B60H2001/3266

VEHICLE CONTROL SYSTEM

A vehicle control system is provided, in which an engine ECU starts fuel cut control when deceleration is requested, and an air conditioner ECU operates a compressor to accumulate the cold while the fuel cut control operation is performed by an engine controller, and deactivates the compressor in a case where an evaporator temperature matches or falls below a compressor deactivatable temperature when a condition for terminating the fuel cut control is satisfied. The engine ECU extends the fuel cut control in a case where the compressor is deactivated when the condition for terminating the fuel cut control is satisfied. The air conditioner ECU includes an airflow volume decreasing unit configured to decrease an airflow volume from a blower, which blows air into a vehicle interior, when an estimated air conditioning load is low during the operation to accumulate the cold, for rapidly decreasing the evaporator temperature.

ENHANCED VEHICLE OPERATION

A computer includes a processor and a memory, the memory storing instructions executable by the processor to collect (a) ambient weather data, (b) vehicle speed data including at least one of a vehicle speed or an engine speed, and (c) operation data of a climate control subsystem of a vehicle, input the collected data to a regression program trained to output a predicted pressure of refrigerant of the climate control subsystem, the regression program trained with previously determined ambient weather data, data of a previous vehicle speed or a previous engine speed, and previous operation data of the climate control subsystem, determine an actual pressure of the refrigerant in the climate control subsystem, and actuate a component upon determining that a difference between the predicted pressure and the actual pressure falls below threshold.

Method for extending duration of use of refrigerant and improving cooling efficiency using microcomputer circuitry and logic
11230157 · 2022-01-25 ·

A method comprises the steps of using microcomputer circuitry and logic generating data format providing activation and deactivation of a portable air cooling unit and operating the blower fan at differing speeds optimizing and conserving the rate of expending pre-cooled refrigerant. First, deactivating the unit during periods when cooling is unnecessary. Using sensors, including proximity sensors, for sensing the data format of individuals. The logic upon detecting an individual within the predefined range generates data format activating the chilled air output and deactivating the unit upon not sensing objects. The data format associated with the objects, dimensional aspect of range and operations of the portable air cooling unit are stored in the memory. Additionally, the active coupling of the temperature sensors operates the fan at lower speeds when the outside temperature is within the cooler temperature setting spectrum. Alternatively, switches are provided for operating the portable air cooling units.

VEHICLE REFRIGERATOR CONTROL METHOD, STORAGE MEDIUM, AND VEHICLE
20230294484 · 2023-09-21 ·

The disclosure relates to the field of electric vehicles, and in particular provides a vehicle refrigerator control method, a storage medium, and a vehicle, aiming to solve the problems of how to implement the intelligent identification of items stored in a vehicle refrigerator, and of controlling the vehicle refrigerator based on information of the stored item and vehicle state information. To this end, the method of the disclosure includes: obtaining item information of a vehicle refrigerator; obtaining a real-time temperature and a target temperature of the vehicle refrigerator; obtaining vehicle state information; and controlling the vehicle refrigerator based on the real-time temperature, the target temperature, and the vehicle state information. By applying the method of the disclosure, the user can quickly and accurately know the information of the item stored in the vehicle refrigerator, a suitable target temperature can be automatically set based on the item information, and the vehicle refrigerator can be controlled, based on the vehicle state information, to operate in different modes. The method of the disclosure not only optimizes the control over the vehicle refrigerator, satisfies the refrigeration requirement, but also solves the problems of NVH and vehicle energy consumption, etc, thereby providing users with a more comfortable experience.

VEHICLE INTERIOR ENVIRONMENT CONTROL
20230331061 · 2023-10-19 ·

A computer-implemented process for controlling a vehicle interior includes detecting a previously defined situation that relates to an undesirable environmental condition of the vehicle interior, and assessing both a risk level and an urgency level, based on a vehicle sensor input. The process also includes generating a vehicle command based upon the detected previously defined situation, the assessed risk level, and assessed urgency level, and executing the generated vehicle command to control at least one of an engine, a window, and a heating, ventilation and air conditioning (HVAC) unit to modify an environmental condition of the vehicle interior.

METHOD FOR OPERATING A REFRIGERATION SYSTEM WITH A HEAT PUMP FUNCTION AND A REGENERATION FUNCTION FOR HEAT SOURCES, REFRIGERATION SYSTEM, AND MOTOR VEHICLE COMPRISING SUCH A REFRIGERATION SYSTEM
20230294481 · 2023-09-21 · ·

A method is described for operating a refrigeration system having a heat pump function for motor vehicle, including the following steps: setting a heat pump operation, in which the refrigerant is routed from the refrigerant compressor into the secondary line; setting an expansion valve assigned to the third heat exchanger such that a total mass flow of refrigerant flows through the third heat exchanger; detecting the temperature of the coolant in the third heat exchanger. The total mass flow of refrigerant is routed through the third heat exchanger when the temperature of the coolant is greater than an upper limiting temperature.

Peak demand response operation of HVAC systems

An HVAC system includes a variable-speed compressor which compresses refrigerant flowing through the HVAC system, a blower which provides a flow of air through the HVAC system at a controllable flow rate, and a controller communicatively coupled to the variable-speed compressor and the blower. The controller receives a demand request, which includes a command to operate the HVAC system at a predefined setpoint temperature. In response to receiving the demand request, a setpoint temperature associated with the HVAC system can be adjusted to the predefined setpoint temperature. A speed of the variable-speed compressor is decreased to a low-speed setting. Based on the decreased speed of the variable-speed compressor, an air-flow rate can be determined to provide by the blower. The controllable flow rate of the flow of air provided by the blower can be adjusted based on the determined air-flow rate.

Control device, terminal device, and control method

A control device includes a control unit and a communication unit. The control unit is configured to calculate a set value that is the set value of an air conditioner provided in the destination facility of a vehicle and is to be used by the occupants of the vehicle, based on information on the air conditioning environment in the vehicle and is configured to send the calculated set value of the air conditioner to a predetermined sending destination via the communication unit.

Electronic control unit for air conditioner

An electronic control unit is applied to an air conditioner, the air conditioner including a heating unit which heats a heat medium, a casing which allows an air flow to circulate toward a compartment, a blower which generates the air flow in the casing, and a heat exchanger disposed in the casing that heats the air flow by exchanging heat between the heat medium heated by the heating unit and the air flow. The blower air volume of the blower is controlled based on a first candidate value determined based on an estimated blowing temperature, and a second candidate value determined based on a required blowing air temperature and the estimated blowing temperature. The second candidate value is set as a predetermined value when a warm-up operation of the heating unit is completed.

Thermal energy management system with high cooling capacity in idle and high performance passive battery cooling

An air conditioning and battery cooling assembly with an A/C coolant circuit and an E-drivetrain coolant circuit as well as a refrigerant circuit, wherein the A/C coolant circuit and the E-drivetrain coolant circuit are coupled together across a 4/2-way coolant valve in such a way that the A/C coolant circuit and the E-drivetrain coolant circuit can be operated separately or can receive a flow in serial manner.