Water heater and control method

Abstract

The present invention discloses a water heater and a control method, wherein the water heater comprises a water heater body, an air inlet pipe, an air pump, a first one-way valve and a flow sensor, wherein the water heater body comprises an outer shell, an inner tank arranged in the outer shell and a controller, a temperature sensor and a pressure sensor arranged in the inner tank, and an inlet pipe and an outlet pipe connected to the inner tank, wherein the control mode of the controller comprises a bubble water mode, one end of the air inlet pipe is connected to the water inlet pipe, and the air outlet end of the air pump is connected to the other end of the air inlet pipe so as to inflate the inner tank for dissolution to generate bubbles, the first one-way valve is installed on the air inlet pipe so as to prevent water in the water inlet pipe from entering the air pump, the flow sensor is installed on the water inlet pipe, and the flow sensor, the air pump, the temperature sensor and the pressure sensor are all electrically connected to the controller so as to control the start and stop of the air pump according to the detected water on / off state of the water inlet pipe in the bubble water mode.

Description

Technical Field

[0001] The present invention relates to the technical field of hot water equipment, and in particular to a water heater and a control method thereof. Background Art

[0002] The bubble water flowing out of the water heater is based on the principle of air solubility in water. The air or gas substances are compressed into water through an air pump to dissolve into tiny bubbles. Bubble water is now widely used in industrial water treatment and water pollution treatment. It is also gradually used in daily life and beauty products. Bubble water can enter the pores and remove the dirt in the pores. At the same time, it will also attach water to the inside of the pores, which greatly reduces the contact time with the air, so it will not be easily evaporated, and naturally has a moisturizing effect.

[0003] When using bubble water in an existing water heater, the air pump needs to be turned on or off manually, which is inconvenient to use. Summary of the invention

[0004] The object of the present invention is to provide a water heater and a control method, which have the following advantages: since it includes a water heater body, an air inlet pipe, an air pump, a first one-way valve and a flow sensor, the two ends of the air inlet pipe are respectively connected to the water inlet pipe and the air pump, the first one-way valve is installed on the air inlet pipe, the flow sensor is installed on the water inlet pipe, the flow sensor, the air pump, the temperature sensor and the pressure sensor are all electrically connected to the controller to automatically control the start and stop of the air pump according to the detected water on and off status of the water inlet pipe in the bubble water mode.

[0005] A water heater of the present invention comprises a water heater body, an air inlet pipe, an air pump, a first one-way valve and a flow sensor, the water heater body comprises an outer shell, an inner tank arranged in the outer shell and a controller, a temperature sensor and a pressure sensor arranged in the inner tank, and an inlet pipe and an outlet pipe connected to the inner tank, wherein the control mode of the controller comprises a bubble water mode, one end of the air inlet pipe is connected to the water inlet pipe, and the air outlet end of the air pump is connected to the other end of the air inlet pipe so as to inflate the inner tank for dissolution to generate bubbles, the first one-way valve is installed on the air inlet pipe to prevent water in the water inlet pipe from entering the air pump, the flow sensor is installed on the water inlet pipe, the flow sensor, the air pump, the temperature sensor and the pressure sensor are all electrically connected to the controller so as to control the start and stop of the air pump according to the detected water on and off state of the water inlet pipe in the bubble water mode.

[0006] A water heater of the present invention may also be:

[0007] It also includes a second one-way valve, which is installed on the water inlet pipe to prevent the water in the inner tank from flowing back.

[0008] The utility model also comprises a bubbler which is connected with the water outlet pipe to enhance the mixing of gas and water.

[0009] The water inlet pipe includes a first water pipe and a second water pipe, the upper part of the first water pipe is arranged in the inner tank, the lower part of the first water pipe is installed on the outer shell, the upper end of the second water pipe is connected with the lower end of the first water pipe, one end of the air inlet pipe is connected with the second water pipe, and the second one-way valve is installed on the second water pipe.

[0010] The water outlet pipe includes a third water pipe and a fourth water pipe, the upper portion of the third water pipe is arranged in the inner tank, the lower portion of the third water pipe is installed on the outer shell, and the upper end of the fourth water pipe is connected to the lower end of the third water pipe.

[0011] The upper end of the bubbler is installed on the lower end of the third water pipe, and the lower end of the bubbler is communicated with the fourth water pipe.

[0012] It also includes a bottom shell, the upper end of which is fixedly connected to the outer shell so that the second water pipe, the fourth water pipe, the air inlet pipe and the air pump are surrounded in the bottom shell.

[0013] The present invention also provides a water heater control method, which adopts the above-mentioned water heater, including: switching the water heater to a bubbling water mode; detecting the water on and off status of the water inlet pipe through a flow sensor; when the water inlet pipe is in a water on state, disconnecting the power supply of the air pump; when the water inlet pipe is in a water off state, detecting the water temperature value in the inner tank through a temperature sensor, and detecting the pressure value in the inner tank through a pressure sensor; when the detected pressure value is lower than a preset pressure value and the detected water temperature value is lower than a preset temperature value, connecting the power supply of the air pump to inflate the inner tank; when the detected pressure value reaches the preset pressure value and the water temperature value reaches the preset temperature value, disconnecting the power supply of the air pump.

[0014] The water heater control method of the present invention may also be:

[0015] When the detected pressure value is lower than 0.1-0.2 MPa and the detected water temperature value is lower than 40°C-50°C, the controller turns on the power of the air pump.

[0016] When the detected pressure value reaches 0.6-0.7 MPa and the detected water temperature value reaches 40°C-50°C, the controller disconnects the power supply of the air pump.

[0017] The water heater and control method of the present invention have the following advantages over the prior art: since the water heater and control method include a water heater body, an air inlet pipe, an air pump, a first one-way valve and a flow sensor, the water heater body includes an outer shell, an inner tank arranged in the outer shell and a controller, a temperature sensor and a pressure sensor arranged in the inner tank, and an inlet pipe and an outlet pipe connected to the inner tank, wherein the control mode of the controller includes a bubble water mode, one end of the air inlet pipe is connected to the water inlet pipe, and the outlet end of the air pump is connected to the other end of the air inlet pipe to inflate the inner tank for dissolution to generate bubbles, the first one-way valve is installed on the air inlet pipe to prevent water in the water inlet pipe from entering the air pump, the flow sensor is installed on the water inlet pipe, and the flow sensor, the air pump, the temperature sensor and the pressure sensor are all electrically connected to the controller. In this way, the water on / off state of the water inlet pipe is detected by the flow sensor; when the water inlet pipe is in the water on state, the power supply of the air pump is disconnected; when the water inlet pipe is in the water off state, the water temperature value in the inner tank is detected by the temperature sensor, and the pressure value in the inner tank is detected by the pressure sensor; when the detected pressure value is lower than the preset pressure value and the detected water temperature value is lower than the preset temperature value, the power supply of the air pump is connected to inflate the inner tank; when the detected pressure value reaches the preset pressure value and the water temperature value reaches the preset temperature value, the power supply of the air pump is disconnected. Thus, the effect of automatically controlling the start and stop of the air pump in the bubble water mode is achieved, thereby improving the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a perspective schematic diagram of the water heater of the present invention.

[0019] Figure 2 The figure is a logic flow diagram of the control method of the water heater of the present invention.

[0020] Description of Figure Number

[0021] 1. 11. Shell; 12. Inner liner; 13. Controller; 14. Temperature sensor; 15. Pressure sensor; 16. Water inlet pipe; 161. First water pipe; 162. Second water pipe; 17. Water outlet pipe; 171. Third water pipe; 172. Fourth water pipe;

[0022] 2. Intake pipe;

[0023] 3. Air pump;

[0024] 4. The first one-way valve;

[0025] 5. Flow sensor;

[0026] 6. Second one-way valve;

[0027] 7. Bubbler;

[0028] 8. Bottom shell. DETAILED DESCRIPTION

[0029] The following is combined with the attached drawings Figure 1 and Figure 2 A water heater and a control method of the present invention are further described in detail.

[0030] A water heater of the present invention, please refer to Figure 1 , including a water heater body 1, an air inlet pipe 2, an air pump 3, a first one-way valve 4 and a flow sensor 5.

[0031] The water heater body 1 includes an outer shell 11, an inner tank 12 and a controller 13 arranged in the outer shell 11, a temperature sensor 14 and a pressure sensor 15 arranged in the inner tank 12, and a water inlet pipe 16 and a water outlet pipe 17 connected to the inner tank 12, wherein the control mode of the controller 13 includes a bubble water mode.

[0032] The control panel of the water heater body 1 includes a button for a bubble water mode and a button for a normal hot water mode. Of course, the switching between the bubble water mode and the normal hot water mode is not limited to switching by buttons. For example, the water heater body 1 includes a voice recognition module, and the user switches the bubble water mode or the normal hot water mode by voice input. Those skilled in the art can select the mode switching method according to actual needs.

[0033] One end of the air inlet pipe 2 is in communication with the water inlet pipe 16 , for example, one end of the air inlet pipe 2 is in communication with a portion of the water inlet pipe 16 extending out of the housing 11 .

[0034] The air outlet end of the air pump 3 is connected to the other end of the air inlet pipe 2 to inflate the inner liner 12 so that the air dissolves in the water to generate bubble water.

[0035] The first one-way valve 4 is installed on the air inlet pipe 2 to prevent water in the water inlet pipe 16 from entering the air pump 3 .

[0036] The flow sensor 5 is installed on the water inlet pipe 16, wherein the flow sensor 5, the air pump 3, the temperature sensor 14 and the pressure sensor 15 are all electrically connected to the controller 13 to control the start and stop of the air pump 3 according to the detected water on and off status of the water inlet pipe 16 in the bubble water mode, thereby achieving the effect of automatically controlling the start and stop of the air pump 3 in the bubble water mode, thereby improving the user experience.

[0037] A water heater of the present invention, please refer to Figure 1 On the basis of the above technical solution, it can also include: a second one-way valve 6 is installed on the water inlet pipe 16 to prevent the water in the inner tank 12 from flowing back. Figure 1 As shown, the second one-way valve 6 is installed at the upper part of the interface between the water inlet pipe 16 and the air inlet pipe 2. Of course, the second one-way valve 6 can also be installed at the lower part of the interface between the water inlet pipe 16 and the air inlet pipe 2, and those skilled in the art can select the installation position of the second one-way valve 6 according to actual needs.

[0038] A water heater of the present invention, please refer to Figure 1 On the basis of the above technical solution, it can also include: a bubbler 7, which is connected to the water outlet pipe 17 to enhance the mixing of gas and water. For example, the bubbler 7 is provided with a plurality of venturi tubular water holes.

[0039] A water heater of the present invention, please refer to Figure 1 On the basis of the previous technical solution, the water inlet pipe 16 may include a first water pipe 161 and a second water pipe 162 .

[0040] The upper portion of the first water pipe 161 is disposed in the inner tank 12 , and the lower portion of the first water pipe 161 is installed on the outer shell 11 . The first water pipe 161 is a water inlet pipe of the anti-electric wall.

[0041] The upper end of the second water pipe 162 is connected to the lower end of the first water pipe 161 , one end of the air intake pipe 2 is connected to the second water pipe 162 , and the second one-way valve 6 is installed on the second water pipe 162 .

[0042] A water heater of the present invention, please refer to Figure 1 On the basis of the foregoing technical solution, the water outlet pipe 17 may include a third water pipe 171 and a fourth water pipe 172 .

[0043] The upper portion of the third water pipe 171 is disposed in the inner container 12, and the lower portion of the third water pipe 171 is mounted on the outer shell 11. The upper end of the fourth water pipe 172 is communicated with the lower end of the third water pipe 171.

[0044] A water heater of the present invention, please refer to Figure 1 On the basis of the previous technical solution, it can also be that: the upper end of the bubbler 7 is installed on the lower end of the third water pipe 171, and the lower end of the bubbler 7 is connected to the fourth water pipe 172.

[0045] A water heater of the present invention, please refer to Figure 1 On the basis of the above technical solution, it can also be: further including a bottom shell 8, the upper end of the bottom shell 8 is fixedly connected to the outer shell 11, so that the second water pipe 162, the fourth water pipe 172, the air intake pipe 2 and the air pump 3 are enclosed in the bottom shell 8, so as to achieve a simple and beautiful appearance. For example, an air intake hole is opened on the bottom shell 8, and the air pump 3 draws external air through the air intake hole. The second water pipe 162 and the fourth water pipe 172 pass through the bottom shell 8 and are connected to the external water pipe.

[0046] Preferably, the bottom shell 8 is formed by buckling two half shells, or by buckling a box body and a side cover, so that the bottom shell 8 can be opened to perform maintenance on the air pump 3.

[0047] The present invention also provides a water heater control method, please refer to Figure 1 and Figure 2 , using the above water heater, including:

[0048] When sparkling water is needed, the user switches the water heater to the sparkling water mode by pressing the sparkling water mode button.

[0049] The water on / off state of the water inlet pipe 16 is detected by the flow sensor 5; when the water inlet pipe 16 is in the water on state, the power supply of the air pump 3 is disconnected.

[0050] When the water inlet pipe 16 is in a water-off state, the water temperature value in the inner tank 12 is detected by the temperature sensor 14 , and the pressure value in the inner tank 12 is detected by the pressure sensor 15 .

[0051] When the detected pressure value is lower than the preset pressure value and the detected water temperature value is lower than the preset temperature value, the power of the air pump 3 is turned on to inflate the inner liner 12 .

[0052] When the detected pressure value reaches the preset pressure value and the water temperature value reaches the preset temperature value, the power supply of the air pump 3 is disconnected, thereby achieving the effect of automatically controlling the start and stop of the air pump 3 in the bubble water mode, thereby improving the user experience.

[0053] When the normal hot water mode is needed, the user only needs to switch the water heater to the normal hot water mode through the normal hot water mode button.

[0054] A water heater control method of the present invention can also be based on the previous technical solution: when the detected pressure value is lower than 0.1-0.2MPa and the detected water temperature value is lower than 40℃-50℃, the controller 13 connects the power supply of the air pump 3. Of course, the pressure value and water temperature value of connecting the air pump 3 are not limited to the above values, and those skilled in the art can set the pressure value and water temperature value of connecting the air pump 3 according to actual needs.

[0055] A water heater control method of the present invention can also be based on the above technical solution: when the detected pressure value reaches 0.6-0.7MPa and the detected water temperature value reaches 40℃-50℃, the controller 13 disconnects the power supply of the air pump 3. Of course, the pressure value and water temperature value for disconnecting the air pump 3 are not limited to the above values, and those skilled in the art can set the pressure value and water temperature value for disconnecting the air pump 3 according to actual needs.

[0056] The above only describes several specific embodiments of the present invention, but cannot be regarded as the protection scope of the present invention. Any equivalent changes or modifications or proportional enlargement or reduction made according to the design spirit of the present invention should be considered to fall within the protection scope of the present invention.

Claims

1. A water heater control method, characterized in that: The water heater comprises: A water heater body (1) comprises an outer shell (11), an inner tank (12) and a controller (13) arranged in the outer shell (11), a temperature sensor (14) and a pressure sensor (15) arranged in the inner tank (12), and a water inlet pipe (16) and a water outlet pipe (17) connected to the inner tank (12), wherein a control mode of the controller (13) comprises a bubble water mode, an air inlet pipe (2), one end of the air inlet pipe (2) being in communication with the water inlet pipe (16), an air pump (3), wherein an air outlet end of the air pump (3) is connected to the other end of the air inlet pipe (2) so as to inflate air into the inner liner (12). a first one-way valve (4) mounted on the air inlet pipe (2) to prevent water in the water inlet pipe (16) from entering the air pump (3); and A flow sensor (5) is installed on the water inlet pipe (16), wherein the flow sensor (5), the air pump (3), the temperature sensor (14) and the pressure sensor (15) are all electrically connected to the controller (13) so as to control the start and stop of the air pump (3) according to the detected water on / off state of the water inlet pipe (16) in the bubble water mode program; The control method comprises: Switching the water heater to a bubble water mode; Detecting the water on / off state of the water inlet pipe (16) by means of the flow sensor (5); When the water inlet pipe (16) is in a water flow state, disconnecting the power supply of the air pump (3); When the water inlet pipe (16) is in a water-off state, the water temperature value in the inner tank (12) is detected by the temperature sensor (14), and the pressure value in the inner tank (12) is detected by the pressure sensor (15); When the detected pressure value is lower than a preset pressure value and the detected water temperature value is lower than a preset temperature value, the power supply of the air pump (3) is turned on to inflate the inner container (12); When the detected pressure value reaches a preset pressure value and the water temperature value reaches a preset temperature value, the power supply of the air pump (3) is disconnected.

2. The water heater control method according to claim 1, characterized in that: It also includes a second one-way valve (6), which is installed on the water inlet pipe (16) to prevent the water in the inner tank (12) from flowing back.

3. The water heater control method according to claim 2, characterized in that: It also includes a bubbler (7), wherein the bubbler (7) is in communication with the water outlet pipe (17) to enhance the mixing of gas and water.

4. The water heater control method according to claim 3, characterized in that: The water inlet pipe (16) comprises a first water pipe (161) and a second water pipe (162); the upper portion of the first water pipe (161) is arranged in the inner tank (12); the lower portion of the first water pipe (161) is mounted on the outer shell (11); the upper end of the second water pipe (162) is connected to the lower end of the first water pipe (161); one end of the air inlet pipe (2) is connected to the second water pipe (162); and the second one-way valve (6) is mounted on the second water pipe (162).

5. The water heater control method according to claim 4, characterized in that: The water outlet pipe (17) comprises a third water pipe (171) and a fourth water pipe (172); the upper portion of the third water pipe (171) is arranged in the inner tank (12); the lower portion of the third water pipe (171) is mounted on the outer shell (11); and the upper end of the fourth water pipe (172) is connected to the lower end of the third water pipe (171).

6. The water heater control method according to claim 5, characterized in that: The upper end of the bubbler (7) is mounted on the lower end of the third water pipe (171), and the lower end of the bubbler (7) is connected to the fourth water pipe (172).

7. The water heater control method according to claim 6, characterized in that: It also includes a bottom shell (8), the upper end of which is fixedly connected to the outer shell (11) so that the second water pipe (162), the fourth water pipe (172), the air intake pipe (2) and the air pump (3) are enclosed in the bottom shell (8).

8. The water heater control method according to claim 1, characterized in that: When the detected pressure value is lower than 0.1-0.2 MPa and the detected water temperature value is lower than 40° C.-50° C., the controller (13) turns on the power supply of the air pump (3).

9. The water heater control method according to claim 1, characterized in that: When the detected pressure value reaches 0.6-0.7 MPa and the detected water temperature value reaches 40° C.-50° C., the controller (13) disconnects the power supply of the air pump (3).

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