20 results about "Vibration-powered generator" patented technology

The application discloses a kind of wind-induced vortex-induced vibration generator magnetic restoring couple moment testing device, including swing angle drive and limiting system, measurement system, magnetic restoring couple moment generation and transmission system.Swing angle drive and limiting system include swing angle limiting disc, swing angle drive disc, swing angle positioning pin.Swing angle drive disc is rotated under the drive of driving handle, around swing angle limiting disc rotating shaft, and drive torque instrument, swing shaft and swing permanent magnet to rotate around swing angle limiting disc rotating shaft with the same angular velocity.Swing permanent magnet generates magnetic restoring couple moment under the action of other two fixed permanent magnets, and the size of magnetic restoring couple moment is measured by swing shaft transmission to torque instrument, while laser ranging sensor measures the swing distance of swing shaft, and the change relationship between magnetic restoring couple moment and swing angle can be obtained after converting into swing angle.The application has simple structure, stable and reliable work, and has very important engineering application value.

A low-carbon energy harvesting system suitable for a river ecological landscape comprises a frame and a planting platform used for planting green plants, and a light energy power generation mechanism, a flow-induced vibration power generation mechanism and an electric energy management mechanism are arranged on the frame; the light energy power generation mechanism comprises a plurality of photovoltaic panels which are obliquely arranged on the frame; the flow-induced vibration power generation mechanism comprises a top plate fixedly arranged on the frame and two side plates arranged on the frame in an up-down sliding mode, a transmission plate, a connecting plate and a vibrator are sequentially and fixedly connected between the two side plates from top to bottom, the transmission plate is connected with a power generator through a connecting rod assembly, and the power generator is fixedly arranged on the frame. A plurality of elastic pieces are connected between the connecting plate and the top plate, and the vibrator is arranged below the water surface; the electric energy management mechanism comprises an energy storage device and a power supply module. According to the invention, electric energy can be continuously and stably output by comprehensively utilizing optical energy power generation and flow-induced vibration power generation technologies, and power is supplied to electric equipment required by ecological landscapes.

The present application belongs to the field of vibration power generation. It relates to a vibration pickup component for vibration power generator, which is composed of a square frame, a support, a vibrator swinging around a point above the center of gravity, and a anti-dropping assembly. It mainly plays the role of expanding the frequency band and picking up low vibration energy. It also relates to a vibration pickup device for electromagnetic vibration power generator and a vibration pickup device for composite vibration power generator, which are both composed of a vibration pickup component and a gimbals. Both of them can make the vibration pickup component pick up the omnidirectional external excitation. The latter also produces multiple types of feedback actions for various power generation units. It also relates to an electromagnetic vibration power generator and a composite vibration power generator. The former is composed of a vibration pickup device for electromagnetic vibration power generator, a permanent magnet, etc. The latter is composed of a vibration pickup device for composite vibration power generator, a permanent magnet, a piezoelectric and friction power generation unit, a wheel disc type friction nano power generation unit, etc. Both of them improve the power generation efficiency of picking up environmental vibration energy.

The utility model discloses a vibration self-generating wireless data acquisition system, which comprises a vibration generator, a rectifying and voltage-stabilizing module, a lithium battery, a data acquisition module, a wireless transmission module and a controller, and is characterized in that the vibration generator charges the lithium battery through the rectifying and voltage-stabilizing module; the lithium battery supplies power to the data acquisition module and the wireless transmission module after reaching a preset electric quantity, the data acquisition module acquires different types of measurement signals and converts the measurement signals into digital signals through analog-to-digital conversion, and the wireless transmission module transmits the digital signals to the controller or waits for sending according to an instruction sent by the controller. An integrated design is adopted, a generator, a power supply, a data acquisition module and a wireless transmission module are integrated together, the vibration of a measured object is utilized to drive an acquisition device to vibrate for self-power generation, external power supply is not needed, data can be continuously acquired for a long time, the acquired data are transmitted to a controller through wireless signals, and the use is convenient.

The invention belongs to the field of vibration power generation. The vibration harvesting component for vibration power generator comprises a rectangular-shaped frame, a pillar. It expands the frequency band and harvests low vibration energy. It involves a vibration harvesting device used in electromagnetic vibration power generator and a vibration harvesting device used in composite vibration power generator, both of which comprises a vibration harvesting component and a gimbal. Both devices make the vibration harvesting components to capture omnidirectional external excitation, the latter also generates multiple types of feedback actions for various power generation units to utilize. It involves an electromagnetic vibration power generator and a composite vibration power generator. The former comprises a vibration harvesting device used in electromagnetic vibration power generator, the latter comprises a vibration harvesting device used in composite vibration power generator. Both improve the energy generation efficiency.

A floating breakwater with a flow-induced vibration power generation function comprises a floating box and a flat plate which are arranged up and down, the floating box is fixedly connected with two mounting plates extending downwards, the two mounting plates are parallel to each other, a flow-induced vibration power generation mechanism is arranged between the two mounting plates, and the flow-induced vibration power generation mechanism comprises a vibrator. Two parallel side plates are vertically and fixedly arranged on the flat plate, a distance is reserved between the two side plates to form a water guide channel, the vibrator is located in the water guide channel, two oppositely-arranged baffles are rotationally connected between the two side plates, and the baffles can be attached to the flat plate or incline upwards relative to the flat plate in the rotating process. When the baffles incline upwards, a protection area is formed between the two baffles, and the vibrator is located in the protection area. According to the invention, the fluid can be utilized to drive the flow-induced vibration power generation mechanism to generate electric energy, and when the flow velocity of the fluid is too high, a protection area can be formed through the two baffles to protect the flow-induced vibration power generation mechanism.

The invention relates to the technical field of fan detection, and particularly provides a fault diagnosis method and system for a wind driven generator system, and the method comprises the steps: firstly obtaining synchronous sampling records of the vibration of a gear box, the temperature of a generator and a blade rotating speed sensor in a continuous time period as system collection data; secondly, extracting an independent feature group reflecting the abnormal tendency of a single component and an associated feature group reflecting abnormal linkage between the components through a wind driven generator feature learning network, and then calling a pre-trained component fault diagnosis model to perform joint judgment on the two groups of features; the method comprises the steps of generating a diagnosis intermediate result containing component abnormal confidence and abnormal linkage strength, performing dynamic calibration, identifying a main fault component, an accompanying fault component and a fault propagation path based on the diagnosis intermediate result, finally generating a fault early warning instruction containing component positioning information, and sending the fault early warning instruction to an operation and maintenance system to trigger targeted maintenance. Therefore, faults can be accurately diagnosed, maintenance efficiency is improved, and stable operation of the system is guaranteed.

A vibration power generator (91) comprises: a frame (1); a damper part (D) that has a hole (2a) in the center thereof, has a peripheral edge section which is fixed to the frame (1), and has a central section which is elastically movable in an axis (CL1) direction; a vibration unit (7) that includes a bobbin (72) which has a cylindrical shape and is fixed to the hole (2a) of the damper part (D) and around which a coil (73) is wound, and a weight holder (71) which is fixed to the bobbin (72) to close an opening on one end side of the bobbin (72) and to which a weight body (74) can be removably attached; and a magnetic circuit (5) that is fixed to the frame (1) and generates a magnetic flux interlinking with the coil (73). The vibration unit (7) moves in the axis (CL1) direction due to external vibration, whereby power is generated.

The invention discloses a self-powered device and a vibration monitoring mechanism simulation system, and the device comprises a vibration power generation assembly, one side of the vibration power generation assembly is provided with an inverter, one side of the inverter is provided with a solar power supply assembly, the bottom end of the inverter is provided with a storage battery, and the vibration power generation assembly comprises a fixed pedestal and two height shells. The two sides of the top end of the fixed base are fixedly connected with the bottom ends of the two height shells correspondingly, a pull rod shell is arranged at the top end of the fixed base, a pressure change block is installed in the pull rod shell, an indicator lamp is fixedly installed on one side of the pressure change block, and a vibration generator is installed at the joint of the pressure change block and the pull rod shell. The device is used for collecting conventional vibration energy of a bridge body and local wind energy generated when a vehicle passes at a high speed to generate power, full-time continuous power generation is achieved, the vibration power generation assembly is matched with a solar power generation device, and normal use of the whole set of sensing and monitoring equipment is guaranteed.

The invention discloses a two-degree-of-freedom configuration miniature vibration generator design method based on check block magnetic coupling. Non-contact magnetic repulsive force is used for replacing collision force in an external coupling configuration structure, and the energy collection capacity of the generator under the broadband is remarkably improved. A two-degree-of-freedom configuration miniature vibration generator based on stop block magnetic coupling is characterized in that firstly, a theoretical analysis model of a two-degree-of-freedom configuration based on stop block magnetic coupling is established, theoretical analysis is carried out on dynamics of a system, and the theoretical analysis is compared with a traditional fixed stop block structure and a stop block self-coupling structure; on the basis of configuration design, the specific structure of the generator is optimized, the generator adopts a two-dimensional plane zigzag beam structure, and a mass block and a magnetic stop block are respectively mounted at different positions of a beam, so that a wider working frequency band is realized, and mechanical energy loss caused by collision of the stop block is avoided.

A vibratory power generator 1 uses vibration that is transmitted from the outside to generate power. The vibratory power generator 1 includes a housing 10 that receives the vibration, a beam 21 that is formed from a flexible, non-magnetic material, is fixed to the housing at one end, and extends in the longitudinal direction at another, free end, a core 22 that is provided to the free end side of the beam, a coil 23 that is wound around the core, a permanent magnet 31 that is fixed at a position that is opposite the core, and a back yoke 32 that is formed from a magnetic material, is provided so as to cover the permanent magnet except a surface that is opposite the core, and has the opposite polarity of the permanent magnet. The vibratory power generator outputs induced voltage that is generated in the coil as a result of the vibration received by the housing being transmitted to the beam and the core vibrating relative to the permanent magnet.

The invention provides a flow-induced vibration power generation device and method, and the device comprises a mounting rack, a magnetostrictive displacement sensor is arranged on the mounting rack, linear sliding rails and linear guide rail generators are arranged on the two sides of the mounting rack, force transmission plates are arranged at the movable ends of the linear sliding rails, and a pressure plate is arranged at the top between the two force transmission plates. At least one hydraulic cylinder is arranged between the mounting frame and the pressure plates, a vibrator is arranged at the bottom between the two force transmission plates, and the adjusting mechanism comprises a driving assembly arranged on one pressure plate and a positioning assembly fixedly arranged on one force transmission plate. According to the flow-induced vibration generator, the vibration amplitude of the vibrator can be continuously monitored in the power generation process, the contact area of the vibrator and the fluid is adjusted based on monitoring data, and it can be guaranteed that the linear guide rail generator can be in an efficient power generation state; and the vibrator, the linear guide rail generator and the magnetostrictive displacement sensor can be prevented from being damaged, the service life of the device is prolonged, and the maintenance cost is reduced.

To provide a technique advantageous for reducing vibration that can be generated due to the drive of a stage.SOLUTION: A stage device comprises: a stage; an actuator that has a movable part that moves with the stage and a stationary part that generates thrust for the movable part, and drives the stage; a gyro moment generation unit that is coupled to the movable part; and a control unit that controls the gyro moment generation unit, so as to cancel at least part of the moment acting on the movable part generated by the actuator driving the stage, with the moment generated by the gyro moment generation unit.SELECTED DRAWING: Figure 1

The invention discloses an intelligent environment-adaptive sensitive cargo transportation protection device, which belongs to the technical field of cargo transportation and comprises a first shell, an energy storage assembly is arranged at the top of the first shell, a humidity adjusting assembly is arranged on one side of the energy storage assembly, and a second shell is arranged in the first shell. Damping assemblies are evenly distributed between the bottom of the second shell and the top of a bottom plate of the first shell, a mounting strip is fixedly mounted on the rear portion of the interior of the second shell, and a detachable mounting plate is mounted on the mounting strip. According to the intelligent environment adaptation type sensitive cargo transportation protection device, the temperature control assembly is high in sensing precision and high in response speed, the temperature can be rapidly adjusted to a proper range, the vibration generator is arranged to convert vibration mechanical energy into electric energy, energy is provided for the humidity adjusting assembly and the temperature control assembly, the long-time operation requirement is met, and the service life of the temperature control assembly is prolonged. Anti-static gaskets are laid in the second shell and on the top of the mounting plate, so that the influence of static electricity on goods can be reduced.

The invention discloses a floating type wind wave and flow combined power generation system which comprises a floating type platform, and a wind driven generator and a plurality of flow-induced vibration power generation mechanisms are installed on the floating type platform. The wind driven generator is used for capturing wind energy; oscillators are arranged in the flow-induced vibration power generation mechanisms, the vibrator in at least one flow-induced vibration power generation mechanism is located on the water surface so as to capture wave energy, and the vibrator in at least one flow-induced vibration power generation mechanism is located underwater so as to capture tidal current energy. The wind driven generator stands on the floating platform, and the flow-induced vibration power generation mechanisms are distributed on the side edge of the floating platform in a surrounding mode. Wind energy, wave energy and tidal current energy power generation devices can be combined for power generation.

[Problem] To provide a magnetostrictive material, an energy converter and a method for manufacturing the energy converter, and a vibration power generator, having improved energy efficiency and capable of reducing manufacturing costs.[Solution] A magnetostrictive material includes a void. A plate-shaped magnetostrictive material includes a through hole in a plate thickness direction. An energy converter is formed by stacking and coupling a plate-shaped magnetostrictive material including a through hole in a plate thickness direction and a plate material in plate thickness direction to each other. The plate-shaped magnetostrictive material is formed of a honeycomb structure including a cell constituting the through hole. A cross sectional shape of the cell in the honeycomb structure is polygonal. The plate material is made of a magnetostrictive material, a soft magnetic material, or a nonmagnetic material. The plate-shaped magnetostrictive material and / or the plate material may be formed of a plurality of pieces, each of which is stacked and coupled in the plate thickness direction.

The present invention relates to a method for low-cost and high-efficiency rock crushing applicable to roadway mining, belonging to the technical field of rock crushing in mine roadways. It includes two parts: roadway layout and the installation method of crushers. The roadway layout plan includes 3 maintenance and installation roadways, 2 main chutes, several sub-chutes, several stage haulage roadways, several vibration generators and several piezoelectric ceramic sheets. The sub-chutes are connected to the main chutes. The vibration generators are installed in the main chutes, and the piezoelectric ceramic sheets are installed on the inner walls of the main chutes and sub-chutes. The main chutes and sub-chutes are arranged in an inclined and multi-angle staggered form. A bunker is designed at the bottom of the main chute, and the bunker stores materials. A circle of vibration generators is installed inside the bunker, and a crusher is provided at the bottom of the bunker. By means of a specific roadway layout plan and the method of excavating a crusher cavity in the rock mass, the problems of high procurement cost of crushers, serious pollution, high energy consumption, unstable crushing quality, etc. are effectively solved.

The flow-induced vibration power generation device based on the triangular prism vibrator comprises a base plate, the lower surface of the middle of the base plate is rotationally connected with a rotating disc, the rotating disc is attached to the base plate, the direction of the rotating disc can be fixed, the rotating disc is fixedly connected with a baffle perpendicular to the base plate, the baffle extends downwards into fluid, and the two sides of the baffle are each fixedly connected with a mounting plate; the lower surface of the mounting plate is fixedly connected with at least one flow-induced vibration power generation mechanism, the flow-induced vibration power generation mechanism comprises two mounting grooves which are vertically and fixedly connected with the mounting plate, openings of the two mounting grooves are oppositely arranged, linear generators are fixedly arranged in the mounting grooves, and the power input ends of the linear generators are fixedly connected with a connecting plate; and a triangular prism vibrator is fixedly connected between the two connecting plates. The two flow-induced vibration power generation mechanisms which are mutually independent and separated through the baffle are arranged, the overall power generation efficiency is higher, the angles of the flow-induced vibration power generation mechanisms can be changed according to the flow speed of fluid, and the flow-induced vibration power generation mechanisms are protected.

The present invention discloses an automatic frequency regulation device for a wind-induced vortex-induced vibration generator and a method for using the device. It includes an energy capture device and a fixed support system; it also includes an energy conversion system, a control system, and a reset system; the energy conversion system converts the gravitational potential energy of the weight into the mechanical energy of the automatic frequency regulation device, thereby enabling the automatic frequency regulation device to operate; the control system converts the mechanical energy into kinetic energy, and adjusts the center of mass position of the energy capture device by controlling the ventilation rate; the reset system plays a reset support role for the entire automatic frequency regulation device. When the pressure difference between the upper and lower ends of the energy capture device decreases, the reset system gives it a restoring force, thereby causing the automatic frequency regulation device to gradually return to its initial position. The device of the present invention has a simple structure, low production and maintenance costs, and can automatically adjust its own structure according to the size and direction of the incoming flow velocity, thereby changing the natural frequency of the device, widening the energy capture range of the energy capture device, and greatly improving the utilization rate of wind energy.

The present invention discloses a flow-induced vibration power generation vibrator with controllable vibration size. The vibrator consists of two end plates and three vibrators. Each of the vibrators is a regular triangular prism structure of the same size. A sliding shaft running through the top and bottom of the vibrator is provided at the center of gravity of each vibrator. Slide grooves 120° to each other are provided on the opposite surfaces of the two end plates around the geometric center of the end plates. The sliding shafts at both ends of each vibrator are embedded in the slide grooves to form a sliding connection. Two vibrators are arranged upstream of the water flow direction and one vibrator is arranged downstream. All the vibrators are arranged with one side perpendicular to the water flow direction, and the top angle of each vibrator opposite to the side perpendicular to the water flow direction is facing the downstream direction.