10-16 | 2012-10-16 | Wind generator rotor blade with electric heating ice melting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202883274U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102878026A (en) * | 2012-10-16 | 2013-01-16 | 刘中威 | Wind driven generator rotor blade with electrothermal deicing devices |
| CN114876745A (en) * | 2022-04-26 | 2022-08-09 | 国家电投集团江西吉安新能源有限公司 | Deicing balance control device and method for wind driven generator blade |
-
2012
- 2012-10-16 CN CN2012205272333U patent/CN202883274U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102878026A (en) * | 2012-10-16 | 2013-01-16 | 刘中威 | Wind driven generator rotor blade with electrothermal deicing devices |
| CN102878026B (en) * | 2012-10-16 | 2015-02-04 | 刘中威 | Wind driven generator rotor blade with electrothermal deicing devices |
| CN114876745A (en) * | 2022-04-26 | 2022-08-09 | 国家电投集团江西吉安新能源有限公司 | Deicing balance control device and method for wind driven generator blade |
| CN114876745B (en) * | 2022-04-26 | 2023-10-13 | 国家电投集团江西吉安新能源有限公司 | Deicing balance control device and method for wind driven generator blade |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102878026B (en) | Wind driven generator rotor blade with electrothermal deicing devices | |
| CN203035466U (en) | Carbon fiber strengthened wind machine blade with deicing and anti-freezing functions | |
| CN112096577A (en) | Fan blade defroster | |
| CN105221358A (en) | A kind of induction heating deicer for wind generator set blade | |
| CN106321372B (en) | Suitable for blade of wind-driven generator it is anti-icing/the compound carbon fiber heater element of ice-melt | |
| CN106438226B (en) | Circulation electric-heating for blade of wind-driven generator melts anti-icing equipment | |
| CN102374137B (en) | Manufacturing method of icing-protection wind power generator blade | |
| CN202883274U (en) | Wind generator rotor blade with electric heating ice melting device | |
| CN203775432U (en) | Rotor blade and electrothermal chip for electrothermal deicing rotor blade of wind driven generator | |
| CN207064138U (en) | Wind generator set blade and wind power generating set | |
| CN212583885U (en) | Anti-icing and de-icing device for wind power blade | |
| CN212296729U (en) | Fan blade defroster | |
| CN202250642U (en) | Anti-freezing wind driven generator blade | |
| CN218407687U (en) | Heating and deicing system for wind power blade | |
| CN203161452U (en) | Novel deicing equipment | |
| CN203770035U (en) | Electric heating ice melting system for wind turbine blades | |
| CN205117631U (en) | Take heat radiating means's wind -powered electricity generation erection column | |
| CN103821675B (en) | Wind generator rotor blade electrothermal ice melting tower bottom monitoring system | |
| CN203272028U (en) | Electric heating anti-icing and deicing wind turbine blade achieving anti-thunder protection | |
| CN206681920U (en) | A kind of fan blade of wind generating set that can prevent from freezing | |
| CN203366837U (en) | High voltage power transmission cable, and deicing device for same | |
| CN115614233A (en) | Low-resistance metal material-based wind turbine blade deicing system, blade deicing control method, blade and wind turbine generator set | |
| CN203770036U (en) | Electric heating ice melting wireless control system for wind driven generator rotor blades | |
| CN210948992U (en) | Wind power generation and flexible film solar combined power generation device with ice-removing function | |
| CN114233583A (en) | Electric pulse-based wind turbine generator blade deicing device and deicing method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: LI ANMIN NANTONG DONGTAI NEW ENERGY EQUIPMENT CO., Free format text: FORMER OWNER: LI ANMIN NANTONG DONGTAI NEW ENERGY EQUIPMENT CO., LTD. Effective date: 20140326 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140326 Address after: Anyang City, Henan province 455000 civilization Road West No. 696, No. 1 Building 1 unit 11 floor West households Patentee after: Liu Zhongwei Patentee after: Li Anmin Patentee after: NANTONG DONGTAI NEW ENERGY EQUIPMENT Co.,Ltd. Patentee after: Fang Yaquan Address before: Anyang City, Henan province 455000 civilization Road West No. 696, No. 1 Building 1 unit 11 floor West households Patentee before: Liu Zhongwei Patentee before: Li Anmin Patentee before: NANTONG DONGTAI NEW ENERGY EQUIPMENT Co.,Ltd. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160129 Address after: Anyang City, Henan province 455000 civilization Road West No. 696, No. 1 Building 1 unit 11 floor West households Patentee after: Liu Zhongwei Patentee after: Li Anmin Patentee after: Fang Yaquan Address before: Anyang City, Henan province 455000 civilization Road West No. 696, No. 1 Building 1 unit 11 floor West households Patentee before: Liu Zhongwei Patentee before: Li Anmin Patentee before: NANTONG DONGTAI NEW ENERGY EQUIPMENT Co.,Ltd. Patentee before: Fang Yaquan |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130417 |
|
| CX01 | Expiry of patent term |