75results about How to "Flexible space arrangement" patented technology

The invention discloses a hub motor-based electric automobile omni-directional steering system. The system comprises a central control system, a frame, a steering wheel and left front, right front, left rear and right rear wheels of the frame, and is characterized in that the frame is connected with a hub motor through a suspension seat which is fixedly arranged on a hub motor stator, wherein a rotor of the hub motor is fixedly connected with hubs of the wheels and is provided with a brake pad with brake calipers; the wheels all cooperate to finish steering motion through an independent steering mechanism and a linkage steering mechanism connected with the suspension seat. The electric vehicle using the omni-directional steering system can realize zero radius steering and cross running, the steering flexibility of the vehicle is good, the operation such as parking is easier, and the energy and the urban parking space are saved.

The invention relates to a new method for embedding a ground heat exchanger of a ground source heat pump, which is developed by a high-pressure jet grouting technology and can solve the following problems caused by current methods: the bearing capacity of a foundation of a underground pipe land is reduced; after the foundation bears a load, the foundation deforms and is easy to damage pipes, thus a space below a building cannot be sufficiently utilized; and hydraulic connections appear among water-bearing stratums. In the invention, curing agent slurries such as cement, and the like are used for jet grouting under high pressure or compulsively stirring by cooperating with the jet grouting to form solidifiable slurry to replace original soil for forming holes, and a special guider is used for inserting underground pipes into the holes or the underground pipes are simultaneously introduced at the same time of forming the holes. The method has the obvious effects of reinforcing the foundation and sufficiently utilizing the space below the building; the spatial arrangement is flexible, thus constructions can be carried out at arbitrary tilt angles; the strength of a formed reinforcing body is high, thus the underground pipes can be protected to prevent circulating liquid in the underground pipes from leaking; the reinforcing body has high bonding strength and good water isolating property with the soil stratums without breaking the water isolating property of a water isolating layer; and returned slurry in a construction process can solidify so as to be beneficial to environmental protection. The method can realize the embedding of the underground pipes below the existing buildings.

An optical imaging system includes five lens elements, the five lens elements being, in order from an object side to an image side: a first lens element having positive refractive power; a second lens element having negative refractive power; a third lens element having positive refractive power; a fourth lens element having positive refractive power; and a fifth lens element having negative refractive power.

The invention discloses an experimental device and a method for testing the performances of a tandem type hydraulic hybrid power vehicle, which belong to the experimental devices and methods for hybrid power. An engine, a constant-pressure variable pump, a central controller, a first hydraulic pump motor, a second hydraulic pump motor, a first dynamometer, a second dynamometer, a first inertial flywheel set and a second flywheel set of the device and the method are connected in a tandem way; all performances of the vehicle with different configuration ways are simulated in an actual working condition; the real running working condition of a hybrid power car is simulated through the loading and the measurement of the first dynamometer and the second dynamometer; an electric machine drives a constant delivery pump to supply a control oil source to the hydraulic pump motors; a stable control oil source is supplied to the hydraulic pump motors through adjusting the highest overflow pressure of a first overflow valve; and simultaneously, the central controller carries out coordination control on the engine, the hydraulic pump motors and the dynamometers by combining the energy storage state of an energy accumulator and measures relevant data to complete an experiment. The experimental device and the method have the advantages of convenience in operation and high integrated level.

The invention relates to a compound type cooling system for an engine. The compound type cooling system for the engine comprises a radiator, a circulation pipeline, an intercooler and a pipeline, wherein the radiator is used for providing refrigerants for the engine, the circulation pipeline is used for conveying the refrigerants for the engine, the intercooler is used for cooling gas output by an engine supercharger, the pipeline is used for conveying gas for the engine, an electronic control clutch fan is arranged on the radiator, a water temperature sensor is arranged on the circulation pipeline used for conveying the refrigerants, an electromotor fan is arranged on the intercooler, and a gas temperature sensor is arranged on the pipeline used for conveying the gas. The compound type cooling system is adjusted and is controlled by a logic controller, and a control circuit of the electronic control clutch fan, a control circuit of the electromotor fan, a transmission line of the water temperature sensor and a transmission line of the gas temperature sensor are connected with the logic controller. The compound type cooling system effectively solves the problem that the engine cannot normally carry out heat dissipation due to the fact that a fault of a generator occurs, the utilization rate of electric energy is improved, and space arrangement of the compound type cooling system is more flexible.

The invention relates to an ammonia gas automatic-supplying method of a solid ammonia system heated by using engine waste heat. The ammonia gas automatic-supplying method of the solid ammonia system heated by using the engine waste heat is characterized in that heating is conducted on an ammonia storage material main container and an ammonia storage material supplying container through a heating unit, when reaching a desorption temperature, ammonia materials in the main container release ammonia gas; and a pressure P1 in the ammonia storage material main container reaches a working pressure, a reducing-agent metering control unit DCU conducts metering on the ammonia gas, and the jet quantity of the ammonia gas is metered according to engine operating parameters (rotate speed, fuel consumption and the like) transmitted by an engine ECU. The ammonia gas is jetted into an exhaust pipe from the front end of an SCR catalytic converter, the ammonia gas and engine exhaust gas are mixed sufficiently, and under the effect of a catalyzer, NOx is decontaminated into harmless water and a nitrogen gas; and by utilizing the principle of the pressure difference formed between the pressure P1 in the ammonia storage material main container and a pressure P2 in the ammonia storage material supplying container, the ammonia gas automatic-supplying system convenient to achieve is designed; and the problem that the cruising capacity of an existing vehicle-mounted ammonia source is low is solved, and the ammonia gas automatic-supplying method of the solid ammonia system heated by using the engine waste heat is ingenious in idea, convenient to implement, high in reliability and good in economic efficiency.

The invention provides a hybrid power driving system and a vehicle, and belongs to the field of vehicle engineering. The hybrid power driving system comprises an engine, an electric motor and a hydraulic assembly. The hydraulic assembly comprises a hydraulic motor, a hydraulic pump optionally driven by the engine and/or the electric motor, the hydraulic pump is connected with the hydraulic motor through a pipeline and enables a rotor of the hydraulic motor to rotate through hydraulic transmission. The vehicle comprises the hybrid power driving system, and the rotor of the hydraulic motor is connected with wheels of the vehicle. The pipeline makes connection of the whole hybrid power driving system and spatial arrangement more changeable, and the mass is lower than that of a simple mechanical coupling power system. By using the hybrid power system, the fuel economy of the vehicle is improved.

The invention discloses a new energy automobile double-motor drive axle. The new energy automobile double-motor drive axle drive a left wheel and a right wheel on the same axle by two motors through two gear sets respectively. The double-motor drive axle is provided with two motor systems, and the motors of different powers and rotating speeds can be selected. According to the driving cycles, a vehicle control unit and a motor controller are used for controlling the rotating speeds of the motors, the working efficiency of the motors are brought into full play, and meanwhile the electronic stable control (ESC) function can be achieved. Due to drive of the two motors, the driving force of the single axle can be increased; due to the structure, no differential mechanism is needed, the structure can be simplified due to left and right independent drives, and the dead weight and cost of the traditional drive axle are lowered. Power is provided by two battery packs to the two motors, the service life of batteries is prolonged, and the using safety of the batteries is improved. The double-motor drive axle is of double-wishbone-type and MacPhersan-type suspension two structures.

The invention relates to an oblique-slotted steel plate shear wall. The oblique-slotted steel plate shear wall comprises a steel frame and at least one oblique-slotted steel plate with a plurality ofoblique slits, and the oblique-slotted steel plate is located inside the steel frame and is connected with the steel frame; the steel frame includes horizontally disposed steel beams, and columns which are connected with the ends of the steel beams and longitudinally arranged; and the long sides of the steel beams at the inner side of the steel frame are fixedly connected with connecting plates, and the connecting plates are connected with the oblique-slotted steel plate. According to the oblique-slotted steel plate shear wall, the problems of existing steel plate shear walls that the amount of steel consumption is large, the rigidity cannot be adjusted, the structure is complicated, the production process is cumbersome, and the cost is high can be solved, and excellent lateral force resistant parts are provided for the construction design of high-rise or super high-rise buildings in China.

The invention relates to a steel plate shear wall with holes and inclined slots, and application thereof. The steel plate shear wall comprises a thin steel plate and a pair of edge stiffening ribs parallelly arranged at two sides of the thin steel plate, wherein each diagonal of the thin steel plate is symmetrically provided with a pair of diagonal inclined slots; the thin steel plate is also provided with four triangular holes; and each triangular hole is located between two adjacent diagonal inclined slots. In use, the steel plate shear wall is connected with a framed girder. Compared with the prior art, the steel plate shear wall provided by the invention has the advantages of definite lateral load resistance mechanisms, capacity of withstanding reciprocating load, adjustable design parameters, superior ductility and energy-dissipating capacity, and the like; and the steel plate shear wall has simple overall structure, can be fully bolted with the framed girder, and is easy to construct and replace and widely applicable to multi-rise structures.

The invention discloses a fuel cell using a diffusion layer as a collector, which comprises a limited number of superimposed repetitive units. Each repetitive unit is composed of an anode plate, an H2diffusion layer embedded with a flexible wire electrode, an anode catalytic layer, a proton membrane, a cathode catalytic layer, an O2 diffusion layer embedded with a flexible wire electrode, and a cathode plate in turn. The electron transport of the fuel cell is outside the cell body, and the electrons are directly output to an external circuit from the flexible wire electrode embedded into theH2 diffusion layer 2, apply work to the external circuit and are returned through the flexible wire electrode embedded into the O2 diffusion layer. The operation route of electrons is shortened. The optional range of the component material is greatly increased while the internal resistance is reduced. The cost of the whole cell is reduced.

The invention relates to a motor rotor position detecting method and device. The device comprises at least one primary side coil and at least two auxiliary side coils, the primary side coil and the auxiliary side coils are electrically connected with compensating circuits respectively to form a resonance circuit with the specific resonance frequency, the resonance frequencies of the coils are consistent, magnetic coiling resonant wireless electric transmission between the primary and auxiliary side coils is achieved, the primary and auxiliary side coils work under the quasi resonant state or the resonant state, and the motor rotor position is detected through changes of the inductance between the primary and auxiliary side coils. Compared with the prior art, the device has the advantages of being good in frequency selectivity, high in interference resistance, flexible and varied in spatial arrangement, high in precision and the like.

The invention discloses a gyroscope launcher. The gyroscope launcher comprises a driving part and a rotating part, wherein the driving part is connected with the rotating part through a flexible shaft; and after the driving part is driven, the rotating part is driven by the flexible shaft to rotate, and the rotating part is used for accelerating rotation of the gyroscope. The driving part and therotating part are connected through the flexible shaft, and by virtue of the transmission mode of the flexible shaft and the bendable characteristic of the flexible shaft, the occupied space of the launcher is smaller, the space arrangement is more flexible, the launcher can be folded and stored, and the launcher is more convenient to carry; and moreover, the motion mode of the flexible shaft to the gyroscope launcher is relatively limited, so that support can be provided for implementation of different motion modes of the gyroscope launcher.

The invention discloses an extended-range electric vehicle power coupling thermal control system and a control method thereof, and the system comprises four cooling liquid loops which are an engine heating loop, an engine heat dissipation loop, a power battery heating loop and a power battery heat dissipation loop in sequence. The engine heating loop comprises an engine, a first electronic thermostat, a first electric water pump and a first temperature sensor which are sequentially connected in series; the engine heat dissipation loop comprises an engine, a first electronic thermostat, a heat exchanger, a first radiator, a first electric water pump and a first temperature sensor which are sequentially connected in series. The power battery heating loop comprises a power battery, a second electronic thermostat, a heat exchanger and a second electric water pump which are sequentially connected in series; the power battery heat dissipation loop comprises a power battery, a second electronic thermostat, a second radiator, a second electric water pump and a second temperature sensor. According to the system, rapid preheating and accurate temperature control of the power battery and the engine are realized, and the energy utilization rate of the whole vehicle is effectively improved.

The invention discloses a wood frame-log cabin type wall mixing structure system. The system comprises a log cabin type wall, a wood beam, a wood column, a wall through screw, a foundation anchor boltand an interlayer wall anchoring screw, wherein the wood beam and the wood column are connected through a metal connecting piece or a mortise and tenon joint to form a beam-column type wood frame, the wood beam or the wood column is connected with the log cabin type wall in a rabbet form, the log cabin type wall adopts the interlayer wall anchoring screw for connection between adjacent layers, the wall through screw is matched with a compression spring or a spring washer at the nut part, and transverse-grain pressed woods below anchoring base plates of the wall through screw, the foundation anchor bolt and the the interlayer wall anchoring screw are reinforced by adopting self-tapping screws. The system can realize industrial production in a factory and quick-assembly construction on site, and has the advantages of small transverse grain deformation and non-uniform settlement of the wall, excellent anti-seismic performance, repeated disassembly and assembly, good durability and the like at the same time.