Water channel component and water use system equipped with the water channel component

Abstract

The present application relates to a water channel component and a water use system equipped with the water channel component, wherein the water channel component includes: a shell, an operable water temperature setting element; the shell is provided with: a cold water channel, having a cold water inlet joint extending out of the shell; a hot water channel, having a hot water inlet joint extending out of the shell; a mixed water channel, respectively connected to the cold water channel and the hot water channel, having a mixed water outlet joint extending out of the shell; a first water temperature sensor for obtaining the current first water temperature of the hot water channel; a first electric heater for heating the hot water channel or the mixed water channel; a controller for: obtaining the target water temperature from the water temperature setting element, obtaining the first water temperature from the first water temperature sensor, and controlling the working state of the first electric heater according to the target water temperature and the first water temperature. The water channel component of the present application can be purchased separately from the water use terminal, and can be used in conjunction with various water use terminals to upgrade the functions of traditional water use terminals, so that the water use terminals that originally do not have the automatic constant temperature water outlet function have the automatic constant temperature water outlet function.

Description

Technical Field

[0001] The present application relates to a water channel component and a water-using system equipped with the water channel component. Background Art

[0002] Most traditional water terminals, such as faucets, do not have the function of automatic constant temperature water outlet. Even if some faucets have this function, the waterway structure used to achieve constant temperature control is directly integrated inside and must be sold together with the faucet.

[0003] This application arises from this. Summary of the invention

[0004] The technical problem solved by the present application is: to propose a water channel component and a water use system equipped with the water channel component, wherein the water channel component can be purchased separately from a water use terminal, and can be used in conjunction with various water use terminals to upgrade the functions of traditional water use terminals, so that water use terminals that originally do not have the automatic constant temperature water outlet function have the automatic constant temperature water outlet function.

[0005] The technical solution of this application is:

[0006] In a first aspect, the present application provides a water channel assembly, comprising:

[0007] housing, and

[0008] An operable water temperature setting element, the water temperature setting element being disposed on the surface of the housing and used to set a target water temperature of the water mixing channel;

[0009] The housing is provided with:

[0010] A cold water flow channel, wherein the cold water flow channel has a cold water inlet joint extending out of the shell;

[0011] A hot water flow channel, wherein the hot water flow channel has a hot water inlet joint extending out of the shell;

[0012] The mixed water flow channel is connected to the cold water flow channel and the hot water flow channel respectively, and the mixed water flow channel has a mixed water outlet joint extending out of the shell;

[0013] a first water temperature sensor, the first water temperature sensor being connected to the hot water flow channel to obtain a current first water temperature of the hot water flow channel;

[0014] a first electric heater, the first electric heater being connected to the hot water flow channel or the mixed water flow channel for heating the hot water flow channel or the mixed water flow channel,

[0015] A controller, wherein the controller is respectively communicatively connected with the water temperature setting element, the first water temperature sensor and the first electric heater, and is used to: obtain the target water temperature from the water temperature setting element, obtain the first water temperature from the first water temperature sensor, and control the working state of the first electric heater according to the target water temperature and the first water temperature.

[0016] In an optional design, an operable flow setting element is further provided on the surface of the shell for setting a target flow of the mixed water channel, and the flow setting element is communicatively connected to the controller.

[0017] In an optional design, a mixing water valve is also provided in the shell, and the mixing water valve is respectively connected between the cold water flow channel and the mixing water flow channel and between the hot water flow channel and the mixing water flow channel, so as to adjust the ratio of the connecting area between the cold water flow channel and the mixing water flow channel and the connecting area between the hot water flow channel and the mixing water flow channel, and the mixing water valve is communicatively connected to the controller.

[0018] In an optional design, a first flow regulating valve is further provided in the shell, and the first flow regulating valve is connected to the mixed water flow channel to regulate the flow of the mixed water flow channel.

[0019] In an optional design, the housing is further provided with:

[0020] a second flow regulating valve connected to the cold water flow channel to regulate the flow of the cold water flow channel; and

[0021] a third flow regulating valve, the third flow regulating valve being connected to the hot water flow channel to regulate the flow of the hot water flow channel;

[0022] Wherein, the second flow regulating valve and the third flow regulating valve are both communicatively connected to the controller.

[0023] In an optional design, the controller is used to:

[0024] Acquire the target water temperature of the mixed water flow channel from the flow setting element, acquire the target flow rate of the mixed water flow channel from the flow setting element, and acquire the current first water temperature of the hot water flow channel from the first water temperature sensor;

[0025] If the first water temperature is less than the target water temperature, the cold water channel is controlled to be isolated from the mixed water channel, the first electric heater is controlled to heat the hot water channel at a first power, and the hot water channel is controlled to supply water to the mixed water channel at a first flow rate, wherein the first flow rate is a flow rate at which the water temperature of the hot water channel can be maintained at the target water temperature when the first electric heater heats the hot water channel at the first power.

[0026] In an optional design, the cold water inlet joint, the hot water inlet joint and the mixed water inlet joint are all threaded joints.

[0027] In an optional design, the housing is further provided with:

[0028] A water return channel, the water return channel being in communication with the hot water channel;

[0029] A return valve is connected between the return water channel and the hot water channel to disconnect or connect the hot water channel and the return water channel, and the return valve is communicatively connected to the controller.

[0030] In a second aspect, the present application proposes a water use system, comprising:

[0031] The water channel assembly according to the first aspect,

[0032] a hot water tank, the hot water tank being in communication with the hot water flow channel so as to supply water to the hot water flow channel;

[0033] A water use terminal is communicated with the mixed water flow channel to obtain water from the mixed water flow channel.

[0034] In an optional design, the water terminal is a faucet installed on the basin, and the water channel component is arranged under the countertop of the basin.

[0035] This application has at least the following beneficial effects:

[0036] The water channel component of the present application can be produced and sold as an independent product. Users only need to purchase the independent product separately to upgrade the function of the original water terminal (such as faucets, showers, etc.), so that the traditional water terminal has an intelligent constant temperature water outlet function. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings of the embodiments will be briefly introduced below. Obviously, the drawings in the following description only relate to some embodiments of the present application, rather than limiting the present application.

[0038] Figure 1 It is a schematic diagram of the water channel assembly in Example 1 of the present application.

[0039] Figure 2 It is configuration Figure 1 Schematic diagram of the water system of the mid-water channel component.

[0040] Figure 3 It is a schematic diagram of the water channel assembly in Example 2 of the present application.

[0041] Figure 4 It is configuration Figure 3 Schematic diagram of the water system of the mid-water channel component.

[0042] Figure 5 It is a schematic diagram of the water channel assembly in Example 3 of the present application.

[0043] Figure 6 It is configuration Figure 5 Schematic diagram of the water system of the mid-water channel component.

[0044] Figure 7 It is a schematic diagram of the water channel assembly in Example 4 of the present application.

[0045] Figure 8 It is configuration Figure 7 Schematic diagram of the water system of the mid-water channel component.

[0046] Fig. 9 yes Figure 1 Partial decomposition diagram of the mixing valve Figure 1 .

[0047] Fig.10 yes Fig. 9 Schematic diagram after adding the pivot axis and cylindrical surface.

[0048] Fig.11 yes Figure 2 Partial decomposition diagram of the mixing valve Figure 2 .

[0049] Fig.12 yes Figure 2 Schematic diagram of the coordination between the fixed valve plate and the first movable valve plate of the middle mixing valve.

[0050] Fig.13 yes Fig. 9 Schematic cross-sectional view of the first movable valve plate.

[0051] Fig.14 yes Fig. 9 Schematic cross-sectional view of the closed end of the middle valve housing.

[0052] Fig.15 yes Figure 1 Partial decomposition diagram of the mixing valve Figure 3 .

[0053] Fig.16 yes Figure 1 Partial decomposition diagram of the mixing valve Figure 4 .

[0054] Fig.17 yes Figure 1 Partial schematic diagram of the mixing valve.

[0055] Fig.18 It is a schematic diagram of the water channel assembly in Example 5 of the present application.

[0056] Fig.19 It is configuration Fig.18 Schematic diagram of the water system of the mid-water channel component.

[0057] Fig. 20 This is a flow chart of the method for using the water channel assembly in Example 6 of the present application.

[0058] Description of reference numerals:

[0059] c-pivot axis, f-cylindrical surface;

[0060] 1-cold water flow channel, 2-hot water flow channel, 3-mixing water flow channel, 4-return water flow channel, 5-first electric heater, 6-mixing water valve, 7-first flow regulating valve, 8-water temperature setting element, 9-flow setting element, 10-controller, 11-first water temperature sensor, 12-second water temperature sensor, 13-third water temperature sensor, 14-second flow regulating valve, 15-third flow regulating valve, 16-motor, 17-gear, 18-return water valve, 26-housing, 27-water tank;

[0061] 601-first fixed valve disc, 602-first movable valve disc, 603-second movable valve disc, 604-rotating shaft, 605-rotating sleeve, 606-valve housing, 607-valve cover, 608-sealing ring, 609-third fixed valve disc, 610-fourth movable valve disc;

[0062] 601a-first surface, 602a-second surface, 602b-third surface, 603a-fourth surface;

[0063] 6011-first cold water hole, 6012-first hot water hole, 6013-first mixing water hole, 6021-second mixing water hole, 6022-third mixing water hole, 6031-first mixing water tank;

[0064] 6011a - first orifice, 6012a - second orifice, 6021a - third orifice, 6021b - fourth orifice, 6022a - fifth orifice, 6031a - first slot, 6013a - sixth orifice, 6022b - seventh orifice;

[0065] 6011a1 - first end of the first orifice, 6011a2 - third end of the first orifice, 6012a1 - second end of the second orifice, 6012a2 - fourth end of the second orifice;

[0066] 6061-the second cold water hole, 6062-the second hot water hole, 6063-the fourth mixing water hole. DETAILED DESCRIPTION

[0067] In order to make the purpose, technical scheme and advantages of the present application clearer, the technical scheme of the embodiment of the present application will be clearly and completely described below in conjunction with the drawings of the embodiment of the present application. Obviously, the described embodiment is a part of the embodiment of the present application, rather than all the embodiments. Based on the described embodiment of the present application, all other embodiments obtained by ordinary technicians in this field without creative work belong to the scope of protection of this application. It can be understood that, in the absence of conflict, some technical means of the various embodiments described herein can be replaced or combined with each other.

[0068] In the description of the specification and claims of this application, if there are terms such as "first", "second", etc., they are only used to distinguish the objects described and do not have any order or technical meaning. Therefore, an object defined as "first", "second", etc. may explicitly or implicitly include one or more of the objects. In addition, similar words such as "one" or "a" do not indicate a quantitative limitation, but rather indicate the existence of at least one, and "multiple" means not less than two. The "multiple" mentioned in this application means not less than two.

[0069] In the description of the specification and claims of this application, if there are terms such as "connection", "installation", "fixation", etc., unless otherwise specified, they should be understood in a broad sense. For example, "connection" can be a separate connection or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a non-detachable connection or a detachable connection. For those skilled in the art, the specific meanings of the above terms in this application can be understood according to the specific circumstances.

[0070] In the description of the specification and claims of this application, if there are terms such as "upper", "lower", "horizontal" and the like indicating an orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for the convenience of describing the application clearly and simply, and does not indicate or imply that the elements referred to must have a specific direction, be constructed and operated in a specific orientation. These directional terms are relative concepts, used for relative description and clarification, and may change accordingly according to the change in the orientation of the components placed in the drawings. For example, if the device in the figure is turned over, the elements described as "below" other elements will be positioned "above" other elements.

[0071] In the description of the specification and claims of this application, if the terms "sequentially" or "in sequence" appear, for example, the phrase "A, B, C arranged sequentially" only indicates the arrangement order of elements A, B, C, and does not exclude the possibility of arranging other elements between A and B and / or between B and C.

[0072] In the description of the specification and claims of this application, if there is a term "based on" or "according to", it is used to describe one or more factors that affect the determination. The term does not exclude additional factors that affect the determination. That is, the determination may be based only on these factors or at least partially on these factors. For example, the phrase "based on D, E is determined". In this case, D is a factor that affects the determination of E. This phrase does not exclude that the determination of E may also be based on F.

[0073] In the specification and claims of this application, if the term "if" is present, it can generally be interchanged with "when" or "upon" or "in response to determining", depending on the context.

[0074] In the description of the specification and claims of this application, if the term "configured to" is present, it can generally be interchanged with "having the ability to", "designed to", "for" or "capable of", depending on the context.

[0075] Now, embodiments of the present application are described with reference to the accompanying drawings.

[0076] <Example 1: Waterway assembly and water use system>

[0077] Figure 1 A first specific waterway assembly is shown, Figure 2 Shows that there is Figure 1 A water system with mid-water channel components. Figure 1 The water channel assembly includes: a housing 26, a cold water channel 1, a hot water channel 2, a mixed water channel 3, a mixed water valve 6, a first electric heater 5, a first water temperature sensor 11, a water temperature setting element 8 and a controller 10. Figure 1 The waterway components, Figure 2 The water use system only adds a water use terminal 22.

[0078] In this embodiment, the water terminal 22 is a faucet having a water outlet connected to the water mixing channel 3. When in use, water flowing from the cold water channel 1 and / or the hot water channel 2 into the water mixing channel 3 is delivered to the water outlet of the faucet for use by the user. In other embodiments, the water terminal 22 is a shower for bathing.

[0079] The outlet end of the cold water channel 1 and the outlet end of the hot water channel 2 are connected to the water inlet end of the mixed water channel 3 through the same mixing valve 6, that is, the mixing valve 6 is connected to both the cold water channel 1 and the mixed water channel 3 and the hot water channel 2 and the mixed water channel 3. The mixing valve 6 is used to adjust the ratio of the connecting area between the cold water channel 1 and the mixed water channel 3 and the connecting area between the hot water channel 2 and the mixed water channel 3, thereby adjusting the ratio of cold and hot water entering the mixed water channel 3, so as to obtain the ideal water temperature in the mixed water channel 3 and transport it to the water terminal 22 to meet the user's demand for water temperature. In this embodiment, the mixing valve 6 can also adjust the connecting area between any of the cold water channel 1 and the hot water channel 2 and the mixed water channel 3 to zero. The first water temperature sensor 11 is connected to the hot water channel 2 to obtain the current first water temperature of the hot water channel 2. The first electric heater 5 is connected to the hot water channel 2, and can heat the hot water channel 2 when the water temperature of the hot water channel 2 is low to increase the water temperature of the hot water channel 2. The water temperature setting element 8 can be operated manually or by voice control to set the target water temperature of the water mixing channel 3. The controller 10 is respectively connected to the first water temperature sensor 11, the first electric heater 5, the water temperature setting element 8 and the water mixing valve 6 in communication to: obtain the current first water temperature of the hot water channel 2 from the first water temperature sensor 11, determine the target water temperature of the water mixing channel 3 according to the operation information acting on the water temperature setting element 8, and control the working state of the first electric heater 5 and the water mixing valve 6 according to the first water temperature and the target water temperature.

[0080] In actual applications, users usually also have requirements for the water flow rate of the water terminal 22, especially the faucet. Therefore, the water channel component of this embodiment is also configured with a first flow regulating valve 7 and a flow setting element 9 that can be manually operated (including voice-controlled operation). Among them, the first flow regulating valve 7 is connected to the mixing water channel 3. When in use, the flow of the mixing water channel 3 is adjusted by adjusting the opening of the first flow regulating valve 7. The flow setting element 9 is used to set the target flow of the mixing water channel 3. The first flow regulating valve 7 and the flow setting element 9 are both communicatively connected to the above-mentioned controller 10, and the controller 10 can be further used to: control the working state of the first electric heater 5, the mixing water valve 6 and the first flow valve 7 according to the aforementioned first water temperature, target water temperature, and target flow.

[0081] The water channel assembly of this embodiment has a shell 26 used to carry and concentrate the cold water channel 1, hot water channel 2, mixed water channel 3, mixed water valve 6, first electric heater 5, first water temperature sensor 11, first flow regulating valve 7, water temperature setting element 8, flow setting element 9 and controller 10. The water temperature setting element 8 and flow setting element 9 are arranged on the outer surface of the shell 26, and the cold water channel 1, hot water channel 2, mixed water channel 3, mixed water valve 6, first flow regulating valve 7, first electric heater 5, first water temperature sensor 11 and controller 10 are all arranged in the shell 26. Moreover, for the water channel assembly, the water inlet end of the cold water channel 1, the water inlet end of the hot water channel 2 and the water outlet end of the mixed water channel 3 all extend out of the shell 26 and are provided with connecting threads to facilitate the connection with the external pipeline and the water terminal 22. It can be seen that the cold water flow channel 1 and the hot water flow channel 2 of the water channel assembly both have water inlet joints extending out of the shell 26 , and the mixing water flow channel 3 in the independent product has a water outlet joint extending out of the shell 26 .

[0082] Figure 1 The intermediate water channel assembly can be produced and sold as an independent product, and the user only needs to purchase the independent product separately to upgrade the function of the original water terminal 22 (such as a faucet, shower, etc.).

[0083] To facilitate readers to observe the internal structure of the waterway component, Figure 1 The housing 26 in is opened.

[0084] In this embodiment, the water temperature setting element 8 and the flow rate setting element 9 are two independently operable knobs. In other embodiments, the water temperature setting element 8 and the flow rate setting element 9 are integrated in the same touch screen.

[0085] In this embodiment, the water mixing valve 6 and the first flow regulating valve 7 are both valves driven by the motor 16, and both can be purchased on the market or obtained by making simple changes to conventional valves.

[0086] <Example 2>

[0087] Figure 3 A second specific waterway assembly is shown, Figure 4 Shows that there is Figure 3 A water system of the water channel assembly. The specific structure of the water channel assembly and the water system in this embodiment is basically the same as that in the first embodiment, and can be understood by referring to the description of the first embodiment. The main differences are as follows:

[0088] In order to better control the working state of the first electric heater 5, the mixing valve 6 and the first flow regulating valve 7, the water channel assembly of this embodiment is further configured with a second water temperature sensor 12 which is communicatively connected to the controller 10. The second water temperature sensor 12 is connected to the cold water flow channel 1 to obtain the current second water temperature of the cold water flow channel 1. Thus, the controller 10 can further control the working state of the first electric heater 5, the mixing valve 6 and the first flow regulating valve 7 according to the first water temperature, the target water temperature, the target flow rate and the second water temperature.

[0089] The first electric heater 5 can only heat the hot water flow channel 2, but not the mixed water flow channel 3. If the water temperature of the mixed water flow channel 3 is low in the initial state, when the user turns on the faucet to prepare for tea, the first electric heater 5 can only heat the water temperature of the hot water flow channel 2 to the target temperature, and the low-temperature water in the mixed water flow channel 3 will flow out before the water in the hot water flow channel 2 that is heated to the target temperature, affecting the user's experience. In view of this, in this embodiment, the water channel component is also configured with a third water temperature sensor 13 and a second electric heater not shown in the figure. Among them, the third water temperature sensor 13 is used to obtain the current third water temperature of the mixed water flow channel 3, and the second electric heater is used to heat the mixed water flow channel 3. In actual application, the controller 10 can respond to receiving the user's water use operation, control the second electric heater to heat the low water temperature of the mixed water flow channel 3 to the target water temperature and then turn it off, and then control the mixed water flow channel to deliver water to the water outlet of the water use terminal 22.

[0090] The second water temperature sensor 12 , the third water temperature sensor 13 and the second electric heater are all disposed in the housing 26 .

[0091] <Example 3>

[0092] Figure 5 A third specific waterway assembly is shown, Figure 6 Shows that there is Figure 5 A water system of the water channel assembly. The specific structure of the water channel assembly and the water system in this embodiment is similar to that of the first embodiment, and can be understood by referring to the description of the first embodiment. The main differences are as follows:

[0093] In this embodiment, the water channel assembly includes a cold water channel 1, a hot water channel 2, a mixed water channel 3, a first electric heater 5, a first water temperature sensor 11, a second flow regulating valve 14, a third flow regulating valve 15, a water temperature setting element 8, a flow setting element 9 and a controller 10. The water outlet of the cold water channel 1 is connected to the water inlet of the mixed water channel 3 through the second flow regulating valve 14. When in use, the flow of the cold water channel 1 can be adjusted by adjusting the opening of the second flow regulating valve 14. The water outlet of the hot water channel 2 is connected to the water inlet of the mixed water channel 3 through the third flow regulating valve 15. When in use, the flow of the hot water channel 2 can be adjusted by adjusting the opening of the third flow regulating valve 15. It is not difficult to understand that by adjusting the opening of the second flow regulating valve 14 and the third flow regulating valve 15, both the water temperature of the mixed water channel 3 and the flow of the mixed water channel 3 can be adjusted to simultaneously meet the user's needs for water temperature and water flow. The first water temperature sensor 11 is connected to the hot water flow channel 2, and is used to obtain the current first water temperature of the hot water flow channel 2. The first electric heater 5 is connected to the hot water flow channel 2, and can heat the hot water flow channel 2 when the water temperature of the hot water flow channel 2 is low, so as to increase the water temperature of the hot water flow channel 2. The water temperature setting element 8 that can be manually operated (or voice-controlled) is used to set the target water temperature of the mixed water flow channel 3. The flow setting element 9 that can be manually operated (or voice-controlled) is used to set the target flow of the mixed water flow channel 3. The controller 10 is respectively connected to the first water temperature sensor 11, the first electric heater 5, the water temperature setting element 8, the flow setting element 9, the second flow regulating valve 14 and the third flow regulating valve 15 for controlling the working states of the first electric heater 5, the second flow regulating valve 14 and the third flow regulating valve 15 according to the aforementioned first water temperature, target flow and target water temperature.

[0094] In this embodiment, the water temperature setting element 8 is a pair of buttons with "+" and "-" respectively, and the flow rate setting element 9 is another pair of buttons with "+" and "-" respectively.

[0095] <Example 4>

[0096] Figure 7 A fourth specific waterway assembly is shown, Figure 8 Shows that there is Figure 7 A water system using a water channel assembly. The specific structure of the water channel assembly and the water system in this embodiment is similar to that of the first embodiment, and can be understood by referring to the description of the first embodiment.

[0097] In this embodiment, the water channel assembly also includes a cold water channel 1, a hot water channel 2, a mixed water channel 3, a first electric heater 5, a first water temperature sensor 11, a water temperature setting element 8, a flow rate setting element 9 and a controller 10. The water outlet of the cold water channel 1 and the water outlet of the hot water channel 2 are connected to the water inlet of the mixed water channel 3 through the same mixing valve 6.

[0098] Different from the first embodiment, the water mixing valve 6 in this embodiment can not only adjust the ratio of the connecting area between the cold water flow channel 1 and the water mixing flow channel 3 and the connecting area between the hot water flow channel 2 and the water mixing flow channel 3, thereby adjusting the water temperature of the water mixing flow channel 3, but also adjust the flow rate of the water mixing flow channel 3. That is, the water mixing valve 6 in this embodiment has the functions of the water mixing valve 6 and the first flow regulating valve 7 in the first embodiment, which is equivalent to the integrated body of the water mixing valve 6 and the first flow regulating valve 7 in the first embodiment.

[0099] In this embodiment, the water mixing valve 6 includes a first fixed valve disc 601, a first movable valve disc 602, and a second movable valve disc 603. The first movable valve disc 602 is abutted against the first fixed valve disc 601 in a manner that allows it to pivot around a pivot axis c, and the second movable valve disc 603 is abutted against the first movable valve disc 602 in a manner that allows it to pivot around a pivot axis c. That is, the first movable valve disc 602 is arranged abutting against the first fixed valve disc 601, and the first movable valve disc 602 can pivot relative to the first fixed valve disc 601 around the pivot axis c; the second movable valve disc 603 is arranged abutting against the first movable valve disc 602, and the second movable valve disc 603 can pivot relative to the first movable valve disc 602 around the pivot axis c. The first fixed valve plate 601 has a first surface 601a abutting against the first movable valve plate 602 . The first movable valve plate 602 has a second surface 602a abutting against the first fixed valve plate 601 and a third surface 602b abutting against the second movable valve plate 603 . The second movable valve plate 603 has a fourth surface 603a abutting against the first movable valve plate 602 .

[0100] The first fixed valve disc 601 is provided with a first cold water hole 6011, a first hot water hole 6012 and a first water mixing hole 6013 extending to the first surface 601a. ​​The first movable valve disc 602 is provided with a second water mixing hole 6021 and a third water mixing hole 6022 extending from the second surface 602a to the third surface 602b. The fourth surface 603a of the second movable valve disc 603 is provided with a first water mixing groove 6031 recessed inwardly. The first cold water hole 6011 and the first hot water hole 6012 of the first fixed valve disc 601 are communicated with the cold water flow channel 1 and the hot water flow channel 2 respectively, and the first water mixing hole 6013 on the first fixed valve disc 601 is communicated with the water mixing flow channel 3.

[0101] Please also read Fig. 9 , Fig.10 and Fig.11 It is not difficult to understand that the water mixing valve 6 in this embodiment has the following functions:

[0102] When the first movable valve disc 602 pivots around the pivot axis c to be in a first relative position with the first fixed valve disc 601, the first water mixing hole 6013 is connected with the third water mixing hole 6022, the first cold water hole 6011 is connected with the second water mixing hole 6021, the first hot water hole 6012 is blocked by the first movable valve disc 602, the water of the cold water flow channel 1 can flow to the second water mixing hole 6021, and the water of the hot water flow channel 2 is blocked by the second surface 602a of the first movable valve disc 602. Moreover, in the first relative position, the size of the communication area between the second water mixing hole 6021 and the first cold water hole 6011 can be adjusted by pivoting the first movable valve disc 602.

[0103] When the first movable valve disc 602 and the first fixed valve disc 601 are in the second relative position, the first water mixing hole 6013 is connected with the third water mixing hole 6022, the first hot water hole 6012 is connected with the second water mixing hole 6021, the first cold water hole 6011 is blocked by the first movable valve disc 602, the water of the hot water flow channel 2 can flow to the second water mixing hole 6021, and the water of the cold water flow channel 1 is blocked by the second surface 602a of the first movable valve disc 602. Moreover, in the second relative position, the size of the communication area between the second water mixing hole 6021 and the first hot water hole 6012 can be adjusted by pivoting the first movable valve disc 602.

[0104] When the first movable valve disc 602 and the first fixed valve disc 601 are in the third relative position, the first water mixing hole 6013 is connected to the third water mixing hole 6022, the first cold water hole 6011 and the first hot water hole 6012 are both connected to the second water mixing hole 6021, and the water in the cold water flow channel 1 and the hot water flow channel 2 can flow to the second water mixing hole 6021. Moreover, in the third relative position, the ratio of the connecting area of ​​the first cold water hole 6011 and the second water mixing hole 6021 to the connecting area of ​​the first hot water hole 6012 and the second water mixing hole 6021 can also be adjusted by pivoting the first movable valve disc 602.

[0105] When the first movable valve plate 602 and the first fixed valve plate 601 are in the fourth relative position, the first mixing water hole 6013 is connected to the third mixing water hole 6022, the first cold water hole 6011 and the first hot water hole 6012 are both blocked by the first movable valve plate 602, and the water in the cold water channel 1 and the hot water channel 2 are both blocked by the second surface 602a of the first movable valve plate 602 and cannot enter the mixing water channel 3.

[0106] When the second movable valve disc 603 and the first movable valve disc 602 are at the fifth relative position, the second water mixing hole 6021 and the third water mixing hole 6022 are both connected to the first water mixing groove 6031. If the first movable valve disc 602 and the first fixed valve disc 601 are at the first relative position, the second relative position or the third relative position, the cold water and / or hot water flowing into the second water mixing hole 6021 will flow to the water mixing channel 3 through the first water mixing groove 6031, the third water mixing hole 6022 and the first water mixing hole 6013 in sequence. If the first movable valve disc 602 and the first fixed valve disc 601 are at the fourth relative position, although the second water mixing hole 6021, the first water mixing groove 6031, the third water mixing hole 6022, and the first water mixing hole 6013 are connected in sequence, the water in the cold water flow channel 1 and the hot water flow channel 2 is blocked by the first movable valve disc 602 and cannot enter the second water mixing hole 6021, so no water will flow to the water mixing flow channel 3. In addition, in the fifth relative position, the communication area between the first water mixing groove 6031 and the third water mixing hole 6022 can be adjusted by pivoting the second movable valve disc 603, and the flow rate of the water mixing flow channel 3 can be adjusted by this means.

[0107] When the second movable valve disc 603 and the first movable valve disc 602 are in the sixth relative position, the third water mixing hole 6022 is blocked by the second movable valve disc 603. Even if the first movable valve disc 602 and the first fixed valve disc 601 are in the first relative position, the second relative position or the third relative position, and the second water mixing hole 6021 is connected to the first water mixing groove 6031, because the third water mixing hole 6022 is blocked by the second movable valve disc 603, the water flowing to the first water mixing groove 6031 is blocked by the third surface 602b of the first movable valve disc 602 and cannot flow to the third water mixing hole 6022. It can be seen that when the second movable valve disc 603 and the first movable valve disc 602 are in the sixth relative position, the water in the cold water flow channel 1 and the hot water flow channel 2 will not enter the mixed water flow channel 3, let alone reach the water terminal 22.

[0108] As can be seen from the above description, the user can not only cut off the water path to the mixed water flow channel 3 by pivoting the first movable valve disc 602 to adjust the relative position of the first movable valve disc 602 and the first fixed valve disc 601, but also cut off the water path to the mixed water flow channel 3 by pivoting the second movable valve disc 603 to adjust the relative position of the second movable valve disc 603 and the first fixed valve disc 601. In other embodiments, the first movable valve disc 602 does not have the fourth relative position with the first fixed valve disc 601. In still other embodiments, the second movable valve disc 603 does not have the sixth relative position with the first movable valve disc 602.

[0109] Obviously, based on the above technical solution, those skilled in the art are fully capable of selecting the specific structure and specific position of the first cold water hole 6011, the first hot water hole 6012 and the first mixing water hole 6013 on the first fixed valve plate 601, the second mixing water hole 6021 and the third mixing water hole 6022 on the first movable valve plate 602, and the first mixing water groove 6031 on the second movable plate to achieve the above functions. Figure 9-Figure 17 Specifically in this embodiment, the following design is adopted:

[0110] The first cold water hole 6011, the first hot water hole 6012, the second water mixing hole 6021, the third water mixing hole 6022 and the first water mixing groove 6031 are all arranged on the same cylindrical surface p (i.e., the first cylindrical surface passes through the aforementioned holes and grooves), and the axis of the cylindrical surface p coincides with the aforementioned pivot axis c. Specifically, the first orifice 6011a of the first cold water hole 6011, the second orifice 6012a of the first hot water hole 6012 on the first surface 601a, the third orifice 6021a of the second water mixing hole 6021 on the second surface 602a and the fourth orifice 6021b on the third surface 602b, the fifth orifice 6022a of the third water mixing hole 6022 on the third surface 602b, and the first notch 6031a of the first water mixing groove 6031 on the fourth surface 603a are arranged on the aforementioned cylindrical surface p.

[0111] Further, the first opening 6011a of the first cold water hole 6011 on the first surface 601a, the second opening 6012a of the first hot water hole 6012 on the first surface 601a, the third opening 6021a of the second water mixing hole 6021 on the second surface 602a and the fourth opening 6021b of the third surface 602b, and the fifth opening 6022a of the third water mixing hole 6022 on the third surface 602b are all arc-shaped openings around the pivot axis c. The first notch 6031a of the first water mixing groove 6031 on the fourth surface 603a is an arc-shaped notch around the pivot axis c.

[0112] The first orifice 6011a and the second orifice 6012a are arranged at intervals in the circumferential direction of the cylindrical surface p, and the circumferential length of the third orifice 6021a is greater than the minimum circumferential distance between the first orifice 6011a and the second orifice 6012a. Thus, the second water mixing hole 6021 can be connected to the first cold water hole 6011 and the first hot water hole 6012 at the same time or selectively. Further, the circumferential length of the third orifice 6021a is not less than the maximum circumferential distance between the first orifice 6011a and the second orifice 6012a, so that the second water mixing hole 6021 can be connected to the first cold water hole 6011 and the first hot water hole 6012 at the same time - the entire area of ​​the first orifice 6011a and the second orifice 6012a can be connected to the third orifice 6021a. The "maximum circumferential distance" refers to the maximum distance between the first orifice 6011a and the second orifice 6012a in the circumferential direction of the cylindrical surface p, specifically, the circumferential distance between the first end 6011a1 of the first orifice 6011a away from the second orifice 6012a and the second end 6012a1 of the second orifice 6012a away from the first orifice 6011a, that is, the circumferential distance between the two far ends of the first orifice and the second orifice. Correspondingly, the "minimum circumferential distance" refers to the circumferential distance between the third end 6011a2 of the first orifice 6011a close to the second orifice 6012a and the fourth end 6012a2 of the second orifice 6012a close to the first orifice 6011a, that is, the circumferential distance between the two close ends of the first orifice and the second orifice.

[0113] In this embodiment, the sum of the arc occupied by the maximum circumferential distance between the first orifice 6011a and the second orifice 6012a (i.e., the distance between the first end 6011a1 and the second end 6012a1 mentioned above) on the cylindrical surface p plus the arc occupied by the third orifice 6021a on the above-mentioned cylindrical surface p is less than 360°, so that when the first movable valve plate 602 pivots to the corresponding position (such as the fourth relative position mentioned above), the second mixing water hole 6021 can be disconnected from the first cold water hole 6011 and the first hot water hole 6012 at the same time.

[0114] In this embodiment, the sixth orifice 6013a of the first water mixing hole 6013 on the first surface 601a and the seventh orifice 6022b of the third water mixing hole 6022 on the second surface 602a are both located on the aforementioned pivot axis c. Therefore, when the first movable valve plate 602 pivots to any angle around the pivot axis c, the third water mixing hole 6022 always remains connected to the first water mixing hole 6013. The orifices at both ends of the third water mixing hole 6022, i.e., the fifth orifice 6022a on the third surface 602b and the seventh orifice 6022b on the second surface 602a, are staggered in the extending direction of the pivot axis c, as shown in FIG. Fig.13 .

[0115] To facilitate processing, in this embodiment, the first cold water hole 6011, the first hot water hole 6012, the first mixing water hole 6013 and the third mixing water hole 6022 are all designed to be arc-shaped through holes parallel to the pivot axis c and with uniform cross-sections, and the first mixing water groove 6031 is designed to be an arc-shaped groove with a groove depth parallel to the pivot axis c and with uniform cross-sections.

[0116] The sum of the arc occupied by the first notch 6031a on the cylindrical surface p and the arc occupied by the fourth orifice 6021b on the cylindrical surface p is greater than 360 degrees, so that when the second movable valve plate 603 pivots to any position around the pivot axis c, the second water mixing hole 6021 and the first water mixing groove 6031 are always connected. The sum of the arc occupied by the fifth orifice 6022a of the third water mixing hole 6022 on the third surface 602b and the arc occupied by the first notch 6031a on the cylindrical surface p is less than 360 degrees, so that the first water mixing groove 6031 and the third water mixing hole 6022 can be selectively connected or disconnected by rotating the second movable valve plate 603.

[0117] To enable the second water mixing hole 6021 to communicate with the entire area of ​​the first water mixing tank 6031, that is, to enable the entire area of ​​the fourth orifice 6021b to be connected to the first notch 6031a of the first water mixing tank 6031, in this embodiment, the circumferential length of the first notch 6031a is set to be greater than the circumferential length of the fourth orifice 6021b.

[0118] In this embodiment, a rotating shaft 604 coaxially arranged with the pivot axis c is fixed to the first movable valve plate 602, and a rotating sleeve 605 coaxially arranged with the pivot axis c is fixed to the second movable valve plate 603. The rotating shaft 604 is pivotally arranged in the rotating sleeve 605, and the rotating shaft 604 has an extended end extending out of the rotating sleeve 605. The first motor 16 is connected to the rotating sleeve 605 through the first gear assembly to drive the rotating sleeve 605 to pivot, thereby driving the second movable valve plate 603 to pivot. The second motor 16 is connected to the rotating shaft 604 through the second gear assembly to drive the rotating shaft 604 to pivot, thereby driving the first movable valve plate 602 to pivot. Both the first motor 16 and the second motor 16 are connected to the controller 10 by signal.

[0119] Specifically, the first gear assembly includes two gears 17 meshing with each other, one of which is coaxially fixed to the rotating sleeve 605, and the other gear 17 is coaxially fixed to the output shaft of the first motor 16. The second gear assembly also includes two gears 17 meshing with each other, one of which is coaxially fixed to the rotating shaft 604, and the other gear 17 is coaxially fixed to the output shaft of the second motor 16.

[0120] In this embodiment, the water mixing valve 6 also has a valve housing 606, which is a cylindrical structure with a bottom and one end closed and the other end open. The first fixed valve plate 601, the first movable valve plate 602, and the second movable valve plate 603 are all accommodated in the valve housing 606, and the first fixed valve plate is fixed to the valve housing. The closed end of the valve housing 606, that is, the "bottom" of the valve housing 606, is provided with a second cold water hole 6061, a second hot water hole 6062, and a fourth water mixing hole 6063, which are respectively connected to the first cold water hole 6011, the first hot water hole 6012, and the first water mixing hole 6013. The openings of the second cold water hole 6061, the second hot water hole 6062, and the fourth water mixing hole 6063 on the outer surface of the closed end of the valve housing 606 are circular openings, and the three circular openings are separated by a large distance to facilitate the connection with the external water pipe. The shapes and positions of the openings of the second cold water hole 6061, the second hot water hole 6062 and the fourth water mixing hole 6063 on the inner side surface of the closed end of the valve housing 606 correspond to the shapes and positions of the first cold water hole 6011, the first hot water hole 6012 and the first water mixing hole 6013, so as to better achieve the docking of the second cold water hole 6061 with the first cold water hole 6011, the second hot water hole 6062 with the first hot water hole 6012, and the fourth water mixing hole 6063 with the first water mixing hole 6013. The openings of the second cold water hole 6061 and the second hot water hole 6062 on both sides of the closed end of the valve housing are staggered, such as Fig.10 , Fig.11 and Fig.14 shown.

[0121] In order to improve the sealing performance between the holes on the valve housing 606 and the holes on the first fixed valve plate 601 , a sealing ring 608 is sandwiched between the bottom of the valve housing 606 and the first fixed valve plate 601 in this embodiment.

[0122] The opening end of the valve housing 606 is fixedly engaged with a valve cover 607 that seals the opening. The first motor 16 and the second motor 16 are both installed on the inner side of the valve cover 607 .

[0123] <Example 5>

[0124] Fig.18 A fifth specific waterway assembly is shown, Fig.19 Shows that there is Fig.18 A water system of the water channel assembly. The specific structure of the water channel assembly and the water system in this embodiment is similar to that of the first embodiment, and can be understood by referring to the description of the first embodiment. The main differences are as follows:

[0125] The water channel assembly of this embodiment is also equipped with a return water channel 4 connected to the hot water channel 2. A return water valve 18 is provided on the communication path between the return water channel 4 and the hot water channel 2. The return water valve 18 is a solenoid valve and is in communication with the controller 10. The controller 10 is used to control the return water valve 18 to open or close, thereby controlling the return water channel 4 to be connected to or disconnected from the hot water channel 2.

[0126] The water channel assembly of this embodiment is equipped with a return water channel 4 connected to the hot water channel 2. When the water temperature of the hot water channel 2 is low, the low-temperature water in the hot water channel can be quickly led out to allow the hot water that has not lost temperature to flow in from the upstream; and when the water temperature of the hot water channel 2 is sufficient, the return water channel 4 is isolated from the hot water channel 2. The controller 10 can control the return water valve 18 to open or close according to the first water temperature, the target temperature and the target flow rate, thereby controlling the connection or isolation of the return water channel 4 with the hot water channel 2.

[0127] In another embodiment, the water use system is further configured with a hot water tank and a fourth water temperature sensor. The hot water tank is connected to the hot water flow channel 2 to provide a hot water source to the hot water flow channel 2, and the fourth water temperature sensor is connected to the hot water tank to obtain the fourth water temperature of the hot water tank. The hot water in the hot water tank can be provided by a solar water heater. The fourth water temperature sensor is connected to the controller 10 for communication. In this way, the controller 10 can also control the return valve 18 to open or close according to the first water temperature (i.e., the water temperature of the hot water flow channel 2) and the fourth water temperature (i.e., the water temperature of the hot water tank). For example, when the first water temperature is less than or equal to the fourth water temperature, it means that there is no sufficient water temperature upstream and there is no need for return water. Therefore, the return valve 18 should be controlled to close at this time to disconnect the connection between the return water flow channel 4 and the hot water flow channel 2.

[0128] <Example 6: Method of using the water channel assembly>

[0129] This embodiment provides a method for using a water channel assembly, which can be applied to the water channel assembly of any of the above embodiments. For those skilled in the art, as long as the water channel assembly includes a cold water channel 1, a hot water channel 2, a mixed water channel 3 connected to the cold water channel 1 and the hot water channel 2, respectively, a water temperature setting element 8, and a first electric heater 5 connected to the hot water channel 2, it has a structural basis for implementing the water outlet method of this embodiment.

[0130] The water outlet method of this embodiment includes:

[0131] S101 , obtaining the target water temperature of the mixed water flow channel 3 and the current first water temperature of the hot water flow channel 2 .

[0132] For example, in any one of the above-mentioned embodiments one to five, the water channel component receives an operation acting on the water temperature setting element 8, determines the target water temperature of the mixed water channel 3 according to the operation, and obtains the current first water temperature of the hot water channel 2 from the first water temperature sensor 11.

[0133] In some embodiments, the target water temperature of the mixed water channel 3 and the current first water temperature of the hot water channel 2 can be periodically obtained within a preset time or in response to user operations. Once the target water temperature and the first water temperature meet the following corresponding conditions, the water channel component performs the following corresponding actions.

[0134] In some embodiments, the water channel assembly is further configured with a water supply switch. When the user turns on the water supply switch, the water channel assembly responds to the turning-on operation, obtains the target water temperature of the mixed water flow channel 3 from the water temperature setting element 8, and obtains the current first water temperature of the hot water flow channel 2 from the first water temperature sensor 11. It can be understood that the flow setting element 9 is a special water supply switch with a flow setting function. When the user operates the flow setting element 9 and sets a non-zero flow, the water supply switch is turned on, indicating that water supply is required. At this time, the water channel assembly obtains the target water temperature of the mixed water flow channel 3 from the water temperature setting element 8, and obtains the current first water temperature of the hot water flow channel 2 from the first water temperature sensor 11. Usually, before turning on the water supply switch, the user first operates the water temperature setting element 8 to set the target water temperature of the mixed water flow channel, and then turns on the water supply switch; if the user does not operate the water temperature setting element 8 to set the water temperature before turning on the water supply switch, the water channel assembly can obtain the previously set water temperature from the water temperature setting element 8 as the target water temperature.

[0135] S102, if the first water temperature is less than the target water temperature, the cold water channel 1 is controlled to be isolated from the mixed water channel 3, the first electric heater 5 is controlled to heat the hot water channel 2 at a first power, and the hot water channel 2 is controlled to supply water to the mixed water channel 3 at a first flow rate, wherein the first flow rate is determined based on the first power and the first temperature difference, and the first temperature difference is the temperature difference between the target water temperature and the first water temperature.

[0136] It can be understood that when the first water temperature is less than the target water temperature, it means that the ideal water temperature of the mixed water channel 3 and the ideal outlet water temperature of the water terminal 22 are higher than the current actual water temperature of the hot water channel 2. Even if the cold water channel 1 is closed and only the water of the hot water channel 2 is supplied to the mixed water channel 3 and the water terminal 22, the user's demand for water temperature cannot be met. Therefore, the hot water channel 2 needs to be heated to raise its water temperature to the target water temperature.

[0137] The first power is the heating power of the first electric heater 5 on the hot water flow channel 2, which can be a manually set power, or a system default or a power determined according to relevant data. For the first electric heater 5 with non-adjustable power, the first power is the inherent power of the first electric heater 5 itself, usually the rated power of the first electric heater 5, in which case the maximum power and the minimum power of the first electric heater 5 are the same; for the first electric heater 5 with adjustable power, the first power can be the power selected by the user, or it can be the power automatically determined by the water channel component in response to relevant data.

[0138] The power of the first electric heater 5 used to heat the hot water flow channel 2 is limited and usually fixed and unadjustable. In order to heat the low first water temperature to a high target water temperature by using a limited or even unadjustable power, while ensuring that the hot water flow channel 2 is maintained at the target water temperature to continuously supply water to the mixed water flow channel 3, it is necessary to make corresponding adjustments to the flow rate of the hot water flow channel 2 (that is, the water supply flow rate to the mixed water flow channel 3). Therefore, the present embodiment first determines the first flow rate of the hot water flow channel 2 according to the temperature difference between the target water temperature and the first water temperature (that is, the first temperature difference) and the first power, and then controls the hot water flow channel 2 to supply water to the hot water flow channel 2 at the determined first flow rate, which helps to make the water temperature of the hot water flow channel 2 flowing into the mixed water flow channel 3 equal to the target water temperature, and helps the water outlet temperature of the water terminal 22 to be close to the ideal water outlet temperature.

[0139] Those skilled in the art will understand that the first flow rate determined based on the first power and the first temperature difference is the flow rate at which the water temperature of the hot water channel 2 can be maintained at (including substantially maintained at) the target water temperature when the first electric heater 5 heats the hot water channel 2 at the first power.

[0140] For example, in the water channel assemblies of the above-mentioned embodiments 1 and 2, when the controller 10 determines that the first water temperature it obtains is less than the target water temperature, the controller 10 controls the mixing valve 6 to operate in response to the determination, so as to isolate the cold water channel 1 from the mixing water channel 3, and only retain the connection between the hot water channel 2 and the mixing water channel 3, and controls the first electric heater 5 to heat the hot water channel 2 with its rated power, and at the same time controls the first flow regulating valve 7 to control the opening degree so that the hot water channel 2 supplies water to the mixing water channel 3 at the first flow rate determined above according to the rated power and the temperature difference between the target water temperature and the first water temperature (the first flow rate is the flow rate at which the water temperature of the hot water channel 2 can be maintained at the target water temperature when the first electric heater 5 heats the hot water channel 2 with its rated power).

[0141] For another example, in the water channel assembly of the third embodiment, when the controller 10 determines that the first water temperature it obtains is less than the target water temperature, the controller 10 controls the second flow regulating valve 14 to operate in response to the determination so as to isolate the cold water channel 1 and the mixed water channel 3, leaving only the hot water channel 2 connected to the mixed water channel 3, controls the first electric heater 5 to heat the hot water channel 2, and controls the opening of the third flow regulating valve 15 so that the hot water channel 2 supplies water to the mixed water channel 3 at the determined first flow rate.

[0142] In some other embodiments, the water supply method further comprises:

[0143] Get the current second water temperature of cold water channel 1;

[0144] For example, in the first embodiment, the current second water temperature of the cold water channel 1 can be obtained through the second water temperature sensor 12, and the "obtaining the current second water temperature of the cold water channel 1" can be performed when the target water temperature of the mixed water channel 3 and the current first water temperature of the hot water channel 2 are obtained in S101.

[0145] If the first water temperature is greater than the target water temperature, and the second water temperature is less than the target water temperature, the mixed water channel 3 is kept connected with the cold water channel 1 and the hot water channel 2, the hot water channel 2 is not heated, the ratio of the second temperature difference to the third temperature difference is determined as the flow ratio of the cold water channel 1 to the hot water channel 2, and the cold water channel 1 and the hot water channel 2 are controlled to supply water to the mixed water channel 3 according to the determined flow ratio, wherein the second temperature difference is the temperature difference between the first water temperature and the target water temperature, and the third temperature difference is the temperature difference between the target water temperature and the second water temperature. The purpose of this strategy is also to make the water temperature of the mixed water channel 3 equal to (including substantially equal to) the target water temperature.

[0146] In some other embodiments, if the first water temperature = the target water temperature, the cold water channel 1 is isolated from the mixed water channel 3, and only the connection between the mixed water channel 3 and the hot water channel 2 is retained. The hot water channel 2 is not heated, and the hot water channel 2 is controlled to supply water directly to the mixed water channel 3.

[0147] In actual applications, users usually have corresponding requirements for the water flow rate of the water terminal 22. For example, users want to obtain a small water flow rate when making tea, and want to obtain a large water flow rate when washing dishes. Therefore, in other embodiments, the water supply method also includes: obtaining a target flow rate of the mixed water flow channel 3. Furthermore, "the first flow rate is determined according to the first power and the first temperature difference" in S102 specifically includes: the first flow rate is determined according to the first power, the first temperature difference and the target flow rate, wherein the first flow rate ≤ the target flow rate.

[0148] Under such a water supply strategy, the target flow rate of the mixed water channel 3 is also used as one of the parameters for determining the water flow rate of the hot water channel 2. Specifically, the water flow rate of the hot water channel 2 is controlled to be no greater than the target flow rate, thereby avoiding the problem of poor user experience caused by the actual water supply flow rate from the hot water channel 2 to the mixed water channel 3 exceeding the required flow rate, such as splashing water when making milk. Although this water supply strategy overcomes the aforementioned problems, it has the following defect: when there is a special situation where the target flow rate is small, the difference between the first water temperature and the target flow rate is small, and the heating power of the first heater with fixed power is large, only this water supply strategy is used, and the water temperature and flow requirements of the hot water channel 2 cannot be met at the same time. It can be seen that such a water supply strategy is not applicable to the aforementioned special situations. In this regard, in some embodiments, the control strategy can be adopted only when it is determined that the special situation does not occur. When the special situation occurs and the first water temperature is less than the target water temperature, the cold water channel 1 and the hot water channel 2 are connected to the mixed water channel 3, and the hot water channel 2 is heated at the third power. The first flow rate of the hot water channel 2 and the second flow rate of the cold water channel 1 are determined according to the first temperature difference, the third power, the target water temperature and the target flow rate, and the hot water channel 2 and the cold water channel 1 are controlled to supply water to the mixed water channel 3 at the first flow rate and the second flow rate, respectively, wherein the sum of the first flow rate and the second flow rate is less than or equal to the target flow rate. This is further explained later.

[0149] There are many ways to “obtain the target flow rate of the mixed water channel 3 ”. For example, in any one of the above embodiments 1 to 5, the controller 10 can determine the target flow rate based on the operation information acting on the flow setting element 9 .

[0150] If the first electric heater 5 in the first to fifth embodiments is an electric heater with adjustable power, the hot water flow channel 2 can be heated with the required power according to the demand. Therefore, in other embodiments, before S102 "controlling the first electric heater 5 to heat the hot water flow channel 2 with the first power", the water supply method further includes: determining the first power according to the first temperature difference and the target flow rate. That is, the first power is determined according to the first temperature difference and the target flow rate, rather than being set arbitrarily.

[0151] It can be understood that in order to ensure that the mixed water channel 3 can supply water to the water terminal 22 at the target water temperature and supply water to the water terminal 22 at the target flow rate as much as possible, the larger the first temperature difference and the target flow rate, the larger the first power should be; if the first temperature difference and the target flow rate are smaller, the first power should be smaller. Based on this, in some embodiments, the above-mentioned "first power is determined according to the first temperature difference and the target flow rate" specifically includes:

[0152] If the product of the first temperature difference and the target flow rate is greater than the first preset product threshold, the first power is determined as the first preset power value;

[0153] If the product of the first temperature difference and the target flow rate is less than the second preset product threshold, the first power is determined as the second preset power value, wherein the second preset product threshold is less than the first preset product threshold;

[0154] If the second preset product threshold ≤ the product of the first temperature difference and the target flow ≤ the first preset product threshold, the first power is determined as the third preset power value, wherein the first preset power value>the third preset power value>the second preset power value.

[0155] The larger the product of the first temperature difference and the target flow rate, the greater the heating power of the hot water flow channel 2; the smaller the product of the first temperature difference and the target flow rate, the smaller the heating power of the hot water flow channel 2. The purpose is to simultaneously meet the user's needs for water temperature and water flow rate: on the premise of ensuring that the actual water outlet temperature is (including "basically") the ideal water outlet temperature, the actual water outlet flow rate is also made as close to the ideal water outlet flow rate as possible.

[0156] In some embodiments, the first preset power value is the maximum power of the first electric heater 7, that is, when the product of the first temperature difference and the target flow rate is greater than the larger first preset product threshold, the first electric heater 7 is controlled to operate at full power. The purpose is to make the actual flow rate in the mixed water channel as close to the target flow rate as possible while ensuring the mixed water temperature.

[0157] In some embodiments, the water channel assembly is further configured with a return water channel 4 connected to the hot water channel 2, so as to lead out the cooling water in the hot water channel 2, so that the uncooled hot water in the upstream can be quickly replenished into the hot water channel 2, such as the above-mentioned embodiment 5. In these embodiments, "obtaining the target water temperature of the mixed water channel 3 and the current first water temperature of the hot water channel 2" in S101 may further include: obtaining the target water temperature of the mixed water channel 3, the current first water temperature of the hot water channel 2, and the target flow rate of the mixed water channel 3. Not only the target water temperature of the mixed water channel 3 and the water temperature of the hot water channel 2 are obtained, but also the target flow rate temperature of the mixed water channel 3 is obtained. Moreover, "If the first water temperature is lower than the target water temperature, the cold water channel 1 is controlled to be isolated from the mixed water channel 3, the first electric heater 5 is controlled to heat the hot water channel 2 with a first power, and the hot water channel 2 is controlled to supply water to the mixed water channel 3 with a first flow rate" in S102 is further optimized to include: if the first water temperature is lower than the target water temperature, and the product of the first temperature difference and the target flow rate is lower than the third preset product threshold, the cold water channel 1 is controlled to be isolated from the mixed water channel 3, the first electric heater 5 is controlled to heat the hot water channel 2 with a first power, and the hot water channel 2 is controlled to supply water to the mixed water channel 3 with a first flow rate. That is, before controlling the cold water channel 1 and the mixed water channel 3 to be cut off and heating the hot water channel 2, it is also necessary to determine whether the product of the first temperature difference and the target flow rate is less than the third preset product threshold. Only after determining that the product of the first temperature difference and the target flow rate is less than the third preset product threshold, the cold water channel 1 and the mixed water channel 3 are controlled to be cut off, the first electric heater 5 is controlled to heat the hot water channel 2 with the first power, and the hot water channel 2 is controlled to supply water to the mixed water channel 3 with the first flow rate. Otherwise, even if it is determined that the first water temperature is less than the target water temperature, if it cannot be determined that the product of the first temperature difference and the target flow rate is less than the third preset product threshold, then the response action described in S102 will no longer be executed, but the following action can be executed: control the cold water channel 1 and the hot water channel 2 to be cut off from the mixed water channel 3, and control the hot water channel 2 to supply water to the return water channel 4. That is, if the first water temperature is less than the target water temperature, and the product of the first temperature difference and the target flow rate is greater than the third preset product threshold, the cold water channel 1 and the hot water channel 2 are controlled to be isolated from the mixed water channel 3, and the hot water channel 2 is controlled to supply water to the return water channel 4.

[0158] It can be understood that the greater the product of the first temperature difference and the target flow rate, the greater the heating power required to heat and maintain the water temperature of the hot water flow channel 2 at the target water temperature, and supply water to the mixed water flow channel 3 at a flow rate as close to the target flow rate as possible. The power of the first electric heater 5 is limited, or even fixed. When the product of the first temperature difference and the target flow rate is greater than the set larger third preset product threshold, if the water temperature of the hot water flow channel 2 is to be maintained at the target water temperature, then the flow rate of the hot water flow channel 2 must be much lower than the target flow rate, and it is difficult to meet the user's demand for water flow rate. Therefore, in the embodiment of the previous paragraph, the water supply method can also include: if the first water temperature is less than the target water temperature, and the product of the first temperature difference and the target flow rate is greater than the third preset product threshold, then the cold water flow channel 1 and the hot water flow channel 2 are controlled to be isolated from the mixed water flow channel 3, and the hot water flow channel 2 is controlled to supply water to the return water flow channel 4. This allows the cooling water that has lost temperature in the hot water flow channel 2 to be quickly drawn out, and the hot water that has not lost temperature upstream to be quickly replenished to the hot water flow channel 2, especially the water outlet end of the hot water flow channel 2, thereby quickly increasing the water temperature of the hot water flow channel 2 in a short period of time. This helps to ensure that the water outlet flow rate of the water terminal 22 is as close to the ideal flow rate as possible while ensuring that the water outlet temperature of the water terminal 22 is close to the ideal temperature.

[0159] The smaller the product of the first temperature difference and the target flow rate, the less heating power is required to heat and maintain the water temperature of the hot water flow channel 2 at the target water temperature, and supply water to the mixed water flow channel 3 at a flow rate as close to the target flow rate as possible. If the first water temperature is less than the target water temperature, and the product of the first temperature difference and the target flow rate is less than the third preset product threshold, it means that it is not necessary to consume a lot of heating power (for example, the upper limit heating power that the first electric heater 5 can provide) to at least basically meet the water temperature and water flow requirements. At this time, there is no need to return water, but to control the cold water flow channel 1 to be isolated from the mixed water flow channel 3, control the first electric heater 5 to heat the hot water flow channel 2 at the first power, and control the hot water flow channel 2 to supply water to the mixed water flow channel 3 at the first flow rate.

[0160] In other embodiments, the water supply method further includes: obtaining a target flow rate of the mixed water flow channel 3. And "if the first water temperature is less than the target water temperature, the cold water flow channel 1 is controlled to be isolated from the mixed water flow channel 3, the first electric heater 5 is controlled to heat the hot water flow channel 2 at the first power, and the hot water flow channel 2 is controlled to supply water to the mixed water flow channel 3 at the first flow rate" in S102 is further optimized to include:

[0161] If the first water temperature is less than the target water temperature, and Then the cold water flow channel 1 is controlled to be isolated from the mixed water flow channel 3, the maximum power of the first electric heater 5 is determined to be the first power, the first electric heater 5 is controlled to heat the hot water flow channel 2 at the determined first power, and the hot water flow channel 2 is controlled to supply water to the mixed water flow channel at the first flow rate; wherein K is the compensation coefficient, P max is the maximum power of the first electric heater, T 0is the target water temperature, S 0 is the target flow rate, T 1 The first water temperature.

[0162] Understandably, when When the first electric heater 5 is at its maximum power P max Heat the hot water flow channel 2, and keep the water temperature of the hot water flow channel 2 at the target water temperature T 0 In the case of 0 Therefore, the cold water channel 1 should be isolated from the mixed water channel 3 so that the cold water channel 1 with a lower water temperature does not supply water to the mixed water channel 3, and the first electric heater 5 is controlled to provide the maximum power P max To heat the hot water flow channel 2 with relatively high water temperature, so that the flow rate of the mixed water flow channel 3 is closer to the target flow rate S 0 .

[0163] In another embodiment, the heating power of the first electric heater 5 is adjustable and can be adjusted steplessly between the minimum power and the maximum power it can provide. The "if the first water temperature is less than the target water temperature, the cold water flow channel 1 is controlled to be isolated from the mixed water flow channel 3, the first electric heater 5 is controlled to heat the hot water flow channel 2 with the first power, and the hot water flow channel 2 is controlled to supply water to the mixed water flow channel 3 with the first flow rate" in S102 can be further optimized to include:

[0164] If the first water temperature is less than the target water temperature, and and Then control the cold water channel 1 and the mixed water channel 3 to separate, and K·S 0 ·(T 0 -T 1 ) is determined as the first power, and the first electric heater 5 is controlled to operate at the first power determined above (ie, K·S 0 ·(T 0 -T 1 )) heats the hot water flow channel 2, and controls the hot water flow channel 2 to supply water to the mixed water flow channel 3 at a first flow rate, wherein P min is the minimum power of the first electric heater.

[0165] Understandably, when and When , it means that the first electric heater 5 is capable of heating the water temperature of the hot water flow channel 2 to the target water temperature T 0 , and let the hot water flow channel 2 flow at the target flow rate S 0 Water is supplied to the mixed water channel 3, and if the first electric heater 5 is at the minimum power P min Therefore, the cold water channel 1 and the mixed water channel 2 can be isolated at this time, and the first electric heater 5 can be controlled to have a power value of K·S0 ·(T 0 -T 1 ) is used to heat the hot water channel 2, so that the water temperature of the mixed water channel 3 is the target water temperature T 0 , flow rate is the target flow rate S 0 .

[0166] In another embodiment, although the heating power of the first electric heater 5 is adjustable, it cannot be adjusted continuously and steplessly, but has a gear, discontinuous and stepped adjustment, and the water supply method further includes:

[0167] Obtaining the target flow rate of the mixed water flow channel 3 and the current second water temperature of the cold water flow channel 1;

[0168] If the first water temperature is less than the target water temperature, and then determining the third power of the first electric heater, and determining the second flow rate of the hot water flow channel 2 and the third flow rate of the cold water flow channel 1 according to the third power, the target water temperature, the target flow rate, the first water temperature and the second water temperature, controlling the first electric heater to heat the hot water flow channel at the determined third power, controlling the hot water flow channel to supply water to the mixed water flow channel 3 at the determined second flow rate, and controlling the cold water flow channel to supply water to the mixed water flow channel 3 at the determined third flow rate;

[0169] The aforementioned “determining the third power of the first electric heater” includes:

[0170] The third power is determined as P max ≥P 3 ≥K·S 0 ·(T 0 -T 1 );

[0171] The aforementioned “determining the second flow rate of the hot water flow channel and the third flow rate of the cold water flow channel according to the first power, the target water temperature, the target flow rate, the first water temperature and the second water temperature” includes:

[0172] The second flow rate and the third flow rate are calculated by the following relationship:

[0173]

[0174] K is the compensation coefficient, P 3 is the third power, T 0 is the target water temperature, S 0 is the target flow rate, T 1 is the first water temperature, T 2 is the second water temperature, S 2 is the second flow rate, S 3 The third flow rate.

[0175] Understandably, when When the first electric heater 5 is at the maximum power P max Work, and keep the flow rate of hot water flow channel 2 at no more than the target flow rate S 0 When the water temperature in hot water channel 2 is higher than the target water temperature T 0 It can be seen that the first electric heater 5 is capable of heating the water temperature of the hot water flow channel 2 to the target water temperature T 0 , and let the hot water flow channel 2 equal to or exceed the target flow S 0 If the system directly controls the first electric heater 5 to supply water to the mixed water channel 3 at a flow rate of max Work, and open the cold water channel 1 to supply water to the mixed water channel 3. If the maximum power P max Too large, and the target flow S 0 Smaller, will increase S 2 and S 3 That is, if the first electric heater 5 is simply controlled directly to have the maximum power P max The probability that the second flow rate and the third flow rate cannot be determined is high, and the applicable scenarios are limited. In this regard, the above "determining the third power of the first electric heater" is further optimized to include:

[0176] S100, let i=1;

[0177] S200, judgment Is it greater than or equal to S? 0 ; where i = 1, 2, 3…n, P i 0 is the i-th preset power of the first electric heater 5 (the preset power corresponds to the gear power of the first electric heater, with n optional gears in total), P 1 0 =P min , P n 0 =P max , and the i-th preset power is less than the i+1-th preset power;

[0178] S300, if it is determined that Greater than or equal to S 0 , then P i 0 Determined as the third power;

[0179] If it is determined Less than S 0 , then execute the following step S400;

[0180] S400, let i=i+1, and repeat steps S200 and S300.

[0181] It can be understood that through the above control strategy, the system can automatically select the smallest possible gear power that can meet the target water temperature and target flow requirements of the mixed water flow channel 3 to heat the water flow channel 2, thereby reducing S 2 and S 3 The possibility of not being able to obtain values ​​expands the applicable scenarios.

[0182] It can also be understood that if in the above step S3, it is determined that Equal to S 0 , the current P i 0 After the third power is determined, the calculated third flow rate should be zero.

[0183] In some embodiments, the water channel assembly is not only equipped with a return water channel 4, but also equipped with a hot water tank that is connected to the hot water channel 2 to provide a hot water source to the hot water channel 2, such as the above-mentioned embodiment 4. In these embodiments, "obtaining the target water temperature of the mixed water channel 3 and the current first water temperature of the hot water channel 2" in S101 may further include: obtaining the target water temperature of the mixed water channel 3, the current first water temperature of the hot water channel 2, the target flow rate of the mixed water channel 3, and the current second water temperature of the hot water tank. That is, S101 not only obtains the target water temperature of the mixed water channel 3 and the current first water temperature of the hot water channel 2, but also obtains the target flow rate of the mixed water channel 3 and the current second water temperature of the hot water tank. Further, "If the first water temperature is less than the target water temperature, and the product of the first temperature difference and the target flow rate is greater than the third preset product threshold, then the cold water channel 1 and the hot water channel 2 are controlled to be isolated from the mixed water channel 3, and the hot water channel 2 is controlled to supply water to the return water channel 4" in S102 can be preferably: if the first water temperature is less than the target water temperature, and the product of the first temperature difference and the target flow rate is greater than the third preset product threshold, and the first water temperature is less than the fourth water temperature, then the cold water channel 1 and the hot water channel 2 are controlled to be isolated from the mixed water channel 3, and the hot water channel 2 is controlled to supply water to the return water channel 4. That is, before controlling the cold water channel 1 and the hot water channel 2 to be isolated from the mixed water channel 3 and controlling the hot water channel 2 to supply water to the return water channel 4, it is also necessary to determine whether the first water temperature is lower than the fourth water temperature. Only when it is determined that the first water temperature is lower than the fourth water temperature, the subsequent action is performed - controlling the cold water channel 1 and the hot water channel 2 to be isolated from the mixed water channel 3 and controlling the hot water channel 2 to supply water to the return water channel 4.

[0184] Only when it is determined that the current second water temperature of the hot water tank is greater than the current first water temperature of the hot water flow channel 2, can the water temperature of the hot water flow channel 2 be quickly increased by the return water method. Therefore, the water supply method of the embodiment of the previous paragraph avoids the possibility that the water temperature of the hot water flow channel 2 will decrease instead of increase after the return water. In addition, when it is determined that the first water temperature is less than the fourth water temperature, rather than when the target water temperature is less than the fourth water temperature, the hot water flow channel 2 is controlled to send water to the return water flow channel 4, the purpose of which is to quickly increase the water temperature of the hot water flow channel 2, thereby narrowing the gap between the water temperature of the hot water flow channel and the target water temperature, so that once the water channel component learns that the first temperature difference between the two is reduced to a product less than the third preset product threshold with the target flow rate, the hot water flow channel can be heated. It can be seen that this method does not require that the water temperature of the hot water flow channel must be increased to or above the target water temperature by the return water method, and overcomes the defect that the return water action is not performed when the water temperature of the hot water tank is significantly higher than the current water temperature of the hot water flow channel but lower than the target water temperature.

[0185] In the description of the specification and claims of this application, "return water" should be understood as follows: it includes directing the water of the hot water flow channel 2 to any reasonable situation other than the mixed water flow channel 3, such as directing the water in the hot water flow channel 2 to the drain, and "return water" is not limited to directing the water of the hot water flow channel 2 back to the hot water supply source of the hot water flow channel 2 - such as the hot water tank in Example 4.

[0186] In other embodiments, S102 of "If the first water temperature is less than the target water temperature, the cold water channel 1 is controlled to be isolated from the mixed water channel 3, the first electric heater 5 is controlled to heat the hot water channel 2 with a first power, and the hot water channel 2 is controlled to supply water to the mixed water channel 3 at a first flow rate" particularly includes such a strategy: if the first water temperature is less than the target water temperature, and the first water temperature is ≥ the fourth water temperature, the cold water channel 1 is controlled to be isolated from the mixed water channel 3, the first electric heater 5 is controlled to heat the hot water channel 2 with a first power, and the hot water channel 2 is controlled to supply water to the mixed water channel 3 at a first flow rate.

[0187] It can be understood that if the first water temperature ≥ the fourth water temperature, it means that there is no need for water return. Therefore, at this time, even if the product of the first temperature difference and the target flow rate is greater than the third preset product threshold, a relatively reasonable method of heating the hot water flow channel 2 is still used to supply water, so as to obtain water with a small flow rate but a water temperature that meets the requirements.

[0188] In some embodiments, the water channel assembly is further configured with a second electric heater connected to the water mixing channel 3, and the description of the first embodiment can be referred to. In these embodiments, before controlling the hot water channel 2 to supply water to the water mixing channel 3 at a first flow rate, the water supply method may further include:

[0189] Obtain the current third water temperature of the mixed water channel 3;

[0190] If the third water temperature is lower than the target water temperature, the second electric heater is controlled to heat the mixed water channel 3 at the second power for a preset time and then turned off, wherein the preset time is determined based on the fourth temperature difference, and its purpose is to heat the water temperature of the mixed water channel to the required temperature. The fourth temperature difference is the difference between the target water temperature and the third water temperature.

[0191] The above are merely exemplary embodiments of the present application and are not intended to limit the protection scope of the present application. The protection scope of the present application is determined by the appended claims.

Claims

1. A waterway assembly, It is characterized in that include: housing, and An operable water temperature setting element, the water temperature setting element being disposed on the surface of the housing and used to set a target water temperature of the water mixing channel; The housing is provided with: A cold water flow channel, wherein the cold water flow channel has a cold water inlet joint extending out of the shell; A hot water flow channel, wherein the hot water flow channel has a hot water inlet joint extending out of the shell; The mixed water flow channel is connected to the cold water flow channel and the hot water flow channel respectively, and the mixed water flow channel has a mixed water outlet joint extending out of the shell; a first water temperature sensor, the first water temperature sensor being connected to the hot water flow channel to obtain a current first water temperature of the hot water flow channel; a first electric heater connected to the hot water flow channel or the mixed water flow channel to heat the hot water flow channel or the mixed water flow channel; as well as a controller, the controller being in communication connection with the water temperature setting element, the first water temperature sensor and the first electric heater, respectively, for obtaining the target water temperature from the water temperature setting element, obtaining the first water temperature from the first water temperature sensor, and controlling the working state of the first electric heater according to the target water temperature and the first water temperature; A water mixing valve is also provided in the housing, and the water mixing valve is connected between the cold water flow channel and the water mixing flow channel and between the hot water flow channel and the water mixing flow channel, respectively, so as to adjust the ratio of the communication area between the cold water flow channel and the water mixing flow channel and the communication area between the hot water flow channel and the water mixing flow channel, and the water mixing valve includes a first fixed valve plate, a first movable valve plate and a second movable valve plate, wherein: The first movable valve disc is abutted against the first fixed valve disc in a manner that it can pivot around a pivot axis, the second movable valve disc is abutted against the first movable valve disc in a manner that it can pivot around the pivot axis, the first fixed valve disc has a first surface abutting against the first movable valve disc, the first movable valve disc has a second surface abutting against the first fixed valve disc and a third surface abutting against the second movable valve disc, the second movable valve disc has a fourth surface abutting against the first movable valve disc, the first fixed valve disc is provided with a first cold water hole, a first hot water hole and a first mixing water hole extending to the first surface, the first movable valve disc is provided with a second mixing water hole and a third mixing water hole extending from the second surface to the third surface, and the second movable valve disc is provided with a first mixing water groove recessed inwardly from the fourth surface; The first cold water hole of the first fixed valve plate is connected to the cold water flow channel, the first hot water hole is connected to the hot water flow channel, and the first mixed water hole on the first fixed valve plate is connected to the mixed water flow channel; When the first movable valve plate and the first fixed valve plate are in a second relative position, the first cold water hole is blocked by the first movable valve plate, the first hot water hole is connected to the second mixing water hole, and the first mixing water hole is connected to the third mixing water hole; When the first movable valve disc and the first fixed valve disc are in a third relative position, the first cold water hole and the first hot water hole are both connected to the second mixing water hole, and the first mixing water hole is connected to the third mixing water hole; and in the third relative position, a ratio of a connecting area between the first cold water hole and the second mixing water hole and a connecting area between the first hot water hole and the second mixing water hole changes in response to the first movable valve disc pivoting around the pivot axis; When the second movable valve plate is in a fifth relative position with respect to the first movable valve plate, the second water mixing hole and the third water mixing hole are both connected to the first water mixing groove; and at the fifth relative position, a connection area between the third water mixing hole and the first water mixing groove changes in response to the second movable valve plate pivoting around the pivot axis.

2. The water channel assembly according to claim 1, It is characterized in that The shell surface is also provided with an operable flow setting element for setting the target flow of the mixed water flow channel, and the flow setting element is communicatively connected with the controller.

3. The water channel assembly according to claim 2, It is characterized in that And the water mixing valve is communicatively connected with the controller.

4. The water channel assembly according to claim 3, It is characterized in that A first flow regulating valve is also disposed in the housing, and the first flow regulating valve is connected to the mixed water flow channel to regulate the flow of the mixed water flow channel.

5. The water channel assembly according to claim 2, It is characterized in that The housing is also provided with: a second flow regulating valve, the second flow regulating valve being connected to the cold water flow channel to regulate the flow of the cold water flow channel; as well as a third flow regulating valve, the third flow regulating valve being connected to the hot water flow channel to regulate the flow of the hot water flow channel; Wherein, the second flow regulating valve and the third flow regulating valve are both communicatively connected to the controller.

6. The water channel assembly according to any one of claims 1 to 5, It is characterized in that The controller is used to: Acquire the target water temperature of the mixed water flow channel from the flow setting element, acquire the target flow rate of the mixed water flow channel from the flow setting element, and acquire the current first water temperature of the hot water flow channel from the first water temperature sensor; If the first water temperature is less than the target water temperature, the cold water channel is controlled to be isolated from the mixed water channel, the first electric heater is controlled to heat the hot water channel at a first power, and the hot water channel is controlled to supply water to the mixed water channel at a first flow rate, wherein the first flow rate is a flow rate at which the water temperature of the hot water channel can be maintained at the target water temperature when the first electric heater heats the hot water channel at the first power.

7. The water channel assembly according to claim 1, It is characterized in that The cold water inlet joint, the hot water inlet joint and the mixed water outlet joint are all threaded joints.

8. The water channel assembly according to any one of claims 1 to 5, It is characterized in that The housing is also provided with: A water return channel, the water return channel being in communication with the hot water channel; A return valve is connected between the return water channel and the hot water channel to disconnect or connect the hot water channel and the return water channel, and the return valve is communicatively connected to the controller.

9. A water system, It is characterized in that include: The water channel assembly according to any one of claims 1 to 8, a hot water tank, the hot water tank being in communication with the hot water flow channel so as to supply water to the hot water flow channel; A water use terminal is communicated with the mixed water flow channel to obtain water from the mixed water flow channel.

10. The water use system according to claim 9, It is characterized in that The water terminal is a faucet installed on the basin, and the water channel component is arranged below the table top of the basin.

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