CN116447354A

CN116447354A - Multi-way valve and thermal management system

Info

Publication number: CN116447354A
Application number: CN202310295396.6A
Authority: CN
Inventors: 陈开星; 马俊; 关大众
Original assignee: Zhejiang Yinlun Machinery Co Ltd
Current assignee: Zhejiang Yinlun Machinery Co Ltd
Priority date: 2023-03-22
Filing date: 2023-03-22
Publication date: 2023-07-18

Abstract

The embodiment of the invention provides a multi-way valve and a thermal management system, and relates to the technical field of pipeline valves. The multi-way valve comprises a valve body and a valve core, wherein the peripheral wall of the valve body is provided with a first laminar flow port and a second laminar flow port, the first laminar flow port comprises three flow ports, the second laminar flow port comprises five flow ports, one flow port of the first laminar flow port and one flow port of the second laminar flow port are communicated, the valve core is rotatably arranged in the valve body, a plurality of flow passages which are used for matching the first laminar flow port and the second laminar flow port are arranged on the valve core, so that the flow ports of the first laminar flow port are communicated or separated, the flow ports of the second laminar flow port are communicated or separated, and the requirement on installation space can be reduced.

Description

Multi-way valve and thermal management system

Technical Field

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

Background

With the integration of heat exchange systems such as motor cooling, battery heating and cooling, passenger cabin heating and the like of new energy automobiles, the requirements on a cooling liquid valve of a new energy thermal management system are increasing.

In the prior art, a plurality of valves are generally used for controlling the new energy thermal management system, however, the plurality of valves cooperate to control the fluid control of a plurality of flow paths, and each valve requires a corresponding installation space, so that the installation space is large enough, the structure of the thermal management system is relatively complex, and the cost of the fluid control is increased.

Disclosure of Invention

The invention provides a multi-way valve and a thermal management system, which can reduce the requirement on installation space, simplify the structure of the thermal management system and reduce the fluid control cost.

Embodiments of the invention may be implemented as follows:

embodiments of the present invention provide a multi-way valve comprising:

the valve body is provided with a first laminar flow port and a second laminar flow port on the peripheral wall, the first laminar flow port comprises three laminar flow ports, the second laminar flow port comprises five laminar flow ports, and one laminar flow port of the first laminar flow port is communicated with one laminar flow port of the second laminar flow port; and

the valve core is rotatably arranged in the valve body, and a plurality of flow passages matched with the first flow passage opening and the second flow passage opening are formed in the valve core, so that the flow passages of the first flow passage opening are communicated or separated, and the flow passages of the second flow passage opening are communicated or separated.

Optionally, the three flow passage openings of the first laminar flow passage opening are a first flow passage opening, a second flow passage opening and a third flow passage opening, and the five flow passage openings of the second laminar flow passage opening are a fourth flow passage opening, a fifth flow passage opening, a sixth flow passage opening, a seventh flow passage opening and an eighth flow passage opening;

the first flow passage mouth, the second flow passage mouth and the third flow passage mouth are circumferentially distributed on the valve body, the fourth flow passage mouth, the fifth flow passage mouth, the sixth flow passage mouth, the seventh flow passage mouth and the eighth flow passage mouth are circumferentially distributed on the valve body, and the second flow passage mouth and the eighth flow passage mouth are circumferentially distributed along the axial direction of the valve core.

Optionally, the valve core includes a first rotating part, a separating part and a second rotating part which are sequentially connected, and the first rotating part is provided with three first flow passages matched with the first flow passage mouth so as to enable the first flow passage mouth, the second flow passage mouth and the third flow passage mouth to be communicated or separated;

and the second rotating part is provided with four second flow passages matched with the second flow passage opening, so that the fourth flow passage opening, the fifth flow passage opening, the sixth flow passage opening, the seventh flow passage opening and the eighth flow passage opening are communicated or separated, and the separating part is used for separating the first flow passage and the second flow passage.

Optionally, the first rotating part includes first arc piece and the second arc piece that the interval set up, first arc piece with the second arc piece all with the partition portion is connected, just first arc piece with inject first between the second arc piece first runner, first arc piece with the second arc piece respectively inject the department second first runner and third first runner.

Optionally, the multi-way valve further comprises seven flow passage pipelines, seven external flow passage ports are formed in the valve body, one ends of the seven flow passage pipelines are respectively communicated with the seven external flow passage ports, and the first flow passage port is close to the external flow passage port relative to the second flow passage port;

the other ends of the two runner pipelines are respectively communicated with the first runner port and the third runner port, the other ends of the four runner pipelines are respectively communicated with the fourth runner port, the fifth runner port, the sixth runner port and the seventh runner port, and one runner pipeline is simultaneously communicated with the second runner port and the eighth runner port.

Optionally, the seven external flow passage openings are located in the same plane.

Optionally, the multi-way valve further comprises an external leakage sealing ring, the external leakage sealing ring is installed on the valve body, seven external leakage runner ports are formed in the external leakage sealing ring, and the seven external leakage runner ports are respectively communicated with the seven external runner ports.

Optionally, the multi-way valve further comprises an inner leakage sealing ring, the inner leakage sealing ring is installed in the valve body, and the valve core is rotatably arranged in the inner leakage sealing ring;

the peripheral wall of the inner leakage sealing ring is provided with eight inner leakage flow passage openings, and the eight inner leakage flow passage openings are respectively communicated with the first flow passage opening, the second flow passage opening, the third flow passage opening, the fourth flow passage opening, the fifth flow passage opening, the sixth flow passage opening, the seventh flow passage opening and the eighth flow passage opening.

Optionally, the multi-way valve further comprises an actuator, wherein the actuator is in driving connection with the valve core, and the actuator is used for driving the valve core to rotate.

The embodiment of the invention also provides a thermal management system which comprises the multi-way valve.

The multi-way valve and the thermal management system of the embodiment of the invention have the beneficial effects that:

the embodiment of the invention provides a multi-way valve, which comprises a valve body and a valve core, wherein a first laminar flow port and a second laminar flow port are arranged on the peripheral wall of the valve body, the first laminar flow port comprises three laminar flow ports, the second laminar flow port comprises five laminar flow ports, one of the first laminar flow port and one of the second laminar flow port are communicated, the valve core is rotatably arranged in the valve body, a plurality of flow passages for matching the first laminar flow port and the second laminar flow port are arranged on the valve core, so that the plurality of flow ports of the first laminar flow port are communicated or separated, and the plurality of flow ports of the second laminar flow port are communicated or separated.

Embodiments of the present invention also provide a thermal management system including the multi-way valve described above, which has all the functions of the multi-way valve described above.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a prior art combination of two four-way valves and a three-way proportional valve;

FIG. 2 is an exploded view of a multi-way valve provided in an embodiment of the present invention;

FIG. 3 is a partial cross-sectional view of a multi-way valve provided in an embodiment of the present invention;

FIG. 4 is a schematic view of a valve body provided in an embodiment of the present invention;

FIG. 5 is a first cross-sectional view of a valve body provided in an embodiment of the present invention;

FIG. 6 is a second cross-sectional view of a valve body provided in an embodiment of the present invention;

FIG. 7 is a schematic illustration of a valve cartridge provided in an embodiment of the present invention;

FIG. 8 is a schematic diagram of a multi-way valve in a first mode of operation provided in an embodiment of the present invention;

FIG. 9 is a schematic illustration of a multi-way valve provided in an embodiment of the present invention in a first mode of operation;

FIG. 10 is a schematic illustration of a multi-way valve provided in an embodiment of the present invention in a second mode of operation;

FIG. 11 is a schematic illustration of a multi-way valve provided in an embodiment of the present invention in a second mode of operation;

FIG. 12 is a schematic illustration of a multi-way valve provided in an embodiment of the present invention in a third mode of operation;

FIG. 13 is a schematic illustration of a multi-way valve provided in an embodiment of the present invention in a third mode of operation;

FIG. 14 is a schematic illustration of a multi-way valve provided in an embodiment of the present invention in a fourth mode of operation;

FIG. 15 is a schematic illustration of a multi-way valve provided in an embodiment of the present invention in a fourth mode of operation;

FIG. 16 is a schematic illustration of a multi-way valve provided in an embodiment of the present invention in a fifth mode of operation;

fig. 17 is a schematic diagram of a multi-way valve provided in an embodiment of the present invention in a fifth mode of operation.

Icon: 1000-multi-way valve; 100-valve body; 110-a first fluid port; 120-second fluid port; 130-third fluid port; 140-fourth fluid passage opening; 150-fifth fluid passage opening; 160-sixth fluid passage opening; 170-seventh fluid passage opening; 180-eighth fluid passage opening; 101-a first external flow port; 102-a second external flow port; 103-a third external flow port; 104-a fourth external flow port; 105-a fifth external flow port; 106-a sixth external flow port; 107-seventh external flow port; 200-valve core; 201-a first flow channel; 202-a second flow channel; 210-a first rotating part; 211-a first arcuate member; 212-a second arcuate member; 220-partitions; 230-a second rotating part; 300-valve cover; 400-an actuator; 500-runner pipelines; 600-an external leakage sealing ring; 601-an outflow opening; 700-inner leakage sealing ring; 701-inner drain flow passage opening; 10-a bushing; 20-sealing rings; 2000-four-way valve; 3000-three-way proportional valve; 2011-a first flow path; 2012-a second flow path; 2013-a third flow path; 2021-fourth flow path; 2022-fifth flow path; 2023-sixth flow path; 2024-seventh flow path.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present invention, it should be noted that, if the terms "upper", "lower", "inner", "outer", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present invention and simplifying the description, and it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus it should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like, if any, are used merely for distinguishing between descriptions and not for indicating or implying a relative importance.

It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.

The fluid control is to form a closed control loop by using various control elements (such as a pump, a valve and an oil cylinder) of the fluid and accessories (such as a filter, a pipeline joint, a liquid level meter and a pressure instrument) of a hydraulic system so as to perform automatic control, and the fluid control is divided into hydraulic control and pneumatic control. In flow-through control systems, valves play an important role.

In the prior art, a plurality of valves are generally used to control in the new energy thermal management system to realize a plurality of flow path states, as shown in fig. 1, in some thermal management systems, two four-way valves 2000 and one three-way proportional valve 3000 are required to be used simultaneously to meet the requirements, and "1-7" in fig. 1 represents seven external flow path ports. However, the valves cooperate to control the fluid control of the multiple flow paths, and each valve requires a corresponding installation space, so that the installation space is large enough, the integration level is low, the structure of the thermal management system is relatively complex, and the cost of the fluid control is increased.

In view of this, please refer to fig. 2-17, a multi-way valve 1000 and a thermal management system according to an embodiment of the present invention can solve this problem, which will be described in detail below.

The embodiment of the invention provides a thermal management system, such as a thermal management system in a pure electric vehicle or a hybrid electric vehicle, which comprises a multi-way valve 1000, wherein the multi-way valve 1000 can realize the reversing or flow regulating function of a medium, the medium is liquid such as water, and of course, in other embodiments, the multi-way valve 1000 can also be used for circulating other mediums such as gas, and the multi-way valve 1000 can reduce the requirement on an installation space and can be applied to the thermal management system so as to simplify the structure of the thermal management system and reduce the fluid control cost.

Referring to fig. 2-6, the multi-way valve 1000 includes a valve body 100, a valve core 200, a valve cover 300, and an actuator 400, wherein the actuator 400 is in driving connection with the valve core 200, the actuator 400 is used for driving the valve core 200 to rotate, the valve cover 300 covers the valve body 100, a part of the structure of the valve core 200 penetrates through the valve cover 300 and is connected with the actuator 400, and four bushings 10 are further installed on the valve body 100.

The actuator 400 may be an actuator 400 in the prior art, and the actuator 400 mainly includes a housing, a motor, a gear set, a circuit board, and the like.

Wherein, the circumference wall of the valve body 100 is provided with a first laminar flow port and a second laminar flow port, the first laminar flow port comprises three laminar flow ports, the second laminar flow port comprises five laminar flow ports, wherein, one of the first laminar flow port and one of the second laminar flow port are communicated, the valve core 200 is rotatably installed in the valve body 100, a plurality of flow passages for matching the first laminar flow port and the second laminar flow port are arranged on the valve core 200, so that the plurality of flow ports of the first laminar flow port are communicated or separated, and the plurality of flow ports of the second laminar flow port are communicated or separated.

In order to ensure the sealing performance of the multi-way valve 1000, two sealing rings 20 are provided around the end of the valve element 200.

The three flow passage openings of the first flow passage opening are the first flow passage opening 110, the second flow passage opening 120 and the third flow passage opening 130, and the five flow passage openings of the second flow passage opening are the fourth flow passage opening 140, the fifth flow passage opening 150, the sixth flow passage opening 160, the seventh flow passage opening 170 and the eighth flow passage opening 180, respectively.

The first, second and third fluid ports 110, 120 and 130 are circumferentially distributed in the valve body 100, and the fourth, fifth, sixth, seventh and eighth fluid ports 140, 150, 160, 170 and 180 are circumferentially distributed in the valve body 100, with the second and eighth fluid ports 120 and 180 being distributed along the axial direction of the spool 200.

In order to improve the sealing performance of the multi-way valve 1000, the multi-way valve 1000 further includes an inner leakage seal ring 700, the inner leakage seal ring 700 is installed in the valve body 100, and the valve core 200 is rotatably disposed in the inner leakage seal ring 700, wherein eight inner leakage flow ports 701 are disposed on a peripheral wall of the inner leakage seal ring 700, and the eight inner leakage flow ports 701 are respectively communicated with the first flow port 110, the second flow port 120, the third flow port 130, the fourth flow port 140, the fifth flow port 150, the sixth flow port 160, the seventh flow port 170, and the eighth flow port 180.

In addition, in order to facilitate connection with external pipelines and make the whole multi-way valve 1000 more compact, the multi-way valve 1000 further comprises seven flow passage pipelines 500, seven external flow passage ports are formed on the valve body 100, and the seven external flow passage ports are located in the same plane.

That is, the seven external flow ports are all located at the bottom of the valve body 100, and the valve cover 300 is located at the top of the valve body 100, however, in other embodiments, the seven external flow ports may not be located on the same surface, and extend directly from the side of the valve body 100, and are connected by using a pipe connection structure.

One end of the seven flow channel pipelines 500 is respectively communicated with seven external flow channel ports, the first flow channel port is close to the external flow channel port relative to the second flow channel port, the other ends of the two flow channel pipelines 500 are respectively communicated with the first flow channel port 110 and the third flow channel port 130, the other ends of the four flow channel pipelines 500 are respectively communicated with the fourth flow channel port 140, the fifth flow channel port 150, the sixth flow channel port 160 and the seventh flow channel port 170, one flow channel pipeline 500 is simultaneously communicated with the second flow channel port 120 and the eighth flow channel port 180, and the seven flow channel pipelines 500 and the valve body 100 can be integrally formed.

The seven outer flow ports are a first outer flow port 101, a second outer flow port 102, a third outer flow port 103, a fourth outer flow port 104, a fifth outer flow port 105, a sixth outer flow port 106, and a seventh outer flow port 107, respectively.

Meanwhile, in order to further improve the sealing performance of the multi-way valve 1000, the multi-way valve 1000 further includes an external leakage sealing ring 600, the external leakage sealing ring 600 is mounted on the valve body 100, seven external leakage flow passage openings 601 are formed in the external leakage sealing ring 600, and the seven external leakage flow passage openings 601 are respectively communicated with the seven external flow passage openings.

With continued reference to fig. 7, the valve core 200 includes a first rotating portion 210, a partition portion 220 and a second rotating portion 230 connected in sequence, where the first rotating portion 210 is provided with three first flow passages 201 for matching the first flow passage opening, so as to make the first flow passage opening 110, the second flow passage opening 120 and the third flow passage opening 130 communicated or blocked, and the second rotating portion 230 is provided with four second flow passages 202 for matching the second flow passage opening, so as to make the fourth flow passage opening 140, the fifth flow passage opening 150, the sixth flow passage opening 160, the seventh flow passage opening 170 and the eighth flow passage opening 180 communicated or blocked.

The partition 220 has a circular disk structure, the partition 220 is used for separating the first flow channel 201 and the second flow channel 202, and the periphery of the partition 220 abuts against the inner side of the inner leakage seal ring 700, that is, the second flow channel port 120 and the eighth flow channel port 180 are respectively located at two sides of the partition 220.

The second rotating portion 230 is formed by four arcuate plates connected end to end in sequence, and the arcuate concave surface of each arcuate plate defines a second flow channel 202. The first rotating portion 210 includes a first arc member 211 and a second arc member 212 that are disposed at intervals, where the first arc member 211 and the second arc member 212 are connected with the partition portion 220, and a first flow channel 201 is defined between the first arc member 211 and the second arc member 212, and an arc surface of the first arc member 211 and an arc surface of the second arc member 212 define a second first flow channel 201 and a third first flow channel 201, respectively.

It should be noted that, the second first flow channel 201 is defined by the arcuate surface of the first arcuate member 211 and a portion of the inner wall of the inner leakage seal ring 700, and the third first flow channel 201 is defined by the arcuate surface of the second arcuate member 212 and a portion of the inner wall of the inner leakage seal ring 700.

Meanwhile, the four arcuate surfaces on the second rotating portion 230 cooperate with the four second flow passages 202 in part of the inner wall of the inner leak-tight seal 700.

Here, for convenience of understanding and description, the first flow path 201 may be understood as a first flow path 2011, and the second and third first flow paths 201 and 201 may be understood as a second flow path 2012 and a third flow path 2013, respectively.

And the second rotating portion 230 is provided with four second flow passages 202 for matching the second flow passage opening, which can be understood as a fourth flow passage 2021, a fifth flow passage 2022, a sixth flow passage 2023, and a seventh flow passage 2024, respectively.

In the present embodiment, the first rotating portion 210, the partition portion 220, and the second rotating portion 230 are integrally formed, and the actuator 400 is drivingly connected to the second rotating portion 230.

Next, referring to fig. 8-17, the multi-way valve 1000 according to the embodiment of the present invention includes at least the following five operation modes.

First operation mode:

as shown in fig. 8, the first outer flow passage port 101, the sixth flow passage port 160, the sixth flow passage 2023, the second flow passage 202, the eighth flow passage port 180, and the second outer flow passage port 102 are sequentially communicated, the seventh outer flow passage port 107, the seventh flow passage port 170, the seventh flow passage port 2024, the second flow passage 202, the fourth flow passage port 140, and the sixth outer flow passage port 106 are sequentially communicated, and the fourth outer flow passage port 104 is blocked.

As shown in fig. 9, the fifth external flow passage opening 105, the third flow passage opening 130, the first flow passage 2011, the first flow passage opening 110, and the third external flow passage opening 103 are sequentially communicated.

That is, in the first operation mode, the first and second external flow ports 101 and 102 communicate, the seventh and sixth external flow ports 107 and 106 communicate, the fifth and third external flow ports 105 and 103 communicate, and the fourth external flow port 104 blocks, and in this state, the second flow port 120 is in a blocked state. It should be noted that, for convenience of description of the state of the valve core 200 in the following different operation modes, herein, in the first operation mode, the initial rotation angle of the valve core 200 is defined as 0 degrees.

Second mode of operation:

in the second operation mode, the flow rate can be proportionally adjusted, and the valve core 200 can be rotated from 145 degrees to 205 degrees counterclockwise, so that the opening degree of the fourth fluid passage opening 140 is gradually increased.

As shown in fig. 10 and 11, the spool 200 is rotated 180 degrees counterclockwise, at this time, the opening degree of the fourth fluid passage port 140 is fifty percent, that is, in the present embodiment, the size of the fourth fluid passage port 140 is larger than the sizes of the remaining seven fluid passage ports, that is, the circumferential length of the fourth fluid passage port 140 in the direction of the rotation axis of the spool is larger than the circumferential lengths of the remaining seven fluid passage ports, so that the proportional adjustment is facilitated.

The first external flow passage 101 and the second external flow passage 102, the sixth external flow passage 106, and the seventh external flow passage 107 are communicated through the fourth flow passage 2021, and the opening of the fourth flow passage 140 is adjusted to achieve the flow rate of the sixth external flow passage 106, and further to achieve the proportional adjustment, and the fifth external flow passage 105 and the third external flow passage 103 are communicated through the first flow passage 2011 and blocked by the fourth external flow passage 104.

In this state, the second fluid passage opening 120 is in a blocked state.

Third mode of operation:

as shown in fig. 12 and 13, the cartridge 200 is rotated 145 degrees counterclockwise.

The first, second and seventh external flow ports 101, 102 and 107 are communicated through the fourth flow path 2021, the fifth and third external flow ports 105 and 103 are communicated through the first flow path 2011, the fourth external flow port 104 is blocked and the sixth external flow port 106 is blocked, and in this state, the second flow port 120 is in a blocked state.

Fourth mode of operation:

as shown in fig. 14 and 15, the cartridge 200 is rotated counterclockwise by 87.5 degrees.

The first and fourth external flow passage ports 101 and 104 communicate through the fourth flow passage 2021, the sixth and seventh external flow passage ports 106 and 107 communicate through the sixth flow passage 2023, the second and third external flow passage ports 102 and 103 communicate through the first flow passage 2011, and the fifth external flow passage port 105 is blocked, and in this state, the eighth flow passage port 180 is in a blocked state.

Fifth mode of operation:

as shown in fig. 16 and 17, the cartridge 200 is rotated counterclockwise by 130 degrees.

The first, fourth, second and seventh external flow ports 101, 104, 102 and 107 communicate through a fourth flow path 2021, and the sixth and seventh external flow ports 106 and 107 communicate through a fifth flow path 2022, that is, the first, fourth, second, sixth and seventh external flow ports 101, 104, 102, 106 and 107 communicate with each other.

The second outer flow passage 102, the third outer flow passage 103, and the fifth outer flow passage 105 communicate with each other through the first flow passage 2011, the second flow passage 2012, and the third flow passage 2013. In this state, the second and eighth fluid ports 120 and 180 communicate through the fluid passage line 500, that is, in the fifth operation mode, the first, second, third, fourth, fifth, sixth and seventh external fluid ports 101, 102, 103, 104, 105, 106 and 107 may communicate with each other.

It should be noted that the multi-way valve 1000 provided in the embodiment of the present invention is not limited to the above five operation modes, and the above five operation modes are only five of the multiple operation modes that can be implemented by the multi-way valve 1000, and the remaining operation modes are not listed here.

It can be understood that the multi-way valve 1000 of the present embodiment has at least five working modes, so that the multi-way valve 1000 integrates the functions of the combination of two four-way valves 2000 and one three-way proportional valve 3000 as shown in fig. 1, so as to meet the use requirement of the thermal management system with the multi-way valve 1000 for multi-fluid control, and has compact structure, high integration, reduced requirement on installation space, simplified structure of the thermal management system, and reduced fluid control cost.

In summary, the multi-way valve 1000 includes the valve body 100 and the valve core 200, the peripheral wall of the valve body 100 is provided with the first and second laminar flow ports, the first laminar flow port includes three flow ports, the second laminar flow port includes five flow ports, one flow port of the first laminar flow port is communicated with one flow port of the second laminar flow port, the valve core 200 is rotatably installed in the valve body 100, and a plurality of flow passages for matching the first and second laminar flow ports are provided on the valve core 200, so that the plurality of flow ports of the first laminar flow port are communicated or separated, and the plurality of flow ports of the second laminar flow port are communicated or separated.

The thermal management system includes the multi-way valve 1000 described above, and the thermal management system has all the functions of the multi-way valve 1000 described above.

The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present invention should be included in the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A multi-way valve, comprising:

the valve comprises a valve body (100), wherein a first flow passage mouth and a second flow passage mouth are arranged on the peripheral wall of the valve body (100), the first flow passage mouth comprises three flow passage mouths, the second flow passage mouth comprises five flow passage mouths, and one flow passage mouth of the first flow passage mouth is communicated with one flow passage mouth of the second flow passage mouth; and

the valve core (200) is rotatably installed in the valve body (100), and a plurality of flow passages used for matching the first laminar flow passage opening and the second laminar flow passage opening are formed in the valve core (200), so that the plurality of flow passage openings of the first laminar flow passage opening are communicated or separated, and the plurality of flow passage openings of the second laminar flow passage opening are communicated or separated.

2. The multi-way valve of claim 1, wherein the three flow ports of the first layer flow port are a first flow port (110), a second flow port (120), and a third flow port (130), respectively, and the five flow ports of the second layer flow port are a fourth flow port (140), a fifth flow port (150), a sixth flow port (160), a seventh flow port (170), and an eighth flow port (180), respectively;

the first flow passage opening (110), the second flow passage opening (120) and the third flow passage opening (130) are circumferentially distributed in the valve body (100), the fourth flow passage opening (140), the fifth flow passage opening (150), the sixth flow passage opening (160), the seventh flow passage opening (170) and the eighth flow passage opening (180) are circumferentially distributed in the valve body (100), and the second flow passage opening (120) and the eighth flow passage opening (180) are circumferentially distributed along the axial direction of the valve core (200).

3. The multi-way valve according to claim 2, wherein the spool (200) comprises a first rotating part (210), a partition part (220) and a second rotating part (230) connected in sequence, the first rotating part (210) is provided with three first flow passages (201) for matching the first flow passage opening so as to communicate or shut off between the first flow passage opening (110), the second flow passage opening (120) and the third flow passage opening (130);

and the second rotating part (230) is provided with four second flow passages (202) which are used for matching the second flow passage mouth, so that the fourth flow passage mouth (140), the fifth flow passage mouth (150), the sixth flow passage mouth (160), the seventh flow passage mouth (170) and the eighth flow passage mouth (180) are communicated or separated, and the separating part (220) is used for separating the first flow passage (201) and the second flow passage (202).

4. A multi-way valve according to claim 3, wherein the first rotating portion (210) comprises a first arc-shaped member (211) and a second arc-shaped member (212) arranged at intervals, and wherein the first arc-shaped member (211) and the second arc-shaped member (212) are connected with the partition portion (220);

and a first flow passage (201) is defined between the first arc-shaped piece (211) and the second arc-shaped piece (212), and the first arc-shaped piece (211) and the second arc-shaped piece (212) respectively define a second flow passage (201) and a third first flow passage (201).

5. The multi-way valve according to claim 2, further comprising seven flow passage lines (500), wherein seven external flow passage openings are formed in the valve body (100), one ends of the seven flow passage lines (500) are respectively communicated with the seven external flow passage openings, and the first flow passage opening is close to the external flow passage opening relative to the second flow passage opening;

the other ends of the two runner pipelines (500) are respectively communicated with the first runner port (110) and the third runner port (130), the other ends of the four runner pipelines (500) are respectively communicated with the fourth runner port (140), the fifth runner port (150), the sixth runner port (160) and the seventh runner port (170), and one runner pipeline (500) is simultaneously communicated with the second runner port (120) and the eighth runner port (180).

6. The multi-way valve of claim 5 wherein the seven external flow ports lie in the same plane.

7. The multi-way valve according to claim 5, further comprising an external leakage sealing ring (600), wherein the external leakage sealing ring (600) is mounted on the valve body (100), seven external leakage flow passage openings (601) are formed in the external leakage sealing ring (600), and the seven external leakage flow passage openings (601) are respectively communicated with the seven external flow passage openings.

8. The multi-way valve of claim 2, further comprising an inner leak seal (700), the inner leak seal (700) being mounted within the valve body (100), the valve spool (200) being rotatably disposed in the inner leak seal (700);

the peripheral wall of the inner leakage sealing ring (700) is provided with eight inner leakage flow passage ports (701), and the eight inner leakage flow passage ports (701) are respectively communicated with the first flow passage port (110), the second flow passage port (120), the third flow passage port (130), the fourth flow passage port (140), the fifth flow passage port (150), the sixth flow passage port (160), the seventh flow passage port (170) and the eighth flow passage port (180).

9. The multi-way valve of claim 1, further comprising an actuator (400), the actuator (400) being drivingly connected to the valve spool (200), the actuator (400) being configured to drive rotation of the valve spool (200).

10. A thermal management system comprising the multi-way valve of any one of claims 1-9.