10results about "Signal processing for cooling apparatus" patented technology

A thermal management system for transferring heat between fluids includes a heat transfer bus through which a heat exchange fluid flows. Furthermore, the system includes a heat source heat exchanger arranged along the bus such that heat is added to the fluid flowing through the heat source heat exchanger. Furthermore, the system includes a plurality of radiator heat exchangers arranged along the bus such that heat is removed from the fluid flowing through the plurality of radiator heat exchangers. Furthermore, the system includes a bypass conduit fluidically coupled to the bus such that the bypass conduit allows the fluid to bypass one of the heat source heat exchangers or one of the radiator heat exchangers. Furthermore, the system includes a valve configured to control the flow of the fluid through the bypass conduit based on the pressure of the fluid within the bus.

A control device of a vehicle and a method of estimating a temperature of a component of an internal combustion engine. The control device of the vehicle executes: a base temperature calculating process of calculating a base temperature of a component of an internal combustion engine; a correction value calculating process of calculating a correction value; a queue reflecting process of causing the correction value to reflect a tendency that the component is less likely to be cooled in a case where the temperature-estimating vehicle, in which the component whose temperature is estimated is mounted, is one of a plurality of vehicles constituting a queue than in a case where the temperature-estimating vehicle is a following vehicle; a last reflecting process of causing the correction value to reflect a tendency that the component is more likely to be cooled in a case where the temperature-estimating vehicle is a last vehicle than in a case where the temperature-estimating vehicle is not the last vehicle; and a component temperature estimating process of correcting the base temperature using the correction value.

Provided are a thermal management system modeling method and apparatus, and a device, a readable storage medium, a vehicle, a computer program product and a computer program. The method comprises: acquiring a plurality of temperature nodes in a thermal management system and a plurality of branch loops in the thermal management system; on the basis of a heat exchange component in each branch loop and / or warm water points of cooling liquids in at least two branch loops, determining temperature nodes which cannot be combined; and on the basis of the temperature nodes which cannot be combined, combining the temperature nodes in the thermal management system according to a preset combination strategy, so as to obtain a target model corresponding to the thermal management system.

Disclosed is an engine cooling system, which includes: a water temperature controller assembly (WTCA) coupled to an engine of a vehicle to control a flow of a coolant discharged from the engine; and a first temperature sensor. The first temperature sensor may be configured to: measure one or more temperatures of the coolant discharged from the engine; and generate one or more signals indicating the one or more measured temperatures of the coolant. The engine cooling system may further include a processor configured to: receive the one or more signals; determine a highest coolant temperature measured during a first time period; determine, based on the highest coolant temperature measured during the first time period, whether an amount of the coolant is below a threshold coolant level; and send, based on a determination that the amount of the coolant is below the threshold coolant level, a signal to the vehicle.

The present disclosure provides a cooling system for a hybrid vehicle having an engine and electrical components. The system includes a cooling module having a cooling fan; an engine cooling device having a first line connected to the cooling module and the engine, a first coolant flowing through the first line; an intercooler; an electrical component cooling device having a water pump and a second line connected to the cooling module, the electrical components, and the water pump, a second coolant flowing through the second line; and a controller for controlling operation of the cooling fan and the water pump. The intercooler circulates the second coolant and is disposed in series with the electrical components. Based on a flow direction of the second coolant, the electrical component cooling device includes a bypass line connected to the second line downstream of the cooling module and the second line upstream of the intercooler.

A method for controlling the operation of an active venting device (30) fluidically coupled to a vent in a hood (16) of a motor vehicle (10), wherein the active venting device (30) is switchable between closed and open states to block and release the vent, the method comprising: Determining the presence of a calibrated vehicle vent condition via the vehicle control; Determining the presence of a calibrated vehicle speed condition via the vehicle controller; in response to a determination that the calibrated vehicle venting condition exists, transmitting a first command signal to the active venting device (30) to transition to the open state and thereby permit venting fluid flow through the vent opening; and in response to a determination that the calibrated vehicle speed condition exists, transmitting a second control signal to the active venting device (30) to transition to the closed state and thereby limit the flow of venting fluid through the vent opening; characterized in that (i) the motor vehicle (10) includes an internal combustion engine (ICE) (52) assembly, and wherein the calibrated vehicle venting condition includes an engine operating temperature that exceeds a calibrated nominal engine temperature, wherein the calibrated vehicle venting condition exists when both an engine operating temperature of the ICE assembly exceeds a calibrated engine nominal temperature and the motor vehicle (10) is driven at a current speed above a calibrated highway speed; or that (ii) the calibrated vehicle venting condition is present when the motor vehicle (10) performs a hard turning maneuver.

A cooling system is for a hybrid vehicle with an engine and an electrical component. The system includes: a cooling module having a cooling fan: an engine cooling apparatus having a first line connected to the cooling module and the engine and through which a first coolant flows; an intercooler ; an electrical component cooling apparatus having a water pump and a second line connected to the cooling module, the electrical component, and the water pump and through which a second coolant flows; and a controller to control operation of the cooling fan and the water pump. The intercooler circulates the second coolant and is disposed in series with the electrical component. The electrical component cooling apparatus includes a bypass line connected to the second line downstream of the cooling module and to the second line upstream of the intercooler, based on a flow direction of the second coolant.

A method for predicting a temperature of for an engine cooling system, includes: obtaining a first temperature of the engine cooling system at an initial moment, operating parameters of an engine, and a target moment, in which the engine cooling system comprises at least cooling water, an inner cylinder wall, and an outer cylinder wall; determining a number of unit time steps required from the initial moment to the target moment according to a preset unit time step; and obtaining a target temperature of the engine cooling system at the target moment by performing a set number of iterative calculations according to the first temperature and the operating parameters of the engine.

The invention relates to the technical field of locomotive heat dissipation, in particular to a locomotive cooling fan control system and a control method thereof.The system comprises an internal combustion engine, a radiator, a cooling fan unit, an inverter, a locomotive microcomputer, an environment temperature sensor, a water temperature sensor and a diesel engine rotating speed sensor. The cooling fan unit provides cooling air which flows through the radiator to take away heat generated by the internal combustion engine. And the inverter is electrically connected with the cooling fan unit and provides a variable-voltage variable-frequency three-phase alternating-current power supply for the cooling fan unit. The locomotive microcomputer is electrically connected with the environment temperature sensor, the water temperature sensor, the diesel engine rotating speed sensor and the inverter, collects input parameters needed by control of the cooling fan and conducts information interaction with the inverter. Meanwhile, a cooling fan start-stop and rotating speed control calculation method is provided, a locomotive microcomputer judges whether the cooling fan is started or stopped according to the rotating speed of an internal combustion engine, the environment temperature, the cooling water temperature and the state of an inverter, and the target rotating speed of the cooling fan is calculated.

A method for modeling a thermal management system modeling includes: acquiring a plurality of temperature nodes in a thermal management system and a plurality of branch loops in the thermal management system; determining temperature nodes which are unable to be combined in the thermal management system based on at least one of a heat exchange component in each branch loop or warm water points of coolant in at least two of the plurality of branch loops,; and obtaining a target model corresponding to the thermal management system by combining the plurality of temperature nodes in the thermal management system according to a preset combination policy based on the temperature nodes which are unable to be combined.