1604results about "Reaction engines" patented technology

A wind energy plant with a nacelle, a rotor, which features at least one rotor blade adjustable in its blade pitch angle, a central control device for controlling the wind energy plant and a control unit disposed in the rotor for controlling the blade pitch angle of the at least one rotor blade, wherein the central control device and the control unit in the rotor can exchange data with each other via a data link, which comprises at least one first sending and receiving device at the nacelle side and at least one second sending and receiving device at the rotor side, wherein a wireless network connection with a safety-oriented communication protocol is provided between the at least one first sending and receiving device and the at least one second sending and receiving device, and that one monitoring- and communication device at a time is associated to the first and / or the second sending and receiving device, which can monitor the function of the sending and receiving device and initiate a predetermined action in the case of an error.

The invention discloses an impeller assembly, a pre-filter applying the impeller assembly and a water consuming system, and relates to the technical field of pre-filters, the impeller assembly comprises an impeller body and a mounting seat, the impeller body is provided with a connecting part, and the connecting part is used for being in transmission connection with an outer framework of the pre-filter; the mounting seat is provided with an impeller cavity, the impeller body is rotatably mounted in the impeller cavity, and one axial side of the mounting seat is provided with a first water inlet communicated with the impeller cavity and the outside of the mounting seat; a second water inlet communicated with the impeller cavity and the outside of the mounting seat is formed in the peripheral side of the mounting seat; a water outlet communicated with the impeller cavity and the outside of the mounting seat is formed in the other axial side of the mounting seat; and the water outlet is used for being communicated with a drain outlet of the pre-filter. According to the technical scheme provided by the invention, the flushing efficiency and the drainage efficiency of the pre-filter can be improved; the water flow drives the outer framework to rotate, so that the self-cleaning capability and the filtering effect of the equipment are further improved.

A fluid connection for a hydromotive machine or fluid-control valve having a first duct and a second duct. The first duct includes a mid-portion between a first end of the first duct and a second end of the first duct that has a non-circular cross-section. A second end of the first duct is wholly within the second end of the second duct. A first end of the second duct is wholly outside of the first duct.

The invention relates to a vertical axis wind-flow energy power generation platform and an operation method thereof.The vertical axis wind-flow energy power generation platform comprises a platform body, an adjustable gearbox, a vertical axis fan and a vertical axis water turbine, and the platform body comprises a main stand column and a plurality of auxiliary stand columns; the adjustable gearbox is arranged in the main stand column; the vertical shaft fan comprises a fan shaft and a plurality of fan blades; the vertical shaft water turbine comprises a water turbine shaft and a plurality of water turbine blades; a fan shaft is connected with one end of the adjustable gearbox, and a water turbine shaft is connected with the other end of the adjustable gearbox; the transmission ratio gamma is adjusted through the adjustable gearbox, gamma = n wind / n flow, n wind is the rotating speed of the vertical axis fan, and n flow is the rotating speed of the vertical axis water turbine; and the rotating directions of the vertical shaft fan and the vertical shaft water turbine are opposite. Functional coupling of the vertical-axis fan and the vertical-axis water turbine is achieved by adjusting the transmission ratio of the adjustable gearbox, the vertical-axis fan and the vertical-axis water turbine are combined into a whole, and offshore wind energy and tidal current energy can be developed at the same time.

The invention particularly discloses a visual monitoring system and an analysis method for the abrasion state of an impulse turbine set, and relates to the technical field of hydroelectric power generation equipment monitoring. The device comprises a visual monitoring module, a control module and an abrasion analysis early warning module, the visual monitoring module collects images through an industrial camera, an LED light source, a packaging protection structure and a water and mist removing device. The control module formulates an imaging mechanism according to working conditions such as strong water mist interference, idling no water, static no water and the like, and is linked with a unit PLC control system to realize imaging triggering, state adjustment and data interaction; and the abrasion analysis and early warning module identifies an abrasion area through a U-Net + + algorithm, calculates abrasion parameters based on a multi-view vision technology, grades the abrasion parameters, predicts a trend by adopting an ARIMA model, and recommends a maintenance scheme through rule reasoning in combination with threshold early warning. Automatic and intelligent monitoring and analysis of the abrasion state of the impact type unit are achieved, and guarantee is provided for safe and efficient operation of the unit.

The invention belongs to the technical field of dust falling equipment, and particularly relates to a watering dust falling device applied to a mining area, which comprises a vehicle body, a water tank, a water pump, a spraying system and a filtering assembly, the water tank, the water pump and the spraying system are fixedly installed on the vehicle body, the filtering assembly is fixedly installed on the side edge of the water tank, the filtering assembly is connected with a water inlet pipe of the water pump, water sucked into the water pump is filtered through the filtering assembly, and a water outlet pipe of the water pump is connected with the spraying system; the filtering assembly comprises a shell fixed to the water tank, a first mounting block is fixed to a sealing plate arranged at the bottom of the shell, a rotating shaft is rotationally arranged above the first mounting block, and a filter screen is fixed to the end, close to the water tank, of the rotating shaft; by arranging the filter assembly, the filter screen can be automatically cleaned, blockage is prevented, and the surface of the filter screen is kept clean, so that the filtering performance of the filter screen is maintained; the filter screen does not need to be manually detached for cleaning, so that the working intensity of personnel is reduced, and the cleaning efficiency is improved.

The invention discloses a low-water-head water turbine with a flow guide wing bionic blade, which is provided with a variable pitch system for adjusting an included angle between a runner blade and an incoming flow direction, and a deflection control system for adjusting an included angle between a guide vane arranged on a bulb body and the incoming flow direction, the water flow impact acting force on the blades can be changed through the water flow impact acting force, the water flow impact acting force on the blades can be changed through the water flow impact acting force, and the water flow impact acting force on the blades can be changed through the water flow impact acting force. In addition, the blade of the runner of the hydraulic turbine set is the blade with the wave-shaped front edge, and a section protruding outwards is arranged in a pipeline for containing the bulb body and the runner, so that the water energy utilization rate of the hydraulic turbine set is further increased. The blade adopts a sine curve-shaped waveform front edge, and the structure simulates a convex shape on a fin-shaped limb of an underwater organism, so that the resistance in water is reduced, and the water energy utilization rate of a water turbine set is increased.

The invention relates to a thermoelectric double-storage energy supply system. The thermoelectric double-storage energy supply system integrates a double-water-turbine design of a production well and a recharge well. The system intelligently responds to power grid electricity price fluctuation and heat supply requirements, and the working mode of the water turbine is flexibly adjusted. In the thermoelectric linkage optimization stage, when the electricity price is in a low ebb, the first water turbine extracts geothermal water to supply heat, and residual heat is stored in the heat and electricity storage water tank and the water storage tank to deal with the electricity price peak. And meanwhile, the second water turbine reversely generates power by utilizing geothermal tail water and feeds back to the power grid. In the energy storage and release optimization stage, the two water turbines work cooperatively in the electricity price off-peak period, and electric energy is converted into potential energy to be stored in the water tank. At the peak of electricity price, the high-position potential energy water in the water tank is released, and the stored potential energy is converted into electric energy through reverse operation of the water turbine to provide stable power supply for a power grid. According to the system, dual storage of heat and electricity is realized, the consumption contribution to distributed new energy photovoltaic wind power utilization is improved, the light and electricity abandoning quantity is reduced, and the distributed new energy power generation of a power grid and the electrical load of a building are balanced.

The invention provides a cylindrical hydrodynamic ventilation structure special for a cooling tower fan, and belongs to the technical field of cooling ventilation. Comprising a tower body, a water basin is installed at the bottom of the tower body, a water inlet pipe is installed at one end of the water basin, a water return pipe is installed at the top of the water inlet pipe, a water pump is arranged at one end of the water inlet pipe, and a water outlet pipe is installed at one end of the water basin. By arranging the worm gear speed increasing assembly and the power driving assembly, kinetic energy of water flow is converted into mechanical energy through circulation of water power, the cooling process is accelerated, complex parts such as a motor and a transmission device in a traditional cooling tower are reduced, the manufacturing cost is reduced, maintenance points and the fault rate are reduced, and the service life of the cooling tower is prolonged. The reliability and stability of the system are improved, the rotation angle adjustment of the fan blades is increased, the air volume is increased, evaporation and heat dissipation of water are accelerated, energy consumption is reduced, the flexibility of the system is enhanced, and the ventilation structure can adapt to different working environments and cooling requirements.

The invention relates to the technical field of water flow power generation, in particular to a water flow power generation device which comprises a propeller, a rotary drum and a power generator. The propeller is provided with a hub and a plurality of blades. The blade root of each blade is rotatably mounted on the propeller hub, so that the included angle between straight lines where every two blades are located can be adjusted; the rotary drum is fixedly connected with the propeller hub and can rotate along with the propeller hub. A rotor of the generator is fixedly connected with the rotary drum; when the water flow speed is moderate, the included angle between the straight lines where every two blades are located can be adjusted to be within a certain range, the propeller hub is made to rotate at a certain rotating speed, and then the rotating drum and the rotor of the generator are made to rotate at a certain rotating speed. And when the water flow speed is reduced, the included angle between the straight lines where every two blades are located can be increased, so that the propeller hub keeps a stable rotating speed. And when the water flow speed is increased, the included angle between the straight lines where every two blades are located can be reduced, so that the propeller hub keeps a stable rotating speed. And on the whole, the generator is ensured to output relatively stable voltage.

The invention discloses a modular splicing type wind power tower drum, and relates to the technical field of wind power engines, the modular splicing type wind power tower drum comprises a first tower drum and an automatic splicing assembly, a first flange is arranged on the outer wall of the top of the first tower drum, the automatic splicing assembly is fixed on the outer wall of a second tower drum, and a rotating sleeve is fixed at the end part of a blade. According to the modular splicing type wind power tower drum, oil flows in the annular channel to push the gear ring to be meshed with the nut gear to rotate, so that the nut body is in threaded connection along the surface of the fastening bolt in the descending process, and after the fastening bolt completely descends, the oil stops flowing to form resistance on the two sides of the blades; the nut body cannot rotate at will through the bearing, it is guaranteed that the first tower drum and the second tower drum are firmly spliced through the fastening bolts, fastening of all the fastening bolts can be achieved at a time, workers do not need to work high above the ground, assembly time is greatly shortened, and therefore the assembly efficiency of the tower drums is improved.

A pig is provided for use in pipelines filled with a flowing fluid. The pig includes a pig body, a drive element which may be a propeller disposed on said pig body which can be rotated by the flowing fluid. The pig also includes a generator unit connected to the drive element through which a movement of the drive element may be converted into electrical energy, and a locking means through which the position and / or the speed of the pig inside the pipeline may be fixed. The generator unit is designed to operate as a motor through which the drive element may be made to rotate and which is designed to set a speed for the pig that is different from the flow velocity of the flowing fluid inside the pipeline and that the pig is provided with an energy storage unit for electrical energy, which is connected to the generator unit.

A turbine assembly includes a shaft having an axis, a single cam with a cam profile and coupled to the shaft, and at least one foil coupled to the cam and having an axis. A variable pitch mechanism is coupled to at least one of the at least one foil or the single cam and is configured to adjust a position of the at least one foil while the at least one foil simultaneously rotates about the shaft. At least one of the shaft, the variable pitch mechanism, and the at least one foil is configured to be automatically actuated in a direction parallel to the axis of the shaft.

The hydroelectric power generation equipment comprises a power generation module and a water wheel driving module, the power generation module comprises a floating platform and a power generator, the power generator is arranged on the floating platform, a power input shaft is arranged on the floating platform, and the power input shaft is in transmission connection with the power generator through a gearbox; the water wheel driving module comprises two mounting discs and a plurality of blades, and the two mounting discs are arranged up and down; each blade comprises a mounting frame and a plurality of baffles, a plurality of through holes are formed in the mounting frame, and the baffles are hinged to the mounting frame and arranged at the corresponding through holes; the baffle is configured to close the through hole at the incident flow surface of the blade, and the blade is also configured to open the through hole at the back flow surface of the blade; the multiple blades are distributed around the axis of the mounting discs, and the mounting frame is vertically arranged and fixedly arranged between the two mounting discs; wherein the power input shaft is fixedly connected with the topmost mounting disc in the water wheel driving module. The use reliability and the power generation efficiency are improved, and the manufacturing cost is reduced.

The invention relates to the technical field of fluid machinery, in particular to an injection mechanism with a detachable injection needle tip and an impulse turbine system. The spray needle assembly comprises a supporting plate, a spray needle body and a spray needle tip, the supporting plate is fixed to the inner wall of the straight pipe section, and the spray needle body is movably connected to the other end of the supporting plate and detachably arranged at the other end of the spray needle body; the nozzle assembly is arranged at the opening of the straight pipe section, and the spray needle body and the spray needle tip can move in the direction close to or away from the nozzle assembly; the ratio of the length of the spray needle point to the diameter of the nozzle assembly is not larger than 0.2. According to the spraying mechanism with the detachable spraying needle tip and the impulse water turbine system, the spraying needle size with the optimal efficiency is given, and even if the spraying needle tip falls off, the influence on the hydraulic performance is small; the spray needle tip is detachably mounted on the spray needle body, so that the spray needle tip is convenient to disassemble and replace, and the performance of the spray needle assembly is ensured.

The invention discloses a flow cooperative operation control method for cascade hydropower stations in series connection, which comprises the following steps of: responding to a planned load adjustment instruction from a power grid, obtaining unit guide vane opening degrees in a stable state by a load distribution method of each unit based on a cascade hydropower station flow cooperative principle, and taking the unit guide vane opening degrees as target guide vane opening degrees; then the current unit guide vane opening degree is opened / closed to the target guide vane opening degree in a linear mode; or unplanned load disturbance from a user side is responded, a proportional regulation module is added in the PID speed regulator, and the opening degree of the guide vane of the unit is regulated in real time according to the flow deviation of the upper-level hydropower station and the lower-level hydropower station, so that the output of the unit is regulated. The method is used for maintaining the flow collaboration among the cascade power stations after planned load adjustment / unplanned micro load disturbance occurs in the cascade power stations, and it is guaranteed that the power stations can meet the requirement for flow collaboration during normal operation.

The invention discloses a heat constant control valve and a control method. The heat constant control valve comprises a valve pipe; the liquid inlet and the liquid outlet are arranged in front of and behind the valve pipe; the valve body is arranged in the valve pipe; the valve body comprises a frame, a first blade assembly and a second blade assembly, wherein the first blade assembly and the second blade assembly are installed in the frame and arranged front and back in the water flow direction. A first coil, a battery and a second coil are sequentially arranged on the frame; the first blade assembly can rotate relative to the second blade assembly, and a first magnet is arranged at the end of the first blade assembly and arranged in a package of the first coil. Mechanical energy is converted into electric energy to be stored in a battery through the energy storage process of the first blade assembly and the principle similar to a power generator at the moment; and in the active flow adjusting process of the second blade assembly, the principle similar to an engine is adopted, the flow is actively promoted or restrained, and then the high-precision adjusting process is achieved.

The utility model discloses vertical shaft hydroelectric power generation equipment which comprises a power generation module and a power output module, the power generation module comprises a floating platform, a power generator and a power input shaft, the power input shaft is vertically arranged and arranged on the floating platform in a swinging mode, the power generator is arranged on the floating platform, and a motor shaft of the power generator is in transmission connection with the power input shaft; the driving module comprises a water wheel assembly, the water wheel assembly comprises a plurality of blades, the blades are distributed around the rotating axis of the water wheel assembly, and the water wheel assembly is connected with the power input shaft; the counterweight assembly comprises a connecting rod, a rotating seat, a first anchor chain and a first counterweight part, the lower end part of the connecting rod is rotatably arranged on the rotating seat, and the first anchor chain is connected between the rotating seat and the first counterweight part; the upper end of the connecting rod is connected to the bottom of the water wheel assembly. The power generation efficiency of the hydroelectric power generation equipment is improved.

The invention discloses a pumped storage speed regulator control method and device based on data driving, equipment and a medium. Processing historical operation data by adopting a random forest model, and predicting a generator rotor angle, a relative deviation of a generator rotor rotating speed, a relative deviation of a water turbine torque and a guide vane opening degree deviation at a future moment; an error output state in a prediction time domain and a feedback control increment in a control time domain are used as independent variables to construct a target function of a hydraulic turbine set output error; constructing a cost function of the target function by taking the generator rotor angle, the relative deviation of the generator rotor rotating speed, the relative deviation of the water turbine torque, the guide vane opening deviation and the control voltage of the speed regulator at the future moment as independent variables, and optimizing the target function; the control voltage enabling the cost function to be minimum is calculated to serve as the control voltage of the speed regulator at the future moment, mechanism analysis does not need to be conducted on a speed regulator system, dynamic changes of the system can be reflected in real time, and the future state and performance of the system are accurately predicted.

The invention discloses vertical shaft hydroelectric power generation equipment which comprises a power generation module and a power output module, the power generation module comprises a floating platform, a power generator and a power input shaft, the power input shaft is vertically arranged and arranged on the floating platform in a swinging mode, the power generator is arranged on the floating platform, and a motor shaft of the power generator is in transmission connection with the power input shaft; the driving module comprises a water wheel assembly, the water wheel assembly comprises a plurality of blades, the blades are distributed around the rotating axis of the water wheel assembly, and the water wheel assembly is connected with the power input shaft; the counterweight assembly comprises a connecting rod, a rotating seat, a first anchor chain and a first counterweight part, the lower end part of the connecting rod is rotatably arranged on the rotating seat, and the first anchor chain is connected between the rotating seat and the first counterweight part; the upper end of the connecting rod is connected to the bottom of the water wheel assembly. The power generation efficiency of the hydroelectric power generation equipment is improved.

The utility model belongs to the field of fluid mechanical performance testing, and particularly discloses a water pump or hydroelectric generating set operation performance testing device which comprises an acquisition module and a testing module, the acquisition module comprises a power supply unit, a signal conditioning circuit and a data acquisition card, and the power supply unit is packaged by a sensor group and a portable interface box. The interface box and the sensor group are connected through phoenix wiring terminals, so that each path of sensor forms an independent signal channel, the test module comprises a calibration module, a test module, a sorting module and a signal analysis module, the calibration module comprises calibration optical cables connected with the signal channels in a one-to-one correspondence manner, and the calibration optical cables are connected with the signal channels in a one-to-one correspondence manner. The test module comprises an online monitoring unit, a test unit and a test recording unit, the sorting module is used for obtaining effective test data from the test recording unit, and the signal analysis module comprises a time domain analysis module and a frequency domain analysis module and is used for drawing various data charts for the effective test data. According to the utility model, the unit test process is simplified, and the error probability is greatly reduced.

A device for generating electricity in an irrigation system includes a water turbine, a generator, and a bypass valve. The water turbine converts the flow of water in the irrigation system into rotational energy. The generator is connected to the water turbine for converting the rotational energy into electrical energy. The bypass valve assembly is in fluid communication with the water turbine and the irrigation system and is configured to regulate the flow of water through the water turbine and to direct excess water around the water turbine and back into the irrigation system. The device is configured to generate electricity while maintaining a predetermined flow rate in the irrigation system and to direct excess water around the water turbine and back into the irrigation system when the flow of water through the water turbine exceeds the predetermined flow rate.

The utility model discloses a water wheel driving module and hydroelectric power generation equipment, the water wheel driving module comprises two mounting discs and a plurality of blades, and the two mounting discs are arranged up and down; each blade comprises a mounting frame and a plurality of baffles, a plurality of through holes are formed in the mounting frame, and the baffles are hinged to the mounting frame and arranged at the corresponding through holes; the baffle is configured to be located on the incident flow face of the blade to close the through opening, and the blade is further configured to be located on the back flow face of the blade to open the through opening. The multiple blades are distributed around the axis of the installation discs, and the installation frame is vertically arranged and fixedly arranged between the two installation discs. The use reliability and the power generation efficiency are improved, and the manufacturing cost is reduced.

The invention discloses a water turbine cavitation fault diagnosis method based on vibration monitoring, and the method comprises the steps: obtaining water turbine signals, carrying out the data combination of the water turbine signals through machine learning, obtaining to-be-matched data, carrying out the preprocessing of the to-be-matched data, and obtaining first data; constructing a machine learning model based on cavitation and cavitation erosion classification by using the first data; according to the built machine learning model based on cavitation and cavitation erosion classification, the operation state of the water turbine is detected, when the cavitation state of the water turbine is abnormal, an early warning signal is sent out, and the early warning signal is converted into a configuration output signal of a water turbine vibration detection protection module; the intelligent and automatic monitoring mode can reduce the frequency and intensity of manual inspection and improve the working efficiency.

The embodiment of the invention provides an intelligent water meter with a self-powered system, and relates to the technical field of intelligent water meters, the self-powered system comprises a power generation module, a power generation energy storage module and a data processing module; the power generation module is used for generating electric energy by utilizing water flow in the water supply pipeline; wherein the power generation module comprises a water turbine, the water turbine is the water turbine with the best performance screened out from a plurality of candidate water turbines by carrying out modeling analysis on the plurality of candidate water turbines in advance, and the structural parameters of the candidate water turbines are different; the structural parameters of each candidate water turbine comprise one or more of the number of runner blades, the shape of the runner blades, the height of the runner blades, the configuration of a runner inlet and a runner outlet and the diameter of a runner shaft; the power generation and energy storage module is used for storing the electric energy generated by the power generation module; and the data processing module is used for supplying power to the intelligent water meter by using the electric energy stored in the power generation and energy storage module and controlling the power supply process. Autonomous power supply of the intelligent water meter can be realized.

The invention provides a method for constructing a physical field of a horizontal axis water turbine blade of an agent model, and relates to the technical field of digital twinning. According to the method, rotating speed data of a water turbine under different flow velocity conditions are determined, and rotating speed values corresponding to all flow velocities are obtained; then, fluid-solid coupling simulation is carried out in combination with experimental data, and stress and deformation data of the water turbine blade under the actual operation working condition are further obtained; according to the method, the KNN algorithm is utilized to carry out order reduction processing on the obtained blade structure data, a plurality of grid points are combined into representative points, the calculation complexity is low, the processing requirement of graph rendering software on the data size in the real-time rendering process is met, a combined Kriging method is adopted to carry out digital twinning agent model training on the data after order reduction, and the real-time rendering efficiency is improved. The reconstruction of a real-time physical field of the blade is realized; iteratively optimizing the digital twin physical field proxy model according to a genetic algorithm, and solving the problem of deviation between the proxy physical field model and a real physical model; and finally, deploying the digital twin physical field agent model into a digital twin system and solving physical field distribution in real time.

The invention relates to the technical field of hydroelectric generation, in particular to an impulse turbine, a water bucket and a mortise and tenon joint structure for the water bucket and a hub. The water bucket comprises water bucket blades and tenons arranged at the roots of the blades; the shape of the tenon is configured to be movably assembled with a mortise formed in a hub of the water turbine in a fit clearance mode. According to the structure, a movable assembly mode with a fit clearance can be realized, and the water bucket can generate limited displacement in a gradual change clearance under different jet flow impact load conditions, so that the original traditional rigid connection is changed into flexible movable connection. The water bucket can be reliably connected with the hub without depending on welding or bolt fixing, and the common problem that in an original mode, a water head and a hub welding seam are prone to breakage under high-strength water impact force is solved.

The invention discloses a torsion type pipeline water turbine damping grid position adjusting mechanism which comprises a conveying pipeline, a sliding groove module and a movable damping grid. A guide through groove is formed in the conveying pipeline and extends in the conveying direction of the conveying pipeline. The sliding groove module is arranged outside the conveying pipeline, the interior of the sliding groove module is communicated with the guide through groove, a variable-pitch spring is arranged in the sliding groove module, and the telescopic direction of the variable-pitch spring is consistent with the extending arrangement direction of the guide through groove; the movable damping screen is arranged in the conveying pipeline in a sliding mode and provided with a connecting rod and a sliding block. One end of the connecting rod penetrates through the guide through groove and then is connected with a sliding block; the sliding block is fixedly connected with one end of a variable pitch spring; when the movable damping screen is scoured by fluid, the variable-pitch spring provides resistance for the movable damping screen so that the movable damping screen can move to the stress balance position. After the scheme is adopted, the self-adaptive adjustment of the position of the rectifying grid can be realized.

The invention belongs to the technical field of fluid machinery, and provides a variable guide vane radial subdivision single-stage double-support hydraulic turbine which comprises a shell, a pump cover, an impeller, a main shaft, a bearing body and a guide vane assembly. Wherein a liquid inlet flow channel is formed in the shell; the pump cover is detachably connected to the shell and matched with the shell to form a containing cavity. The impeller is arranged in the accommodating cavity and can rotate in the accommodating cavity; the main shaft is coaxially connected with the impeller and penetrates through the shell and the pump cover; the bearing bodies coaxially sleeve the head and tail ends of the main shaft and are used for supporting the main shaft; the guide vane assembly is arranged in the containing cavity and detachably connected with the shell, the guide vane assembly further forms a plurality of guide vane parts concentrically and annularly arranged on the periphery of the impeller, the guide vane parts are arranged at the same intervals, and the liquid inlet flow channel communicates with a liquid inlet of the impeller through the intervals between the adjacent guide vane parts.

This invention discloses a wave energy and solar energy combined power generation device and its power station, belonging to the field of new energy technology for power generation using renewable energy. It includes floating boxes and photovoltaic panels. Adjacent floating boxes are hinged laterally to the same horizontal axis. The photovoltaic panels are arranged on the surface of the floating boxes at an angle facing south or horizontally. A connecting rod perpendicular to the horizontal axis is hinged to the horizontal axis. A hydro-generator and a passive piston pump for driving the hydro-generator are installed inside the floating box. The piston rod of the passive piston pump is hinged to the connecting rod at a position away from the horizontal axis. When adjacent floating boxes swing up and down around the horizontal axis, the passive piston pump completes the water intake and drainage actions, and drives the hydro-generator during drainage. This invention as a whole can realize the combined power generation of wave energy and solar energy. During the swinging of the floating boxes, the orientation of the photovoltaic panels can remain approximately unchanged, thus ensuring the utilization efficiency of the photovoltaic panels while fully utilizing wave energy.