Electronic thermostatic proportional valve

Abstract

The utility model relates to the field of water valves, in particular to an electronic thermostatic proportional valve. The electronic constant-temperature proportional valve comprises a hot water pipe, a cold water pipe, a proportional valve body and a water mixing pipe, the proportional valve body comprises a valve body, the hot water pipe and the cold water pipe are communicated to one side of the valve body, and the water mixing pipe is communicated to the other side of the valve body; the valve further comprises a motor, and the motor is fixedly installed outside the valve body and is in transmission connection with the rotating shaft. A temperature measuring probe is arranged on the water mixing pipe; a water flow power generation device is arranged at the hot water pipe or the cold water pipe and is electrically connected with the motor, the controller and the temperature measuring probe. The electronic constant-temperature proportional valve has the advantages that temperature adjustment and constant temperature can be achieved through one electronic control valve, and the structure is simple.

Description

Technical Field

[0001] This utility model relates to the field of water valves, and in particular to an electronic thermostatic proportional valve. Background Technology

[0002] Existing technology includes mixing valves, which use electrically controlled valves to control the constant temperature water output.

[0003] For example, patent document CN201929838U discloses an automatic water-filling thermostatic shower, including a mixing valve body, a detection and control circuit, and a housing. The mixing valve body includes a first mixing valve body, a second mixing valve body, a hot water electric valve, a cold water electric valve, a hydraulic generator, a water-filling solenoid valve, a top spray water-outlet electric valve, and a shower head water-outlet electric valve. The detection and control circuit includes a CPU, a power supply circuit, a signal acquisition circuit, an electric valve drive circuit, a key control circuit, and a display drive circuit.

[0004] However, the above technology uses two electrically controlled valves to control the inflow of hot and cold water respectively, thereby achieving water temperature regulation and constant temperature, which is relatively complex.

[0005] To address these technical problems, an electronic thermostatic proportional valve is proposed. Utility Model Content

[0006] To solve the above-mentioned technical problems, the purpose of this utility model is to provide an electronic thermostatic proportional valve, which has the advantages of achieving temperature regulation and constant temperature through a single electronically controlled valve and has a simple structure.

[0007] The technical solution adopted by this utility model to solve the problem is as follows: a hot water pipe, a cold water pipe, and a proportional valve. The proportional valve includes a valve body, with the hot water pipe and the cold water pipe connected to one side of the valve body. A mixing pipe is provided on the valve body. It also includes a motor, which is fixedly installed outside the valve body. The proportional valve includes a valve core installed at the output end of the motor, which is used to adjust the inlet ratio of the hot water pipe and the cold water pipe. A temperature probe is provided on the mixing pipe. Furthermore, it includes a controller, with a water flow power generation device installed at the hot water pipe, cold water pipe, or mixing pipe. The water flow power generation device is electrically connected to the motor, the controller, and the temperature probe.

[0008] As a further improvement to the above technical solution, the valve body includes a first inlet chamber, a second inlet chamber, and an outlet chamber. The valve core includes a stationary valve plate and a moving valve plate. The stationary valve plate is provided with a first inlet hole communicating with the first inlet chamber and a second inlet hole communicating with the second inlet chamber. The moving valve plate is located in the outlet chamber, which is connected to the mixing pipe. The moving valve plate is attached to and rotatably connected to the stationary valve plate. The moving valve plate is provided with an outlet hole, which is used to communicate with the first inlet hole and the second inlet hole. The motor is drivenly connected to the moving valve plate.

[0009] As a further improvement to the above technical solution, the valve body includes a first inlet chamber, a second inlet chamber, and an outlet chamber. The valve core includes a main body and an adjusting plate that are fixed to each other. The adjusting plate is in contact with the inner wall of the outlet chamber. The first inlet chamber and the second inlet chamber are connected to the outlet chamber through a first through hole and a second through hole, respectively. The adjusting plate is used to adjust the flow area of ​​the first through hole or the second through hole. The motor is drivenly connected to the main body.

[0010] As a further improvement to the above technical solution, a display is also included, which is used to display the adjusted water temperature and the mixed water temperature.

[0011] As a further improvement to the above technical solution, the hot water pipe and the cold water pipe are connected to the same valve, which is used to synchronously control the flow rates of hot water and cold water.

[0012] The beneficial effects of this utility model are: temperature regulation and constant temperature can be achieved through an electronic control structure, the structure is simple, and at the same time, hot water and cold water flow into the mixing pipe through the top and bottom of the guide plate respectively, which can prevent hot water and cold water from colliding and causing unstable water temperature and difficulty in temperature regulation. Attached Figure Description

[0013] The present invention will be further explained below with reference to the accompanying drawings and specific embodiments.

[0014] Figure 1 This is a schematic diagram of a preferred embodiment of the present invention;

[0015] Figure 2 This is a cross-sectional view of the present invention;

[0016] Figure 3 This is a perspective view of one embodiment of the valve body of this utility model;

[0017] Figure 4 for Figure 3 A diagram showing the direction of view from below;

[0018] Figure 5 for Figure 4 GG direction three-dimensional section;

[0019] Figure 6 for Figure 4 II-direction stereo section;

[0020] Figure 7 This is a perspective view of another embodiment of the valve body of this utility model;

[0021] Figure 8 for Figure 7 A top-down view;

[0022] Figure 9 for Figure 8 A cross-sectional view along the CC direction;

[0023] Figure 10 for Figure 8 BB direction sectional view.

[0024] In the diagram: 1. Hot water pipe; 2. Cold water pipe; 3. Proportional valve; 31. Valve body; 311. Mixing pipe; 301. First inlet chamber; 302. Second inlet chamber; 303. Outlet chamber; 32. Static valve plate; 321. First inlet hole; 322. Second inlet hole; 33. Dynamic valve plate; 331. Outlet hole; 341. Main body; 342. Adjusting plate; 343. First through hole; 344. Second through hole; 35. Motor; 5. Temperature probe; 6. Controller; 7. Valve; 8. Water flow power generation device. Detailed Implementation

[0025] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the description of the textual part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0026] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0027] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If "first" or "second" is used in the description, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0028] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0029] Reference Figures 1 to 2An electronic thermostatic proportional valve includes: a hot water pipe 1, a cold water pipe 2, and a proportional valve 3. The proportional valve 3 includes a valve body 31, with the hot water pipe 1 and the cold water pipe 2 connected to one side of the valve body 31. A mixing pipe 311 is provided on the valve body 31. The valve body 31 also includes a motor 35, which is fixedly installed outside the valve body 31. The proportional valve 3 includes a valve core installed at the output end of the motor 35, which is used to adjust the inlet ratio of the hot water pipe 1 and the cold water pipe 2. A temperature probe 5 is provided on the mixing pipe 311. The valve 3 also includes a controller 6. A water flow generator 8 is provided at the hot water pipe 1, the cold water pipe 2, or the mixing pipe 311. The water flow generator 8 is electrically connected to the motor 35, the controller 6, and the temperature probe 5.

[0030] In a preferred embodiment, the water flow power generation device 8 is mainly used to power the motor 35, the controller 6 and the temperature probe 5. The controller 6 can also be powered by 220V AC mains power. In the event of failure of the water flow power generation device 8, the electronic thermostatic proportional valve of this application can still work normally.

[0031] refer to Figure 3-6 In a preferred embodiment, the valve body 31 includes a first inlet chamber 301, a second inlet chamber 302, and an outlet chamber 303. The valve core includes a stationary valve plate 32 and a moving valve plate 33. The stationary valve plate has a first inlet hole 321 communicating with the first inlet chamber 301 and a second inlet hole 322 communicating with the second inlet chamber 302. The moving valve plate 33 is located in the outlet chamber 303, which is connected to the mixing pipe 311. The moving valve plate 33 is attached to and rotatably connected to the stationary valve plate. The moving valve plate 33 has an outlet hole 331, which is used to communicate with the first inlet hole 321 and the second inlet hole 322. The motor 35 is drivenly connected to the moving valve plate 33.

[0032] refer to Figure 7-10 In a preferred embodiment, the valve body 31 includes a first inlet chamber 301, a second inlet chamber 302, and an outlet chamber 303. The valve core includes a main body 341 and an adjusting plate 342 fixed to each other. The adjusting plate 342 is fitted against the inner wall of the outlet chamber 303. The first inlet chamber 301 and the second inlet chamber 302 are connected to the outlet chamber 303 through a first through hole 343 and a second through hole 344, respectively. The adjusting plate 342 is used to adjust the flow area of ​​the first through hole 343 or the second through hole 344. The motor 35 is drivenly connected to the main body 341.

[0033] In a preferred embodiment, the temperature probe 5 can detect the water temperature in the mixing pipe 311, and the controller 6 can set the water temperature and control the motor 35. When the water temperature detected by the temperature probe 5 is inconsistent with the set water temperature, the temperature probe 5 sends a signal to the controller 6, and the controller 6 controls the motor 35 to work, thereby adjusting the mixing ratio of hot and cold water. The above-mentioned use of the temperature probe 5 and the controller 6 to control the motor 35 is prior art, as disclosed in patent document CN202547107U. Furthermore, the water flow power generation device 8 is prior art and has applications in faucets, water pipes, and other fields. For example, patent document CN103791154B discloses the above-mentioned water flow power generation device 8, which can be installed on water pipes.

[0034] In a preferred embodiment, a display (not shown) is also included, which is used to display the adjusted water temperature and the mixed water temperature.

[0035] In a preferred embodiment, the hot water pipe 1 and the cold water pipe 2 are connected to the same valve 7. The valve 7 can simultaneously control the flow rates of hot water and cold water, thereby controlling the outflow rate of the mixing pipe 311 without changing the water temperature.

[0036] The above are merely preferred embodiments of this utility model and do not limit the patent scope of this utility model. Any equivalent structural transformations made based on the inventive concept of this utility model and the contents of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are included within the patent protection scope of this utility model.

Claims

1. An electronic thermostatic proportional valve characterized by, It includes: Hot water pipe (1), cold water pipe (2) and proportional valve (3), the proportional valve (3) includes valve body (31), the hot water pipe (1) and cold water pipe (2) are communicated in one side of valve body (31), the valve body (31) is equipped with mixed water pipe (311); It also includes motor (35), the motor (35) is fixedly installed outside valve body (31), proportional valve (3) includes valve core installed in the output end of motor (35), the valve core is used for adjusting the water inlet proportion of hot water pipe (1), cold water pipe (2); The mixed water pipe (311) is equipped with temperature measuring probe (5); It also includes controller (6), the hot water pipe (1), cold water pipe (2) or mixed water pipe (311) is equipped with water flow power generation device (8), the water flow power generation device (8) is electrically connected with motor (35), controller (6) and temperature measuring probe (5). 2.The electronic constant temperature proportional valve of claim 1, wherein: The valve body (31) includes first water inlet cavity (301), second water inlet cavity (302) and water outlet cavity (303), the valve core includes static valve plate (32) and dynamic valve plate (33), the static valve plate is equipped with first water inlet hole (321) communicated with the first water inlet cavity (301) and second water inlet hole (322) communicated with the second water inlet cavity (302), the dynamic valve plate (33) is arranged in the water outlet cavity (303), the water outlet cavity (303) is communicated with the mixed water pipe (311), the dynamic valve plate (33) is attached to the static valve plate and is rotationally connected, the dynamic valve plate (33) is equipped with water outlet hole (331), the water outlet hole (331) is used for being communicated with the first water inlet hole (321) and second water inlet hole (322), and the motor (35) is drivingly connected with the dynamic valve plate (33). 3.The electronic constant temperature proportional valve of claim 1, wherein: The valve body (31) includes first water inlet cavity (301), second water inlet cavity (302) and water outlet cavity (303), the valve core includes fixed main body (341) and adjusting piece (342), the adjusting piece (342) is attached to the inner wall of the water outlet cavity (303), the first water inlet cavity (301) and second water inlet cavity (302) are respectively communicated with the water outlet cavity (303) through first through hole (343) and second through hole (344), the adjusting piece (342) is used for adjusting the flow area of the first through hole (343) or second through hole (344), and the motor (35) is drivingly connected with the main body (341). 4.The electronic constant temperature proportional valve of claim 1, wherein: It further includes a display, and the display is used for displaying the adjusted water temperature and mixed water temperature. 5.The electronic constant temperature proportional valve of claim 1, wherein: The hot water pipe (1) and cold water pipe (2) are communicated with the same valve (7), and the valve (7) is used for synchronously controlling the hot water flow and cold water flow.

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