209 results about "Electric transportation" patented technology

The utility model provides a battery assembly which comprises a cover plate (2) and a pole (3), and the pole (3) penetrates through the cover plate (2) and is fixed with the cover plate (2) through riveting. According to the battery assembly provided by the utility model, the pole (3) and the cover plate (2) are fixed through riveting, and compared with a welding fixing mode, the fixing operation is simplified, the production efficiency is improved, and the production cost is reduced. The invention further provides a battery and an electric vehicle.

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 thermal management system for an electric vehicle includes a coolant circuit having a pump configured to circulate coolant in the coolant circuit and one or more valves. A controller is adapted to control respective positions of the one or more valves for modifying a coolant pathway in the coolant circuit. The system includes a coolant-to-refrigerant (C2R) heat exchanger fluidly connected to a coolant circuit and a refrigerant circuit. A low temperature radiator is located in the coolant circuit downstream of the C2R heat exchanger. A coolant heater is positioned in the coolant circuit downstream of the cryogenic heat sink, and a compressor is positioned in the refrigerant circuit. The controller is adapted to minimize energy usage for cabin heating in the electric vehicle by minimizing a respective load of the coolant heater, maximizing a respective load of the compressor, and maintaining a threshold suction pressure for compressor operation.

1. Name of the designed product: Electric vehicle (Xinlingdong). 2. Use of the designed product: For electric vehicles. 3. Design points of the designed product: In shape. 4. Picture or photo that best indicates the design points: Perspective view.

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.

The application discloses a charging plug, a charging gun and a joint assembly, and relates to the technical field of ground maintenance. The fluid channel defined by the charging plug is used for connecting a cooling source. The fluid flow cavities are respectively connected with the fluid channel and the fluid interface, so that the cooling circuit of external equipment such as an electric vehicle can be connected with the fluid interface on the charging plug conveniently and quickly, and the heat management capability is improved. In addition, the charging plug can switch the in-out liquid direction through the first and second fluid flow cavities, so that the internal temperature difference of the battery system of the corresponding external equipment can be reduced through the timing switching. Alternatively, the heat exchange fluid in the loop connection cavity can independently perform heat management through the cooling circuit of the external equipment, which is beneficial to improving the accuracy of heat management on the external equipment, improving the temperature uniformity of each position of the external equipment, and enabling the heat exchange fluid in the charging cooling cavity to independently dissipate heat for the to-be-cooled charging terminal or the charging wire harness.

1. Name of the product of this design: electric vehicle. 2. Application of this design product: electric vehicles. 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. 5. The bottom surface of this design product is difficult 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.

1. Name of the product of this design: Electric Vehicle (II). 2. Application of this design product: electric vehicles. 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. 5. The bottom surface of this design product is difficult to see or cannot be seen during use, so the top view is omitted.

The utility model discloses a charging device, and relates to the technical field of charging. The charging equipment comprises a pile body, the pile body is provided with a pile end connector, the pile end connector is used for being connected with an electric vehicle, and the electric vehicle is provided with a battery cavity; and the heat management module is constructed to be communicated with the battery cavity to form a battery heat exchange branch under the condition that the pile end interface is connected with the electric vehicle, so that insulation heat exchange fluid in the heat management module flows in the battery heat exchange branch and is charged into the battery cavity. The charging equipment provided by the utility model provides a heat management function for the battery pack on the electric vehicle, so that the fast charging speed can be further improved.

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.

A method for displaying an alarm (4) for warning of insufficient available drive power in an electric vehicle, comprising the following steps: detecting (32) a measured value for determining the current power of an energy accumulator of the electric vehicle by means of a detection unit (24), determining (34) the current peak power and / or continuous power of the energy accumulator based on the detected measured value by means of a processing unit (22), comparing (36) the current peak power and / or continuous power with a threshold value for peak power and / or continuous power by means of the processing unit (22), and displaying (38) the alarm (4) by means of a display device (14) when the threshold value for peak power and / or continuous power is lowered, wherein the method is only started when an attempt is made to establish (30) readiness to drive.

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.

An active discharge circuit for an electric vehicle inverter, the active discharge circuit being intended to be connected in parallel with a DC link capacitor connected between a positive line and a negative line of a DC power link, wherein the circuit comprises a dissipation current source, a switch connected in series with the current source between the DC lines, and a controller connected to the switch and arranged to apply an activation signal in response to a control signal, the activation signal placing the switch in an on-state, wherein the current source is configured to draw a discharge current and dissipate any energy stored in the DC link capacitor when the switch is in the on-state. As long as the switch is closed by the activation signal, the current source draws a constant current and dissipates power, and the voltage across the DC link capacitor decreases linearly.

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.

Examples of the invention may include a method of constructing a battery pack for an electric vehicle, including fixedly disposing at least one battery module in a lower tray. Examples include covering a lower tray with an intermediate baffle, defining a coolant reservoir located between the lower tray and the intermediate baffle, where at least one battery module is positioned partially through a battery module opening of the intermediate baffle, where an electrical coupling of the at least one battery module is located above the intermediate baffle, and where the coolant reservoir is located between the lower tray and the intermediate baffle. And the remainder of the at least one battery module is located below the intermediate baffle in the coolant reservoir. Examples may include sealing an intermediate baffle to at least one battery module to sealingly retain coolant in the coolant reservoir.

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.