CN115977860A - Hydraulic control system for sea wave power generator set - Google Patents
Hydraulic control system for sea wave power generator set Download PDFInfo
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- CN115977860A CN115977860A CN202310032474.3A CN202310032474A CN115977860A CN 115977860 A CN115977860 A CN 115977860A CN 202310032474 A CN202310032474 A CN 202310032474A CN 115977860 A CN115977860 A CN 115977860A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
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Abstract
The invention discloses a hydraulic control system, particularly discloses a hydraulic control system for a sea wave power generator set, and belongs to the technical field of design and manufacture of hydraulic control equipment. The hydraulic control system for the sea wave power generator set can effectively convert ocean wave energy and tidal energy into energy which can be used by human beings. The hydraulic control system at least comprises a tidal power generation control unit and a hydraulic station, wherein an oil liquid conveying end of the tidal power generation control unit is connected with the hydraulic station, and a tidal power generation unit connected with an external power floater through the tidal power generation control unit utilizes the rising and falling tide power of sea waves to drive the tidal power generation unit to generate power under the coordination of the tidal power generation control unit.
Description
Technical Field
The invention relates to a hydraulic control system, in particular to a hydraulic control system for a sea wave power generator set, and belongs to the technical field of design and manufacture of hydraulic control equipment.
Background
Ocean wave energy and tidal energy are inexhaustible clean energy, and natural energy from universe is converted into energy required by human beings, such as electric energy, which becomes an indispensable part of human energy. The tidal energy is a periodic natural fluctuation phenomenon of seawater caused by the gravitational force of celestial bodies such as moon, sun and the like; the wave energy is the wave which never stops and fluctuates periodically up and down under the action of the gravity of wind and seawater in the process of mutual influence of the atmosphere and the ocean, and has certain kinetic energy and potential energy. In the prior art, no reference technology exists for realizing the effective utilization of ocean wave energy and tidal energy.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the hydraulic control system for the sea wave power generator set can effectively convert ocean wave energy and tidal energy into energy which can be used by human beings.
The technical scheme adopted for solving the technical problems is as follows: a hydraulic control system for a sea wave power generator set at least comprises a tidal power generation control unit and a hydraulic station, wherein an oil liquid conveying end of the tidal power generation control unit is connected with the hydraulic station, and the tidal power generator set connected with an external power floater through the tidal power generation control unit utilizes the rising and falling tide power of sea waves to drive the tidal power generator set to generate power under the coordination of the tidal power generation control unit.
Furthermore, the hydraulic control system also comprises a wave power generation control unit, and an oil liquid conveying end of the wave power generation control unit is also connected with the hydraulic station; and the wave power generator set is connected with the external power floater through the wave power generation control unit, and the wave power of the sea waves in all directions is utilized to drive the wave power generator set to generate power under the coordination of the wave power generation control unit.
In a preferred mode of the above scheme, the hydraulic control system further comprises a float height adjusting and locking cylinder group, and the external power float is locked in the vertical direction through the float height adjusting and locking cylinder group connected to the tidal power generation control unit.
Furthermore, the floater height adjusting and locking oil cylinder group comprises a motor pump group, a secondary telescopic oil cylinder and a hydraulic winch, wherein the secondary telescopic oil cylinder and the hydraulic winch lock an external power floater along the vertical direction through the driving force output by the motor pump group.
The tidal power generation control unit at least comprises two groups of reversing valves and two groups of balance valves, one liquid conveying end of the tidal power generation control unit is connected with a hydraulic station through a motor pump set of a floater height adjusting and locking oil cylinder set, and a secondary telescopic oil cylinder and a hydraulic winch of the floater height adjusting and locking oil cylinder set are respectively connected to the tail end of the motor pump set in parallel through one group of reversing valves and one group of balance valves.
Furthermore, the tidal power generation control unit also comprises a loading control valve and an overflow valve, the loading control valve is arranged at the output end of the motor pump set, and the other infusion end of the tidal power generation control unit is connected with the hydraulic station through the reversing valve.
In a preferable mode of the above scheme, the wave power generation control unit includes a wave energy conversion oil cylinder group and a generator driving valve group, one end of the generator driving valve group is connected to the hydraulic station, the other end of the generator driving valve group is connected to one end of the wave energy conversion oil cylinder group, and the other end of the wave energy conversion oil cylinder group is connected to the hydraulic station.
The wave energy conversion oil cylinder group comprises at least four groups of hydraulic cylinders which are connected in parallel, rod ends of the hydraulic cylinders are connected with the hydraulic station at the same time, rodless ends of the hydraulic cylinders are connected with the generator driving valve group after being connected in parallel through one conveying end, rodless ends of the hydraulic cylinders are connected with the hydraulic station through the other conveying end, check valves are connected in series with the two conveying ends of the rodless ends of the hydraulic cylinders, and the hydraulic cylinders are connected with the floater through piston rods arranged in the hydraulic cylinders.
In a preferable mode of the scheme, a high-pressure filter and an energy accumulator are further connected to the conveying end of each group of hydraulic cylinders after the hydraulic cylinders are connected in parallel.
Further, the generator driving valve group comprises a first-stage pressure control valve, a second-stage pressure control valve, a generator motor, a proportional reversing valve, a throttle valve and an oil inlet one-way valve, one ends of the first-stage pressure control valve, the second-stage pressure control valve, the generator motor and the throttle valve which are connected in parallel are connected with the hydraulic station, the other ends of the first-stage pressure control valve, the second-stage pressure control valve, the generator motor and the throttle valve which are connected in parallel are connected with one end of each group of hydraulic cylinders which are connected in parallel through a high-pressure filter, and the proportional reversing valve is arranged on a parallel line between the first-stage pressure control valve and the second-stage pressure control valve.
The invention has the beneficial effects that: the application provides technical scheme through setting up a set of hydraulic control system that includes tidal power generation the control unit and hydraulic pressure station at least, and make tidal power generation the control unit's fluid delivery end with the hydraulic pressure station connect, then make and pass through tidal power generation unit that tidal power generation the control unit is connected with outside power float utilizes the tide power drive tidal power generation unit of the rise and fall of wave to generate electricity under this tidal power generation the control unit's cooperation. Therefore, at least ocean tides can be effectively converted into electric energy which is generated under the control of the tidal power generation control unit through the cooperation of the tidal power generation control unit under the control of the hydraulic station, and the purpose that ocean wave energy and tidal energy can be effectively converted into energy which can be used by human beings is achieved.
Drawings
Fig. 1 is a schematic structural diagram of a hydraulic control system for a wave power generator set according to the invention.
Labeled as: the device comprises a tidal power generation control unit 1, a hydraulic station 2, a wave power generation control unit 3, a floater height adjusting and locking cylinder group 4, a motor pump group 5, a secondary telescopic cylinder 6, a hydraulic winch 7, a reversing valve 8, a balance valve 9, a loading control valve 10, an overflow valve 11, a wave energy conversion cylinder group 12, a generator driving valve group 13, a hydraulic cylinder 14, a one-way valve 15, a piston rod 16, a high-pressure filter 17, an energy accumulator 18, a primary pressure control valve 19, a secondary pressure control valve 20, a generator motor 21, a proportional reversing valve 22, a throttle valve 23 and an oil inlet one-way valve 24.
Detailed Description
Fig. 1 shows a hydraulic control system for an ocean wave power generator set, which can effectively convert ocean wave energy and tidal energy into energy for human use. The hydraulic control system at least comprises a tidal power generation control unit 1 and a hydraulic station 2, wherein an oil liquid conveying end of the tidal power generation control unit 1 is connected with the hydraulic station 2, and a tidal power generation unit connected with an external power floater through the tidal power generation control unit 1 utilizes the rising and falling tide power of sea waves to drive the tidal power generation unit to generate power under the coordination of the tidal power generation control unit 1. The application provides technical scheme through setting up a set of hydraulic control system that includes tidal power generation the control unit and hydraulic pressure station at least, and make tidal power generation the control unit's fluid delivery end with the hydraulic pressure station connect, then make and pass through tidal power generation set that tidal power generation the control unit is connected with outside power float utilizes the tide power drive tidal power set that rises and falls of wave to generate electricity under this tidal power generation the control unit's cooperation. Therefore, ocean tides can be effectively converted into electric energy which is generated under the control of the tidal power generation control unit through the tidal power generation control unit under the coordination of the hydraulic station, and the purpose that ocean wave energy and tidal energy can be effectively converted into energy which can be used by human beings is achieved.
In the above embodiment, in order to utilize ocean energy to the maximum extent, simplify the structure of the hydraulic control system of the present application, and improve the compactness of the whole system, the hydraulic control system of the present application further includes a wave power generation control unit 3 and a float height adjusting and locking cylinder group 4, and the oil conveying end of the wave power generation control unit 3 is also connected with the hydraulic station 2; the wave power generation control unit 3 is matched with a wave power generator set connected with an external power floater, and wave power of sea waves in all directions is utilized to drive the wave power generator set to generate power; the external power floater is locked in the vertical direction by the floater height adjusting and locking oil cylinder group 4 connected with the tidal power generation control unit. At this time, it is preferable that the float height adjusting and locking cylinder set 4 includes a motor-pump set 5, a secondary telescopic cylinder 6 and a hydraulic winch 7, and the secondary telescopic cylinder 6 and the hydraulic winch 7 lock the external power float in the vertical direction by the driving force output from the motor-pump set 5.
Further, in order to utilize the existing standard components as much as possible, reduce the use of special parts, and facilitate the manufacture, assembly and subsequent general repair, the tidal power generation control unit 1 of the present application at least comprises two sets of reversing valves 8 and two sets of balance valves 9, an infusion end of the tidal power generation control unit 1 is connected with the hydraulic station 2 through the motor-pump set 5 of the float height adjusting and locking cylinder set 4, and the secondary telescopic cylinder 6 and the hydraulic winch 7 of the float height adjusting and locking cylinder set 8 are respectively connected in parallel at the tail end of the motor-pump set 5 through one set of the reversing valve 8 and one set of the balance valve 9. At this time, for the convenience of control, the tidal power generation control unit 1 of the present invention further comprises a loading control valve 10 and an overflow valve 11, the loading control valve 10 is arranged on the output end of the motor-pump set 5, and the other liquid feeding end of the tidal power generation control unit 1 is connected with the hydraulic station 2 through the reversing valve 8. Correspondingly, the wave power generation control unit 3 comprises a wave energy conversion oil cylinder group 12 and a generator driving valve group 13, one end of the generator driving valve group 13 is connected with the hydraulic station 2, the other end of the generator driving valve group 13 is connected with one end of the wave energy conversion oil cylinder group 12, and the other end of the wave energy conversion oil cylinder group 12 is connected with the hydraulic station 2. At this time, the wave energy conversion oil cylinder group 12 comprises at least four groups of hydraulic cylinders 14 which are connected in parallel, the rod end of each group of hydraulic cylinders 14 is connected with the hydraulic station 2 at the same time, the rodless end of each group of hydraulic cylinders 14 is connected with the generator driving valve group 13 after being connected in parallel through one conveying end, the rodless end of each group of hydraulic cylinders 14 is connected with the hydraulic station 2 through the other conveying end, the two conveying ends of the rodless end of each group of hydraulic cylinders 14 are connected in series with one-way valves 15, and each group of hydraulic cylinders 14 are connected with a float through piston rods 16 arranged in the hydraulic cylinders 14. And a high-pressure filter 17 and an accumulator 18 are connected to the delivery end of each group of hydraulic cylinders 14 after being connected in parallel. At this time, preferably, the generator driving valve group 13 includes a primary pressure control valve 19, a secondary pressure control valve 20, a generator motor 21, a proportional directional valve 22, a throttle valve 23 and an oil inlet check valve 24, one end of each of the parallel primary pressure control valve 19, the parallel secondary pressure control valve 20, the generator motor 21 and the throttle valve 23 is connected to the hydraulic station 2, the other end of each of the parallel primary pressure control valve 19, the parallel secondary pressure control valve 20, the generator motor 21 and the throttle valve 23 is connected to one end of each of the parallel hydraulic cylinders 14, which is not connected to the hydraulic station 2, through a high pressure filter 17, and the proportional directional valve 22 is disposed on a parallel line between the primary pressure control valve 19 and the secondary pressure control valve 20.
In summary, the design concept of the application is that the tide pushes the floater to ascend and descend, the floater ascends and descends to drive the lead screw to rotate, the lead screw rotates to drive the generator to rotate, and therefore power is generated, the generated electric energy can be used for any equipment or device needing power, the height adjustment of the position of the floater can be adjusted through the secondary telescopic oil cylinder, and the requirement that the height of the tidal level can be used for generating power can be met;
waves push the floater to swing all around, the swing mechanism drives the hydraulic cylinder to do reciprocating motion, a bridge type loop formed by the one-way valves continuously sucks oil from an oil tank and discharges oil, continuous hydraulic energy is generated and transmitted to the control valve block and the energy accumulator, the motor can be continuously operated through the control valve group, and therefore the driving engine works. When the proportional electromagnetic valve is powered off, the swing mechanism can be locked; when the proportional electromagnetic valve is electrified, the generator starts to generate power.
The working principle of the hydraulic control system is that sea waves push the hydraulic cylinder to extend out, a dry cavity of the oil cylinder absorbs oil, hydraulic oil enters a rodless cavity of the hydraulic cylinder through a pipeline and an oil inlet check valve 18, and the hydraulic oil in the rod cavity is discharged back to the oil tank; when sea waves push the hydraulic cylinder to retract, a rod cavity of the hydraulic cylinder 16 absorbs oil from an oil tank through a pipeline, hydraulic oil in a rodless cavity of the hydraulic cylinder 16 is increased by the oil cylinder and then flows out through an oil outlet one-way valve 17, the hydraulic oil absorbs oil pulsation through an energy accumulator 13 and then enters a generator motor 11 through a proportional valve, high-pressure oil pushes the generator motor to rotate, and the motor drives the generator to rotate, so that the function of converting ocean wave energy into electric energy is realized; the opening size of the proportional reversing valve can be adjusted to control the rotating speed of a motor of the generator, so that the generating power of the generator is controlled, and the generator is prevented from being damaged due to overhigh energy of sea waves; the above working flows do reciprocating motion, extra energy does not need to be provided, and electricity can be continuously generated as long as sea waves exist.
Claims (10)
1. A hydraulic control system for wave power generating set, its characterized in that: the hydraulic control system at least comprises a tidal power generation control unit (1) and a hydraulic station (2), wherein an oil liquid conveying end of the tidal power generation control unit (1) is connected with the hydraulic station (2), and a tidal power generation unit connected with an external power floater through the tidal power generation control unit (1) utilizes the rising and falling tide power of sea waves to drive the tidal power generation unit to generate power under the cooperation of the tidal power generation control unit (1).
2. A hydraulic control system for an ocean wave power generator set according to claim 1, characterized in that: the hydraulic control system also comprises a wave power generation control unit (3), and an oil liquid conveying end of the wave power generation control unit (3) is also connected with the hydraulic station (2); the wave power generation control unit (3) is matched with a wave power generator set connected with an external power floater, and wave power of sea waves in all directions is utilized to drive the wave power generator set to generate power.
3. A hydraulic control system for an ocean wave power generator set according to claim 2 wherein: the hydraulic control system also comprises a floater height adjusting and locking oil cylinder group (4), and an external power floater is locked along the vertical direction through the floater height adjusting and locking oil cylinder group (4) connected into the tidal power generation control unit.
4. A hydraulic control system for an ocean wave power generator set according to claim 3, characterized in that: the floater height adjusting and locking oil cylinder group (4) comprises a motor pump group (5), a secondary telescopic oil cylinder (6) and a hydraulic winch (7), wherein the secondary telescopic oil cylinder (6) and the hydraulic winch (7) lock an external power floater along the vertical direction through the driving force output by the motor pump group (5).
5. A hydraulic control system for an ocean wave power generator set according to claim 2, 3 or 4, characterized in that: the tidal power generation control unit (1) at least comprises two groups of reversing valves (8) and two groups of balance valves (9), one liquid conveying end of the tidal power generation control unit (1) is connected with the hydraulic station (2) through a motor pump set (5) of the floater height adjusting and locking oil cylinder set (4), and a secondary telescopic oil cylinder (6) and a hydraulic winch (7) of the floater height adjusting and locking oil cylinder set (8) are respectively connected to the tail end of the motor pump set (5) in parallel through one group of reversing valves (8) and one group of balance valves (9).
6. A hydraulic control system for an ocean wave power generator set according to claim 5, characterized in that: the tidal power generation control unit (1) further comprises a loading control valve (10) and an overflow valve (11), the loading control valve (10) is arranged at the output end of the motor-pump set (5), and the other liquid conveying end of the tidal power generation control unit (1) is connected with the hydraulic station (2) through the reversing valve (8).
7. A hydraulic control system for an ocean wave power generator set according to claim 6, characterized in that: the wave power generation control unit (3) comprises a wave energy conversion oil cylinder group (12) and a generator driving valve group (13), one end of the generator driving valve group (13) is connected with the hydraulic station (2), the other end of the generator driving valve group (13) is connected with one end of the wave energy conversion oil cylinder group (12), and the other end of the wave energy conversion oil cylinder group (12) is connected with the hydraulic station (2).
8. A hydraulic control system for an ocean wave power generator set according to claim 7, characterized in that: the wave energy conversion oil cylinder group (12) comprises at least four groups of hydraulic cylinders (14) which are connected in parallel, the rod ends of the hydraulic cylinders (14) are connected with the hydraulic station (2) simultaneously, the rodless ends of the hydraulic cylinders (14) are connected with the generator driving valve group (13) in parallel through one conveying end, the rodless ends of the hydraulic cylinders (14) are connected with the hydraulic station (2) through the other conveying end, the two conveying ends of the rodless ends of the hydraulic cylinders (14) are connected with one-way valves (15) in series, and the hydraulic cylinders (14) are connected with a floater through piston rods (16) arranged in the hydraulic cylinders (14).
9. A hydraulic control system for an ocean wave power generator set according to claim 8, wherein: the delivery end of each group of hydraulic cylinders (14) which are connected in parallel is also connected with a high-pressure filter (17) and an energy accumulator (18).
10. A hydraulic control system for an ocean wave power generator set according to claim 9, characterized in that: the generator driving valve group (13) comprises a first-stage pressure control valve (19), a second-stage pressure control valve (20), a generator motor (21), a proportional reversing valve (22), a throttling valve (23) and an oil inlet one-way valve (24), one ends of the first-stage pressure control valve (19), the second-stage pressure control valve (20), the generator motor (21) and the throttling valve (23) are connected with the hydraulic station (2), the other ends of the first-stage pressure control valve (19), the second-stage pressure control valve (20), the generator motor (21) and the throttling valve (23) are connected with one end of each group of hydraulic cylinders (14) connected with the hydraulic station (2) after being connected in parallel through a high-pressure filter (17), and the proportional reversing valve (22) is arranged on a parallel line between the first-stage pressure control valve (19) and the second-stage pressure control valve (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310032474.3A CN115977860A (en) | 2023-01-10 | 2023-01-10 | Hydraulic control system for sea wave power generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310032474.3A CN115977860A (en) | 2023-01-10 | 2023-01-10 | Hydraulic control system for sea wave power generator set |
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| CN115977860A true CN115977860A (en) | 2023-04-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310032474.3A Pending CN115977860A (en) | 2023-01-10 | 2023-01-10 | Hydraulic control system for sea wave power generator set |
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2023
- 2023-01-10 CN CN202310032474.3A patent/CN115977860A/en active Pending
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