2060results about "Coolant flow control" patented technology

A heat management system includes: a first flow passage in which a reserve tank is not provided; a second flow passage in which a reserve tank is provided; a switching device configured to switch between coupling and uncoupling of the first flow passage and the second flow passage to and from each other; and a control device configured to control the switching device. The control device is configured to, when predetermined coupling conditions are met, make the heat medium flow through the first flow passage and the second flow passage that have been coupled to each other by the switching device. When the control device determines that air bubbles exceeding the allowable volume are present in the heat medium, the coupling conditions switch from being unmet to being met.

The disclosure relates to an air guide control system with a flap arrangement including flaps which can be rotatably inserted into a joining partner. An actuator drives a damper and a coupling rod transmits the torque of this driven damper to the remaining dampers of the damper arrangement. In the event of a flap fracture of at least one flap, a spring, locks the flap arrangement against further movement, so that error information is reported to the actuator via the coupling rod.

The present invention provides a water circulation structure for a motorcycle engine, belonging to the technical field of motorcycles. It solves the technical problems of insufficient compactness of the existing engine water circulation structure and affecting the circulation effect. The water circulation structure of this motorcycle engine includes a reversing housing located on one side of the cylinder block. The reversing housing has a liquid inlet chamber and a liquid outlet chamber separated by a thin wall. The thin wall has a liquid passing port communicating the liquid inlet chamber and the liquid outlet chamber. Both ends of the water circuit are respectively communicated with the liquid inlet chamber and the liquid outlet chamber. The inner wall of the liquid inlet chamber has a liquid inlet for communicating with the cooling water tank, and the inner wall of the liquid outlet chamber has a liquid outlet for communicating with the cooling water tank. The thermostat is located in the liquid outlet chamber, and one end of the thermostat closes the liquid outlet. The other end of the thermostat is arranged towards the liquid passing port. After being heated, the thermostat can close the liquid passing port and open the liquid outlet. The present invention can ensure a sufficient circulating cooling effect while improving the structural compactness.

The invention discloses a hydrogen fuel engine electronic thermostat heating assembly control method based on the Internet of Things, particularly relates to the technical field of hydrogen fuel engine control, and is used for solving the problems of cooling response lag and action conflict caused by disconnection of control logic and a real-time network state of an existing temperature control system in a dynamic network environment. Electronic thermostat temperature data and network state data are collected in real time to generate a dynamic synchronization coefficient, network topology toughness evaluation and causal influence analysis are combined to predict instruction conflict areas and divide priorities, and gradient correction is performed on heating power and valve opening based on a target deviation compensation value. And a correction instruction is issued through the distributed control unit and a communication reliability weight is synchronously updated, so that dynamic coordination of a network state and a temperature control parameter is realized, and efficient and stable operation of the hydrogen fuel engine under a complex working condition is ensured.

A heat pump system for a vehicle may be capable of improving the overall efficiency of the system as well as simplifying the system. This may be achieved by adjusting the temperature of a battery module using a single chiller where the refrigerant and the coolant exchange heat, and by recollecting waste heat of the electrical components and the battery module and using it for heating the vehicle. Additionally, the overall efficiency of the system may be achieved by forming a plurality of coolant flowing lines by a single valve according to a selected mode of the vehicle.

The invention relates to a paraffin type thermostat. The paraffin type thermostat comprises a main valve 1, a cover and seal gasket assembly 2, an upper support 3, a rubber pipe 4, a valve seat 5, a vent hole 6, a lower support 7, paraffin 8, an inductor 9, a bypass valve 10, a central rod 11 and a spring 12. The upper support, the lower support and the valve seat of the thermostat are riveted into a whole. The upper end of the central rod is fixed to the center of the upper support. The lower portion of the central rod is inserted into a central hole of the rubber pipe. The lower end of the central rod is conical. A cavity between the rubber pipe and a shell of the inductor contains the paraffin. The upper portion and the lower portion of the shell of the inductor are provided with the main valve and the bypass valve which are in linkage. The vent hole is formed in the main valve. The paraffin type thermostat is high in heat conductivity and guarantees that an engine cannot be excessively cold.

A multi-way valve includes a valve seat and a valve core. The valve core is rotatably disposed in the valve seat, the valve seat is provided with a plurality of valve port groups, each valve port group includes a plurality of valve ports, the valve core is provided with communication structure groups corresponding to the valve port groups, respectively, and each of the communication structure groups further includes a plurality of communication structures arranged along a circumferential direction of the valve core. When the valve core is rotated to different rotation positions, valve ports in different valve port groups form different communication states. Only one valve core is required to make a two-way proportional valves, three-way proportional valve, and a four-way proportional valve achieve different communication states, with simple control, compact structure and low cost.

A heat pump system for a vehicle is configured to selectively exchange heat between coolant and the thermal energy generated from refrigerant at the time of condensation and evaporation of the refrigerant. The heat pump system heats the vehicle interior using the heat-exchanged high-temperature coolant and improves the heating efficiency of the vehicle by selectively using the ambient air heat, the waste heat of electrical components, and the waste heat of the battery module, at the time of heating the vehicle interior, thereby increasing the overall travel distance of the vehicle by efficiently adjusting the temperature of a battery module for an optimal performance of the battery module.

A multi-way valve adapted to control a flow of fluid to different thermal fluid circuits includes a valve housing, a valve flow controller, and a sealing system. The valve flow controller is arranged in the valve housing to control flow through the valve housing. The sealing system is configured to seal between the valve housing and the valve flow controller.

A cooling system for vehicles and a control method thereof improves indoor heating performance and fuel efficiency by controlling a flow rate of a coolant passing through a heater core together with an EGR cooler. A coolant having an increased temperature is first supplied to the heater core side through a flow stagnancy control to rapidly increase the temperature of the coolant flowing in the heater core, thereby improving heating performance. A warm-up feature is improved through an exhaust heat recovery function by a heat exchange between the exhaust gas and the coolant in the EGR cooler, thereby improving efficiency of fuel.

A radiator shutter for a motor vehicle for controlled engine ventilation, having a frame in which at least two louvres are mounted rotatably to pivot from a closed position to an open position. A motor which drives a single louvre is provided in or on the frame on an engine side of the frame. On the same side is a coupling element which synchronously transmits the rotation of the louvre to the other louvres. A locking disc is provided for each louvre on the mounting side of the frame facing away from the engine side of the frame, in the region of the mounting provided there for the louvres. The locking discs have a form which, if at least one of the locking discs does not rotate synchronously with all the other locking discs, blocks the rotational movement of the locking discs in a force-fitting and form-fitting manner.

Embodiments of this application provide a thermal management system and a vehicle. The example thermal management system includes a compressor, a first heat exchanger, a second heat exchanger, and a valve manifold. The first heat exchanger includes a first flow channel and a second flow channel that are isolated from each other, and the second heat exchanger includes a third flow channel and a fourth flow channel that are isolated from each other. An input end of the compressor is connected to an output end of the third flow channel and is configured to be connected to an output end of an evaporator core disposed on the vehicle, and an output end of the compressor is connected to an input end of the second flow channel. An input end of the first flow channel is configured to be connected to an output end of a heater core of the vehicle.

A cooling system, comprising: - a first cooling circuit (10), the first cooling circuit having a first coolant pump (12); - a second cooling circuit (20), the second cooling circuit having a second coolant pump (22); - an expansion tank (30), the expansion tank being provided with an expansion chamber (31) for accumulating coolant, wherein the expansion chamber is connected to the second cooling circuit (20) so as to allow the expansion chamber to receive coolant from the second cooling circuit; and - a degassing device (40), the degassing device being arranged in the first cooling circuit for separating bubbles from the coolant circulating therein. The degassing device (40) is located at a position lower than the expansion tank (30) and is connected to the expansion chamber (31) via a static pipeline (5) so as to allow the bubbles separated from the coolant in the degassing device to migrate upward in the static pipeline towards the expansion chamber.

The invention relates to a vehicle heat management method and device, a vehicle and a computer storage medium, and belongs to the technical field of vehicle heat management.The vehicle heat management method comprises the steps that historical working condition data of the vehicle in a first time period before the current moment is obtained through a sliding window method; a plurality of working condition prediction models are adopted to predict the working condition of the vehicle in a second time period after the current moment based on the historical working condition data, a plurality of candidate working conditions are obtained, and the predicted working condition of the vehicle in the second time period is determined by combining the weight of each working condition prediction model; and when the predicted working condition meets a preset thermal management condition, the working state of an engine cooling system of the vehicle is adjusted, so that the temperature of an engine of the vehicle within the second time period is within a preset temperature range. Predictive heat management of the engine can be achieved, timeliness of heat management of the engine is improved, and energy is saved.

The utility model provides an intelligent diesel generating set which comprises a mounting plate, one end of a radiating pipe is fixedly communicated with a water collecting pipe, the bottom of the water collecting pipe is fixedly communicated with a water return pipe, the water return pipe is fixedly communicated with a cooling liquid tank, and a communicating pipe is provided with a one-way valve. A temperature control assembly is arranged, a water pump pumps out cooling liquid in a cooling liquid box, the cooling liquid enters a heat dissipation pipe through a water distribution pipe and exchanges heat with air, the cooling liquid is subjected to heat dissipation and cooling, the cooled cooling liquid flows back into the cooling liquid box through a water return pipe, and low-temperature cooling liquid in the cooling liquid box flows back into the cooling liquid box again through a communicating pipe; and the diesel generator is continuously cooled. When the temperature is low, the water pumps are closed, cooling liquid in the cooling liquid box is not cooled, viscosity of engine oil is reduced, different water pumps are started to cool different diesel generators, independent control over the generator set is facilitated, and it is guaranteed that the temperature of each diesel generator is kept stable.

The invention discloses a digital intelligent temperature control air cooling system for an engineering vehicle, relates to the technical field of intelligent temperature control, and accurately judges the specific working condition of the engineering vehicle through a working condition recognition model, so that a temperature control strategy can be customized and finely adjusted according to different working conditions; then the future temperature change trend is predicted through the working temperature prediction model, so that cooling is started or enhanced in advance, the problem of response lag of a traditional temperature control system is fundamentally solved, temperature overshoot is effectively avoided, the reliability of an engineering vehicle is improved, and the service life of parts is prolonged; and the energy consumption of accessories such as a fan is remarkably reduced through fine control, and the comprehensive benefits of improving the whole vehicle performance and reducing the maintenance cost are finally achieved.

A heat pump system for a vehicle may be configured to adjust a temperature of a vehicle interior by selectively exchanging heat between coolant and thermal energy generated from refrigerant at the time of condensation and evaporation. The system may use the heat-exchanged low-temperature or high-temperature coolant to improve the heating efficiency of the vehicle. The system may selectively use ambient air heat, waste heat of electrical components, and waste heat of a battery module, at the time of heating the vehicle interior. The system may increase the overall travel distance of the vehicle by efficiently adjusting the temperature of a battery module for optimal performance of the battery module.

The invention relates to the technical field of tractor heat dissipation, in particular to a modular integrated tractor heat management method which comprises the steps that an engine radiator, a condenser, an engine oil radiator and a hydraulic radiator are arranged on the air outlet side of a cooling fan with the fan blade angle adjustable in a centralized mode; when the tractor operates in a working condition state, actual temperature data of an engine heat dissipation module, a transmission system heat dissipation module, a hydraulic system heat dissipation module and an air conditioning system heat dissipation module are collected; preset temperature difference data and preset fan rotating speed data corresponding to the working condition state are obtained; calculating an actual temperature difference value corresponding to the preset temperature difference value; and judging the actual temperature difference value of each item and the corresponding preset temperature difference value in real time, and controlling the wind direction and the rotating speed of the cooling fan in real time according to the judgment result. The invention further provides an electro-hydraulic control heat dissipation system applying the thermal management method. Heat dissipation and reverse blowing cleaning self-cleaning are carried out on all radiators of the tractor, the power loss is reduced, and the energy loss is reduced.

An engine and a vehicle comprising same. The engine comprises a main cylinder body (10), end covers (30), a timing cover (50), and an oil pan (60), wherein a left cylinder body (101) and a right cylinder body (102) of the main cylinder body are arranged in the left-right direction; the left cylinder body and the right cylinder body define a crankshaft cavity (20); the left cylinder body and the right cylinder body are each provided with a combustion chamber (11) extending in the horizontal direction; the end covers comprise a left cylinder cover (301) provided on the left side of the left cylinder body and a right cylinder cover (302) provided on the right side of the right cylinder body; the timing cover is located on one side of the main cylinder body and is fixed to at least one of the left cylinder body, the right cylinder body, the left cylinder cover and the right cylinder cover; the oil pan is arranged on the lower portion of the main cylinder body and is communicated with the crankshaft cavity.

A thermal management system for a vehicle may adjust the temperature of a battery module by using one chiller where the refrigerant and the coolant may exchange heat with each other and a battery heater for selectively heating the coolant, may perform heating of the vehicle interior by using the coolant heated by the battery heater, may simplify a layout of the system and reduce manufacturing costs by forming a plurality of coolant flowing lines by a single valve according to selected mode of the vehicle.

The embodiment of the invention provides a cylinder cover assembly, a horizontally-opposed engine, a hybrid power assembly and a vehicle, the cylinder cover assembly comprises a body, an air flow channel and a cooling liquid channel are arranged in the body, and the body comprises a lower side and an upper side which are arranged in a deviating mode in the vertical direction; the airflow channel comprises an air inlet and an air outlet, the air inlet is formed in the lower side, and the air outlet is formed in the upper side; the cooling liquid channel surrounds at least part of the airflow channel and comprises a water inlet and a water outlet, the water inlet is formed in the lower side, and the water outlet is formed in the upper side. The air inlet of the airflow channel and the water inlet of the cooling liquid channel are formed in the lower side, and the exhaust port of the airflow channel and the water outlet of the cooling liquid channel are formed in the upper side, so that the influence of bubbles on cooling liquid flowing can be reduced, accumulation of the bubbles can be avoided, and the cooling effect of the cylinder cover assembly can be improved.

The invention discloses an axle staged cooling system, an axle staged cooling assembly and an engineering vehicle. The axle staged cooling system comprises an engine first-stage cooling system, an engine second-stage cooling system, an axle first-stage cooling system and an axle second-stage cooling system. Each stage of cooling system controls cooling water and oil path trend through a thermolator in each loop, controls axle cooling oil and engine cooling water to exchange heat, and meets different cooling requirements of an axle. The temperature sensor in each loop outputs water and oil temperature signals to a motor of the cooling fan, so that the rotating speed of the fan is increased to different degrees along with the temperature rise of each cooling system, and different cooling powers are matched. According to the grading system, the engine and the axles can work at the proper temperature at the same time, the two heat exchangers cool cooling oil of the front axle, cooling oil of the middle axle and cooling oil of the rear axle respectively, the cooling capacity of the front axle is improved, the braking effectiveness of the front axle is guaranteed, and rollover caused by serious backward movement of the gravity center of a vehicle during emergency braking is prevented.

The present invention relates to the field of engine control technology, and specifically provides an engine electronic main water pump control method, device and storage medium. In the method: S1, obtains a first parameter group and a knock compensation parameter, and determines whether the electronic main water pump can start closed-loop control based on a target water temperature based on the first parameter group and the knock compensation parameter. If the determination is yes, enters S2; S2, determines whether the conditions for starting the knock compensation function are met based on the current engine state; if the determination result is yes, enters S3, and if the determination result is no, enters S5; S3, determines whether knock compensation is performed based on the current electronic main water pump output offset. If the electronic main water pump output offset is greater than a preset value, knock compensation is performed and enters S4; otherwise, enters S5; S4, switches the closed-loop control based on the target water temperature to the open-loop control based on the target water temperature; S5, starts the open-loop control strategy based on the target water temperature; in this way, the purpose of increasing the engine cooling intensity and thermal efficiency is achieved.

A vehicle thermal management system including a heating heat exchanger which exchanges heat with air within an air-conditioning case to heat the air, and a cooling heat exchanger which exchanges heat with air to cool the air; a refrigerant line circulating through a compressor, a condenser, an expansion valve, and a chiller; a first coolant line that passes through the heating heat exchanger and exchanges heat with the condenser of the refrigerant line; a second coolant line that passes through the cooling heat exchanger and exchanges heat with the chiller of the refrigerant line; a radiator that exchanges heat between the coolant and outside air; a third coolant line that passes through the radiator and exchanges heat with a battery of a vehicle; and a mixing tank provided to mix the coolant of the first coolant line, the second coolant line, and the third coolant line.

A thermal management system includes a first flow path through which a heat medium flows, a second flow path through which the heat medium flows, a reserve tank provided in the second flow path, a water pump that circulates the heat medium, and a switching device. The thermal management system executes an air removal process for the second flow path and the first flow path by connecting the second flow path and the first flow path with the switching device and driving the water pump in a case where a temperature of a heat-exchanged device is lower than a specified temperature in a state where the second flow path and the first flow path are disconnected.

The invention relates to the technical field of vehicles, and discloses an engine intelligent layered thermal management system and method based on multivariable predictive control, and the system comprises a thermal management execution module, an information sensing module and an intelligent control module; the information sensing module is used for collecting real-time information and sending the real-time information to the intelligent control module; the information sensing module comprises a plurality of sensors and a communication interface, the plurality of sensors at least cover a temperature sensor, a pressure sensor and a flow sensor, and the communication interface is used for obtaining engine torque, rotating speed, fuel injection amount, boost pressure and vehicle speed information; the intelligent control module receives the real-time information sent by the information sensing module, performs thermal load prediction and multi-target optimization calculation to obtain an optimal control sequence, and sends the optimal control sequence to the thermal management execution module; and the thermal management execution module receives the optimal control sequence and calls an execution element to execute a thermal management action.

The invention relates to the technical field of automobile engines, in particular to an automobile engine temperature regulation and control method based on real-time data monitoring, which comprises the following steps: S1, collecting multi-source data in real time; s2, data feature extraction and fusion; s3, temperature regulation and control strategy intelligent decision making; s4, performing hierarchical regulation and control; according to the method, through multi-source data fusion and an intelligent algorithm, the limitation of traditional threshold control is broken through, millisecond-level response and dynamic adjustment of the engine temperature are achieved, and the temperature control precision is improved; according to the optimal strategy decision based on reinforcement learning, excessive work of the cooling system is avoided, and energy consumption is reduced; meanwhile, the engine is maintained to operate in the optimal temperature interval, and the fuel economy and the power output efficiency are improved; the real-time monitoring and closed-loop feedback mechanism can recognize the abnormal temperature trend in advance, high-temperature faults are avoided through hierarchical regulation and control, the service life of an engine and parts is prolonged, and the reliability of a vehicle is improved.

Systems and apparatuses include a container for a generator set. The container includes a housing including a cooling room structured to support a radiator and a radiator fan within the housing, an exhaust room structured to support an aftertreatment system, an engine room structured to contain the engine and the alternator within the housing, an air intake system positioned adjacent the engine room, and a control room structured to support control equipment for the generator set. The exhaust room may further support after treatment components including a muffler and an exhaust pipe.