CN109140762B - Electric water heater and control method - Google Patents
Electric water heater and control method Download PDFInfo
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- CN109140762B CN109140762B CN201811002138.XA CN201811002138A CN109140762B CN 109140762 B CN109140762 B CN 109140762B CN 201811002138 A CN201811002138 A CN 201811002138A CN 109140762 B CN109140762 B CN 109140762B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/18—Water-storage heaters
- F24H1/20—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes
- F24H1/201—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply
- F24H1/202—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply with resistances
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1818—Arrangement or mounting of electric heating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
- F24H9/2021—Storage heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H2250/00—Electrical heat generating means
- F24H2250/02—Resistances
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The embodiment of the invention discloses an electric water heater and a control method, relates to the field of electric water heaters, and solves the problem of unbalanced water demand in winter and summer. The specific scheme is as follows: the electric water heater comprises a shell, a controller positioned on the shell, at least three vertical inner containers arranged in the shell, a water inlet pipeline, a water outlet pipeline and electric heating pipes, wherein the inner container openings of the vertical inner containers are downward, the electric heating pipes are arranged in each vertical inner container of the at least three vertical inner containers, and the controller is respectively connected with each electric heating pipe; the pipe orifice of the water inlet pipeline and the pipe orifice of the water outlet pipeline are arranged on the liner arc surface at one end of each vertical liner, which is provided with a liner orifice; the water outlet pipe extends to the closed end of the vertical inner container from one end of the inner container opening of the vertical inner container. The embodiment of the invention is used in the heating process of the electric water heater.
Description
Technical Field
The embodiment of the invention relates to the field of electric water heaters, in particular to an electric water heater and a control method.
Background
The traditional electric water heater is usually a single inner container, and the inner container with large capacity is required to be selected in consideration of the comfort of bathing in winter, so that the bathing time in winter is longer. However, in summer, the hot water required for bathing is reduced, so that the hot water of the large-volume water heater is excessive, and the electricity consumption is wasted.
Disclosure of Invention
The invention provides an electric water heater and a control method thereof, which solve the problem of unbalanced water demand in winter and summer.
In order to achieve the purpose, the invention adopts the following technical scheme:
in a first aspect, the present invention provides an electric water heater, which may comprise: the water heater comprises a shell, a controller positioned on the shell, at least three vertical inner containers arranged in the shell, a water inlet pipeline, a water outlet pipeline and an electric heating pipe. Wherein, the liner opening of the vertical liner is downward, each vertical liner of at least three vertical liners is provided with an electric heating pipe, and the controller is respectively connected with each electric heating pipe; the pipe orifice of the water inlet pipeline and the pipe orifice of the water outlet pipeline are arranged on the liner arc surface at one end of each vertical liner, which is provided with a liner orifice; the water outlet pipe extends to the closed end of the vertical inner container from one end of the inner container opening of the vertical inner container.
With reference to the first aspect, in one possible implementation manner, at least three vertical type inner containers are connected in series; or at least three vertical inner containers are connected in parallel; or at least three vertical inner containers are connected in series by at least two vertical inner containers and are connected with other vertical inner containers in parallel.
With reference to the first aspect and the possible implementation manners described above, in another possible implementation manner, when at least three vertical inner containers are connected in series, the water inlet pipeline of the first vertical inner container is a water inlet pipeline of an electric water heater, the water outlet pipeline of the first vertical inner container is connected to the water inlet pipeline of the second vertical inner container, and so on until the water outlet pipeline of the last vertical inner container is a water outlet pipeline of the electric water heater.
With reference to the first aspect and the foregoing possible implementation manners, in another possible implementation manner, the electric water heater may further include: a flow sensor. The flow sensor is arranged at the pipe orifice of the water inlet pipeline of the first vertical liner, is connected with the controller and is used for detecting the water consumption of at least three vertical liners.
With reference to the first aspect and the foregoing possible implementation manners, in another possible implementation manner, when at least three vertical liners are connected in parallel, or at least three vertical liners are connected in series by using at least two vertical liners and connected in parallel with other vertical liners, the electric water heater may further include: a flow sensor and a water inlet solenoid valve. The flow sensor and the water inlet electromagnetic valve are arranged at the pipe orifice of the water inlet pipeline of the vertical liner and are connected with the controller; the flow sensor is used for detecting the water consumption of the vertical inner container; and the water inlet path electromagnetic valve is used for controlling whether water is fed or not.
With reference to the first aspect and the foregoing possible implementation manners, in another possible implementation manner, the electric water heater may further include: a temperature detecting blind pipe. Wherein, the temperature detecting blind pipe is arranged on the electric heating pipe, and a temperature sensor is arranged in the temperature detecting blind pipe and used for detecting the water temperature of the vertical inner container.
With reference to the first aspect and the foregoing possible implementation manners, in another possible implementation manner, the electric water heater may further include: a relay. The relay adopts a parallel connection mode, is connected with the controller and is used for controlling the on-off of the electric heating pipe.
In a second aspect, the present invention provides a control method for an electric water heater, where the method is applied to the electric water heater of the first aspect or any one of the possible implementation manners of the first aspect, and the method may include: acquiring the water temperature of each vertical inner container in at least three vertical inner containers; determining a current mode of the electric water heater, wherein the current mode is a common mode or a winter mode or a summer mode; if the current mode is the common mode, controlling an electric heating pipe of the first vertical inner container to start heating when the water temperature of the first vertical inner container is determined to be smaller than a first preset value until the water temperature of the first vertical inner container reaches the first preset value, wherein the first vertical inner container is any one of at least three vertical inner containers; if the current mode is a summer mode, determining corresponding first heating time according to the water temperature of each vertical inner container of at most two vertical inner containers, and controlling the electric heating pipes of the vertical inner containers to heat the corresponding first heating time; and if the current mode is the winter mode, determining corresponding second heating time according to the water temperature of each of the at least two vertical type inner containers, and controlling the electric heating pipes of the vertical type inner containers to heat the corresponding second heating time.
In a third aspect, an electric water heater is provided, comprising: at least one processor, a memory, a communication interface, and a communication bus. The processor is connected with the memory and the communication interface through the communication bus, the memory is used for storing computer execution instructions, and when the electric water heater runs, the processor executes the computer execution instructions stored in the memory, so that the electric water heater executes the control method of the electric water heater as the second aspect.
The electric water heater provided by the invention comprises at least three vertical inner containers with downward container mouths, and each vertical inner container is provided with the electric heating pipe, so that the electric heating pipes with corresponding quantity can be controlled to heat according to the use requirements of users, for example, in scenes with low water consumption, such as washing in the morning, bathing in summer and the like, the electric heating pipes of one vertical inner container can be controlled to heat, thereby realizing rapid heating in a short time and solving the problem of unbalanced water demand under different conditions.
Drawings
Fig. 1 is a schematic composition diagram of an electric water heater according to an embodiment of the present invention;
FIG. 2 is a schematic connection diagram of three vertical liners according to an embodiment of the present invention;
FIG. 3 is a schematic connection diagram of three vertical liners according to an embodiment of the present invention;
FIG. 4 is a schematic connection diagram of three vertical liners according to an embodiment of the present invention;
FIG. 5 is a schematic connection diagram of three vertical liners according to an embodiment of the present invention;
fig. 6 is a flowchart of a control method of an electric water heater according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic composition diagram of an electric water heater according to an embodiment of the present invention, and as shown in fig. 1, the electric water heater may include: the water heater comprises a shell 11, a controller 12 positioned on the shell 11, at least three vertical inner containers 13 arranged in the shell 11, a water inlet pipeline 14, a water outlet pipeline 15 and an electric heating pipe 16. In fig. 1, at least three vertical type inner containers 13 are illustrated as an example of three vertical type inner containers.
Wherein, the mouth of the vertical inner container 13 faces downwards, each vertical inner container of at least three vertical inner containers 13 is provided with an electric heating tube 16, and the controller 12 is respectively connected with each electric heating tube 16.
In a specific implementation, insulating layers are arranged between the outer shell 11 and the at least three vertical inner containers 13. The electric heating pipe can be fixed on the vertical inner container through the flange plate.
The pipe orifice of the water inlet pipeline 14 and the pipe orifice of the water outlet pipeline 15 are arranged on the liner arc surface at one end of each vertical liner 13 with the liner orifice. And a pipe orifice for mounting a magnesium rod is also arranged on the cambered surface of the inner container.
The water outlet pipeline 15 extends from one end of the liner opening of the vertical liner 13 to the closed end of the vertical liner 13.
The electric water heater provided by the invention comprises at least three vertical inner containers with downward container mouths, and each vertical inner container is provided with the electric heating pipe, so that the electric heating pipes with corresponding quantity can be controlled to heat according to the use requirements of users, for example, in scenes with low water consumption, such as washing in the morning, bathing in summer and the like, the electric heating pipes of one vertical inner container can be controlled to heat, thereby realizing rapid heating in a short time and solving the problem of unbalanced water demand under different conditions.
And, through set up a water outlet pipe way that one end deepened in the inner bag in every vertical inner bag separately, through a return bend of water inlet and outlet pipeline interface at the external connection of inner bag to switch on the inner bag, realize the purpose that increases the water storage capacity, because return bend and water piping connection are convenient, make convenient assembling, production efficiency is high. And a water outlet pipeline penetrating the other end of the whole inner container is arranged in the vertical inner container, when the adjacent inner containers are filled with water, the water enters the bottom of the inner container along the bent pipe and the water guide pipe and gradually rises to fill the inner container, the water in the inner containers sequentially circulates to other inner containers according to the above mode and is finally discharged by the water outlet pipeline, the mixed heating of the water in the plurality of inner containers is realized, and the vertical inner container has the advantages of high heating speed and high efficiency.
Further, in the embodiment of the present invention, at least three vertical liners 13 may be connected in series; or, at least three vertical inner containers 13 can also be connected in parallel; or, at least three vertical inner containers 13 can also be connected in series by at least two vertical inner containers and connected with other vertical inner containers in parallel.
In an exemplary embodiment of the present invention, an electric water heater including three vertical inner containers is described as an example. As shown in fig. 2, the connection schematic diagram of the three vertical inner containers connected in series is shown, specifically, from the right, the water inlet pipeline of the first vertical inner container is the main water inlet of the electric water heater, the water outlet pipeline of the first vertical inner container is connected with the water inlet pipeline of the second vertical inner container, the water outlet pipeline of the second vertical inner container is connected with the water inlet pipeline of the third vertical inner container, and the water outlet pipeline of the third vertical inner container is the main water outlet of the electric water heater. As shown in fig. 3, the connection schematic diagram of two vertical liners connected in series on the left side and one vertical liner connected in parallel on the right side is shown, specifically, from the right side, the water inlet pipeline of the first vertical liner is the water inlet of the liner, the water outlet pipeline of the first vertical liner is the water outlet of the liner, the water inlet pipeline of the second vertical liner is the total water inlet of the second and third vertical liners, the water outlet pipeline of the second vertical liner is connected with the water outlet pipeline of the third vertical liner, and the water outlet pipeline of the third vertical liner is the total water outlet of the second and third vertical liners. As shown in fig. 4, the connection schematic diagram is that two vertical liners on the right side are connected in series and connected in parallel with one vertical liner on the left side, specifically, from the right side, the water inlet pipeline of the first vertical liner is the main water inlet of the first and second vertical liners, the water outlet pipeline of the first vertical liner is connected with the water outlet pipeline of the second vertical liner, the water outlet pipeline of the second vertical liner is the main water outlet of the first and second vertical liners, the water inlet pipeline of the third vertical liner is the water inlet of the liner, and the water outlet pipeline of the third vertical liner is the water outlet of the liner. As shown in fig. 5, the connection diagram of three vertical liners connected in parallel is shown, and specifically, the water inlet pipeline and the water outlet pipeline of each vertical liner are respectively a water inlet and a water outlet.
Further, in the embodiment of the present invention, if at least three vertical inner containers 13 are connected in series, the electric water heater may further include: a flow sensor.
The flow sensor is arranged at the pipe orifice of the water inlet pipeline of the first vertical inner container, the pipe orifice is also provided with an external electricity-isolating wall, and the flow sensor and the external electricity-isolating wall can be integrated together to realize the integration of the device. The flow sensor is connected with the controller 12 and is used for detecting the water consumption of at least three vertical inner containers 13.
Further, in the embodiment of the present invention, if at least three vertical inner containers 13 are connected in parallel, or at least three vertical inner containers are connected in series by at least two vertical inner containers and connected in parallel with other vertical inner containers, the electric water heater may further include: a flow sensor and a water inlet solenoid valve.
Wherein, the flow sensor and the water inlet electromagnetic valve are arranged at the pipe orifice of the water inlet pipeline of the vertical inner container and are connected with the controller 12. The flow sensor is used for detecting the water consumption of the vertical inner container; and the water inlet path electromagnetic valve is used for controlling whether water is fed or not.
Further, in the embodiment of the present invention, the electric water heater may further include: a temperature detecting blind pipe.
Wherein, the temperature detecting blind pipe is arranged on the electric heating pipe 16, and a temperature sensor is arranged in the temperature detecting blind pipe and is used for detecting the water temperature of the vertical inner container.
Further, in the embodiment of the present invention, the electric water heater may further include: a relay.
The relay is connected in parallel with the controller 12, and is used for controlling the on/off of the electric heating tube 16 when a certain condition is met. For example, if the electric water heater includes three vertical liners, the electric heating tube of one vertical liner may correspond to one relay to control the on/off of the corresponding electric heating tube.
Further, in the embodiment of the present invention, the water inlet pipeline 14 has an umbrella structure, so that the pressure of the inlet water can be effectively relieved.
Further, in the embodiment of the present invention, the electric water heater may further include: display module and alarm. A display mode for displaying water temperature, current mode, power of the electric heating pipe, etc.; and the alarm is used for giving an alarm when the electric water heater breaks down or the heating reaches a preset value.
Further, in the embodiment of the present invention, the capacity of each vertical liner of the at least three vertical liners 13 may be between 10 liters and 25 liters, which is smaller than the capacity of a single liner of a conventional electric water heater. And the diameter of the inner container of each vertical inner container is between 180 millimeters and 280 millimeters. Further, for optimizing the capacity and the appearance volume of the electric water heater, the capacity of each vertical liner can be between 18 liters and 20 liters, and the diameter of each vertical liner can be between 220 millimeters and 240 millimeters.
Further, in the embodiment of the invention, if the number of the vertical inner containers included in the electric water heater is three, two hanging plates can be welded at the rear sides of the three vertical inner containers, and one hanging plate can be welded at the front sides of the three vertical inner containers.
Fig. 6 is a flowchart of a control method of an electric water heater according to an embodiment of the present invention, which is applied to the electric water heater shown in any one of fig. 1 to fig. 5, and as shown in fig. 6, the method may include:
201. and acquiring the water temperature of each vertical inner container in the at least three vertical inner containers.
After the electric water heater is started, the water temperature of the corresponding vertical inner container can be detected through the temperature detecting blind pipe arranged on the electric heating pipe of each vertical inner container in the at least three vertical inner containers.
202. The current mode of the electric water heater is determined.
The current mode may be a normal mode, a winter mode, or a summer mode, where the normal mode refers to a mode in which water consumption is large for a plurality of people to take a bath or a bathtub. After the electric water heater is started, the current mode set by a user can be determined.
203. If the current mode is the common mode, controlling the electric heating pipe of the first vertical inner container to start heating when the water temperature of the first vertical inner container is determined to be smaller than a first preset value until the water temperature of the first vertical inner container reaches the first preset value.
If the current mode is determined to be the common mode, the electric water heater can control the electric heating pipe of the first vertical inner container to start heating through the relay of the first vertical inner container when determining that any one of the at least three vertical inner containers is determined, and if the water temperature of the first vertical inner container is smaller than a first preset value set by a user, the electric water heater controls the corresponding electric heating pipe to stop heating through the relay until the water temperature of the first vertical inner container reaches the first preset value.
It should be noted that, in the embodiment of the present invention, if the water temperatures of all the vertical inner containers are less than the first preset value, the electric water heater may control the electric heating pipes of all the vertical inner containers to heat simultaneously, may also control the electric heating pipes of all the vertical inner containers to heat sequentially, or may control the electric heating pipes of at least two vertical inner containers to start heating first, and after the water temperatures reach the first preset value, control the electric heating pipes of other vertical inner containers to start heating.
204. If the current mode is a summer mode, determining corresponding first heating time according to the water temperature of each vertical inner container of at most two vertical inner containers, and controlling the electric heating pipes of the vertical inner containers to heat the corresponding first heating time.
If the current mode is determined to be the summer mode, the electric water heater can control at most two vertical inner containers to heat. Specifically, the electric water heater may first adopt the following formula according to the water temperature T1 of any one of at most two vertical liners, the pre-stored average water consumption m, the target preset temperature T2, the specific heat value C, and the power P of the electric heating tube: and (C) calculating corresponding first heating time A (T2-T1), and controlling the electric heating pipe of the vertical liner to heat the first heating time.
It should be noted that, in the embodiment of the present invention, the average water consumption m and the target preset temperature T2 may be pre-stored in the electric water heater according to actual situations. In a specific implementation, the temperature of the electric water heater after the heating is stopped every day in a period of summer can be collected, the average value of the temperatures is calculated to obtain the target preset temperature T2, the daily water consumption of the electric water heater can be collected, and the average value is calculated to obtain the average water consumption m.
205. And if the current mode is the winter mode, determining corresponding second heating time according to the water temperature of each of the at least two vertical type inner containers, and controlling the electric heating pipes of the vertical type inner containers to heat the corresponding second heating time.
Wherein the electric water heater can determine the second heating time with reference to the description of determining the first heating time in step 205.
It should be noted that, in the embodiment of the present invention, if the electric water heater includes three vertical inner containers, and the three vertical inner containers are connected in series, the vertical inner container of the water outlet pipeline can be set to be permanently heated, and the other two vertical inner containers can be selectively heated, so that when the electric water heater works, the electric heating tube of the vertical inner container of the water outlet pipeline can be controlled to be always heated. Or the electric water heater can also control the vertical inner container of the water outlet pipeline and the electric heating pipe of the middle vertical inner container to heat at the same time. Moreover, if the electric heating tube of the vertical inner container of the water inlet pipeline is controlled to heat, the electric heating tubes of the vertical inner container of the water outlet pipeline and the middle vertical inner container also need to heat.
According to the control method of the electric water heater, the current mode of the electric water heater can be determined, different heating modes are adopted in different modes, so that the electric water heater can control a corresponding number of electric heating pipes to heat according to the use requirements of users, for example, in scenes with low water consumption, such as washing in the morning, bathing in summer and the like, the electric heating pipes of the vertical inner container can be controlled to heat, so that rapid heating is realized in a short time, and the problem of unbalanced water demand under different conditions is solved.
Through the above description of the embodiments, it is clear to those skilled in the art that, for convenience and simplicity of description, the foregoing division of the functional modules is merely used as an example, and in practical applications, the above function distribution may be completed by different functional modules according to needs, that is, the internal structure of the device may be divided into different functional modules to complete all or part of the above described functions.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions within the technical scope of the present invention are intended to be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (5)
1. A control method of an electric water heater is applied to the electric water heater, and is characterized by comprising the following steps: the water heater comprises a shell, a controller positioned on the shell, at least three vertical inner containers, a water inlet pipeline, a water outlet pipeline and an electric heating pipe, wherein the at least three vertical inner containers, the water inlet pipeline, the water outlet pipeline and the electric heating pipe are arranged in the shell;
the opening of the vertical inner container faces downwards, the electric heating pipe is arranged in each vertical inner container of the at least three vertical inner containers, and the controller is connected with each electric heating pipe;
the pipe orifice of the water inlet pipeline and the pipe orifice of the water outlet pipeline are arranged on the liner arc surface at one end of each vertical liner, which is provided with a liner orifice; the water outlet pipe extends from one end of the liner opening of the vertical liner to the closed end of the vertical liner;
the at least three vertical inner containers are connected in series by at least two vertical inner containers and are connected with other vertical inner containers in parallel;
the electric water heater further comprises: a flow sensor and a water inlet solenoid valve;
the flow sensor and the water inlet electromagnetic valve are arranged at the pipe orifice of the water inlet pipeline of the vertical liner and are connected with the controller;
the flow sensor is used for detecting the water consumption of the vertical inner container;
the water inlet path electromagnetic valve is used for controlling whether water is fed or not;
acquiring the water temperature of each vertical inner container in at least three vertical inner containers;
determining a current mode of the electric water heater, wherein the current mode is a common mode or a winter mode or a summer mode;
if the current mode is the common mode, controlling the electric heating pipe of the first vertical inner container to start heating when the water temperature of the first vertical inner container is determined to be smaller than a first preset value, wherein the first vertical inner container is any one of the at least three vertical inner containers, and controlling the electric heating pipes of the at least three vertical inner containers to simultaneously heat or sequentially heat when the water temperature of each vertical inner container of the at least three vertical inner containers is smaller than the first preset value;
if the current mode is the summer mode, determining corresponding first heating time according to the water temperature of each vertical inner container of at most two vertical inner containers, and controlling the electric heating pipes of the vertical inner containers to heat the corresponding first heating time;
and if the current mode is the winter mode, determining corresponding second heating time according to the water temperature of each of the at least two vertical inner containers, and controlling the electric heating pipes of the vertical inner containers to heat the corresponding second heating time.
2. The control method of the electric water heater according to claim 1, wherein when the at least three vertical inner containers are connected in series, the water inlet pipeline of the first vertical inner container is the water inlet pipeline of the electric water heater, the water outlet pipeline of the first vertical inner container is connected to the water inlet pipeline of the second vertical inner container, and so on until the water outlet pipeline of the last vertical inner container is the water outlet pipeline of the electric water heater.
3. The control method of an electric water heater according to claim 2, further comprising: a flow sensor;
the flow sensor is arranged at the pipe orifice of the water inlet pipeline of the first vertical liner, is connected with the controller and is used for detecting the water consumption of the at least three vertical liners.
4. The control method of an electric water heater according to any one of claims 1-3, further comprising: a temperature detecting blind pipe;
the temperature detecting blind pipe is arranged on the electric heating pipe, and a temperature sensor is arranged in the temperature detecting blind pipe and used for detecting the water temperature of the vertical inner container.
5. The control method of an electric water heater according to claim 4, further comprising: a relay;
the relay is connected in parallel, connected with the controller and used for controlling the on-off of the electric heating pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811002138.XA CN109140762B (en) | 2018-08-30 | 2018-08-30 | Electric water heater and control method |
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| CN201811002138.XA CN109140762B (en) | 2018-08-30 | 2018-08-30 | Electric water heater and control method |
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| CN109140762A CN109140762A (en) | 2019-01-04 |
| CN109140762B true CN109140762B (en) | 2021-03-16 |
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| CN111692745A (en) * | 2020-06-03 | 2020-09-22 | 珠海格力电器股份有限公司 | Water storage type electric water heater and control method thereof |
| CN115200222B (en) * | 2022-07-22 | 2023-11-24 | 广东纽恩泰新能源科技发展有限公司 | Water heater control method, water heater, equipment and storage medium |
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| CN201093744Y (en) * | 2007-04-20 | 2008-07-30 | 梁荣顺 | Improved vitrified enamel inner container for electric water heater |
| GR20130100346A (en) * | 2013-06-12 | 2015-01-28 | Νεκταριος Παναγιωτη Ταλιαδουρος | Thermal hot water container |
| CN106382741A (en) * | 2016-10-27 | 2017-02-08 | 钟东明 | Fully-hidden type electric water heater |
| CN106766137B (en) * | 2017-01-16 | 2018-11-23 | 赵海慧 | A kind of Split type electric water heater |
| CN107642901A (en) * | 2017-05-16 | 2018-01-30 | 赵海慧 | A kind of electric heater |
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