39results about How to "Stable energy output" patented technology

The invention discloses phase change material microcapsules encapsulated by microtubules and a preparation method thereof. The phase change material microcapsules consist of a phase change material, curtal microtubules and polymer, wherein the curtal microtubules are obtained by cutting a hollow tubular natural fiber into fibers sections with a length of 0.1mm-5cm; the diameter of the hollow tubular natural fiber is 0.1-1,000 mu m; and the phase change material is encapsulated in the curtal microtubules, and the curtal microtubules are enwrapped in the polymer. The adopted encapsulating pipe is a natural microtubule with low cost and high availability; the large hollowness of the microtubule ensures large energy storage density of the microtubule, so the encapsulation structure ensures stable energy output; and fine nanometer tubular structure ensures quick heat transfer, and the heat and chemical stability contribute to long-term use.

The invention discloses a distributive cold and hot electricity continuous supply system based on condensed and frequency divided photovoltaic photothermal and double-combined Rankine cycle technology. The system comprises a cylinder jacket water afterheat recovery subsystem, a double-combined Rankine cycle afterheat recovery and power generation subsystem, a condensed and frequency divided photovoltaic photothermal device, a heat pump circular heat supply / cold supply subsystem, an AC / DC inverter, a controller, a DC / AC inverter and an accumulator; natural gas is used for combustion in an internal combustion engine to generate electric power; high-temperature smoke afterheat and high-temperature cylinder jacket water afterheat generated by the internal combustion engine are recovered for power generation; and one part of sunlight is used for photovoltaic cell power generation through condensation and frequency division technologies. The system is high in energy utilization efficiency, reasonable in energy utilization mode and not limited by regions, weathers and the time change, can realize individual energy outputting according to user demands when realizing stable energy outputting, is compact in structure and easy to realize modular installation, realizes combination of new energy and traditional energy, and achieves the advantages of energy conservation, emission reduction and environmental protection.

The invention discloses a vehicle energy saving system combining temperature difference power generation and a vortex tube principle. The vehicle energy saving system comprises a gas supply device, a gas storage tank, a vortex tube, a first heat exchanger, a second gas pump, a second heat exchanger and a temperature difference power generation system. The gas supply device supplies gas to the gas storage tank. The input end of the vortex tube is connected with the gas storage tank. A cold gas output pipe of the vortex tube is divided into two branches to be connected with the first heat exchanger and the second gas pump correspondingly. A hot gas output pipe of the vortex tube is divided into two branches to be connected with the first heat exchanger and the second gas pump correspondingly. A stop valve is arranged on each branch. An output pipe of the first heat exchanger and an output pipe of the second gas pump are connected with the input end of the second heat exchanger together. The output end of the second heat exchanger is connected with the gas storage tank. A temperature difference power generation system supplies power to the gas supply device and the second gas pump. According to the vehicle energy saving system, heat in vehicle tail gas is converted into electric energy through the temperature difference power generation system, and noise and temperature of vehicle tail gas emission can be lowered, and because an air conditioner system based on the vortex tube principle is simple in structure, low in power consumption and can be completely self-sufficient, the oil consumption is lowered, and energy conservation and environment protection are achieved.

An energy storing device is disclosed. In the energy storing device of the present invention, energy from an energy generating unit is stored in the form of spring torsion and then is output steadily. The energy storing device of the present invention includes a plurality of cog-wheels, a plurality of torsion magnitude limiting units, a plurality of single-directional input bearings, a plurality of energy storing units and a plurality of speed enhancing cog-wheels. Each of the energy storing units includes at least two end rotational disc portions, which are connected with each other co-axially. A leaf spring unit is provided between each pair of rotational disc portions and one end of the leaf spring unit is bent in an opposite direction. In addition, the energy storing units may be connected in series or in parallel to increase the efficiencies in energy storage and energy output.

The invention relates to a packaging material for phase change materials, in particular to a natural plant fiber tube used for packaging various phase change materials which have phase change thermoregulation function within a wide temperature range and a method for packaging the phase change materials through the packaging material. The invention takes the cheap and easily obtained natural fibertube, that is, kawo kawo fibers as the packaging material for the various phase change materials. The phase change materials are packaged in the natural kawo kawo fiber tube which has an external walland two ends sealed by polymers. The kawo kawo fibers which are taken as phase change energy storage materials are more advantageous than any other material; in addition, the kawo kawo fibers basically have no thermal degradation at a temperature of 250 DEG C due to good thermal stability. The high percentage of hollow volume of the kawo kawo fiber tube brings about greater energy storage density, an enclosed structure brings about stable energy output, a superfine micron-sized tubular structure brings about rapid heat transfer, and the special lipophilic and hydrophobic wettability can be used in the machining process.

The invention discloses a multi-axial point absorption type wave energy generation device. A rack is embedded on one side of a first swing, a first shaft provided with a gear is mounted on two sides of the first swing, the rack and the gear are engaged, a float is fixedly connected at the lower end of the rack, and the first shaft is connected to a first generator through a gearbox; a second swing of a square frame sleeves outside the first swing, a second shaft is rotatably connected to one side of a second swing, a third shaft is rotatably connected to the other side of the second swing, and the second shaft is connected to a second generator through a second gearbox; a base of the square frame sleeves outside the second swing, a fourth shaft is rotatably connected to one side of the base, and a fifth shaft is rotatably connected to the other side of the base; the fourth shaft is connected to a third generator through a third gearbox. By the aid of the multi-axial point absorption type wave energy generation device, wave energy of multiple waves can be directionally captured simultaneously, once energy capture of the device is increased greatly, system converting efficiency is improved greatly, energy output of the device can be more stable, and generating quality can be improved.

A tower type vertical axle windmill includes a tower portion. The tower portion has a plurality of layers and a plurality of wind turbines and a computer is used to open and close the walls of the tower portion. Each of the wind turbines includes a seat portion, an energy output assembly and a rudder assembly. The seat portion can carry other components. A circular platform is disposed on the base portion of the energy output assembly and is supported by bearings to enable it to turn around. A flywheel is disposed on the outmost portion of the blade module and can store the energy extracted from the wind and enhance the balance of the windmill. In addition, an output axle is connected with the circular platform and a generator.

The invention provides a lower limbs recovery device of hospital patients, which comprises a walking mechanism, a bearing mechanism arranged on the walking mechanism, a backrest mechanism arranged onthe bearing mechanism and located at the back part, a modular massage mechanism arranged on the bearing mechanism and located at the front part, and a leg supporting mechanism arranged on the bearingmechanism and matched with the modular massage mechanism; both ends of the modular massage mechanism are provided with drying mechanism and a control mechanism arranged on the walking mechanism for controlling the walking mechanism, the bearing mechanism, the backrest mechanism, the modular massage mechanism, the drying mechanism and the a leg supporting mechanism. Patients can comfortably sit onthe lower limbs recovery device, and the lower limbs recovery device can perform massage and physical therapy on the patients, thus the patient body is relaxed and accelerated to recovery; meanwhile,sweat of the massage part is evaporated, thus the working pressure of medical workers is greatly lightened.

The invention provides a frequency conversion control method and device of a wireless charging system and a storage medium. The wireless charging system comprises a transmitting end and a receiving end, wherein the transmitting end is provided with a phase-shift full-bridge control circuit. The method comprises the following steps: obtaining a phase-shift angle of the transmitting end in real timewhen the wireless charging system is in a stable charging state; and when the phase shift angle is greater than a first preset phase shift angle, adjusting the current resonant frequency of the transmitting end, and increasing the frequency difference between the current resonant frequency of the transmitting end and the preset resonant frequency; by detecting phase shift angle parameter of the transmitting end and a charging current parameter of a receiving end, deducing the distance between the current transmitting coil and the receiving coil; when the distance between the transmitting coiland the receiving coil is too short, adjusting the current working frequency to be far away from the optimal resonant frequency; and when the distance between the transmitting coil and the receivingcoil is too long, adjusting the current working frequency to be close to the optimal resonant frequency, thereby expanding the application range of the distance between the transmitting end and the receiving end in the wireless charging system.