40results about How to "Meet electricity needs" patented technology

The invention discloses automatically-registrated plug and socket comprising a plug body and a socket body as well as permanent magnets A matched with the electrodes I, wherein the end part of the plug body is provided with two electrodes I, synonyms electrodes of the permanet magnets A corresponding to the electrodes I are set as synonyms poles, a single round hole is formed on the socket body and is an imbedding hole for the plug body, the bottom of the single round hole is provided with two electrodes II, permanent magnets B matched with the electrodes II, and the synonyms electrodes of the permanet magnets B corresponding to the electrodes II are set synonyms poles. When the plug is close to the single round hole of the socket, the plug and the socket are guided to be in butt joint by virtue of mutual repulsion or attraction of poles so as to complete automatic registration and contact of electrodes. Registration refers to registration of the plug and the socket hole as well as the registration of the electrodes of the plug and the socket. The automatically-registrated plug and socket can be widely applicable to AC power supply coupling of household appliances, thus facilitating use of household appliances for customers and having a good market prospect.

The invention discloses a novel solar letter box including a letter box body and a solar generation device, the letter box body includes a display screen and a letter inlet, the solar generation device is fixed at the upper part of the letter box body, the solar generation device includes a frame body and angle modulation devices arranged at the top of the frame body and arranged in left-right correspondence, the frame body is arranged at the upper part in the letter box body, the angle modulation devices extend out of the upper surface of the letter box body, each angle modulation device includes a pole arranged at the left side, a moving column arranged at the right side, and a solar panel arranged between the pole and the moving column, horizontally extending guiding cavities are arranged in the frame body in a left-right correspondence manner, and a channel extending along the left and right sides of the top of the guiding cavity penetrates through the top of each guiding cavity. The novel solar letter box is simple in structure, meets the letter box power consumption need through solar generation, reduces the equipment investment input, reduces the manufacturing and maintenance costs.

The invention discloses a monomer overlarge-capacity polymer lithium ion battery and a manufacturing method thereof. The manufacturing method of the polymer lithium ion battery comprises the steps of alternatively laminating positive pole plates and negative pole plates at intervals, arranging partition pieces, which are used for partitioning the positive pole plates and the negative pole plates laminated adjacent to each other, between the positive pole plates and the negative pole plates, connecting a total positive tab in parallel with the positive pole plates, connecting a total negative tab in parallel with the negative pole plates to obtain a battery cell; and performing film package, liquid injection, vacuum pumping, formation, aging and grading on an outer surface of the battery. By the manufacturing method, the monomer capacity of the polymer lithium ion battery is improved.

The invention provides a charging station. The charging station comprises a substrate, a power distributing unit, a charging unit and a monitoring unit, wherein the power distributing unit is detachably arranged on the substrate, the charging unit is detachably arranged on the substrate, the power distributing unit is electrically connected with the charging unit and distributing electric energy to the charging unit, and the monitoring unit is detachably arranged on the substrate and electrically connected with the power distributing unit and the charging unit to detect the operating parameters of the power distributing unit and the charging unit. The charging station is short in construction cycle and low in construction cost.

Disclosed is an intelligent internet convergence media broadcast exhibition machine; the intelligent internet convergence media broadcast exhibition machine comprises an internet convergence media broadcast exhibition machine body, a switching power supply, solar panels, a time control switch, a storage battery, a power inverter, a conversion relay and a micro electro-acoustic conversion device, and also comprises a driving mechanism and light control circuits, wherein one solar panel is arranged at the upper end of the shell of the convergence media broadcast exhibition machine body, and theother two solar panels are hinged to the left side end and the right side end of the shell respectively; the photoelectric switches of the two sets of the light control circuits are arranged at the lower parts of the left side and the right side of the shell respectively, and motor speed reducing mechanisms of the driving mechanism are installed in two grooves of the shell; permanent magnets are arranged on the inner sides of the lower ends of the second solar panel and the third solar panel and the middle of the upper end of the outer side of the second solar panel respectively; reed pipes are arranged on the left end of the back side and the middle of the left end of the upper side of the shell respectively; and the switch power supply, the time control switch, the power inverter, the conversion relay, the micro electro-acoustic conversion device and the rest of the light control circuits, and the storage battery are arranged in the shell of the convergence media broadcast exhibitionmachine body and are connected with the shell through wires.

The invention discloses a power system economic dispatching method and relates to the technical field of power systems to solve the problem of economic dispatching of a power system merged into a renewable energy power station. The power system economic dispatching method comprises the steps of acquiring a network structure and network parameters of the power system, generated output corresponding to a traditional energy power generator in the power system and power generator parameters, power generated output corresponding to a renewable energy power generator in the power system and power generator parameters, a load model and load parameters of loads in the power system, power transmission power of a power transmission branch in the power system and power transmission branch parameters and an energy storage model of an energy storage device in the power system and energy storage equipment parameters; establishing an initial economic dispatching model of the power system; establishing an optimal dispatching model of the power system, wherein the renewable energy abandoning quantity in the power system is within a preset tolerance range, and power generated by the renewable energy power generator is not used for energy storing; an economic dispatching result with the minimal comprehensive cost is calculated.

The invention discloses an active battery. The active battery comprises a cylindrical insulating casing, an external connection plug and a power conversion device, wherein a metal cap serving as a positive pole of a power supply is arranged at the top end of the cylindrical insulating casing; the power conversion device is mounted in the cylindrical insulating casing through a circuit board; a power socket is formed in the cylindrical insulating casing, is electrically connected with an input end of the power conversion device, and is matched with the external connection plug in use; the output voltage of an output end of the power conversion device is direct-current voltage ranging from 1.5V to 6V. The power conversion device is mounted in the cylindrical insulating casing simulating the structure of a casing of a dry battery to convert 220-V alternating-current commercial power into stable low-voltage direct-current voltage, is used for supplying power to small household appliances and can replace a traditional chemical dry battery in a certain range. The active battery has the characteristics of no need of replacement of the battery, energy conservation and environmental protection, and is especially applicable to the small household appliances such as radios, gas stoves, electronic clocks, calculators and the like which are placed relatively fixedly or are seldom moved.

The invention relates to a commercial power solar charging module sharing system, belongs to the technical field of power sharing and is to solve the problem of great influence on users during power failure of a power grid in the prior art. The system comprises power storage equipment, solar power generation equipment and a data summarizing and processing module. According to the invention, the electricity demand of the user and the power supply quantity of the user can be determined according to historical electricity data and power generation data of the user, so that a state grid company can determine when to cut off the power according to the electricity demand of the user and the power supply quantity of the user to cause less influence on the production and life of the users.

The invention provides an electricity generation device which comprises a floating cabin, an upper fixed sliding ratchet wheel, an upper mooring rope and a gravity hammer. The upper fixed sliding ratchet wheel is higher than the floating cabin and the gravity hammer. One end of the upper mooring rope is connected with the upper end of the floating cabin. The other end of the upper mooring rope winds around the upper fixed sliding ratchet wheel to be connected with the gravity hammer. The floating cabin is arranged on the water surface. The mass of the floating cabin is larger than that of the gravity hammer. The upper fixed sliding ratchet wheel is connected with a first electricity generator through a first acceleration transformer, and an output shaft of the first acceleration transformer is coaxial with a rotor shaft of the first electricity generator. The electricity generation device has the advantages of being low in investment, easy to build, good in wind resistance, good in environmental adaptability, high in economic benefit, long in service life and capable of meeting electricity consumption requirement to the highest possible, being the optimal technology for converting wave energy into electric energy, and being the green and environment-friendly new energy renewing technology.

The invention discloses an unpowered loopback auxiliary power supply and self-walking device for locomotives. The device comprises two schemes; in the first scheme, the device comprises a boosting type DC / DC module, a bucking type DC / DC module, a single-phase inverter module, a three-phase inverter module, a traction inverter module and a controller; and in the second scheme, the device comprisesa bidirectional DC / DC primary module, a bidirectional DC / DC secondary module, a single-phase inverter module, a three-phase inverter module, a traction inverter module and a controller. According to the device, a traction motor can be controlled to carry out regenerative braking when being dragged to run, so as to generate power and generate a certain life power supply capacity, so that the operators can watch over on locomotives confidently and securely so as to smoothly complete the locomotive repair / loopback tasks; and DC400V or higher high-power DC power supply can be provided outside thelocomotives to realize shunting operations under speed limiting requirements.

The invention discloses automatically-registrated plug and socket comprising a plug body and a socket body as well as permanent magnets A matched with the electrodes I, wherein the end part of the plug body is provided with two electrodes I, synonyms electrodes of the permanet magnets A corresponding to the electrodes I are set as synonyms poles, a single round hole is formed on the socket body and is an imbedding hole for the plug body, the bottom of the single round hole is provided with two electrodes II, permanent magnets B matched with the electrodes II, and the synonyms electrodes of the permanet magnets B corresponding to the electrodes II are set synonyms poles. When the plug is close to the single round hole of the socket, the plug and the socket are guided to be in butt joint by virtue of mutual repulsion or attraction of poles so as to complete automatic registration and contact of electrodes. Registration refers to registration of the plug and the socket hole as well as the registration of the electrodes of the plug and the socket. The automatically-registrated plug and socket can be widely applicable to AC power supply coupling of household appliances, thus facilitating use of household appliances for customers and having a good market prospect.

The invention discloses a single-phase-to-three-phase power supply system based on a three-phase YNd transformer. The system comprises a power transmission line, an isolation transformer, a power converter and a three-phase YNd transformer. The power transmission line is connected to a terminal P at the input end of the isolation transformer and a terminal A of a star-shaped winding of the three-phase YNd transformer. A terminal M and a terminal N at the output end of the isolation transformer are respectively connected with a terminal R and a terminal S at the input end of the power converter. A terminal B and a terminal C of the star-shaped winding of the three-phase YNd transformer are respectively connected with a terminal J and a terminal K at the output end of the power converter. Aterminal a, a terminal b and a terminal c of a triangular winding of the three-phase YNd transformer are connected with a low-voltage power distribution network with a grounded neutral point. A terminal Q of the isolation transformer and a terminal O at the center of the star-shaped winding of the three-phase YNd transformer are grounded. Therefore, single-phase power can be supplied to load operation needing three-phase power, and the system can be widely applicable to power distribution system transformation and fault repair.

This invention relates an integrated unit for electric generation, charging and electric motor. The axle of rotor of mini-generator is connected with rotating part such as axle shaft (of a bicycle), with which rotating together to generate electricity, then being charged to an accumulator. The bicycle carried jack jacking the bicycle up, the wheel rotates to generate electricity, then charging the integrated unit. The electricity from accumulator can drive electricity generator for use as electric motor. This invention unit can be used for outdoor life, field work. Advantages are: convenient to be carried, clean and of environmental protection.

The invention discloses an air cooling system for a helicopter. The air cooling system comprises a fan (1), wherein the shaft of the fan (1) is in belt connection with an engine output end (2), and the engine output end (2) rotates to drive the fan (1) to rotate. The air cooling system is suitable for being installed in a narrow space in an unmanned aerial vehicle, the structure is compact, the shape of the unmanned aerial vehicle does not need to be changed, and the air cooling system can adapt to engine cooling requirements of unmanned aerial vehicles of various models.

The invention discloses an improved solar letter box. The improved solar letter box comprises a letter box body and a solar generation device, wherein the letter box body comprises a display screen and a letter feeding hole; the solar generation device is fixedly arranged at the upper part of the letter box body and comprises a frame body and angle adjusting devices, the angle adjusting devices are correspondingly arranged on the left and right sides of the top of the frame body, the frame body is arranged at the upper part in the letter box body, and the angle adjusting devices stretch out ofthe upper surface of the letter box body; each angle adjusting device comprises a support pillar, a movable pillar and a solar panel, the support pillar is arranged on the left side, the movable pillar is arranged on the right side, and the solar panel is arranged between the support pillar and the movable pillar; and guiding cavities which extend leftwards and rightwards are correspondingly formed in the left and right sides in the frame body, and a channel which extends to the left and right sides of the top of each guiding cavity is formed in the top of each guiding cavity in a penetrationmanner. The improved solar letter box is simple in structure, the electricity requirement of the letter box can be met in a solar power generation manner, the equipment investment is reduced, and themanufacturing cost and the maintenance cost are lowered.

The invention discloses a single-phase electricity-to-three-phase electricity conversion power supply device and a control method thereof, and belongs to the technical field of power grid power supplyand distribution. A power transmission line is connected to a terminal P at the input end of an isolation transformer, and a terminal Q at the input end of the isolation transformer is grounded or connected to a return line; a terminal M and a terminal N at the output end of the isolation transformer are respectively connected with a terminal R and a terminal S at the input end of a power converter in sequence; a terminal J1 and a terminal K3 at the output end of the power converter are jointly connected to the phase A of the triangular winding of a three-phase Dyn transformer, a terminal K1and a terminal J2 at the output end of the power converter are jointly connected to the C phase of the triangular winding of the three-phase Dyn transformer, and a terminal K2 and a terminal J3 at theoutput end of the power converter are jointly connected to the phase B of the triangular winding of the three-phase Dyn transformer; and a terminal a, a terminal b and a terminal c at the output endof the star-shaped winding of the three-phase Dyn transformer T are connected with a low-voltage power distribution network with a grounded neutral point.

The invention discloses a photovoltaic traffic light. The photovoltaic traffic light comprises a vertical rod and a traffic light installation rod; the traffic light installation rod is fixedly connected with the upper part of the vertical rod; the vertical rod is arranged at one side of a road; the traffic light installation rod extends to the other side of the road; the traffic light installation rod is provided with traffic signal lamps and a power generation assembly installation rod; the traffic signal lamps include a red lamp, a yellow lamp and a green lamp; and the power generation assembly installation rod is provided with a solar controller, a storage battery pack and photovoltaic assembly panels, wherein the solar controller is connected with the photovoltaic assembly panels and the storage battery pack, the photovoltaic assembly panels are obliquely connected with the vertical rod, two sets of photovoltaic assembly panels are provided, and the two sets of photovoltaic assembly panels are arranged at two sides of the vertical rod respectively and are symmetrical to each other relative to the vertical rod. The photovoltaic traffic light of the present invention is conducive to building a resource-saving and energy-saving society. The two sets of photovoltaic assembly panels are arranged at the two sides of the vertical rod respectively and are symmetrical to each other relative to the vertical rod, so that the structure of the photovoltaic traffic light is more stable; and generated output can be improved effectively and stabilized.

The invention discloses a single-phase to three-phase power supply system based on a Wood bridge connection transformer. The system comprises a power transmission line, a power converter and the Woodbridge connection transformer. The power transmission line is connected to a terminal A of a triangular winding of the Wood bridge connection transformer and a terminal P of the power converter; a terminal B of a triangular winding of the Wood bridge connection transformer is connected with a terminal M of the power converter, and a terminal a, a terminal b and a terminal c of a star-shaped winding of the Wood bridge connection transformer are connected with a low-voltage power distribution network with a grounded neutral point. Therefore, a single electric wire can be used for supplying loadoperation needing three-phase electric energy, and is widely applied to power distribution system transformation and fault first-aid repair.

The invention discloses a rainwater comprehensive utilization device with an electricity generating function. The rainwater comprehensive utilization device comprises a first collecting frame, a frame body device, an electricity generating device, an air cylinder device, a filter device, a shell body device, a heating device and a liquefying device. The first collecting frame is provided with a first through hole, first concentrating blocks, a second collecting frame, a second through hole, a first filter screen, first springs, a concentrating hopper, a first pipeline and a first valve. The frame body device comprises a frame body, a positioning block, a first support, a first fixing rod, a second concentrating block, a second pipeline and a second valve. The electricity generating device comprises a supporting frame, a movable plate, second springs, a pushing pin, a second support, a first roller, a first convex block, a third spring and a fourth spring. The air cylinder device comprises an air cylinder, a pushing rod, a third support, a second fixing rod and a third fixing rod. The filter device comprises a fourth support, a first connecting rod, a third collecting frame, a second filter screen, fifth springs and a sponge block. Rainwater can be utilized to generate electricity, so that the demand of people for the electricity is met.

The invention discloses a power supply system for converting single-phase electricity into three-phase power, and belongs to the technical field of power grid power supply and distribution. A terminalP at the input end of an isolation transformer IT is connected with a power transmission line LA, and a terminal Q is grounded; a terminal M and a terminal N at the output end of the isolation transformer IT are respectively connected with a terminal R and a terminal S at the input end of a corresponding power converter SC; the terminal A of the star-shaped winding of a three-phase transformer Tis connected with a power transmission line LA, the terminal C of the star-shaped winding of the three-phase transformer T is connected with a terminal J at the output end of the power converter SC, and the terminal B of the star-shaped winding of the three-phase transformer T is grounded, and is connected with the terminal Q of the isolation transformer IT through a return line LB; and the terminal a, the terminal b and the terminal c of the triangular winding of a three-phase transformer T are connected with a low-voltage power distribution network with a grounded neutral point.

The invention discloses a combined system for converting single-phase electricity into three-phase electricity, and relates to the technical field of power grid power supply and distribution. The terminal M and the terminal N of the output end of an isolation transformer IT are respectively connected with the terminal R and the terminal S of the input end of a three-port power supply converter SC;the terminal B of the star-shaped winding of a three-phase transformer T is connected with the terminal J2 of the output end of the three-port power supply converter SC, and the terminal C of the star-shaped winding of the three-phase transformer T is connected with the terminal J1 of the output end of the three-port power supply converter SC; the central point of the star-shaped winding of the three-phase transformer T is respectively connected with the terminal K1and the terminal K2 of the output end of the three-port power supply converter SC; and the terminal Q of the isolation transformer IT is connected with a return line LB, and the terminal a, the terminal b and the terminal c of the triangular winding of the three-phase transformer T are connected with a low-voltage power distribution network with a grounded neutral point.

The invention discloses an auxiliary voltage intelligent adjusting device for charging of an electric bus. The auxiliary voltage intelligent adjusting device comprises a shell, a voltage adjusting controller, a voltage adjusting output relay, an overcurrent protector, a pin socket and a man-machine interaction unit, the voltage adjusting controller, the voltage adjusting output relay, the overcurrent protector and the pin socket are arranged in the shell, the man-machine interaction unit is arranged on the exterior of the shell, and the voltage adjusting controller is connected with the voltage adjusting output relay and the pin socket. The voltage adjusting output relay is connected with the overcurrent protector and the pin socket, the overcurrent protector is connected with the pin socket, and the voltage adjusting controller is further connected with the man-machine interaction unit. The voltage adjusting controller adjusts the voltage of a charging pile from 12 V to 24 V to be transmitted to the voltage adjusting output relay, the voltage adjusting relay receives various control signals of the electric bus through the pin socket, and the overcurrent protector and the pin socket provide power with the voltage being 24 V for an electric bus controller, a power battery BMS and the like, and the electricity use requirement of the electric bus at the charging stage is effectively met.

The invention discloses a combined structure for converting single-phase electricity into three-phase electricity, and relates to the technical field of power grid power supply and distribution. Powertransmission lines are connected to the P terminal of the input end of an isolation transformer and the terminal a of the input end of a single-phase transformer, and the terminal Q of the input endof the isolation transformer is connected with the terminal k of the input end of the single-phase transformer; the terminal M and the terminal N of the output end of the isolation transformer are respectively connected with the terminal R and the terminal S of the input end of a three-port power converter sequentially; the terminal K of the output end of the single-phase transformer is connectedwith the terminal K1of the output end of the three-port power converter; and the phase A, the phase B and the phase C of a three-phase power are connected with a low-voltage power distribution networkwith a grounded neutral point.

The invention discloses an unpowered loopback auxiliary power supply and self-walking device for locomotives. The device comprises two schemes; in the first scheme, the device comprises a boosting type DC / DC module, a bucking type DC / DC module, a single-phase inverter module, a three-phase inverter module, a traction inverter module and a controller; and in the second scheme, the device comprisesa bidirectional DC / DC primary module, a bidirectional DC / DC secondary module, a single-phase inverter module, a three-phase inverter module, a traction inverter module and a controller. According to the device, a traction motor can be controlled to carry out regenerative braking when being dragged to run, so as to generate power and generate a certain life power supply capacity, so that the operators can watch over on locomotives confidently and securely so as to smoothly complete the locomotive repair / loopback tasks; and DC400V or higher high-power DC power supply can be provided outside thelocomotives to realize shunting operations under speed limiting requirements.

The invention belongs to the technical field of insect killing, and discloses a sun-tracking high-energy-collecting wind insect killer. The sun-tracking high-energy-collecting wind insect killer is provided with a photovoltaic panel which is installed at the top of an electric pole through a tracker; an LED insect-attracting lamp is installed on the top of a lantern; an electric power storage tank, a bracket and a slogan flag are installed on one side of the electric pole. The insect killer takes solar energy as the energy, the energy can be increased by 30% or above, electricity needs of street lamps and insect killing are met, and light time full-automatic control is achieved. Rain proofing, damp proofing, thunder prevention and freeze protection are achieved; a 12 V bi-color LED illuminates and attracts insects, the insects are killed by means of the omnibearing multifunction, all flying insects and mosquitoes and flies are killed, therefore, pesticide and mosquito-repellent incense are not used for insect killing any more, and human and livestock health are guaranteed.