CN217950575U - Tidal current energy power generation device powered by submerged buoy - Google Patents

Abstract

The utility model provides a tide energy power generation facility of buoy power supply dives, linear array capture system is implementing the position through diving buoy mooring system suspension, and linear array capture system includes a plurality of single capture systems of arranging of linearity in proper order, be connected through the connected system between two liang of single capture systems, single capture system includes the sealed cabin, generator and impeller, generator fixed mounting is to the sealed cabin in, the one end fixed mounting of impeller to the one end of pivot, the other end of pivot passes the fixed cover of sealed cabin and connects to the transmission shaft of generator on, and the peripheral sealing connection of pivot is to the lateral wall of sealed cabin. Submerged buoy power supply's trend can power generation facility, the sealed cabin can be through ocean current self-adaptation's adjustment direction, is suitable for the changeable and complicated service environment in ocean, linear array captures the system and acquires trend energy, converts trend energy into impeller pivoted kinetic energy, conveys kinetic energy to the generator again, drives the generator electricity generation.

Description

Tidal current energy power generation device powered by submerged buoy

Technical Field

The utility model belongs to trend can the electricity generation field, especially, relate to a trend can power generation facility of power supply of submerged buoy.

Background

Tidal current energy refers to kinetic energy of tidal water flow, and mainly refers to energy caused by periodic fluctuation of seawater on the surface of the earth due to the gravitational force of moon, sun and the like. Compared with waves, the change of the tide is more stable and regular. The tidal current can change the size and direction 2 times per day along with the fluctuation of tide, the main utilization mode of the tidal current is power generation, the basic principle of the tidal current is similar to wind power generation, namely, the kinetic energy of seawater is converted into mechanical energy, and then the mechanical energy is converted into electric energy. The tidal current energy power generation device is different from a traditional tidal energy generator set, is an open ocean energy capturing device, has a relatively slow impeller rotating speed, generally speaking, the flowing energy with the maximum flow velocity of more than 2m/s has a utilization value, and can be divided into a horizontal shaft type structure and a vertical shaft type structure according to the spatial relationship between the axis of a turbine machine and the water flow direction.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention is directed to a tidal current energy power generation device for submerged buoy power supply, so as to provide a device that can generate power by using tidal current energy and can use a complex ocean environment.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

a tidal current energy power generation device powered by a submerged buoy comprises a linear array capture system, wherein the linear array capture system is suspended at an implementation position through a submerged buoy mooring system, the linear array capture system comprises a plurality of single capture systems which are sequentially linearly arranged, every two single capture systems are connected through a connecting system, each single capture system comprises a sealed cabin, a generator and an impeller, the generator is fixedly installed in the sealed cabin, one end of the impeller is fixedly installed to one end of a rotating shaft, the other end of the rotating shaft penetrates through the sealed cabin to be fixedly sleeved on a transmission shaft of the generator, the periphery of the rotating shaft is hermetically connected to the side wall of the sealed cabin, and every two adjacent sealed cabins are connected through the connecting system.

Furthermore, the generator is a dual-input disc type permanent magnet generator, two ends of the generator are respectively and fixedly sleeved with a rotating shaft, one end of each rotating shaft is provided with an impeller, and a shaft seat is arranged in the sealed cabin and used for supporting the periphery of the rotating shaft.

Furthermore, a plurality of impellers are uniformly distributed at one end of each rotating shaft along the radial direction, each impeller comprises a cage-type support and blades, one end of the cage-type support is fixedly connected to the periphery of the rotating shaft, and the blades are mounted at the other end of the cage-type support.

Further, the sealed cabin comprises a front cabin body and a rear cabin body which are respectively arranged at two ends of the middle cabin body, the front cabin body and the rear cabin body are both arc-shaped shell structures, the middle cabin body is of a hollow cylindrical structure, and the generator is fixedly installed in the middle cabin body.

Furthermore, the connecting system comprises a joint frame, two ends of the joint frame are respectively provided with a U-shaped groove, the two U-shaped grooves are perpendicular to each other, one end of the front connecting frame and one end of the rear connecting frame are hinged into the U-shaped groove through a joint shaft, and the other end of the front connecting frame and the other end of the rear connecting frame are fixedly connected to the periphery of a sealed cabin respectively.

Furthermore, the submerged buoy mooring system comprises a submerged buoy floating ball, an armored optical cable, a vertical anchor chain, a gravity anchor and a grabbing anchor, wherein the periphery of the submerged buoy floating ball is fixedly connected to the linear array capture system through the armored optical cable, the periphery of the submerged buoy floating ball is fixedly connected to one end of the vertical anchor chain, the other end of the vertical anchor chain is fixedly connected to one end of the gravity anchor, the other end of the gravity anchor is fixedly connected to the grabbing anchor through a chain, and the grabbing anchor is fixedly grabbed to a fixed position.

Furthermore, a submerged buoy support is arranged on the periphery of the submerged buoy mooring system, a detection unit is installed in the submerged buoy support, and signals of the detection unit are connected to the linear array capture system through armored optical cables.

The linear array capture system is connected to the undersea cable by an armored optical cable.

Compared with the prior art, stealthily the trend of mark power supply can power generation facility have following beneficial effect: two adjacent sealed cabins have three degrees of freedom, so that the sealed cabins can be adaptive to the direction through ocean currents and are suitable for the variable and complex use environment of the ocean.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic structural diagram of a tidal current energy power generation device powered by a submerged buoy according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of the submersible buoy mooring system and the sealed cabin according to the embodiment of the invention;

fig. 3 is a schematic structural diagram of a connection system according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of the matching of the sealed cabin and the impeller according to the embodiment of the present invention;

fig. 5 is a schematic cross-sectional view of the sealing chamber and the impeller according to the embodiment of the present invention;

fig. 6 is a schematic structural diagram of an impeller according to an embodiment of the present invention.

Description of reference numerals:

1-submerged buoy mooring system; 11-submerged buoy floating ball; 12-armored optical cable; 13-vertical anchor chains; 14-a gravity anchor; 15-a grip anchor; 16-a submerged buoy support; 2-a single capture system; 21-sealing the cabin; 211-a front cabin; 212-middle compartment; 213-rear cabin; 22-a generator; 23-an impeller; 231-cage scaffold; 232-blade; 24-a rotating shaft; 3-a linking system; 31-a joint frame; 32-a front link; 33-rear connecting frame.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features of the embodiments of the present invention may be combined with each other.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1-6, the tidal current energy power generation device powered by a submerged buoy comprises a linear array capture system, the linear array capture system is suspended in a water body through a submerged buoy mooring system 1, the linear array capture system comprises a plurality of single capture systems 2 which are sequentially linearly arranged, every two single capture systems 2 are connected through a connecting system 3, each single capture system 2 comprises a sealed cabin 21, a generator 22 and an impeller 23, the generator 22 is fixedly installed in the sealed cabin 21, one end of the impeller 23 is fixedly installed at one end of a rotating shaft 24, the other end of the rotating shaft 24 penetrates through the sealed cabin 21 and is fixedly connected to a transmission shaft of the generator 22, the periphery of the rotating shaft 24 is hermetically connected to the side wall of the sealed cabin 21, every two adjacent sealed cabins 21 are connected through the connecting system 3, and the connecting system 3 is shown in fig. 3, so that every two adjacent sealed cabins 21 have three degrees of freedom, the sealed cabin 21 can be self-adaptive to adjust directions through ocean currents, the tidal current energy power generation device is suitable for ocean variable and complex use environments, and the linear array system acquires energy, captures tidal current energy and converts the tidal current energy into kinetic energy which is transmitted to the generator 22 and drives the generator 22 to drive the generator.

The generator 22 is a dual-input disk permanent magnet generator 22, the two ends of the generator 22 are respectively and fixedly sleeved with a rotating shaft 24, one end of each rotating shaft 24 is provided with an impeller 23, a shaft seat is arranged in the sealed cabin 21 and used for supporting the periphery of the rotating shaft 24, the disk permanent magnet generator 22 is the prior art, and the generator 22 comprises: the generator 22 comprises a left stator core, a left stator winding, a left end cover, a right stator winding, a right end cover, a rotor magnetic yoke, a left shaft of a generator 22 shaft, a right shaft of the generator 22 shaft, a left end cover bearing and a right end cover bearing, wherein the disc type stator and the disc type rotor are axially arranged. The rotor is arranged in the middle, the left stator and the right stator are arranged on two sides of the rotor in a split mode, and the left stator comprises a left stator iron core, a left stator winding and a left end cover. The iron core is in a disc structure, a left stator winding coil is embedded in a wire embedding groove in the surface of the iron core according to a certain rule, and the iron core embedded with the winding is fixedly installed on the left end cover. The right stator is the same as the left stator, the magnetic yoke of the rotor is in a disc shape, a plurality of permanent magnetic poles are fixedly distributed on the surface and are arranged according to the circumference, the north and south magnetic poles are arranged alternatively, and the magnetic yoke acts on a magnetic line of force passage of the permanent magnetic poles. The two sides of the magnetic yoke are uniformly provided with magnetic poles and are in a symmetrical state, and the center of the magnetic yoke of the rotor is axially and symmetrically provided with a left shaft of the generator 22 and a right shaft of the generator 22. The generator 22 axle and rotor fixed connection, coaxial rotation, left end cover and right end cover center respectively are equipped with a bearing, guarantee that generator 22 axle is relative about the end cover steady rotation, every sealed cabin 21 installs two generators 22, connect four impeller 23 altogether, two generators 22 are installed along the internal axis of sealed cabin 21, through generator 22 support and cabin body bottom plate fixed connection, the axle of both sides is towards sealed hole, and with sealed hole coaxial, two pivot 24 drive generator 22 left axle, right axle coaxial rotation, drive rotor rotation, winding wire cuts magnetic line of force and produces the electromotive force when the rotor rotates, thereby send electric energy.

One end of each rotating shaft 24 is uniformly provided with a plurality of impellers 23 along the radial direction, each impeller 23 comprises a cage-shaped support 231 and blades 232, one end of the cage-shaped support 231 is fixedly connected to the periphery of the rotating shaft 24, and the blades 232 are installed at the other end of the cage-shaped support 231.

The sealed cabin 21 includes the preceding cabin body 211 and the back cabin body 213 that well cabin body 212 both ends set up respectively, preceding cabin body 211 and back cabin body 213 are arc shell structure, well cabin body 212 is the hollow circular cylinder structure, generator 22 fixed mounting is to well cabin body 212 in, preceding cabin body 211 and back cabin body 213 are respectively with well cabin body 212 both ends welded connection, form the seal, well cabin body 212 both sides have two sealed holes respectively, install rotatory dynamic seal device (skeleton seal) in the sealed hole, four sealed holes are respectively for well cabin body 212 axis, sealed cabin 21 normal symmetry.

The connection system 3 comprises a joint frame 31, two ends of the joint frame 31 are respectively provided with a U-shaped groove, the two U-shaped grooves are perpendicular to each other, one end of a front connection frame 32 and one end of a rear connection frame 33 are hinged into the U-shaped grooves through joint shafts respectively, the other end of the front connection frame 32 and the other end of the rear connection frame 33 are fixedly connected to the periphery of a sealed cabin 21 respectively, the front connection frame 33 and the rear connection frame 33 are fixedly connected with the front end or the rear end of the capture system, the front connection frame 32 is connected with the joint frame 31 through the joint shafts and rotates around an X-axis, the joint frame 31 is connected with the rear connection frame 33 through the joint shafts and rotates around a y-axis, and the rear connection frame 33 can rotate in 3 directions relative to the front connection frame 32.

The submerged buoy mooring system 1 comprises a submerged buoy floating ball 11, an armored optical cable 12, a vertical anchor chain 13, a gravity anchor 14 and a grabbing anchor 15, wherein the periphery of the submerged buoy floating ball 11 is fixedly connected to the linear array capture system through the armored optical cable 12, the periphery of the submerged buoy floating ball 11 is fixedly connected to one end of the vertical anchor chain 13, the other end of the vertical anchor chain 13 is fixedly connected to one end of the gravity anchor 14, the other end of the gravity anchor 14 is fixedly connected to the grabbing anchor 15 through a chain, the grabbing anchor 15 is fixedly grabbed to a fixed position, the submerged buoy floating ball 11 is a spherical floating body and provides buoyancy for the device, the upper end of the vertical anchor chain 13 is fixedly connected with the submerged buoy floating ball 11, the lower end of the vertical anchor chain is fixedly connected with the gravity anchor 14, the gravity anchor 14 is fixed on the seabed ground due to gravity, one end of the grabbing anchor 15 is connected with the gravity anchor 14, and the grabbing anchor 15 is placed on the seabed ground.

As shown in fig. 1-2, in a single submerged buoy mooring system 1, 3 groups of vertical anchor chains 13, gravity anchors 14, holding power anchors 15 and holding power anchors 15 are combined and evenly distributed along the central line of a floating ball at 150 degrees outside the device, a submerged buoy floating ball 11 provides buoyancy for a capturing system, the gravity anchors 14 and the holding power anchors 15 provide mooring points for the device, the tail end of the linear array capturing system has certain freedom, and the mooring systems have certain freedom, so that the array can adapt to the direction of ocean currents in the ocean currents, energy is obtained to the maximum degree, and the submerged buoy mooring system 1 has two groups which are respectively positioned at the head and the tail of the linear array capturing system.

The periphery of the submerged buoy mooring system 1 is provided with a submerged buoy support 16, a detection unit is arranged in the submerged buoy support 16, the detection unit is a marine observation point in the prior art, signals of the detection unit are connected to the linear array capture system through the armored optical cable 12, the submerged buoy mooring system 1 provides a marine observation instrument installation point, buoyancy and a mooring point, and the generator 22 provides electric power for the detection unit through ocean current.

In implementation, the linear array capture system is connected to the submarine cable through the armored optical cable 12, and the armored optical cable 12 is a combination of a steel cable and a submarine cable, and can bear tension force and simultaneously transmit power and information. One end of each armored optical cable 12 is fixedly connected with the submerged buoy floating ball 11, and the other end is hermetically connected with the front cabin body 211 or the rear cabin body 213 of the sealed cabin 21 of the capture system, as shown in fig. 2, each submerged buoy mooring system 1 is provided with two armored optical cables 12 which are in a symmetrical state.

The working principle of the tidal current energy power generation device with the submerged buoy for power supply is as follows:

1. in an initial state, the plurality of sealed cabins 21 are connected end to end through a joint system to form a long snake-shaped array, the front end of the first sealed cabin 21 and the tail end of the last sealed cabin 21 are respectively connected to a connecting mooring system, the submerged buoy floating ball 11 provides auxiliary buoyancy for the sealed cabin 21 array, and the mooring system provides mooring force.

2. Under the action of ocean current, cage type impellers 23 on two sides of the sealed cabin 21 are pushed to rotate, the impellers 23 drive rotating shafts 24 of the impellers 23 to rotate, and rotors of the disc type generators 22 are driven to rotate, so that electric energy is generated. The electric energy is converted into direct current through the rectifier bridge and the voltage conversion device, and then is transmitted to the shore through the cable.

3. Because each cabin body has a certain degree of freedom relative to the front object, the device can form a state of adapting to the flow of ocean current under the action of the ocean current and can adapt to the forward and reverse tidal current directions for power generation, thereby ensuring higher capture efficiency.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. The tidal current energy power generation device for subsurface buoy power supply is characterized in that: the system comprises a linear array capture system, wherein the linear array capture system is suspended at an implementation position through a submerged buoy mooring system (1), the linear array capture system comprises a plurality of single capture systems (2) which are sequentially and linearly arranged, every two single capture systems (2) are connected through a connecting system (3), each single capture system (2) comprises a sealed cabin (21), a generator (22) and an impeller (23), the generator (22) is fixedly installed in the sealed cabin (21), one end of each impeller (23) is fixedly installed at one end of a rotating shaft (24), the other end of each rotating shaft (24) penetrates through the sealed cabin (21) and is fixedly connected onto a transmission shaft of the generator (22), the periphery of each rotating shaft (24) is hermetically connected to the side wall of the sealed cabin (21), and every two adjacent sealed cabins (21) are connected through the connecting system (3).

2. The submersible buoy powered tidal current energy power generation device of claim 1, wherein: the generator (22) is a double-input disc type permanent magnet generator (22), two ends of the generator (22) are respectively fixedly sleeved with a rotating shaft (24), one end of each rotating shaft (24) is provided with an impeller (23), and a shaft seat is arranged in the sealed cabin (21) and used for supporting the periphery of the rotating shaft (24).

3. The submersible buoy powered tidal current energy power generation device of claim 2, wherein: one end of each rotating shaft (24) is uniformly distributed with a plurality of impellers (23) along the radial direction, each impeller (23) comprises a cage type support (231) and blades (232), one end of each cage type support (231) is fixedly connected to the periphery of the corresponding rotating shaft (24), and the blades (232) are installed at the other end of each cage type support (231).

4. The submersible buoy powered tidal current energy power generation device of claim 2, wherein: the sealed cabin (21) includes preceding cabin body (211) and the back cabin body (213) that well cabin body (212) both ends set up respectively, and preceding cabin body (211) and back cabin body (213) are arc shell structure, and well cabin body (212) are hollow circular cylinder structure, and generator (22) fixed mounting is to in the cabin body (212).

5. The submersible buoy powered tidal current energy power generation device of claim 1, wherein: the connecting system (3) comprises a joint frame (31), two ends of the joint frame (31) are respectively provided with a U-shaped groove, the two U-shaped grooves are perpendicular to each other, one end of the front connecting frame (32) and one end of the rear connecting frame (33) are hinged into the U-shaped groove through a joint shaft, and the other end of the front connecting frame (32) and the other end of the rear connecting frame (33) are fixedly connected to the periphery of a sealed cabin (21) respectively.

6. The submerged buoy powered tidal current energy power generation device of claim 1, wherein: the submerged buoy mooring system (1) comprises a submerged buoy floating ball (11), an armored optical cable (12), a vertical anchor chain (13), a gravity anchor (14) and a grabbing anchor (15), wherein the periphery of the submerged buoy floating ball (11) is fixedly connected to a linear array capture system through the armored optical cable (12), the periphery of the submerged buoy floating ball (11) is fixedly connected to one end of the vertical anchor chain (13), the other end of the vertical anchor chain (13) is fixedly connected to one end of the gravity anchor (14), the other end of the gravity anchor (14) is fixedly connected to the grabbing anchor (15) through a chain, and the grabbing anchor (15) is fixedly grabbed to a fixed position.

7. The submersible buoy powered tidal current energy power generation device of claim 6, wherein: the periphery of the submerged buoy mooring system (1) is provided with a submerged buoy support (16), a detection unit is arranged in the submerged buoy support (16), and signals of the detection unit are connected to the linear array capture system through armored optical cables (12).

8. The submersible buoy powered tidal current energy power generation device of claim 6, wherein: the linear array capture system is connected to the undersea cable by an armored optical cable (12).

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