Electric water mixing valve device

Abstract

The utility model discloses an electric water mixing valve device which comprises a waterway valve body and a valve element assembly, the waterway valve body comprises a cold water pipe, a hot water pipe, a mixed water pipe, a first communicating pipe and a second communicating pipe, a valve seat is arranged at the input end of the mixed water pipe, and the valve element assembly is installed on the valve seat. A water storage inner container water outlet path and an instant heating body water outlet path which are not communicated with each other are arranged in the hot water pipe, the water storage inner container water outlet, the water storage inner container water outlet path and the second communicating pipe are communicated in sequence, and the instant heating body water inlet, the instant heating body water outlet, the instant heating body water outlet path and the hot water outlet are communicated in sequence. The electric water mixing valve device has the advantages of being compact in structure, small in occupied space, small in water temperature fluctuation and good in use comfort.

Description

Technical Field

[0001] The utility model relates to the technical field of water heater accessories, in particular to an electric water mixing valve device. Background Art

[0002] Water heaters are common heating devices in our daily lives. When adjusting the temperature according to personal water needs, hot and cold water are generally mixed together through a mixing valve, and then transported to the shower or faucet to obtain water of the appropriate temperature. Currently, the mixing valves on the market are mainly manual mixing valves. The water temperature fluctuates greatly when adjusting the temperature, and they are large in size. The product occupies a large space, and some pipelines cannot be installed normally due to space constraints, which has certain limitations. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the deficiencies in the prior art and provide an electric water mixing valve device which has a compact structure, occupies a small space, has small water temperature fluctuation and is comfortable to use.

[0004] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0005] An electric water mixing valve device includes a water valve body and a valve core assembly. The water valve body includes a cold water pipe, a hot water pipe, a mixing water pipe, a first connecting pipe connected between the cold water pipe and the mixing water pipe, and a second connecting pipe connected between the hot water pipe and the mixing water pipe. The input end of the mixing water pipe is provided with a valve seat. The valve core assembly is installed on the valve seat to adjust the ratio of cold and hot water input into the mixing water pipe.

[0006] The hot water pipe has a water outlet of a water storage tank, a water outlet of an instant heating body and a hot water outlet. The mixing water pipe has a water inlet of an instant heating body. The hot water pipe is provided with a water outlet of a water storage tank and a water outlet of an instant heating body that are not connected to each other. The water outlet of the water storage tank, the water outlet of the water storage tank and the second connecting pipe are connected in sequence. The water inlet of the instant heating body, the water outlet of the instant heating body, the water outlet of the instant heating body and the hot water outlet are connected in sequence.

[0007] As a further improvement of the above technical solution:

[0008] The cold water pipe has a cold water inlet and a water inlet of the water storage tank. A cold water inlet path is provided in the cold water pipe. The input end of the cold water inlet path is connected to the cold water inlet. The output end of the cold water inlet path is divided into two paths, one path is connected to the first connecting pipe, and the other path is connected to the water inlet of the water storage tank.

[0009] The cold water pipe is provided with an inlet temperature sensor for detecting the water temperature in the cold water inlet path, and the hot water pipe is provided with an outlet temperature sensor for detecting the water temperature in the outlet path of the instant heating body.

[0010] The mixing water pipe is provided with a water flow rotor for detecting water flow conditions and a Hall element for outputting feedback signals.

[0011] The cold water inlet, the water inlet of the water storage tank, the water outlet of the water storage tank, the water outlet of the instant heating body, the hot water outlet and the water inlet of the instant heating body are all provided with external connecting threads.

[0012] The cold water pipe, the hot water pipe, the mixing water pipe, the first connecting pipe, the second connecting pipe and the valve seat are an integrally formed structure.

[0013] The valve core assembly includes a water baffle, a guide plate and a rotating shaft arranged in the valve seat, and a pressure plate and a motor arranged on the valve seat. The water baffle is provided with a first through hole connected to the first connecting pipe and a second through hole connected to the second connecting pipe. The guide plate is provided with a conducting groove. The rotating shaft is fixedly connected to the guide plate in a circumferential direction. The pressure plate cover is provided on the valve seat. The rotating shaft passes through the pressure plate and is connected to the motor power to adjust the opening between the conducting groove and the first through hole and the second through hole.

[0014] Compared with the prior art, the advantages of the present invention are:

[0015] The electric water mixing valve device of the utility model is provided with a water storage tank outlet path and an instant heating body outlet path which are not connected to each other in the hot water pipe, so that a single pipe can be used for sharing the two water paths. The structure is compact and the space occupied is small. The cold water in the cold water pipe and the hot water in the water storage tank outlet path are automatically adjusted to the hot and cold water ratio through the valve core component. The mixed water enters the instant heating body through the water inlet of the instant heating body for heating, and then is transported to the instant heating body outlet path through the water outlet of the instant heating body and output from the hot water outlet. The utility model has the advantages of small water temperature fluctuation, good comfort in use and wide range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural diagram of the electric mixing valve device.

[0017] Figure 2 This is an exploded view of the electric mixing valve device.

[0018] Figure 3 An exploded view of the valve core assembly.

[0019] Figure 4 Schematic diagram of the internal water path of the water valve body.

[0020] Figure 5 This is an application example diagram of an electric mixing valve device.

[0021] Figure 6 for Figure 5 Schematic diagram of detail A in three connectivity states.

[0022] Legend:

[0023] 100, first water storage tank; 200, second water storage tank; 300, instant heating element; 400, water pipe;

[0024] 1. Waterway valve body; 101. Cold water pipe; 1011. Cold water inlet; 1012. Water tank inlet; 1013. Cold water inlet; 102. Hot water pipe; 1021. Water tank outlet; 1022. Instantaneous heating element outlet; 1023. Hot water outlet; 1024. Water tank outlet; 1025. Instantaneous heating element outlet; 103. Mixing water pipe; 1031. Instantaneous heating element Water inlet; 104, first connecting pipe; 105, second connecting pipe; 106, valve seat; 2, valve core assembly; 201, water retaining plate; 2011, first through hole; 2012, second through hole; 202, guide plate; 2021, conduction slot; 203, rotating shaft; 204, pressure plate; 205, motor; 3, water inlet temperature sensor; 4, water outlet temperature sensor; 5, water flow rotor; 6, Hall element. DETAILED DESCRIPTION

[0025] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0026] like Figures 1 to 4As shown, the electric mixing valve device of this embodiment includes a water valve body 1 and a valve core assembly 2. The water valve body 1 includes a cold water pipe 101, a hot water pipe 102, a mixing water pipe 103, a first connecting pipe 104 connected between the cold water pipe 101 and the mixing water pipe 103, and a second connecting pipe 105 connected between the hot water pipe 102 and the mixing water pipe 103. The input end of the mixing water pipe 103 is provided with a valve seat 106, and the valve core assembly 2 is installed on the valve seat 106 to adjust the ratio of cold and hot water input to the mixing water pipe 103; the hot water pipe 102 has a There is a water outlet 1021 of the water storage tank, a water outlet 1022 of the instant heating body and a hot water outlet 1023. The mixing water pipe 103 has a water inlet 1031 of the instant heating body. The hot water pipe 102 is provided with a water outlet 1024 of the water storage tank and a water outlet 1025 of the instant heating body that are not connected to each other. The water outlet 1021 of the water storage tank, the water outlet 1024 of the water storage tank and the second connecting pipe 105 are connected in sequence, and the water inlet 1031 of the instant heating body, the water outlet 1022 of the instant heating body, the water outlet 1025 of the instant heating body and the hot water outlet 1023 are connected in sequence. The electric water mixing valve device is provided with a water storage tank outlet 1024 and an instant heating body outlet 1025 that are not connected to each other in the hot water pipe 102, so that a single pipe can be used for sharing the two water channels. It has a compact structure, small size, and small space occupation. The cold water in the cold water pipe 101 and the hot water in the water storage tank outlet 1024 are automatically adjusted to the hot and cold water ratio through the valve core component 2. The mixed water enters the instant heating body through the instant heating body water inlet 1031 for heating, and then is transported to the instant heating body water outlet 1025 through the instant heating body water outlet 1022 and output from the hot water outlet 1023. It has the advantages of small water temperature fluctuation, good comfort in use, and a wide range of applications.

[0027] Preferably, the cold water pipe 101 has a cold water inlet 1011 and a water inlet 1012 of the water storage tank. A cold water inlet path 1013 is provided in the cold water pipe 101. The input end of the cold water inlet path 1013 is connected to the cold water inlet 1011, and the output end of the cold water inlet path 1013 is divided into two paths, one path is connected to the first connecting pipe 104, and the other path is connected to the water inlet 1012 of the water storage tank. That is, the cold water pipe 101 can also realize a single pipe for sharing by two water paths, and the structure is more compact.

[0028] Preferably, the cold water pipe 101 is provided with an inlet temperature sensor 3 for detecting the water temperature in the cold water inlet path 1013, and the hot water pipe 102 is provided with an outlet temperature sensor 4 for detecting the water temperature in the outlet path 1025 of the instant heating body. The inlet temperature sensor 3 collects temperature data when cold water flows through and outputs a signal for feedback to the controller, and the outlet temperature sensor 4 collects temperature data when hot water flows through and outputs a signal for feedback to the controller, so that the controller can adjust the ratio of cold and hot water according to the actual usage needs of the user, thereby outputting hot water temperature that meets the user's usage needs and improves usage comfort.

[0029] Preferably, the mixing water pipe 103 is provided with a water flow rotor 5 for detecting water flow conditions and a Hall element 6 for outputting a feedback signal.

[0030] Preferably, the cold water inlet 1011, the water storage tank inlet 1012, the water storage tank outlet 1021, the instant heating body outlet 1022, the hot water outlet 1023 and the instant heating body inlet 1031 are all provided with external connection threads, which have the advantages of simple structure, convenient and quick installation and disassembly, and high connection reliability. They can be used as the water nozzle of the water heater to improve the assembly efficiency of the connection with the pipeline.

[0031] Preferably, the cold water pipe 101, the hot water pipe 102, the mixing water pipe 103, the first connecting pipe 104, the second connecting pipe 105, and the valve seat 106 are an integrally formed structure. In this embodiment, the water valve body 1 can be manufactured using an integral molding process, which has the advantages of high production efficiency, low cost, and high structural strength. In other embodiments, the cold water pipe 101, the hot water pipe 102, the mixing water pipe 103, the first connecting pipe 104, the second connecting pipe 105, and the valve seat 106 can also be assembled in a separate manner, and are not limited to this embodiment.

[0032] Preferably, the valve core assembly 2 includes a water retaining plate 201, a guide plate 202 and a rotating shaft 203 arranged in the valve seat 106, and a pressure plate 204 and a motor 205 arranged on the valve seat 106. The water retaining plate 201 is provided with a first through hole 2011 connected to the first connecting pipe 104 and a second through hole 2012 connected to the second connecting pipe 105. The guide plate 202 is provided with a conducting groove 2021. The rotating shaft 203 is circumferentially fixedly connected to the guide plate 202. The pressure plate 204 is covered on the valve seat 106. The rotating shaft 203 passes through the pressure plate 204 and is powered by the motor 205 to adjust the opening between the conducting groove 2021 and the first through hole 2011 and the second through hole 2012.

[0033] like Figure 5 and Figure 6As shown, in actual application, the output side of the water inlet 1012 of the water storage tank is connected to the first water storage tank 100, and the input side of the water outlet 1021 of the water storage tank is connected to the second water storage tank 200. The first water storage tank 100 and the second water storage tank 200 are connected through two sets of water pipes 400. The output side of the water inlet 1031 of the instant heating body is connected to the instant heating body 300, and the output end of the instant heating body 300 is connected to the water outlet 1022 of the instant heating body through a pipeline. When the electric mixing valve device is in the heat storage mode (preheating), the first connecting pipe 104 and the second connecting pipe 105 are in an open circuit state, and cold water enters the first water storage tank 100 through the cold water inlet 1013 and the water inlet 1012 of the water storage tank. Since the first water storage tank 100 is connected to the second water storage tank 200, the water in the first water storage tank 100 and the second water storage tank 200 can be heated to a preset temperature through the heating pipe in the second water storage tank 200. When the electric mixing valve device is in water use mode, it can be divided into instant heating working state, instant heating + internal heating state according to water demand. Tank working state, specifically, when the water is low in temperature or the flow rate is small, only the instant heating body 300 needs to work and heat to meet the demand, that is, the instant heating working state is executed, at this time the first connecting pipe 104 is in the passage state, and the instant heating body 300 heats the cold water input by the first connecting pipe 104; when the water is high in temperature or the flow rate is large, the instant heating body 300 cannot meet the heating demand, at this time the hot water in the second water storage tank 200 is required to be supplemented and mixed, and then the water demand is met by the instant heating body 300 working and heating, that is, the instant heating + tank working state is executed, at this time the first connecting pipe 104 is in the passage state, and the instant heating body 300 heats the cold water input by the first connecting pipe 104; The through pipe 104 and the second connecting pipe 105 are in a passage state, and the instant heating body 300 mixes the cold water input by the first connecting pipe 104 and the hot water input by the second connecting pipe 105 and heats them, thereby achieving a capacity expansion effect; the valve core assembly 2 automatically adjusts the mixing ratio of cold and hot water according to the water temperature to enter the instant heating body 300. Specifically, the controller drives the rotating shaft 203 to rotate through the motor 205, thereby driving the guide plate 202 to rotate, and then adjusts the opening ratio of the first through hole 2011 and the second through hole 2012 according to the angle of rotation of the guide plate 202.

[0034] The above is only a preferred embodiment of the present invention, and the scope of protection of the present invention is not limited to the above embodiment. For those skilled in the art, improvements and modifications obtained without departing from the technical concept of the present invention should also be considered as the scope of protection of the present invention.

Claims

1. An electric water mixing valve device, characterized in that: The invention comprises a water circuit valve body (1) and a valve core assembly (2), wherein the water circuit valve body (1) comprises a cold water pipe (101), a hot water pipe (102), a mixing water pipe (103), a first connecting pipe (104) connected between the cold water pipe (101) and the mixing water pipe (103), and a second connecting pipe (105) connected between the hot water pipe (102) and the mixing water pipe (103), wherein the input end of the mixing water pipe (103) is provided with a valve seat (106), and the valve core assembly (2) is mounted on the valve seat (106) to adjust the ratio of cold and hot water input into the mixing water pipe (103); The hot water pipe (102) has a water storage tank outlet (1021), an instant heating body outlet (1022) and a hot water outlet (1023); the mixing water pipe (103) has an instant heating body water inlet (1031); a water storage tank outlet (1024) and an instant heating body outlet (1025) that are not connected to each other are provided in the hot water pipe (102); the water storage tank outlet (1021), the water storage tank outlet (1024) and the second connecting pipe (105) are connected in sequence; the instant heating body water inlet (1031), the instant heating body outlet (1022), the instant heating body outlet (1025) and the hot water outlet (1023) are connected in sequence.

2. The electric mixing valve device according to claim 1, characterized in that: The cold water pipe (101) has a cold water inlet (1011) and a water storage tank inlet (1012). A cold water inlet path (1013) is provided in the cold water pipe (101). The input end of the cold water inlet path (1013) is connected to the cold water inlet (1011). The output end of the cold water inlet path (1013) is divided into two paths, one path is connected to the first connecting pipe (104), and the other path is connected to the water storage tank inlet (1012).

3. The electric mixing valve device according to claim 2, characterized in that: The cold water pipe (101) is provided with a water inlet temperature sensor (3) for detecting the water temperature in the cold water inlet path (1013), and the hot water pipe (102) is provided with a water outlet temperature sensor (4) for detecting the water temperature in the instant heating body outlet path (1025).

4. The electric water mixing valve device according to claim 3, characterized in that: The mixing water pipe (103) is provided with a water flow rotor (5) for detecting water flow conditions and a Hall element (6) for outputting a feedback signal.

5. The electric water mixing valve device according to claim 4, characterized in that: The cold water inlet (1011), the water storage tank water inlet (1012), the water storage tank water outlet (1021), the instant heating body water outlet (1022), the hot water outlet (1023), and the instant heating body water inlet (1031) are all provided with external connection threads.

6. The electric water mixing valve device according to claim 5, characterized in that: The cold water pipe (101), the hot water pipe (102), the mixing water pipe (103), the first connecting pipe (104), the second connecting pipe (105), and the valve seat (106) are an integrally formed structure.

7. The electric water mixing valve device according to any one of claims 1 to 6, characterized in that: The valve core assembly (2) comprises a water retaining plate (201), a guide plate (202) and a rotating shaft (203) arranged in the valve seat (106), and a pressure plate (204) and a motor (205) arranged on the valve seat (106). The water retaining plate (201) is provided with a first through hole (2011) communicating with the first connecting pipe (104) and a second through hole (2012) communicating with the second connecting pipe (105). A conducting slot (2021) is provided on the plate (202), the rotating shaft (203) is circumferentially fixedly connected to the guide plate (202), the pressure plate (204) is covered on the valve seat (106), the rotating shaft (203) passes through the pressure plate (204) and is connected to the motor (205) for power, so as to adjust the opening between the conducting slot (2021) and the first through hole (2011) and the second through hole (2012).

Images