Three-way water valve, thermal management system and vehicle

Abstract

The utility model discloses a three-way water valve, a heat management system and a vehicle. The three-way water valve comprises a valve body, a valve cover, a valve element and a driving assembly. The valve body comprises a valve body main body, and the valve body main body is connected with a first water outlet, a second water outlet and a water inlet. The first water tank is arranged in the valve body and communicated with the first water outlet. And the second water tank is arranged in the valve main body and is communicated with the second water outlet. And the third water tank is arranged in the valve main body and is communicated with the water inlet. The first water tank, the second water tank and the third water tank are separated from one another and are sequentially arranged in the circumferential direction of the valve body main body. The valve cover is used for covering the valve body so as to define an inner space of the three-way water valve with the valve body. The valve element comprises a first blade and a second blade which are located in the inner space of the three-way water valve. The driving assembly is connected to the valve element to drive the valve element to rotate, so that the first blade shields or opens the first notch, and the second blade shields or opens the second notch.

Description

Technical Field

[0001] The present application relates to the technical field of reversing valves, and more particularly to a three-way water valve, a thermal management system having the same, and a vehicle having the three-way water valve or the thermal management system. Background Art

[0002] In the existing three-way water valve, the inner cavity space is small, for example, there is only one water tank, resulting in a large water flow resistance and being not conducive to the smooth flow of the liquid. Therefore, a three-way water valve is needed to at least partially solve the above problems. Summary of the Utility Model

[0003] A series of simplified concepts are introduced in the Summary of the Utility Model section, which will be further described in detail in the Detailed Description section. The Summary of the Utility Model section of the present application does not mean to attempt to define the key features and essential technical features of the claimed technical solution, nor does it mean to attempt to determine the protection scope of the claimed technical solution.

[0004] To at least partially solve the above problems, a first aspect of the present application provides a three-way water valve, which includes:

[0005] A valve body, the valve body includes:

[0006] A valve body main body, the valve body main body is connected with a first water outlet, a second water outlet and a water inlet,

[0007] A first water tank, arranged in the valve body main body and communicated with the first water outlet, the first water tank has a first notch,

[0008] A second water tank, arranged in the valve body main body and communicated with the second water outlet, the second water tank has a second notch, and

[0009] A third water tank, arranged in the valve body main body and communicated with the water inlet, the third water tank has a third notch,

[0010] wherein, the first water tank, the second water tank and the third water tank are spaced apart from each other and are arranged in sequence along the circumferential direction of the valve body main body;

[0011] A valve cover, used for covering the valve body main body to enclose the internal space of the three-way water valve with the valve body main body;

[0012] A valve core, including a first blade and a second blade, the first blade and the second blade are located in the internal space; and

[0013] A driving assembly, connected to the valve core to drive the valve core to rotate, so that the first blade blocks or opens the first notch, and the second blade blocks or opens the second notch.

[0014] According to the present application, each inlet and outlet of the three-way valve is connected to the water tank. The water flow area in the water tank is larger, and the liquid flow resistance is small, so that the liquid flows more smoothly. This is beneficial to ensuring the performance of the equipment and extending the service life of the three-way valve.

[0015] Optionally,

[0016] The valve core is provided with a first limiting portion and a second limiting portion, and the valve cover is provided with a valve cover limiting portion.

[0017] The first limiting portion is used to contact the valve cover limiting portion when the valve core rotates in the first rotation direction, and the second limiting portion is used to contact the valve cover limiting portion when the valve core rotates in the second rotation direction, wherein the first rotation direction is opposite to the second rotation direction.

[0018] Wherein, when the first limiting portion contacts the valve cover limiting portion, the first blade completely opens the first notch, and the second blade completely covers the second notch.

[0019] When the second limiting portion contacts the valve cover limiting portion, the first blade completely covers the first notch, and the second blade completely opens the second notch.

[0020] Optionally,

[0021] The valve core further includes a rotating shaft, the rotating shaft includes a first end portion and a second end portion of the rotating shaft arranged in opposite axial directions, and the driving assembly is connected to the first end portion of the rotating shaft to drive the rotating shaft to rotate.

[0022] The first blade and the second blade are connected to the outer peripheral surface of the second end portion of the rotating shaft. The side of the first blade facing away from the first end portion of the rotating shaft faces the first water tank, and the side of the second blade facing away from the first end portion of the rotating shaft faces the second water tank.

[0023] Optionally, the three-way water valve further includes:

[0024] A first sealing ring, arranged in the first notch, for contacting the first blade; and

[0025] A second sealing ring, arranged in the second notch, for contacting the second blade.

[0026] Optionally,

[0027] One side of the first sealing ring facing the first blade is configured as a spiral curved surface, and one side of the first blade facing the first sealing ring is configured as a spiral curved surface, so that when the second limiting portion contacts the valve cover limiting portion, the first blade and the first sealing ring are in sealing contact.

[0028] One side of the second sealing ring facing the second blade is configured as a spiral curved surface, and one side of the second blade facing the second sealing ring is configured as a spiral curved surface, so that when the first limiting portion contacts the valve cover limiting portion, the second blade and the second sealing ring are in sealing contact.

[0029] Optionally,

[0030] The first limiting portion is arranged on the first blade.

[0031] The second limiting portion is arranged on the second blade.

[0032] Optionally, the valve cover limiting portion is arranged on the side wall of the internal space.

[0033] Optionally, the valve cover includes a shaft hole for the first end portion of the rotating shaft to pass through and be connected to the driving assembly.

[0034] Optionally, the valve cover further includes a cylindrical portion that extends in the internal space, and an internal through hole of the cylindrical portion is communicated with the shaft hole.

[0035] Optionally,

[0036] The diameter of the first end portion of the rotating shaft is smaller than at least part of the diameter of the second end portion of the rotating shaft.

[0037] The three-way water valve further includes a limiting ring sleeved on the outer periphery of the first end portion of the rotating shaft. The limiting ring includes a first end portion and a second end portion of the limiting ring arranged in opposite axial directions. The second end portion of the limiting ring is used to axially abut against the second end portion of the rotating shaft, and the first end portion of the limiting ring axially abuts against the cylindrical portion.

[0038] Optionally,

[0039] The outer peripheral surface of the first end portion of the limiting ring is in tight fit with the inner peripheral surface of the cylindrical portion; and / or

[0040] An annular groove is arranged on one side of the limiting ring facing the second end portion of the rotating shaft for accommodating lubricant.

[0041] Optionally,

[0042] The diameter of the first end portion of the limiting ring is smaller than the diameter of the second end portion of the limiting ring; and / or

[0043] The inner diameter of the limiting ring is smaller than the inner diameter of the cylindrical portion.

[0044] Optionally, a sealing ring is provided between the inner peripheral surface of the cylindrical portion and the outer peripheral surface of the first end portion of the rotating shaft.

[0045] Optionally, both the first notch and the second notch are configured as a sector or a sector ring, wherein the intersection point of the symmetry axes of the sector or sector ring of the first notch and the symmetry axes of the sector or sector ring of the second notch is located on the rotation axis of the valve core.

[0046] Optionally, the first notch and the second notch are configured as sectors or sector rings with the same central angle.

[0047] Optionally, the area of the third notch is larger than the area of the first notch, and the area of the third notch is larger than the area of the second notch.

[0048] Optionally, the first notch and the second notch are configured as sectors or sector rings with a central angle of 90 degrees, the third notch is configured as a sector or sector ring with a central angle of 180 degrees, and the symmetry axis of the sector or sector ring of the third notch intersects with the rotation axis of the valve core.

[0049] Optionally, the first blade and the second blade are configured as sectors or sector rings with a central angle of 90 degrees, and the symmetry axes of the first blade and the second blade are circumferentially spaced 180 degrees apart.

[0050] In a second aspect of the present application, a thermal management system is provided, which includes the three-way water valve according to any one of the first aspects.

[0051] In a third aspect of the present application, a vehicle is provided, which includes:

[0052] The three-way water valve according to any one of the first aspects, or

[0053] The thermal management system according to the second aspect. Description of the Drawings

[0054] The following drawings of the present application are hereby incorporated as part of the present application for understanding the present application. The representative embodiments of the present application are shown in the drawings to explain the principle of the present application, rather than to limit the present application.

[0055] In the drawings:

[0056] Figure 1 It is a schematic side sectional view of a three-way water valve according to a specific embodiment of the present application;

[0057] Figure 2 It is Figure 1Top view schematic diagram of the three-way water valve shown, where the drive assembly and valve cover are omitted;

[0058] Figure 3 is Figure 1 Top view sectional schematic diagram of the three-way water valve shown;

[0059] Figure 4 is Figure 1 Schematic diagram of the valve body of the three-way water valve shown;

[0060] Figure 5 and Figure 6 is Figure 1 Schematic diagram of the valve core of the three-way water valve shown;

[0061] Figure 7 and Figure 8 is Figure 1 Schematic diagram of the valve cover of the three-way water valve shown;

[0062] Figure 9 and Figure 10 is Figure 1 Schematic diagram of the notch sealing ring of the three-way water valve shown;

[0063] Figure 11 and Figure 12 is Figure 1 Schematic diagram of the limit ring of the three-way water valve shown.

[0064] Explanation of reference numerals:

[0065] 10: Valve cover

[0066] 11: Valve cover housing

[0067] 11A: Cylindrical housing

[0068] 11B: Plate-shaped housing

[0069] 12: Cylindrical part

[0070] 13: Valve cover limiting part

[0071] 14: End face of the cylindrical part

[0072] 15: Axial hole

[0073] 16: Valve cover screw hole

[0074] 17: Valve cover mounting hole

[0075] 18: Waist-shaped column

[0076] 19: Internal space of the valve cover

[0077] 20: Valve body

[0078] 21: Valve body main body

[0079] 22A: First water outlet

[0080] 22B: Second water outlet

[0081] 22C: Water inlet

[0082] 23: First water tank

[0083] 23A: First tank opening

[0084] 23B: First side wall

[0085] 23C: First opening

[0086] 23D: First rib

[0087] 24: Second water tank

[0088] 24A: Second tank opening

[0089] 24B: Second side wall

[0090] 24C: Second opening

[0091] 24D: Second rib

[0092] 25: Receiving tank

[0093] 26: Third water tank

[0094] 26A: Third tank opening

[0095] 26B: Third side wall

[0096] 26C: Third opening

[0097] 27: Valve body screw hole

[0098] 28: Spacer rib

[0099] 29: Internal space of valve body

[0100] 30: Valve core

[0101] 31: First blade

[0102] 32: Second blade

[0103] 33: First limiting part

[0104] 34: Second limiting part

[0105] 35: Rotating shaft

[0106] 36: First end of rotating shaft

[0107] 37: Second end of rotating shaft

[0108] 37A: End face of rotating shaft

[0109] 37B: Shaft flange

[0110] 37C: End

[0111] 38: First side of the blade

[0112] 39: Second side of the blade

[0113] 40: Limit ring

[0114] 41: Convex key

[0115] 42: Annular groove

[0116] 43: Second end face of the limit ring

[0117] 44: First end face of the limit ring

[0118] 46: First end of the limit ring

[0119] 47: Second end of the limit ring

[0120] 50: Groove seal ring

[0121] 51: First seal ring

[0122] 52: Second seal ring

[0123] 53: First groove

[0124] 54: Second groove

[0125] 58: First side of the seal ring

[0126] 59: Second side of the seal ring

[0127] 60: Driving assembly

[0128] 71: O-ring

[0129] 72: Seal ring spacer

[0130] 100: Three-way water valve

[0131] DA: Axial direction Detailed implementation manner

[0132] In the following description, a large number of specific details are given to provide a more thorough understanding of the present application. However, it is obvious to those skilled in the art that the present application can be implemented without one or more of these details. In other examples, in order to avoid confusion with the present application, some technical features well known in the art are not described.

[0133] To thoroughly understand this application, a detailed description will be presented in the following. It should be understood that these embodiments are provided to make the disclosure of this application thorough and complete, and to fully convey the concept of these exemplary embodiments to those of ordinary skill in the art. Obviously, the implementation of the embodiments of this application is not limited to the specific details familiar to those skilled in the art. The preferred embodiments of this application are described in detail below. However, in addition to these detailed descriptions, this application may have other embodiments.

[0134] Ordinal numbers such as "first" and "second" cited in this application are merely identifiers and do not have any other meanings, such as a specific order, etc. Moreover, for example, the term "first component" does not imply the existence of a "second component" by itself, and the term "second component" does not imply the existence of a "first component" by itself. The use of words such as "first", "second", and "third" does not indicate any order, and these words can be interpreted as names.

[0135] It should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer" and similar expressions used in this application are only for illustrative purposes and are not restrictive.

[0136] In this document, "equal", "same", etc. are not strict mathematical and / or geometric limitations, and also include allowable errors that can be understood by those skilled in the art and are allowed in manufacturing or use, etc.

[0137] Unless otherwise specified, the numerical ranges in this document include not only the entire range within its two endpoints, but also several sub-ranges included therein.

[0138] This application provides a three-way water valve, a thermal management system having the three-way water valve, and a vehicle having the three-way water valve or the thermal management system.

[0139] Now, exemplary embodiments according to this application will be described in more detail with reference to the accompanying drawings.

[0140] As Figures 1 to 3 shown, in a specific embodiment, the three-way water valve 100 according to this application includes a valve body 20, a valve cover 10, a valve core 30, and a drive assembly 60.

[0141] As Figure 1 、 Figure 2 and Figure 4 shown, the valve body 20 includes a first water outlet 22A, a second water outlet 22B, and a water inlet 22C, thus forming a three-way valve. The valve body 20 further includes a first water tank 23 communicating with the first water outlet 22A, a second water tank 24 communicating with the second water outlet 22B, and a third water tank 26 communicating with the water inlet 22C.

[0142] Specifically, the valve body 20 has a valve body main body 21 which is generally in the shape of a cylinder with an axial direction DA and has an internal space 29 of the valve main body. A first water outlet 22A, a second water outlet 22B, and a water inlet 22C are opened on the side wall of the valve body main body 21. In the internal space 29 of the valve main body, three partition ribs 28 partition out a first water tank 23, a second water tank 24, and a third water tank 26. Preferably, the three partition ribs 28 generally extend in the radial direction of the valve body main body 21, so that the first water tank 23, the second water tank 24, and the third water tank 26 are arranged in sequence along the circumferential direction of the valve body main body 21.

[0143] The axial direction DA is also the axial direction of the three-way water valve 100.

[0144] The first water tank 23 has a first notch 23A and a first side wall 23B. A first opening 23C communicating with the first water outlet 22A is provided at a portion of the first side wall 23B that is shared with the side wall of the valve body main body 21. The second water tank 24 has a second notch 24A and a second side wall 24B. A second opening 24C communicating with the second water outlet 22B is provided at a portion of the second side wall 24B that is shared with the side wall of the valve body main body 21. The third water tank 26 has a third notch 26A and a third side wall 26B. A third opening 26C communicating with the water inlet 22C is provided at a portion of the third side wall 26B that is shared with the side wall of the valve body main body 21. The first notch 23A, the second notch 24A, and the third notch 26A are also arranged in sequence along the circumferential direction of the valve body main body 21.

[0145] The valve cover 10 is used to cover the valve body main body 21 to enclose the internal space of the three-way water valve 100 with the valve body main body 21. It can be understood that the internal space 29 of the valve main body is a part of the internal space of the three-way water valve 100. The first water tank 23, the second water tank 24, and the third water tank 26 are respectively a part of the internal space 29 of the valve main body and also a part of the internal space of the three-way water valve 100.

[0146] The valve core 30 includes a first vane 31 and a second vane 32, and both the first vane 31 and the second vane 32 are located in the internal space of the three-way water valve 100. The driving assembly 60 is connected to the valve core 30 to drive the valve core 30 to rotate, so that the first vane 31 blocks or opens the first notch 23A, and the second vane 32 blocks or opens the second notch 24A. It can be understood that the three-way water valve 100 controls the liquid flow direction by the different degrees of blocking or opening of the corresponding notches by the two vanes. It can be understood that the area of the first vane 31 is not less than the area of the first notch 23A, so that the first vane 31 can completely block the first notch 23A. The area of the second vane 32 is not less than the area of the second notch 24A, so that the second vane 32 can completely block the second notch 24A. The areas of both the first vane 31 and the second vane 32 are smaller than the area of the third notch 26A, so that the water inlet 22C always remains in a connected state. In other words, the area of the third notch 26A is larger than the area of the first notch 23A, and the area of the third notch 26A is larger than the area of the second notch 24A.

[0147] In this application, each inlet and outlet of the three-way valve is connected to the water tank. The water flow area in the water tank is larger and the liquid flow resistance is small, so that the liquid flows more smoothly. This is beneficial to ensuring the performance of the equipment and extending the service life of the three-way valve.

[0148] As Figure 1 、 Figure 2 、 Figure 5 and Figure 6 shown, the valve core 30 further includes a rotating shaft 35. The rotating shaft 35 extends along the axial direction DA, that is, it is consistent with the axial direction of the valve body main body 21. The rotating shaft 35 includes a first end 36 and a second end 37 of the rotating shaft arranged in opposite directions along the axial direction DA. The driving assembly 60 is connected to the first end 36 of the rotating shaft to drive the rotating shaft 35 to rotate. The second end 37 of the rotating shaft is connected to the valve body 20. For example, its end 37C is located in the receiving groove 25 of the valve body main body 21. The receiving groove 25 is arranged at the confluence of the three spaced ribs 28. The first vane 31 and the second vane 32 are connected to the outer peripheral surface of the second end 37 of the rotating shaft. Both the first vane 31 and the second vane 32 have a first side 38 of the vane facing the first end 36 of the rotating shaft and a second side 39 of the vane opposite to the first side 38 of the vane. The second side 39 of the first vane 31 is used to face the first notch 23A, that is, it is used to cover or open the first notch 23A to different degrees. The second side 39 of the second vane 32 is used to face the second notch 24A, that is, it is used to cover or open the second notch 24A to different degrees.

[0149] Preferably, both the first notch 23A and the second notch 24A are configured as sectors (or sector rings). The intersection of the symmetry axes of the sectors (or sector rings) of the first notch 23A and the symmetry axes of the sectors (or sector rings) of the second notch 24A is located on the rotation axis of the valve element 30, that is, on the rotation axis of the rotating shaft 35. Correspondingly, the first vane 31 and the second vane 32 are also configured as sectors (or sector rings), and the intersection of the symmetry axes of the sectors (or sector rings) of the two vanes is also on the rotation axis of the rotating shaft 35. Thus, when the vane covers or opens the corresponding notch, the opened or covered part of the notch is still a sector (or sector ring), and the area of this sector (or sector ring) is proportional to its central angle. The area of the notch opened or covered is related to the water flow rate. Thus, by controlling the rotation angle of the rotating shaft 35, the distribution of the water flow rate can be precisely controlled. For example, the flow rate distribution curve can be made to show a linear change, and the control method is simple.

[0150] During the operation of the three-way water valve 100, the notch of the third water tank 26 cannot be completely closed. Therefore, the area of the notch 26A of the third water tank 26 is larger than the area of the first vane 31 and also larger than the area of the second vane 32. Further, the area of the third notch 26A is larger than the area of the first notch 23A and also larger than the area of the second notch 24A.

[0151] Preferably, the first notch 23A and the second notch 24A are configured as sectors (or sector rings) with the same central angle. The first notch 23A and the second notch 24A have the same area. Preferably, the third notch 26A is also configured as a sector (or sector ring). The symmetry axis of the sector (or sector ring) of the third notch 26A intersects with the rotation axis of the rotating shaft 35. Preferably, the first notch 23A and the second notch 24A are configured as sectors with a central angle of 90 degrees, and the third notch 26A is configured as a sector with a central angle of 180 degrees. Each water tank can also be configured as a corresponding sector or sector ring water tank. Thus, the first water tank 23, the second water tank 24, and the third water tank 26 make full use of the internal space of the valve body main body 21, and the third water tank 26 has sufficient capacity to supply water to the first water tank 23 and the second water tank 24. The first water tank 23 and the second water tank 24 can be mirror-symmetrical, thus simplifying the design.

[0152] Accordingly, the first blade 31 and the second blade 32 are configured as sectors or sector rings with a central angle of 90 degrees, and the symmetry axes of the first blade 31 and the second blade 32 are circumferentially spaced by 180 degrees. Thus, when the first blade 31 completely covers the first notch 23A, the second blade 32 completely opens the second notch 24A; when the first blade 31 completely opens the first notch 23A, the second blade 32 completely covers the second notch 24A. In this way, both the first notch 23A and the second notch 24A can be completely covered, and the most unobstructed flow path can be formed between the water inlet 22C and each of the first water outlet 22A and the second water outlet 22B. When the first water tank 23 and the second water tank 24 are mirror-symmetrical, the first blade 31 and the second blade 32 can have the same configuration.

[0153] In an ideal case without considering the thickness of the spacer rib 28 and the diameter of the rotating shaft 35, the preferred embodiment can be understood as that the first notch 23A, the second notch 24A, the third notch 26A, the first blade 31, and the second blade 32 are all sectors with a point on the rotation axis of the valve element 30 as the center of the circle.

[0154] As Figure 7 and Figure 8 shown, the valve cover 10 includes a valve cover housing 11. The valve cover housing 11 includes a cylindrical housing 11A and a plate-shaped housing 11B. The axial direction of the cylindrical housing 11A is DA. The plate-shaped housing 11B is connected to one end of the cylindrical housing 11A along the axial direction DA, so as to jointly enclose the valve cover internal space 19 with the cylindrical housing 11A. The end of the cylindrical housing 11A away from the plate-shaped housing 11B along the axial direction DA is used for sealing connection with the side wall of the valve body main body 21, so that the valve cover 10 covers the valve body main body 21. The valve cover internal space 19 and the valve body internal space 29 together form the internal space of the three-way water valve 100. The valve cover 10 (specifically, the plate-shaped housing 11B) includes a shaft hole 15 for the first end 36 of the rotating shaft to pass through and be connected to the driving assembly 60.

[0155] The valve body 20 is provided with a plurality of (for example, 3) valve body screw holes 27, and the valve cover 10 is provided with a corresponding number of valve cover mounting holes 17. When the valve cover 10 covers the valve body main body 21, the valve cover mounting holes 17 are aligned with the corresponding valve body screw holes 27, and bolts are passed through the valve cover mounting holes 17 and then screwed with the valve body screw holes 27, so as to fasten the valve cover 10 to the valve body 20.

[0156] The valve cover 10 is further provided with a plurality of (for example, 3) valve cover screw holes 16 for connecting with the driving assembly 60, that is, the valve cover 10 is also fastened to the driving assembly by bolts. One of the valve cover screw holes 16 is provided in the waist-shaped column 18. The waist-shaped column 18 can assist in the orientation and positioning of the driving assembly 60 due to the directionality of its shape.

[0157] It can be understood that when the three-way water valve 100 works, the liquid enters the third water tank 26 from the water inlet 22C and overflows the third water tank 26, then flows through the first side 38 of the blade, and then enters the first water tank 23 and / or the second water tank 24.

[0158] The three-way water valve 100 has three working states. The first working state is that the first notch 23A is fully opened and the second notch 24A is fully closed, and the liquid only flows between the water inlet 22C and the first water outlet 22A. The second working state is that the second notch 24A is fully opened and the first notch 23A is fully closed, and the liquid only flows between the water inlet 22C and the second water outlet 22B. The third working state is that the first notch 23A is partially opened (closed) and the second notch 24A is partially opened (closed), and the liquid entering from the water inlet 22C is split between the first water outlet 22A and the second water outlet 22B.

[0159] To achieve the above working states, the valve core 30 is provided with a first limiting portion 33 and a second limiting portion 34 (see Figure 2 , Figure 3 , Figure 5 and Figure 6 ), and the valve cover 10 is provided with a valve cover limiting portion 13 (see Figure 3 and Figure 7 ). The first limiting portion 33 is used to contact the valve cover limiting portion 13 when the valve core 30 rotates in the first rotation direction. When the first limiting portion 33 contacts the valve cover limiting portion 13, the first blade 31 fully opens the first notch 23A, and the second blade 32 completely covers the second notch 24A. The second limiting portion 34 is used to contact the valve cover limiting portion 13 when the valve core 30 rotates in the second rotation direction, where the first rotation direction is opposite to the second rotation direction. When the second limiting portion 34 contacts the valve cover limiting portion 13, the first blade 31 completely covers the first notch 23A, and the second blade 32 fully opens the second notch 24A.

[0160] When the first limiting portion 33 contacts the valve cover limiting portion 13, the valve core 30 will no longer be able to rotate in the first rotation direction. Therefore, the state where the first limiting portion 33 contacts the valve cover limiting portion 13 is also the state where the valve core 30 rotates to the limit in the first rotation direction, and it is also the first working state of the three-way water valve 100. When the second limiting portion 34 contacts the valve cover limiting portion 13, the valve core 30 will no longer be able to rotate in the second rotation direction. Therefore, the state where the second limiting portion 34 contacts the valve cover limiting portion 13 is also the state where the valve core 30 rotates to the limit in the second rotation direction, and it is also the second working state of the three-way water valve 100. When neither the first limiting portion 33 nor the second limiting portion 34 contacts the valve cover limiting portion 13, the valve core 30 can rotate forward or backward, and both the first notch 23A and the second notch 24A are partially opened (closed), which is the third working state of the three-way water valve 100. It can be understood that in the third working state, with different rotation angles of the valve core 30, the flow splitting capabilities of the first notch 23A and the second notch 24A are different.

[0161] For example, the first limiting portion 33 is provided on the first blade 31, and can be provided, for example, on the side of the first blade 31 along the radial direction. The second limiting portion 34 is provided on the second blade 32, and can be provided, for example, on the side of the second blade 32 along the radial direction. The side of the first blade 31 where the first limiting portion 33 is provided is adjacent to the side of the second blade 32 where the second limiting portion 34 is provided. The valve cover limiting portion 13 is always located between the first limiting portion 33 and the second limiting portion 34 in the circumferential direction.

[0162] The valve cover limiting portion 13 is provided, for example, on the side wall of the internal space 19 of the valve cover, that is, on the inner circumferential surface of the cylindrical housing 11A. The valve cover limiting portion 13 protrudes from the inner circumferential surface of the cylindrical housing 11A and extends toward the valve body 20 in the axial direction DA, so as to reach the positions of the two blades. The two limiting portions of the valve core 30 can be configured as grooves on the side edges of the blades, and the valve cover limiting portion 13 enters the groove in the circumferential direction to achieve interference with the groove wall.

[0163] The valve cover limiting portion 13 is provided on the inner circumferential surface of the cylindrical housing 11A, which is equivalent to being provided on the outer shell of the three-way water valve 100, and is maximally away from the rotation axis of the valve core 30. Under the same initial torque, the farther the limiting portion is from the rotating shaft, the smaller the force it receives, and the less likely the limiting portion is to break and wear.

[0164] Such as Figure 9 and Figure 10As shown, in order to ensure that only one water outlet is connected to the water inlet in the first working state and the second working state, the three-way water valve 100 further includes a notch sealing ring 50. The notch sealing ring 50 includes, for example, a first sealing ring 51 and a second sealing ring 52. Both the first sealing ring 51 and the second sealing ring 52 have a second sealing ring side 59 facing the water tank and a first sealing ring side 58 facing away from the water tank (towards the blade).

[0165] The first sealing ring 51 is used to ensure that no water enters the first water tank 23 in the second working state. The first sealing ring 51 is arranged at the first notch 23A and is used to contact the first blade 31. Specifically, the first sealing ring 51 is used to make a sealing contact with the second blade side 39 of the first blade 31 when the valve core 30 rotates to the limit position along the second rotation direction.

[0166] For example, a first rib 23D protruding in the axial direction DA is provided in a circle along the notch at the first notch 23A (see Figure 4 ), a first groove 53 is provided in a circle on the second sealing ring side 59 of the first sealing ring 51, and the first groove 53 matches the shape of the first rib 23D, so that the first rib 23D is inserted into the first groove 53, and the first sealing ring 51 is installed at the first notch 23A. Adhesive can also be further used to bond the first sealing ring 51 to the first notch 23A. In order not to form friction with the first blade 31 during the rotation of the valve core 30, the first sealing ring side 58 of the first sealing ring 51 is configured as a spiral curved surface, and the second blade side 39 of the first blade 31 is configured as a corresponding spiral curved surface. Thus, in the second working state, the first blade 31 makes a sealing contact with the first sealing ring 51, and in other working states, the first blade 31 hardly contacts the first sealing ring 51. That is, the first sealing ring 51 hardly hinders the rotation of the valve core 30 in other working states.

[0167] The second sealing ring 52 is used to ensure that no water enters the second water tank 24 in the first working state. The second sealing ring 52 is arranged at the second notch 24A and is used to contact the second blade 32. Specifically, the second sealing ring 52 is used to make a sealing contact with the second blade side 39 of the second blade 32 when the valve core 30 rotates to the limit position along the first rotation direction.

[0168] For example, a second rib 24D protruding in the axial direction DA is provided in a circle along the notch at the second notch 24A (see Figure 4), on the second side 59 of the second sealing ring 52, a second groove 54 is provided in a circle. The second groove 54 is in a shape matching with the second rib 24D, so that the second rib 24D is inserted into the second groove 54, and the second sealing ring 52 is installed to the second notch 24A. Adhesive can also be further used to bond the second sealing ring 52 and the second notch 24A. In order not to form friction with the second vane 32 during the rotation of the valve core 30, the first side 58 of the second sealing ring 52 is configured as a spiral curved surface, and the second side 39 of the second vane 32 is configured as a corresponding spiral curved surface. Thus, in the first working state, the second vane 32 is in sealing contact with the second sealing ring 52, while in other working states, the second vane 32 hardly contacts the second sealing ring 52. That is to say, the second sealing ring 52 hardly hinders the rotation of the valve core 30 in other working states.

[0169] The first sealing ring 51 and the second sealing ring 52 can be formed into an integral notch sealing ring 50, or can be two separate sealing rings.

[0170] To ensure that the rotating shaft 35 does not deviate, the valve cover 10 further includes a cylindrical portion 12 (see Figure 7 and Figure 8 ). The cylindrical portion 12 extends towards the internal space of the three-way water valve 100 along its axial direction DA. The internal through hole of the cylindrical portion 12 is communicated with the shaft hole 15, or is the shaft hole 15. For example, the cylindrical portion 12 is arranged in the cylindrical housing 11A, and their axial directions are parallel. One end of the cylindrical portion 12 along the axial direction is connected to the plate-shaped housing 11B. The cylindrical portion 12 and the cylindrical housing 11A are on the same side of the plate-shaped housing 11B. The cylindrical portion 12 has a certain axial length, and it and the receiving groove 25 of the valve body 20 jointly keep the direction of the rotating shaft 35 constant. It can be understood that when the valve cover 10 covers the valve body main body 21, the cylindrical portion 12 and the receiving groove 25 are centered or basically centered.

[0171] As Figure 1 shown, an O-ring 71 is arranged between the inner peripheral surface of the cylindrical portion 12 and the outer peripheral surface of the first end portion 36 of the rotating shaft, so as to realize the sealing of the three-way water valve 100. For example, two O-rings 71 can be arranged to enhance the sealing performance. The two O-rings 71 are separated by a sealing ring spacer 72.

[0172] To make the valve core 30 position stable along the axial direction DA, the three-way water valve 100 further includes a limit ring 40. As Figure 11 and Figure 12As shown, the limiting ring 40 is generally configured in a cylindrical shape and has an axial direction DA. The limiting ring 40 includes a first end portion 46 and a second end portion 47 of the limiting ring that are oppositely arranged along the axis. The rotating shaft 35 is configured such that the diameter of the first end portion 36 of the rotating shaft is smaller than the diameter of at least a part of the second end portion 37 of the rotating shaft. The limiting ring 40 is sleeved on the outer periphery of the first end portion 36 of the rotating shaft. The second end portion 47 of the limiting ring is used to axially abut against one side of the second end portion 37 of the rotating shaft facing the first end portion 36 of the rotating shaft, and the first end portion of the limiting ring is used to axially abut against the cylindrical portion 12. Through the limiting ring 40, the valve cover 10 and the valve body 20 limit the valve core 30 in the axial direction DA.

[0173] Specifically, a rotating shaft flange 37B is provided on the second end portion 37 of the rotating shaft such that the diameter of the rotating shaft flange 37B is larger than the diameter of the first end portion 36 of the rotating shaft. The diameter of the end 37C of the second end portion 37 of the rotating shaft is smaller than the diameter of the rotating shaft flange 37B and can further be smaller than the diameter of the first end portion 36 of the rotating shaft. Thus, the size of the receiving groove 25 can be smaller to minimize the occupation of the internal space of the valve body 20 as much as possible and reduce the rotational friction between the end 37C and the receiving groove 25. The first blade 31 and the second blade 32 are provided on the outer peripheral surface of the rotating shaft flange 37B. The rotating shaft flange 37B has a rotating shaft end face 37A facing the first end portion 36 of the rotating shaft. One side of the second end portion 47 of the limiting ring facing the second end portion 37 of the rotating shaft is a second end face 43 of the limiting ring, which is used to axially abut against the rotating shaft end face 37A along the axial direction DA (see Figure 1 ). Preferably, an annular groove 42 is provided on the second end face 43 of the limiting ring for accommodating lubricant, so that the friction is small when the rotating shaft 35 rotates relative to the limiting ring 40. The side of the first end portion 46 of the limiting ring facing away from the second end portion 37 of the rotating shaft has a first end face 44 of the limiting ring. The side of the cylindrical portion 12 facing the second end portion 37 of the rotating shaft has a cylindrical portion end face 14, which is used to axially abut against the first end face 44 of the limiting ring along the axial direction DA (see Figure 1 ).

[0174] The end face 14 of the cylindrical part is a stepped surface on the inner peripheral surface, and the first end face 44 of the limiting ring is a stepped surface on the outer peripheral surface, so that at least a part of the first end 46 of the limiting ring is received in the through hole of the cylindrical part 12. Preferably, the outer peripheral surface of the first end 46 of the limiting ring is in tight fit with the inner peripheral surface of the cylindrical part 12, so that the relative position between the limiting ring 40 and the valve cover 10 remains unchanged. For example, a plurality of convex keys 41 are provided on the outer peripheral surface of the first end 46 of the limiting ring, and the convex keys 41 are in tight fit with the inner peripheral surface of the cylindrical part 12. Since at least a part of the first end 46 of the limiting ring is received in the through hole of the cylindrical part 12, preferably, the inner diameter of the limiting ring 40 is smaller than the inner diameter of the cylindrical part 12, so that the processing technology of the components can be simplified. Moreover, this makes the fit between the limiting ring 40 and the rotating shaft 35 more precise than the fit between the cylindrical part 12 and the rotating shaft 35, so that the limiting ring 40 can more accurately ensure that the rotating shaft 35 does not deflect.

[0175] When assembling the three-way water valve 100, first install the limiting ring 40 onto the cylindrical part 12, then pass the rotating shaft 35 through the limiting ring 40 and the cylindrical part 12, then connect the valve body 20 to the valve cover 10, and finally install the driving assembly 60. To facilitate the installation and removal of the limiting ring 40 and control the position of the limiting ring 40 along the axial direction DA, preferably, the diameter of the second end 47 of the limiting ring is larger than the diameter of the first end 46 of the limiting ring, or in other words, the second end 47 of the limiting ring forms a flange on the cylindrical outer peripheral surface.

[0176] See Figure 5 and Figure 6 , a plurality of teeth or keys are configured on the outer periphery of the first end 36 of the rotating shaft, so as to facilitate the driving assembly 60 to drive the rotating shaft 35 to rotate. The driving assembly 60 uses a stepper motor as the driving component, for example. After each power-on of the device, the stepper motor first rotates the valve core 30 to the limit position along the first rotation direction, and then rotates the valve core 30 to the limit position along the second rotation direction, so that the stepper motor can know the number of rotation steps between the two limit positions. Since the angle between the two limit positions is fixed, the rotation angle of each step of the stepper motor can be determined. The stepper motor takes one of the limit positions as the initial position, so that the rotation angle of the valve core 30 can be determined by controlling the number of forward rotation steps and reverse rotation steps, that is, the diversion control of the three-way water valve 100 is realized.

[0177] The three-way water valve 100 is usually applied in a thermal management system or other devices that need to use a three-way water valve, such as a vehicle, such as a new energy vehicle. For example, the three-way water valve 100 can be used in the thermal management system of a new energy vehicle. For example, in the thermal management system of some embodiments, the water inlet 22C of the three-way water valve 100 is connected to a plate heat exchanger or a heater, the first water outlet 22A is connected to a battery pack for heating or cooling the battery, and the second water outlet 22B is connected to a heater core for heating the vehicle interior.

[0178] In all of the above preferred embodiments, the processes and steps described are merely examples. Unless adverse effects occur, various processing operations can be performed in an order different from the order of the above processes. The order of the steps of the above processes can also be increased, combined, or deleted according to actual needs.

[0179] When understanding the scope of the present application, as used herein, the term "comprising" and its derivatives are intended to be open-ended terms that specify the presence of the recited features, elements, components, groups, wholes, and / or steps, but do not exclude the presence of other unrecited features, elements, components, groups, wholes, and / or steps. This concept also applies to words with similar meanings, such as the terms "including", "having", and their derivatives.

[0180] As used herein, the term "attached" or "attachment" includes: a configuration in which an element is directly fixed to another element by directly fixing the element to the other element; a configuration in which an element is indirectly fixed to another element by fixing the element to an intermediate member, and the intermediate member is in turn fixed to the other element; and a configuration in which one element is integral with another element, i.e., one element is substantially a part of the other element. This definition also applies to words with similar meanings, such as "connected", "coupled", "joined", "mounted", "adhered", "fixed", and their derivatives. Finally, degree terms such as "substantially", "about", and "approximate" as used herein represent the amount of deviation that modifies the term such that the final result is not significantly changed.

[0181] Unless otherwise defined, the technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field of the present application. The terms used herein are only for the purpose of describing specific embodiments and are not intended to limit the present application. The features described in one embodiment herein can be applied to another embodiment alone or in combination with other features, unless the feature is not applicable or otherwise stated in that other embodiment.

[0182] The present application has been described by the above embodiments, but it should be understood that the above embodiments are only for the purpose of illustration and example, and are not intended to limit the present application to the scope of the described embodiments. In addition, those skilled in the art can understand that the present application is not limited to the above embodiments, and more variations and modifications can be made according to the teachings of the present application, and these variations and modifications all fall within the scope claimed by the present application.

Claims

1. A three-way water valve, characterized in that: include: A valve body, the valve body comprising: A valve body, wherein the valve body is connected with a first water outlet, a second water outlet and a water inlet, A first water tank is disposed in the valve body and communicated with the first water outlet. The first water tank has a first notch. a second water tank, disposed in the valve body, connected to the second water outlet, the second water tank having a second notch, and A third water tank is arranged in the valve body and communicated with the water inlet. The third water tank has a third notch. Wherein, the first water groove, the second water groove and the third water groove are spaced apart from each other and arranged in sequence along the circumferential direction of the valve body; A valve cover, used to cover the valve body to enclose the internal space of the three-way water valve together with the valve body; a valve core including a first blade and a second blade, wherein the first blade and the second blade are located in the inner space; and A driving assembly is connected to the valve core to drive the valve core to rotate, so that the first blade covers or opens the first slot, and the second blade covers or opens the second slot.

2. The three-way water valve according to claim 1, characterized in that: The valve core is provided with a first limiting portion and a second limiting portion, and the valve cover is provided with a valve cover limiting portion. The first limiting portion is used to contact the valve cover limiting portion when the valve core rotates along a first rotation direction, and the second limiting portion is used to contact the valve cover limiting portion when the valve core rotates along a second rotation direction, wherein the first rotation direction is opposite to the second rotation direction. Wherein, when the first limiting portion contacts the valve cover limiting portion, the first blade completely opens the first notch, and the second blade completely covers the second notch. When the second limiting portion contacts the valve cover limiting portion, the first blade completely covers the first notch, and the second blade completely opens the second notch.

3. The three-way water valve according to claim 2, characterized in that: The valve core further includes a rotating shaft, the rotating shaft includes a first rotating shaft end portion and a second rotating shaft end portion which are arranged opposite to each other in the axial direction, the driving assembly is connected to the first rotating shaft end portion to drive the rotating shaft to rotate, The first blade and the second blade are connected to the outer circumferential surface of the second end of the shaft, the first blade faces the first water tank on one side facing away from the first end of the shaft, and the second blade faces the second water tank on one side facing away from the first end of the shaft.

4. The three-way water valve according to claim 3, characterized in that: The three-way water valve also includes: A first sealing ring, disposed in the first notch, for contacting the first blade; and A second sealing ring is disposed at the second notch and is used for contacting the second blade.

5. The three-way water valve according to claim 4, characterized in that: The side of the first sealing ring facing the first blade is configured as a spiral curved surface, and the side of the first blade facing the first sealing ring is configured as a spiral curved surface, so that when the second limiting portion contacts the valve cover limiting portion, the first blade is in sealing contact with the first sealing ring. The side of the second sealing ring facing the second blade is configured as a spiral curved surface, and the side of the second blade facing the second sealing ring is configured as a spiral curved surface, so that when the first limiting portion contacts the valve cover limiting portion, the second blade is in sealing contact with the second sealing ring.

6. The three-way water valve according to claim 3, characterized in that: The first limiting portion is arranged on the first blade. The second limiting portion is arranged on the second blade.

7. The three-way water valve according to claim 3, characterized in that: The valve cover limiting portion is arranged on the side wall of the internal space.

8. The three-way water valve according to claim 3, characterized in that: The valve cover comprises a shaft hole for allowing the first end of the rotating shaft to pass through so as to be connected with the driving assembly.

9. The three-way water valve according to claim 8, characterized in that: The valve cover further includes a cylindrical portion extending in the internal space, and an internal through hole of the cylindrical portion is communicated with the shaft hole.

10. The three-way water valve according to claim 9, characterized in that: The diameter of the first end of the shaft is smaller than the diameter of at least part of the second end of the shaft, The three-way water valve also includes a limit ring, which is sleeved on the outer circumference of the first end of the rotating shaft. The limit ring includes a first limit ring end and a second limit ring end which are axially opposite to each other. The second end of the limit ring is used to axially abut against the second end of the rotating shaft, and the first end of the limit ring abuts against the cylindrical portion along the axial direction.

11. The three-way water valve according to claim 10, characterized in that: The outer circumferential surface of the first end of the limiting ring is tightly matched with the inner circumferential surface of the cylindrical portion; and / or A ring groove is provided on one side of the limiting ring facing the second end of the rotating shaft for accommodating lubricant.

12. The three-way water valve according to claim 10, characterized in that: The diameter of the first end of the limiting ring is smaller than the diameter of the second end of the limiting ring; and / or The inner diameter of the limiting ring is smaller than the inner diameter of the cylindrical portion.

13. The three-way water valve according to claim 9, characterized in that: A sealing ring is arranged between the inner circumferential surface of the cylindrical portion and the outer circumferential surface of the first end portion of the rotating shaft.

14. The three-way water valve according to any one of claims 1 to 13, characterized in that: The first notch and the second notch are both configured in a sector shape or a sector ring shape, wherein an intersection of a symmetry axis of the sector shape or sector ring shape of the first notch and a symmetry axis of the sector shape or sector ring shape of the second notch is located on the rotation axis of the valve core.

15. The three-way water valve according to claim 14, characterized in that: The first notch and the second notch are configured to be sector-shaped or sector-shaped with the same central angle.

16. The three-way water valve according to claim 15, characterized in that: An area of ​​the third notch is larger than an area of ​​the first notch, and an area of ​​the third notch is larger than an area of ​​the second notch.

17. The three-way water valve according to claim 16, characterized in that: The first notch and the second notch are configured as sectors or sector rings with a central angle of 90 degrees, the third notch is configured as sectors or sector rings with a central angle of 180 degrees, and the sector or sector ring axis of the third notch intersects with the rotation axis of the valve core.

18. The three-way water valve according to claim 17, characterized in that: The first blade and the second blade are configured in a sector shape or a sector ring shape with a central angle of 90 degrees, and the symmetry axis of the first blade and the symmetry axis of the second blade are spaced 180 degrees apart in the circumferential direction.

19. A thermal management system, characterized in that: It comprises a three-way water valve according to any one of claims 1 to 18.

20. A vehicle, characterized in that: include: A three-way water valve according to any one of claims 1 to 18, or The thermal management system of claim 19.

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