522results about How to "Power stability" patented technology

Disclosed is a wind and solar hybrid power system based on an ultra-capacitor battery hybrid system, which includes a DC/DC buck converter (20), an AC/DC converter (30), an ultra-capacitor assembly (40), a DC/AC converter (50), a battery assembly (60), a battery charge circuit (700), a photovoltaic array (70), a wind generator (80) and an oil engine/commercial power interface (90). The photovoltaic array (70) is connected with the ultra-capacitor assembly (40) through the DC/DC buck converter (20); the wind generator (80) and the oil engine/commercial power interface (90) are connected with the ultra-capacitor assembly (40) through the AC/DC converter (30); the ultra-capacitor assembly (40) charges the battery assembly (60) through the battery charge circuit (700); the ultra-capacitor assembly and the battery assembly provides a definite power buffering to the system so that to maintain a stable voltage of the power supply. The wind and solar hybrid power system of the invention can provides uninterrupted power to the telecommunication system and resident living in the undeveloped areas where the power distribution network can not reach.

The present invention provides a solar cell that can be utilized as a stable electric power source for cloudy weather. An output voltage V1 of the solar cell 1 is lowered by a DC-DC converter 5. When a battery V2 is charged with an output of the converter 5, the converter 5 is stopped and the power of only the battery V2 is supplied to a low-voltage inverter circuit 6. The electric power supplied from the converter 5 is increased by boosting the output voltage of the converter 5 as well as starting to supply electric power from the battery V2. While the electric power of the converter 5 is increased, the performance of the solar cell 1 is judged. When the performance is decreased, the output voltage from the converter 5 is lowered and the amount of electric power supplied from the battery 2 is increased relatively.

A solar cell and photovoltaic power generation apparatus including a transparent electrically conductive film, a semiconductor provided on the transparent electrically conductive film, a conductive film opposing the semiconductor, and an electrolyte solution filled between the semiconductor and the conductive film. Metal ions, such as silver ions, may be dissolved in the electrolyte solution. When light is incident on the cell, the metal ions cause an oxidation-reduction reaction in the electrolyte solution and the cell is charged. When the open-circuit voltage decreases because the amount of incident light drops or light is blocked, the cell discharges to function as a secondary cell.

A wireless power supply system for lighting includes: a power transmission unit including a power transmission coil; and a power reception unit including a power reception coil. The power transmission coil generates an AC magnetic field in response to a supplied AC power. The power reception coil receives an electric power from the power transmission unit through an electromagnetic induction due to the AC magnetic field generated by the power transmission coil. The power reception unit further includes a power circuit and a receive-side control section. The power circuit receives an output power from the power reception coil and to perform Buck-Boost operation so as to output a predetermined electric power to a lighting load. The receive-side control section controls the Buck-Boost operation of the power circuit. The power circuit is configured to be capable of boosting and stepping-down of the output power from said power reception coil.

The invention discloses an LED lamp device which comprises lamp holder portion fixedly installed onto the wall and a bulb holder portion fittingly connected with the lamp holder portion. Inserting slots with opening ends of each facing to the right are correspondingly arranged in the upper and lower portions of the lamp holder portion, a first slide push groove is arranged between the two inserting slots in a communicated manner, first slide rods are movably and correspondingly mounted in the upper and lower portions of the slide push groove, second conduction pieces are fixedly installed at one ends of the first slide rods and facing to the inserting slots, first oblique butt surfaces are arranged at one ends of the first slide rods and away from the inserting slots, a slide push cavity is arranged in left ends of the inserting slots, a second slide push groove extending bilaterally is further arranged between the inserting slots, the left end of the second slide push groove is communicated with slide push cavity while the right end penetrates the first slide push groove, installing grooves are further correspondingly arranged in upper and lower portions of the right end wall of the first slide push groove, second conduction pieces fixed with the first slide rods and electrically connected with the second conduction pieces are movable installed in the slide push cavity, and power supply pins connected with a Mains supply is fixedly installed in the slide push cavity and away from the end wall of a second slide push grooves.

The description relates to a rectenna solar-battery hybrid panels that not only receive electric power transmitted by microwaves after the electric energy has been generated from sunlight, but also gain sunlight energy on the open faces of the panels, and to hybrid solar photovoltaic generation systems. In the rectenna solar-battery hybrid panel, a plurality of solar battery cells for receiving sunlight and converting the sunlight into electricity and a plurality of microwave receiving antenna elements for receiving microwaves transmitted through space are provided. dc electric power is obtained from microwave power, having been received by the microwave receiving antenna elements, being rectified by a rectifying circuit. Stable electric power can be obtained from the output of the solar battery cells and the rectifying circuit.

The invention discloses an electric vehicle charging device. The device comprises a charging pile body and a charging gun head which penetrates into the charging pile body and is connected with the charging pile body in a matched mode. A bottom plate is fixedly arranged at the bottom of the charging pile body, a countersunk groove with a downward opening is formed in the bottom of the bottom plate, and a counterweight iron block is detachably arranged in the countersunk groove; a clamping groove with a forward opening is formed in the charging pile body, and a penetrating groove communicated with the clamping groove is formed in the rear end of the clamping groove; a charging cavity communicated with the penetrating groove is formed in the rear end of the penetrating groove; control grooves communicated with the penetration groove are symmetrically formed in the positions, on the left side and the right side of the charging cavity, of the charging pile body; fastening devices used for fastening the charging cavity are symmetrically arranged on the positions, on the left side and the right side of the charging cavity, in the charging pile body. The device is simple in overall structure, power supply is safe and stable, overall operation is safe and reliable, electric shock accidents in existing life are effectively reduced, and the device is suitable for application and popularization.

The invention discloses an embedded type wall power supply inserting-connecting socket assembly. The embedded type wall power supply inserting-connecting socket assembly comprises an inserting-connecting socket fixedly mounted in the wall and an inserting-connecting plug connected with electrical equipment; a hollow groove with a rightward opening is formed in the inserting-connecting socket; inserting-connecting grooves which extend left and right and are symmetrical up and down, and a transverse sliding groove positioned between the two inserting-connecting grooves are formed in the left end wall of the hollow groove; a longitudinal sliding groove which runs through the inserting-connecting grooves and the transverse sliding groove is formed in the inserting-connecting socket; a telescopic groove is also formed between the transverse sliding groove and the inserting-connecting grooves; a sliding block which can slide left and right is mounted in the transverse sliding groove; a through groove which runs through up and down is formed in the left end of the sliding block; a first acting inclined plane which is symmetrical up and down is on the left end plane of the sliding block; a telescopic arm is glidingly mounted in the telescopic groove; a power supply sheet connected with the mains supply is fixedly arranged on the end plane, far from the transverse sliding groove, of the telescopic arm; a first extruding-pushing inclined plane matched with the first acting inclined plane is arranged on the end plane, towards the transverse sliding groove, of the telescopic arm; and sliding arms which are symmetrical up and down are glidingly mounted in the longitudinal sliding groove.

The invention provides a photovoltaic drive solar air collector which comprises a collector cavity and a collecting plate arranged in the collector cavity, wherein the collector cavity is also internally provided with a solar photovoltaic plate, an S-shaped air channel, a wind guide plate and a partition plate; the wind guide plate divides the collector cavity into a front cavity and a back cavity, the partition plate is arranged in the back cavity and divides the back cavity into a back upper cavity and a back lower cavity, the solar photovoltaic plate and the collecting plate are connected together and the solar photovoltaic plate is arranged above the collecting plate, meanwhile, the solar photovoltaic plate and the collecting plate are arranged in the front cavity and divide the front cavity into a sunny cavity and a shaded cavity, and the S-shaped air channel is arranged in the shaded cavity. The collector has the advantages of complete heat exchange, good heat exchange effect, high heat utilization, low use cost and high economy.

The invention discloses an electric appliance electrifying assembly. The electric appliance electrifying assembly comprises an inserting-connecting socket fixedly mounted in a wall body and an inserting-connecting plug connected with an electric appliance; inserting-connecting grooves are symmetrically formed in the inserting-connecting socket front and back; a telescopic groove is formed in the left end wall of the inserting-connecting socket; a power supply column is glidingly mounted in the telescopic groove; a first sliding groove which runs through the inserting-connecting groove is also formed in the inserting-connecting socket; a second sliding groove which extends up and down and is positioned in the left side of the first sliding groove is formed in the inserting-connecting socket; a first through groove is formed between the first sliding groove and the second sliding groove; a second through groove is formed between the second sliding groove and the inserting-connecting groove; a first sliding block which can slide up and down is mounted in the first sliding groove; a second sliding block which can slide up and down is mounted in the second sliding groove; racks are arranged on both of the inner side end planes of the first sliding block and the second sliding block respectively; a rotational gear is rotationally mounted in the first through groove, and the rotational gear extends into the first sliding groove and the second sliding groove to be connected with the racks in a matching manner; and a partition plate is glidingly mounted in the second through groove.

The closed-type combined cooling and power energy storage system provided by the present invention includes: an energy storage unit, a heat recovery unit and an energy release unit, the energy storage unit includes an air bag, a compressor unit, and an air storage tank; the heat recovery unit includes All levels of compressor interstage coolers, cold oil tanks, hot oil tanks, and turboexpander interstage regenerators at all levels; the energy release unit includes speed control valves, turboexpander units, reducers, generators, grid-connected Control cabinet and cold air air conditioner, the whole system is a closed cycle system, which does not require external air supply, which reduces the process of air drying and purification, equipment investment and energy consumption, and simultaneously outputs cooling capacity to the outside, making full use of the cooling capacity of the exhausted air after expansion. Exergy realizes combined cooling and power supply, improves the efficiency of the system, and realizes the conversion of unstable and intermittent wind energy into stable electrical energy and cooling output.

The invention discloses an automatic power supply inserting-connecting apparatus. The automatic power supply inserting-connecting apparatus comprises a power supply part and a plug part inserted intothe power supply part to be matched and connected therewith; a clamping groove with a forward opening is formed in the power supply part; a slot connected with the clamping groove is formed in the back end wall of the clamping groove; a power supply groove connected with the slot is formed in the back end wall of the slot; operating grooves connected with the slot are symmetrically formed in the power supply part on the left and right sides of the power supply groove; sealing apparatuses for sealing the power supply groove are also symmetrically arranged in the power supply part on the left and right sides of the power supply groove; a sliding groove is also formed in the power supply part; and a sleeve groove which extends backwardly is also formed in the middle position of the back end wall of the sliding groove. The automatic power supply inserting-connecting apparatus is simple in the overall structure, safe and stable in power supply, safe and reliable in overall operation, capable of effectively lowering electric shock accidents in the existing life and ensuring child life security in a family, and suitable for popularization and use.

The invention discloses a power supply safety transmission device, which comprises a power base fixedly installed in a wall and a conductive head matched with the power base, slots are arranged symmetrically up and down in the power base, and A sliding cavity connecting the two slots is provided between the two slots. A sliding body is installed in the sliding cavity to slide left and right. Facing the first sliding groove of the slot, a sliding iron block is slidably installed in the first sliding groove, and a power supply block connected to the mains is arranged symmetrically up and down in the left end wall of the sliding cavity, and the power supply block is set There is an opening facing the power supply port of the sliding cavity, a conductive block matching with the power supply port is symmetrically installed on the left end surface of the sliding body, and an elastic output is fixedly arranged on the end surface of the slot away from the sliding cavity. Conductive head.

The invention relates to robot equipment which comprises an electric connecting frame and an electric plug part which is connected with the robot. The left position on the upper end surface and the lower end surface of the electric connecting frame is provided with a board which is fixedly mounted. The board is provided with a hole trough which is through in a left-and-right direction. The electric connecting frame is internally provided with a fastening trough. Rotating cylinders which are symmetrically arranged in the vertical direction are rotatably arranged in the fastening trough. A firsttooth-shaped gear is fixedly mounted on the rotating cylinder. A middle tooth-shaped gear which matches the first tooth-shaped gear is rotatably mounted at the middle position of the fastening troughthrough a steering shaft. The left side of the fastening trough in the electric connecting frame is provided with a sliding chamber which extends in the left-and-right direction. A sliding block which can slide in the left-and-right direction is mounted in the sliding chamber. A screw is mounted in the sliding block in a fitting manner.

The invention discloses a combined dispatching method of wind, light and water storage, which comprises the following steps: 1, establishing an economic optimal objective function of the combined system of wind, light and water storage; 2, establishing that constraint conditions of the wind-light-water-storage combine system; 3, obtaining the optimal solution set of the optimized operation; A complementary output system is established, and a model is proposed to optimize the operation cost of the system. The complementary system can effectively compensate the fluctuation of new energy output,provide more stable electric power to the grid, improve the utilization rate of new energy, reduce the output adjustment of thermal power units, reduce the operating cost of the system, and provide aneffective way to solve the problem of wind, solar and water storage dispatching. The invention solves the problem that the power grid of the prior art is not strong in absorbing new energy.

The invention discloses a nested tidal current generating set of an air guide sleeve paddle-changing horizontal shaft, and belongs to the field of ocean regenerative energy development. The generating set is composed of an outer air guide sleeve, an air guide sleeve support, an inner air guide sleeve, a main shaft, a main shaft bearing, a hub, a blade, a paddle-changing bearing, a paddle-changinggear, a paddle-changing rack, a paddle-changing motor, a storage battery, a generator, a gear box and seal; and the outer air guide sleeve and the inner air guide sleeve form the nested air guide sleeve, the roof of the blade realizes the blade paddle-changing through the paddle-changing motor. The nested tidal current generating set provided by the invention has the advantages that the blade neighbouring tide flow velocity is greatly improved through the nested air guide sleeve, a paddle-changing mechanism causes a horizontal shaft to be adapted to reversing current, the efficiency is obvious high, thereby having self-starting ability at different flow rates; a complete machine structure is concise, the electrical energy output is stable, thereby having cleanness and no pollution.

The invention discloses a charging type safe electric gate which comprises a gate body and a machine head. A control device and a motor are arranged in a machine head box body. The motor is connected with walking wheels at the bottom of the machine head box body through a transmission mechanism in a driving mode. The control device is connected with the motor in a controlling mode. The charging type safe electric gate is characterized in that a charging pile is further included, the motor is a direct-current motor, the control device is connected with a storage battery, power receiving components connected with two electrodes of the storage battery are arranged on the machine head box body, a charging circuit externally connected with electric supply is arranged in the charging pile, and the charging circuit is provided with a power sending component corresponding to a power receiving end of the machine head box body. The charging type safe electric gate is simple in structure and convenient to use, and gate electric leakage accidents can be avoided.

The invention discloses an impeller-directly-driven wind-driven generator. The wind-driven generator comprises a fan impeller, hydraulic cylinders, a cam turntable, a high-pressure oil circuit, a low-pressure oil circuit, a main frame, a tower tube, an oil tank, energy accumulators, a high-speed hydraulic motor and a generator, wherein pistons of the hydraulic cylinders are in contact with the cam turntable, the high-pressure oil circuit is connected with the hydraulic cylinders and the energy accumulators, the low-pressure oil circuit is connected with the hydraulic cylinders and the oil tank, the energy accumulators are connected with the high-speed hydraulic motor, the oil tank is connected with the high-speed hydraulic motor, and the high-speed hydraulic motor is connected with the generator. The impeller-directly-driven wind-driven generator has the advantages that the difficulties in the prior art are overcome by using a hydraulic transmission technology; firstly, unstable wind energy is converted into a stable revolving speed, which is required by a power-frequency generator, through hydraulic-volume speed regulating, so that constant-frequency control for the generator is effectively realized; secondly, hydraulic transmission is flexible power transmission, thus, a power generation system can be flexible in layout and convenient in mounting, the optimal allocation of resources and the extension of product function adjustment are facilitated, multi-aspect control can be further carried out, and then, stable system pressure and continuous power generation are realized.

The invention provides a safety plugging-connection mechanism for electrical appliance energization. The safety plugging-connection mechanism comprises a plugging-connection seat and a plugging-connection head; a sliding-connection cavity is defined in the plugging-connection seat; plugging-connection grooves which are communicated with the outside and are distributed symmetrically in a vertical direction are formed in the right end surface of the sliding-connection cavity; a sliding-connection frame is mounted in the sliding-connection cavity in a leftward-and rightward-slideable manner; through grooves which extend in a left-and-right direction and are distributed symmetrically in a vertical direction are formed in the sliding-connection frame; a threaded rod is mounted in the sliding-connection frame through screw-thread fit; the right end of the threaded rod is rotatably installed in the right end wall of the sliding-connection cavity; the left end of the threaded rod is in matchedconnection with a motor fixedly installed in the left end wall of the sliding-connection cavity; first grooves which are symmetrically arranged in a vertical direction are formed in the left end wallof the sliding-connection cavity; power supply blocks connected with mains supply are fixedly mounted in the first grooves; plugging-connection openings facing the sliding-connection frame are formedin the power supply blocks; conductive blocks which are matched with the plugging-connection openings and are symmetrically distributed in a vertical direction are arranged on the left end surface ofthe sliding-connection frame; elastic conductive blocks are fixedly mounted in the inner side end walls of the plugging-connection grooves; second grooves are formed in the outer side end surfaces ofthe through grooves; and contact switches connected with the motor are mounted in the second grooves.

The invention provides an automatic power control system of an electric furnace, comprising a depth detection device, a current and voltage detection device, a storage device, an elevating device, and a control device, wherein the storage device is used for storing a preset expert reasoning table and a resistance set value, the elevating device is used for controlling insertion depth of three electrodes into the electric furnace, and the controlling device is used for calculating the current resistance valve of each electrode according to the current value and the current voltage value of each electrode, searching the preset expert reasoning table according to the current resistance value of each electrode and the resistance set value so as to confirm the adjustment range values of the three electrodes, and controlling the elevating device to adjust the insertion depths of the three electrodes into the electric furnace according to the current depth values and the adjustment range values of the three electrodes. Aiming at the characteristics of nonlinearity, time invariance and multivariable coupling of an electric furnace controlled object, the invention effectively solves the problems of complicated modeling and difficult control of the electric furnace object through integrating excellent field operation experience into algorithms via the design to an expert rule and a reasoning mechanism.

A double charged battery supply device for communication terminals power detection end of 1, the input end of 2 are connected with the input end of 4 and connected with the positive output end of 8, the first signal output end of 1 is connected with the control signal input end of 2, the second signal output end of 1 is connected with the control signal input end of 4, the input end of the first voltage detection input end of 1, output end of 2, the input of 3 are connected with the positive of 6, the second voltage test input end of 1, the output of 4, input of 5 are connected with the positive of 7, the negative of 6, 7 are linked to the earth, the output of the first control signal is connected with the input of 3, the second output end of 1 is linked to the input of 5, the output of 3 with output of 5, the earth ends of 2 and 3 are connected with the negative end of 6, and those of 4 and 5 are connected with the negative of 7.