102results about How to "Reduce driving difficulty" patented technology

The invention belongs to an auxiliary device for assisting in a backing and parking vehicle, in particular to an intelligent backing and parking radar. The intelligent backing and parking radar comprises radar probes arranged on the vehicle tail or on both sides of the vehicle tail, a microprocessor module, an acousto or optical alarm module and a steering state information data interface, wherein the radar probes, the acousto or optical alarm module, the steering state information data interface and the microprocessor module are connected with each other; and the microprocessor module real-timely adjusts the level of acousto or optical alarm signals correspondingly triggered by signal of each radar probe according to the steering state information read from the steering state data interface. The invention can maximally obviate false alarm of parking radars while steering and parking a vehicle and can also help drivers reasonably adjust the steering state to an optimal running trajectory in time.

The present invention is spring driven energy accumulating starting device and method for automobile. The spring driven energy accumulating starting device set onto the rear axle assembly can convert the heat energy of braking friction into potential energy stored in the elastic steel ring, convert the elastic potential energy of starting into the kinetic energy to drive the rear wheels, recover and utilize the energy consumed in the frequent stopping and starting, and raise braking performance and safety. The spring driven energy accumulating starting device possesses one potential energy storing device including sealed container and spring box; one kinetic energy absorbing and potential energy releasing device including outer shaft, inner shaft and rolling bearing in between; and one speed variator with potential energy inputting gear set and potential energy releasing gear set.

The invention provides a blue phase liquid crystal display device capable of achieving a visual angle controllable characteristic and a transflective characteristic. The device sequentially comprises an upper Polaroid, an upper lambda/4 double-shaft film, an upper lambda/2 negative A piece, an upper lambda/4 positive A piece, an upper substrate, an upper substrate IPS electrode, blue phase crystals, a lower substrate IPS electrode, a lower substrate, a lower lambda/4 negative A piece, a lower lambda/2 positive A piece, a lower lambda/4 double-shaft film and a lower Polaroid from top to bottom, wherein the upper substrate IPS electrode is an ITO electrode which comprises an upper substrate Pixel electrode and an upper substrate Common electrode, and the lower substrate IPS electrode is an aluminum electrode which comprises a lower substrate Pixel electrode and a lower substrate Common electrode. The box thickness of a transflective area is the same as the box thickness of a reflecting area, manufacturing difficulties are greatly reduced, meanwhile, the transflective area and the reflecting area have the same phase delay, driving can be conducted through a single gamma curve, driving difficulties are reduced, and meanwhile dual display characteristics, namely, the visual angle controllable characteristic and the transflective characteristic, are achieved.

The invention provides a single-man manual-control rotorcraft which is composed of a rotorcraft body, a rotor shaft cantilever tilt structure, a full-manual-control mechanism and a rotor head mechanism having an internal variable distance function. The rotorcraft body has a high-gravity center normal-three-point undercarriage structure, wherein the main rotorcraft body consists of a vertical column, a front beam, a back beam, an engine bracket and a front support beam. A steering wheel is arranged right ahead and empennages are arranged at the back. A driver seat and an engine are respectively at the front and the back of the vertical column. In the rotorcraft, a push-type propeller provides power and a three-point frame-type individual damping support mechanism having a rotor reactive force balancing device is used for balancing the reactive force generated to the rotorcraft body by air during operation of the rotor, so that the rotorcraft is improved in takeoff and landing stability. By means of the full-manual-control mechanism having a steering linking function, a driver can complete the operations comprising distance change of the rotor, rotor shaft tilt, flying direction turning and braking just like driving a motorbike.

The invention belongs to a stereo garage with a form of three upper carports and two lower carports. The stereo garage comprises a garage steel structure framework, a transverse moving frame, car carrying plates, transverse moving mechanisms, lifting mechanisms, a control system and an anti-falling device, wherein the control system controls the transverse moving mechanisms and the lifting mechanisms to move; the garage steel structure framework comprises a framework formed by fixedly connecting upright columns, a transverse beam and a longitudinal beam; the plane where the upright columns and the longitudinal beam are located is an in-out end surface for cars; the transverse beam of the garage steel structure framework is divided into two parts; a rectangular framework is formed by one part of the transverse beam, the upright columns and the longitudinal beam; the other part of the transverse beam stretches out of the rectangular framework; each transverse moving mechanism comprises a transverse moving motor and walking wheels; the transverse moving motors drive the walking wheels to move along the direction of the transverse beam; each lifting mechanism comprises a lifting motor and a transmission mechanism; the lifting motors are connected with the transmission mechanisms; the transmission mechanisms drive the two car carrying plates to do lifting movement. The stereo garage disclosed by the invention is simple in structure, convenient to use and lower in cost, seats need not to be reserved, in-out vehicles in the upper layer and the lower layer are not mutually influenced, and the car storing and taking efficiency is increased.

The invention provides a trolley bus current collector, comprising a trolley pole and a current taking mechanism, wherein the trolley pole is a single rod, the current taking mechanism comprises an ejector rod, an ejector rod connecting rod and a current collecting head, the ejector rod is in 'U'-shaped connection with the ejector rod connecting rod, and the current collecting head is flexibly connected to the ejector rod connecting rod. The trolley pole is connected with the ejector rod of the current taking mechanism through a rotary motor which controls the current taking mechanism to rotate within a certain angle of a radial direction plane of the trolley pole. The trolley bus current collector is suitable for loosing a thread and automatically catching the thread in running at any time, is easy to control, catches the thread accurately and has a low cost, thereby being very suitable for large-scale popularization and application.

The invention discloses an invisible aircraft carrier with high combat power and survivability. The invisible aircraft carrier is characterized in that: firstly, width of a flight deck is greatly reduced, the flight deck and the aircraft carrier body below the deck are changed to be more regularly strip-shaped, the surrounding outer surface of the aircraft carrier body is made into a structure that large areas of outward bent and inward bent planes are crossed, and an invisible material is additionally adhered to the outer surface of the aircraft carrier body or an invisible coating is additionally coated on the outer surface of the aircraft carrier body; secondly, an aircraft hangar with width of 40m and length of 200-300m is made on the lower part of the flight deck; or a vertical two-layer aircraft hangar is made below the aircraft carrier surface of a middle rear part so as to greatly increase the number of aircrafts carried by the aircraft hangar; thirdly, 4-5 flight flying and receiving hatchways are formed on the tail part of the flight deck and on two side edges or in the center of the aircraft carrier surface of the middle front part, and the aircraft carrier surfaces on the front parts of the four aircraft flying and receiving hatchways on the side edge of the flight deck are provided with catapults, or the forefront part of the aircraft carrier body is provided with a flying deck; and fourthly, the upper part of the flight deck on the aircraft carrier surface for landing and receiving aircrafts is provided with four or more arrester wires, and the aircraft carrier surface on the ahead part is provided with a barrier net. Thus, the aircraft carrier with high combat power and high invisibility can be made.

The invention provides a liquid floated rotor type micro gyroscope based on super-hydrophobic effect, which comprises a sealing cavity of which the inner wall surface has super-hydrophilic effect, wherein the cavity is filled with high-purity deionized water; a circular magnetic rotor of which the surface has hydrophobic effect is suspended in the middle of the high-purity deionized water; a stator and a detection electrode are installed outside the sealing cavity; the stator generates magnetic drive signals to drive the magnetic rotor to rotate at high speed in the sealing cavity; and the detection electrode can detect a deflection angle generated by additional angular speed when the rotor rotates at high speed. A layer of gas film is formed on the surface of the rotor because of super-hydrophobic effect and is suspended in the high-purity deionized water, thereby greatly reducing the resistance when the rotor rotates at high speed and improving the sensitivity and the accuracy of the micro gyroscope. The invention has the advantages of small rotation resistance of the sensor rotor, high stability, high sensitivity, easy processing, and the like.

The invention discloses a vehicle-mounted ultrasonic sensor system comprising a data acquisition system, a parking control module, a vehicle control system and a man-machine interactive system, wherein the data acquisition system collects data in different directions of a vehicle; the parking control module identifies the size of an unoccupied space around the vehicle and position information of the to-be-parked vehicle relative to a parking space, judges whether the size of the unoccupied space is larger than a set threshold value, plans a parking path according to the position information ofthe to-be-parked vehicle relative to the parking space, generates a control instruction, and divides parking state information according to the size of the unoccupied space around the vehicle; the vehicle control system controls a vehicle according to the control instruction output by the parking control module; and the man-machine interactive system includes control software and is used to receive vehicle data information and various data information of the vehicle-mounted ultrasonic sensor system, including a drawing area interface and an information display interface. The drawing area interface displays a vehicle model in real time, planned paths in the vehicle parking process and a vehicle real traveling track. The information can be displayed in real time, and the parking safety is ensured.

An automatic center regulating mechanism for the car is suitable for the entrance of garage or parking structure. It can align the central line of a car with that of its parking area, and is composed of a roller group consisting of several rollers parallel with each other and ground and symmetrical to the central line of lane and a centering guider which is a guide ring or long straight rods. When a car is running in the parking structure, its central line can be automatically regulated.

The invention discloses a scanning and driving method of two phases of line and column of a smectic state liquid crystal display. The method comprises a line scanning step and a column scanning step. A high-frequency unidirectional pulse applied in the line scanning step and the column scanning step respectively should be a positive or negative pulse simultaneously and needs to satisfy a following formula: Dh*Th*Qh* (M-1)=Dv*Tv*Qv* (N-1), wherein the Dh, the Th, and the Qh are a period, a duty ratio and the number of the pulse of the high-frequency unidirectional pulse in the line scanning step respectively, the Dv, the Tv and the Qv are the period, the duty ratio and the number of the pulse of the high-frequency unidirectional pulse in the column scanning step respectively, the M and theN are line and column number of the display screen respectively. According to the invention, a two-phase line and column scanning and driving mode is adopted. On a basis of unidirectional voltage waveform driving, DC equilibrium of a whole display period can be guaranteed, and normal display of an image can be guaranteed. It is simple to realize the unidirectional voltage waveform and driving difficulty is low.

The invention discloses a unidirectional pulse driving method of a smectic state liquid crystal display. The method comprises the following step: carrying out line-by-line scanning driving on a display screen, wherein scanning and driving one line comprises: applying corresponding voltage waveforms to each row and each column in a scanning phase; applying 0v voltage to all the rows and the columns in a group phase; applying the corresponding voltage waveforms to the each row and the each column in a DC equilibrium phase, wherein the voltage waveforms applied to the each row and the each column in the scanning phase has a certain of corresponding relationship with the voltage waveforms applied to the each row and the each column in the DC equilibrium phase. Therefore, by using the method of the invention, under the condition that DC equilibrium can be guaranteed during a whole period, scanning and driving can be realized only with the unidirectional voltage waveform. It is simple to drive the voltage waveform. Driving difficulty is low and hardware circuit cost is low.

The invention discloses a full-hydraulic driving type fruit tree pruning machine and equipment. According to the pruning machine and the pruning equipment, the problems that the pruning labor intensity is high, the production efficiency is low, and mechanized pruning devices are immature in the prior art are solved, and the requirements on pruning heights, pruning tree forms and pruning uniformityof different fruit trees can be satisfied. The technical scheme is as follows: the pruning machine comprises a pruning device, a stander assembly and a hydraulic system assembly, wherein the pruningdevice comprises an upper part pruning device, a middle pruning device and a lower part pruning device, the upper part pruning device is rotatably connected to the top end of the middle pruning device, and the lower part pruning device is rotatably connected to the bottom end of the middle pruning device; the stander assembly is rotatably connected with the middle pruning device, and the pruning machine can be moved along the horizontal and vertical directions relative to the stander assembly; and the hydraulic system assembly comprises an upper part adjusting oil cylinder, a lower adjusting oil cylinder and an angle adjusting oil cylinder, the upper part adjusting oil cylinder is used for adjusting an angle of the upper part pruning device, the lower part adjusting oil cylinder is used for adjusting an angle of the lower part pruning device, and the angle adjusting oil cylinder is used for adjusting an angle of the pruning device.

The invention provides a foldable-fan-type rotor wing used for vertical take-off and landing of an aircraft, and belongs to the technical field of aircrafts. The rotor wing is provided with a plurality of blades, which can be opened during take-off and landing and be folded during flight like a foldable fan. The rotor wing includes one or more rotating shafts in opposite rotating directions, each of the rotating shafts drives a plurality of shaft sleeves which are matched vertically to each other, and a plurality of the blades, each shaft sleeve connected to each blade. Each rotating shaft is connected to the lowest shaft sleeve and drives it to rotate, and successively, the lower one shaft sleeve drives the upper one shaft sleeve. One-directional matching structures are disposed on the upper and lower end surfaces of each shaft sleeve, thus forming upper and lower matching surfaces. A matching angle is formed by means of a rotatable space between the matching surfaces of the shaft sleeves. When the shaft sleeves rotate forwardly, locking driving is completed, and when the shaft sleeves rotate reversely, the shaft sleeves can freely rotate for restoration. The foldable-fan-type rotor wing can freely change the aerodynamic configuration of the rotor wing according to flight situation, thereby reducing resistance, improving lifting force, avoiding vibration, and achieving stable conversion and effective compatibility between two operation modes of vertical take-off and landing and horizontal flight. The foldable-fan-type rotor wing has cooperative mechanism, simple structure, low cost, high reliability and good adaptability, etc.

The invention discloses a rear wheel steering driving mechanism for an electric racing car and the electric racing car. A motor of the rear wheel steering driving mechanism is arranged at one end of amotor supporting seat, and a second gear is arranged on a rotating shaft of the motor; an encoder is arranged at one end of an encoder supporting seat, and an encoder synchronous pulley is arranged on an output shaft of the encoder; a first gear is connected with a lead screw in a threaded mode, and a lead screw synchronous pulley and the first gear are fixed; the two ends of the lead screw are rotatably connected with the two supporting seats; and the first gear meshes with the second gear, and the lead screw synchronous pulley is connected with the encoder synchronous pulley through a conveyor belt. The rotating shaft of the motor sequentially drives the second gear, the first gear, the lead screw, the lead screw synchronous pulley, the encoder synchronous pulley, and the output shaft of the encoder to rotate, data acquisition of the encoder is realized, rotating angle data of the first gear can be calculated according to the collected data, accurate control over the rear wheel steering is realized, the dynamic response is realized, and the problem that in the prior art, a rear wheel driving mechanism cannot realize the dynamic response is solved.

The embodiment of the invention provides a data display method and device, and the method comprises the steps: obtaining a display request which comprises a display mode and display data; Determininga previous area of the vehicle-mounted display screen according to the display mode, and analyzing and processing the display data; And displaying the analyzed display data on the region. According tothe method provided by the embodiment of the invention, the vehicle-mounted display screen can perform corresponding information display in a plurality of areas at the same time, so that the switching operation frequency of a driver is reduced, the vehicle safety problem caused by operations such as driver switching in the driving process is reduced, and the driving difficulty of a vehicle-mounted scene is reduced.

The sports bicycle capable of being used as scooter has a front wheel, a back wheel, a connection mechanism, steering mechanism on the front wheel and driving mechanism on the back wheel. It features that the driving mechanism includes support comprising straight rod with locating hole and cross beam and connected to the fork of the steering mechanism, spring on the support, pedal unit with locating pin matching the locating hole, and gear meshed to the inner teeth in wheel ring. The present invention integrates the functions of both scooter and bicycle, may be used as walking tool and for recreation and body building, and is especially suitable for amateur of extreme sports.

The invention relates to the technical field of traffic safety, and discloses a low-speed damping mechanism of a deceleration strip, the low-speed damping mechanism comprises a shell, the upper end of an inner cavity of the shell is movably sleeved with a movable block, the cross section of the movable block is T-shaped, and the lower end of the movable block is provided with a first movable cavity. By arranging the low-speed damping mechanism, when a vehicle passes through the deceleration strip at a low speed, after a tire is pressed on the upper surface of the movable block, air at the lower end of the movable block moves downwards into the air cavity through the vent hole when the movable block overcomes the elastic force of the first spring, so that the movable block moves downwards by a certain distance; therefore, the gradient of the deceleration strip on the road surface is reduced, the vibration amplitude is small when a vehicle with a low speed passes through the deceleration strip, and when the vehicle passes through the deceleration strip at a high speed, air at the lower end of the movable block cannot quickly move into the air cavity due to the small hole diameter of the vent hole, so that the height change amplitude of the movable block is small. Therefore, the effect of warning deceleration is achieved.

The invention provides a visual angle controllable blue phase liquid crystal display with a double-layer electrode structure. The visual angle controllable blue phase liquid crystal display comprisesan upper substrate, an upper substrate plane electrode, a liquid crystal layer, an upper layer pixel electrode, insulating layers, a lower layer pixel electrode, an upper-layer common electrode, a lower-layer common electrode and a lower substrate, the upper substrate and the lower substrate are arranged in parallel, the liquid crystal layer is made of blue phase liquid crystal materials, the upper substrate comprises a lambda/2 double-axis compensation film, an upper substrate polarizing film and an upper substrate glass layer, the lower substrate comprises a lower substrate glass layer and alower substrate polarizing film, the upper substrate polarizing film is perpendicular to the light transmission axis direction of the lower substrate polarizing film, the upper-layer pixel electrode, the lower-layer pixel electrode, the upper-layer common electrode and the lower-layer common electrode are arranged on the lower substrate at intervals, the upper-layer pixel electrode and the lower-layer pixel electrode are separated by the insulating layer, the upper-layer common electrode and the lower-layer common electrode are separated by the insulating layer, and by applying or not applying a bias voltage to the upper substrate plane electrode, the conversion between a narrow-view-angle mode and a wide-view-angle mode is realized. The visual angle controllable blue phase liquid crystal display with the double-layer electrode structure has the characteristics of being low in voltage, high in transmittance and convenient to operate.