WO2017012464A1 - Système d'acquisition d'énergie marémotrice comprenant une roue câblée à corps flottant - Google Patents

Système d'acquisition d'énergie marémotrice comprenant une roue câblée à corps flottant Download PDF

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Publication number
WO2017012464A1
WO2017012464A1 PCT/CN2016/088290 CN2016088290W WO2017012464A1 WO 2017012464 A1 WO2017012464 A1 WO 2017012464A1 CN 2016088290 W CN2016088290 W CN 2016088290W WO 2017012464 A1 WO2017012464 A1 WO 2017012464A1
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Prior art keywords
cable
rope
floating body
anchor
chain
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PCT/CN2016/088290
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English (en)
Chinese (zh)
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曲言明
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曲言明
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Publication of WO2017012464A1 publication Critical patent/WO2017012464A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
    • F03B13/14—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
    • F03B13/16—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem"
    • F03B13/18—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient

Definitions

  • the invention relates to a wave energy collecting system and belongs to the field of wave power generation.
  • Wave Energy Converter has not been commercialized so far. The problem is high cost, low efficiency, and poor ability to resist wind and waves. US20130200626 and CN 103423074A are the closest technologies.
  • the object of the present invention is to provide a floating body rope wheel wave energy collecting system, which adopts a counterweight or a pulley to collect the rope, and has better ability to prevent the bending and deformation of the energy collecting cable, thereby having higher collection efficiency.
  • a floating body rope wheel wave energy collecting system (referred to as a floating body rope wheel WEC), comprising a floating body, a gravity anchor, a linear rotation conversion transmission mechanism, a main shaft, a weight/tension spring; a floating body floating on the sea surface, and a gravity anchor below the floating body Underwater; there are three types of linear rotary conversion transmission mechanisms: main reel + main rope + sub reel + sub rope, or friction wheel + rope, or roller sprocket + roller chain;
  • the structure of the floating rope wheel wave energy collection system is: one end of the main rope is attached to the gravity anchor, and the other end is upwardly guided through the bottom of the floating body.
  • the cable/double roller cable clamp continues to extend upwards, and finally is wound and fixed at the end on the main reel.
  • the main shaft of the main reel is mounted on the floating body through the bearing and the bearing housing, and the main reel and the sub reel are connected through the main shaft.
  • the secondary reel is fixed and wrapped with a secondary cable, and the other end of the secondary cable extends downwardly on a counterweight; the tension of the secondary cable and the tensile force of the primary cable The torque generated by the main shaft is reversed; the main reel outputs rotational power through its axial output;
  • the structure of the floating body rope wave energy collecting system is: one end of the rope is attached to the gravity anchor, and the other end is upwardly extended by the cable guide/double roller cable clamp installed at the bottom of the floating body. After bypassing the friction wheel, it extends downwards and then is tied to a counterweight; the friction wheel is a wheel with a groove on the vehicle, and the surface of the groove has a large friction coefficient; the friction wheel outputs rotational power through the main shaft, and the main shaft passes through the bearing and the bearing.
  • the seat is mounted on the floating body; the friction wheel + rope can also be replaced by a ring sprocket + chain;
  • the structure of the floating body rope wave energy collecting system is: the floating body is a semi-closed shell with only the bottom opening, an upright straight pipe, the upper port of the straight pipe and the bottom of the floating body The hole is butt jointed and sealed, and the bottom end opening of the straight pipe is equipped with a cable guide/double roller cable clamp.
  • the straight pipe has a rolling chain, one end of which is attached to one end of a rope, and the other end of the rope Bottom through the cable guide/double roller cable clamp and attached to the gravity anchor below, the other end of the roller chain is wound up by a sprocket, and then extended downwardly to a weight, the Reinforcing in the straight pipe and having a certain gap with the inner wall of the straight pipe, the counterweight is provided with a vertical through hole through which the rope passes, and the sprocket outputs rotational power through the main shaft, which The main shaft is mounted on the floating body through the bearing and the bearing seat, and the straight pipe can also be regarded as a part of the floating body;
  • the weight can also be replaced by a tension spring, that is, the secondary rope / rope / rolling chain is attached to one end of the tension spring, and the other end of the tension spring is fixed on the floating body;
  • the rope/ring/roller chain between the main rope, the gravity anchor and the friction wheel/ring sprocket/roller sprocket is collectively called the energy cable, while the secondary rope, counterweight and friction wheel/ring sprocket
  • the rope/chain/roller chain of the section between the roller/sprocket wheels is collectively referred to as a reset cable.
  • the weight is connected to the reset cable through the second tension spring, that is, the second tension spring is connected to the weight at one end, and the other end of the second tension spring is connected to the reset cable;
  • the spiral wire outer rubber tube of the second tension spring Preferably: the spiral wire outer rubber tube of the second tension spring;
  • the second tension spring is connected in parallel with a rope, that is, one end of the second tension spring is connected to one end of the rope, and the other end of the second tension spring is connected to the other end of the rope, and the length of the rope is equal to that of the second tension spring. The length when stretched to the maximum.
  • a hard straight pipe through which the energy cable passes; the top of the hard straight pipe is docked with the bottom hole of the floating body through the rubber pipe, that is, the hard pipe top port is connected with the rubber pipe one port, the rubber pipe The other port is connected to the bottom hole of the floating body; or the top end of the hard straight pipe is connected to the bottom surface of the floating body through a rope, that is, the left and right sides of the port on the hard straight pipe are respectively connected to one end of the two ropes, and the two rope forks are separated, the two The other end of the rope is connected to the bottom surface of the floating body; a distance is left between the bottom end of the hard straight tube and the anchor base;
  • the main rope/rope/chain is threaded out from the cable guide/double roller cable clamp installed at the bottom end of the hard straight pipe; the double roller cable clamp/linear ball can also be installed somewhere in the hard straight pipe Bearing
  • the hard straight tube can also be replaced by a telescopic multi-stage sleeve, and the main rope/rope/chain is passed through the telescopic multi-stage sleeve, and the top end of the telescopic multi-stage sleeve is docked with the bottom surface of the floating body through the rubber tube, that is, the telescopic multi-stage
  • the top end of the sleeve is abutted with one end of the rubber tube, and the other end of the rubber tube is docked with the bottom surface of the floating body.
  • the telescopic multi-stage sleeve can also be connected to the bottom surface of the floating body through a rope, that is, the left and right sides of the upper port of the telescopic multi-stage sleeve are respectively connected.
  • a rope that is, the left and right sides of the upper port of the telescopic multi-stage sleeve are respectively connected.
  • One end of the two ropes, the two rope forks are separated, and the other ends of the two ropes are connected to the bottom surface of the floating body;
  • the telescopic multi-stage sleeve bottom port can also be connected in the same manner by a rubber tube or connected by a rope The gravity anchor;
  • the energy cable is passed through the cable guide/double roller cable clamp from the inlet ends of the telescopic multi-stage sleeve top and bottom.
  • the scraper strip extends only in a semi-cylindrical surface
  • the scraping strip has a small projection area in the circumferential direction of the rotation, and can be consolidated with a wave plate having a large projection area in a week;
  • the device for removing the attachment mechanism may also be: the floating body is a shape of a rotating body, an inner ring of a rotating bearing coaxial with the floating body is tightly sleeved on the surface of the floating body, and the outer ring of the bearing is fixed with a crankshaft, the crankshaft
  • the shape is elongated, close to the surface of the outer surface of the floating body, and extends in one axial section of the floating body and extends only on one side of the axis;
  • a roller brush is arranged on a straight line on the crankshaft, and the roller brush can rotate freely on the crankshaft. And close to the surface of the outer surface;
  • a wave receiving plate is fixed on the crankshaft, and the wave receiving plate has a large projection area in the circumferential direction.
  • the specific structure is: a tubular sliding sleeve, which is sleeved on the main rope/rope/chain, and the specific gravity of the sliding cylinder is larger than water
  • the outer edge of the upper end surface of the sliding cylinder is connected with a string extending obliquely to one side, the other end of which is fixed to the floating body, or the other end of the string is fixed and wound around a reel of a micro hoist Upper, the micro hoist is fixed on the floating body, and the motor of the micro hoist is controlled by the single chip/PLC;
  • a cable guide/double roller cable clamp/bristle is installed in the sliding cylinder
  • the friction wheel can be two to form a friction wheel set, that is, the friction wheel is connected with the gear shaft, and the friction wheel, the gear, the shaft and the bearing seat form a friction wheel gear unit, and the shaft passes
  • the bearing and the bearing seat are mounted on the floating body frame, and the two identical friction wheel gear unit axes are parallel, aligned, end face aligned and tightly mounted on the frame, and the gears of the two friction wheel gear units are meshed, but each The friction wheel is smaller than the gear, so the friction wheels do not interfere with each other; the shaft of one of the friction wheel sets outputs power, and the ropes are sequentially wound around the friction wheel of each friction wheel gear unit.
  • the rope is opposite to the direction of the first friction wheel in the forward direction and the direction around the second friction wheel;
  • one to several identical friction gear units are sequentially added, and are installed according to the above rules, each friction gear The gears of the unit only mesh with the gears of the previous friction gear unit, and one rope bypasses the friction wheel of each friction gear unit in the order of engagement, and the entire friction wheel set still has only one shaft output power of the friction gear unit;
  • the housing of the generator driven by the WEC is externally insulated to insulate the floating body, and the generator housing is connected to the bus line on one side thereof.
  • the generator shaft is externally driven by a coupling that is insulated from each other.
  • the generator can be either DC or AC, specifically:
  • the generator is a DC generator, it is connected in parallel with a power diode, the diode P pole is connected with the generator anode, and the parallel branch of the DC generator and the diode of the plurality of wave energy acquisition systems is connected in series in the same direction.
  • the generator is an alternator, the output end is connected to the rectifier bridge, and the output ends of the rectifier bridges of the alternators of the plurality of wave energy collection systems are connected in series on the bus according to the same direction;
  • the +-output terminal of the rectifier bridge can parallel filter capacitors.
  • the floating body sheave WEC of the non-rolling chain linear rotation conversion mechanism of the counterweight collecting rope another cable guide/double roller cable cutter is installed on the floating body, and the reset cable is from the guide Through the cable/double roller cable clamp;
  • anti-double rope winding mechanism which has the following structures:
  • the lateral standard side pull type one end of the cable is connected to the counterweight, the other end extends downward to one side, then extends around a pulley and then extends upwards, and finally connects an underwater float, the pulley frame of the pulley passes The rope is connected to another anchor base; or the weight is omitted, that is, the reset cable from the floating body is directly connected to one end of a cable, and the other end of the cable extends downward to one side, and then bypasses a pulley, and finally Connecting an underwater float, the pulley frame of the pulley is connected to the other anchor base by a rope;
  • one end of the suspension chain is attached to the counterweight, the other end extends downward to one side, and finally connected to a ground anchor, which can also be replaced by a length of cable, cable Intermediate weight;
  • the side buoy side pull type a buoy is added at a certain distance around the floating body, the buoy and the buoy are anchored somewhere by a mooring system, one end of a cable is attached to the counterweight, and the other end is Extending below the buoy, extending downwards around a pulley, and finally connecting a weight, the pulley frame of the pulley is connected to the bottom surface of the buoy by a rope;
  • a cable guide/double roller cable clamp that passes through the reset cable from the floating body is mounted on the side of the floating body, and the reset cable extends horizontally after passing through the cable guide/double roller cable clamp.
  • the cable guide/double roller cable cutter on the side of the buoy is passed, and then the guide roller mounted on the buoy is turned to extend downward, and then the cable guide passing through the bottom surface of the buoy/ Double roller cable clamps, then continue to extend downwards, and finally attached to the counterweight;
  • the direction of the reset cable can be omitted Anchor chain/anchor cable; that is, the reset cable can also be used as an anchor cable to play a mooring effect on the floating body/buoy;
  • the side chain of the anchor chain the floating body is anchored at a certain point by a multi-point mooring system, and the weight connected to the reset cable is connected with one end of a cable, and the other end of the cable extends obliquely downward to one side to Near the middle of a certain anchor chain of the mooring system, a pulley is bypassed and a weight is connected downwardly, and the pulley frame of the pulley is connected to the middle of the anchor chain by a rope; the weight can also be omitted So that the reset cable is directly connected to one end of the cable, and the weight is used as a counterweight for collecting the rope;
  • the cable/cable of the side-pull weight may not be directly connected to the counterweight but connected by a hard straight rod, ie cable/cable and hard straight Connected at one end, the other end of the hard straight rod is connected to the weight;
  • one side of each side of the weight connected to the reset cable is one anchor chain, two anchor chains are separated from the two sides, and the other end of each chain is connected with a gravity anchor /grass anchor; anchor chain can also be replaced by anchor cable, but should be heavy in the middle of the anchor cable; can also save the weight, so that the reset cable and the two anchor chain / anchor cable directly connected to form an inverted Y-shaped structure;
  • the lower half of the cable can be replaced by a hard straight rod, and the bottom end of the rigid straight rod is connected with the gravity anchor by a pair of locking rings that are mutually engaged;
  • the floating body has two sets of the same coaxial main drum/friction wheel/ring sprocket with a certain axial distance and the supporting energy cable, and the two energy cables pass through their respective After the fairlead/dual roller fairlead, continue to extend downward, and then respectively pass through two vertical holes on the counterweight which are separated by a certain distance, and finally connected to the gravity anchor;
  • a cable guide/double roller cable clamp is provided, and the cable guide/double roller cable cutter is passed through the cable;
  • Design 1 Adopting the pulley method, that is, the two energy-generating cables that are to be connected to the gravity anchor extending downward from the floating body, instead of being merged into a pile near the gravity anchor and bypassing a pulley, the pulley frame of the pulley Connecting the gravity anchor through a rope;
  • the floating body is composed of a second floating body and a equipment compartment, the second floating body is on the water surface, the equipment compartment is below it, and the equipment compartment is a semi-closed housing having only the bottom opening, the spindle, the reel/friction
  • the wheel/ring sprocket/roller sprocket, bearing and bearing seat are all installed in the equipment compartment, and the cable guide/double roller cable tong is installed at the opening of the bottom of the equipment compartment;
  • connection between the second floating body and the equipment compartment adopts a U-ring manner, the left outer wall of the equipment compartment shell is fixed with one end of the cylinder, and the right outer wall is also fixed with one end of the other cylinder, two cylindrical coaxial lines, Two cylinders are respectively inserted into two holes of a U-shaped ring, and the outer side of the middle section of the U-shaped ring is connected with the bottom end of the second floating body; the cylinder axis and the cable guide/double roller guide through which the two energy cables pass The position of the cable clamp is perpendicular to the line and coincides with the midpoint of the line;
  • Design 3 For the lower part of the floating body rope wave energy collecting system, the two energy collecting cables are not connected to the gravity anchor first, and then the two ends of a hard straight rod are respectively connected, and the hard straight rod is connected with the gravity anchor through the Y-shaped rope. , that is, the two top ends of the Y-shaped rope are respectively connected with the two ends of the hard straight rod, and the bottom end of the Y-shaped rope is connected with the gravity anchor;
  • the floating body is a second floating body suspension equipment cabin structure, and the connection between the second floating body and the equipment compartment adopts a U-ring/single rope/Y-shaped rope connection manner; the U-shaped ring connection is designed 2
  • the connection method is as follows: one end of a cable is connected to the bottom surface of the second floating body, and the other end is connected to the bottom point of the equipment compartment, and the point is to be at the center line of the two energy cables (upward pulling equipment)
  • the cabin allows the two energy cables to be straightened.
  • two nearly parallel energy cables can define a plane with a straight line parallel to the two energy cables, equidistant, which is the center line) and the equipment bay.
  • the Y-shaped rope connection means that the plane of the Y-shaped rope is first parallel to the two straightened mining cables, and then the center point of the Y-shaped rope is placed on the extension line of the centerline. Then the top ends of the Y-shaped rope are connected to the top surface of the equipment compartment; preferably: the plane of the Y-shaped rope coincides with the plane of the two energy-receiving cables;
  • hanging anchor refers to the gravity anchor suspended in the water; there are two, the first one: the two ends of the gravity anchor are respectively separated from the two ropes that are suspended from the upper fork Connecting, the other ends of the two ropes are respectively connected to two floats spaced apart by a certain distance on the sea surface, the two floats are anchored; the gravity anchor is provided with a vertical through hole, and the reset cable is worn through the vertical hole Continue to go down afterwards, and finally connect the weight;
  • the second type a cable is wound from a groove pulley, and the gravity anchor tip is fixed to the pulley frame of the pulley, and the two ends of the cable are respectively connected to two floats separated by a certain distance on the sea surface.
  • the two floats are anchored, and the gravity anchor is provided with a vertical through hole, and the reset cable continues to extend downward from the through hole to connect the weight;
  • an overrunning clutch for the core system, it is preferable to further include an overrunning clutch, a retracting ratchet mechanism, a differential/planetary gear, and an energy storage and carrying device; the linear rotary conversion transmission mechanism and one end of the overrunning clutch are connected or passed through a gear/chain The transmission is interlocked, the other end of the overrunning clutch is coupled with the ratchet shaft of the retracting ratchet mechanism, and the retracting pawl is mounted on the frame, the ratchet is coupled to the first power end of the differential/planetary gear, the differential The second power end of the planet/planetary gear drives the generator, differential/planet The third power end of the gear is connected to the rotating member of the input power of the energy storage device; the energy storage device has three types:
  • the first type of energy storage device is hydraulic, including hydraulic & mechanical energy exchange devices and pressure regulating devices;
  • the hydraulic & mechanical energy exchange device is divided into two types, one is a hydraulic cylinder, that is, a long acting piston rod of a single-acting hydraulic cylinder, and the extended excess section is formed into a rack, and meshes with the gear, the gear and the gear
  • the third power end of the differential/planetary gear is axially coupled, the single-acting hydraulic cylinder is fixed on the frame, and the inlet and outlet ports are connected to the accumulator through the oil pipe;
  • the gear rack transmission mechanism can also be replaced by a sprocket chain transmission mechanism, that is, the third power end of the differential/planetary gear is axially coupled with the roller sprocket, and one end of the roller chain meshing with the single acting hydraulic cylinder
  • the piston rod is connected, the other end of the roller chain is a weight/tension spring, and the other end of the tension spring is attached to the frame;
  • the single-acting hydraulic cylinder inlet and outlet ports are connected to the accumulator through the oil pipe;
  • the weight is in a vertical sliding cylinder and maintains a gap with the inner wall thereof, and the sliding cylinder is fixed on the frame;
  • the rack and pinion transmission mechanism can also be replaced by a reel rope transmission mechanism, that is, the third power end of the differential/planetary gear is coupled to the reel, and one end of the cable is fixed and wound on the reel, and the other end of the cable Connected to a piston rod of a single-acting hydraulic cylinder; the single-acting hydraulic cylinder inlet and outlet ports are connected to the accumulator through the oil pipe;
  • the second hydraulic & mechanical energy exchange device adopts a positive displacement pump and a motor, that is, a positive displacement of the positive displacement pump and the motor and the third power end of the differential/planetary gear; an inlet and outlet port of the positive displacement pump and the motor is connected through the oil pipe The fuel tank, the volume pump and the other inlet and outlet port of the motor are connected to the accumulator through the oil pipe;
  • the above two types of hydraulic & mechanical energy conversion devices can be configured with three types of pressure regulating devices:
  • the first type is: the air bag of the accumulator is connected to the air pipe through an outlet of the electric valve distribution type air pump, the inlet of the valve distribution type air pump is connected to the atmosphere, and the valve is matched between the valve type air pump and the air bag.
  • a gas pipe branch is separated, the gas pipe branch is connected to the atmosphere through a solenoid valve, and the MCU obtains pressure information according to the pressure sensor on the gas pipe connected to the air bag, and starts and stops the control valve flow-type air pump, and the electromagnetic valve is turned on and off.
  • the valve-fitted hydraulic pump can also be replaced by a series branch of the end-distribution hydraulic pump and the check valve, and the conduction direction of the check valve is facing the side of the airbag;
  • the second type is: the air bag of the accumulator is connected to the air pipe, and the air pipe is connected to an electric end face distribution piston pump through the pressure sensor and the electromagnetic valve, and the other inlet and outlet of the end surface distribution piston pump is connected to the atmosphere; Taking the information sent by the pressure sensor to control the start and stop of the end face distribution piston pump and the opening and closing of the solenoid valve;
  • the third type the hydraulic and mechanical energy exchange device has a plurality of accumulators and different airbag pressures; the single-acting hydraulic cylinder/volume pump & motor inlet and outlet (high-pressure side), the oil pipe is led out, and the fork is divided into a plurality of branches. Road, each branch passes through a solenoid valve and is connected to an accumulator. The accumulator airbag pressure on each branch is different.
  • the MCU/PLC can control the on-off solenoid valve of each branch.
  • the single-acting hydraulic cylinder/volume pump and the motor inlet and outlet have a pressure sensor on the extracted oil pipe, and the MCU/PLC performs switching control on the electromagnetic valve on each branch according to the pressure sensor;
  • the second energy storage device is pneumatic, that is, the third power end of the differential/planetary gear is coupled with the roller sprocket, and one end of the roller chain meshing with the roller sprocket and the piston of the first cylinder
  • the rod is connected, the first cylinder is a single-acting cylinder; the other end of the roller chain is a weight/tension spring, and the other end of the tension spring is attached to the frame; the first cylinder is fixed on the frame, on the first cylinder
  • the inlet and outlet air holes are connected to the rear load-carrying device through the air pipe, and the load-carrying device has two types, a cylinder type and an air pump type;
  • Cylinder type the air pipe drawn from the first cylinder is connected to a second cylinder after passing through a solenoid valve.
  • the second cylinder is a single-acting cylinder.
  • the piston rod of the single-acting cylinder is lengthened, and the lengthened portion is made into a rack.
  • the gear meshing with the rack is coupled to the rotor shaft of the servo motor controlled by the PLC, and the PLC is controlled according to the motor state fed back by the position module of the servo motor or the signal of the pressure sensor on the air pipe drawn by the first cylinder.
  • Rotation of servo motor, on/off of solenoid valve
  • Air pump type one inlet and outlet of the air pump is connected to the atmosphere, and the other air inlet is connected to a gas pipe.
  • the gas pipe is connected to the single-acting cylinder via a solenoid valve, and the air pump is connected with the rotor shaft of the servo motor;
  • Air tube The signal of the pressure sensor on the upper to control the rotation of the servo motor and the on/off of the solenoid valve;
  • the sprocket chain mechanism described above can be replaced with a reel tether mechanism/gear rack mechanism.
  • the third type of energy storage device is spring-loaded, that is, the third power end of the differential/planetary gear is coupled to the reel, one end of the cable is fixed and wound on the reel, and the other end of the cable is
  • the tension spring is connected at one end, and the other end of the tension spring is connected to one end of the webbing.
  • the other end of the webbing is fixed and wound on a hoist drum.
  • the motor of the hoisting machine is connected to the reel shaft through a torque sensor, and the MCU/PLC passes through the reading center.
  • the data of the torque sensor is used to perform forward and reverse rotation and brake control on the hoist.
  • a torque limiter is inserted between the linear rotary conversion transmission mechanism and the overrunning clutch, that is, the main shaft of the linear rotary conversion transmission mechanism is coupled to one end of the torque limiter, and the other end of the torque limiter is coupled to the one end shaft of the overrunning clutch. ;
  • the MCU/PLC of the energy storage device can receive an external control command through an external antenna
  • a position sensor for monitoring the position of the piston is mounted on the cylinder/cylinder, and the position sensor signals the MCU or the PLC.
  • the reset cable in the wave energy collecting system of the floating body of the floating body of the present invention is connected with the weight by the spring, which can improve the recovery force of the energy-harvesting force when the trough is increased, and reduce the loss of the wave height caused by the flexible bending of the energy-consuming cable. Reduce the reset cable force during peaks, allowing more buoyancy of the float to be used for work.
  • the hard straight tube/multi-stage telescopic sleeve in the invention can avoid the bending of the energy-harvesting cable directly under the impact of seawater (if there is too much bending, a part of the wave height is used for straightening the energy-harvesting cable when the floating body is floating), thereby Avoid wave height loss.
  • the "scraper/pressure roller to remove marine attachment" solution in the present invention removes the attached marine attached organism on the surface of the floating body by means of the torque generated by the impact force of the seawater, eliminating the need for manual removal of the deposit.
  • the "sliding tube removes the attachment on the rope" scheme utilizes the energy-harvesting cable to remove the attachment with respect to the sliding cylinder movement, thereby eliminating labor costs.
  • the linear rotation conversion transmission mechanism of the "friction wheel set + rope" in the present invention can make the rope not have to be repeatedly wound like a reel, which reduces the volume, and at the same time, saves part of the speed increasing mechanism and reduces the cost.
  • the motor insulation series solution can solve the energy collection problem of wave power generation at a low cost, and also improves the safety reliability.
  • the energy storage transfer system of the present invention can convert unstable wave power into a stable power required for the rotation of the generator, and can adjust the workload.
  • Figure 1 WEC structure diagram of self-guided anti-wrap mechanism + reel mechanism + spring weight of double main rope
  • FIG. 1A Structure of the second floating body through the U-ring suspension equipment compartment
  • FIG. 1B Pulley equalization double mining cable tension structure diagram
  • Figure 3 Front view of the WEC of the friction wheel set + multi-rope guide + Y-connection
  • Figure 4 WEC side view of friction wheel set + single catenary anti-wrap mechanism + spring weight + hard straight tube
  • Figure 4A Structure of the rubber tube of the tension spring coat
  • Figure 5 Schematic diagram of the double catenary anti-wrap mechanism
  • Figure 6 Schematic diagram of multi-stage telescopic sleeve structure
  • Figure 7 Structure diagram of scraper-type removal marine attachment device
  • Figure 8 Structure diagram of the roller attachment, winch & slide removal marine attachment device
  • FIG. 9 Multi-WEC generator series electrical schematic diagram
  • Figure 10 abbreviated side-side side pull-reset cable top view
  • Figure 11 Structure diagram of the side chain of the anchor chain pulley pull-retracting cable + side buoy suspension pulley side pull weight
  • Figure 12 Structure diagram of the energy storage system (cylinder energy storage, cylinder pressure regulation)
  • FIG. 13 Structure diagram of the energy storage system (pump & motor + accumulator, solenoid valve + pump pressure regulation)
  • FIG. 14 Structure diagram of the energy storage system (tension spring energy storage, hoist adjustment)
  • FIG. 15 Structure diagram of the energy storage system (hydraulic cylinder + accumulator, pump & motor pressure regulation)
  • FIG 16 Structure diagram of the energy storage system (hydraulic cylinder + multi-accumulator + multi-solenoid valve)
  • the linear rotation conversion mechanism is a main reel 25 + a main rope 16 + a sub reel 54 + a sub rope 61
  • the rope collecting member is a counterweight 51.
  • One end of a main rope 16 is attached to the gravity anchor 28, and the other end is extended upward through the cable guide 57/double roller cable clamp mounted on the bottom of the floating body 21, and then extended upward, and finally wound and fixed at the main reel 25
  • the main shaft 27 of the main reel 25 is mounted on the floating body 21 via a bearing 56 and a bearing housing.
  • the main reel 25 and the sub reel 54 are coupled by a main shaft 27 or by a gear/chain transmission mechanism, and the sub reel 54 is connected.
  • the linear rotation conversion mechanism is a roller sprocket 64
  • the rope collecting member is a weight 51
  • one of the upright straight tubes 66 is docked with the hole at the bottom of the equipment compartment (the second floating body 93 is hung with the equipment compartment 7 below).
  • the lower end of the straight pipe 66 is provided with a cable guide 57/double roller cable cutter, and the straight pipe 66 has a roller chain 76, one end of which is attached to one end of a rope 32, the rope
  • the other end of the roller 32 is passed down through the cable guide 57/double roller cable clamp and is attached to the gravity anchor 28 below.
  • the other end of the roller chain 76 is wound upwards around a sprocket 64, and then extends downwardly to connect one.
  • the weight 51 is in the straight pipe 66 and has a certain gap with the inner wall of the straight pipe 66.
  • the weight 51 is provided with a vertical through hole through which the rope 32 passes.
  • the sprocket 64 outputs rotational power to the outside through a main shaft (indicated by a broken line), and the main shaft is mounted on the equipment compartment 7 through a bearing and a bearing housing;
  • the linear rotation conversion mechanism of Fig. 4 is a friction wheel 53, one end of which is attached to the gravity anchor 28, and the other end is upwardly passed through a cable guide 57/double roller cable clamp mounted on the bottom of the floating body 21, and extends upwardly.
  • the friction wheel 53 (this figure is actually a plurality of friction wheels, explained later) extends downward and then is attached to a weight 51; the friction wheel 53 is a wheel with a groove on the vehicle, and the surface friction coefficient of the groove is large;
  • the friction wheel 53 outputs rotational power through its main shaft 27, and the main shaft 27 is mounted on the floating body through the bearing 56 and the bearing seat; the friction wheel 53 + the rope 32 can also be replaced by the ring sprocket 50 + the chain 72 (see Fig. 16);
  • the weight 51 can also be replaced by a tension spring 22 (as shown in Figs. 8, 13), that is, the secondary cable 61/rope 32/roller 76 is attached to one end of the tension spring 22, and the other end of the tension spring is fixed to the floating body. 21;
  • the floating body sheave WEC uses the relative motion between the floating body and the underwater gravity anchor to collect the wave energy.
  • the gravity anchor acts as a relative reference point.
  • the picking cable is pulled, so that it pulls the linear rotation conversion mechanism to rotate, and the linear rotation conversion mechanism converts the rotation linearly into a rotary motion to output power.
  • This process also pulls the rope collecting member (spring/weight) to store energy.
  • the linear rotation conversion mechanism reverses to recover the energy collecting cable. This cycle.
  • Section II Sometimes a series of problems can occur if the equipment cabin is directly subjected to sea wave impact as a sea surface float.
  • the linear rotary conversion mechanism is a roller sprocket 64, which requires a long straight pipe 66 to ensure that the weight 51 has sufficient stroke space (10 m), and if the equipment compartment 7 is used as a floating body on the sea surface (i.e., removed) The second floating body 93), then because the water resistance of the cylindrical long straight cylinder 66 is large, when the equipment compartment 7 is impacted by the horizontal waves, a very large stress is generated at the joint of the equipment compartment 7 and the straight pipe 66, which is liable to cause damage.
  • the solution is: the floating body is designed as the second floating body 93 on the water surface, and the equipment compartment 7 is suspended.
  • the bottom of the equipment compartment 7 is bored and docked with the top port of the straight pipe 66 for sealing welding.
  • the spindle 27 and the rolling chain are arranged.
  • the wheel 64, the bearing and the bearing seat are all installed in the equipment compartment 7, the cable guide 57/double roller cable clamp is installed at the bottom end of the straight pipe 66, and one end of one chain 72 is attached to the bottom end of the second floating body 93.
  • the other end is at the top of the equipment compartment 7, and the equipment compartment 7 should be small in size to reduce the impact of water, and the internal mechanism attached to the equipment compartment 7+ may have a larger specific gravity than the water, and is completely suspended by the second floating body above.
  • the tilting movement of the second floating body 21 on the sea surface does not cause the tilting of the equipment compartment 7, and the equipment compartment 7 can be regarded as having been subjected to the pulling force at both ends of the top and the bottom end of the long cable.
  • the top end of the equipment compartment 7 is preferably on the axis of the straight cylinder 66 such that the straight tube 66 and its junction with the equipment compartment 7 will not exhibit large bending moments.
  • the directional casters 75 mounted sideways of the counterweight 51 can be rolled up and down within the straight tube 66 to avoid friction with the inner wall.
  • Section III As shown in FIG. 1, the weight 51 is connected to the secondary cable 61 through the second tension spring 18, that is, the second tension spring 18 is connected to the weight 51 at one end, and the other end of the second tension spring 18 is connected to the secondary cable 61.
  • the purpose is mainly to make the tension of the reset cable larger than that of the second tension spring 18, and the tension of the secondary cable 61 is relatively smaller at the peak.
  • Example: The essence of waves is the approximation of water quality points The circular motion (assuming counterclockwise), the up and down speed of the secondary rope is determined by the floating body, and the length of the pulling force of the second tension spring 18 by the weight 51 when the WEC is stationary is defined as the balanced length.
  • the sub-rope 61 When the floating body 21 is decelerated in the vertical direction from 9:00 to -6 o'clock, the sub-rope 61 is also in a decelerating state, because the inertia of the counterweight 51 and the pulling force of the second tension spring 18 are determined by the amount of elongation thereof.
  • the weight 51 moves downward relative to the reset cable, and the second tension spring 18 is slowly enlarged.
  • the valley When the valley is pulled, the length of the second tension spring 18 is pulled beyond the balance length, thereby producing a larger wet weight than the weight 51.
  • the reset tension (experiment shows that it is sometimes more than 2 times), and at 6-3, the elastic potential of the second tension spring 18 works on the weight 51, and the weight 51 is thrown up through 3 points, at the peak.
  • the inertia of the weight 51, the length of the second tension spring 18 is smaller than the balance length, and the reset cable tension is relatively smaller, sometimes 0.
  • the length of the rope 41 is the length of the tension spring at maximum stretching. The rope 41 protects the second tension spring 18 from being pulled too long and is damaged.
  • the floating body has a weight 65 with a vertical through hole and a guiding column on the floating body. 8 is passed through the hole, and the pressure spring 5 is connected under the weight 65.
  • the weight 65 can also be disposed outside.
  • the lower weight 65 of the figure is sleeved on the straight pipe 66, and the upper end of the weight 65 is connected to one end of the spring 15, the spring. 15 The other end is connected to the bottom of the equipment compartment 7.
  • the principle is the same as above, but the action object is different. Of course, it is better to add the second tension spring 18 between the roller chain 76 and the weight 51.
  • Section IV As shown in Fig. 4, the linear rotation conversion mechanism of the WEC is a friction wheel set (explained later). Since the floating body 21 is continuously swaying and the impact of the Shanghai flow is added, the rope 32 is bent under the action of the lateral force. In order to suppress such bending, a hard straight pipe 95 is added, and the energy cable 26 is passed through the hard straight pipe 95. The top end of the hard straight pipe 95 is butted against the bottom hole of the floating body 21 through the rubber pipe 82, that is, the top end of the hard straight pipe 95 and the rubber pipe 82.
  • One port is docked, and the other port of the rubber tube 82 is docked with the bottom surface of the floating body 21 (the hard straight tube 95 + the rubber tube 82 + the floating body 21 is internally fused into a semi-closed space, and the opening is at the bottom of the hard straight tube, and the inside can be injected with high-pressure air,
  • the internal water surface is forced to the bottom of the hard straight pipe 95 to better prevent seawater from intruding into the cavity of the floating body 21, or the bottom surface of the floating body is connected by a rope 41 as shown in Fig. 6.
  • the rubber tube 82/rope 41 allows the hard straight tube 95 to be movably connected to the float and can be tilted freely.
  • a distance is left between the bottom port of the hard straight pipe 95 and the anchor base 28 to prevent the bottom end of the hard straight pipe 95 from hitting the anchor base 28 when the floating body 21 is moved up and down with the hard straight pipe 95.
  • the cable guide 68/double roller cable clamp installed at the bottom end opening of the hard straight pipe, the energy cable 26 from the cable clamp 68/double roller
  • the cable guide is passed through;
  • the cable guide/double roller cable clamp/linear ball bearing can also be installed somewhere in the hard straight pipe to avoid the friction between the energy cable 26 and the inner wall of the hard straight pipe 95;
  • the hard straight tube can also be replaced with a telescopic multi-stage sleeve 78, see Fig. 6, the energy cable 26 passes through the telescopic multi-stage sleeve 78, and the top end of the telescopic multi-stage sleeve 78 is docked by a rubber tube or connected to the floating body by a rope 41.
  • the bottom surface of the 21 i.e., one end of one end of the rope 41 of each of the top ends of the telescopic multi-stage sleeve 78, the other ends of the two ropes 41 are separated and attached to the bottom surface of the floating body 21).
  • the bottom end of the telescoping multistage sleeve 78 is docked by a rubber tube 82 or connected to the gravity anchor 28 by a rope.
  • a cable guide/double roller cable clamp/linear ball bearing 79 is installed at or at the inlet ends of the top and bottom of the top and bottom to prevent the energy cable 26 from rubbing against the inner wall.
  • the hard straight tube and telescopic multi-stage sleeve of this section use its strong bending rigidity to allow the rope to be hidden from the seawater and can be applied to all occasions to prevent the rope from bending and deforming.
  • Section V See Figure 7.
  • the floating body on the sea surface is often attached by marine organisms.
  • This figure shows the solution.
  • the floating body 21 is a rotating body shape, and a rotating bearing 56 coaxial with the floating body 21 is The inner ring is tightly placed on the surface of the floating body 21 Upper, an elongated strip 83 is fixed on the outer ring, and the strip 83 extends close to the outer surface of the floating body 21;
  • FIG. 7B is a bottom view.
  • the strip 83 extends only in a semi-cylindrical surface
  • the scraper 83 has a small projection area in the circumferential direction of its rotation, and can be consolidated with the wave-receiving plate 84 having a large projection area in a single direction to enhance the driving force of the wave/current.
  • the apparatus for removing the attached matter may also be such that the floating body 21 is in the shape of a rotating body, and an inner ring of the rotary bearing 56 coaxial with the floating body 21 is tightly fitted on the surface of the floating body 21, and the outer ring of the bearing 21
  • a crankshaft 87 is fixed, the crankshaft 87 is elongated in shape, is adjacent to the outer surface of the floating body 21, and extends in the same axial section of the floating body 21 and on one side of the axis; a roller is disposed on a straight section of the crankshaft 87.
  • the brush 86, the roller brush 86 is freely rotatable on the crankshaft 87 and is in close contact with the outer surface of the floating body 21; this principle is the same as that of the above-mentioned blade, and also utilizes the impact of waves/currents, except that the sweeping tool is scraped
  • the strip 83 becomes a roller brush 86. Since the roller brush 86 is to be frictionally rubbed against the surface of the floating body 21, the linear speeds at different rotation radii may be different, which inevitably leads to sliding friction. To reduce the resistance, for the straight line segment of the crankshaft having a long length in the radial direction of the floating body, the set of rollers The brush 86 is divided into several pieces, and the series is placed on the straight section of the crankshaft.
  • a wave receiving plate 84 on the crankshaft 87 which has a large projected area in the circumferential direction of the bearing.
  • This section scraper 83 / roller brush removal sea creatures program applies to all sea buoys, not limited to WEC floats.
  • Section VI: Figure 8 further includes a marine attachment device for removing the main rope/rope/chain, the specific structure is: a tubular sliding cylinder 89, which is sleeved on the energy-generating cable 26, and the sliding cylinder 89 has a specific gravity greater than water.
  • the outer edge of the upper end surface of the slider 89 is connected to a string 88 which extends obliquely to one side and whose other end is fixed and wound on a reel of a micro hoist 35 which is fixed to a cantilever 6
  • the motor of the hoisting machine 35 is controlled by an MCU (i.e., a single chip microcomputer)/PLC, and the other end of the cantilever 6 is fixed to the outer side surface of the floating body 21.
  • MCU i.e., a single chip microcomputer
  • the string 88 can also be directly fixed to the outer edge of the bottom surface of the floating body 21, because the roller brush 86 is prevented from being swept, so it can be fixed to the bottom end of the cantilever 6.
  • the principle is as follows: due to the adoption of the floating body sheave WEC The cable 26 is continuously operated up and down relative to the floating body 21, and the slider 89 relies on its own gravity to tighten the string 88, that is, it is almost immovable with respect to the vertical direction of the floating body 21, so the slider 89 is opposite to the energy harvesting.
  • the cable 26 moves up and down to sweep the attachment on the energy cable 26, in order to prevent the inner wall of the sleeve 89 from wearing the energy cable 26, preferably: the cable guide 89 is equipped with a cable guide/double roller cable cutter 68/bristles; The rotation of the sleeve 89 around the energy-generating cable 26 is prevented, and the winding of the string 88 occurs.
  • the upper port of the sleeve 89 is opened to form a flared flange 81, and the string 88 is attached to the flange.
  • the purpose of the string 88 being fixed and wound on the hoisting machine 35 is that the working depth of the slider 89 can be controlled by the MCU, and of course, in the season when the waves are small, the MCU continuously receives the hoist 35 by controlling it.
  • the string 88 is placed to continuously move the slider 89 up and down so that the attachment can be removed autonomously without depending on the waves.
  • This section of the winch suspension hoisting scheme for removing the energy-harvesting cable is also applicable to all offshore ropes.
  • Section VII Section I mentions the use of the friction between the friction wheel and the rope to convert the linear motion into a rotary motion conversion mechanism, since the friction is a transmission with a small F/V (force transmission material volume) Way, so need to be enhanced.
  • Figure 3 shows the design of a series of friction wheels + energy cables and series connection.
  • Figure 3 shows the tandem scheme from the front and Figure 4 from the side. The two diagrams are combined.
  • the friction wheel 53 is ABCDE, which constitutes a friction wheel set, that is, the friction wheel 53 and the gear 38 are axially connected through the shaft 27, and the friction wheel 53, the gear 38, the shaft 27 and its bearing seat constitute a friction wheel gear unit, and the shaft 27 is mounted on the floating body frame through the bearing housing, and the five identical friction wheel gear unit axes are parallel, in the same direction, The end faces are aligned and sequentially mounted on the frame, and the gears 38 of the five friction wheel gear units are sequentially engaged (arranged like the Olympic rings), but each friction wheel 53 is smaller in size than the gears, so the friction wheels 53 are not Interference; the shaft 27 of one of the units of the friction wheel set outputs power, and the rope 32 is wound around the friction wheel 53 of each friction wheel gear unit in a meshing order, the so-called winding means that the rope 32 is wound in the forward direction The direction of the adjacent two friction wheels is always opposite.
  • This design allows a rope to generate more friction.
  • Scope of application Applicable to all occasions that rely on the friction of the rope for linear rotary power conversion, not limited to WEC.
  • the generator is DC
  • a power diode is connected in parallel
  • the diode P pole is connected with the generator anode
  • the parallel branches of the DC generator and the diode of the plurality of wave energy acquisition systems are connected in series in the same direction to form a bus.
  • the generator When the generator generates electricity, the voltage at both ends causes the diode to be cut off, the bus current passes through the generator, and the generator outputs power. When the generator does not generate electricity, the internal resistance of the generator will generate a voltage drop, thereby causing the diode to conduct. The bus current passes through the diode and does not pass through the generator, thereby reducing the power consumption generated by the internal resistance of the generator.
  • the generator is AC
  • the output end is connected to the rectifier bridge, and the output ends of the rectifier bridges of the alternator of the plurality of floating body sheaves WEC are connected in series in the same direction to form a bus;
  • the rectifier bridge can also be connected with a parallel filter capacitor To filter out the AC components.
  • the direction of the bus current is the diode "generator" diode.
  • the generator does not generate electricity, the generator is equivalent to the resistor, generating a voltage drop. At this time, the bus current passes through the two parallel series diode branches in parallel. Without the generator, the power consumption caused by the internal resistance is avoided.
  • the series connection brings a problem, that is, the accumulated potential, that is, because a lot of WEC generator voltages are added together, the voltage is getting higher and higher, and if the generator housing is connected to the floating body, then part of the generator housing and its armature
  • the potential between the windings is very large, so that it is easy to break through the windings. Therefore, the metal shell of the generator is wrapped with an insulating layer 63, and the shaft of the generator and the outside are also insulated by a coupling 62 insulated at both ends to achieve insulation.
  • the metal housing of the generator is in communication with the conductor on one side of the bus, so that the potential difference between the generator housing and the armature winding is much smaller.
  • Section IX For the floating body sheave WEC working in the sea, the floating body is the floating body sheave WEC of the non-rolling chain linear rotation conversion mechanism for the weight-receiving rope, and the angle between the reset cable 45 and the floating body 21 Various changes will be made to prevent the reset cable from falling off the secondary reel/friction wheel/ring sprocket in order to prevent the reset cable from deviating from the normal working plane. In order to prevent the reset cable from rubbing against the floating body, another guide/double on the floating body is required. Roller cable clamp 57, the return cable passes through the cable guide 57/double roller cable clamp, see all the weight collection rope legend.
  • the lateral standard side pull type as shown in Fig. 12: one cable 69 is connected to the weight 51 at one end, and the other end extends downward to one side, then bypasses a pulley 60 and is finally connected to an underwater float 59.
  • the pulley frame of the pulley 60 is connected to the other anchor base 28 by a rope; or the weight 51 is omitted, that is, the secondary cable 61 coming down from the floating body is directly connected to one end of a cable 69, the cable 69 The other end extends downward to one side, then bypasses a pulley 60, and is finally connected to an underwater float 59.
  • the pulley frame of the pulley 60 is connected to the other anchor base 28 by a rope;
  • the buoyancy of the submersible 59 is slanted downwardly and pulled by one side of the counterweight 51 by the cable 69.
  • the resulting horizontal component force causes the counterweight 51 to leave the main rope 16 so that the sub-rope 61 and the main rope 16 are No entanglement will occur. If the counterweight 51 is omitted, it is equivalent to the submarine 59 as the rope collecting member of the WEC, and the buoyancy of the submarine 59 is used to recover the rope.
  • a single catenary side pull type see Figure 4: a length of cable 69, the middle weight 65, one end of the cable 69 is attached to the weight 51, the other end extends downward to one side, and finally connected to a grab anchor 70
  • the cable 69 can also be replaced with a catenary;
  • the wet weight of the weight 65 will tighten the cable 69 (the catenary generates a pulling force by the dispersed self weight), thereby generating a diagonal downward pulling force on the weight 51, and the horizontal component will pull the weight 51 away from the mining
  • the cable 26 is such that the reset cable 45 and the energy cable 26 are not entangled.
  • a buoy 91 is added at a certain distance around the floating body 21 (such as 50 meters), and the buoy 21 and the buoy 91 are anchored somewhere by the mooring system.
  • One end of a cable 69 is attached to the counterweight 51, the other end extends toward the buoy, extends downwardly around a pulley 60, and is finally connected to a weight 65.
  • the pulley frame of the pulley 60 is connected to the bottom surface of the buoy 91 through the rope 41. ;
  • the weight 65 which has a specific gravity greater than water, exerts a pull-down force on the cable 69. This tension is transmitted along the cable 69, thereby pulling the weight 51 away from the energy-generating cable 26, avoiding the occurrence of the energy-harvesting cable 26 and the reset cable 45. Winding.
  • the position of the pulley 60 can be placed at a depth of 10 m under water, just at the intermediate height of the up and down movement of the weight 51 (for example, at a depth of 0 m to 20 m), so that the cable 69 is pulled about horizontally (0 ⁇ 11.31 °).
  • the weight is used to more fully exert the wet weight of the weight 65, and is almost used to pull the weight 51 sideways.
  • the weight is 51, as in the first and second anti-wrap mechanisms, only part of the pulling force is used for The horizontal side pull weight 51, and some of the pulling force is in the vertical direction, which interferes with the tension of the reset cable 45.
  • the amount of tensile variation of the cable 69 caused by the movement of the weight 51 is relatively small, only ⁇ 0.99 m, and the weight 65 does not require a large vertical displacement, that is, the resistance of the water is relatively small. , thereby reducing the associated damping of the up and down movement of the counterweight 51.
  • the weight 65 serves as a counterweight for the rope; however, the reset cable 45 is not pulled vertically but obliquely.
  • the advantage of the vertical drop of the return cable 26 is that it does not generate a horizontal component of the floating body 21, avoiding the generation of bending moments.
  • the return cable (i.e., the secondary cable 61) from the floating body 21 passes through the fairleamer/double roller cable clamp 57 on the side of the floating body, and extends horizontally over a distance of the sea. Then pass through the fairlead/double roller cable clamp on the side of the buoy 91, and then bypass the guide roller 60 mounted on the buoy and then extend downward, and then pass through the guide/double of the bottom surface of the buoy. The roller guide clamp, then continue to extend downwards, and finally attached to the counterweight (blocked by the buoy, not drawn);
  • the vertical section of the reset cable 61 is separated from the energy cable to prevent entanglement.
  • the anchor chain 90 in the direction of the reset cable may be omitted (as shown in FIG. 10); that is, the reset cable 61 may also be Make an anchor cable to play a mooring effect on the floating body 21/buoy 91;
  • the side chain of the anchor chain as shown in the left side of Fig. 11: the floating body 21 is anchored to somewhere by the multi-point mooring system, and the weight 51 connected to the reset cable 45 is connected to one end of a cable 69, the cable 69 The other end extends obliquely downward to one side, bypassing a pulley 60 and then connecting a weight 65 downwardly, the pulley frame of the pulley 60 being connected by rope to the middle of one of the anchor chains 90 in the mooring system; It is also possible to dispense with the counterweight 51 such that the reset cable 45 is directly connected to one end of the cable 69 (dashed line Partially, the weight of the weight 65 is used for collecting the rope;
  • the operation mechanism of this design is the same as above, and the heavy weight side pull weight or wet weight is used as the tension of the reset cable reset, but the installation place is different.
  • the cable 69 / catenary of the side pull weight 51 (two, single catenary side pull anti-wrap mechanism
  • the catenary is connected to the weight 51 by a long hard straight rod 20, that is, the cable 69/cable is connected to one end of the hard straight rod 20, and the other end of the hard straight rod 20 is movably connected with the weight 51; the purpose is to better prevent the matching
  • the weight 51 rotates around the mining cable 26, and if for some reason (such as a very strong current impact) the counterweight 51 overcomes the side tension of the weight 65, it still ran to the left of the energy cable 26 (Fig. 11).
  • the weight 51 cannot rotate around the energy cable 26 because the hard straight rod 20 is hard and cannot be bent.
  • Fig. 5 Five, double catenary block type, as shown in Fig. 5: One side of each side of the weight 51 connected to the reset cable 45 is an anchor chain 90, and the two anchor chains 90 are divided downwards on both sides, each anchor chain The other end of 90 is connected to a gravity anchor / grab anchor 70;
  • the solution is to use the collision between the tensioned anchor chain 90 and the tensioned energy-generating cable 26 to prevent the weight 51 from rotating around the energy-generating cable 26.
  • the energy-harvesting cable 26 On the side of the line formed by the two anchor chains 72, but in order to prevent the energy-harvesting cable 26 from being worn, the lower half of the energy-harvesting cable 26 can be replaced with a hard straight rod 20, and the bottom end of the rigid straight rod 20 is passed through a pair of mutually engaged ones.
  • the lock ring 73 connects the gravity anchor 28, and the lock ring 73 allows the hard straight rod 20 to tilt freely.
  • the weight 51 can also be omitted, so that the reset cable 45 is directly connected to the two anchor chains 90/anchor cables to form an inverted Y shape; the anchor chain 72 can also be replaced with an anchor cable, but should be heavy in the middle of the anchor cable; It became the use of the wet weight of the catenary 72/weight to collect the rope.
  • the floating body 21 has two sets of the same coaxial main drum 25 and a matching main rope 16 which are spaced apart by a certain axial distance. Two main ropes 16 descending from the floating body 21 are respectively passed through two vertical holes provided on the weight 51, and then connected to the gravity anchor 28;
  • a fairlead/double roller cable clamp 68 is provided at the upper and lower entrances of the vertical holes of the weight 51, from which the main rope 16 (Fig. 1) / the energy cable 26 (Fig. 3) are/ The double roller guides 68 pass through; thus the energy cable does not rub against the vertical holes.
  • the floating body 21 will be subjected to the left and right oscillations and swings of the waves on the sea surface, and the floating body 21 will have different inclination angles.
  • the two main ropes 16 will have different pulling forces, so for the double rope guiding anti-wrap mechanism.
  • the pulley is connected with the gravity anchor: see Fig. 1B, that is, the two energy-generating cables 26 which are originally extended from the floating body 21 and are to be connected to the gravity anchor 28 are instead merged and wound around the gravity anchor 28
  • the pulley frame 49 of the pulley is connected to the gravity anchor 28 by a rope; the tension of the two energy-generating cables 26 is equalized by the pulley.
  • the floating body is designed in the form of the second floating body 93 hanging equipment compartment 7, the second floating body 93 is on the water surface, the equipment compartment 7 is below it, the equipment compartment 7 is Only the semi-closed housing with the bottom opening, the main shaft, the reel, the bearing and the bearing housing are installed in the equipment compartment 7, and the cable guide 57/double roller cable clamp is installed at the bottom opening of the equipment compartment 7, the equipment compartment
  • One end of the cylinder 94 is externally fixed on the left and right sides of the body, the two cylinders 94 are coaxial, and the two cylinders 94 are respectively inserted into the two holes of a U-shaped ring 74 (the cylinder and the hole are clearance fit), the U
  • the outer side of the middle section of the ring 74 and the bottom end of the second floating body 93 are connected by a rope 41 (the outer side of the middle section of the U-shaped ring 74 may be consolidated with the bottom surface of the second floating body 93);
  • the two points through which the bottom of the tank 7 is worn are connected to be perpendicular to the axes of the two holes of the U-ring 74, and the midpoint of the two-point line is just at U-ring two holes
  • the second floating body 93 is tilted left and right, the vertical distance between the two main ropes 16 and the cylinder 94 is equal.
  • the tension of the two main ropes 16 is equivalent.
  • the Figure 1A embodiment is defined as a U-ring 74 suspension scheme.
  • the suspension method can be any one of U-ring/single rope/Y-shaped rope, and the U-ring connection can refer to FIG. 1A, as for the single rope.
  • the connection is such that one end of the connecting cable is connected to the bottom surface of the second floating body 93, and the other end is connected to a tie point on the top surface of the equipment compartment 7, which is at the intersection of the center line FF' and the top surface of the equipment compartment 7.
  • the so-called centerline pulls the equipment compartment 7 up, so that the two energy cables 26 and the Y-shaped ropes of the gravity anchor 28 are tightened. At this time, the two energy cables 26 are straightened and nearly parallel.
  • the energy cable 26 defines a plane in which a straight line lies between the two parallel and at a distance equal to each other. This is the center line FF'.
  • the upper and lower Y-shaped rope connection mode is adopted, the second floating body 93 is on the water surface, the equipment compartment 7 is below it, the main shaft 27, the friction wheel 53, the bearing and the bearing seat are all installed in the equipment compartment 7, the fairlead
  • the 57/double roller cable clamp is installed at the bottom opening of the equipment compartment; the equipment compartment 7 is movably connected to the second floating body 93 through the Y-shaped rope 67, and the Y-shaped bottom end is movably connected with the bottom end of the second floating body 93, and the Y-shaped two The top end is movably connected to the top surface of the equipment compartment 7; when the Y-shaped rope is straightened so that its plane is parallel with the straightened two energy-harvesting cables, the center O point of the Y-shaped rope is first aligned to the center line FF' Then tie the top ends of Y to the top of the equipment compartment 7.
  • the point of action of the O-pull is equivalent to the distance between the two energy-harvesting cables 26,
  • the plane of the upper Y-shaped rope and the plane of the two parallel energy-generating cables can be at any angle, and the design of the figure is a coincident relationship, so that when the two energy-generating cables 26 appear to be pulled out, the length is not At the same time, according to the mechanical analysis, the pulling of the length of the energy cable 26 is less stressed, and the pulling of the shorter energy cable is more force, which automatically pulls out the shorter energy.
  • the cable produces more sliding friction, so as to catch up the longer energy cables, making them uniform in length, which means that it has the function of automatically adjusting the length of the two ropes.
  • the first one is: the two sides of the gravity anchor are respectively connected with one ends of two ropes separated by a certain distance, and the other ends of the two ropes are respectively connected to the sea surface at a certain distance. Two floats, two floats are anchored; the gravity anchor is provided with a vertical through hole, the reset cable passes through the through hole, and continues to connect the weight downward;
  • Pulley type a cable is wound from a groove pulley, the gravity anchor top is fixed to the pulley frame of the pulley, and the two ends of the cable are respectively connected to two floats separated by a certain distance on the sea surface, The two floats are anchored, and the gravity anchor is suspended by the cable in the water and provided with a vertical through hole. After the reset cable passes through the through hole, the weight is continuously connected downward;
  • the anti-double rope winding mechanism of this section is also suitable for the anti-wrapping situation between similar ropes of other equipments at sea.
  • Section X See Figures 12, 13, 14, 15, and 16.
  • the linear rotation conversion mechanism + overrunning clutch can lift the upper and lower sides of the floating body. The motion is converted into a one-way rotary motion, but this speed is fast and slow, and sometimes it is not, so it is necessary to convert the unstable rotational power into a stable rotation.
  • CN102016294A, US20130200626 gives a solution, which is to use the lift High weight to store energy, but WEC often needs to adjust the working load when running in the sea. For example, when it is big, it must increase the working load to increase the energy of the cable and the draught of the floating body, so as to absorb more wave energy.
  • the workload should be lowered to reduce the pulling force of the energy-harvesting cable and the draught of the floating body, so that the floating body can be pushed by the small waves to generate sufficient stroke, and the working load has an optimal matching relationship with the wave height.
  • Figures 12, 13, 14, 15, and 16 show the solution of adding a retracting ratchet mechanism 9, a differential/planetary gear, an energy storage loader; a linear rotary conversion transmission mechanism of the WEC core system
  • One end of the overrunning clutch 1 is coupled by a gear/chain drive 76 or a shaft 27, and the other end of the overrunning clutch 1 is coupled with a ratchet 9 of the retracting ratchet mechanism, and the anti-retracting pawl 2 is mounted on the frame.
  • the ratchet 9 is coupled to the first power end of the differential/planetary gear, and the second power end of the differential/planetary gear drives the generator 24 through the speed increaser 23, the third power end of the differential/planetary gear
  • the shaft is coupled to the rotating member of the input power of the energy storage device.
  • the input power of the linear rotation conversion mechanism first passes through the overrunning clutch 1 to convert the reciprocating rotation into a one-way rotation, and then passes through the retracting ratchet mechanism (the function is to prevent the power return of the second power end of the differential/planetary gear, and drive the linear rotation conversion The mechanism is reversed), and then divided into two paths via the differential/planetary gear, one is to the second power end to the generator, and the other is the third power end to the energy storage device.
  • the rotational speed of the first power end input to the differential/planetary gear by the overrunning clutch 1 is unstable, and for the second power end, the connected speed increaser 23+generator 24 is due to The rotation speed is amplified, and the moment of inertia of the generator is squared, so the second power end can be regarded as a constant speed in a short time. Since the differential/planetary gear is interconnected by three power ends, the drastic change of the first power end can only be matched by the third power end, and the energy storage device connected to the third power end is at the first power end. When the speed is fast and the second power end can't digest, the excess mechanical energy is stored.
  • the first power end When the first power end is slow/stationary, the previously accumulated energy is released to meet the requirement of pushing the second power end. Since the working torques of the three power ends are interrelated, when the workload needs to be changed, not only the load of the second power end but also the working load of the energy storage device of the third power end is changed.
  • the first type is hydraulic, including hydraulic & mechanical energy interchangers and pressure regulators.
  • the hydraulic & mechanical energy exchange device is divided into two types, one is a hydraulic cylinder (see FIG. 16), that is, an elongated piston rod 29 of a single-acting hydraulic cylinder 12, and the extended section is formed into a rack 31 to mesh with the gear.
  • the gear is coupled to the third power end of the differential/planetary gear, the single-acting hydraulic cylinder 12 is fixed to the frame, and the inlet and outlet ports are connected to the accumulator 13 through the oil pipe 33;
  • the gear rack transmission mechanism can also be replaced by a sprocket chain transmission mechanism, that is, the third power end of the differential/planetary gear is axially coupled with the roller sprocket, and one end of the roller chain meshing with the single
  • the piston rod 29 of the hydraulic cylinder 12 is connected, the other end of the roller chain is a weight/tension spring, and the other end of the tension spring is attached to the frame;
  • the spring/weight can keep the other end of the roller chain tensioned and stable, preventing the roller chain from falling off the sprocket.
  • the weight 65 is in a vertical slide 66 and maintains a gap with its inner wall, and the slide 66 is fixed to the frame.
  • the weight 65 moves up and down only in the vertical slide 66, and does not swing, preventing the chain from coming off the sprocket.
  • the rack and pinion transmission mechanism can also be replaced by a reel cable transmission mechanism (Fig. 15), that is, the third power end of the differential/planetary gear is axially coupled with the reel 11, and one end of the cable 69 is fixed and wound around the reel 11 , the other end of the cable is connected to the piston rod 29 of the single-acting hydraulic cylinder;
  • the second type of hydraulic & mechanical energy interchanger uses a positive displacement pump and motor (see Figure 13), that is, the positive displacement pump and motor 30 is coupled to the third power end of the differential/planetary gear; one of the positive displacement pump and motor 30 The inlet and outlet are connected to the accumulator 13 via the oil pipe, and the other inlet and outlet of the positive displacement pump and motor 30 are connected to the accumulator 13 via the oil pipe 33;
  • the working torque of the third power end depends on the working load of the hydraulic cylinder/volume pump and the motor, and further depends on the pressure of the accumulator airbag. Therefore, as long as the pressure of the accumulator airbag is changed, the working torque of the third power end can be changed (because the second power end is equivalent to constant speed or fixed), the working torque of the first power end can be changed, and the linear rotation is changed.
  • the working torque of the mechanism also changes the pulling force of the energy-harvesting cable, which also changes the draught depth when the wave works on the floating body, which changes the working load of the entire WEC.
  • the first type of pressure regulating device is shown in Fig. 13: the air bag 97 of the accumulator 13 is connected to the outlet of the electric valve-fitted air pump 17 via the air pipe 14, and the inlet of the valve-type air pump 17 is connected to the atmosphere, and the valve is equipped with A gas pipe branch is further branched between the air pump 17 and the air bag 97.
  • the air pipe branch is connected to the atmosphere through a solenoid valve 42.
  • the MCU controls the pressure information according to the pressure sensor 44 on the air pipe connected to the air bag 97. Start-stop of the valve-type air pump 17, and opening and closing of the solenoid valve 42;
  • the solenoid valve 42 and the electric valve-fitted air pump 17 are all closed. If we find that the sea wave is relatively large and want to increase the workload, we send an instruction to the MCU through the antenna. After the MCU receives it, the control valve is equipped with the air pump 17 to start pumping air from the atmosphere and inject into the air bag of the accumulator 13 The pressure of the air bag 97 is increased, and the MCU continuously monitors the rising hydraulic pressure by the pressure sensor 44. When the predetermined value is reached, the MCU turns off the valve-fit air pump 17; if the wave becomes small, we want to reduce the workload and give The MCU issues an instruction, and after receiving the MCU, the solenoid valve 42 is opened. At this time, the high pressure air of the air bag 97 starts to overflow through the electromagnetic valve 42, and the MCU continuously monitors the descending hydraulic pressure through the pressure sensor 44, and then turns off when the predetermined value is reached. Solenoid valve 42.
  • valve-fitted hydraulic pump can also be replaced by a series branch of the end-distribution hydraulic pump and the check valve, and their functions are the same, and the one-way valve is turned to the side facing the airbag;
  • the second type of pressure regulating device is shown in Fig. 15: the air bag 97 of the accumulator 13 is connected to a gas pipe 14, which is connected to a motorized end-distributing plunger pump 48 via a pressure sensor 44 and a solenoid valve 42, MCU. Reading the information sent by the pressure sensor 44, controlling the start and stop of the electric end face distribution piston pump 48, and the opening and closing of the electromagnetic valve;
  • the solenoid valve 42 and the end face distribution piston pump 48 are all closed.
  • the PLC 43 sends an instruction to the PLC through the antenna 43.
  • the solenoid valve 42 is opened, and the end surface distribution piston pump 48 is activated.
  • the end surface distribution piston pump 48 draws air from the atmosphere into the air bag 97.
  • the PLC continuously monitors the rising air pressure through the pressure sensor 44.
  • the PLC shuts off the end face distribution piston pump 48 and the electromagnetic valve 42.
  • the PLC When the pressure of the small air bag 97 needs to be adjusted, the PLC The solenoid valve 42 is opened, at which time the high pressure gas of the air bag 97 overflows through the electromagnetic valve 42 and pushes the end surface distribution piston pump to rotate, overflowing to the atmosphere, and the PLC monitors the descending air pressure through the pressure sensor 44. When the predetermined value is reached, the electromagnetic is turned off. Valve 42.
  • the third type of pressure regulating device see Fig. 16: a plurality of accumulators in the hydraulic & mechanical energy exchange device, and the airbag pressure is different; and the single-acting hydraulic cylinder/volume pump and motor outlet (high-pressure side) are taken out
  • the oil pipe is then forked into a plurality of branches, each branch passes through a solenoid valve 42 and is connected to an accumulator 13, and the accumulators 13 on each branch have different airbag pressures, and the MCU/PLC obtains the hydraulic pressure through the pressure sensor 44. Data, and then on/off control of the solenoid valve 42 on each of the branches;
  • the 5Mpa accumulator enters too much hydraulic oil, causing the airbag to become smaller and the pressure to increase to 8Mpa (when only the solenoid valve on the 5MPa branch is opened, the MCU is connected through the single-acting hydraulic cylinder 12).
  • the hydraulic sensor 44 on the oil pipe can be known), while the 20Mpa accumulator discharges too much hydraulic oil, and the airbag has a large pressure drop to 15Mpa, which requires a part of the hydraulic oil to be pumped from the 5Mpa accumulator into the 20Mpa accumulator.
  • the method is: due to the ups and downs of the waves, the third power end should be continuously reversed, and the piston of the single-acting hydraulic cylinder 12 should also reciprocate, and the MCU determines whether the piston is compressed or reset according to the pressure sensor 44.
  • the MCU determines whether the piston is compressed or reset according to the pressure sensor 44.
  • the MCU immediately turns on the solenoid valve of the 20Mpa branch (others are closed), at which time the high pressure hydraulic oil output from the single-acting hydraulic cylinder 12 begins to enter the 20Mpa accumulator (although this time, Equivalent to the change of the airbag pressure, the working load changes, and the energy cable tension changes.
  • the MCU determines through the pressure sensor 44 that the piston starts to reset, it immediately turns on the solenoid valve 42 of the 5Mpa branch (others are closed), at which time the hydraulic oil in the 5Mpa accumulator is released, pushing the piston to reset. Then, when the piston starts to compress, the MCU only opens the 20Mpa branch solenoid valve. When the piston starts to reset, only the 5MPa solenoid valve is opened. This achieves the purpose of arranging hydraulic oil in each accumulator. For the same reason, the hydraulic oil blending between other accumulators can also refer to this practice.
  • the second type of energy storage device is pneumatic, as shown in FIG. 12, that is, the third power end of the differential/planetary gear is axially coupled with the roller sprocket 64, and one end of the roller chain meshing with the first
  • the piston rod of a cylinder 36 is connected, and the other end of the roller chain is a weight 65/tension spring (the other end of the tension spring is attached to the frame); the first cylinder 36 is fixed on the frame, and the first cylinder 36 is led out.
  • the air pipe 14 is connected to a second cylinder 96 after passing through a solenoid valve 42, and the second cylinder 96 is also a single-acting cylinder.
  • the piston rod of the single-acting cylinder is lengthened, and the lengthened portion is formed into a rack, and the tooth is
  • the meshing gear is coupled to the rotor shaft of the servo motor 39 controlled by the PLC, and the PLC controls according to the motor state fed back by the position module of the servo motor 39 or the signal of the pressure sensor on the air pipe drawn by the first cylinder 36.
  • the rotation of the servo motor 39 and the opening and closing of the solenoid valve 42; the second cylinder can also be replaced by an air pump with an end face, the inlet and outlet of the air pump is connected to the atmosphere, and the other air inlet is connected to a gas pipe through which the gas pipe passes. 42 connected to the first cylinder 36, the air pump and the aforementioned servo A rotor shaft connected machine;
  • the solenoid valve 42 is normally closed, and the gas in the first cylinder 36 is constant.
  • the third power end drive sprocket 64 rotates the piston rod 29 forward, thereby compressing the gas in the first cylinder 36, thereby converting the excess mechanical energy of the second power end into air pressure energy,
  • a cylinder 36 is equivalent to a gas spring.
  • the high pressure gas in the first cylinder 36 pushes the piston to reset, pulling the sprocket 64 to reverse, thereby driving the third power end to reverse, due to the stop
  • the pawl 2 does not allow the first power end to reverse, so the third power end can only push the second power end to continue to rotate, thereby reconverting the previously stored air pressure energy to mechanical energy.
  • we can issue Order to the PLC opens the solenoid valve 42 while driving the servo motor to rotate, and the piston rod of the second cylinder 96 is moved by the rack and pinion mechanism 31 to extract or inject gas from the first cylinder 36 through the air tube 14.
  • the weight 65 is in a vertical slide 66 and maintains a gap with its inner wall, the slide 66 is fixed to the frame, and the weight 65 can only move up and down within the slide 66 without Will sway, avoiding the chain from the sprocket 64;
  • the sprocket chain mechanism can also be replaced by a reel cable mechanism/gear rack mechanism
  • the third type of energy storage device is a spring type, and FIG. 14, that is, the third power end of the differential/planetary gear (ie, the side gear) is axially coupled with the reel 11, and one end of the cable 69 is fixed and wound around On the reel 11, the other end of the cable is connected to one end of a third tension spring 85.
  • the other end of the third tension spring 85 is connected to one end of the webbing 37.
  • the other end of the webbing 37 is fixed and wound around a self-winding coil of a hoisting machine.
  • the motor 35 of the hoist is axially coupled to the self-winding drum 80 via the torque sensor 52, and the MCU/PLC reads the data of the sensor 52 to perform forward rotation reversal and braking of the hoist control command;
  • the hoisting machine 80 itself is in a braking state, so the end of the webbing 37 is fixed.
  • the third power end (the right half shaft of the differential) absorbs more power, and the third power end drives the reel 11 to rotate, thereby pulling the cable 69,
  • the third tension spring 85 is pulled to convert the excess power of the first power end into the elastic potential energy of the third tension spring 85.
  • the reel 11 reverses to drive the third power end of the differential to reverse, and since the retracting pawl 2 is provided, the left half shaft cannot be reversed.
  • the power returned by the third power end is supplied only to the second power end, that is, the spherical shell 4, to drive the generator G.
  • Adjusting the pulling force of the third tension spring 85 can adjust the operating torque of the right half shaft, the operating torque of the main shaft 27, and the working load of the WEC.
  • the MCU is instructed, and the MCU controls the hoisting drum 80 to rotate, pulling the webbing 37, thereby pulling one end of the third tension spring 85 to make the third tension spring 85 pull more.
  • the MCU also monitors the change in torque through the torque sensor 52 and immediately turns off the motor 35 of the hoist once the predetermined value is reached.
  • the MCU commands the MCU to control the hoisting drum 80 to rotate, release the webbing 37, and shorten the third tension spring 85 to make the tension of the third tension spring 85 small.
  • the MCU also monitors the change in torque through the torque sensor 52 and immediately turns off the motor 35 of the hoist once the predetermined value is reached.
  • FIG. 16 inserting a torque limiter 19 between the linear rotary conversion transmission mechanism and the overrunning clutch, that is, a linear rotary conversion transmission mechanism (in the figure, the ring sprocket 50 drives the roller sprocket 64 through the chain drive 76).
  • the output end is coupled to one end of the torque limiter 19 via a main shaft, and the other end of the torque limiter 19 is coupled to one end of the overrunning clutch 1.
  • Figure 14 shows the application of the friction clutch 1, which is a built-in overload protection function that slips when overloaded.
  • the role of the torque limiter 19 is protection. Sometimes there are several large waves in the sea for a short time, which makes it difficult for the energy storage device to receive so much energy.
  • the hydraulic cylinder/cylinder may be compressed to the end, or the accumulator airbag is compressed to the limit, or the tension spring is pulled. To the limit, if the first power end continues to rotate, it will cause damage, so the torque limiter 19 is added. When the spindle torque exceeds a certain value, the torque limiter will slip, thereby avoiding damage to the machine.
  • the MCU/PLC of the energy storage device can receive an external control command through the external antenna 43; or can automatically perform the load according to the data of the pressure/torque sensor (if the wave is too small, the wave force is small, The third power end rotation amplitude is also small, the hydraulic cylinder / cylinder piston / Figure 14 reel 11 movement amplitude is small, which will be monitored by the pressure / torque sensor, and vice versa.
  • MCU / PLC can be made through a period of data analysis Judging whether the waves are big or not.
  • a position sensor 47 for monitoring the position of the piston is mounted on the cylinder/cylinder 12, and the position sensor 47 signals the MCU or PLC. Because the data measured by the pressure sensor 44 is affected by the position of the piston, the MCU or PLC needs to combine the data of the position sensor 47 and the pressure sensor 44 to accurately understand the current system state.
  • the differential/planetary gear + energy storage device in this section is also suitable for other unstable speeds and stable applications.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

La présente invention concerne un système d'acquisition d'énergie marémotrice comprenant une roue câblée à corps flottant, comprenant un corps flottant (21), un élément d'ancrage par gravité (28), un mécanisme de transmission pour conversion de rotation linéaire, un arbre principal (27) et un contrepoids (51)/ressort de tension (22), le mécanisme de transmission pour conversion de rotation linéaire étant de trois types, c'est-à-dire un tambour principal (25), un câble principal (16), un tambour auxiliaire (54) et un câble auxiliaire (61), ou une roue de friction (53) et un câble (32), ou une roue à chaîne (64) et une chaîne à rouleaux (76). Le système d'acquisition d'énergie marémotrice peut augmenter la force de traction pour saisir le câble, ce qui permet d'éviter la perte de course de puissance efficace provoquée par le pliage et la déformation du câble d'origine.
PCT/CN2016/088290 2015-07-18 2016-07-03 Système d'acquisition d'énergie marémotrice comprenant une roue câblée à corps flottant WO2017012464A1 (fr)

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CN201510424941 2015-07-18
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