380 results about "Electric bicycle" patented technology

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.

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.

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.

The present invention relates to a drive unit of an electric bicycle, comprising a bearing receptacle which is designed to hold a bearing, wherein the bearing receptacle is designed to be attached directly to a frame interface of the electric bicycle by means of at least one fixing element.

1. Name of the product in this design: Electric-assisted bicycle (20-inch D model). 2. Purpose of this design: This design is for a bicycle vehicle. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

1. Name of the designed product: Electric bicycle (X70). 2. Use of the designed product: for commuting. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: perspective view. 5. The bottom surface of the designed product is the part that is not easy to see or cannot be seen during use, so the top view is omitted.

1. Name of the product subject to this design: Electric Bicycle (Baiguo). 2. Intended use of this design: This design is intended for use as an electric vehicle. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention relates to a method for operating an electrically driven bicycle having a drive unit, a driven element, a rear wheel and a mechanical transmission path between the driven element and the rear wheel, comprising the following steps: determining an engagement time point from which forward movement of the electrically driven bicycle is achieved by introducing a driven torque at the driven element and / or a torque is established in the transmission path of the electrically driven bicycle, and prior to the engagement time point, a pretension torque is generated in a controlled manner by means of the drive unit for mechanical pretensioning of the transmission path.

The application discloses a drive system fault analysis method and system based on motor current ripple, and relates to the field of electric bicycle drive state monitoring. The method comprises the following steps: collecting motor stator current signals, rotating speed, electric angle and environmental working condition parameters synchronously, removing noise interference by combining adaptive filtering technology, and extracting target ripple signals carrying load information; based on the physical parameters of the motor and the structure of the drive system, a dynamic coupling model is constructed to generate theoretical reference ripple signals under normal and multiple fault states; by comparing the measured ripple signals with the reference signals, system deviation information is obtained, and a composite fault feature vector is further extracted; finally, the feature vector is mapped to a fault mode library to accurately identify fault types such as gear wear, chain slack or bearing defects. Thus, through real-time analysis of the motor current ripple, the health monitoring capability of the electric bicycle drive system and the driving safety are effectively improved.

1. Name of the designed product: Electric bicycle (M36). 2. Use of the designed product: A vehicle. 3. Design points of the designed product: In shape. 4. Picture or photo that best shows the design points: Perspective view 1.

This invention discloses a helmet-wearing monitoring system for electric bicycle riders based on drone aerial photography. The system includes a gimbal mounted on the drone, with a camera integrated on the gimbal. The drone performs low-speed aerial photography over a designated road, transmitting the captured road images to a processing unit. The processing unit detects whether any electric bicycle riders are not wearing helmets in the road images; if so, the drone issues a helmet-wearing reminder. This invention improves the YOLOv7 network structure to enhance the helmet detection accuracy for electric bicycle riders, thereby addressing the issue of riders not wearing helmets.

1. Name of the design product: Electric bicycle (qd-a1). 2. Use of the design product: For riding. 3. Design points of the design product: In shape. 4. Picture or photo best indicating the design points: Perspective view. 5. The bottom surface of the design product is the part that is not easy to see or cannot be seen during use, and the top view is omitted.

The utility model belongs to electric bicycle technical field, and disclose a kind of electric bicycle reinforced type pedal assembly, including two parallelly arranged mounting bracket and the reinforcing component being installed between two mounting brackets, the reinforcing component includes three support rods being distributed and being set between two mounting brackets in triangular shape, and the left and right ends of support rod are integrally formed with connecting stud, the sidewall of support rod is sleeved with protective sleeve, and support pipe is supported between the corresponding side of protective sleeve and mounting bracket, the connecting stud is screwed between the corresponding side of support pipe and mounting bracket, the bottom of the side of mounting bracket away from support rod is equipped with pedal plate, and installation shell is supported between the protective sleeve of upper side two. By the above scheme, the problem that the connection with electric bicycle is prone to loosen after long time use, resulting in insufficient safety, is solved although the structural strength of the existing structure is improved.

This utility model provides a lithium battery pack for electric bicycles with a waterproof structure, including a shell and a top cover. The upper end of the shell is provided with an inner ring baffle, an outer ring baffle, and a frame from the inside out. A sealing groove is provided at the interval between the inner and outer ring baffles. The top cover is provided with a plug-in ring and a rim from the inside out. The plug-in ring engages with the sealing groove. The rim is fitted around the outer circumference of the outer ring baffle and abuts against the frame. Several rubber rings are provided vertically on the outer side of the outer ring baffle, and several annular grooves are provided vertically on the inner side of the rim. These annular grooves are used to engage with the rubber rings. The inner ring baffle, outer ring baffle, sealing grooves, plug-in ring, and rim together form a multi-layered sealing structure. The sealing performance is further improved by the interaction of the rubber rings on the outer ring baffle and the annular grooves on the inner side of the rim, resulting in a good waterproof structure and effectively improving the waterproof performance of the battery pack.

An automatic fire extinguisher specially designed for electric bicycles, comprising a fire extinguisher bottle, and a fire extinguishing agent in the fire extinguisher bottle; the fire extinguishing agent adopts ammonium phosphate dry powder, and a sealing plate is fixedly arranged at a nozzle opening of the fire extinguisher bottle; the sealing plate melts after being heated to a set temperature, and the fire extinguishing agent is sprayed out from the fire extinguisher bottle through the nozzle. The invention has the following advantages: it has a small size and can be carried on an electric bicycle; in the event of a fire, it can automatically activate and extinguish the fire, ensuring the safety of people and property; its structure is simple, facilitating mass production and manufacturing with lower production costs, making it suitable for widespread application and promotion.

1. The name of the design product: front footrest (bear paw folding). 2. The use of the design product: the design is used as a footrest for electric bicycle accessories. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective drawing.

This application belongs to the field of Bluetooth and sensor technology, and discloses a method and device for automatic unlocking of a Bluetooth helmet. The method includes: establishing a Bluetooth pairing connection between the Bluetooth helmet and at least one target electric bicycle; the Bluetooth helmet sending a preliminary unlocking command to a seating status detection module at the seat of the target electric bicycle; the seating status detection module receiving the preliminary unlocking command and detecting whether the user is seated; if the seating status detection module detects that the user is seated, the target electric bicycle sends a status confirmation signal to the Bluetooth helmet; the Bluetooth helmet receiving the status confirmation signal and sending a formal unlocking command to the target electric bicycle through the Bluetooth pairing connection; the target electric bicycle receiving the formal unlocking command and performing an automatic unlocking operation. This application improves the convenience of vehicle unlocking while ensuring security, effectively preventing accidental unlocking; it also improves user convenience and reduces the risk of electric bicycle theft.

1. Name of the designed product: Electric bicycle frame (FD17). 2. Use of the designed product: The designed product is used for electric bicycles. 3. Design points of the designed product: In shape. 4. Picture or photo that best indicates the design points: Perspective view 1.

1. Name of the designed product: children's electric bicycle. 2. Use of the designed product: for children's electric bicycle. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: perspective view. 5. The bottom view is omitted because it is not visible during use.

This invention belongs to the field of tooling technology for electric bicycle frame manufacturing, and discloses a splicing and welding tooling for electric bicycle frames. It is used for shaping and welding frame components, including main side tubes, secondary side tubes, outer and inner plates of the center plate, and attached metal parts. The splicing and welding tooling includes: a base; and a clamping assembly arranged on the base for spatial shaping of the main side tubes, secondary side tubes, and attached metal parts. This invention uses a clamping assembly on the base for the main side tubes, secondary side tubes, and attached metal parts, combined with pneumatic push rods, pneumatic side pushers, manual clamps, and pneumatic flipping clamps to partition and position different tube sections and attached metal parts. This allows the main side tubes, secondary side tubes, outer and inner plates of the center plate, connecting plates, and multiple attached metal parts to be stably clamped according to the actual spatial contour of the frame, thereby reducing lateral offset and angular deviation before and after welding of irregularly shaped frames and improving the consistency of frame component welding positioning.

1. Name of this design product: Mobile phone navigation holder (Cycling QXS016). 2. Purpose of this design: A mobile phone navigation holder for use on electric bicycles, motorcycles, and other vehicles. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model relates to electric bicycle detection device technical field, concretely relates to electric bicycle brake distance detection device, including the brake trigger module of installation in electric bicycle brake handlebar part, one side of brake trigger module is provided with rectangular pole, the bottom fixed mounting of rectangular pole has fixed base, the upper and lower two symmetrical fastening bolts fixed between rectangular slipper and rectangular pole are connected with the sliding of rectangular pole, the front side of rectangular slipper is fixedly installed with laser ranging sensor, the front side of rectangular slipper still is fixedly installed with infrared lamp, the upper surface of fixed base is fixedly installed with water storage tank, the top of water storage tank is fixedly installed with the adding pipe for adding water, is screwed on adding pipe with screw cap. The utility model is beneficial to the detection operation of brake distance, and convenient operation, use.

This disclosure provides a maintainable and refittable electric bicycle and devices thereof. The devices include a power-source system. The power-source system includes a battery, a battery management module, and a control module. The battery management module and the control module are integrated in an integrated control device. The power-source system is designed to be installed on an electric bicycle in order to control and manage supply of power for the electric bicycle. With the configuration, the battery and the modules can be integrated into the power-source system, and the only wiring work before the electric bicycle can be powered is to wire the power-source system to a driving device. This solves the problem of existing electric bicycles about complicated wiring and provides users with freedom to assemble and refit the electric bicycle.

1. The name of the design product: electric bicycle frame (ZHF-001). 2. The use of the design product: for the frame of electric bicycle. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The present invention relates to a drive unit of an electric bicycle, comprising a motor, a crankshaft with a crank axle, a housing in which the motor is arranged, the housing having a first mounting area and a second mounting area, wherein the first mounting area and the second mounting area are configured for attaching the drive unit to a frame interface of the electric bicycle, wherein in a section plane through the drive unit and orthogonal to the crank axle: a first mounting axis is defined which connects the crank axle and a first center point of the first mounting area, and a second mounting axis is defined which connects the crank axle and a second center point of the second mounting area, wherein a mounting angle between the first mounting axis and the second mounting axis is greater than 30° and less than 90°.wherein each fastening area has two fastening elements, which are each arranged axially aligned.

1. Name of the designed product: Bicycle basket (fashion iron C). 2. Use of the designed product: The design is used as a bicycle basket for electric bicycle accessories. 3. Design points of the designed product: The shape. 4. Picture or photo that best indicates the design points: Perspective view 1.