CN209586580U

CN209586580U - A kind of wave energy generating set

Info

Publication number: CN209586580U
Application number: CN201821589827.0U
Authority: CN
Inventors: 汪涛; 杜浩浩
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-09-28
Filing date: 2018-09-28
Publication date: 2019-11-05
Anticipated expiration: 2028-09-28

Abstract

The utility model discloses a kind of wave energy generating sets, including main structure, generating set and piston component, the main structure is hollow cylinder structure, and bottom circumferentially has outer, the lower end of outer is uniformly fixed with several support columns, the fixed waters off shore of support column；Main structure upper end cavity is divided into upper hydraulic cylinder and lower hydraulic cylinder by intermediate bulkhead, and the piston component is made of upper end piston, connection piston and lower end water storage piston, has storage cavity in the water storage piston of lower end；The center of intermediate bulkhead is equipped with hollow support column, and the generating set is mounted on hollow support column inner upper end by generating set mounting bracket, the channel communicated with upper hydraulic cylinder internal cavity is offered at the top of hollow support column；The two sides of hollow support column are symmetrically installed with plunger, and plunger passes through the oil return hole opened up on intermediate bulkhead.The utility model capacity usage ratio is high, and generating efficiency is high, is readily disassembled and part exchanging, maintenance cost are low.

Description

A kind of wave energy generating set

Technical field

The utility model relates to a kind of power generator, and in particular to a kind of wave energy generating set belongs to generation of electricity by new energy Technical field.

Background technique

From wind-force, wind-force acts on seawater and gives the acceleration of wave bring by a thousand li ten thousand is inner wave energy, makes wave With very big energy, but since wave energy has biggish pulsating nature, it can not be applied to electricity generation system, turned in energy After the wave energy of capture is converted mechanical energy by changing device, usually also need to set between generator and wave energy conversion device It sets energy output system and carrys out peak load shifting, thus the input power of stable generator, not only structure is complicated for this system, Er Qiezhuan Change low efficiency.

Application No. is 201711042907.4 Chinese invention patents to provide a kind of fluid pressure type wave-power device, uses Floating body collects floating up and down for wave, and converts energy into electric energy by the power switching device between floating body and generator, Power switching device includes hydraulic cylinder, the first control valve, accumulator, fuel tank and hydraulic motor, and floating body floats up and down with hydrodynamic pressure The piston rod of cylinder moves up and down；The piston rod of hydraulic cylinder, which moves up and down, is pumped to accumulation of energy by control valve for the hydraulic oil in fuel tank Hydraulic oil driving hydraulic motor rotation in device, in accumulator；Hydraulic motor is connected by power generator and can driven generator hair Electricity work acquires the energy of wave by using the hydraulic cylinder of lasting fuel feeding, and by accumulator and hydraulic motor to hair Motor uni-directionally drives power generation.This electricity generation system carries out energy storage power generation by hydraulic system oil circuit, and energy is successively converted For mechanical energy, hydraulic energy, mechanical energy and electric energy, centre experienced multiple energy conversion stages, greatly reduce generating efficiency；Together When need to be arranged the power control units such as solenoid valve, once some component malfunction, which will result in total system, cannot achieve hair Electricity, stability are poor；Floating body is placed in top in device, separates with generating equipment, takes up a large area, higher cost.

And generator used by wave-energy power generation is Double-directional rotary mostly in the prior art, passes through generator coil Rotation, cutting magnetic induction line start power generation operation, however need when generator Double-directional rotary by one-directional rotation-one-directional rotation The process of braking-opposite direction starting-opposite direction rotation, the huge inertia for needing to overcome in braking process, causes the damage of energy The abrasion of consumption and generator components.

Summary of the invention

In order to overcome various deficiencies of the existing technology, the utility model provides a kind of wave energy generating set, energy Utilization rate is high, and occupied area is smaller, and cost is relatively low, and generating efficiency is high.

To solve the above-mentioned problems, a kind of wave energy generating set of the utility model, including main structure, generating set and Piston component, the main structure are hollow cylinder structure, and bottom circumferentially has outer, if the lower end of outer is uniformly fixed with Heavenly Stems and Earthly Branches dagger, the fixed waters off shore of support column；Main structure upper end cavity is divided into upper hydraulic cylinder and lower liquid by intermediate bulkhead Cylinder pressure, the piston component are made of upper end piston, connection piston and lower end water storage piston, and the surface area of upper piston is less than lower end The surface area of water storage piston, upper end piston are arranged in lower hydraulic cylinder, and outer diameter hydraulic cylinder bore under matches and in upper end Piston and lower hydraulic cylinder contact site are set to sealing ring, and the fixed restraining position ring block in the bottom of lower hydraulic cylinder cavity is living for limiting upper end The stroke of plug is connected between upper end piston and lower end water storage piston by connecting piston, has water storage empty in the water storage piston of lower end Chamber, the bottom of storage cavity offer water injection hole, and water injection hole blocks sealing by water storage plunger and sealing rubber ring；Intermediate bulkhead Center hollow support column is installed, the generating set is mounted on hollow support column inside by generating set mounting bracket It holds, offers the channel communicated with upper hydraulic cylinder internal cavity at the top of hollow support column；The two sides of hollow support column are symmetrically installed There is plunger, plunger passes through the oil return hole opened up on intermediate bulkhead, and is fixed with cone rubber plug, cone rubber in the lower end of plunger The bottom of plug is fixed with permanent strong magnetic iron, and plunger upper part is set with compressed spring, and bottom and the intermediate bulkhead of compressed spring are fixed, The upper end of compressed spring is connected with the limit plate of plunger head；The intermediate bulkhead is made of non-magnet material, and the upper end is living Plug is made of permeability magnetic material, and the cavity of lower hydraulic cylinder is provided with hydraulic oil.

When original state, plunger is total by plunger self gravity, the elastic force of compressed spring and the upward buoyancy of hydraulic oil Same-action blocks the cone rubber plug of plunger base at two oil return holes of intermediate bulkhead；Storage in the water storage piston of lower end Water cavity is packed into a certain amount of water as needed, since the present apparatus is arranged on offshore place waters, works as flood tide or wave Come when attacking, as the depth that device is flooded increases, i.e., the displacement of volume of piston increases, the piston buoyancy upward by one, Just will push piston component when buoyancy is greater than the gravity of piston component and integrally move up, as upper end piston moves up, plunger by The resultant force of the upward power generated to the pressure difference between the upward power of spring and lower hydraulic cylinder and upper hydraulic cylinder, at this time taper Rubber stopper tightly blocks oil return hole, and the hydraulic oil in lower hydraulic cylinder can only enter upper hydraulic cylinder, hydraulic oil by hollow support column Generating set is flowed through when flowing up drives generating set to produce electricl energy；With upper end piston and plunger lower end permanent strong magnetic iron it Between distance it is close, magnetic attraction between the two is also gradually increased, when the resultant force of magnetic attraction and gravity be greater than compressed spring bullet Property power and upper and lower cylinder pressure difference generate resultant force when, the cone rubber plug of plunger base can be detached from oil return hole and drive column Plug moves down and is tightly attached to the upper surface of upper end piston；With resurgence or the decline of wave, the buoyancy that piston is subject to is gradually Reduce, since the gravity of piston itself overcomes the elastic force of compressed spring so that piston component integrally moves down, and with Moving down for piston, pressure reduces in lower hydraulic cylinder, and the hydraulic oil in upper hydraulic cylinder passes through under the action of gravity and pressure difference Oil return hole is flowed into lower hydraulic cylinder, completes the power generation process of a self-loopa；When piston component drops to certain distance, upper end Magnetic force between piston and the permanent strong magnetic iron of plunger base gradually becomes smaller, and plunger is acted on due to the elastic restoring force of compressed spring It moves up until cone rubber plug restores to block oil return hole；Next wave or flood tide repeat above-mentioned power generation process when attacking.

In order to make piston component remain at vertical direction movement, prevent in piston component moving process to main structure Lateral force is generated between sealing ring and causes piston seal failure, and the surrounding of lower end water storage piston offers several sliding rail guiding Hole, the lower end of main structure bottom outer are fixed with several sliding rails, and the lower end of sliding rail is fixed in support column by sliding rail rack Side, lower end water storage piston pass through sliding rail by sliding rail pilot hole and move up and down along sliding rail.

In order to limit the motion range of piston component, while piston component being enable to play when moving to high-low limit position Buffer function prevents upper end piston from generating excessive impact force with permanent strong magnetic iron Contact, breaks ring permanent strong magnetic iron, institute The two sides up and down for stating sliding rail are equipped with the stop collar of adjustable movement, and the top of upper limit ring lower part and lower limit ring is rubber Glue material matter, permanent strong magnetic iron lower part have rubber ring.Upper limit ring and lower limit ring can move up and down on the slide rail, and It is fixed in any required position, specifically, the form that can be connected through a screw thread between stop collar and sliding rail.

Impact force when further, in order to buffer upper end piston motion to lower limit position between stop collar, limit Ring upper end is equipped with rubber buffer.

In order to carry out maintenance to the generating set inside main structure, the upper end of the main structure is opening knot Structure, and sealed by upper cover and upper cover sealing ring, the top of upper cover also has hangers.

A part of water is brought into the cavity in lower hydraulic cylinder, stop collar and upper end when piston component moves upwards in order to prevent Dynamic sealing is equipped at piston contact position.

Preferably, the water storage plunger can be solenoid valve, and solenoid valve is connected with water storage cavity flood pattern, under support column Current level signal is delivered to controller by end installation liquid level sensor, liquid level sensor, and controller is by measuring current water Position data adjust the water body weight in water storage cavity.Floating body up and down motion model is adjusted by adjusting piston component overall weight Enclose, with this come adapt to wave size with daytime at night and season variation the case where, better conform to different size of wave, make The generating efficiency of different periods is optimized, and generating efficiency is further increased.

The generating set is small hydro generator group, and generating set upper end is fixed with the propeller of its power generation of driving. The utility model can also use the hydro powered generating set of other forms.

The utility model increases displacement of volume using lower end water storage piston to increase buoyancy, increases generated energy, so that wave The unrestrained energy is fully used；And generating set external hollow support column is converted by the short essay stroke of large-diameter hydraulic cylinder The long stroke of long smaller diameter passage, to provide continual and steady driving force for generating set, used hydraulic cylinder is without very Length both can achieve the purpose continually and steadily to generate electricity, greatly reduce cost；The utility model is by adjusting lower end water storage piston Water adjust floating body gravity size, change piston component initial position and then the movement model of adjustable piston It encloses, to improve the utilization rate for different height wave；The oil return hole and movable plunger being arranged on intermediate bulkhead can make hydraulic Hydraulic oil in cylinder is continuously recycled, and both can guarantee that generating set can obtain more stable tool without additional driving force There is the hydraulic oil of pressure, thus the acquisition power generation driving force for keeping generating set continual and steady；The utility model and other waves Wave energy generating set is compared, and structure is simple, and be not necessarily to other Electric control links and sensor, performance stablize, be readily disassembled and Part exchanging, maintenance cost are low；Using oil liquid as hydraulic power, the corrosion of internal core component is substantially reduced, improves power generation The service life of device.

Detailed description of the invention

Fig. 1 is the utility model overall structure diagram；

Fig. 2 is main structure and its internal structure top view in the utility model；

Fig. 3 is main structure sectional view in the utility model；

Fig. 4 is plunger and hollow support column schematic perspective view in the utility model；

Fig. 5 is piston assembly structure schematic diagram in the utility model；

In figure: 1, main structure；1.1, upper hydraulic cylinder；1.2, lower hydraulic cylinder；2, generating set；3, piston component；3.1, Upper end piston；3.2, piston is connected；3.3, lower end water storage piston；3.4, storage cavity；3.5, water injection hole；3.6, water storage plunger； 3.7, sealing rubber ring；3.8, sliding rail pilot hole；4, outer；5, support column；6, sealing ring；7, stop collar；8, intermediate bulkhead；9, Hollow support column；10, generating set mounting bracket；11, plunger；12, oil return hole；13, cone rubber plug；14, permanent strong magnetic iron； 15, compressed spring；16, limit plate；17, sliding rail；18, sliding rail rack；19, upper limit ring；20, lower limit ring；21, rubber buffer Pad；22, upper cover；23, upper cover sealing ring；24, hangers.

Specific embodiment

The utility model is described in detail in the following with reference to the drawings and specific embodiments.

As shown in Fig. 1 to 5, a kind of wave energy generating set, including main structure 1, generating set 2 and piston component 3, institute Stating main structure is 1 hollow cylinder structure, and bottom circumferentially has outer 4, and the lower end of outer 4 is uniformly fixed with several support columns 5, the fixed waters off shore of support column 5；1 upper end cavity of main structure by intermediate bulkhead 8 be divided into upper hydraulic cylinder 1.1 and under it is hydraulic Cylinder 1.2, the piston component 3 are made of upper end piston 3.1, connection piston 3.2 and lower end water storage piston 3.3, upper piston 3.1 Surface area be less than lower end water storage piston 3.3 surface area, upper end piston 3.1 be arranged in lower hydraulic cylinder 1.2, outer diameter under 1.2 internal diameter of hydraulic cylinder matches and sets in upper end piston 3.1 and lower 1.2 contact site of hydraulic cylinder to sealing ring 6, lower hydraulic cylinder The fixed restraining position ring block 7 in the bottom of 1.2 cavitys is used to limit the stroke of upper end piston 3.1, upper end piston 3.1 and lower end water storage piston It is connected between 3.3 by connection piston 3.2, there is storage cavity 3.4, the bottom of storage cavity 3.4 in lower end water storage piston 3.3 Water injection hole 3.5 is offered, water injection hole 3.5 blocks sealing by water storage plunger 3.6 and sealing rubber ring 3.7；Intermediate bulkhead 8 Center is equipped with hollow support column 9, and the generating set 2 is mounted in hollow support column 9 by generating set mounting bracket 10 Portion upper end, the top of hollow support column 9 offer the channel communicated with upper 1.1 internal cavity of hydraulic cylinder；The two sides of hollow support column 9 It is symmetrically installed with plunger 11, plunger 11 passes through the oil return hole 12 opened up on intermediate bulkhead 8, and is fixed with cone in the lower end of plunger 11 Shape rubber stopper 13, the bottom of cone rubber plug 13 are fixed with permanent strong magnetic iron 14, and 11 top of plunger is set with compressed spring 15, pressure The bottom of contracting spring 15 and intermediate bulkhead 8 are fixed, and the upper end of compressed spring 15 is connected with the limit plate 16 at 11 top of plunger；Institute It states intermediate bulkhead 8 to be made of non-magnet material, the upper end piston 3.1 is made of permeability magnetic material, the cavity of lower hydraulic cylinder 1.2 It is provided with hydraulic oil.

When original state, plunger 11 is by upward floating of plunger self gravity, the elastic force of compressed spring 15 and hydraulic oil Power collective effect blocks the cone rubber plug 13 of 11 bottom of plunger at two oil return holes 12 of intermediate bulkhead 8；Lower end water storage 3.3 storage cavity 3.4 is packed into a certain amount of water as needed in piston, since the present apparatus is arranged on offshore place waters, because , when flood tide or wave are to attack, as the depth that device is flooded increases, i.e., the displacement of volume of piston increases for this, piston by As soon as upward buoyancy will push 3 entirety of piston component when buoyancy is greater than the gravity of piston component and move up, with upper end Piston 3.1 moves up, and the pressure difference between the power upward by spring of plunger 11 and lower hydraulic cylinder 1.1 and upper hydraulic cylinder 1.2 produces The resultant force of raw upward power, cone rubber plug 13 tightly blocks oil return hole 12 at this time, and the hydraulic oil in lower hydraulic cylinder 1.2 can only Enter upper hydraulic cylinder 1.1 by hollow support column 9, generating set 2 is flowed through when hydraulic oil flows up, generating set is driven to generate Electric energy；With close, the between the two magnetic attraction of distance between 11 lower end permanent strong magnetic iron 14 of upper end piston 3.1 and plunger It is gradually increased, is generated when the resultant force of magnetic attraction and gravity greater than the elastic force of compressed spring 15 and upper and lower cylinder pressure difference When resultant force, the cone rubber plug 13 of 11 bottom of plunger can be detached from oil return hole 12 and drive plunger 11 to move down and be tightly attached to upper end The upper surface of piston 3.1；With resurgence or the decline of wave, the buoyancy that piston is subject to is gradually reduced, due to piston itself Gravity overcomes the elastic force of compressed spring 15 so that piston component 3 is whole moves down, and moving down with piston, lower liquid Pressure reduces in cylinder pressure 1.2, and the hydraulic oil in upper hydraulic cylinder 1.1 is flowed under the action of gravity and pressure difference by oil return hole 12 Enter to lower hydraulic cylinder 1.2, completes the power generation process of a self-loopa；When piston component 3 drops to certain distance, upper end piston Magnetic force between 3.1 and the permanent strong magnetic iron 14 of plunger base gradually becomes smaller, and plunger 11 restores due to the elasticity of compressed spring 15 Power effect moves up until cone rubber plug 13 restores to block oil return hole 12；Next wave or flood tide repeat above-mentioned hair when attacking Electric process.

As shown in Figure 1 and Figure 5, in order to make piston component 3 remain at vertical direction movement, prevent piston component 3 from moving Piston seal failure is caused to generation lateral force between main structure 1 and sealing ring 6 during dynamic, lower end water storage piston 3.3 Surrounding offer several sliding rail pilot holes 3.8, the lower end of 1 bottom outer of main structure is fixed with several sliding rails 17, sliding rail 17 Lower end the inside of support column 5 is fixed on by sliding rail rack 18, lower end water storage piston 3.3 is passed through by sliding rail pilot hole 3.8 and is slided Rail 17 is simultaneously moved up and down along sliding rail.

The setting number of sliding rail pilot hole 3.8 and sliding rail 17 is four in the present embodiment

As shown in Figure 1, in order to limit the motion range of piston component, while piston component 3 being made to move to high-low limit It can play a buffer role in when position, prevent upper end piston 3.1 from generating excessive impact force with 14 Contact of permanent strong magnetic iron, Broken ring permanent strong magnetic iron 14, the two sides up and down of the sliding rail 17 are equipped with the stop collar of adjustable movement, under upper limit ring 19 Portion and the top of lower limit ring 20 are rubber material, and 14 lower part of permanent strong magnetic iron has rubber ring.Upper limit ring 19 is under Stop collar 20 can move up and down on sliding rail 17, and fix in any required position, specifically, between stop collar and sliding rail The form that can be connected through a screw thread.Further, in order to buffer when upper end piston 3.1 moves to lower limit position and stop collar Impact force between 7,7 upper end of stop collar are equipped with rubber buffer 21.

In order to carry out maintenance to the generating set 2 inside main structure 1, the upper end of the main structure 1 is opening Structure, and sealed by upper cover 22 and upper cover sealing ring 23, the top of upper cover 22 also has hangers 24.

Bring a part of water into cavity in lower hydraulic cylinder 1.2 when piston component moves upwards in order to prevent, stop collar 7 with Dynamic sealing is equipped at 3.1 contact position of upper end piston.

Preferably, the water storage plunger 3.6 can be solenoid valve, and solenoid valve is connected with water storage cavity flood pattern, support column 5 Lower end liquid level sensor is installed, current level signal is delivered to controller by liquid level sensor, and controller is current by measurement Waterlevel data adjust the water body weight in water storage cavity.It moves up and down by adjusting piston component overall weight to adjust floating body Range, with this come adapt to wave size with daytime at night and season variation the case where, better conform to different size of wave, Optimize the generating efficiency of different periods, further increases generating efficiency.

The generating set 2 is small hydro generator group, and generating set upper end is fixed with the propeller of its power generation of driving. The utility model can also be not limited to structure as shown in the figure using the hydro powered generating set of other forms.

Claims

1. a kind of wave energy generating set, which is characterized in that including main structure (1), generating set (2) and piston component (3), The main structure (1) is hollow cylinder structure, and bottom circumferentially has outer (4), outer (4) if lower end be uniformly fixed with Heavenly Stems and Earthly Branches dagger (5), the fixed waters off shore of support column (5)；Main structure (1) upper end cavity is divided by intermediate bulkhead (8) Hydraulic cylinder (1.1) and lower hydraulic cylinder (1.2), the piston component (3) is by upper end piston (3.1), connection piston (3.2) and lower end Water storage piston (3.3) composition, the surface area of upper piston (3.1) are less than the surface area of lower end water storage piston (3.3), upper end piston (3.1) setting is in the lower hydraulic cylinder (1.2), outer diameter and lower hydraulic cylinder (1.2) internal diameter match and upper end piston (3.1) with Lower hydraulic cylinder (1.2) contact site is set to sealing ring (6), and the bottom fixed restraining position ring block (7) of lower hydraulic cylinder (1.2) cavity is used for The stroke for limiting upper end piston (3.1) passes through connection piston (3.2) between upper end piston (3.1) and lower end water storage piston (3.3) It is connected, there are storage cavity (3.4) in lower end water storage piston (3.3), the bottom of storage cavity (3.4) offers water injection hole (3.5), water injection hole (3.5) blocks sealing by water storage plunger (3.6) and sealing rubber ring (3.7)；The center of intermediate bulkhead (8) It is equipped with hollow support column (9), the generating set (2) is mounted on hollow support column by generating set mounting bracket (10) (9) inner upper end offers the channel communicated with upper hydraulic cylinder (1.1) internal cavity at the top of hollow support column (9)；Hollow support The two sides of column (9) are symmetrically installed with plunger (11), the oil return hole (12) that plunger (11) opens up on intermediate bulkhead (8), and The lower end of plunger (11) is fixed with cone rubber plug (13), and the bottom of cone rubber plug (13) is fixed with permanent strong magnetic iron (14), Plunger (11) top is set with compressed spring (15), and the bottom and intermediate bulkhead (8) of compressed spring (15) are fixed, compressed spring (15) upper end is connected with the limit plate (16) at the top of plunger (11)；The intermediate bulkhead (8) is made of non-magnet material, described Upper end piston (3.1) is made of permeability magnetic material, and the cavity of lower hydraulic cylinder (1.2) is provided with hydraulic oil.

2. wave energy generating set according to claim 1, which is characterized in that the surrounding of lower end water storage piston (3.3) is opened Equipped with several sliding rail pilot holes (3.8), the lower end of main structure (1) bottom outer is fixed with several sliding rails (17), sliding rail (17) Lower end be fixed on the inside of support column (5) by sliding rail rack (18), lower end water storage piston (3.3) passes through sliding rail pilot hole (3.8) sliding rail (17) are passed through and are moved up and down along sliding rail.

3. wave energy generating set according to claim 2, which is characterized in that install the two sides up and down of the sliding rail (17) There is a stop collar of adjustable movement, the top of upper limit ring (19) lower part and lower limit ring (20) is rubber material, permanently Strong magnet (14) lower part has rubber ring.

4. wave energy generating set according to claim 2, which is characterized in that stop collar (7) upper end is equipped with rubber buffer It pads (21).

5. wave energy generating set according to claim 4, which is characterized in that the upper end of the main structure (1) is to open Mouth structure, and sealed by upper cover (22) and upper cover sealing ring (23), the top of upper cover (22) also has hangers (24).

6. wave energy generating set according to claim 5, which is characterized in that stop collar (7) connects with upper end piston (3.1) It touches and is equipped with dynamic sealing at position.

7. according to claim 1 to wave energy generating set described in 6 any claims, which is characterized in that the water storage column Filling in (3.6) can be solenoid valve, and solenoid valve is connected with water storage cavity flood pattern, and liquid level sensor is installed in the lower end of support column (5), Current level signal is delivered to controller by liquid level sensor, and controller adjusts water storage cavity by measuring current waterlevel data Interior water body weight.

8. wave energy generating set according to claim 7, which is characterized in that the generating set (2) is small-sized waterpower Generating set, generating set upper end are fixed with the propeller of its power generation of driving.