CN112879601A

CN112879601A - Multi-way valve, valve core, valve body and thermal management system

Info

Publication number: CN112879601A
Application number: CN202110274537.7A
Authority: CN
Inventors: 马俊; 王宏伟; 盛祥曦; 陈开星; 严爱秀; 樊栖
Original assignee: Zhejiang Yinlun Machinery Co Ltd
Current assignee: Zhejiang Yinlun Machinery Co Ltd
Priority date: 2021-03-11
Filing date: 2021-03-11
Publication date: 2021-06-01

Abstract

The invention relates to the technical field of fluid control, in particular to a multi-way valve, a valve core, a valve body and a thermal management system. The multi-way valve comprises a valve body and a valve core arranged in an inner cavity of the valve body; the valve body comprises a valve body and a plurality of circulation ports arranged on the valve body, a first layer of circulation section and a second layer of circulation section are arranged on the valve body along the axial direction of the valve core, a first circulation port, a second circulation port and a third circulation port are arranged on the first layer of circulation section, and a fourth circulation port and a fifth circulation port are arranged on the second layer of circulation section; the valve core comprises a valve core body, a first circulation cavity, a second circulation cavity and a third circulation cavity, wherein the first circulation cavity, the second circulation cavity and the third circulation cavity are arranged in the valve core body; the first flow-through chamber is capable of communicating one of the first flow-through port and the second flow-through port with the third flow-through port, the second flow-through chamber is capable of communicating with the other of the first flow-through port and the second flow-through port, the third flow-through chamber is in communication with the second flow-through chamber, and at least one of the fourth flow-through port and the fifth flow-through port is capable of communicating with the third flow-through chamber.

Description

Multi-way valve, valve core, valve body and thermal management system

Technical Field

The invention relates to the technical field of fluid control, in particular to a multi-way valve, a valve core, a valve body and a thermal management system.

Background

The fluid control is a closed control loop formed by various control elements (such as pumps, valves and oil cylinders) and hydraulic system accessories (such as filters, pipeline joints, liquid level meters, pressure meters and the like) of fluid so as to carry out automatic control, and the fluid control is divided into hydraulic control and pneumatic control. In a flow control system, valves play an important role. In some fluid control systems, the flow of different fluids needs to be controlled, and a combination of a three-way valve and a four-way valve is needed, wherein the three-way valve realizes the reversing or proportional adjustment of the fluids, and the four-way valve realizes the reversing of the fluids.

Disclosure of Invention

The invention aims to provide a multi-way valve, which solves the technical problems that the structure of a fluid control system is complicated due to the arrangement of a three-way valve and a four-way valve in the prior art to a certain extent, and the structure of the fluid control system is more complicated particularly when the combination of the three-way valve and the four-way valve is used for multiple times.

The invention provides a multi-way valve, comprising: a valve body and a valve core; the valve body comprises a valve body and a plurality of flow ports arranged on the valve body, the valve body is arranged in a hollow mode to form a valve body inner cavity, and the valve core is arranged in the valve body inner cavity; along the axial direction of the valve core, a first layer of circulation section and a second layer of circulation section are arranged on the valve body, wherein a first circulation port, a second circulation port and a third circulation port are arranged on the first layer of circulation section, and a fourth circulation port and a fifth circulation port are arranged on the second layer of circulation section; the valve core comprises a valve core body, a first circulation cavity, a second circulation cavity and a third circulation cavity, wherein the first circulation cavity, the second circulation cavity and the third circulation cavity are arranged in the valve core body;

the first flow port is capable of communicating one of the first and second flow ports with the third flow port, the second flow port is capable of communicating with the other of the first and second flow ports, the third flow port is in communication with the second flow chamber, and at least one of the fourth and fifth flow ports is capable of communicating with the third flow chamber.

According to the multi-way valve, the first layer can realize medium reversing, the second layer and the first layer of the multi-way valve are combined to realize medium reversing, and when the fourth circulation port and the fifth circulation port are communicated with the third circulation cavity, the area of the communication between the fourth circulation port and the third circulation cavity and the area of the communication between the fifth circulation port and the third circulation cavity can be adjusted through rotation of the valve core, so that the quantity of the medium entering the fourth circulation port and the fifth circulation port is different, and further the proportion adjustment of the medium can be realized. The multi-way valve provided by the invention can realize the turning and proportional adjustment of media, namely, the multi-way valve integrates the functions of a three-way valve and a four-way valve, and can reduce the number of valves in a fluid control system, thereby simplifying the structure of the fluid control system and reducing the occupied space of the fluid control system; in addition, the number of valves is reduced, assembly can be reduced, assembly errors are reduced, and reliability of the fluid control system is improved.

Furthermore, along the axial direction of the valve core, a first layer interface section corresponding to the first layer of flow section and a second layer interface section corresponding to the second layer of flow section are arranged on the valve core body; the first layer of interface section is provided with the first circulation cavity, the second circulation cavity, a first communication interface communicated with two sides of the first circulation cavity and a second communication interface communicated with two sides of the second circulation cavity;

the cross-sectional area of the first communication port and the cross-sectional area of the second communication port are both smaller than the smallest one of the cross-sectional area of the first circulation port, the area of the second circulation hole and the cross-sectional area of the third circulation port.

Further, the second layer interface section is provided with a third communication interface which can be communicated with at least one of the fourth communication port and the fifth communication port, and the third communication cavity is communicated with the third communication interface; the cross-sectional area of the third communication port is greater than the smallest of the cross-sectional area of the fourth communication port and the cross-sectional area of the fifth communication port.

Further, the valve core is a whole; the number of the third communication interfaces is three, the three third communication interfaces are arranged along the circumferential direction of the valve core at intervals, two adjacent third communication interfaces form an interval, in the three intervals, the area of the outer side wall of the first interval and the area of the outer side wall of the second interval are both larger than the largest one of the cross sectional area of the fourth circulation port and the cross sectional area of the fifth circulation port, and the area of the outer side wall of the third interval is respectively larger than the largest one of the area of the outer side wall of the first interval and the area of the outer side wall of the second interval.

Further, the second flow-through cavity is located above the third partition.

Further, the valve core body comprises a solid part and a cavity part, the solid part is arranged on the first layer interface section, and the first circulation cavity and the first communication interface are both arranged on the solid part; the portion of the cavity portion located at the first layer interface section forms the second flow-through cavity, and the portion of the cavity portion located at the second layer interface section forms the third flow-through cavity.

Further, the first flow port, the second flow port, and the third flow port are provided at intervals in the circumferential direction of the valve body, and the width of the interval between the second flow port and the third flow port is equal to the width of the interval between the first flow port and the third flow port.

Further, the valve body further comprises a plurality of flow port extensions; a plurality of the flow opening extension with a plurality of with the flow opening one-to-one sets up, the one end of flow opening extension with the inner chamber intercommunication of valve body, the other end opening setting of flow opening extension is in order to form flow opening, and is a plurality of flow opening is located the coplanar.

Furthermore, a reinforcing plate is arranged between the flow port extending part corresponding to the fourth flow port and the flow port extending part corresponding to the fifth flow port in the plurality of flow port extending parts;

and/or a reinforcing rib is arranged between the flow port extending part and the valve body.

Furthermore, the multi-way valve also comprises a sealing ring, and the sealing ring is arranged between the valve body and the valve core;

and/or the multi-way valve further comprises an actuating assembly, and the actuating assembly is in transmission connection with the valve core.

The invention provides a valve core which is used for the multi-way valve.

Furthermore, along the axial direction of the valve core, a first layer interface section corresponding to the first layer of flow section and a second layer interface section corresponding to the second layer of flow section are arranged on the valve core body; the first layer of interface section is provided with the first circulation cavity, the second circulation cavity, a first communication interface communicated with two sides of the first circulation cavity and a second communication interface communicated with two sides of the second circulation cavity.

Further, the second layer interface section is provided with a third communication interface which can be communicated with at least one of the fourth communication port and the fifth communication port, and the third communication cavity is communicated with the third communication interface; the cross-sectional area of the third communication port is larger than the cross-sectional area of the communication port of the smallest one of the cross-sectional areas of the fourth communication port and the fifth communication port.

Further, the valve core is a whole; the number of the third communication interfaces is three, the three third communication interfaces are arranged along the circumferential interval of the valve core, two adjacent third communication interfaces form an interval, in the three intervals, the area of the outer side wall of the first interval and the area of the outer side wall of the second interval are both larger than the largest one of the cross sectional area of the fourth circulation port and the cross sectional area of the fifth circulation port, and the area of the outer side wall of the third interval is respectively larger than the area of the outer side wall of the area interval of the outer side wall of the largest one of the area of the outer side wall of the first interval and the area of the outer side wall of the second interval.

Further, the second flow-through cavity is disposed opposite the third space.

The invention provides a valve body, which is used for the multi-way valve; the valve body comprises a valve body, and a first layer of flow section and a second layer of flow section are arranged on the valve body at intervals along the axial direction of the valve core; the first layer circulation section is provided with a first circulation port, a second circulation port and a third circulation port, and the second layer circulation section is provided with a fourth circulation port and a fifth circulation port.

Further, the first circulation port, the second circulation port and the third circulation port are arranged along the circumferential interval of the valve body, and the area of the outer side wall of the interval between the first circulation port and the second circulation port is larger than the area of the outer side wall of the interval between the second circulation port and the third circulation port and larger than the area of the outer side wall of the interval between the first circulation port and the third circulation port.

The invention provides a thermal management system which comprises one or more multi-way valves.

It is to be understood that both the foregoing general description and the following detailed description are for purposes of illustration and description and are not necessarily restrictive of the disclosure. The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate the subject matter of the disclosure. Together, the description and drawings serve to explain the principles of the disclosure.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

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

FIG. 2 is a schematic view of a split configuration of the multi-way valve shown in FIG. 1;

FIG. 3 is a schematic illustration of the configuration of the valve cartridge of the multi-way valve of FIG. 1;

FIG. 4 is a cut-away view of the valve cartridge of FIG. 3 from a first perspective;

FIG. 5 is a cut-away view of the valve cartridge of FIG. 3 from a second viewing angle;

FIG. 6 is a schematic view of the valve body of the multi-way valve of FIG. 1;

FIG. 7 is a schematic representation of a first layer of the multi-way valve of FIG. 1 in a first mode of operation;

FIG. 8 is a schematic illustration of a second level of the multi-way valve of FIG. 5 in a first mode of operation;

FIG. 9 is a schematic representation of a first layer of the multi-way valve of FIG. 1 in a second mode of operation;

FIG. 10 is a schematic illustration of a second level of the multi-way valve of FIG. 1 in a second mode of operation;

FIG. 11 is a schematic representation of the first layer of the multi-way valve of FIG. 1 in a third mode of operation;

FIG. 12 is a schematic illustration of a second level of the multi-way valve of FIG. 1 in a third mode of operation;

FIG. 13 is a schematic representation of a first layer of the multi-way valve of FIG. 1 in a fourth mode of operation;

FIG. 14 is a schematic illustration of a second level of the multi-way valve of FIG. 1 in a fourth mode of operation;

FIG. 15 is a schematic representation of a first layer of the multi-way valve of FIG. 1 in a fifth mode of operation;

FIG. 16 is a schematic illustration of a second level of the multi-way valve of FIG. 1 in a fifth mode of operation;

FIG. 17 is a schematic representation of a first layer of the multi-way valve of FIG. 1 in a sixth mode of operation;

FIG. 18 is a schematic illustration of a second level of the multi-way valve of FIG. 1 in a sixth mode of operation.

Icon: 10-a valve body; 20-a valve core; 30-an execution component; 40-a sealing ring; 50-blocking cover; 11-a valve body; 12-a first circulation port; 13-a second flow port; 14-a third flow port; 15-a fourth flow port; 16-a fifth flow port; 17-a flow port extension; 18-a reinforcement plate; 19-reinforcing ribs; 111-valve body cavity; 21-valve core body; 22-a first flow-through cavity; 23-a second flow-through chamber; 24-a third flow-through chamber; 25-a first communication interface; 26-a second communication interface; 27-a third communication interface.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.

The components of 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 present invention, 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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," and "fifth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the present embodiment, the term "area of the outer sidewall of the spacer" refers to the area of the sidewall of the spacer facing the inner cavity of the valve body.

As shown in fig. 1 to 18, the present invention provides a multi-way valve including: a valve body 10 and a valve spool 20; the valve body 10 comprises a valve body 11 and a plurality of circulation ports arranged on the valve body 11, the valve body 11 is arranged in a hollow mode to form a valve body inner cavity 111, and the valve core 20 is arranged in the valve body inner cavity 111; along the axial direction of the valve core 20, a first layer of circulation section and a second layer of circulation section are arranged on the valve body 11 at intervals, wherein a first circulation port 12, a second circulation port 13 and a third circulation port 14 are arranged on the first layer of circulation section, and a fourth circulation port 15 and a fifth circulation port 16 are arranged on the second layer of circulation section; the spool 20 includes a spool body 21, and a first flow-through chamber 22, a second flow-through chamber 23, and a third flow-through chamber 24 provided in the spool body 21; the first communication chamber 22 can communicate one of the first communication port 12 and the second communication port 13 with the third communication port 14, the second communication chamber 23 can communicate with the other of the first communication port 12 and the second communication port 13, the third communication chamber 24 can communicate with the second communication chamber 23, and at least one of the fourth communication port 15 and the fifth communication port 16 can communicate with the third communication chamber 24.

In this embodiment, the number of the ports is plural, and the first port 12, the second port 13, the third port 14, the fourth port 15, and the fifth port 16 are present among the plural ports. The multi-way valve may include two layers, a first layer of the multi-way valve corresponding to a first layer of flow segments of the valve body 10 and a second layer of the multi-way valve corresponding to a second layer of flow segments of the valve body 10. During the rotation of the valve core 20 with its own axis as a rotation center, the position of the circulation chamber in the valve core 20 relative to the valve body 10 changes, during the rotation of the valve core 20, the first circulation chamber 22 can communicate one of the first circulation port 12 and the second circulation port 13 with the third circulation port 14, the second circulation chamber 23 can communicate with the other of the first circulation port 12 and the second circulation port 13, the third circulation chamber 24 communicates with the second circulation chamber 23, and at least one of the fourth circulation port 15 and the fifth circulation port 16 can communicate with the third circulation chamber 24, which may be in the following six modes:

the first method comprises the following steps: the first circulation chamber 22 communicates the first circulation port 12 with the third circulation port 14, the second circulation chamber 23 communicates with the second circulation port 13, and the third circulation chamber 24 communicates the second circulation chamber 23 with the fourth circulation port 15; in the first layer of the multi-way valve, the media flow paths are the first through-opening 12, the first through-chamber 22 and the third through-opening 14; in the second layer of the multi-way valve and in the first layer of the multi-way valve, the medium flows through the fourth through-opening 15, the third through-chamber 24, the second through-chamber 23 and the second through-opening 13.

And the second method comprises the following steps: the first circulation chamber 22 communicates the first circulation port 12 with the third circulation port 14, the second circulation chamber 23 communicates with the second circulation port 13, and the third circulation chamber 24 communicates the second circulation chamber 23 with the fifth circulation port 16; in the first layer of the multi-way valve, the media flow paths are the first through-opening 12, the first through-chamber 22 and the third through-opening 14; in the second layer of the multi-way valve and in the first layer of the multi-way valve, the medium flows through the fifth through-opening 16, the third through-opening 24, the second through-opening 23 and the second through-opening 13.

And the third is that: the first communication chamber 22 communicates the first communication port 12 with the third communication port 14, the second communication chamber 23 with the second communication port 13, and the third communication chamber 24 communicates the second communication chamber 23 with the fourth communication port 15 and the fifth communication port 16; in the first layer of the multi-way valve, the media flow paths are the first through-opening 12, the first through-chamber 22 and the third through-opening 14; in the second layer of the multi-way valve and in the first layer of the multi-way valve, the medium flows through the fourth port 15, the fifth port 16, the third flow-through chamber 24, the second flow-through chamber 23 and the second port 13.

And fourthly: the first circulation chamber 22 communicates the second circulation port 13 with the third circulation port 14, the second circulation chamber 23 communicates with the first circulation port 12, and the third circulation chamber 24 communicates the second circulation chamber 23 with the fourth circulation port 15; in the first layer of the multi-way valve, the medium flows through the second through opening 13, the first through cavity 22 and the third through opening 14; in the second layer of the multi-way valve and in the first layer of the multi-way valve, the medium flows through the fourth through-opening 15, the third through-chamber 24, the second through-chamber 23 and the first through-opening 12.

And a fifth mode: the first circulation chamber 22 communicates the second circulation port 13 with the third circulation port 14, the second circulation chamber 23 communicates with the first circulation port 12, and the third circulation chamber 24 communicates the second circulation chamber 23 with the fifth circulation port 16; in the first layer of the multi-way valve, the medium flows through the second through opening 13, the first through cavity 22 and the third through opening 14; in the second layer of the multi-way valve and in the first layer of the multi-way valve, the medium flows through the fifth passage 16, the third passage 24, the second passage 23 and the first passage 12.

And a sixth mode: the first communication chamber 22 communicates the second communication port 13 with the third communication port 14, the second communication chamber 23 with the first communication port 12, and the third communication chamber 24 communicates the second communication chamber 23 with the fourth communication port 15 and the fifth communication port 16; in the first layer of the multi-way valve, the medium flows through the second through opening 13, the first through cavity 22 and the third through opening 14; in the second layer of the multi-way valve and in the first layer of the multi-way valve, the medium flows through the fourth port 15, the fifth port 16, the third flow chamber 24, the second flow chamber 23 and the first port 12.

It should be noted that the above "flow path of the medium" merely illustrates which structures the medium flows through, and is not a limitation on the flow direction of the medium, and which communication port is an inlet and which communication port is an outlet may be provided as needed.

For convenience of description, the first port 12 is defined as a port a, the second port 13 is defined as a port B, the third port 14 is defined as a port C, the fourth port 15 is defined as a port D, and the fifth port 16 is defined as a port E. The six working modes of the multi-way valve are described by taking ports A and B as medium outlets and ports C, D and E as medium inlets as examples:

in the first mode: as shown in fig. 7 and 8, the medium flows into the multi-way valve from the port C, flows through the first circulation cavity 22 and then flows out of the multi-way valve from the port a; the medium flows into the multi-way valve from the port D, then flows through the third flow-through cavity 24 and the second flow-through cavity 23, and finally flows out of the multi-way valve from the port B.

In the second mode: as shown in fig. 9 and 10, the medium flows into the multi-way valve from the port C, flows through the first circulation chamber 22, and then flows out of the multi-way valve from the port a; the medium flows into the multi-way valve from the port E, then flows through the third flow-through cavity 24 and the second flow-through cavity 23, and finally flows out of the multi-way valve from the port B.

The third mode: as shown in fig. 11 and 12, the medium flows into the multi-way valve from the port C, flows through the first circulation chamber 22, and then flows out of the multi-way valve from the port a; the medium flows into the multi-way valve from the ports D and E, then flows through the third flow-through cavity 24 and the second flow-through cavity 23, and finally flows out of the multi-way valve from the port B.

The fourth mode: as shown in fig. 13 and 14, the medium flows into the multi-way valve from the port C, flows through the first circulation chamber 22, and then flows out of the multi-way valve from the port B; the medium flows into the multi-way valve from the port D, then flows through the third flow-through cavity 24 and the second flow-through cavity 23, and finally flows out of the multi-way valve from the port A.

The fifth mode: as shown in fig. 15 and 16, the medium flows into the multi-way valve from port C, flows through the first flow-through chamber 22, and then flows out of the multi-way valve from port B; the medium flows into the multi-way valve from the port E, then flows through the third flow-through cavity 24 and the second flow-through cavity 23, and finally flows out of the multi-way valve from the port A.

The third mode: as shown in fig. 17 and 18, the medium flows into the multi-way valve from port C, flows through the first flow-through chamber 22, and then flows out of the multi-way valve from port B; the medium flows into the multi-way valve from the ports D and E, then flows through the third flow-through cavity 24 and the second flow-through cavity 23, and finally flows out of the multi-way valve from the port A.

The first layer of the multi-way valve provided by the embodiment can realize the reversing of the medium, the combination of the second layer and the first layer of the multi-way valve can realize the reversing of the medium, when the fourth circulation port 15 and the fifth circulation port 16 are both communicated with the third circulation cavity 24, the area of the communication between the fourth circulation port 15 and the third circulation cavity and the area of the communication between the fifth circulation port 16 and the third circulation cavity can be adjusted through the rotation of the valve core 20, so that the medium enters the fourth circulation port 15 and the fifth circulation port 16 in different amounts, and further the proportional adjustment of the medium can be realized. The multi-way valve provided by the embodiment can realize the turning and proportion adjustment of the medium, namely, the multi-way valve provided by the embodiment integrates the functions of a three-way valve and a four-way valve, and can reduce the number of valves in a fluid control system, thereby simplifying the structure of the fluid control system and reducing the occupied space of the fluid control system; the multi-way valve provided by the invention has high integration, small volume and low cost, and can realize complex flow channel switching in a flow control system; the number of the valves is reduced, assembly can be reduced, assembly errors are reduced, reliability of the fluid control system is improved, control of a client is simple, a plurality of water valves in the related technology need to be independently controlled and driven by a whole vehicle, and the multi-way valve provided by the embodiment needs a control port to be connected with the whole vehicle.

Specifically, as shown in fig. 1 to 5, along the axial direction of the valve core 20, a first interface section corresponding to the first layer of flow section and a second interface section corresponding to the second layer of flow section are arranged on the valve core body 21; the first layer interface section is provided with a first circulation cavity 22, a second circulation cavity 23, a first communication interface 25 communicated with two sides of the first circulation cavity 22 and a second communication interface 26 communicated with two sides of the second circulation cavity 23; the area of the first communication port 25 and the area of the second communication port 26 are both smaller than the smallest one of the area of the first circulation port 12, the area of the second circulation hole, and the area of the third circulation port 14.

In this embodiment, the size of the cross-sectional area of the first communication port 25 and the size of the cross-sectional area of the second communication port 26 may be set according to specific needs, and optionally, the area of the first communication port 25 and the area of the second communication port 26 are both smaller than the smallest one of the area of the first circulation port 12, the area of the second circulation hole, and the area of the third circulation port 14, which is favorable for the medium to flow.

The shape and area of the first circulation port 12, the second circulation port 13 and the third circulation port 14 may be different, and optionally, the shape and area of the three circulation ports are the same, which facilitates processing and manufacturing, and also facilitates setting of the valve element 20.

In addition to the above embodiment, the second layer interface section is further provided with a third communication interface 27 capable of communicating with at least one of the fourth communication port 15 and the fifth communication port 16, and the third communication cavity is communicated with the third communication interface 27; the area of the third communication port 27 is larger than the smallest one of the area of the fourth communication port 15 and the area of the fifth communication port 16.

In this embodiment, the medium may enter the third communication chamber 24 through the third communication port 27, and when the fourth communication port 15 is communicated with the third communication port 27 or the fifth communication port 16 is communicated with the third communication port 27, the fourth communication port 15 or the fifth communication port 16 is communicated with the third communication chamber 24. The area of the third communication port 27 is larger than the smallest one of the areas of the fourth communication port 15 and the fifth communication port 16, facilitating the medium flow.

The number of the third communication interfaces 27 may be set according to specific needs, for example: the valve core 20 is a split structure, that is, the valve core 20 includes a first valve core section and a second valve core section, the first layer interface section is located on the first valve core section, the second layer interface section is located on the second valve core section, the first valve core section and the second valve core section are respectively driven by an executing assembly 30, that is, the rotation of the first valve core section and the rotation of the second valve core section are independent from each other, but it is required to ensure that the third flow-through cavity 24 and the second flow-through cavity 23 are always communicated, a communication part of the second flow-through cavity 23 and the third flow-through cavity 24 can be set as a strip-shaped hole, correspondingly, a communication part of the third flow-through cavity 24 and the second flow-through cavity 23 is also set as a strip-shaped hole, and the two strip-shaped holes always have a communication part in the rotation process of the valve core 20; the third communication ports 27 are provided in the second spool 20, the number of the third communication ports 27 may be two, and by setting the positions of the two third communication ports 27 and the size of the space between the two third communication ports 27, the fourth communication port 15 may be communicated with the third communication chamber, or the fifth communication port 16 may be communicated with the third communication chamber 24, or both the fourth communication port 15 and the fifth communication port 16 may be communicated with the third communication chamber 24.

As an alternative, the valve core 20 is a whole, and the valve core 20 can be driven to rotate through the execution assembly 30, so that the multi-way valve is simple in structure and high in integration degree. Specifically, the number of the third communication ports 27 is three, three third communication ports 27 are arranged at intervals in the circumferential direction of the valve body 20, two adjacent third communication ports 27 form one interval, the area of the outer side wall of the first interval and the area of the outer side wall of the second interval in the three intervals are both larger than the largest one of the area of the fourth communication port 15 and the area of the fifth communication port 16, and the area of the outer side wall of the third interval is respectively larger than the largest one of the area of the outer side wall of the first interval and the area of the outer side wall of the second interval.

The shape and area of the fourth circulation port 15 and the fifth circulation port 16 may be different, optionally, the shape of the fourth circulation port 15 is the same as the shape of the fifth circulation port 16, and the area of the fourth circulation port 15 is the same as the area of the fifth circulation port 16, so that the valve body 10 is conveniently machined, and the valve element 20 is also conveniently arranged.

In addition to the above-described embodiments, the second flow-through chamber 23 is located above the third interval, so that the multi-way valve can realize the above-described six operation modes when the valve body 10 is engaged with the valve body 20 when the valve body 20 is integrally provided.

The communication mode of the second through cavity 23 and the third through cavity 24 may be various, for example: the valve core body 21 is arranged in a solid manner, a first through hole and a second through hole are formed in the first layer of interface section of the valve core body 21, and the first through hole penetrates from one side of the valve core body to the other side of the valve core body, so that a first circulation cavity 22 is formed; the second through hole penetrates from one side of the valve core body to the other side of the valve core body, so that a second through cavity 23 is formed; in the second layer interface section of the valve core body, each third communication interface 27 is taken as a starting end to be provided with a circulation groove until the other end of the circulation groove is communicated with the second circulation cavity 23, and a plurality of circulation grooves form a third circulation cavity 24; or, the first layer interface section of the valve core body 21 is solid, the first layer interface section is provided with a first through hole and a second through hole, and the first through hole penetrates from one side of the valve core body to the other side of the valve core body, so as to form a first circulation cavity 22; the second through hole is run through to the opposite side of case body by one side of case body to form second circulation chamber 23, second layer interface section cavity setting, the inner chamber that the cavity setting of second layer interface section formed is third circulation chamber 24 promptly, sets up the intercommunicating pore on second circulation chamber 23, in order to communicate with third circulation chamber 24.

Alternatively, as shown in fig. 3, the spool body 21 includes a solid portion provided on the first layer interface section and a cavity portion on which the first communication chamber 22 and the first communication interface 25 are provided; the part of the cavity part located at the first layer interface section forms a second communication cavity 23, the part of the cavity part located at the second layer interface section forms a third communication cavity 24, it can also be understood that the second communication cavity 23 and the third communication cavity 24 are integrated, and the medium enters the third communication interface 27 from the fourth communication port 15 or the fifth communication port 16, then enters the inner cavity of the valve core body 21, and then flows out to the first communication port 12 or the second communication port 13 from the second communication interface 26. The valve core 20 with the structure has simple structure and is convenient to process and manufacture.

In addition to the above-mentioned embodiments, further, the first flow port, the second flow port, and the third flow port are provided at intervals along the circumferential direction of the valve body, and the width of the interval between the second flow port and the third flow port is equal to the width of the interval between the first flow port and the third flow port, and it can be understood that, in the circumferential direction of the valve body, the first flow port and the third flow port are provided at a set central angle, and the second flow port and the third flow port are provided at the same set central angle, which may be set according to specific situations, for example: the central angle is set to 60 °, 90 °, 120 °, or the like, and this structure can be engaged with the valve element 20 of an integral structure, thereby realizing the above-described six operation modes.

As shown in fig. 1 and 2, in addition to the above-mentioned embodiments, the valve body 10 further includes a plurality of flow port extensions 17; a plurality of circulation mouth extension 17 and a plurality of and circulation mouth one-to-one set up, the one end of circulation mouth extension 17 and the inner chamber intercommunication of valve body 10, the other end opening setting of circulation mouth extension 17 is in order to form circulation mouth, a plurality of circulation mouths are located the coplanar, this plane can be the installation face of multi-way valve, set up the exit of medium in the coplanar through circulation mouth extension 17, then make things convenient for the installation of multi-way valve for pipeline structure is simple, regular.

The structure of the plurality of flow port extending portions 17 differs depending on the position of the flow port.

As shown in fig. 1 and 4, in addition to the above-described embodiment, the flow port extending portion 17 corresponding to the fourth flow port 15 is the left flow port extending portion 17, the flow port extending portion 17 corresponding to the fifth flow port 16 is the right flow port extending portion 17, and the reinforcing plate 18 is provided between the left flow port extending portion 17 and the right flow port extending portion 17, thereby improving the strength of the valve body 10.

Alternatively, the reinforcing rib 19 is provided between the flow port extending portion 17 and the valve body 11, thereby improving the strength of the entire valve body 10.

Optionally, a reinforcing plate 18 is disposed between the left flow port extending portion 17 and the right flow port extending portion 17, and a reinforcing rib 19 is disposed between the flow port extending portion 17 and the valve body 11, so as to further improve the strength of the whole valve body 10.

In addition to the above embodiments, a sealing ring 40 is further disposed between the valve core 20 and the valve body 10, and the sealing ring 40 improves the sealing performance of the multi-way valve and prevents leakage of the multi-way valve.

The multi-way valve further comprises an actuating assembly 30, and the actuating assembly 30 is in transmission connection with the valve core 20 to drive the valve core 20 to rotate, so that the corresponding working mode is realized.

The valve body 10 may be opened at both ends, and one end of the valve body 10 is sealed by the cap 50 and the other end is used for installing the valve core 20.

On the basis of the above embodiment, further, the present invention provides a thermal management system, including the above multi-way valve, and this embodiment includes the multi-way valve in any one of the above technical solutions, which naturally includes the technical effects of any one of the above technical solutions, and will not be described again here.

The number of the multi-way valves can be one or more (for example, two, three or four, etc.), and a plurality of multi-way valves can be combined to realize more working modes.

The invention also provides a valve core 20 which is used for the multi-way valve with the valve core, wherein the valve core 20 comprises a valve core body 21 and a first flow-through cavity 22, a second flow-through cavity 23 and a third flow-through cavity 24 which are arranged on the valve core body 21.

It should be noted that the thermal management system provided in this embodiment may be a thermal management system of a common vehicle, and may also be a thermal management system of a new energy vehicle.

On the basis of the above embodiment, further, along the axial direction of the valve core body 21, the valve core body 21 is provided with a first interface section corresponding to the first layer of flow section and a second interface section corresponding to the second layer of flow section at intervals; the first interface section is provided with a first circulation cavity 22 and a second circulation cavity 23, two ends of the first circulation cavity 22 penetrate through the valve core body 21 to form two first communication interfaces 25, and two ends of the second circulation cavity 23 penetrate through the valve core body 21 to form two second communication interfaces 26.

In addition to the above embodiment, the second port section is further provided with a valve element 20 port capable of communicating with at least one of the fourth communication port 15 and the fifth communication port 16, one side of the third communication chamber is communicated with the valve element 20 port, and the other side of the third communication chamber 24 is communicated with the second communication chamber 23; the area of the valve element 20 port is larger than the smallest one of the area of the fourth communication port 15 and the area of the fifth communication port 16.

On the basis of the above embodiment, further, the valve core 20 is an integral body; the number of the valve core 20 interfaces is three, the three valve core 20 interfaces are arranged at intervals along the circumferential direction of the valve core 20, an interval is formed between two adjacent valve core 20 interfaces, and in the three intervals, the area of the outer side wall of the third interval is respectively larger than the largest one of the area of the outer side wall of the first interval and the area of the outer side wall of the second interval.

On the basis of the above-described embodiment, further, the second circulation chamber 23 is disposed opposite to the third space, that is, the second circulation chamber may be disposed above or below the third space.

On the basis of the above embodiment, further, the spool body 21 includes a solid portion and a cavity portion, the solid portion is disposed on the first layer interface section, and the first communication cavity 22 and the first communication interface 25 are both disposed on the solid portion; the portion of the cavity portion at the first layer interface section forms a second flow-through chamber 23 and the portion of the cavity portion at the second layer interface section forms a third flow-through chamber 24.

It should be noted that the description of the valve element 20 has been described above, and is not repeated.

The invention provides a valve body 10, which is used for the multi-way valve, wherein the valve body 10 comprises a valve body 11, and a first layer of flow section and a second layer of flow section are arranged on the valve body 11 at intervals along the axial direction of a valve core 20; the first layer of circulation section is provided with a first circulation port 12, a second circulation port 13 and a third circulation port 14, and the second layer of circulation section is provided with a fourth circulation port 15 and a fifth circulation port 16.

In addition to the above-described embodiment, the first communication port 12, the second communication port 13, and the third communication port 14 are provided at intervals in the circumferential direction of the valve body 11, and the area of the outer side wall of the interval between the first communication port 12 and the second communication port 13 is larger than the area of the outer side wall of the interval between the second communication port 13 and the third communication port 14 and the area of the outer side wall of the interval between the first communication port 12 and the third communication port.

On the basis of the above embodiment, further, the valve body 10 further includes a plurality of flow port extensions 17; a plurality of flow opening extension 17 with a plurality of with the flow opening one-to-one sets up, the one end of flow opening extension 17 with the inner chamber intercommunication of valve body 10, the other end opening setting of flow opening extension 17 is in order to form flow opening, and is a plurality of flow opening is located the coplanar.

In addition to the above-described embodiment, further, a reinforcing plate 18 is provided between the flow port extending portion 17 corresponding to the fourth flow port 15 and the flow port extending portion 17 corresponding to the fifth flow port 16 among the plurality of flow port extending portions 17; and/or a reinforcing rib 19 is arranged between the flow opening extension part 17 and the valve body 11.

It should be noted that the description of the valve body 10 has already been described above and is not repeated again.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention. In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description. Furthermore, those skilled in the art will appreciate that while some embodiments herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments.

Claims

1. A multi-way valve, comprising: a valve body and a valve core; the valve body comprises a valve body and a plurality of flow ports arranged on the valve body, the valve body is arranged in a hollow mode to form a valve body inner cavity, and the valve core is arranged in the valve body inner cavity; along the axial direction of the valve core, a first layer of circulation section and a second layer of circulation section are arranged on the valve body, wherein a first circulation port, a second circulation port and a third circulation port are arranged on the first layer of circulation section, and a fourth circulation port and a fifth circulation port are arranged on the second layer of circulation section; the valve core comprises a valve core body, a first circulation cavity, a second circulation cavity and a third circulation cavity, wherein the first circulation cavity, the second circulation cavity and the third circulation cavity are arranged in the valve core body;

2. The multi-way valve of claim 1, wherein the valve core body is provided with a first layer of interface sections corresponding to the first layer of flow sections and a second layer of interface sections corresponding to the second layer of flow sections along the axial direction of the valve core; the first layer of interface section is provided with the first circulation cavity, the second circulation cavity, a first communication interface communicated with two sides of the first circulation cavity and a second communication interface communicated with two sides of the second circulation cavity;

3. The multi-way valve of claim 2, wherein the second layer interface section is provided with a third communication interface communicable with at least one of the fourth and fifth flow ports, the third flow chamber being in communication with the third communication interface; the cross-sectional area of the third communication port is greater than the smallest of the cross-sectional area of the fourth communication port and the cross-sectional area of the fifth communication port.

4. The multi-way valve of claim 3, wherein the valve spool is one piece; the number of the third communication interfaces is three, the three third communication interfaces are arranged along the circumferential direction of the valve core at intervals, two adjacent third communication interfaces form an interval, in the three intervals, the area of the outer side wall of the first interval and the area of the outer side wall of the second interval are both larger than the largest one of the cross sectional area of the fourth circulation port and the cross sectional area of the fifth circulation port, and the area of the outer side wall of the third interval is respectively larger than the largest one of the area of the outer side wall of the first interval and the area of the outer side wall of the second interval.

5. The multi-way valve of claim 4, wherein the second flow-through cavity is located above the third space.

6. The multi-way valve of claim 4, wherein the cartridge body includes a solid portion disposed on the first layer interface section and a cavity portion, the first communication cavity and the first communication interface both disposed on the solid portion; the portion of the cavity portion located at the first layer interface section forms the second flow-through cavity, and the portion of the cavity portion located at the second layer interface section forms the third flow-through cavity.

7. The multi-way valve of any one of claims 1-6, wherein the first, second, and third flow ports are spaced apart along a circumference of the valve body, and wherein a width of the space between the second and third flow ports is equal to a width of the space between the first and third flow ports.

8. The multi-way valve of claim 7, wherein the valve body further comprises a plurality of flow port extensions; a plurality of the flow opening extension with a plurality of with the flow opening one-to-one sets up, the one end of flow opening extension with the inner chamber intercommunication of valve body, the other end opening setting of flow opening extension is in order to form flow opening, and is a plurality of flow opening is located the coplanar.

9. The multi-way valve of claim 8, wherein a reinforcement plate is disposed between a flow port extension corresponding to the fourth flow port and a flow port extension corresponding to the fifth flow port of the plurality of flow port extensions;

10. The multi-way valve of claim 1, further comprising a seal ring disposed between the valve body and the valve spool;

11. A cartridge for a multi-way valve according to any of claims 1 to 10, the cartridge comprising a cartridge body and a first, a second and a third flow-through chamber provided on the cartridge body.

12. The valve cartridge according to claim 11, wherein a first layer interface section corresponding to the first layer flow section and a second layer interface section corresponding to the second layer flow section are provided on the valve cartridge body in the axial direction of the valve cartridge; the first layer of interface section is provided with the first circulation cavity, the second circulation cavity, a first communication interface communicated with two sides of the first circulation cavity and a second communication interface communicated with two sides of the second circulation cavity.

13. The valve cartridge of claim 12, wherein the second layer interface section is provided with a third communication interface that is communicable with at least one of the fourth and fifth communication ports, the third communication chamber being in communication with the third communication interface; the cross-sectional area of the third communication port is larger than the cross-sectional area of the communication port of the smallest one of the cross-sectional areas of the fourth communication port and the fifth communication port.

14. The valve cartridge according to claim 13, wherein the valve cartridge is a unitary body; the number of the third communication interfaces is three, the three third communication interfaces are arranged along the circumferential interval of the valve core, two adjacent third communication interfaces form an interval, in the three intervals, the area of the outer side wall of the first interval and the area of the outer side wall of the second interval are both larger than the largest one of the cross sectional area of the fourth circulation port and the cross sectional area of the fifth circulation port, and the area of the outer side wall of the third interval is respectively larger than the area of the outer side wall of the area interval of the outer side wall of the largest one of the area of the outer side wall of the first interval and the area of the outer side wall of the second interval.

15. The valve cartridge of claim 14, wherein the second flow-through cavity is disposed opposite the third space.

16. The valve cartridge of claim 14, wherein the cartridge body includes a solid portion disposed on the first layer interface section and a cavity portion, the first communication cavity and the first communication interface both disposed on the solid portion; the portion of the cavity portion located at the first layer interface section forms the second flow-through cavity, and the portion of the cavity portion located at the second layer interface section forms the third flow-through cavity.

17. A valve body for a multi-way valve according to any one of claims 1 to 10; the valve body comprises a valve body, and a first layer of flow section and a second layer of flow section are arranged on the valve body at intervals along the axial direction of the valve core; the first layer circulation section is provided with a first circulation port, a second circulation port and a third circulation port, and the second layer circulation section is provided with a fourth circulation port and a fifth circulation port.

18. The valve body according to claim 17, wherein the first communication port, the second communication port, and the third communication port are provided at intervals in a circumferential direction of the valve body, and a width of an interval between the second communication port and the third communication port is equal to a width of an interval between the first communication port and the third communication port.

19. The valve body of claim 17, further comprising a plurality of flow port extensions; a plurality of the flow opening extension with a plurality of with the flow opening one-to-one sets up, the one end of flow opening extension with the inner chamber intercommunication of valve body, the other end opening setting of flow opening extension is in order to form flow opening, and is a plurality of flow opening is located the coplanar.

20. The valve body according to claim 19, wherein a reinforcing plate is provided between a flow port extension corresponding to the fourth flow port and a flow port extension corresponding to the fifth flow port among the plurality of flow port extensions;

21. A thermal management system comprising a multi-way valve as claimed in any one of claims 1 to 10 in a number of one or more.