A kind of wave energy storage device and power generation system
Technical field
The utility model relates to a kind of device and power generation system of utilizing waves of seawater to carry out energy storage.
Background technique
French scientist faraday had found electromagnetic induction effect in 1831, and generator is the machinery that the energy of other form is transformed electric energy according to electromagnetic induction effect.Result from second industrial revolution period the earliest, made in 1866 by German engineer Siemens.It is driven as: water turbine, steam turbine, diesel engine or other dynamic power machine by the source motivation, with current, and air-flow, the Conversion of energy that fuel combustion or nuclear fission produce is that mechanical energy is passed to generator, is converted into electric energy by generator again.Generator is in industrial and agricultural production, and national defence has been widely used in science and technology and the daily life.
In recent years, adopt the application of nuclear material generating to be widelyd popularize, but because the use of nuclear is subjected to strict restriction, can't extensive use.In addition, the use of nuclear, in the acquisition of material, and the constraint on the processing technology, and safety problem, extremely difficult popularizing.Especially on producing, must note safe in utilizationly,, might cause pollution difficult to the appraisal environment in case accident occurs.
Wind-power electricity generation is fresh combatants in the renewable energy power generation technology always, but its unstability allows people's headache really.Wind energy power is because of being subjected to the restriction of wind-force, and is very big to the pollution of electrical network; Pollution abatement not only need consume the qualified power supply in the electrical network, and production cost simultaneously is very high, to the utilization area in soil require high.
Though the solar electrical energy generation low-carbon environment-friendly, in the process of device fabrication, the industrial refuse serious environment pollution of generation, the environmental cost of paying when causing producing is high; Simultaneously solar electrical energy generation not only be subjected to the four seasons, round the clock, the influence that rain or shine changes, high to the area requirements of land use.
Wavy hair electrical equipment utilizes wave-type electric generator that the kinetic energy of the proper motion generation of wave is converted into electric energy.In order effectively to absorb kinetic energy, according to the characteristics design of wave vibrations, wave proper motion kenel can be divided into wavy hair electrical equipment operative configuration substantially fully: dipping and heaving, pitching, oscillating water column and rock back and forth.According to estimates, technical available wave potential reaches 2.7 * 10
9Kw can reach 60~100kw/m in the high marine site of distributions.At present, the theoretical energy storage capacity of wave energy reaches 70000MW, and low power wave-activated power generation is in the application that puts it over such as navigation buoy, beacon.But the mode that existing wavy hair electrical equipment adopts is not ideal, is not easy to large-scale promotion; Can't realize interconnection technology.Therefore a kind of new-type wave electricity generating device of large-scale promotion that is applicable to is badly in need of being developed.
Summary of the invention
The utility model is at the proposition of above problem, and the wave-activated power generation apparatus of developing a kind of safe, practical, economic, zero carbon emission, being convenient to promote, to solve the deficiency of electric organs such as present nuclear energy, wind energy, solar energy.The technological means that the utility model adopts is as follows:
A kind of wave energy storage device is characterized in that being provided with in the shell engine room and equipment compartment; Isolate by seal arrangement between described engine room and the equipment compartment, equipment compartment constitutes sealed compartment, and seal arrangement is provided with the stuffing box bearing that carries out transmission in addition;
Be provided with strand cable dish device in the described engine room, the rotating shaft of strand cable dish device is fixed on the stuffing box bearing on the seal arrangement, and the hawser on the strand cable dish device is connected on the mooring anchor;
Be provided with back rope device, ratchet unit, accumulated energy flywheel and generator in the described equipment compartment, the input shaft of described ratchet unit is connected with the rotating shaft of strand cable dish device by the stuffing box bearing that is arranged on the seal arrangement, the output shaft of described ratchet unit is connected in the rotating shaft of generator after by accumulated energy flywheel, and described time the rope device is fixed on the input shaft of ratchet unit;
Pulling strand cable dish device rotated and emits hawser when the hawser on strand cable dish device was subjected to external force traction, driving ratchet unit by the stuffing box bearing on the seal arrangement when strand cable dish device rotates is rotated, ratchet unit drives accumulated energy flywheel and generator is rotated, and strand cable dish device drives back the rotation of rope device and makes its energy reserve simultaneously; When the hawser on strand cable dish device was not subjected to external force traction, time rope device that is arranged on the ratchet unit input end released energy and drives strand cable dish device backward rotation withdrawal hawser.
Engine room is provided with universal dragline pulley, and the hawser on the strand cable dish device is connected on the mooring anchor after by the dragline pulley.
Also be provided with speed change gear in the equipment compartment, the output shaft of described ratchet unit is connected with the input shaft of speed change gear, and accumulated energy flywheel between, the output shaft of speed change gear is connected in the rotating shaft of generator after by accumulated energy flywheel.
Shell is connected by the same above secondary anchor that is fixed on the seabed of hawser.
One end of the hawser that twines on the described strand cable dish device is connected on the mooring anchor, and the other end is fixed on the overcast.
A kind of wave energy storage device is characterized in that being provided with in the shell engine room and equipment compartment, and the top of shell is provided with air inlet system (suction port of air inlet system is provided with water-tight device); Isolate by seal arrangement between described engine room and the equipment compartment, equipment compartment constitutes sealed compartment, and seal arrangement is provided with the stuffing box bearing that carries out transmission in addition;
Be provided with strand cable dish device in the described engine room, the rotating shaft of strand cable dish device is fixed on the stuffing box bearing on the seal arrangement, and the hawser on the strand cable dish device is connected on the mooring anchor (can also be fixed on the seabed for dangling in seawater);
Being provided with back the rope device in the described equipment compartment (can be clockwork spring, also can be spring energy storage device), ratchet unit, accumulated energy flywheel and air compressor, the input shaft of described ratchet unit is connected with the rotating shaft of strand cable dish device by the stuffing box bearing that is arranged on the seal arrangement, the output shaft of described ratchet unit is connected in the rotating shaft of air compressor after by accumulated energy flywheel, described time the rope device is fixed on the input shaft of ratchet unit, and the suction port of described air compressor is connected with air inlet system by pipeline;
Pulling strand cable dish device rotated and emits hawser when the hawser on strand cable dish device was subjected to external force traction, driving ratchet unit by the stuffing box bearing on the seal arrangement when strand cable dish device rotates is rotated, ratchet unit drives accumulated energy flywheel and air compressor is rotated, and strand cable dish device drives back the rotation of rope device and makes its energy reserve simultaneously; When the hawser on strand cable dish device was not subjected to external force traction, time rope device that is arranged on the ratchet unit input end released energy and drives strand cable dish device backward rotation withdrawal hawser.
Engine room is provided with universal dragline pulley, and the hawser on the strand cable dish device is connected on the mooring anchor after by the dragline pulley; In addition, shell is connected by the same above secondary anchor that is fixed on the seabed of hawser.
Also be provided with speed change gear in the equipment compartment, the output shaft of described ratchet unit is connected with the input shaft of speed change gear, and accumulated energy flywheel between, the output shaft of speed change gear is connected in the rotating shaft of air compressor after by accumulated energy flywheel.
One end of the hawser that twines on the described strand cable dish device is connected on the mooring anchor, and the other end is fixed on the overcast.
A kind of wave electric power system is characterized in that comprising:
Above-mentioned wave energy storage device;
By deriving the air collector of tracheae connection wave energy storage device;
The constant voltage gas tank that connects air collector by control valve;
Be connected compressed air engine on the constant voltage gas tank by pipeline;
The pressure-sustaining gas rotary driving that described compressed air engine is provided by the constant voltage gas tank, its rotary output axis is connected on the generator.
The utility model utilizes crest and the drop between the trough, pitching, the oscillating water column of nature wave and the technology of the kinetic energy converting electrical energy that produced of rocking back and forth, and is a kind of renewable energy sources that can realize zero carbon emission.On it is bubbled through the water column, drift with the tide, all power are from nature.The acquisition of power resources is easy to, and as the wave in the Jiang Hai lake, it is not subjected to the influence of natural causess such as weather, residing geographical position; As the wind direction in the four seasons, the variation of wind-force; The variation of the four seasons temperature difference and day and night temperature etc.Preparation process belongs to mature technology: return rope technology, generator techniques, air compression machine technology, compressed air engine technology, insulated enclosure technology, anticorrosion technique, AC/DC electricity inversion transformation technique, interconnection technology or the like as ratchet.The utility model creation is widely used in power industry; The utility model created be widely used in industry, commerce, electricity consumption such as civilian after being incorporated into the power networks.Be specially adapted to territory, island, Jiang Hai lake close region.Use the utility model is created, and when realizing that energy-conservation (alternative of oil) reduces discharging (having realized zero carbon emission), improves earth environmental protection.Use the utility model is created, and the production cost is low; Can directly produce stable power, be safe to electrical network when being incorporated into the power networks.Use the utility model is created, and its main working surface is located at the Jiang Hai lake, is a large amount of land area of earth saving when a large amount of quality powers are provided.
In addition, the cost of Apparatus and system provided by the utility model is low, and all energy are all from nature, and what we did only is to collect, utilize and storage.Reduce discharging in real realization energy-conservation (alternative of oil and coal) in (realizing zero carbon emission), save the soil, improve earth environmental protection.
Description of drawings
Fig. 1 is a wave energy storage device described in the utility model-utilize generator to carry out the structural representation of the device of electrification energy storage;
Fig. 2 is a wave energy storage device described in the utility model-utilize air compressor to carry out the structural representation of the device of energy storage;
Fig. 3 is a wave energy storage device described in the utility model design sketch when using;
The structured flowchart that Fig. 4 carries out power supply output and is incorporated into the power networks for the device that utilizes generator to carry out electrification energy storage described in the utility model;
The structural representation of the system that Fig. 5 generates electricity for the device that utilizes air compressor to carry out energy storage described in the utility model;
Fig. 6 is wave energy storage device transduction principle figure described in the utility model; The schematic representation of device present position when Fig. 6-1 gushes for a wave left side; Schematic representation when Fig. 6-2 is in unrestrained peak for device; Schematic representation when Fig. 6-3 is in unrestrained paddy for device; The schematic representation of device present position when Fig. 6-4 gushes for the wave right side;
Fig. 7 is another structural representation of wave energy storage device described in the utility model-utilize generator to carry out the device of electrification energy storage;
Fig. 8 is wave energy storage device transduction principle figure shown in Figure 7; The schematic representation of device present position when Fig. 8-1 gushes for a wave left side; Schematic representation when Fig. 8-2 is in unrestrained peak for device; Schematic representation when Fig. 8-3 is in unrestrained paddy for device; The schematic representation of device present position when Fig. 8-4 gushes for the wave right side.
Among the figure: 1, shell, 2, generator, 3, accumulated energy flywheel, 4, speed change gear, 5, ratchet unit, 6, return the rope device, 7, strand cable dish device, 8, power supply feeds out device, 9, derive cable, 10, universal dragline pulley, 11, hawser, 12, mooring anchor weight, 13, derive tracheae, 14, air compressor, 15, air inlet system, 16, air collector, 17, the constant voltage gas tank, 18, compressed air engine, 19, seal arrangement, 20, overcast.
Embodiment
Embodiment 1: be provided with engine room A and equipment compartment B in the shell of wave energy storage device (float) 1 as shown in Figure 1; It is that example describes that present embodiment is divided into three parts with indoor design: engine room, I equipment compartment, II equipment compartment, (present embodiment is that example is described with 2 equipment compartments, the quantity of concrete engine room and equipment compartment can be provided with according to the actual requirements, because other implementations are not the technological invention point, also be that the easy association of those skilled in the art obtains, therefore do not do too much explanation.) in described engine room, mainly be strand cable dish assembly of devices, utilize the kinetic energy of nature water wave, be I equipment compartment and II equipment compartment power.For the corrosivity of anti-sealing, isolate by seal arrangement 19 between engine room and the equipment compartment.Equipment compartment constitutes sealed compartment, and seal arrangement 19 is provided with the stuffing box bearing that carries out transmission in addition;
Be provided with strand cable dish device 7 in the described engine room, the rotating shaft of strand cable dish device 7 is fixed on the stuffing box bearing on the seal arrangement 19, and the hawser 11 on the strand cable dish device 7 is connected mooring anchor 12 and can also be fixed on the seabed in seawater for dangling;
Being provided with back rope device 6 in the described equipment compartment can be clockwork spring, also can be spring energy storage device, ratchet unit 5, accumulated energy flywheel 3 and generator 2, the input shaft of described ratchet unit 5 is connected with the rotating shaft of strand cable dish device 7 by the stuffing box bearing that is arranged on the seal arrangement 19, the output shaft of described ratchet unit 5 is connected in the rotating shaft of generator 2 after by accumulated energy flywheel 3, and described time rope device 6 is fixed on the input shaft of ratchet unit 5;
During use, energy storage device is installed in ocean or the rivers as shown in Figure 3, under of the effect of strand cable dish device 7 at natural surge, by wave by crest to trough, during again to crest, pulling strand cable dish device 7 rotated and emits hawser 11 when the hawser 11 above the strand cable dish device 7 was subjected to external force traction, driving ratchet unit 5 by the stuffing box bearing on the seal arrangement 19 when strand cable dish device 7 rotates is rotated, ratchet unit 5 drives accumulated energy flywheel 3 and generator 2 is rotated, the power-converting that engine room is provided by accumulated energy flywheel 3 is metastable power, make generator 2 send more stable Ac, and then the ultracapacitor and a series of converter that feed out in the device 8 by power supply obtain galvanic current, produce by inverter again and meet the power supply (as shown in Figure 4) that is incorporated into the power networks and requires.Strand cable dish device 7 drives back 6 rotations of rope device and makes its energy reserve simultaneously; When the hawser 11 on strand cable dish device 7 is not subjected to external force traction, the rope device 6 that returns that is arranged on ratchet unit 5 input ends releases energy and drives strand cable dish device 7 backward rotation and regain hawser 11, returns rope device 6 and be the guarantee that engine room can provide continual and steady power for equipment compartment.
For make device can be better, more stable, on engine room, be provided with universal dragline pulley 10, the hawser 11 on the strand cable dish device 7 is connected on the mooring anchor 12 after by dragline pulley 10; Shell (float) 1 is connected by the same above secondary anchor that is fixed on the seabed of hawser.Also be provided with speed change gear 4 in addition in equipment compartment, the output shaft of described ratchet unit 5 is connected with the input shaft of speed change gear 4, and accumulated energy flywheel 3 between, the output shaft of speed change gear 4 is connected in the rotating shaft of generator 2 after by accumulated energy flywheel 3.
Wave energy storage device transduction principle is as follows as shown in Figure 6:
Universal swinging arriving before and after gush on a left side, wave wave peak shown in Fig. 6-1, the stressed effect of float is universal moves.Because hawser is fixed on the mooring anchor,, drags flywheel and move clockwise so the hawser tension moves downward with respect to float.Realize one time transducing.
Arrive when wave wave peak shown in Fig. 6-2, float is moved up by floating function.Because hawser is fixed on the mooring anchor,, drags flywheel and move clockwise so the hawser tension moves downward with respect to float.Realize one time transducing.
When paddy arriving of wave wave or return, the float gravitate moves down shown in Fig. 6-3, and hawser is loose.The rope device that returns in the wave-type electric generator moves counterclockwise, and regaining hawser is that transducing is prepared next time.
Gush front and back to waving arriving when the right side, wave wave peak shown in Fig. 6-4, the stressed effect of float is universal moves.Because hawser is fixed on the mooring anchor,, drags flywheel and move clockwise so the hawser tension moves downward with respect to float.Realize one time transducing.
Embodiment 2: the another kind of implementation that is illustrated in figure 7 as embodiment 1, because principle is the same, here identical part is not given unnecessary details, only be described at different places, one end of the hawser 11 that twines on the strand cable dish device 7 of device is connected on the mooring anchor 12, and the other end is fixed on the overcast 20, can improve energy storage efficiency like this, be all can drive flywheel to be rotated promptly, but cost can be very high in the device upstream or downstream.
This wave energy storage device transduction principle shown in Figure 8 is as follows:
Universal swinging arriving before and after gush on a left side, wave wave peak shown in Fig. 8-1, the stressed effect of float is universal moves.Hawser is fixed on mooring anchor and the overcast, and the hawser tension moves downward with respect to float, drags flywheel and moves clockwise.Realize one time transducing.
Arrive when wave wave peak shown in Fig. 8-2, float is moved up by floating function.Because hawser is fixed on the mooring anchor,, drags flywheel and move clockwise so the hawser tension moves downward with respect to float.Realize one time transducing.
When paddy arriving of wave wave or return, the float gravitate moves down shown in Fig. 8-3, and hawser is loose.The rope device that returns in the wave-type electric generator moves counterclockwise, and regaining hawser is that transducing is prepared next time.
Gush front and back to waving arriving when the right side, wave wave peak shown in Fig. 8-4, the stressed effect of float is universal moves.Because hawser is fixed on mooring anchor and the overcast,, drags flywheel and move clockwise so the hawser tension moves downward with respect to float.Realize one time transducing.
Embodiment 3: be provided with engine room A and equipment compartment B in the shell of wave energy storage device (float) 1 as shown in Figure 2; It is that example describes that present embodiment is divided into three parts with indoor design: engine room, I equipment compartment, II equipment compartment; The top of shell (float) 1 is provided with air inlet system 15 and provides air for I equipment compartment and II equipment compartment, and the suction port of air inlet system is provided with water-tight device; Isolate by seal arrangement 19 between described engine room and the equipment compartment, equipment compartment constitutes sealed compartment, and seal arrangement 19 is provided with the stuffing box bearing that carries out transmission in addition; Be provided with strand cable dish device 7 in the described engine room, the rotating shaft of strand cable dish device 7 is fixed on the stuffing box bearing on the seal arrangement 19, and the hawser 11 on the strand cable dish device 7 is connected mooring anchor 12 and can also be fixed on the seabed in seawater for dangling; Being provided with back rope device 6 in the described equipment compartment can be clockwork spring, also can be spring energy storage device, ratchet unit 5, accumulated energy flywheel 3 and air compressor 14, the input shaft of described ratchet unit 5 is connected with the rotating shaft of strand cable dish device 7 by the stuffing box bearing that is arranged on the seal arrangement 19, the output shaft of described ratchet unit 5 is connected in the rotating shaft of air compressor 14 after by accumulated energy flywheel 3, described time rope device 6 is fixed on the input shaft of ratchet unit 5, and the suction port of described air compressor 14 is connected with air inlet system 15 by pipeline; Pulling strand cable dish device 7 rotated and emits hawser 11 when the hawser 11 on strand cable dish device 7 was subjected to external force traction, driving ratchet unit 5 by the stuffing box bearing on the seal arrangement 19 when strand cable dish device 7 rotates is rotated, ratchet unit 5 drives accumulated energy flywheel 3 and air compressor 14 is rotated, the power-converting that engine room is provided by accumulated energy flywheel 3 is metastable power, make air compressor 14 pressurized air, output in the gas-collecting device of outside by deriving tracheae 13, realize energy storage.Strand cable dish device 7 drives back 6 rotations of rope device and makes its energy reserve simultaneously; When the hawser 11 on strand cable dish device 7 was not subjected to external force traction, time rope device 6 that is arranged on ratchet unit 5 input ends released energy and drives strand cable dish device 7 backward rotation withdrawal hawser 11.Same engine room is provided with universal dragline pulley 10, and the hawser 11 on the strand cable dish device 7 is connected on the mooring anchor 12 after by dragline pulley 10; In addition, shell (float) 1 is by the same above secondary anchor that is fixed on the seabed of hawser be connected (as shown in Figure 3).Also be provided with speed change gear 4 in the equipment compartment, the output shaft of described ratchet unit 5 is connected with the input shaft of speed change gear 4, and accumulated energy flywheel 3 between, the output shaft of speed change gear 4 is connected in the rotating shaft of air compressor 14 after by accumulated energy flywheel 3.
Be connected on the mooring anchor 12 with coexist a mutually end of the hawser 11 that twines on the strand cable dish device 7 of embodiment 2, the other end is fixed on the overcast 20, to improve conversion efficiency, because the identical present embodiment of principle is not done too much description.
Embodiment 4: the pressurized air that device produces described in the embodiment 3 is transported to storage in the air collector (gas holder) 16 by deriving tracheae 13 as shown in Figure 5, again with several air collector parallel connections or series connection after constant voltage gas tank 17 injects the generating of energy drawing generators to compressed air engine 18.
Above-mentioned embodiment also can be by the network communication (wire/wireless) between several wavy hair electrical equipment unit, the whole electric energy intelligent management of realizing.
The utility model utilizes two big power sources in nature, natural water wave and pressurized air.Have following tangible characteristics: Clear ﹠ Transparent, it is convenient to carry, and does not have special harmful performance, does not have hazard of catch fire, is not afraid of overburdening, can work under many adverse environments, and water wave exists in the Jiang Hai lake, and air grows on trees on the ground, and is inexhaustible.Air normal pressure in the atmosphere is 0.1Mpa, through reaching desirable pressure after the air compressor pressurization.Air has compressibility, does mechanical work through air compressor and makes air after volume-diminished own, pressure improve pressurized air.Air compression energy storing technology (CAES), its principle is roughly as follows: utilize air compressor, the absorption of air among nature is compressed into density, effective atmosphere resource that high pressure is big, and store voltage stabilizing.(the CAES power station of setting up one 300 megawatt needs about 2,200 ten thousand cubic feet storage area, and the pressurized air that such space stores can be for power station continuous operations 8 hours.)
The above; it only is the preferable embodiment of the utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to replacement or change according to the technical solution of the utility model and inventive concept thereof, all should be encompassed within the protection domain of the present utility model.