4947 results about "Electric bicycle" patented technology

A control system for controlling an electric bicycle is provided, which includes an electric bicycle, an information processing unit, a monitoring device, an input device, and a display. The electric bicycle and the information processing unit exchange information with each other, and the information includes operation data on the electric bicycle, control data for the electric bicycle, exercise programs. The monitoring device monitors bodily condition of a bicycle rider, and communicates the monitored data with the information processing unit and the electric bicycle. Operations of the electrical bicycle are controlled by collected information and data. The operations of the electric bicycle include a power output level, gear shift, RPM, speed, and acceleration, and the operations of the electrical bicycle are controlled so as to keep a heart rate of the bicycle rider at a target heart rate.

Disclosed herein are a secondary battery, which is formed in the shape of a plate and has an electrode assembly mounted in a battery case made of a laminated sheet including a metal layer and a resin layer, wherein the secondary battery is constructed in a structure in which independent coupling type frame members are mounted to the outside part of a sheathing member serving as the battery case, and a medium- or large-sized battery module including the same as a unit cell. Consequently, the secondary battery has a high mechanical strength and a large sealing force. Furthermore, the electrical connection is accomplished without bending the electrode leads. Also, the battery module, which is constructed with the secondary battery as a unit cell, can be manufactured with a compact structure and a relatively light weight. Furthermore, the assembly process of the battery module is greatly simplified. The structural stability of the battery module according to the present invention is very high, and therefore, the battery module can be preferably used as a power source for electric vehicles, hybrid electric vehicles, electric motor cycles, and electric bicycles.

An electromechanical control system of an electric bike integrating a smart mobile device and cloud services therewith enables a controller of the electric bike to independently monitor and control operation of an electric motor, is integrated with an external smart mobile device with a communication interface thereof, configures cycling control parameters of the controller with the externally available cycling control parameters through an user interface provided by the smart mobile device to adapt to cyclists' physical strength. Cycling information and bike information can be displayed on the smart mobile device or make them openly available through the online function of the smart mobile device for cyclists to easily record or manage related information during bike cycling.

Methods and apparatus for reconfiguring a battery and/or an electric motor assembly for an electric bicycle drive system are provided. A battery having a plurality of battery cells in a first configuration adapted to provide a first battery voltage can be reconfigured into a second configuration adapted to provide a second battery voltage. The second battery voltage may be lower than the first battery voltage. The battery can be charged when in the second configuration. Similarly, an arrangement of two or more electric motors can be provided in a first configuration adapted to provide at least one of a first torque output during a driving action and a first regenerative voltage output during a braking action. The motors can be reconfigured into a second configuration adapted to provide at least one of a second torque output during the driving action and a second regenerative voltage output during the braking action.

Disclosed herein are a secondary battery including an electrode assembly for charging and discharging mounted in a sheathing member including a metal layer and a resin layer, wherein the secondary battery further includes a secondary battery having a molding part of a predetermined thickness at least partially formed at the outside of a sheathing member, preferably, at a sealing region of the sheathing member, and a medium- or large-sized battery pack including the same. The molding part is formed at the outside of the sheathing member of the secondary battery. Consequently, the secondary battery according to the present invention has high mechanical strength, and therefore, it is possible to construct a battery pack without using addition members, such as cartridges. When the molding part is formed at the sealing region, which is weak, the molding part increases the mechanical strength and the sealing force of the secondary battery. Consequently, a battery pack including the secondary batteries as unit cells can be manufactured generally in a compact structure and with relatively small weight, and the assembly process of the battery pack is greatly simplified. The battery pack according to the present invention has high structural stability. Consequently, the battery pack can be preferably used as a power source for electric vehicles, hybrid electric vehicles, electric motorcycles, and electric bicycles.

The invention discloses a large-capacity high-power polymer lithium iron phosphate power battery. The weight ratio of anode slurry is as follows: 81 to 85 percent of lithium iron phosphate, 1 to 5.5 percent of superconduction carbon, 0 to 2.5 percent of conductive carbon soot, 0 to 4 percent of conductive black lead, 0 to 2.5 percent of crystalline flake graphite, 0 to 2 percent of carbon nanometer tube as well as 6 to 7.5 percent of polyvinylidene fluoride; the weight ratio of cathode slurry is as follows: 89 to 91 percent of cathode material, 1 to 3.5 percent of superconduction carbon, 0 to 2 percent of conductive carbon soot, 0 to 4 percent of conductive black lead, 2.5 to 3.5 percent of styrene-butadiene rubber as well as 1.5 to 2 percent of sodium carboxymethyl cellulose; the steps for preparing the battery are as follows: preparing slurry, coating the anode and the cathode, rolling and pressing a polar plate, transversely and separately cutting the polar plate, baking the polar plate, welding the polar ears of the anode and the cathode, preparing a battery cell, putting the electric core into a shell and sealing, baking the electric core, injecting liquid into the battery as well as forming the battery and dividing the volume of the battery. The invention relates to a lithium-ion secondary battery which can provide drive energies for electric tools, electric bicycles, motor cars and electric vehicles.

Provided is a folding electric bicycle comprising a front frame section; a rear frame section comprising two bent arms individually having one end pivotably coupled to an axle passed rear wheel, and two auxiliary wheels rotatably mounted in open ends of the bent arms; a crossbar comprising a front end and a rear end pivotably coupled to the front and rear frame sections respectively; a latch detachably interconnected the crossbar and the rear frame section; and a down tube interconnected the front and rear frame sections. The rear frame section can either retract toward the front frame section about the unfastened latch for folding or extend from the front frame section about the unfastened latch for extending. The auxiliary wheels are either disposed above the ground when the bicycle is ready or rotatable and contact with the ground when the bicycle is folded for facilitating moving.

The invention is directed to a foldable electric bicycle with power assist having a front portion attached to a rear portion via a central pivot post. The front portion maintains a steering column, handle bar system and a front wheel assembly having a front wheel and an electric power train. The rear portion includes a rear connecting arm to maintain the rear wheel. The central pivot post includes a first end that connects with the front portion and a second end which connects with the rear portion. A peddle assembly connects below the central pivot post and communicates with the rear wheel through a drive chain. A rechargeable battery capable of providing electricity to the electric power train is shaped to fit within a cavity and is located within the central pivot post. The rechargeable battery is positioned proximate the user so as to vertically align with the user's girth.

The invention relates to a battery holder which is configured to be inserted into the tube opening in the seat tube of the frame of an electric bicycle and to be pulled out. The bicycle saddle is connected to the battery holder via a saddle pillar.

An apparatus includes a bicycle frame defining a bore, and a bicycle seat assembly including a post received in the bore. An indicating unit is configured to indicate a first position of the post along the bore for a first user and a second position of the post along the bore for a second user. An identification unit is configured to identify the first user and the second user. A computing device includes a processor and a memory, the memory storing instruction such that the processor is programmed to instruct the indicating unit to indicate the first position when the identification unit identifies the first user and to instruct the indicating unit to indicate the second position when the identification unit identifies the second user.

The invention discloses a modulating method of LiFePO4 particle shape, which comprises the following steps: blending one or more composition with lithium ion, ferric ion and phosphate radical ion; adding solvent and certain quantity of crystal growing inhibitor; proceeding solvent heat reaction under certain temperature; washing; filtering; drying; sintering to improve crystallizing property; obtaining the product with regular shape and size.

An electric derailleur has a motor unit having a derailleur motor with an output shaft, a position control mechanism and a controller. The output shaft is rotated through a moveable range including a first derailleur shift position and a second derailleur shift position. The position control mechanism is configured and arranged to provide a position signal indicative of an angular position of the output shaft. The controller detects a predetermined lockup position of the derailleur motor occurring at one of the first and second derailleur shift positions. The controller also sets a predetermined stop position for the derailleur motor that is calculated distance prior to the lockup position based on the position signal of the position control mechanism. Thus, the derailleur motor can be calibrated such that a new stop position is set that prevents an overcurrent from occurring in the motor.

The invention relates to a lithium ion battery low-temperature alternating current heating device for an electric bicycle. The lithium ion battery low-temperature alternating current heating device isused for performing alternating current heating on a power battery. The lithium ion battery low-temperature alternating current heating device comprises a control unit, an energy conversion circuit,an energy storage inductor, a capacitor, a pre-charging circuit and a starting switch, wherein the power battery, the energy storage inductor, the energy conversion circuit and the capacitor are sequentially connected to form a loop; the pre-charging circuit and the starting switch are parallelly connected between the power battery and the capacitor; the control unit is respectively connected withthe energy conversion circuit, the pre-charging circuit and the starting switch, and controls the on-off state of the starting switch according to the temperature information of the power battery, sothat the conversion between the alternating current heating state and the normal power supply state of the power battery can be realized; during the entering of the alternating current heating state,the control unit controls the work state of the energy conversion circuit according to the current information of the power battery in real time; the inside heating is realized in the alternating current charging and discharging process of the power battery. Compared with the prior art, the lithium ion battery low-temperature alternating current heating device has the advantages that the heatingis uniform; the efficiency is high; the newly added devices are few; the cost is low, and the like.

The invention discloses a system and a method for leasing electrical bicycles. The system for leasing the electrical bicycles comprises a plurality of leasing cards, a plurality of electrical bicycles, a plurality of bicycles, a plurality of vehicle managing pillars, a plurality of leasing sites, a leasing management centre and a plurality of leasing user service terminals, wherein the vehicle managing pillar automatically processes the leasing request and return request of users, and automatically charges the returned electrical bicycles; besides, the electrical bicycle can be continuously used for uses to rent under an unmanned condition. By applying the invention, users can use the leasing card to rent and return electrical bicycles in a self-service manner at the vehicle managing pillar. Accordingly, the invention ensures that users can rent the electrical bicycles in a self-service manner, and the returned electrical bicycles are automatically charged, thereby improving the automatic management degree for leasing electrical bicycles.

A bicycle including a wheel that has an axle with a first end and a second end, a motor coupled to the axle, and a frame supported by the wheel. The frame includes a first dropout and a second dropout, and the first dropout defines a recess. The bicycle also includes a torque element that is secured to the first end of the axle and that is shaped to fit within the recess of the first dropout to inhibit rotation of the axle relative to the frame in response to torque from the motor.

An apparatus comprising a contactless battery synchronous power and a battery management system (BSP-BMS) is disclosed. This system includes a battery monitoring unit for monitoring the state of the batteries and a synchronous power unit for controlling the intensity and direction of current during both, charging and discharging processes, including one or several opto-inductive discs for the wireless energy transfer and fast and a lightweight communication scheme. The full system disclosed in this invention is very small in size, lightweight, cost effective and reliable due to its scalable structure, easy parallelization of current control elements and paths, and local and reliable opto-inductive coupling. The invention is aimed at universal, fast and automated charge processes and internal stored energy management for unmanned autonomous vehicles (UAVs) but it can be an effective solution for manned electric vehicles like electric bikes, electric motorcycles or other electric powered vehicles.

The present invention is a positive electrode active material that can be used in secondary lithium and lithium-ion batteries to provide the power capability, i.e., the ability to deliver or retake energy in short periods of time, desired for large power applications such as power tools, electric bikes and hybrid electric vehicles. The positive electrode active material of the invention includes at least one electron conducting compound of the formula LiM¹_x−y{A}_yO_z and at least one electron insulating and lithium ion conducting lithium metal oxide, wherein M¹ is a transition metal, {A} is represented by the formula Σw_iB_i wherein B_i is an element other than M¹ used to replace the transition metal M¹ and w_i is the fractional amount of element B_i in the total dopant combination such that Σw_i=1; B_i is a cation in LiM¹_x−y{A}_yO_z; 0.95≦x≦2.10; 0≦y≦x/2; and 1.90≦z≦4.20. Preferably, the lithium metal oxide is LiAlO₂ or Li₂M²O₃ wherein M² is at least one tetravalent metal selected from the group consisting of Ti, Zr, Sn, Mn, Mo, Si, Ge, Hf, Ru and Te. The present invention also includes methods of making this positive electrode active material.

The invention relates to a bicycle frame comprising a tube section having an interior space for receiving at least one battery unit that is suitable as a source of energy for an electromotive bicycle drive, as well as to a battery unit insertable therein.

To provide an easy operation and at the same time a highly stabilized placement of the battery, it is suggested that said tube section is provided with a lateral opening substantially extending in the direction of extension of said tube section, wherein said battery unit is insertable into said interior space through said lateral opening.

The invention further discloses an electric bicycle intelligent networking terminal and a system thereof. The electric bicycle intelligent networking terminal comprises a main controller, and a battery, a GSM/GPRS (Global System for Mobile/General Packet Radio Service) data transmission module, a positioning module, a Bluetooth module, a speed measuring module, a three-axis acceleration sensor and a three-axis gyroscope module which are connected with the main controller, wherein the GSM/GPRS data transmission module is used for realizing bilateral communication between the electric bicycle intelligent networking terminal and a server; the positioning module is used for positioning by combining a GPS, Beidou satellite positioning, a base station and WIFI (Wireless Fidelity); the Bluetooth module is paired with mobile phone terminal over a Bluetooth signal to realize bilateral communication; the speed measuring module, the three-axis acceleration sensor and the three-axis gyroscope module are used for measuring the running speed and driving direction of an electric bicycle, and transmitting the running speed and driving direction data of the electric bicycle to the main controller. The electric bicycle intelligent networking terminal has good anti-theft alarming, abnormal monitoring, intelligent locking and battery life monitoring functions.

The invention discloses a new intelligent motor battery control system. Based on the former connection of the storage battery, the motor and the controller of electric truck/ battery motor vehicle/electric bicycle, a management system is added for the storage battery, and the motor is internally provided with a state monitoring and communication control module; at the same time, the controller is also additionally provided with a storage battery management system and a motor communication control module. The structure, integrating the storage battery, the motor and the controller, takes advantages of the best control proposal of the control to maximum the service life of the storage battery, providing most electric energy discharging for once; meanwhile, the control proposal, which is designed according to the motor characteristics, promises the motor to optimize the operation on the high efficiency platform. Without changing to the vehicle structure of the former electric truck/ battery motor vehicle/electric bicycle, the system can conveniently and efficiently combine the storage battery, the motor and the controller, thereby improving the energy utilization efficiency of the electric truck/ battery motor vehicle/electric bicycle; moreover, with characteristic of extensive application, and as the rising demand to the electric vehicles nationwide, bringing great yearly demand, the system possesses extremely large social and economic benefits.