CN116198285A - Thermal management system, thermal management method, electronic device, and vehicle - Google Patents
Thermal management system, thermal management method, electronic device, and vehicle Download PDFInfo
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- CN116198285A CN116198285A CN202310499617.1A CN202310499617A CN116198285A CN 116198285 A CN116198285 A CN 116198285A CN 202310499617 A CN202310499617 A CN 202310499617A CN 116198285 A CN116198285 A CN 116198285A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00007—Combined heating, ventilating, or cooling devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
- B60H1/00278—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit for the battery
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
- B60H1/00385—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
- B60H1/00392—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell for electric vehicles having only electric drive means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
- B60H1/00385—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
- B60H1/004—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell for vehicles having a combustion engine and electric drive means, e.g. hybrid electric vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
- B60H1/00878—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/66—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells
- H01M10/663—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells the system being an air-conditioner or an engine
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Energy (AREA)
- Sustainable Development (AREA)
- Combustion & Propulsion (AREA)
- Automation & Control Theory (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The present disclosure relates to a thermal management system, a thermal management method, an electronic device, and a vehicle. The thermal management system includes: a state information acquisition unit configured to acquire state information of at least one component unit of the vehicle; an operation information acquisition unit configured to acquire operation information of a vehicle; a thermal management unit for performing thermal management including heating and cooling on at least one of the component units; and a control unit for controlling the thermal management unit to perform thermal management based at least on the status information and the operation information. In the process of controlling the thermal management of the vehicle including heating and cooling, dynamic vehicle operation information is considered at the same time according to static state information of the vehicle component unit, so that the thermal management control of the vehicle can be actively executed according to the operation dynamics of the vehicle, the vehicle component unit can be ensured to be kept in a proper working temperature range in the current and subsequent operation processes, the service life of the vehicle component unit is prolonged, and the reliability and safety of the vehicle operation are improved.
Description
Technical Field
The present disclosure relates to the field of vehicle thermal management, and more particularly, to a thermal management system, a thermal management method, an electronic device, and a vehicle.
Background
At present, in the field of passenger cars, in pure electric vehicles equipped with large-capacity power batteries, or in hybrid electric vehicles or range-extended vehicles using fuel oil and electric energy, an air conditioning system is required to be started manually for heating and cooling a passenger cabin, and the heating and cooling of the power batteries are passively controlled according to the temperature of battery cells and cannot be interfered in advance according to possible running states and temperature change trends of the vehicles, so that the temperature of the battery cells is easily higher, and the service life, reliability and safety of the batteries are affected.
Disclosure of Invention
The present disclosure has been made in view of the above-described problems. The present disclosure provides a thermal management system, a thermal management method, an electronic device, and a vehicle.
According to one aspect of the present disclosure, there is provided a thermal management system for a vehicle, comprising: a state information acquisition unit configured to acquire state information of at least one component unit of the vehicle; an operation information acquisition unit configured to acquire operation information of the vehicle; a thermal management unit for performing thermal management including heating and cooling on the at least one component unit; and a control unit configured to control the thermal management unit to perform the thermal management based at least on the status information and the operation information.
Further, a thermal management system according to an aspect of the present disclosure, wherein the at least one component unit includes a power battery unit, the operation information includes position information and operation path information of the vehicle, and the state information includes real-time temperature information of the power battery unit.
Further, according to a thermal management system of one aspect of the present disclosure, wherein the control unit predicts a temperature change interval of the power battery unit for a predetermined period of time based on at least the position information and the running path information of the vehicle and the real-time temperature information, and controls the thermal management unit to perform the thermal management based on the temperature change interval and a predetermined operating temperature range of the power battery unit.
Further, according to a thermal management system of one aspect of the present disclosure, wherein the at least one component unit further includes an engine unit, the state information further includes real-time temperature information of the engine unit, the operation information includes operation state information of the vehicle, and the control unit controls the thermal management unit to perform the thermal management based on at least the operation state information of the vehicle, the real-time temperature information of the engine unit, and the real-time temperature information of the power battery unit.
Further, a thermal management system according to an aspect of the present disclosure, wherein the operating state information indicates that the vehicle is at least one of pre-started, stopped, pre-charged, and the control unit controls the thermal management unit to perform the thermal management based on at least the real-time temperature information of the engine unit and the real-time temperature information of the power battery unit, and a predetermined operating temperature range corresponding to the at least one of pre-started, stopped, pre-charged, and charged.
According to another aspect of the present disclosure, there is provided a thermal management method for a vehicle, including: acquiring state information of at least one component unit of the vehicle; acquiring running information of the vehicle; and performing thermal management including heating and cooling on the at least one component unit based at least on the status information and the operational information.
Further, according to another aspect of the present disclosure, the at least one component unit includes a power battery unit, the operation information includes position information and operation path information of the vehicle, and the state information includes real-time temperature information of the power battery unit.
Further, according to another aspect of the present disclosure, the performing thermal management including heating and cooling on the at least one component unit based at least on the status information and the operation information includes: a temperature variation section of the power battery unit within a predetermined period of time is predicted based on at least the position information and the running path information of the vehicle and the real-time temperature information, and the thermal management is performed based on the temperature variation section and a predetermined operating temperature range of the power battery unit.
Further, according to another aspect of the present disclosure, the at least one component unit further comprises an engine unit, the status information further comprises real-time temperature information of the engine unit, the operating information comprises operating status information of the vehicle, the operating status information indicates that the vehicle is in at least one of a pre-start, stop, pre-charge, charge status, the performing thermal management including heating and cooling on the at least one component unit based at least on the status information and the operating information comprises: the thermal management is performed based at least on the real-time temperature information of the engine unit and the real-time temperature information of the power battery unit, and a predetermined operating temperature range corresponding to at least one of the pre-start, stop, pre-charge, and state of charge.
According to still another aspect of the present disclosure, there is provided an electronic device including: a memory for storing computer readable instructions; and a processor for executing the computer readable instructions to cause the electronic device to perform the thermal management method as described above.
According to yet another aspect of the present disclosure, there is provided a vehicle characterized by comprising a thermal management system as described above.
As will be described in detail below, according to the thermal management system, the thermal management method, the electronic device, and the vehicle of the embodiments of the present disclosure, in controlling thermal management of the vehicle including heating and cooling, not only according to static state information of a vehicle component unit, but also taking dynamic vehicle operation information into consideration, so that thermal management control of the vehicle can be actively performed according to operation dynamics of the vehicle, ensuring that the vehicle component unit can be maintained in a suitable operating temperature range both during current and subsequent operation, prolonging the service life of the vehicle component unit, and improving reliability and safety of vehicle operation.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and are intended to provide further explanation of the technology claimed.
Drawings
The above and other objects, features and advantages of the present disclosure will become more apparent by describing in more detail embodiments thereof with reference to the attached drawings. The accompanying drawings are included to provide a further understanding of embodiments of the disclosure, and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure, without limitation to the disclosure. In the drawings, like reference numerals generally refer to like parts or steps.
FIG. 1 is a functional block diagram illustrating a vehicle configured with a thermal management system according to an embodiment of the present disclosure;
FIG. 2 is a flow chart illustrating a thermal management method according to an embodiment of the present disclosure;
FIG. 3 is a detailed configuration schematic diagram illustrating a thermal management system according to an embodiment of the present disclosure;
FIG. 4 is a flow chart further illustrating one example of a thermal management method according to an embodiment of the present disclosure;
FIG. 5 is a flow chart further illustrating another example of a thermal management method according to an embodiment of the present disclosure;
FIG. 6 is a hardware block diagram illustrating an electronic device according to an embodiment of the disclosure; and
fig. 7 is a schematic diagram illustrating a computer-readable storage medium according to an embodiment of the present disclosure.
Detailed Description
In order to make the objects, technical solutions and advantages of the present disclosure more apparent, exemplary embodiments according to the present disclosure will be described in detail with reference to the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present disclosure and not all of the embodiments of the present disclosure, and that the present disclosure is not limited by the example embodiments described herein.
First, a thermal management system according to an embodiment of the present disclosure is summarized with reference to fig. 1.
Fig. 1 is a functional block diagram illustrating a vehicle configured with a thermal management system according to an embodiment of the present disclosure. As shown in fig. 1, a thermal management system 20 according to an embodiment of the present disclosure is configured in a vehicle 10. In one embodiment of the present disclosure, the vehicle 10 may be, for example, a transportation device in a mine work area for transporting mining products out of the work area, such as an unmanned mine car. It is readily understood that the present disclosure is not limited thereto and that the vehicle 10 may be any other vehicle configured with the thermal management system 20.
As shown in fig. 1, the vehicle 10 configured with the thermal management system 20 has a plurality of vehicle component units 30 including, but not limited to, an engine unit 301, a passenger cabin unit 302, and a power battery unit 303. As will be described in further detail below with reference to the drawings, the plurality of vehicle component units 30 may also include a range extender unit, a turbocharger unit, a control and drive motor unit, and the like. That is, the vehicle to which the thermal management system 20 according to the embodiment of the present disclosure is applied may be a pure electric vehicle, an extended range vehicle, or a hybrid electric vehicle.
Further, as shown in fig. 1, the thermal management system 20 according to the embodiment of the present disclosure includes a status information acquisition unit 2001, an operation information acquisition unit 2002, a thermal management unit 2003, and a control unit 2004.
Specifically, the state information acquisition unit 2001 is used to acquire state information of at least one component unit of the vehicle 10. As will be described in detail below, the status information of the at least one component unit includes, but is not limited to, real-time temperature information of the engine unit 301, the passenger cabin unit 302, and the power battery unit 303.
The operation information acquisition unit 2002 is used to acquire operation information of the vehicle 10. As will be described in detail below, the operation information of the vehicle 10 includes, but is not limited to, operation state information of the vehicle 10, and position information and operation path information of the vehicle 10. The operating state information indicates that the vehicle 10 is in at least one of a pre-start, stop, pre-charge, and charge state.
The thermal management unit 2003 is used to perform thermal management including heating and cooling on at least one component unit. For example, the thermal management unit 2003 includes a cooling module and a heating module (not shown in fig. 1). As will be described in further detail below with reference to the drawings, the cooling module includes a plurality of heat dissipating units (not shown in fig. 1) for cooling a plurality of vehicle component units 30 at different operating temperature ranges. The cooling module further includes an electric compressor unit and a condenser unit (not shown in fig. 1), which are common to the plurality of heat dissipating units. The plurality of heat radiating units includes a high temperature radiator unit for the engine unit 301, a medium temperature radiator unit for the turbocharger unit, and a low temperature radiator unit for controlling and driving the motor unit. The heating module is used to heat the passenger compartment unit 302 and/or the power battery unit 303 using the heat of the engine unit 301. In addition, the heating module also includes an auxiliary heating unit (not shown in fig. 1) for providing heat to heat the passenger compartment unit 302 and/or the power battery unit 303 in the event that the engine unit 301 is not operating.
The control unit 2004 is for controlling the thermal management unit 2003 to perform thermal management based at least on the status information and the operation information.
Fig. 2 is a flowchart illustrating a thermal management method according to an embodiment of the present disclosure. As shown in fig. 2, the thermal management method according to an embodiment of the present disclosure includes the following steps.
In step S201, status information of at least one component unit of the vehicle is acquired. As described above, the at least one component unit of the vehicle 10 includes, for example, but is not limited to, the engine unit 301, the passenger compartment unit 302, and the power battery unit 303. The status information of the at least one component unit includes, but is not limited to, real-time temperature information of the engine unit 301, the passenger cabin unit 302, and the power battery unit 303.
In step S202, operation information of the vehicle is acquired. As described above, the operation information of the vehicle 10 includes, but is not limited to, the operation state information of the vehicle 10, and the position information and the operation path information of the vehicle 10. The operating state information indicates that the vehicle 10 is in at least one of a pre-start, stop, pre-charge, and charge state.
In step S203, thermal management including heating and cooling is performed on at least one component unit based on at least the status information and the operation information. The thermal management process performed under the various state information and operation information conditions will be described in further detail below with reference to the accompanying drawings.
By adopting the thermal management system and the thermal management method according to the embodiments of the present disclosure described above with reference to fig. 1 and 2, in controlling the thermal management of a vehicle including heating and cooling, not only according to static state information of a vehicle component unit, but also taking dynamic vehicle operation information into consideration, so that the thermal management control of the vehicle can be actively performed according to the operation dynamics of the vehicle, ensuring that the vehicle component unit can be maintained in a suitable operating temperature range both during current and subsequent operations, prolonging the service life of the vehicle component unit, and improving the reliability and safety of vehicle operation.
Fig. 3 is a detailed configuration diagram illustrating a thermal management system according to an embodiment of the present disclosure. As shown in fig. 3, the thermal management system 20 according to the embodiment of the present disclosure performs signal exchange with each component unit of the vehicle 10, and implements integrated thermal management control of each component unit of the vehicle. It is readily understood that one or more of the various component units in thermal management system 20 shown in FIG. 3 may constitute the various modules and component units described above with reference to FIG. 1.
Specifically, the vehicle 10 has a plurality of vehicle component units 30 in different operating temperature ranges, including, for example, an engine unit 301 (in an extended range vehicle, may be an extended range unit including an engine), a passenger compartment unit 302, a power battery unit 303, a turbocharger unit 304, and a control and drive motor unit 305. The control and drive motor unit 305 includes an integrated start-up and power generation integrated motor (ISG) unit 601, a main drive motor unit 602, a sub drive motor unit 603, an ISG controller unit 604, a steering controller unit 605, a sub drive controller unit 606, and a main drive controller unit 607.
Of the plurality of vehicle component units described above, the engine unit 301 is typically at the highest operating temperature, the control and drive motor unit 305 is at a relatively low operating temperature, and the turbocharger unit 304 is at an intermediate operating temperature. In an embodiment of the present disclosure, the cooling module configures a different plurality of heat dissipating units for a plurality of vehicle component units at different operating temperature ranges. Specifically, the plurality of heat radiating units includes a high temperature radiator unit 202 for the engine unit 301, a medium temperature radiator unit 203 for the turbocharger unit 304, and a low temperature radiator unit 204 for controlling and driving the motor unit. The high temperature radiator unit 202, the medium temperature radiator unit 203, and the low temperature radiator unit 204 correspond to a first adjustable speed radiator fan unit 205, a second adjustable speed radiator fan unit 206, and a third adjustable speed radiator fan unit 207, respectively.
Further, the high temperature radiator unit 202, the medium temperature radiator unit 203, and the low temperature radiator unit 204 share a condenser unit 208 and an electric compressor unit 209. The high-temperature radiator unit 202, the first adjustable speed radiator fan unit 205, the electric compressor unit 209 and the condenser unit 208 form a high-temperature radiator loop with the engine unit 301; the intermediate-temperature radiator unit 203, the second adjustable speed radiator fan unit 206, the electric compressor unit 209, and the condenser unit 208 form an intermediate-temperature radiator loop with the turbocharger unit 304; and the low temperature radiator unit 204, the third adjustable speed radiator fan unit 207, the electric compressor unit 209 and the condenser unit 208 form a low temperature radiator circuit with the control and drive motor unit 305.
More specifically, in the low-temperature heat dissipation circuit, three low-temperature heat dissipation sub-circuits are further included. The ISG unit 601, the first water filter unit 401, the first water pump unit 405 and the low-temperature radiator unit 204 form a first low-temperature radiator sub-circuit. The main driving motor unit 602, the auxiliary driving motor unit 603, the second water filtering unit 402, the second water pump unit 406 and the low-temperature radiator unit 204 form a second low-temperature radiator sub-circuit. The ISG controller unit 604, steering controller unit 605, auxiliary drive controller unit 606, main drive controller unit 607, and low temperature radiator unit 204 form a third low temperature radiator sub-circuit. The first water filtering unit 401, the second water filtering unit 402 and the third water filtering unit 403 are used for reducing the blockage of the water pump unit caused by impurities in the cooling liquid in the heat dissipation loop.
Further, temperature sensor units T4 and T5 are arranged at the inlet and outlet positions of the low temperature radiator unit 204, and further an internal temperature sensor unit (not shown) is arranged for the integrated start-up and power generation integrated motor (ISG) unit 601, the main drive motor unit 602, the auxiliary drive motor unit 603, the ISG controller unit 604, the steering controller unit 605, the auxiliary drive controller unit 606, and the main drive controller unit 607 in the low temperature radiator circuit, respectively. The thermal management system 20 adjusts the rotation speeds of the third speed-adjustable heat radiation fan unit 207 and the first, second and third water pump units 405, 406 and 407 according to the sensing results of the temperature sensor units T4 and T5 and the respective internal temperature sensor units, and controls the temperature of the coolant. The first water pump unit 405, the second water pump unit 406 and the third water pump unit 407 are adjustable speed water pumps which CAN be controlled by Pulse Width Modulation (PWM) or a Controller Area Network (CAN).
A high-temperature water pump unit 409 is further disposed in the high-temperature heat radiation circuit formed by the high-temperature radiator unit 202, the first speed-adjustable heat radiation fan unit 205, and the engine unit 301. A temperature sensor unit T1 is disposed at an inlet/outlet position of the high-temperature radiator unit 202, a temperature sensor unit Te is disposed at an outlet position of the engine unit 301, and an internal temperature sensor unit (not shown) is disposed for the engine unit 301. The thermal management system 20 adjusts the rotation speeds of the first speed-adjustable heat radiation fan unit 205 and the high-temperature water pump unit 409 according to the sensing results of the temperature sensor units T1 and Te and the temperature sensor unit inside the engine unit 301, and controls the engine unit 301 to operate in a suitable operating temperature range.
In the intermediate-temperature heat radiation circuit formed by the intermediate-temperature radiator unit 203, the second speed-adjustable heat radiation fan unit 206, and the turbocharger unit 304, a temperature sensor unit T3 is further disposed at an inlet/outlet position of the intermediate-temperature radiator unit 203, a temperature sensor unit T2 is disposed at an inlet position of the turbocharger unit 304, and an internal temperature sensor unit (not shown) is further disposed for the turbocharger unit 304. The thermal management system 20 adjusts the rotation speed of the second speed-adjustable radiator fan unit 206 according to the sensing results of the temperature sensor units T2 and T3 and the temperature sensor unit inside the turbocharger unit 304, and controls the turbocharger unit 304 to operate in a suitable operating temperature range.
In an embodiment of the present disclosure, a water-water heat exchanger unit 413 is provided for introducing hot water of the engine unit 301 for heating the passenger compartment unit 302 and/or the power battery unit 303. For the thermal management of the power battery unit 303, a first switching unit 414 is provided for switching the power battery unit 303 in a cooling circuit or a heating circuit. For thermal management of the passenger cabin unit 302, a second switching unit 418 is provided for switching the passenger cabin unit 302 between being in the heating circuit and not being in the heating circuit. In one embodiment of the present disclosure, the first switching unit 414 and the second switching unit 418 may be proportional three-way valves.
The first electronic expansion valve unit 415, the heat exchange plate unit 417, the fourth water pump unit 408, and the fourth water filter unit 404 are provided for the power battery unit 303. When the power battery unit 303 needs to be heated and the outlet water temperature of the engine unit 301 is within a proper range, the thermal management system 20 controls the first switching unit 414 to be switched to the 3-1 communication state, and the water-water heat exchanger unit 413, the fourth water pump unit 408, the fourth water filter unit 404 and the power battery unit 303 form a first heating circuit. The hot water output from the engine unit 301 and the low-temperature coolant of the power battery unit 303 exchange heat in the water-water heat exchanger unit 413, and the temperature of the coolant of the power battery unit 303 is heated to a proper interval, thereby heating the power battery unit 303. When the power battery unit 303 needs cooling, the thermal management system 20 controls the first switching unit 414 to be switched to the 3-2 communication state, and the heat exchange plate unit 417, the first electronic expansion valve unit 415, the electric compressor unit 209, the condenser unit 208 and the power battery unit 303 form a first cooling circuit. The low-temperature refrigerant provided by the electric compressor unit 209 is throttled by the first electronic expansion valve unit 415, so that heat exchange is further completed between the heat exchange plate unit 417 and the cooling liquid of the power battery unit 303, and cooling is performed on the power battery unit 303 for cooling the cooling liquid. Temperature sensor units T6 and T7 are provided at the inlet and outlet of the coolant pipe of the power battery unit 303, and an internal temperature sensor unit (not shown) is provided for the power battery unit 303. The thermal management system 20 controls heating and cooling of the power battery unit 303 according to the temperature sensor units T6 and T7 and the sensing result of the temperature sensor unit inside the power battery unit 303.
Further, a second electronic expansion valve unit 416, a heater core unit 410, an evaporator unit 411, and a blower unit 412 are provided for the passenger compartment unit 302. When the passenger compartment unit 302 needs heating and the outlet water temperature of the engine unit 301 is within a proper range, the thermal management system 20 controls the second switching unit 418 to switch to the 3-1 communication state, and introduces the high-temperature hot water of the engine unit 301 into the core warming unit 410, so that the cold air in the passenger compartment unit 302 and the high-temperature hot water of the engine unit 301 complete heat exchange in the core warming unit 410, and heating of the passenger compartment unit 302 is achieved. When the passenger compartment unit 302 does not require heating, the thermal management system 20 controls the second switching unit 418 to switch to the 3-2 communication state, bypassing the heater core unit 410, thereby preventing the air of the passenger compartment unit 302 from exchanging heat with the high-temperature hot water of the engine unit 301, and also reducing the flow resistance of the entire circuit. When the passenger compartment unit 302 needs to be cooled down, the electric compressor unit 209, the condenser unit 208, the second electronic expansion valve unit 416, the evaporator unit 411, the blower unit 412 and the passenger compartment unit 302 form a second cooling circuit. The low-temperature refrigerant provided by the electric compressor unit 209 is throttled by the second electronic expansion valve unit 416, so that heat exchange with the hot air of the passenger compartment unit 302 is further completed in the evaporator unit 411, and the passenger compartment unit 302 is cooled.
The thermal management system 20 according to an embodiment of the present disclosure is also configured with a heatable tank unit 308 and a corresponding heating switch valve unit 419. The thermal management system 20 introduces high-temperature hot water of the engine unit 301 to perform heating for the heatable tank unit 308 by turning on the heating switching valve unit 419 when the vehicle is in a cold running environment, so as to avoid low-temperature waxing of fuel. When the vehicle is not in a cold operating environment, the thermal management system 20 turns off the heating switch valve unit 419 and no heating of the heatable tank unit 308 is performed.
Further, the thermal management system 20 according to the embodiment of the present disclosure is configured with an auxiliary heating unit 309, and in the event that the engine unit 301 is not operating, the thermal management system 20 controls the auxiliary heating unit 309 to provide heat to heat the passenger compartment unit 302 and/or the power battery unit 303.
It is to be readily understood that each of the temperature sensor units in the thermal management system 20 shown in fig. 3 corresponds to the state information acquiring unit 2001 shown in fig. 1, the heating module and the cooling module formed of the plurality of component units shown in fig. 3 corresponds to the thermal management unit 2003 shown in fig. 1, and the operation information acquiring unit 2002 and the control unit 2004 shown in fig. 1 are not individually shown in fig. 3.
The thermal management system 20 according to the embodiments of the present disclosure may be adapted for use with a pure electric vehicle, an extended range vehicle, or a hybrid electric vehicle. By integrating the cooling of the passenger compartment unit 302 with the cooling of the power battery unit 303, the electric compressor unit 209 and the condenser unit 208 are shared, thereby eliminating the need to configure separate cooling systems. Coupling the excess heat of the engine unit 301 with the heating of the passenger compartment unit 302 and the heating of the power battery unit 303 through the warm core unit 410 and the water heat exchanger unit 413 eliminates the need for a separate electrical heating device for the heating of the passenger compartment unit 302 and the heating of the power battery unit 303. Independent temperature control for the high temperature radiator unit 202, the medium temperature radiator unit 203 and the low temperature radiator unit 204 is achieved by using independent adjustable speed radiator fan units 205 to 207. Flexible switching of the heating and cooling circuits of the passenger compartment unit 302 and the power battery unit 303 is achieved by the first switching unit 414 and the second switching unit 418. In addition, by configuring the heatable fuel tank unit 308, the heating switching valve unit 419, and the auxiliary heating unit 309, the environmental adaptability of the entire vehicle is improved.
Hereinafter, an example of a thermal management method according to an embodiment of the present disclosure will be described with further reference to fig. 4 and 5. Fig. 4 is a flowchart further illustrating one example of a thermal management method according to an embodiment of the present disclosure. Fig. 5 is a flowchart further illustrating another example of a thermal management method according to an embodiment of the present disclosure.
As shown in fig. 4, in step S401, real-time temperature information of a power battery and/or an engine unit of a vehicle is acquired. As described above with reference to fig. 3, the real-time temperature information of the power battery and/or the engine unit includes, for example, an in-out water temperature signal of the power battery thermal cycle circuit, a battery cell temperature signal, an in-out water temperature signal of the engine unit thermal cycle circuit, and an engine unit internal temperature signal.
In step S402, running state information of the vehicle is acquired. In an embodiment of the present disclosure, the operating state information indicates that the vehicle is in at least one of a pre-start, stop, pre-charge, and charge state.
In step S403, a respective predetermined operating temperature range is determined based at least on the operating state information. In an embodiment of the present disclosure, for the vehicle to be in a pre-start, stop, pre-charge, charge state, a corresponding predetermined operating temperature range is preset. The predetermined operating temperature range may also vary with the season and environment in which the vehicle is operating.
In step S404, thermal management is performed based on the real-time temperature information and the predetermined operating temperature range.
In one embodiment of the present disclosure, for example, when a remote instruction is received such that the running state information indicates that the vehicle is in a pre-start state, if the real-time temperature information indicates that the real-time temperature of the power battery unit of the vehicle is not in a predetermined operating temperature range in which the power battery unit is normally discharged, i.e., is lower than a minimum temperature threshold value in which the power battery unit is normally discharged or is higher than a maximum temperature threshold value in which the power battery unit is normally discharged, it is determined that thermal management of heating or cooling is performed on the power battery unit until the real-time temperature of the power battery unit is within the predetermined operating temperature range in which the power battery unit is normally discharged, so that the vehicle is formally in a start state.
In one embodiment of the present disclosure, for example, when a remote instruction is received or the automatic driving control unit detects that the power battery unit charge amount is lower than a predetermined threshold, the running state information indicates that the vehicle is in a pre-charge state, and if the real-time temperature information indicates that the real-time temperature of the power battery unit of the vehicle is not in a predetermined operating temperature range in which the power battery unit is normally charged, i.e., is lower than a minimum temperature threshold in which the power battery unit is normally charged or is higher than a maximum temperature threshold in which the power battery unit is normally charged, it is determined that thermal management of heating or cooling is performed for the power battery unit until the real-time temperature of the power battery unit is within the predetermined operating temperature range in which the power battery unit is normally charged, so that the vehicle is formally in the pre-charge or charge state.
In one embodiment of the present disclosure, for example, the running state information indicates that the vehicle is in a charged state, in order to ensure that the power battery unit completes charging at the maximum charging current, the charging time is shortened, the running efficiency is improved, and the power battery unit should complete charging at the maximum allowable charging current. As the charging proceeds, if the real-time temperature information indicates that the real-time temperature of the vehicle power battery unit is close to the maximum temperature threshold value of normal charging of the power battery unit, judging whether the real-time temperature of the future power battery unit exceeds the maximum temperature threshold value of normal charging according to the rising trend of the real-time temperature of the power battery unit, the charging duration and the charging current required in the future. If there is a likelihood of exceeding the maximum temperature threshold for normal charging, thermal management of cooling is determined to be performed on the power battery unit to ensure that the power battery unit should complete charging within a predetermined operating temperature range of maximum allowable charging current and normal charging.
As shown in fig. 5, in step S501, real-time temperature information of a power battery of a vehicle is acquired. As described above with reference to fig. 3, the real-time temperature information of the power battery includes, for example, an in-out water temperature signal and a battery cell temperature signal of the power battery thermal cycle.
In step S502, position information and travel path information of the vehicle are acquired. In one embodiment of the present disclosure, the operation state information includes position information and operation path information of the vehicle. The position information and the running path information indicate the running position where the vehicle is currently located and path information to be traveled in the future, such as level roads, climbing slopes, heavy loads, light loads, and the like.
In step S503, a temperature change interval of the power battery unit within a predetermined period of time is predicted based on at least the position information, the travel path information, and the real-time temperature information. In one embodiment of the present disclosure, by the indication of the position information and the travel path information, for example, the magnitude and time of the historical discharge current of the power battery unit at the position and the travel path, and the real-time temperature data and the temperature variation data of the battery cell of the power battery unit may be determined, and the temperature variation interval of the power battery unit in the future predetermined period of time may be predicted based on the current real-time temperature information.
In step S504, it is determined whether the temperature change section exceeds a predetermined operating temperature range. If a negative result is obtained in step S504, i.e., the temperature change interval does not exceed the predetermined operating temperature range, the flow returns to step S501 to continue monitoring whether the temperature change interval exceeds the predetermined operating temperature range and the position information and the travel path information of the vehicle.
If a positive result is obtained in step S504, that is, the temperature change section will exceed the predetermined operating temperature range, the flow advances to step S505. In step S505, thermal management is performed on the power battery cells. In one embodiment of the present disclosure, thermal management of cooling is performed on the power battery cells to ensure that the power battery cells will operate within a predetermined operating temperature range in the future.
In the thermal management method as shown in fig. 4 and 5, not only the static state information of the vehicle component unit but also the dynamic vehicle operation information are considered, so that the vehicle thermal management control can be actively performed according to the operation dynamics of the vehicle, and the vehicle component unit can be ensured to be kept in a proper operating temperature range in the current and subsequent operation processes.
Fig. 6 is a hardware block diagram illustrating an electronic device 600 according to an embodiment of the disclosure. An electronic device according to an embodiment of the present disclosure includes at least a processor; and a memory for storing computer readable instructions. When the computer readable instructions are loaded and executed by the processor, the processor performs the thermal management method for a vehicle as described above.
The electronic device 600 shown in fig. 6 specifically includes: a Central Processing Unit (CPU) 601, a Graphics Processing Unit (GPU) 602, and a main memory 603. These units are interconnected by a bus 604. A Central Processing Unit (CPU) 601 and/or a Graphics Processing Unit (GPU) 602 may be used as the above-described processor, and a main memory 603 may be used as the above-described memory storing computer-readable instructions. In addition, the electronic device 600 may further comprise a communication unit 605, a storage unit 606, an output unit 607, an input unit 608 and an external device 609, which are also connected to the bus 604.
Fig. 7 is a schematic diagram illustrating a computer-readable storage medium according to an embodiment of the present disclosure. As shown in fig. 7, a computer-readable storage medium 700 according to an embodiment of the present disclosure has computer-readable instructions 701 stored thereon. When the computer readable instructions 701 are executed by a processor, a thermal management method for a vehicle according to an embodiment of the present disclosure described with reference to the above figures is performed. The computer-readable storage medium includes, but is not limited to, for example, volatile memory and/or nonvolatile memory. The volatile memory may include, for example, random Access Memory (RAM) and/or cache memory (cache), and the like. The non-volatile memory may include, for example, read Only Memory (ROM), hard disk, flash memory, optical disk, magnetic disk, and the like.
In the above, the thermal management system, the thermal management method, the electronic device, and the vehicle according to the embodiments of the present disclosure are described with reference to the accompanying drawings, in the process of thermal management control of the vehicle including heating and cooling, not only according to the state information of the static vehicle component unit, but also taking into consideration the dynamic vehicle operation information at the same time, so that the thermal management control of the vehicle can be actively performed according to the operation dynamics of the vehicle, ensuring that the vehicle component unit can be maintained in a suitable operating temperature range both in the current and subsequent operation processes, prolonging the service life of the vehicle component unit, and improving the reliability and safety of the vehicle operation.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present disclosure.
The basic principles of the present disclosure have been described above in connection with specific embodiments, however, it should be noted that the advantages, benefits, effects, etc. mentioned in the present disclosure are merely examples and not limiting, and these advantages, benefits, effects, etc. are not to be considered as necessarily possessed by the various embodiments of the present disclosure. Furthermore, the specific details disclosed herein are for purposes of illustration and understanding only, and are not intended to be limiting, since the disclosure is not necessarily limited to practice with the specific details described.
The block diagrams of the devices, apparatuses, devices, systems referred to in this disclosure are merely illustrative examples and are not intended to require or imply that the connections, arrangements, configurations must be made in the manner shown in the block diagrams. As will be appreciated by one of skill in the art, the devices, apparatuses, devices, systems may be connected, arranged, configured in any manner. Words such as "including," "comprising," "having," and the like are words of openness and mean "including but not limited to," and are used interchangeably therewith. The terms "or" and "as used herein refer to and are used interchangeably with the term" and/or "unless the context clearly indicates otherwise. The term "such as" as used herein refers to, and is used interchangeably with, the phrase "such as, but not limited to.
In addition, as used herein, the use of "or" in the recitation of items beginning with "at least one" indicates a separate recitation, such that recitation of "at least one of A, B or C" for example means a or B or C, or AB or AC or BC, or ABC (i.e., a and B and C). Furthermore, the term "exemplary" does not mean that the described example is preferred or better than other examples.
It is also noted that in the systems and methods of the present disclosure, components or steps may be disassembled and/or assembled. Such decomposition and/or recombination should be considered equivalent to the present disclosure.
Various changes, substitutions, and alterations are possible to the techniques described herein without departing from the teachings of the techniques defined by the appended claims. Furthermore, the scope of the claims of the present disclosure is not limited to the particular aspects of the process, machine, manufacture, composition of matter, means, methods and acts described above. The processes, machines, manufacture, compositions of matter, means, methods, or acts, presently existing or later to be developed that perform substantially the same function or achieve substantially the same result as the corresponding aspects described herein may be utilized. Accordingly, the appended claims are intended to include within their scope such processes, machines, manufacture, compositions of matter, means, methods, or acts.
The previous description of the disclosed aspects is provided to enable any person skilled in the art to make or use the present disclosure. Various modifications to these aspects will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other aspects without departing from the scope of the disclosure. Thus, the present disclosure is not intended to be limited to the aspects shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
The foregoing description has been presented for purposes of illustration and description. Furthermore, this description is not intended to limit the embodiments of the disclosure to the form disclosed herein. Although a number of example aspects and embodiments have been discussed above, a person of ordinary skill in the art will recognize certain variations, modifications, alterations, additions, and subcombinations thereof.
Claims (11)
1. A thermal management system for a vehicle, comprising:
a state information acquisition unit configured to acquire state information of at least one component unit of the vehicle;
an operation information acquisition unit configured to acquire operation information of the vehicle;
a thermal management unit for performing thermal management including heating and cooling on the at least one component unit; and
and a control unit configured to control the thermal management unit to perform the thermal management based at least on the state information and the operation information.
2. The thermal management system of claim 1, wherein the at least one component unit comprises a power battery unit, the operating information comprises position information and operating path information of the vehicle, and the status information comprises real-time temperature information of the power battery unit.
3. The thermal management system according to claim 2, wherein the control unit predicts a temperature variation section of the power battery unit for a predetermined period of time based on at least the position information and the running path information of the vehicle and the real-time temperature information, and controls the thermal management unit to perform the thermal management based on the temperature variation section and a predetermined operating temperature range of the power battery unit.
4. The thermal management system of claim 2 or 3, wherein said at least one component unit further comprises an engine unit, said status information further comprises real-time temperature information of said engine unit, said operating information comprises operating status information of said vehicle,
the control unit controls the thermal management unit to perform the thermal management based on at least the running state information of the vehicle, the real-time temperature information of the engine unit, and the real-time temperature information of the power battery unit.
5. The thermal management system of claim 4, wherein the operating state information indicates that the vehicle is at least one of pre-started, stopped, pre-charged, and the control unit controls the thermal management unit to perform the thermal management based on at least the real-time temperature information of the engine unit and the real-time temperature information of the power battery unit, and a predetermined operating temperature range corresponding to the at least one of pre-started, stopped, pre-charged, and charged.
6. A method of thermal management for a vehicle, comprising:
acquiring state information of at least one component unit of the vehicle;
acquiring running information of the vehicle; and
based at least on the status information and the operational information, thermal management including heating and cooling is performed on the at least one component unit.
7. The thermal management method of claim 6, wherein the at least one component unit comprises a power battery unit, the operating information comprises position information and operating path information of the vehicle, and the status information comprises real-time temperature information of the power battery unit.
8. The thermal management method of claim 7, wherein performing thermal management including heating and cooling on the at least one component unit based at least on the status information and the operational information comprises:
a temperature variation section of the power battery unit within a predetermined period of time is predicted based on at least the position information and the running path information of the vehicle and the real-time temperature information, and the thermal management is performed based on the temperature variation section and a predetermined operating temperature range of the power battery unit.
9. The thermal management method of claim 7 or 8, wherein the at least one component unit further comprises an engine unit, the status information further comprises real-time temperature information of the engine unit, the operating information comprises operating status information of the vehicle, the operating status information indicates that the vehicle is at least one of pre-start, stop, pre-charge, and charge status, and performing thermal management including heating and cooling on the at least one component unit based at least on the status information and the operating information comprises:
the thermal management is performed based at least on the real-time temperature information of the engine unit and the real-time temperature information of the power battery unit, and a predetermined operating temperature range corresponding to at least one of the pre-start, stop, pre-charge, and state of charge.
10. An electronic device, comprising:
a memory for storing computer readable instructions; and
a processor for executing the computer readable instructions to cause the electronic device to perform the thermal management method of any of claims 6 to 9.
11. A vehicle comprising a thermal management system according to any one of claims 1 to 5.
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