137 results about "Electric transportation" patented technology

The invention addresses key challenges in electric transportation by introducing novel solutions for electric vehicles (EVs) and their batteries, Recharge time is reduced to 2-5 minutes through optimized battery design and automated charging systems. Battery performance is enhanced via thermal management using a dedicated hydrogen-based heating and cooling system. Vehicle range is extended by reserving the main battery for propulsion, while cabin climate control is handled separately using a hydrogen heater and a hydrogen-powered compressor for air conditioning. An electric vehicle integrating these features is referred to as an Efficient Electric Vehicle (EEV).

A method (500) performed by an electric vehicle controller (210) in which a vehicle (100) has a plurality of battery packs (110a, 110b, 110c, 110d), each having its own heating device (230) to individually adjust the respective battery pack temperature. The method (500) includes detecting when a temperature of the battery pack (110a, 110b, 110c, 110d) falls below a specified lower threshold level. Upon detection, the heating device (230) is allowed to provide heat to a different first set (105) of battery packs while not allowed to provide heat to a separate second set (107) of battery packs. This selective heating strategy occurs when it is found that the battery temperature is below the lower threshold level. A corresponding controller (210) and an electric vehicle (100) are also described.

A cooling system for an electric vehicle includes a first cooling circuit that circulates coolant to cool at least one of power electronics and a motor / generator of the vehicle. The first coolant circuit includes a heat exchanger for exchanging heat with the coolant in the first cooling circuit. A second cooling circuit is provided for circulating a coolant to cool a battery of the vehicle. The second cooling circuit includes a coolant cooler connected to a refrigeration system of the vehicle to exchange heat in the coolant received from the battery with the refrigeration system of the vehicle.

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.

This disclosure relates to an electric vehicle, which may include a first plate-shaped platform, a second plate-shaped platform, wheels, a motor disposed within the wheels, a power supply assembly for powering the electric vehicle, a first connecting arm assembly disposed opposite to both ends of a motor shaft, at least one sensor, and at least one controller. Each of the two opposite ends of the motor shaft is fixed to a mounting platform, and each mounting platform includes two oppositely disposed connecting arms. The first arm assembly is fixedly connected to the mounting platform to fix the first plate-shaped platform to the motor shaft, and the second arm assembly is rotatably connected to the first arm assembly to allow the second plate-shaped platform to rotate relative to the first plate-shaped platform.

The application provides a gear shift controller, a gear shift control system and an electric vehicle, and relates to the technical field of vehicles. The gear shift controller comprises a first switch unit, a second switch unit, a third switch unit and a processing unit. The first ends of the first switch unit are respectively connected to the second connection terminals of the multi-phase windings in the permanent magnet motor, and the second ends of the first switch unit are respectively connected to the fourth connection terminals of the multi-phase windings. The first ends of the second switch unit are respectively connected to the second connection terminals of the multi-phase windings, and the second ends of the second switch unit are respectively connected to the third connection terminals of the multi-phase windings. The first ends of the third switch unit are respectively connected to the first connection terminals of the multi-phase windings, and the second ends of the third switch unit are respectively connected to the third connection terminals of the multi-phase windings. The gear shift controller can be used for performing gear shift control on the multi-phase windings in the permanent magnet motor, so that the efficiency of the permanent magnet motor is optimal.

The application belongs to the technical field of battery management, and discloses a parallel battery cooperative control method and system based on a communication bus. The method adopts a decentralized architecture, each battery module periodically broadcasts its own information containing MOS state semantics through the communication bus, and receives other information; each module autonomously decides the switch of the charging and discharging MOS based on a preset rule. The core innovation includes: the MOS closed state is semantically classified into protection closed, logic closed and other types, precise cooperation is realized; a channel giving mechanism is introduced, so that the recovery process after protection is removed has no circulating current; in the discharging state, the braking signal and voltage judgment are combined to intelligently control the feedback current absorption; each module assigns an ID by broadcasting a unique code, supporting hot plug. The application completely eliminates the single-point fault of the traditional scheme, significantly improves the reliability, expandability, safety and energy efficiency of the parallel system, and is suitable for electric vehicles, energy storage devices and other fields.

1. Name of the product in this design: Electric Vehicle (Trendy and Smart Upgrade). 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 key design points: Design 1 3D view. 5. Design 1 is designated as the basic design.

This invention relates to the technical field of energy storage control in transportation, and provides a method and system for energy storage control in transportation. The method includes: acquiring real-time status information of an electric vehicle; when the real-time status information indicates a low-load operating state or a charging state, applying a current pulse to the battery cell and measuring the voltage response; calculating the internal resistance and available power based on the voltage response and storing it as a performance record; acquiring future operating plans and analyzing the charge and discharge load of the battery cell in future operating cycles based on the future operating plans; obtaining risk analysis results based on the performance record and charge and discharge load; setting personalized balancing targets for the battery cell based on the risk analysis results; and pre-allocating energy to the battery cell according to the personalized balancing targets when the real-time status information indicates a low-load operating state or a charging state. This invention improves the overall performance of energy storage control in transportation.

The utility model discloses a fireproof flame-retardant lithium battery pack, which comprises a shell, a cover body, a plurality of lithium battery bodies and a binding post, the bottom of the binding post penetrates through the cover body and extends to the bottom of the shell, a pressure-resistant storage box is arranged in the shell, and a dry powder extinguishing agent is filled in the pressure-resistant storage box. A release mechanism is arranged at the bottom of the pressure-resistant storage box; the releasing mechanism comprises a plurality of releasing holes, two sealing plates, two sealing gaskets and a plurality of clamping blocks, the releasing holes are formed in the bottom of the pressure-resistant storage box, and the problems that in the prior art, fire extinguishing sand is large in density, the fire extinguishing agent is heavy under the same volume unit, the weight of a lithium battery pack is directly increased, and the fire extinguishing effect is poor are solved. When a lithium battery pack is applied to an electric vehicle, the electric vehicle needs to overcome larger gravity to do work in the running process, so that energy consumption is increased, and environmental protection is not facilitated.

A power inlet connector assembly configured for use in charging an electric vehicle includes a housing subassembly (102) containing a plurality of direct current (DC) electrical terminals (104) configured for mating with corresponding DC electrical terminals of a power outlet connector of an electric vehicle charging device external to the electric vehicle, and a cover subassembly (202) configured for connecting and disconnecting with the housing subassembly (102). The cover subassembly (202) contains an electrical busbar (206) and an alternating current (AC) electrical terminal (208) having a first end (210) configured for mating with a corresponding AC electrical terminal of the power outlet connector of the electric vehicle charging device. The electrical busbar (206) is configured for connecting and disconnecting with the DC electrical terminals (104), and the AC electrical terminal (208) is configured for insertion into and removal from a terminal cavity defined by the housing subassembly (102).

To provide a system in a facility, capable of stably providing service by using a plurality of electrically-driven mobilities in the facility, and to provide the electrically-driven mobility.SOLUTION: A system in a facility includes a plurality of electrically-driven mobilities (M), and a server (100) in which information on the plurality of electrically-driven mobilities (M) is stored. In the system, a user operates one electrically-driven mobility (M) among the plurality of electrically-driven mobilities (M) in the facility so as to move the one electrically-driven mobility (M), and when the use of the one electrically-driven mobility (M) by the user is ended, the one electrically-driven mobility (M) is arranged in a standby position.SELECTED DRAWING: Figure 1

1. Name of the designed product: Electric vehicle (C05). 2. Use of the designed product: The design is used as an electric vehicle. 3. Design points of the designed product: The shape. 4. Picture or photo that best indicates the design points: Perspective view.

The invention relates to the field of electrical engineering and is intended for powering a load from a rechargeable battery of an electric personal vehicle, such as an electric motorbike, an electric car, or the like. A supercapacitor-based power amplifier for an electric personal vehicle consists of a DC-to-DC converter and several series-mounted supercapacitors. The DC-to-DC converter is mounted in series between a rechargeable battery of the electric vehicle and an input of an electric drive of the vehicle, and the supercapacitors are mounted in parallel to the DC-to-DC converter. The DC-to-DC converter contains a bypass switch. The invention enables the motor of an electric personal vehicle to reach maximum power within a short space of time, and also increases the service life of a rechargeable battery of an electric personal vehicle by allowing control of the battery current.

The application provides a cooling and heating system of an electric vehicle and a vehicle energy supply method. The cooling and heating system comprises one or more first energy storage devices, one or more second energy storage devices, a pneumatic conveying device and a temperature control module. The pneumatic conveying device comprises a circulating pipeline and a conveying pump on the circulating pipeline. The first energy storage device is filled with a first energy storage medium, and the second energy storage device is filled with a second energy storage medium. The temperature range of the first energy storage medium and the second energy storage medium is from-250 DEG C to 3000 DEG C. The inlet of the first energy storage device is connected with the conveying pump through the circulating pipeline. The outlet of the first energy storage device is connected with the inlet of the second energy storage device through the circulating pipeline. The outlet of the second energy storage device is connected with the electric vehicle through the circulating pipeline. Through the application, the energy storage device provides heat / cold for the pure electric vehicle without consuming battery energy, and supports super-high temperature and super-low temperature cooling and heating.

The present application provides a battery with a cooling structure, the battery comprises a cooling plate assembly and a battery module, the cooling plate assembly comprises a horizontally arranged first cold plate and a plurality of vertically arranged second cold plates, the plurality of second cold plates are sequentially arranged at intervals along the horizontal direction, independent cooling liquid channels are respectively arranged in the first cold plate and the second cold plate; the first cold plate is at least located on one side of the second cold plate in the vertical direction, the battery module is located between the two adjacent second cold plates, and the two opposite side faces of the battery module are cooled through the two adjacent second cold plates respectively. The top surface and / or the bottom surface of the battery module are / is cooled through the first cold plate. The utility model further provides a battery pack and an electric vehicle.

1. Name of the designed product: Electric vehicle (C03). 2. Use of the designed product: The design is used as an electric vehicle. 3. Design points of the designed product: The shape. 4. Picture or photo that best represents the design points: Perspective view.

The application provides a construction and solution method and system of an electric traffic flow queuing-battery model, relates to the technical field of intelligent traffic, and comprises the following steps: acquiring traffic network basic parameters, electric vehicle performance parameters and commuting flow data; performing traffic network framework modeling according to the traffic network basic parameters to obtain a traffic network structure; performing electric quantity evolution modeling according to the traffic network structure and the electric vehicle performance parameters to obtain an electric vehicle network model based on a road section; performing traffic flow parameter modeling according to the electric vehicle network model to obtain road section supply-demand parameters; performing network flow distribution modeling according to the road section supply-demand parameters and the commuting flow data, calculating flow transfer between upstream and downstream road sections through a node flow function, and constructing a queuing-battery model; and performing numerical solution according to the queuing-battery model to obtain complete state results of the electric traffic system. The application takes into account the calculation efficiency and accuracy requirements of large-scale electric traffic system modeling.

1. Name of the product in this design: Electric tricycle. 2. Intended use of this design: for electric 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 invention discloses a middle motor with an adjustable reduction ratio and a harmonic reducer. According to the technical scheme, the middle motor comprises an end cover, a motor stator assembly, a motor rotor, a wave generator, a flexible gear, a rigid gear, an adjustable-speed motor, an adjustable-speed gear, a controller and other core components. The wave generator is coaxially arranged in the flexible gear, the flexible gear is meshed with the rigid gear, the bottom of the flexible gear is connected with the output flange, an outer gear ring is arranged on the outer circumference of the rigid gear, and the speed regulating motor is meshed with the outer gear ring of the rigid gear through a speed regulating gear to drive the rigid gear to rotate. During working, the motor rotor drives the wave generator to enable the flexible gear to deform and transmit, the torque sensor detects the torque of the main shaft and feeds back the torque to the controller, the controller regulates and controls the speed regulating motor to drive the rigid gear to rotate, and dynamic regulation of the reduction ratio is achieved by changing the relative rotating speed difference of the rigid gear and the flexible gear. The power transmission device can meet the requirements of multiple working conditions such as vehicle starting, climbing and high-speed running, the power transmission efficiency and the endurance mileage are improved, and the power transmission device is compact in structure, high in reliability and suitable for electric vehicles such as electric bicycles and electric motorcycles.

The invention relates to the technical field of underground electric transportation equipment, and discloses a bidirectional driving electric vehicle suitable for short-wheelbase steering in a narrow roadway, which comprises a vehicle body, a first frame arranged at the bottom of the vehicle body, a second frame arranged at the bottom of the first frame, a front axle arranged on the left side of the bottom of the second frame, and a rear axle arranged on the right side of the bottom of the second frame. Magnetic attraction assemblies are fixedly connected to the tops of the front axle and the rear axle, a plurality of driving assemblies electrically connected with the magnetic attraction assemblies are slidably arranged at the bottom of the second frame, a plurality of elastic dampers are fixedly connected to the bottom of the second frame, and sliding rings sliding outside the driving assemblies are rotatably connected to the inner wall of the second frame. According to the invention, through the magnetic attraction linkage of the first electromagnet and the second electromagnet among the front axle, the rear axle and the second frame, the vehicle body can be driven to realize about 30-degree single steering around the axis of the top column, and multiple repeated operations are supported to adjust the angle, so that the trafficability and the steering flexibility of the vehicle in a narrow roadway are greatly improved.

1. The name of the design product: electric vehicle (GK31). 2. The use of the design product: the patent is an electric bicycle, an electric vehicle for people to ride. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective drawing.

1. Name of the designed product: electric bicycle. 2. Use of the designed product: electric vehicle for human riding. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

The application provides a high-performance lead-acid battery AGM separator and a preparation method and application thereof, and is composed of 25-30SR glass fibers accounting for 40-50% of the total fiber mass, 30-40% of 30-35SR glass fibers, 3-18% of two-component organic fibers, 5-10% of 40-45SR glass fibers, 3-8% of 14-24SR centrifugal cotton and 1-3% of additive fumed silica; in the application, the chemical stability of the 25-30SR glass fibers is improved, corrosion is prevented and the service life of the separator is prolonged; the mechanical properties are guaranteed by the interpenetrating network structure formed by the two-component organic fibers and the buffering network formed by the 40-45SR glass fibers, so that the battery structure is stable and the performance deterioration is reduced; the pore structure is optimized by the specific glass fiber interweaving and the glass fiber, so that the electrolyte storage, ion transmission and active material migration are promoted; the fumed silica makes the fibers not easy to be mutually adhered and aggregated in the beating process, and the cycle life of the battery in the electric vehicle can be prolonged and the endurance attenuation can be reduced.

1. The name of the design product: electric vehicle (SILIAN-VV1). 2. The use of the design product: the design is used as an electric vehicle. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

1. Name of the product subject to this design: Electric Vehicle (G700). 2. Purpose of this design: For electric bicycles, electric vehicles for human riding. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

A cooling system for an electric vehicle includes a first cooling circuit that circulates coolant to cool at least one of the vehicle's power electronics and a motor / generator. The first coolant circuit includes a heat exchanger for exchanging heat with the coolant in the first cooling circuit. A second cooling circuit is configured to circulate coolant to cool the vehicle's battery. The second cooling circuit includes a coolant cooler connected to the vehicle's refrigeration system to exchange heat received from the battery in the coolant with the vehicle's refrigeration system.

Aspects of the present disclosure relate to a set of co-aligned mass reduction openings in a laminated stack for rotors. These co-aligned mass reduction openings reduce the mass and inertia of the rotor while avoiding negative effects on other characteristics of the rotor. In particular, the laminated stack may also include other co-aligned openings that are fluidly coupled together to form a fluid channel that allows a cooling fluid to flow therethrough. The set of co-aligned mass reduction openings may be blocked to prevent cooling fluid from flowing into the mass reduction openings, as such undesired flow may reduce cooling efficiency and affect rotor balance. The rotor may be disposed in a motor of an electric vehicle.

The present invention relates to an adapter for an electric transportation device and a manufacturing process thereof, wherein a power supply pin is provided at the center of an electricity supply unit, a pair of signal transmission / reception pins are installed on both sides of the power supply pin, a pair of guide pins are provided on both sides of the power supply pin in another direction, a power reception pipe to which the power supply pin is coupled is provided at the center of an electricity reception unit, a signal transmission / reception pipe to which one signal transmission / reception pin is coupled is provided on one side of the power reception pipe, a space into which one signal transmission / reception pin is inserted in a non-contact manner is formed on the other side thereof, and a pair of guide holes to which the guide pins are coupled are provided on both sides of the power reception pipe in another direction, whereby the coupling structure of the electricity supply unit and the electricity reception unit has excellent insulation and durability, and is a bidirectional connection type capable of conducting electricity even when the coupling direction of the electricity transmission unit and the electricity reception unit is changed by 180 degrees, thereby increasing convenience of use.