42results about "Control devices for cooling apparatus" patented technology

The present application provides a vehicle and its thermal management control method, device and storage medium, wherein the vehicle includes an engine and a thermal management system, the thermal management system includes a water pump, the engine and the water pump are connected to form a first cooling cycle, and the thermal management control method includes: when the current temperature of the engine is less than or equal to a preset temperature threshold, and the total engine power is greater than or equal to a preset power threshold, and the current vehicle speed is less than or equal to a preset vehicle speed threshold, controlling the water pump to periodically switch between a start state and a stop state. The thermal management control method provided in the present application, when the engine is in a high-power, low-speed warm-up mode, periodically controls the water pump to switch between a start state and a stop state, thereby avoiding local overheating of the engine and placing the thermal management system in a state of minimum power consumption.

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.

Vehicle (10), comprising: a controller (40) programmed to operate the engine (14) and an electric machine (20) to supply energy to a low-voltage battery (26) and a high-voltage battery (28) at respective rates based on a target engine torque and a temperature of the engine (14) or the electric machine (20) when an engine (14) is operating in response to a remote start request and in response to exhaust gas sensor data indicating closed-loop engine operation.

The present application is applicable to the field of vehicle cooling control technology, and provides a cooling fan control method, device, electronic equipment and vehicle, including: determining a first speed threshold of the cooling fan input speed corresponding to the maximum application operating temperature corresponding to the physical properties of the silicone oil, obtaining the input speed of the cooling fan, and if the input speed of the cooling fan is greater than or equal to the first speed threshold, reducing the output speed of the cooling fan according to the control parameter, and when the output speed of the cooling fan is less than or equal to the second speed threshold, stopping the control of the cooling fan. When the present application determines that the input speed of the cooling fan is greater than the set speed threshold, the temperature of the fan clutch silicone oil is timely reduced by reducing the output speed of the cooling fan, thereby solving the problem that the silicone oil temperature is too high and affects the cooling function of the cooling fan.

A vehicle preconditioning system (110) is disclosed. The vehicle preconditioning system (110) is capable of automatically preconditioning engine coolant in a work vehicle, the vehicle preconditioning system comprising: a coolant heating device (52) coupled to an engine (16) of the work vehicle via a supply line (50) and a return line (54), wherein engine coolant circulates between the coolant heating device (52) and the engine (16) via the lines (50, 54);and a coolant heater start control device (350), comprising a start module (360) in operational communication with the coolant heater (52), a processor device (352), a persistent storage device (354) in operational communication with the processor device (352), and vehicle preconditioning logic stored in the persistent storage device (354), wherein the processor device (352) is capable of executing the vehicle preconditioning logic to automatically control the coolant heater (52) to initiate the heating of the engine coolant. A method with such a vehicle preconditioning system (110) is further disclosed.

A controller may cause, in a lubrication oil warm-up mode of a transmission, the transmission to operate in a stall mode that transfers heat to transmission oil for the transmission. The transmission oil may be diverted to a lubrication oil heater to heat the lubrication oil using the transmission oil. The controller may cause the transmission to disengage the stall mode and to engage a park mode, to pause the lubrication oil warm-up mode. The controller may cause the transmission to operate in the stall mode, to resume the lubrication oil warm-up mode, after the pause duration.

A method (30) of controlling a system (100) for modulating a flow of cooling air of a vehicle (V) in high-speed conditions of the vehicle (V) is described. A travel speed (Speed, Speed_Pred) of the vehicle (V) is determined and compared (504, 506) with at least one threshold value (Speed Antistk_Lo , Speed Antistk _ Hi ). In response to the travel speed of the vehicle being higher than the threshold value, an opening signal (AG Opening_Antistk ) of the system for modulating the flow of cooling air is asserted (502, 508, 510). In response to the travel speed of the vehicle being lower than the threshold value, the opening signal (AGS O pening_Antistk ) of the system for modulating the flow of cooling air is de-asserted (502, 508, 510). In response to the opening signal being asserted, the system for modulating the flow of cooling air is set to a condition of at least partial opening. In response to the opening signal being de-asserted, the system for modulating the flow of cooling air is controlled according to a logic that allows partial or complete closure.

A controller may cause, in a lubrication oil warm-up mode of a transmission, the transmission to operate in a stall mode that transfers heat to transmission oil for the transmission. The transmission oil may be diverted to a lubrication oil heater to heat the lubrication oil using the transmission oil. The controller may cause the transmission to disengage the stall mode and to engage a park mode, to pause the lubrication oil warm-up mode. The controller may cause the transmission to operate in the stall mode, to resume the lubrication oil warm-up mode, after the pause duration.

A system and method for controlling the operation of a vehicle radiator fan motor is provided. One embodiment receives one of a low-speed radiator fan control signal or a high-speed radiator fan control signal from an engine control module; provides a first soft start of the radiator fan motor in response to receiving the low-speed radiator fan control signal, wherein the first soft start is defined by a first increasing power ramp that starts at a zero-power level and ends at a low-speed power level; and provides a second soft start of the radiator fan motor in response to receiving the high-speed radiator fan control signal, wherein the second soft start is defined by a second increasing power ramp that starts at the zero-power level and ends at a high-speed power level.

The invention discloses a fan blade inclination angle adjusting method and system based on target optimization, equipment and a medium. According to the fan blade inclination angle adjusting method, firstly, an engine load and a fan blade inclination angle serve as variables, heat dissipation performance and energy consumption performance serve as evaluation targets, a target optimization function is constructed, then optimization solution is conducted on the target optimization function, and the fan blade inclination angle is obtained. The optimal fan blade inclination angle under different engine loads when the target optimization function is optimal is obtained, so that the mapping relation between the engine loads and the optimal fan blade inclination angle is constructed, then the mapping relation between the fan blade temperature and the fan blade inclination angle is obtained, and heating control can be conducted on the fan blades according to the real-time loads of the engine. The fan blade inclination angle is adjusted to the optimal fan blade inclination angle corresponding to the real-time load, so that automatic adjustment of the fan blade inclination angle under different engine loads is achieved, adjustment operation is simpler, and comprehensive optimization of heat dissipation performance and energy consumption performance under different loads is achieved.

The application discloses an engine piston oil cooling nozzle device and a control method thereof. The device comprises an ECU controller, a device body and a nozzle mounted on the device body. An oil inlet is formed in the device body, and an oil cavity and a control chamber are arranged independently in the device body. The oil inlet is communicated with the oil cavity. A valve rod assembly and a flow regulating device are respectively arranged in the oil cavity and the control chamber. The valve rod assembly is communicated with the oil cavity and the control chamber. A flow sensor is mounted on the nozzle. The ECU controller sends a signal to the flow regulating device to control the valve rod assembly to control the oil flow into the nozzle according to the signal sent by the flow sensor. The speed and torque of the engine are detected by the ECU controller to judge the working condition of the engine. According to the judged working condition, a corresponding cooling mode is selected. According to the corresponding cooling mode, a signal of a corresponding current size is sent to the flow regulating device. The flow regulating device controls the flow area between the valve core and the nozzle, so that the oil injection flow can be adjusted according to different working conditions.

Procedure, comprehensive: Estimating a transmission oil temperature (TOT) at a torque converter (TC) outlet based on a torque converter slip ratio; and Adjusting the flow of coolant through each of an air conditioning (AC) condenser, a charge air cooler (CAC), and a transmission oil cooler (TOC) of a coolant circuit to maintain the estimated transmission oil temperature (TOT) below a threshold in response to the TOT being estimated based on a torque converter slip ratio.

A coolant heating system includes: a coolant heater including: a housing including: an inlet configured to receive coolant; and an outlet configured to output coolant; an electrically resistive heating element that is disposed within the housing and that is configured to generate heat when power is applied to the heating element; and a temperature sensor configured to measure a temperature of coolant within the housing; and a heater control module configured to: receive the temperature from the temperature sensor; selectively control application of power to the heating element based on maintaining the temperature at or above a predetermined temperature; selectively detect the presence of a condition based on the temperature; and when the presence of the condition is detected, disconnect the heating element from power.

A vehicle preconditioning system automatically preconditions engine coolant in a work vehicle for operation of the work vehicle at a predetermined desired ready time. The system includes a coolant heating device wherein engine coolant is circulated between the coolant heating device and the engine via the conduits. A coolant temperature sensor determines a temperature of the engine coolant, and a minimum required lead time is determined for modifying a temperature of the engine coolant in the work vehicle from an initial temperature to a desired minimum temperature. The heating device is automatically controlled to initiate heating the engine coolant at a heater start time prior to the desired ready time by the minimum required lead time sufficient to heat the engine coolant to the desired minimum temperature for the work vehicle to be available for the operation at the predetermined desired ready time.

A swivel working machine includes a radiator fan, an oil cooler fan, a temperature detector to detect a temperature of a target, a storage / memory to store first data defining a relationship between the detected temperature and a first target rotational speed, and second data defining a relationship between the detected temperature and a second target rotational speed, and a controller configured or programmed to control a rotational speed of the radiator fan to the first target rotational speed corresponding to the detected temperature and control a rotational speed of the oil cooler fan to the second target rotational speed corresponding to the detected temperature. The second target rotational speed is set such that a difference between the second and first target rotational speeds is a predetermined difference or more.

The present application discloses a thermal management system for a vehicle comprising an internal combustion engine having an intake duct and an exhaust duct and at least one electric motor driven by a battery, the thermal management system comprising: a first coolant circuit designed as a high-temperature circuit in which a first coolant circuit is connected to the internal combustion engine, and a second coolant circuit designed as a high-temperature circuit in which a second coolant circuit is connected to the internal combustion engine; coolant flows through the internal combustion engine, the electric pressurizing air compressor arranged in the air inlet pipeline, the internal cabin heating device and the high-temperature radiator. A second coolant circuit designed as a low-temperature circuit in which a coolant flow flows through the charge air cooler and the low-temperature radiator provided in the intake duct; a third coolant circuit designed as a battery cooling circuit in which a coolant flow flows through the battery and the at least one indirect evaporator; the control device is provided with a plurality of pumps and control valves for driving and controlling the flow of liquid in each circuit, and the high-temperature circuit can be connected with the low-temperature circuit and the battery cooling circuit at at least two points, respectively, and the connection can be carried out reversibly by adjusting the control valves. A portion of the second coolant circuit and a portion of the third coolant circuit may be combined with the first coolant circuit.

A vehicle and a thermal management control method and device therefor, and a storage medium are provided. The vehicle includes an engine and a thermal management system. The thermal management system includes a water pump. The engine and the water pump are connected to form a first cooling circulation. The thermal management control method includes: when a current temperature of the engine is less than or equal to a preset temperature threshold, a total engine power is greater than or equal to a preset power threshold, and a current vehicle speed is less than or equal to a preset vehicle speed threshold, controlling the water pump to periodically switch between a start state and a stop state. In the thermal management control method provided in the the present disclosure, when the engine is in a warm-up mode of high power and low vehicle speed, by controlling the water pump to periodically switch between a start state and a stop state, the local overheat of the engine is avoided and the thermal management system is allowed to be in a minimum power consumption state.

A method (100) of operating a cooling system (1, 1 ') of a vehicle (2) is disclosed. The cooling system (1, 1 ') comprises a first and a second coolant circuit (6, 8). The first coolant circuit (6) comprises: a first coolant pump (10); a conduit section (12) connected to a pump inlet (10 ') of the first coolant pump (10); a starting conduit (18); filling points (75); and a conduit section (p6) located between the filling point (75) and the pump inlet (10 '), the conduit section (p6) being arranged below the pump inlet (10'). The method (100) comprises the steps of, during a stop of the first coolant pump (10), initiating (110) a supply of coolant from the second coolant circuit (8) to the conduit section (12) via the starting conduit (18), and then initiating (120) operation of the first coolant pump (10). The disclosure also relates to a computer program, a computer readable medium (200), a control device (21), a cooling system (1, 1 ') and a vehicle (2).

Whining noise is prevented by simple fan control. A swivel working machine (1) includes a radiator fan (94a) (first cooling fan), an oil cooler fan (97a) (second cooling fan), a temperature detector (TD) to detect a temperature of a to-be-cooled target, a storage and / or a memory (121) to store first data defining a correspondence relationship between the temperature detected by the temperature detector (TD) and a first target rotational speed which is a target rotational speed of the radiator fan (94a), and second data defining a correspondence relationship between the temperature detected by the temperature detector (TD) and a second target rotational speed which is a target rotational speed of the oil cooler fan (97a), and a controller (120) to control a rotational speed of the radiator fan (94a) to the first target rotational speed corresponding to the temperature detected by the temperature detector (TD) and control a rotational speed of the oil cooler fan (97a) to the second target rotational speed corresponding to the temperature detected by the temperature detector (TD), and the second target rotational speed is set such that a difference between the second target rotational speed and the first target rotational speed is equal to or larger than a predetermined difference irrespective of the temperature detected by the temperature detector (TD).

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 vehicle (100) and a thermal management control method, device (124), and storage medium, the vehicle (100) including an engine (110) and a thermal management system (120), the thermal management system (120) including a water pump (121), the engine (110) and the water pump (121) being connected to form a first cooling cycle. The thermal management control method includes controlling the water pump (121) to periodically switch between a started state and a stopped state when a current temperature of the engine (110) is equal to or less than a predetermined temperature threshold, a total power output of the engine (110) is equal to or greater than a predetermined power threshold, and a current vehicle speed is equal to or less than a predetermined vehicle speed threshold.

The application discloses an engine coolant temperature control method and device, the method comprises the following steps: first-order low-pass filtering processing is carried out on the actual coolant temperature to obtain the filtered actual coolant temperature; it is judged whether the actual coolant temperature switching condition is satisfied or not, if yes, the actual temperature adopts the filtered actual coolant temperature, otherwise, the actual temperature continues to adopt the actual coolant temperature; in the two temperature switching processes, the absolute value of the change rate does not exceed the preset change rate value; the target coolant temperature is obtained as the original target temperature, dynamic optimization is carried out to obtain the final target temperature, and closed-loop PID control is carried out on the engine coolant temperature according to the final target temperature and the actual temperature; including: original target temperature reset, original target temperature transition, original target temperature decrement and other conditions, and the priority is lower and lower. The application solves the problems of low closed-loop control precision and poor robustness when the target coolant temperature changes greatly.

A method (100) of operating a cooling system (1, 1') of a vehicle (2) is disclosed. The cooling system (1, 1') comprises a first and a second coolant circuit (6, 8). The first coolant circuit (6) comprises a first coolant pump (10), a conduit section (12) connected to a pump inlet (10') of the first coolant pump (10), a primer conduit (18), a filling point (75), and a conduit portion (p6) located between the filling point (75) and the pump inlet (10'), wherein the conduit portion (p6) is arranged below the pump inlet (10'). The method (100) comprises the steps of initiating (110) a supply of coolant from the second coolant circuit (8) to the conduit section (12) via the primer conduit (18) during standstill of the first coolant pump (10), and then initiating (120) operation of the first coolant pump (10). The present disclosure further relates to a computer program, a computer-readable medium (200), a control arrangement (21), a cooling system (1, 1'), and a vehicle (2).

Thermal management system for a vehicle comprising an internal combustion engine with an intake manifold and an exhaust manifold, and at least one battery-powered electric motor, and the thermal management system a first coolant circuit, which is designed as a high-temperature circuit, in which the internal combustion engine, an electric charge air compressor arranged in the intake tract, an interior heating device and a high-temperature radiator are supplied with coolant, a second coolant circuit, designed as a low-temperature circuit, in which a charge air cooler located in the intake tract and a low-temperature radiator are supplied with coolant, a third coolant circuit, designed as a battery cooling circuit, in which the battery and at least one indirect evaporator are supplied with coolant, and includes a control device, wherein a number of pumps and controllable valves are arranged to drive and regulate the fluid flow in the circuits, and The high-temperature circuit can be connected to the low-temperature circuit and the battery cooling circuit at at least two points each, the connections being reversible by adjusting control valves, and thus parts of the second and third coolant circuits can be combined with the first coolant circuit. as well as a vehicle and a method for controlling the temperatures of the vehicle's equipment.

Methods and systems are provided for a thermal management system. In one example, a thermal management system for a vehicle comprising an internal combustion engine comprising an intake tract and an exhaust tract, the vehicle further comprising at least one electric motor driven by a battery, the thermal management system including a first coolant circuit coupled to each of the internal combustion engine, an electric compressor, an electric charge-air compressor arranged in the intake tract, an interior compartment heating device, and a high-temperature radiator, a second coolant circuit coupled to each of a charge-air cooler arranged in the intake tract and a low-temperature radiator, a third coolant circuit coupled to each of the battery and at least one indirect condenser.

Whining noise is prevented by simple fan control. A swivel working machine (1) includes a radiator fan (94a) (first cooling fan), an oil cooler fan (97a) (second cooling fan), a temperature detector (TD) to detect a temperature of a to-be-cooled target, a storage and / or a memory (121) to store first data defining a correspondence relationship between the temperature detected by the temperature detector (TD) and a first target rotational speed which is a target rotational speed of the radiator fan (94a), and second data defining a correspondence relationship between the temperature detected by the temperature detector (TD) and a second target rotational speed which is a target rotational speed of the oil cooler fan (97a), and a controller (120) to control a rotational speed of the radiator fan (94a) to the first target rotational speed corresponding to the temperature detected by the temperature detector (TD) and control a rotational speed of the oil cooler fan (97a) to the second target rotational speed corresponding to the temperature detected by the temperature detector (TD), and the second target rotational speed is set such that a difference between the second target rotational speed and the first target rotational speed is equal to or larger than a predetermined difference irrespective of the temperature detected by the temperature detector (TD).

A method (100) of operating a cooling system (1, 1') of a vehicle (2) is disclosed. The cooling system (1, 1') comprises a first and a second coolant circuit (6, 8). The first coolant circuit (6) comprises a first coolant pump (10), a conduit section (12) connected to a pump inlet (10') of the first coolant pump (10), a primer conduit (18), a filling point (75), and a conduit portion (p6) located between the filling point (75) and the pump inlet (10'), wherein the conduit portion (p6) is arranged below the pump inlet (10'). The method (100) comprises the steps of initiating (110) a supply of coolant from the second coolant circuit (8) to the conduit section (12) via the primer conduit (18) during standstill of the first coolant pump (10), and then initiating (120) operation of the first coolant pump (10). The present disclosure further relates to a computer program, a computer-readable medium (200), a control arrangement (21), a cooling system (1, 1'), and a vehicle (2).

The invention discloses a heat dissipation system and a heat dissipation method of a gas generator set, and the heat dissipation system comprises a heat dissipation module which carries out the heat dissipation of a water cooler and an engine cabin through a water-cooled or / and air-cooled radiator, and the water cooler is used for cooling an engine of the gas generator set; the signal acquisition module comprises a first temperature sensor for acquiring the temperature of an engine cabin and a second temperature sensor for acquiring the temperature of the water outlet end of the water cooler; the control module is used for acquiring the signal of the signal acquisition module, analyzing the signal and then controlling the heat dissipation module according to control logic; the heat dissipation module comprises a heat dissipation unit acting on the engine compartment and a heat exchange unit acting on the water cooler. The stability and the energy utilization efficiency of the gas generator set can be improved through the two heat exchangers and control over the heat exchangers.

The present application is applicable to the field of vehicle cooling control technology, and provides a cooling fan control method, device, controller and vehicle, including: when it is detected that the altitude of the vehicle's driving position is higher than or equal to a first altitude threshold, determining the engagement rate of the cooling fan; if the engagement rate is greater than a preset engagement rate value, determining the control parameter corresponding to the altitude of the driving position; and controlling the speed of the cooling fan according to the control parameter. The present application adopts different control parameters for different driving altitudes, thereby improving the control accuracy of the cooling fan.

Device for cooling and heating a motor vehicle with an internal combustion engine (1) which is cooled by means of a motor coolant pump (7) circulated by means of, with a) a cooling circuit passing through the engine coolant pump (7), the internal combustion engine (1) and a radiator branch (6a) with a vehicle radiator (8) and a radiator thermostat (6), b) a bypass branch (6b) leading through the engine coolant pump (7) and the internal combustion engine (1), which bypasses the vehicle radiator (8) in a bypass circuit and is open to flow when the radiator thermostat (6) is closed, c) a ventilation circuit leading through the engine coolant pump (7), the internal combustion engine (1) and a ventilation branch (9a) with a water reservoir (9), d) a heating heat exchanger circuit passing through the engine coolant pump (7), the internal combustion engine (1) and a heating branch (4a) with a heating heat exchanger (4), e) an additional valve (6bv) controllable by an engine control unit (16), with which the bypass branch (6b) can be closed when the radiator thermostat (6) is closed, f) a cooling circuit through which the engine coolant pump (7) carries the internal combustion engine (1) and an auxiliary branch (6d) with an engine oil cooler (30), which is open to flow when the radiator thermostat (6) is closed, g) a cooling circuit through which the engine coolant pump (7) leads the internal combustion engine (1) and an auxiliary branch (6e) with a transmission oil cooler (40), which is open to flow when the radiator thermostat (6) is closed, h) an air-side temperature control system in which the temperature of the air (20) supplied to a cabin of the motor vehicle can be adjusted by means of the mixing via an air temperature control flap (5) of an air mass flow (21) supplied through the heating heat exchanger (4) with an unheated bypass air mass flow (22), characterized in that the cooling circuit with the auxiliary branch (6d) with engine oil cooler (30) and the cooling circuit with the auxiliary branch (6e) with transmission oil cooler (40) lead together through a valve (6cv) which is controlled by the engine control unit (16) and in the closed state interrupts both auxiliary branches (6d, 6e) together.