An apparatus and method for generating buoyancy using a rotating body that rotates by buoyancy of the buoyancy body

Abstract

The present invention relates to a buoyancy power generation device and method using a rotating body that rotates by the buoyancy of a buoyancy body. It generates electricity by rotating a rotating body using the buoyancy of a buoyancy body floating in water, and operates by supplying and recovering the buoyancy body to the rotating body without using large power. A buoyancy power generation device using a rotating body that rotates by the buoyancy of a buoyancy body according to the present invention comprises: a housing (10) filled with buoyancy water inside; a rotating body (20) installed to be rotatably submerged in the buoyancy water of the housing; a generator (30) that produces electricity through the rotation of the rotating body; a plurality of buckets (40) formed along the circumferential direction of the rotating body; and a buoyancy body supply unit (50) that sequentially inserts buoyancy bodies into the buckets from the outside of the rotating body to rotate the rotating body through the buoyancy of the buoyancy bodies, while recovering the buckets discharged from inside the buckets.

Description

Technology Field

[0001] The present invention relates to buoyancy power generation, and more specifically, to a buoyancy power generation device and method using a rotating body that rotates by the buoyancy of a buoyancy body, which generates power without using large power by utilizing the supply and retrieval of the buoyancy body. Background Technology

[0002] Recently, due to environmental concerns, interest is focusing on eco-friendly power generation using wind, solar, tidal, wave, and buoyancy power as alternatives to nuclear or thermal power generation.

[0003] Tidal and wave power generation utilize natural tidal currents and waves, but their efficiency is poor depending on environmental factors, whereas buoyancy power generation is an artificial facility that can be expected to have high power generation efficiency.

[0004] Examples of buoyancy power generation technologies include Public Patent No. 10-2012-0119413, which utilizes a buoyancy bucket and a rotary tank for supplying compressed air, and Public Patent No. 10-2007-0119187, which utilizes a gas-filled ball introduced into a water tank and rotates it using its buoyancy.

[0005] According to conventional buoyancy power generation technology, it is necessary to operate air compressors, turbo blowers, or Roots blowers by receiving power to produce compressed air. Consequently, there was a problem where power generation productivity was low and it was difficult to generate power in places where there was no initial power generation to operate the air compressors.

[0006] Therefore, it was necessary to develop a buoyancy-based power generation device capable of generating electricity solely through buoyancy without an air compressor. Prior art literature

[0007] Published Patent No. 10-2012-0119413 Published Patent No. 10-2007-0119187 The problem to be solved

[0008] The present invention aims to solve the aforementioned problems by providing a buoyancy power generation device and method using a rotating body that rotates by the buoyancy of a buoyancy body, which generates electricity by rotating a rotating body using the buoyancy of a buoyancy body floating in water, and operates by supplying and recovering the buoyancy body to the rotating body without using large power. means of solving the problem

[0009] A buoyancy power generation device using a rotating body that rotates by the buoyancy of a buoyancy body according to the present invention is characterized by comprising: a rotating body installed to be rotatably submerged in buoyancy water; a generator that produces electricity through the rotation of the rotating body; a plurality of buckets formed along the circumferential direction of the rotating body; and a buoyancy body supply unit that sequentially inserts buoyancy bodies into the buckets from the outside of the rotating body to rotate the rotating body through the buoyancy of the buoyancy bodies, while recovering the buckets discharged from within the buckets.

[0010] Preferably, the rotating body is a circular rotating body or an orbital rotating body.

[0011] It is characterized by including a housing in which the rotating body is installed and filled with buoyancy water. Effects of the invention

[0012] According to the buoyancy power generation device and method using a rotating body that rotates by the buoyancy of a buoyancy body according to the present invention, by using the buoyancy of the buoyancy body to rotate the rotating body and generate power, losses associated with power usage are reduced and power generation efficiency is improved.

[0013] In addition, by supplying the buoyancy element to the bottom of the rotating body to raise it to the water surface via buoyancy while rotating the body, and by recovering and reusing the buoyancy element at a position where the body can no longer be raised (such as the top of the rotating body or the water surface), the operation of the buoyancy element is very easy.

[0014] In addition, since buoyancy power generation is possible on land (inside a building, rooftop, etc.) by filling the housing with buoyancy water, as well as in freshwater bodies (lakes), it is highly efficient and can be operated as a large-capacity power generation facility even in island areas and remote areas. Brief explanation of the drawing

[0015] FIG. 1 is a perspective view of a buoyancy power generation device using a rotating body that rotates by the buoyancy of a buoyancy body according to Embodiment 1 of the present invention. FIG. 2 is a front view of a buoyancy power generation device using a rotating body that rotates by the buoyancy of a buoyancy body according to Embodiment 1 of the present invention. FIG. 3 is an enlarged view of the main parts of a rotor and a blade applied to a buoyancy power generation device using a rotor that rotates by the buoyancy of a buoyancy body according to Embodiment 1 of the present invention. FIG. 4 is a diagram showing the operation of a chamber and a gate applied to a buoyancy power generation device using a rotating body that rotates by the buoyancy of a buoyancy body according to Embodiment 1 of the present invention. FIG. 5 is a drawing showing a watertight packing plate applied to a buoyancy power generation device using a rotating body that rotates by the buoyancy of a buoyancy body according to Example 1 of the present invention. FIG. 6 is an example diagram of a buoyancy power generation device using a rotating body that rotates by the buoyancy of a buoyancy body according to Embodiment 1 of the present invention, in which a plurality of chambers are applied. FIG. 7 is a drawing of a buoyancy body applied to a buoyancy power generation device using a rotating body that rotates by the buoyancy of a buoyancy body according to Embodiment 1 of the present invention. FIG. 8 is an example diagram showing a robot arm applied as a means for recovering a buoyancy body in a buoyancy power generation device using a rotating body that rotates by the buoyancy of a buoyancy body according to Embodiment 1 of the present invention. FIG. 9 is an example diagram illustrating a rotating body that rotates using the attractive force generated by buoyancy, with the buoyancy body applied in Embodiment 1 of the present invention connected by a connecting member. FIG. 10 is a diagram of the buoyancy power generation process of a buoyancy power generation device using a rotating body that rotates by the buoyancy of a buoyancy body according to Embodiment 1 of the present invention. FIG. 11 is an exemplary diagram of a buoyancy power generation device using a rotating body that rotates by the buoyancy of a buoyancy body according to Embodiment 1 of the present invention, in which the bucket, chamber, and induction path are in three rows. FIG. 12 is a drawing showing a rotary gate applied to a buoyancy power generation device using a rotating body that rotates by the buoyancy of a buoyancy body according to Example 1 of the present invention. FIGS. 13 and FIGS. 14 are drawings of a buoyancy power generation device using a rotating body that rotates by the buoyancy of a buoyancy body according to Embodiment 2 of the present invention, FIG. 13 is a drawing with a housing applied, and Figure 14 is a drawing with the housing omitted. Specific details for implementing the invention

[0016] In the following description of the present invention, specific descriptions of related known functions or configurations will be omitted if it is determined that such descriptions would unnecessarily obscure the essence of the invention. Furthermore, the terms described below are defined in consideration of their functions within the present invention, and these definitions may vary depending on the intentions or practices of the user or operator. Therefore, such definitions should be based on the content throughout this specification.

[0017] <Example 1>

[0018] As shown in FIGS. 1 and 2, a buoyancy power generation device using a rotating body that rotates by the buoyancy of a buoyancy body according to the present invention comprises a housing (10) filled with buoyancy water, a circular rotating body (20) inserted into the housing (10) and submerged in buoyancy water and rotatably installed in the housing (10), a generator (30) that produces electricity through the rotational energy of the circular rotating body (20), a plurality of buckets (40) formed along the circumferential direction of the circular rotating body (20), and a buoyancy body supply unit (50) that supplies buoyancy bodies (51) to the buckets (40) so that the circular rotating body (20) rotates through buoyancy.

[0019] The housing (10) is sized to have a space into which a circular rotating body (20) is inserted, preferably such that the entire circular rotating body (20) can be submerged in buoyant water, and the top can be open.

[0020] The housing (10) is a buoyancy space in which the interior is filled with buoyancy water, and the water level of the buoyancy water may be the water level at which the buoyancy body (51), which rotates along the circular rotating body (20) and comes out of the bucket (40), floats, and of course, may vary depending on the method of recovering the buoyancy body (51).

[0021] A buoyancy body insertion hole (11) is formed in the bottom of the housing (10). At this time, the circular rotating body (20) may include an insertion guide (12) that guides the buoyancy body (51) into the bucket (40) placed above the buoyancy body insertion hole (11) so that the buoyancy body (51) inserted through the buoyancy body insertion hole (11) is inserted into the bucket (40) placed above the buoyancy body insertion hole (11), that is, so that the buoyancy body (51) does not deviate to another path, and the bottom portion of the rotating body (20) is close to the bottom of the housing (10) or above the buoyancy body insertion hole (11).

[0022] The position of the buoyancy body insertion hole (11) is preferably a position offset to one side from the centerline of the circular rotating body (20), and this positional relationship is a position where the buoyancy body (51) rising through the buoyancy body insertion hole (11) naturally rises through buoyancy after being inserted into the bucket (40).

[0023] The present invention can be installed and operated in an environment with buoyant water (freshwater bodies such as lakes), or it can be installed and operated on land (inside or outside a building) because it can generate power by filling the housing (10) with buoyant water. Accordingly, the housing (10) can be selected as needed, and if the housing (10) for holding buoyant water is omitted, the circular rotating body (20) is installed in the buoyancy section, and the buoyant body supply unit (50) has a structure in which the parts for supplying and recovering the buoyant body (51) are each open but the buoyant water is not filled.

[0024] The circular rotating body (20) is preferably circular when viewed from the front, and of course, a polygonal shape is also possible. A rotation axis (or rotation guide axis) is coupled to the center and is rotatably connected to the housing (10) through the rotation axis. The rotation axis is the power generation axis of the generator (30) or is connected to the power generation axis to drive the generator (30). It rotates through a change in buoyancy when the buoyancy body (51) is inserted into the bucket (40) while submerged in buoyancy water.

[0025] The circular rotating body (20) may be capable of rotating in both directions (clockwise and counterclockwise), or it may be configured to rotate in only one direction according to the supply position of the buoyancy body (51), etc.

[0026] A curved upward guide (21) may be included along the curvature of the circular rotating body (20) so that the buoyancy body (51) does not fall out of the bucket (40) when rotating along with the rotation of the circular rotating body (20). The upward guide (21) is formed next to the circular rotating body (20) at a distance so that the buoyancy body (51) does not fall out of the bucket (40), and its lower end is connected (close to) the buoyancy body insertion hole (11) or the insertion guide (12), and its upper end is below the top dead center position of the circular rotating body (20), and may include a plurality of holes so as not to be affected by buoyancy.

[0027] The generator (30) is installed outside the housing (10) when the housing (10) is applied, and the rotating shaft or generator shaft penetrates the housing (10), and this part is sealed through a mechanical seal, etc.

[0028] The bucket (40) is in the form of a space in which a buoyancy body (51) is accommodated in the circular rotating body (20) so that buoyancy acts on the circular rotating body (20). It is a pocket structure having an opening so that the buoyancy body (51) is inserted from the buoyancy body supply unit (50) and, conversely, the buoyancy body (51) in the inserted state is retrieved to the buoyancy body supply unit (50). For example, the circular rotating body (20) includes two circular plates, a hub connected to the center of the plates, and a plurality of blades formed radially from the hub and connected to each of the plates. A bucket (40) is formed between the plates, the hub, and the blades arranged along the circumferential direction. Two adjacent blades (41) form the bucket (40). That is, it is preferable that the blades support the buoyancy body (51) from both the upper and lower sides, and that a plurality of holes are formed so that the buoyancy is reduced and the rotation is not interfered with. Both straight and curved shapes are possible.

[0029] In addition, as shown in FIG. 3, the end line of the bucket (40) is positioned downwards on an imaginary line extending from the center of the rotating body (20) to the outer periphery, as in a conventional turbofan blade installation configuration, so that resistance with the buoyancy water caused by the bucket (40) is minimized when the rotating body (20) rotates.

[0030] The buoyancy body supply unit (50) is configured to supply a buoyancy body (51) to a bucket (40) of a circular rotating body (20) and to retrieve the buoyancy body (51) in the bucket (40) of the circular rotating body (20). Preferably, since the direction of buoyancy is from the bottom to the top, the buoyancy body (51) is supplied from the bottom of the housing (10), and the buoyancy body (51) that rotates the circular rotating body (20) is retrieved from the top of the housing (10).

[0031] The buoyancy body supply unit (50) is structured to receive buoyancy bodies (51) from outside the housing (10) and to have a guide path (52) for inserting one or more buoyancy bodies (51) into the buoyancy body insertion hole (11). For example, the guide path (52) is structured to be formed from the top of the housing (10) to the bottom of the buoyancy body insertion hole (11) while sharing the outside of the housing (10) as a wall, and is a path structure for the movement of the buoyancy bodies (51). Since it is a non-buoyancy section, the buoyancy bodies (51) are guided toward the buoyancy body insertion hole (11) by their own weight.

[0032] As shown in FIG. 7, the buoyancy body (51) is made of a material and structure that floats well in buoyant water and includes a foam (51a) and an outer shell (51b) that covers the outside of the foam (51a). The outer shell (51b) is preferably made of a material that is lightweight and has excellent waterproof performance, such as aluminum or engineering plastic, and its shape can be various shapes such as cylindrical or ball-shaped.

[0033] Meanwhile, the buoyancy water filled into the housing (10) is usually filled with water, but as the specific gravity increases, the buoyancy of the buoyancy body (51) increases, so the buoyancy water may be salt water or a solution with a high specific gravity such as glycerol or calcium bromide solution may be used.

[0034] The buoyancy body supply section (50) is configured as a non-buoyancy section because, when the buoyancy body (51) inserted into the guideway (52) receives buoyancy, the buoyancy body (51) cannot be supplied by gravity, and therefore, a chamber (53) is formed as a buffer space in the guideway (52).

[0035] The chamber (53) is a space formed through the front and rear gates (54-1, 54-2) as a gate, and by opening and closing the front and rear gates (54-1, 54-2), it can be a buoyant space filled with buoyant water or, conversely, a non-buoyant space without buoyant water.

[0036] The front and rear gates (54-1, 54-2) are spaced apart from each other to form a chamber (53) sized to accommodate, for example, one or more buoyancy bodies (51), and are configured to open and close the induction path (52) respectively.

[0037] For the front and rear gates (54-1, 54-2), a hydraulic cylinder or the like, which is operated by a hydraulic generator that is driven in sync with the driving of a circular rotating body (20), may be used, and as shown in FIG. 12, a rotary gate (54-4) of a rotary type may be used, and even if power is required, it is operated with low power so that it can be used for a long time in an environment where power supply is poor.

[0038] The above-mentioned opening and closing drive source can be installed anywhere inside or outside the housing (10). In the case of the interior, when viewed from the front, the housing (10) is square and the circular rotating body (20) is circular, so an empty space is formed at the corner of the housing (10), and this empty space can be used as the installation location.

[0039] The front gate (54-1) is toward the buoyancy body insertion hole (11), and the rear gate (54-2) is toward the guideway (52).

[0040] As shown in FIG. 4, when the front and rear gates (54-1, 54-2) are closed, the buoyancy body (51) is received outside the chamber (53). When only the rear gate (54-2) is opened while the front gate (54-1) remains closed, the buoyancy body (51) moves into the chamber (53). Subsequently, when the rear gate (54-2) is closed and the front gate (54-1) is opened, the buoyancy water of the housing (10) fills the chamber (53), and the buoyancy body (51) inside the chamber (53) moves toward the buoyancy body insertion hole (11) by buoyancy and is supplied to the bucket (40). After supplying the buoyancy body (51), the front gate (54-1) is closed, and the process switches to a waiting state for supplying the buoyancy body (51) (inserting the buoyancy body (51) into the chamber (53). By repeating this action, the buoyancy body (51) is supplied to the bucket (40).

[0041] Meanwhile, buoyancy water may be present in the chamber (53) when the rear gate (54-2) is opened, and this buoyancy water is in an amount that does not interfere with the supply of the buoyancy body (51) to the extent that it accumulates on the bottom of the guideway (52), but to prevent the supply of the buoyancy body (51) by the buoyancy water and to ensure the smooth supply of the buoyancy body (51), the following drainage means may be included.

[0042] The above drainage means includes a reservoir (55) formed by a chamber (53) and a space through which buoyancy water passes (connected via a drainage channel), and a pump (56) that drains the buoyancy water from the reservoir (55) into the chamber (53). When moving a buoyancy body (51) inside the chamber (53) toward the insertion hole (11), the buoyancy water is filled into the chamber (53), and when waiting for the supply of the buoyancy body (51) inside the chamber (53), the buoyancy water is drained from the chamber (53).

[0043] Of course, a pressure equalization valve (53a) for equalizing pressure may be installed and operated to allow the buoyancy water inside the housing (10) to flow into the chamber (53) to balance the water pressure. The pressure equalization valve (53a) is installed as an electric valve in the piping so that when the chamber (53) is closed, the valve is automatically opened to allow the buoyancy water inside the housing (10) to flow in and equalize the water pressure, or the rear gate (54-2) is opened to fill the empty space in the rear space during the process of inserting the buoyancy body (51) so that the buoyancy body (51) can be smoothly inserted into the rotating body (10).

[0044] Meanwhile, as another means of drainage, it is also possible to configure a drainage channel connected to the chamber (53) without operating a water tank (55). In this case, since buoyant water can flow into the chamber (53) and drainage can be achieved when the buoyant body (51) is in a supply state (front side gate (54-1) open, rear side gate (54-2) closed), it is preferable to form it outside the chamber (53) and behind the rear side gate (54-2).

[0045] The above drainage channel is configured as a conduit for draining buoyant water inside a guide channel (52) or chamber (53), and recovers buoyant water in a separate recovery container or is connected to a housing (10) to recover buoyant water into the housing (10), and a drainage pump may be applied together.

[0046] Additionally, it is possible to inject compressed air into the chamber (53). Compressed air can be injected while the chamber (53) is open to supply a buoyancy body while preventing buoyancy water from penetrating into the chamber (53). The buoyancy body (51) is installed in the induction path (52) as shown in FIG. 5 with a watertight packing plate (57) to prevent primary leakage between the buoyancy body (51) and the housing (10), and compressed air higher than the water pressure inside the housing (10) is injected to prevent buoyancy water from leaking out. In the non-buoyancy section on the induction path (52) side, the multiple loads of the buoyancy body (51) and the watertight packing plate (57) function to prevent compressed air from leaking to the outside. The compressed air is discharged together into the housing (10) when the buoyancy body (51) is inserted into the insertion hole (11) of the rotating body (20).

[0047] The watertight packing plates (57) are fixed to each of the opposing sides of the induction path (52) and, when no external force is applied, their free ends come into contact or overlap with each other, thereby preventing buoyant water from the chamber (53) from flowing into the induction path (52). When the buoyant body (51) is pushed and transported toward the chamber (53) through a push member, etc., the plates are elastically deformed and adhere to the periphery of the buoyant body (51), thereby preventing buoyant water from flowing into the induction path (52).

[0048] It is preferable that two or more watertight packing plates (57) be applied at regular intervals along the transport direction of the buoyancy body (51).

[0049] Additionally, as shown in FIG. 6, the chambers (53-1, 53-2) may not be configured as a single unit but may be configured as a plurality of units or installed in series or in parallel to increase the insertion speed of the buoyancy body (51). The plurality of chambers (5-1, 53-2) are formed through forward and backward gates (54-1, 54-2, 54-3) arranged at a certain distance from each other, and these forward and backward gates (54-1, 54-2, 54-3) sequentially open and close to sequentially open and close the chambers (53-1, 53-2). In this case, the reservoir (53) may be configured as two independent units to communicate with each of the chambers (53-1, 53-2).

[0050] The buoyancy body (51) is forcibly moved by a supply auxiliary means (58), such as a hydraulic / pneumatic cylinder or a rotating roller, at the bottom of the circular rotating body (20), or supplied using the weight of the buoyancy body (51) itself and the buoyancy of the buoyancy water. Since the section after the chamber (53) space is a method of rotating the circular rotating body (20) while rising due to buoyancy, it is inserted only into the bucket (40) of about half of the circular rotating body (20) and not in the bucket (40) of the opposite half. That is, the buoyancy body (51) that reaches the top of the circular rotating body (20) must be discharged from inside the bucket (40) to the outside. Preferably, the water level of the buoyancy water is raised higher than the top of the circular rotating body (20) so that the buoyancy body (51) floats in the buoyancy water and falls out of the bucket (40).

[0051] Methods for recovering the detached buoyancy body (51) to the upper entrance of the guideway (52) include, as shown in FIG. 2, installing a conveyor belt (59) to guide the buoyancy body (51) into the guideway (52) while it is submerged in the buoyancy water inside the housing (10), and, as shown in FIG. 8, installing a robot arm (59-1) (hydraulic cylinder, air cylinder, etc.) capable of extension or joint movement on the upper part of the housing (10) to push the buoyancy body (51) into the guideway (52) for recovery.

[0052] Meanwhile, as shown in FIG. 9, the buoyancy body (51) and the buoyancy body (51) may be connected by a connecting member (51c), such as a rope or chain, to enable movement across the rotating body (10) and the guide path (52), thereby allowing for continuous insertion into and removal from the rotating body (10) by utilizing the force generated by the buoyancy of the buoyancy body (51). In this case, the buoyancy body (51) is prevented from flowing into the guide path (52) by a watertight packing plate (57) installed to ensure watertightness in the guide path (52), thereby enabling the movement and rotation of the buoyancy body (51). Here, it is preferable for the blade (41) to have a structure having a groove that accommodates the connecting member (51c).

[0053] Additionally, a path (in the form of a duct) for recovering the buoyancy body (51) may be included between the top of the circular rotating body (20) and the upper opening of the guideway (52).

[0054] The conveyor belt (59), robot arm (59-1), etc. are examples of means for recovering buoyancy bodies.

[0055] A method for generating buoyancy using a buoyancy power generation device that uses a rotating body rotating by the buoyancy of a buoyancy body according to the present invention is as follows (Fig. 10).

[0056] 1. Initial installation.

[0057] The interior of the housing (10) is filled with buoyancy water to form a buoyancy section, and the guideway (52) and chamber (53) of the buoyancy body supply unit (50) are non-buoyancy sections without buoyancy water, and buoyancy bodies (51) are preferably stored (stacked) in a row in the guideway (52).

[0058] The circular rotating body (20) is in a stationary state that does not rotate because no buoyancy body (51) is inserted in all buckets (40) and there is no flow of buoyancy water.

[0059] Initially, the buoyancy body (51) is not inserted into the bucket (40) of the rotating body (20), but for the continuous rotation of the rotating body (20), it is necessary to supply the buoyancy body (51) so that the buoyancy body (51) is inserted into the induction path (52) and approximately half of the bucket (40) into which the buoyancy body (51) is inserted.

[0060] 2. Insertion of buoyancy body and rotation of circular rotating body.

[0061] As explained in Fig. 3, the front and rear gates (54-1, 54-2) are opened and closed at intervals, and one buoyancy body (51) inside the induction path (52) is transferred into the chamber (53), and then inserted into the bucket (40) placed at the bottom through the buoyancy body insertion hole (11).

[0062] Depending on the buoyancy and insertion position of the bucket (40), the circular rotating body (20) rotates counterclockwise according to the drawing.

[0063] During this process, the buoyancy body (51) stored in the guideway (52) is transferred to the inside of the chamber (53) and between the chamber (53) and the buoyancy body insertion hole (11) through the opening and closing of the front and rear gates (54-1, 54-2) and waits.

[0064] As the circular rotating body (20) rotates, the empty bucket (40) moves over the buoyancy body insertion hole (11), and the standby buoyancy body (51) rises due to buoyancy and is inserted into the empty bucket (40), and the circular rotating body (20) continues to rotate through the buoyancy of the buoyancy body (51).

[0065] As the buoyancy body (51) is transported through the chamber (53) to the waiting section between the buoyancy body insertion hole (11) and the buoyancy body (51) in the waiting section is inserted into the bucket (40) at the same time, the circular rotating body (20) rotates continuously without stopping, and as the number of inserted buoyancy bodies (51) increases, the buoyancy increases and the rotational power increases proportionally.

[0066] 3. Recovery of buoyancy body.

[0067] The buoyancy body (51), which is transferred to the upper part of the circular rotating body (20) by the rotation of the circular rotating body (20), is transferred to an inlet formed at the upper part of the induction path (52) through a buoyancy body recovery means and flows into the induction path (52).

[0068] FIG. 11 illustrates an example in which two or more rows of buckets are applied to a circular rotating body (20). For example, the circular rotating body (20) has three rows of buckets (40-1, 40-2, 40-3) formed along the axial direction, and accordingly, the buoyancy body supply unit (50) is also configured with three rows of induction paths (52-1, 52-2, 52-3) and three rows of chambers (53-1, 53-2, 53-3).

[0069] Supplying the buoyancy body (51) from the buoyancy body supply unit (50) to the three rows of buckets (40-1, 40-2, 40-3) is the same as described above, provided that there is a method of supplying three buoyancy bodies (51) to the three rows of buckets (40-1, 40-2, 40-3) simultaneously, or a method of supplying the buoyancy bodies (51) with a time delay from the first row to the third row. This configuration is one of the methods to solve the problem of the rotating body (20) being temporarily stopped or the rotation speed being slowed down during the insertion process of the buoyancy body (51). Each row of the rotating body (10) is configured to have the same rotation axis, while each rotation axis is configured to have a normal ratchet function added to it so that independent rotation is possible. That is, even if another rotating body (10) rotates, the rotating body (10) into which the buoyancy body (51) is inserted remains in a stopped state with the ratchet operating state, or the buoyancy body (10) can be inserted in a different rotational speed state. It is obvious that the number of installed rows can be configured as multiple depending on the installation space of the rotating body (10).

[0070] <Example 2>

[0071] FIGS. 13 and FIGS. 14 each illustrate a buoyancy power generation device using a rotating body that rotates by the buoyancy of a buoyancy body according to the present embodiment, and differs from Embodiment 1 in that a track-type rotating body (60) is applied.

[0072] The track-type rotating body (60) preferably includes at least one guide roller (pulley) (61, 62) rotatably installed on each of the upper and lower sides, a track (belt, chain, etc.) (63) wound around the guide rollers (61, 62), and blades (64) joined to the track (63) at regular intervals along the circumferential direction to form a bucket (40).

[0073] In this embodiment, as in FIG. 10, a housing (10) may be included, or as in FIG. 11, the housing (10) may be omitted.

[0074] The track-type rotating body (60) is identical in that it rotates through the buoyancy of the buoyancy body (51), differing only in shape, but it has the advantage of being able to secure a longer upward distance of the buoyancy body (51) compared to the circular rotating body (20).

[0075] In addition, in the circular rotating body (20) of Example 1, the supply position of the buoyancy body (51) is at the bottom dead center position according to the circular shape, and it is preferable to supply the buoyancy body (51) from the bottom to the top direction at this position. On the other hand, in this embodiment, even if the buoyancy body (51) is pushed sideways and supplied from the side of the track-type rotating body (60), the track-type rotating body (60) can be rotated, and the buoyancy body (51) can also be moved and discharged towards the guideway, which is a non-buoyancy section, by pushing it sideways from the top of the rotating body (60). Of course, this form can be applied in the same way to the shape of the rotating body (20) of Example 1.

[0076] The generator (30) is connected to at least one of the two guide rollers (61, 62) to generate power.

[0077] Anything not specifically described in this embodiment can be implemented from Example 1. Explanation of the symbols

[0078] 10: Housing, 11: Buoyancy body insertion hole 12 : Insertion guide, 20: Rotating body, 21: Rising guide 30: Generator, 40: Bucket 50: Buoyancy body supply unit, 51: Buoyancy body 52: Induction path, 53: Chamber 54-1, 54-2: Front and rear gates, 54-3: Rotating gate 55: Water tank, 56: Pump 57: Watertight packing plate, 58: Supply auxiliary means 59 : Conveyor belt, 60: Orbital rotating body, 61, 62: Guide rollers 63: Orbit, 64: Blade

Claims

Claim 1 A buoyancy power generation device using a rotating body that rotates by the buoyancy of a buoyancy body, characterized by comprising: a rotating body installed to be rotatably submerged in buoyancy water; a generator that produces electricity through the rotation of the rotating body; a plurality of buckets formed along the circumferential direction of the rotating body; and a buoyancy body supply unit that sequentially inserts buoyancy bodies into the buckets from the outside of the rotating body to rotate the rotating body through the buoyancy of the buoyancy bodies, while recovering and resupplying buckets discharged from within the buckets. Claim 2 A buoyancy power generation device using a rotating body that rotates by the buoyancy of a buoyancy body, wherein, in claim 1, the buoyancy body supply unit prevents buoyancy water from flowing in so that the buoyancy body induces a downward movement to the supply position by its own weight. Claim 3 A buoyancy power generation device using a rotating body that rotates by the buoyancy of a buoyancy body, wherein, in claim 2, the buoyancy body supply unit includes a chamber that guides the buoyancy body to the bucket, and the chamber is formed through a forward / backward gate that opens and closes the chamber, with the chambers spaced apart along the direction of travel of the buoyancy body at a distance such that buoyancy bodies can be inserted into each other. Claim 4 A buoyancy power generation device using a rotating body that rotates by the buoyancy of a buoyancy body, wherein the buoyancy body supply unit of claim 2 comprises a chamber that guides the buoyancy body to the bucket, and a rotary gate that is rotatably mounted in the chamber and supplies the buoyancy body through rotation. Claim 5 A buoyancy power generation device using a rotating body that rotates by the buoyancy of a buoyancy body, characterized in that, in claim 3, it includes a pressure equalization valve for injecting buoyancy water into the chamber. Claim 6 A buoyancy power generation device using a rotating body that rotates by the buoyancy of a buoyancy body, characterized in that, in claim 2 or claim 3, it includes a drainage means formed on one or more sides of the buoyancy body supply unit and the chamber to drain buoyancy water. Claim 7 A buoyancy power generation device using a rotating body that rotates by the buoyancy of a buoyancy body, characterized in that, in claim 2, two or more watertight packing plates are applied at regular intervals along the transport direction of the buoyancy body in a guideway formed in the buoyancy body supply section and in which the buoyancy body is received, and which normally seal the guideway watertightly and adhere to the periphery of the buoyancy body when the buoyancy body is pushed and transported to prevent the inflow of buoyancy water. Claim 8 A buoyancy power generation device using a rotating body that rotates by the buoyancy of a buoyancy body, characterized in that, in any one of claims 1 to 4, it includes a buoyancy body recovery means for recovering a buoyancy body that is inserted at the bottom of the rotating body and rotates the rotating body while rising through buoyancy, to the buoyancy body supply unit. Claim 9 A buoyancy power generation device using a rotating body that rotates by the buoyancy of a buoyancy body, characterized in that, in any one of claims 1 to 4, it includes a housing that is filled with buoyancy water and installed so that the rotating body is submerged in the buoyancy water. Claim 10 A buoyancy power generation device using a rotating body that rotates by the buoyancy of a buoyancy body, characterized in that, in any one of claims 1 to 4, the rotating body is a circular rotating body or an orbital rotating body. Claim 11 A buoyancy power generation device using a rotating body that rotates by the buoyancy of a buoyancy body, characterized in that, in any one of claims 1 to 4, a plurality of rotating bodies are connected to the same rotation axis so as to be capable of independent rotation. Claim 12 A buoyancy power generation device using a rotating body that rotates by the buoyancy of a buoyancy body, characterized in that, in any one of claims 1 to 4, the buoyancy body moves by being connected to an adjacent buoyancy body by a connecting member. Claim 13 A buoyancy power generation device using a rotating body that rotates by the buoyancy of a buoyancy body, characterized in that, in any one of claims 1 to 4, the rotating body is installed at a depth between the upper part and the surface of the buoyancy water such that the buoyancy body can float, thereby allowing the buoyancy body to be discharged from the bucket and float in the buoyancy water. Claim 14 A buoyancy power generation device using a rotating body that rotates by the buoyancy of a buoyancy body, characterized in that, in any one of claims 1 to 4, the buoyancy water is a liquid with a specific gravity higher than water. Claim 15 A method for generating buoyancy using a rotating body that rotates by the buoyancy of a buoyancy body, comprising: a first step of installing a rotating body so as to be submerged in buoyant water and preparing a buoyancy body outside the rotating body; a second step of supplying a buoyancy body to a bucket formed on the circumference of the rotating body to rotate the rotating body through the buoyancy of the buoyancy body and generating electricity; and a third step of recovering the buoyancy body floating on the surface of the buoyant water through the rotation of the rotating body, wherein the second and third steps are performed in parallel to produce electricity through the rotation of the rotating body.

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