82results about How to "Increase mileage" patented technology

The invention discloses a whole-vehicle thermal management system of a pure electric vehicle based on a shell-and-tube phase change heat accumulator and a control method of the whole-vehicle thermal management system. The whole-vehicle thermal management system comprises a control module, a heat pump air conditioning system, an electric heating and phase change heat storage system, a battery thermal management system and an electric drive cooling system. The control module controls the rotating speed of the compressor and the opening degree of the electronic expansion valve and adjusts refrigerant flow. The control module controls the rotating speed of each water pump and adjusts the cooling liquid flow; the control module controls the fan and the air blower to adjust the air flow, controls the on-off states of the four-way valves, the three-way valves and the one-way valves and adjusts circulation loops of refrigerants and cooling liquid, and therefore energy coupling between different systems and switching of different working modes are achieved. According to the invention, energy coupling and integrated management among the systems are realized, and the thermal management requirement is met with low energy consumption in multiple scenes.

The invention discloses an engine lubricating system which comprises an oil pan, an electronic oil pump and a main oil duct, the main oil duct is communicated with an oil chamber of the oil pan through the electronic oil pump, and the electronic oil pump is controlled to guide lubricating oil in the oil pan to the main oil duct; the hydraulic system further comprises a piston cooling nozzle oil duct, the piston cooling nozzle oil duct is communicated with the main oil duct through a valve body, and the valve body is controlled to be opened and closed so that the piston cooling nozzle oil duct can be communicated with or disconnected from the main oil duct. A plurality of piston cooling nozzles are arranged on the piston cooling nozzle oil duct, and the plurality of piston cooling nozzles are controlled to be opened and closed uniformly through a valve body; the problem of energy waste of a current lubricating system can be solved, meanwhile, the size of an oil pump is reduced under the same oil pumping condition, and the difficulty of vehicle structural layout is lowered.

The invention discloses a two-stage energy consumption prediction path planning method based on deep learning, which predicts and optimizes the energy consumption of an electric vehicle by using a deep learning technology, not only considers various factors such as road gradient, traffic condition and vehicle load, but also combines historical driving data and real-time traffic data, so that the energy consumption of the electric vehicle is predicted and optimized. Therefore, accurate prediction of energy consumption of a specific route is realized. Besides, through a two-stage solution, the initial stage mainly focuses on prediction before departure, and the subsequent stage focuses on prediction after departure in a journey, so that the energy consumption can be roughly predicted before the journey starts, and dynamic adjustment can be performed according to real-time traffic data in the journey, so that the energy consumption can be effectively reduced. Therefore, more accurate energy consumption prediction is realized.

The invention provides panoramic glass and a vehicle, the panoramic glass comprises a glass substrate and a reflecting layer arranged on the glass substrate, the glass substrate has the width D1 in the first direction and the length D2 in the second direction, the ratio D2 / D1 of the length D2 to the width D1 is larger than or equal to 1, and the glass substrate is provided with a light-transmitting area and a sunshade area located above the light-transmitting area; the reflecting layer is arranged in the sunshade area, and the total solar transmittance TTS of the sunshade area is smaller than or equal to 35%. According to the panoramic glass, the reflecting layer is arranged on the glass substrate and is arranged in the sunshade area, so that the panoramic glass can bring a wider visual field to a driver, the reflecting layer reflects sunlight, the total solar transmittance TTS of the sunshade area is smaller than or equal to 35%, the utilization rate of a refrigerating device in a vehicle is reduced, more vehicle energy is used for driving, and the driving safety is improved. In addition, the reflecting layer can further achieve the sun-proof effect, eyes of a driver are prevented from being dazzling, and the driving safety is improved.

The present invention provides a composite braking system for an electric vehicle, comprising a hydraulic braking module, a regenerative braking module, a vehicle controller VCU, an EBS controller and a motor controller MCU, wherein the regenerative braking module comprises a backup battery, a storage battery, a super capacitor, a flywheel module, a regenerative braking energy management controller MCU, a battery management control unit MCU and an adjustable transformer. The present invention also provides a control method for a composite braking system for an electric vehicle, which can buffer and charge the storage battery and the backup battery through the super capacitor and the flywheel module, and make the storage battery and the backup battery meet the charging conditions by controlling the charging and discharging of the storage battery and the backup battery, so as to recover the regenerative braking energy as much as possible, thereby solving the problem in the prior art that the regenerative braking is affected by the storage battery SOC, the battery temperature and the high-power current cannot be absorbed by the battery, and the proportion of regenerative braking in the total braking is low, thereby improving the energy recovery utilization rate.

The utility model discloses a primary-secondary transport vehicle system. The primary-secondary transport vehicle system comprises a primary vehicle, a secondary vehicle and a connecting cable. The primary vehicle is provided with a primary vehicle battery and a primary vehicle walking mechanism, the primary vehicle battery is electrically connected with the primary vehicle walking mechanism, the secondary vehicle is provided with a secondary vehicle battery and a secondary vehicle walking mechanism, the secondary vehicle battery is electrically connected with the secondary vehicle walking mechanism, the secondary vehicle can be loaded on the primary vehicle, and the two ends of a connecting cable can be connected with the primary vehicle and the secondary vehicle respectively. And the secondary vehicle battery is electrically connected to the primary vehicle walking mechanism. When the mother vehicle transports the son vehicle, the son vehicle battery and the mother vehicle battery can be connected through the connecting cable, when the electric quantity of the mother vehicle battery is exhausted, the son vehicle battery can be switched to continuously supply power to the mother vehicle traveling mechanism, and the traveling mileage is prolonged by fully utilizing the batteries of the two vehicles.

The invention relates to the technical field of compressed natural gas automobiles, and discloses a 35MPa compressed natural gas supply system and method for an automobile, and the system comprises a gas cylinder cabin, a gas filling cabin and an engine cabin; a plurality of carbon fiber fully-wound gas cylinders with the rated pressure of 35MPa are mounted in the gas cylinder cabin; a cylinder valve is integrated with a flow sensor, a temperature sensor and a pressure sensor; a gas filling port, a one-way valve, a high-pressure pressure gauge, a high-pressure stop valve, a high-pressure precision filter and a pipeline overcurrent protection valve are mounted in the gas filling cabin, the one-way valve and the high-pressure stop valve are jointly connected to one end of the pipeline overcurrent protection valve, and the other end of the pipeline overcurrent protection valve is connected with a high-pressure gas storage bottle; a high-pressure electromagnetic valve and a high-pressure pressure reducer are mounted in the engine compartment; the other end of the high-pressure electromagnetic valve is connected with the high-pressure precision filter; according to the scheme, the cabin thought design is adopted, the integration and modularization degree is high, the combination requirements of different gas cylinder sets can be met, installation and layout of different vehicle types are facilitated, a 35 MPa compressed natural gas automobile can be smoothly implemented, and the scheme is particularly suitable for being used by a 35 MPa compressed natural gas truck.

The application discloses a wheel-foot switching robot power switching module, a leg part and a robot, and the power switching module comprises a camshaft module and a central rotating shaft module; power is provided by a first power source to drive the camshaft module and the central rotating shaft module to cooperate to realize switching between a first working position and a second working position; when the first working position is reached, the camshaft module is in contact with the central rotating shaft module, power is provided by a second power source to enable a wheeled mechanism and a lower leg mechanism installed on the central rotating shaft module to obtain power; when the second working position is reached, the camshaft module is separated from the central rotating shaft module, power is provided by a second power source of the wheel-foot robot to enable the wheeled mechanism installed on the central rotating shaft module to obtain power and the lower leg mechanism to lose power. The thigh motor is used as the first power source to provide power, and then the camshaft module and the central rotating shaft module are combined in a skillful manner, so that power transmission under different working positions is realized.

The utility model discloses a battery changing structure for an aircraft, which belongs to the technical field of new energy and energy conservation and is characterized by comprising a module battery, quick clamping mechanisms are movably connected to two sides of the module battery, and splicing mechanisms are movably connected to the front side and the rear side of the module battery. By means of the hollow inner cavity, the sectional clamping sliding block and the linkage structure, the supporting block can be triggered to automatically support the inner wall of the battery bin tightly by extruding the protruding block when the module battery is in sliding connection, the effects of being fast and stable to install, not occupying external space and being convenient to disassemble are achieved, the problem that it is troublesome to replace the lithium battery module outdoors is solved, no complex tool is needed, and the cost is reduced. Through the optimized splicing structure of the module battery shell, pre-splicing through insertion connection and elastic clamping connection is achieved, on the premise that the size and the length-width ratio of a battery are not affected, a battery bin of the aircraft does not need to be adjusted, and pre-splicing can be conducted before the aircraft reaches a supply point.

The utility model provides a heat recovery system of a pure electric vehicle, and relates to the technical field of pure electric vehicles, the heat recovery system of the pure electric vehicle comprises a drum brake, an air conditioner heating system and a cooling water circulation system respectively connected with the drum brake and the air conditioner heating system; the cooling water circulation system is configured to control cooling water to enter the drum brake for auxiliary cooling when the drum brake reaches the auxiliary cooling condition, and control the cooling water to enter the air conditioner heating system for auxiliary heating when the temperature of the cooling water is higher than the temperature in the automobile. The cooling water circulation system is additionally arranged on the drum brake, so that the temperature of the drum brake can be kept in a low-temperature range, and reduction of brake efficiency due to heat fading is avoided. Meanwhile, cooling water is connected with the electric vehicle air conditioner heating system in series, PTC energy consumption of the electric vehicle air conditioner heating system is reduced, and the driving range of the electric vehicle is increased.

This disclosure discloses a thermal management method, apparatus, vehicle, electronic device, and storage medium, relating to the field of vehicle technology. The main technical solution includes: after receiving a heating request, confirming the target vehicle's driving mode and identifying heat sources based on the driving mode; determining a target heat source that meets the heating conditions based on the priority order of the heat sources; and executing heating based on the target heat source in response to the heating request. By prioritizing the heat sources corresponding to the driving mode and determining the target heat source based on the priority order and conditions of the heat sources corresponding to the current driving mode after receiving a heating request, and using the target heat source for heating, this method utilizes the heat sources in the vehicle as heat sources. Furthermore, when using an electric heater for heating, an auxiliary heat source is used for auxiliary heating, reducing the power consumption of the electric heater, saving vehicle power, and increasing the vehicle's driving range in pure electric mode.

The present application provides a control method, computer equipment, storage medium and vehicle for an energy conversion device, including obtaining the required torque of the whole vehicle and the bus voltage range that achieves the required torque of the whole vehicle; obtaining the relationship curve between the system loss power and the bus voltage, and obtaining the optimal bus voltage corresponding to the minimum system loss power within the bus voltage range according to the relationship curve; and controlling the DCDC converter to convert the output voltage of the battery into the optimal bus voltage. The technical solution of the present application is based on the connection structure of the dual motor and the DCDC converter. The optimal bus voltage corresponding to the sum of the loss powers of multiple modules is found through a table lookup of the relationship curve between the system loss power and the bus voltage, and the bus voltage is adjusted to the optimal bus voltage, so that the system loss power of the energy conversion device is minimized, the energy consumption of the whole vehicle is minimized, and the mileage of the whole vehicle is improved.

The utility model discloses a uniformly-abraded SUV (sports utility vehicle) tire pattern and a tire, and relates to the technical field of tires. The utility model discloses a uniformly-abraded SUV (sports utility vehicle) tire pattern which comprises a plurality of pattern blocks with unequal pitches, wherein the pattern blocks extend and are distributed along the circumferential direction of a tread; the pattern blocks of each pitch comprise a middle pattern block, and middle rib pattern blocks and shoulder pattern blocks which are positioned on two sides of the middle pattern block and are sequentially distributed; middle longitudinal main grooves are formed between the middle pattern blocks and the middle rib pattern blocks which are adjacent to each other, and shoulder longitudinal main grooves are formed between the middle rib pattern blocks and the shoulder pattern blocks which are adjacent to each other; a middle Z-shaped groove is formed in the middle pattern block of each pitch, and middle rib pattern blocks on the two sides of each pitch are each provided with a middle rib S-shaped groove. According to the utility model, the long Z-shaped and S-shaped grooves are designed on the tire pattern, so that the pattern blocks are uniformly divided, the tire is easy to uniformly abrade, the long mileage and the long service life of the tire are further realized, and the impact noise is reduced.

This invention relates to the field of energy storage battery control technology, specifically to an energy storage battery control system and method based on new energy vehicles. The system includes a monitoring data acquisition module, a target analysis equipment determination module, a target adjustment data analysis module, a dynamic adjustment module, a main data comparison and analysis module, and a data application module. The monitoring data acquisition module identifies the distribution and usage of the data and first main data. The target analysis equipment determination module identifies the first and second target analysis equipment. The target adjustment data analysis module analyzes the first and second target analysis equipment and obtains adjustment data. The dynamic adjustment module adjusts the equipment that meets the first target adjustment data. The main data comparison and analysis module compares the adjusted second main data with the first main data. The data application module applies the analyzed first or second target adjustment data that meets the specified conditions.

The utility model provides a tire tread structure and a tire with the same, the tire tread structure comprises at least four longitudinal grooves, and the longitudinal grooves extend along the circumferential direction of the tire and are arranged at intervals along the width direction of the tire so as to divide a tread into tire shoulder pattern parts and a plurality of middle pattern parts positioned between two tire shoulder pattern parts; the longitudinal grooves adjacent to the tire shoulder pattern parts have the width W1, the longitudinal grooves located between every two adjacent middle pattern parts have the width W2, and the width W1 and the width W2 meet the condition that W1 is larger than or equal to 0.865 W2 and smaller than or equal to 0.869 W2; wherein the plurality of middle pattern parts comprise a central pattern part and a tire crown pattern part, and the width W3 of the tire shoulder pattern part, the width W4 of the central pattern part and the width W5 of the tire crown pattern part meet the following conditions: 1.3 W4 < = W3 < = 1.7 W4, and 1.3 W5 < = W3 < = 1.7 W5. The problem that a tire tread structure cannot give consideration to the travelled distance and the traveling noise of the electric vehicle is solved.

The invention discloses a lamp holder integrated controller system and an energy-saving control method, and belongs to the technical field of auxiliary driving. The lamp holder integrated controller system comprises a lamp holder integrated controller, a center control large screen, a camera, an ESP module, an EPS module, a BCM module, a function switch, a left front lamp and a right front lamp. The camera is used for receiving external environment information; the lamp holder integrated controller is used for preprocessing the external environment information received by the camera, conducting transverse and longitudinal control over a vehicle and controlling lamplight of a left front lamp and lamplight of a right front lamp. The BCM module is used for acquiring a vehicle body state and a switching signal of the function switch; the ESP module is used for controlling vehicle acceleration and deceleration and vehicle stability; and the EPS module is used for performing steering control on the vehicle. According to the lamp holder integrated controller system and the energy-saving control method, the night working scene of auxiliary driving can be improved, the personal safety of members in a vehicle is improved, the brightness of different vehicle lamp pixel points can be adjusted in a gradient mode, and the energy consumption of the vehicle is reduced.

The present invention discloses a charge and discharge control method, system, device, electric vehicle, and storage medium, wherein the charge and discharge control method first determines the working mode of the power battery unit according to the charge and discharge requirements of the power battery unit, and when the working mode is determined to be any one of the AC isolation charging mode, the AC isolation discharging mode, the DC isolation charging mode, and the DC isolation discharging mode, the switch state of the controllable switch unit is controlled, and the DC / DC conversion unit, the motor control unit, the generator control unit, and some switch tubes in the isolation conversion unit are multiplexed and controlled to realize the isolated charge and discharge of the power battery unit. Therefore, the charge and discharge control method in this embodiment can reduce the weight and volume of the charge and discharge control circuit and improve the mileage and endurance of the electric vehicle.

The present invention belongs to the technical field of new energy vehicles, and in particular, relates to a trackless hybrid electric range-extended double-trailer EMU. The present invention comprises a hybrid electric range-extended freight car body, a double-trailer freight car body is provided at the rear of the hybrid electric range-extended freight car body, the double-trailer freight car body is connected to the hybrid electric range-extended freight car body by a connector, and a hybrid electric range-extended power part is provided in the hybrid electric range-extended freight car body. During driving, the present invention draws air into the hybrid electric range-extended freight car body through a symmetrical multi-channel synchronous heat dissipation component, and the air flows around the hybrid electric range-extended power part, and the hybrid electric range-extended power part is cooled and dissipated in multiple directions, with good heat dissipation effect, improved power output conversion efficiency, energy saving, and increased mileage.

The utility model relates to a fuel pump assembly and an oil tank system, a fuel pump is arranged in an oil tank, the fuel pump assembly comprises a base frame, a pump body, an oil supply pipeline and a temperature control pipeline, and the pump body is arranged on the base frame; the oil supply pipeline is arranged on the base frame, is suitable for communicating the oil tank with external equipment, and is driven by the pump body to convey a medium in the oil tank to the external equipment; the temperature control pipeline comprises a water inlet pipeline, a temperature adjusting cavity and a water return pipeline which are communicated with one another, the oil supply pipeline is arranged in the temperature adjusting cavity in a penetrating mode, the temperature control pipeline is connected with external temperature control equipment, and under driving of the external temperature control equipment, a temperature adjusting medium flows into the temperature adjusting cavity through the water inlet pipeline and then flows out through the water return pipeline. And the temperature of the medium in the oil supply pipeline is changed under the action of the temperature adjusting medium. The design that the oil supply pipeline is arranged in the temperature adjusting cavity can optimize the heat exchange efficiency of the temperature control pipeline, the accuracy and the stability of temperature adjusting are improved, and therefore the performance and the reliability of the fuel pump assembly are further improved.

The application provides a new energy commercial vehicle intelligent window control method and system and a vehicle, relates to the technical field of new energy commercial vehicles, and opens the intelligent window function; real-time reading of vehicle speed information, main driver window opening degree information, co-driver window opening degree information, vehicle remaining power SOC information, average power consumption information, slope information, vehicle weight information, cab outside temperature information and cab inside temperature information; judging whether the current vehicle speed is higher than the vehicle speed threshold V1, if yes, judging whether the main driver window opening degree or the co-driver window opening degree is higher than the opening degree threshold N1, if yes, judging whether the vehicle remaining power SOC is lower than the SOC threshold S1, if yes, starting the intelligent window lifting process, and closing the window. In this way, the application comprehensively judges whether to perform the intelligent window lifting operation according to the vehicle speed and the remaining power SOC, reduces the risk of sharp increase of energy consumption caused by window opening during driving, and can effectively improve the driving range of the vehicle.

The utility model belongs to the technical field of transformer substations, and provides a novel prefabricated transformer substation, which comprises a main body mechanism and a transformer box, a plurality of adjusting frames are arranged in the transformer box, placing nets are fixedly mounted in the adjusting frames, and wire arrangement assemblies are fixedly mounted at the lower ends of the adjusting frames; the heat dissipation mechanism comprises an air inlet formed in the upper portion of the left side of the transformer box, an air outlet is formed in the lower portion of the right side of the transformer box, an air guide assembly is fixedly installed on the left side of the transformer box, and the main body mechanism further comprises an installation plate fixedly installed at the lower end of the transformer box. According to the utility model, the driving motor is started to drive the rotating shaft to rotate, so that the rotating blades rotate, negative pressure is formed around the air inlet, external air is sucked into the power transformation box, newly entered air moves to the air outlet in the power transformation box through a heat exchange principle, and hot air is discharged by the air outlet; therefore, the effect of cooling the interior of the power transformation box is achieved.

Disclosed in the present application are a battery system, and a charging control method and apparatus, and an electronic device and a storage medium. The battery system includes a rechargeable battery pack, a switching apparatus, and at least one battery-replacement battery pack. The rechargeable battery pack and the battery-replacement battery pack are connected with the switching apparatus; the switching apparatus is configured to control the rechargeable battery pack and the battery-replacement battery pack to provide a stable voltage for a vehicle load; the rechargeable battery pack is fixed on a vehicle; and the battery-replacement battery pack is mounted on the vehicle through an assembly apparatus.

The present invention provides a thermal management assembly of an electric vehicle and an electric vehicle, and relates to the field of vehicle technology. The thermal management assembly of the electric vehicle includes multiple subsystems, including an electric drive thermal management system, a battery thermal management system, and an air conditioning thermal management system, and also includes: an auxiliary water tank for storing and providing a heat exchange medium; a water system including multiple multi-way valves, connecting the heat exchange medium to form a cooling circuit through the electric drive thermal management system, the battery thermal management system, and the air conditioning thermal management system; a pump system including multiple pumps connected to the water system for conveying the heat exchange medium; a controller configured to: receive application scenario instructions and vehicle temperature status; and control the working status of the subsystem and the guidance of the heat exchange medium according to the application scenario instructions and / or the vehicle temperature status. It can realize power consumption and improve vehicle driving range.

The present invention relates to a boost and buck control device and method for a bidirectional three-level DC-DC converter, wherein the boost control device comprises a bus voltage outer loop, an inductor current inner loop and a first signal output terminal connected in sequence, and a flying capacitor voltage loop and a second signal output terminal connected in sequence, wherein the inductor current inner loop outputs a first duty cycle signal; the flying capacitor voltage loop outputs a second duty cycle signal; the first signal output terminal comprises a subtractor and a PWM unit connected in sequence, and the second signal output terminal comprises an adder and a PWM unit connected in sequence, wherein the subtractor and the adder are respectively connected to the first duty cycle signal and the second duty cycle signal, and the PWM unit is used to output two control signals of opposite phases. Compared with the prior art, the present invention utilizes a hybrid control method of variable duty cycle and variable phase, which can stably maintain the balance of the flying capacitor, and has the advantages of being stable and reliable, low cost, and improving the running mileage of electric vehicles.

The invention discloses a method and device for improving the charging efficiency of an electric bicycle battery, and relates to the technical field of electric bicycle charging, and the method comprises the steps: enabling a charger MCU to enter a corresponding battery charging stage according to the current electric quantity of a battery after the charger is connected to the battery, sequentially entering the next battery charging stage according to a specified sequence until the charging is completed; and when the battery enters a trickle charging stage, the MCU of the charger starts a micro-pulse strategy, so that the charger outputs a target charging voltage and an instantaneous current meeting a certain pulse frequency, and the target charging voltage and the instantaneous current are used for de-vulcanization of the battery. The side reaction of the negative electrode of the battery in the charging process is eliminated through high voltage and instantaneous large current generated in the trickle charging stage, so that the service life of the battery is prolonged, and the driving mileage is prolonged.

This application relates to a method, apparatus, vehicle, and storage medium for adjusting the upper limit of a vehicle's State of Charge (SOC). The method includes: extracting a user's driving habits; generating an upper limit adjustment value for the vehicle battery based on the driving habits; and pushing the upper limit adjustment value to the user's corresponding vehicle terminal, so that the vehicle terminal adjusts the upper limit of the vehicle battery's SOC according to the upper limit adjustment value. Embodiments of this application can generate an upper limit adjustment value for the vehicle battery based on the user's driving habits and can push the upper limit adjustment value to the vehicle terminal, thereby adjusting the upper limit of the vehicle battery's SOC, improving battery safety and lifespan, extending the driving range of electric vehicles, and enhancing the user's driving experience.

The present application relates to a kind of immersion mobile ultrasonic detection method and device, and detection device includes the ultrasonic detector forming water cushion between structure surface, mobile detection platform and detection chamber, ultrasonic detector and detection chamber are respectively fixed to mobile detection platform, detection chamber is covered in the outside of ultrasonic detector and is sealedly connected to structure surface, detection chamber is connected with water injection control system, vacuum liquid suction device for recycling the leakage water of detection chamber is arranged in the outer ring of detection chamber, and the leakage water recycled by vacuum liquid suction device is used to backflow to water injection control system.Can form stable water cushion between ultrasonic detector and structure surface, ultrasonic detector is fixed to mobile detection platform and is completely immersed in water, and can continuously move detection under the driving of mobile detection platform.Because the leakage water recycled by vacuum liquid suction device is used to backflow to water injection control system for reuse, it will not cause the excessive detection water consumption in detection process, improves the detection effective time length and mileage.

The invention relates to the technical field of hybrid electric vehicle control, and particularly discloses a hybrid electric vehicle power control method and device, a vehicle and a storage medium. Determining a first distance between the vehicle and the next congested road section, a second distance between the congested road section, a third distance between the vehicle and the traffic signal lamp and second working condition information of the traffic signal lamp; if the first distance is greater than or equal to the third distance, determining first power consumption based on the second distance and the first working condition information and determining a first time interval based on the first distance and the vehicle speed information; determining an executed first power control strategy according to the current residual electric quantity, the first power consumption and the first time interval; if the first distance is smaller than the third distance, the executed second power control strategy is determined based on the third distance, the vehicle speed information, the torque requirement and the second working condition information, the real fuel consumption of the vehicle is reduced, and the driving range of the vehicle is increased.

This application relates to the field of automotive technology and provides a method for determining the operating power of a vehicle heating device. The method includes: determining the required heat output of the vehicle within the navigation route section based on the expected ambient temperature, the set temperature for in-vehicle heating, and the actual temperature of the in-vehicle environment; determining the recoverable heat output of the vehicle within the navigation route section based on the expected vehicle speed; and determining the operating power of the vehicle heating device based on the recoverable heat output and the required heat output. This application optimizes the vehicle heating strategy, reducing energy consumption for vehicle heating, thereby reducing overall vehicle energy consumption and increasing the vehicle's driving range.

The utility model belongs to the technical field of brake discs, and particularly relates to a long-fiber carbon-ceramic brake disc with excellent cooling rate, which comprises a carbon-ceramic brake disc body and a friction surface, the friction surface is provided with a through air guide hole matrix, the air guide hole matrix is composed of a plurality of air guide units with arc-shaped structures, and each air guide unit is composed of a plurality of air guide holes; a plurality of air guide groove matrixes are arranged on the carbon ceramic brake disc body, and the air guide hole matrixes completely penetrate through the air guide groove matrixes; main body reinforcing ribs and auxiliary reinforcing ribs are arranged on the carbon-ceramic brake disc body around the air guide groove matrix, and assembly holes and assembly concave tables are arranged on the inner edge of the carbon-ceramic brake disc body. The carbon-ceramic brake disc solves the problems that friction materials of a brake pad are damaged, the service life is short and the braking effect is poor when a common metal brake disc is in matched friction with the brake pad by means of the advantages of materials and structures.