Rotary power generation device
By designing horizontal rotating components and counterweights to increase the moment of inertia, the problems of inertia loss and vibration in traditional rotary generators are solved, improving energy utilization efficiency and structural durability, and achieving stable output and short-term energy storage.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 邹善劳
- Filing Date
- 2025-07-17
- Publication Date
- 2026-08-04
AI Technical Summary
Traditional rotary generators suffer from problems such as loss of rotational inertia due to gravity, vibration caused by poor counterweights, and insufficient energy storage due to limited wheel radius, which affect energy utilization efficiency and structural durability.
The design incorporates horizontal rotating components and counterweights to increase rotational inertia, reduce energy loss and wear on the shaft caused by gravity, and balance torque variations and stabilize rotational speed through the first and second inertial turntables, thereby improving power generation efficiency.
It improves energy efficiency, enhances the durability and output stability of the mechanism, and achieves short-term energy storage and delayed energy supply effects.
Smart Images

Figure CN224596298U_ABST
Abstract
Description
[Technical Field]
[0001] This invention provides a rotary power generation device that can improve energy utilization efficiency, output stability, and structural durability. [Background Technology]
[0002] In the current context of prioritizing environmental protection and energy efficiency, green energy generation has become a significant trend in technological development. While common green energy sources such as solar, wind, and hydropower possess renewable characteristics, they are still limited in terms of stable output and continuous power generation due to constraints such as climate conditions, site requirements, and energy storage technologies. Therefore, rotary electromagnetic generators, due to their mature technology and stable characteristics, remain the mainstream power generation mechanism used in most applications.
[0003] Rotary generators primarily generate electricity by inputting rotational energy to drive internal coils or magnets to rotate. Based on this fundamental nature of power generation, rotational inertia becomes a crucial parameter for improving efficiency. For example, during a vehicle's descent downhill, even without additional energy input, the generator can continue to be driven by the inertia of the axles; similarly, a flywheel system, even after reaching a certain speed and ceasing to supply power, can still continue to rotate and generate electricity due to its inertia, thereby improving energy utilization.
[0004] Traditional inertia devices, such as wheels or flywheels, still face several limitations in practical power generation applications. Firstly, these devices are often vertically mounted, with their rotation axis horizontal. During rotation, they must constantly overcome torque losses caused by their own weight, leading to decreased drive energy efficiency and wear on bearings over time. To address these issues, some solutions have adopted a horizontal placement with a vertical shaft, resulting in more even weight distribution and reduced interference with rotation. However, in this case, the centrifugal force of the flywheel acts entirely on the horizontal plane. Uneven weight distribution can cause significant vibration and instability, requiring precise balancing and high-quality bearings or magnetic levitation systems for control. Furthermore, if the flywheel size is limited, its energy storage capacity will also decrease. According to the formula, where the moment of inertia (taking a disk as an example) is..., we can know... Mass storage is of key importance If the wheel radius is insufficient, it will be difficult to effectively accumulate kinetic energy even if the rotational speed is increased.
[0005] How to solve the aforementioned problems and shortcomings of conventional methods, and design a mechanism that can utilize a large moment of inertia for energy storage and release, while overcoming the limitations of gravity and structural volume, and converting inertial energy into a more efficient source of power generation, is the direction that the applicant of this utility model and related manufacturers in this industry urgently want to research and improve. [Utility Model Content]
[0006] In view of the above-mentioned deficiencies, the applicant of this utility model collected relevant information, conducted multiple evaluations and considerations, and, based on years of experience accumulated in this industry, designed this utility model patent for a rotary power generation device that can improve energy utilization efficiency, output stability, and structural durability through continuous trial and modification.
[0007] The main purpose of this invention is to increase the moment of inertia by using the design of the horizontal rotating component and the counterweight assembly, and to reduce the energy loss caused by gravity and the wear on the shaft, thereby improving energy utilization efficiency and the durability of the mechanism.
[0008] Another major objective of this invention is to balance torque variation and stabilize rotational speed by utilizing the design of the first and second inertial turntables, thereby indirectly improving power generation efficiency.
[0009] To achieve the above objectives, the structure of this utility model includes: a power supply device, a drive device, a drive wheel, a first transmission member, an inertial rotation member, at least one counterweight assembly, a second transmission member, a power generation device, a power generation wheel, at least one power output section, a first inertial turntable, and a second inertial turntable. The drive device is electrically connected to the power supply device. The drive wheel is pivotally mounted on the output shaft of the drive device. The first transmission member is mounted on the drive wheel. The inertial rotation member is located on one side of the drive device and includes a horizontal rotation member, a first rotation section, and a second rotation section coaxially arranged. The first rotation section is driven by the first transmission member. The counterweight assembly is respectively located on the periphery of the horizontal rotation member. The second transmission member is pivotally mounted on the second rotation section. The power generation device is located on one side of the inertial rotation member. The power generation wheel is pivotally mounted on the input shaft of the power generation device and driven by the second transmission member. The power output section is located on the power generation device. The first inertial turntable is located on the output shaft, and the second inertial turntable is located on the input shaft.
[0010] When a user uses this invention to generate electricity, the power supply device first powers on the drive device, causing the generator wheel on its output shaft to rotate, which in turn drives the large inertial rotating component to accelerate. Because the horizontal rotating component has symmetrical counterweights around its periphery, it can quickly accumulate rotational inertia and maintain stable motion. The horizontal rotating component also has a first rotating part and a second rotating part coaxially. The first rotating part is connected to the drive wheel to transmit power, while the second rotating part is connected to the generator wheel through the second transmission component. This ensures that the horizontal rotating component rotates synchronously, simultaneously driving the generator to generate electricity. Finally, the generated electricity is transmitted to the drive device or the user device through the power output part. The shaft ends of the drive device and the generator also have a first inertial turntable and a second inertial turntable, which can absorb or release some kinetic energy during startup and load changes, making the system operate more smoothly and stably. Once the horizontal rotating component reaches the set speed, the power supply device can be shut off. It continues to operate due to its inertia and continues to drive the power generation device to generate electricity. During this process, the drive device no longer consumes electricity, but can still output electricity, achieving the effect of short-term energy storage and delayed energy supply. It is suitable for application scenarios such as peak shaving and valley filling or intermittent drive.
[0011] By employing the aforementioned technologies, breakthroughs can be made in addressing the problems of rotational inertia loss due to gravity, vibration caused by poor counterweight, and insufficient energy storage due to limited wheel radius in rotary electromagnetic generators, thereby achieving the aforementioned advantages. [Attached Image Description]
[0012] Figure 1 This is a perspective view of the first preferred embodiment of the present invention. Figure 2 This is an exploded view of the first preferred embodiment of the present invention. Figure 3 This is a schematic diagram illustrating the startup process of the first preferred embodiment of this utility model. Figure 4 This is a schematic diagram of delayed power supply according to the first preferred embodiment of the present invention. Figure 5 This is a perspective view of the second preferred embodiment of the present invention. Figure 6 This is a perspective view of the third preferred embodiment of the present invention. Figure 7 This is a flowchart of the action block of the third preferred embodiment of the present invention. Symbol Explanation Power supply device...1 Drive unit...2 Output shaft...21 Drive wheels...22 First inertial turntable...23 First counterweight section...231 First transmission component...31 Second transmission component...32 Inertial rotating parts...4 Horizontal rotating component...41 Fixing part...411 First rotating part...42 Second rotating part...43 Central axis...44 Stable structure...45 Reinforced column...451 Reinforced plate...452 Counterweight components...5 Power generation unit...6 Input shaft...61 Power output section...62 Generator wheel...63 Second inertial turntable...64 Second counterweight...641 Electrical appliances...7 Torque control device...81 Speed detector...82 Overload protection components...83 omnidirectional casters...A
Detailed Implementation Methods
[0013] To achieve the above objectives and effects, the technical means and structure adopted by this utility model are described in detail below with reference to the preferred embodiment of this utility model, so as to facilitate a complete understanding.
[0014] Please see Figure 1 and Figure 2 The figures shown are perspective views and exploded views of the first preferred embodiment of the present invention. It can be clearly seen from the figures that the present invention includes:
[0015] A power supply device 1;
[0016] A drive device 2 is electrically connected to the power supply device 1 and is supplied with starting power by the power supply device 1;
[0017] A drive wheel 22 is pivotally mounted on the output shaft 21 of the drive device 2;
[0018] A first transmission component 31 is disposed on the drive wheel 22;
[0019] An inertial rotating component 4 is disposed on one side of the driving device 2 and includes a horizontal rotating component 41, a first rotating part 42, and a second rotating part 43 coaxially arranged with each other. The first rotating part 42 is driven by the first transmission component 31.
[0020] At least one counterweight component 5 is disposed on the periphery of the horizontal rotating member 41;
[0021] A second transmission component 32 is pivotally mounted on the second rotating part 43;
[0022] A power generation device 6 is located on one side of the inertial rotating component 4;
[0023] A generator wheel 63 is pivotally mounted on the input shaft 61 of the generator device 6, and the generator wheel 63 is driven by the second transmission member 32.
[0024] At least one power output unit 62 is provided on the power generation device 6 and electrically connected to the drive device 2 or a power consumption device 7;
[0025] A first inertial turntable 23 is disposed on the output shaft 21 to share the output torque of the drive device 2 by means of its rotational inertia; and
[0026] A second inertial turntable 64 is disposed on the input shaft 61 to extend the operating time of the power generation device 6 by means of its rotational inertia.
[0027] Preferably, the diameter of the drive wheel 22 is smaller than the diameter of the first rotating part 42, and the diameter of the second rotating part 43 is larger than the diameter of the generator wheel 63. This part relates to the changes in torque and rotational speed. Two circles connected by a circumference must have the same circumferential speed. Therefore, the larger the diameter of the circle, the slower the rotational speed, and the smaller the diameter of the circle, the faster the rotational speed. Since the diameter of the drive wheel 22 is smaller than the diameter of the first rotating part 42, the diameter of the first rotating part 42, which is the output end, is larger, and the rotational speed of the first rotating part 42 will decrease. However, the torque will increase due to the shortened torque, which is beneficial for the drive device 2 to drive the inertial rotating part 4. Conversely, since the diameter of the second rotating part 43 is larger than the diameter of the generator wheel 63, the diameter of the generator wheel 63, which is the output end, is smaller, and the rotational speed of the generator wheel 63 will increase, which is beneficial for the generator device 6 to generate more electricity.
[0028] The power supply device 1 is AC mains power or a battery; this embodiment uses AC mains power as an example. The drive device 2 is a motor. The first transmission component 31 and the second transmission component 32 are one of a belt, chain, or gear. The drive wheel 22, the first rotating part 42, the second rotating part 43, and the generator wheel 63 are one of a pulley, chain, or gear; this embodiment uses a belt and pulley as examples, with a V-belt being preferred. The inertial rotating component 4 is a rotatable structure with its weight evenly distributed throughout, including a vertically arranged central shaft 44. The horizontal rotating component 41, the first rotating part 42, and the second rotating part 43 are all pivotally mounted on the central shaft 44. The horizontal rotating component 41 can be made of metal, stone, or wood, and can be a solid or annular disc or cylinder; this embodiment uses an annular disc. Taking a stone structure as an example, the weight can be concentrated on the circumference to increase torque. Preferably, a stable structure 45 is attached to the central shaft 44, consisting of a plurality of reinforcing columns 451 located on the outside of the horizontal rotating member 41, and two reinforcing plates 452 connecting each reinforcing column 451 and located on the upper and lower sides of the horizontal rotating member 41. Multiple universal rollers A can even be provided at the bottom of the horizontal rotating member 41. The counterweight component 5 is a ring or multiple weights symmetrically arranged around the periphery of the horizontal rotating member 41. In this embodiment, a metal ring is used as an example. The power generation device 6 is a rotary magnetic generator as an example. The power output part 62 is a power transmission line. The first inertia turntable 23 and the second inertia turntable 64 are made of metal, stone, or wood. The power consumption device 7 is a consumer electronic product or other motor, etc. In this embodiment, a table lamp is used as an example. The corresponding types of the above components are only examples of preferred embodiments. Any type with the same function is within the scope of this utility model and is not limited to the above examples.
[0029] The above explanation has provided an understanding of the structure of this technology. Based on the corresponding combination of this structure, advantages such as improved energy utilization efficiency, output stability, and structural durability can be achieved. A detailed explanation will follow below.
[0030] Please refer to the following at the same time. Figures 1 to 4 The figure shown is a perspective view of the first preferred embodiment of the present invention, which is also a schematic diagram of delayed power supply. As can be clearly seen from the figure, the inertial rotating component 4 of this embodiment is horizontally rotated, which has several advantages over a vertically rotating structure. First, horizontal rotation keeps the center of gravity of the horizontal rotating component 41 fixed on the central axis 44, preventing periodic torque changes due to changes in the direction of gravity, thus reducing axial load and energy loss caused by gravity. Second, during high-speed operation, the centrifugal force in the horizontal direction can be evenly distributed throughout the overall structure of the horizontal rotating component 41, helping to balance the radial tension generated by the outer counterweight component 5 and improving the dynamic stability of the mechanism.
[0031] In actual operation, the rotating power generation device of this utility model first provides an initial power supply by the user to start the drive device 2. The drive device 2 outputs power to the drive wheel 22, which is transmitted to the first rotating part 42 of the inertial rotating part 4 via the first transmission member 31. The horizontal rotating part 41 is accelerated to rotate through the central shaft 44. Then, the second rotating part 43 drives the second transmission member 32 to transmit torque to the generator wheel 63 to drive the power generation device 6. As the rotational speed of the horizontal rotating component 41 increases, the rotational inertia accumulated by the horizontal rotating component 41 increases significantly due to the design of the surrounding counterweight component 5. Due to the design of the first inertia turntable 23 and the second inertia turntable 64, not only can the rotational inertia be accumulated, but also the kinetic energy fluctuations can be absorbed, making the start-up process smooth and stable. Of course, the main tasks of the rotational inertia of the two are not the same. The rotational inertia of the first inertia turntable 23 is used to share the output torque of the drive device 2, or to extend the rotation time by inertia when the drive device 2 stops active operation. The rotational inertia of the second inertia turntable 64 is the same as that of the inertia rotating component 4, which is used to extend the operating time of the power generation device 6. Under the premise that the drive device 2 can bear the load, adding the counterweight component 5 and the second inertia turntable 64 is beneficial to realizing inertial rotation and extending the operating time of the power generation device 6. In this way, when the rotational speed of the inertial rotating component 4 reaches the set threshold, the power supply device 1 can be turned off or the output power of the drive device 2 can be reduced, so that the inertial rotating component 4 can continue to rotate freely due to inertia for a period of time, continuously driving the power generation device 6 to output power, and transmitting the power to the drive device 2 or the power consumption device 7 through the power output part 62, thus achieving the effect of short-term energy storage and delayed power supply.
[0032] Furthermore, to further stabilize the rigidity and trajectory balance of the mechanism during high-speed rotation, a plurality of reinforcing columns 451 are circumferentially arranged on the outer edge of the horizontal rotating component 41. Each reinforcing column 451 can be fixedly locked to the ground base or the mechanism support frame to prevent the overall mechanism from shaking during high-speed operation. A reinforcing plate 452 is arranged above and below the horizontal rotating component 41, and the two reinforcing plates 452 are rigidly connected to each reinforcing column 451 to form a fixed frame that does not directly contact the body of the horizontal rotating component 41, so as to maintain stability without interfering with its rotation. Multiple omnidirectional rollers A can even be arranged at the bottom of the horizontal rotating component 41. The omnidirectional rollers A are located in the fixed base and placed on the reinforcing plate 452 below, so as to provide upward support for the horizontal rotating component 41 while reducing the resistance to the horizontal rotating component 41. Therefore, although horizontal rotation may face centrifugal vibration caused by uneven weight distribution, this embodiment balances the weight through symmetrical weight distribution design, stabilizes the structure through the design of reinforcing column 451 and reinforcing plate 452, and provides support and reduces vibration through omnidirectional roller A, accurately suppressing radial runout and vibration caused by unbalanced momentum, ensuring that the overall system remains stable under high-speed conditions.
[0033] The overall device can be adjusted according to application requirements, including the size of the inertial rotating component 4, the mass of the counterweight component 5, and the specifications of the first inertial turntable 23 and the second inertial turntable 64. It is suitable for fields that require intermittent power supply or reduce peak load requirements. The horizontal rotation configuration can reduce gravity interference, improve inertial utilization efficiency, simplify bearing pressure design, and make the design of the more robust structure 45 more effective in offsetting the vibration and lateral force generated during high-speed rotation. At the same time, it avoids the rotation center axis 44 from shifting, improving overall stability and safety, without adding extra load to the turntable rotation, effectively balancing performance and structural rigidity.
[0034] Please refer to the following at the same time. Figure 5 This is a perspective view of the second preferred embodiment of the present invention. As can be clearly seen from the figure, the main difference between this embodiment and the above-mentioned embodiments is the shape of the counterweight component 5 and the arrangement of the first counterweight part 231 and the second counterweight part 641. In this embodiment, the counterweight component 5 is exemplified by four sets of metal blocks symmetrically arranged at both ends of the diameter. Therefore, the horizontal rotating member 41 has a plurality of fixing parts 411 for stabilizing the counterweight component 5. The fixing parts 411 are fixed by locking, embedding, welding or snapping, etc. In this embodiment, embedding is used as an example. Therefore, the fixing part 411 is in the form of a slot and the counterweight component 5 is a column that can be inserted into the slot. In this way, the user can freely adjust the number and weight of the counterweight component 5 to accommodate different horsepower drive devices 2. In addition, a plurality of first counterweights 231 are provided on the periphery of the first inertia turntable 23, and a plurality of second counterweights 641 are provided on the periphery of the second inertia turntable 64. The characteristics of the first counterweights 231 and the second counterweights 641 are the same as those of the counterweight assembly 5. Therefore, provided that the drive device 2 can handle the load, the first inertia turntable 23 and the second inertia turntable 64 can also be further provided with first counterweights 231 and second counterweights 641.
[0035] Please refer to the following at the same time. Figure 6 and Figure 7The figure shows a perspective view and a flowchart of the action block of the third preferred embodiment of the present invention. As can be clearly seen from the figure, the main difference between this embodiment and the above embodiments is the automatic control of the drive device 2. Therefore, a torque control device 81 is electrically connected to the drive device 2 to adjust the output torque of the drive device 2. The drive device 2 is also electrically connected to a speed detector 82 to detect the rotational speed of the inertial rotating member 4. A speed range is set according to the diameter and mass of the inertial rotating member 4. When the rotational speed of the inertial rotating member 4 is less than the speed range, the torque control device 81 increases the torque. When the rotational speed of the inertial rotating member 4 is greater than the speed range, the torque control device 81 decreases the torque. The drive device 2 is also electrically connected to an overload protection device 83. The overload protection device 83 has a start time. When the time when the rotational speed of the inertial rotating member 4 is zero is greater than the start time, the drive device 2 is stopped. The torque control device 81, taking a frequency converter as an example, is used to adjust the output torque (and speed) of the drive device 2. The speed detector 82, taking a non-contact tachometer (such as a laser) as an example, is used to detect the speed of the horizontal rotating component. The overload protection device 83 is used to prevent the drive device 2 from burning out due to increased torque. In this embodiment, the torque control device 81, the speed detector 82, and the overload protection device 83 are all IC chips set on the circuit board of the drive device 2. The speed of the drive device 2 and the inertial rotating component 4 can be simply converted through the ratio of the turntable diameter. Therefore, the speed detector 82 detects the speed of the drive device 2 and converts it into the speed of the inertial rotating component 4. In other words, the speed detector 82 can also be directly set on one side of the inertial rotating component 4.
[0036] In actual use, when the drive device 2 is in the start-up state (step (a)), a speed range (e.g., 300-500 rpm) is set using the speed detector 82 (step (b)). This setting value is related to the frequency (Hz) and pole number of the generator 6, the diameter and mass of the inertial rotating component 4, and the speed ratio between the horizontal rotating component and the generator wheel. In short, if the speed of the inertial rotating component 4 is sufficient to drive the generator 6 to operate normally and supply power, the speed should be higher than this speed range (step (c)). At this time, the power supply device 1 or the drive device 2 can be turned off. Step (d) involves simply using inertia to drive the generator 6 to rotate, thereby reducing power loss. If the rotation speed of the inertial rotating component 4 falls within the rotation speed range (step (e)), then the rotation speed of the inertial rotating component 4 is only the minimum rotation speed required to drive the generator 6. It is possible to maintain the current torque of the drive device 2 to continue increasing the rotation speed, or slightly reduce the torque to maintain the current rotation speed (step (f)). If the rotation speed of the inertial rotating component 4 is insufficient to drive the generator 6 to operate normally and supply power (step (g)), the rotation speed should be lower than the rotation speed range, and the torque of the drive device 2 should be increased to continue accelerating. The action of the torque control device 81 is determined based on the detection result of the speed detector 82. However, in order to avoid the drive device 2 being unable to withstand the load, the overload protection device 83 is designed to prevent the drive device 2 from working in high current for a long time without achieving its purpose. Therefore, if the drive device 2 is in the starting state, especially when the speed of the inertial rotating component 4 is lower than the speed range, the overload protection device 83 will determine whether the length of time that the speed of the inertial rotating component 4 is zero is greater than the starting time (step (h)). If so, the drive device 2 will be actively stopped to prevent the drive device 2 from burning out.
[0037] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. Therefore, any simple modifications and equivalent structural changes made based on the contents of the present utility model specification and drawings should also be included in the patent scope of the present utility model and are hereby stated.
Claims
1. A rotary electric power generation device, characterized by comprising: include: A power supply device; A drive device is electrically connected to the power supply device and is supplied with starting power by the power supply device; A drive wheel is pivotally mounted on the output shaft of the drive device; A first transmission component is mounted on the drive wheel; An inertial rotating component is disposed on one side of the driving device and includes a horizontal rotating component, a first rotating part, and a second rotating part coaxially arranged with each other. The first rotating part is driven by the first transmission component. At least one counterweight assembly is disposed on the periphery of the horizontal rotating component; A second transmission component is pivotally mounted on the second rotating part; A power generation device is located on one side of the inertial rotating component; A generator wheel is pivotally mounted on the input shaft of the generator, and the generator wheel is driven by the second transmission component; At least one power output unit is disposed on the power generation device and electrically connected to the drive device or the power consumption device; a first inertial turntable is disposed on the output shaft to share the output torque of the drive device by means of its rotational inertia; and A second inertial turntable is disposed on the input shaft to extend the operating time of the power generation device by means of its rotational inertia.
2. The rotary electric power generation device of claim 1, wherein The first inertial turntable is provided with a plurality of first counterweights on its periphery.
3. The rotary electric power generation device of claim 1, wherein The second inertial turntable is provided with a plurality of second counterweights on its periphery.
4. The rotary electric power generation device of claim 1, wherein The horizontal rotating component has a plurality of reinforcing columns on its outer side that are not in contact with the surface, and each of the reinforcing columns is connected to a reinforcing plate on the upper and lower sides of the horizontal rotating component.
5. The rotary electric power generation device of claim 1, wherein The horizontal rotating component has a plurality of fixing parts for securing each of the counterweight components.
6. The rotary electric power generation device of claim 1, wherein The drive unit is electrically connected to a torque control device for adjusting the output torque of the drive unit.
7. The rotary electrical power generation device of claim 6, wherein the plurality of magnets are arranged in a circular pattern around the rotor. The drive device is electrically connected to a speed detector for detecting the rotational speed of the inertial rotating component. A speed range is set according to the diameter and mass of the inertial rotating component. When the rotational speed of the inertial rotating component is less than the speed range, the torque control device increases the torque. When the rotational speed of the inertial rotating component is greater than the speed range, the torque control device decreases the torque.
8. The rotary electrical power generation device of claim 7, wherein the plurality of magnets are arranged in a circular pattern around the rotor. The drive device is electrically connected to an overload protection device, which has a start-up time. When the time during which the rotational speed of the inertial rotating component is zero is longer than the start-up time, the drive device is stopped.
9. The rotary electric power generation device of claim 1, wherein The diameter of the drive wheel is smaller than the diameter of the first rotating part, and the diameter of the second rotating part is larger than the diameter of the generator wheel.