96results about How to "Reduce fuel consumption" patented technology

The invention discloses a vehicle idling start and stop control system and method. The control system judges whether a vehicle has idling start and stop conditions by monitoring the water temperatureof an engine, the capacity of a storage battery, a safety belt and other information, judges whether the vehicle has conditions of stopping the engine by monitoring the rotating speed of the engine, the speed of the vehicle, the brake air pressure and other conditions, and judges whether the vehicle has conditions of starting the engine by monitoring the gear of a gearbox, the speed of the vehicle, a hand brake and other information. When the relevant conditions are met, start and stop work signals are sent to the engine though a CAN bus. In order to guarantee the reliability of frequent startand stop of the engine, the system strengthens flywheel gear rings of a starter and the engine. In order to ensure that the battery does not lose power, a storage battery capacity sensor is added tothe system on the basis of increasing the capacity of the storage battery, and the idling start and stop are allowed when the state of charge (SOC) of the storage battery satisfies a safe starting threshold. The idling start and stop control system has advantages of low cost and high reliability, and is especially suitable for commercial vehicles.

The utility model discloses a gearbox for an oil-electricity double-engine ship. The gearbox comprises a box body, the diesel oil input component comprises a first input shaft, a first driving gear is sleeved on the first input shaft, and the first input shaft is provided with a first transmission gear and a first clutch; the reversing shaft part comprises a reversing shaft, a second driving gear is sleeved on the reversing shaft, the reversing shaft is provided with a second transmission gear and a second clutch, and the second transmission gear is meshed with the first transmission gear; the motor input component comprises a second input shaft, the second input shaft is sleeved with a third driving gear in an empty mode, the third driving gear is meshed with a first driven gear, the second driving gear is fixedly sleeved with the first driven gear, and the second input shaft is provided with a third clutch; the output shaft component comprises an output shaft and a second driven gear, and the second driven gear is meshed with the first driving gear and the second driving gear. According to the scheme, the diesel engine or the motor is independently used for driving, intelligent switching of the diesel engine and the motor can be achieved at any speed, oil consumption is reduced, and power performance is improved.

The invention discloses a novel-structure commercial vehicle AMT pneumatic control module, and particularly relates to the technical field of pneumatic control modules, the novel-structure commercial vehicle AMT pneumatic control module comprises a middle partition plate, a valve plate is arranged at the top of the middle partition plate, side face supports are arranged on the two sides of the front end of the top of the valve plate, and a top support is arranged at the top of the valve plate; a first two-position two-way electromagnetic valve and a second two-position two-way electromagnetic valve are arranged on the inner sides of the two side face supports respectively, and a first two-position three-way electromagnetic valve is arranged on the rear side of the top of the valve plate. A plurality of various electromagnetic valves are integrated through the valve plate, power-on and power-off combinations of different electromagnetic valves are controlled, gas from the main gas inlet can be subjected to distribution, reversing and power-on and power-off control, accordingly, mechanisms such as a gear shifting actuator and a clutch actuator of the automotive AMT system are driven to act, manual gear shifting is not needed, and the cost is reduced. The side supports, the top support and the valve plate are combined, meanwhile, an air source system of a vehicle is utilized, the space utilization rate is greatly increased, the structure is compact, and external connecting pipelines are reduced.

The utility model discloses a kind of automobile A column reinforcing member based on lightweight design, it is related to the technical field of automobile parts, including external steel body, the inside of external steel body is equipped with main body reinforcing component, the inside of main body reinforcing component is equipped with energy-absorbing member, the side of external steel body away from the surface of main body reinforcing component is equipped with sound insulation cotton.The utility model can make the internal structure of automobile A column more stable by main body reinforcing component, reduce the deformation due to collision, protect front compartment safety, by energy-absorbing member, local shock wave can be offset, ensure that front compartment living space is not deformed, while the material density of energy-absorbing member is smaller, the overall weight of A column can be reduced, so as to reduce the weight of entire vehicle body, reach the effect of reducing fuel consumption, while external steel body is fixed together by hinge hole bolt and angle steel bolt, compared with general welding mode, when maintaining, avoid cutting A column, cause stress concentration of A column, affect the safety of overall A column structure.

This invention provides a hybrid-type cotton harvester and its control method, including a hybrid-type hybrid system. The hybrid-type hybrid system includes an engine, a gearbox, a coupling device, a differential, a generator, a battery, a main controller, a travel motor controller, a picking motor controller, a fan motor controller, a baling motor controller, a cotton collecting motor controller, and a conveying motor controller. The engine transmits power to the coupling device via the gearbox, the coupling device couples the power of the engine and the travel motor, and then transmits the power to the wheels via the differential. This invention achieves mechanical decoupling between the various working systems of the cotton harvester through distributed electric drive, solving the problems of numerous components, long paths, and inability to adjust operating parameters in real time in traditional cotton harvester transmission systems. It results in low fuel consumption, low pollution, and high energy efficiency, balancing the machine's range and energy saving, and enabling switching between different modes, thus improving the overall fuel economy and dynamic performance of the vehicle.

The application provides a hydraulic torque converter control method and device, and belongs to the field of automobile gearbox control. When current vehicle parameters meet preset conditions, especially when the current vehicle speed is within a preset vehicle speed range, the clutch in the hydraulic torque converter is controlled to switch to a sliding friction state, that is, a semi-linked state. In this state, the engine can stop fuel injection, and the engine can also be prevented from stalling due to low wheel speed dragging the engine or the engine losing connection with the wheels. In summary, the engine can continue to be fuel cut on the basis of avoiding engine stall, the fuel cut time is prolonged, and oil consumption is further reduced.

This invention relates to an intelligent engine idling speed control method and system, belonging to the field of automotive control. The method reads the current operating status of the vehicle's electrical appliances and matches them against a pre-established appliance combination matrix. If a match is found with any combination in the matrix, the engine idling speed is not increased. The appliance combination matrix includes several combinations, each containing several non-operating appliances. When all appliances in a combination except the non-operating ones are running, the total power consumption does not exceed the power generation when the engine idling speed is not increased. A successful match is considered achieved when the non-operating appliances in the current vehicle's electrical appliances completely match the non-operating appliances in the corresponding combination. If a successful match is found, the engine's power generation is not increased, thus reducing the probability of the engine increasing its speed and lowering the vehicle's fuel consumption.

The application relates to a multi-gear power split hybrid transmission system and a vehicle, which comprises an electronic continuously variable transmission, a planetary gear mechanism composed of a sun gear, a planet carrier and a ring gear, an engine in transmission connection with the planet carrier, a first motor in transmission connection with the sun gear, a ring gear connecting shaft in connection with the ring gear, a double power coupling mechanism comprising an output shaft and an intermediate shaft, a second motor in transmission connection with the intermediate shaft, a first gear shifting mechanism and a second gear shifting mechanism connected between the ring gear connecting shaft and the output shaft and independent of each other, and a third gear shifting mechanism connected between the output shaft and the intermediate shaft. The transmission system of the application is dynamically switched through different transmission paths, power is mutually compensated in the gear shifting stage, the driving jerk is significantly reduced, and the transmission fluency is improved. The engine and the motor can be fully utilized in the high-efficiency working area, different load requirements can be met through the multi-gear design, the vehicle fuel consumption is effectively reduced, and the structure is compact and the layout is reasonable.

The utility model relates to a bulbous bow structure of a steamship. The bulbous bow solves the problems that in the prior art, a bulbous bow is large in traveling wave resistance and poor in stability. The bulbous bow comprises a bulbous bow body, overflowing assemblies are arranged on the two sides of the bulbous bow body, sealing cover plate assemblies are arranged on the outer walls of the overflowing assemblies in the circumferential direction, a movable load control mechanism is arranged in the bulbous bow body, and buoyancy supporting devices which can stretch under pressure are arranged on the two sides of the bottom of the bulbous bow body. The bulbous bow has the advantages that through linear optimization of the bulbous bow body, wave-making resistance is reduced, the purposes of reducing oil consumption and reducing carbon emission are achieved, and the sinking and floating stability of the bulbous bow body is effectively ensured.

The utility model relates to a tubeless all-steel truck radial tire tread pattern structure which comprises a tire tread, and further comprises longitudinal straight groove patterns which are respectively and uniformly distributed from a central line to two sides in the circumferential direction of the tire tread and comprise a first longitudinal straight groove pattern and a second longitudinal straight groove pattern; the transverse inclined grooves are connected between the adjacent longitudinal straight groove patterns and comprise first transverse inclined straight grooves connected with the adjacent first longitudinal straight groove patterns, second transverse inclined straight grooves connected with the adjacent first longitudinal straight groove patterns and second longitudinal straight groove patterns, and Z-shaped transverse inclined grooves; the inclination direction of the first transverse inclined straight groove is opposite to that of the second transverse inclined straight groove, and the inclination direction of the second transverse inclined straight groove is consistent with that of the Z-shaped transverse inclined groove. Compared with the prior art, the utility model can effectively solve the problems of blockage of broken stones or foreign matters and low drainage efficiency, and has good guidance quality, drainage performance, road holding force, sideslip resistance and multi-road-condition adaptability under the condition of high-speed driving.

The application provides a start-stop control method and device of a vehicle range extender, an electronic device and a storage medium. The method comprises the following steps: acquiring the power information, the current position information and the driving direction of the vehicle; searching for the target charging pile closest to the vehicle in the driving direction in a preset charging pile database according to the current position information, and obtaining the first distance information between the target charging pile and the vehicle; adjusting the first power threshold for controlling the start-stop of the vehicle range extender according to the first distance information and a set threshold rule, so as to control the start-stop of the vehicle range extender according to the power information and the first power threshold.

The utility model discloses a secondary cooling carrier roller device which comprises a supporting frame, a cold roller assembly and a cooling assembly. A hollow roller shaft is sleeved with a sleeve, the inner wall of the sleeve is connected with a V-shaped oil storage pipe through a fixing plate, and the middle of the oil storage pipe is communicated with a connecting ring pipe and an oil conveying pipe. Labyrinth plugging blocks and built-in spring rods are arranged at the two ends of the oil storage pipe, and the top ends of the spring rods are connected with guide slopes with plugging pieces. Bearings and labyrinth plates are arranged on the two sides of the sleeve, heat dissipation bent grooves are formed in the outer side of the hollow roller shaft, and the rotating pipe is connected with the water sump and the water pipe. The device realizes automatic supply of lubricating oil through rotating centrifugal force, and guides the inclined plane to accurately guide the lubricating oil to the bearing; heat exchange is enhanced by winding airflow and the heat dissipation bent grooves, and the cooling efficiency is improved by a water circulation system; and the labyrinth plate obstructs external impurities. The self-adaptive lubricating device has the advantages of self-adaptive lubrication, efficient heat dissipation, reliable sealing and the like, oil consumption can be reduced, the service life is prolonged, and the maintenance frequency is reduced.

The application discloses a hyperplane climbing track group intelligent optimization method, which comprises the following steps: constructing a hyperplane climbing section dynamics equation, and obtaining to-be-optimized parameters in the hyperplane climbing section dynamics equation; designing a hierarchical cost function considering multiple constraints and turbojet, subsonic ramjet and supersonic ramjet three power mode switching Mach numbers; and optimizing the cost function through a chicken swarm algorithm, thereby completing the hyperplane climbing track group optimization. The hyperplane climbing track parameter optimization is performed through the improved chicken swarm algorithm, the suitable power mode switching Mach number is selected while the complex constraints of the hyperplane climbing section are met, the climbing scheme capable of significantly shortening the climbing time and total fuel consumption is obtained, and the problem that the track is difficult to optimize under the hyperplane cross-power mode and long-time window climbing condition is solved.

The utility model relates to the technical field of engine pistons, and discloses an engine piston connecting rod lubricating device which comprises a piston, a connecting rod, an air cylinder and a crankshaft, the piston reciprocates in the air cylinder, the connecting rod is connected with the piston, and the connecting rod drives the crankshaft to rotate. And a rebounding structure for rebounding lubricating oil to the inner wall of the air cylinder is arranged on a rod body of the connecting rod. The lubricating device has the remarkable advantages of simple structure, low cost, low oil consumption, long maintenance period, good lubricating effect and the like.

The application discloses a kind of hybrid transmission clutch control parameter calibration method, device and vehicle, it is related to automobile power transmission system technical field.Therein, the method includes: based on the first clutch control parameter calibration table, determine the second clutch control parameter calibration table of hybrid transmission in the first working mode;Based on the second clutch control parameter calibration table, determine the third clutch control parameter calibration table of hybrid transmission in the first working mode;Pressure is controlled to clutch based on the third clutch control parameter calibration table.The application solves the technical problems of additional energy loss and efficiency decline caused by improper clutch pressure control in related technologies.

The present application relates to a filter replacement prompting system and a filter replacement prompting method, the filter replacement prompting system comprising: an engine speed sensor for sensing an engine speed of an engine; a pressure valve installed to a clean air side of an air cleaner of the engine and having an electromagnet capable of changing a magnetic force according to a first control signal, the pressure valve being capable of generating a trigger action when an air negative pressure value at the clean air side of the air cleaner exceeds an acting force generated by the magnetic force of the electromagnet, thereby generating a first trigger signal; and a controller electrically connected with the engine speed sensor and the pressure valve, the controller receiving engine speed information sensed by the engine speed sensor to determine the first control signal for controlling the magnetic force of the electromagnet, and the controller receiving the first trigger signal sent by the pressure valve to determine that a filter needs to be replaced. The present application can save vehicle maintenance cost and vehicle use cost of a user.

The present disclosure relates to a hybrid vehicle driving control method in series mode, a hybrid vehicle driving control device in series mode, a storage medium and a control system. The hybrid vehicle driving control method in series mode comprises determining a driving demand power interval corresponding to driving the vehicle in a target speed range according to the target speed range when the vehicle is driving in series mode; determining a plurality of engine speed values corresponding to the overall efficiency of the engine and the generator exceeding a predetermined threshold based on a plurality of different driving demand powers in the driving demand power interval according to the overall efficiency distribution of the engine and the generator; selecting an engine speed value as a target engine speed value from the plurality of engine speed values according to the target speed of the vehicle driving in the target speed range; and controlling the engine to work at the target engine speed value to output power to drive the vehicle, which can reduce the adjustment frequency of the engine speed and reduce fuel consumption.

The application provides an energy management control method and device of a vehicle, an electronic device and a storage medium, and the method comprises the following steps: acquiring a current running state of the vehicle; determining corresponding road spectrum data according to the current running state of the vehicle; determining whether to enter a downhill mode according to the current running state of the vehicle and the corresponding road spectrum data; prompting a user to select a mode when it is determined to enter the downhill mode; and adjusting an acceleration torque request value of the vehicle according to a preset energy management control method of the downhill mode when the user selects to enter the downhill mode. The application predicts whether the road ahead is downhill through the current running state of the vehicle and the road spectrum data, and introduces the downhill mode, so that when the user selects to enter the downhill mode, the energy management of the vehicle is dynamically compensated through the preset energy management control method of the downhill mode, the energy management control is adapted to the current road, and the vehicle range is effectively improved and the fuel consumption is reduced.

The application discloses a kind of pure hydraulic drive vehicle economy control method, comprising, according to vehicle actual driving speed and target speed whether vehicle is in uniform motion is judged, if vehicle is not in uniform motion at this time, then using economy basic control strategy, control vehicle acceleration to target speed;After vehicle speed is promoted to target speed and enters uniform motion stage, using efficiency compensation strategy, through motor displacement compensation, further improve the driving economy of uniform stage while guaranteeing target speed tracking.The application reduces the fuel consumption of vehicle driving process on the basis of realizing pure hydraulic drive vehicle target speed tracking, improves driving economy.

This invention proposes a method and system for avoiding frequent regeneration of particulate matter filters (DPFs), relating to the field of emission control technology. The method includes: Step 1: Obtaining the steady-state differential pressure value after engine regeneration, along with the baseline differential pressure and the standard differential pressure value under the current carbon load; Step 2: Calculating the deviation of the steady-state differential pressure value from the standard differential pressure value and the percentage deviation from the baseline differential pressure; Step 3: Based on the percentage deviation and air velocity, consulting the ash correction map to obtain the current correction coefficient; Step 4: Determining whether the current correction coefficient is less than a preset value. If so, the product of the current correction coefficient and the current carbon load trigger limit is used as the carbon load trigger limit for the next regeneration; otherwise, service regeneration is performed, and the carbon load trigger limit is reset to its initial value after service regeneration. This invention utilizes the deviation between the no-load DPF differential pressure and the differential pressure after regeneration to correct the regeneration limit, ensuring that regeneration only occurs when carbon deposits reach a certain level, avoiding shortened regeneration time or even frequent regeneration due to ash content, thus reducing fuel consumption.

The present application relates to a kind of methods for judging the oil addition of lubricating system, device and medium, lubricating system includes oil sump and oil, oil sump is located in the lower part of lubricating system and is used to contain oil, method includes: obtaining the minimum oil storage capacity in oil sump, minimum oil storage capacity is obtained by suspending hanging wall oil amount and the oil consumption of engine in the set oil change cycle;Obtain the maximum oil storage capacity in oil sump, the maximum oil storage capacity is obtained by the highest limit of oil;According to minimum oil storage capacity and maximum oil storage capacity, obtain the oil storage interval of oil sump;According to oil storage interval, obtain the oil addition interval of oil sump.Using this scheme, it is necessary to determine the interval of oil sump that can store oil, so it is necessary to obtain the minimum oil that can be stored in oil sump, i.e.minimum oil storage capacity, since the lubricating system is in the state of being running or has been running, there is a suspended hanging wall oil amount in the lubricating system;In addition, the oil consumption of oil in the set oil change cycle also needs to be considered.

This invention provides an auxiliary hydraulic system and its control method for a mobile crawler crane, which greatly improves system reliability and energy efficiency. The system includes an anti-tilt system, an auxiliary system, a cooler drive motor, a flow divider valve group, an auxiliary high-pressure pump, and a pump control valve group. The cooler drive motor is connected to the flow divider valve group, which is connected to the anti-tilt system, the auxiliary system, and the pump control valve group respectively. The auxiliary high-pressure pump is connected to the pump control valve group. The anti-tilt system, the auxiliary system, and the cooler drive system share a common hydraulic pump. Through logic control during system operation, the three systems share the hydraulic pump, while simultaneously optimizing the anti-tilt system and engine overspeed protection functions, greatly improving system reliability and energy efficiency.

This invention discloses a smart tire with power generation and self-sensing capabilities, belonging to the field of tire technology. The smart tire includes: a smart tread and a smart ply layer arranged sequentially from the outside to the inside; the smart tread deforms under external force, generating an electrical signal, which is transmitted to the vehicle's dashboard via a wireless signal transmission module; when subjected to load during tire movement, the smart ply layer deforms, generating an electrical signal, which is transmitted to the vehicle's energy storage device via wires; smart sidewalls are disposed on both sides of the smart tread and smart ply layer; when subjected to lateral loads and deformation, the smart sidewalls generate electrical signals, which are transmitted to the vehicle's dashboard via the wireless signal transmission module. This invention utilizes the force-electric coupling effect to convert the mechanical energy generated by tire deformation into electrical energy, and uses this electrical energy to monitor and adjust various tire parameters in real time, thereby improving the tire's intelligence level.

The utility model discloses a kind of main shaft of high-speed four-roll centrifuge, including center spindle and cooling assembly, the center spindle non-bearing end end portion is provided with cooling cavity, the cooling assembly is located inside cooling cavity, the cooling assembly includes water inlet pipe and the water outlet pipe of sleeve joint in water inlet pipe outside, the water outlet pipe outer surface is provided with multiple groups of cooling groove in axial arrangement, a group of cooling groove is multiple and is arranged relative to water outlet pipe center circumference, the cooling groove one end is provided with the branch pipe of water inlet pipe through arrangement, the cooling groove other end is provided with backflow port.Cooling liquid enters cooling groove from water inlet pipe through branch pipe, after heat absorption, it is discharged reversely by backflow port into water outlet pipe, form the circulation path of water inlet pipe-cooling groove-water outlet pipe, cooling liquid is absorbed by heat exchange The heat generated by center spindle and centrifugal roller due to high-speed friction, heat radiation of molten body, avoid the thermal deformation problem generated by thermal stress in center spindle inside.

The application discloses a belt sintering machine body waste heat recovery method, belongs to the technical field of industrial waste heat recovery, and aims to solve the problem that sensible heat of a sintering machine return trolley is not effectively utilized. Firstly, according to the measured temperature, the return path is divided into a high-temperature zone (>= 300 DEG C), a medium-temperature zone (150-300 DEG C) and a low-temperature zone (< 150 DEG C). Subsequently, a radiation heat exchange device is arranged above the trolley body in each temperature zone, the lower surface of the device keeps a small gap of 2mm to 40mm with the moving trolley, and heat exchange safety is ensured without interference. Waste heat utilization is divided into two levels: the heat exchange device in the high-temperature and medium-temperature zones is connected to an economizer or an evaporation section of a waste heat boiler, a steam-water cycle is formed to produce steam, and the steam is used for power generation or process heating; the heat exchange device in the medium-temperature end and the low-temperature zone forms an independent hot water circulation system, and the output hot water is used for preheating of sintering mixture, heating of a factory area and life facilities. The application opens up a new source of sintering waste heat, and through a cascade utilization mode, remarkable energy saving and consumption reduction and economic benefits are realized.

The invention discloses a high-power electronic unit pump capable of reducing plunger leakage rate. The high-power electronic unit pump comprises a guide sleeve matched with an engine, a unit pump body mounted in the guide sleeve, a plunger spring, a roller body, a plunger assembled on the unit pump body, a sealing ring, an electromagnet, an armature, an electromagnetic valve spring, a control valve core, a check block and an adjusting base plate, the single pump body is characterized in that two ring grooves are machined in an inner hole, matched with the plunger, of the single pump body, the first ring groove is communicated with an oil return pipeline through an oil duct, the second ring groove is independently led out through an oil way to be connected with an oil return tank, a sealing ring groove is formed in the lower end of the second ring groove, and a movable sealing ring is assembled in the sealing ring groove. Lubricating oil is prevented from entering a fuel oil cavity through a plunger gap, and engine oil consumption is reduced.

The application discloses a plastic fender assembly structure, comprising: a fender body, the outer edge of which is respectively provided with a front door flange structure, a front bumper flange structure and a hood flange structure, the front end of the inner side surface of the fender body is sequentially provided with a first fender support, a second fender support and a third fender support from top to bottom, the upper end of the first fender support is connected with the hood flange structure, the bottom edge is not connected with the second fender support, the bottom end of the second fender support is connected with the top end of the third fender support, and the bottom end of the third fender support is connected with the front bumper flange structure. The plastic fender assembly structure can not only realize light weight, but also improve the matching precision of the fender, ensure the gap surface difference matching requirement with surrounding parts and reduce the assembly and adjustment difficulty.