Gas water heater, its control method and readable medium

Abstract

The present invention provides a gas water heater, its control method and a readable storage medium. The gas water heater includes: a heat source; a temperature detection device adapted to detect the temperature of the heat source and obtain a temperature signal; a circulation water pump; a power generation device electrically connected to the circulation water pump; and a controller communicatively connected to the temperature detection device. The controller is adapted to control the power generation device to turn on according to the temperature signal obtained by the temperature detection device, so that the power generation device converts the thermal energy from the heat source into electrical energy to supply power to the circulation water pump. By sending the detected temperature signal of the heat source to the controller through the temperature detection device, the controller turns on the power generation device according to the temperature signal, enabling the power generation device to convert thermal energy into electrical energy, so as to be able to supply power to the circulation water pump through the power generation device, thereby saving the electrical energy consumed by the circulation water pump.

Description

Technical Field

[0001] The present invention relates to the technical field of water heaters, and particularly to a gas water heater, its control method and a readable storage medium. Background Art

[0002] Among existing gas water heater products, many are zero - cold - water products, and most of the zero - cold - water products use a circulation pump for heating circulation. The electrical energy required by the water pump is directly supplied by the power supply of the gas water heater. However, this method also increases the power consumption, and in some areas where electricity is relatively expensive, it increases the user's usage cost. Summary of the Invention

[0003] Therefore, the technical problem to be solved by the present invention is to overcome the technical defect in the prior art that the circulation pump of the gas water heater is directly powered by the power supply, which easily causes power loss, so as to provide a gas water heater that can reduce power loss.

[0004] To solve the above - mentioned technical problem, a gas water heater provided by the present invention includes: a heat source; a temperature detection device adapted to detect the temperature of the heat source and obtain a temperature signal; a circulation water pump; a power generation device electrically connected to the circulation water pump; a controller communicatively connected to the temperature detection device, and the controller is adapted to control the power generation device to start according to the temperature signal obtained by the temperature detection device, so that the power generation device converts the thermal energy from the heat source into electrical energy to supply power to the circulation water pump.

[0005] Optionally, the gas water heater further includes: a circulation water path connected to the circulation water pump; wherein, the power generation device is arranged on the circulation water path.

[0006] Optionally, the power generation device is mutually attached to the outer surface of the circulation water path.

[0007] Optionally, the gas water heater further includes: a storage battery connected in parallel with the power generation device, and the storage battery is electrically connected to the circulation water pump to supply power to the circulation water pump.

[0008] Optionally, the heat source includes: a gas stove provided with a burner head; wherein, the power generation device is arranged above the burner head to obtain the thermal energy generated when the burner head is ignited.

[0009] Therefore, the technical problem to be solved by the present invention is to overcome the technical defect in the prior art that the circulation pump of the gas water heater is directly powered by the power supply, which easily causes power loss, so as to provide a control method for a gas water heater that can reduce power loss.

[0010] To solve the above technical problems, a control method for a gas water heater provided by the present invention includes: obtaining a temperature signal of a heat source; controlling a power generation device to be turned on according to the temperature signal, so that the power generation device converts the heat energy from the heat source into electrical energy to supply power to a circulation pump.

[0011] Optionally, controlling the power generation device to be turned on according to the temperature signal, so that the power generation device converts the heat energy from the heat source into electrical energy to supply power to the circulation pump, specifically includes: when the zero cold water mode is not started, turning on the power generation device according to the temperature signal, so that the electrical energy generated by the power generation device charges a storage battery; when the zero cold water mode is started, controlling the storage battery and / or the power generation device to supply power to the circulation pump.

[0012] Optionally, the control method for the gas water heater further includes: when the zero cold water mode is not started, controlling the circulation pump to start every first time interval and continue for a second time, where the first time is greater than the second time.

[0013] Optionally, the control method for the gas water heater further includes: obtaining the start time of the heat source;

[0014] When the start time of the heat source exceeds a preset time, the zero cold water mode is turned off, and the circulation pump is controlled to start every third time interval and continue for a fourth time; where the third time is greater than the fourth time.

[0015] Therefore, the technical problem to be solved by the present invention is to overcome the technical defect that the circulation pump of the gas water heater in the prior art is directly powered by a power supply, which easily causes power loss, so as to provide a computer-readable storage medium that can reduce power loss.

[0016] To solve the above technical problems, a computer-readable storage medium provided by the present invention is characterized in that a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, it implements any one of the control methods for the gas water heater.

[0017] The technical solution of the present invention has the following advantages:

[0018] 1. For the gas water heater provided by the present invention, the temperature signal of the heat source detected by the temperature detection device is sent to the controller, and the controller turns on the power generation device according to the temperature signal, so that the power generation device converts heat energy into electrical energy, so as to be able to supply power to the circulation pump 2 through the power generation device, thereby saving the electrical energy consumed by the circulation pump.

[0019] 2. For the gas water heater provided by the present invention, by setting the storage battery in parallel with the power generation device, energy can be further saved.

[0020] 3. The control method of the gas water heater provided by the present invention controls the circulation water pump to start every first time interval and continue for a second time when the zero cold water mode is not started, where the first time is greater than the second time, so as to avoid shortening the service life of the circulation water path due to too high temperature for a long time. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0022] Figure 1 The block diagram of the gas water heater provided by an embodiment of the present invention;

[0023] Figure 2 The working principle diagram of the gas water heater provided by an embodiment of the present invention;

[0024] Figure 3 The front view structural diagram of the gas water heater provided by an embodiment of the present invention;

[0025] Figure 4 The top view structural diagram of the gas water heater provided by an embodiment of the present invention;

[0026] Figure 5 The three-dimensional structural diagram of the gas water heater provided by an embodiment of the present invention.

[0027] Description of the reference numerals:

[0028] 1 - Temperature detection device; 2 - Circulation water pump; 3 - Power generation device; 4 - Controller;

[0029] 5 - Circulation water path; 6 - Burner head. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0030] The technical solutions of the present invention will be clearly and completely described below with reference to the drawings. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the scope of protection of the present invention.

[0031] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. These are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present invention. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0032] In the description of the present invention, it should be noted that unless otherwise clearly specified and defined, the terms "mounted", "connected", "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0033] In addition, the technical features involved in different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0034] Embodiment 1

[0035] As Figure 1 and Figure 3 shown, a gas water heater includes: a heat source, a temperature detection device 1, a circulation water pump 2, a power generation device 3, and a controller 4. The temperature detection device 1 is adapted to detect the temperature of the heat source and obtain a temperature signal. The power generation device 3 is electrically connected to the circulation water pump 2, and the controller 4 is communicatively connected to the temperature detection device 1. The controller 4 is adapted to control the power generation device 3 to start according to the temperature signal obtained by the temperature detection device 1, so that the power generation device 3 converts the thermal energy from the heat source into electrical energy to supply power to the circulation water pump 2.

[0036] The above temperature detection device 1 can be a thermocouple or other temperature detection elements. The temperature detection device 1 sends the detected temperature signal of the heat source to the controller 4. The controller 4 turns on the power generation device 3 according to the temperature signal, so that the power generation device 3 converts thermal energy into electrical energy, so as to be able to supply power to the circulation water pump 2 through the power generation device 3, thereby saving the power consumption of the circulation water pump 2 and saving energy. After the circulation water pump 2 starts, it can circulate and heat the water circuit. Among them, a part of the electrical energy required by the circulation water pump also comes from direct power supply by the power source, and this gas water heater has a zero cold water mode.

[0037] Further, the gas water heater further includes: a circulating water path 5, the circulating water path 5 is connected to the circulating water pump 2; wherein, the power generation device 3 is disposed on the circulating water path 5.

[0038] The above-mentioned circulating water path 5 is connected to the water inlet and outlet of the circulating water pump 2 to heat the circulating water path 5 through the circulating water pump 2. A section of the circulating water path 5 can be arranged above the heat source. A ring of power generation device 3 capable of thermoelectric generation is also installed on the outer wall of the water pipe of this section of the circulating water path 5 above the heat source. The power generation device 3 is connected to the circulating water pump 2 of the gas water heater, so that thermal energy is converted into mechanical energy for the operation of the circulating water pump 2 of the gas water heater to promote the circulation of the water in the circulating water path 5. By arranging the power generation device 3 on the circulating water path 5, the heat generated during the operation of the power generation device 3 after startup can also heat the circulating water path 5, thereby further achieving the effect of energy saving.

[0039] Specifically, the power generation device 3 is in close contact with the outer surface of the circulating water path 5. It can be understood that the circulating water path 5 passes through the power generation device 3, so that the power generation device 3 can better exchange heat with the cold water in the circulating water path 5 to further save energy.

[0040] Further, the gas water heater further includes: a storage battery, the storage battery is connected in parallel with the power generation device 3, and the storage battery is electrically connected to the circulating water pump 2 to supply power to the circulating water pump 2.

[0041] In the above-mentioned gas water heater, when the user does not start the zero cold water mode, after the power generation device 3 obtains the thermal energy of the heat source to generate electric energy, the electric energy of the power generation device 3 at this time directly enters the storage battery for storage, rather than being connected to the circulating water pump 2. When the zero cold water mode is started, but the heat source is not started, at this time, the electric energy in the storage battery is preferentially supplied to the circulating water pump 2 for circulation, and at the same time, the heating function of the gas water heater is started to heat the water in the pipeline, thereby achieving the purpose of saving energy.

[0042] Further, the heat source includes: a gas stove, and the gas stove is provided with a burner 6; wherein, the power generation device 3 is disposed above the burner to obtain the thermal energy generated by the burner during ignition. Since the time of using the water heater is mostly after three meals, and most of them use gas stove products for cooking, therefore, the thermal energy generated by the flue gas of the gas stove can be fully utilized, achieving the utilization of the thermal energy of the gas stove.

[0043] Embodiment 2

[0044] As Figure 3 shown, a control method of a gas water heater includes:

[0045] Step S101: Obtain the temperature signal of the heat source;

[0046] Step S103: Control the power generation device 3 to start according to the temperature signal, so that the power generation device 3 converts the thermal energy from the heat source into electrical energy to supply power to the circulation water pump 2.

[0047] For the above heating control method of the gas water heater, when the heat source is turned on, the power generation device 3 is turned on by obtaining the temperature signal of the heat source, so that the power generation device 3 can convert the thermal energy of the heat source into the electrical energy output by the power generation device 3, and the electrical energy is input to the circulation water pump for power supply, which can save the power consumption of the circulation water pump 2 for the power supply, thereby saving energy. Among them, after the circulation water pump 2 starts, it can circulate and heat the water circuit.

[0048] Further, controlling the power generation device 3 to start according to the temperature signal, so that the power generation device 3 converts the thermal energy from the heat source into electrical energy to supply power to the circulation water pump 2 specifically includes:

[0049] Step S201: When the zero cold water mode is not started, turn on the power generation device 3 according to the temperature signal, so that the electrical energy generated by the power generation device 3 charges the storage battery;

[0050] Step S203: When the zero cold water mode is started, control the storage battery and / or the power generation device 3 to supply power to the circulation water pump 2.

[0051] When the user does not start the zero cold water mode, after the power generation device 3 obtains the thermal energy of the heat source to generate electrical energy, the electrical energy of the power generation device 3 at this time directly enters the storage battery for storage, rather than being connected to the circulation water pump 2. When the zero cold water mode is started but the heat source is not started, at this time, the electrical energy in the storage battery is preferentially supplied to the circulation water pump 2 for circulation, and at the same time, the heating function of the gas water heater is started to heat the water in the pipeline, so as to achieve the purpose of saving energy.

[0052] Further, the control method of the gas water heater further includes: when the zero cold water mode is not started, control the circulation water pump to start every first time interval and last for a second time, wherein the first time is greater than the second time.

[0053] When the zero cold water mode of the gas water heater is not started and the gas stove is used, the heat generated by the gas stove will heat the circulation water circuit 5 above the gas stove. In order to prevent the circulation water circuit 5 from being in a high temperature state for a long time, at this time, the circulation water pump 2 should be controlled to turn on and then turn off. For example, the first time can be 15 seconds and the second time can be set to 3 seconds. Then, the circulation water pump 2 should start for about 3 seconds every 15 seconds to avoid shortening the life of the circulation water circuit 5 due to too high temperature for a long time.

[0054] The control method of the gas water heater further includes:

[0055] Step S301: Obtain the start time of the heat source;

[0056] Step S303: When the activation time of the heat source exceeds the preset time, turn off the zero cold water mode and control the circulation water pump to start every third time and last for a fourth time; where the third time is greater than the fourth time.

[0057] When the user uses the gas stove for a long time, the circulation water pump 2 will not always be started for heating, so as to avoid continuous use of the circulation water pump 2 and heating the water heater when the water heater is not needed, thus causing waste. Therefore, a preset time for the activation of the heat source is set, and when the activation time of the heat source exceeds the preset time, the zero cold water mode of the gas water heater is turned off. For example, assuming that the preset time is 10 minutes, the third time is 10 seconds, and the fourth time is 3 seconds, then when the gas stove is continuously used for more than 10 minutes, the zero cold water mode will be automatically paused in the subsequent time, and then the circulation water pump 2 will be started every 10 seconds and last for 3 seconds. All the above interval times, such as 10 seconds or 15 seconds, and the 3 - second start time of the water pump can be adjusted according to the change of the pipeline material.

[0058] Embodiment 3

[0059] A computer - readable storage medium has a computer program stored thereon. When the computer program is executed by a processor, it implements the control method of the gas water heater according to any one of the above.

[0060] Those skilled in the art can understand that to implement all or part of the processes in the above - described embodiment methods, it can be completed by instructing relevant hardware through a computer program. The program can be stored in a computer - readable storage medium. When the program is executed, it can include the processes of the above - described method embodiments. Among them, the storage medium can be a magnetic disk, an optical disk, a read - only memory (ROM), a random access memory (RAM), a flash memory, a hard disk drive (HDD), or a solid - state drive (SSD), etc.; the storage medium can also include a combination of the above - mentioned types of memories.

[0061] Obviously, the above - mentioned embodiments are only examples for clear illustration and not limitations on the implementation manners. For those of ordinary skill in the art, other different forms of changes or variations can be made based on the above description. It is not necessary and impossible to enumerate all the implementation manners here. And the obvious changes or variations derived therefrom are still within the protection scope of the present invention.

Claims

1. A control method for a gas water heater, characterized in that Including: Obtaining a temperature signal of a heat source; Controlling the power generation device (3) to turn on according to the temperature signal, so that the power generation device (3) converts the heat energy from the heat source into electrical energy to supply power to the circulation water pump (2); Controlling the power generation device (3) to turn on according to the temperature signal, so that the power generation device (3) converts the heat energy from the heat source into electrical energy to supply power to the circulation water pump (2), specifically including: When the zero cold water mode is not started, the power generation device (3) is turned on according to the temperature signal, so that the electrical energy generated by the power generation device (3) charges the storage battery; When the zero cold water mode is started, controlling the storage battery and / or the power generation device (3) to supply power to the circulation water pump (2); The gas water heater includes: A heat source; A temperature detection device (1) adapted to detect the temperature of the heat source and obtain a temperature signal; A circulation water pump (2); A power generation device (3) electrically connected to the circulation water pump (2); A controller (4) communicatively connected to the temperature detection device (1), and the controller (4) is adapted to control the power generation device (3) to turn on according to the temperature signal obtained by the temperature detection device (1), so that the power generation device (3) converts the heat energy from the heat source into electrical energy to supply power to the circulation water pump (2).

2. The control method of the gas water heater according to claim 1, characterized in that, It further includes: When the zero cold water mode is not started, controlling the circulation water pump to start every first time interval and last for a second time, where the first time is greater than the second time.

3. The control method of the gas water heater according to claim 1, characterized in that It further includes: Obtaining the start time of the heat source; When the start time of the heat source exceeds a preset time, turning off the zero cold water mode and controlling the circulation water pump to start every third time interval and last for a fourth time; Wherein, the third time is greater than the fourth time.

4. A computer-readable storage medium, characterized in that, A computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, it implements the control method of the gas water heater according to any one of claims 1 to 3.

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