Multi-way valve and thermal management system

Abstract

The utility model relates to the technical field of fluid control, in particular to a multi-way valve and a heat management system. The multi-way valve comprises a valve body, and the valve body is provided with a front mounting cavity, a rear mounting cavity, a plurality of inflow ports, a plurality of outflow ports, a first valve body channel and a second valve body channel; the side wall of the front mounting cavity is provided with an inlet communicated with the plurality of inflow ports, an outlet communicated with the plurality of outflow ports and a plurality of steering ports; the first valve body channel is communicated with an inflow port, and the second valve body channel is communicated with an outflow port; an outlet communicated with the outflow opening is formed in the side wall of the rear mounting cavity, and a steering opening is formed in the rear mounting cavity; the front valve element is rotationally arranged in the front mounting cavity, and at least four front communicating channels are formed in the front valve element; and the rear valve element is rotationally arranged in the rear mounting cavity, and at least three rear communicating channels are formed in the front valve element.

Description

Technical Field

[0001] The utility model relates to the technical field of fluid control, in particular to a multi-way valve and a thermal management system. Background Art

[0002] The valve is a control component in the thermal management system, which can be used to control the flow direction, on / off and flow regulation of the fluid. At present, new energy is developing rapidly, and the thermal management system has become a must for new energy vehicles. The valve is a key control component, which is required to switch the flow direction of the fluid to different modes and adjust the fluid ratio. Currently, a combination of four-way valves and five-way valves is usually used to achieve this. In order to achieve more modes, more combinations of four-way valves and five-way valves are required, which makes the structure of the thermal management system complex. Utility Model Content

[0003] The purpose of the utility model is to provide a multi-way valve and a thermal management system, so as to solve the technical problem existing in the prior art that the structure of the thermal management system is complicated to a certain extent.

[0004] The utility model provides a multi-way valve, comprising: a valve body, on which a front mounting cavity, a rear mounting cavity, a plurality of inlets, a plurality of outlets, a first valve body channel and a second valve body channel are provided; on the side wall of the front mounting cavity, an inlet connected to the plurality of inlets, an outlet connected to the plurality of outlets and a plurality of steering ports are provided; the first valve body channel is connected to one of the inlets, and the second valve body channel is connected to one of the outlets; on the side wall of the rear mounting cavity, an outlet connected to the outlet is provided, and the steering port is provided on the rear mounting cavity; a front valve core, the front valve core is rotatably arranged in the front mounting cavity, and at least four front connecting channels are provided on the front valve core; and a rear valve core, the rear valve core is rotatably arranged in the rear mounting cavity, and at least three rear connecting channels are provided on the front valve core.

[0005] Further, the plurality of inlets include a first inlet, a second inlet, a third inlet and a fourth inlet; the plurality of outlets include a first outlet, a second outlet, a third outlet, a fourth outlet and a fifth outlet; the plurality of steering ports include a first steering port, a second steering port, a third steering port, a fourth steering port, a fifth steering port and a sixth steering port; the first inlet, the second inlet and the third inlet are connected to the front mounting cavity, and the fourth inlet is connected to the first valve body channel; the first outlet, the second outlet and the third outlet are connected to the front mounting cavity, the fourth outlet is connected to the rear mounting cavity, and the fifth outlet is connected to the second valve body channel; the first steering port, the second steering port, the third steering port and the fourth steering port are all arranged on the front mounting cavity, and the fifth steering port and the sixth steering port are arranged on the rear mounting cavity; the first steering port and the fifth steering port are both connected to the first valve body channel, and the second steering port, the third steering port, the fourth steering port and the sixth steering port are all connected to the second valve body channel.

[0006] Further, along the circumferential direction of the front mounting cavity, the first inlet, the first outlet, the second inlet, the second outlet, the third inlet, and the third outlet are spaced apart on a side of the front mounting cavity away from the rear mounting cavity; the first turning port, the second turning port, the third turning port, and the fourth turning port are sequentially arranged between the first inlet and the third outlet; the fourth outlet is arranged on a side of the rear mounting cavity away from the front mounting cavity, and the fifth turning port and the sixth turning port are respectively located on both sides of the fourth outlet.

[0007] Furthermore, multiple front connecting channels are arranged throughout the front valve core, and the multiple front connecting channels include a first front connecting channel, a second front connecting channel, a third front connecting channel, a fourth front connecting channel and a fifth front connecting channel; the first front connecting channel, the second front connecting channel, the third front connecting channel and the fourth front connecting channel are arranged in sequence at intervals along the circumferential direction of the front valve core; the fifth front connecting channel is arranged on the inner side of the first front connecting channel.

[0008] Furthermore, the multiple rear connecting channels include a first rear connecting channel, a second rear connecting channel, and a third rear connecting channel; the first rear connecting channel and the second rear connecting channel are arranged adjacent to each other, the third rear connecting channel is arranged on a side of the second rear connecting channel away from the first rear connecting channel, and the opening of the third rear connecting channel can cover the turning port.

[0009] Further, when the first front connecting channel connects the third inlet and the second inlet, the fourth front connecting channel connects the first inlet and the first inlet, and the fifth front connecting channel connects the second inlet and the third inlet; or, when the first front connecting channel connects the first inlet and the first inlet, the second front connecting channel connects the third inlet and the second inlet, and the third front connecting channel connects the third inlet and the first turning port; or, when the second front connecting channel connects the first inlet and the first inlet, the third front connecting channel connects the second inlet and the second inlet, the fourth front connecting channel connects the third inlet and the third inlet, the fifth front connecting channel connects the first turning port and the fourth turning port, and the second rear connecting channel connects the fifth turning port and the sixth turning port; or When the second front connecting channel connects the first inlet and the first outlet, the third front connecting channel connects the second inlet and the second outlet, the fourth front connecting channel connects the third inlet and the third outlet, the fifth front connecting channel connects the first turning port and the fourth turning port, and the second rear connecting channel connects the fifth turning port and the fourth outlet; or, when the first front connecting channel connects the third inlet and the second outlet, the second connecting channel connects the first turning port and the second turning port, and the fourth front connecting channel connects the first inlet and the first outlet; or, when the first front connecting channel connects the first turning port and the third outlet, the third front connecting channel connects the first inlet and the first outlet, the fourth front connecting channel connects the second inlet and the second outlet, and the fifth front connecting channel connects the third inlet and the second turning port.

[0010] Furthermore, a cavity is provided in the valve body between the front installation cavity and the rear installation cavity, a partition is provided in the cavity, and the partition divides the cavity into the first valve body channel and the second valve body channel.

[0011] Furthermore, the upper end of the valve body is open; the multi-way valve also includes an end cover, which is fixed to the opening side of the valve body; the multi-way valve also includes an actuator, which is transmission-connected to the front valve core and the rear valve core.

[0012] Furthermore, the multi-way valve further comprises a front sealing ring arranged between the front installation cavity and the front valve core; the multi-way valve further comprises a rear sealing ring arranged between the rear installation cavity and the rear valve core.

[0013] The utility model provides a thermal management system, comprising the multi-way valve.

[0014] It should be understood that both the foregoing general description and the following specific embodiments are for the purpose of example and illustration and do not necessarily limit the present disclosure. The accompanying drawings, which are incorporated into and constitute a part of the specification, illustrate the subject matter of the present disclosure. At the same time, the specification and the drawings are used to explain the principles of the present disclosure. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 This is a schematic diagram of the structure of a multi-way valve according to an embodiment of the utility model;

[0017] Figure 2 for Figure 1 An exploded view of a multi-port valve is shown;

[0018] Figure 3 for Figure 1 A schematic diagram of the structure of the valve body in the multi-way valve shown;

[0019] Figure 4 for Figure 1 The structure of the front valve core in the multi-way valve shown;

[0020] Figure 5 for Figure 1 The structural diagram of the rear valve core in the multi-way valve shown;

[0021] Figure 6 for Figure 1 The structural schematic diagram of the first working mode of the multi-way valve shown;

[0022] Figure 7 for Figure 1 A structural schematic diagram of the second working mode of the multi-way valve shown;

[0023] Figure 8 for Figure 1 The structural schematic diagram of the third working mode of the multi-way valve shown;

[0024] Fig. 9 for Figure 1 A structural schematic diagram of a fourth working mode of the multi-way valve shown;

[0025] Fig.10 for Figure 1 The structural diagram of the fifth working mode of the multi-way valve shown;

[0026] Fig.11for Figure 1 The structural schematic diagram of the sixth working mode of the multi-way valve is shown.

[0027] Icon: 1-valve body; 2-front valve core; 3-rear valve core; 4-end cover; 5-actuator; 6-front sealing ring; 7-rear sealing ring; 101-front installation cavity; 102-rear installation cavity; 103-first valve body channel; 104-second valve body channel; 105-first inlet; 106-second inlet; 107-third inlet; 108-fourth inlet; 109-first outlet; 110-second outlet; 111-third outlet; 112-fourth outlet; 113-fifth outflow port; 114-first turning port; 115-second turning port; 116-third turning port; 117-fourth turning port; 118-fifth turning port; 119-sixth turning port; 201-first front connecting channel; 202-second front connecting channel; 203-third front connecting channel; 204-fourth front connecting channel; 205-fifth front connecting channel; 206-first rear connecting channel; 207-second rear connecting channel; 208-third rear connecting channel. DETAILED DESCRIPTION

[0028] The technical solution of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all of the embodiments.

[0029] The components of the embodiments of the present invention generally described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention.

[0030] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

[0031] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0034] like Figures 1 to 5 As shown, the utility model provides a multi-way valve, comprising: a valve body 1, a front valve core 2 and a rear valve core 3; the valve body 1 is provided with a front mounting chamber 101, a rear mounting chamber 102, a plurality of inlets, a plurality of outlets, a first valve body channel 103 and a second valve body channel 104; the side wall of the front mounting chamber 101 is provided with an inlet connected to the plurality of inlets, an outlet connected to the plurality of outlets and a plurality of steering ports; the first valve body channel 103 is connected to one of the inlets, and the second valve body channel 104 is connected to one of the outlets; the side wall of the rear mounting chamber 102 is provided with an outlet connected to the outlet, and the rear mounting chamber 102 is provided with a steering port; the front valve core 2 is rotatably arranged in the front mounting chamber 101, and at least four front connecting channels are arranged on the front valve core 2; the rear valve core 3 is rotatably arranged in the rear mounting chamber 102, and at least three rear connecting channels are arranged on the front valve core 2.

[0035] Specifically, Figures 1 to 11As shown, the multiple inlets include a first inlet 105, a second inlet 106, a third inlet 107 and a fourth inlet 108; the multiple outlets include a first inlet 109, a second inlet 110, a third inlet 111, a fourth inlet 112 and a fifth inlet 113; the multiple steering ports include a first steering port 114, a second steering port 115, a third steering port 116, a fourth steering port 117, a fifth steering port 118 and a sixth steering port 119; the first inlet 105, the second inlet 106 and the third inlet 107 are connected to the front installation cavity 101, and the fourth inlet 108 is connected to the first valve body channel 103 (optionally, the fourth inlet 108 can be directly arranged on the bottom plate of the first valve body channel 103, which can ensure that the fourth inlet 108 is always connected to the first valve body channel 103 and can also make the multi-way valve structure simple); the first inlet, the second outflow The first turning port 114, the second turning port 115, the third turning port 116 and the fourth turning port 117 are all arranged on the front installation cavity 101, and the fifth turning port 118 and the sixth turning port 119 are arranged on the rear installation cavity 102; the first turning port 114 and the fifth turning port 118 are all communicated with the first valve body channel 103, and the second turning port 115, the third turning port 116, the fourth turning port 117 and the sixth turning port 119 are all communicated with the second valve body channel 104.

[0036] It can be understood that the first front connecting channel, the second front connecting channel, the third front connecting channel, the fourth front connecting channel and the fifth front connecting channel on the front valve core are arranged through the wall of the front valve core; similarly, the first rear connecting channel, the second rear connecting channel and the third rear connecting channel on the rear valve core are arranged through the wall of the rear valve core so as to naturally form corresponding openings to enable communication with the outflow port or the turning port.

[0037] Specifically, Figures 1 to 11As shown, along the circumferential direction of the front mounting cavity 101, the first inlet 105, the first outlet 109, the second inlet 106, the second outlet 110, the third inlet 107, and the third outlet 111 are arranged at intervals on the side of the front mounting cavity 101 away from the rear mounting cavity 102; the first turning port 114, the second turning port 115, the third turning port 116 and the fourth turning port 117 are arranged in sequence between the first inlet 105 and the third outlet 111; the fourth outlet 112 is arranged on the side of the rear mounting cavity 102 away from the front mounting cavity 101, and the fifth turning port 118 and the sixth turning port 119 are respectively located on both sides of the fourth outlet 112.

[0038] Specifically, Figures 1 to 11 As shown, the plurality of front communication channels are all arranged through the front valve core 2 so as to naturally form corresponding openings so as to be able to communicate with the inlet, outlet and steering port. The plurality of front communication channels include a first front communication channel 201, a second front communication channel 202, a third front communication channel 203, a fourth front communication channel 204 and a fifth front communication channel 205; the first front communication channel 201, the second front communication channel 202, the third front communication channel 203 and the fourth front communication channel 204 are arranged in sequence along the circumferential direction of the front valve core 2; the fifth front communication channel is arranged on the inner side of the first front communication channel.

[0039] Specifically, Figures 1 to 11 As shown, the plurality of rear communication channels are all arranged through the rear valve core 3 so as to naturally form corresponding openings to be connected with the outflow port and the steering port. The plurality of rear communication channels include a first rear communication channel 206, a second rear communication channel 207, and a third rear communication channel 208; the first rear communication channel 206 and the second rear communication channel 207 are arranged adjacent to each other, the third rear communication channel 208 is arranged on a side of the second rear communication channel 207 away from the first rear communication channel 206, and the opening of the third rear communication channel 208 can cover the steering port.

[0040] The present utility model can realize at least six working modes:

[0041] Mode 1: If Figure 6As shown, when the first front communication channel 201 is connected to the third inlet 107 and the second outlet 110, the fourth front communication channel 204 is connected to the first inlet 105 and the first outlet 109, and the fifth front communication channel 205 is connected to the second inlet 106 and the third outlet 111. In this mode, the fluid can flow into the first front communication channel 201 from the third inlet 107 and then flow out from the second outlet 110; the fluid can flow into the first front communication channel 201 from the first inlet 105 and then flow out from the first outlet 109; the fluid can flow into the fifth front communication channel 205 from the second inlet 106 and then flow out from the third outlet 111.

[0042] Mode 2, such as Figure 7 As shown, when the first front communication channel 201 is connected to the first inlet 105 and the first outlet 109, the second front communication channel 202 is connected to the third inlet 107 and the second outlet 110; the third front communication channel 203 is connected to the third outlet 111 and the first diversion port 114, and the first diversion port 114 is connected to the fourth inlet through the first valve body channel 103. In this mode, the fluid can flow into the first front communication channel 201 from the first inlet 105 and then flow out from the first outlet 109; the fluid can flow into the first front communication channel 201 from the third inlet 107 and then flow out from the second outlet 110; the fluid can flow into the first valve body channel 103 from the fourth inlet 108 and then flow out from the third outlet 111 after passing through the first diversion port and the third front communication channel in sequence.

[0043] Mode three, such as Figure 8As shown, when the second front connecting channel 202 connects the first inlet 105 and the first outlet 109, the third front connecting channel 203 connects the second inlet 106 and the second outlet 110, the fourth front connecting channel 204 connects the third inlet 107 and the third outlet 111, the fifth front connecting channel 205 connects the first steering port 114 and the fourth steering port 117, the first steering port 114 is connected to the fourth inlet 108 through the first valve body channel 103, the fourth steering port 117 is connected to the fifth outlet through the second valve body channel 104, and the second rear connecting channel 207 connects the fifth steering port 118 and the sixth steering port 119. In this mode, the fluid can flow into the second front connecting channel 202 from the first inlet 105, and then flow out from the first outlet 109; the fluid can flow into the third front connecting channel 203 from the second inlet 106, and then flow out from the second outlet 110; the fluid can flow into the fourth front connecting channel 204 from the third inlet 107, and then flow out from the third outlet 111; the fluid can flow into the first valve body channel 103 from the fourth inlet 108, a part of the fluid can pass through the first turning port 114, the fifth front connecting channel 205, the fourth turning port 117 and the second valve body channel 104, and then flow out from the fifth outlet 113, and another part of the fluid can pass through the fifth turning port 118, the second rear connecting channel 207, the sixth turning port 119, the second valve body channel 104, and then flow out from the fifth outlet 113.

[0044] Mode 4, such as Fig. 9As shown, the second front connecting channel 202 connects the first inlet 105 and the first outlet 109, the third front connecting channel 203 connects the second inlet 106 and the second outlet 110, the fourth front connecting channel 204 connects the third inlet 107 and the third outlet 111, the fifth front connecting channel 205 connects the first steering port 114 and the fourth steering port 117, the first steering port 114 is connected to the fourth inlet 108 through the first valve body channel 103, the fourth steering port 117 is connected to the fifth outlet through the second valve body channel 104, and the second rear connecting channel 207 connects the fifth steering port 118 and the fourth outlet 112. In this mode, the fluid can flow into the second front connecting channel 202 from the first inlet 105, and then flow out from the first outlet 109; the fluid can flow into the third front connecting channel 203 from the second inlet 106, and then flow out from the second outlet 110; the fluid can flow into the fourth front connecting channel 204 from the third inlet 107, and then flow out from the third outlet 111; the fluid can flow into the first valve body channel 103 from the fourth inlet 108, a part of the fluid can flow out from the fifth outlet 113 through the first steering port 114, the fifth front connecting channel 205, the fourth steering port 117 and the second valve body channel 104, and another part of the fluid can flow out from the fourth outlet 112 through the fifth steering port 118 and the second rear connecting channel 207, and by adjusting the rotation angle of the rear valve core, the connecting area of ​​the second rear connecting channel and the fourth outlet can be adjusted, so that the flow rate flowing out of the fourth outlet can be adjusted, thereby realizing the proportional adjustment of the fluid flowing out of the fourth outlet and the fifth outlet.

[0045] Mode 5, such as Fig.10 As shown, when the first front connecting channel 201 connects the third inlet 107 and the second outlet 110, the second front connecting channel 202 connects the first turning port 114 and the second turning port 115, the first turning port is connected to the fourth inlet through the first valve body channel, the second turning port 115 is connected to the fifth outlet through the second valve body channel, and the fourth front connecting channel 204 connects the first inlet 105 and the first outlet 109. The fifth front connecting channel 205 connects the second inlet 106 and the third outlet 111. In this mode, the fluid can flow into the first front connecting channel 201 from the third inlet 107 and then flow out from the second outlet 110; the fluid can flow into the first valve body channel 103 from the fourth inlet 108 and then flow out from the fifth outlet 113 after passing through the first steering port, the second steering port and the second valve body channel; the fluid can flow into the fourth front connecting channel 204 from the first inlet 105 and then flow out from the first outlet 109; the fluid can flow into the fifth front connecting channel 205 from the second inlet 106 and then flow out from the third outlet 111.

[0046] Mode six, such as Fig.11 As shown, the first front communication channel 201 communicates with the first steering port 114 and the third flow outlet 111, and when the first steering port 114 communicates with the fourth flow port through the first valve body channel, the third front communication channel 203 communicates with the first flow port 105 and the first flow outlet 109, the fourth front communication channel 204 communicates with the second flow port 106 and the second flow outlet 110, the fifth front communication channel communicates with the third flow port and the second steering port, and the second steering port communicates with the fifth flow outlet through the second valve body channel. In this mode, the fluid can flow into the first valve body channel from the fourth flow port 108, and then flow out of the third flow outlet 111 after passing through the first steering port and the first front communication channel; the fluid can flow into the third front communication channel 203 from the first flow port 105, and then flow out of the first flow outlet 109; the fluid can flow into the fifth front communication channel 205 from the third flow port 107, and then flow out of the fifth flow outlet after passing through the second steering port and the second valve body channel.

[0047] The multi-way valve provided in the embodiment of the utility model can realize at least six working modes, can not only switch the flow path but also adjust the flow ratio, can integrate the functions of a four-way valve and a five-way valve, and can simplify the structure of the thermal management system.

[0048] like Figure 1 and Figure 2 As shown, based on the above embodiment, further, a cavity is provided in the valve body 1 between the front installation cavity and the rear installation cavity, and a partition is provided in the cavity, and the partition divides the cavity into the first valve body channel 103 and the second valve body channel 104, which can simplify the structure of the valve body 1.

[0049] like Figure 1 and Figure 2 As shown, based on the above embodiment, further, the upper end of the valve body 1 is open; the multi-way valve also includes an end cover 4, and the end cover 4 is fixed on the opening side of the valve body 1; the multi-way valve also includes an actuator 5, and the actuator 5 is transmission-connected to the front valve core 2 and the rear valve core 3.

[0050] like Figure 1 and Figure 2 As shown, the multi-way valve further includes a front sealing ring 6 arranged between the front installation cavity 101 and the front valve core 2 ; the multi-way valve further includes a rear sealing ring 7 arranged between the rear installation cavity 102 and the rear valve core 3 .

[0051] In this embodiment, the front sealing ring 6 and the rear sealing ring 7 can be plate-like rubber materials curled into a cylindrical style, the outer surface of the sealing ring contacts the inner wall of the valve body 1 and is reinforced, and the inner surface of the sealing ring is a smooth wear-resistant layer.

[0052] The utility model also provides a thermal management system, including the multi-way valve described in any of the above technical solutions, and thus has all the beneficial technical effects of the multi-way valve, which will not be described in detail herein.

[0053] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit them; although the utility model is described in detail with reference to the above embodiments, those skilled in the art should understand that the technical solutions recorded in the above embodiments can still be modified, or some or all of the technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the various embodiments of the utility model. In the description provided herein, a large number of specific details are described. However, it can be understood that the embodiments of the utility model can be practiced without these specific details. In some examples, well-known methods, structures and techniques are not shown in detail so as not to obscure the understanding of this specification. In addition, those skilled in the art can understand that although some embodiments described herein include certain features included in other embodiments instead of other features, the combination of features of different embodiments means being within the scope of the utility model and forming different embodiments.

Claims

1. A multi-way valve, characterized in that: include: A valve body (1), wherein the valve body (1) is provided with a front installation cavity (101), a rear installation cavity (102), a plurality of inlets, a plurality of outlets, a first valve body channel (103) and a second valve body channel (104); an inlet communicating with the plurality of inlets, an outlet communicating with the plurality of outlets and a plurality of steering ports are provided on a side wall of the front installation cavity (101); the first valve body channel (103) is communicated with one of the inlets, and the second valve body channel (104) is communicated with one of the outlets; an outlet communicating with the outlets is provided on a side wall of the rear installation cavity (102), and the steering port is provided on the rear installation cavity (102); A front valve core (2), the front valve core (2) being rotatably disposed in the front mounting cavity (101), and the front valve core (2) being provided with at least four front communication channels; A rear valve core (3), wherein the rear valve core (3) is rotatably disposed in the rear installation cavity (102), and at least three rear communication channels are disposed on the front valve core (2).

2. The multi-way valve according to claim 1, characterized in that: The plurality of inlets include a first inlet (105), a second inlet (106), a third inlet (107) and a fourth inlet (108); the plurality of outlets include a first outlet (109), a second outlet (110), a third outlet (111), a fourth outlet (112) and a fifth outlet (113); the plurality of turn-around outlets include a first turn-around outlet (114), a second turn-around outlet (115), a third turn-around outlet (116), a fourth turn-around outlet (117), a fifth turn-around outlet (118) and a sixth turn-around outlet (119); The first inlet (105), the second inlet (106) and the third inlet (107) are in communication with the front installation chamber (101), and the fourth inlet (108) is in communication with the first valve body channel (103); the first outlet, the second outlet and the third outlet are in communication with the front installation chamber (101), the fourth outlet is in communication with the rear installation chamber (102), and the fifth outlet is in communication with the second valve body channel (104); The first steering port (114), the second steering port (115), the third steering port (116) and the fourth steering port (117) are all arranged on the front installation cavity (101), and the fifth steering port (118) and the sixth steering port (119) are arranged on the rear installation cavity (102); the first steering port (114) and the fifth steering port (118) are both connected to the first valve body channel (103), and the second steering port (115), the third steering port (116), the fourth steering port (117) and the sixth steering port (119) are all connected to the second valve body channel (104).

3. The multi-way valve according to claim 2, characterized in that: Along the circumferential direction of the front installation cavity (101), the first inlet (105), the first outlet (109), the second inlet (106), the second outlet (110), the third inlet (107), and the third outlet (111) are arranged at intervals on a side of the front installation cavity (101) away from the rear installation cavity (102); The first turning port (114), the second turning port (115), the third turning port (116) and the fourth turning port (117) are sequentially arranged between the first inlet (105) and the third inlet (111); The fourth outflow port (112) is arranged on a side of the rear installation cavity (102) away from the front installation cavity (101), and the fifth turning port (118) and the sixth turning port (119) are respectively located on two sides of the fourth outflow port (112).

4. The multi-way valve according to claim 3, characterized in that: The plurality of front connecting channels are all arranged to penetrate the front valve core (2), and the plurality of front connecting channels include a first front connecting channel (201), a second front connecting channel (202), a third front connecting channel (203), a fourth front connecting channel (204) and a fifth front connecting channel (205); the first front connecting channel (201), the second front connecting channel (202), the third front connecting channel (203) and the fourth front connecting channel (204) are arranged in sequence and at intervals along the circumferential direction of the front valve core (2); the fifth front connecting channel is arranged on the inner side of the first front connecting channel.

5. The multi-way valve according to claim 4, characterized in that: The plurality of rear connecting passages include a first rear connecting passage (206), a second rear connecting passage (207), and a third rear connecting passage (208); the first rear connecting passage (206) and the second rear connecting passage (207) are arranged adjacent to each other, the third rear connecting passage (208) is arranged on a side of the second rear connecting passage (207) away from the first rear connecting passage (206), and an opening of the third rear connecting passage (208) can cover the turning port.

6. The multi-way valve according to claim 5, characterized in that: The first front communication channel (201) is connected to the third inlet (107) and the second inlet (110), the fourth front communication channel (204) is connected to the first inlet (105) and the first inlet (109), and the fifth front communication channel (205) is connected to the second inlet (106) and the third inlet (111); Alternatively, the first front communicating channel (201) communicates with the first inlet (105) and the first outlet (109), the second front communicating channel (202) communicates with the third inlet (107) and the second outlet (110), and the third front communicating channel (203) communicates with the third outlet (111) and the first turning port (114); Alternatively, the second front communication channel (202) is connected to the first inlet (105) and the first outlet (109); the third front communication channel (203) is connected to the second inlet (106) and the second outlet (110); the fourth front communication channel (204) is connected to the third inlet (107) and the third outlet (111); the fifth front communication channel (205) is connected to the first turning port (114) and the fourth turning port (117); and the second rear communication channel (207) is connected to the fifth turning port (118) and the sixth turning port (119); Alternatively, the second front communication channel (202) is connected to the first inlet (105) and the first outlet (109), the third front communication channel (203) is connected to the second inlet (106) and the second outlet (110), the fourth front communication channel (204) is connected to the third inlet (107) and the third outlet (111), the fifth front communication channel (205) is connected to the first turning port (114) and the fourth turning port (117); the second rear communication channel (207) is connected to the fifth turning port (118) and the fourth outlet (112); Alternatively, when the first front communication channel is connected to the third inlet and the second outlet, the second communication channel is connected to the first turning port and the second turning port, and the fourth front communication channel (204) is connected to the first inlet (105) and the first outlet (109); Alternatively, when the first front connecting channel connects the first turning port and the third flow outlet, the third front connecting channel (203) connects the first flow inlet (105) and the first flow outlet (109), the fourth front connecting channel (204) connects the second flow inlet (106) and the second flow outlet (110), and the fifth front connecting channel connects the third flow inlet and the second turning port.

7. The multi-way valve according to claim 1, characterized in that: A cavity is provided in the valve body (1) between the front installation cavity and the rear installation cavity, and a partition is provided in the cavity, wherein the partition divides the cavity into the first valve body channel (103) and the second valve body channel (104).

8. The multi-way valve according to claim 1, characterized in that: The upper end of the valve body (1) is open; The multi-way valve further comprises an end cover (4), wherein the end cover (4) is fixed on the opening side of the valve body (1); The multi-way valve further comprises an actuator (5), wherein the actuator (5) is drivingly connected to the front valve core (2) and the rear valve core (3).

9. The multi-way valve according to claim 8, characterized in that: The multi-way valve further comprises a front sealing ring (6) arranged between the front mounting cavity (101) and the front valve core (2); The multi-way valve further comprises a rear sealing ring (7) arranged between the rear installation cavity (102) and the rear valve core (3).

10. A thermal management system, characterized in that: It comprises a multi-way valve as claimed in any one of claims 1 to 9.

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