CN220599929U - In-situ damage monitoring and electrothermal deicing system based on super-hydrophobic coating - Google Patents
In-situ damage monitoring and electrothermal deicing system based on super-hydrophobic coating Download PDFInfo
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- CN220599929U CN220599929U CN202320420191.1U CN202320420191U CN220599929U CN 220599929 U CN220599929 U CN 220599929U CN 202320420191 U CN202320420191 U CN 202320420191U CN 220599929 U CN220599929 U CN 220599929U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 58
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 52
- 238000000576 coating method Methods 0.000 title claims abstract description 49
- 239000011248 coating agent Substances 0.000 title claims abstract description 46
- 230000003075 superhydrophobic effect Effects 0.000 title claims abstract description 38
- 239000002086 nanomaterial Substances 0.000 claims abstract description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 14
- 239000002105 nanoparticle Substances 0.000 claims description 11
- 229910052799 carbon Inorganic materials 0.000 claims description 10
- 239000002070 nanowire Substances 0.000 claims description 9
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 6
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 5
- 239000002041 carbon nanotube Substances 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 claims description 5
- 229910021389 graphene Inorganic materials 0.000 claims description 5
- 229910021392 nanocarbon Inorganic materials 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical class O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 229910000420 cerium oxide Inorganic materials 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 3
- 235000013870 dimethyl polysiloxane Nutrition 0.000 claims description 3
- 238000010041 electrostatic spinning Methods 0.000 claims description 3
- CXQXSVUQTKDNFP-UHFFFAOYSA-N octamethyltrisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C CXQXSVUQTKDNFP-UHFFFAOYSA-N 0.000 claims description 3
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 238000004987 plasma desorption mass spectroscopy Methods 0.000 claims description 3
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 3
- 239000011787 zinc oxide Substances 0.000 claims description 3
- 238000005485 electric heating Methods 0.000 abstract description 6
- 239000011664 nicotinic acid Substances 0.000 abstract description 5
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Classifications
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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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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses an in-situ damage monitoring and super-hydrophobic coating-based electrothermal deicing system, which comprises a fan blade body, wherein the surface of the fan blade body is of a bionic micro-nano structure, the fan blade body is provided with an in-situ damage monitoring sensing network, electrodes arranged at two ends of the in-situ damage monitoring sensing network are respectively connected with a damage monitor and an external power supply, and the surface of the fan blade body is coated with the super-hydrophobic coating. The utility model can detect the damage of the fan blade in real time, efficiently improve the surface temperature of the fan blade in an electric heating sensing network mode, simultaneously repair the super-hydrophobic coating, realize the anti-icing and deicing functions of the fan blade and prolong the service life of the fan blade.
Description
Technical Field
The utility model belongs to the technical field of fan blade deicing, and particularly relates to an in-situ damage monitoring and electrothermal deicing system based on a super-hydrophobic coating.
Background
Wind power is used as a typical clean energy source, and has rich wind energy resources in the north of China. Due to weather conditions, the winter in these areas can often be up to 5 months, and the maintenance of fan power generation equipment has great problems, and the fan blade ice-coating situation is particularly serious in areas with frequent freezing disasters and climates. Icing poses a threat to safe and efficient operation of the wind turbine, resulting in reduced operational efficiency of the wind turbine, and thus power losses can be up to 0.5% or even higher. Therefore, it is very important to prevent icing on the surface of the wind turbine blade and take deicing measures in time.
At present, most of common ice control means adopt mechanical vibration and gas heat/electric heat deicing. The anti-icing/deicing mechanical device is additionally arranged on the blade, so that the weight of the blade is increased, the design complexity and the manufacturing cost of the blade are increased, and the power generation efficiency is greatly reduced. Meanwhile, the surface layer material of the blade can be continuously subjected to alternating cold and hot or mechanical vibration, so that the thermal fatigue and mechanical fatigue performance of the blade are easy to reduce, and the overall safety and reliability of the blade are affected.
Disclosure of Invention
The utility model aims to solve the technical problems in the prior art, and provides an in-situ damage monitoring and electrothermal deicing system based on a super-hydrophobic coating, which can detect damage of a fan blade in real time, improve the surface temperature of the fan blade in a high-efficiency manner through an electric heating sensing network, repair the super-hydrophobic coating, realize the anti-icing and deicing functions of the fan blade and prolong the service life of the fan blade.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides an in situ damage monitoring and based on super-hydrophobic coating electrothermal deicing system, includes fan blade body, its characterized in that: the surface of fan blade body is bionical little the nanometer structure, and fan blade body is equipped with normal position damage monitoring sensor network, and normal position damage monitoring sensor network both ends arrange the electrode and are connected with damage monitor and external power source respectively and form the circuit return circuit respectively, and the surface coating of fan blade body has super-hydrophobic coating. The system establishes an in-situ damage monitoring network in the fan blade, enhances the material performance of the surface of the fan blade, particularly the deicing impact resistance of the material, and efficiently improves the surface temperature of the fan blade in a mode of electrically heating the in-situ damage monitoring sensing network, and simultaneously repairs the super-hydrophobic coating, preheats the fan blade in advance in winter and melts ice and snow. The super-hydrophobic coating can effectively delay icing according to the heterogeneous nucleation principle and the phase formation principle, and ice coating is reduced.
Further, modified nano particles are wrapped in the super-hydrophobic coating. In order to increase the superhydrophobicity of the coating, modified nanoparticles are added into the coating, and the addition of the nanoparticles simultaneously improves the durability of the superhydrophobic coating material.
Further, the superhydrophobic coating is at least one of PDMS, SHEP, SMEP composite superhydrophobic coatings.
Further, the nanoparticle is at least one of modified silica, zinc oxide, and cerium oxide.
Further, the in-situ damage monitoring and sensing network is composed of carbon nano wires prepared by using an electrostatic spinning technology, and can also be composed of unidirectional fiber bundles, wherein the intersection point of each carbon nano wire is a damage monitoring point. When the damage monitoring function module is started, the multi-layer in-situ damage monitoring sensing network is connected with a damage monitor capable of realizing multi-channel electrical signals. And real-time data of the electrical signal change of the multilayer in-situ sensing network is sent to the temperature control integrated chip in a wireless data transmission mode, so that the health condition of the three-dimensional (multi-layer) fan blade is displayed in real time.
Further, the surface of the carbon nanowire is modified by at least one of carbon nanotubes, carbon nanospheres, graphene and other materials. At least one of the materials such as the carbon nano tube, the nano carbon sphere, the graphene and the like is modified, so that the interfacial performance of the fan blade body at the position is enhanced.
Further, the in-situ damage monitoring sensing network is at least two layers, so that damage in-situ monitoring of different depths is realized.
Further, the in-situ damage monitoring sensor network and the fan blade should be integrally formed by a reliable process, and is at least one of autoclave forming technology, VARI, RTM and the like.
Further, the in-situ damage monitoring sensing network is connected with the damage monitor and the external power supply in parallel through an electrode slice treated by conductive silver paste or conductive paint.
Further, the damage monitor is connected with a temperature control integrated chip in the external power supply, so that the in-situ damage monitoring module and the heating anti-icing deicing module are automatically switched. When the outdoor temperature measured by the temperature detector is below 0 ℃, the temperature control integrated chip judges that the fan blade has icing risk, and the power output module starts to work. Considering the energy loss and thermoelectric conversion efficiency of heat in the transfer process, the power supply output module preferably only adopts the outermost layer in-situ sensing network to perform electric heating, the temperature of the shell of the fan blade body is maintained to be about 10 ℃, the fan blade is prevented from icing in advance, and the possibility of icing is reduced. The aim of controlling the apparent temperature of the fan blade is achieved by regulating and controlling the output power of an external output power supply and accessing the number of layers of an in-situ damage monitoring sensing network. If the surface temperature of the fan blade is still lower than 0 ℃ after the long-time multi-turn electric heating, the temperature control warning is triggered to enable the external power supply to finish working.
Due to the adoption of the technical scheme, the utility model has the following beneficial effects:
the super-hydrophobic coating is sprayed on the surface of the fan blade body, so that the fan blade has good anti-icing performance, real-time detection of the fan blade is realized by fully utilizing the in-situ sensing network, and meanwhile, the self-repairing anti-icing performance of the fan blade assembly is realized, so that the maintenance cost of the fan blade is reduced.
Drawings
The utility model is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic diagram of a structure in which staggered in-situ monitoring sensor networks are formed on the inner surfaces of fan blades;
FIG. 2 is a schematic view of the surface structure of a fan blade assembly according to the present utility model;
FIG. 3 is a schematic diagram of data transmission between a damage monitor and an external power supply with a temperature control integrated chip according to the present utility model;
fig. 4 is a flow chart of an electrothermal ice protection and deicing technique of the temperature control integrated chip.
In the figure, 1-a fan blade body; 2-in-situ damage monitoring and sensing network; 3-modifying the nanoparticle; 4-superhydrophobic coating; 5-a damage monitor; 6-externally-applied power supply; 7-the surface of the fan blade with the bionic micro-nano structure; 8-temperature control integrated chip.
Description of the embodiments
As shown in fig. 1 to 4, the in-situ damage monitoring and super-hydrophobic coating-based electrothermal deicing system comprises a fan blade body 1, wherein the surface of the fan blade body 1 is of a bionic micro-nano structure, the fan blade body 1 is provided with an in-situ damage monitoring sensing network 2, electrodes arranged at two ends of the in-situ damage monitoring sensing network 2 are respectively connected with a damage monitor 5 and an external power supply 6, and the surface of the fan blade body 1 is coated with a super-hydrophobic coating 4. The system establishes an in-situ damage monitoring sensing network 2 in the fan blade body 1, strengthens the material performance of the blade surface, particularly the deicing impact resistance of the material, and improves the surface temperature of the fan blade body 1 in a high efficiency mode through the electric heating in-situ damage monitoring sensing network 2, and simultaneously repairs the super-hydrophobic coating 4, preheats the fan blade in advance in winter and melts ice and snow. The super-hydrophobic coating 4 can effectively delay icing and reduce icing according to the heterogeneous nucleation principle and the phase formation principle. The super-hydrophobic coating 4 has excellent anti-icing and deicing performances, and can be self-repaired after the temperature is increased.
The inside of the super-hydrophobic coating 4 is wrapped with modified nano particles 3. In order to increase the superhydrophobicity of the coating to form multi-scale roughness, modified nanoparticles 3 are added inside the coating, and the addition of the modified nanoparticles 3 simultaneously improves the durability of the superhydrophobic coating 4 material.
The bionic micro-nano structure is at least one of a rose structure, a lotus leaf structure and a peanut leaf structure. The fan blade is prepared by utilizing the designed mould in the preparation process, so that the fan blade body 1 has a designed bionic micro-nano structure on the surface after molding, post-processing is not needed, and the damage of other working procedures to the performance of the fan surface material is avoided. On the premise of not reducing the surface material property of the fan blade body 1, the micro-nano multi-dimensional super-hydrophobic coating 4 is constructed.
The super-hydrophobic coating 4 is at least one of PDMS, SHEP, SMEP composite super-hydrophobic coatings 4.
The modified nanoparticle 3 is at least one of modified silica, zinc oxide, and cerium oxide.
The connection mode of the in-situ damage monitoring sensing network 2, the damage monitor 5 and the external power supply 6 with the temperature control integrated chip 8 is shown in fig. 2. As shown in fig. 3, the damage monitor 5 sends real-time data of the electrical signal change of the in-situ damage monitoring sensing network 2 to the temperature control integrated chip 8 in a wireless data transmission mode, and displays the health condition of the three-dimensional (multi-layer) fan blade in real time, so as to achieve the purpose of in-situ monitoring. The in-situ damage monitoring and sensing network 2 is composed of carbon nano wires prepared by using an electrostatic spinning technology, and can also be composed of unidirectional fiber bundles, wherein the intersection point of each carbon nano wire is a damage monitoring point. When the damage monitoring function module is started, the multi-layer in-situ damage monitoring sensing network 2 is connected with the damage monitor 5 capable of realizing multi-channel electrical signals.
The surface of the carbon nano wire is modified by at least one of carbon nano tube, nano carbon sphere, graphene and other materials. At least one of the materials such as carbon nano tube, nano carbon sphere, graphene and the like is modified to strengthen the interfacial property of the fan blade body 1.
The in-situ damage monitoring sensing network 2 is at least two layers, so that damage in-situ monitoring of different depths is realized.
The in-situ damage monitoring and sensing network 2 and the fan blade body are integrally formed by a reliable process, and are at least one of autoclave forming technology, VARI, RTM and the like.
The in-situ damage monitoring and sensing network 2 is connected with the damage monitor 5 and the external power supply 6 in parallel through electrode plates treated by conductive silver paste or conductive paint.
The temperature control integrated chip 8 processes the data transmitted from the damage monitor 5 and controls the output power according to the steps in the flowchart of fig. 4. The damage monitor 5 is connected with a temperature control integrated chip in the external power supply 6, so that the in-situ damage monitoring module and the heating anti-icing deicing module are automatically switched. When the outdoor temperature measured by the temperature detector is below 0 ℃, the temperature control integrated chip 8 judges that the fan blade has icing risk, and the power output module starts to work. Considering the energy loss and the thermoelectric conversion efficiency of heat in the transfer process, the power supply output module preferably only adopts the outermost layer in-situ damage monitoring sensing network 2 to perform electric heating, maintains the temperature of the shell of the fan blade body 1 at about 10 ℃, prevents the fan blade from icing in advance, and reduces the possibility of icing. The aim of controlling the apparent temperature of the fan blade is achieved by regulating and controlling the output power of an external output power supply and accessing the number of layers of the in-situ damage monitoring sensing network 2.
The above is only a specific embodiment of the present utility model, but the technical features of the present utility model are not limited thereto. Any simple changes, equivalent substitutions or modifications and the like made on the basis of the present utility model to solve the substantially same technical problems and achieve the substantially same technical effects are included in the scope of the present utility model.
Claims (9)
1. The utility model provides an in situ damage monitoring and based on super-hydrophobic coating electrothermal deicing system, includes fan blade body, its characterized in that: the surface of fan blade body is bionical micro-nano structure, the fan blade body is equipped with normal position damage monitoring sensor network, normal position damage monitoring sensor network both ends arrangement electrode is connected with damage monitor and external power source respectively and forms the circuit return circuit respectively, the surface coating of fan blade body has super-hydrophobic coating.
2. An in situ damage monitoring and electrothermal deicing system based on a superhydrophobic coating according to claim 1, wherein: modified nano particles are wrapped in the super-hydrophobic coating.
3. An in situ damage monitoring and electrothermal deicing system based on a superhydrophobic coating according to claim 1, wherein: the super-hydrophobic coating is at least one of PDMS, SHEP, SMEP composite super-hydrophobic coatings.
4. An in situ damage monitoring and electrothermal deicing system based on a superhydrophobic coating according to claim 2, wherein: the modified nanoparticle is at least one of modified silica, zinc oxide and cerium oxide.
5. An in situ damage monitoring and electrothermal deicing system based on a superhydrophobic coating according to claim 1, wherein: the in-situ damage monitoring and sensing network is composed of carbon nanowires prepared by using an electrostatic spinning technology, and the intersection point of each carbon nanowire is a damage monitoring point.
6. An in situ damage monitoring and ultra-hydrophobic coating-based electrothermal deicing system as recited in claim 5, wherein: the surface of the carbon nanowire is modified by at least one of a carbon nanotube, a nano carbon sphere and a graphene material.
7. An in situ damage monitoring and ultra-hydrophobic coating-based electrothermal deicing system as recited in claim 5, wherein: the in-situ damage monitoring and sensing network is at least two layers.
8. An in situ damage monitoring and electrothermal deicing system based on a superhydrophobic coating according to claim 1, wherein: the in-situ damage monitoring sensing network is connected with the damage monitor and the external power supply in parallel through an electrode slice treated by conductive silver paste or conductive paint.
9. An in situ damage monitoring and electrothermal deicing system based on a superhydrophobic coating according to claim 1, wherein: the damage monitor is connected with a temperature control integrated chip in the external power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320420191.1U CN220599929U (en) | 2023-03-01 | 2023-03-01 | In-situ damage monitoring and electrothermal deicing system based on super-hydrophobic coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320420191.1U CN220599929U (en) | 2023-03-01 | 2023-03-01 | In-situ damage monitoring and electrothermal deicing system based on super-hydrophobic coating |
Publications (1)
| Publication Number | Publication Date |
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| CN220599929U true CN220599929U (en) | 2024-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320420191.1U Active CN220599929U (en) | 2023-03-01 | 2023-03-01 | In-situ damage monitoring and electrothermal deicing system based on super-hydrophobic coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220599929U (en) |
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2023
- 2023-03-01 CN CN202320420191.1U patent/CN220599929U/en active Active
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