Air bag body structure of paddle

Abstract

The present invention claims an invention of an airbag body construction of a blade. Relates to the field of green energy acquisition and utilization, and provides a novel structure which is light in weight, easy and convenient to replace and adjustable in shape to replace a traditional paddle structure, so that the benefit of acquiring and utilizing natural energy and wind energy is improved, and the cost of acquiring unit power is reduced. A thin-wall cavity or a bag body capable of being filled with gas is made of a flexible or non-flexible material, and is filled with the gas to regulate the pressure, so that the forming and the shape of the paddle and the framework of the paddle are controlled. Effective supporting and supporting force adjustment of the blades and the framework of the blades are achieved. While the wind kinetic energy is obtained, the torque obtaining can be adjusted by controlling the shape of the paddle. Frequency resonance formed by wind current power is absorbed, damage to the blades and whole equipment is eliminated, noise is reduced, environmental friendliness is improved, the relative ground height and installation condition limitation of wind kinetic energy obtaining equipment are reduced, and the device is suitable for economic popularization and sustainable application of popular and miniaturized wind power projects. And the wide social benefits of natural energy, wind-burning and green energy are improved.

Description

Technical Field

[0001] Green energy, pollution-free natural energy and wind energy utilization field. Background Art

[0002] Traditional wind blades made of metal or composite materials have some limitations. First, they are usually heavy, which increases the load and material consumption of the system and makes installation difficult. Second, metal wind blades are susceptible to corrosion and fatigue and require frequent maintenance and replacement. Although composite wind blades are relatively light, their manufacturing cost is relatively high. Wind power generation is an important source of renewable energy, and traditional wind power generation equipment usually consists of large wind rotors and wind blades. However, large wind power generation equipment not only occupies a large area and has high installation costs, but is also limited by factors such as geographical environment and wind speed. Therefore, a new type of miniaturized wind power generation equipment is needed to utilize wind energy in a limited space. Therefore, finding a lighter and more economical wind blade structure is a challenge in the field of wind power generation.

[0003] The blades used in the field of wind energy conversion and utilization generally have the characteristics of high manufacturing cost, long cost recovery period, heavy weight, difficult installation and disassembly, high risk of damage, and high power incremental compensation, which limits the development of small and medium-sized power generation fields that use blades to obtain natural kinetic energy.

[0004] In order to solve the universality of the blade manufacturing process, the simplicity of materials used, and the economic sustainability, the cost of obtaining electricity can be greatly reduced.

[0005] The present invention uses a lightweight airbag structure to replace the traditional blade structure, which helps the development and promotion of the green power economy.

[0006] Wind power generation is an important source of renewable energy. Traditional wind power generation equipment usually consists of large wind rotors and blades. Large wind power generation equipment has a large area and high installation cost. It is also limited by factors such as geographical environment and wind speed. Therefore, a new type of miniaturized wind power generation equipment is needed to utilize wind energy in a limited space and develop and popularize the green wind power economy. Summary of the invention

[0007] In view of the problems existing in the miniaturization of traditional large-scale wind power generation equipment, the present invention proposes an airbag structure for blades as a solution. The solution mainly includes the following technical innovations: The present invention is a paddle airbag structure, which acts on the partial or whole manufacturing of the paddle. The specific functions are as follows:

[0008] 1. Lightweight, small volume and efficiency ratio, hollow gas pressure regulating form, high cost performance. Thin-walled and lightweight design can significantly reduce system load and improve the efficiency and performance of wind power generation system.

[0009] 2. The use of elastic and flexible cavity materials allows the blades to have adjustable deformation, load adjustment, shock resistance and shock absorption, and the function of digesting and absorbing the frequency resonance damage caused by wind power. The flexibility of the airbag frame enables it to bend without breaking under overload conditions, further increasing the reliability of the system.

[0010] 3. In extreme weather conditions such as strong wind, rain and snow, the fan can be deflated, decompressed and unloaded, and the air can be adjusted to reduce pressure and load, forming a low-resistance state where the soft film can adjust its shape and position with the wind. This avoids damage to the blades and fatigue of the overall equipment's torsional strength against wind resistance stress. In contrast, metal blades are susceptible to corrosion and fatigue, and require frequent maintenance and replacement, while the manufacturing cost of traditional composite blades is many times higher.

[0011] 4. Reduce and absorb wind flutter noise. The hollow body of the flexible material can differentiate and absorb the flutter wave to avoid the formation of standing sound waves, reduce and absorb wind flutter noise, and improve environmental friendliness.

[0012] 5. Simplification of manufacturing steps and costs; the construction is mainly completed in three steps: making the cavity, filling the gas and adjusting the gas pressure.

[0013] The implementation method is briefly described. The airbag structure of a blade of the present invention is completed by the following three steps:

[0014] 1. Use the required cavity material to make the cavity of the airbag structure of the blade.

[0015] 2. Fill the cavity of the airbag structure of the blade with gas.

[0016] 3. Adjust the pressure of the gas filled into the cavity of the airbag structure of the blade.

[0017] The geometric cavity is manufactured by specifically designing the desired shape of the blade and completing the airbag structure of the blade.

[0018] Briefly explain the working principle;

[0019] 1. By using flexible or non-flexible cavity materials to make a cavity that can be filled with gas, and adjusting the pressure applied to the gas filled therein, the forming and shape of the blade and its frame, as well as the effective support and support strength of the blade and its frame can be controlled. The magnitude of the control support strength can be designed to adjust the extension and closing range of the blade and its frame to meet the requirements of various working conditions and application scenarios.

[0020] 2. While obtaining natural kinetic energy and wind energy, the shape of the blades can be controlled by air pressure to adjust the torque obtained, effectively avoiding overload or underload.

[0021] 3. The cavity or capsule formed by the airbag structure effectively becomes a cavity for accommodating sound waves, absorbing and converting part of the kinetic energy. The damping effect generated by the flexible cavity material then differentiates and reduces the conduction of sound waves and the formation of standing waves. It effectively forms a sponge-like sound absorption and noise reduction and damping conversion effect. It avoids the frequency resonance of the wind power on the blades and the structural damage and noise damage caused by the accumulation of sound waves in the natural environment.

[0022] ; Give examples; Case 1: An airbag structure of a blade. The aramid fiber of the plastic described in claim 2 is used as the material, and a high-density aramid cloth cavity in the shape of a blade is made by the overall weaving and in-cavity drawing method of the weaving molding process described in claim 5, and the high-density aramid cloth cavity is coated with silicone adhesive for sealing. According to claim 6, an air valve is installed through the reserved hole of the cavity and coated with silicone adhesive for sealing. After drying, the air described in claim 3 is filled through the above-mentioned valve according to claim 4. According to claim 4, the pressure of the above-mentioned air is adjusted to 0.01-0.1 MPa, and the above-mentioned cavity in the shape of the blade is pressure-measured, leak-tested and repaired, and then the above-mentioned cavity is sealed with silicone adhesive for the second time. After drying, the second pressure-measurement, leak-testing and repairing are completed, and the pressure is maintained at 0.2 MPa for 24 hours for acceptance. When in use, the airbag structure of the blade can be opened and closed and the extension and contraction range can be adjusted by adjusting the inflation pressure.

[0023] Case 2: An airbag structure of a blade. The plastic nylon fiber composite cloth as described in claim 2 is used as the material. According to the laminating process and molding process as described in claim 5, two or more pieces of nylon fiber composite cloth are heated and pressed or ultrasonically pressed according to the set cavity shape and laminating route. The laminating route forms a closed loop, and a ventilation passage connected to the reserved hole of the valve is left. After completion, the valve is installed on the reserved hole of the cavity and the silicone adhesive is applied, and the above-mentioned cloth cavity is sealed with silicone adhesive as a whole. After drying, the air as described in claim 4 is filled with the air as described in claim 3 through the valve, and the pressure of the above-mentioned air is adjusted to 0.1~0.01 MPa as described in claim 4 to measure the pressure, leak, and repair the cavity in the shape of the blade. Then, the silicone adhesive is applied for a second time to seal and the pressure is measured to be leak-free, and the pressure is maintained at 0.2 MPa for 24 hours for acceptance. When in use, the airbag structure of the blade can be opened and closed and the extension and contraction range can be adjusted by adjusting the inflation pressure.

[0024] Case 3: An airbag structure of a blade. The composite cloth coated with plastic fiber and chemical products as described in claim 2 is used as the material. If a single layer of airbag cloth coated with silicone adhesive is used, two or more pieces of the airbag cloth are heated and pressed or ultrasonically pressed on the symmetrical surfaces without glue coating according to the pressing process described in claim 5, according to the set cavity shape and pressing route. The pressing route forms a closed loop, and a ventilation passage connected to the reserved hole of the valve is left. After completion, the valve is installed on the reserved hole of the cavity and the silicone adhesive is applied to seal it according to claim 6. After drying, the air described in claim 3 is filled through the valve according to claim 4, and the pressure of the air is adjusted to 0.1~0.01 MPa according to claim 4 to measure the pressure of the cavity in the shape of the blade, press and repair leaks. Then, after the second pressure test is leak-free, the pressure is maintained at 0.2 MPa for 24 hours for acceptance. When in use, the airbag structure of the blade can be opened and closed and the extension and contraction range can be adjusted by adjusting the inflation pressure.

[0025] Case 4: An airbag structure of a blade. The material is a plastic film, a single-layer film, a multi-layer film or a composite film as described in claim 2. Two or more films are pressed by heating or ultrasonic pressing according to the pressing process described in claim 5, according to the set cavity shape and pressing route. The pressing route forms a closed loop, and a ventilation passage connected to the reserved hole of the valve is left. After completion, the valve is installed on the reserved hole of the cavity as described in claim 6 and the silicone adhesive is applied to seal it. After drying, the air described in claim 3 is filled through the valve as described in claim 4, and the pressure of the above air is adjusted to 0.1~0.01 MPa as described in claim 4 to measure the pressure and leak of the cavity in the shape of the blade, and press and seal it. After a second pressure test without leakage, the pressure is maintained at 0.2 MPa for 24 hours for acceptance. When in use, the airbag structure of the blade can be opened and closed and the extension and contraction range can be adjusted by adjusting the inflation pressure.

[0026] Case 5: An airbag structure of a blade. The plastic sheet material described in claim 2 is used as the material. A transparent or non-transparent thin sheet material with a thickness of more than one millimeter is used. According to the mold forming process described in claim 5, two symmetrical blister sheet cavities are produced in the form of blister according to the set cavity mold. Then, according to the pressing process described in claim 5, the two symmetrical blister sheet cavities are sealed and pressed, and according to claim 6, the valve is installed through the reserved hole of the cavity through synchronous pressing and silicone adhesive is applied to seal. After drying, the air described in claim 3 is filled through the valve according to claim 4, and then the pressure of the above air is adjusted to 0.1~0.01 MPa according to claim 4 to measure the pressure and leak of the above blade-shaped cavity, and press and seal it. After the second pressure test is carried out without leakage, the pressure is maintained at 0.2 MPa for 24 hours for acceptance. When in use, the airbag structure of the above blade can be opened and closed and the extension and contraction range can be adjusted by adjusting the inflation pressure.

[0027] Case 6: A paddle airbag structure. The sheet of metal material described in claim 2 is used as the material. For example, thin sheets of aluminum alloy with a thickness of more than 0.2 mm and stainless steel with a thickness of more than 0.1 mm are used. According to the mold forming process described in claim 5, two symmetrical sheet cavities are produced by stamping and extrusion according to the set cavity mold. Then, the two symmetrical metal sheet cavities are sealed and edge-sealed according to the pressing process and welding process described in claim 5, and the valve is installed through the cavity reserved hole according to claim 6 and coated with silicone adhesive for sealing. After drying, the air described in claim 3 is filled through the valve according to claim 4, and the pressure of the above air is adjusted to 0.1~0.01 MPa according to claim 4 to measure the pressure and leak of the above paddle cavity, and weld and repair the leak. After the second pressure test is conducted without leakage, the pressure is maintained at 0.2 MPa for 24 hours for acceptance. When in use, the paddle airbag structure can be opened and closed and the extension and contraction range can be adjusted by adjusting the inflation pressure.

[0028] The above-mentioned implementation cases are only illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or change the above-mentioned embodiments without violating the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical ideas disclosed by the present invention should still be covered by the claims of the present invention.

Claims

1. The present invention provides an airbag structure for a blade, characterized in that: At the same time, a material cavity is used, gas is filled in the material cavity, and the pressure of the gas filled in the material cavity is adjusted to manufacture a structure for a blade.

2. The airbag structure of a blade according to claim 1, characterized in that The cavity materials used include: organic materials, inorganic materials, metal materials, composite fabrics, plastics, and mixed materials.

3. The airbag structure of a blade according to claim 1, characterized in that The gas filled in the cavity of the cavity material includes: a single gas, a mixed gas, air, carbon dioxide, oxygen, argon, nitrogen, ammonia, and chemical gas.

4. The airbag structure of a blade according to claim 1, characterized in that The pressure adjustment method of the gas filled in the cavity of the cavity material includes: using a single method, a mixed method, providing a power source to pump air, a manual pumping method, a physical method, a chemical reaction method, and a natural or unnatural thermal expansion and contraction method.

5. The cavity material according to claim 2, characterized in that The process of making the geometric cavity with the cavity material includes: using a single process, a mixed process, a welding process, a mold forming process, a pressing forming process, a weaving forming process, a sewing forming process, a coating and an impregnation process.

6. According to claims 1 to 5, it is characterized in that: The cavity of the airbag structure is connected to the air valve and is inflated and deflated through the air valve. The cavity has a through hole at a position corresponding to the air valve.

7. According to claims 1 to 6, it is characterized in that: The bladder body is configured for a paddle.