CN100430595C

CN100430595C - Wheel cable type sea wave energy conversion apparatus

Info

Publication number: CN100430595C
Application number: CNB2006101369771A
Authority: CN
Inventors: 卢国林
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-12-28
Filing date: 2006-12-28
Publication date: 2008-11-05
Anticipated expiration: 2026-12-28
Also published as: CN101000030A

Abstract

The cable-wheel type sea wave energy converting equipment includes counterbalance block, floating body on sea, chain cable, turntable and balance weight. The turntable is fixed onto the floating body, and the chain cable wound onto the turntable has one end connected to the counterbalance block and the other end connected to the balance weight. The present invention has simple structure, convenient operation, low cost and high safety.

Description

Wheel cable type sea wave energy conversion apparatus

Technical field

The present invention is mainly concerned with energy conversion device, refers in particular to a kind of wheel cable type sea wave energy conversion apparatus.

Background technique

As everyone knows, 71% of earth surface is the ocean, and huge energy is being contained in the ocean.The Energy Conversion that the sun injects earth surface is that electric power is 1013KW, and wherein about 2/3 is ocean energy.Celestial bodies motion and interaction relative between the earth and the moon or the sun can make the ocean phenomenon that fluids such as trend, morning and evening tides flow occur, and the motion of fluid (comprising air-flow or other forms of fluid) forms wind-force, forms wave, wave current etc. again.The ocean is a kind of renewable energy sources of cleaning, and inexhaustible, nexhaustible.Serious day by day in recent years energy crisis forces people that attention diversion has been arrived Wave energy, and some country has successively built up the sea wave generator station of certain scale.Up to now, whole world application wave power generation patent is above thousand, wherein there is kind more than 20 to carry out sea trial, by following 3 types of belonging to basically of more employing: 1. the air energy---Wave energy is a kind of impact kinetic energy (different with the tidal power generation that utilizes potential energy), directly the generator for electricity generation of driven rotary must be carried out transformation of energy.And wave energy is converted to air can be a kind of of extensive use the most, i.e. air in the wave stroke extruding air chamber, and compressed air-driven strength turbo machine drives generator for electricity generation again.2. mechanical energy---can be undertaken by oil pressure when wave energy is converted to mechanical energy, promptly wave power impacts oscillator, and oscillator pump oil forms pressure oil, the rotation of oil pressure actuated motor, and drive generator for electricity generation.3. water potential---the bucket of interior Sheng seawater is fixed on the bank base by linkage mechanism, and bucket floats on the surface, after the rising of wave impact election bucket, turned over by connecting rod folding and the maritime interior waters that will struggle against is crossed dykes and dams and poured reservoir into, repeatedly effect repeatedly just utilizes the water-head between reservoir and the sea to come transmission low water head generator for electricity generation as tidal power generation.

Because there are deficiencies such as restriction, the capacity usage ratio that platform need be arranged on the bank are lower, platform security does not guarantee in present various device.And the energy of wave mainly concentrates on the high wave zone at deep-sea, nineteen ninety-five, Britain Wavegen company has ambitiously built " osprey " number Wave power generation device of 2 megawatts capacity in surrounding waters, Scotland, and " osprey " also not formally generating is just destroyed by strong storm.Have only the safety issue that solves sea wave energy conversion apparatus, reduce the cost of conversion equipment greatly, could utilize Wave energy widely is our human service.

Summary of the invention

The technical problem to be solved in the present invention just is: the technical problem at prior art exists the invention provides a kind of simple in structure, easy to operate, with low cost, guaranteed wheel cable type sea wave energy conversion apparatus of Security.

For solving the problems of the technologies described above, the solution that the present invention proposes is: a kind of wheel cable type sea wave energy conversion apparatus, it is characterized in that: it comprises counterweight block, is positioned at buoyancy aid and chain cable, rotating disk and balancing weight on the sea, rotating disk is fixed on the buoyancy aid by supporting mechanism, rope one end that is set around on the rotating disk links to each other with counterweight block, and the other end links to each other with balancing weight.

Described counterweight block is the counterweight block that is positioned at the seabed.

Described counterweight block is floated counterweight block, and this floated counterweight block comprises flat counterweight block body, grid and grid adjusting strip, and several grids are opened on the flat counterweight block body, and the activity of grid adjusting strip is installed in the grid.

The both sides of described counterweight block body are equiped with sealed compartment.

The two ends of described rotating disk are equiped with and are used for the coupling that links to each other with actuating device, and this coupling comprises just changes coupling and counter-rotating coupling.

Described supporting mechanism is a supporting base, the rotatingshaft at rotating disk two ends by bearing fixing on supporting base.

Compared with prior art, advantage of the present invention just is:

1, simple and compact for structure, with low cost, easy for installation, the safety durable of the present invention, this energy conversion device anti-storm very competent, solved the stable problem of long thin bar on the mechanics, made and utilize deep-sea billow generating or other forms of Wave energy utilization to become a reality;

2, the present invention chooses the counterweight block of approrpiate wts by theoretical calculation and test, and is designed to box-shaped and sinks to the seabed, both can play anchorage effect to buoyancy aid, can play the function of balanced body again; And when initial the installation, its transportation and sinking are free and relaxed especially, so it possesses performance easy for installation; Balancing weight of the present invention can be made into taper by lead, to reduce resistance to motion, reaches the purpose that improves mechanical efficiency;

3, the present invention is equiped with coupling respectively at the rotatingshaft at rotating disk two ends, directly link to each other by coupling with the input end of actuating device, so just the energy transfer that can directly will obtain from the process that wave rises and descends is given actuating device, realize the conversion of energy, have advantages such as simple, easy to operate, good reliability.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the structure for amplifying schematic representation of rotating disk part of the present invention;

Fig. 3 is a side-looking structural representation of adjusting barrier in another embodiment of the present invention;

Fig. 4 is a plan structure schematic representation of adjusting barrier among Fig. 3;

Fig. 5 is the generalized section at A-A place among Fig. 3.

Marginal data

1, counterweight block 2, rope

3, rotating disk 4, buoyancy aid

5, balancing weight 6, just change coupling

7, counter-rotating coupling 8, supporting base

9, bearing 10, the water surface

11, grid 12, grid adjusting strip

13, sealed compartment 14, counterweight block body

Embodiment

Below with reference to the drawings and specific embodiments the present invention is described in further details.

As depicted in figs. 1 and 2, wheel cable type sea wave energy conversion apparatus of the present invention, it comprises counterweight block 1, is positioned at buoyancy aid 4 and rope 2, rotating disk 3 and balancing weight 5 on the sea, rotating disk 3 is fixed on the buoyancy aid 4 by supporting mechanism, rope 2 one ends that are set around on the rotating disk 3 link to each other with counterweight block 1, the other end links to each other with balancing weight 5, and buoyancy aid 4 is floating at the water surface more than 10.Supporting mechanism in the present embodiment is a supporting base 8, and the rotatingshaft at rotating disk 3 two ends is fixed on the supporting base 8 by bearing 9.In the present embodiment, counterweight block 1 adopts the counterweight block that is positioned at the seabed, and this counterweight block 1 can be built by steel concrete and be formed, can be prefabricated into an airtight casing on the coast, transportation by driving sinks down into the seabed to the mounting zone of Wave energy converting system after pouring water again, and counterweight block 1 is still in the seabed during work.Rope 2 adopts iron chains or wire rope, and the one end is connected with the counterweight block 1 in seabed, and stretch out on the rotating disk 3 that the sea is set around buoyancy aid 4 tops the centre, and the other end enters in the seawater again and links to each other with balancing weight 5.In the present embodiment, the two ends of rotating disk 3 are equiped with and are used for the coupling that links to each other with actuating device, as gear coupling etc., this coupling comprises just changes coupling 6 and counter-rotating coupling 7, and the transmission of power that produces when being used for rotating disk 3 forward or reverse is to the power intake of actuating device.Working principle: the phugoid motion of wave will drive buoyancy aid 4 upper and lower motions, because counterweight block 1 is heavy more a lot of than balancing weight 5, balancing weight 5 will be done upper and lower motion along with wave, thereby driving rotating disk 3 rotates, the coupling at rotating disk 3 two ends passes to other devices with the mechanical energy that obtains, changes once more with the realization mechanical motion or with energy, such as, load onto electricity generating device and just can convert electric energy to, load onto sea water desalinating unit and just can produce fresh water and salt.In another embodiment, referring to Fig. 3, Fig. 4 and shown in Figure 5, counterweight block 1 of the present invention can also adopt floated counterweight block, makes the proportion of counterweight block 1 be slightly larger than sea water specific gravity.This floated counterweight block 1 comprises flat counterweight block body 14, grid 11 and grid adjusting strip 12, and some bar gratings 11 are opened on the flat

counterweight block body

14, and 12 activities of grid adjusting strip are installed in the grid 11; In preferred embodiment, also can be equiped with sealed compartment 13 in the both sides of counterweight block body 14, be used for improving the buoyancy of floated counterweight block 1.Counterweight block body 14 can adopt reinforced concrete or steel structure, just needn't consider sealed compartment 13 with the words of lightweight concrete, and steel structure then needs sealed compartment 13 that buoyancy is provided.Grid adjusting strip 12 is installed in the reserved location of grid 11, and grid adjusting strip 12 can be realized stretching out and withdrawing by automatic controller, finishes the adjustment of grid 11 sizes.Floated counterweight block 1 in seawater along with wave can be done by a small margin upper and lower motion, and can change its height in seawater, by adjusting the flow cross-section that grid adjusting strip 12 changes counterweight block body 14, resistance when making upper and lower moving changes, and reaches the purpose of adjusting counterweight block body 14 height.If will heighten counterweight block body 14, then when wave rises, strengthen the flow cross-section of grid 11, wave reduces the flow cross-section of grid 11 when descending.Because its planar dimension is big, resistance to motion is much larger than the resistance to motion of balancing weight 5, and with respect to the motion of balancing weight 5, so the motion of counterweight block 1 can be considered static.The benefit of this floated counterweight block is embodied in: the one, floated counterweight block 1 can be placed the highly nearer depth bounds of wave influence, and significantly reduced the length of rope, saved cost; The 2nd, by adjusting the grid gap, can change the speed that moves up and down and the height of counterweight block 1, make stressed buffering, the more stable work of obtaining of each parts of conversion equipment.The working principle of this floated counterweight block and last embodiment are basic identical, do not repeat them here.

Claims

1, a kind of wheel cable type sea wave energy conversion apparatus, it is characterized in that: it comprises counterweight block (1), is positioned at buoyancy aid (4) and rope (2), rotating disk (3) and balancing weight (5) on the sea, rotating disk (3) is fixed on the buoyancy aid (4) by supporting mechanism, rope (2) one ends that are set around on the rotating disk (3) link to each other with counterweight block (1), and the other end links to each other with balancing weight (5); Described counterweight block (1) is floated counterweight block, this floated counterweight block comprises flat counterweight block body (14), grid (11) and grid adjusting strip (12), several grids (11) are opened on the flat counterweight block body (14), and grid adjusting strip (12) activity is installed in the grid (11).

2, wheel cable type sea wave energy conversion apparatus according to claim 1 is characterized in that: the both sides of described counterweight block body (14) are equiped with sealed compartment (13).

3, wheel cable type sea wave energy conversion apparatus according to claim 1 and 2 is characterized in that: the two ends of described rotating disk (3) are equiped with and are used for the coupling that links to each other with actuating device, and this coupling comprises just changes coupling (6) and counter-rotating coupling (7).

4, wheel cable type sea wave energy conversion apparatus according to claim 1 and 2 is characterized in that: described supporting mechanism is a supporting base (8), and the rotatingshaft at rotating disk (3) two ends is fixed on the supporting base (8) by bearing (9).

5, wheel cable type sea wave energy conversion apparatus according to claim 3 is characterized in that: described supporting mechanism is a supporting base (8), and the rotatingshaft at rotating disk (3) two ends is fixed on the supporting base (8) by bearing (9).