85results about How to "Meet power demand" patented technology

The present invention provides a high current pulse generator for DC powered devices. The generator includes batteries as the power source that charges supercapacitors as well as provides power to the loads as required. During charging, the supercapacitors are connected in parallel, but they are switched to series connection by relays at the moment that the loads demand large currents. No other controlling means except for relays in the circuit is employed, so that the electric arrangement is simple, reliable, and cost-effective. As the batteries are designed to deliver currents at low discharge rates, the effective use-time of batteries is prolonged. Furthermore, due to the high power densities of supercapacitors, the readily available alkaline batteries can be utilized in the power unit for electric power tools.

An auxiliary power system providing electric power from a fuel cell stack at a nominal steady state output experiences an instantaneous voltage drop when maximum load is called for, which voltage drop can damage the fuel cell stack. Also, the required power increase cannot be provided for a short lag period during which the fuel cell fueling is ramped up. In the present invention, an electricity storage device, such as a battery, is provided in parallel with the fuel cell stack to meet the burst power demand during the fuel cell ramp-up lag. Various alternative control mechanisms are disclosed to assure that the necessary power is provided while also protecting both the fuel cell stack and the battery from damaging voltage swings. A vehicular application with a shared vehicle battery is also disclosed.

The invention relates to an alternating current and direct current mixed traction power supply system with an ice melting function. The alternating current and direct current mixed traction power supply system comprises an alternating current power supply assembly, a direct current power supply assembly and a discharging coil, wherein the alternating current power supply assembly is used for realizing alternating current power supply, a traction transformer of the alternating current power supply assembly is connected into a traction power supply net through a first circuit breaker, the traction transformer outputs alternating current after the voltage reduction and is connected with the traction net through an alternating current feeder switch, the direct current power supply assembly is used for realizing direct current power supply, a rectifying transformer of the direct current power supply assembly is connected into a traction power supply net through a second circuit breaker, the rectifying transformer is subjected to voltage reduction and outputs direct current after being rectified via a rectifier, one path is connected with the traction net through the direct current feeder switch, the other path is connected with the traction net through a double-electrode high-voltage isolation switch, in addition, a high-voltage isolation switch used for realizing short circuit on a traction net uplink and a traction net downlink is arranged at the tail end of a section post line, and the traction net uplink and the traction net downlink form a ice melting loop; the discharging coil is arranged at the positive bus end of the output side of the direct current feeder switch and is provided with a high-voltage switch. The alternating current and direct current mixed traction power supply system has the advantages that the principles are simple, the function integrality is high, the operation is safe and reliable, and the like.

The invention discloses a flexible lithium ion battery. The flexible lithium ion battery is composed of a case packaging and an electrical core packaged in the case packaging; the electrical core comprises a cathode and an anode, an upper extraction electrode arranged on the cathode, and a lower extraction electrode arranged on the anode; the electrical core also comprises a polymer electrolyte fire-retardant composite layer arranged at the middle part of the electrical core; the polymer electrolyte fire-retardant composite layer is a composite thin film composed of a polymer electrolyte layer arranged in the middle, and solid fire retardant layers arranged on the upper surface and the lower surface respectively. The invention also discloses a preparation method of the flexible lithium ion battery. The solid fire retardant-containing flexible lithium ion battery is high in efficiency, long in cycle life, and large in energy density, and is capable of satisfying electric energy demands of flexible electronic devices. The solid fire retardant is capable of improving safety performance of the flexible lithium ion battery effectively. The preparation method is unique, is convenient for processing and batch production, and is high in practical value.

The invention provides a solar battery system. The solar battery system comprises one or more floating carriers, one or more series-wound solar battery packs and a storage battery, wherein the solar battery packs are fixed on the upper surface of each floating carrier, and the storage battery is electrically connected with the solar battery packs which are connected in series. The solar battery packs are fixed on the floating carriers, the limitation that the solar battery packs are arrange on a beacon light pedestal is overcome, thus, the areas of the upper surfaces of the floating carriers can be increased to load more solar battery packs, so that the electric energy production of the solar battery packs is increased along the increase of number of the solar battery packs; furthermore, because the stormy wave on the sea surface is large, the working temperatures of the solar battery packs are lower than those of the solar battery packs on the land, so that the electric energy production of the solar battery packs in the same number is further increased, and the energy generated by the solar battery packs is stored in the storage battery to meet the requirements of permanent staff at sea on the electric quantity.

The invention provides a power network development capability comprehensive diagnosis index system establishment method. The method comprises the following steps of 1, establishing a target layer, which is a power network development diagnosis index system; 2, establishing a control layer, which comprises 6 indexes including a power network scale, a power network structure, utilization efficiency, safety reliability, an equipment level and an operation environment; 3, establishing a network layer, which comprises 39 indexes corresponding to the indexes of the control layer respectively; 4, calculating weights omega i of the indexes based on a analytic network process; 5, building an aggregation model; and 6, displaying a diagnosis result. According to the method, in combination with a power network development law, starting from limitations of power network development conditions and external factors, related indexes influencing power network development are selected, and from the perspective of long-term power network development, the limitations of resources such as energy resources, environments, lands and the like on the power network development are considered, so that an innovative index is proposed.

The invention discloses a method and system for displaying speed limit information and belongs to a field of road traffic. The method is applied to the system including an environment monitoring sensor assembly, a control sub system, an LED display screen, a solar power supply sub system and a first sensor. The solar power supply sub system supplies power to other parts in the system. The method includes that the environment monitoring sensor assembly reports monitored environment information to the control sub system; the control sub system determines a speed limit value and an environment event of a traffic road according to the environment information; the first sensor sends a triggering signal to the control sub system when detecting a vehicle passing by; the control sub system switches on the LED display screen according to the triggering signal and controls the LED display screen to display the speed limit value and prompt information corresponding to the environment event periodically in a first time length. According to the invention, effects of reducing power consumption of the LED display screen, determining the speed limit value reasonably, regulating the speed limit value timely and enlarging the application range of the LED display screen are achieved.

Disclosed is a renewable energy source complementary combined cooling heating and power system. A heat storage water tank (2) is provided with a temperature sensor (T0) and is communicated with a constant temperature fermentation device (3) through a solenoid valve (V1); the constant temperature fermentation device (3) is provided with a temperature sensor (T1) and a pressure gage (P1), is communicated with an air compressing device (4) through a valve (V2), and is connected with a circulating water pump (22) which is further connected with a solar heat collector (1); the air compressing device (4) is connected with a purification device (5) which is further connected with a methane storage tank (6) through a valve (V3); the methane storage tank (6) is provided with a temperature sensor (T2) and is connected with a power generation device; air enters the power generation device from an air purification device (7) through an air pump (8), and smoke gas exhausted by the power generation device drives a refrigerating device.

The invention provides an auxiliary power supply system of a wind generation set, a wind driven generator and an auxiliary power supply power supply method of the wind generation set. The auxiliary power supply system of the wind generation set comprises a box type transformer, an auxiliary transformer, a tower footing cabinet and a main control cabinet. A first super capacitor is arranged in the tower footing cabinet, and the box type transformer, the auxiliary transformer, the first super capacitor and the main control cabinet are electrically connected in sequence. The auxiliary power supply system of the wind generator set further comprises a solar photovoltaic device which is electrically connected with the first super capacitor and used for supplying electricity for the first super capacitor. According to the mentioned technical scheme, in the process of debugging a fan, electric energy provided by the solar photovoltaic device can meet the debugging requests of the wind generation set, electricity does not need to be taken from a power grid with the help of the auxiliary transformer, the wind generation set is enabled to be capable of being started normally, and grid connection can be carried out on the wind generation set. In addition, due to the fact that the solar photovoltaic device can supply electricity for the first super capacitor continuously, the possibility that electricity lacking conditions occur to the first super capacitor is greatly reduced, and the service life of the super capacitor is prolonged.

The invention discloses a vehicle-mounted OBD device used on an OBD diagnosis seat and a communication system. The vehicle-mounted OBD device comprises the OBD automobile diagnosis seat, an automobile condition data acquisition interface circuit, an MCU control module, a USB interface and a mobile phone bracket with a charging port. The vehicle-mounted OBD device is communicated with the smart phone through a USB, the cost for a Bluetooth module and a WiFi module is saved, data transmission stability is improved, the user can conveniently use the mobile phone on an automobile through the mobile phone bracket with the charging port, the automobile is connected with the smart phone through the USB interface and a lead, and the electric energy demand of the automobile owner using the smart phone for a long period of time is met. After the smart phone is connected with the vehicle-mounted OBD device, the phone APP automatically detects mobile phone connection, and an OBD protocol can be started in advance for scanning. After the mobile phone of the user is connected and the phone APP is started, the vehicle-mounted OBD device can quickly display a result compared with common OBD devices, efficiency is improved, user experience is improved, the attractiveness of a traditional vehicle-mounted OBD device to the automobile owner is improved, and dependency of the user to a product is also greatly improved.

The invention discloses a power generation power structure, a wearable power generation device and a knee joint protection device. The power generation power structure comprises a shell fixedly connected with a power generator and further comprises a transmission assembly fixed in the shell and connected with the power generator in a transmission manner. The transmission assembly comprises a one-way transmission mechanism with the power output end in transmission connection with the power generator, and a power piece in transmission connection with the power input end of the one-way transmission structure. The one-way transmission mechanism transmits the rotation power, in the forward direction and the reverse direction, of the power piece to the power output end as the rotation power in the same direction, and therefore the power generator can be driven to rotate in the same direction to generate power through forward rotation and reverse rotation of the power piece. According to the power generation power structure, the kinetic energy of the reciprocating movement is effectively utilized, energy is saved, the power generation power structure is installed on the wearable power generation device and fixed to the limbs on the two sides of the human body joint, the kinetic energy of the reciprocating movement of the human body limbs is converted into electric energy, environment-friendly power generation is achieved and meanwhile the purpose of physical exercise doing is achieved.

The invention discloses a foam drainage gas production method, device and system. The method comprises the steps that the pressure value, detected by a detection device, of an underground space is obtained, the liquid accumulation height of the underground space is determined according to the pressure value of the underground space, and a control instruction corresponding to the accumulated liquidheight is generated, wherein the control instruction is used for controlling a putting device to put a foam discharge rod corresponding to the accumulated liquid height into the underground space. The technical problem that in the existing foam drainage gas production technology, quantitative chemical adding cannot be automatically conducted according to wellbore accumulated liquid is solved.

The invention provides a discharge control method and device for a power battery, a controller and an automobile. The discharge control method for the power battery comprises steps as follows: when the power battery enters a discharge state from an initial state, the power battery is controlled to discharge until an SOC (state of charge) reaches a preset reference value, and the preset reference value represents an SOC value obtained after the power battery is discharged by electricity required by the whole automobile from the SOC being 100%; when the SOC of the power battery reaches the preset reference value, the power battery is controlled to discharge until the power battery discharges completely. Therefore, with the adoption of the scheme, power supply capacity of the power battery can be sufficiently played, and the problem of electricity waste caused by the fact that part of electricity can remain in the power battery and cannot be used in the prior art is solved.

The invention discloses an all-weather solar wireless intelligent lighting system based on double batteries. The all-weather solar wireless intelligent lighting system based on double batteries comprises a double-battery lighting subsystem, a ground photovoltaic power station, a battery charging network, and a wireless remote monitoring control subsystem. The double-battery lighting subsystem comprises a double-battery set composed of a memoryless lithium battery and a memory lead-acid battery and is used for providing all-weather light for users. The ground photovoltaic power station is used for absorbing solar energy and converting the solar energy into electric energy, charging the memory lead-acid battery, and providing required full-load electricity for the memory lead-acid battery. The battery charging network is used for connecting the memory lead-acid battery with the ground photovoltaic power station, transmitting required electricity for the memory lead-acid battery, and enabling the double-battery set to fully meet the electricity demand of a light source. The wireless remote monitoring control subsystem is sued for monitoring, acquiring, transmitting and storing battery capacity and outdoor light, processing the acquired information, and determining whether to control charging and discharging of the batteries or not and whether to remotely control on, off, duration and brightness of lamps or not.

The invention relates to a vertical takeoff power supply system, a fixed wing unmanned aerial vehicle and a working method. The vertical takeoff power supply system comprises a power source power supply device located on the ground. The power source power supply device is suitable for keeping supplying power to the unmanned aerial vehicle when the unmanned aerial vehicle vertically takes off. After the unmanned aerial vehicle reaches the preset height, the unmanned aerial vehicle is separated from power supply of the power source power supply device. The power source power supply device is used for continuously supplying power to the unmanned aerial vehicle when the unmanned aerial vehicle vertically takes off, the requirement for vertical takeoff electric energy is met, electric energy consumption of the unmanned aerial vehicle is greatly reduced, the cruising mileage of the unmanned aerial vehicle is increased, and the cruising time of the unmanned aerial vehicle is prolonged.

The invention discloses an intelligent bicycle hanging device and a working method. According to the intelligent bicycle hanging, a self-power generation module is adopted to generate power, pulse data can be converted into the speed per hour and the mileage data of a bicycle through magnetic cutting, and then data acquisition and recording in the running process of the bicycle can be achieved; in addition, as the whole set of equipment is supplied with power by self, a space for an external battery is saved, intelligent equipment is not limited in the riding process any longer, and meanwhile the cruising ability and the operation flexibility can be improved.

The invention discloses hazardous waste incineration complete equipment and a treatment technology, and belongs to the technical field of hazardous waste treatment. The complete equipment comprises apretreatment and feeding system, an incineration system, a waste heat utilization system, a flue gas treatment system and an ash collecting system; the pretreatment and feeding system comprises a hazardous waste storage area, a vehicle driving grab crane, an elevator, a hazardous waste crusher, a spiral pushing and feeding machine, a hydraulic pushing and feeding machine and a waste liquid feedingmachine; the incineration system comprises a rotary kiln and a secondary combustion chamber which are communicated with each other in sequence; the waste heat utilization system comprises a waste heat boiler and a turbonator connected with the waste heat boiler; the flue gas treatment system comprises a quenching tower, a dry-type deacidification tower, a bag-type dust remover, a flue gas heat exchanger, an acid pickling tower, a neutralizing tower and a chimney; the ash collecting system comprises an ash discharging machine and an ash conveying machine. By means of the hazardous waste incineration complete equipment, heat energy generated by waste heat after incineration can be fully utilized and is converted into electric energy, and the problems of loss and waste of the heat energy inthe prior art are solved.

The invention discloses a multifunctional insecticidal lamp which comprises a support frame with a hollow structure, a master control system based on an AT89S52 chip and an alarm module in control connection with the master control system, wherein an all-around insecticidal device is arranged on the support frame; an automatic cleaning component in control connection with the master control systemis further mounted on the all-around insecticidal device; the multifunctional insecticidal lamp further comprises an energy combination power generating device based on solar energy and wind energy;the energy combination power generating device is used for supplying power to the master control system and the all-around insecticidal device and can make full use of the solar energy and the wind energy to generate more electric energy; electric energy demands of the multifunctional insecticidal lamp in a working process are satisfied; a timely alarm function when a hazardous condition appears is achieved; at the same time, automatic cleaning treatment operation of the surface of an insecticidal grid can be achieved; an insecticidal effect of the insecticidal grid is guaranteed; the influence of dead insects accumulated on the surface of the insecticidal grid on insecticidal performance of the insecticidal grid is effectively avoided; a trouble of manual cleaning is removed; and the insecticidal efficiency of the multifunctional insecticidal lamp is improved.

The invention discloses a solar street lamp system for highways and a control method thereof. The solar street lamp system for highways comprises a plurality of solar street lamps which are sequentially arranged in parallel along the road side, wherein each solar street lamp comprises a lamp post, and the lamp post is provided with a main cabinet, an illuminator and a solar cell panel. The solar street lamp is characterized by comprising a control unit and a power management unit which are sequentially connected, wherein the control unit is connected with a photosensitive device for sensing automobile lamp illumination and an illuminator, and the power management unit is connected with the solar cell panel. When the photosensitive device senses the night driving light, the control unit can transmit a signal through a wireless transmission module, so that the solar street lamps within the signal available range are turned on instead of all the street lamps; and as the vehicle advances, the street lamps in front are gradually turned on, and the street lamps behind are gradually turned off.

The invention discloses an intelligent shoe which comprises a sole and a vamp. A pressure sensor and a control unit are arranged in the sole, wherein the pressure sensor can convert pressure into electric signals to output, the control unit comprises a wireless communication module and a control module, and the wireless communication module and the control module are in data connection; the control module is in data connection with the pressure sensor. A power generator of the intelligent shoe improves step counting and weight measuring accuracy and electricity conversion efficiency, and the requirements of components for electricity are met; meanwhile, the intelligent shoe plays a practical role in measuring of temperate and humidity in the shoe; by means of miniaturization and intelligent design, improvement of multifunctionality and practicality of common shoes is achieved, and more wear enjoyment and experience are provided for users.

The invention discloses an electrostatic generator, a method for increasing the output power, a charging method and wearable equipment, wherein the electrostatic generator comprises a rotor and a stator; the rotor comprises a positive and negative charge electret; the positive and negative charge electret comprises an electret body; a positive charge area and a negative charge area are formed on the electret body at intervals; a first charge electret and a second charge electret, which are respectively positioned in the two charge areas, are formed on the electret body; the stator comprises astator substrate and an electrode; the electrode is provided with the same number of corresponding electrode bodies corresponding to the first charge electret and the second charge electret; and the stator substrate is made by a foam material, the dielectric constant of which is 1-3. According to the electrostatic generator in the embodiment of the invention, the positive and negative charge electret of the rotor has positive charge and negative charge at the same time; the effective charge density is increased by one time; the dielectric constant of the foam material is relatively small; thenatural capacity of the electrode can be reduced; and, compared with the ordinary electrostatic generator, the output power is increased by 5-6 times.

The invention relates to the technical field of power systems, and especially relates to a 110kV transformer substation main wiring structure using a split transformer. The 110kV transformer substation main wiring structure comprises a first three-phase 110kV / 10kV double-winding split transformer, a second three-phase 110kV / 10kV double-winding split transformer and a third three-phase 110kV / 10kV double-winding split transformer, wherein the 110kV high-voltage winding sides and low-voltage winding sides of the first three-phase 110 kV / 10 kV double-winding split transformer, the second three-phase 110kV / 10kV double-winding split transformer and the third three-phase 110kV / 10kV double-winding split transformer are respectively connected with a 110kV power distribution device part and a 10kV power distribution device part correspondingly. The capacity of the transformer substation is increased, and the electric energy requirement of a high-load-density region is met; and the structure hasthe characteristics of reducing engineering investment and ensuring safe and reliable operation of the substation.

The invention provides a vending machine, and relates to the technical field of vending machines. The vending machine comprises a machine cabinet, a cargo hopper and a plurality of cargo lanes, the cargo lanes are used for placing goods, and the cargo hopper is used for delivering the goods between the cargo lanes and cargo taking ports on the machine cabinet. First connection terminals are arranged on each cargo lane, and the first connection terminals are electrically connected with electrical members on the cargo lanes; a driving mechanism and a second connection terminal are arranged on the cargo hopper, and the second connection terminal is electrically connected with a power supply terminal on the cargo hopper; and when the cargo hopper is moved opposite to the corresponding cargo lane, the driving mechanism can drive the second connection terminal to be plugged or separated from the first connection terminals, so that the electrical members are powered on or off. The vending machine solves the problem that the structure is complex, the failure is prone to occurring and the maintenance is inconvenient due to circuit mechanisms arranged on the multiple cargo lanes in the priorart; and the problem that the actual demand can not be met due to the fact that the circuit mechanisms are not arranged on each cargo lane is solved.

A waste heat utilization projector heat dissipation system based on thermoelectric conversion comprises a projector bulb, a direct current fan, a first thermoelectric conversion material, a second thermoelectric conversion material and a third thermoelectric conversion material, wherein the hot end of the first thermoelectric conversion material, the hot end of the second thermoelectric conversion material and the hot end of the third thermoelectric conversion material are connected to the upper surface of the projector bulb, the rear surface of the projector bulb and the lower surface of the projector bulb respectively, the direct current fan is arranged on the left side of the projector bulb, and the electric energy generated by the first thermoelectric conversion material, the second thermoelectric conversion material and the third thermoelectric conversion material is conveyed to the direction current fan through wires. The waste heat utilization projector heat dissipation system based on thermoelectric conversion is reasonable in design, simple in structure, and capable of guaranteeing electric supply of the heat dissipation system of the projector bulb and protection of the projector bulb under the condition of improper manual operation.

A novel solar hand lamp comprises a lamp body, a turning cover, a base and a battery box, wherein the turning cover is mounted at the top end of the lamp body, the base is mounted at the bottom end of the lamp body, the battery box is mounted at the bottom end of the base, a handle is mounted on two sides of the turning cover, stainless steel supports are mounted on the periphery of the outer part of the lamp body, a transparent lampshade is mounted on inner sides of the stainless steel supports, an illumination lamp is mounted inside the transparent lampshade, an insect killing lamp is mounted on the left side of the base, a manual power generation rod is mounted on the right side of the base, a storage battery and a power storage module are mounted inside the base, and USB interfaces, a control panel and a charging port are sequentially mounted at the upper end of the front side of the base from left to right. The lamp has multiple power supply modes such as a solar power supply mode, a mains power supply mode, a dry battery power supply mode and a manual power generation mode, and charging is not limited; besides, free dimming can be realized, and different requirements of people are met; the USB interfaces are arranged, and the lamp has functions of a mobile power supply, a field guide and insect killing and has the advantages that the lamp is efficient, energy-saving, rich in function and convenient to operate.

The invention discloses a multifunctional mechanical engineering work vehicle comprising a vehicle body. A crushing device, a dust collection device, and a solar cell device used for providing power supply are mounted on the vehicle body. The vehicle body is equipped with a wheel driving mechanism which is powered by the solar cell device. As the crushing device and the dust collection device are arranged, a crushing function and a dust collection function are both achieved. The wheel mechanism which can be driven independently to run is arranged, the wheel mechanism is equipped with a damping elastic device and is applicable to different grounds, and the dependence on the field road environment is reduced.

The invention discloses a double-sided solar power generation street lamp. The double-sided solar power generation street lamp is characterized by comprising a base (1), a lamp post (3) arranged on the base (1), a lamp pole (4) arranged on the lamp post (3), a lamp cap (5) with a light source and arranged on the lamp pole (4), and a double-sided solar power generation device arranged on the lamp post (3), wherein the double-sided solar power generation device comprises a support (7) arranged on the lamp post (3), a double-sided solar power generation structure arranged on the support (7), anda reflecting plate (6) arranged on the support (7) and positioned below the double-sided solar power generation structure; and a storage battery (2) in electric connection with each of the double-sided solar power generation structure and the light source is further arranged on the base (1). The double-sided solar power generation street lamp has the benefits as follows: not only is the structuresimple, but also the cost is low, the solar energy is utilized more efficiently by adopting the double-sided solar power generation device, the electric energy requirements of the street lamp are met,and the popularization and application are facilitated.

The invention relates to a wireless heterogeneous network-based pricing system and method of a mobile charging station (MCS). The system includes a signal sensor unit, a wireless vehicular communication unite (WVCU), a traffic information collection unite, a data collection unit, a wireless heterogeneous network unit, a data processing unit, a wireless communication unit of the mobile charging station, a mobile charging station decision unit, an interface display unit and a feedback unit module. Firstly, user types are divided according to valid information such as battery life, demand power amounts, locations and the like of electric-vehicle users; then wireless heterogeneous network information transmission technology is adopted to realize data sharing under merging and considering two situations of complete information and incomplete information of the electric-vehicle users, lastly the mobile charging station decision unit is connected to calculate and obtain best contract decision schemes; and finally, a closed-loop system is formed through the interface display unit, the feedback unit module and the wireless heterogeneous network unit, and a power price strategy and method of the mobile charging station are precise.

The invention, which belongs to the technical field, discloses an energy conversion device and energy conversion system of a bituminous pavement. The bituminous pavement structure is formed by a pavement upper surface layer and a pavement middle and lower surface layer. The device comprises a first aluminum sheet arranged at the lower surface of the pavement upper surface layer, a second aluminum sheet arranged at the upper surface of the pavement middle and lower surface layer, a first emulsified asphalt film coating the lower surface of the first aluminum sheet, a second emulsified asphalt film coating the upper surface of the second aluminum sheet, a thermoelectric conversion element arranged between the first emulsified asphalt film and the second emulsified asphalt film, a positive electrode arranged on the first aluminum sheet, and a negative electrode arranged on the second aluminum sheet, wherein the upper surface and the lower surface of the thermoelectric conversion element are coated with a thermal-conducting silicone grease coating layer. On the premise that applicable durable and comfortable performances of the bituminous pavement are not affected, energy conversion, collection, storage, and utilization are realized by using the thermal energy accumulated in the bituminous pavement.

The invention discloses a power transmission line energy taking device with an equivalent impedance adjusting function and an application method thereof. The power transmission line energy taking device with the equivalent impedance adjusting function comprises a damping branch and an energy taking branch, and the damping branch and the energy taking branch are connected through a drainage wire; the damping branch comprises an open-air-gap damping magnetic core, a matching capacitor C, an adjustable resistor Rc and a bypass resistor RS, the open-air-gap damping magnetic core sleeves the power transmission line, a secondary winding is wound on the open-air-gap damping magnetic core, the matching capacitor C and the adjustable resistor Rc are connected in series to the secondary winding, and the matching capacitor C is coupled to the primary side of the open-air-gap damping magnetic core through the secondary winding. The air gap damping magnetic core, the secondary winding, the matching capacitor C and the adjustable resistor Rc form a resonant circuit, and the bypass resistor RS is connected with the secondary side of the air gap damping magnetic core in parallel. The device can achieve maximum power output, is suitable for different bus currents, is simple in structure, and can rapidly adjust equivalent impedance in real time.