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50results about How to "Meet electricity requirements" patented technology

Field portable multifunctional solar integrated power supply

The invention discloses a field portable multifunctional solar integrated power supply comprising a body, a lithium battery pack, a charging board and a DC/DC circuit conversion board, a front cover, a rear cover, battery doors, solar module, a panel component, an auxiliary tripod, an AC inverter, and a power pack. The lithium battery pack, the charging board and the DC/DC circuit conversion board are disposed within the body. The front cover and the rear cover are disposed on the left and right sides of the body. The battery doors are disposed outside the front and rear covers. The solar module is disposed within the front and rear covers. The panel component is disposed at the front end of the body. The panel component is composed of a panel, an LED light, a mains supply charging jack, a charging indicator light, an LCD (liquid crystal display) and a voltage output interface. During charging, a wedge below the body is inserted into a wedged groove of a head of the tripod, the battery doors are opened, the solar module is unfolded, and the charging and sunlight angles can be adjusted at once. The field portable multifunctional solar integrated power supply has the functions of high charging power, various voltage output specifications, handheld lighting, intelligent charging and real-time query of power quantity; the field portable multifunctional solar integrated power supply is especially suitable for field explorations and field military operations.
Owner:山东黄金太阳科技发展有限公司

Power transmission line self-power collecting device

The invention provides a power transmission line self-power collecting device. The power transmission line self-power collecting device comprises a magnetic core, a secondary side winding with a plurality of taps corresponding to the numbers of windings of different coils, a relay array for switching the plurality of taps of the secondary side winding, a rectifying and filtering module for rectifying and filtering an alternating current power output via the secondary side winding and then outputting a direct current power, a current measuring module for measuring the current of the secondary side winding, a voltage measuring module for measuring the voltage of the secondary side winding, and a control module for controlling the relay array to switch the taps in the secondary side winding after the calculated power is determined beyond the range of a power threshold. Compared with the prior art, the self-power collecting device can switch the taps in a self-adaptive way when the power is beyond the scope of the power threshold, thus the power supply can be kept in the scope of the power threshold always, and moreover, the self-power supply device can be protected, so the service life can be prolonged; and the power can be continuously and stably supplied to the follow-up electric equipment, and the requirements of the electric equipment on power can be met.
Owner:上海大乘电气科技有限公司

Non-floor type charging pile

The invention provides a non-floor type charging pile. The non-floor type charging pile is characterized by comprising a gantry column, wherein the gantry column comprises two hollow support columns and a transverse beam; the transverse beam is used for communicating the two hollow support columns; a plurality of charging pile bodies are erected on the transverse beam; each charging pile body is a direct current charging pile, an alternating current charging pile or a direct current and alternating current integrated charging pile. The non-flooring type charging pile has the advantages that the structure is novel, the charging pile is disengaged from a floor, and the land occupation is small; the charging operation is performed at a height and position which can be conveniently operated by an adult and easily watched by a driver; a miniature automobile can safely pass through under the gantry column, so that the possibility of contact with children is avoided, the risk is avoided, and the utilization rate of a land area is greatly improved; an electric automobile can be charged by direct current or alternating current, and the electricity utilization requirements of different electric vehicles are met; by using a photovoltaic power generation assembly as an auxiliary power source, the all-weather and all-time charging operation can be realized, and the energy-saving and environment-friendly effects are truly realized.
Owner:ANHUI YI WEISS NEW ENERGY TECH

Three-phase load balancing electric power protection system and method for field tent hospital

The invention provides a three-phase load balancing electric power protection system for a field tent hospital. The three-phase load balancing electric power protection system belongs to the technicalfield of power supply and distribution of field tent hospitals, and comprises a generator set and a power distribution unit, wherein the power distribution unit comprises a power supply transfer boxand power distribution boxes, the power supply transfer box transfers electric power generated by the generator set to the power distribution boxes in tents, and the power distribution boxes convert athree-phase power supply into a single-phase power supply and a DC 24V power supply to be connected with electricity utilization equipment; and a power supply line in each power distribution box is provided with a phase sequence changeover switch, which can realize manual adjustment of three-phase load balancing. Through arranging a main controller in the power supply transfer box and arranging auxiliary controllers in the power distribution boxes, the three-phase load balancing electric power protection system realizes online automatic adjustment of three-phase loads; the three-phase load balancing electric power protection system adopts a full box group structure, thus is convenient for handling, airborne transportation and wiring; and the three-phase load balancing electric power protection system has the advantages of reliable performance and stable power supply, and meets the electricity utilization requirements of field tent hospitals in various centralized or decentralized deployment modes.
Owner:INST OF MEDICAL SUPPORT TECH OF ACAD OF SYST ENG OF ACAD OF MILITARY SCI

Vehicle electronic water pump control system and control method thereof

The invention discloses a vehicle electronic water pump control system and a control method thereof. The control system includes a whole vehicle controller and a water pump control device used for controlling an electronic water pump; the electronic water pump includes an impeller and a motor; the water pump control device includes a control module; the motor is electrically connected to the control module; the control module is connected to the whole vehicle controller through a wired control circuit; a wireless transmission channel is arranged between the whole vehicle controller and the water pump control device; the whole vehicle controller is provided with a first wireless transmission module; the water pump control device includes a second wireless transmission module electrically connected to the control module; the wireless transmission channel is realized through the first and second wireless transmission modules; and the wireless transmission channel and the wired control circuit are standby signal transmission channels for each other. The whole vehicle controller can perform double control on the electronic water pump through a wired transmission mode and a wireless transmission mode, so that the stability and response timeliness of the vehicle electronic water pump during working can be enhanced, and using requirements can be better met.
Owner:DUNAN AUTOMOTIVE THERMAL MANAGEMENT TECH CO LTD

Flexible leather electrode material based on liquid metal, and preparation method of flexible leather electrode material

The invention discloses a flexible leather electrode material based on liquid metal, and a preparation method of the flexible leather electrode material The electrode material comprises a natural leather substrate 1, a liquid metal layer 2 which is coated to the surface of the natural leather substrate and permeates into the leather substrate, and a silver paste packaging layer 3 which is coated to the surface of the liquid metal layer and is used for carrying out curing and conducting. As a flexible material, leather has a porous structure, the liquid metal permeates into holes through a vacuum filtration method, the conductivity of the surface of the leather under a bending state can be increased, and the quality of bio-electricity signals collected by a leather electrode under different skin states is improved. The liquid metal is metal under the liquid state at the room temperature, has electrical conductivity, fluidity and an infinite deformation capability, and can maintain the good electrical conductivity in any shape. The flexible leather electrode material, which is prepared by the preparation method disclosed by the invention, based on the liquid metal fits the human skin, forms shape-preserving contact with the skin, enlarges a contact area, reduces impedance between the electrode and the skin, and has the advantage of long-term wearing.
Owner:SICHUAN UNIV

Preparation method of conductive ink for touch screen and forming process of conductive circuit

The invention relates to the technical field of touch screen, and in particular, relates to a preparation method of a conductive ink for a touch screen and a forming process of a conductive circuit. The preparation method comprises the steps: taking silver nitrate, adding silver nitrate into deionized water, stirring to make silver nitrate completely dissolved, followed by dropping ammonia water until the solution is clarified, then adding polyacrylic acid and beta-cyclodextrin, and stirring, to obtain a silver nitrate solution; adding a diethanolamine solution into the silver nitrate solutionat room temperature, stirring for 20-30 min, followed by adding ethylene glycol, carrying out ultrasonic oscillation for 0.5-1.0 h, and filtering for 1-1.5 h with a nano-membrane, to obtain the conductive ink; taking a substrate, washing with neutral water and carrying out non-contact AP cleaning successively, and then jetting the conductive ink onto a patterned conductive circuit through a piezoelectric nozzle to form a patterned liquid circuit thin film, placing at the temperature of 80-90 DEG C, baking for 4 min, and then forming a solid-state conductive circuit on the substrate. The prepared conductive ink is non-toxic, can be cured and formed at low temperature, and can be cured to form the patterned conductive circuit with low electrical resistivity and fine circuit by the jetting process; the process is simple and fast.
Owner:CHONGQING ZHONGGUANGDIAN DISPLAY TECH CO LTD

Multi-functional spring and autumn broadsword

The invention discloses a multi-functional spring and autumn broadsword, and relates to the field of martial arts appliances. The multi-functional spring and autumn broadsword comprises a broadsword head, and further comprises a broadsword frame used for placing the spring and autumn broadsword, wherein a broadsword bell is arranged on the broadsword head; a broadsword tassel is arranged on the broadsword bell; a broadsword disc is arranged below the broadsword head; a broadsword handle is arranged below the broadsword disc; the broadsword disc is in threaded connection with the broadsword handle; a broadsword tail is arranged below the broadsword handle; a fourth broadsword handle is in threaded connection with the broadsword tail; shells are arranged inside the broadsword tail and the broadsword bell; conducting wires are arranged inside the shells; a power source, a first spring, a normally open contact and a normally closed contact are arranged on each conducting wire; light emitting diodes are arranged outside the shells; and a broadsword tail protective cover is arranged at the bottom of the broadsword tail. The multi-functional spring and autumn broadsword has the beneficial effects that the disassembly is facilitated, the carrying is convenient, a user can practice other long weapons and train indoors, and the safety is improved during night practice.
Owner:HENAN INST OF SCI & TECH

Power semiconductor device mounting structure and modular manufacturing method thereof

The invention relates to a power semiconductor device mounting structure and a modular manufacturing method thereof. The power semiconductor device mounting structure comprises a power semiconductor device, a heat dissipation metal body, a heat conduction bonding insulation film and a PCB. The body of the power semiconductor device is bonded and fixed on the heat dissipation metal body through the heat conduction bonding insulation film; and the PCB and the heat dissipation metal body are vertically arranged, an insulating strip is arranged between the PCB and the heat dissipation metal body, the heat dissipation metal body is simultaneously fixed with the insulating strip and the PCB, and a pin of the power semiconductor device penetrates through the PCB and is fixed. The heat conduction bonding insulation film provided by the invention has the functions of insulation, fixation and heat conduction at the same time. The power semiconductor device, the heat dissipation metal body and the heat conduction bonding insulation film are all of flat structures, so that the space is saved; and the heat dissipation metal body, the power semiconductor device and the PCB form the power semiconductor module, so that the product is modularized, and the product is convenient to assemble, store and manage.
Owner:HANGZHOU ZHONGHEN ELECTRIC CO LTD

Energy absorption device for double-flow vehicle

The invention relates to an energy absorption device for a double-current system vehicle. The energy absorption device comprises a first voltage output device and a second voltage output device; the output terminal of the first voltage output device is connected with a voltage comparator; the output terminal of the voltage comparator is connected with a rectifier; the output terminal of the rectifier is connected with an energy-absorbing resistor; the output terminal of the second voltage output device is connected with a three-phase-to-single-phase converter; the energy absorption device is further provided with a transformer. The output terminal of the transformer is connected with the rectifier; the output terminal of the transformer is also provided with a transformation joint; and the output terminal of the transformation joint is connected with the input terminal of the voltage comparator. The device has the advantages that when a vehicle is braked, energy generated on the overhead line system through the return line is subjected to voltage reduction through the transformer and then is transmitted to the energy absorption resistor through the rectifier to be absorbed, the current is effectively prevented from feeding back power to a power grid through the return line, the power utilization requirement of the power grid is met, and safety is good.
Owner:CHONGQING CRRC RAILWAY VEHICLES CO LTD

An energy-absorbing device for dual-flow vehicle manufacturing

The present invention relates to an energy-absorbing device for double-stream manufacturing vehicles. The energy-absorbing device includes a first voltage output device and a second voltage output device; the output end of the first voltage output device is connected with a voltage comparator; The output end of the described voltage comparator is connected with a rectifier; the output end of the described rectifier is connected with an energy absorbing resistor; the output end of the second voltage output device is connected with a three-phase to single-phase converter; The energy device is also provided with a transformer; the output end of the transformer is connected to the rectifier; the output end of the transformer is also provided with a transformer connector; the output end of the transformer connector is connected to the input end of the voltage comparator. Its advantages are as follows: when the vehicle is braking, the energy generated by the return line in the catenary, after being stepped down by the transformer, is transmitted to the energy-absorbing resistor for absorption through the rectifier, effectively preventing the current from feeding back power to the grid through the return line, It meets the power requirements of the grid and has good safety.
Owner:CHONGQING CRRC RAILWAY VEHICLES CO LTD
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