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321results about How to "Fast drive" patented technology

Navigation method and navigation system

The invention relates to a navigation method and a navigation system. The navigation method comprises following steps: route search requests, including information of a departure place and a destination place, from the departure place to the destination place are acquired; a historically recorded driven route corresponding with the route search requests is searched from historically recorded driven routes based on the route search requests; and the searched historically recorded driven route is displayed. According to the navigation method and the navigation system, the historically recorded driven route is obtained based on the route search requests, so that it is convenient for users to drive according to an original drive route, and acquire the drive route quickly, step-by-step searching of the drive route based on locating information is not needed, and time is saved.
Owner:TENCENT TECH (SHENZHEN) CO LTD

Anti-unmanned aerial vehicle detection system and control method thereof

The invention provides an anti-unmanned aerial vehicle detection system and a control method thereof. The system comprises a camera provided with an optical lens, a displayer, an automatic tracking servo mechanism controlling the camera to move, a radar device, a main controller, an interference unit, and an image identification decoder storing unmanned aerial vehicle image information. By the adoption of a photoelectric surveillance radar device combining the radar device with an optical tracking system, radar detection, optical image identification and electromagnetic interference are integrated, and the system and method play an important role in improving organic integration of unmanned aerial vehicle monitoring, the optical system and the radar device.
Owner:TELECAST TECH CORP

Split-flow rectisol device

The invention discloses a split-flow rectisol device, which comprises an absorption tower, a medium pressure flash tower, a reabsorber, a hot regenerating tower, a methanol water tower, a tail gas washing tower, a plurality of heat exchangers, pumps and a circulation compressor; and the upper section of the reabsorber is provided with a flash distillation section. The split-flow rectisol device is not provided with a CO2 product tower, and reduces the complexity of the flow and the investment on the premise of ensuring that CO2 product gas is qualified. The split-flow rectisol device is provided with a novel split-flow rectisol (acid gas removal) flow for absorption from a semi-lean methanol liquid feeding absorption tower on the upper section of the reabsorber, reduces the dosage of lean methanol of the absorption tower, further can reduce the energy consumption of the hot regenerating tower for hot regeneration, and saves the dosage of gas stripping nitrogen, consumption of steam, and low level cold quantity used when the lean methanol is cooled.
Owner:SHANGHAI INT ENG CONSULTING

Ejector capable of directly releasing energy by using superconducting magnet

The invention provides an ejector capable of directly releasing energy by using a superconducting magnet, belonging to the field of a superconducting technology. The ejector comprises a low-temperature container shell, superconducting drive coils, an armature, a superconducting power supply, a supporting frame and an armature low-temperature container; the low-temperature container shell is a hollow and sealed container and multiple levels of superconducting drive coils are installed on the inner wall of the low-temperature container shell; and the ejection coil is distributed on the axis in a pipeline which is composed of the superconducting drive coils and the low-temperature container shell. The armature can flexibly move on the axis; each level of the superconducting drive coil is equipped with one superconducting power supply or several levels of the superconducting drive coils are equipped with one power supply. The ejector capable of directly releasing energy by using the superconducting magnet has the advantages that: the superconducting energy storage property is directly utilized and the superconducting power supply with smaller power can be used for charging a magnetic field to the superconducting drive coils, so that the electromagnetic drive force is stronger than that of the traditional design scheme which utilizes an impulse power supply to charge the fixed drive coil and is repelled with the armature. In the invention, the conversion process of the energy is simplified and the utilization efficiency of the energy is improved.
Owner:吴春俐

Differential amplifier, data driver and display device

A differential amplifier includes a differential amplifying stage and an output amplifying stage. The output amplifying stage includes a first transistor for pull-up, a second transistor for pull-down, a capacitor element, and switches. The first transistor for pull-up is connected across an output terminal and a high potential side power supply VDD and has a control terminal to which is connected a first differential output. The second transistor for pull-down is connected across the output terminal and a low potential side power supply VSS and has a control terminal to which is connected a second differential output. The switches interchangeably connect the capacitor element across the output terminal and the control terminal of the first transistor for pull-up or across the output terminal and the control terminal of the second transistor for pull-down.
Owner:RENESAS ELECTRONICS CORP

Two-box type impact testing box

The invention discloses a two-box type impact testing box. A hanging basket between a high-temperature box and a low-temperature box is moved to transfer a test sample and a room-temperature box does not need to be arranged, so that the defrosting time can be shortened, the consumption of electric quantity is reduced and the testing cost is saved; inner walls of the high-temperature box and the low-temperature box are respectively provided with a heating device and a refrigerating device; the circulation of air flow is driven by an impeller; the air flow rapidly and circularly flows to realize the effect of rapidly heating the test sample or refrigerating the test sample; an impeller, one heating device, an evaporator, a regenerator and the like are all located on the side wall of the high-temperature box or the low-temperature box; a motor drives the impeller to rotate to drive the air flow to flow in the front and rear direction of the box body; the air flow can rapidly flow and the distribution of the air flow is uniform so as to reduce the formation of frost and realize a long-time defrosting-operation-free circulating continuous test; a driving device for moving the hanging basket is arranged in a refrigerator cabinet rather than in the low-temperature box, so as to avoid influences on the driving device by the low temperature and rapidly move the hanging basket; the safety is high.
Owner:GUANGZHOU CEPREI INSTR & EQUIP

Mechanical and hydraulic combined transmission device

The invention relates to a mechanical and hydraulic compound transmission device which comprises an engine, a speed changer, a planetary gear box, a hydraulic variable pump, a hydraulic motor and a reduction gearbox; the engine is sequentially connected with the transmission speed changer and the planetary gear box, and a planetary gear mechanism of the planetary gear box distributes the power driven by the motor to respectively drive the hydraulic variable pump and a center gear; the hydraulic variable pump is sequentially connected with a transmission hydraulic motor and a half shaft, the half shaft converges mechanical power flow driven by the center gear and hydraulic power flow driven by the hydraulic motor and protrudes outside the planetary gear box to output the power, and a transmission gear box is connected with the half shaft to redrive a rear shaft to drive a vehicle. A special vehicle refit by the technology with a single-engine configuration can run at a stepless variable speed in a mechanical and hydraulic compound transmission mode, meanwhile, the vehicle can drive a vehicle-mounted operating device in the mechanical transmission mode; during transition, the mechanical transmission mode can be adopted to cause the device to run quickly, the power system occupies little vehicle space, and has low emission, high transmission efficiency and low oil consumption.
Owner:赵宏坚 +1

Manufacturing technique method of sheet material covering film and laminating machine thereof

The invention relates to a board tectorial membrane production technics and the used tectorial membrane device, which comprises a transmission roll table of floor, a delivering board drive device and a tectorial membrane device are arranged on the transmission roll table. The invention is characterized in that: a first test switch is provided at the entrance end by the transmission roll table, a cutting film device is arranged at the rear part of the tectorial membrane, the signal send by the test switch orders the feeding board drive device and the film cutting device to move. The tectorial membrane machine can realize the integration and atomization of the tectorial membrane and the cutting film, at the same time which can position accurately to finish the action of cutting film with high quality.
Owner:HUILON COATING IND

Inflatable automobile

ActiveCN101758865ALift cancellationEliminate lift dragVehicle body stabilisationAtmospheric pressurePedestrian
The invention provides an inflatable automobile which is characterized in that the lift force is eliminated by changing the fluid distribution state between the upper part and the lower part of an automobile to change the traditional method that the automobile overcomes the lift force by the weight in hundred years, and therefore, the weight factor does not need to be considered. The bodywork of the automobile is made of light materials; for example, the inflatable layer of the inflatable automobile can be integral or local and can be an outer layer or an inner layer, and meanwhile, a lead-in opening is communicated with a fluid passage, which can greatly reduce the fluid resistance when the automobile runs. In the inflatable automobile which is the lightest in the world, due to the fact that a path through which the fluid of the lower part of the automobile flows is longer than the upper part, and thereby, the pressure of the upper part of the automobile is slightly higher than that of the lower part, and like an invisible hand stably presses the shell of the upper part of the automobile; and compared with the traditional automobiles, the inflatable automobile is more stable and saves more energy when running at high speed. Because the bodywork is the inflatable layer, when an accident happens unfortunately, the self safety is ensured, and meanwhile, the safety of hit automobiles or pedestrians is also increased, the inflatable automobile saves the most energy in the world and is extremely safe.
Owner:朱晓义

System and method of piezoelectric electricity self-generating speed and distance intelligent monitoring

The invention discloses a system and a method of piezoelectric electricity self-generating speed and distance intelligent monitoring. The system comprises a speed and distance intelligent monitoring unit and a piezoelectric electricity self-generating unit. The speed and distance intelligent monitoring unit comprises a front piezoelectric belt and a rear piezoelectric belt which are laid under a road face in transversal and spaced arrangement and an intelligent controller. The intelligent controller is composed of an amplifying circuit module, a filter circuit module, a hysteresis comparator circuit module and a microprocessor module which are in sequential connection. An output end of the microprocessor module is connected with a digital readout warning plate. The piezoelectric electricity self-generating unit comprises a plurality of piezoelectric transducers, a rectification filter circuit and a storage battery. The method comprises the steps: 1, storage and supply of piezoelectric self-generated electricity and electric energy; 2, real-time collection and processing of a signal; 3, processing and display of speed information; and 4, processing and display of distance information. The system is novel and reasonable in design, environment-friendly, economical, capable of guaranteeing safe and rapid travel of a vehicle and reducing occurrence of traffic accidents and convenient to popularize and use.
Owner:CHANGAN UNIV

Liquid crystal turning additive, liquid crystal display device containing it and manufacturing method

The invention discloses a liquid crystal additive of optics compensating double refraction, a LCD containing the additive and the manufacture method. The additive includes one kind or several kinds of single bodies which can aggregate. After being irradiated on the direction adjusting layer, these single bodies form a kind of aggregation which has the liquid crystal array memory ability. Then, liquid crystal molecules can quickly switch from the spreading condition to the curved condition in the memory direction. Thus, the LCD needs a general driving circuit rather than a special high-press driving circuit to attain to the steady situation fast.
Owner:AU OPTRONICS CORP

Process for compact natural gas liquefying and floating production

The invention provides a process for compact natural gas liquefying and floating production and belongs to the field of chemical and cryogenic techniques. In the process, a modular design is adopted, and a liquefaction process consists of propane precooling circulation, double nitrogen expansion cooling circulation, natural gas heavy hydrocarbon removal and liquefaction pipe, wherein propane circulation is used for precooling natural gas and providing a nitrogen coolant; the double nitrogen expansion cooling circulation is used for deeply cooling and liquefying the natural gas; and the heavy hydrocarbon separation is realized by the cold energy generated in liquefaction. The process is suitable for producing liquid natural gas offshore and can prevent the influences of the shaking of a ship on a liquefying process.
Owner:CHINA NAT OFFSHORE OIL CORP +1

Electromechanical-hydraulic composite type main drive system of tunnel boring machine

The invention adopts a motor and hydraulic motor dual-input differential structure and a two-stage planetary gear pair transmission output mechanism by aiming at the defect of the traditional drive system of the tunnel boring machine. An electromechanical-hydraulic composite type main drive system comprises a power device, a variable-speed transmission system and a power input mechanism, wherein the power device is a dual-input power device and comprises a power input assembly motor and a power input assembly hydraulic motor, and an output end of the hydraulic motor is provided with a braking device. For the power input of the drive system, a manner of motor and hydraulic motor dual-drive differential input is adopted, and two output working conditions can be obtained by changing the drive manners of the motor and the hydraulic motor, so that the tunnel boring machine can be guaranteed in normal work and can be guaranteed to get out of troubles; and compared with a mechanical transmission manner, the hydraulic motor is rapid and stable in driving, can acquire large torque more easily, and further has the advantages of small size, high power-weight ratio, convenience for layout, long service life and the like.
Owner:DALIAN UNIV OF TECH

Parking space searching method and system

The invention provides a parking space searching method and system, and belongs to the field of the Internet. The method comprises the steps that a mobile terminal transmits a parking space searching instruction, containing target position information, to a server, so as to enable the server to search a first target parking lot in the position information of a plurality of parking lots according to the target position information, wherein the distance from the first target parking lot is a position corresponding to the target position information is less than a preset threshold value of distance; and the mobile terminal receives the position information, which is returned by the server, of the first parking lot. The method enables a driver to be able to quickly drive a car to a parking lot selected by himself or herself, and brings great convenience to the driver. Meanwhile, the method avoids automobile energy waste caused by that the driver spends a large amount of time in searching the parking lot.
Owner:重庆迪迪汽车科技有限公司

Offshore natural gas liquefying method and device

The invention relates to an offshore natural gas liquefying method and an offshore natural gas liquefying device. The method comprises the following steps of: 1) pretreating natural gas extracted from seabed, and inputting into a heat exchange cold box; 2) continuously reducing pressure and temperature of preset carbon dioxide gas in a carbon dioxide pre-cooling circulating system, and introducing the carbon dioxide gas into the heat exchange cold box; 3) compressing preset nitrogen in a double nitrogen expansion refrigeration circulating system into high pressure nitrogen, introducing the high pressure nitrogen into the heat exchange cold box, precooling by carbon dioxide, directly reducing pressure and temperature of one path of nitrogen by using an expander, continuously precooling the other path of nitrogen and reducing pressure and temperature by using the expander, returning the two path of low pressure nitrogen to the heat exchange cold box, exchanging heat, raising the temperature, lifting the pressure, reducing the temperature, and returning to the heat exchange cold box; and 4) precooling the pretreated natural gas by using the carbon dioxide gas in the heat exchange cold box, introducing into a heavy hydrocarbon separation unit, gradually cooling the natural gas by the returned nitrogen, removing the heavy hydrocarbon by using a gas-liquid separator and a rectifying column, cooling, throttling and reducing temperature by using a throttle valve, introducing a gas-liquid mixture into a buffer tank, introducing a liquid phase into a storage tank for storage, discharging a gas phase from the top of the buffer tank and collecting the gas phase.
Owner:CHINA NAT OFFSHORE OIL CORP +2

Micro-fluidic chip detecting reaction device with reagent storage function

Provided is a micro-fluidic chip detecting reaction device with a reagent storage function. The detecting reaction device comprises a micro-fluidic chip and a driving device; long-term storage, fast release, reagent driving and detecting reacting of a dry reaction reagent and a wet reaction reagent are achieved through cooperation of the micro-fluidic chip and the driving device, and finally POCT type on-site fast detection is achieved. The micro-fluidic chip comprises a reagent storage module and a detecting reaction module; the reagent storage module comprises a cover plate, a storage structure plate and a connecting structure plate; the detecting reaction module comprises a reactor; before detection, half of the reactor is embedded into a groove of a chip locating base, then the reagent storage module is placed on a chip butt joint base, and the reagent storage module is moved under guidance of a square guide rail to be in fast butt joint with the detecting reaction module. Thus, the two modules of the chip are fast assembled, and the micro-fluidic chip and the driving device are mutually positioned and fixed.
Owner:BEIJING UNIV OF CHEM TECH +1

Method and device for binding points of interest (POI) and roads

The invention discloses a method and device for binding points of interest (POI) and roads. Through the provided method and device, the POI and roads can be reasonably bound together. The method comprises the following steps: determining a road in a preset geographical range, which takes a POI to be bound as the center; calculating the vertical distance between the POI and the road, judging whether the vertical distance is smaller than or equal to a preset first distance threshold value; if the vertical distance is smaller or equal to the first distance threshold value, taking the node of the road as the start point and POI as the final point to design a first route, taking the POI as the start point and the node as the final point to design a second route; and if the length of the first route is smaller or equal to a preset second distance threshold value and the length of the second route is smaller or equal to a preset third distance threshold value, binding the POI to the road.
Owner:ALIBABA (CHINA) CO LTD

Magnetically driven bistable flexible actuator

The invention provides a magnetically driven bistable flexible actuator. The magnetic drive bistable flexible actuator comprises drive modules and guide modules. Each drive module is composed of a flexible driving layer and an elastic layer, and the elastic layer is fixed to the flexible driving layer and is in a stretched state. In the stretching direction of each elastic layer, magnetic fields with opposite magnetic directions are arranged in the two ends of the corresponding flexible driving layer correspondingly. The guide modules are multiple strip-shaped bodies, the strip-shaped bodies are fixed to the two ends of the magnetically driven bistable flexible actuator in a barb shape, and the barb orientation is the same as the stretching direction of the elastic layers. The driving modules generate driving force required by bending deformation, and the pre-stretched elastic layers provide restoring force required by rapid recovery of the flexible actuator. The magnetically driven bistable flexible actuator further comprises a supporting module composed of the high-strength elastic layers and used for guaranteeing the overall rigidity and quick response of the structure. The guide modules are used for ensuring that the flexible actuator always keeps an advancing posture and does not slide backwards during movement. According to the magnetically driven bistable flexible actuator, the response speed and the driving force of the flexible actuator are improved, the cost is low, and the manufacturing process is simple.
Owner:ZHEJIANG LAB

Tuner chip driving method and electronic device

Embodiments of the invention provide a tuner chip driving method and an electronic device. The method comprises the steps of detecting and obtaining identifier information of a current tuner chip; determining a configuration file corresponding to the current tuner chip according to the identifier information of the current tuner chip and a mapping relationship between the chip identifier and the configuration file; and driving the current tuner chip by adopting the configuration file corresponding to the current tuner chip. Therefore, the identifier of the tuner chip is automatically detected after the tuner chip is assembled, and the corresponding configuration file is automatically matched for quickly finishing the driving without specially adding the configuration file to drive the tuner chip.
Owner:HISENSE VISUAL TECH CO LTD

Anode carbon block conveying equipment and conveying method

The invention discloses a conveyer and particularly relates to a piece of anode carbon block conveying equipment and a conveying method. The anode carbon block conveying equipment is structurally characterized in that a lower bracket is installed at the bottom of a fixed frame; the middle part of a horizontal moving cylinder is hinged with the lower bracket; one end of the horizontal moving cylinder is hinged with an upper bracket, the upper end of which is connected with a movable frame; a slideway is installed at the lower end of the movable frame; a roller is installed in the slideway; and a lifting control device used to control the lifting of the movable frame is arranged between the roller and the movable frame. The anode carbon block conveying equipment has the advantages and effects that the anode carbon block conveying equipment can smoothly and accurately convey the carbon block to the right place and can move quickly in the return journey so as to improve the work efficiency, and the anode carbon block conveying equipment is simple in structure, long in service life and low in cost.
Owner:SHENYANG BOYU TECH

Double-clutch active planetary gear train obstacle crossing robot and control method thereof

The invention discloses a double-clutch active planetary gear train obstacle crossing robot and a control method thereof. The double-clutch active planetary gear train obstacle crossing robot is formed by connecting a chassis and four groups of planetary gear drive devices, wherein in the planetary gear drive devices, a first clutch of a double-clutch is coaxially connected with a first transmission gear through a hollow shaft sleeve, a second clutch of the double-clutch is coaxially connected with a third transmission gear through an input shaft; the second transmission gear meshes with the first transmission gear; a fourth transmission gear meshes with the third transmission gear; the second transmission gear is coaxially connected with a sun gear of a planetary gear train mechanism through an output shaft; the fourth transmission gear is fixedly connected with a planet carrier of the planetary gear train mechanism through a connecting frame; a shock absorption wheel is coaxially arranged on a planet wheel of the planetary gear train mechanism; and the control method is characterized by realizing driving on the flat road or crossing obstacles through controlling the separation and reunion of the double-clutch and utilizing the principle of the planetary gear train. The double-clutch active planetary gear train obstacle crossing robot provided by the invention not only can quickly move on the common road, but also can smoothly cross the obstacles under the large loading condition, and is compact in structure and good in shock absorption.
Owner:JILIN UNIV

Method for preparing low-voltage-driven electro-induced shape memory composite material

InactiveCN107652465AImprove conductivityGuaranteed basic shape memory effectLow voltageNetwork structure
The invention discloses a method for preparing a low-voltage-driven electro-induced shape memory composite material. The method comprises the specific steps of: immersing a three-dimensional porous material in silver nanowire dispersion liquid, taking the three-dimensional porous material out, and performing drying and assembling to form a three-dimensional silver nanowire conductive network; mixing a shape memory polymer base material with the conductive network through vacuum casting, and conducting high-temperature curing to obtain the low-voltage-driven electro-induced shape memory composite material. According to the method for preparing the low-voltage-driven electro-induced shape memory composite material, the conductive network filler can be dispersed in the polymer base material more effectively through a simple and effective process, and by means of the prepared low-voltage-driven electro-induced shape memory composite material, the problems of high driven voltage and low reply speed, which are caused by the poor whole conductivity due to low degree of dispersion of the conductive filler inside a material or an unstable network structure, are overcome.
Owner:SOUTH CHINA UNIV OF TECH

Light-emitting pixel arrangement structure, pixel multiplexing control method and electronic equipment

The invention discloses a light-emitting pixel arrangement structure, a pixel multiplexing control method and electronic equipment. Relates to the technical field of display, in particular to a pixel multiplexing control technology. The problem that an existing pixel arrangement and control method is prone to causing deformation of a display image is solved. For an interlaced same-primary-color light-emitting pixel arrangement structure, a triangular structure formed by three different-primary-color pixels is used as a display unit, and all the display units form a matrix display structure; according to the control method, virtual display of a frame of picture is completed through four times of progressive scanning or two times of progressive scanning or pre-calculation and one time of scanning. The method is suitable for control of any existing display structure with a plurality of point or block light sources as light-emitting pixels, and is especially suitable for control of display structures with LEDs as light-emitting pixels. The definition is improved, deformation of the display image is avoided, edge color lines cannot appear when the display screen is cut, the pixel resolution is high, and the image edge fusion degree is improved.
Owner:CHANGCHUN CEDAR ELECTRONICS TECH CO LTD

Method and system for dealing emergency status utilizing GPS terminal

This invention relates to the use of GPS terminal system and its replication method of emergency situation, which make emergency vehicles move quickly in emergency situations. So said method includes when the GPS terminals of emergency vehicles transmit emergency information to emergency information management center, after receipt of said emergency information, the center transmit warning information used for hinting the driving emergency vehicles to the GPS terminals of common vehicles, while the GPS terminals of common vehicles who receive said warning information will prompt the user received warning information.
Owner:LG ELECTRONICS (CHINA) R&D CENT CO LTD

Efficient boost circuit for electromagnetic valve drive

The invention discloses an efficient boost circuit for electromagnetic valve drive. The circuit comprises a CPLD (Complex Programmable Logic Device) (1), a field effect transistor drive circuit (2), a switch circuit (3), a voltage detection circuit (4), a voltage comparator (5), a charge current comparator (6), a current amplifier (7) and a rotating speed detection circuit (8), wherein all the modules form two return circuits; and a dual-closed-loop feedback system is formed to realize the target of controlling connection current of a boost switch tube and the voltage of a boost capacitor. According to the invention, the boost voltage and the boost current can be conveniently and flexibly arranged through software, and the efficient boost of 100V for the electromagnetic valve drive is realized, thereby realizing the rapid drive and response capacity of an electromagnetic valve with the characteristics of high rotating speed, long oil supply duration and large current; and the efficient boost circuit for the electromagnetic valve drive is high in reliability and flexible in parameter regulation, and realizes the accurate control on the boosting current and the boosting voltage.
Owner:NO 70 INST OF CHINA NORTH IND GRP

Optical modulating device having gate structure

An optical modulation device includes a plasmonic nano-antenna layer, a metal layer that faces the plasmonic nano-antenna layer, and a permittivity variation layer and a dielectric material layer between the plasmonic nano-antenna layer and the metal layer. An active area formed in the permittivity variation layer according to an external signal may function as a gate that controls optical modulation performance.
Owner:SAMSUNG ELECTRONICS CO LTD +1

Windmill electricity generation self-powered and self-charging device for a battery electric vehicle

The invention discloses a windmill electricity generation self-powered and self-charging device for a battery electric vehicle, and relates to the field of air energy and wind energy utilization. On the basis of a charging and powering control circuit of a battery electromobile, a battery pack of the battery electromobile and a power motor of the battery electromobile, a windmill electricity generation system device and a central control system device are added. The windmill electricity generation self-powered and self-charging device for the battery electric vehicle is characterized in that air energy and wind energy are converted into mechanical energy by the windmill electricity generation system, the mechanical energy is then converted into electric energy by the windmill electricity generation system device, the electric energy is transmitted to a charging and powering control circuit after being adjusted and controlled by the central control system device, the charging and powering control circuit and the battery pack drive the power motor to work, and electricity generation and self powering of a windmill are achieved.
Owner:许有洪

Wheel and crawler type dual-purpose wheelchair for both roads and stairs

The invention relates to the technical field of wheelchairs, particularly to a wheel and crawler type dual-purpose wheelchair for both roads and stairs. The wheelchair comprises a frame, a seat, front wheels, rear wheels, a direct-current gear motor, a gear transmission system, a crawler transmission mechanism, posture adjusting mechanisms and leveling mechanisms, wherein the direct-current gear motor drives the front and rear wheels to move through transmission connection of the gear transmission system and the crawler transmission mechanism; the leveling mechanisms are arranged on two sides of the front end of the seat, adopt symmetrical structures and are formed by movable hinge of a plurality of connecting rods; the posture adjusting mechanisms are arranged on two sides of the lower part of the seat, adopt symmetrical structures and are formed by movable hinge of a plurality of connecting rods; and both the crawler transmission mechanism and the gear transmission system are arranged on two sides of the lower part of the seat and adopt symmetrical structures, the crawler transmission mechanism is formed by rotating connection of a plurality of crawler wheels and connecting shafts, and the gear transmission system is formed by rotating connection of a plurality of gears. The wheelchair can be moved on the flat ground quickly and is safe in going upstairs and downstairs, comfortable, stable, high in practicability and high in operability.
Owner:HEBEI UNIV OF TECH

Graded exit control method for intelligent terminal of intelligent substation

The invention discloses a graded exit control method for an intelligent terminal of an intelligent substation. GOOSE messages sent by a relay protection and monitoring device are received in real time by an intelligent inspection method; steady state messages and sudden change messages are subjected to intelligent judgment receiving processing, so that the real-time property of quick action exit is ensured, and CPU (central processing unit) resources are prevented from being massively occupied for a long time to avoid influencing the stability of a device and the processing of other tasks; meanwhile, protection control commands of a circuit breaker and a disconnecting link are analyzed and distinguished into different priorities, pre-exit is combined with a CPU and an FPGA (field programmable gate array) on hardware, and the quick and reliable exit is realized in a time range of 4-7ms according to different priorities finally.
Owner:XJ ELECTRIC +1
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