26 results about "Hydro generator" patented technology

This invention provides a method for predicting the health trend of hydropower units based on the TCN-BiLSTM-Attention model, relating to the field of hydropower generator sets. The method involves: S1: acquiring the original vibration signal of the hydropower generator set and denoising the original vibration signal using a TTAO-VMD-EWT joint denoising model; S2: obtaining multiple operating state parameters of the hydropower generator set and calculating the Pearson correlation coefficient, Spearman correlation coefficient, maximum information coefficient, and distance correlation coefficient between these parameters and the vibration signal; S3: calculating the fusion evaluation index of each operating state parameter and the vibration signal, selecting key features, and constructing a multi-dimensional feature vector together with the reconstructed vibration signal; S4: constructing a TCN-BiLSTM-Attention prediction model to predict and output the predicted trend of the hydropower generator set's vibration signal. This method improves prediction accuracy, increases prediction efficiency, and enhances the accuracy, stability, and timeliness of hydropower generator set vibration trend prediction.

To provide a hydroelectric power generation mechanism that can utilize energy with high efficiency. [Solution] The hydroelectric power generation mechanism comprises a first-shaft turbine having a first rotor with first rotor blades on its outer surface and a hollow first rotor connected thereto, a second-shaft turbine having a second rotor with second rotor blades on its outer surface and a second rotor connected thereto and arranged coaxially with the first-shaft turbine, and a generator. In this hydroelectric power generation mechanism, the first rotor blades are positioned upstream of the second rotor blades in an annular flow path, the generator is positioned upstream of the first-shaft turbine, a planetary gear mechanism is positioned between the generator and the first-shaft turbine, the gear at the end of the first rotor meshes with an internal gear, the second rotor is connected to a planetary carrier, and the input shaft of the generator is connected to a sun gear. During operation, the first and second rotors rotate in the same direction, and the second rotor rotates at a lower rotational speed than the first rotor.

The application discloses a kind of river with axial flow constant speed power output device and hydroelectric generator unit, belong to the technical field of hydroelectricity generation.A kind of river with axial flow constant speed power output device, including mutually connected constant speed adjusting assembly and axial flow drive assembly.Axial flow drive assembly first output shaft is connected with constant speed adjusting assembly.Constant speed adjusting assembly includes the second output shaft end portion is worn to the speed regulating box body outside and is connected with third connecting flange.A kind of hydroelectric generator unit, including generator, and the power input end of generator is connected with third connecting flange.The application can adapt to river flow variation and realize constant speed power output, and at the same time solve the problem of impurity blockage and mechanical loss, finally guarantee the stable and efficient operation of generator unit.

A closed bus structure for a hydropower generator, characterized in that it comprises: a closed bus body, wherein the closed bus body comprises an outer shell and a bus conductor, wherein the outer shell is provided with a chamber, the bus conductor is arranged in the chamber and is spaced apart from the chamber wall; a mounting bracket comprising a first mounting section and a second mounting section, wherein the first mounting section is guided through the outer shell and is spaced apart from the bus conductor, wherein the first mounting section is connected to the outer shell, and wherein the second mounting section is magnetically connected to an end of the first mounting section facing away from the bus conductor;an optoelectronic detection device which is guided through the first assembly section and the second assembly section and arranged at a distance from the bus conductor, wherein the optoelectronic detection device is connected to the second assembly section.

The utility model provides a kind of miniature hydroelectric generator with stabilizing support, comprising: a shell;A water passing base;A drive unit, rotationally arranged in the shell, and comprising a rotating shaft and the impeller of driving the rotating shaft rotation, impeller is connected in the one end of rotating shaft;A power generation unit, including a magnetic ring and a coil assembly, magnetic ring is fixed in rotating shaft outside and is synchronously rotated with rotating shaft, and coil assembly is fixed in shell;Shell is screwed on water passing base, water passing base bottom is equipped with support, support is equipped with hemispherical recess, ceramic ball is equipped in recess, impeller bottom is also equipped with recess, ceramic ball is equipped in recess, can ensure that generator long time in different water temperature water pressure environment Normal operation, not loose, increase the service life of generator.

A smart irrigation system is disclosed, integrating advanced components to optimize water management. The system comprises a central controller interfacing with remote terminal units, environmental sensors, and a hybrid communication network supporting Thread, Bluetooth Mesh, Wi-Fi, and PLC protocols. Utilizing real-time and historical data, the controller dynamically adjusts irrigation schedules to conserve water and maximize efficiency. Localization technologies such as ToF, AoA, and RSSI provide precise zoning and component tracking. Energy efficiency is achieved through RTC-based scheduling, complemented by a battery management system that integrates solar panels and a water-driven generator for reliable, off-grid operation. The system incorporates AI-driven fault detection and blockchain encryption to enhance operational reliability and security. This comprehensive solution addresses energy consumption, precision irrigation, and secure communication for sustainable agricultural practices.

This utility model discloses a cleanable hydroelectric power generation control box. The technical field it belongs to is faucet control boxes. The technical problem it aims to solve is that existing faucets with hydroelectric power generation functions suffer from issues such as water impurities clogging the generator, scale buildup affecting power generation efficiency, and increased maintenance costs. The key technical points are that the control box includes a body with an inlet and an outlet, a solenoid valve and a miniature hydroelectric generator inside the box, and a chamber connecting the outlet of the solenoid valve and the inlet of the miniature hydroelectric generator. A filter device is detachably installed in the chamber through a mounting hole, located in the water flow path between the two. Its main purpose is to be installed in faucets and other equipment to generate electricity using water flow, while simultaneously filtering impurities through the filter device for easy cleaning and maintenance, ensuring power generation efficiency.

This application relates to a biomimetic jellyfish-based hydroelectric generator and a self-powered marine monitoring system. The hydroelectric generator includes a biomimetic jellyfish structure, a mounting shell, and a triboelectric nano-power generation component. The biomimetic jellyfish structure includes a crown-shaped foam board and an annular elastic sheet, with the inner side of the annular elastic sheet connected to the outer side of the crown-shaped foam board. The crown-shaped foam board is fixedly connected to the top of the mounting shell, and the triboelectric nano-power generation component is installed inside the mounting shell. The triboelectric nano-power generation component includes multiple spaced electrode plates coaxial with the crown-shaped foam board. The electrode plates are divided into a first electrode plate and a second electrode plate. The first electrode plate is rigidly installed inside the mounting shell, and the second electrode plate is elastically installed inside the mounting shell. The triboelectric nano-power generation component generates electricity at least based on the contact separation between the first and second electrode plates. This invention solves the problem of low power generation efficiency in current small-scale wave energy conversion devices.

The application relates to the field of power generation equipment, in particular to a water turbine, which comprises a first shell and a second shell, one side of the first shell is detachably connected with one side of the second shell, a hanging rope is installed on the side of the first shell far from the second shell, a battery and a circuit board are fixedly installed in the first shell, a charging interface is installed on the side of the first shell close to the second shell, a turbine is fixedly installed in the second shell, the charging interface, the turbine and the battery are electrically connected with the circuit board, a rotating shaft of the turbine penetrates through the side of the second shell far from the first shell, the rotating shaft of the turbine is fixedly installed with a rotating table, a plurality of blades are installed on the rotating table, a plurality of containing grooves are arranged on the circumferential side of the second shell, flexible sheets are fixedly installed on the grooves of the containing grooves, a supporting assembly is installed on the second shell, and the supporting assembly is used for supporting the flexible sheets. The application has the effect of improving the portability of the turbine.

This application relates to the field of power generation technology, specifically providing a phase change cooling-based busbar and generator, aiming to solve the problem that existing hydro generator busbars struggle to balance heat dissipation and space constraints. To this end, the phase change cooling-based busbar of this application includes: multiple busbar units, each busbar unit comprising multiple interconnected pipe units, each pipe unit containing a phase change working fluid. Any two adjacent pipe units extend in opposite directions, creating alternating peaks and troughs in the busbar unit. Each peak of the busbar unit has a fluid outlet, and each trough of the busbar unit has a fluid inlet. This application improves the cooling efficiency of the busbar, thereby reducing the number of busbar units while still meeting heat dissipation requirements, thus addressing both heat dissipation and space constraints.

The utility model discloses a surface mount type temperature sensor belongs to temperature measurement field, including the shell, the shell inside fixedly connected with the circuit board, and the circuit board electricity coupling has the condenser, micro -hydropower generator and temperature sensor, and the left and right ends of micro -hydropower generator are respectively communicated with the drain pipe and the water inlet pipe, and the water inlet diaphragm is provided in the one end of drain pipe, and the water inlet sleeve pipe is sleeved in the one end of drain pipe, and the water inlet pipe is sleeved in the one end of water inlet sleeve pipe, and the conversion barrel is communicated in the one end of water inlet pipe, and the barrel cover is fixedly connected in the both ends of conversion barrel, and the upper spring and lower spring are fixedly connected in the both ends barrel cover inner portion respectively, and the piston is fixedly connected in the one end of upper spring and lower spring.

1. Name of the product in this design: Plug Connector. 2. Purpose of this design: For temperature measurement and power supply and communication connection of intelligent digital display shower head hydroelectric generator. 3. The key design feature of this product is its shape. 4. Images or photos that best illustrate the design's key points: Reference image of Design 1 in use. 5. Design 1 is designated as the basic design.

The invention relates to a renewable power and / or water generator with an absorption heat transformer (AHT) providing a heat pump, an Organic Rankine Cycle (ORC) for generating power, and a coupling between the AHT and the ORC to regenerate ORC rejection heat. The AHT consists of a low pressure evaporator and a vapour absorption binary (VAB) reactor that forms the coupling between the AHT and ORC. The VAB reactor includes an absorption section with an absorber heat exchanger and a distillation section provided by a rotating centrifugal unit that includes a flooded rotating packed bed.

The utility model discloses a kind of multifunctional emergency life-saving rings, it includes sealed upper ring body, lower ring body and middle layer aluminum plate;The lower ring body is provided with energy storage device and water power generation mechanism, the upper ring body inner circle surface is provided with solar photovoltaic panel, the water power generation mechanism is suitable for generating electricity to energy storage device energy storage by water flow wave, the solar photovoltaic panel is suitable for absorbing solar energy to energy storage device energy storage;The upper ring body both sides are provided with water making component, the middle layer aluminum plate is provided with heating mechanism, the upper ring body is also provided with integrated control module;The heating mechanism is suitable for middle layer aluminum plate heating conduction heat to supply overall temperature rise and keep warm and give water making component heating distillation water making, the water making component can distill emergency drinking water and store to supply people use.The utility model can natural power generation to keep temperature and manufacture emergency drinking water, and stability and bearing capacity are higher, and rescue range is wider.

This invention belongs to the field of generator fault detection technology, and provides a winding insulation detection method and system considering axial eccentricity faults in generators. The method includes: building a simulation system to independently simulate static eccentricity, dynamic eccentricity, and tilting eccentricity in the generator axial direction; deploying ultrasonic sensors on the generator winding insulation to collect ultrasonic signals generated by wear defects in the winding insulation; extracting the arrival time of the ultrasonic signals using an energy detection method and calculating the arrival time difference, and combining this with a genetic algorithm to locate the wear defects in the winding insulation; performing synchronous sampling and filtering preprocessing on the ultrasonic signals to achieve a quantitative assessment of the wear state of the winding insulation. The present invention is reliable and easy to implement, and the proposed detection method has the characteristics of strong anti-electromagnetic interference capability and high positioning accuracy, and can solve the axial eccentricity simulation problem of vertical hydro generators with a small-volume, low-cost, and practical device.

The application discloses a hydraulic power generating unit hydraulic gate control system and method capable of improving the power generation of the unit, which comprises the following modules: a water wheel module, a power transformation module, an electricity storage module and a hydraulic gate module. The hydraulic system of the hydraulic power generating unit capable of improving the power generation of the unit is used in cooperation with the water wheel module and the power transformation module. Water flows into a main water diversion pipeline, rotates through turbine blades, enters a secondary water diversion pipeline, rotates along the outer shaft of the turbine blades and drives the rotor to transmit kinetic energy to the power generator unit. The power generator unit converts the kinetic energy into electric energy, transmits the electric energy to a power transformation station, receives the electric energy and distributes the electric energy, transmits the electric energy to an energy storage machine after the voltage of the electric energy is changed by a transformer, adjusts the rated electric quantity of the energy storage machine by a main remote controller, transmits the electric quantity in the energy storage machine according to the rated electric quantity, and transmits the electric quantity to an external power supply line.

This invention relates to the field of power system automatic control technology, and discloses a method, device, and product for coordinated frequency control of a hydro-wind-solar hybrid system. The method includes: acquiring dynamic parameters of multiple generator units and frequency response transfer models of multiple generator units in the hydro-wind-solar hybrid system, and constructing a target frequency response transfer model for the hydro-wind-solar hybrid system; verifying the accuracy and stability of the target frequency response transfer model using initial value theorems and final value theorems; when both accuracy and stability are verified, constructing a target macrovariable for the hydro-wind-solar hybrid system using the guide vane opening deviation of the hydro generator unit, the first frequency regulation output power deviation of the wind turbine unit, and the second frequency regulation output power deviation of the photovoltaic unit; based on coordinated control theory, establishing an initial coordinated speed regulation control law for the hydro-wind-solar system according to the target macrovariable, and controlling the operating trajectory of the hydro-wind-solar system to converge to a manifold, thereby achieving optimal power allocation and dynamic coordination among multiple energy units.

This invention discloses an underwater data center based on a dam and its construction and maintenance methods, belonging to the field of underwater data center technology. The data center includes a dam, a data storage platform, and several rail-mounted suspension devices. A track is longitudinally mounted on the top of the dam, and the rail-mounted suspension devices are all mounted on the track. The data storage platform is located on the upstream side of the dam, and several data bins are placed on the platform. All data bins are located below the water surface in the dam's reservoir area and are electrically connected to the hydroelectric generator units within the dam. The rail-mounted suspension devices, which slide longitudinally along the dam and are mounted on the track, enable the data bins to be lowered into the water for operation and then removed for maintenance. This method achieves high data bin retrieval efficiency and low cost, meeting the development needs of large-scale underwater data centers.

The present application relates to sewage treatment technical field, particularly to a kind of non-woven fabric compressed towel production sewage treatment device, including sewage treatment tank, the top of sewage treatment tank is provided with top cover, the top of top cover is symmetrically provided with the sewage pipe for conveying sewage to the inside of sewage treatment tank and the dosing pipe for adding sewage treatment agent in sewage treatment tank, and the inside of sewage treatment tank is also provided with several filter frames for filtering sewage, and scraping mechanism for driving filter frame to lift is also provided between sewage treatment tank and filter frame;The present application is through the cooperation of filter frame, scraping mechanism, transmission rod, hydroelectric generator, servo motor, pressure cover, pressure disc, lock rod, collar, filter plate, cleaning plate and positioning rod and other structures, efficiently scrapes the fiber flocculation and sundries attached to the wall of tank in non-woven fabric production sewage, avoids the problems, such as water flow obstruction caused by sundries accumulation in the inner wall of sewage treatment tank, filtration efficiency reduction, etc., to ensure that sewage treatment process is smooth.

The application relates to the technical field of bridge pier protection, and particularly discloses a flexible protection system and method for a water bridge pier with self-energy supply and self-adaptive triggering. The system comprises a bridge pier main body, a monitoring module, a sliding rail, an elevator, a water turbine generator and a flexible protection module. The monitoring module is fixed to the upper part of the bridge pier main body, the front side of the bridge pier main body is provided with the sliding rail, the elevator is slidingly connected to the front side of the sliding rail, the outer side of the bridge pier is provided with an annular buoyancy cabin, the flexible protection module is nested on the outer side of the annular buoyancy cabin, the water turbine generator is arranged below the annular buoyancy cabin, a mounting rod is arranged above the water turbine generator, mounting holes are arranged on the surface of the annular buoyancy cabin and correspond to the square rods, and the mounting rod is inserted into the corresponding mounting hole. Through the cooperation of the monitoring module, the water turbine generator and the flexible protection module, the bridge pier protection can accurately identify the collision risk, adaptively adjust the protection strength and realize energy self-sufficiency.

This utility model provides a vertical hydro-generator brake damper disassembly and assembly device, including a lift, a push-pull frame and a push-pull mechanism on the lifting platform at the top of the lift, the push-pull mechanism driving the push-pull frame to extend and retract on the lifting platform. The push-pull frame includes a U-shaped telescopic frame, with outwardly extending connecting plates at the ends of both side walls of the U-shaped telescopic frame. One connecting plate has a rotating shaft, and the other connecting plate has a connecting shaft. A rotating opening and closing pull plate is rotatably mounted on the rotating shaft, and a matching groove is provided at the lower end of the other end of the rotating opening and closing pull plate, which is adapted to the connecting shaft. Limit plates are provided at the front ends of both the rotating shaft and the connecting shaft. By coordinating the lift and the push-pull mechanism, precise alignment of the lifting platform with the brake damper installation position is achieved, and the smooth pulling out or reassembly of the damper is completed by the telescopic movement of the push-pull frame, greatly improving work efficiency and safety.

This invention discloses a doubly-fed induction generator (DFIG) hydroelectric power generation system and its control method. The DFIG hydroelectric power generation system includes a turbine, a DFIG, a dual PWM inverter, a transformer, a bypass switch, a chopper resistor, a chopper device, a selector switch, and a control unit. The output terminal of the DFIG rotor winding is connected to the power grid through the dual PWM inverter and a second transformer. The three-phase line between the output terminal of the DFIG rotor winding and the input terminal of the dual PWM inverter is connected to a common point through the bypass switch. The chopper resistor is arranged in parallel on the DC bus of the dual PWM inverter through the chopper device. The control terminals of the dual PWM inverter, the bypass switch, and the chopper device are respectively connected to the control unit. This invention aims to achieve long-term, continuous, and stable power generation with optimal efficiency from the DFIG hydroelectric generator, thereby increasing power output while meeting the requirements of ecological water resource protection.