CN111532104B - Vehicle heat exchange system, control method and device and vehicle - Google Patents

Vehicle heat exchange system, control method and device and vehicle Download PDF

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Publication number
CN111532104B
CN111532104B CN202010236499.1A CN202010236499A CN111532104B CN 111532104 B CN111532104 B CN 111532104B CN 202010236499 A CN202010236499 A CN 202010236499A CN 111532104 B CN111532104 B CN 111532104B
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China
Prior art keywords
heat exchange
circulation loop
temperature control
water pump
interface
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CN202010236499.1A
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Chinese (zh)
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CN111532104A (en
Inventor
周华彬
李木坚
徐元星
毛星杰
赵浩龙
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Wuhan Lotus Cars Co Ltd
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Wuhan Lotus Cars Co Ltd
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Priority to CN202211345573.9A priority Critical patent/CN115648902A/en
Priority to CN202010236499.1A priority patent/CN111532104B/en
Publication of CN111532104A publication Critical patent/CN111532104A/en
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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
    • B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
    • B60H1/2215—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters
    • 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
    • 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
    • H01M10/615—Heating or keeping warm
    • 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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Abstract

The invention relates to the technical field of vehicles, in particular to a vehicle heat exchange system, a control method, a device and a vehicle, wherein the vehicle heat exchange system comprises: the system comprises a first heat exchange subsystem, a second heat exchange subsystem and a three-way reversing valve, wherein the first heat exchange subsystem comprises a first circulation loop; the second heat exchange sub-system comprises a second circulation loop; the three-way reversing valve comprises a first interface, a second interface and a third interface, and the first interface and the second interface are connected into the first circulation loop; the first circulation loop is provided with a first conduction point, the second circulation loop is provided with a second conduction point and a third conduction point, the first conduction point is in conduction connection with the second conduction point, and the third conduction point is in conduction connection with the third interface. The two heat exchange subsystems are communicated by adopting the three-way reversing valve, and can independently run or simultaneously run, so that the system structure is simplified, the light design is realized, and the cost is reduced.

Description

Vehicle heat exchange system, control method and device and vehicle
Technical Field
The invention relates to the technical field of vehicles, in particular to a vehicle heat exchange system, a control method, a control device and a vehicle.
Background
The whole electric vehicle heat management system comprises a passenger compartment heating subsystem, a battery pack temperature control subsystem and the like. An electric heater is generally adopted to heat a passenger compartment to meet the comfort of an air conditioner, and meanwhile, a battery pack is heated at a low temperature to improve the cruising ability; and the air-conditioning refrigerant is adopted to carry out phase change cooling on the battery pack so as to meet the requirement of high-temperature control.
The solution of these two sets of subsystems is generally: the passenger cabin heating adopts the series arrangement of an electric heater, a passenger cabin warm air core body and a water pump, and the battery pack temperature control adopts the series arrangement of the electric heater, a cooler, the water pump and the battery pack. The two subsystems operate independently to meet the regulation and control requirements of different flow rates or water temperatures.
According to the configuration scheme, the two subsystems operate independently, and each subsystem needs to be provided with one electric heater, so that the whole vehicle is heavy, high in energy consumption and high in cost.
Disclosure of Invention
The invention aims to solve the technical problem that the conventional vehicle thermal management system has high energy consumption and cost.
In order to solve the technical problem, in a first aspect, an embodiment of the present application discloses a vehicle heat exchange system, including: a first heat exchange subsystem, a second heat exchange subsystem and a three-way reversing valve,
the first heat exchange sub-system comprises a first circulation loop;
the second heat exchange sub-system comprises a second circulation loop;
the three-way reversing valve comprises a first interface, a second interface and a third interface, and the first interface and the second interface are connected to the first circulation loop;
a first conduction point is arranged on the first circulation loop, a second conduction point and a third conduction point are arranged on the second circulation loop, the first conduction point is in conduction connection with the second conduction point, and the third conduction point is in conduction connection with the third interface;
and cooling liquid is arranged in the first circulating loop and the second circulating loop.
Further, the first circulation loop comprises a first water pump, a heater and a warm air blower, and the first water pump, the heater, the warm air blower and the three-way proportional reversing valve are sequentially connected in series through a first pipeline;
the second circulation loop comprises a second water pump, a cooler and a temperature control device to be controlled, and the second water pump, the cooler and the temperature control device to be controlled are sequentially connected in series through a second pipeline.
Furthermore, the first water pump, the heater, the fan heater, the second water pump and the temperature control device to be controlled are sequentially connected in series through a third pipeline to form a third circulation loop.
In a second aspect, the embodiment of the application discloses a heat exchange system control method, which is applied to a vehicle heat exchange system, wherein the vehicle heat exchange system comprises a first heat exchange subsystem, a second heat exchange subsystem and a three-way reversing valve, and the method comprises the following steps:
receiving a first instruction, wherein the first instruction comprises system identification information and temperature control information;
determining a target heat exchange subsystem needing temperature regulation and control according to the system identification information;
determining a temperature control mode of the target heat exchange subsystem according to the temperature control information;
and determining the devices needing to be started according to the temperature control mode.
Further, before the determining the device to be started according to the temperature control mode, the method further includes:
and determining a target circulation loop according to the temperature control mode.
Further, the determining a target circulation loop according to the temperature control mode includes:
and if the temperature control mode is the first heat exchange subsystem heating mode, determining that the target circulation loop is the first circulation loop.
Further, the determining a target circulation loop according to the temperature control mode further includes:
and if the temperature control mode is the second heat exchange subsystem heating mode, determining that the target circulation loop is a third circulation loop.
Further, the determining a target circulation loop according to the temperature control mode further includes:
and if the temperature control mode is the second heat exchange subsystem cooling mode, determining that the target circulation loop is the second circulation loop.
In a third aspect, an embodiment of the present application discloses a heat exchange system control device, including:
the system comprises a receiving module, a processing module and a processing module, wherein the receiving module is used for receiving a first instruction, and the first instruction comprises system identification information and temperature control information;
the identification module is used for determining a target heat exchange subsystem of which the temperature needs to be regulated and controlled according to the system identification information;
a mode determination module for determining a temperature control mode of the target heat exchange subsystem based on the temperature control information;
and the device start-stop module is used for determining the devices to be started according to the temperature control mode.
In a fourth aspect, the embodiment of the application discloses a vehicle, which comprises a vehicle heat exchange system and a heat exchange system control device,
the vehicle heat exchange system includes: the first heat exchange subsystem, the second heat exchange subsystem and the three-way reversing valve;
the first heat exchange sub-system comprises a first circulation loop;
the second heat exchange sub-system comprises a second circulation loop;
the three-way reversing valve comprises a first interface, a second interface and a third interface, and the first interface and the second interface are connected into the first circulation loop;
a first conduction point is arranged on the first circulation loop, a second conduction point and a third conduction point are arranged on the second circulation loop, the first conduction point is in conduction connection with the second conduction point, and the third conduction point is in conduction connection with the third interface;
cooling liquid is arranged in the first circulating loop and the second circulating loop;
the heat exchange system control apparatus includes:
the system comprises a receiving module, a processing module and a processing module, wherein the receiving module is used for receiving a first instruction, and the first instruction comprises system identification information and temperature control information;
the identification module is used for determining a target heat exchange subsystem needing temperature regulation and control according to the system identification information;
a mode determination module for determining a temperature control mode of the target heat exchange subsystem according to the temperature control information;
and the device starting and stopping module is used for determining the devices needing to be started according to the temperature control mode.
By adopting the technical scheme, the vehicle heat exchange system, the control method, the device and the vehicle have the following beneficial effects:
the embodiment of the application discloses vehicle heat exchange system, adopt the tee bend switching-over valve to communicate two heat exchange subsystems, be full of the coolant liquid in the whole heat exchange system, utilize the incompressible nature of liquid, two heat exchange subsystems can move alone or move simultaneously, simplify system architecture, lightweight design, reduce cost.
Drawings
In order to more clearly illustrate the technical solutions and advantages of the embodiments of the present application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic illustration of a vehicle heat exchange system provided by an embodiment of the present application;
FIG. 2 is a flow chart of a method for controlling a heat exchange system according to an embodiment of the present disclosure;
FIG. 3 is a schematic diagram of a heat exchange system control apparatus according to an embodiment of the present disclosure;
FIG. 4 is a schematic view of a vehicle structure provided by an embodiment of the present application;
the following is a supplementary description of the drawings:
101-a first heat exchange subsystem; 102-a second heat exchange subsystem; 103-a three-way reversing valve; 104-a heater; 105-a fan heater; 106-a first water pump; 107-a cooler; 108-a battery pack; 109-second water pump.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein. Moreover, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or server that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In an electric automobile, the thermal management technology can enable a power battery to be maintained in a proper temperature range, so that the capacity and the service life of the power battery are not greatly reduced. The application of the thermal management technique is as follows: in a low-temperature environment in winter, the energy efficiency of the heat pump can be improved, the electric energy can be saved, and a comfortable passenger compartment environment can be provided; when the battery is started at a low temperature, in order to avoid the large capacity attenuation caused by low-temperature discharge, the battery needs to be heated by a heat management technology; under the normal driving working condition, the battery generates heat to cause the temperature of the battery to be overhigh, the capacity and the service life of the battery are also influenced, and the temperature of the battery needs to be reduced. In addition, under low ambient conditions, heating of the passenger compartment and the battery is also required.
As shown in fig. 1, an embodiment of the present application provides a vehicle heat exchange system, including: a first heat exchange sub-system 101, a second heat exchange sub-system 102 and a three-way reversing valve 103, the first heat exchange sub-system 101 comprising a first circulation loop; the second heat exchange sub-system 102 includes a second circulation loop; the three-way reversing valve 103 comprises a first interface, a second interface and a third interface, and the first interface and the second interface are connected to the first circulation loop; the first circulation loop is provided with a first conduction point, the second circulation loop is provided with a second conduction point and a third conduction point, the first conduction point is in conduction connection with the second conduction point, and the third conduction point is in conduction connection with the third interface; the first circulation loop and the second circulation loop are internally provided with cooling liquid.
The embodiment of the application discloses vehicle heat exchange system, adopt tee bend switching-over valve 103 to communicate two heat exchange subsystems, be full of the coolant liquid in the whole heat exchange system, utilize the incompressible nature of liquid, two heat exchange subsystems can move alone or move simultaneously, simplify system architecture, lightweight design, reduce cost.
In the embodiment of the present application, as shown in fig. 1, the conducting points on the first heat exchange subsystem 101 and the second heat exchange subsystem 102 are communicated through a pipeline to form a parallel system, two interfaces of the three-way reversing valve 103 are connected to the first heat exchange subsystem 101, and the other interface is connected to the second heat exchange subsystem 102. The three-way reversing valve 103 is provided with a reversing switch which can control the three interfaces of the three-way reversing valve 103 to be fully opened, fully closed or communicated with any two interfaces. Optionally, the three-way reversing valve 103 is a three-way reversing proportional valve; optionally, the three-way reversing valve 103 is an electromagnetic three-way reversing valve 103, and the controller may directly control the opening degree of each interface of the three-way reversing valve 103. The pipeline of the whole system is filled with cooling liquid, optionally, the cooling liquid can be selected from liquid with larger specific heat such as water, alcohols, esters and the like, and can also be a mixture of the heat-conducting liquid.
As shown in fig. 1, the first circulation loop comprises a first water pump 106, a heater 104 and a warm air blower 105, wherein the first water pump 106, the heater 104, the warm air blower 105 and a three-way proportional reversing valve are sequentially connected in series through a first pipeline; the second circulation loop comprises a second water pump 109, a cooler 107 and a device to be controlled in temperature, and the second water pump 109, the cooler 107 and the device to be controlled in temperature are sequentially connected in series through a second pipeline.
In the embodiment of the present application, the first heat exchange subsystem 101 is a passenger compartment heating subsystem, and the first circulation loop is used for temperature regulation of the passenger compartment. When the first heat exchange subsystem 101 is used for heating, the first interface and the second interface of the three-way reversing valve 103 are communicated, and the third interface is closed, so that the whole first circulation loop is conducted. Then, the first water pump 106, the heater 104, and the heater fan 105 are turned on. The first water pump 106 is an electronic water pump, and is used for providing power for the circulating flow of the cooling liquid in the first circulation loop; the Heater 104 is used for heating the cooling liquid in the circulation circuit, and optionally, the Heater 104 is an HVH Heater 104 (HVH) or a PTC Heater 104 (PTC). The fan heater 105 is used to blow heat from the circulation system into the passenger compartment, and optionally the fan heater 105 is a core of warm air within the heating device. The second heat exchange subsystem 102 is a temperature control subsystem for the battery pack 108, and the second circulation loop is used for temperature regulation of the battery pack 108. When the second heat exchange sub-system 102 cools, the third port of the three-way reversing valve 103 is closed, the entire second circulation loop is made conductive, and then the cooler 107 is turned on. The second water pump 109 is an electronic water pump and is used for providing power for the circulating flow of the cooling liquid in the second circulation loop; the cooler 107 is used for cooling the cooling liquid in the circulation loop, the temperature control device is a battery pack 108, a cooling liquid path is arranged inside the battery pack 108, the cooling liquid takes away the heat of the battery pack 108, and the cooler 107 continuously cools the cooling liquid, so that the purpose of cooling the battery pack 108 is achieved. The power of the first water pump 106 and the second water pump 109 in the embodiment of the present application can be controllably adjusted by conventional technical means.
As shown in fig. 1, the first water pump 106, the heater 104, the warm air blower 105, the second water pump 109 and the temperature control device to be controlled are sequentially connected in series through a third pipeline to form a third circulation loop.
In the embodiment of the application, the first conduction point and the second conduction point are communicated through a pipeline, the third conduction point is communicated with a third interface of the three-way reversing valve 103 through a pipeline, and the first water pump 106, the heater 104, the fan heater 105, the three-way reversing valve 103, the second water pump 109 and the temperature control device to be controlled are communicated to form a third circulation loop. When the first heat exchange subsystem 101 and the second heat exchange subsystem 102 simultaneously perform heating, the first interface and the third interface of the three-way reversing valve 103 are communicated, the first water pump 106, the electric heater 104, the fan heater 105 and the second water pump 109 are simultaneously started, after the heater 104 heats the cooling liquid in the circulation loop, the cooling liquid flows along the third circulation loop under the power of the first water pump 106 and the second water pump 109 due to the incompressible property of the liquid, and therefore the heat is brought to each device needing heating. In some embodiments, the first port, the second port and the third port of the three-way reversing valve 103 are simultaneously in open communication, and the power of the first water pump 106 and the second water pump 109 is adjusted to enable the cooling liquid to flow through the first circulation loop, the second circulation loop and the third circulation loop. In the embodiment of the application, the flow of the cooling liquid in each circulation pipeline can be adjusted by controlling the power of the water pump and the opening degree of the three interfaces of the three-way reversing valve 103, so that the heat distribution is realized, and the purpose of temperature control is achieved.
The vehicle heat exchange system provided by the embodiment of the application fully excavates and utilizes the inherent characteristics of liquid, simplifies the system layout and realizes the light weight of the whole vehicle. And the two subsystems are regulated and controlled by adopting the three-way reversing proportional valve, so that the HVH utilization efficiency is further improved, the energy consumption of the whole vehicle is reduced, and the endurance mileage of the whole vehicle is improved. And the parts with lower cost are adopted, so that the cost is reduced, and the endurance reliability of the system is improved.
Based on the heat exchange system, the embodiment of the present application further provides a heat exchange system control method, and fig. 2 is a flow chart of the heat exchange system control method provided by the embodiment of the present application, and the present specification provides the method operation steps as described in the embodiment or the flow chart, but more or less operation steps can be included based on conventional or non-inventive labor. The order of steps recited in the embodiments is merely one manner of performing the steps in a multitude of orders and does not represent the only order of execution. In the actual implementation of a system or a client product, the execution may be in the order of the embodiments or methods shown in the figures, or in parallel, for example, in the context of parallel processors or multi-threaded processing. The embodiment of the application discloses a heat exchange system control method applied to a vehicle heat exchange system, wherein the vehicle heat exchange system comprises a first heat exchange subsystem 101, a second heat exchange subsystem 102 and a three-way reversing valve 103, and the method comprises the following steps:
s201: a first instruction is received, the first instruction including system identification information and temperature control information.
In the embodiment of the present application, when the vehicle needs the passenger compartment heating or adjusts the ambient temperature of the battery pack 108, the user realizes the adjustment of the heat exchange system through the controller. When an instruction for adjusting the heat exchange system is received, system identification information and temperature control information contained in the instruction are identified, the system identification information contains an identification of the heat exchange subsystem to be adjusted, and the temperature control information contains a temperature adjustment direction, such as heating or cooling, and a temperature control range of the heat exchange subsystem to be adjusted.
S203: and determining a target heat exchange subsystem needing temperature regulation and control according to the system identification information.
In the embodiment of the application, the target heat exchange subsystem of which the temperature needs to be regulated and controlled is determined to be the first heat exchange system, the second heat exchange system or the first heat exchange system and the second heat exchange system which need to be regulated and controlled simultaneously according to the system identification information.
S205: a temperature control mode of the target heat exchange subsystem is determined based on the temperature control information.
In the embodiment of the present application, the temperature control mode includes modes such as the first heat exchange subsystem 101 heating, the second heat exchange subsystem 102 cooling, the first heat exchange subsystem 101 and the second heat exchange subsystem 102 heating at the same time, and the first heat exchange subsystem 101 heating and the second heat exchange subsystem 102 cooling. After determining the temperature control mode of the target heat exchange subsystem, a target circulation loop may be determined based on the temperature control mode.
The determination of the target circulation loop according to the temperature control mode includes the following steps: if the temperature control mode is the first heat exchange subsystem 101 heating mode, then the target circulation loop is determined to be the first circulation loop. If the temperature control mode is the second heat exchange subsystem 102 cooling mode, then the target circulation loop is determined to be the second circulation loop. If the temperature control mode is the second heat exchange subsystem 102 heating mode, then the target circulation loop is determined to be the third circulation loop.
S107: and determining the devices needing to be started according to the temperature control mode.
In the embodiment of the present application, the first circulation loop is a passenger compartment heating circulation loop, the second circulation loop is a battery pack 108 cooling circulation loop, and the third circulation loop is a battery pack 108 heating loop. When the passenger compartment is independently heated, the third interface of the three-way reversing valve 103 is closed, the first interface and the second interface are communicated, the first water pump 106, the heater 104 and the heater 105 are started, and the cooling liquid circularly flows in the first circulation loop. The fan heater 105 brings heat in the circulation loop into the passenger compartment. When the battery pack 108 is cooled alone, the third interface of the three-way reversing valve 103 is closed, the second water pump 109 and the cooler 107 are started, the second interface can be closed and also can be communicated with the first interface, due to the incompressible property of liquid, cooling liquid in the system flows under the power of the second water pump 109, the cooling liquid circularly flows in the second circulating loop, and the heat of the battery pack 108 is taken away, so that the cooling of the battery pack 108 is realized, the requirement for rapidly heating the battery pack 108 is met, the battery performance is improved, and the cruising ability is improved. When the battery pack 108 is independently heated, the second interface of the three-way reversing valve 103 is closed, the first interface and the third interface are communicated, the second water pump 109 and the heater 104 are started, the first water pump 106 can be started or not, and the cooling liquid flows in the third circulation loop to bring heat to the battery pack 108. When the passenger compartment and the battery pack 108 are simultaneously heated, the first interface, the second interface and the third interface of the three-way reversing valve 103 are communicated, the first water pump 106, the electric heater 104, the fan heater 105 and the second water pump 109 are simultaneously started, after the heater 104 heats the cooling liquid in the circulation loop, the cooling liquid flows along the third circulation loop under the power of the first water pump 106 and the second water pump 109 due to the incompressible property of the liquid, and therefore the heat is brought to each device needing heating. The flow of the cooling liquid passing through each circulation pipeline is adjusted by controlling the power of the water pump and the opening degree of three interfaces of the three-way reversing valve 103, so that the heat distribution is realized, and the purpose of temperature control is achieved. When a passenger compartment is heated and a battery pack 108 is cooled, a third interface of the three-way reversing valve 103 is closed, the first interface and the second interface are communicated, a first water pump 106, a heater 104, a fan heater 105, a cooler 107 and a second water pump 109 are started, the operating power of the first water pump 106 and the operating power of the second water pump 109 are adjusted to be equal, a passenger compartment heating circulation loop is a first circulation loop, a battery pack 108 refrigerating circulation loop is a second circulation loop, due to the liquid incompressible principle, no liquid flows in due to no liquid flowing out in the passenger compartment heating circulation loop, and cooling liquid in the two circulation loops is taken away by respective circulation pressure at an interface, so that an invisible liquid dividing plane is formed at the communication position of the first circulation loop and the second circulation loop, the two circulation loops are ensured to operate independently, and the system integration function is achieved. In the above device, the heater unit 105 is turned on when the passenger compartment needs heating, and the cooler 107 is turned on when the battery pack 108 is cooled.
An embodiment of the present application further provides a heat exchange system control device, fig. 3 is a schematic structural diagram of the heat exchange system control device provided in this embodiment, and as shown in fig. 3, the heat exchange system control device includes:
a receiving module 301, configured to receive a first instruction, where the first instruction includes system identification information and temperature control information;
the identification module 303 is configured to determine, according to the system identification information, a target heat exchange subsystem whose temperature needs to be regulated;
a mode determination module 305 for determining a temperature control mode of the target heat exchange subsystem based on the temperature control information;
and a device start-stop module 307, configured to determine a device that needs to be started according to the temperature control mode.
The embodiment of the present application further provides a vehicle, fig. 4 is a schematic structural diagram of the vehicle provided in the embodiment, as shown in fig. 4, the vehicle includes a vehicle heat exchange system 401 and a heat exchange system control device 403,
the vehicle heat exchange system 401 includes:
a first heat exchange sub-system 101, a second heat exchange sub-system 102, and a three-way reversing valve 103;
the first heat exchange subsystem 101 includes a first circulation loop;
the second heat exchange subsystem 102 includes a second circulation loop;
the three-way reversing valve 103 comprises a first interface, a second interface and a third interface, and the first interface and the second interface are connected to the first circulation loop;
the first circulation loop is provided with a first conduction point, the second circulation loop is provided with a second conduction point and a third conduction point, the first conduction point is in conduction connection with the second conduction point, and the third conduction point is in conduction connection with the third interface;
cooling liquid is arranged in the first circulating loop and the second circulating loop;
the heat exchange system control device 403 includes:
a receiving module 301, configured to receive a first instruction, where the first instruction includes system identification information and temperature control information;
the identification module 303 is configured to determine, according to the system identification information, a target heat exchange subsystem whose temperature needs to be regulated;
a mode determination module 305 for determining a temperature control mode of the target heat exchange subsystem based on the temperature control information;
and a device start-stop module 307, configured to determine a device that needs to be started according to the temperature control mode.
It should be noted that: the sequence of the embodiments of the present application is only for description, and does not represent the advantages or disadvantages of the embodiments. And specific embodiments thereof have been described above. Other embodiments are within the scope of the following claims. In some cases, the actions or steps recited in the claims may be performed in a different order than in the embodiments and still achieve desirable results. In addition, the processes depicted in the accompanying figures do not necessarily require the particular order shown, or sequential order, to achieve desirable results. In some embodiments, multitasking and parallel processing may also be possible or may be advantageous.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the apparatus embodiment, since it is substantially similar to the method embodiment, the description is relatively simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware, where the program may be stored in a computer-readable storage medium, and the storage medium may be a read-only memory, a magnetic disk or an optical disk.
The above description is only a preferred embodiment of the present application and should not be taken as limiting the present application, and any modifications, equivalents, improvements and the like that are made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (7)

1. A vehicle heat exchange system, comprising: a first heat exchange subsystem (101), a second heat exchange subsystem (102) and a three-way proportional reversing valve (103),
the first heat exchange subsystem (101) comprises a first circulation loop, the first circulation loop comprises a first water pump (106), a heater (104) and a warm air blower (105), and the first water pump (106), the heater (104), the warm air blower (105) and the three-way proportional reversing valve are sequentially connected in series through a first pipeline;
the second heat exchange subsystem (102) comprises a second circulation loop, the second circulation loop comprises a second water pump (109), a cooler (107) and a device to be controlled in temperature, and the second water pump (109), the cooler (107) and the device to be controlled in temperature are sequentially connected in series through a second pipeline;
the first water pump (106), the heater (104), the fan heater (105), the second water pump (109) and the temperature control device to be controlled are sequentially connected in series through a third pipeline to form a third circulation loop;
the three-way proportional reversing valve (103) comprises a first interface, a second interface and a third interface, and the first interface and the second interface are connected into the first circulation loop;
a first conduction point is arranged on the first circulation loop, a second conduction point and a third conduction point are arranged on the second circulation loop, the first conduction point is in conduction connection with the second conduction point, and the third conduction point is in conduction connection with the third interface;
and cooling liquid is arranged in the first circulation loop and the second circulation loop.
2. A heat exchange system control method, applied to a vehicle heat exchange system as claimed in claim 1, the vehicle heat exchange system comprising a first heat exchange sub-system (101), a second heat exchange sub-system (102) and a three-way proportional reversing valve (103), the method comprising:
receiving a first instruction, wherein the first instruction comprises system identification information and temperature control information;
determining a target heat exchange subsystem of which the temperature needs to be regulated and controlled according to the system identification information, wherein the target heat exchange subsystem is a first heat exchange subsystem and/or a second heat exchange subsystem;
the first heat exchange subsystem (101) comprises a first circulation loop, the first circulation loop comprises a first water pump (106), a heater (104) and a warm air blower (105), and the first water pump (106), the heater (104), the warm air blower (105) and the three-way proportional reversing valve are sequentially connected in series through a first pipeline; the second heat exchange subsystem (102) comprises a second circulation loop, the second circulation loop comprises a second water pump (109), a cooler (107) and a device to be controlled in temperature, and the second water pump (109), the cooler (107) and the device to be controlled in temperature are sequentially connected in series through a second pipeline;
determining a temperature control mode of the target heat exchange subsystem according to the temperature control information;
determining a device to be activated based on the temperature control mode, the device to be activated comprising a device in the target heat exchange subsystem, and the three-way proportional directional valve.
3. The control method according to claim 2, wherein before determining the device that needs to be activated according to the temperature control mode, further comprising:
and determining a target circulation loop according to the temperature control mode.
4. The control method according to claim 3, wherein the determining a target circulation loop according to the temperature control mode includes:
and if the temperature control mode is the first heat exchange subsystem (101) heating mode, determining that the target circulation loop is the first circulation loop.
5. The control method according to claim 3, wherein the determining a target circulation loop according to the temperature control mode further includes:
and if the temperature control mode is a heating mode of the second heat exchange subsystem (102), determining that the target circulation loop is a third circulation loop.
6. The control method according to claim 3, wherein the determining a target circulation loop according to the temperature control mode further comprises:
if the temperature control mode is a second heat exchange subsystem (102) cooling mode, determining the target circulation loop to be a second circulation loop.
7. A vehicle characterized by comprising the vehicular heat exchange system (401) according to claim 1, and a heat exchange system control device (403),
the vehicle heat exchange system includes: a first heat exchange subsystem (101), a second heat exchange subsystem (102) and a three-way proportional reversing valve (103);
the first heat exchange subsystem (101) comprises a first circulation loop, the first circulation loop comprises a first water pump (106), a heater (104) and a heater unit (105), and the first water pump (106), the heater (104), the heater unit (105) and the three-way proportional reversing valve are sequentially connected in series through a first pipeline;
the second heat exchange subsystem (102) comprises a second circulation loop, the second circulation loop comprises a second water pump (109), a cooler (107) and a device to be controlled in temperature, and the second water pump (109), the cooler (107) and the device to be controlled in temperature are sequentially connected in series through a second pipeline;
the first water pump (106), the heater (104), the fan heater (105), the second water pump (109) and the temperature control device to be controlled are sequentially connected in series through a third pipeline to form a third circulation loop;
the three-way proportional reversing valve (103) comprises a first interface, a second interface and a third interface, and the first interface and the second interface are connected to the first circulation loop;
a first conduction point is arranged on the first circulation loop, a second conduction point and a third conduction point are arranged on the second circulation loop, the first conduction point is in conduction connection with the second conduction point, and the third conduction point is in conduction connection with the third interface;
cooling liquid is arranged in the first circulation loop and the second circulation loop;
the heat exchange system control apparatus includes:
a receiving module (301) for receiving a first instruction, the first instruction comprising system identification information and temperature control information;
the identification module (303) is used for determining a target heat exchange subsystem of which the temperature needs to be regulated and controlled according to the system identification information, and the target heat exchange subsystem is a first heat exchange subsystem and/or a second heat exchange subsystem;
a mode determination module (305) for determining a temperature control mode of the target heat exchange subsystem from the temperature control information;
and the device start-stop module (307) is used for determining a device needing to be started according to the temperature control mode, wherein the device needing to be started comprises a device in the target heat exchange subsystem and the three-way proportional reversing valve.
CN202010236499.1A 2020-03-30 2020-03-30 Vehicle heat exchange system, control method and device and vehicle Active CN111532104B (en)

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