CN2113357U

CN2113357U - Wave energy utilization device

Info

Publication number: CN2113357U
Application number: CN92200654U
Authority: CN
Inventors: 祝永彬
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-01-15
Filing date: 1992-01-15
Publication date: 1992-08-19

Abstract

The utility model relates to a floating type wave energy collection and utilization device, comprising a floating body, a system device and an energy conversion device. The utility model is characterized in that the floating body is a pressure vessel, the floating body can move with waves, a drive lever on the floating body is pulled by a chain on a mooring device, high pressure air is pressed in the floating body via an oil pump, an energy accumulator and a jacket plug compressor with reduced diameter, and an air motor and a generator are driven to generate electricity. The device is not influenced by the change of tide and the size of amplitude, and the device can moor in sea for continuous normal work.

Description

Wave energy utilization device

It is the mechanical device of characteristics that the utility model relates in to utilize wave energy, particularly a kind of float type wave power utilization device.

Wave has unlimited energy.How with these transformation of energy, collect and be used, be the target that people pursue for many years.From the wave motion of water body, extract the device of energy, as the power generation system of U. S. Patent 4398095 disclosed float type waves excitations be utilize be anchored at a water bottom piston---the pump type pump extracts wave energy.Chinese patent GK87104861 is disclosed to be a kind of to the improved invention in addition of above-mentioned U. S. Patent, designed with the mechanical tensioning device of resilience pulling force and the entrance and exit safety check of pump etc. between maintenance piston and pump, started hydroelectric generator to utilize high-pressure water flow.

Take an overall view of invention disclosed scheme, all can not adapt to the variation of tidal fluctuations and wave amplitude basically well, be difficult to practical application.

The purpose of this utility model provides a kind of adaptation tidal fluctuations, no matter the wave power utilization device that the wave amplitude size can both continuous firing.

To achieve these objectives, designed a kind of swimming on the water surface, by the wave power utilization device that buoyancy aid, tie-down fitting and energy conversion device constitute, its buoyancy aid is a Pressure Container, have on the buoyancy aid proofread and correct crest, make buoyancy aid maintenance level be T-shaped rudder plate with buoyancy aid; The fulcrum of the driving lever in the energy conversion device places on the buoyancy aid, the driving lever two ends respectively with place buoyancy aid on air compressor and the piston rod of plunger-type fuel pump link to each other, air compressor communicates with buoyancy aid, plunger-type fuel pump communicates with accumulator, one stock oil cylinder is arranged on the driving lever, stock oil cylinder push rod links to each other with tie-down fitting by the rope chain on driving lever one head sheave, the limited pressing spring in cylinder barrel bottom and the tooth bar of stirring fuel feeding switch and oil drain cock of stock oil cylinder, the fuel feeding switch is contained on the pipeline that is connected accumulator and stock oil cylinder with oil drain cock; The sub-cylinder that the air cylinder of air compressor is successively decreased by plural piston area is socketed to form, there is suction valve to communicate on the sub-cylinder piston of one-level with inlet hole on the cylinder cap, the sub-cylinder piston that secondary and secondary are later and outlet valve is arranged above the cylinder bottom, with flexible locating stud on the cylinder barrel of the later sub-cylinder piston locked position corresponding part of one-level, the surface push-rod of passing elastic positioning pin is arranged on each the sub-cylinder piston before the final stage; Tie-down fitting is formed by being fastened on stanchion on the water-bed sea bed or heavy thing and rope chain.

This model utility wave power utilization device is arranged in the seawater of any degree of depth, the floating water surface of buoyancy aid, and tie-down fitting is with its downward tension.When gushing on the wave, buoyancy aid makes progress thereupon, and the rope chain of tie-down fitting affects driving lever, makes plunger-type fuel pump to the accumulation of energy of accumulator pump oil.When wave fell, buoyancy aid descended, the rope chain loosens, and accumulator is emitted the anti-plunger-type fuel pump that pushes away of high pressure oil stream, drives the piston gas-pressing that driving lever makes air compressor, and high-pressure air is pressed into buoyancy aid.Wave energy promptly converts the pressure energy in the buoyancy aid to like this, can directly do work, generates electricity or export utilization, and is very convenient.

For, wave not of uniform size the uplift force of buoyancy aid is reduced from the trough to the crest gradually because of wave amplitude, long or the short problem of piston stroke meeting of air compressor and oil pump, the air cylinder that the sub-cylinder that is successively decreased by piston area of the air compressor that the utility model is designed is socketed to form can be calmed the anger step by step, supercharging, no matter the wave size can both make the pressurized air in the buoyancy aid keep normal working pressure.And the stock oil cylinder of band pressure limiting spring can be operated the fuel feeding switch when tide bulge and fall and oil drain cock is regulated cylinder putter length, makes buoyancy aid keep specified water displacement, proper functioning.

As an embodiment of the present utility model, its energy conversion device also comprises and placing on the buoyancy aid, and buoyancy aid pressure can be directly changed into the gas motor and the generator of mechanical energy and electric energy, and structure is more compact.

In order to keep the working pressure of accumulator more reliably, subpost plug oil pump can be set under driving lever again, simultaneously accumulator is divided into two body twin-stages, subpost plug oil pump communicates with the secondary accumulator.

Preferably three of the stanchion of tie-down fitting or heavy things, triangle place the meeting point of sea bed, three mooring guy chains near buoyancy aid (time of low water), make buoyancy aid vertical as far as possible with the mooring center.

Embodiment further describes the utility model below in conjunction with accompanying drawing.

Fig. 1 is the utility model embodiment float type wave energy generating set schematic representation.

Fig. 2 is the undergauge cover plug air cylinder schematic representation of air compressor among the utility model embodiment.

As shown in Figure 1, buoyancy aid 1 is a Pressure Container, and its shape is oblate, a long tube etc.Driving lever pillar 8 is set on the buoyancy aid 1, air compressor 3, main plunger oil pump 19, one-level accumulator 17, secondary accumulator 18, gas motor 21 and generator 20 etc., driving lever 4 one ends have pulley 16, by balladeur train 5 stock oil cylinder 11 are installed on the driving lever 4, the push rod 6 of stock oil cylinder 11 is connected with rope chain 15, rope chain 15 is walked around pulley 16, passes buoyancy aid 1 and links to each other with the collar 30 of tie-down fitting, and the collar 30 ties up on the stanchion 28 on the sea bed 27 by drag-line 29.Rudder plate 31 is arranged on the buoyancy aid 1.Buoyancy aid 1 floating sea, 15 tensionings of rope chain, when buoyancy aid 1 with wave come-up, driving lever 4 promotes the secondary accumulator 18 pumps oil accumulation of energy of main plunger oil cylinders 19.When buoyancy aid 1 was floated downward with wave, rope chain 15 loosened, and the high pressure oil streams in the secondary accumulator 18 return main plunger oil pump 19, on push away driving lever 4, the air compressor 3 that makes driving lever 4 the other ends is to buoyancy aid 1 compressed air.Work and so forth.Press the high-pressure air of storage in buoyancy aid 1, through oil and water seperator 26, cut air valve 25, pressure regulator valve 24, oil sprayer 23, driving gas motors 21 such as distributing valve 22 drive generator 20 generatings again.When tide bulge and fall, rope chain 15 suffered tension force surpass or less than setting value, stock oil cylinder 11 can transposed about on the slide 10 under the control of the pressure limiting spring 12 at its rear portion, and promotion tooth bar 14, stir fuel feeding, oil drain cock 13, the push rod 6 of stock oil cylinder 11 is elongated or shortened,, keep its working tension to regulate the length of rope chain 15.Also can be by air valve 2 with the output of the high-pressure air in the buoyancy aid 1.The effect of the subpost plug oil pump 9 below the driving lever 4 is to one-level accumulator 17 pump oil, so that keep the working pressure of secondary accumulator 18 reliably, drop tank 7 links to each other with secondary accumulator 18.

As shown in Figure 2, the undergauge of air compressor cover plug air cylinder is by cylinder barrel 46, the sub-cylinder piston 32 of one-level, and 35, three grades of sub-cylinder pistons 39 of the sub-cylinder piston of secondary are at the bottom of the cylinder 41 and composition such as cylinder cap 44.There is the inlet hole 45 on suction valve 43 and the cylinder cap 44 to communicate on the sub-cylinder piston 32 of one-level, on the sub-cylinder piston of secondary 35, three grades of sub-cylinder pistons 39 and the cylinder bottom 41 outlet valve 36,40 and 42 arranged.Flexible locating stud 34 and 38 on the cylinder barrel 46.On the sub-cylinder piston 32 of one-level surface push-rod 33 is arranged, on the sub-cylinder piston 35 of secondary surface push-rod 37 is arranged.When the sub-cylinder piston 32 of one-level is pushed, the sub-cylinder piston 35 of secondary is motionless by elastic positioning pin 34 lockings, until the pressurized air between sub-cylinder piston of one-level and the sub-cylinder piston 35 of secondary through outlet valve 36 compress fully discharge after, surface push-rod 33 makes elastic positioning pin 34 retraction cylinder barrels 46, the sub-cylinder piston 35 of secondary just moves with the sub-cylinder piston 32 of one-level, at this moment, three grades of sub-cylinder pistons 39 are still motionless by elastic positioning pin 38 lockings, until the pressurized air between the sub-cylinder piston 35 of secondary and the three grades of sub-cylinder pistons 39 through outlet valve 40 compress fully discharge after, surface push-rod 37 just moves 46, three grades of sub-cylinder pistons 39 of elastic positioning pin retraction cylinder barrel and calms the anger.Spring 47 between each sub-cylinder piston can make each piston classification return, like this, and wave amplitude size no matter, but the equal proper functioning of air compressor.

Claims

1, a kind of swimming on the water surface, the wave power utilization device by buoyancy aid, tie-down fitting and energy conversion device constitute is characterized in that:

A, said buoyancy aid are Pressure Containers, have on the buoyancy aid proofread and correct crest, make buoyancy aid maintenance level be T-shaped rudder plate with buoyancy aid;

B, the fulcrum of the driving lever in the said energy conversion device places on the buoyancy aid, the driving lever two ends respectively with place buoyancy aid on air compressor and the piston rod of plunger-type fuel pump link to each other, air compressor communicates with buoyancy aid, plunger-type fuel pump communicates with accumulator, one stock oil cylinder is arranged on the driving lever, stock oil cylinder push rod links to each other with tie-down fitting by the rope chain on driving lever one head sheave, the limited pressing spring in cylinder barrel bottom and the tooth bar of stirring fuel feeding switch and oil drain cock of stock oil cylinder, the fuel feeding switch is contained on the pipeline that is connected accumulator and stock oil cylinder with oil drain cock;

C, said tie-down fitting form by being fastened on stanchion on the water-bed sea bed or heavy thing and rope chain;

The sub-cylinder that the air cylinder of d, said air compressor is successively decreased by plural piston area is socketed to form, there is suction valve to communicate on the sub-cylinder piston of one-level with inlet hole on the cylinder cap, the sub-cylinder piston that secondary and secondary are later and outlet valve is arranged above the cylinder bottom, with flexible locating stud on the cylinder barrel of the later sub-cylinder piston locked position corresponding part of one-level, the surface push-rod of passing elastic positioning pin is arranged on each the sub-cylinder piston before the final stage.

2, wave power utilization device according to claim 1 is characterized in that said energy conversion device also comprises to place the gas motor and the generator that can convert mechanical energy and electric energy on the buoyancy aid, with the pressure in the buoyancy aid to.