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56results about How to "Solve charging difficulties" patented technology
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Method of realizing Internet contents paying
InactiveCN1430377ASolve charging difficultiesIncrease contentMetering/charging/biilling arrangementsData switching by path configurationInternet contentUsability
A paying method for content of Internet includes the following: resetting URL to ISP which creates a SSO certificate for confirming status of consuming body, before the client carrying on content consuming on ICP and fee counting or deducting to be processed unitedly also by ISP; the client only needing to log-on ISP once or twice, no need to log-on each ICP repeatedly when the client is viewing pay content; the value chain connecting the client and ICP to have been established by ICP with utilizing the existed operation channel of ISP to overcome problem of fee collection difficulty of ICP.
Owner:HUAWEI TECH CO LTD
Liquid crystal displayer based on prism color sequence method
InactiveCN105116617AGuaranteed picture qualitySolve charging difficultiesNon-linear opticsPrismGreen-light
The invention provides a liquid crystal displayer based on a prism color sequence method. The liquid crystal displayer comprises a backlight module, a first liquid crystal box and a second liquid crystal box. The backlight module comprises a red LED, a green LED and a blue LED which provide red light, green light and blue light sequentially and alternately. The first liquid crystal box comprises multiple blue-phase liquid crystal lenses switched with the backlight LEDs of the backlight module synchronously so as to gather light of corresponding colors from the backlight module. The second liquid crystal box is located above the first liquid crystal box and used for receiving light from the first liquid crystal box so as to provide a corresponding displayed picture. Compared with the prior art, the design structure of the two liquid crystal boxes is adopted, the lower liquid crystal box gathers the backlight penetrating through pixels to specific pixels to achieve the focusing function, and the upper liquid crystal box receives the focused light to achieve the picture display purpose. Due to the fact that only the operation that the blue-phase liquid crystal lenses in the lower liquid crystal box are switched with the backlight LEDs synchronously is needed, liquid crystals in the upper liquid crystal box do not need to be switched along with the backlight LEDs, and the frame rate meeting the requirement for the liquid crystal response speed can be maintained.
Owner:AU OPTRONICS CORP
Charging type parking space achieving solar power generation
InactiveCN103835541ASolve charging difficultiesSimple structurePhotovoltaic supportsEnergy storageElectricityParking space
The invention discloses a charging type parking space achieving solar power generation. The charging type parking space achieving solar power generation comprises a photovoltaic plate support, a parking place and a charging pile, wherein the photovoltaic plate support is composed of a vertical support and a horizontal support, the parking place is used for parking a vehicle, and the charging pile is arranged in front of the parking place. A plurality of solar panels which are distributed in parallel are arranged on the horizontal support, the charging pile and the vehicle are located under the horizontal support, the charging pile is cylindrical, the top surface of the charging pile is an inclined surface inclined towards the vehicle, a display operation screen facilitating operation by users is arranged on the inclined surface, a socket for charging is arranged on the side face of the charging pile, the charging pile is hollow, and a controller, a storage battery, a DC / AC module and a display driving circuit are arranged inside the charging pile. The charging type parking space achieving solar power generation is simple in structure and low in cost, can not only effectively solve the problem that the electric vehicle is difficult to charge, but also charge the electric vehicle by using solar energy to replace mains electricity, and therefore improves resource use efficiency.
Owner:XIAN KING TRUCK ELECTRON
Wireless charging equipment and method for multi-rotor aircraft
ActiveCN105958656ARealize the work of chargingSolve charging problemsCircuit arrangementsElectricityElectrical battery
The invention belongs to the field of wireless power supply, and particularly relates to wireless charging equipment and method for a multi-rotor aircraft. The wireless charging equipment for the multi-rotor aircraft comprises a wireless power transmitting device located on a parking apron, and a wireless power receiving device located on the multi-rotor aircraft, wherein the wireless power transmitting device comprises a wireless power transmitting circuit and a wireless power transmitting coil; the wireless power transmitting coil is electrically connected with the wireless power transmitting circuit; the wireless power receiving device comprises a wireless power receiving coil and a wireless power conversion circuit; the wireless power conversion circuit is electrically connected with the wireless power receiving coil; and the wireless power transmitting coil is wirelessly connected with the wireless power receiving coil through an electromagnetic wave. Power transmission is carried out between the transmitting coil and the receiving coil through electromagnetic energy, and charging is carried out by a constant-current constant-voltage charging mode in the charging process. A battery of the multi-rotor aircraft is charged through a wireless power transmission mode; and the problem in charging is solved for continuous operation of the multi-rotor aircraft.
Owner:ZONECHARGE (SHENZHEN) WIRELESS POWER TECH CO LTD
Artificial intelligence Internet of Things charging valve and method
ActiveCN108280637ASolve charging difficultiesReduce labor intensityPayment architectureTransmissionPaymentEngineering
Artificial intelligence Internet of Things charging valve and method are disclosed and relate to an Internet of Things device adopting two-dimensional codes, Alipay and WeChat for charging. The artificial intelligence Internet of Things charging valve and method help solve the problem that a conventional heat metering method and a conventional payment method are not flexible and cannot meet the needs of people. The artificial intelligence Internet of Things charging valve includes a central processor, a water inlet pipe temperature sensor, a water return pipe temperature sensor, a storage circuit, an actuator, a valve body and a WIFI communication module. The device adopts all-electronic devices and is long in service life, simple in structure and high in flexibility and energy conservation performance. The guiding significance of the the artificial intelligence Internet of Things charging valve of the present invention is not only about facilitating charging operation, but also aboutencouraging users to save energy and reduce emissions. The artificial intelligence Internet of Things charging valve and method disclosed in the invention are wide in range of practical applications,simple in structure, and high in flexibility and compileability.
Owner:玉环浩胜电子科技有限公司
Control system for intelligent prepayment teletransmission water meter
InactiveCN103035071AConvenient fee managementEasy to manageApparatus for hiring articlesControl systemEconomic benefits
The invention discloses a control system for an intelligent prepayment teletransmission water meter, which relates to the technical field of water supply systems. The control system comprises a prepayment water meter, a collector, a concentrator and a server, wherein the output end of the prepayment water meter is in one-way connection with the input end of the collector; the collector and the concentrator are in double-way connection by a wireless network; and the concentrator and the server are in double-way connection. The control system provided by the invention has the benefits that intelligent control over the water meter is truly realized by a water supply company through the system, various worries of the water supply company about the intelligent water meter are solved, and the purposes of truely intelligent water supply and water resource saving are achieved. A teletranmission function is increased on the basis of the existing intelligent prepayment water meter so that the difficult charging and messy water management problems of the water supply company are thoroughly solved. On the basis of the realization of the intelligent prepayment control, the system can also avoid stealing and leakage, timely discover failed water meters and ensure the economic benefit of the water supply company.
Owner:泊头市普惠仪表有限公司
Control circuit of heater control valve
InactiveCN101561665AIncrease costHigh frequencyOperating means/releasing devices for valvesElectric motor controlCapacitanceElectrical battery
A control circuit of a heater control valve comprises a motor (M1) used for controlling on / off of switches, a microprocessor (IC) used for receiving signals and driving the motor (M1) to rotate and a super capacitor (E1) which stores electric energy and provides the electric energy for the motor (M1) after power-down. The control circuit employs the super capacitor instead of common batteries and can freely switch on and switch off the heater valve and set temperature, thereby reducing cost and operating frequency, saving plenty of energy, lowering use cost of users and enjoying high popularization value.
Owner:SHANDONG JIANZHU UNIV
Internet of Things device of electromobile charging equipment
InactiveCN105406545ASolve the problem of chargingEasy to marketBatteries circuit arrangementsCharging stationsSignal onIn vehicle
The invention discloses an Internet of Things device of electromobile charging equipment. The Internet of Things device comprises a charging pile, a detection module, a data center, a network, a wireless signal emitter, a wireless signal receiver and a vehicle-mounted GPS (Global Positioning System) navigation device, wherein the detection module detects the working state of the charging pile and transmits a detection signal to the data center; the data center transmits the signal to the network; the network sends the signal through the wireless signal emitter; and the wireless signal receiver is installed on an electromobile, receives the signal emitted from the wireless signal emitter and displays the signal on the vehicle-mounted GPS navigation device (7). When a user needs to know the states of the surrounding charging piles, the user can clearly know the states of the surrounding charging piles only by selecting a "charging pile" toolbar on the vehicle-mounted GPS navigation device (7).
Owner:李俊娇
Charging method and system of air conditioner
InactiveCN106056491ASolve usabilitySettlement feeData processing applicationsSpecial tariff metersEngineeringCharging argument
The invention provides a charging method and system of an air conditioner, wherein the method comprises the steps of: when an air conditioner charging system is determined to have a communication fault, judging whether the communication fault is a restorable communication fault; if the communication fault is a restorable communication fault, then obtaining a first charging parameter metered before the communication fault of the air conditioner charging system and a second charging parameter metered after the communication fault is removed, and obtaining a first charging reference value for charging according to the first charging parameter and the second charging parameter; and if the communication fault is not a restorable communication fault, then obtaining a third charging parameter metered by the air conditioner system in a preset time, and obtaining a second charging reference value for charging according to the third charging parameter and the preset time. According to the invention, the charging problem for the usage and standby modes of the air conditioner when the air conditioner charging system has the communication fault is effectively solved, the charging is more accurate and reasonable, the satisfaction of a user is improved, and the problem of difficult charging is solved for property managers.
Owner:GREE ELECTRIC APPLIANCES INC
Wireless charging magnetic coupling structure and autonomous underwater vehicle system
ActiveCN109177763ASolve battery lifeSolve charging difficultiesBatteries circuit arrangementsCharging stationsOcean bottomCoupling
The invention discloses a wireless charging magnetic coupling structure and an autonomous underwater vehicle. The magnetic coupling structure is applied to an autonomous underwater vehicle and comprises a launching end arranged on a charging dock and a receiving end arranged on the autonomous underwater vehicle, wherein the launching end comprises a launching coil and a launching magnetic core arranged on a side of the launching coil remote from the autonomous underwater vehicle. The invention can help the autonomous underwater vehicle to realize the wireless charging of the seabed, and solvesthe problems of poor endurance and difficult charging of the autonomous underwater vehicle. The transmitting end of the magnetic coupling structure is provided with a transmitting magnetic core on one side of the transmitting coil, thereby reducing the limitation of the transmitting magnetic core on the transmitting coil and increasing the flexibility of the transmitting coil, and the distance between the magnetic core of the transmitting end, and the autonomous underwater vehicle is reserved to avoid the seawater pressure changing the parameters of the transmitting magnetic core, so as to improve the adaptability of the system to underwater wireless charging.
Owner:HARBIN INST OF TECH AT WEIHAI +1
Magnetic coupling structure for wireless charging of autonomous underwater vehicle and autonomous underwater vehicle system
ActiveCN109192473ASolve battery lifeSolve charging difficultiesCharging stationsTransformersMarine engineeringCoupling
The invention discloses a magnetic coupling structure for wireless charging of an autonomous underwater vehicle and an autonomous underwater vehicle system, the magnetic coupling structure comprises atransmitting end arranged on a charging dock and a receiving end arranged on an autonomous underwater vehicle. The receiving end includes a receiving coil disposed along a radial direction of the autonomous underwater vehicle, including an inner end portion located at a radial center position of the autonomous underwater vehicle, an outer end portion located at an inner surface of the autonomousunderwater vehicle housing, and an intermediate portion located between the inner end portion and the outer end portion. The magnetic coupling structure for wireless charging of the autonomous underwater vehicle provided by the invention solves the problems of poor endurance and difficult charging of the autonomous underwater vehicle. The input side current ripple of the magnetic coupling structure is small, the transferable power level is large, and the battery life can be prolonged.
Owner:HARBIN INST OF TECH AT WEIHAI +1
Charging system of electric vehicle
InactiveCN110962640AIncrease usageSolve charging difficultiesCharging stationsElectric vehicle charging technologyElectrically conductiveElectric vehicle
The invention relates to a charging system of an electric vehicle, which is used for solving the difficulty in charging electric vehicles in parking lots in related technologies. The charging system comprises a track which is laid in a parking lot; a parking point extending from the track along one side of a parking space and provided with a high-voltage conductive contact point; a moving device used for moving to the parking point along the track; and a charging device arranged on the moving device and connected to the high-voltage conductive contact point and the electric vehicle to charge the electric vehicle when the moving device is located at the parking point.
Owner:BYD CO LTD
Remote control intelligent valve based on charging information, and control method thereof
InactiveCN105976525ASolve charging difficultiesImprove experienceOperating means/releasing devices for valvesApparatus for hiring articlesRemote controlControl signal
The invention relates to a remote control intelligent valve based on charging information, and a control method thereof, and relates to the field of valves, and especially relates to a heat supply intelligent charging control valve. The remote control intelligent valve based on charging information comprises a central processor, a storage, and a power supply. The storage and the power supply are connected with the central processor. The valve is characterized by also comprising a communication module, a temperature sensor, a performer, a valve body, and an upper computer. The control method comprises: after a heat consumer pays fees, the upper computer sending an instruction to open the valve through a network, the central processor receiving the instruction of the upper computer through the communication module, and converting the instruction to a control signal of the performer, and the performer driving the valve body to operate to open the valve. The product can effectively solve a charging control problem of a heat supply enterprise, and intelligent level and user experience of the valve are improved.
Owner:HANGZHOU HUADIAN ENERGY ENG
Lithium battery low-temperature charging system and charging method thereof
PendingCN108075542AGuaranteed normal chargingAchieve normal charging effectBatteries circuit arrangementsSecondary cells charging/dischargingSingle chipElectrical and Electronics engineering
Disclosed is a lithium battery low-temperature charging system. The system comprises a lithium battery pack, a heating heat-preserving sleeve, a charging power supply, a single-chip computer, and a temperature sensor; the lithium battery pack and the heating heat-preserving sleeve are connected with the charging power supply, the charging power supply is connected with the single-chip computer, and the single-chip computer is connected with the temperature sensor. The system has the advantages that under a low-temperature condition, a lithium battery in the heating heat-preserving sleeve is firstly heated by the charging power supply, the heating heat-preserving sleeve has functions of temperature automatic controlling and heat preserving by heat insulation, the temperature sensor only detects temperature of the battery, when the temperature of the lithium battery reaches a normal charging temperature, the lithium battery is charged again by the charging power supply, an effect of normal charging of the lithium battery under the low-temperature condition is achieved, normal charging of the lithium battery is ensured, and the problem that the lithium battery is difficult to charge under the low-temperature condition is solved to facilitate use of people. The charging system has the advantages of being good in using effect and applicable to be popularized.
Owner:宇恒电池股份有限公司
Mobile charging pile and mobile charging method
PendingCN106740235AImprove mobilitySolve charging difficultiesCharging stationsMobile unit charging stationsElectrical batteryMobile charge
The invention provides a mobile charging pile and mobile charging method. At present, charging piles on the market are fixedly arranged in the parking lots of residential areas or in charging stations, the problem that an electric car is in an emergency situation outdoors is not solved. If the battery power of the electric car is insufficient in the process of running and the power is exhausted during the process of driving to the charging stations, seeking help of a trailer is needed, so the process is troublesome in the operation, and the vehicle is also damaged. The mobile charging pile comprises a traffic moblie device (1) on which a generator set (2) and a fixed charging pile (6) are arranged, the fixed charging pile (6) is connected with the generator set. The mobile charging pile and the mobile charging method are applied to mobile charging piles.
Owner:营口福泰科技有限责任公司
Audio transmission encryption system for open-air movie theater
InactiveCN109982138ASolve charging difficultiesSolve the nuisanceSelective content distributionBroadcast systems controlEncryption systemAudio signal
The invention relates to an audio transmission encryption system for an open-air movie theater, and the system comprises a transmitting device and a plurality of receiving devices, the transmitting device encrypts audio signals of movies played by the open-air movie theater and sends the audio signals to the receiving devices, and the receiving devices receive and decrypt the audio signals and play the audio signals. The system can effectively solve the problem of difficult charging of the open-air movie theater and the problem of disturbing residents.
Owner:徐汉阳 +2
Device for improving gas energy of light gas gun by using microwave
ActiveCN106352736AImprove response rateAddressing Launch ThresholdsElectromagnetic launchersInternal pressureMicrowave
The invention discloses a device for improving the gas energy of a light gas gun by a microwave, comprising a first coating layer, a microwave source, a flange, a structural layer, a second coating layer, an inflation interface, a cladding layer, a heat absorbing layer and a deflated layer, wherein the structure layer is a hollow structure and is fixedly connected with the flange; the first coating is applied on the flange, the flange and the first coating are provided with holes for installing the microwave source, the inside of the structure layer and the second coating layer have the transition fit, the other side of the second coating layer is bonded to the side of the base layer, the other side of the base layer is coated with a wave absorbing layer, a structural layer, a second coating layer, a cladding layer and a groove on the wave absorbing layer with a inflatable interface and a deflated interface which are mounted with a gas filling valve and a bleed air valve respectively to form a closed cavity. The device is characterized in that the microwave source and the absorbing layer are arranged to reach the effect of a rapid improvement of the internal pressure of the sealed chamber, makes up for the traditional light gas gun gas emission device's defects of low energy efficiency.
Owner:XIAN INSTITUE OF SPACE RADIO TECH
Novel electric vehicle charging service system based on guiding belt and robot
InactiveCN108345303AEasy to findIntelligent chargingCharging stationsElectric vehicle charging technologyParking spaceMobile charge
The invention discloses a novel electric vehicle charging service system based on a guiding belt and a robot. The system includes a mobile charging service management center and the robot; the mobilecharging service management center is used for receiving a user charging request, acquiring the parking space number information of the electric vehicle of a user so as to generate a charging serviceinstruction, and sending the charging service instruction to the robot in an outbound area; the robot obtains the route scheme of the guiding belt corresponding to the electric vehicle in a parking space according to the parking space number information, departs from the outbound area and moves to a position beside the parking space according to the route scheme and is used for providing chargingservice for the electric vehicle in the parking space; and the guiding belt is arranged at the bottom of the electric vehicle or / and on the ground of a sidewalk. With the system of the invention adopted, the problem of difficulty in charging an electric vehicle can be solved, and the electric vehicle can be charged intelligently, timely and conveniently.
Owner:WUYI UNIV
Intelligent pit type lateral parking space
PendingCN114809751AEasy to manageWill not hinder accessCharging stationsParkingsParking spaceEngineering
The invention discloses an intelligent pit type lateral parking space, and relates to the technical field of parking equipment. The problems that in the prior art, due to the fact that an automobile enters a family faster and faster, parking is difficult, the number of parking spaces is seriously insufficient, and automobile parking and taking are difficult are solved. The parking space comprises an upper vehicle carrying plate, a lower vehicle carrying plate, a bottom plate and a transmission mechanism, the parking space is arranged underground, the upper vehicle carrying plate and the lower vehicle carrying plate are connected through a connecting rod to form a space used for parking, and the upper vehicle carrying plate and the lower vehicle carrying plate are integrally controlled to ascend and descend through the transmission mechanism. Supporting columns and a supporting table are installed on the bottom plate, and the upper vehicle carrying plate is flush with the ground after descending. The method is used for parking in the parking lot.
Owner:HARBIN CAMBRIDGE UNIV
High-integration novel marine direct-current main distribution board
ActiveCN111129967ASolve monitoring problemsSolve management problemsBus-bar/wiring layoutsSubstation/switching arrangement casingsElectrical and Electronics engineeringHandrail
The invention provides a high-integration novel marine direct-current main distribution board which sequentially comprises a first propulsion screen cabinet, a central control screen cabinet and a second propulsion screen cabinet from left to right. The first propelling screen cabinet, the central control screen cabinet and the second propelling screen cabinet are separated through aluminum alloyplates of a middle stand column; the first propelling screen cabinet, the central control screen cabinet and the second propelling screen cabinet respectively comprise two symmetrical cabinet door panels; handrails are respectively arranged on the two symmetrical cabinet door panels, and a cabinet door lock is arranged on a cabinet door panel on one side; a mechanical lower switch is installed atan upper corner of an opening and closing position of each cabinet door panel, when the cabinet door panels are opened, direct-current power supply maintenance lamps installed in the screen cabinets where the cabinet door panels are located are automatically lightened to automatically provide maintenance illumination, and the problem of switching-on and switching-off control over a storage batterypower station is solved.
Owner:XIAN YONGDIAN ELECTRIC
Mechanical explosive-filling device and method for filling explosive by using same
The invention discloses a mechanical explosive-filling device and a method for filling explosive by using the same. The mechanical explosive-filling device comprise a forced air input end connector, a forced air valve and a three-way pipe which are sequentially connected, wherein the forced air valve is connected with a first end of the three-way pipe, which is in the horizontal direction, one end of the three-way pipe, which is perpendicular to the horizontal direction, is connected with a first pagoda-shape connector, an explosive input pipe is connected with the first pagoda-shape connector, a second end of the three-way pipe, which is in the horizontal direction, is connected with a second pagoda-shape connector, and an explosive output pipe is connected with the second pagoda-shape connector; the mechanical explosive-filling device also comprises a cylindrical small-hole component, the hole diameter of one end of the small-hole component is larger than the hole diameter of the other end of the small-hole component, the end with a large hole diameter is longer than the end with a small hole diameter, the end with a large hole diameter is in matched and connected with the inside of the forced air valve, and the end with a small hole diameter is in matched and connected with the inside of the first end of the three-way pipe, which is in the horizontal direction. By using the mechanical explosive-filling device and method for filling explosive by using the device disclosed by the invention, the problem that ANFO (ammonium nitrate / fuel oil) explosive is filled difficultly can be solved, and labor cost for explosive filling and the number of drilled holes are lowered; moreover, the explosive-filling device is simple and is convenient to install.
Owner:中国上海外经(集团)有限公司
Integrated thermal management system for electric automobile
ActiveCN110667333AImprove heating effectShorten the timeAir-treating devicesSecondary cellsAutomotive engineeringHeating effect
The invention provides an integrated thermal management system for an electric automobile. According to the integrated thermal management system for the electric automobile, quasi-secondary compression can be realized both in winter and summer through the matching connection of hydraulic pipelines and electronic valves, and the heating effect in winter is greatly improved; compared with a traditional vehicle thermal management scheme, the system innovatively replaces an intermediate heat exchanger with a three-channel heat exchanger, a battery coolant is always allowed to participate in an airconditioning system, the number of valves is decreased, the system is simplified, and the requirements on an intelligent control system are lowered. Dual operation in winter and summer can be realized by the device, the cooling efficiency is improved, the consistency of a battery is ensured, thus the service life of a battery pack system is prolonged, meanwhile the problem of difficulty in starting and charging under the low temperature environment is solved, it is ensured that the battery can be operated in a suitable temperature range at different ambient temperature conditions, the cycle life of the battery is prolonged, and thermal comfort for passengers is ensured.
Owner:HENAN UNIV OF SCI & TECH
An agricultural irrigation system based on the Internet of Things
ActiveCN105028136BSolve charging difficultiesCollection saves time and effortWatering devicesCultivating equipmentsAgricultural engineeringThe Internet
Owner:内蒙古威凌自动化科技有限责任公司
LED street lamp with charging pile
PendingCN113503492APlay the role of shelter from rainEasy to chargeMechanical apparatusLighting elementsStructural engineeringMechanical engineering
The invention relates to an LED street lamp with a charging pile. The LED street lamp comprises a base, an external positioning sleeve seat and a charging pile body, wherein the charging pile body is provided with a charging pile assembly; the external positioning sleeve seat is provided with an illumination structure; the illumination structure comprises a street lamp pole arranged in the external positioning sleeve seat; the street lamp pole is provided with an adjustable rain shielding assembly; and the adjustable rain shielding assembly comprises a first mounting ring and a second mounting ring which are arranged on the outer wall of the street lamp pole, a first rotating frame and a second rotating frame which are fixed to the first mounting ring and the second mounting ring, an adjusting electric push rod connected to the second rotating frame, a rotating shaft arranged on an output shaft of the adjusting electric push rod, a connecting shaft rod rotationally connected with the rotating shaft, and a flashing board rotationally mounted on the first rotating frame. The LED street lamp with the charging pile is simple in structure and adjustable in rain shielding, so rain shielding and charging can be realized under the street lamp in rainy days; and the street lamp has a lighting mode which is flexible to adjust, so the LED street lamp is convenient to use.
Owner:JIANGSU RIYUEXINGCHEN PHOTOELECTRIC TECH CO LTD
Gas IC card system
InactiveCN102157032ASolve charging difficultiesImprove charging efficiencyApparatus for hiring articlesData terminalDatabase interface
The invention provides a gas IC card system comprising a gas IC card, a control center and a card reader, wherein the control center is provided with a database interface, a client terminal interface and an APN module interface so that the control center can be respectively connected with a data terminal, a client terminal and an APN module; the card reader is provided with a receiving end for receiving data on the IC card and an outputting end for outputting IC card data; and the system also comprises a household gas system. The household gas system comprises an MCU (Microprogrammed Control Unit), an IC card read-write module, a signal detection module and a memory module, wherein the MCU is provided with a port of the IC card read-write module, an interface of the signal detection module and a port of the memory module which is used for being respectively connected with the corresponding modules. Used for paying and monitoring gas fee, the gas IC card system is time-saving and labor-saving, and capable of solving the problem of difficulty in collecting fees, thus greatly improving the fee-collecting efficiency.
Owner:东本电气科技(苏州)有限公司
Electricity consumption payment settlement system and implementation method thereof
InactiveCN101738519BSolve charging difficultiesProtect interestsSpecial tariff metersApparatus for hiring articlesElectricity pricePurchasing
The invention discloses an electricity consumption payment settlement system and an implementation method thereof. The method comprises the following steps: converting the electricity purchasing advance payment paid by a user into usable electricity consumption, and allocating the usable electricity consumption to an electric energy meter module of the user; accumulating the electricity consumption used by the user in each time interval by the electric energy meter module in different time intervals, and recording and uploading the electricity consumption; according to the electricity price corresponding to the current time interval, carrying out payment settlement of the electricity consumption used by the user in different time intervals; and accumulating the final payment to the next electricity purchasing advance payment of the user. Because the settlement system in different time intervals related to dates is used, the invention solves the problem that the power department can not charge for the electricity easily after the user consumes the electricity in the past, and solves the problem that the electricity purchasing quantity of an IC card prepaid user can not be modified with the change of the electricity price. The invention enables the user to consume the electricity after paying and can carry out fair settlement according to the change of the electricity price, thereby simultaneously considering the benefits of both sides of supply and demand. Meanwhile, a credit mechanism is introduced, and the user is allowed to consume a reasonable quantity of electricity on credit, thereby enabling the benefits of both sides of supply and demand to be equal.
Owner:BAOLIDA ELECTRONICS SHENZHEN
Brushless DC motor vector control system and method based on alpha-beta current controller
InactiveCN110649844ASolve the problem of charging the bootstrap capacitorReduce commutation torque rippleTorque ripple controlVector control systemsBrushless motorsCapacitance
The invention relates to the technical field of motor vector control, in particular to a brushless DC motor vector control system and method based on an alpha-beta current controller. According to thecontrol system, three-phase current signals are collected through a current sensor, and then, a three-phase current under an a-b-c coordinate system is converted into a two-phase current under an alpha-beta coordinate system through a Clark converter. A speed controller outputs the modulus of a target space vector current according to a target speed n_ref and a feedback speed n, a space vector current distributor outputs a target two-phase current under the alpha-beta coordinate system according to the position of the rotor and the modulus of the target space vector current, a current controller outputs a two-phase voltage under the alpha-beta coordinate system according to a target current and a feedback current, and then, a three-phase full-bridge inverter is controlled through SVPWM (space vector pulse width modulation) to finish the driving of a DC brushless motor. According to the invention, the driving performance of the brushless DC motor can be improved, the commutation torqueripple can be reduced, and the problem that a bootstrap capacitor in a bootstrap driving circuit cannot be charged is avoided.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
Electric vehicle battery box temperature control system
ActiveCN110323514ALow energy consumptionImprove cooling efficiencySecondary cellsBattery packTubing types
The invention relates to an electric vehicle battery box temperature control system which comprises a finned tube type heat exchanger, a bubble pump, a control module, an electromagnetic valve A, an electromagnetic valve B, an electromagnetic valve C, a control module, a heater, a temperature sensor and a plate type heat exchanger. A heat exchange medium circularly flowing in the battery box temperature control system is a refrigerant; heat exchange is carried out through utilizing the bubble pump by means of the phase change of the refrigerant; pump consumption is reduced; the electric vehicle battery box temperature control system is small in area and high in efficiency; by combining the intelligent control module, a temperature of a battery pack system is controlled in a reasonable temperature interval; energy consumption is relatively low; and a service life of a battery is prolonged.
Owner:HENAN UNIV OF SCI & TECH
A shrinkable mesh hole protector, an installation method of the hole protector, and a hole protector method
ActiveCN113882806BShrinkableSimple structureBlastingDrilling machines and methodsStructural engineeringPipe
Owner:UNIV OF SCI & TECH BEIJING
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