CN116985624A - Thermal management system and vehicle - Google Patents

Thermal management system and vehicle Download PDF

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Publication number
CN116985624A
CN116985624A CN202210451650.2A CN202210451650A CN116985624A CN 116985624 A CN116985624 A CN 116985624A CN 202210451650 A CN202210451650 A CN 202210451650A CN 116985624 A CN116985624 A CN 116985624A
Authority
CN
China
Prior art keywords
channel
chamber
water
management system
switching
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.)
Pending
Application number
CN202210451650.2A
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Chinese (zh)
Inventor
葛笑
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Welling Auto Parts Co Ltd
Anhui Welling Auto Parts Co Ltd
Original Assignee
Guangdong Welling Auto Parts Co Ltd
Anhui Welling Auto Parts Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangdong Welling Auto Parts Co Ltd, Anhui Welling Auto Parts Co Ltd filed Critical Guangdong Welling Auto Parts Co Ltd
Priority to CN202210451650.2A priority Critical patent/CN116985624A/en
Priority to PCT/CN2023/074627 priority patent/WO2023207242A1/en
Publication of CN116985624A publication Critical patent/CN116985624A/en
Pending legal-status Critical Current

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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K11/00—Arrangement in connection with cooling of propulsion units
    • B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/08—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
    • F16K11/085—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/08—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
    • F16K11/085—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug
    • F16K11/0856—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug having all the connecting conduits situated in more than one plane perpendicular to the axis of the plug
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
    • 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
    • H01M10/62—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
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567—Liquids
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Power Engineering (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Multiple-Way Valves (AREA)

Abstract

The invention discloses a thermal management system and a vehicle, wherein the thermal management system comprises: the multi-channel switching valve comprises a shell and a valve core, wherein the shell is provided with a first connecting valve port and a second connecting valve port, a first chamber, a second chamber and a flow path channel are arranged in the shell, the second chamber is provided with a water flow channel, the first connecting valve port is communicated with the first chamber, and a plurality of second connecting valve ports are communicated with the second chamber; the valve core is arranged in the second cavity, the valve core is provided with a first switching channel, the first switching channel is suitable for communicating the water flow channel with the second connecting valve port, and the valve core rotates to enable the water flow channel to be communicated with the second connecting valve port in a switching way; the water tank is communicated with the flow path channel, and the heat exchange medium flowing out of the water tank flows to the first chamber or the second chamber; and the water pump provides power for liquid flow. According to the invention, the multi-way switching valve is arranged, so that the space utilization rate is improved, and the cost is reduced.

Description

Thermal management system and vehicle
Technical Field
The invention relates to the technical field of vehicles, in particular to a thermal management system and a vehicle.
Background
With the development of new energy automobiles, the thermal management system on the new energy automobiles is continuously updated, the state of a circulation loop required to be controlled on the whole automobile is continuously increased, and the number of sub-parts of the thermal management system is continuously increased. In the related art, the sub-parts are arranged at different positions, and the sub-parts at different positions need to be correspondingly provided with the same power signal connectors, pipeline connectors and fixing supports, so that a plurality of power signal connectors, pipeline connectors and fixing supports of the parts are needed. Thus, not only is the arrangement space of the whole vehicle wasted, but also the cost is increased.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides a thermal management system, the sub-parts are arranged in a concentrated way, the integration level is improved, the space waste is avoided, and the cost is reduced.
The invention also provides a vehicle applying the thermal management system, and the vehicle is provided with the sub-parts in a centralized way, so that the integration level is improved, the space waste is avoided, and the cost is reduced.
A thermal management system according to an embodiment of the invention comprises: the multi-channel switching valve comprises a shell and a valve core, wherein the shell is provided with a first connecting valve port and a plurality of second connecting valve ports, a first chamber, a second chamber and a flow path channel are arranged in the shell, the second chamber is provided with a water flow channel communicated with the first chamber, the first connecting valve port is communicated with the first chamber, and the plurality of second connecting valve ports are communicated with the second chamber; the valve core is rotatably arranged in the second cavity, the valve core is provided with at least one first switching channel, each first switching channel is suitable for being communicated with the water flow channel and one of the second connecting valve ports, and the valve core rotates to enable the water flow channel to be communicated with at least two second connecting valve ports in a switching way; the water tank and the shell are independent molded parts, the water tank is assembled to the shell, a water outlet of the water tank is communicated with the flow path channel, and a heat exchange medium flowing out of the water tank flows to the first chamber or the second chamber; a water pump mounted to the housing, the water pump operating to provide motive force for the flow of liquid within the first chamber.
According to the thermal management system provided by the embodiment of the invention, the multi-way switching valve is arranged, and the water tank and the water pump are integrated on the shell of the multi-way switching valve, so that compared with the mode of a plurality of pipelines, a plurality of pipeline connectors and a plurality of fixing brackets in the related art, the thermal management system has higher integration level, improves the space utilization rate and reduces the cost.
In some embodiments, the water pump is a plurality of water pumps, each water pump is provided with one first chamber, each first chamber is communicated with the second chamber through the water flow channel, and each water flow channel is communicated with at least two second connecting valve ports through the first switching channels.
In some embodiments, the flow path channel is located outside the second chamber and a lower end of the flow path channel extends into communication with the water flow channel.
In some embodiments, the outlet end of the flow path channel is positioned on the inner wall of the second chamber, the valve core is further provided with a second switching channel, and the valve core rotates to enable the second switching channel to be communicated with the flow path channel and the water flow channel simultaneously or enable the second switching channel to be disconnected from at least one of the flow path channel and the water flow channel; the water tank is provided with a water inlet facing the liquid injection in the water tank.
In some embodiments, the flow path channel extends to a top wall of the housing, the water tank is supported by the housing, and the water outlet is inserted into the flow path channel.
In some embodiments, the plurality of second connecting ports are located on the same side of the housing.
Optionally, the first connection valve port and the second connection valve port are located on opposite sides of the housing.
In some embodiments, the thermal management system further comprises a control module secured to the housing, the control module coupled to the valve spool to drive rotation of the valve spool.
Optionally, the control module and the water tank are distributed to opposite sides of the housing.
In some embodiments, the thermal management system further comprises a heat exchanger secured to the housing and/or the water tank.
In some embodiments, the housing is provided with a mounting portion adapted to be secured to a vehicle body.
Specifically, at least one first switching channel includes inlayer runner and two intercommunication mouths, the inlayer runner is located the inside of case, two intercommunication mouths are located the periphery wall of case, the both ends of inlayer runner respectively with two intercommunication mouths intercommunication.
The vehicle comprises the thermal management system.
According to the vehicle provided by the embodiment of the invention, the multi-way switching valve is arranged, and the water tank and the water pump are integrated on the shell of the multi-way switching valve, so that compared with the mode of a plurality of pipelines, a plurality of pipeline connectors and a plurality of fixing brackets in the related art, the vehicle has higher integration level, improves the space utilization rate and reduces the cost.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic illustration of a thermal management system in partial cross-section according to an embodiment of the present invention;
FIG. 2 is a schematic diagram illustrating the cooperation of the second switching channel with the flow path channel and the water flow channel in the embodiment of the present invention;
FIG. 3 is an exploded view of a thermal management system according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a thermal management system according to an embodiment of the present invention;
FIG. 5 is an enlarged view of a portion of the portion I of FIG. 4;
fig. 6 is a schematic structural diagram of a vehicle according to an embodiment of the present invention.
Reference numerals:
100. a thermal management system;
10. a multi-channel switching valve; 11. a housing; 111. a first connecting valve port; 112. the second connecting valve port; 114. a second chamber; 1141. a water flow channel; 115. a flow path channel; 12. a valve core; 121. a first switching channel; 1211. an inner layer runner; 1212. a communication port; 122. a second switching channel; 13. a seal;
20. a water tank; 30. a water pump; 40. a control module; 50. a heat exchanger; 1000. a vehicle.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
A thermal management system 100 according to an embodiment of the present invention is described below with reference to the accompanying drawings.
As shown in fig. 1, a thermal management system 100 according to an embodiment of the present invention, the thermal management system 100 includes: a multi-channel switching valve 10, a water tank 20 and a water pump 30.
The multi-channel switching valve 10 includes a housing 11 and a valve core 12, the housing 11 is provided with a first connecting valve port 111 and a plurality of second connecting valve ports 112, a first chamber, a second chamber 114 and a flow channel 115 are provided in the housing 11, the second chamber 114 is provided with a water flow channel 1141 communicated with the first chamber, the first connecting valve port 111 is communicated with the first chamber, and the plurality of second connecting valve ports 112 are communicated with the second chamber 114.
The thermal management system 100 manages a heat exchange medium, and the heat exchange medium flows through the first connection valve port 111, the second connection valve port 112, the first chamber, the second chamber 114, the flow path channel 115, and the water flow channel 1141. As shown in fig. 1 (the bold line in fig. 1 is a heat exchange medium flow path), the heat exchange medium may enter the second chamber 114 from the second connection valve port 112, then enter the first chamber through the water flow channel 1141, and then flow out from the first connection valve port 111.
The valve core 12 is rotatably arranged in the second chamber 114, the valve core 12 is provided with at least one first switching channel 121, each first switching channel 121 is suitable for being communicated with the water flow channel 1141 and one of the second connecting valve ports 112, the valve core 12 rotates to enable the water flow channel 1141 to be communicated with at least two second connecting valve ports 112 in a switching mode, the rotatable valve core 12 is arranged, and the valve core 12 is provided with the first switching channel 121, so that the first connecting valve ports 111 can be communicated with different second connecting valve ports 112 in a switching mode, concentration of various pipeline functions is achieved, and integration level is improved. For example, a vehicle is generally provided with a motor cooling circuit and a battery cooling circuit, the valve spool 12 communicates the first connection valve port 111 with one of the second connection valve ports 112 in an initial state, and the motor cooling circuit operates to cool the motor; then the valve core 12 rotates to enable the first connecting valve port 111 to be communicated with the other second connecting valve port 112, and the battery cooling loop works, so that the battery is cooled; of course, the foregoing is by way of example only and is not intended to be limiting. For ease of description, the flow of heat transfer medium from the first connecting port 111 to the thermal management system 100 and from the second connecting port 112 to the thermal management system 100 will be exemplified below.
Wherein rotation of the valve spool 12 causes the water flow channel 1141 to switch communication with the at least two second connecting ports 112. That is, the water flow passage 1141 may be in switching communication with the two second connecting ports 112, for example, the water flow passage 1141 may be in communication with one second connecting port 112 in the initial state, and then the valve cartridge 12 is rotated so that the water flow passage 1141 is in communication with the other second connecting port 112. Alternatively, the water flow channel 1141 may be in switching communication with three second connecting ports 112, for example, the water flow channel 1141 may be in communication with a first second connecting port 112 in an initial state, the spool 12 may be rotated such that the water flow channel 1141 is in communication with a second connecting port 112, and the spool 12 may be rotated such that the water flow channel 1141 is in communication with a third second connecting port 112. Of course, the water flow channel 1141 may also be in communication with four, five or more second connecting ports 112, thereby improving the integration level.
The water tank 20 and the shell 11 are independent molded parts, the water tank 20 is assembled to the shell 11, the water outlet of the water tank 20 is communicated with the flow path channel 115, the heat exchange medium flowing out of the water tank 20 flows to the first cavity or the second cavity 114, the water outlet of the water tank 20 is communicated with the flow path channel 115, the heat exchange medium flowing out of the water tank 20 flows to the first cavity, and the water tank 20 can supplement water to the first cavity to keep the state of the heat exchange medium in the first cavity stable. Alternatively, the heat exchange medium flowing out of the water tank 20 flows to the second chamber 114, and the second chamber 114 may guide the heat exchange medium to other spaces, thereby completing the circulation of the heat exchange medium in the water tank 20. Wherein, the water tank 20 is assembled to the housing 11, which improves the integration and reduces the cost compared with the related art in which sub-parts are respectively installed at different positions.
The water pump 30 is mounted to the housing 11, the water pump 30 operates to provide power for the flow of liquid in the first chamber, and by mounting the water pump 30 to the housing 11, the components are arranged in a concentrated manner, saving overall space.
According to the thermal management system 100 of the embodiment of the invention, by arranging the multi-channel switching valve 10, and integrating the water tank 20 and the water pump 30 on the shell 11 of the multi-channel switching valve 10, compared with the mode of a plurality of pipelines, a plurality of pipeline connectors and a plurality of fixing brackets in the related art, the integration level is higher, the space utilization rate is improved, and the cost is reduced; and meanwhile, the water outlet of the water tank 20 is communicated with the flow path channel 115, so that multiple functions are achieved.
In some embodiments, the thermal management system 100 further includes a seal 13, where the seal 13 is disposed on the valve core 12 to seal the switching channels on the valve core 12 to ensure that the switching channels do not communicate with each other.
As shown in fig. 1 and 3, in some embodiments, the water pumps 30 are plural, each water pump 30 is provided with a first chamber, each first chamber is communicated with the second chamber 114 through a water flow channel 1141, and each water flow channel 1141 is communicated with at least two second connecting valve ports 112 through a first switching channel 121.
For example, two water pumps 30 are provided, two water pumps 30 correspond to two first chambers, so that the liquid in the two first chambers can flow, and the vehicle is generally provided with a motor cooling circuit and a battery cooling circuit, where the motor cooling circuit and the battery cooling circuit respectively correspond to one first chamber, so that the motor cooling circuit and the battery cooling circuit can operate simultaneously. Of course, there may be a larger number of water pumps 30, and the specific number may be set according to the internal circuit of the vehicle, which will not be described herein.
Specifically, the first chambers are multiple and isolated from each other, and each of the first chambers is respectively communicated with a different first connecting valve port 111, and each of the first chambers also corresponds to one water flow channel 1141, and each of the water flow channels 1141 is in switching communication with at least two second connecting valve ports 112 through the first switching channel 121, that is, each of the first connecting valve ports 111 is in switching communication with at least two second connecting valve ports 112 through the first switching channel 121.
For example, the number of the first connecting ports 111 is two, the number of the first connecting ports 111 is a first connecting port a and a first connecting port B, the number of the second connecting ports 112 is three, the number of the three second connecting ports 112 is a second connecting port a, a second connecting port B and a second connecting port C, the number of the first chambers is two, the number of the two first chambers is a first chamber a and a first chamber B, the number of the water flow channels 1141 is two, the number of the two water flow channels 1141 is a water flow channel a and a water flow channel B, the first connecting port a is communicated with the first chamber a, the first chamber a is communicated with the water flow channel a, the first chamber B is communicated with the water flow channel 1141B, the water flow channel a and the water flow channel B are communicated into the same second chamber 114, the second chamber 114 is internally provided with a valve core 12, the two first switching channels 121 are respectively arranged on the valve core 12, and the two first switching channels 121 are respectively the first switching channels a and the first switching channels B. In the initial state, the water flow channel A is communicated with the second connecting valve port A through the first switching channel A, and the water flow channel B is communicated with the second connecting valve port B through the first switching channel B; then, the valve core 12 rotates to change the position of the first switching channel 121, so that the water flow channel A is communicated with the second connecting valve port B through the first switching channel B, and the water flow channel B is communicated with the second connecting valve port C through the first switching channel A, thereby controlling the flow path of the heat exchange medium.
As shown in fig. 1 and 5 (the black bold line in fig. 5 is the flow path of the heat exchange medium), in some embodiments, the flow path channel 115 is located outside the second chamber 114, and the lower end of the flow path channel 115 extends to communicate with the water flow channel 1141, by disposing the flow path channel 115 outside the second chamber 114, the two flow paths are prevented from interfering with each other, so that the flow path of the thermal management system 100 is clearer.
As shown in fig. 2, in some embodiments, the outlet end of the flow path channel 115 is located on the inner wall of the second chamber 114, the spool 12 is further provided with a second switching channel 122, and the spool 12 rotates such that the second switching channel 122 communicates with the flow path channel 115 and the water flow channel 1141 simultaneously, or such that the second switching channel 122 is disconnected from at least one of the flow path channel 115 and the water flow channel 1141, thereby further increasing the flow path and increasing the selection. The valve core 12 rotates to enable the second switching channel 122 to be simultaneously communicated with the flow channel 115 and the water flow channel 1141, so that liquid in the water tank 20 enters the second switching channel 122 through the flow channel 115, the second switching channel 122 guides the liquid to the water flow channel 1141, the water flow channel 1141 is communicated with the first chamber, the first chamber is communicated with the first connecting valve port 111, and finally the liquid in the water tank 20 flows out from the first connecting valve port 111; when the valve body 12 rotates, the second switching passage 122 is disconnected from at least one of the flow path passage 115 and the water flow passage 1141, and the flow path is disconnected, so that the flow of the liquid in the tank 20 from the first connection port 111 is stopped.
The water tank 20 is provided with a water inlet facing the water tank 20 for injecting liquid, an external pipeline is communicated with the water inlet for supplying liquid, and the liquid supplied by the external pipeline can flow out from the first connecting valve port 111 to form a complete flow path.
As shown in fig. 1 and 5, in some embodiments, the flow path channel 115 extends to the top wall of the housing 11, the water tank 20 is supported to the housing 11, and the water outlet is inserted into the flow path channel 115. That is, the water tank 20 is disposed above the housing 11, so that the heat exchange medium in the water tank 20 can enter the flow path channel 115 under the action of self gravity, and the heat exchange medium is automatically replenished.
As shown in fig. 1 and 3, in some embodiments, the plurality of second connection ports 112 are located on the same side of the housing 11, so that the plurality of second ports are convenient to communicate with an external pipeline by disposing the plurality of second connection ports 112 on the same side of the housing 11, thereby improving efficiency. It will be appreciated that the plurality of second connecting ports 112 are provided on the same side of the housing 11, and that only one side facing the housing 11 is required to be installed without switching the direction of the multi-channel switch valve 10 when the external pipe is installed to the second connecting ports 112. For example, three second connecting ports 112 are provided on the front side, and the installer only needs to face the front side of the multi-channel switching valve 10 when installing an external pipe to the second connecting ports 112.
In some embodiments, the plurality of second connecting ports 112 are located on different sides of the housing 11, adding more options to the user, and the external conduit need not be twisted, making the external conduit more clearly oriented.
As shown in fig. 1, alternatively, the first connection valve port 111 and the second connection valve port 112 are located on opposite sides of the housing 11, and by providing the first connection valve port 111 and the second connection valve port 112 on opposite sides of the housing 11, the probability of installation errors is reduced. The first connecting valve port 111 and the second connecting valve port 112 are required to be connected with external pipelines, but the functions of the first connecting valve port 111 and the second connecting valve port 112 are different, if the external pipelines which are required to be installed on the first connecting valve port 111 are installed on the second connecting valve port 112, damage can be necessarily caused.
For example, the second connection port 112 is located on the front side of the housing 11, the first connection port 111 is located on the rear side of the housing 11, and when the external pipe is attached to the second connection port 112, the first connection port 111 is attached to the front side first and then to the rear side first, and the installer can easily recognize the first connection port 111 and the second connection port 112 in the front-rear direction.
In some embodiments, the first connecting port 111 and the second connecting port 112 are located on the same side of the housing 11, and installation is facilitated by providing the first connecting port 111 and the second connecting port 112 on the same side of the housing 11. The first connecting valve port 111 and the second connecting valve port 112 are both required to be connected with an external pipeline, and when the external pipeline is installed on the first connecting valve port 111 and the second connecting valve port 112, the first connecting valve port 111 and the second connecting valve port 112 which are positioned on the same side enable an installer to complete in-situ installation without changing the azimuth. It is of course understood that the arrangement positions of the first connecting valve port 111 and the second connecting valve port 112 are not limited to the above, and may be defined according to practical situations.
As shown in fig. 1, 3 and 4, in some embodiments, the thermal management system 100 further includes a control module 40, where the control module 40 is fixed to the housing 11, and the control module 40 is connected to the valve core 12 to drive the valve core 12 to rotate, so as to further improve the integration level by fixing the control module 40 to the housing 11.
Specifically, the housing 11 includes a body in which the valve core 12 is disposed, and a cover plate that covers the body, and the control module 40 may be disposed on the body or the cover plate. For example, the control module 40 is provided on the body to increase stability; alternatively, the control module 40 is provided on the cover plate for easy installation.
As shown in fig. 1, 3 and 4, alternatively, the control module 40 and the water tank 20 are distributed on opposite sides of the housing 11, and by distributing the control module 40 and the water tank 20 on opposite sides of the housing 11, the components are distributed on the housing 11 in a relatively dispersed manner, so that the problem of inconvenient circuit connection caused by concentration of the components is reduced, and meanwhile, the gravity center is located on the housing 11, so that the thermal management system 100 is stabilized.
As shown in fig. 1, 3 and 4, in some embodiments, the thermal management system 100 further includes a heat exchanger 50, the heat exchanger 50 being secured to the housing 11 and/or the water tank 20 to provide heat exchange space for other devices by providing the heat exchanger 50 to facilitate mating with other components. For example, the heat exchanger 50 is fixed to the housing 11, and the integration manner is more flexible; alternatively, the heat exchanger 50 is fixed to the water tank 20, and the water tank 20 is larger in volume, making the installation of the heat exchanger more convenient.
In some embodiments, the housing 11 is provided with a mounting portion adapted to be fixed to the vehicle body, and by providing the mounting portion, the difficulty of mounting the housing 11 to the vehicle body is reduced, and the production efficiency is improved.
As shown in fig. 1, specifically, the at least one first switching channel 121 includes an inner-layer flow channel 1211 and two communication ports 1212, the inner-layer flow channel 1211 is disposed inside the valve core 12, the two communication ports 1212 are disposed on an outer peripheral wall of the valve core 12, two ends of the inner-layer flow channel 1211 are respectively communicated with the two communication ports 1212, and by disposing the inner-layer flow channel 1211, the space occupied by the valve core 12 is fully utilized, and the mode of switching the communication between the plurality of first connection valve ports 111 and the plurality of second connection valve ports 112 is increased, so as to increase adaptability to different vehicles 1000.
In some embodiments, the at least one first switching channel 121 includes an outer channel extending along the outer peripheral wall of the valve core 12, the outer channel is used to connect the water flow channel 1141 with one of the second connecting ports 112, and the number of selectable modes is further increased based on the inner channel 1211 provided in the valve core 12, so as to meet more various working demands.
The inner-layer flow channel 1211 is disposed inside the valve core 12 and can meet the requirement that the second connecting valve port 112 and the water flow channel 1141 are communicated under complex conditions, for example, the second connecting valve ports 112 and the water flow channels 1141 are combined into sixteen openings arranged 4X4, and the communication between the second connecting valve port 112 and the water flow channels 1141 on the diagonal line directly through the outer-layer flow channel on the peripheral wall of the valve core 12 necessarily affects the communication between the second connecting valve ports 112 and the water flow channels 1141 on two sides of the diagonal line, and by disposing the inner-layer flow channel 1211 inside the valve core 12, the problem can be avoided and the design difficulty of the valve core 12 is reduced.
In some embodiments, the water tank 20 is automatically replenished when the heat exchange medium changes, so as to avoid the change of the state of the heat exchange medium, and the specific principle can refer to the pet water compensator, which is not described herein.
In some embodiments, an automatic water replenishment valve is provided between the water tank 20 and the multi-channel switch valve 10.
Specifically, the automatic water supplementing valve comprises a valve main body, a liquid inlet cavity and a liquid outlet cavity which are positioned in the valve main body, a valve control cavity which is communicated with the liquid inlet cavity and the liquid outlet cavity, a valve rod positioned in the valve control cavity, a main valve flap which is penetrated on the valve rod and is closely matched with a valve seat, the valve control cavity is divided into a front cavity and a rear cavity by a diaphragm, the valve rod is arranged in a central hole of the diaphragm in a penetrating way and is fixedly connected with the diaphragm by a main valve clack and a fastener, and a booster spring is arranged on the valve rod positioned at the rear section of the diaphragm in a penetrating way; a liquid inlet pipe orifice and a liquid outlet pipe orifice are respectively arranged on the rear cavity of the valve control cavity and the cavity wall of the liquid inlet cavity of the valve main body, and the liquid inlet pipe orifice and the liquid outlet pipe orifice are communicated with the reversing valve through connecting pipelines; the operating device of the reversing valve is a link mechanism with a float arranged at the lower end. The connecting rod mechanism comprises a lifting rod, a control rod and a counterweight swing rod, wherein the tail end of the lifting rod is provided with a floater, and the counterweight swing rod is hinged with the supporting bottom plate; one end of the control rod is connected with a reversing valve arranged on the supporting bottom plate, and the other end of the control rod is hinged with the middle section of the lifting rod; one end of the counterweight swing rod is combined with the upper end of the lifting rod through a hinge shaft, and the other end of the counterweight swing rod is provided with a heavy hammer. In order to realize the stable opening and closing of the main valve clack without impact and vibration, an auxiliary valve clack with the diameter matched with the aperture of the valve seat and playing a damping role is arranged on the valve rod in front of the main valve clack.
One specific embodiment of a thermal management system 100 of the present invention is described below in conjunction with fig. 1-5.
A thermal management system 100 includes: the multi-channel switching valve 10, the water tank 20, the water pump 30, the control module 40 and the heat exchanger 50.
The multi-channel switching valve 10 includes a housing 11 and a spool 12.
The casing 11 is provided with two first connecting valve ports 111 and three second connecting valve ports 112, two first chambers, one second chamber 114 and two flow path channels 115 are arranged in the casing 11, the second chamber 114 is provided with two water flow channels 1141 communicated with the two first chambers, the two water flow channels 1141 are in one-to-one correspondence with the two first chambers, the two first connecting valve ports 111 are in one-to-one correspondence with the two first chambers, the three second connecting valve ports 112 are in communication with the second chamber 114, and the two flow path channels 115 are in one-to-one correspondence with the two first chambers. Wherein the flow path channel 115 is located outside the second chamber 114 and the lower end of the flow path channel 115 extends to communicate with the water flow channel 1141, and the flow path channel 115 extends to the top wall of the housing 11. Three second connecting ports 112 are provided on the front side of the housing 11, and two first connecting ports 111 are provided on the rear side of the housing 11.
The valve core 12 is rotatably disposed in the second chamber 114, the valve core 12 is provided with an inner layer flow channel 1211, a communication port 1212 and an outer layer flow channel, the inner layer flow channel 1211 is disposed in the valve core 12, the two communication ports 1212 are disposed on the outer peripheral wall of the valve core 12, two ends of the inner layer flow channel 1211 are respectively communicated with the two communication ports 1212, the two communication ports 1212 are suitable for communicating the water flow channel 1141 with one of the second connection valve ports 112, and the valve core 12 rotates to switch the water flow channel 1141 to communicate with at least two of the second connection valve ports 112. The outer flow passage extends along the outer peripheral wall of the valve core 12, and starts from communicating the water flow passage 1141 with one of the second connection valve ports 112, and the valve core 12 rotates to switch the water flow passage 1141 to communicate with at least two of the second connection valve ports 112.
The water tank 20 is a separate molded part, the water tank 20 is mounted on the housing 11 above the housing 11 and supported on the housing 11, and the water outlet of the water tank 20 is inserted into the flow path passage 115.
The two water pumps 30 are arranged on the shell 11, and are positioned on the left side and the right side of the shell 11, the two water pumps 30 correspond to the two first chambers, and the book pump operates to provide power corresponding to the flow of liquid in the first chambers.
The control module 40 is mounted on the housing 11 and below the housing 11, and the control module 40 is connected to the valve core 12 to drive the valve core 12 to rotate.
A heat exchanger 50 is fixed to the water tank 20 for temperature control of the heat exchange medium.
As shown in fig. 6, a vehicle 1000 according to an embodiment of the invention includes the thermal management system 100 described in any of the embodiments described above. Here, the vehicle 1000 may be a new energy vehicle, which may be a pure electric vehicle having an electric motor as a main driving force in some embodiments, and may be a hybrid vehicle having an internal combustion engine and an electric motor as both main driving forces in other embodiments. Regarding the internal combustion engine and the motor that supply driving power to the new energy vehicle mentioned in the above embodiments, the internal combustion engine may use gasoline, diesel oil, hydrogen gas, or the like as fuel, and the manner of supplying electric power to the motor may use a power battery, a hydrogen fuel cell, or the like, without being particularly limited thereto. The present invention is not limited to the above-described embodiments, and may be applied to any other embodiments.
According to the vehicle 1000 of the embodiment of the invention, by arranging the multi-channel switching valve 10, and integrating the water tank 20 and the water pump 30 on the shell 11 of the multi-channel switching valve 10, compared with the mode of a plurality of pipelines, a plurality of pipeline joints and a plurality of fixing brackets in the related art, the integration level is higher, the space utilization rate is improved, and the cost is reduced.
Other constructions and operations of the thermal management system 100 according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly, for distinguishing between the descriptive features, and not sequentially, and not lightly.
In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the description herein, reference to the term "embodiment," "example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.

Claims (13)

1. A thermal management system, comprising:
the multi-channel switching valve comprises a shell and a valve core, wherein the shell is provided with a first connecting valve port and a plurality of second connecting valve ports, a first chamber, a second chamber and a flow path channel are arranged in the shell, the second chamber is provided with a water flow channel communicated with the first chamber, the first connecting valve port is communicated with the first chamber, and the plurality of second connecting valve ports are communicated with the second chamber;
the valve core is rotatably arranged in the second cavity, the valve core is provided with at least one first switching channel, each first switching channel is suitable for being communicated with the water flow channel and one of the second connecting valve ports, and the valve core rotates to enable the water flow channel to be communicated with at least two second connecting valve ports in a switching way;
the water tank and the shell are independent molded parts, the water tank is assembled to the shell, a water outlet of the water tank is communicated with the flow path channel, and a heat exchange medium flowing out of the water tank flows to the first chamber or the second chamber;
a water pump mounted to the housing, the water pump operating to provide motive force for the flow of liquid within the first chamber.
2. The thermal management system of claim 1, wherein the plurality of water pumps are provided, one first chamber is provided for each water pump, each first chamber is in communication with the second chamber through the water flow passage, and each water flow passage is in switching communication with at least two second connecting valve ports through the first switching passage.
3. The thermal management system of claim 1, wherein the flow path channel is located outside of the second chamber and a lower end of the flow path channel extends into communication with the water flow channel.
4. The thermal management system of claim 1, wherein the outlet end of the flow path channel is located on an inner wall of the second chamber, the spool further being provided with a second switching channel, the spool rotating such that the second switching channel is in simultaneous communication with the flow path channel and the water flow channel, or such that the second switching channel is out of communication with at least one of the flow path channel and the water flow channel;
the water tank is provided with a water inlet facing the liquid injection in the water tank.
5. The thermal management system of claim 1, wherein the flow path channel extends to a top wall of the housing, the water tank is supported to the housing, and the water outlet is inserted into the flow path channel.
6. The thermal management system of claim 1, wherein the plurality of second connection ports are located on a same side of the housing.
7. The thermal management system of claim 6, wherein the first connection port and the second connection port are located on opposite sides of the housing.
8. The thermal management system of claim 1, further comprising a control module secured to the housing, the control module coupled to the valve spool to drive rotation of the valve spool.
9. The thermal management system of claim 8, wherein the control module and the water tank are distributed to opposite sides of the housing.
10. The thermal management system of claim 1, further comprising a heat exchanger secured to the housing and/or the water tank.
11. The thermal management system of claim 1, wherein the housing is provided with a mounting portion adapted to be secured to a vehicle body.
12. The thermal management system of any one of claims 1-11, wherein at least one of the first switching channels includes an inner flow passage provided inside the spool and two communication ports provided at an outer peripheral wall of the spool, both ends of the inner flow passage being respectively in communication with the two communication ports.
13. A vehicle characterized by comprising a thermal management system according to any of claims 1-12.
CN202210451650.2A 2022-04-26 2022-04-26 Thermal management system and vehicle Pending CN116985624A (en)

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US10665908B2 (en) * 2016-06-23 2020-05-26 Tesla, Inc. Heating and cooling reservoir for a battery powered vehicle
KR101936853B1 (en) * 2018-05-16 2019-01-09 지엠비코리아(주) Multiway valve apparatus
KR102115927B1 (en) * 2019-12-05 2020-05-27 주식회사 코렌스 Coolant control valve assembly
KR20220042669A (en) * 2020-09-28 2022-04-05 한온시스템 주식회사 Coolant control module
CN113829832A (en) * 2021-09-27 2021-12-24 浙江吉利控股集团有限公司 Thermal management system and vehicle
CN114043844A (en) * 2021-12-15 2022-02-15 常州德尔汽车零部件有限公司 Vehicle thermal management system
CN114198537B (en) * 2021-12-23 2024-02-20 博耐尔汽车电气系统有限公司 Integrated water valve mechanism

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