Phase change energy storage and damping bearing structure based on fusible alloy

Abstract

A fusible alloy-based phase change energy storage and damping bearing structure mainly comprises a push rod, a nut, a spring, an air cylinder body, a plug, fusible alloy, air, a piston, a nickel-chromium heating wire and a red copper coil. When the fusible alloy is heated by the nickel-chromium heating wire and is in a liquid state, the push rod moves in the air cylinder body, the spring is compressed to generate elastic force, air is compressed to generate gas elastic force, liquid damping force is generated between the liquid fusible alloy and the piston under the throttling action of the small holes, and the three forces can generate damping action; when the push rod is pushed into the air cylinder body, water cooling is conducted through the red copper coil pipe, the fusible alloy is solidified, the push rod can be fixed in the air cylinder body, at the moment, the elastic force generated by the spring and the gas elastic force generated by air compression are fixed, and the energy storage function is achieved through the structure.

Description

Technical Field

[0001] The invention patent belongs to the field of intelligent structures, and particularly relates to a phase change energy storage and damping bearing structure based on fusible alloys. Background Art

[0002] In today's era, modern industrial technology is experiencing an unprecedented wave of rapid development. In the process of continuous breakthroughs and innovations in many cutting-edge scientific and technological fields, efficient and sustainable energy storage and conversion technologies and high-performance damping systems have gradually become the core key factors to promote continuous progress in these fields.

[0003] In the field of aerospace, aircraft not only need to cope with huge energy consumption and conversion requirements during high-speed flight, complex orbit operation, and extreme environmental adaptation, but also need to maintain structural stability and reliability under various dynamic mechanical environments. For materials, they must have excellent energy storage capabilities to provide stable and sufficient energy support for key systems at specific times; at the same time, in the face of complex dynamic loads such as airflow impact and engine vibration, the dynamic response speed of the material must be fast enough to quickly adapt to and adjust the mechanical state, and the shock absorption and buffering performance is of utmost importance, which is directly related to the flight safety of the aircraft, equipment reliability, and personnel comfort.

[0004] The automotive engineering field is also facing severe challenges. As automobiles develop towards lightweight, high performance and intelligence, the efficient operation of the engine, the bump buffering during vehicle driving, and the stable energy supply of various electronic control systems have put forward new and higher requirements for the energy storage, dynamic response and shock absorption and buffering performance of materials. Advanced energy storage materials can optimize the energy management system of the vehicle and improve fuel efficiency or power utilization; while high-performance damping load-bearing structures can effectively reduce vibration and noise during vehicle driving, improve the driving experience, and ensure the service life and reliability of key vehicle components.

[0005] In the field of new energy, whether it is the collection and storage of renewable energy such as solar energy and wind energy, or the research and development and application of new battery technology, it is inseparable from efficient energy storage and conversion materials. At the same time, new energy equipment is often accompanied by various forms of energy fluctuations and mechanical vibrations during operation, such as the rotational vibration of wind turbine blades and the dynamic adjustment of solar tracking systems. This requires that the material has good energy storage capacity and can absorb and dissipate these vibration energies through effective damping bearing structures to ensure the efficient and stable operation of the entire new energy system.

[0006] In summary, in many key fields such as aerospace, automotive engineering and new energy, there is an urgent need for an innovative material or structure to meet the increasingly high standards for energy storage capacity, dynamic response speed and shock absorption and buffering performance. This also provides a broad background and strong driving force for the research and development and application of phase change energy storage and damping load-bearing structures based on fusible alloys. Summary of the invention

[0007] The purpose of the present invention is to provide a phase change energy storage and damping bearing structure based on fusible alloy. The structure can realize the energy storage function through the solid-liquid phase change of the fusible alloy through a reasonably designed structure, and when the fusible alloy is in a liquid state, an elastic force is generated by compressing the spring, a gas elastic force is generated by compressing the air, and a liquid damping force is generated by throttling the small hole, thereby realizing the damping function by generating these three forces.

[0008] To achieve the above object, the technical solution adopted by the present invention is:

[0009] A phase change energy storage and damping bearing structure based on fusible alloy, the main structure of which is composed of a push rod 1, a nut 2, a spring 3, a cylinder body 4, a plug I5, a fusible alloy 6, air 7, a piston 8, a nickel-chromium heating wire 9, a copper coil 10 and a plug II11.

[0010] One end of the spring 3 is pressed against the end of the cylinder body 4, and the other end is fixed by a nut 2, and the nut 2 and the push rod 1 are connected by threads; the fusible alloy 6 is injected into the cylinder body 4 in a liquid state, but not filled, leaving a certain amount of air 7, and is sealed by a plug I5 and a plug II11; two small holes are drilled on the piston 8; the nickel-chromium heating wire 9 and the copper coil 10 are wound around the surface of the cylinder body 4.

[0011] The working principle of the present invention is as follows:

[0012] The nickel-chromium heating wire 9 is energized to heat the cylinder body 4, so that the fusible alloy 6 is heated and melted into a liquid state. In this state, the push rod 1 can be pushed into the cylinder body 4, the spring 3 is compressed to generate elastic force, the air 7 is compressed to generate gas elastic force, and the liquid fusible alloy 6 and the piston 8 generate liquid damping force due to the throttling effect of the small hole. These three forces will produce damping effect; when the push rod 1 withdraws from the cylinder body 4, the liquid fusible alloy 6 and the piston 8 will also generate liquid damping force due to the throttling effect of the small hole. Therefore, when the fusible alloy 6 is in a liquid state, the movement of the push rod 1 will produce a damping effect.

[0013] When the push rod 1 is pushed into the cylinder body when the fusible alloy 6 is in liquid state, the nickel-chromium heating wire 9 is no longer energized, and the copper coil 10 is used for water cooling to change the fusible alloy 6 from liquid to solid state, so that the push rod 1 can be fixed in the cylinder body 4. At this time, the elastic force generated by the spring 3 and the gas elastic force generated by the compression of the air 7 are fixed, which is equivalent to storing a part of the energy; when the fusible alloy 6 is melted again, the push rod 1 will withdraw from the cylinder body 4 under the action of the elastic force generated by the spring 3 and the gas elastic force generated by the compression of the air 7. This part of the energy can be released again, and the structure realizes the energy storage function.

[0014] The advantages of the present invention are:

[0015] 1. The energy storage function of the structure is realized through the solid-liquid phase change of the fusible alloy. The storage and release of energy can be repeated many times, and when the energy is stored, the fusible alloy is in a high stiffness state and the storage is stable.

[0016] 2. The damping bearing function of the structure is realized through the liquid fusible alloy and the small hole throttling principle. The density of the fusible alloy is relatively large and can generate a large liquid damping force.

[0017] 3. The device has a simple structure, is easy to operate, and has a relatively low overall cost, which meets the needs well. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 Overall structure diagram

[0019] Among them: 1. Push rod 2. Nut 3. Spring 4. Cylinder body 5. Plug I 6. Fusible alloy 7. Air 8. Piston 9. Ni-Cr heating wire 10. Copper coil 11. Plug II Specific implementation methods

[0020] The present invention is further described below in conjunction with the accompanying drawings:

[0021] like Figure 1 As shown, a phase change energy storage and damping bearing structure based on fusible alloy is mainly composed of a push rod 1, a nut 2, a spring 3, a cylinder body 4, a plug I5, a fusible alloy 6, air 7, a piston 8, a nickel-chromium heating wire 9, a copper coil 10, and a plug II11.

[0022] like Figure 1 As shown, one end of the spring 3 is pressed against the end of the cylinder body 4, and the other end is fixed by a nut 2, and the nut 2 and the push rod 1 are connected by threads; the fusible alloy 6 is injected into the cylinder body 4 in a liquid state, but not filled, leaving a certain amount of air 7, and is sealed by a plug I5 and a plug II11; two small holes are drilled on the piston 8; the nickel-chromium heating wire 9 and the copper coil 10 are wound around the surface of the cylinder body 4.

Claims

1. A phase change energy storage and damping bearing structure based on fusible alloy, the main structure of which is composed of a push rod (1), a nut (2), a spring (3), a cylinder body (4), a plug I (5), a fusible alloy (6), air (7), a piston (8), a nickel-chromium heating wire (9), a copper coil (10) and a plug II (11), wherein one end of the spring (3) is pressed against the end of the cylinder body (4), and the other end is fixed by a nut (2), and the nut (2) and the push rod (1) are connected by threads; the fusible alloy (6) is injected into the cylinder body (4) in a liquid state, but is not filled up, and a certain amount of air (7) is left, and is sealed by the plug I (5) and the plug II (11); two small holes are drilled on the piston (8); the nickel-chromium heating wire (9) and the copper coil (10) are wound around the surface of the cylinder body (4).

2. The device according to claim 1, characterized in that: When the fusible alloy (6) is in liquid state, in this state, the push rod (1) can be pushed into the cylinder body (4), the spring (3) is compressed to generate elastic force, the air (7) is compressed to generate gas elastic force, and the liquid damping force is generated between the liquid fusible alloy (6) and the piston (8) due to the throttling effect of the small hole. These three forces will produce a damping effect. When the push rod (1) exits the cylinder body (4), the liquid damping force is also generated between the liquid fusible alloy (6) and the piston (8) due to the throttling effect of the small hole. When the push rod (1) is in The fusible alloy (6) is pushed into the cylinder body when it is in a liquid state. At this time, the fusible alloy (6) is water-cooled to change from a liquid state to a solid state, so that the push rod (1) can be fixed in the cylinder body (4). At this time, the elastic force generated by the spring (3) and the gas elastic force generated by the compressed air (7) are fixed. When the fusible alloy (6) melts again, these forces will be released, and the structure will realize the energy storage function. In summary, the energy storage function and damping load-bearing function of the structure can be realized through the solid-liquid phase change of the fusible alloy (6).

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