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317results about How to "Fast drive" patented technology

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

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

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

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

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

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

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

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
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