CN116624619A - Multi-way valve, thermal management system for vehicle and vehicle - Google Patents

Abstract

The invention discloses a multi-way valve, a thermal management system for a vehicle and the vehicle. The multi-way valve includes: the shell defines a central cavity, a plurality of liquid inlet channels and a plurality of liquid outlet channels, wherein the liquid inlet channels and the liquid outlet channels are communicated with the central cavity, the regulating assembly comprises a rotary valve core and a driver, the rotary valve core is at least partially arranged in the central cavity, a communication area is defined in the central cavity by the rotary valve core, the driver is used for driving the rotary valve core to rotate so as to regulate the position of the communication area and enable at least one liquid inlet channel to be communicated with at least one liquid outlet channel through the communication area, the multi-way valve has multiple states and can correspondingly regulate the flow path of cooling liquid according to requirements, the adjustable states of the multi-way valve are more, and the application range is wide.

Description

Multi-way valve, thermal management system for vehicle and vehicle

Technical Field

The invention relates to the technical field of vehicles, in particular to a multi-way valve, a thermal management system for a vehicle and the vehicle.

Background

In a thermal management system having a plurality of coolant flow paths, a valve is generally required to control the flow paths of the coolant, and in the related art, the valve is generally used to selectively connect one liquid inlet and one liquid outlet correspondingly, so that the valve has fewer adjustable states, single function and limited application range.

Disclosure of Invention

The present invention aims to solve, at least to some extent, one of the above technical problems in the prior art. Therefore, the invention provides the multi-way valve, which has more adjustable states and wide application range.

The invention also provides a thermal management system for a vehicle with the multi-way valve.

The invention further provides a vehicle with the thermal management system.

According to an embodiment of the invention, a multi-way valve includes: a housing defining a central chamber and a plurality of liquid inlet channels and a plurality of liquid outlet channels in communication with the central chamber; the adjusting assembly comprises a rotary valve core and a driver, the rotary valve core is at least partially arranged in the central cavity, a communication area is defined in the central cavity by the rotary valve core, and the driver is used for driving the rotary valve core to rotate so as to adjust the position of the communication area and enable at least one liquid inlet channel to be communicated with at least one liquid outlet channel through the communication area.

According to the multi-way valve provided by the embodiment of the invention, the driver can drive the rotary valve core to rotate so as to adjust the position of the communication area and enable at least one liquid inlet channel and at least one liquid outlet channel to be communicated through the communication area, the multi-way valve has various states and can correspondingly adjust the flow path of cooling liquid according to requirements, and the multi-way valve has more adjustable states and wide application range.

According to some embodiments of the invention, the central chamber is configured as a cylindrical cavity, and the plurality of liquid inlet channels and the plurality of liquid outlet channels are arranged at intervals along the circumferential direction of the central chamber.

Further, the rotary valve core comprises a valve core main body part and a power connection part which are connected, the power connection part is in transmission connection with the driver, the valve core main body part is arranged in the central cavity, the valve core main body part comprises a cylindrical section and a connection section which are connected in the axial direction of the central cavity, the outer peripheral surface of the cylindrical section is attached to the inner wall of the central cavity, and the connection section is in clearance with the inner wall of the central cavity to form the communication area.

Further, the number of the cylindrical sections is two, the two cylindrical sections are respectively arranged at two ends of the connecting section, and the two cylindrical sections are opposite.

According to another aspect of the present invention, a thermal management system for a vehicle includes: the multi-way valve comprises a plurality of liquid inlet channels, a plurality of liquid outlet channels and a plurality of liquid outlet channels, wherein the liquid inlet channels comprise a first liquid inlet channel and a second liquid inlet channel; a first flow path provided with a power assembly; a second flow path provided with a condenser; a heat dissipation flow path provided with a radiator; the device comprises a main flow path and a bypass flow path, wherein one end of the first flow path, one end of the second flow path, one end of the heat dissipation flow path and one end of the bypass flow path are all communicated with the main flow path, a first liquid inlet channel is communicated with the other end of the first flow path, a second liquid inlet channel is communicated with the other end of the second flow path, a first liquid outlet channel is communicated with the other end of the heat dissipation flow path, and a second liquid outlet channel is communicated with the other end of the bypass flow path.

According to the thermal management system for the vehicle, the adjusting component of the multi-way valve can adjust the position of the communication area so as to control at least one of the first flow path and the second flow path to be communicated with the heat dissipation flow path and/or the bypass flow path through the multi-way valve, so that the thermal management system can adjust the temperature of cooling liquid in the first cooling flow path and the second cooling flow path, the multi-way valve can realize the functions of a plurality of three-way valves, and occupied space of the thermal management system is reduced.

According to some embodiments of the invention, the first liquid inlet channel is disposed opposite to the second liquid inlet channel, and the first liquid outlet channel is disposed opposite to the second liquid outlet channel.

According to some embodiments of the invention, the first flow path includes a first branch and a second branch connected in parallel, the power assembly includes a front motor assembly and a rear motor assembly, the front motor assembly is disposed on the first branch, and the rear motor assembly is disposed on the second branch.

According to some embodiments of the invention, the power assembly further comprises an intercooler provided in the first branch.

According to some embodiments of the invention, the second branch is further provided with a DCDC module and/or an OBC module.

A vehicle according to an embodiment of a further aspect of the invention comprises a thermal management system for a vehicle as described above.

According to the vehicle provided by the embodiment of the invention, the position of the communication area can be regulated by the regulating component of the multi-way valve so as to control at least one of the first flow path and the second flow path to be communicated with the heat dissipation flow path and/or the bypass flow path through the multi-way valve, so that the regulation of the temperature of cooling liquid in the first cooling flow path and the second cooling flow path by the thermal management system is realized, the multi-way valve can realize the functions of a plurality of three-way valves, and the occupation space of the thermal management system is further reduced.

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

FIG. 1 is a perspective view of a multi-way valve according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a multi-way valve according to an embodiment of the present invention;

FIG. 3 is a perspective view of a rotary spool according to an embodiment of the present invention;

FIG. 4 is a front view of a rotary spool according to an embodiment of the present invention;

FIG. 5 is a cross-sectional view of a rotary spool according to an embodiment of the present invention;

FIG. 6 is a schematic illustration of a multi-way valve in a first state according to an embodiment of the invention;

FIG. 7 is a schematic illustration of a multi-way valve in a second state according to an embodiment of the invention;

FIG. 8 is a schematic illustration of a multi-way valve in a third state according to an embodiment of the invention;

FIG. 9 is a schematic illustration of a multi-way valve in a fourth state according to an embodiment of the invention;

FIG. 10 is a schematic illustration of a multi-way valve in a fifth state according to an embodiment of the invention;

FIG. 11 is a schematic illustration of a multi-way valve in a sixth state according to an embodiment of the invention;

FIG. 12 is a schematic view of a multi-way valve in a seventh state according to an embodiment of the invention;

FIG. 13 is a schematic illustration of a multi-way valve in an eighth state according to an embodiment of the invention;

FIG. 14 is a schematic diagram of a thermal management system according to an embodiment of the invention.

Reference numerals:

the multi-way valve 10, the housing 1, the center chamber 11, the communication area 111, the first liquid inlet passage 12, the first liquid inlet 121, the second liquid inlet 122, the second liquid inlet passage 13, the first liquid outlet passage 14, the second liquid outlet passage 15, the regulator assembly 2, the rotary spool 21, the spool body 211, the cylindrical section 2111, the connection section 2112, the power connection 212, the driver 22, the motor connector 221, the first flow path 20, the first branch 201, the second branch 202, the power assembly 203, the front motor body 2031, the front motor controller 2032, the rear motor body 2033, the rear motor controller 2034, the intercooler 2035, the DCDC module 204, the OBC module 205, the second flow path 30, the condenser 301, the heat dissipation flow path 40, the radiator 401, the main flow path 50, the water pump 501, the reservoir 502, the exhaust pipe 503, the bypass flow path 60, the thermal management system 100.

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 and intended to explain the present invention and should not be construed as limiting the invention.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may communicate with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

The multi-way valve 10, the thermal management system 100 for a vehicle, and the vehicle according to the embodiment of the present invention are described in detail below with reference to the accompanying drawings.

Referring to fig. 1-13, the multi-way valve 10 includes: the shell 1 and the adjusting component 2, wherein the shell 1 defines a central chamber 11 and a plurality of liquid inlet channels and a plurality of liquid outlet channels which are communicated with the central chamber 11, at least one liquid inlet can be arranged on each liquid inlet channel, at least one liquid outlet can be arranged on each liquid outlet channel, cooling liquid outside the multi-way valve 10 can flow into the liquid inlet channels through the liquid inlet, and cooling in the multi-way valve 10 can flow out through the liquid outlet of the liquid outlet channels.

The adjusting assembly 2 comprises a rotary valve core 21 and a driver 22, the rotary valve core 21 is at least partially arranged in the central chamber 11, the rotary valve core 21 defines a communication area 111 in the central chamber 11, the driver 22 is used for driving the rotary valve core 21 to rotate so as to adjust the position of the communication area 111 and enable at least one liquid inlet channel and at least one liquid outlet channel to be communicated through the communication area 111, so that the multi-way valve 10 can realize switching of a plurality of communication states, and the integration degree and the application range of the multi-way valve 10 are improved.

For example, referring to fig. 6-13, the multiple liquid inlet channels include a first liquid inlet channel 12 and a second liquid inlet channel 13, and the multiple liquid outlet channels include a first liquid outlet channel 14 and a second liquid outlet channel 15, the multi-way valve 10 has at least a first state, a second state, a third state, a fourth state, a fifth state, a sixth state, a seventh state, and an eighth state, wherein:

referring to fig. 6, in the first state of the multi-way valve 10, the rotary valve core 21 rotates to a first preset position, the communication area 111 communicates with the first liquid inlet channel 12 and the first liquid outlet channel 14, the cooling liquid in the first liquid inlet channel 12 can flow to the first liquid outlet channel 14 through the communication area 111, and the second liquid inlet channel 13, the second liquid outlet channel 15 and the communication area 111 are not communicated with each other.

Referring to fig. 7, in the second state of the multi-way valve 10, the rotary valve core 21 rotates to the second preset position, the communication area 111 communicates with the first liquid inlet channel 12 and the second liquid outlet channel 15, the cooling liquid in the first liquid inlet channel 12 can flow to the second liquid outlet channel 15 through the communication area 111, and the second liquid inlet channel 13, the first liquid outlet channel 14 and the communication area 111 are not communicated with each other.

Referring to fig. 8, in the third state of the multi-way valve 10, the rotary valve core 21 rotates to a third preset position, the communication area 111 communicates with the second liquid inlet channel 13 and the first liquid outlet channel 14, the cooling liquid in the second liquid inlet channel 13 can flow to the first liquid outlet channel 14 through the communication area 111, and the first liquid inlet channel 12, the second liquid outlet channel 15 and the communication area 111 are not communicated with each other.

Referring to fig. 9, in the fourth state of the multi-way valve 10, the rotary valve core 21 rotates to a fourth preset position, the communication area 111 communicates the second liquid inlet channel 13 and the second liquid outlet channel 15, the cooling liquid in the second liquid inlet channel 13 can flow to the second liquid outlet channel 15 through the communication area 111, and the first liquid inlet channel 12, the first liquid outlet channel 14 and the communication area 111 are not communicated with each other.

Referring to fig. 10, in the fifth state of the multi-way valve 10, the rotary valve core 21 rotates to a fifth preset position, the communication area 111 communicates with the first liquid inlet channel 12, the first liquid outlet channel 14 and the second liquid outlet channel 15, the cooling liquid in the first liquid inlet channel 12 can flow to the first liquid outlet channel 14 and the second liquid outlet channel 15 through the communication area 111, and the second liquid inlet channel 13 and the communication area 111 are not communicated with each other.

Referring to fig. 11, in the sixth state of the multi-way valve 10, the rotary valve core 21 rotates to a sixth preset position, the communication area 111 communicates with the second liquid inlet channel 13, the first liquid outlet channel 14 and the second liquid outlet channel 15, the cooling liquid in the second liquid inlet channel 13 can flow to the first liquid outlet channel 14 and the second liquid outlet channel 15 through the communication area 111, and the first liquid inlet channel 12 and the communication area 111 are not communicated with each other.

Referring to fig. 12, in the seventh state of the multi-way valve 10, the rotary valve core 21 rotates to a seventh preset position, the communication area 111 communicates with the first liquid inlet channel 12, the second liquid inlet channel 13 and the first liquid outlet channel 14, the cooling liquid in the first liquid inlet channel 12 and the second liquid inlet channel 13 can flow to the first liquid outlet channel 14 through the communication area 111, and the second liquid outlet channel 15 and the communication area 111 are not communicated with each other.

Referring to fig. 13, in the eighth state of the multi-way valve 10, the rotary valve core 21 rotates to an eighth preset position, the communication area 111 communicates with the first liquid inlet channel 12, the second liquid inlet channel 13 and the second liquid outlet channel 15, the cooling liquid in the first liquid inlet channel 12 and the second liquid inlet channel 13 can flow to the second liquid outlet channel 15 through the communication area 111, and the first liquid outlet channel 14 and the communication area 111 are not communicated with each other.

It should be noted that, when at least one liquid inlet channel is in communication with more than two liquid outlet channels, the multi-way valve 10 can split the cooling liquid flowing out of the multi-way valve 10, and when the multi-way valve 10 is used in the thermal management system 100 of a vehicle, the multi-way valve 10 in this state can implement both large circulation and small circulation.

According to the multi-way valve 10 of the embodiment of the invention, the driver 22 can drive the rotary valve core 21 to rotate so as to adjust the position of the communication area 111 and enable at least one liquid inlet channel and at least one liquid outlet channel to be communicated through the communication area 111, the multi-way valve 10 has various states and can correspondingly adjust the flow path of the cooling liquid according to the requirement, and the multi-way valve 10 has more adjustable states and wide application range.

In some embodiments of the present invention, referring to fig. 1, 2 and 6, the central chamber 11 is configured as a cylindrical cavity, a plurality of liquid inlet channels and a plurality of liquid outlet channels are arranged at intervals along the circumferential direction of the central chamber 11, the communication area 111 can communicate with adjacent liquid inlet channels and liquid outlet channels, and at the same time, when the rotary valve core 21 rotates, the liquid inlet channels and the liquid outlet channels communicated by the communication area 111 can be changed to realize the state switching of the multi-way valve 10.

In some embodiments of the present invention, the number of the liquid inlet channels and the number of the liquid outlet channels are the same, and the liquid inlet channels and the liquid outlet channels are alternately arranged at intervals along the circumferential direction of the central chamber 11, so that when the communication area 111 communicates more than two channels, at least one channel is a liquid inlet channel and at least one channel is a liquid outlet channel, so as to ensure that the cooling liquid smoothly flows in the multi-way valve 10.

In some embodiments of the present invention, referring to fig. 1-6, the rotary valve core 21 includes a valve core main body 211 and a power connection portion 212 connected to each other, the power connection portion 212 is in driving connection with the driver 22, and the driver 22 can drive the power connection portion 212 to rotate the valve core main body 211.

The valve core main body 211 is disposed in the central chamber 11, in the axial direction of the central chamber 11, the valve core main body 211 includes a cylindrical section 2111 and a connecting section 2112 which are connected, the outer circumferential surface of the cylindrical section 2111 is attached to the inner wall of the central chamber 11, the inner wall of the central chamber 11 can support the cylindrical section 2111 to ensure the stability of the rotary valve core 21, the connecting section 2112 has a gap with the inner wall of the central chamber 11 to form a communicating area 111, it is understood that the cross-sectional area of the connecting section 2112 is smaller than the cross-sectional area of the cylindrical section 2111, the cross-sectional shape of the cylindrical section 2111 can be circular, and the cross-sectional shape of the connecting section 2112 can be fan-shaped to form a communicating area 111 between the connecting section 2112 and the central chamber 11, which can communicate at least one liquid inlet channel and at least one liquid outlet channel.

In some embodiments of the present invention, the projection of the cylindrical section 2111 in the axial direction of the central chamber 11 is circular, the projection of the connecting section 2112 in the axial direction of the central chamber 11 is semicircular, the centers of the circles of the cylindrical section 2111 and the semicircular projection of the connecting section 2112 coincide and have the same radius, and the non-coinciding area of the semicircular projection of the connecting section 2112 and the circular projection of the cylindrical section 2111 corresponds to the communication area 111.

In some embodiments of the present invention, a cylindrical section 2111 is provided at one end of the connection section 2112 in the axial direction of the central chamber 11 to ensure stability of the spool body 211 when rotated.

In other embodiments of the present invention, referring to fig. 3, two cylindrical sections 2111 are provided, the two cylindrical sections 2111 are respectively disposed at two ends of the connection section 2112, and the two cylindrical sections 2111 are opposite, that is, the two ends of the connection section 2112 in the axial direction of the central chamber 11 are connected with one cylindrical section 2111, the two cylindrical sections 2111 attached to the inner wall of the central chamber 11 can support the connection section 2112 to improve the stability of the valve core main body 211 during rotation, avoid the valve core main body 211 from tilting during rotation, and simultaneously, avoid the connection section 2112 from tilting and swaying under the impact of the cooling liquid when the cooling liquid flows through the communication area 111, so as to ensure the coaxiality of the valve core main body 211 and the central chamber, thereby improving the reliability and service life of the rotary valve core 21.

Optionally, a transition connection section may be provided between the cylindrical section 2111 and the connection section 2112, and the transition connection section may smoothly connect the cylindrical section 2111 and the connection section 2112 to reduce stress concentration and improve the service life of the spool body 211.

In some embodiments of the present invention, the driver 22 includes a driving motor and a reduction gear set, the power connection part 212 is configured as a gear shaft, the motor is engaged with an input gear of the reduction gear set, the gear shaft is engaged with an output gear of the reduction gear set, and power output from the driving motor is reduced by the reduction gear set to increase torque and then drive the gear shaft to rotate, thereby driving the valve core main body part 211 to rotate.

Referring to fig. 1 to 14, a thermal management system 100 for a vehicle according to another aspect of the present invention includes a multi-way valve 10, a first flow path 20, a second flow path 30, a heat dissipation flow path 40, a main flow path 50, and a bypass flow path 60, the multi-way valve 10 is the multi-way valve 10 of the above embodiment, a plurality of liquid inlet passages include a first liquid inlet passage 12 and a second liquid inlet passage 13, a plurality of liquid outlet passages include a first liquid outlet passage 14 and a second liquid outlet passage 15, the first flow path 20 is provided with a power assembly 203, a coolant in the first flow path 20 may be used to warm the power assembly 203, the power assembly 203 may be used to provide driving force to the vehicle, the second flow path 30 is provided with a condenser 301, the condenser 301 is a liquid cooled condenser, the coolant in the second flow path 30 may be used to warm the condenser 301, the heat dissipation flow path 40 is provided with a radiator 401, and the coolant in the heat dissipation flow path 40 may be cooled by the radiator 401.

Wherein, one end of the first flow path 20, one end of the second flow path 30, one end of the heat dissipation flow path 40 and one end of the bypass flow path 60 are all communicated with the main flow path 50, the first liquid inlet channel 12 is communicated with the other end of the first flow path 20, the second liquid inlet channel 13 is communicated with the other end of the second flow path 30, the first liquid outlet channel 14 is communicated with the other end of the heat dissipation flow path 40, and the second liquid outlet channel 15 is communicated with the other end of the bypass flow path 60, thereby, at least one of the first flow path 20 and the second flow path 30 is communicated with the heat dissipation flow path 40 and/or the bypass flow path 60 through the multi-way valve 10, and thereby, the adjustment of the temperature of the cooling liquid in the first cooling flow path and the second cooling flow path by the thermal management system 100 is realized, so that the power assembly 203 and the condenser 301 work in an optimal working temperature interval.

It will be appreciated that the power assembly 203 generates heat to heat the cooling fluid in the first flow path 20 when working, the condenser 301 generates heat to heat the cooling fluid in the second flow path 30 when working, the radiator 401 on the heat dissipation flow path 40 can reduce the temperature of the cooling fluid in the heat dissipation flow path 40, the bypass flow path 60 can reduce the heat loss of the cooling fluid therein, the cooling fluid in the first flow path 20 can flow to the heat dissipation flow path 40 through the multi-way valve 10 to perform heat dissipation, the cooling fluid in the first flow path 20 can also flow to the bypass flow path 60 through the multi-way valve 10 to perform heat dissipation, the cooling fluid in the second flow path 30 can also flow to the heat dissipation flow path 40 through the multi-way valve 10 to perform heat dissipation, the multi-way valve 10 can adjust the state of the multi-way valve 10 in real time according to the requirements of the parts on the first flow path 20 and the second flow path 30, so as to realize precise control of flow and avoid energy waste.

According to the thermal management system 100 for a vehicle of the embodiment of the invention, the adjusting component 2 of the multi-way valve 10 can adjust the position of the communication area 111 to control at least one of the first flow path 20 and the second flow path 30 to communicate with the heat dissipation flow path 40 and/or the bypass flow path 60 through the multi-way valve 10, so as to adjust the temperature of the cooling liquid in the first cooling flow path and the second cooling flow path by the thermal management system 100, and the multi-way valve 10 can realize the functions of a plurality of three-way valves, thereby being beneficial to reducing the occupied space of the thermal management system 100.

In some embodiments of the present invention, referring to fig. 14, the main flow path 50 is provided with a water pump 501 and a reservoir 502, the reservoir 502 being used to supplement the main flow path 50 with the coolant, and the water pump 501 being used to pump the coolant in the main flow path 50 in the direction of the first flow path 20 and the second flow path 30.

In some embodiments of the present invention, the first liquid inlet channel 12 is disposed opposite to the second liquid inlet channel 13, the first liquid outlet channel 14 is disposed opposite to the second liquid outlet channel 15, such that the rotary valve core 21 mixes the cooling liquid in the first liquid inlet channel 12 and the second liquid inlet channel 13, and the rotary valve core 21 splits the cooling liquid to the first liquid outlet channel 14 and the second liquid outlet channel 15. Optionally, the first liquid inlet channel 12 and the second liquid inlet channel 13 extend along a first axis and are disposed opposite to each other, and the first liquid outlet channel 14 and the second liquid outlet channel 15 extend along a second axis and are disposed opposite to each other, where the first axis intersects the second axis in the central chamber 11, and the first axis is perpendicular to the second axis.

In some embodiments of the present invention, referring to fig. 14, the first flow path 20 includes a first branch 201 and a second branch 202 connected in parallel, the power assembly 203 includes a front motor assembly and a rear motor assembly, the front motor assembly is disposed on the first branch 201, the rear motor assembly is disposed on the second branch 202, and the front motor assembly and the rear motor assembly are disposed on the first branch 201 and the second branch 202 connected in parallel, respectively, so as to reduce the resistance of the cooling liquid when flowing through the first flow path 20, and reduce the power requirement of the heat management system 100 on the water pump 501.

Referring to fig. 14, the front motor assembly includes a front motor body 2031 and a front motor controller 2032, the front motor controller 2032 for controlling the front motor body 2031 to drive the front wheels of the vehicle, and the rear motor assembly includes a rear motor body 2033 and a rear motor controller 2034, and the rear motor controller 2034 for controlling the rear motor body 2033 to drive the rear wheels of the vehicle.

Referring to fig. 6-14, the first liquid inlet channel 12 has a first liquid inlet 121 and a second liquid inlet 122 that are in communication, the first liquid inlet 121 is in communication with the first branch 201, and the second liquid inlet 122 is in communication with the second branch 202.

In some embodiments of the present invention, referring to fig. 14, the power assembly 203 further includes an intercooler 2035, where the intercooler 2035 is disposed in the first branch 201, and for a vehicle with a front-mounted engine, the intercooler 2035 and the front motor assembly are disposed in the first branch 201, so that the length of the first branch 201 can be reduced, and meanwhile, the flow of the cooling liquid on the first branch 201 may be 10L/min when the flow of the cooling liquid is required by the intercooler 2035 and the front motor assembly.

In some embodiments of the present invention, referring to fig. 14, an exhaust line 503 is further connected between the intercooler 2035 and the liquid storage pot 502 to exhaust the coolant vaporized in the intercooler 2035.

In some embodiments of the present invention, referring to fig. 14, the second branch 202 is further provided with a DCDC (direct current) -direct current) module 204 and/or an OBC (on-board charger) module 205, that is, the second branch 202 is further provided with the DCDC module 204 or the OBC module 205, or the second branch 202 is further provided with the DCDC module 204 and the OBC module 205, the DCDC module 204 can convert high-voltage direct current output by the power battery into low-voltage direct current, the OBC module 205 can convert alternating current into direct current required by the power battery, and determines charging power and efficiency of the power battery, both the DCDC module 204 and the OBC module 205 generate heat during operation, heat needs to be dissipated, the DCDC module 204 and the OBC module 205 are usually disposed at the rear end of the vehicle, both the DCDC module 204 and/or the OBC module 205 and the rear motor module are disposed at the second branch 202, the length of the second branch 202 can be reduced, and meanwhile, the requirements of the rear motor module 204 and the OBC module 205 for the flow of the cooling liquid can be 8L/min.

Referring to fig. 14, in the second branch 202, the DCDC module 204 and the OBC module 205 are provided at the upstream end of the rear motor assembly, and in the first branch 201, the intercooler 2035 is provided at the upstream end of the front motor assembly, so that the DCDC module 204, the OBC module 205, and the intercooler 2035, which are sensitive to the temperature of the coolant, are in an optimum operation temperature interval.

In some embodiments of the present invention, the controller is further included, the controller is communicatively connected to the driver 22, the driver 22 may be provided with a motor connector 221, the controller is communicatively connected to the driver 22 through the motor connector 221, and the controller is configured to control the driver 22 to drive the rotary valve core 21 to rotate to a corresponding preset position according to the temperature of the cooling liquid in the first flow path 20 and/or the second flow path 30, and each preset position may enable the multi-way valve 10 to communicate with different liquid inlet channels and liquid outlet channels, so as to control the flow path of the cooling liquid in the thermal management system 100. The controller may be a vehicle controller, and the vehicle controller may obtain the temperatures of the cooling liquid in the first flow path 20 and the second flow path 30 through temperature sensors on the first flow path 20 and the second flow path 30.

When the power assembly 203 is in operation and the condenser 301 is not in operation (i.e. the air conditioner is not turned on after the vehicle is started), the controller is configured to control the driver 22 to drive the rotary valve core 21 to rotate to a corresponding preset position according to the temperature of the cooling liquid in the first flow path 20, wherein:

referring to fig. 7 and 14, when the temperature of the cooling fluid in the first flow path 20 is equal to or less than the first preset threshold value, the controller controls the driver 22 to drive the rotary valve core 21 to rotate to the second preset position, the communication area 111 communicates the first fluid inlet passage 12 and the second fluid outlet passage 15, that is, the multi-way valve 10 communicates the first flow path 20 and the bypass flow path 60, and the cooling fluid in the thermal management system 100 forms a small circulation among the main flow path 50, the first flow path 20, and the bypass flow path 60 to achieve rapid warm-up of the power assembly 203 in winter.

Referring to fig. 10 and 14, when the temperature of the cooling liquid in the first flow path 20 is greater than the first preset threshold value and less than or equal to the second preset threshold value, the controller controls the driver 22 to drive the rotary valve core 21 to rotate to the fifth preset position, the communication area 111 communicates the first liquid inlet channel 12, the first liquid outlet channel 14 and the second liquid outlet channel 15, that is, the multi-way valve 10 communicates the first flow path 20, the heat dissipation flow path 40 and the bypass flow path 60, the cooling liquid in the thermal management system 100 is split at the multi-way valve 10 after flowing through the main flow path 50 and the first flow path 20, a part of the cooling liquid flows back to the main flow path 50 through the heat dissipation flow path 40, and another part of the cooling liquid flows back to the main flow path 50 through the bypass flow path 60, so that the cooling liquid in the thermal management system 100 forms a small cycle and a large cycle, to reduce the fluctuation in the cooling liquid temperature at the time of switching.

Referring to fig. 6 and 14, when the temperature of the cooling fluid in the first flow path 20 is greater than the second preset threshold value, the controller controls the driver 22 to drive the rotary valve core 21 to rotate to the first preset position, the communication area 111 communicates the first fluid inlet channel 12 and the first fluid outlet channel 14, that is, the multi-way valve 10 communicates the first flow path 20 and the heat dissipation flow path 40, and the cooling fluid in the thermal management system 100 forms a large circulation among the main flow path 50, the first flow path 20 and the heat dissipation flow path 40, so as to avoid the too high temperature of the cooling fluid.

When the power assembly 203 is not in operation and the condenser 301 is in operation (i.e. when the air conditioner is turned on after the vehicle is powered on), the controller is configured to control the driver 22 to drive the rotary valve core 21 to rotate to a corresponding preset position according to the temperature of the coolant in the second flow path 30, wherein:

referring to fig. 9 and 14, when the temperature of the coolant in the second flow path 30 is equal to or less than the third preset threshold value, the controller controls the driver 22 to drive the rotary spool 21 to rotate to the fourth preset position.

Referring to fig. 11 and 14, when the temperature of the coolant in the second flow path 30 is greater than the third preset threshold value and less than or equal to the fourth threshold value, the controller controls the driver 22 to drive the rotary valve core 21 to rotate to the sixth preset position.

Referring to fig. 8 and 14, when the temperature of the coolant in the second flow path 30 is greater than the fourth threshold value, the controller controls the driver 22 to drive the rotary spool 21 to rotate to the third preset position.

When the power assembly 203 and the condenser 301 are simultaneously operated (i.e. the vehicle is started and the air conditioner is turned on), the controller is configured to control the driver 22 to drive the rotary valve core 21 to rotate to a corresponding preset position according to the temperature of the cooling liquid in the first flow path 20 and the second flow path 30, wherein:

referring to fig. 13 and 14, when the temperature of the cooling liquid in the first flow path 20 is equal to or less than the first preset threshold value and the temperature of the cooling liquid in the second flow path 30 is equal to or less than the third preset threshold value, the rotary valve core 21 is rotated to the eighth preset position, the communication area 111 communicates the first liquid inlet passage 12, the second liquid inlet passage 13 and the second liquid outlet passage 15, and the cooling liquid in the first flow path 20 and the second flow path 30 flows back to the main flow path 50 through the bypass flow path 60 after being mixed by the multi-way valve 10, which can be used for temporary defogging in a low temperature state.

Referring to fig. 12 and 14, when the temperature of the cooling liquid in the first flow path 20 is greater than the first preset threshold value or the temperature of the cooling liquid in the second flow path 30 is greater than the third preset threshold value, the rotary valve core 21 is rotated to the seventh preset position, the communication area 111 communicates the first liquid inlet passage 12, the second liquid inlet passage 13, and the first liquid outlet passage 14, the cooling liquid in the first flow path 20 and the second flow path 30 flows back to the main flow path 50 through the heat dissipation flow path 40 after being mixed by the multi-way valve 10, and the thermal management system 100 is operated at the maximum load.

A vehicle according to an embodiment of a further aspect of the invention includes the thermal management system 100 for a vehicle of the above-described embodiment.

According to the vehicle of the embodiment of the invention, the adjusting component 2 of the multi-way valve 10 can adjust the position of the communication area 111 to control at least one of the first flow path 20 and the second flow path 30 to communicate with the heat dissipation flow path 40 and/or the bypass flow path 60 through the multi-way valve 10, so as to adjust the temperature of the cooling liquid in the first cooling flow path and the second cooling flow path by the thermal management system 100, and the multi-way valve 10 can realize the functions of a plurality of three-way valves, thereby being beneficial to reducing the occupied space of the thermal management system 100.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," 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 present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Further, one skilled in the art can engage and combine the different embodiments or examples described in this specification.

While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.

Claims (10)

1. A multi-way valve, comprising:

a housing defining a central chamber and a plurality of liquid inlet channels and a plurality of liquid outlet channels in communication with the central chamber;

the adjusting assembly comprises a rotary valve core and a driver, the rotary valve core is at least partially arranged in the central cavity, a communication area is defined in the central cavity by the rotary valve core, and the driver is used for driving the rotary valve core to rotate so as to adjust the position of the communication area and enable at least one liquid inlet channel to be communicated with at least one liquid outlet channel through the communication area.

2. The multi-way valve according to claim 1, wherein the central chamber is configured as a cylindrical cavity, and the plurality of liquid inlet passages and the plurality of liquid outlet passages are arranged at intervals along the circumferential direction of the central chamber.

3. The multi-way valve according to claim 2, wherein the rotary valve core comprises a valve core main body part and a power connection part which are connected, the power connection part is in transmission connection with the driver, the valve core main body part is arranged in the central chamber, the valve core main body part comprises a cylindrical section and a connection section which are connected in the axial direction of the central chamber, the outer peripheral surface of the cylindrical section is attached to the inner wall of the central chamber, and a gap is formed between the connection section and the inner wall of the central chamber to form the communication area.

4. A multi-way valve according to claim 3, wherein the number of the cylindrical sections is two, the two cylindrical sections are respectively arranged at two ends of the connecting section, and the two cylindrical sections are opposite.

5. A thermal management system for a vehicle, comprising:

a multi-way valve according to any one of claims 1-4, wherein the plurality of liquid inlet channels comprises a first liquid inlet channel and a second liquid inlet channel, and the plurality of liquid outlet channels comprises a first liquid outlet channel and a second liquid outlet channel;

a first flow path provided with a power assembly;

a second flow path provided with a condenser;

a heat dissipation flow path provided with a radiator;

the device comprises a main flow path and a bypass flow path, wherein one end of the first flow path, one end of the second flow path, one end of the heat dissipation flow path and one end of the bypass flow path are all communicated with the main flow path, a first liquid inlet channel is communicated with the other end of the first flow path, a second liquid inlet channel is communicated with the other end of the second flow path, a first liquid outlet channel is communicated with the other end of the heat dissipation flow path, and a second liquid outlet channel is communicated with the other end of the bypass flow path.

6. The thermal management system for a vehicle of claim 5, wherein the first liquid inlet channel is disposed opposite the second liquid inlet channel and the first liquid outlet channel is disposed opposite the second liquid outlet channel.

7. The thermal management system for a vehicle of claim 5, wherein the first flow path includes a first leg and a second leg in parallel, the power assembly includes a front motor assembly and a rear motor assembly, the front motor assembly is disposed in the first leg, and the rear motor assembly is disposed in the second leg.

8. The thermal management system for a vehicle of claim 7, wherein the power assembly further comprises an intercooler, the intercooler being disposed in the first branch.

9. The thermal management system for a vehicle of claim 7, wherein the second leg is further provided with a DCDC module and/or an OBC module.

10. A vehicle characterized by comprising a thermal management system for a vehicle according to any of claims 5-9.