CN109974318B - Thermal management system - Google Patents
Thermal management system Download PDFInfo
- Publication number
- CN109974318B CN109974318B CN201711442536.9A CN201711442536A CN109974318B CN 109974318 B CN109974318 B CN 109974318B CN 201711442536 A CN201711442536 A CN 201711442536A CN 109974318 B CN109974318 B CN 109974318B
- Authority
- CN
- China
- Prior art keywords
- port
- heat exchanger
- pump
- communication
- communicated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004891 communication Methods 0.000 claims abstract description 183
- 239000003507 refrigerant Substances 0.000 claims abstract description 77
- 239000000110 cooling liquid Substances 0.000 claims abstract description 49
- 239000002826 coolant Substances 0.000 claims description 43
- 238000004378 air conditioning Methods 0.000 claims description 20
- 230000001105 regulatory effect Effects 0.000 claims description 10
- 230000001351 cycling effect Effects 0.000 claims 9
- 239000003570 air Substances 0.000 description 57
- 239000007788 liquid Substances 0.000 description 17
- 238000010438 heat treatment Methods 0.000 description 9
- 238000001816 cooling Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000005057 refrigeration Methods 0.000 description 6
- 239000012080 ambient air Substances 0.000 description 5
- 239000012809 cooling fluid Substances 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 3
- 238000007791 dehumidification Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Images
Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
-
- 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
- H01M10/613—Cooling or keeping cold
-
- 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
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
-
- 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
-
- 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
-
- 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
- B60H2001/00307—Component temperature regulation using a liquid flow
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses a heat management system, which comprises a refrigerant system and a cooling liquid system, wherein in the circulation mode of the heat management system, a second heat exchanger of the cooling liquid system and a first heat exchanger of the cooling liquid system can be communicated through a communication pipeline.
Description
Technical Field
The invention relates to the technical field of thermal management systems.
Background
In the case of thermal management systems, batteries, etc. that generate heat during operation, other devices require heat to operate within normal temperature ranges, or passenger compartments require heat to maintain a corresponding comfort temperature, and therefore, there is a need for improvements in the art to facilitate the efficient use of the energy of the thermal management system.
Disclosure of Invention
The invention aims to provide a thermal management system which is beneficial to reasonable utilization of energy of the thermal management system.
A thermal management system comprising a refrigerant system and a coolant system, the refrigerant of the refrigerant system being isolated from and not in communication with the coolant of the coolant system; the heat management system comprises a pump, a first heat exchanger, a second heat exchanger, a third heat exchanger, a refrigerant system and a heat exchange system, wherein the coolant system comprises a pump, the first heat exchanger and the second heat exchanger, the heat management system further comprises the third heat exchanger, the third heat exchanger comprises a first flow passage and a second flow passage, the refrigerant system comprises a first flow passage and a compressor of the third heat exchanger, the coolant system comprises a second flow passage of the third heat exchanger, and when the heat management system works, the coolant system and the refrigerant system can exchange heat at the third heat exchanger; when the heat management system works, the second flow passage, the pump and the first heat exchanger can be communicated in series; or the second flow passage, the pump and the second heat exchanger can be communicated in series; or the second flow channel, the pump and the first heat exchanger are communicated in series, and the second flow channel, the pump and the second heat exchanger are communicated in series;
the cooling liquid system further comprises a communication pipeline, a first port of the communication pipeline can be communicated with a second port of the second heat exchanger or a second port of the first heat exchanger, and the second port of the communication pipeline is communicated with a second port of the pump; the thermal management system includes a circulation mode in which the first heat exchanger, the communication line, the pump, and the second heat exchanger are capable of serial communication.
According to the invention, the communication pipeline is arranged in the cooling liquid system, so that the cooling liquid in the first heat exchanger can flow into the second heat exchanger through the communication pipeline, or the cooling liquid in the second heat exchanger can flow into the first heat exchanger, thereby realizing the circulation of the cooling liquid in the second heat exchanger and the first heat exchanger, further realizing the heat transfer between the first heat exchanger and the second heat exchanger, and being beneficial to the reasonable utilization of the energy of the heat management system.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in 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 invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a first embodiment of a thermal management system according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a second embodiment of a thermal management system according to an embodiment of the present disclosure;
FIG. 3 is a schematic structural diagram of a thermal management system according to a third embodiment of the disclosure;
FIG. 4 is a schematic structural diagram of a fourth embodiment of a thermal management system according to the disclosure;
FIG. 5 is a schematic diagram of a thermal management system in a first cycle mode according to an embodiment of the present disclosure;
fig. 6 is a schematic diagram of a thermal management system in a second cycle mode according to an embodiment of the disclosure.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.
The thermal management system in the technical scheme of the invention can be applied to various modes, some of which can be applied to a vehicle thermal management system and can also be applied to other thermal management systems such as a household thermal management system or a commercial thermal management system, and a specific vehicle thermal management system is taken as an example and is described with reference to the attached drawings.
Referring to fig. 1-6, the thermal management system includes a coolant system, the coolant system includes a first heat exchanger 201, a second heat exchanger 202, and a pump 205, wherein the pump, the first heat exchanger, and the second heat exchanger each include a first port and a second port, the second port of the first heat exchanger can be communicated with the first port of the pump, the second port of the second heat exchanger can be communicated with the first port of the pump, the first port of the first heat exchanger can be communicated with the second port of the pump, and the first port of the second heat exchanger can be communicated with the second port of the pump. The thermal management system further comprises a refrigerant system, wherein the refrigerant of the refrigerant system is isolated from the cooling liquid of the cooling liquid system and does not circulate, the thermal management system comprises a third heat exchanger 203, the third heat exchanger comprises a first flow passage and a second flow passage, the first flow passage is a refrigerant circulation passage, the second flow passage is a cooling liquid circulation passage, and the first flow passage and the second flow passage are isolated from each other and do not communicate. When the heat management system works, the refrigerant flowing through the first flow passage and the cooling liquid flowing through the second flow passage can exchange heat. Likewise, the second flow passage includes a first port and a second port, wherein the first port of the second flow passage is communicable with the first port of the first heat exchanger, the first port of the second flow passage is communicable with the first port of the second heat exchanger, and the second port of the second flow passage is communicable with the second port of the pump. Specifically, a first port of the first heat exchanger and a first port of the second heat exchanger are both communicated with a first port of the second flow channel, a second port of the second flow channel is communicated with a second port of the pump, and the first port of the pump is respectively communicated with the second port of the first heat exchanger and the second port of the second heat exchanger. As can be seen from the above description, the coolant system includes the pump 205, the first heat exchanger 201, the second heat exchanger 202, and the second flow channel of the third heat exchanger 203, when the thermal management system is in operation, the coolant of the coolant system is driven by the pump, and the second flow channel, the pump, and the first heat exchanger can be in serial communication; or the second flow passage, the pump and the second heat exchanger can be communicated in series; or the second flow channel and the pump are communicated with the first heat exchanger in series, and the second flow channel and the pump are communicated with the second heat exchanger in series. Or after the heat exchange between the coolant and the refrigerant in the second flow channel is carried out in the third heat exchanger, the coolant in the second flow channel can flow into the first heat exchanger and/or the second heat exchanger from the second flow channel of the third heat exchanger, and correspondingly, the coolant in the first heat exchanger and/or the coolant in the second heat exchanger flows back to the second flow channel of the third heat exchanger to change the heat quantity of the coolant in the first heat exchanger and/or the heat quantity of the coolant in the second heat exchanger. The serial communication here means that a circulation loop is formed, and for example, that "the second flow passage, the pump and the first heat exchanger can be in serial communication" means that the cooling liquid in the second flow passage flows into the first heat exchanger under the driving of the pump, and the cooling liquid in the first heat exchanger can flow back to the second flow passage. The second heat exchanger 202 may be a thermostat of a device such as a battery, and is used for exchanging heat with the device such as the battery to heat or cool the device such as the battery, or the second heat exchanger may absorb heat released by the device such as the battery or release heat to the device such as the battery. Similarly, the first heat exchanger may be a thermostat of the motor or the electronic device, and is used for exchanging heat with the motor or the electronic device to heat or cool the motor or the electronic device, and the first heat exchanger may also be disposed in the air conditioning box to exchange heat with the airflow in the air conditioning box to regulate the temperature of the passenger compartment. As a result of the driving of the pump 205, the second heat exchanger, the first heat exchanger and the second flow channel all have an outlet and an inlet for the cooling fluid, or the outlet and the inlet for the cooling fluid of the second heat exchanger, the first heat exchanger and the heating device are associated with the pump, and if the flow direction of the cooling fluid driven by the pump changes, the outlet and the inlet for the cooling fluid of the second heat exchanger, the first heat exchanger and the heating device also change accordingly.
To facilitate the control of the cooling liquid by the thermal management system, the cooling liquid system further includes a first valve assembly 204, the first valve assembly includes a first port, a second port and a third port, the first valve assembly can open or close or adjust a communication channel of the third port of the first valve assembly and the second port of the first valve assembly and/or a communication channel of the third port of the first valve assembly and the first port of the first valve assembly, wherein the first port of the first valve assembly is communicated with the second port of the first heat exchanger, the second port of the first valve assembly is communicated with the second port of the second heat exchanger, the third port of the first valve assembly is communicated with the first port of the pump, and the thermal management system can control the flow of the cooling liquid of the second flow passage to the second heat exchanger and/or the first heat exchanger through the first valve assembly. Specifically, the first valve assembly includes a first valve element 2041 and a second valve element 2042, a first port of the first valve element communicates with a third port of the first valve assembly, a first port of the second valve element communicates with the third port of the first valve assembly, a second port of the first valve element communicates with the first port of the first valve assembly, and a second port of the second valve element communicates with the second port of the first valve assembly. Wherein the first valve member and the second valve member may be a stop valve or a proportional regulating valve. The first valve assembly may also be a three-way switching valve or a three-way proportional valve, and three ports of the three-way valve or the three-way proportional valve correspond to the first port, the second port and the third port of the first valve assembly, respectively, and will not be described in detail.
The cooling liquid system further comprises a communication pipeline 21, the communication pipeline 21 comprises a first port and a second port, the first port of the communication pipeline 21 is communicated with the second port of the first heat exchanger, and the second port of the communication pipeline is communicated with the second port of the pump. The second port of the first heat exchanger 201 can be communicated with the second port of the second heat exchanger 202 through the communication pipeline 21 and the pump 205, or the second port of the second heat exchanger 202 can be communicated with the second port of the first heat exchanger 201 through the pump 205 and the communication pipeline 21. The coolant system can realize the exchange of the coolant of the second heat exchanger and the coolant of the first heat exchanger through the communicating pipeline, that is to say, the coolant of the second heat exchanger can flow into the first heat exchanger through the communicating pipeline, or the coolant of the first heat exchanger can flow into the second heat exchanger through the communicating pipeline, finally realize the heat exchange of the coolant of the first heat exchanger and the coolant of the second heat exchanger, and the reasonable utilization of the energy of the heat management system is facilitated. It will be appreciated that this may also be achieved in that the first port of the communication line may also be in communication with the second port of the second heat exchanger, the second port of the communication line being in communication with the second port of the pump.
The cooling liquid system is also provided with a first control valve 22, and the cooling liquid system can control whether the second heat exchanger can be communicated with the first heat exchanger through the communication pipeline or not through the first control valve 22. Specifically, the first control valve 22 includes a first port and a second port, the first control valve can open or close or regulate communication passages of the first port and the second port of the first control valve, the first port of the first control valve 22 is communicated with the first port of the communication pipeline 21, and the second port of the first control valve is communicated with the second port of the first heat exchanger; or the first port of the first control valve is communicated with the second port of the communication pipeline, and the second port of the first control valve is communicated with the second port of the pump. It will be appreciated that when the first port of the first control valve is in communication with the first port of the communication conduit, the second port of the first control valve may also be in communication with the second port of the second heat exchanger. The first control valve may be a stop valve or a flow regulating valve. In another embodiment, the first control valve further comprises a third port, the first control valve is capable of opening or closing or adjusting a communication passage of the third port of the first control valve with the second port of the first control valve and/or a communication passage of the third port of the first control valve with the first port of the first control valve, specifically, the third port of the first control valve is communicated with the second port of the pump, the first port of the first control valve is communicated with the second port of the communication pipeline, the second port of the first control valve is communicated with the second port of the second flow channel, and the coolant system is capable of controlling the coolant of the second flow channel and/or the coolant of the second heat exchanger to flow into the pump through the first control valve. Specifically, the first control valve may include a third valve element 221 and a fourth valve element 222, a first port of the third valve element being communicated with a third port of the first control valve, a first port of the fourth valve element being communicated with a third port of the first control valve, a second port of the third valve element being communicated with a second port of the communication line, and a second port of the fourth valve element being communicated with a second port of the second flow passage. The third valve element 221 and the fourth valve element 222 may be a stop valve or a proportional control valve. The first control valve may also be a three-way switching valve or a three-way proportional valve, and three ports of the three-way valve or the three-way proportional valve respectively correspond to the first port, the second port and the third port of the first control valve. The cooling liquid system can adjust the flow of the cooling liquid of the communication pipeline through the first control valve, and further control of the thermal management system is facilitated, wherein the adjustment comprises on-off and flow adjustment. Additionally, in other embodiments, the communication line includes a first section including the first port and the third port and a second section including the second port and the fourth port, the first port of the first control valve being in communication with the third port of the first section and the second port of the first control valve being in communication with the fourth port of the second section. In the technical scheme of the invention, the communication comprises direct communication or indirect communication, for example, the direct communication can be through pipeline communication, the corresponding device can also be an integrated piece, the corresponding channel is arranged in the integrated piece, and the indirect communication comprises at least one device arranged between two devices which are communicated.
Referring to fig. 1, the refrigerant system includes a compressor 4, a first flow channel of a third heat exchanger 203, a fourth heat exchanger 1, and a throttling element 3, where an outlet of the compressor 4 is communicated with a first port of the first flow channel of the third heat exchanger 203, a second port of the first flow channel is communicated with a first port of the throttling element, a second port of the throttling element is communicated with a first port of the fourth heat exchanger, and a second port of the fourth heat exchanger is communicated with an inlet of the compressor. It can be known that the refrigerant of the refrigerant system exchanges heat with the cooling liquid of the cooling liquid system at the third heat exchanger, the high-temperature and high-pressure gaseous refrigerant releases heat to the cooling at the third heat exchanger, the cooling liquid can selectively enter the first heat exchanger and/or the second heat exchanger after absorbing the heat at the third heat exchanger, and the heat management system further manages the heat of the corresponding equipment through the first heat exchanger and the second heat exchanger.
Referring to fig. 2, the refrigerant system includes a compressor 4, a first flow path of the third heat exchanger 203, a fourth heat exchanger 1, and a first flow control device, where the first flow control device includes a first throttling device 303, the first flow control device can throttle the refrigerant flowing out of the fourth heat exchanger, where the first flow control device includes a first connection port and a second connection port, an outlet of the compressor is communicated with a first port of the fourth heat exchanger, a second port of the fourth heat exchanger is communicated with the first connection port of the first flow control device, the second connection port of the first flow control device is communicated with a second port of the first flow path, and the first port of the first flow path is communicated with an inlet of the compressor. It can be known that, the refrigerant of the refrigerant system exchanges heat with the cooling liquid of the cooling liquid system in the third heat exchanger, the high-temperature and high-pressure gaseous refrigerant releases heat in the fourth heat exchanger 1 and becomes high-pressure liquid refrigerant, the high-pressure liquid refrigerant is throttled and depressurized by the first flow control device, the low-pressure liquid refrigerant absorbs the heat of the cooling liquid in the first flow channel, the cooled cooling liquid can selectively enter the first heat exchanger and/or the second heat exchanger, and the heat management system further manages the heat of the corresponding equipment through the first heat exchanger and the second heat exchanger.
Referring to fig. 3, the refrigerant system further includes a fifth heat exchanger 301, wherein the first flow control device 33 includes a first connection port, a second connection port, and a third connection port, the second port of the first flow channel of the third heat exchanger is communicated with the second connection port, the second port of the fifth heat exchanger 301 is communicated with the third connection port, the first connection port is communicated with the second port of the fourth heat exchanger 1, the second port of the fourth heat exchanger 1 can be communicated with the second port of the fifth heat exchanger and/or the second port of the first flow channel of the third heat exchanger through the first flow control device 33, the second port of the fifth heat exchanger is communicated with the inlet of the compressor, and the first port of the first flow channel of the third heat exchanger is communicated with the inlet of the compressor. Specifically, the first flow control device includes a first throttling device 303 and a second throttling device 302, a port of the first throttling device 303 and a port of the second throttling device 302 are both communicated with the first connection port, another port of the second throttling device is communicated with the third connection port, another port of the first throttling device is communicated with the second connection port, refrigerant flows into the first flow control device from the first connection port, a part of refrigerant flows into the second port of the first flow passage of the third heat exchanger from the second connection port after being throttled by the first throttling device, and another part of refrigerant flows into the second port of the fifth heat exchanger from the third connection port after being throttled by the second throttling device. In other technical solutions of the present invention, the first flow control device may also include a first throttling device, a first valve unit and a second valve unit, the first valve unit and the second valve unit each include a first port and a second port, one port of the first throttling device communicates with the first connecting port, the other port of the first throttling device communicates with the first port of the first valve unit and the first port of the second valve unit, respectively, the second port of the second valve unit communicates with the third connecting port, and the second port of the first valve unit communicates with the first connecting port; or the first valve unit and the second valve unit may be replaced by a third valve unit, the third valve unit includes a first interface, a second interface and a third interface, the third valve unit can open or close or adjust a communication channel between the first interface of the third valve unit and the third interface of the third valve unit and/or a communication channel between the first interface of the third valve unit and the second interface of the third valve unit, specifically, one port of the first throttling device is communicated with the first interface, the other port of the first throttling device is communicated with the first interface of the third valve unit, the third interface of the third valve unit is communicated with the third interface, and the second interface of the third valve unit is communicated with the second interface. The first valve unit and the second valve unit can be stop valves or flow regulating valves, the third valve unit can be a three-way flow regulating valve or a three-way switching valve, and the first flow control device is provided with the stop valves or the flow regulating valves or the three-way switching valves or the three-way flow regulating valves, so that the control of the thermal management system is facilitated.
Referring to fig. 4, the thermal management system further includes a sixth heat exchanger 6 and a second flow control device 5, wherein the second flow control device 5 is capable of selecting whether to throttle the refrigerant flowing out of the fourth heat exchanger. The second flow control device 5 comprises a first communicating port and a second communicating port, the first port of the fourth heat exchanger 1 is communicated with the outlet of the compressor 4, the second port of the fourth heat exchanger 1 is communicated with the second communicating port of the second flow control device 5, the first communicating port is communicated with the first port of the sixth heat exchanger 6, the second port of the sixth heat exchanger 6 is communicated with the inlet of the compressor through a stop valve 7 or a flow regulating valve, and the second port of the sixth heat exchanger 6 is communicated with the first port of the first flow control device. The second flow control device 5 includes a third throttling device 502 and a fourth valve unit 501, the third throttling device 502 and the fourth valve unit 501 are arranged in parallel, specifically, the third throttling device and the fourth valve unit include two ports, one port of the third throttling device and the first port of the fourth valve unit are communicated with the first communication port, the other port of the third throttling device and the second port of the fourth valve unit are communicated with the second communication port, and the fourth valve unit can be a stop valve or a flow regulating valve; or the fourth valve unit comprises three ports, a first port of the fourth valve unit is communicated with the first communication port, a second port of the fourth valve unit is communicated with one port of the third throttling device, a third port of the fourth valve unit and the other port of the third throttling device are communicated with the second communication port, and the fourth valve unit can be a three-way switching valve or a three-way flow regulating valve. It can be seen that when the second flow control device is throttled, the sixth heat exchanger acts as an evaporator, refrigerant flows from the sixth heat exchanger to the inlet of the compressor, and when the second flow control device is only switched on, the sixth heat exchanger acts as a condenser.
The refrigerant may be liquid or gas-liquid two-phase when working, the heat management system may be provided with a gas-liquid separator (not shown), the gas-liquid two-phase refrigerant is separated by the gas-liquid separator, the liquid refrigerant is stored in the gas-liquid separator, and the low-temperature and low-pressure refrigerant enters the compressor and is compressed into high-temperature and high-pressure refrigerant by the compressor again, so as to work circularly; in addition, in the case that the compressor can bear liquid refrigerant, the gas-liquid separator may not be provided, and the gas-liquid separator may be replaced by a liquid receiver. The gas-liquid separator may not be provided if two phases do not occur during operation of the refrigerant.
The heat management system comprises an air conditioning box (not shown), the air conditioning box comprises an air conditioning box body, one end of the air conditioning box body is provided with a plurality of air ducts (not shown) which are communicated with the interior of the vehicle, and the air ducts are provided with grilles (not shown) with the size of the air ducts adjustable. And one side of the air inlet of the air conditioner box body is provided with an inner circulating air port, an outer circulating air port and a circulating air door for adjusting the sizes of the inner circulating air port and the outer circulating air port. And air of the passenger compartment communicated with the passenger compartment through the internal circulation air opening enters the air-conditioning box body, and then reenters the passenger compartment through the air duct to form internal circulation. The external circulation air opening is communicated with the outside, and outside air enters the air-conditioning box body through the external circulation air opening and enters the passenger compartment through the air duct. The circulating air door is arranged between the inner circulating air port and the outer circulating air port, so that the switching of the inner circulating air port and the outer circulating air port is controlled, the inner circulating air port can be closed when the circulating air door is switched to the inner circulating air port, the outer circulating air port can be closed when the circulating air door is switched to the outer circulating air port, the inner circulation is formed, the sizes of the inner circulating air port and the outer circulating air port can be adjusted by adjusting the position of the circulating air door, and the proportion of the air in the air, entering the air conditioner box body between the vehicle outside air and. And a blower fan is arranged at the position of the air conditioner box body, which is close to the inner circulation air port and the outer circulation air port. The first heat exchanger as shown in fig. 3 is disposed in the air duct of the air conditioning box, and can be used for heating the air flow of the air conditioning box or reducing the temperature of the air flow of the air conditioning box. As shown in the fifth heat exchanger 301 and the fourth heat exchanger 1 in fig. 4, the fifth heat exchanger and the fourth heat exchanger are disposed in an air duct of the air-conditioning cabinet, a temperature damper is further disposed between the fourth heat exchanger and the fifth heat exchanger, when the temperature damper is opened, air blown in from the inner circulation air opening or the outer circulation air opening can pass through the fourth heat exchanger behind the temperature damper, when the temperature damper is closed, air blown in from the inner circulation air opening or the outer circulation air opening cannot pass through the fourth heat exchanger, the air passes through channels on both sides of the temperature damper and then enters the passenger compartment through the air duct, and the fifth heat exchanger is disposed in an upstream direction of the fourth heat exchanger.
The cycle mode of the thermal management system is described below with reference to the thermal management system of FIG. 3 as an example. The thermal management system includes a circulation mode, where the circulation mode is a case where the first heat exchanger 201 and the second heat exchanger 202 are communicated through the communication line 21, and the first heat exchanger, the communication line, the pump, and the second heat exchanger can be communicated in series, including a case where the coolant of the second heat exchanger flows into the first heat exchanger through the communication line, and also including a case where the coolant of the first heat exchanger flows into the second heat exchanger through the communication line. Wherein the cyclic mode includes a first cyclic mode and a second cyclic mode. In some cases, the thermal management system needs to cool down the devices such as the battery, and the compressor is started to increase power consumption, or when the compressor works at the lowest power consumption, the required power consumption of the devices such as the battery is still smaller than the lowest power consumption of the compressor, and the thermal management system enters the first circulation mode. Referring to fig. 5, in the first circulation mode of the thermal management system, the compressor is turned off, the fourth valve is turned off, the first valve is turned off, the pump is turned on, the third valve and the second valve are both turned on, and the communication path between the second port of the first heat exchanger and the second port of the pump and the second port of the second heat exchanger is opened. When the temperature of the equipment such as the battery is high, the temperature of the equipment such as the battery needs to be reduced, the passenger compartment has heat demand, if the first heat exchanger is arranged in the passenger compartment of the air-conditioning box, the waste heat of the equipment such as the battery utilizes the second heat exchanger to release the cooling liquid, the cooling liquid flows into the first heat exchanger through the communicating pipeline to release heat to the passenger compartment, so that the temperature of the passenger compartment is increased, the temperature of the passenger compartment is increased by utilizing the heat of the equipment such as the battery, and the energy of the heat management system is favorably and reasonably utilized.
When the temperature of the battery or the like is relatively high and it is necessary to lower the temperature of the battery or the like and the passenger compartment also needs cooling, the thermal management system enters the second cycle mode, see fig. 6. In the second circulation mode, the compressor 4 is started, the first throttling device 303 is started, the pump 205 is started, and heat exchange is carried out between the refrigerant and the cooling liquid in the third heat exchanger; the first valve piece is closed, and the second valve piece, the third valve piece and the fourth valve piece are opened, so that the thermal management system controls the fourth valve piece to open a communication passage between a second port of a second flow passage of the third heat exchanger and a second port of the pump, the thermal management system controls the third valve piece to open a communication passage between the second port of the first heat exchanger and the second port of the pump, the thermal management system controls the second valve piece to open a communication passage between the first port of the pump and the second port of the second heat exchanger, and relatively low-temperature cooling liquid enters the second heat exchanger to absorb heat of equipment such as a battery and then respectively enters the second flow passages of the first heat exchanger and the third heat exchanger. Specifically, the refrigerant is compressed by the compressor and then is changed into high-temperature high-pressure gas, the refrigerant discharged by the compressor enters the fourth heat exchanger, the refrigerant exchanges heat with ambient air in the fourth heat exchanger, the ambient air absorbs heat of the refrigerant in the fourth heat exchanger to raise the temperature and is changed into low-temperature high-pressure refrigerant, the refrigerant of the first throttling device is opened and enters the first flow channel of the third heat exchanger after being throttled by the first throttling device, the refrigerant exchanges heat with the cooling liquid in the third heat exchanger, the refrigerant absorbs heat of the cooling liquid, and the cooled cooling liquid flows under the driving of the pump. The cooled coolant enters the second heat exchanger to exchange heat with the equipment such as the battery and the like, the temperature of the equipment such as the battery and the like is reduced, then part of the coolant enters the second flow channel of the third heat exchanger, and the other part of the coolant enters the first heat exchanger to further reduce the temperature of the passenger compartment, so that the flow of the second flow channel entering the third heat exchanger can be adjusted through the third valve piece and the fourth valve piece, and the temperature of the equipment such as the battery and the like is further adjusted. In other embodiments, the second heat exchanger of the thermal management system is arranged in an air duct capable of being used for an air conditioning box, and the first heat exchanger is a liquid cooling device of heating equipment such as a battery; or the first port of the communication pipeline is communicated with the second port of the second heat exchanger, so that the cooling liquid flowing out of the third heat exchanger enters the first heat exchanger to regulate the temperature of the passenger compartment. Or the second circulation mode can also be realized by opening a communication channel between the second port of the pump and the second port of the second heat exchanger, opening a communication channel between the first port of the pump and the second port of the first heat exchanger, and closing a communication channel between the first port of the pump and the second port of the second heat exchanger, which will not be described in detail.
The heat management system further comprises a heating mode, a cooling mode and a dehumidifying mode, wherein the heating mode, the cooling mode and the dehumidifying mode comprise the condition that the second heat exchanger is communicated with the first heat exchanger, or the heating mode, the cooling mode or the dehumidifying mode not only comprises the condition that the cooling liquid of the second heat exchanger flows into the first heat exchanger through the communication pipeline or the cooling liquid of the first heat exchanger flows into the second heat exchanger through the communication pipeline, but also comprises other working conditions of the refrigerant system.
When the relative humidity of the passenger compartment of the vehicle is high, water vapor in the air is easy to condense on the window glass to affect the visual field, which forms a safety hazard, so that the dehumidification of the air in the passenger compartment, namely, the dehumidification mode of the heat management system is required. Specifically, with reference to fig. 4 to describe a dehumidification mode of the thermal management system, a refrigerant is compressed by a compressor and then is changed into a high-temperature high-pressure gas, the refrigerant discharged by the compressor enters a fourth heat exchanger, the high-temperature high-pressure refrigerant releases heat to the surroundings in the sixth heat exchanger, the refrigerant of the sixth heat exchanger passes through a first flow control device, a communication channel between a first connection port of the first flow control device and a third connection port of the first flow control device is opened, the first flow control device closes the communication channel between the first connection port of the first flow control device and a second connection port of the first flow control device, the refrigerant subjected to throttling and pressure reduction by the first flow control device is changed into a low-temperature low-pressure medium, the low-temperature low-pressure refrigerant performs heat exchange with air in an air conditioning box in a fifth heat exchanger to absorb heat of the surrounding air, therefore, water vapor in the air can be condensed and separated out, the air is cooled and dehumidified, and the refrigerant passing through the fifth heat exchanger enters the inlet of the compressor through the gas-liquid separator; in order to improve the comfort of passengers, the pump is started, the communication passage between the second port of the first heat exchanger and the second port of the second heat exchanger is opened, the fourth valve piece and the first valve piece are closed, and the cooling liquid absorbing the heat of the equipment such as the battery exchanges heat with the cooled airflow in the second heat exchanger, so that the temperature of the airflow in the air-conditioning box is improved, and meanwhile, the temperature of the equipment such as the battery is also reduced.
When the temperature of the passenger compartment is high and the temperature of the passenger compartment needs to be reduced to improve the comfort level, the heat management system enters a refrigeration mode, the refrigeration mode of the heat management system comprises a first refrigeration mode and a second refrigeration mode, in the first refrigeration mode, the refrigerant is compressed by the compressor and then is changed into high-temperature high-pressure refrigerant, the refrigerant discharged by the compressor enters a sixth heat exchanger, the refrigerant exchanges heat with the ambient air at the sixth heat exchanger, releases heat to the ambient air and is changed into relatively low-temperature high-pressure refrigerant, after throttling by the first flow control device, the refrigerant enters a fifth heat exchanger, and the refrigerant of the fifth heat exchanger absorbs heat of airflow in the air-conditioning box or cools the ambient air at the fifth heat exchanger. In addition, when equipment such as a passenger compartment and a battery and the like need to be refrigerated, the heat management system enters a second refrigeration mode, a communication channel between a first connecting port of the first flow control device and a third connecting port of the first flow control device is opened, a communication channel between the first connecting port of the first flow control device and a second connecting port of the first flow control device is opened, a part of throttled refrigerant enters a first flow channel of a third heat exchanger, heat exchange is carried out between the third heat exchanger and cooling liquid of the cooling liquid system, the temperature of the cooling liquid is reduced, and the cooled cooling liquid enters the first heat exchanger and the second heat exchanger respectively so as to reduce the temperature of the equipment such as the passenger compartment and the battery respectively; the throttled portion of refrigerant enters a fifth heat exchanger where it exchanges heat with the airflow within the air conditioning box to reduce the temperature of the passenger compartment.
When the external environment is low and the passenger compartment needs to be heated, the thermal management system enters a heating mode, the compressor is turned off in the heating mode of the thermal management system, the thermal management system can be turned on in the first circulation mode, and the passenger compartment is heated by heat released by a device such as a battery, and the detailed description is omitted. As shown in fig. 4, a fourth heat exchanger of the thermal management system may also be provided in the duct of the air conditioning cabinet, the thermal management system operating to regulate the temperature of the passenger compartment.
The heat management system comprises a refrigerant system and a cooling liquid system, wherein the cooling liquid system is provided with a communicating pipeline, so that the cooling liquid of the second heat exchanger and the cooling liquid of the first heat exchanger are communicated with each other, the heat of the second heat exchanger and the heat of the first heat exchanger are exchanged, the reasonable utilization of the energy of the heat management system is facilitated, and the energy of the heat management system is saved.
It should be noted that: although the present invention has been described in detail with reference to the above embodiments, those skilled in the art will appreciate that various combinations, modifications and equivalents of the present invention can be made by those skilled in the art, and all technical solutions and modifications thereof without departing from the spirit and scope of the present invention are encompassed by the claims of the present invention.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (13)
1. A thermal management system comprising a refrigerant system and a coolant system, the refrigerant of the refrigerant system being isolated from and not in communication with the coolant of the coolant system; the heat management system comprises a pump, a first heat exchanger, a second heat exchanger, a third heat exchanger, a refrigerant system and a heat exchange system, wherein the coolant system comprises a pump, the first heat exchanger and the second heat exchanger, the heat management system further comprises the third heat exchanger, the third heat exchanger comprises a first flow passage and a second flow passage, the refrigerant system comprises a first flow passage and a compressor of the third heat exchanger, the coolant system comprises a second flow passage of the third heat exchanger, and when the heat management system works, the coolant system and the refrigerant system can exchange heat at the third heat exchanger; when the heat management system works, the second flow passage, the pump and the first heat exchanger can be communicated in series; or the second flow passage, the pump and the second heat exchanger can be communicated in series; or the second flow channel, the pump and the first heat exchanger are communicated in series, and the second flow channel, the pump and the second heat exchanger are communicated in series;
the cooling liquid system further comprises a communication pipeline, a first port of the communication pipeline can be communicated with a second port of the second heat exchanger or a second port of the first heat exchanger, and the second port of the communication pipeline is communicated with a second port of the pump; the thermal management system includes a circulation mode in which the first heat exchanger, the communication line, the pump, and the second heat exchanger are capable of serial communication.
2. The thermal management system of claim 1, wherein the coolant system further comprises a first control valve, a first port of the first control valve being in communication with the first port or the second port of the communication conduit;
the coolant system can adjust the flow of coolant flowing through the communication pipeline through the first control valve.
3. The thermal management system of claim 1, comprising a first control valve comprising the first port and the second port, the first control valve being capable of opening or closing or regulating a communication passage between the first port of the first control valve and the second port of the first control valve, the first port of the first control valve being in communication with the first port of the communication conduit, the second port of the first control valve being in communication with the second port of the first heat exchanger or the second port of the second heat exchanger; or the first port of the first control valve is communicated with the second port of the communication pipeline, and the second port of the first control valve is communicated with the second port of the pump;
or the first control valve comprises the first port, the second port and a third port, the first control valve can open or close or adjust a communication channel between the third port of the first control valve and the first port of the first control valve and/or the first control valve element can open or close or adjust a communication channel between the third port of the first control valve and the second port of the first control valve, the first port of the first control valve is communicated with the second port of the communication pipeline, the second port of the first control valve is communicated with the second port of the second flow passage, and the third port of the first control valve is communicated with the second port of the pump.
4. The thermal management system of claim 3, wherein the coolant system further comprises a first valve assembly capable of opening or closing or adjusting a communication passage of a third port of the first valve assembly with a first port of the first valve assembly and/or the first valve assembly capable of opening or closing or adjusting a communication passage of a third port of the first valve assembly with a second port of the first valve assembly, the first port of the first valve assembly being in communication with a second port of the first heat exchanger, the second port of the first valve assembly being in communication with a second port of the second heat exchanger, the third port of the first valve assembly being in communication with a first port of the pump.
5. The thermal management system of any of claims 1-4, wherein the refrigerant system comprises a first flowpath of the third heat exchanger, a throttling element, and a fourth heat exchanger, the outlet of the compressor is in communication with a first port of the first flowpath, a second port of the first flowpath is in communication with a first port of the throttling element, a second port of the throttling element is in communication with a first port of the fourth heat exchanger, and a second port of the fourth heat exchanger is in communication with the inlet of the compressor;
or the refrigerant system comprises a first flow channel of the third heat exchanger, a first flow control device and a fourth heat exchanger, an outlet of the compressor is communicated with a first port of the fourth heat exchanger, a second port of the fourth heat exchanger is communicated with a first connecting port of the first flow control device, a second connecting port of the first flow control device is communicated with a second port of the first flow channel, and the first port of the first flow channel is communicated with an inlet of the compressor.
6. The thermal management system of claim 5, wherein the refrigerant system comprises a first flow passage of the third heat exchanger, a first flow control device, and a fourth heat exchanger, an outlet of the compressor communicates with a first port of the fourth heat exchanger, a second port of the fourth heat exchanger communicates with a first connection port of the first flow control device, a second connection port of the first flow control device communicates with a second port of the first flow passage, and the first port of the first flow passage communicates with an inlet of the compressor;
the refrigerant system further comprises a fifth heat exchanger, the first flow control device further comprises a third connecting port, the first flow control device can open or close or adjust a communication channel between the first connecting port of the first flow control device and the third connecting port of the first flow control device and/or a communication channel between the first connecting port of the first flow control device and the second connecting port of the first flow control device, a second port of the fifth heat exchanger is communicated with the third connecting port, and the first port of the fifth heat exchanger and the first port of the first flow channel are communicated with the inlet of the compressor;
the heat management system comprises an air conditioner box, the first heat exchanger and the fifth heat exchanger are arranged in an air duct of the air conditioner box, and the fifth heat exchanger is arranged in the wind direction of the first heat exchanger.
7. The thermal management system of claim 6, wherein the first flow control device comprises a first throttling device and first and second valve units, one port of the first throttling device being in communication with the first connection port, another port of the first throttling device being in communication with the first port of the first valve unit, another port of the first throttling device being in communication with the first port of the second valve unit, the second port of the first valve unit being in communication with the second connection port, the second port of the second valve unit being in communication with the third connection port;
or the first flow control device comprises a first throttling device and a third valve unit, the third valve unit comprises a first interface, a second interface and a third interface, the third valve unit can open or close or regulate a communication channel between the first interface of the third valve unit and the third interface of the third valve unit and/or a communication channel between the first interface of the third valve unit and the second interface of the third valve unit, one port of the first throttling device is communicated with the first connection interface, the other port of the first throttling device is communicated with the first interface of the third valve unit, the second interface of the third valve unit is communicated with a second connection port, and the third interface of the third valve unit is communicated with the third connection port of the third valve unit;
or the first flow control device comprises a first throttling device and a second throttling device, one port of the first throttling device and one port of the second throttling device are communicated with the first connecting port, the other port of the first throttling device is communicated with the second connecting port, and the other port of the second throttling device is communicated with the third connecting port.
8. The thermal management system of claim 6 or 7, wherein the refrigerant system further comprises a second flow control device and a sixth heat exchanger, the second flow control device comprising a first communication port and a second communication port, the second port of the fourth heat exchanger being in communication with the second communication port of the second flow control device, the first communication port of the second flow control device being in communication with the first port of the sixth heat exchanger, the second port of the sixth heat exchanger being capable of communication with the inlet of the compressor, the second port of the sixth heat exchanger being in communication with the first port of the first flow control device;
the second flow control device is capable of opening or closing a communication passage between the first communication port and the second communication port or the second flow control device is capable of adjusting the communication passage between the first communication port and the second communication port;
the fourth heat exchanger is arranged in an air duct of the air conditioning box, and the fourth heat exchanger is arranged in the downwind direction of the first heat exchanger.
9. The thermal management system of claim 8, wherein the second flow control device comprises a third throttling device and a fourth valve unit, the fourth valve unit comprising two ports, one port of the third throttling device and a first port of the fourth valve unit being in communication with the first communication port, the other port of the third throttling device and a second port of the fourth valve unit being in communication with the second communication port;
or the fourth valve unit comprises three ports, a first port of the fourth valve unit is communicated with the first communication port, a second port of the fourth valve unit is communicated with one port of a third throttling device, a third port of the fourth valve unit is communicated with the second communication port, and the other port of the third throttling device is communicated with the second communication port.
10. The thermal management system of any of claims 1-4 or 6 or 7 or 9, wherein said cycling mode comprises a first cycling mode and a second cycling mode,
the first circulation mode is to turn on the pump and to close a communication passage between the second port of the second flow passage and the second port of the pump; opening a communication channel between a second port of the pump and a second port of the first heat exchanger, closing a communication channel between a first port of the pump and a second port of the first heat exchanger, and opening a communication channel between the first port of the pump and a second port of the second heat exchanger; or opening a communication channel between the second port of the pump and the second port of the second heat exchanger, closing a communication channel between the first port of the pump and the second port of the second heat exchanger, and opening a communication channel between the first port of the pump and the second port of the first heat exchanger;
the second circulation mode is to start the compressor, start the pump, and open a communication passage between a second port of the second flow passage and a second port of the pump; opening a communication channel between a second port of the pump and a second port of the first heat exchanger, opening a communication channel between a first port of the pump and a second port of the second heat exchanger, and closing the communication channel between the first port of the pump and the second port of the first heat exchanger; or opening a communication channel between the second port of the pump and the second port of the second heat exchanger, opening a communication channel between the first port of the pump and the second port of the first heat exchanger, and closing the communication channel between the first port of the pump and the second port of the second heat exchanger.
11. The thermal management system of claim 5, wherein the cycling mode comprises a first cycling mode and a second cycling mode,
the first circulation mode is to turn on the pump and to close a communication passage between the second port of the second flow passage and the second port of the pump; opening a communication channel between a second port of the pump and a second port of the first heat exchanger, closing a communication channel between a first port of the pump and a second port of the first heat exchanger, and opening a communication channel between the first port of the pump and a second port of the second heat exchanger; or opening a communication channel between the second port of the pump and the second port of the second heat exchanger, closing a communication channel between the first port of the pump and the second port of the second heat exchanger, and opening a communication channel between the first port of the pump and the second port of the first heat exchanger;
the second circulation mode is to start the compressor, start the pump, and open a communication passage between a second port of the second flow passage and a second port of the pump; opening a communication channel between a second port of the pump and a second port of the first heat exchanger, opening a communication channel between a first port of the pump and a second port of the second heat exchanger, and closing the communication channel between the first port of the pump and the second port of the first heat exchanger; or opening a communication channel between the second port of the pump and the second port of the second heat exchanger, opening a communication channel between the first port of the pump and the second port of the first heat exchanger, and closing the communication channel between the first port of the pump and the second port of the second heat exchanger.
12. The thermal management system of claim 8, wherein the cycling mode comprises a first cycling mode and a second cycling mode,
the first circulation mode is to turn on the pump and to close a communication passage between the second port of the second flow passage and the second port of the pump; opening a communication channel between a second port of the pump and a second port of the first heat exchanger, closing a communication channel between a first port of the pump and a second port of the first heat exchanger, and opening a communication channel between the first port of the pump and a second port of the second heat exchanger; or opening a communication channel between the second port of the pump and the second port of the second heat exchanger, closing a communication channel between the first port of the pump and the second port of the second heat exchanger, and opening a communication channel between the first port of the pump and the second port of the first heat exchanger;
the second circulation mode is to start the compressor, start the pump, and open a communication passage between a second port of the second flow passage and a second port of the pump; opening a communication channel between a second port of the pump and a second port of the first heat exchanger, opening a communication channel between a first port of the pump and a second port of the second heat exchanger, and closing the communication channel between the first port of the pump and the second port of the first heat exchanger; or opening a communication channel between the second port of the pump and the second port of the second heat exchanger, opening a communication channel between the first port of the pump and the second port of the first heat exchanger, and closing the communication channel between the first port of the pump and the second port of the second heat exchanger.
13. The thermal management system of claim 1, wherein the coolant system comprises a first valve member, a second valve member, a third valve member, and a fourth valve member, the first port of the first valve piece and the first port of the second valve piece are communicated with the first port of the pump, the second port of the first valve element is communicated with the second port of the first heat exchanger, the second port of the second valve element is communicated with the second port of the second heat exchanger, the first port of the third valve piece and the first port of the fourth valve piece are communicated with the second port of the pump, the second port of the third valve element is communicated with the second port of the communication pipeline, the second port of the fourth valve element is communicated with the second port of the second flow passage, the first port of the first heat exchanger and the first port of the second heat exchanger are communicated with the first port of the second flow channel;
the refrigerant system comprises a first throttling device, a second throttling device, a fourth heat exchanger and a fifth heat exchanger, wherein one port of the first throttling device and one port of the second throttling device are communicated with a second port of the fourth heat exchanger, the other port of the first throttling device is communicated with a second port of the second flow channel, the other port of the second throttling device is communicated with a second port of the fifth heat exchanger, and a first port of the fifth heat exchange and a first port of the first flow channel are communicated with an inlet of the compressor;
the circulation mode comprises a first circulation mode and a second circulation mode, wherein the first circulation mode is used for starting the pump and closing a communication channel between the second port of the second flow passage and the second port of the pump; opening a communication channel between a second port of the pump and a second port of the first heat exchanger, closing a communication channel between a first port of the pump and a second port of the first heat exchanger, and opening a communication channel between the first port of the pump and a second port of the second heat exchanger; or opening a communication channel between the second port of the pump and the second port of the second heat exchanger, closing a communication channel between the first port of the pump and the second port of the second heat exchanger, and opening a communication channel between the first port of the pump and the second port of the first heat exchanger;
the second circulation mode is to start the compressor, start the pump, and open a communication passage between a second port of the second flow passage and a second port of the pump; opening a communication channel between a second port of the pump and a second port of the first heat exchanger, opening a communication channel between a first port of the pump and a second port of the second heat exchanger, and closing the communication channel between the first port of the pump and the second port of the first heat exchanger; or opening a communication channel between the second port of the pump and the second port of the second heat exchanger, opening a communication channel between the first port of the pump and the second port of the first heat exchanger, and closing the communication channel between the first port of the pump and the second port of the second heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711442536.9A CN109974318B (en) | 2017-12-27 | 2017-12-27 | Thermal management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711442536.9A CN109974318B (en) | 2017-12-27 | 2017-12-27 | Thermal management system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109974318A CN109974318A (en) | 2019-07-05 |
| CN109974318B true CN109974318B (en) | 2021-03-12 |
Family
ID=67071473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711442536.9A Active CN109974318B (en) | 2017-12-27 | 2017-12-27 | Thermal management system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109974318B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115214304A (en) | 2019-09-16 | 2022-10-21 | 杭州三花研究院有限公司 | Thermal management system |
| CN114435078B (en) * | 2020-11-06 | 2025-02-21 | 上海汽车集团股份有限公司 | Vehicle, vehicle air conditioning system and control method |
| CN115723508A (en) * | 2021-08-26 | 2023-03-03 | 三花控股集团有限公司 | thermal management system |
| CN113942425B (en) * | 2021-11-23 | 2025-04-22 | 应雪汽车科技(常熟)有限公司 | A coupled thermal management system for electric vehicles and a working method thereof |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10141389B4 (en) * | 2001-08-20 | 2005-09-22 | Visteon Global Technologies, Inc., Dearborn | Combined heat exchanger for the coolant circuit of a motor vehicle |
| DE10253357B4 (en) * | 2002-11-13 | 2006-05-18 | Visteon Global Technologies, Inc., Dearborn | Combined refrigeration system / heat pump for use in motor vehicles for cooling, heating and dehumidifying the vehicle interior |
| ES2652023T3 (en) * | 2003-11-28 | 2018-01-31 | Mitsubishi Denki Kabushiki Kaisha | Freezer and air conditioner |
| JP2008006894A (en) * | 2006-06-28 | 2008-01-17 | Denso Corp | Vehicular air conditioner |
| FR2954462B1 (en) * | 2009-12-17 | 2012-02-24 | Valeo Systemes Thermiques | OPTIMIZATION OF A GLOBAL HEATING CAPACITY OF AN AIR CONDITIONING SYSTEM |
| JP5373964B2 (en) * | 2010-03-01 | 2013-12-18 | 株式会社日立製作所 | Air conditioning and hot water supply system |
| CN103221760B (en) * | 2010-11-15 | 2015-07-22 | 三菱电机株式会社 | refrigeration unit |
| CN203443158U (en) * | 2013-07-19 | 2014-02-19 | 山东天兴生物科技有限公司 | Multi-loop cooling circulating device |
| CN206765752U (en) * | 2017-06-09 | 2017-12-19 | 上海加冷松芝汽车空调股份有限公司 | A kind of car concentrates heat management system |
| CN107512149B (en) * | 2017-08-22 | 2019-06-07 | 英格索兰（中国）工业设备制造有限公司 | The vehicle heat pump air-conditioning system of integrated battery heat management function |
| CN107436048A (en) * | 2017-08-25 | 2017-12-05 | 北京汽车股份有限公司 | The air-conditioning system and vehicle of vehicle |
-
2017
- 2017-12-27 CN CN201711442536.9A patent/CN109974318B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109974318A (en) | 2019-07-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109228962B (en) | Thermal management system | |
| CN109140815B (en) | Thermal management system and flow control device | |
| WO2018161907A1 (en) | Thermal management system | |
| CN109291761B (en) | Heat pump air conditioning system of electric automobile | |
| CN109140816B (en) | Thermal management system | |
| US12065016B2 (en) | Heat pump system | |
| KR102541514B1 (en) | Integral type control valve for heat pump | |
| CN106608157B (en) | Air conditioning system and air conditioning control method | |
| US11828507B2 (en) | Air conditioning system and control method therefor | |
| CN109974318B (en) | Thermal management system | |
| EP3786546B1 (en) | Heat pump system | |
| KR101766045B1 (en) | Air conditioning system for vehicle | |
| CN112428769B (en) | Thermal management system | |
| EP3666565B1 (en) | Automotive air conditioning system | |
| CN109383214B (en) | Thermal management system | |
| CN109900023B (en) | Thermal management system | |
| CN110608541B (en) | Heat pump system | |
| CN217574780U (en) | Thermal management system | |
| CN111854215A (en) | Heat pump system | |
| CN113173047B (en) | Thermal management system | |
| CN110608540B (en) | Heat pump system | |
| KR102158505B1 (en) | Air conditioner for vehicle | |
| KR102158495B1 (en) | Air conditioner for vehicle | |
| KR102764534B1 (en) | Electric vehicle heat pump system | |
| CN110375463B (en) | Low-temperature heat pump system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |