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51results about How to "Meet electricity requirements" patented technology
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Intelligent charger and charging control circuit thereof
ActiveCN105162228AMeet power needsMeet electricity requirementsBatteries circuit arrangementsElectric powerElectricityEngineering
The invention relates to a charging control circuit of an intelligent charger. The charging control circuit comprises a load detection circuit, a voltage input circuit, a control circuit and a charging circuit, wherein the load detection circuit is used for detecting and recognizing a charging protocol type of a load accessed to the intelligent charger, and generating a feedback signal according to the recognized charging protocol type; the voltage input circuit is used for a user to input an adjustment voltage value; the control circuit is used for receiving the feedback signal and the adjustment voltage value and generating a voltage control signal according to the feedback signal or the adjustment voltage value; and the charging circuit is used for adjusting an input voltage according to the voltage control signal and then forming an output voltage to charge the load. By the above charging control circuit of the intelligent charger, except the power supply demand for a normally-used device is met, the electricity utilization demand of a particular load also can be met, and the charging control circuit is high in compatibility. The invention also relates to the intelligent charger.
Owner:SHENZHEN HELLO TECH ENERGY
Field portable multifunctional solar integrated power supply
ActiveCN104601090ASolve the problem of carrying outSolve the inconvenience of installationPhotovoltaic supportsBatteries circuit arrangementsElectricityLiquid-crystal display
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
Working method of floor mopping robot
ActiveCN111820824AHigh degree of intelligenceTo achieve the purpose of dryingCarpet cleanersFloor cleanersProcess engineeringIndustrial engineering
The invention discloses a working method of a floor mopping robot, which belongs to the technical field of cleaning equipment working methods. The floor mopping robot enters a self-cleaning program under the condition that the starting condition of a self-cleaning program is met. In the self-cleaning procedure, the floor mopping robot returns to a base station firstly, then the floor mopping robotcompletes cleaning of a to-be-cleaned wiping surface on a wiping piece on the premise that the electric quantity meets the preset requirement, and the floor mopping robot enables the wiping piece torotate for a period of time to complete dehydration after the wiping piece is cleaned. The purpose of automatic cleaning of the wiping piece can be achieved through the self-cleaning program, a user does not need to manually detach or replace the wiping piece, the use cost of the whole floor mopping robot can be reasonably reduced on the premise that the intelligent degree of the floor mopping robot is improved, and the use experience of the user is improved.
Owner:PANASONIC APPLIANCES CHINA CO LTD
Power transmission line self-power collecting device
InactiveCN102842967AContinuous and stable power supplyMeet electricity requirementsElectromagnetic wave systemEmergency protective arrangements for automatic disconnectionAlternating currentConductor Coil
Owner:上海大乘电气科技有限公司
Floor-wiping and shoe-wiping dual-purpose machine
InactiveCN105534421AReduce labor intensityImprove operating postureCarpet cleanersFloor cleanersYarnElectricity
The invention discloses a floor-wiping and shoe-wiping dual-purpose machine, namely an electric floor wiping machine which can serve as a shoe wiping machine at the same time and has functions of sweeping, wiping and sucking. A storage battery supply is adopted, and cotton yarn brush rollers are used for wiping the floor, so that the machine integrates the functions of sweeping, wiping and sucking and achieves dry and wet double purposes. When the machine is used for wiping the floor, the brush rolls rotate back and forth in a rolling mode, swing left and right in a reciprocating mode and act in a mode that the height floats with topography; and wet tissues are used for wiping the floor indirectly, so that the machine is simple to operate and convenient for maintenance. When the machine is used for wiping shoes, the effect of induced air dust removal is promoted, so as to bring about benefits for air cleaning. The machine has the characteristics of reducing labor intensity, guaranteeing cleaning quality, improving working efficiency and reducing water and electricity consumption.
Owner:杨金泉
Electrically-conductive silicone rubber and preparation method thereof
The invention discloses a high-temperature vulcanized silicone rubber production technology, and concretely relates to an electrically-conductive silicone rubber and a preparation method thereof. The electrically-conductive silicone rubber comprises, by weight, 100 parts of methyl vinyl silicone rubber mixed rubber, 1-10 parts of carbon nanotubes, 1-5 parts of graphene, 0.5-3 parts of vinyltrimethoxysilane and 0.5-3 parts of hydroxyl silicone oil. The carbon nanotubes and the graphene are compounded as an electrically-conductive filler, all the components are reasonably matched, the special preparation method is adopted, and all parameters are strictly controlled in the preparation process, so electric performance requirements are met, and the electrically-conductive silicone rubber also has the advantages of low density, good physical performances and especially good mechanical performances.
Owner:JIANGSU TIANCHEN NEW MATERIALS
Non-floor type charging pile
PendingCN107128208ANovel structureSmall footprintCharging stationsSafety/protection battery circuitsDriver/operatorElectric vehicle
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
A multifunctional electric apparatus with programmable and trip circuit output
InactiveCN1972050AMeet electricity requirementsSave resourcesComputer controlEmergency protective arrangement detailsMultiple functionControl circuit
This invention relates to one control and protection switch, which comprises the following parts: one programmable cover remove control probe to determine on or off of fault of the control point according to real conditions; at least one programmable switch control probe parallel to the control power to ensure the remove electromagnetic reliability and to set suitable motor set control to set on or off protection according to real situation needs.
Owner:SHANGHAI ELECTRICAL APPLIANCES RES INSTGROUP +2
Direct current power supply
InactiveCN101527514AQuality improvementSmall rippleApparatus without intermediate ac conversionApparatus with intermediate ac conversionElectricityControl signal
The invention discloses a direct current power supply, which comprises a rectifying unit, an inverter unit, an output rectifying unit, a detection unit and a DSP processor, wherein the detection unit is arranged at the downstream of the output rectifying unit to detect a voltage transmitted by an output filter unit to a load and transmits a detected value to the DSP processor; and the DSP processor is arranged between the detection unit and the inverter unit to output a corresponding PWM control signal according to the detected value of the voltage of the load and an expected value input in advance of the load to the inverter unit to control the on and off of a switch element in the inverter unit and to adjust the dutyfactor of the switch element in the inverter unit to adjust the output voltage of the inverter unit to allow to the detected value of the load to approach the expected value of the voltage of the load. The output voltage of the direct current power supply is high in quality and small in harmonic content and interference, so the direct current power supply meets the electricity use requirements of precise instruments and effectively avoids damages to the precise instruments caused by power supply quality.
Owner:BEIJING NAURA MICROELECTRONICS EQUIP CO LTD
Laser bending forming method for knife switch knife holder
ActiveCN112427543AImprove plasticityImprove forming qualityShaping toolsLaser scanningLight scanning
The invention provides a laser bending forming method for a knife switch knife holder. The laser bending forming method can be used for die-free rapid bending forming of the knife switch knife holder.Firstly, based on a temperature gradient mechanism, when laser scans a metal plate, a laser scanning line area can generate uneven thermal stress due to the temperature gradient, so that the plate isbent towards a laser beam, and meanwhile, a scanning area generates new residual stress and strain distribution; and secondly, based on the buckling mechanism, laser scanning is conducted on the pre-bent back face position, and under the influence of residual stress and strain generated by pre-bending, the plate is bent in the direction opposite to the laser beam. When a knife holder sample pieceis formed through laser, high-precision laser rapid bending forming of knife holders of different sizes and shapes can be achieved by changing laser parameters and the number of laser scanning timesof all paths in combination with proper path planning.
Owner:DALIAN UNIV OF TECH
Hot plug method, hot plug control device, a voltage balancing method and device
ActiveCN106451623AEnsure safetyGuaranteed stability and securityCharge equalisation circuitSecondary cells charging/dischargingVoltageState of art
The embodiment of the invention provides a hot plug method, a hot plug control device, and a voltage balancing method and device. According to the embodiment of the invention, when there is a to-be-change battery unit in a plurality of parallel battery units, a branch circuit where the to-be-change battery unit is located is switched off. Accordingly, the technical scheme of the invention can solve problems that there is conflict between the replacement of a battery unit and the normal operation of a power supply system in the prior art and therefore the safety and stability of the power supply system are lower.
Owner:컨템포러리엠퍼렉스테크놀로지씨오리미티드
Electrical conduit and preparation method thereof
InactiveCN109972067AReduce corrosionIncreased Corrosion Performance RequirementsHot-dipping/immersion processesSuperimposed coating processStrip steelMaterials processing
The invention is applicable to the technical field of material processing, and provides an electrical conduit and a preparation method thereof. The electrical conduit comprises tubular strip steel, azinc plating layer, a passivation film layer and an inorganic sealing layer, wherein the tubular strip steel is attached to the surface of the inner and outer tube walls of the tubular strip steel; the passivation film layer is attached to the surface of the zinc plating layer; and the inorganic sealing layer is attached to the surface of the passivation film layer. The electrical conduit providedby the embodiment is protected by the three-layer protective film layer, so that the corrosion resistance of the electrical conduit can be effectively improved, compared with a commercially availablecommon JDG electrical conduit, the corrosion resistance can be greatly enhanced, in addition, the electrical property of the electrical conduit is also met, so that the electrical conduit has strongapplication value.
Owner:天津市萧山管业有限公司
Multi-channel output alarm voice circuit of near-earth alarm system
InactiveCN109996150AClear voiceImprove sound qualitySignal processingTransducer circuitsHigh-pass filterAudio signal
The invention relates to a multichannel output alarm voice circuit of a near-earth alarm system, which comprises a main processor U1, an audio codec U2, a pre-amplifier U3, an audio amplifier U4, a balance line driver U5 and an audio transformer T1. The circuit further comprises a high-pass filter circuit A1 which is composed of a filter capacitor C4 and a filter resistor R4 and used for filteringa direct current component and other low-frequency noise of an audio signal output by the voice chip, the first end of the filter capacitor C4 is connected with the pre-amplifier U3, the second end of the filter capacitor C4 and the first end of the filter resistor R4 are connected with the audio amplifier U4, and the second end of the filter resistor R4 is grounded. The advantages of the invention are that the audio signal in the alarm voice circuit has strong anti-interference capability in the transmission process, and has the electrical requirements of voice audio signal amplitude, impedance, isolation, difference and the like between a near-earth alarm system and a built-in interphone.
Owner:SHANGHAI AVIATION ELECTRIC
Method for integrating insulation film between fluorine doped silicon oxide glass layers
InactiveCN101110385AFully boundFrom erosionSemiconductor/solid-state device detailsSolid-state devicesSilicon oxideHigh stress
The present invention discloses a method of integrating an insulating layer amongst glass layers containing silicon oxyfluoride, which includes procedures below: Firstly, it is necessary to settle positive plasma tetraethoxysilane insulating films containing silicon oxyfluoride with stress ranging from -250MPa to -600MP and then polish and flatten through chemical mechanical polishing. In addition, it needs to retain in a positive plasma tetraethoxysilane insulating film with high stress. A tungsten connecting wire is formed in an opening. And then, chemical mechanical polishing is carried out to a tungsten layer. An upper metal connecting wire layer is settled. The present invention fully binds free fluorine radicals in glass containing silicon oxyfluoride through high-stress positive plasma tetraethoxysilane insulating films, thus enabling the upper metal connecting wire free from corrosion and meeting electrical requirements of appliances.
Owner:SHANGHAI HUAHONG GRACE SEMICON MFG CORP
Preparation method of high-aluminum borosilicate glass with excellent dielectric properties
The invention discloses a preparation method of high-aluminum borosilicate glass with excellent dielectric properties. According to the method, BaO is added, the addition amount of the BaO is optimized, and the high-aluminum borosilicate glass is prepared with a high-temperature melting method; since the BaO is contained in raw materials, the melting accelerating effect is achieved; cations Ba<2+>thereof are filled in a network space, so that movement of alkaline earth metal ions is hindered; the dielectric constant is reduced, the electrical resistance is increased, the electrical performance requirements of electronic substrate glass are met, and the heat expansion coefficient, the density and other properties are also met, so that the high-aluminum borosilicate glass has an excellentdielectric constant, the electrical performance thereof meets the requirements, and the requirements of the electronic substrate glass are met.
Owner:SHAANXI UNIV OF SCI & TECH
Three-phase load balancing electric power protection system and method for field tent hospital
ActiveCN109659932AAchieve balanceRealize automatic adjustmentSelective ac load connection arrangementsSingle network parallel feeding arrangementsElectricityAuto regulation
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
Capsule endoscope
PendingCN114287865AIncrease peak power supplyMeet the volume too largeBatteries circuit arrangementsSurgeryComputer hardwareCapacitance
The invention provides a capsule endoscope. The capsule endoscope comprises a power supply module; the power utilization module comprises an image acquisition module; and the at least one power storage module is connected in parallel with the power supply module to form a power supply group, and the power storage module and the power supply module jointly provide power for the image acquisition module. According to the capsule endoscope, the capacitor, the power module and the like are matched to supply power to the power utilization component, the peak power supply amount can be increased, and the power utilization requirement can be met even if the high-power-consumption power utilization component works. A multi-capacitor parallel connection mode is adopted in more than one power pack, so that not only can the overlarge size of a single capacitor and possible safety risks be avoided, but also power distribution can be realized according to needs, and the utilization rate of electric energy is improved.
Owner:ANKON MEDICAL TECH (SHANGHAI) CO LTD
Vehicle electronic water pump control system and control method thereof
ActiveCN110118185AImprove stabilityImprove responsivenessPump controlElectric/fluid circuitImpellerElectricity
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
PendingCN113397551AHigh strengthLow priceDiagnostic recording/measuringSensorsSilver pasteHuman skin
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
InactiveCN108610742AMeet electrical requirementsWill not polluteInksConductive pattern formationLow temperature curingBeta-Cyclodextrins
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
Intelligent vehicle-mounted power distribution system
InactiveCN107733072AImprove reliabilityEasy to operateSingle ac network with different frequenciesEmergency power supply arrangementsDistribution power systemSine wave
The invention discloses an intelligent vehicle-mounted power distribution system. The system comprises an UPS module, an alternating current redundancy control module, a monitoring module and an AC / DCconversion module; after AC is inputted into the UPS module, the UPS module rectifies and inverts the AC and outputs stable 220V / 50Hz sine wave alternating current; the alternating current redundancycontrol module is used for achieving alternating current output backup and the on-off control of output circuits; the monitoring module is responsible for collecting and recording the data of each node in the system; the AC / DC conversion module can be used for providing an electricity utilization environment for DC equipment in a vehicle. Redundancy backup is realized on the output circuits; power source monitoring circuits are installed at each node of the system; and therefore, the reliability of the system can be improved, and the electricity utilization status of equipment can be controlled, managed and recorded in a centralized manner. The intelligent vehicle-mounted power distribution system has the advantages of simple operation, high fault isolation degree and clear fault location.
Owner:CHINESE AERONAUTICAL RADIO ELECTRONICS RES INST
Device for illumining multiple fluorescent lamps
InactiveCN101160009AReduce the total amount of harmonicsImprove lighting qualityElectrical apparatusElectric lighting sourcesFluorescencePower factor
The invention discloses a device of lighting up a plurality of fluorescent lamps, which includes an active filter circuit, a high frequency rectification filter circuit, a high frequency chopper power output circuit, and a current phase shift, current limit and resonance circuit, which is serially connected with a fluorescent tube set. Main supply is output to the high frequency chopper power output circuit through the active filter circuit and the high frequency rectification filter circuit; the high frequency chopper power output circuit is powered by two or more than two current phase shift, current limit and resonance circuits in parallel connected with an output circuit. The invention has the advantages that the adoption of a high frequency switch power supply and the current phase shift, current limit and resonance circuit can facilitate an electric light source to obtain higher photoelectric conversion efficiency on the premise of using lower power, light up a plurality of the fluorescent lamps simultaneously, obviously improve lighting quality and power factor although cancelling a plurality of ballasts, starters or a plurality of electronic ballasts, in order to save raw material and energy.
Owner:王尺
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
PendingCN113795079AGuaranteed cooling effectMeet electricity requirementsPrinted circuit assemblingInsulating bodiesPower semiconductor deviceThermodynamics
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
A dual-purpose machine for wiping floors and shoes
InactiveCN105534421BReduce labor intensityImprove operating postureCarpet cleanersFloor cleanersYarnElectricity
The invention discloses a floor-wiping and shoe-wiping dual-purpose machine, namely an electric floor wiping machine which can serve as a shoe wiping machine at the same time and has functions of sweeping, wiping and sucking. A storage battery supply is adopted, and cotton yarn brush rollers are used for wiping the floor, so that the machine integrates the functions of sweeping, wiping and sucking and achieves dry and wet double purposes. When the machine is used for wiping the floor, the brush rolls rotate back and forth in a rolling mode, swing left and right in a reciprocating mode and act in a mode that the height floats with topography; and wet tissues are used for wiping the floor indirectly, so that the machine is simple to operate and convenient for maintenance. When the machine is used for wiping shoes, the effect of induced air dust removal is promoted, so as to bring about benefits for air cleaning. The machine has the characteristics of reducing labor intensity, guaranteeing cleaning quality, improving working efficiency and reducing water and electricity consumption.
Owner:杨金泉
Energy absorption device for double-flow vehicle
ActiveCN112751337APrevent regenerative powerMeet electricity requirementsRailway vehiclesElectric powerConvertersEnergy absorption
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
Three-phase load-balanced power protection method for tent hospitals in the field
ActiveCN109659932BEasy to carryEasy wiringSelective ac load connection arrangementsSingle network parallel feeding arrangementsControl engineeringTransfer switch
The invention provides a three-phase load balanced power guarantee method for tent hospitals in the field, which belongs to the technical field of power supply and distribution for tent hospitals in the field. The phase sequence transfer switch of the power distribution box can transfer the power distribution box under the phase sequence with the heavier load to the phase sequence with the lightest load, or detect the connection of all electrical equipment connected to it through the auxiliary controller in the power distribution box phase sequence of the power supply, and feed back the phase sequence information of each power distribution box to the main controller. The controller sends out control commands to control the power distribution box of the power supply line with the heaviest load to switch to the power supply line with the lightest load, so as to realize online automatic adjustment of three-phase loads to meet the needs of various centralized or decentralized deployment methods for field tent hospitals power requirements.
Owner:INST OF MEDICAL SUPPORT TECH OF ACAD OF SYST ENG OF ACAD OF MILITARY SCI
An energy-absorbing device for dual-flow vehicle manufacturing
ActiveCN112751337BPrevent regenerative powerMeet electricity requirementsRailway vehiclesElectric powerConvertersPower grid
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
A method of laser bending and forming of knife switch knife holder seat
ActiveCN112427543BAchieve laser flexible formingImprove plasticityShaping toolsLaser scanningMetal sheet
The invention provides a method for laser bending forming of a blade switch blade holder, which can be used for rapid bending forming of the blade switch blade holder without a mold. First, based on the temperature gradient mechanism, when the laser scans the metal sheet, the laser scanning line area will generate uneven thermal stress due to the temperature gradient, causing the sheet to bend toward the laser beam, and at the same time, the scanning area will generate new residual stress and strain distribution. Secondly, based on the buckling mechanism, the laser scanning is performed on the pre-bending back position, and the plate is bent away from the laser beam due to the influence of the residual stress and strain generated by the pre-bending. When laser forming the sample of the tool holder, by changing the laser parameters and the number of laser scans of each path, combined with appropriate path planning, high-precision laser rapid bending of tool holders of different sizes and shapes can be realized.
Owner:DALIAN UNIV OF TECH
Hot-swap method and hot-swap control device, voltage balancing method and device
ActiveCN106451623BEnsure safetyFix security issuesCharge equalisation circuitSecondary cells charging/dischargingElectrical batteryProcess engineering
Owner:CONTEMPORARY AMPEREX RUNZHI SOFTWARE TECH LTD NINGDE CITY
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