1119 results about "Speed bump" patented technology

A digital media recorder and a method of controlling such are provided. During attempts to copy media content, sub-sequences are extracted from an input media sequence. A digital fingerprint of the sub-sequence is calculated and compared with at least one first reference fingerprint from a database. The outcome of the comparison determines the action to take in the further processing. Recording of the input media sequence on a media carrier is either allowed or obstructed, e.g. disallowed. In the case recording of the sequence is allowed, the database is updated with information that the digital media sequence has been recorded.

A retractable speed bump helps control the speed of a vehicle traveling through a special speed zone such as a school zone or a road construction site. A housing is either buried in the roadway or is placed into a ramp that seats on top of the roadway, the housing having a retractable canister therein, which canister extends above the housing in response to the speed of a vehicle as detected by a speed sensor. The greater the speed of the vehicle, the greater the level of extension of the canister. The canister may have tire shredding spikes or explosive charges therein.

The present invention relates to a method of using nanopore to obtain sequence information of an unknown structure (unknown DNA) in a ss test DNA. The method comprises using speed bump to stall the ss test DNA in the nanopore at random positions of the ss test DNA to obtain sequence information of each and every nucleotides of the unknown DNA, and to construct the whole sequence of the unknown DNA. The present invention also relates to a novel method of trapping a ss test DNA in a nanopore using two bulky structures formed under different conditions (e.g. different temperature), and the bulky structures are able to keep the ss test DNA trapped in a nanopore at a working temperature.

A portable speed bump unit having a plurality of speed bump cells removably and pivotally connected together to form a single PSB unit of variable length. Each speed bump cell comprises a plastic base having a rectangular footprint, a raised top surface, and a cross-sectional profile that is generally trapezoidal or semi-circular in shape. The speed bump cells are interconnected via one or more hinge bars that are pivotally connected together, thereby allowing two adjacent speed bump cells to be folded together such that an entire PSB unit can be rolled up for easy retrieval, portability, and storage purposes and simply unrolled to an extended position for deployment and use. Alternative embodiments of a portable speed bump unit incorporate safety features, e.g., reflective materials and / or lights, into one or more portable speed bump cells, or a controller into one or more portable speed bump cells for controlling a means for counting vehicles, a means for activating an alarm, or a means for heating the portable speed bump cells.

The automatic speed bump is installed in a roadway to discourage motor vehicle travel at excessive speeds. The device includes a box-like structure set into the surface, the box having upper edges flush with the surface. Two doors are hinged to the box along their opposite edges. Concentric spring and shock absorber assemblies lift the centers of the doors to create a speed bump. A guide strut is installed between each spring and shock absorber assembly to maintain alignment of the apparatus. The springs and shock absorbers retract at a predetermined rate when a standard motor vehicle encounters the raised doors at a reasonable speed. The doors folding flush with the surface to allow the vehicle to travel over a flat surface. The shock absorbers cannot retract faster than their predetermined rate, resulting in the doors remaining raised when a vehicle travels over the device at higher than reasonable speed.

The invention discloses a spike-type traffic signal lamp. The traffic signal lamp comprises a pedestal and a face cover, wherein the pedestal and the face cover are connected fixedly. Cross sections of the face cover are trapezoid in directions that are extended along a road and an accommodation space is formed between the pedestal and the face cover. A waterproof LED module group, a controller and power supply equipment are fixedly arranged in the accommodation space. A first transparent window is arranged on a surface that faces a vehicle and a light-emitting surface of the waterproof LED module group faces the first transparent window. The waterproof LED module group comprises a red LED lamp and a green LED lamp, wherein the red LED lamp and the green LED lamp are arranged regularly. And the controller receives a traffic signal from a traffic command center and controls an LED lamp with a corresponding color to be lightened. According to the invention, the spike-type traffic signal lamp is arranged on a road; the traffic signal lamp is synchronized with a traffic signal command system and displays a real-time traffic indication signal; meanwhile, the spike-type traffic signal lamp can also play a role as a deceleration strip of the road.

The invention discloses a barrier-free automatic lifting speed bump and a control method. The speed bump comprises a radar speed indicator, four guide rails, a speed reducing plate, four sliding wheels, a plurality of upper supporting rods, a plurality of lower supporting rods, a plurality of link rods, a left push-pull rod, a right push-pull rod, two groups of push-pull electromagnets, a plurality of push-pull springs, a thrust electromagnet, a plurality of thrust springs, a thrust rod and a control device. The barrier-free automatic lifting speed bump has no barrier to the normal running vehicles, and can forcibly decelerate the over-speed vehicles, so that the road running comfortableness and the running safety can be improved, the noise is reduced, the service life of a tyre is prolonged and the overhauling expense is reduced. In addition, the control method is simple and convenient.

The invention belongs to a vibration generating set. According to the device, a large sector gear, a small gear and an amplification swing mechanism of a swing rod are used for amplifying the linear displacement of a top rod, then the amplified linear movement is converted into unidirectional rotation motion by a rack and a gear bank, the torque applied to a rotor of a permanent magnetic synchronous power generator is high in frequency, the output electric power is large, and the permanent magnetic synchronous power generator has higher electro-mechanical conversion efficiency, adopts a flat power generator structure, is favorable for mounting, so the size of the generating set is reduced. The pressure mechanical energy generated when a vehicle passes by the speed bump is used for power generation, the vibration generating set has higher power density, is environment-friendly and solves the power supplying problem of road affiliated power utilization facilities, and energy waste caused by centralized power supplying and use cost are reduced.

A speed bump detection apparatus may include a sensor for measuring driving data of a vehicle during forward driving of the vehicle, and a controller for monitoring generation of external disturbances of front wheels and rear wheels and determining presence of a speed bump, in which the controller determines that the speed bump is present when |L−S|≦K, when an external disturbance is generated in a rear wheel, where L is a wheel base of the vehicle, S is a movement distance of the vehicle after an external disturbance is generated in a front wheel, and K is a preset threshold value.

The invention provides an automobile service braking efficiency dynamic monitoring and alarming system, and belongs to the fields of automobile electronics and safety technologies. The system is characterized in that an output end of an original automobile card reader, an output end of an original automobile CAN bus, an output end of a gyroscope and an output end of a brake pedal sensor are connected with an input end of an information collection and control unit respectively; firstly, the information collection and control unit collects automobile pitch angles through the gyroscope, and the gradient of a monitored road is not more than 1%; secondly, the information collection and control unit detects the maximum deceleration of an automobile in the ABS working process, and the adhesion coefficient of the monitored road is not less than 0.7; thirdly, the information collection and control unit eliminates working conditions like pits, deceleration strips and road steps according to the maximum braking deceleration of the automobile; fourthly, the information collection and control unit monitors brake pedal strokes through the brake pedal displacement sensor so as to distinguish emergent brake working conditions. The CAN bus is used for collecting ABS wheel speed signals, the initial speed of braking is estimated in a maximum wheel speed method, MFDD is computed in real time combined with braking deceleration signals and is compared with a pre-stored standard value, and the compared result is sent to the alarming device to give an alarm to a driver. The automobile service braking efficiency dynamic monitoring and alarming system can carry out on-line monitoring and estimation on service braking efficiency and can be a great help for preventing traffic accidents caused by service braking efficiency abnormity, and is simple in structure, easy to realize and low in cost.

The invention relates to an automatic generating system which uses the vehicle decelerating plate or decelerating belt, wherein it comprises: a decelerating plate or decelerating belt, non-liner spring, transmission device, generator and a frame; said transmission device comprises a tooth rod whose top via hinge and decelerating plate or belt to realize movable connection, the tooth bar at the end of tooth rod, a ratchet meshed with tooth bar, the gear couple coaxially arranged with ratchet, and a generator; the upper part of frame is the decelerating plate or the decelerating belt embed chamber; the middle part is the tooth rod motion guide chamber; and the lower part is the generating accumulating chamber. The invention can effectively utilize the energy consumed by decelerating plate, to generate electricity. And the flexible system is mounted under the decelerating plate, to improve the safety and service life of vehicle.

A speed hump device for discouraging vehicles form exceeding a designed threshold speed is disclosed. The speed hump device mainly comprises: a housing device, whose figure is like a box, having a housing room therein and a opening thereon; a hump device with a hump member and a arc-shaped member pivoted on the housing device by a first pivot, the hump member can be rotated in and out the housing room from the opening about the first pivot; a transmission device including a gear set, a transmitting mechanism and a abutment member, wherein the arc-shaped member is engaged with one gear of the gear set; a rebound device used to push the hump member out the housing device when no extra force presses on the hump member. When a car passing through the speed hump device with a slow speed, e.g., below a threshold speed, the abutment member will be put down and the hump member can be depressed in the housing room by the wheels of the car, hence the hump member as a jolt will disappear and the car will traverse smoothly; on the contrary, if the speed of the car is over the threshold speed, the hump member will be still in the position out the housing room that a jolt will occur to cause a impact effect to the car. Additionally, the hump member of the speed hump device will have an impedimental effect to a car goes against the traffic flow direction. Moreover, it does not consume any additional energy to drive the speed hump device.

The invention relates to a highway deceleration strip generating set comprising a road surface part and a host part, wherein the road surface part comprises a deceleration strip and a cylinder group in the deceleration strip. A piston of the cylinder group is connected with a pressed body, the pressed body is higher than the deceleration strip, and the cylinder group is also connected with an airinlet pipeline and an air outlet pipeline; the air outlet pipeline is connected to a single-action cylinder of the host part; the single-action cylinder drives a rack, and the rack is joggled with a unidirectional force transferring gear sleeved on a first shaft; the first shaft is also provided with an unidirectional clutch and a pair of joggled reduction gears; reduction gear shafts are connected with a pair of bevel gears joggled in 90 degrees, and bevel gear shafts are connected with a cam; the first shaft is connected with a second shaft through a spline and a spring, and the second shaftis sheathed with a push disc touching the cam; the second shaft is connected with a third shaft through a jack clutch mechanism; the third shaft is sheathed with a plane volute spring and a unidirectional force transferring acceleration gear; the unidirectional acceleration gear is connected to a generator through a multiple-stage acceleration gear; and the generator is connected to a storage battery. The generating set occupies small area of a road surface and can continuously store energy.

The invention provides a mechanical deceleration strip power generation device. The mechanical deceleration strip power generation device comprises a movement form converting part, a timing part and an energy-storage power generation part. The movement form converting part mainly comprises a deceleration strip, a return spring, a box, a rack, a gear ring, ratchet wheels, pawls, and a gear mechanism, wherein the rack is fixed below the deceleration strip, the gear ring is engaged with the rack, the ratchet wheels and the pawls are fixedly connected to the two sides of the gear ring, and the gear mechanism is fixedly connected with the pawls. The timing part comprises a clutch, a contact arm mounted on a disc, and a timing travel switch. The energy-storage power generation part comprises a volute spiral spring, an overdrive gear, a power generator and a storage battery. According to the mechanical deceleration strip power generation device, descending and ascending of the deceleration strip are converted into unidirectional movement through two coaxial ratchet wheel mechanisms in opposite directions, and the travel switch is used for controlling the clutch for combination and separation, so that the power generation time of the volute spiral spring is controlled, the purpose of energy recovery is achieved, and the energy utilization rate is increased.

A retractable speed bump mounted in a street, road or roadway for controlling the speed of vehicles, which includes three main components: enabling bar, bump, and a link mechanism. The speed bump rests in the grooves on the road surface when it is not in operation. When a vehicle moves over the enabling bar, the tire runs on top of the enabling bar, pushing the enabling bar downward. This downward force triggers the link mechanism and pushes the bump up out of the grooves on the road surface. In one embodiment according to the present invention, the link mechanism is a class 1 lever.

The invention discloses an intelligent road deceleration belt at a traffic light intersection, which is convenient for decelerating and intercepting vehicles. The intelligent road deceleration belt includes a speed measuring device, an automatic lifting deceleration belt, and an automatic lifting and intercepting belt that are sequentially arranged on the road surface at the traffic light intersection along the driving direction of the vehicle. The belt and the traffic lights also include a controller, and the speed measuring device, the automatic lifting deceleration belt, the automatic lifting interception belt and the traffic lights are respectively electrically connected to the controller. The intelligent road deceleration belt of the present invention can control the automatic lifting deceleration belt and the automatic lifting interception belt according to the driving speed of the vehicle and the duration of the traffic light, so that the vehicle can safely and slowly drive through the traffic light intersection, thereby not only reducing the driving speed of the vehicle, Vehicles can also be intercepted to prevent vehicles from crossing the intersection during the short green light time or yellow light period or driving ahead of time when the red light is about to end, so as to ensure the safety of pedestrians passing the road and avoid causing traffic accidents.

The invention discloses an intelligent magneto-rheological deceleration strip. The intelligent magneto-rheological deceleration strip comprises a deceleration strip, a spring, a connecting shaft I, a connecting shaft II, a working panel, a driven friction plate unit, a drive friction plate unit, an annular magnet, an annular magnet yoke, a wire winding, a magneto-rheological fluid, and a control module; a square elongated slot is opened in a lane speed limit area perpendicular to the length direction of the lane; a rectangular tank filled with the magneto-rheological fluid is placed inside the square elongated slot; the working panel which is provided with strip-type through holes and the drive friction plate unit on the surface thereof is placed inside the rectangular tank; the upper and lower surfaces of the working panel are further respectively fixed with the connecting shaft I and the connecting shaft II; the other end of the connecting shaft I is connected with the deceleration strip; the other end of the connecting shaft II is wrapped with the wire winding and inserted into the annular magnet and the annular magnet yoke inside a circular blind hole at the bottom of the square elongated slot. The intelligent magneto-rheological deceleration strip can automatically adjust the rigidity of the deceleration strip based on the car speed, thereby decelerating a high-speed car, whereas letting a low-speed car pass through comfortably. The intelligent magneto-rheological deceleration strip is simple in structure and good in economical efficiency.

The invention provides a solid-liquid state converting rubber speed bump based on an electrorheological principle, and relates to the technical field of rubber. The solid-liquid state converting rubber speed bump based on the electrorheological principle comprises a highway, a conductive column is fixedly connected to the inner bottom wall of the highway, a first spring connected with the outer side of the conductive column in a sleeving mode is fixedly connected to the inner bottom wall of the highway, and a rod rack is fixedly connected to the top of the first spring. According to the solid-liquid state converting rubber speed bump based on the electrorheological principle, through cooperative use of turbid liquid and a piston block, when a vehicle slowly passes through the rubber, gravity of the vehicle can enable the turbid liquid in the rubber to extrude downwards and enable the piston block to move downwards, the first spring is compressed, so that the bottom of the rod rack is in contact with the conductive column, an electric block communicates with a circuit, the turbid liquid becomes hard after being electrified, the vehicle can be born, at the moment, the height of the top of the rubber is nearly flat with the top of the highway, when the vehicle passes through, jolt cannot be generated nearly, so that the effect of improving the vehicle comfort level is achieved, the flexibility is greater, vibration of the vehicle can be effectively reduced, and the comfort level is improved.

The road deceleration strip generator device has bottom support and hydraulic cylinder at the bottom of the inside of the case, a shaft connector linking a compression bar that has a compression plate and an upper support plate with a cylinder bar, the compression bar cased by a guiding sheathing with an outside locating sleeve that is fastened on the inner wall of the case by the locating plate. A compression spring that's up and bottom ends contact with the upper and bottom support respectively, cases around a hydraulic cylinder and a compression bar. Inside the upper end of the case fastens a support plate and a fastening plate that fits with the compression plate in restraint. The inlet and outlet of the hydraulic cylinder connects with a hydraulic system made of an oil tank, a hydraulic tank, a hydraulic motor and a accumulating with the hydraulic motor connected with the generator. This equipment is reasonable in design, simple in structure, energy saving, environment friendly, low in running cost, efficient and reliable in operation.

The invention provides a rotary type high-speed bump test device for a circular test piece. The device comprises a rotary base, a rotary panel and a circular test piece fixing device, wherein the rotary base is connected with the rotary panel by a flange plate; the circular test piece fixing device is fixedly connected with the rotary panel; the rotary type high-speed bump test device is fixed in a target cabin of a two-stage light gas gun; the test piece is fixed by the press clamp of the circular test piece fixing device; the circular test piece fixing device is formed by overlapping three flat plates, wherein circular holes formed in the centers of the flat plates have different diameters; the diameter of the hole of the middle flat plate is larger than the diameters of the flat plates arranged at the two sides; the test piece is embedded in the middle flat plate. The rotary type high-speed bump test device is simple in structure and convenient in clamp fixation of the test piece; after the rotary type high-speed bump test device is used, a multi-angle bump test of the circular test piece can be completed according to the actual demand.

An apparatus for navigation control includes: a GPS configured to locate a current position of a vehicle and a speed bump ahead of the vehicle; a sensor configured to acquire detailed information of the speed bump and a current speed of the vehicle; a controller configured to locate the current position of the vehicle to divide a distance from the current position to the speed bump into one or more regions, to check the current speed of the vehicle, to calculate a recommended speed for passing over the speed bump based on the detailed information of the speed bump, and to generate a warning message if the current speed is above the recommended speed; and an outputter configured to output the warning message under control of the controller.

The invention provides a method and a device for vehicle navigation in an indoor environment. The method comprises obtaining acceleration and direction information which are measured through a mobile terminal when a vehicle is driven; calculating the acceleration so as to obtain an operating range of the vehicle and forming navigation information of the vehicle with the operating range and the direction information; and correcting the navigation information through vibration generated by a speed bump of the vehicle in the indoor environment. The system comprises a measurement obtaining module used for obtaining the acceleration and the direction information measured through the mobile terminal when the vehicle is driven; an information generation module used for calculating the acceleration, obtaining the operating range of the vehicle and forming the navigation information of the vehicle with the operating range and the direction information; and a correction module used for correcting the navigation information through the vibration generated by the speed bump of the vehicle in the indoor environment. According to the method and the device for the vehicle navigation in the indoor environment, convenience on operation can be improved.

A speed bump device is provided. The speed bump device comprises a first parallelogram frame, wherein the frame comprises an upper nested beam and a lower nested beam, wherein the upper beam and the lower beam are connected by way of at least one pivotable connecting arm, wherein the lower beam comprises at least one depression and at least one raised section, and wherein the upper beam is displaceable, relative to the lower beam, by way of the at least one connecting arm, from a retracted position, through a maximally extended position, to a raised position. A road surface element may suitably overlie the upper beam.

The invention relates to a road surface detection method, comprising the steps of: collecting accelerations through road surface driving; determining a Gaussian mixture model based on a collected acceleration of the vertical direction; judging whether the acceleration of the vertical direction matches with the Gaussian mixture model through a matching test, and if not, transmitting the collected accelerations. The road surface detection method and system of the invention are characterized by collecting an acceleration of the vertical direction for a matching test in a Gaussian mixture model so as to obtain the acceleration unmatching with the Gaussian mixture model. The acceleration is of the vertical direction, so it corresponds to an acceleration of a vehicle when it passes a deceleration strip or a manhole cover, pit and mound. If the acceleration of the vertical direction matches with the Gaussian mixture model, the collected accelerations are subjected to data transmission. Thus,under the condition of not losing information, data transmission and calculation amounts can be reduced, and the network bandwidth can be saved.

A speed bump system and method for a roadway that encourages a driver of a passenger vehicle to slow down and that does not substantially impede an emergency vehicle are described herein. The system includes a structure for disposing across the roadway to encourage the driver of a passenger vehicle to slow down before driving over the structure. In one embodiment, the structure has a raised middle portion, a first raised outer portion proximal to one end of the raised middle portion, and a second raised outer portion proximal to the other end of the raised middle portion. The three raised portions are traversable by the passenger vehicle. The structure further includes a first gap between the first raised outer portion and the raised middle portion, and a second gap between the second raised outer portion and the raised middle portion. The width of the first gap, the width of the second gap and the distance between the first and second gaps allow the emergency vehicle to pass through the first and second gaps.

The present invention relates to a method of using nanopores to obtain sequence information of sample DNAs in ss test DNAs. The method comprises using speed bumps to stall the ss test DNAs in the nanopores at random positions of the ss test DNAs to obtain sequence information of each and every nucleotides of the sample DNAs, and to construct the whole sequences of the sample DNAs. The present invention also relates to identification and / or isolation of test DNAs having desired sequence(s) using nanopore detectors facilitated by speed bump.