CN117366282A - Eleven-way valve, vehicle thermal management system and vehicle - Google Patents

Abstract

The disclosure relates to the technical field of thermal management, and provides an eleven-way valve, a vehicle thermal management system and a vehicle. The eleven-way valve comprises a valve shell and a valve core rotatably arranged in the valve shell, wherein eleven valve ports are arranged on the valve shell and are arranged in two rows in the axial direction of the valve shell in a mode of 5 multiplied by 2+1, five groups of runner grooves are formed in the valve core, and the five runner grooves are respectively communicated with the eleven valve ports to form five working modes. The arrangement of the valve ports enables the circumferential dimension of the valve core to be larger, and improves the circulation efficiency; the runner grooves are all communicated up and down or left and right adjacently, so that the processing difficulty is reduced; the valve port position of No. 12 is reserved, so that the valve core design has an expansion function. The vehicle thermal management system replaces the traditional tee joints and the four joints with the multi-way valve, can greatly save cost, has simple control logic and can reduce the risk of leakage of fluid working media. The vehicle adopting the thermal management system can leave more other available space, and improves the comfort of the vehicle; and the thermal management operation can be safely and stably operated.

Description

Eleven-way valve, vehicle thermal management system and vehicle

Technical Field

The disclosure relates to the technical field of thermal management, in particular to an eleven-way valve, a vehicle thermal management system and a vehicle.

Background

In the cooling liquid circulation loop of the existing heat pump air conditioning system, a one-way valve, a three-way valve, a four-way valve and other valve bodies are generally adopted to control the flowing direction and flow rate of cooling liquid. In order to realize the switching between different circulation loops and meet the fine control requirement, the switching is usually realized by means of the cooperation of a plurality of three-way valves and a plurality of four-way valves. However, the implementation mode of adopting a plurality of valve bodies has the problems of high use cost, complex control program, complex assembly, large occupied space, low mode switching reaction speed, large leakage risk and the like.

Disclosure of Invention

In order to solve the technical problems, the invention provides an eleven-way valve, a vehicle thermal management system and a vehicle.

The eleven-way valve comprises a valve shell and a valve core rotatably arranged in the valve shell, wherein eleven valve ports are arranged on the valve shell, and are respectively a first valve port, a second valve port, a third valve port, a fourth valve port, a fifth valve port, a sixth valve port, a seventh valve port, an eighth valve port, a ninth valve port, a tenth valve port and an eleventh valve port; along the first axial direction of the valve housing, the ninth valve port, the sixth valve port, the seventh valve port, the tenth valve port and the fifth valve port are sequentially arranged, and the eighth valve port, the third valve port, the second valve port, the first valve port, the fourth valve port and the eleventh valve port are sequentially arranged; along the circumferential direction of the valve housing, the ninth valve port is adjacent to the eighth valve port, the sixth valve port is adjacent to the third valve port, the seventh valve port is adjacent to the second valve port, the tenth valve port is adjacent to the first valve port, and the fifth valve port is adjacent to the fourth valve port;

the valve core is provided with a plurality of runner grooves which are divided into five groups in the circumferential direction of the valve core, the five groups of runner grooves are respectively communicated with a plurality of valve ports, at least part of runner grooves are communicated with each other two by two, so that the five groups of runner grooves are respectively communicated with the plurality of valve ports to form five working modes, the valve core can realize the switching of the five working modes by rotating in the valve shell,

mode one is: the fifth valve port is communicated with the fourth valve port, the tenth valve port is communicated with the first valve port, the seventh valve port is communicated with the second valve port, the sixth valve port is communicated with the third valve port, and the ninth valve port is communicated with the eighth valve port;

the second mode is: the fifth valve port is communicated with the fourth valve port, the tenth valve port is communicated with the seventh valve port, the first valve port is communicated with the second valve port, the sixth valve port is communicated with the third valve port, and the ninth valve port is communicated with the eighth valve port;

the third mode is: the fifth valve port is communicated with the fourth valve port, the first valve port is communicated with the second valve port, the seventh valve port is communicated with the sixth valve port, and the third valve port is communicated with the eighth valve port;

the fourth mode is: the fifth valve port is communicated with the tenth valve port, the fourth valve port is communicated with the first valve port, the seventh valve port is communicated with the sixth valve port, the second valve port is communicated with the third valve port, and the ninth valve port is communicated with the eighth valve port;

the fifth mode is: the eleventh valve port is communicated with the fourth valve port, the fifth valve port is communicated with the tenth valve port, the first valve port is communicated with the second valve port, the seventh valve port is communicated with the sixth valve port, and the ninth valve port is communicated with the eighth valve port.

The axial direction of the valve ports is two rows, the whole length direction of the valve ports is matched with the axial direction of the valve casing, and the width direction of the whole narrower valve ports is matched with the circumferential direction of the valve casing. Correspondingly, the narrower width direction of each group of runner grooves is also suitable for the circumferential direction of the valve core, that is, the size space occupied by each group of runner grooves in the circumferential direction is smaller, and then the size of each runner groove in the circumferential direction of the valve core can be made larger under the same valve core diameter, so that the multi-way valve has higher circulation efficiency. All the mode working conditions are realized by communicating the upper and lower adjacent runner grooves or the left and right adjacent runner grooves, and jump points do not exist, so that the processing difficulty of the runner grooves is reduced. In addition, the valve core is arranged in two rows in the axial direction of the valve casing in a 5 multiplied by 2+1 mode, and the position of the No. 12 valve port is reserved on the outlet structure, so that the valve port design of the valve core has an expansion function, and the valve core has the possibility of modification and upgrading.

Optionally, the valve further comprises a motor, the motor is connected with the valve housing, a connecting portion is arranged on the valve core, the motor is connected with the connecting portion, and the motor is used for driving the valve core to rotate relative to the valve housing.

Optionally, a valve end cover is arranged at one end of the valve casing corresponding to the motor, the motor is arranged at one side of the valve end cover, which is opposite to the valve core, and the telescopic connecting part penetrates through the valve end cover and is connected with the motor; the valve end cover is provided with a first limiting part towards one side of the valve core, the valve core is provided with a second limiting part corresponding to the first limiting part, and the first limiting part is used for forming limiting fit with the second limiting part when the valve core rotates to a set position relative to the valve shell.

Optionally, the first limiting portion is in surface contact with the second limiting portion.

Optionally, a sealing plate is arranged between the valve casing and the valve core, and mesh openings corresponding to the valve ports are arranged on the sealing plate.

Optionally, the interval between two adjacent groups of runner grooves is 72 °.

The present disclosure also provides a vehicle thermal management system comprising a fluid heat exchange unit comprising a first heat exchange device, a warm air core, a radiator, a motor heat exchange passage, a second heat exchange device, a battery heat exchange passage, and an eleven-way valve as described above, the first heat exchange device being in series with the warm air core to form a first series passage, the first heat exchange device being adapted to absorb thermal energy from a refrigerant, the second heat exchange device being adapted to release thermal energy to the refrigerant;

the first valve port and the second valve port are communicated with two ends of the first serial connection passage, the tenth valve port and the ninth valve port are respectively communicated with two ends of the radiator, the eighth valve port and the seventh valve port are respectively communicated with two ends of the motor heat exchange passage, the sixth valve port and the fifth valve port are respectively communicated with two ends of the second heat exchange device, the fourth valve port is communicated with one end of the battery heat exchange passage, and the third valve port and the eleventh valve port are both communicated with the other end of the battery heat exchange passage.

According to the vehicle thermal management system, the eleven-way valve with the special valve core design and the interface arrangement form meets the use requirements of five or below specific working modes of vehicle thermal management, and compared with the implementation mode of utilizing a plurality of three-way valves and four-way valves, the vehicle thermal management system can greatly save cost, and is simple in control logic and convenient to control; the system connection can be simpler through the modularized design, and the installation space is greatly saved; in addition, as the nine-way valve adopts a plane sealing structure, the risk of leakage of fluid working medium can be reduced.

Optionally, the heat exchange fluid of the fluid heat exchange unit is water.

Optionally, the refrigerant is carbon dioxide.

Optionally, the first heat exchange device is a cooling water type gas cooler or a water cooling condenser.

Optionally, the second heat exchange device is a plate heat exchanger or a fin heat exchanger.

The present disclosure also provides a vehicle including a vehicle thermal management system as described above. The vehicle has a vehicle thermal management system as described above. The characteristic that the heat management system occupies small space is utilized, so that other available space of the vehicle can be increased, and the comfort of the vehicle is improved; in addition, the adopted thermal management system has simple control logic and low risk of leakage of working media, so that the thermal management of the vehicle can be safely and stably operated.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure.

In order to more clearly illustrate the embodiments of the present disclosure or the solutions in the prior art, the drawings that are required for the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.

FIG. 1 is an exploded view of an eleven-way valve of an embodiment of the present disclosure;

FIG. 2 is a combination diagram of an eleven-way valve of an embodiment of the present disclosure;

FIG. 3 is a schematic illustration of a valve cartridge of an embodiment of the present disclosure;

FIG. 4 is a schematic illustration of a valve end cap of an embodiment of the present disclosure;

FIG. 5 is an axial view of an eleven-way valve of an embodiment of the present disclosure;

FIG. 6 is a cross-sectional view taken along the direction A-A in FIG. 5;

FIG. 7 is a schematic illustration of a fluid heat exchange unit according to an embodiment of the present disclosure;

FIG. 8 is a schematic diagram of a valve element corresponding to a first on-state relationship in an embodiment of the present disclosure;

FIG. 9 is a schematic diagram of a fluid heat exchange unit in a mode of embodiment of the present disclosure;

FIG. 10 is a schematic diagram of a valve element corresponding to a second on-state relationship in an embodiment of the present disclosure;

FIG. 11 is a schematic diagram of a fluid heat exchange unit in mode two of an embodiment of the present disclosure;

FIG. 12 is a schematic diagram of the on relationship of the spool corresponding to mode three in an embodiment of the present disclosure;

FIG. 13 is a schematic illustration of a fluid heat exchange unit in mode three of an embodiment of the present disclosure;

FIG. 14 is a schematic diagram of the on relationship of the spool corresponding to mode four in an embodiment of the present disclosure;

FIG. 15 is a schematic diagram of a fluid heat exchange unit in mode four of an embodiment of the present disclosure;

FIG. 16 is a schematic diagram of the on relationship of the spool corresponding to mode five in an embodiment of the present disclosure;

fig. 17 is a schematic diagram of a fluid heat exchange unit in mode five of an embodiment of the disclosure.

1, a first valve port; 2. a second valve port; 3. a third valve port; 4. a fourth valve port; 5. a fifth valve port; 6. a sixth valve port; 7. a seventh valve port; 8. an eighth valve port; 9. a ninth valve port; 10. a tenth valve port; 11. an eleventh valve port;

20. a valve core; 21. a first limit part; 22. a partition wall; 23. a flow channel groove; 24. a connection part;

30. a valve housing; 40. a sealing plate; 50. a valve end cap; 51. a second limit part; 60. a motor;

71. a warm air core; 72. a first heat exchange device; 73. a heat sink; 74. a motor water pump; 75. a motor heat exchanger; 76. a second heat exchange device; 77. a battery heat exchanger; 78. and (5) a battery water pump.

Detailed Description

In order that the above objects, features and advantages of the present disclosure may be more clearly understood, a further description of aspects of the present disclosure will be provided below. It should be noted that, without conflict, the embodiments of the present disclosure and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced otherwise than as described herein; it will be apparent that the embodiments in the specification are only some, but not all, embodiments of the disclosure.

Along with the development of automobiles to the electric direction, the energy management content of the whole automobile is increased, and the new energy automobile without an engine needs an additional heat generating device to maintain the high-efficiency operation of the whole system, so that the requirements on the complexity degree and the refinement degree of the heat management are higher and higher.

In the cooling liquid circulation loop of the existing heat pump air conditioning system, valves are generally adopted to control the flowing direction and flow of cooling liquid, such as a one-way valve, a three-way valve, a four-way valve and the like, so that the switching among different circulation loops is realized, and the fine control requirement is met.

The coolant circulation loop of the heat pump air conditioning system has the following disadvantages:

1. four three-way valves and two four-way valves are arranged, so that the cost is high.

2. The system needs to control six water valve motors, and the program is complex.

3. Each valve needs to be fixed independently, and the assembly is complex and tedious.

4. The valve needs to be connected with the valve through a pipeline, a plurality of joints exist, and leakage risk is high.

5. The valves are distributed, which occupies a large space.

6. The valves are connected by pipelines, and when the modes are switched, the reaction speed of the circulation loop is slower.

Based on the foregoing technical problems, the present disclosure provides some embodiments of an eleven-way valve and system suitable for vehicle thermal management.

Referring to fig. 1 and 2, an eleven-way valve according to an embodiment of the present disclosure includes a valve housing 30 and a valve core 20 rotatably mounted in the valve housing 30. Wherein, one end of the valve housing 30 has an opening, a cylindrical receiving space is formed inside the valve housing, and a valve cover 50 is provided at the opening of the valve housing 30, thereby defining a closed space for receiving the valve core 20; one end of the valve core 20 is rotationally connected with the valve shell 30, the other end of the valve core 20 is provided with a connecting part 24, the connecting part 24 penetrates through a valve end cover 50 at one end of the valve shell 30, and the connecting part 24 is rotationally sealed matched with the valve end cover 50; the motor 60 is also mounted at the corresponding end of the valve housing 30, the motor 60 can be mounted on the valve end cover 50, the motor 60 can be a micro motor 60, the motor 60 is in transmission connection with the connecting part 24, and in particular, the motor 60 can be in a spline fit mode for driving the valve core 20 to rotate relative to the valve housing 30. The valve housing 30 is provided with a plurality of ports, which may be arranged in a concentrated manner in a circumferential area of the valve housing 30 in some embodiments; of course, in other embodiments, multiple ports may be distributed on the valve core 20.

As shown in fig. 3, the valve core 20 of the present embodiment is generally cylindrical, and a plurality of flow passage grooves 23 are provided thereon, and the plurality of flow passage grooves 23 may be defined by a plurality of partition walls 22 extending radially outward, and the plurality of partition walls 22 may be arranged in a grid-like manner, and the defined plurality of grids are arrayed in the axial direction and the circumferential direction of the valve core 20, so that each grid constitutes one flow passage groove 23. Each flow channel groove 23 has a certain radial depth, and the caliber of the flow channel groove 23 can be gradually increased from inside to outside, so that a plurality of flow channel grooves 23 are arranged more densely, and the space of the valve core 20 is utilized more fully.

As shown in fig. 1, a sealing plate 40 may be provided between the valve housing 30 and the valve body 20, and the sealing plate 40 may be provided with a plurality of openings corresponding to the openings, the openings being for allowing fluid flowing through the corresponding openings to pass therethrough, and the solid portions of the openings being for sealing against leakage of fluid in the openings to the periphery. The shape and size of the sealing plate 40 may be adapted to the overall distribution shape and size of the plurality of valve ports.

When the valve is used, the sealing gasket is arranged at the bottom of the circular inner cavity of the valve shell, then the valve core is inserted into the valve shell, the spline structure of the valve core faces to the opening of the valve shell, the valve cover is buckled at the opening of the valve shell, and the spline of the valve core needs to penetrate through the through hole of the valve cover. The micro-motor assembly is provided with a spline, inserted into the valve core spline structure and fixed on the valve cover by a screw, thus completing the assembly of the eleven-way valve assembly.

Eleven valve ports, namely a first valve port 1, a second valve port 2, a third valve port 3, a fourth valve port 4, a fifth valve port 5, a sixth valve port 6, a seventh valve port 7, an eighth valve port 8, a ninth valve port 9, a tenth valve port 10 and an eleventh valve port 11, are arranged on a valve housing 30 of the embodiment of the disclosure; along the axial direction of the valve housing 30, a ninth valve port 9, a sixth valve port 6, a seventh valve port 7, a tenth valve port 10 and a fifth valve port 5 are sequentially arranged, and an eighth valve port 8, a third valve port 3, a second valve port 2, a first valve port 1, a fourth valve port 4 and an eleventh valve port 11 are sequentially arranged; along the circumferential direction of the valve housing 30, a ninth valve port 9 is arranged adjacent to an eighth valve port 8, a sixth valve port 6 is arranged adjacent to a third valve port 3, a seventh valve port 7 is arranged adjacent to a second valve port 2, a tenth valve port 10 is arranged adjacent to a first valve port 1, and a fifth valve port 5 is arranged adjacent to a fourth valve port 4; that is, eleven ports are arranged in two rows in the axial direction of the valve housing 30 in the form of 5×2+1.

As shown in fig. 3, the valve core 20 is provided with a plurality of flow channel grooves 23, the plurality of flow channel grooves 23 are divided into five groups in the circumferential direction of the valve core 20, each group of flow channel grooves 23 is composed of two rows of flow channel grooves 23, and the five groups of flow channel grooves 23 are used for respectively communicating with a plurality of valve ports. At least part of the runner grooves 23 are communicated with each other in pairs, particularly, a mode of opening the partition wall 22 between the runner grooves 23 can be adopted, so that five groups of runner grooves 23 are respectively communicated with a plurality of valve ports to form five working modes, and the rotation of the valve core 20 in the valve housing 30 can realize the switching of the five working modes, wherein,

mode one is: as shown in fig. 8, two flow passage grooves 23 corresponding to the fifth valve port 5 and the fourth valve port 4 communicate so that the fifth valve port 5 communicates with the fourth valve port 4; two flow passage grooves 23 corresponding to the tenth valve port 10 and the first valve port 1 are communicated so that the tenth valve port 10 is communicated with the first valve port 1; two flow passage grooves 23 corresponding to the seventh valve port 7 and the second valve port 2 are communicated so that the seventh valve port 7 is communicated with the second valve port 2; two flow passage grooves 23 corresponding to the sixth valve port 6 and the third valve port 3 are communicated so that the sixth valve port 6 is communicated with the third valve port 3; the two flow passage grooves 23 corresponding to the ninth valve port 9 and the eighth valve port 8 communicate so that the ninth valve port 9 communicates with the eighth valve port 8.

The second mode is: as shown in fig. 10, two flow passage grooves 23 corresponding to the fifth valve port 5 and the fourth valve port 4 communicate so that the fifth valve port 5 communicates with the fourth valve port 4; two flow passage grooves 23 corresponding to the tenth valve port 10 and the seventh valve port 7 are communicated so that the tenth valve port 10 is communicated with the seventh valve port 7; two runner grooves 23 corresponding to the first valve port 1 and the second valve port 2 are communicated so as to connect the first valve port 1 and the second valve port 2; two flow passage grooves 23 corresponding to the sixth valve port 6 and the third valve port 3 are communicated so that the sixth valve port 6 is communicated with the third valve port 3; the two flow passage grooves 23 corresponding to the ninth valve port 9 and the eighth valve port 8 communicate so that the ninth valve port 9 communicates with the eighth valve port 8.

The third mode is: as shown in fig. 12, two flow passage grooves 23 corresponding to the fifth valve port 5 and the fourth valve port 4 are communicated so that the fifth valve port 5 is communicated with the fourth valve port 4; two runner grooves 23 corresponding to the first valve port 1 and the second valve port 2 are communicated so as to connect the first valve port 1 and the second valve port 2; two flow passage grooves 23 corresponding to the seventh valve port 7 and the sixth valve port 6 are communicated so that the seventh valve port 7 is communicated with the sixth valve port 6; the two flow passage grooves 23 corresponding to the third valve port 3 and the eighth valve port 8 communicate so that the third valve port 3 communicates with the eighth valve port 8.

The fourth mode is: as shown in fig. 14, two flow passage grooves 23 corresponding to the fifth valve port 5 and the tenth valve port 10 communicate so that the fifth valve port 5 communicates with the tenth valve port 10; two runner grooves 23 corresponding to the fourth valve port 4 and the first valve port 1 are communicated so that the fourth valve port 4 is communicated with the first valve port 1; two flow passage grooves 23 corresponding to the seventh valve port 7 and the sixth valve port 6 are communicated so that the seventh valve port 7 is communicated with the sixth valve port 6; two runner grooves 23 corresponding to the second valve port 2 and the third valve port 3 are communicated so that the second valve port 2 is communicated with the third valve port 3; the two flow passage grooves 23 corresponding to the ninth valve port 9 and the eighth valve port 8 communicate so that the ninth valve port 9 communicates with the eighth valve port 8.

The fifth mode is: as shown in fig. 16, two flow passage grooves 23 corresponding to the eleventh valve port 11 and the fourth valve port 4 communicate so that the eleventh valve port 11 communicates with the fourth valve port 4; two flow passage grooves 23 corresponding to the fifth valve port 5 and the tenth valve port 10 are communicated so that the fifth valve port 5 is communicated with the tenth valve port 10; two runner grooves 23 corresponding to the first valve port 1 and the second valve port 2 are communicated so as to connect the first valve port 1 and the second valve port 2; two flow passage grooves 23 corresponding to the seventh valve port 7 and the sixth valve port 6 are communicated so that the seventh valve port 7 is communicated with the sixth valve port 6; the two flow passage grooves 23 corresponding to the ninth valve port 9 and the eighth valve port 8 communicate so that the ninth valve port 9 communicates with the eighth valve port 8.

The valve core can be equally divided into five parts on the circumference, and the five working mode positions of the eleven-way valve are sequentially corresponding. The circulation loop included in each mode is provided with a corresponding flow passage area on the valve core, and a corresponding inlet and a corresponding outlet are arranged on the valve shell, so that a passage is formed inside the eleven-way valve. The circulation loops of the five modes are not mutually interfered and mutually independent, and the multi-way valve with the five modes can be suitable for five heat management modes under specific working conditions.

It should be noted that the above five modes of the embodiment of the present disclosure are not limited to being sequentially arranged on the valve core 20 in the order of mode one to mode five, but may be arranged in any order, specifically according to the actual requirements.

The plurality of valve ports having two rows in the axial direction have the entire length direction thereof adapted to the axial direction of the valve housing 30, and the plurality of valve ports have the entire narrower width direction thereof adapted to the circumferential direction of the valve housing 30. Correspondingly, the narrower width direction of each group of runner grooves 23 is also suitable for the circumferential direction of the valve core 20, that is, the size space occupied by each group of runner grooves 23 in the circumferential direction is smaller, and therefore, under the condition of the same diameter of the valve core 20, the size of each runner groove 23 in the circumferential direction of the valve core 20 can be made larger, so that the multi-way valve has higher circulation efficiency. All the mode working conditions are realized by communicating the upper and lower adjacent runner grooves 23 or the left and right adjacent runner grooves 23, and no jump points exist, so that the processing difficulty of the runner grooves 23 is reduced.

In addition, the valve ports of the valve core 20 are arranged in two rows in the axial direction of the valve housing 30 in a 5×2+1 mode, and the position of the No. 12 valve port is reserved on the outlet structure, so that the valve port design of the valve core 20 has an expansion function, and the valve port design has the possibility of modification and upgrading.

As shown in connection with fig. 3 and 4, in some embodiments, the valve end cap 50 is provided with a first stop portion 21 on a side facing the valve core 20, and a second stop portion 52 corresponding to the first stop portion 21 is provided on the valve core 20, and the first stop portion 21 is configured to form a stop engagement with the second stop portion 52 when the valve core 20 is rotated to a set position relative to the valve housing 30, so as to limit the initial and final positions of rotation of the valve core 20 relative to the valve housing 30.

In a further embodiment, the first and second limiting portions 21 and 52 may each be sector-shaped, such that the two sector-shaped first and second limiting portions 21 and 52 are in surface contact with each other, whether the valve core 20 is forward or reverse relative to the valve housing 30. It should be noted that, in other embodiments, the first limiting portion 21 and the second limiting portion 52 may have other shapes, so long as the surface contact between the first limiting portion 21 and the second limiting portion 52 can be ensured, the surface contact can make the limiting fit smoother, no stress concentration is formed, and damage to the two limiting portions is avoided. In addition, the middle parts of the first limiting part 21 and the second limiting part 52 which are in the shape of a sector can be hollowed out, so that the weight of the two limiting parts is reduced.

In some embodiments, the interval between two adjacent groups of the flow channel grooves 23 is 72 °, that is, the rotation angle is 72 ° when each mode is switched, the valve core 20 rotates by a total angle 288 °, so that each time the adjacent mode is switched, the rotation angle of the valve core 20 is moderate, thus ensuring the speed and precision of the mode switching, and ensuring that the flow channel grooves 23 have enough circumferential dimensions to have enough traffic.

The embodiment of the disclosure also provides a vehicle thermal management system, which comprises a fluid heat exchange unit, wherein a refrigerant circulation system of the vehicle thermal management system forms heat exchange in multiple modes with part of equipment of a vehicle through the fluid heat exchange unit, the refrigerant circulation system is a mature component part of the vehicle thermal management system, the basic components of the refrigerant circulation system are also well known in the art, the refrigerant circulation system of the embodiment is not repeated, carbon dioxide is used as a refrigerant, and the fluid heat exchange unit uses water as a heat exchange fluid. Of course, in other embodiments, the refrigerant circulation system and the fluid heat exchange unit may also use other working media, for example, the refrigerant may also use R134a, R1234yf, etc.

As shown in fig. 7, the fluid heat exchange unit of the present embodiment includes a first heat exchange device 72, a warm air core 71, a radiator 73, a motor heat exchange passage, a second heat exchange device 76, and a battery heat exchange passage. The first heat exchange device 72 and the warm air core 71 are connected in series to form a first serial path, the first heat exchange device 72 may be a cooling water type gas cooler or a water cooling condenser, and is suitable for obtaining heat energy from the refrigerant, that is, the first heat exchange device 72 may be in heat exchange connection with a portion of the refrigerant circulation system having a high-temperature and high-pressure refrigerant, for example, a portion close to an outlet pipeline of the compressor, and the first heat exchange device 72 is heated by the portion of the refrigerant and transfers heat to fluid in the portion. The second heat exchange device 76 may be a plate heat exchanger or a fin heat exchanger, and is adapted to transfer heat energy to the refrigerant, i.e. the second heat exchange device may be in heat exchange connection with a portion of the refrigerant circulation system having a low temperature and low pressure refrigerant, for example, a portion downstream of the throttling device, and the second heat exchange device 76 is cooled by the portion of the refrigerant. The warm air core 71 is used to radiate heat of the fluid working medium into the vehicle. The motor heat exchange path may include a motor 60 radiator 73 and a motor 60 water pump for exchanging heat between the fluid working medium and the motor 60. The battery heat exchange path may include a battery heat exchanger 77 and a battery water pump for exchanging heat between the fluid working medium and the battery. Radiator 73 may be a radiator tank for dissipating heat from the fluid medium to the environment.

The fluid heat exchange unit of this embodiment further includes the eleven-way valve according to the above embodiment, where the first port 1 and the second port 2 are correspondingly connected to two ends of the first serial passage, the tenth port 10 and the ninth port 9 are respectively connected to two ends of the radiator 73, the eighth port 8 and the seventh port 7 are respectively connected to two ends of the motor heat exchange passage, the sixth port 6 and the fifth port 5 are respectively connected to two ends of the second heat exchange device 76, the fourth port 4 is connected to one end of the battery heat exchange passage, and the third port 3 and the eleventh port 11 are both connected to the other end of the battery heat exchange passage.

Therefore, the micro motor is fixedly connected with the valve core through the spline, the valve core can be driven to rotate after receiving the instruction, and when cooling liquid flows in from the square hole at the bottom of the valve shell, flows out from the adjacent square hole after being guided by the valve core channel area, a passage is formed, and the normal circulation of a loop is realized.

Specifically, when the multi-way valve is turned on in the mode, as shown in fig. 9, the first heat exchanging device 72, the warm air core 71, the motor heat exchanging passage and the radiator 73 are communicated to form a circulation passage, and the radiator 73 cools the warm air core 71, the motor 60 and the refrigerant through the first heat exchanging device 72; the second heat exchange device 76 communicates with the battery heat exchange path to form a circulation path, and the second heat exchange device 76 cools the battery.

When the multi-way valve is turned on to the second mode, as shown in fig. 11, the first series passage is self-circulated, and the first heat exchanging device 72 heats the warm air core 71; the motor heat exchange passage is communicated with the radiator 73 to form a circulation passage, and the radiator 73 cools the motor 60; the second heat exchange device 76 communicates with the battery heat exchange passage to form a circulation passage, and the second heat exchange device 76 cools the battery.

When the multi-way valve is turned on in the third mode, as shown in fig. 13, the first series passage is self-circulated, and the first heat exchanging device 72 heats the warm air core 71; the motor heat exchange path, the second heat exchange device 76 and the battery heat exchange path are communicated to form a circulation path, and heat generated by the operation of the motor 60 heats the battery and the refrigerant through the second heat exchanger.

When the multi-way valve is turned on in the fourth mode, as shown in fig. 15, the first series passage is communicated with the battery heat exchange passage to form a circulation passage, and the refrigerant heats the battery and the warm air core 71 through the first heat exchange device 72; the radiator 73, the motor heat exchange passage and the second heat exchange device 76 are communicated to form a circulation passage, and the refrigerant absorbs waste heat from the motor 60 and the radiator 73 through the second heat exchange device 76.

When the multi-way valve is turned on in mode five, as shown in fig. 17, the first series passage is self-circulated, and the first heat exchanging device 72 heats the warm air core 71; the radiator 73, the motor heat exchange passage and the second heat exchange device 76 are communicated to form a circulation passage, and the refrigerant absorbs waste heat from the motor 60 and the radiator 73 through the second heat exchange device 76; the battery heat exchange channels are communicated in a self-circulation way, and uniform heat is formed on the battery.

In summary, the vehicle thermal management system of the embodiment replaces all three-way valves and four-way valves in the traditional coolant loop with the eleven-way valves with special valve core 20 design and interface arrangement, thereby meeting the use requirements of five or below specific working modes of vehicle thermal management, and compared with the implementation mode of utilizing a plurality of three-way valves and four-way valves, the vehicle thermal management system can greatly save cost, simplifies complex waterways and is simple and rapid to assemble; and only one micro motor drives the valve core to rotate, only the motor is required to be controlled, the control program of the system is simplified, the control logic is simple, and the control is convenient; the valve replaces a connecting pipeline between the valves, the number of joints is greatly reduced, the system connection can be simpler through a modularized design, the integration level is higher, and the installation space is greatly saved; the eleven-way valve replaces a connecting pipeline between the valves, and when the mode is switched, the circulation loop can be changed only by flowing through the valve core, so that the reaction speed is high. In addition, as the eleven-way valve adopts a plane sealing structure, the risk of leakage of fluid working medium can be reduced.

The present embodiment also provides a vehicle having the vehicle thermal management system as described above. The characteristic that the heat management system occupies small space is utilized, so that other available space of the vehicle can be increased, and the comfort of the vehicle is improved; in addition, the adopted thermal management system has simple control logic and low risk of leakage of working media, so that the thermal management of the vehicle can be safely and stably operated.

In the description of the embodiments of the present disclosure, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "height", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the embodiments of the present disclosure and to simplify the description, and do not indicate or imply that the structures or devices referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present disclosure.

It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing is merely a specific embodiment of the disclosure to enable one skilled in the art to understand or practice the disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown and described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. An eleven-way valve is characterized by comprising a valve shell and a valve core rotatably arranged in the valve shell, wherein eleven valve ports are arranged on the valve shell, and are respectively a first valve port, a second valve port, a third valve port, a fourth valve port, a fifth valve port, a sixth valve port, a seventh valve port, an eighth valve port, a ninth valve port, a tenth valve port and an eleventh valve port; along the first axial direction of the valve housing, the ninth valve port, the sixth valve port, the seventh valve port, the tenth valve port and the fifth valve port are sequentially arranged, and the eighth valve port, the third valve port, the second valve port, the first valve port, the fourth valve port and the eleventh valve port are sequentially arranged; along the circumferential direction of the valve housing, the ninth valve port is adjacent to the eighth valve port, the sixth valve port is adjacent to the third valve port, the seventh valve port is adjacent to the second valve port, the tenth valve port is adjacent to the first valve port, and the fifth valve port is adjacent to the fourth valve port;

the valve core is provided with a plurality of runner grooves which are divided into five groups in the circumferential direction of the valve core, the five groups of runner grooves are respectively communicated with a plurality of valve ports, at least part of runner grooves are communicated with each other two by two, so that the five groups of runner grooves are respectively communicated with the plurality of valve ports to form five working modes, the valve core can realize the switching of the five working modes by rotating in the valve shell,

mode one is: the fifth valve port is communicated with the fourth valve port, the tenth valve port is communicated with the first valve port, the seventh valve port is communicated with the second valve port, the sixth valve port is communicated with the third valve port, and the ninth valve port is communicated with the eighth valve port;

the second mode is: the fifth valve port is communicated with the fourth valve port, the tenth valve port is communicated with the seventh valve port, the first valve port is communicated with the second valve port, the sixth valve port is communicated with the third valve port, and the ninth valve port is communicated with the eighth valve port;

the third mode is: the fifth valve port is communicated with the fourth valve port, the first valve port is communicated with the second valve port, the seventh valve port is communicated with the sixth valve port, and the third valve port is communicated with the eighth valve port;

the fourth mode is: the fifth valve port is communicated with the tenth valve port, the fourth valve port is communicated with the first valve port, the seventh valve port is communicated with the sixth valve port, the second valve port is communicated with the third valve port, and the ninth valve port is communicated with the eighth valve port;

the fifth mode is: the eleventh valve port is communicated with the fourth valve port, the fifth valve port is communicated with the tenth valve port, the first valve port is communicated with the second valve port, the seventh valve port is communicated with the sixth valve port, and the ninth valve port is communicated with the eighth valve port.

2. The eleven-way valve of claim 1, further comprising a motor connected to said valve housing, said valve cartridge having a connection, said motor connected to said connection, said motor for driving said valve cartridge to rotate relative to said valve housing.

3. The eleven-way valve according to claim 2, wherein a valve end cap is provided at an end of the valve housing corresponding to the motor, the motor being mounted on a side of the valve end cap facing away from the valve core, and a telescopic connection portion passing through the valve end cap and being connected to the motor; the valve end cover is provided with a first limiting part towards one side of the valve core, the valve core is provided with a second limiting part corresponding to the first limiting part, and the first limiting part is used for forming limiting fit with the second limiting part when the valve core rotates to a set position relative to the valve shell.

4. An eleven-way valve according to claim 3, wherein the first limit stop is in surface contact with the second limit stop.

5. The eleven-way valve according to claim 1, wherein a sealing plate is provided between the valve housing and the valve core, and the sealing plate is provided with mesh openings corresponding to the plurality of valve ports.

6. An eleven-way valve according to claim 1, wherein the spacing between adjacent sets of said flow passage grooves is 72 °.

7. A vehicle thermal management system comprising a fluid heat exchange unit comprising a first heat exchange device, a warm air core, a radiator, a motor heat exchange passage, a second heat exchange device, a battery heat exchange passage, and an eleven-way valve according to any one of claims 1 to 6, the first heat exchange device being in series with the warm air core to form a first series passage, the first heat exchange device being adapted to absorb thermal energy from a refrigerant, the second heat exchange device being adapted to release thermal energy to the refrigerant;

the first valve port and the second valve port are communicated with two ends of the first serial connection passage, the tenth valve port and the ninth valve port are respectively communicated with two ends of the radiator, the eighth valve port and the seventh valve port are respectively communicated with two ends of the motor heat exchange passage, the sixth valve port and the fifth valve port are respectively communicated with two ends of the second heat exchange device, the fourth valve port is communicated with one end of the battery heat exchange passage, and the third valve port and the eleventh valve port are both communicated with the other end of the battery heat exchange passage.

8. The vehicle thermal management system of claim 7, wherein the heat exchange fluid of the fluid heat exchange unit is water.

9. The vehicle thermal management system of claim 7, wherein the refrigerant is carbon dioxide.

10. A vehicle comprising a vehicle thermal management system as claimed in any one of claims 7 to 9.