72results about How to "Solve the problem of energy supply" patented technology

The invention discloses a swing-hydrofoil-type wave energy collecting device for a small-size ocean underwater vehicle. The swing-hydrofoil-type wave energy collecting device comprises a swing hydrofoil, a transmission cabin, an internal rotary transmission mechanism, a cabin connecting baffle and an electric generator. The internal rotary transmission mechanism comprises an input shaft, a gear accelerating mechanism and an output shaft. The swing hydrofoil is connected with the input shaft through a U-shaped connecting piece, the output shaft is connected with the electric generator, the cabin connecting baffle achieves sealed connection between cabins, and bearing saddle holes used for supporting the input shaft or the output shaft are formed in the cabin connecting baffle; and a spring is further connected between the swing hydrofoil and a shell body of the transmission cabin. According to the swing-hydrofoil-type wave energy collecting device for the small-size ocean underwater vehicle, based on the difference of hydrodynamics responses of the two parts of the swing hydrofoil and an engine body of the underwater vehicle, the heaving and dipping energy of wave is absorbed by utilizing the swing hydrofoil, the input shaft is driven to conduct rotational motion, after acceleration is conducted, the electric generator is driven by the output shaft to generate electricity, and the problem of the energy supply of long-time operation of the small-size ocean underwater vehicle is solved; and the swing-hydrofoil-type wave energy collecting device further has the advantages that the structure is simple, disassembly and assembly and maintenance are convenient, and the application range is wide.

The invention provides an unmanned aerial vehicle charging task scheduling method in a wireless sensor network. According to the method, classification is carried out according to the power consumption rate of sensor nodes, the nodes are divided into different charging tasks according to a clustering algorithm, a set of charging paths are obtained by solving a path problem, scheduling planning ofthe unmanned aerial vehicle is carried out, and finally a final scheduling scheme is obtained through optimization of an emergency algorithm. The invention has the advantages of wide application range, high charging efficiency, low cost and good market application prospect.

A feedback controlled artificial sphincter system for anus is composed of an internal unit consisting of wireless communication module, the artificial sphincter which comprises pressure sensing bag, miniature pressure sensor, clamping bag, clamping pressure sensor and liquid bag, the artificial sphincter controller which comprises the regulating circuits for said sensors, miniature hydraulic pump and its driver, and single-chip microprocessor, and the power module, and an external unit consisting of wireless transmitting coil on skin, harmonic oscillator, wireless communication module, and single-chip microprocessor system.

The invention discloses an energy-feed composite anti-galloping energy dissipation spacer comprising a body, wherein a cavity is formed inside the body; an excitation coil is mounted on the inner sideof the body; a metal clamp is arranged on the outer side of the body; a first insulating layer is arranged between the excitation coil and the body for insulation; a ring barrel filled with a magnetorheological fluid is arranged in the inner ring of the excitation coil; a metal ball which can roll in the ring barrel is arranged in the ring barrel; a plurality of piezoelectric generating units areinstalled at intervals on the inner ring of the ring barrel along the circumferential direction; pressure sensors is disposed at the two ends of each piezoelectric generating unit; the piezoelectricgenerating unit is connected in series with an electric energy extraction and storage unit, a controller and the excitation coil to form a closed loop; the inner ring of each piezoelectric generatingunit is provided with a second insulating layer; and an electromagnetic particle vibration absorption body is disposed on the inner side of the second insulating layer.

The invention provides an on-line arrester monitoring device with a self-energy-taking function. The device comprises a CPLD (complex programmable logic device), a power supply unit, and a lighting stroke number acquisition unit of the arrester, wherein the output terminal of the CPLD is connected with a remote computer through optical fiber, the power supply unit is connected to two ends of the arrester through a rectifier and stores energy to both a second capacitor and a third capacitor through the arrester, and the stored energy are subjected to DC / DC conversion and used for supplying electricity. The monitoring device utilizes the characteristics of the arrester, utilizes the concepts of capacitor energy storage and low-voltage transformation to realize the self-energy-supply of a communication chip and solves the problem of difficult energy supply to an online monitoring interface module of the arrester.

Provided is a hydraulic underwater vehicle vertical shaft ocean current power generating device, wherein two vertical shaft ocean current power generating devices are respectively mounted on the shell of the vehicle, and the mounting directions of the two vertical shaft ocean current power generating devices are opposite. Three vanes are respectively mounted on the top end of each telescopic mechanism in the vertical shaft ocean current power generating devices; the vanes rotate around a central shaft under the impact of the incoming flow; the lift force and resistance suffered by the vanes are different in different azimuth angles; and tangential force which drives a spindle to rotate is generated for enabling the vanes, the telescopic mechanisms and power generating device brackets to rotate around the vertical axis of the underwater vehicle, so as to drive a permanent magnetic rotor to rotate and cut a winding stator in order to generate an induced electromotive force, thereby changing the kinetic energy of the ocean current into electric energy which is to be used by the underwater vehicle. In the hydraulic underwater vehicle vertical shaft ocean current power generating device, the power generated by acquiring the ocean current energy is in direct proportion to the elongation and turning radius of the vanes; the problem of energy resource supply for underwater vehicle is solved; the working time of the underwater vehicle is extended; and the cost is saved.

The invention discloses a shaking generation device for an underwater glider. The device collects mechanical energy which is generated by wave motion by utilizing rotation of an eccentric shaft on an input shaft of a gliding generator and translation of the gliding generator, and converts the collected mechanical energy into electric energy for the underwater glider through the generator, so thatthe problem of energy supply of the underwater glider is fundamentally solved. The device collects the mechanical energy generated when the under glider shakes in rolling and pitching directions, so the conversion efficiency is high; the whole body of the device has a cylindrical appearance, and the structure is compact, so the device can be used as an independent mechanism to directly load a rotary type underwater glider.

Provided is direct driving vertical axis current power generation devices for an underwater vehicle. Two vertical axis current power generation devices are arranged on an underwater vehicle shell, and the installation directions of the two vertical axis current power generation devices are opposite. Generators are fixedly arranged in central shafts through winding stators. Threes blades are arranged at the top end of a telescopic mechanism in each vertical axis current power generation device, and the blades rotate around the central shafts under the impact of coming flows and generate tangential force driving rotating shafts to rotate, so that the blades, the telescopic mechanisms and power generation device supports rotate around the longitudinal axis of the underwater vehicle to drive inner gears connected the impeller shells to rotate and further drive outer gears and the power generators to rotate, and kinetic energy of ocean current is converted into electric energy used by the underwater vehicle. By means of the direct driving vertical axis current power generation devices for the underwater vehicle, energy supply of the underwater vehicle is achieved, the working time of the underwater vehicle is prolonged, and the cost is saved.

The invention discloses an offshore wind power based hydrogen production and organic liquid hydrogen storage energy-storing system and method. The output end of an offshore wind power generator is connected with the input end of a power divider, two output ends of the power divider are connected with the input end of an AC / DC rectifier and the micro grid respectively, the output end of the AC / DC rectifier is connected with a power interface of a seawater electrolyzing hydrogen production device, a hydrogen outlet of the seawater electrolyzing hydrogen production device is communicated with aninlet of a liquid hydrogenation device, an outlet of the liquid state hydrogenation device is communicated with an inlet of a liquid hydrogen storage tank, an outlet of the liquid hydrogen storage tank is communicated with an inlet of a liquid dehydrogenation device, a hydrogen outlet of the liquid dehydrogenation device is communicated with a hydrogen inlet of a fuel cell power generator, and theoutput end of the fuel cell power generator is elected with the micro grid via a AC / AC inverter. The system and method can be used to solve the problems of energy supply in remote islands as well asintermittence and fluctuation of wind energy.

A vertical axis ocean current power generation device for an underwater aircraft comprises two vertical axis ocean current power generation device bodies and a rotating joint. One vertical axis ocean current power generation device body is arranged between a front aircraft segment and a middle aircraft segment, and the other vertical axis ocean current power generation device body is arranged between the middle aircraft segment and a rear aircraft segment; and the ocean current power generation device bodies are coaxially and fixedly connected with the all segments of the aircraft through a central shaft of the rotating joint; and each ocean current power generation device body is provided with three telescopic mechanisms, and the top end of each telescopic mechanism is provided with a blade. When elongation of the blades is larger and the rotating radius is larger, the ocean current torque borne by the blades is larger, and the power generated by ocean current energy capture is larger. The vertical axis current power generation device has the advantages of being high in controllability and conversion efficiency and compact in structure and can be used as an independent module to be directly loaded on the rotation body type underwater aircraft; the ocean current kinetic energy is converted into electric energy used by the underwater aircraft, and the energy supply problem of the underwater aircraft is thoroughly solved; and the work time of the underwater aircraft is prolonged, and cost is saved.

The invention discloses a network control scheme supporting multiple electric vehicle charging modes. The network control scheme is characterized in that a three-bus topology structure is involved, and a vehicle controller is used as a gateway and a management center of the structure, wherein a comprehensive information display terminal is simultaneously connected with first and second buses; the first of three buses is a vehicle chassis system bus comprising nodes such as an electronic transmission, a motor controller, an electric power assisting system and a brake boosting system; the second of the three buses is a vehicle body system bus comprising nodes such as an electric air conditioner, a vehicle body control module, a combined instrument panel, a DCDC (direct current-direct current) converter and a fault diagnosis instrument; the third of the three buses is a power management system bus comprising nodes such as a battery management system, a ground charger (interface) and a vehicle-mounted charger. According to the network control scheme, the requirements of the same vehicle on the multiple charging modes can be met.

The invention discloses a high-flow dynamic output control method of a cartridge valve. The high-flow dynamic output control method of the cartridge valve comprises the steps that a DT2 oil path of acontrol solenoid valve is through while a DT1 oil path of the control solenoid valve is stopped, hydraulic oil inside a first oil conveying channel passes through the DT2 oil path to return to an oiltank so that a guide shaft can provide power for a valve element sleeving the guide shaft, and thus the valve element is driven to move upwards; the DT1 oil path of the control solenoid valve is through while the DT2 oil path of the control solenoid valve is stopped, hydraulic oil inside a second oil conveying channel passes through the DT1 oil path to return to the oil tank so that the guide shaft can provide supporting power for the valve element, and thus the valve element is driven to move downwards; a second oil outlet communicates with a third oil outlet, and hydraulic oil inside the third oil outlet is discharged out from the second oil outlet. The invention further provides the high-flow dynamic output cartridge valve for implementation of the method. By increasing the flow of thecartridge valve and improving flow stability, the requirements of providing sufficient power and stable control for large piling machines of 1000 tons or above.

The invention discloses a vibration power generating device. The device comprises a bracket, an elastic plate, conductive welding needles and power generating parts, wherein a cavity is formed in the bracket, and one end of the cavity is provided with an opening; the elastic plate is arranged at the opening of the cavity, so that the cavity supports the edge of the elastic plate; a quality block is arranged in the center of the elastic plate; and the power generating parts comprise one or a combination of two or more than two of the parts, namely a piezoelectric part, a magnetoelectricity part, an electrostatic part and an electret part. By the device, a plurality of kinds of relatively independent output power are integrated to output electricity, long-term reliable autonomous power is provided for a micro-nano system, service life of the device is prolonged, and the device has high power generating efficiency and small size, and is low in cost, economic and environment-friendly; and in addition, the elastic plate drives the quality block to move along the vertical direction of the elastic plate when vibrating, and the power generating efficiency is high. The invention also discloses a manufacturing method for the vibration power generating device.

The invention belongs to the technical field of electrical equipment condition-based maintenance and relates to an online capacitance monitoring device of compensating capacitors. The online capacitance monitoring device comprises a resistive divider, current sensors, signal collection modules, wireless launching modules, a data receiving module, an industrial personal computer and a high energy battery. The data receiving module comprises a wireless receiving module and a control module. A capacitor group to be tested is connected with the signal collection modules through the resistive divider and the current sensors. The signal collection modules are wirelessly connected with a wireless receiving module through the wireless launching modules. The wireless receiving module is in both-way connection with a serial port RS 485 interface of the industrial personal computer through a control module. The positive pole of the high energy battery is connected with the current sensors, the signal collection modules and one power supply ends of the wireless launching modules, and the negative pole of the high energy battery is connected with a metal framework of the capacitor group to be tested. The online capacitance monitoring device ensures online detection safety and safely and effectively solves the problem of energy supply of outdoor electronic components.

The invention relates to a power generation device for a revolving body underwater vehicle. Four power generators are fixedly arranged on a cross-shaped support frame; a pendulum hammer is positioned below the center of the cross-shaped support frame; and the pendulum motion of the pendulum hammer is converted into rectilinear motion of each threaded sleeve through four sets of spatial crank slider mechanisms composed of a top rod, a connecting rod and a threaded sleeve respectively. When each threaded sleeve rectilinearly moves, rotor shafts of the power generators are driven to rotate under the constraint of a guide rod and through the transmission of a reverse ball screw so as to realize the purpose of converting collected mechanical energy into electric energy for the use of the revolving body underwater vehicle. The power generation device has the beneficial effects that the shaking kinetic energy of the pendulum hammer in a space in different directions is converted into the electric energy, so that the problem of energy supply of the revolving body underwater vehicle is basically solved; the power generation device has the advantages of simple structure, easiness in processing and high efficiency; and the whole power generation device is cylindrical in appearance, is compact in structure, is installed in the revolving body underwater vehicle as an independent module, has the replaceability, is not affected by the marine bad environment and is not limited by power generation time.

Disclosed is a horizontal axis ocean current power generation device for an underwater vehicle. The horizontal axis ocean current power generation device is symmetrically and fixedly arranged between a front aircraft segment and a middle aircraft segment. Three unfolding mechanisms are evenly distributed and arranged in grooves in the circumference of an impeller shell of a mounting support, and blades at the top ends of the three unfolding mechanisms stretch out of the impeller shell. The unfolding mechanisms are arranged in the grooves in the circumferential surface of the impeller shell; a winding stator of an electric generator is fixedly arranged on a central shaft; the blades are affected by ocean current torque; and the blades, the mounting support and a permanent magnet rotor of the electric generator rotate jointly around the longitudinal axis of the underwater vehicle, and therefore the permanent magnet rotor of the electric generator does the relative motion relative to the winding stator. A magnetic induction line is cut so as to generate induced electromotive force, and therefore kinetic energy of the ocean current is converted into mechanical energy, and then the mechanical energy is converted into electric energy which is supplied to the underwater vehicle to be used. The working time of the underwater vehicle is prolonged, and the cost is saved.

The invention provides a hot-line test device for leakage current of a transmission line insulator. The hot-line test device comprises a leakage current acquisition unit and a portable leakage currentmeasurement unit. The leakage current acquisition unit includes a current acquisition element, an insulated wire, and an interface unit. The current acquisition element is arranged on the insulator or a hardware fitting connecting an insulator string and an iron tower. The current acquisition element is used to collect leakage current of the insulator. The insulated wire is wrapped, attached andfixed on the iron tower. One end of the insulated wire is electrically connected to the current acquisition element. The portable leakage current measurement unit is suitable for being secured to theiron tower of a transmission line and connecting a ground terminal with the iron tower during detection. An input terminal of the portable leakage current measurement unit is electrically connected tothe other end of the insulated wire through the interface unit. The invention also provides a hot-line test method for leakage current of the transmission line insulator. The test device of the invention can measure all insulator strings on the iron tower with only a portable leakage current measurement unit, and has high efficiency and low cost.

The invention discloses an all-weather all-region cycling ecological agriculture system including a culturing greenhouse group, a plantation greenhouse group, an acid adjustment pool group, a fermentation cylinder group, a gas tank group, a waste water separator set, a solar heater set, a storage battery set, and a wind energy generator set, a fermentation cylinder is connected with an acid adjustment pool through a pipeline, a gas tank is connected with the fermentation cylinder through a pipeline, the waste water separator set includes a plurality of waste water separators which are connected with the fermentation cylinder through a pipeline, the solar heater set includes a plurality of solar heaters, the storage battery set supplies power to the system, and the wind energy generator set includes a plurality of wind energy generators. The all-weather all-region cycling ecological agriculture system is reasonable in design, convenient to maintain, organize, and implement, and high in automation, the energy supply needed by itself is solved by means of natural resources, a cleaning energy capable of cycle regeneration and various organic agricultural and sideline products can be provided to people, and environment is beautified.

The invention provides a gasification furnace with a tar catalytic cracking structure to solve the general problem of tar of biomass gasification furnaces. The gasification furnace comprises a furnace body, wherein the furnace body comprises a feeding hole, an ash door and a fuel gas outlet; the fuel gas outlet is communicated with a cracker with a multi-section tubular structure; the cracker is provided with a steam inlet and a second fuel gas outlet; and the cracker is arranged in the furnace body and at least one part of the cracker is exposed in the furnace body. High temperature fuel gas containing atomized tar in the furnace body is discharged through the fuel gas outlet, and enters the cracker through a gas-ash separator; at the moment, the temperature of the fuel gas is about 500-600DEG C, and the fuel gas is secondarily heated to the temperature of higher than 750DEG C by heat provided by the furnace body in the cracker; and the fuel gas is reacted with steam under the action of a catalyst, most tar in the fuel gas is cracked into combustible gases such as CO, H2 and the like, so that carbon black is reduced, and the yield of gas is improved; therefore, the gasification furnace is more convenient to use and wider in application range.

The invention relates to a preparation method of an all-solid-state metal ion battery. The preparation method comprises steps as follows: a substrate is provided; at least two laminating units are formed on the substrate, and each laminating unit comprises a cathode film, an anode film and an inorganic solid-state electrolytic film arranged between the cathode film and the anode film; the laminating units are superimposed. The invention further relates to the all-solid-state metal ion battery comprising at least two laminating units superimposed on the substrate as well as an electric vehicle utilizing the all-solid-state metal ion battery. The battery prepared with the preparation method of the all-solid-state metal ion battery has the characteristics of nontoxicity, high safety, high energy density, high battery capacity, high charge-discharge capacity retention and the like.

The invention discloses a horizontal axis ocean current power generation device for an underwater vehicle. The power generation device is arranged in a groove of a revolving body of the underwater vehicle. The power generation device comprises an undercarriage unit, a yawing unit and a power generation unit. Rising and falling of the whole power generation device are achieved through the undercarriage unit. Through the yawing unit, the power generation unit can randomly rotate by 360 degrees in a horizontal plane so that active yawing can be performed along with a change of a ocean current direction to realize an incident flow function. The power generation unit drives an outer shaft and an inner shaft to rotate respectively through a front blade and a rear blade which rotate oppositely sothat an inner rotor and an outer rotor of a motor are driven to rotate oppositely, and magnetic induction lines are cut to generate power. The power generation device is high in controllability, highin conversion efficiency and compact in structure, and can be directly loaded on the underwater vehicle as an independent module. According to the device, ocean current kinetic energy is converted into electric energy used by the underwater vehicle, and an energy supply problem of the underwater vehicle is fundamentally solved.

The invention discloses a horizontal shaft ocean current power generation device used for a solid-of-revolution underwater vehicle. Two horizontal ocean current power generation devices are arranged on a shell of the vehicle and are opposite in mounting direction. Plunger pumps are fixedly arranged on the inner surfaces of support plates; the top end of each plunger pump is connected with an interface on a sleeve end cover of a corresponding telescopic mechanism, and the bottom end of each plunger pump communicates with a hydraulic oil tank. Three blades are arranged on the top end of each telescopic mechanism in the horizontal shaft ocean current power generation device, rotate around a center shaft under impact of incoming current and generate a tangential force driving a rotary shaft to rotate, so that the blades, the telescopic mechanisms and a power generation device bracket rotate around the longitudinal axis of the underwater vehicle, inner gears connected with an impeller shell are driven to rotate, outer gears and a power generator are driven to rotate, and kinetic energy of ocean currents is converted into electric energy for the underwater vehicle to use. The problem of energy supply of the underwater vehicle is solved, the work time of the underwater vehicle is prolonged and the cost is saved.

Disclosed is a vertical axis ocean current power generation device provided with unfolding mechanisms and used for an underwater vehicle. Two vertical axis ocean current power generation devices are installed on a shell of the underwater vehicle, two crank driving rods are connected with two screw nuts through two screws respectively, and one parallelogram-shaped unfolding mechanism is formed by a blade, two cranks and an impeller shell. The blades rotate around the central axes under the impact of incoming flow, lift forces L and resistance forces D borne by the blades at different azimuth angles are different, tangential force driving rotation shafts to rotate is generated to enable the blades, a supporting mechanism and a power generation device support to rotate around the longitudinal axis of the underwater vehicle, winding stators are driven to rotate to cut permanent magnet rotors to generate induced electromotive force, and therefore kinetic energy of ocean currents is converted into electric energy used for the underwater vehicle. In the vertical axis ocean current power generation device provided with the unfolding mechanisms and used for the underwater vehicle, the power generated by capturing the energy of the ocean currents is in direct proportion to the spread length and the rotation radius of the blades, the problem of energy supply of the underwater vehicle is solved, the working time of the underwater vehicle is prolonged and cost is saved.

The invention discloses a high-pressure water tunnel test device and a test method thereof. The high-pressure water tunnel test device comprises a water tunnel test section, a shaftless propelling device, an air supply pipeline, air supply equipment, a pressure-regulating cavitation-removing device, reducing and expanding sections and accelerating pipelines. The two ends of the water tunnel test section are respectively connected with a reducing pipeline and a expanding pipeline and are externally connected with the accelerating pipelines, and the pipelines form a closed loop. One or more shaftless propelling devices are dispersedly arranged on the water tunnel acceleration pipeline. If there are a plurality of shaftless propelling devices, the multiple shaftless propelling devices are dispersed and distributed in the whole course of the acceleration pipeline. The air supply equipment and the air supply pipeline are arranged outside a water tunnel pipeline to provide a power working medium for the shaftless propelling devices. According to the system, the flow and the flow speed of an existing water tunnel system can be remarkably improved, the energy supply problem of high-power equipment is solved, input energy is efficiently converted into the water flow speed, meanwhile, the high-pressure state under the deep sea condition can be simulated, and the cavitation problem caused by high-speed water flow is effectively solved.

The invention discloses a gear transmission based underwater vehicle vertical shaft current power generation device. Two vertical shaft current power generation devices are respectively installed on a vehicle casing; installation directions of the two vertical shaft current generation devices are opposite; an internal gear is fixed on the external end surface of an impeller casing end plate; external gears are fixed on shafts of the electric generators; the electric generators are symmetrically installed on the end surface at the middle section of the vehicle; three blades are respectively installed at top ends of extensible mechanisms; the blades rotate surrounding a center shaft under impact of incoming flows and generate tangential force which drive a rotary shaft to rotate and accordingly the blades, the extensible mechanisms and generation device supports rotate surrounding underwater vehicle longitudinal axes, the internal gear which is connected with an impeller casing is driven to rotate, then the external gears and the electric generators are driven to rotate, and kinetic energy of currents is converted to be electric energy for the underwater vehicle. The gear transmission based underwater vehicle vertical shaft current power generation device solves the energy supply problem of the underwater vehicle, prolongs the working time of the underwater vehicle and saves costs.

The invention discloses a device and a method for preparing high-quality fuel gas by solar-driven solid waste sectional gasification, and belongs to the technical field of solar energy utilization. The device comprises a heliostat field, a solar fluidized bed, a solar melting furnace, a water vapor generator, a coal economizer, an air preheater, a bag-type dust collector, a desulfurizing tower, afuel gas compressor and a gas storage device. Solar energy is gathered by the heliostat field to supply heat, sensible heat of high-temperature combustible gas generated through segmented gasificationof a solar fluidized bed and a solar melting furnace is recycled through the water vapor generator, the coal economizer and the air preheater in sequence, and then the high-temperature combustible gas is subjected to purification treatment through the bag-type dust collector and the desulfurizing tower to form high-quality fuel gas to be compressed, stored or directly utilized. The solar-driven segmented gasification reaction system is realized, the quality of gasified combustible gas can be effectively improved while solid waste is treated, secondary pollutants such as dioxin are prevented from being generated, the gasification efficiency of the system is improved, excessive solar energy is reasonably utilized, and the energy-saving and environment-friendly effects are achieved.

The invention relates to a linear cognitive radio network-oriented energy supply optimization method. For solving the problem of equipment charging of the cognitive radio network and the problem of incapability of further promoting the charging efficiency of the wireless charging technique, a mathematical optimization method is adopted for realizing the combined optimization of charging time and charging power in the cognitive radio network on the basis of taking the minimal network end-to-end outage probability as an optimization objective, the charging time is optimized for realizing quick charging while the charging power is optimized and the energy consumption of the cognitive wireless access point is reduced through the reasonably designed energy beacon under the condition of guaranteeing the network performance. According to the method provided by the invention, the sequential execution of wireless data transmission and wireless energy supply can be realized and the network management cost can be effectively lowered.

The invention discloses a wireless sensor network capable of remote wireless charging, which is characterized in that: it includes a sending end and a receiving end, the sending end includes a transmitting module; the receiving end includes a sensor node module and an energy collection module; the sensor The node module includes a sensor unit, a micro-processing unit, and a wireless communication unit; the micro-processing unit includes an A / D converter and an MCU, which connects the sensor unit and the wireless communication unit; the energy collection module includes an antenna and a rectifying circuit connected in sequence , a DC / DC converter, an energy storage capacitor and a power management unit; the power management unit is connected to a micro-processing module; the antenna is connected to a wireless communication unit and a rectifier circuit; the antenna is a dual-frequency antenna. The wireless sensor network of the invention realizes the function of remote wireless charging and solves the energy supply problem of the wireless sensor network.

The invention relates to a self-powered vehicle speed measurement and overspeed photographing evidence obtaining system which comprises a first energy collection belt, a second energy collection belt and a central control rod, the two energy collection belts are installed at preset positions of a road surface, and the distance between the two energy collection belts is a set value s; each of the two energy collection belts comprises a plurality of fully-sealed power generation units which are connected in series or in parallel. The two energy collecting belts are electrically connected with the central control rod in a wired mode after being connected in series or in parallel, the center control rod is installed at the preset position of a road, a power management module, a center control module and a wireless transmission module are installed in the central control rod, a snapshot camera is installed at the top of the central control rod, and the power management module is electrically connected with the central control module, the snapshot camera and the wireless transmission module, and provides continuous power supply for the central control module, the snapshot camera and the wireless transmission module so as to realize system self-energization; according to the invention, the speed of the vehicle can be monitored, green, environment-friendly and sustainable energy can be provided for the work of the whole system, the self energy supply of the system is realized, and the energy supply problem of the current speed measurement photographing device is solved.

The invention discloses a communication equipment wireless transmission docking station which comprises a docking station body. A control module used for controlling the overall operation of the docking station body, a storage module used for storing information, a wireless transmission module used for uploading the stored information to the cloud, a Bluetooth module connected with external electronic equipment, and an energy storage module used for providing electric energy are arranged in the docking station body. The docking station body is externally connected with electronic equipment through the Bluetooth module. The wireless transmission module is a wifi wireless network transmission connection module. The docking station body is in wireless transmission connection with the electronic equipment through the Bluetooth module, and the version of the Bluetooth module is not smaller than Bluetooth 4.5. The energy storage module is one of a lithium battery, a tritium battery and a lithium air battery. The effects that wireless connection transmission can be carried out through the Bluetooth module, the docking station body does not need to be placed beside the electronic equipment, and the application range is expanded are achieved.