2348 results about "Electric bicycle" patented technology

The invention discloses an electric bicycle lithium battery data real-time monitoring and early warning system and method, and relates to the technical field of battery management, and the system comprises a multi-dimensional data collection module which is used for obtaining a multi-source heterogeneous data set of a lithium battery system; the collaborative feature extraction module is used for generating a comprehensive evaluation parameter set; the dynamic threshold generation module is used for constructing a self-adaptive early warning boundary model according to the comprehensive evaluation parameter set; the intelligent decision module is used for generating a hierarchical control instruction set based on a multi-objective optimization algorithm; and the cloud collaboration module is used for synchronizing the hierarchical control instruction set to the edge computing node and the cloud management platform, and triggering a multi-level linkage protection mechanism based on the game theory when the thermal runaway risk index is detected to exceed a first dynamic threshold value. According to the electric bicycle lithium battery data real-time monitoring and early warning system and method provided by the invention, the safety and reliability of a battery system are improved.

The invention relates to the technical field of power battery health state evaluation and anomaly recognition, in particular to a remote health state analysis and anomaly recognition method for an electric bicycle battery, which comprises the following steps of: under an access working condition, applying small-signal active excitation and synchronously acquiring to form an opportunity diagnosis excitation data window; time-frequency coupling modeling including equivalent impedance modeling, harmonic wave and intermodulation fingerprint modeling, Koopman operator modeling and entropy coefficient difference is carried out, and a spectral measurement geometric distance is constructed through optimal transmission to generate a multi-domain response packet, a physical invariant vector and an uncertainty matrix; according to the geometric distance and consistency score gating and hierarchical standardization, obtaining a health state estimation record and an abnormal event set by adopting a shape-limited health mapping model; and in combination with mapping Jacobian and dual potential, generating an opportunity diagnosis incentive plan of a next period by adopting D-optimal test design, and updating a group health manifold, thereby realizing cross-environment, cross-equipment and traceable remote health assessment and early anomaly recognition.

The invention provides a battery car dynamic charging optimization management system based on battery health state evaluation, and belongs to the technical field of battery car charging management. The system comprises a data acquisition module which is connected with an environment sensing device and a battery management system and acquires environment and battery parameters in real time; the data storage module is used for storing an initial training data set, a charging and discharging data set and a battery aging feature library; the model building module is used for building a battery health state evaluation model through a migration strategy and building a response model through a modeling strategy; the health state evaluation module is used for extracting associated features with a critical damage threshold value as a core through a mapping algorithm based on the battery parameters, the environmental parameters and an aging feature library; and the charging strategy generation module comprises a strategy generation unit, a reference parameter generation unit and a dynamic correction unit. The system effectively improves the adaptability of battery car charging, guarantees the efficient and stable operation of the battery, and remarkably improves the safety and prolongs the service life of the battery.

According to the electric bicycle data collaborative sharing method based on multi-party security computing, the collaborative computing system is constructed, the collaborative control nodes in the collaborative computing system are independent of the business departments, and the collaborative computing system allocates at least one computing execution node to each business department. The calculation execution nodes are in communication connection with a database of a business department, and each calculation execution node is in communication connection with the coordination control node; the method comprises the following steps: splitting a calculation task in a collaborative governance service related to cross-department data sharing based on service logic, and obtaining a single-department calculation sub-task and a cross-department calculation sub-task after splitting; each calculation execution node executes a calculation task which only relates to the data of the business department, and only submits a calculation result to the coordination control node; all calculation tasks related to cross-department data are completed at the coordination control node; and then the coordination control node feeds back the data requested by the business department to the requesting department.

A SmartSafe tray or cassette assembly for vehicles is disclosed, comprising a smartphone docking slot and a controller configured to permit vehicle ignition only upon authorized docking. The system integrates with vehicle infotainment and head-up display (HUD) interfaces to project navigation, route, and media data. It provides haptic, visual, and audible alerts for route updates, fuel level, and safety conditions. The assembly supports voice commands for destination confirmation, includes AI-based driver monitoring, event data recording, and anti-theft synchronization. The tray further enables wireless charging, multi-mode operation via restricted or unrestricted key fobs, and compatibility with cars, scooters, e-bikes, and helmets featuring HUD projection.

An electric bicycle including a frame having a front end coupled to a steering assembly, the steering assembly having a front wheel, and a rear end coupled to a rear wheel assembly, the rear wheel assembly having a rear wheel. At least two pedals rotatably coupled to the rear wheel assembly, the at least two pedals having an engaged configuration wherein the at least two pedals are engaged with the rear wheel and configured to rotate the rear wheel in a forward direction, and a disengaged configuration wherein each of the at least two pedals is disengaged from the rear wheel. An electric motor electrically coupled to a battery and configured to engage with the rear wheel and to rotate the rear wheel in the forward direction.

The invention discloses a multi-dimensional heat management and safety protection system for an electric bicycle battery replacement cabinet, and belongs to the technical field of heat management of electric bicycle heat exchange stations. According to the system, through a multi-dimensional thermal management framework of a phase change material plate, a liquid cooling plate and a wide-temperature-range heat pump, temperature, pressure and smoke multi-sensor monitoring and layered regulation and control of a thermal management subsystem are combined, so that accurate control over the temperature in a battery bin and early warning of battery thermal runaway are achieved; meanwhile, the safety of battery replacement operation is guaranteed by means of a linkage control mechanism of a front bin door and a rear bin door, a catapulting device composed of a compressed carbon dioxide gas storage tank, an electromagnetic valve, an I-shaped pushing rod and an air cylinder is matched, a fault battery can be rapidly pushed into a fire-fighting bin when a thermal runaway signal is detected, a full-link safety protection system is formed from early warning, temperature control to emergency disposal, and the safety of the battery replacement operation is guaranteed. The problems that an existing battery replacement cabinet is uneven in battery heat dissipation, lagged in thermal runaway response and single in safety protection are effectively solved, and the operation safety and reliability of the electric bicycle battery replacement cabinet are remarkably improved.

In order to solve the problem that for a bicycle or an electric bicycle, people carrying by installing a rear child seat and object carrying by installing a rear tail box are difficult to consider at the same time, the invention provides a multifunctional child seat of a two-wheeled vehicle and a turnover safety device installed on the multifunctional child seat of the two-wheeled vehicle. The backrest of the multifunctional child seat of the two-wheeled vehicle comprises a first backrest piece and a second backrest piece, and the second backrest piece and the first backrest piece are hinged through a folding mechanism. After the folding locking piece is operated to unlock the folding mechanism, the second backrest piece and the side wing pieces can be folded forwards together, and an enclosed space is formed by the second backrest piece, the side wing pieces, the first backrest piece, the base and the front enclosure piece together. After the enclosed space is formed, the folding locking piece enters the clamping groove to limit the folding mechanism, and the vehicle-mounted articles can be stored. The folding safety device is used for locking the folding locking piece, on one hand, the reliability of the folding mechanism can be improved, and on the other hand, anti-theft storage of the vehicle-mounted articles can be achieved.

A method for operating a drive unit of an electric bicycle includes (i) determining a rider torque signal, which is based on a rider torque generated by way of muscle power of a person riding the electric bicycle, (ii) first filtering of the rider torque signal by way of a first low-pass filter, (iii) second filtering of the rider torque signal by way of a second low-pass filter, and (iv) generating, in a controlled manner, a motor torque by way of the drive unit as a function of the rider torque signal filtered by way of the second low-pass filter.

The invention discloses an electric bicycle state monitoring method based on sensor fusion, and relates to the technical field of data analysis, and the method comprises the steps: obtaining a resonance cooperation index and a road energy permeability index through multi-dimensional data calculation, and carrying out the fusion to obtain a global feature vector; inputting the global feature vector under the time sequence into a preset double-branch prediction model, and outputting a riding intention and a riding mode; calculating a power demand according to the multi-dimensional data, performing adaptive power distribution according to the power demand and the riding mode, and when the riding intention is braking or downhill, performing energy recovery according to a preset energy recovery strategy; and calculating predicted energy consumption and a cost index of the road section, and performing path planning. According to the method, cooperation of a rider and a motor and road surface conditions are quantified through a resonance cooperation index and a road energy permeability index, riding intention and mode prediction is achieved through a double-branch prediction model, self-adaptive energy management and power distribution are achieved based on power requirements, energy recovery is triggered during sudden braking or downhill, and safe operation is ensured.

The invention relates to the technical field of frame strength testing, in particular to an electric bicycle frame strength testing device which comprises two sets of driving teeth, the upper ends of one set of driving teeth are fixedly connected with a driving source through a rotating shaft, the surfaces of the driving teeth are in meshed connection with matching teeth, and the lower ends of the matching teeth are fixedly connected with a rotating cylinder. A plurality of sets of force application grooves are formed in the inner wall of the rotating cylinder at equal intervals, a lifting cylinder is arranged in the force application grooves, two sets of symmetrically-arranged vertical rods are elastically inserted into the lifting cylinder, the lower ends of the vertical rods are rotationally connected with detachable contact pieces, and two sets of telescopic heads are symmetrically inserted into the lifting cylinder; and a magnetic suction rod is inserted into the telescopic head. According to the invention, through cooperative use of all parts, multi-directional force application detection can be carried out on the electric bicycle frame, a bumping phenomenon can be simulated in a force application detection process, all-directional detection is realized, the accuracy of a detection result is ensured, and the detection efficiency is improved.

1. The name of the design product: electric bicycle (speed SR10). 2. The use of the design product: for electric bicycles. 3. The design features of the design product: in shape. 4. The picture or photo that best indicates the design features: perspective view 1.

The invention discloses a shared electric bicycle battery safety monitoring method and system based on multi-source sensor fusion and computer equipment, and belongs to the technical field of shared electric bicycle battery supervision. The method comprises the following steps: acquiring multi-source battery position monitoring data and multi-dimensional battery state data of a shared electric bicycle through a plurality of sensors deployed in a battery compartment; based on the monitoring time and the battery monitoring position, time-space synchronization is carried out on multi-source battery position monitoring data, battery positioning is carried out, the battery state change trend is obtained through comparison of multi-dimensional battery state data of adjacent time sequences, then the battery health degree in the current state is evaluated, and battery life prediction is carried out. And according to a battery life prediction result, matching a multi-level risk index, when the multi-dimensional battery state data meets a risk index threshold value of a corresponding monitoring dimension, triggering a corresponding early warning mechanism, and performing multi-dimensional battery risk early warning in combination with battery positioning information. The method has the effects of improving the safety performance of the shared electric bicycle battery and detecting the battery abnormity in time.

The invention relates to the technical field of electric bicycle control, in particular to an automatic high beam and low beam switching system and method for an electric bicycle, electronic equipment and a computer readable storage medium. The automatic high beam and low beam switching system for the electric bicycle comprises a radar detection module, an illumination detection module, a control module and a bicycle lamp module. The radar detection module is used for detecting the distance of an obstacle in front of the electric bicycle and the movement state of the obstacle; the illumination detection module is used for detecting the illumination intensity of the external environment; and the control module is used for controlling the vehicle lamp module to turn on the low-beam lamp when the illumination intensity is lower than a preset illumination threshold value, and controlling the vehicle lamp module to switch the high-beam lamp and the low-beam lamp according to the distance of the obstacle and the motion state of the obstacle. The control module automatically controls switching of the high beam and the low beam based on the distance of the obstacle, the motion state of the obstacle and the illumination intensity, and dependence on manual operation of a rider is reduced.

The utility model provides a multifunctional child seat of a two-wheeled vehicle in order to solve the problem that people carrying by installing a rear child seat and object carrying by installing a rear tail box are difficult to consider at the same time when the rear child seat is installed on the two-wheeled vehicle such as a bicycle and an electric bicycle. The multifunctional child seat of the two-wheeled vehicle comprises a first backrest piece and a second backrest piece, and the second backrest piece is hinged to the first backrest piece through a folding mechanism. The second backrest piece and the side wing pieces can be folded forwards together and form an enclosed space together with the first backrest piece, the base piece and the front enclosure piece. After the enclosed space is formed, the folding locking piece enters the clamping groove in the first folding piece and limits the folding mechanism, and then vehicle-mounted articles can be stored.

The present invention discloses a chainless electrical bicycle, which is designed to eliminate any type of mechanical means to transfer torque and power from pedals to a traction wheel. The present invention employs a generator to transfer a pedal torque and power with the help of power electronics, control electronics, a battery and control methods to a motor that is used for traction, which is attached to the traction wheel. The generator power is supplemented with the battery power, wherein the battery is rechargeable. The main purpose of the present invention is to emulate a mechanical chain bicycle operation, eliminate shortcomings of a mechanical chain bicycle, and introduce convenience features, such as, but not limited to, continuously variable electronic gear, a gravity compensation, a static and dynamic torque assistance, a ride charge feature, and an electric brake system.

A cross frame for a bicycle, such as an e-bike, includes a head tube and a seat tube with a bottom bracket area arranged at the lower end of the seat tube, a straight first tube starting from the head tube which crosses the seat tube and then extends towards a rear dropout of a rear triangle of the cross frame, a second tube starting from the head tube above the first tube which crosses the first tube at an intersection and then extends towards the bottom bracket area, and at least one chain stay extends from the bottom bracket area to the rear dropout. The second tube has an angular deflection within the plane of the frame in the section between the head tube and the intersection to create a visually appealing frame that offers high stability and torsional rigidity with minimal weight and allows for improved handling of a bicycle equipped with the frame.

The invention belongs to the technical field of intelligent transportation, and particularly relates to a shared electric bicycle intelligent scheduling method, system and device and a storage medium. The objective of the invention is to solve the technical problems in the prior art that the accuracy and timeliness of historical data are limited, and the capability of coping with emergencies or seasonal changes is weak. Comprising the steps of obtaining state information of each shared electric bicycle, performing preprocessing, and performing feature extraction to obtain sample feature data; inputting the sample feature data into a trained prediction model to obtain prediction data of each station; comparing the prediction data with the real-time number of vehicles at the stations to obtain a supply and demand difference value of each station; calculating a scheduling cost matrix among the stations, and performing scheduling principle matching on the scheduling cost matrix based on a preset scheduling principle to obtain a preliminary scheduling strategy of the stations; and constructing a target function, and optimizing the preliminary adjustment strategy by using the target function to obtain an optimized scheduling strategy.

A torque transmission device for a drive unit of a bicycle includes a shaft having an opening extending through the shaft. The torque transmission device includes a lever having a seat, a foot, and a tooth. The lever is movably attached to the shaft, such that the seat of the lever is rotatable on a surface of the shaft at least partially defining the opening. The tooth of the lever is engageable with internal teeth of a gear disposable about the shaft, and the foot of the lever is engageable with a cam disposable within the shaft. The lever is movably attached to the shaft, such that the foot of the lever is biased away from the outer circumferential surface of the shaft. A distance between the seat and the foot is greater than a distance between the tooth and the seat.

The invention relates to the technical field of nozzle fire extinguishing, in particular to an electric bicycle shed fire suppression system which comprises a temperature monitoring module, a fire source recognition module, a flame capturing module, a water spraying control module and a range adjusting module. According to the method, the temperature rise position is screened through synchronous temperature and position data, identification and marking are carried out in combination with a parking area and a charging area range, the risk of missing report of a fire source is avoided, flame continuous coordinates are recorded, a moving value is calculated to capture a flame deviation trend, and a deviation result and a nozzle coverage range are subjected to correlation judgment; water spraying control is only carried out in the coverage range and when the fire source deviates, dynamic association of coverage and the fire source is achieved by calculating the intersection area of the spraying range and the fire source range, the spraying angle is adjusted to complement the blind area when the area is insufficient, dynamic synchronization of the water spraying coverage range and the fire source state is formed, and the positioning accuracy and the response speed are improved. The local cooling capacity in fire treatment of the electric vehicle shed is enhanced, the flame spreading risk is reduced, and water sources are saved.

The present invention relates to a cadence control method for a hybrid drive applicable to electric bicycles, the hybrid drive comprising a muscle power input (PM) and an electric motor (eM1), both being connected to a power-split gear (PS), the power output (LS2) of which is mechanically connected to a wheel (RM). The hybrid drive is equipped with a control device (HMI) that allows the user to select a preset cadence (Wc(prog)) and said control method acts on the motor (eM1), thereby increasing or decreasing its power to slow down or accelerate the pedalling cadence (Wc), keeping its value close to the preset cadence (Wc(prog)). This method applies to both pedal-driven vehicles with power-split hybridisation with a single electric machine, and vehicles equipped with an e-CVT system with parallel hybridisation at the output, in which the cyclist also selects a level of assistance.

1. The name of the design product: charging pile. 2. The use of the design product: the design product is used for charging electric bicycles and other mobile devices. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best indicates the design points: perspective view.

The application relates to the technical field of electric bicycles, in particular to a helmet control method and device, an electric vehicle and computer equipment. The method is applied to an electric vehicle, a helmet lock is arranged in a basket of the electric vehicle, a first sensing module is arranged at the helmet lock, a second sensing module is arranged at the bottom of the basket, the method comprises the following steps: in response to triggering of the first sensing module, sensing data of the second sensing module is acquired; whether a lock closing condition is met is determined according to the sensing data of the second sensing module; the sensing data is used for indicating whether an object triggering the first sensing module is a helmet; in the case that the lock closing condition is met, a lock closing instruction is generated in response to a received lock closing request, and the lock closing instruction is executed; the lock closing instruction is used for indicating that the helmet lock enters a locking state to realize locking of the helmet. According to the scheme, whether the helmet is placed in the basket can be more accurately detected.

The utility model discloses a kind of drive circuits, belong to electric bicycle instrument technical field, specifically related to a kind of electric bicycle instrument drive circuit, comprising: conversion module, output filter and high voltage surge suppression module;Output filter and high voltage surge suppression module are connected with conversion module;Conversion module includes: MOS tube Q6, MOS tube Q9, resistance R20, resistance R19, resistance R18, triode Q5 and triode Q10;Output filter includes: inductance L2, electrolytic capacitor C15, electrolytic capacitor C14, capacitor C13;High voltage surge suppression module includes: transient voltage suppression diode D5;The utility model uses wide input voltage range, high-efficiency switching power supply, replaces traditional linear voltage stabilizer, and efficiency is higher, and heat is smaller, and tolerance to input voltage fluctuation is better, while increasing greater capacity input electrolytic capacitor, effectively absorb transient surge and fill transient voltage drop, in addition, TVS diode is used to suppress high voltage surge, and self-recovery fuse is used to prevent overcurrent.

1. Name of the product in this design: Electric Bicycle (Nuclear Bull). 2. Purpose of the product of this design: a means of transportation. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The invention relates to an electric bicycle fake license plate identification method based on an electric vehicle bayonet technology, and the method comprises the steps: firstly collecting and preprocessing a passing image of each bayonet, recognizing an electric bicycle and a corresponding license plate in the image, and extracting the characteristics of the license plate; meanwhile, obtaining geographic information of each gate to construct a geographic index; the system matches passing data of different checkpoints on the basis of license plate characteristics, vehicles with the same license plate characteristics are grouped, a license plate index is established, and each group records the checkpoint passed by the license plate and the time of the license plate; arranging any license plate group according to a time sequence, extracting positions of adjacent checkpoints through geographic indexes, calculating a corresponding actual driving speed, comparing the actual driving speed with a preset theoretical speed threshold value, and if the actual speed exceeds the threshold value, judging that the license plate is suspected to have a fake license plate; according to the method, intelligent and automatic identification of the fake plate and fake plate of the electric bicycle can be realized, and the traffic management efficiency is improved.

1. The name of the design product: Electric vehicle handlebar cover (C05). 2. The use of the design product: The design serves as a component of an electric bicycle or electric motorcycle, and is used as a handlebar cover for an electric bicycle or electric motorcycle. 3. The design points of the design product: The shape. 4. The picture or photo that best indicates the design points: Perspective view.

A steering unit (1) is provided for a bicycle (2), in particular for an electric bicycle, and a bicycle (2) equipped with the steering unit (1) also is provided. The steering unit (1) has handle bars (3) for connecting the steering unit (1) to the bicycle (2). At least one handle (4) is arranged and / or formed on the handle bars (3) for gripping with a hand. Operating safety of the bicycle (2) is improved by providing the steering unit (1) with at least one photonic mixer device (6) for detecting finger positions of the hand gripping the handle (4).

The utility model discloses a waterproof battery box, battery module and electric bicycle relates to battery waterproof technical field. Waterproof battery box includes: casing, waterproof cover, casing includes and mutually buckling first casing and second casing along first direction, waterproof cover is located between first casing with second casing, and is connected with first casing and second casing respectively, wherein, the outer edge ring of waterproof cover is equipped with flange, and the flange forms the glue groove for filling sealant with the inner wall of second casing. By adopting the technology provided by the utility model, double protection can be provided for battery core, and the processing and assembling difficulty can be effectively reduced while ensuring the waterproof effect.