99results about How to "Riding safety" patented technology

The invention provides a control method and a control system for an unmanned bicycle. The unmanned bicycle comprises a master control module, an obstacle detecting and analyzing module and a mechanical control module. The master control module is connected with the obstacle detecting and analyzing module and the mechanical control module, and furthermore bidirectional communication is performed between the master control module and the obstacle detecting and analyzing module and between the master control module and the mechanical control module. The control method and the control system settles a defect of only manpower riding mode in prior art and furthermore has beneficial effects of making a user better master riding, settling a traffic jam problem, realizing higher safety and higher reliability in riding, reducing air pollution, obtaining environment-friendly and energy-saving performance, realizing high benefit for human body health, and further advancing development of human social civilization.

The invention belongs to the fields of Beidou navigation satellites and intelligent bikes, and particularly relates to an intelligent terminal monitoring system and method for urban shared bikes. The system comprises an intelligent terminal system, a data transmission system, a control terminal system and a monitoring platform system, a positioning frequency control instruction issued by the monitoring platform system controls the positioning frequency of a Beidou and GPS positioning module, by increasing the positioning frequency, position tracks of the shared bikes can be tracked in a more detailed mode, by lowering the positioning frequency, energy consumption can be effectively reduced, and the single charging period can be prolonged; the intelligent terminal system adopts Beidou and GPS dual-mode satellite positioning, position and travel track information of the shared bikes can be obtained accurately in real time, an accurate navigation path is provided for a user and a maintainer looking for the target bike, time and labor are saved, and a technical support is provided for vehicle security.

An automatic control shock absorber system for a bicycle is provided. The system includes one or more sensors. A controller outputs a control signal to a damping adjuster according to the one or more sensors, such that the damping adjuster controls level of damping force based on the sensors.

The present invention relates to a telescopic bicycle, including front bicycle frame, it has a head tube and a front fork tube which is passed through the head tube from bottom to top, the top end of said front fork tube is connected with vertical tube of handlebar, and a rear bicycle frame, it has a radial five-way pipe, said radial five-way pipe is connected with a rear fork component, the rear fork component can be used for assembling rear wheel which can be driven by driving device and can be rotated, the head tube is connected with a backward-extended subtube, on the radial five-way pipe a group a upward-extended and mutual-parallel offset middle tube and supporting vertical tube are fixedly welded, a saddle tube with saddle pad is inserted into the offset middle tube, the top and of said supporting vertical tube is connected with a hollow mother sleeve whose two ends are opened.

The invention discloses an electric vehicle folding rain and sun hood. The electric vehicle folding rain and sun hood comprises supports, hood rods and hood cloth. The lower ends of the front supports are fixedly connected to frame rods on the two sides of the front end of a vehicle body, and the lower ends of the rear supports are fixedly connected to frame rods on the two sides of a rear vehicle frame. The two hood rods are arranged on the two sides, and the two ends of each hood rod are in rotation connection with the upper end of a side rod of the corresponding front support and the upper end of the side rod of the corresponding rear support, wherein the front support and the rear support are on the same side, and joints are provided with fasteners. The hood rods can be erected in a rotating mode or fall, and the hood cloth is movably connected to the hood rods. The hood rods can be folded, when the electric vehicle folding rain and sun hood is used, the hood rods are erected, and rain and sun can be blocked after the hood cloth is arranged; when the electric vehicle folding rain and sun hood is not used, the hood rods fall so that the bumper function can be achieved, the front side and the rear side of the hood are provided with transparent windows, no hood rod blocks sight, forward-extending bend symmetric structures of the front supports and the hood rods form handlebar rotation space, riding is safe, the appearance of the vehicle body is attractive, and occupied space is small; the angles of inclination of the hood rods can be adjusted, and in addition, the vehicle hood is convenient to install, economical, practical and convenient for a riding person to use.

The invention relates to a riding safety protection system of a power assisted bicycle. The riding safety protection system of the power assisted bicycle comprises a power module, a microcomputer electrically connected to the power module, a gear-shifting driver and an upper control panel electrically connected to the microcomputer. The upper control panel is provided with at least one input piece, wherein a rider operates the input piece so that an order can be input into the microcomputer; the microcomputer is provided with a plurality of power assisting modes and a type of power assisting mode logic and the condition that which power assisting mode is adopted is judged by the microcomputer according to the power assisting mode logic; the microcomputer is further provided with a type of order input judgment logic, whether the order is input or not is judged by the microcomputer according to the order input judgment logic, when the order is input, the power assisting mode logic is eliminated in a preset time section, the switch of the power assisting modes is not conducted, and after a first condition is satisfied, the power assisting mode logic is executed again.

The embodiment of the invention discloses an electric vehicle control method, a device, an electric vehicle control system and an electric vehicle. The method comprises the following steps: a centralcontrol device obtains monitoring parameters of a riding accessory for monitoring human body sign parameters; the central control device obtains monitoring parameters of a riding accessory for monitoring human body sign parameters; When any one of the monitoring parameters exceeds a preset threshold value of the parameter, the central control device sends a control command to the electric vehiclecontroller to control the speed of the electric vehicle. The embodiment of the invention solves the problem that when a user riding an electric bicycle is in poor physical condition, the user cannot react quickly to the road condition to control the safe driving of the electric bicycle, so as to realize automatic control of the driving speed of the electric bicycle according to the physical condition of the person riding the electric bicycle, so that the person riding the electric bicycle can ride safely and reduce the accident risk.

A portable scooter consists of a handlebar vertical rod (3), a handlebar cross rod (2), a handlebar (1), a brake, a frame, a flywheel (27), a transmission mechanism, a front wheel (11) and a rear wheel (25). The frame comprises a front fame (5), a low frame (16), a front fork (10) and a connecting part (13). Two handlebar vertical rod shafts (4) are equipped at the both sides of the upper end of the front frame (5), and the front frame (5) is connected with the handlebar vertical rod (3) via the handlebar vertical rod shafts (4). The front frame (5) is provided with a rear wheel recess (6), a front wheel recess (7) and a fork end from top to end. The front fork (10) is equipped with a block device at the front end, and a fork pipe rack (12) at the rear end. The front fork (10) is inserted into the fork end of the front frame (5), and the front fork (10) is connected to the front frame (5) via a front shaft (9). The connecting part (13) is connected with the front fork (10) via the fork pipe rack (12), and with the low frame (16) via a middle shaft (15), and is provided with two handlebar holes (14). The low frame (16) is provided with the front wheel recess (28). The front wheel (11) is connected with the front fork (10), and the rear wheel (25) is connected with the low frame (16) via rear shaft (26). The scooter has advantages of small volume, light weight, rapid folding and is convenient and safe to ride.

The invention discloses a foldable bicycle, which comprises a bicycle rear wheel rotating assembly, wherein a part of the bicycle rear wheel rotating assembly is matched with an inward recess of a front mudguard on a bicycle front fork connected with a transverse beam; a tangent plane of a rear wheel is formed on a groove of the transverse beam, so that the rear wheel of the bicycle is fixed; or a part of the rear wheel in the rear wheel rotating assembly of the bicycle can be accommodated in the groove of the bicycle transverse beam; and one end of the transverse beam which is positioned on a joint base is set as a battery cabin. In the foldable bicycle, the fundamental principle of human engineering is combined, and every assembly is set in complete reference to the industrial standard of bicycles, so that the foldable bicycle has the characteristics of compact structure, aesthetic feeling, convenience for folding and high practicability, is safe and reliable for riding, and has the functions of an electric bicycle.

A vehicle with a caster (12) has a disconnectable steering system so the vehicle can be quickly and easily converted back and forth between rider-steerable and externally steerable configurations. The vehicle includes a frame (body) (20), the caster, and a steering mechanism (22, 24, 34) mounted on the frame. A disconnecting device (32) is mounted between the steering mechanism and the caster. When the disconnecting device connects the steering mechanism to the caster, the vehicle can be steered by the occupant since the steering mechanism and caster rotate as one unit. When the disconnecting device disconnects the steering mechanism from the caster, the caster is allowed to swivel freely (360 DEG ) about its vertical axis so that the vehicle can be pushed or pulled in any direction by an external operator. The vehicle may be a stroller, a toy vehicle, a scooter, a wheelchair, a cart, a dolly, etc., and it can have more than one caster.

Provided is an electric bicycle. The electric bicycle is mainly composed of a frame, a controller box, a battery box and a battery box locating seat. The controller box, the battery box and the battery box locating seat are arranged on the upper portion of a lower pipe of the frame, and the lower portions of the controller box, the battery box and the battery box locating seat are all wrapped in a groove of the lower pipe of the frame. The battery box can rotate with a back-upper side line of the battery box as a rotating center, a battery box lock is opened, a battery box handle is pulled out, then the front portion of the battery box is rotated out upwards through the handle, then the battery box can be taken out, and conversely, the battery box can be put in. After the battery box is put in, an electrical connector is naturally inserted with an electric plug on the back portion of the controller box. A brake cable and an electric line enter into the bottom face of the groove of the lower pipe from a notch at the front-lower end of the controller box. The outer lower face of the back end of the lower pipe of the frame is connected with a frame reinforced board, the back end of the reinforced board is connected with a frame bottom fork bridge pipe, the back-upper portion of the lower pipe is connected with a middle joint, the upper portion of the middle joint is connected with the lower end of a vertical pipe, the back portion of the middle joint is connected with the front end of a frame bottom fork, the lower portion of the vertical pipe is connected with the front end of a branch pipe of the vertical pipe of the frame, and the back end of the vertical pipe branch pipe is connected with the front-upper portion of the bottom fork. The combination body is corresponding, coordinate, smooth, uniform and consistent in shape.

The invention relates to a power-assisted bicycle driven by a lithium battery. The power-assisted bicycle comprises a bicycle frame, a central shaft, a rear wheel hub, a motor, a speed reducer, a controller, a sensor and a battery. The power-assisted bicycle is characterized in that: a left rotary thread is arranged on the left side of the rear wheel hub; a flywheel is in threaded connection withthe rear wheel hub; the flywheel is connected with a driving device; and the sensor is arranged on the central shaft. Compared with the conventional electric bicycle driven by a lead-acid battery anda hub motor, the power-assisted bicycle driven by the lithium battery has the advantages that: 40 percent of power is saved; a thrust can be over 150 kg and is increased by 50 percent; the bicycle can climb up a slope of 20 to 30 DEG, and a required current is less than 10 amperes; endurance mileage can reach 60 to 70 km per run; a rotary handle switch is eliminated, the sensor is arranged on thecentral shaft, a pedal crank can be started by riding the bicycle, and assistant power is generated; the speed of the bicycle is changed along with the rotary speed of the crank and is in direct proportion to the rotary change of the crank; and the power-assisted bicycle is steadily started, a buffer effect is achieved during acceleration or deceleration, the speed is less than 25 kg per hour, and the power-assisted bicycle meets the international standard and is safer to ride.

The invention relates to a multi-functional pneumatic bicycle. The multi-functional pneumatic bicycle comprises a front wheel, a rear wheel and a unitized frame, wherein a cylinder and a control circuit are mounted on a front frame; a pneumatic motor is fixed on the side surface of a rear frame of the bicycle; a gear is mounted in a key slot of an output shaft of the pneumatic motor; a flywheel of the bicycle is mounted with a chain wheel; the gear is engaged with the chain wheel; blades are mounted between two spokes of the rear wheel; a rear wheel airbag is mounted on one side below a saddle; the lower part of the front wheel is clamped into a front wheel airbag; a push rod is mounted in a cylinder mounted on a front fork of the bicycle; the push rod is connected with a sleigh board; small crawler wheels are arranged at one ends of straight connecting rods; the straight connecting rods are connected with a curved connecting rod and a big crawler wheel; and the rear wheel, the big crawler wheel and the small crawler wheel are integrally connected with each other through a crawler belt. According to the multi-functional pneumatic bicycle provided by the invention, the multi-functional pneumatic bicycle is driven to move ahead by using compressed air and manpower as power; and the bicycle has dry land, snowfield and water walking functions. During walking on the dry land, the airbags and the sleigh board are closed up; during walking on the water, the airbags are used for supporting and the blade is used as paddles; and during walking on the snowfield, the sleigh board is driven by the cylinder to extend out downwards so as to eject up the front wheel, and the rear wheel is converted into the crawler wheels to run forwards. The multi-functional pneumatic bicycle provided by the invention is convenient and fast to switch.

The invention relates to an easily pulled and folded portable multipurpose bicycle ridden by multiple persons. The bicycle comprises a bicycle frame, handlebars, a saddle, wheels, foot pedals and a drive mechanism, wherein the bicycle frame comprises a front bicycle frame and a rear bicycle frame, and the front bicycle frame is connected with at least one rear bicycle frame through a connector; the bicycle frame consists of a plurality of beam columns and freely movable joints, is easily, conveniently and rapidly folded by a pushing and pulling way, and can be shortened to be in a state that the front wheel, the middle wheel and the rear wheel are overlapped, thereby the volume of the bicycle is greatly reduced, the handlebars can be also folded so as to reduce the occupied space and facilitate casing, carrying, transporting or storing; the bicycle frame and the freely movable joints are reasonable in structural design and have the favorable intensity and the rigidity, the whole bicycle connection is reliable after a rapidly disassembled locknut is locked, and the bicycle is comfortable and safe when people ride on and has favorable flexibility, equilibrium and stability; after the bicycle is folded, the rotation of the wheels is not influenced, the user only needs supporting the handlebars by hands without lifting by hands, and the bicycle is pushed in such a way that the wheels touch the ground, thereby being convenient to carry; in addition, the bicycle can be ridden by two persons or multiple persons, thereby being suitable for going off daily, touring, entertainment and body-building.

The embodiment of the invention relates to a spin bike which comprises a cushion casing, a cushion lifting push rod, a cushion lifting rod, a cushion lifting lock piece, a support seat, a cushion traversing casing, a cushion traversing push rod, a cushion traversing lock piece, an inserting rod, a handle casing, a handle lifting push rod, a handle lifting rod, a handle lifting lock piece, a handle, a control box and a display screen, wherein a cushion lifting lock opening is formed in the outer wall of the cushion casing; the cushion lifting push rod is mounted on the cushion casing; the cushion lifting rod is connected with the output end of the cushion lifting push rod; the support seat is mounted on the upper end face of the cushion lifting rod; the cushion traversing casing is placed on the support seat; the cushion traversing push rod is mounted on the inner side of the cushion traversing casing; the inserting rod is provided with a cushion; a handle lifting lock opening is formedin an outer wall of the handle casing; the handle lifting push rod is mounted on the handle casing; the handle comprises a cross beam and grips; the control box is mounted in the middle of the crossbeam; and the display screen is mounted in a display screen opening. According to the spin bike, a distance parameter is automatically adjusted; a member takes exercise in an optimal riding gesture; sport injuries are reduced to the full extent; and the occurrence of the sport injuries and harms is avoided.

A slide-track direct pedal bicycle consists of a bicycle rack, a beam, a handlebar, a front fork, a front wheel, a back wheel, slide tracks, driving chains, a middle shaft and transmission chains; wherein, either side of the beam is provided with a segment of slide track; two pedals are arranged on a slide block of the slide tracks and make linear movement on the slide tracks; the middle shaft is provided with two flywheels and a fixed chain gear which is fixed with the middle shaft, and the two flywheels are respectively sleeved with a driving chain which is connected with the pedals through two segments of steel ropes; the fixed chain gear is connected with a back flywheel through chains; the bicycle rack and the beam are fixed, and the front wheel is arranged under the beam, thus constructing a bicycle with a backrest supine sitting position according to different inclination angles of saddles.

The invention relates to a portable bicycle, which is characterized in that a bicycle seat frame is arranged on a lower bicycle frame; the portable bicycle comprises a bicycle seat, a seat rod, a rear upper fork and a rear upper fork frame; the lower end of the seat rod is connected with the front end of a front wheel accommodating groove of the lower bicycle frame through a seat rod shaft; the bicycle seat is arranged at the upper end of the seat rod; the upper end of the rear upper fork is connected with the seat rod through a rear upper fork shaft; the rear upper fork frame is fixedly connected with the rear end of the front wheel accommodating groove on the lower bicycle frame; a front bicycle frame, the seat rod, the lower bicycle frame and the rear upper fork are respectively made of two rectangular parallel flat plates which are arranged symmetrically, so that a front bicycle wheel and a rear bicycle wheel are inserted in a gap between the parallel flat plates when the bicycle body is folded, therefore the volume of the folding bicycle is largely reduced. On the condition of adopting a bicycle wheel with a diameter of 10 inches, the folded size of the portable bicycle disclosed by the invention is 64 cm * 25.4 cm * 9.5 cm; and the portable bicycle has the advantages of light weight, high folding speed and convenience and safety for riding.

The invention discloses an anti-self-locking intelligent central control lock for a bicycle. The lock comprises a lock gate body (1) and a rear wheel set (2), the lock gate body (1) is assembled on the rear wheel set (2), a central control lock body (3) and a brake disc (4) are arranged in the lock gate body (1), the central control lock (3) comprises a lock shell (5), a gear linkage mechanism (6), a drive mechanism (7) and a wheel motion detection device (8), and the gear linkage mechanism (6), the drive mechanism (7) and the wheel motion detection device (8) are assembled in a cavity of thelock shell. According to the central control lock, the assembling precision and efficiency are greatly improved, and the unlocking and locking signal feedback sensitivity is high. Unlocking signal feedback is achieved through triggering by using a switch trigger boss installed on the side face of a rack and a signal switch, and it is prompted that locking is successful. Whether a wheel hub rotatesor not is detected through a wheel moving Hall, the self-locking condition is avoided in the running process of the bicycle, and the riding safety is guaranteed.

The invention relates to a foldable three-wheel transportation tool with an automatic reset steering component. The foldable three-wheel transportation tool with the automatic reset steering component comprises a handle bar (15), a saddle (2), pedals (5), rear wheels (11), a front frame (4-1), a rear frame (4-2) and the steering component (16) connected between the front frame (4-1) and the rear frame (4-2), wherein the steering component (16) comprises a rotating shaft (16-9), a bearing seat (16-7), a shaft fixing piece (16-10), two deep groove ball bearings, an elastic steel piece (16-15) and two fixing piece L-shaped elastic steel piece fixing pieces (16-1, 16-13), the rotating shaft (9) is fixedly connected with the bearing seat (16-7) through the deep groove ball bearings, the deep groove ball bearings (16-5) are installed in the bearing seat (16-7), and the shaft fixing piece (16-10) is installed on the rotating shaft in a located mode; the elastic steel piece (16-15) penetrates through the rotating shaft (16-9). The foldable three-wheel transportation tool with the automatic reset steering component has the advantages that the radius of a turning circle is small, the side turning is not prone to occurring, the stability is good, and the foldable effect is achieved.

A slide direct pedal bicycle is made up of the frame, ream, handlebar, the front fork, the front wheel, the back axis, the back wheel, the slide track, the driving chain, the middle axis and the transmission chain. The slide track is installed on the both sides of the beam, the two foot petals are installed on the slide mass of the slide track which do the linear motion on the slide track. The middle axis has two flywheel and fixed chain gear fixed on the axis skin. The flywheel is covered with the driving chain connected to the slide mass and the fixed chain gear is connected with the back flywheel by the chain. The frame is fixed with the beam according to the different gradient to form the backrest supine bicycle.

The invention discloses a novel power lead acid battery with long service life, stable working performance, strong versatility and high production efficiency. The battery comprises a battery shell, battery electrode groups, an extraction electrode and an electrolyte, the battery shell comprises a battery jar, a battery cover and a battery cover plate, each of the electrode groups is composed of positive electrode plates, negative electrode plates, a separator plate and a lead part, Sb alloy is electroplated or chemically plated on the surface of the positive electrode grating of the battery, the content of Sb in the Sb alloy is 1-100%, the gamma value of the grating structure of the battery is 0.30-0.40g / cm<2>, and the length-to-width ratio of the grating structure is 1.0-1.2. The battery can well solve the disadvantages of poor electric conduction performance, short cycle life, low versatility and large influences on the stability of a vehicle of previous electric vehicle batteries, and is a novel power battery with the advantages of high efficiency, long life and low cost.

The invention relates to a bicycle helmet with a flashlight support. The bicycle helmet comprises a helmet body and a brim movably connected with the helmet body, a base is connected to the side wall of the helmet body through threads, a fixing device used for clamping a flashlight is arranged on the lateral surface of the base, the cross section of the fixing device is in a C shape, and a plurality of vent through holes are formed in the helmet body. The fixing device used for clamping the flashlight is arranged on the lateral surface of the bicycle helmet with the flashlight support, the flashlight can be mounted on the helmet, and therefore riding at night is safer.

The invention provides a bicycle tail lamp. The lamp comprises a tail lamp main body, a circuit main board part, a battery and a battery compartment cover. The tail lamp main body and the battery compartment cover are detachably connected. The circuit main board part is fixedly arranged in the tail lamp main body. The battery is fixedly arranged between the tail lamp and the battery compartment cover. The battery is electrically connected with the circuit main board part. The tail lamp main body is fixedly arranged on a rear fender of a bicycle through anti-theft screws. The bicycle tail lamp has the beneficial effect that the tail lamp main body and the rear fender are fixed together through the anti-theft screws, so that the tail lamp has a powerful anti-theft function; the rear tail lamp main body is separated from the battery, and battery can be replaced without detaching the rear tail lamp main body; the tail lamp is on only when the light sensation and the vibration sensation conditions are met, so that bicycle riding at night is safer; and since a tail lamp reflector has a light reflecting function in the absence of vibration, warning can still be provided for an automobile behind.

The invention discloses a frame assembly of an all-terrain vehicle. The rear of a main reducing gear which is provided with a lug, and a rocker part which is provided with a lug and towing are combined into a whole through a bottom tube rear composition board, and the towing, a rear rocker and the main reducing gear are mounted, positioned and combined into a sheet metal component as possible; and simultaneously, an air filter provided with a lug is arranged on the front of a frame, and an oil tank mounting plate is arranged on the rear of the frame, so that an oil tank is positioned on the rear of the frame and the air filter is positioned on the front of the frame. The frame assembly has compact structure, optimized spacial arrangement, light weight and more reasonable mass distribution of a whole vehicle, improves welding manufacturability and reduces welding frock to reduce manufacturing cost, and well guarantees strength and rigidity of the whole vehicle through reinforcing members.

The invention discloses an intelligent sensing speed limiting helmet which comprises a helmet casing, a sensing device and a chip. The intelligent sensing speed limiting helmet is in communication connection with a vehicle through the chip. The sensing device senses whether a rider wears the helmet casing or not and generates signals transmitted to the chip; the chip controls the speed of the vehicle according to the signals; the sensing device comprises a first sensor and buckle belts; the first sensor is arranged on the top of the helmet casing; the buckle belts are used for being buckled onthe neck; the signals comprise a first signal and a second signal; the first signal is generated after the first sensor senses whether the rider wears the helmet casing or not; and the second signalis generated for indicating whether the buckle belts are buckled or not. The intelligent sensing speed limiting helmet provided by the invention has the advantages that whether the rider wears the helmet casing or not is determined through the sensing device, so that the speed is controlled, and the safe riding is realized. When the condition that whether the helmet casing is worn by the rider ornot is determined, duplex detection is performed; on one hand, the first sensor senses whether the rider wears the helmet casing or not; and on the other hand, the result of whether the buckle belts are buckled or not is also used for determination.

The invention discloses a braking mechanism for an electric bicycle. The braking mechanism comprises a braking handle, a pulling rope, a sleeve barrel, magnetic steel, an elastic part, a Hall sensor and a controller; the pulling rope is matched with the braking handle; the magnetic steel is movably arranged in the sleeve barrel, and one end of the pulling rope stretches into the sleeve barrel and is oppositely fixed with the magnetic steel; the elastic part is used for enabling the magnetic steel to reset; the Hall sensor is arranged on the inner side or outer side of the sleeve barrel and matched with the magnetic steel and connects a magnetic flux signal through movement of the magnetic steel; the controller is used for receiving the signal of the Hall sensor and controlling the electric bicycle to reduce the speed for braking according to the signal of the Hall sensor. According to the braking mechanism, through the braking handle and the pulling rope, the magnetic steel can be driven to move when the braking handle is pressed, therefore, the Hall sensor can collect the magnetic flux signal, and the controller controls the electric bicycle to reduce the speed for braking according to the signal of the Hall sensor. The operation form of the control mode of the braking mechanism is same as that of a traditional braking mode, the braking mechanism better accords with the using habit of people, and riding is safer.

The invention provides an electric bicycle lamp. Handlebar lamps are embedded below a handlebar, a tail lamp is arranged at the tail end of a rear seat board, and the handlebar lamps and the tail lampare electrically connected with a battery; a photosensitive sensor is arranged in front of the handlebar, a lamplight regulator is further arranged below the rear seat board, a controller is furtherarranged in a lower pipe and connected with the lamplight regulator and the photosensitive sensor, and the lamplight regulator is connected with the handlebar lamps and the tail lamp. The lamplight regulator is installed on the rear seat board, meanwhile, the photosensitive sensor is installed on the handlebar, the intensity of external ambient light can be acquired through the photosensitive sensor, then information is transmitted to the controller and the lamplight regulator, the intensity of lamplight of the handlebar lamps and the tail lamp is controlled so that people can adapt to the light intensity of different environments, the eyes are protected, safety is improved, and the electric quantity is saved as well.

A buffering bicycle rack which belongs to the field of bicycles comprises a front tripod, a back tripod and a headstock tube and is characterized in that active connecting parts are arranged between the headstock tube and the front tripod; a shock absorber is arranged between the headstock tube and the front tripod; connectors which are arranged respectively on the headstock tube and the front tripod are connected to form an active rotating shaft point; the shock absorber is a shock-absorbing spring, and one end of the shock-absorbing spring is connected to the front tripod and another end of the shock-absorbing spring is connected to the headstock tube through the connectors. The invention changes the way of fixed connection of the headstock and the front tripod of the existing bicycles, by making use of a rotating shaft and the shock absorber, the invention facilitates the bicycle to release and absorb the jumping ability and the flinging resistance pressure, etc.; the invention also reduces various dangers caused by hard braking and collisions, etc., in the process of bicycle riding, which leads the bicycle riding to be more comfortable and safer; the endurance of front forks is reduced a plurality of times, thus releasing various vibrations or collisions, reducing the damage of bicycles and effectively prolonging the service life of the bicycle.