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165 results about "Environmental energy" patented technology

Environmental energy conversion device

The invention discloses an environmental energy conversion device which comprises an energy conversion unit, wherein the energy conversion unit comprises a positive pole, a negative pole and an intermediate; the intermediate is made of a semiconductor and is clamped between the positive pole and the negative pole, and two sides of the intermediate are respectively contacted with the positive pole and the negative pole; and the positive pole and the negative pole have asymmetry. The asymmetry of the positive pole and the negative pole refers to that the materials of the positive and negative poles have different work functions or different surface modification or different geometric structures; and the energy conversion unit can be connected in parallel and in series to form a whole environmental energy conversion device. The surface effect of the semiconductor is utilized, so that the environmental heat energy is continuously converted into electric energy in an environment, such as gas, liquid, gel or plasma, contacted with the semiconductor, particularly in solution, and a cooling effect is achieved. The environmental energy conversion device can be used for power generation and refrigeration, provides energy and refrigeration for various building constructions, transport equipment or electronic equipment, and can be used for concentration, temperature and flow velocity detection devices.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Wireless sensor network (WSN) node self-powered system based on solar energy-wind energy complementation

The invention discloses a wireless sensor network (WSN) node self-powered system based on solar energy-wind energy complementation. The system mainly comprises a solar energy acquisition module, a piezoelectric type vertical axis wind energy acquisition module, a super-capacitor energy storage module and an interface circuit, wherein the solar energy acquisition module acquires luminous energy in the environment through a solar cell panel, the piezoelectric type vertical axis wind energy acquisition module acquires wind energy in the environment, the super-capacitor energy storage module stores the acquired energy into a super capacitor, and the interface circuit provides a channel for energy storage and WSN node power supply. In addition, in order to improve acquisition efficiency of the wind energy acquisition module and reduce influences of a wind direction, a vertical axis piezoelectric type scheme is adopted by the wind energy acquisition module. Due to the facts that rechargeable times of a lithium cell are limited, and in the process of acquisition of environmental energy, charging and discharging are frequent, the super capacitor in the system is used for replacing the lithium cell to serve as a system energy storage unit, and the service life of the energy storage unit can be prolonged. The WSN node self-powered system can collect energy in the environment, does not need to conduct maintenance on a cell, such as cell replacement and charging, therefore prolongs service life of a node, and solves the energy supply problem of a WSN.
Owner:DALIAN UNIV OF TECH

Method for synthesizing anatase titanium dioxide and manganese dioxide nanocomposite through surfactant assisted electrodeposition and application of method

The invention provides a method for synthesizing anatase titanium dioxide and manganese dioxide nanocomposite through surfactant assisted electrodeposition. According to the method, a manganese saline solution serves as a water phase, microemulsion is formed by the water phase, a surfactant, a cosurfactant and an oil phase and serves as an electrolyte solution, a constant potential deposition method is used, and a titanium sheet serves as a titanium source, so that the nanocomposite is prepared. Through changing of the composition of the microemulsion, the concentration of manganese ions and fluorine ion, the magnitude of electrolytic voltage and the electrolytic time, the morphology and the size of the nanocomposite are adjusted. According to the method, a low reagent is selected to serve as a raw material, under the room microemulsion electrolyte environment, the reaction is carried out, and the nanocomposite is obtained. The problem that during high-temperature treatment, the morphology and the stability of products are affected is solved, the beneficial effects of being high in preparing technology, low in cost, rapid, energy-saving, and high in efficiency are achieved, the prepared nanocomposite is expected to be widely applied in fields of photocatalytically splitting of water into hydrogen, degradation of organic contaminants, electrochemical energy storage, environmental energy catalysis, battery materials and the like.
Owner:LINGNAN NORMAL UNIV

Termite detection system based on wireless sensing network

The invention discloses a termite detection system based on a wireless sensing network, and the system comprises a positioning system, a sensing system and a far-end management platform, wherein the positioning system is connected with the far-end management platform through the sensing system, the positioning system is formed by communicating a plurality of detection systems. The sensing system comprises a sensor node set, a backbone node and a gateway node. The far-end management platform comprises a management terminal module, a service unit and a data analysis module. The sensor node set is connected with a server set through the backbone node and the gateway node, the data analysis module is connected with the server set, and the server set is communicated with the management terminal module. The termite detection system disclosed by the invention is mainly used for solving the selection of the positions of detection points of different objects to be tested, and drawing the moving paths of the termites on the basis of the detection state of the distributed detection points. Moreover, the termite detection system disclosed by the invention also can be used for solving the problems of standardization and uniformity of the interfaces of a plurality of sensors, as well as the high guard grade special sealing, packing and the like of the nodes in a power supply system capable of obtaining various environmental energy and outdoor environment.
Owner:HANGZHOU SHIQI TECH

A self-energizing system and method of operation

The invention discloses a self-energizing supply system and a working method of the system, which relates to the field of energy management. The self-power supply system comprises an energy collectionmodule and an energy management module. The energy collection module is connected with the load device through the energy management module so as to provide working energy to the load device. The energy collecting module is used for collecting environmental energy and outputting the environmental energy after converting the environmental energy into electric energy; The energy management module is used for receiving electric energy output from the energy collection module and outputting stable electric energy to power consumption circuits at various levels according to the configuration of the system and the requirements of energy consumption at various levels. The load device includes at least one energy dissipating element of a sensor, a processor, a communication module, or a communication device for performing respective circuit functions. The scheme provided by the invention can realize the complete self-supply of energy and does not need an external spare battery. It can judge the switch intelligently and adjust the load cycle adaptively, and has the characteristics of ultra-low power consumption.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Composite micro-energy system suitable for small load and energy management method thereof

InactiveCN109617210ASimple and effective approach to energy managementLong cycle lifeBatteries circuit arrangementsElectric powerCapacitanceEnvironmental energy
The invention discloses a composite micro-energy system suitable for a small load and an energy management method thereof, and belongs to the technical field of composite micro-energy management. Thecomposite micro-energy system consists of an environmental energy collection module, an energy management module and an energy storage module connected in series, and the energy management module is connected with a small load. The energy management method of the composite micro-energy system is that the energy management module collects the power consumption information of the small load, the power generation state of the energy collection module and the power storage state information of the energy storage module. As such, the information energy management module decides to charge or discharge the energy storage module, rationally distributes the charge and discharge power of the supercapacitor and the lithium battery in the energy storage module, and gives full play to the respective advantages of the energy storage of the lithium battery and the energy storage of the supercapacitor, thereby improving the reliability of the system, ensuring that sufficient energy is supplied to thesmall load, and ensuring the stable operation. The method is simple and effective, and prolongs the life of the system.
Owner:TSINGHUA UNIV

Fixed type environmental energy capacity measurer

Disclosed is a fixed type environmental energy capacity measurer. A power unit comprises a solar energy unit, a wind power unit and an air energy unit, the solar energy unit comprises a solar cell panel and a storage battery, the air energy unit comprises a centrifugal compressor, an evaporator, a condenser, a throttling valve, a steam engine and an electromagnetic converter, the wind power unit comprises wind blades and a transmission shaft, the solar cell panel acquires environmental solar energy to convert optical energy into electric energy, the electric energy is stored in the storage battery to drive the centrifugal compressor to operate, when pressure of air in a container is twice higher than standard atmospheric pressure, an alarm is started by a pressure sensor, the compressor stops operation, the volume of delivered air is display on a control panel, and calculated results of the capacity of the measured container are displayed on the control panel. The fixed type environmental energy capacity measurer has the advantages that manufacturing cost is low, response is rapid, measurement period is short, the calculated results are precise relatively and are not affected by the shape of the measured container, and the fixed type environmental energy capacity measurer is applicable to large-scale factories, relevant units of customs inspection and the like for measuring capacities of containers in a batch manner.
Owner:WUJIANG XINSHENG SURVEY & DRAW ENGINEERIG

Power self-supplying intelligent system and circuit system

The invention discloses a power self-supplying intelligent system and a circuit system, relating to the field of energy management. The power self-supplying intelligent system comprises a power self-supplying device and a communication platform, wherein the power self-supplying device comprises an energy harvesting module for harvesting and storing energy, an energy management module and a loadingmodule; the energy harvesting module is connected with the loading module through the energy management module; the energy management module is used for receiving electric energy output by the energyharvesting module and outputting stable electric energy to the loading module according to system configuration, working condition and the requirement management and configuration of various levels of energy consumption; the energy harvesting module comprises one or more environmental energy harvesting unit, which is used for harvesting environmental energy, converting the environmental energy into electric energy and then outputting. According to the scheme provided by the invention, complete self-supplying of energy can be realized, and the external connection of a standby battery is not required; the judgment of switching on and off can be intelligently performed, the work period of a load can be adjusted in a self-adapting mode, and the power self-supplying intelligent system has thecharacteristics of ultra-low power consumption at the same time.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Magnetic fuel-saving rubber composite material

InactiveCN103627051AWith magnetic radiation propertiesImprove fuel saving effectEnvironmental energyRubber material
A magnetic fuel-saving rubber composite material relates to a rubber material and comprises components of butadiene-acrylonitrile rubber, a chloroprene rubber adhesive, zinc white, stearic acid, an antideteriorant 4010NA, an antideteriorant RD, a coumarone, dioctyl phthalate, carbon black, a magnetic material, brimstone, a promoter M, and a promoter PZ. The magnetic fuel saving rubber composite material is prepared through the steps of plastifying, mixing, vulcanizing and the like. The magnetic fuel saving rubber composite material provided by the invention has the benefits of enabling an oil delivery pipeline to have a magnetic radiation performance, enabling fuel oil molecules to become small aggregate structures from a large aggregate structure by using a magnetic line to smash the clustering states of fuel oil molecules, and enabling the fuel oil molecules to be activated so as to change physical chemical property thereof, thereby being helpful to sufficient burning of fuel oil, improving the fuel-saving performance of an engine and also reducing contaminant emission. The magnetic fuel saving rubber composite material is in favour of energy conservation and environment protection. Therefore, the magnetic fuel-saving rubber composite material has a stronger promotion and application value. The magnetic fuel saving rubber composite material belongs to products of green environmental energy saving facilities on the aspects of rubber industry and is used on the aspect of automobile fuel saving.
Owner:SHENYANG INSTITUTE OF CHEMICAL TECHNOLOGY

Microampere-scale charging and discharging control circuit for low-power-consumption circuit and low-power-consumption circuit

The invention relates to a microampere-scale charging and discharging control circuit for a low-power-consumption circuit and the low-power-consumption circuit. The charging control part of a charging and discharging capacitor C4 of the microampere-scale charging and discharging control circuit consists of a low dropout linear regulator (LDO) and a field-effect tube (VT1). The grid of the VT1 is connected with the output end of the LDO and the source of the VT1 is connected with the input end of the LDO. In the scheme, the on and off of the VT1 is controlled through difference between input voltage and output voltage of the LDO. When the input energy of a fourth diode (VD4) is not enough to meet main power consumption of a system, the difference between the input voltage and the output voltage of the LDO is not enough to turn on the VT1. When the output energy of the VD4 is enough to drive a main system load, the difference between the input voltage and the output voltage of the LDO is enough to turn on the VT1. At the moment, excessive energy acquired from environmental energy is saved in the energy storage capacitor C4, so as to store excessive electric energy at the same time when power is supplied.
Owner:BEIJING CREATIVE DISTRIBUTION AUTOMATION

Bridged bis-boron-dipyrromethene (BODIPY) derivative containing fluorene at meso-position and preparation method thereof

The invention discloses a bridged double-center BODIPY derivative containing fluorene at a meso-position and a preparation method thereof. The preparation method comprises the following steps: synthesizing a symmetric dialdehyde compound containing bridging groups consisting of benzene, thiophene and furan and different substituent groups like a butyl group and an octyl group; then subjecting the symmetric dialdehyde compound and pyrrole to a reaction under the catalysis of indium trichloride so as to synthesize a bis(dipyrrolidine) compound; and successively carrying out oxidation by chloranil and fluoroboronation by boron trifluoride ether so as to obtain a fluorene-containing different bridging group-substituted BODIPY dye which has a structural general formula as shown in a formula I that is described in the specification. According to the invention, fluorene and the bridging groups consisting of benzene, thiophene and furan are introduced for the first time and conventional synthetic methods are improved, so the obtained double-center BODIPY dye has stable spectral absorption; and introduction of thiophene, furan and fluorene enables the fluorescence emission peak of the derivative presents obvious red shift, and fluorescence effect is enhanced with enhancement of system conjugative effect. The organic dye can be efficiently synthesized and widely used in fields like life science, analytical chemistry and environmental energy.
Owner:江苏博凡科精密五金科技有限公司

Novel double-effect dual-temperature high temperature heat pump device

The invention discloses a novel double-effect dual-temperature high temperature heat pump device and belongs to the field of environmental energy. The device comprises a refrigerant circulation, a high temperature hot water circulation and a refrigerant water circulation. An oil separator is connected between an exhaust end of a compressor and a refrigerant inlet end of a condenser, the bottom of the compressor is connected with an oil cooler, a refrigerant outlet end of the condenser and a refrigerant inlet end of an evaporator are sequentially connected with a subcooler, a stop valve, a dryer, an electromagnetic valve and a throttle valve, and a refrigerant outlet end of the evaporator and an air suction end of the compressor are connected with a superheater. The high temperature hot water circulation and the refrigerant water circulation are formed by the condenser, the evaporator, a water segregator, a heat exchanger and a water collector. The novel double-effect dual-temperature high temperature heat pump device has the advantages that waste heat of high temperature hot water and refrigerant water is recycled in the high temperature hot water circulation and the refrigerant water circulation, cold flow can be provided for a system while the heat is provided for the system, the energy efficiency is improved and cold and heat simultaneously supplying is achieved by the aid of the waste heat recovery, the equipment investment is reduced, and the device is widely applied to various industrial processing and production.
Owner:BEIJING UNIV OF TECH
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