10 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.

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 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.

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 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.

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.