CN210284529U

CN210284529U - Multi-stage power supply buoy with central pipe

Info

Publication number: CN210284529U
Application number: CN201921073719.2U
Authority: CN
Inventors: 张亚群; 盛松伟; 梁贤光; 叶寅
Original assignee: Guangzhou Institute of Energy Conversion of CAS
Current assignee: Guangzhou Institute of Energy Conversion of CAS
Priority date: 2019-07-10
Filing date: 2019-07-10
Publication date: 2020-04-10
Anticipated expiration: 2029-07-10

Abstract

The utility model discloses a multi-stage power supply buoy with a central pipe, which comprises a solar cell panel, a lamp bracket, a main buoy and a central pipe; the solar cell panel can be arranged at the top end of the lamp holder or attached to the upper surface of the main buoy; the central pipe comprises a main straight pipe, a flared pipe with a thin upper part and a thick lower part and a straight tail pipe which are connected in sequence; the center of the main floating cylinder is provided with a through hole, and the main floating cylinder is sleeved on the main straight pipe through the through hole; the upper end of the main straight pipe is provided with a flange with a mounting hole, one or more oscillating water column type wave energy power generation devices can be mounted on the flange, and the bottom of each oscillating water column type wave energy power generation device is communicated with the central pipe; the lamp bracket is also provided with a storage battery. The utility model discloses a multistage installation power of single buoy has solved the long-term power supply of different electric quantity demand buoys, has maintained the inconvenient scheduling problem of maintenance, has guaranteed the continuation of buoy work, has reduced the maintenance cost of buoy, has ensured the security of buoy maintenance work.

Description

Multi-stage power supply buoy with central pipe

Technical Field

The utility model relates to a ocean renewable energy utilizes technical field, concretely relates to utilize wave energy and solar energy power generation's buoy that can realize multistage power supply.

Background

The buoy is a structure floating on the water surface and is mainly used for monitoring marine hydrology, hydrodynamic force, meteorology and water quality on the water surface, navigation aids and the like. The energy sources of the buoy mainly comprise conventional electric energy and renewable electric energy. The conventional electric energy is usually supplied by a storage battery, and the storage battery needs to be replaced periodically; there is also a scheme of supplying power to the buoy from shore-based electric energy through an underwater cable, and the underwater cable needs to be laid. The renewable electric energy is used for supplying power to the buoy by using the electric energy generated by renewable natural energy, has the advantages of on-site energy collection and power generation, avoidance of battery replacement or underwater cable laying, cleanness, no pollution, abundant reserves, sustainable utilization, long maintenance period, convenience in use and the like, and has great development potential. The renewable natural energy sources used by the existing buoy are mainly solar energy and wave energy.

The solar buoy converts solar energy into electric energy by using the solar cell and stores the electric energy in the storage battery for the buoy to use. The solar cell is widely applied to the buoy at present, and the advantages mainly comprise: the material is renewable, noiseless and pollution-free; the equipment is simple and has no moving parts; the service life is long, and the maintenance is simple; the output power is relatively stable. Its shortcoming is that it is influenced by weather and installation angle greatly, is destroyed easily.

The wave energy buoy generates electricity by means of wave energy, and the buoy continuously supplies power to the storage battery by means of wave electricity generated around the buoy. The wave energy is a renewable energy source with large content, high quality, cleanness and all weather, and meanwhile, the buoy is mainly a floating device applied to the sea or river, the energy self-sufficiency of the buoy is realized by utilizing the wave energy to generate electricity, and the buoy has convenience, feasibility and operability.

From the current state of the art, the supply of buoy energy determines its functional diversification and the sea area in which it is used. Typically, the power supplied to the buoy is permanently fixed after production is complete. Once the power supply of the buoy is determined, the marine instruments which can be carried by the buoy are limited and cannot be flexibly adjusted according to the change of actual requirements.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides a solar energy and wave energy complementary multi-stage power supply buoy with a central tube, which concentrates solar energy and 1 or more oscillating water column type wave energy modules on one buoy to realize the comprehensive utilization of the wave energy and the solar energy, thereby improving the comprehensive utilization rate of ocean renewable energy and reducing the buoy cost; in addition, the buoy can flexibly select the number of the wave energy power generation devices and the solar cell panels to be installed, the installed power of the buoy can be adjusted in multiple stages, the energy supply capacity of the buoy is improved, the position of the buoy using area is expanded, and further the diversification of the buoy function is realized.

In order to achieve the above object, the utility model adopts the following technical scheme:

a multi-stage power supply buoy with a central pipe comprises a solar cell panel, a lamp bracket, a main buoy and the central pipe; the solar cell panel is arranged at the top end of the lamp holder or attached to the upper surface of the main buoy; the central pipe comprises a main straight pipe, a flared pipe with a thin upper part and a thick lower part and a straight tail pipe which are connected in sequence; the center of the main floating cylinder is provided with a through hole, and the main floating cylinder is sleeved on the main straight pipe through the through hole; the upper end of the main straight pipe is provided with a flange with a mounting hole, one or more oscillating water column type wave energy power generation devices are mounted on the flange, and the bottom of each oscillating water column type wave energy power generation device is communicated with the central pipe; and the lamp bracket is also provided with a storage battery which is electrically connected with the solar cell panel and the oscillating water column type wave energy power generation device.

As an improvement of the utility model, the center tube upper end be equipped with to the central shrink air flue that contracts gradually, the flange setting is at shrink air flue top surface.

As an improvement of the utility model, the flange on set up one or more oscillating water column type wave energy device mounting hole.

As an improvement of the utility model, the bottom surface of the main buoy is provided with at least one mooring plate connected with the outer wall of the trumpet tube. The buoy is integrally anchored at the water bottom by the matched anchor block through an anchor chain moored on the mooring plate.

As an improvement of the utility model, the straight tail pipe on have a plurality of ballast bodies along radial interval arrangement.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the design of the central tube with the bell mouth is adopted, the bell mouth design of the central tube can not only enlarge the capture amount of wave energy and accelerate the rising speed of waves in the central tube, but also increase the total amount of air in an air chamber in the wave energy device and increase the wave energy conversion efficiency of the wave energy device.

2. The design of the central pipe with the straight tail pipe is adopted, and when the buoy does heaving motion, the straight tail pipe of the central pipe forms a wave gathering effect on one hand, and plays a role in stabilizing the buoy on the other hand, so that the motions of the buoy in other directions except the plumb direction are inhibited, the wave energy capturing performance is improved, and the stability of the buoy is maintained.

3. Under the condition of not changing the structure and the floating state of the buoy, the buoy can be provided with one or more wave energy power generation devices to form buoys with different installed powers, electric equipment with different electricity consumptions is carried, the buoy is suitable for sea areas with different wave conditions, the installed power of the buoy can be flexibly and conveniently changed, and the design, operation and maintenance costs of the buoy are reduced.

4. The buoy can adopt all mooring forms including a single-point mooring form, special requirements on the mooring form of the buoy cannot be provided due to the wave energy power generation device, and great difficulty cannot be brought to launching.

5. Wave energy and solar energy are used as energy sources, complementarity of two renewable energy sources is utilized, the service life of the storage battery is prolonged, and the continuity of buoy work is improved.

6. The cavity of the main buoy of the buoy can adjust the buoyancy, the floating state of the buoy under different working states is controlled, the buoy is suitable for working in sea areas with different water depths, and the environmental adaptability of the buoy is improved.

Drawings

Fig. 1 is a front view of the float of the present invention;

fig. 2 is a first schematic view of the installation of the wave power generation device of the buoy of the invention;

fig. 3 is a schematic view of the installation of the wave power generation device of the buoy of the present invention;

description of reference numerals: 1-a solar panel; 2-a lamp holder; 3-a numerical control system; 4-a storage battery; 5-oscillating water column type wave energy power generation device; 6-a flange; 7-contracting the airway; 8-a main pontoon; 9-a central tube; 91-main straight pipe; 92-a flare; 93-straight tail tube; 10-mooring plates; 11-ballast body.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

As shown in fig. 1, the utility model discloses a take multistage power supply buoy of center tube, including solar cell panel 1, lighting fixture 2, numerical control system 3, battery 4, oscillating water column type wave energy power generation facility 5, main flotation pontoon 8, center tube 9 and anchor system.

The main buoy 8 is a circular hollow structure with a through hole at the center, floats on the water surface, and partially exposes out of the water surface, and the figure 1 shows the normal working state of the buoy in water. The lamp holder 2 is of a truss structure and is fixed on the top surface of the main buoy 8. The solar cell panel 1 is arranged at the top end of the lamp holder 2, and the numerical control system 3 and the storage battery 4 are arranged on different layered structures of the lamp holder 2. The central tube 9 comprises three parts, namely a main straight tube 91, a flared tube 92 with a thin upper part and a thick lower part, and a straight tail tube 93 from top to bottom. The main straight pipe 91 has the same height as the main buoy 8, and the main buoy 8 is sleeved on the main straight pipe 91 through a central through hole. The flare tube 92 is located at the lower end of the main buoy 8 and is an extension structure of the main straight tube 91. The straight tail tube 93 is an extension of the flare tube 92 and is located at the lowest end of the buoy in the plumb direction. At least one mooring plate 10 connected with the outer wall of the flared tube 92 is arranged at the bottom of the main buoy 8, and an anchor block matched with the buoy integrally anchors the buoy at the bottom of the water through an anchor chain moored on the mooring plate 10. The inner wall of the straight tail pipe 93 is provided with a plurality of ballast bodies 11 at intervals along the radial direction, the weight and the geometric shape of the ballast bodies 11 can be selected according to the floating state, the buoyancy and the weight of the buoy, and finally the overall floating state of the buoy is adjusted to the designed position, and the normal motion response of the buoy in the waves is maintained.

The upper end of the main straight pipe 91 is provided with a contraction air passage 7 which gradually contracts towards the center, the top surface of the contraction air passage 7 is provided with a flange 6, and the oscillating water column type wave power generation device 5 is arranged on the flange 6 and is communicated with the central pipe 9 through a mounting hole in the flange 6. As shown in fig. 2 and 3, the number of the oscillating water column type wave energy power generation devices 5 is variable from 1 to a plurality, and the oscillating water column type wave energy power generation devices can also be arranged asymmetrically. A plurality of mounting holes for the oscillating water column type wave energy power generation devices are reserved in the flange 6, if only one wave energy power generation device is mounted on the buoy, the contraction air passage 7 can be mounted, if 2 or more wave energy power generation devices are mounted on the buoy, the contraction air passage 7 can be removed, and the mounting holes which are not used in the flange 6 need to be sealed. The oscillating water column type wave energy power generation device 5 is commercially available, under the action of waves, the buoy integrally carries out repeated vertical heaving motion, so that a water column in the central tube 9 makes relative oscillating motion in the tube, the water column surface of the oscillating motion is equivalent to a piston, air in the central tube 9 is pushed to reciprocate, air in an air chamber obtains kinetic energy, and the moving air pushes an air turbine to rotate through a nozzle in the oscillating water column type wave energy power generation device 5, so that a generator is driven to generate electricity.

The solar cell panel 1 and the oscillating water column type wave energy power generation device 5 are electrically connected with the storage battery 4. The number of the oscillating water column type wave energy power generation devices 5 and the solar cell panels 1 arranged on the buoy can be determined according to the power of the carried electric equipment and the wave conditions of the throwing place. Electric energy obtained by using wave energy and solar energy is provided for electric equipment on the buoy and stored in the storage battery 4. The solar cell panel 1 can also be mounted on the upper surface of the main buoy 8 in a patch manner.

It is thus clear that the utility model discloses take multistage power supply power buoy of center tube has that power supply power control range is wide, simple structure, weight are little, can put in advantages such as convenient, maintainability is high, environmental suitability is good, and multiple energy complements each other, has ensured the continuation of buoy work, can make buoy running cost reduce by a wide margin. Meanwhile, the buoy is of a frame structure, the motion direction of effective energy harvesting is the same as the wave height change direction, the storm-sheltering capability of the buoy is greatly improved, the buoy can run for a long time without being damaged, and the safety of daily maintenance work of the buoy is ensured.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a take multistage power supply buoy of center tube which characterized in that: comprises a solar cell panel (1), a lamp bracket (2), a main buoy (8) and a central tube (9); the main buoy (8) floats on the water surface, the lamp holder (2) is arranged on the top surface of the main buoy (8), and the solar panel (1) is arranged at the top end of the lamp holder (2) or attached to the upper surface of the main buoy (8); the central tube (9) comprises a main straight tube (91), a flared tube (92) with a thin upper part and a thick lower part and a straight tail tube (93) which are connected in sequence; a through hole is formed in the center of the main floating cylinder (8), and the main floating cylinder (8) is sleeved on the main straight pipe (91) through the through hole; a flange (6) is arranged at the upper end of the main straight pipe (91), one or more oscillating water column type wave energy power generation devices (5) are mounted on the flange (6), and the bottoms of the oscillating water column type wave energy power generation devices (5) are communicated with a central pipe (9); and the lamp holder (2) is also provided with a storage battery (4) which is electrically connected with the solar panel (1) and the oscillating water column type wave energy power generation device (5).

2. The multi-stage, centrally located, electrically powered buoy of claim 1, wherein: the upper end of the central pipe (9) is provided with a contraction air passage (7) which gradually contracts towards the center, and the flange (6) is arranged on the top surface of the contraction air passage (7).

3. The multi-stage, centrally located, electrically powered buoy as claimed in claim 1 or 2, wherein: and one or more oscillating water column type wave energy device mounting holes are formed in the flange (6).

4. The multi-stage, centrally located, electrically powered buoy of claim 1, wherein: the bottom surface of the main buoy (8) is provided with at least one mooring plate (10) connected with the outer wall of the flared tube (92).

5. The multi-stage, centrally located, electrically powered buoy of claim 1, wherein: and a plurality of pressure carriers (11) are arranged on the straight tail pipe (93) at intervals along the radial direction.