1117 results about "Speed bump" patented technology

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 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 an intelligent lift speed reducing belt, comprising a speed reducing pad. A long strip hole is formed in the middle of the speed reducing pad along a length direction, a lift module is arranged in the long strip hole, the cross section of the upper surface of the lift module is of an arc structure, and a lift control device is in transmission connection with the lower part of the lift module. The intelligent lift speed reducing belt is novel in design, simple in structure, high in practicality and easy to promote and apply, is used for correspondingly reducing the speed of a vehicle according to the running speed of the vehicle and particularly and strictly reducing the speed of the vehicle in allusion to the vehicle running at high speed, and has a good effect of warning a driver.

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.

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 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.

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 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.