Device for converting fluid kinetic energy into mechanical energy and multiple application schemes thereof

Abstract

The invention relates to a device for converting fluid kinetic energy into mechanical energy, provides a novel solution, optimizes and designs a plurality of derivative application schemes and functional parts which are close to those of practical products according to the working principle of the device, and summarizes some types and characteristics of composition layout and operation modes of the device. The fluid kinetic energy mainly comprises wind energy and water energy in the general environment, and the device can convert the fluid kinetic energy into mechanical energy for power generation or other purposes. According to the vertical shaft device, the stressed blades can automatically turn over, so that the moment of force of the central rotating shaft in the stressed semi-circumference and the non-stressed semi-circumference is unbalanced in the operation process, and the rotating shaft is pushed to rotate to obtain mechanical energy; the blades are arranged in a horizontal transverse manner and a vertical vertical manner, and even can be combined into a combined manner; three linkage structures are developed and designed through the transverse arrangement of the three linkage structures; a retractable type, a telescopic type and the like are designed to be applied to different environments; the method has unique advantages in certain environments and application conditions, and has a wide prospect.

Description

Technical Field

[0001] The present invention relates to a device for converting fluid kinetic energy into mechanical energy, which is a vertical axis conversion device, including two basic principle schemes, horizontal and vertical, and several scheme implementation schemes and their overall and local application functional components; fluid kinetic energy in the natural environment we usually come into contact with mainly includes wind energy and water energy, and the device converts it into mechanical energy for power generation or other purposes. Background Art

[0002] The statements in this section merely provide background information related to the present invention and do not necessarily constitute prior art. Summary of the invention

[0003] At present, the global energy demand continues to grow, and there is a desire to get rid of dependence on fossil energy, and there is an urgent need to develop and utilize renewable energy. Green and clean energy such as wind energy and hydropower have always been the first choice for convenient energy acquisition. For example, in ancient times, China used water wheels and Europe used windmills. Today, whether it is large-scale conversion and utilization or daily needs of people in remote areas, it has irreplaceable advantages and conveniences, so solutions for converting fluid kinetic energy into mechanical energy devices are emerging in an endless stream.

[0004] Taking wind power generation devices as an example, most of them adopt horizontal axis or vertical axis design. Although these designs have realized the conversion and utilization of wind energy to a large extent, there are still some shortcomings; for example, horizontal axis wind turbines need to be adjusted in the face of wind direction, which leads to complex system structure, high installation cost and maintenance difficulty, which is not conducive to flexible use, and the environmental noise is large, which can easily harm birds; and vertical axis wind turbines do not need to adjust the wind direction, but most of them have complex structures, and generate negative torque during rotation, resulting in low efficiency, and poor starting performance in low wind speed environments, difficulty in speed control and insufficient output stability, etc.; most hydropower generation devices require water enclosure and dam construction, which involves approval from various functional departments such as land and environment, and are difficult to use flexibly, difficult to miniaturize, and cannot adapt well to environmental requirements.

[0005] For various reasons, this technical field urgently needs a fluid kinetic energy conversion device with simple and reliable structure, stable operation, convenience and environmental protection, easy maintenance, low dependence on environmental conditions, and excellent energy conversion efficiency.

[0006] In order to overcome the deficiencies of the above-mentioned prior art, the present invention proposes a device for converting fluid kinetic energy into mechanical energy, including but not limited to the utilization of wind energy and water energy; after the fluid kinetic energy is converted into mechanical energy, it can drive the power generation equipment to generate electricity through the transmission and control system, and can also drive the energy storage equipment or other application equipment through the transmission device, such as directly driving the propeller to drive the ship to sail after the wind energy is converted; the principle of this device is simple and reliable, and based on this principle, derivative products that can be flexibly applied to various conditions and scenarios can be developed, and various auxiliary function modules can be added to make it reliable, convenient, efficient and stable and suitable for flexible and wide applications.

[0007] In order to achieve the above object, the present invention provides the following technical solutions: A vertical axis conversion device, see Figure 1 , including horizontal blade arrangement (see above) and vertical blade arrangement (see below). The parallel arrow array indicates the direction of fluid kinetic energy (wind direction or water flow direction, etc.). It can also be assembled and combined appropriately according to the specific application environment, or even combined into a composite type, see Figure 4 The basic principle of this device is simple and easy to use, and non-industry technicians can easily master it. For specific application products, the size and form of each component can be adjusted according to factors such as environmental conditions, and various auxiliary functions and systems can be added to achieve the best conversion efficiency.

[0008] As a preference, the blades are arranged transversely ( Figure 2 ) and vertical arrangement of blades ( Figure 3 ) In these two schemes, the main force-bearing blades can be freely turned over on the rod shaft connected to the central rotating shaft. When subjected to the kinetic energy of the fluid (wind energy or water energy, etc.) in any direction, the horizontal circumference of the rotating shaft is divided into two 180° semicircular surfaces according to the direction of the fluid, one semicircular surface is the working surface, and the other semicircular surface is the transition surface; when the force-bearing blades rotate from one semicircular surface to another semicircular surface, they can turn over by themselves under the action of the fluid, and the turning angle range depends on the fixed blocking body, which is set on the central rotating shaft or the structural component connected from the rotating shaft. The self-turning angle of the horizontal arrangement scheme is 90°, see Figure 2 , the vertical arrangement has a self-flip angle of 180°, see Figure 3 That is, when rotating to the working surface, the blades naturally unfold to accept the thrust of the kinetic energy of the fluid and rotate in the same direction; when rotating to the transition surface, the plane of the blades can remain parallel to the direction of the force under the action of the fluid, and in the same structure, the blades at other angles accept the thrust of the kinetic energy of the fluid and keep rotating around the central axis. Relying on the characteristics of the blades as lightweight and high-strength thin sheets, a small resistance is maintained on the transition surface, which causes an unbalanced torque on the central axis on the two semicircular surfaces, thereby driving the central axis to rotate and obtaining mechanical energy. The rotation of the shaft can drive application equipment such as power generation.

[0009] As a preferred method, various scheme implementation examples close to actual application products are optimized and designed according to this basic principle and application conditions; the number of functional blades with the same circumference is appropriately increased. For example, the most basic principle diagram has two blades opposite to each other at 180°, which can be increased to 3, 4 or more (see Figure 6 The following figure, Figure 7 ), it can be made to run continuously at a constant speed under the action of fluid in any direction; it can also be arranged in staggered layers, see Figure 8 , Fig.11 , Fig.13 , Fig.15 Etc.; according to its motion characteristics, a buffer shock absorbing device is provided to reduce the violent collision between the blade block and the blocking body in a strong kinetic energy environment, thereby reducing vibration and noise, and weakening its damage to the structure, see Fig.12 The following figure shows an enlarged detail, in which an elastic buffer and an elastic contactor are provided, an elastic rubber pad is installed between the contact surfaces, and magnets with the same polarities facing each other are installed on the back of the contact surface of the rubber pad, so that it is difficult to cause actual collision due to the repulsion of the same poles; the rotating shaft that outputs mechanical energy should also be arranged in pairs of coaxial reverse rotation as much as possible, such as Figure 7 and Fig.13 , in order to maintain moment balance and improve structural durability; these auxiliary functional components should be reasonably installed and arranged as needed in all embodiments and practical application products of the present invention.

[0010] As a preferred embodiment, according to different application environment requirements, a retractable and portable device is designed, such as Figure 8 , suitable for all kinds of people to use in the wild; enlarging and adjusting the size of its components can be expanded to a vehicle-mounted type (removing the bottom external bracket), and can be widely used in various new energy electric vehicles and electric vehicles. An automatic telescopic retractable device should be used here, which can be extended from the top with a built-in fixed type, or in the form of an external accessory at the rear of the vehicle, so that it can serve as a partial source of electricity, or solve the endurance problem in remote areas. It is specially stated here that the actual application product should be equipped with a human body sensing alarm and automatic braking device to avoid accidental injury to others; Fig.14 and Fig.15 The embodiment of the scheme also has a retrieval function, and it can be used as a ship-mounted type, which can be understood as replacing the sails on the sailboat with this device. The array outputs a larger power in groups, and can directly drive the propeller through the transmission system. The excess energy can be stored in the energy storage device or generated after the propeller is electrically driven. In this way, the ship can travel unimpeded in any wind direction. It is very suitable for cruise ships, fishing boats, etc. that have no time requirements, or it can save transportation costs for some ships. The automatic retrieval device can be used to automatically control it, and it can be folded up when not in use or in strong storm weather to avoid damage to the structure and interference with the stability of the ship.

[0011] As a preferred embodiment, in the blade transverse arrangement scheme, since the two blades as opposite sides can be turned over in the same direction at the same time, three linkage modes are designed. The first one is coaxial linkage, see Fig.11 , the second type: external frame linkage (or other forms of external structure), see Fig.12 , the third type: gear linkage (or chain or other methods), see Fig.15 ; In the embodiment of the vertical arrangement of the blades, the design is optimized, and the connection between the blades and the crossbar is set to a slotted structure, see Figure 6 , the narrow surface of the blade in the figure below is partially protruding and rectified, which can increase the moment length and protect the structure; in the water energy conversion embodiment, combined with the characteristics of large water flow energy, slow flow rate and stable operation, the blades are designed to be short and thick, and arranged in pairs coaxially and reversely up and down. The upper blade is equipped with a counterweight on the narrow surface, so that the wide surface of the blade can naturally face upwards, which is inverted compared with the ordinary standard mode. Figure 7 This is conducive to the installation of a spherical net protection frame, and then covering it with a layer of fishing net can reduce the entanglement of foreign objects, aquatic plants and other debris, prevent injury to fish, protect structures, etc.

[0012] As a preferred option, various other auxiliary functional components can also be developed and designed according to the application situation; relying on the support of modern increasingly mature and well-functioning intelligent technology, its specific application products can appropriately set environmental detection devices and intelligent control technologies, and in some application products, automatic retraction and extension technology should be adopted; for example, in wind power generation, wind direction, wind speed and wind pressure sensors are set, and intelligent control technology can be used according to wind environment data to automatically adjust the intensity of buffers and shock absorbers, as well as the output power of the entire system operation transmission device, so that it can operate smoothly in strong winds, weak winds and other various changeable weather conditions to achieve optimal efficiency.

[0013] In one or more of the above technical solutions, the present invention has the following beneficial effects: 1. The present invention is a vertical axis conversion device, which has the characteristics of being able to utilize the kinetic energy of fluid in any direction, and its basic working principle is that it can automatically complete the entire operation cycle in a simple and reliable structural form. This process does not require the addition of other auxiliary function systems to cooperate, thereby reducing the complexity of the structure, and it has low requirements on materials, equipment, etc., thereby reducing investment and maintenance costs; 2. Different from most other vertical axis conversion devices, the present invention utilizes fluid kinetic energy to cause the blades to flip themselves, so the resistance formed by its non-working surface is small, the negative torque generated is small, the output efficiency and stability are greatly enhanced, and low-speed starting is also easier; 3. The present invention is based on a simple and easy-to-understand basic principle, and can conveniently develop and design a variety of derivative application products and embodiments suitable for different environmental conditions; including horizontal and transverse blade arrangement and vertical blade arrangement, which can be applied to, including but not limited to, the conversion and utilization of wind energy and water energy, and can also utilize other fluid kinetic energy; it can be arranged on a large scale or individually set up for use by people in remote areas; three types of linkage devices are developed in the form of horizontal and transverse blade arrangement, including coaxial linkage, external frame linkage (or other forms of external structure), gear linkage (or other forms such as chain), etc., which greatly enhances its stability and reliability; the water energy conversion device can be applied to rivers or offshore to generate electricity using tides, and can be arranged individually or in groups on the bottom of the water as a foundation, or can be inverted on offshore drilling platforms, etc., to generate electricity using ocean currents; in short, it has a wide range of uses and types, and each has corresponding characteristics and advantages; 4. What is particularly unique is that, based on the basic principle of horizontally arranging blades, it is easy to develop application embodiments with foldable blades. Field workers and tourists can use portable ones, electric vehicles and electric cars can use automatic telescopic retractable ones, and ships can also use foldable devices instead of sails for sailing, which is difficult to achieve with other vertical axis conversion solutions; 5. Various additional devices and functional components are applied in several embodiments of the present invention, such as linkage devices, buffers, shock absorbers, etc., which can greatly reduce the negative impact and power loss in operation, enhance stability, reduce the pressure of operation and maintenance, and improve the durability of the structural system; 6. Nowadays, intelligent technology and automatic control technology are developing rapidly, and their investment and maintenance costs are greatly reduced. They can rely on the data obtained by advanced sensors to intelligently and accurately control various auxiliary functions. For the product embodiments of the present invention, these intelligent control auxiliary equipment can be conveniently and easily added to further improve efficiency, enhance stability, and minimize adverse effects.

[0014] Advantages of additional aspects of the present invention will be given in part in the following description, and in part will become obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings in the specification, which constitute a part of the present invention, are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations on the present invention.

[0016] Figure 1 It is a comprehensive schematic diagram of the basic principle of the present invention, the upper figure shows the horizontal arrangement of the blades, and the lower figure shows the vertical arrangement of the blades; Figure 2 It is a schematic diagram of the basic principle of horizontal transverse arrangement of blades of the present invention; Figure 3 It is a schematic diagram of the basic principle of vertical arrangement of blades of the present invention; Figure 4 It is a basic principle diagram of a composite type with mixed horizontal and vertical blade arrangements; Figure 5 Based on Figure 2 Schematic diagram of an optimized application solution for wind energy conversion; Figure 6 Based on Figure 3 Schematic diagram of an optimized application solution for wind energy conversion; Figure 7 Based on Figure 2 Schematic diagram and combined Figure 5 The scheme is applicable to the implementation scheme of optimized application scheme for water energy conversion; Figure 8 The present invention is based on Figure 2 Schematic diagram of a portable, retractable, vehicle-mounted, or ship-mounted (without the bottom external bracket) wind energy utilization (power generation, etc.) application solution implementation example; Fig. 9 for Figure 8 Schematic diagram of the internal opening, closing and telescopic state of the scheme; Fig.10 for Figure 8 Schematic diagram of the scheme's internal and blade working states; Fig.11 Based on Figure 5 The first application scheme embodiment of the scheme extension design having a linkage device (coaxial linkage); Fig.12 The present invention is based on Figure 5 The second application scheme embodiment and partial enlarged diagram of the scheme extension design with a linkage device (external frame linkage or other external structure); Fig.13 for Fig.12 Schematic diagram of the overall application combination; Fig.14 Based on Fig.12 The extended design of the blade foldable application scheme, and its various state example diagrams and partial enlarged diagrams; Fig.15 Based on Figure 8 The third type of extended design of the scheme has a linkage device (gear linkage) and can be folded and retracted, and the internal structure diagram of the application scheme; Fig.16 for Fig.15 The state relationship diagram and partial enlarged diagram of the blade shaft and gear when the blade is in the unfolded working state and the internal structure and outer shell are removed; Fig.17 for Fig.15 State relationship diagram of the blade shaft and gear when the blades are folded and stowed in a non-working state, and the internal structure, outer shell and blades are removed.

[0017] Description of reference numerals: Figure 2 Middle: 01, central axis column; 03, blocking block; 04, blade; 05, connecting shaft; 06, central structure; 07, blade shaft; Figure 3 Middle: 01, central axis column; 02, rotation axis; 04, blade; 05, connecting axis; 07, rod axis and blade axis; 041, blade rotates to the beginning of the upwind side; 042, blade rotates to the end of the upwind side; 043, blade rotates to the beginning of the downwind side; 044, blade rotates to the end of the downwind side; Figure 4 Center: 01, central axis column; 02, rotating axis; 03, blocking block; Figure 5 Middle: 11, central axis column; 12, rotating axis; 13, blocking block; 14, blade; 18, blade hand stop; Figure 6 Middle: 21, central axis column; 22, rotating axis; 24, blade; 27, rod shaft; 29, rubber pad; 210, environmental detector; 211, blade slot shaping protrusion; 226, rod shaft slot; Figure 7 Middle: 31, central axis column; 32, rotating axis; 33, blocking block; 34, blade; 38, blade stopper; 310, environmental detector; 341, blade counterweight; Figure 8 Middle: 44, blade; 410, environmental detector; 412, blade bin housing; 413, outer sleeve; Fig. 9 Middle: 410, environmental detector; 412, blade bin housing; 413, outer sleeve; 414, blade clamp shaft; 415, cross transmission shaft; 416, application unit; 427, rotary bearing; Fig.10 Middle: 48, blade stopper; 414, blade clamping shaft; 422, blade outer sleeve shaft; 423, blade bin inner structure; 4143, lower clamping shaft blade stopper; Fig.11 Middle: 51, central shaft column; 53, blocking block; 54, blade; 510, environmental detector; 513, shaft column outer sleeve; Fig.12 Middle: 61, central shaft column; 62, rotating shaft; 64, blade; 69, rubber pad; 617, linkage frame; 618, shock-absorbing contactor; 619, guide rail pulley; 620, buffer; 691, rubber pad back-embedded magnet; Fig.13 Middle: 61, central axis column; 62, rotation axis; 610, environmental detector; Fig.14 Middle: 71, central axis column; 72, rotating axis; 74, blade; 78, blade hand stop; 721, hand stop lock; Fig.15 Middle: 81, central axis column; 84, blades; 812, blade bin shell; 823, blade bin internal structure; Fig.16 Middle: 84, blade; 88, rod shaft stopper; 89, rubber pad; 822, blade shaft sleeve shaft; 824, sector gear; 825, center gear; Fig.17 Middle: 87, blade shaft; 88, rod shaft stopper; 89, rubber pad; 822, blade shaft sleeve shaft; 824, fan gear; 825, center gear. DETAILED DESCRIPTION

[0018] The exemplary embodiments will be described in detail here, and examples thereof are shown in the accompanying drawings; when the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements; the embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application; on the contrary, they are merely examples of devices or methods consistent with some aspects of the present application as detailed in the appended claims.

[0019] It is specially noted here that most of the structural components in the embodiments of the present invention are actually conceptual expressions. The components and devices in the drawings are mainly schematic, and their specific forms, shapes and sizes are not improperly limited, and are intended to ultimately achieve the application effect; Fig.12 In the figure, a metal coil is used to represent the elastic buffer 620, a simple metal shape is used to represent the shock-absorbing contactor 618, a colored circle is drawn on the back of the rubber pad 69 to represent the rubber pad back-embedded magnet 691, and so on; these structural components are easy for relevant technical personnel to implement, and can be combined with intelligent control technology to remotely control their action intensity according to environmental conditions and adjust the output power to improve operating efficiency.

[0020] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0021] Figure 1It is a comprehensive schematic diagram of the basic principle of the present invention, the upper figure shows the horizontal arrangement of the blades, and the lower figure shows the vertical arrangement of the blades; Figure 2 The schematic diagram is a basic principle diagram of the horizontal transverse arrangement of blades of the present invention, wherein the upper figure is facing the direction of fluid kinetic energy, and the lower figure is a back view; the central shaft column 01 is fixedly connected to the central structure 06, and the structure is provided with a fixed blocking block 03 and a blade shaft 07, and the blade shaft 07 is connected to the force-bearing blade 04 through a freely rotatable connecting shaft 05, so that the blade 04 can rotate freely within the range of 90° between the horizontal and vertical blocking blocks 03 provided in the central structure 06, and the opposite blades (or those with other angles) are all rotated in the same structure As can be seen from the figure, taking wind energy conversion as an example, when the blades rotate to the downwind semicircle, they naturally droop, and under the pressure of wind force and the obstruction of vertical blocking block 03, the blade shaft 07 is pushed to rotate backward; in the headwind semicircle, the blades 04 are blown up by the wind, and under the action of horizontal blocking block 03 and wind force, the blade plane is in a horizontal running state, relying on the characteristics of the blades as light and high-strength thin sheets, they produce less resistance and run against the wind, so that the entire shaft rotates due to the imbalance of torque, completing the conversion of wind kinetic energy; the same is true for the conversion of water power and other fluid kinetic energy.

[0022] Figure 3 The figure is a schematic diagram of the basic principle of the vertical arrangement of blades of the present invention, wherein the upper figure is a back view thereof facing the fluid kinetic energy; the lower figure is a diagram of a multi-blade combination capable of continuous operation; wherein the central shaft column 01 is covered with a rotatable rotating shaft 02, on which a transverse rod shaft and a blade shaft 07 are fixedly arranged, and then the vertical rod shaft and the blade shaft 07 are connected, and the vertical blade 04 is installed with this vertical rod as the blade shaft, and a rotatable connecting bearing 05 is connected to the narrow side of the plane of the vertically arranged blade 04, dividing the plane of the vertical blade 04 into a narrow side and a wide side; so that the blade 04 can be turned over at will on the vertical rod shaft and the blade shaft 07, and is hindered by the transverse rod shaft and the blade shaft 07, and its self-turning range is 180°, and the blades opposite to it (or with other angles) are all rotated by the same structure; as can be seen from the figure, Taking wind energy conversion as an example, when rotating on the downwind working surface, at the starting position 043, the blades are acted upon by the wind and blocked by the cross bar, pushing the cross bar backwards. When the blades rotate to the end position 044, the blades are more easily lifted up by the wind and flipped over by themselves. However, after the blades quickly flipped 180°, their narrow surfaces were still blocked by the cross bar, causing the blades to still be pushed backwards by the wind. When the blades rotate to the headwind surface, no matter at the starting position 041 or the ending position 042, they are acted upon by the wind, and the blade plane naturally remains parallel to the wind direction, with the narrow surface in front and the wide surface in the back. Therefore, the blades produce less resistance and run against the wind, so that the entire rotating shaft 02 rotates due to the imbalance of torque, and then drives the application equipment through the transmission device to complete the kinetic energy conversion. This process is also applicable to the conversion and utilization of hydropower and other fluids.

[0023] Figure 4 This is a schematic diagram of the basic principle of the composite type with the blades arranged horizontally and vertically. In the figure, a rotating shaft 02 is also set outside the central shaft column 01, and a fixed horizontal rod shaft is set on the rotating shaft and connected to the vertical rod shaft. The vertical blades are connected to the vertical rod shaft. Figure 3 As shown; however, the transverse rod axis is also installed as Figure 2 The blades are arranged horizontally and laterally as shown, and a stopper 03 of an appropriate form is provided; these two blade arrangements can work together to form a process of causing the rotating shaft 02 to rotate and complete the kinetic energy conversion, so they are called a composite type.

[0024] Figure 5 Based on Figure 2 Schematic diagram of an optimized application scheme for wind energy conversion; a central shaft column 11 is covered with a rotatable shaft 12, a fixed transverse blade shaft is set on the rotating shaft, and a blade 14 with a specially optimized design and shape is sleeved on the blade shaft and can rotate freely, and a rotating bearing is installed inside, and the blade shaft and the bearing are not visible from the outside; the inner end of the blade is lengthened to form a stopper 18, and the stopper 18 is blocked by the horizontal and vertical blocks 13 installed on the rotating shaft 12, and can only be freely flipped within the angle range between them, so that it can be turned according to Figure 2 The principle of operation is rotation, and the functions of each component are strengthened and stabilized.

[0025] Figure 6 Based on Figure 3 Schematic diagram of an optimized application scheme for wind energy conversion; in the above figure, a central shaft column 21 is covered with a rotatable rotating shaft 22, and a transverse rod shaft 27 is fixed thereon, and then connected to the vertical blade shaft, and the blade 24 with a specially optimized design wraps the vertical blade shaft inside, and a rod shaft slot 226 is designed at the intersection position to receive the transverse rod shaft 27, see the enlarged view in the middle (shown in the circle), the rod shaft 27 and the rod shaft slot 226 self-flip during operation and collide at the end, and rubber pads 29 are installed at the contact points to reduce vibration and noise (buffers, shock absorbers, etc. can be appropriately installed for specific application products), thereby, it can be arranged according to Figure 3 The principle of operation and rotation is achieved, and the functions of each component are strengthened and stabilized; the figure below shows its omnidirectional blades, which can enable it to continue to operate in any wind direction. An environmental detector 210 is set on the top of the central axis for intelligent control technology. The rod shaft slot is extended on the narrow side to the same length as the wide side, which can increase the force torque on the narrow side of the blade, protect the structure, and enhance stability. A blade slot shaping protrusion 211 is set at the corresponding position of the blade to reinforce it and evenly load it.

[0026] Figure 7 Based on Figure 2Schematic diagram, combined with Figure 5 The scheme is suitable for the optimized application scheme embodiment of water energy conversion; the central shaft column 31 stands on the bottom structure foundation, the outer sleeve rotating shaft 32 can rotate around the central shaft column 31, and the rotating shaft 32 is provided with a fixed transverse blade shaft, which is the same as Figure 5 The optimized design of the scheme is similar to that of the scheme. Combining the running characteristics of large water flow energy, slow flow rate and stability, the blade 34 is designed to be short and thick. The blade 34 can be freely rotated when it is mounted on the blade shaft. The blade stopper 38 is blocked by the horizontal and vertical blocking blocks 33 and can only flip freely within the angle range between them. As mentioned above, the collision contact point can be equipped with buffers, shock absorbers, rubber pads and other shock-absorbing and noise-reducing measures to complete the water energy conversion process. An environmental detector 310 can be set on the top of the central axis column 31 to apply intelligent control technology. The figure completes its full-angle blades, and they are arranged in pairs of coaxial inversion up and down. The upper blade is equipped with a blade counterweight 341 on the narrow side, so that the wide side of the blade can naturally face upward. Compared with the ordinary standard form, it is inverted upside down, which is conducive to the installation of a spherical protective net frame. Covering it with a layer of fishing net can reduce the entanglement of foreign objects and debris such as water plants, and can also prevent fish from being injured, protect structures, etc. It can also be inverted on an offshore drilling platform, etc., to generate electricity using ocean currents.

[0027] Figure 8 The present invention is based on Figure 2 The schematic diagram shows a portable, vehicle-mounted, ship-mounted (without the bottom outer bracket) wind energy utilization (power generation, etc.) application scheme embodiment; the top of the device is an environmental detector 410, the upper blades 44 can be folded and stored in the blade bin shell 412, and the shell is provided with an openable door at the position associated with the blades; the lower outer structure is an outer sleeve 413, and the upper blades 44 can be retracted downward into the outer sleeve 413 as a whole after being folded, as shown in FIG. Fig. 9 ; Fig. 9 for Figure 8The schematic diagram of the internal opening and closing and telescopic state of the scheme is shown in the figure. It can be seen from the figure that the blades can be folded and retracted by opening the door of the blade bin housing 412, and the upper pair of blades are folded downward, and the lower pair of blades are folded upward; when the blades are opened, they are supported by two blade clamping shafts 414 that can rotate independently, and there are L-shaped notches on them to clamp the roots of the blades (the same structure is also provided on the 180° opposite side to clamp the opposite blades at the same time). When the blades are folded and the bin door is closed, the functional part of the blades can be retracted downward as a whole, and finally to the bottom, until the upper environmental detector 410 is completely immersed, see the left figure; in the left and right figures, the outer copper sleeve 413 is shown in a state of cutting off half of the circumference; on the right As shown in the figure, when the upper blade functional part is pulled upward to the top, its base is just stuck in a circular rotating bearing 427 (the bearing is shown in the figure with 1 / 4 of the circumference cut off), and a proper lock is set to lock it, which can ensure that the upper blade functional part can rotate smoothly; the center of the upper blade functional part has a space to accommodate the lower cross transmission shaft 415, and its rotation process can transmit the rotational mechanical energy to the bottom application unit 416 through the cross transmission shaft 415. The application part is mastered by technicians in the industry, such as a speed regulating device, a generator, a battery pack and a power output socket, etc. Of course, these lower conduction and application devices can have methods different from those in this embodiment; Fig.10 for Figure 8 Schematic diagram of the interior of the scheme and various working states of the blades; it can be seen from the figure that the space occupied by the blades when they are vertically folded is divided in the blade compartment structure 423 inside the shell, and the blade root structure is flush with the blade clamping shaft 414; the blade shaft is T-shaped and fixed inside, and the blade is sleeved on its extended long axis and can be freely flipped. When the blade is unfolded and is in working state, in the lower blade part, there is a lower clamping shaft blade stopper 4143 fixed on the inner ring surface of the blade clamping shaft 414 at this position, which can rotate with this clamping shaft, see the upper left figure, and the blade clamping shaft 414 is temporarily not shown in the upper right figure for observation purposes, and only the lower clamping shaft blade stopper 4143 is retained at this time. It can be understood that the blade stopper 48 is constrained by the horizontal lower clamping shaft blade stopper 4143 and the vertical stopper in the slotted space of the lower blade compartment structure 423, which can be completed. Figure 2The blades are arranged horizontally and laterally according to the basic principle. A rotating bearing, namely, the blade outer sleeve shaft 422, is arranged between the blade stopper 48 and the short handle at the root of the blade and just at the position of the blade clamping shaft 414. The blade is clamped by the blade clamping shaft 414, which is convenient for fixing and rotating the blade. In the lower left figure, the blade clamping shaft 414 rotates to the notch position. At this time, the lower clamping shaft blade stopper 4143 inside it also rotates to the corner, and the blade can be retracted and folded upward. The blade stopper 48 is also avoided by the lower clamping shaft blade stopper 4143 and can be folded smoothly. However, there is no need to set a blade stopper on the blade clamping shaft 414 of the upper blade part, as shown in the lower right figure. A horizontal stopper can be directly installed on the upper part of the internal structure 423, while the lower vertical stopper needs to avoid the blade handle folded downward, and the upper blade stopper 48 needs a little more joint. Back to Figure 8 , we can understand its working principle, unfold the bracket under the outer sleeve 413, and its flat long leg end can be pressed with a heavy stone to pull out the internal blade functional part, and open the door of the blade bin shell 412 to unfold the blade 44 and clamp it with the blade clamp shaft 414. The upper environmental detector 410 can transmit wind data to the intelligent control system to adjust the strength of the internal buffer and shock absorbing device to adjust the output power of the generator, and reverse the operation when it is folded; this embodiment can also be applied to electric vehicles, electric vehicles and other fields, remove the lower external bracket, adjust the size, shape and form of each component, and can be extended from the top of the car in an internal fixed manner, or in the form of an external accessory at the rear of the car, which can serve as a partial power source, or solve the endurance problem in remote areas. An automatic telescopic retractable device should be used here, and it can also be applied to a ship-mounted type to replace the sail as a sailing power source (or one of them). This folding form can also be equipped with other additional functional modules, as described later Fig.15 The gear linkage system described; if the actual application product of this embodiment intersects with the range of human activity during operation, it is advisable to appropriately set a human body sensing alarm and automatic braking device to avoid accidental injury to others by the rotation of the blades.

[0028] Fig.11 Based on Figure 5 The first application scheme embodiment with a linkage device (coaxial linkage) of the scheme extension design; Figure 5In the embodiment of the scheme, because the blade facing the wind direction is directly subjected to the thrust of wind energy on one side (working semicircle) and is pushed up to the horizontal side (transition semicircle) by the wind, the two blades can maintain this relative 90° angle state for a long time, even if they turn to the other side, except that the position is reversed, so they can be fixed in this state by a linkage device; the first one is the present embodiment, in which the blade 54 is fixed on the blade shaft at a 90° angle with the same blade on the opposite side, and the blade shaft passes through the central shaft column 51, and only the blade shaft can rotate therein, and then a blocking block 53 suitable for this is set at the corresponding part of the central shaft column 51, and the top of the blocking block 53 is an environmental detector 510, so that the movement of the blade 54 eventually drives the central shaft column 51 to rotate, and is transmitted to the bottom of the central shaft column 51, driving the application equipment, and then one or more sets of blade devices with the same function are added at other angles in a staggered manner to maintain continuous operation, and the lower part needs to be supported and fixed by the shaft column outer sleeve 513 and the bracket.

[0029] Fig.12 The present invention is based on Figure 5 The second application scheme with linkage device (external frame linkage or other external structure) of the extended design is an embodiment and partial enlarged view; the upper figure is its general structure, the central shaft column 61 is covered with the rotating shaft 62, and the middle part of the rotating shaft 62 is provided with a blade shaft, and the blade 64 is covered on the blade shaft and can rotate freely, but its rotation is restricted by the more complex frame structure in the middle; the lower figure is its partial enlarged view - the external frame linkage system, as can be seen from the figure, the central shaft column 61 is covered with the rotating shaft 62, and the blade shaft is fixed on the rotating shaft 62. When the blade rotates on the blade shaft, the original hand-blocking position of the blade root and a linkage frame 617 are fixed together, and together with the opposite blades, they are respectively fixed on the end brackets which are slightly wider than 90° to each other, so that the brackets operate the two opposite blades to be fixed at a 90° angle and rotate together, and the arc part of the linkage frame 617 is guided by the guide pulley 619 fixed on the rotating shaft 62 to rotate and maintain stability; a shock absorbing contactor 618 is respectively arranged at the middle position of the two ends of the linkage frame 617, and this shock absorbing contactor 618 will have a hard collision with the rotating shaft 62 in the middle with the rotation of the linkage frame 617 and the blades, and the collision contact surfaces are mutually provided with rubber pads 69 (black sheets in the figure), and the process is equivalent to Figure 5The effect achieved by the collision between the blade stopper 18 and the blocking block 13 in the scheme is to complete the kinetic energy conversion process; in order to prevent violent collisions in strong winds, generate vibrations and noise and damage the structure, a buffer 620 can be set, which is represented by an elastic metal coil in this embodiment, one end of which is fixed to the rotating shaft 62, and the other end is fixed to the linkage frame 617 which is integrated with the blade; in order to further reduce the collision, magnets with the same poles facing each other can be arranged in pairs on the back of the mutual contact surface of the rubber pad 69 (see the enlarged view of the rubber pad in the middle circle, in which the yellow circle is the rubber pad back-embedded magnet 691), which makes it difficult to cause actual collision due to the repulsion of the same poles; in this figure , the shapes of the buffer 620, the shock absorbing contactor 618 and the rubber pad back-embedded magnet 691 are all schematic diagrams, that is, the actual application products need to be designed and manufactured by the technical personnel in the industry; the elastic strength of the buffer and the shock absorber and the electromagnetic magnetic field strength of the rubber pad back-embedded magnet 691 can also be adjusted according to the environmental wind data by intelligent control technology to adapt to different environments of strong and weak winds and achieve the best output efficiency. It is specially noted here that various actual application products and embodiments designed and manufactured based on the basic principles of the present invention are suitable for using this method, that is, using intelligent control technology to adjust the strength of the buffer, shock absorber, electromagnetic shock absorber, etc. provided therein to adapt to different environmental stress conditions; Fig.13 for Fig.12 Schematic diagram of the overall application combination, in addition to the single pair of blades in the previous figure, one pair (or several pairs) are added at different angles and arranged on the same rotating shaft 62, so that it can continue to rotate at a uniform speed. At the same time, another set of the same device rotating in the opposite direction is added in a nearby position (it can also be arranged in pairs). They rotate together around the central axis column 61, which can balance the torque of the central axis column 61 and improve durability. An environmental detector 610 can be set at the top.

[0030] Fig.14 Based on Fig.12 The extended design of the blade foldable application scheme, and its various state examples and partial enlarged diagrams; Fig.12The scheme is the same, the central shaft column 71 is covered with a rotating shaft 72, and a blade shaft is fixed on the rotating shaft 72. There are blades 74 rotating around the blade shaft, and in the middle is its linkage frame device, see the upper left figure; the upper right figure is a partial enlarged view of the middle linkage frame part. It can be seen from the figure that the linkage frame is not directly connected to the blade. There is a rotatable annular bearing sleeved on the root of the blade shaft at the root of the frame, and there is a rotatable joint not far from the blade shaft, which can make the outer end of the blade shaft fold upward 90°, see the lower left figure, the blade is sleeved on the blade shaft and can rotate freely, and there is a blade stopper 78 at the root of the blade. When the blade shaft is straightened and fixed, the blade is in the working state. The blade stopper 78 can be just caught by a stopper lock 721 set on one corner of the widened linkage frame, so that its rotation is constrained by the linkage frame, and the opposite blade is just fixed at the other corner, so that they are 90° to each other, which is also the result of its rotation of 180°. At this point, it is completed Fig.12 The scheme operates as follows: when folding is required, the blade lock 721 on the linkage frame is opened to release the blade stopper 78, and then the blades are folded upwards, as shown in the lower right figure. This scheme can be applied to a fixed shaft column, and when it is not needed or encounters strong storm weather, it can be folded and stored to avoid structural damage; of course, the embodiment of this scheme is only a schematic diagram of the principle, and an automatic folding and storage device should be added. In addition, since the blades take up space when folded upwards, the distance between the vertically adjacent units is farther, and the blades need to be made shorter.

[0031] Fig.15 Based on Figure 8 The third embodiment and internal structure diagram of the extended design of the scheme has a linkage device (gear linkage) and can be folded and retracted; it is and Figure 8 The cylindrical structure similar to the folding and retracting device of the embodiment of the scheme, various devices inside it can rotate freely around the central axis column 81 running through the center as a whole, and after being pushed by the wind, it drives the application equipment or generates electricity through the transmission device; the upper left picture shows that the blades 84 are folded and retracted in the bin, and there is an openable door on the blade bin shell 812. The upper right picture shows the blades in the working state of unfolding. The blade bin shell 812 in the lower left and lower right pictures is not displayed, and its internal space structure can be clearly seen; it can be seen from the figure, and Figure 8 The scheme is similar, a corresponding space is marked out in the blade bin internal structure 823, the upper pair of blades 84 are folded downward, and the lower pair of blades 84 are folded upward. When unfolded, it can be seen that the opposite blades have some gear devices inside the blade bin internal structure 823 to cause them to have a linkage effect; Fig.16 for Fig.15The state relationship diagram and partial enlarged diagram of the blade shaft and gear when the blade is in the unfolded working state, and the internal structure and the outer shell are removed. The upper part is the upper blade working state diagram, and the lower part is the lower blade working state diagram; it is particularly noted that the embodiment of the scheme of the horizontal arrangement of all blades of the present invention has only Fig.11 The present scheme is that the blade and the blade shaft are fixed together, and the blade shaft is rotated to produce the effect. In other schemes, the blade shaft is fixed to the rotating shaft, and the blade is sleeved on the blade shaft and rotates by itself. In this scheme, there are three rotatable bearings on the blade shaft, and the two at the end and near the gear set are fixed inside, that is, at Fig.15 In the structure 823 inside the middle blade bin, the blade shaft and the blade 84 can rotate freely in the two rotating bearings; immediately outside the two rotating bearings is a fan-shaped gear 824 that is slightly larger than 1 / 4 of the circumference. The fan-shaped gear is because it is known that the blade is only limited to rotate 90°, and not using a full-circle gear can avoid extending into the adjacent bin, reducing the occupied space; the fan-shaped gear 824 transmits the same direction and frequency rotation with the same blade functional group on the opposite side through the middle circular center gear 825; both sides are equal in size, and the center is Fig.15 The central shaft column 81 (not shown here) is located, that is, each blade shaft is arranged parallel to the blade shaft opposite to it on both sides of the central shaft column 81, and the front and rear sets of gears are kept rotating at the same frequency, that is, a linkage effect is achieved. A fixed rod shaft stopper 88 is installed outside the fan-shaped gears on both sides to rotate with them. They mark out space in the structure 823 in the blade bin, and rubber pads 89 are arranged up and down and left and right to reduce shock, which eventually leads to Figure 2 The basic principle of operation of the horizontal transverse arrangement of the blades is shown in Fig.15 Lower right picture; each blade shaft is a rotatable joint near the gear, which can complete the folding of the blade into the blade bin or the reverse unfolding. A little further outside is a blade shaft sleeve shaft 822. When the blade is unfolded and in working condition, the blade shaft sleeve shaft 822 is just stuck by the door of the outer blade bin jacket 812. The jacket door and the frame near the door can be made into corresponding shapes to clamp the blade shaft sleeve shaft 822, which is conducive to the smooth rotation of the blade shaft inside it, see the left picture (upper blade group) and the right picture (lower blade group) in the middle circle; when the blade is not in working condition, if it is to be put into the blade bin, the central gear 825 of each group of gears needs to be separated from the gear group to which it belongs, so that the two relative blade shafts can have an angle of folding upward at the same time, see Fig.17 , Fig.17 for Fig.15When the blades are folded and put away from the working state, and the state relationship diagram of the blade shaft and gears is removed, the central gear 825 is retracted inwards in the figure, and is out of engagement with the two adjacent sector gears 824. To successfully complete this process, the contour edge of the gear engagement needs to be slightly beveled, so that the central gear 825 can be engaged with the adjacent sector gears as needed; the figure also shows that the lever shaft stopper 88 and the sector gear 824 are in Fig.16 The relative position of the rubber pad 89 is different, and the blade shaft 87 with the blade shaft sleeve shaft 822 is in a vertically folded state, and the blade is not displayed at this time. Fig.15 Lower left picture; As described above, this solution embodiment can be applied to scenarios where it can be folded up when it is not needed, such as being used to propel ships to sail, replacing sails, converting wind energy into mechanical energy to drive propellers, and folding and stowing the blades when not sailing and in strong storms to avoid structural damage and interference with ship stability. This embodiment is a basic operating principle solution, and actual application products should add an automatic retraction and release system, as well as other additional application modules and intelligent control systems, etc.

[0032] The specific embodiments of the present invention are described in detail above, but they are only examples, and the present invention is not limited to the specific embodiments described above; for those skilled in the art, any equivalent modifications and substitutions made to the invention are also within the scope of the present invention; therefore, equivalent changes and modifications made without departing from the spirit and scope of the present invention should be included in the scope of the present invention.

[0033] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention; therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view; the scope of the present invention is defined by the appended claims rather than the above description, and therefore it is intended that all changes within the meaning and scope of the equivalent elements of the claims are included in the present invention; any figure mark in the claims should not be regarded as limiting the claims involved.

[0034] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A device for converting fluid kinetic energy into mechanical energy, wherein: This is a vertical axis conversion device that can be applied to wind energy, water energy and other fluids with kinetic energy, which can be used to generate electricity or other applications; Its basic working principle is that the load-bearing blades connected to and arranged around the central rotating shaft can turn over by themselves during the rotation transition between the working semicircle and the non-working semicircle. The turning process does not require the help of other auxiliary function systems, but relies on the thrust of the fluid kinetic energy itself (wind power or water power, etc.) and a fixed structure connected to the central rotating shaft as a constraint and barrier, and limits its self-turning within a certain angle range; As a result, in the working semicircle, the blades are constrained by the fluid and the fixed structure to expand and accept the thrust of the fluid kinetic energy. In the non-working semicircle, because the blades are usually made of sheet-like lightweight and high-strength material, the blade plane is acted upon by the fluid force to remain parallel to its direction and has less resistance. In addition, in the same structure, blades at other angles accept the thrust of the fluid kinetic energy and keep rotating around the central axis. Therefore, the central axis rotates due to the imbalance of torque, thereby obtaining mechanical energy to drive the application equipment. A device for converting fluid kinetic energy into mechanical energy, wherein this is a vertical axis conversion device, which can be applied to wind energy, water energy and other fluids with kinetic energy, and can be used for power generation or other applications; Its basic working principle is that the load-bearing blades connected to and arranged around the central rotating shaft can turn over by themselves during the rotation transition between the working semicircle and the non-working semicircle. The turning process does not require the help of other auxiliary function systems, but relies on the thrust of the fluid kinetic energy itself (wind power or water power, etc.) and a fixed structure connected to the central rotating shaft as a constraint and barrier, and limits its self-turning within a certain angle range; As a result, in the working semicircle, the blades are constrained by the fluid and the fixed structure to expand and accept the thrust of the fluid kinetic energy. In the non-working semicircle, because the blades are usually made of sheet-like lightweight and high-strength material, the blade plane is acted upon by the fluid force to remain parallel to its direction and has less resistance. In addition, in the same structure, blades at other angles accept the thrust of the fluid kinetic energy and keep rotating around the central axis. Therefore, the central axis rotates due to the imbalance of torque, thereby obtaining mechanical energy to drive the application equipment.

2. According to the conversion device of claim 1, a device with a horizontal transverse arrangement of the force-bearing blades is derived, wherein: The basic working principle is that the blades are arranged horizontally on one side of the central rotating shaft, and the axis of the blades that can flip themselves is in a horizontal state (or has some deviation angle) and is perpendicular to the vertically arranged central rotating shaft (or has some deviation angle); When the force-bearing blades are doing work in a semicircle, the fixed structure connected to the central shaft blocks them in the vertical direction, so that the blade plane is vertically unfolded and keeps receiving the thrust of the fluid kinetic energy. When rotating to the non-working half-circle, the blade plane maintains its direction parallel and has less resistance due to the thrust of fluid kinetic energy, that is, it runs parallel to the horizontal plane (or has some deviation angle). The fixed structure on the central shaft also prevents it from over-turning, and always controls its self-turning angle within a certain range (the self-turning angle of the blade lateral arrangement scheme is usually 90° in theory, that is, between vertical and horizontal). At the same time, in the same structure, blades with other angles receive the thrust of fluid kinetic energy and keep rotating around the central shaft. At this point, the central shaft rotates due to the unbalanced torque, thereby obtaining mechanical energy to drive the application equipment.

3. According to the conversion device of claim 1, a device with a vertical arrangement of the force-bearing blades is derived, wherein: Its basic working principle is that the blades are arranged vertically on one side of the central rotating shaft, and the axis that can flip itself is in a vertical state (or has some deviation angle), parallel to the vertically arranged central rotating shaft (or has some deviation angle), and this axis is located on one side of the vertically arranged blade plane, that is, the axis divides the vertical blade plane into a narrow surface and a wide surface. The self-flipping angle of the vertical arrangement of the blades is usually 180° in theory (with the central axis column as a reference); When the stressed blade performs a semicircle of work, the fixed structure connected to the central shaft can interfere with the self-flipping effect of the blade. Except for the initial and final stages, during most of the process, the blade is blocked by the fixed structure on its narrow or wide side, resulting in the blade plane being able to passively unfold due to the fluid thrust and maintaining a certain angle or perpendicularity with the direction of the fluid kinetic energy. Even if the blade flips itself, it cannot form a stable state in which the blade plane is parallel to the direction of the fluid kinetic energy, which keeps it receiving the fluid kinetic energy thrust. When rotating in the non-working half-circle, the blade plane always remains parallel to its direction and has less resistance due to the thrust of the fluid kinetic energy, that is, the narrow surface is in front and the wide surface is in the back. At the same time, the blades at other angles in the same structure receive the thrust of the fluid kinetic energy and keep rotating around the central axis. At this point, the central shaft rotates due to the unbalanced torque, thereby obtaining mechanical energy to drive the application equipment.

4. According to the device schemes of claim 2 and claim 3, a device with a composite scheme of blades arranged horizontally and vertically is derived, wherein: Its basic working principle is that, in the same structure, it includes both the horizontal arrangement of blades as described in claim 2 and the vertical arrangement of blades as described in claim 3, that is, they are arranged in the same structural system through combination, array, etc., and they jointly complete the process of causing the central shaft to rotate, so it is a composite type.

5. According to the scheme device of claim 3, several types of auxiliary functional components and design forms are derived and optimized to be fully or partially adopted in actual application products to improve efficiency, enhance stability, etc., wherein: The central shaft is connected to the self-rotating inner shaft of the blade through a plurality of cross bars. The blade is provided with a slot for supporting the cross bar shaft at the connection, so that when the blade flips to the limit, the slot can withstand the impact with the cross bar. The impact-related parts can be provided with a buffer and shock-absorbing device, such as a rubber pad; The slot on the narrow side of the blade can be appropriately extended to increase the torque, and the area around the extended blade can be appropriately protruded, shaped and reinforced to make the force evenly distributed.

6. According to the scheme device of claim 2, several types of auxiliary functional components and design forms are derived and optimized so as to be fully or partially adopted in actual application products to improve efficiency, enhance stability, etc., wherein: The ends of the transversely arranged blades close to the central rotating shaft can be partially enlarged to form a stopper, and the fixed structure connected to the central rotating shaft and limiting and blocking the rotation of the blades can be made into a blocking body, and the stopper collides with the blocking body and is restricted from rotating; The blade axis or its extension line around the blade may not intersect with the axis of the central rotating shaft, that is, the blade axis is arranged on the side of the central rotating shaft. If there happens to be the same blade on the opposite side, the two blade axes are parallel to each other and clamp the central rotating shaft at the center of the bisector; In certain scenarios and application products, the device for the transverse arrangement of blades may fully or partially adopt an inverted form compared to the ordinary standard form, that is, a counterweight is set on the narrow side of the blade so that the wide side of the blade naturally faces upward, which is exactly a mirror image of the normal naturally drooping form of the wide side of the blade.

7. According to the conversion device of claim 1, several types of auxiliary functional components are derived and optimized to be fully or partially adopted in practical application products to improve efficiency, enhance stability, improve durability, etc., wherein: The blades are constrained and blocked by a fixed structure connected to the central shaft during the self-flipping process, and the blocking process is bound to cause collision. Therefore, a buffer can be set to slow down the collision, and a shock absorber can be set to reduce the collision intensity. A rubber pad can be set between the collision contact surfaces to reduce shock. It is also possible to place magnets with the same polarity facing each other on the back of the collision contact surface, so that it is difficult to cause actual collision due to the repulsion of the same polarity; Environmental detectors and other devices can be installed at appropriate positions (such as the top) of the actual application product. For example, in wind power generation, wind force, wind direction, and wind pressure sensors can be installed. In combination with today's increasingly mature and complete intelligent control technology, the elastic strength of the buffers and shock absorbers installed in the above devices can be adjusted. The back-embedded magnets on the collision contact surface mentioned above can also be set as electrically controlled magnets to adjust the electromagnetic field strength. In this way, under different weather conditions such as strong winds and weak winds, the above components can be adjusted in real time through the full cycle of blade rotation, and their output power can be adjusted in coordination, thereby reducing vibration and noise, reducing damage to the structure, and improving efficiency and stability.

8. According to the scheme device of claim 2, for the paired blades arranged at 180° on the central shaft and rotating around the same center, three linkage systems are derived and optimized and designed, which can be fully or partially adopted in actual application products to enhance the system stability and facilitate coordinated control of its operation process to adapt to various adverse conditions and achieve smooth operation, among which: The first type: coaxial linkage, which means that a group of lateral blades in opposite directions are fixedly connected together through a blade shaft with the central shaft as the axis, and the angle between the two blade planes is 90° (or approximately), that is, the blade-blade shaft-the other blade opposite is a fixed structure connected together, and the blade shaft passes through the central shaft horizontally, and can rotate freely in this horizontal shaft hole until the outer blades are constrained and blocked by a fixed structure, so as to complete the operating principle of the device of the second scheme of claim; The second type: external frame linkage (or other forms of external structure), refers to setting a linkage frame that can rotate freely around the device at the root of the blade shaft on both sides of the same axis on the central shaft, and this frame is fixedly connected to the blades on the same side on their respective sides, and the angle between the two opposite blades is 90° (or approximately). At this time, the blade-linkage frame-the other blade opposite is a fixed structure connected together, so that it will take the blade shaft as the axis and has a free flip angle of 90° (or approximately). It is especially suitable to set a collision contact surface directly with the central shaft at the end position of each side of the frame close to the blade, so that the contact surfaces on both sides are allowed to rotate at an angle of 90° (or approximately); The third type: gear linkage (or other methods such as chain), which is similar to the above two methods, is to complete the synchronous rotation of the two relative blades by the meshing transmission between gears (or to achieve it with chains and other transmission devices). Similarly, the angle between the two blades is maintained at 90° (or approximately), and then the required operation process is completed through the constraint and obstruction of the fixed structure. This method is more suitable for the layout scheme of setting the two relative blade axes in parallel and equally divided on both sides of the central rotating shaft.

9. According to the scheme device of claim 2, a device is derived and optimized to design a foldable and retractable blade device so that the blades can be folded and unfolded as needed, wherein: The open folding and retracting method can be adopted, that is, a joint that can move up and down is set at the position near the central axis of the blade shaft root, so that the outer part can be folded upward together with the blade. Of course, it is necessary to set a reasonable fixing method and appropriately adjust the size of each component to adapt to each application process; It can also be a closed type, that is, a number of vertical spaces for accommodating blades are opened in the cylindrical space, which are used to place the horizontal blades when folded, and the blade form and storage space size are designed appropriately. The storage bin can also be provided with a closable door; when the blades are unfolded and run, the entire cylinder is driven, and the mechanical energy converted by the entire rotating cylinder is used to drive the application equipment, such as power generation, etc. Since the blades can be folded into a regular shape - a cylinder, the entire cylinder can also be retracted into another outer shell. In addition, a transmission device, a speed control device and an application unit (such as a generator, a battery and a power output interface, etc.) can be installed in the outer shell. In this way, small-sized portable devices such as those for outdoor use, and larger-sized devices such as vehicle-mounted and ship-mounted devices can be made.

10. According to the folding device of claim 9, several types of auxiliary functional components are derived and optimized to be fully or partially adopted in practical application products to improve efficiency, enhance stability and reliability, etc., wherein: For the closed type, four vertical spaces are divided on the outer layer of the cylinder, each occupying 1 / 4 of the circumference. The two spaces are arranged in a staggered manner, and the lower pair of blades are folded upwards and the upper pair of blades are folded downwards. This is beneficial to saving the vertical space of the cylinder, which is especially beneficial for devices with more combinations and arrays. For the case where the blade is sleeved on the blade shaft to generate free flipping, a clamping shaft that can rotate on the surface of the cylinder is set at the horizontal position of the blade folding, and an L-shaped notch is set at the position where the blade can be unfolded and folded upward, so that it can be formed: the blade cross handle is unfolded and placed in the vertical section of the notch, and the clamping shaft is rotated to make the blade cross handle sink into the horizontal section of the notch, thereby clamping the root of the blade, so that it cannot be folded up and down, so that it can operate stably; the vertical notch of the clamping shaft at the lower blade folded upward is opened upward, and the vertical notch of the clamping shaft at the upper blade folded downward is opened downward; a similar notch is also opened on the opposite side of the clamping shaft notch at 180° relative to the central axis column, so that it has the same effect relative to the blade; A bearing is placed on the contact part between the card shaft and the blade cross handle to make it run smoothly; A stopper can be provided on the inner ring wall of the lower blade clamping shaft to block the lower blade stopper horizontally, that is, when the clamping shaft is clamped, this horizontal stopper can just move forward a certain position, so that it can block the stopper at the end of the blade handle in the horizontal direction. The vertical stopper can be provided in the internal structure to solve the problem, and when the clamping shaft rotates to open the notch, this horizontal stopper also moves to the back side, so that the stopper is not blocked when the blade is folded upward. The upper blade folded downward does not need to be provided with a horizontal stopper on the inner ring wall of the clamping shaft, and can be solved in the space of the internal structure. Because its lower stopper needs to avoid the blade handle folded downward, the upper blade stopper needs to have an extra joint; For the case where the blade shaft and the blade are fixedly connected, the blade shaft can be inserted into the interior of the cylinder and can rotate therein. For example, a pair of opposing blades have their blade shafts parallel and evenly distributed on both sides of the central rotating shaft. A folding joint is set on the blade shaft at the vertical space opening. The shaft can be fixed without clamping the shaft here. The door of the cylindrical shell storage bin can be used to clamp the root of the blade shaft, and some protruding shaping can be done on the edges of the adjacent door and door frame to reinforce its function. A bearing is also placed on the blade shaft here, and the protruding edges of the door and door frame just hold the bearing firmly. The stopper can be installed on the rotating blade shaft part inside the cylinder, and the corresponding space can be divided to provide blocking constraints.

11. According to the linkage system of claim 8 and the folding device of claim 9, several types of auxiliary functional components are derived and optimized to be fully or partially adopted in practical application products to improve efficiency, enhance stability and reliability, etc., wherein: The open folding device described in claim 9 can be used in the second linkage system described in claim 8: external frame linkage (or other forms of external structure). First, the connection between the blade and the linkage frame is disconnected. The blade stopper is made into a special form. There is a joint that can be folded upward at the root of the inner side of the blade shaft. When the blade is unfolded downward, the blade shaft is fixed, and the blade stopper can be fixed by the buckle opened at the corresponding part of the linkage frame to temporarily form a whole. Of course, the opposite blade is also locked at the required angle to complete the required operation function, and the size and proportion of each component are adjusted to make the combination run smoothly; The folding device described in claim 9 can be used in the third linkage system described in claim 8: gear linkage (or other methods such as chains). If a closed folding system is used, the blade shafts on the same layer that are opposite to each other can be arranged on both sides of the central axis column in a parallel state, and a pair of gears are arranged on both sides of the blade shaft relative to the central axis column, and a gear is arranged in the middle to transmit rotation. These three gears are meshed with each other; if it is necessary to avoid adjacent vertical spaces, the gears on the blade shaft are preferably made into a fan shape slightly larger than 90°, that is, unnecessary redundant parts are removed, because these gears will only be restricted to rotate 90°, and the middle gear can remain intact; The middle gear also needs to be able to engage and disengage with the fan gears on the two adjacent blade shafts, because only after disengagement can the blades on both sides have a common upward folding angle. For this reason, all gears are slightly beveled on their engaging edges to facilitate the implementation of this action. Then, suitable blocks are installed on each blade shaft, and corresponding space is divided to undertake the blocking function, thereby completing the operation function of this scheme.

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