CN115342526A - Control method and device of water heater - Google Patents
Control method and device of water heater Download PDFInfo
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- CN115342526A CN115342526A CN202210877551.0A CN202210877551A CN115342526A CN 115342526 A CN115342526 A CN 115342526A CN 202210877551 A CN202210877551 A CN 202210877551A CN 115342526 A CN115342526 A CN 115342526A
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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
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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
- F24H15/00—Control of fluid heaters
- F24H15/10—Control of fluid heaters characterised by the purpose of the control
- F24H15/14—Cleaning; Sterilising; Preventing contamination by bacteria or microorganisms, e.g. by replacing fluid in tanks or conduits
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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
- F24H15/00—Control of fluid heaters
- F24H15/20—Control of fluid heaters characterised by control inputs
- F24H15/212—Temperature of the water
- F24H15/215—Temperature of the water before heating
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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
- F24H15/00—Control of fluid heaters
- F24H15/20—Control of fluid heaters characterised by control inputs
- F24H15/212—Temperature of the water
- F24H15/219—Temperature of the water after heating
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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
- F24H15/00—Control of fluid heaters
- F24H15/20—Control of fluid heaters characterised by control inputs
- F24H15/238—Flow rate
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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
- F24H15/00—Control of fluid heaters
- F24H15/40—Control of fluid heaters characterised by the type of controllers
- F24H15/414—Control of fluid heaters characterised by the type of controllers using electronic processing, e.g. computer-based
- F24H15/421—Control of fluid heaters characterised by the type of controllers using electronic processing, e.g. computer-based using pre-stored data
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- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Computer Hardware Design (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The application relates to a control method and a control device of a water heater, wherein the method comprises the following steps: acquiring the working state of the water heater; if the working state of the water heater is a water cut-off state, acquiring water quality information of the water heater; judging whether the water quality information meets a preset water quality condition; and if the water quality information meets the preset water quality condition, outputting an inner container cleaning prompt signal. The embodiment of the application realizes that the water heater is in a water-cut-off state by acquiring the still water quality information capable of reflecting the pollution degree of the inner container, and outputs the inner container cleaning prompt signal in time when the current water quality information meets the preset water quality condition, thereby achieving the purpose of accurately prompting the cleaning of the inner container.
Description
Technical Field
The application relates to the technical field of water heater cleaning reminding, in particular to a control method and device of a water heater.
Background
At present, along with the long-time use of the electric water heater, impurities such as water scales and the like can be deposited in the inner container, and the water quality can be slowly deteriorated. Generally, an electric water heater has a function of regularly reminding maintenance, and regularly displays maintenance information to remind a user of cleaning an inner container.
However, because the water quality of water sources at different places is different, the pollution degree of the inner container is also different, regular display of maintenance information cannot remind a user of cleaning the inner container at correct time, if the water quality of the local water source is poor, the deposited scale in the inner container is serious compared with the predicted degree, and the poor water quality can reduce the service life of the electric water heater and influence the bathing health of the user under the condition that the reminding time is not reached.
Disclosure of Invention
The application aims at the defects of the prior art and provides a control method and a control device of a water heater, and the technical problem that the inner container cleaning reminding time is inaccurate in the prior art is solved.
In a first aspect, an embodiment of the present application provides a control method for a water heater, where the method includes: acquiring the working state of the water heater; if the working state of the water heater is a water cut-off state, acquiring water quality information of the water heater; judging whether the water quality information meets a preset water quality condition or not; and if the water quality information meets the preset water quality condition, outputting an inner container cleaning prompt signal.
As an optional implementation manner, the water heater includes a water inflow sensor disposed on the water inlet pipe, and the obtaining of the working state of the water heater includes: collecting the current water inflow flow through the water inflow sensor; if the current inlet water flow is larger than or equal to a preset water flow threshold value, judging that the working state of the water heater is a water passing state; and if the current water inflow flow is smaller than a preset water cut-off flow threshold value, judging that the working state of the water heater is a water cut-off state.
As an optional implementation manner, the water heater further includes an inlet water temperature sensor disposed on the inlet pipe and an outlet water temperature sensor disposed on the outlet pipe, and the acquiring of the operating state of the water heater includes: respectively acquiring an outlet water temperature sequence and an inlet water temperature sequence through the outlet water temperature sensor and the inlet water temperature sensor; if the outlet water temperature sequence meets a preset temperature reduction rule and the outlet water temperature reduction is greater than or equal to a preset temperature reduction threshold, judging that the working state of the water heater is a water cut-off state; and if the outlet water temperature sequence meets a preset temperature rising rule and the outlet water rising temperature is greater than or equal to a preset temperature rising threshold value, judging that the working state of the water heater is a water-passing state.
As an optional implementation manner, the water heater includes an inlet water quality detection device disposed on the inlet pipe and an outlet water quality detection device disposed on the outlet pipe, the water quality information includes inlet water quality and outlet water quality, and the determining whether the water quality information satisfies a preset water quality condition includes: if the water quality difference value between the effluent water quality and the influent water quality is greater than or equal to a preset water quality threshold value, judging that the water quality information meets a preset water quality condition; and if the water quality difference value between the effluent quality and the influent quality is smaller than a preset water quality threshold, the water quality information does not meet the preset water quality condition.
As an optional implementation mode, the water heater further comprises an inlet water temperature sensor arranged on the inlet pipe and an outlet water temperature sensor arranged on the outlet pipe; before the water quality information of the water heater is collected, the method further comprises the following steps: respectively acquiring the current water outlet temperature and the current water inlet temperature through the water outlet temperature sensor and the water inlet temperature sensor; and if the absolute value of the difference value between the current water outlet temperature and the current water inlet temperature is less than or equal to a preset water temperature difference value threshold value, executing the step of acquiring the water quality information of the water heater.
As an optional implementation manner, the water heater includes an effluent water quality detection device disposed on the water outlet pipe, the water quality information includes effluent water quality, and the determining whether the water quality information satisfies a preset water quality condition includes: if the quality of the continuous water with the preset number is equal and the quality of the water is greater than or equal to a preset inner container clear water indicating value, judging that the water quality information meets a preset water quality condition; if the quality of the continuous water outlet with the preset number is not equal or the quality of the water outlet is less than the preset inner container clear liquid indicating value, and judging that the water quality information does not meet the preset water quality condition.
In a second aspect, an embodiment of the present application provides a control device for a water heater, the device including: the acquisition module is used for acquiring the working state of the water heater; the water quality information acquisition module is used for acquiring the water quality information of the water heater if the working state of the water heater is a water cut-off state; the judging module is used for judging whether the water quality information meets the preset water quality condition or not; and the output module is used for outputting an inner container cleaning prompt signal if the water quality information meets the preset water quality condition.
As an optional implementation manner, the water heater includes an inflow sensor disposed on the water inlet pipe, and the obtaining module is specifically configured to: acquiring the current water inflow rate through the water inflow rate sensor; if the current water inlet flow is larger than or equal to a preset water flow threshold value, judging that the working state of the water heater is a water flow state; and if the current water inflow flow is smaller than a preset water cut-off flow threshold value, judging that the working state of the water heater is a water cut-off state.
As an optional implementation manner, the water heater further includes an inlet water temperature sensor disposed on the inlet pipe and an outlet water temperature sensor disposed on the outlet pipe, and the obtaining module is specifically configured to: respectively acquiring an outlet water temperature sequence and an inlet water temperature sequence through the outlet water temperature sensor and the inlet water temperature sensor; if the outlet water temperature sequence meets a preset temperature reduction rule and the outlet water temperature reduction is greater than or equal to a preset temperature reduction threshold, judging that the working state of the water heater is a water cut-off state; and if the outlet water temperature sequence meets a preset temperature rising rule and the outlet water rising temperature is greater than or equal to a preset temperature rising threshold, judging that the working state of the water heater is a water-passing state.
As an optional implementation mode, the water heater includes the quality of water detection device of intaking that sets up on the inlet tube and the play water quality of water detection device of setting on the outlet pipe, quality of water information includes the quality of water of intaking and goes out water quality of water, the judgement module specifically is used for: if the water quality difference value between the effluent water quality and the influent water quality is greater than or equal to a preset water quality threshold value, judging that the water quality information meets a preset water quality condition; and if the water quality difference value between the effluent quality and the influent quality is smaller than a preset water quality threshold, the water quality information does not meet the preset water quality condition.
The application provides a control method and a control device of a water heater, and the technical scheme provided by the embodiment of the application at least has the following beneficial effects:
the water heater is in a water cut-off state through acquiring the still water quality information capable of reflecting the pollution degree of the inner container, and when the current water quality information meets the preset water quality condition, an inner container cleaning prompt signal is timely output, so that the aim of accurately prompting to clean the inner container is fulfilled.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic flow chart of a control method of a water heater according to an embodiment of the present disclosure;
fig. 2 is a schematic flowchart illustrating a specific step of step S1 in a control method of a water heater according to an embodiment of the present application;
fig. 3 is a schematic flowchart illustrating a specific step of step S1 in a control method of a water heater according to another embodiment of the present application;
fig. 4 is a schematic flowchart illustrating a specific step in step S3 in a control method of a water heater according to an embodiment of the present application;
FIG. 5 is a flow chart illustrating a method for controlling a water heater according to another embodiment of the present application;
fig. 6 is a schematic flowchart illustrating a specific step of step S3 in a control method of a water heater according to another embodiment of the present application;
fig. 7 is a schematic frame diagram of a structure of a control device of a water heater according to an embodiment of the present application.
Reference numerals and corresponding description:
100: an acquisition module;
200: a water quality information acquisition module;
300: a judgment module;
400: and an output module.
Detailed Description
Reference will now be made in detail to the present application, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar parts or parts having the same or similar functions throughout. In addition, if a detailed description of the known art is not necessary for illustrating the features of the present application, it is omitted. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
It will be understood by those within the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Further, "connected" as used herein may include wirelessly connected.
The terms appearing in the embodiments of the present application are explained below:
TDS: total dissolved solids, abbreviated as Total dissolved solids, also known as Total dissolved solids, is measured in milligrams per liter and indicates how many milligrams of dissolved solids are dissolved in 1 liter of water. Higher TDS values indicate more solutes in the water. Total dissolved solids refers to the total amount of total solutes in the water, including both inorganic and organic content. Generally, the salt content of the solution is known approximately by the conductivity value, and generally, the higher the conductivity, the higher the salt content, and the higher the TDS. Among inorganic substances, there may be inorganic substances in molecular form in addition to components dissolved in ionic form. Since organic matter and inorganic matter in molecular form contained in natural water are not generally considered, the salt content is generally referred to as total dissolved solids.
The embodiment of the application provides a control method of a water heater, and as shown in fig. 1, the method mainly comprises the following steps of S1-S4:
step S1: and acquiring the working state of the water heater.
Step S2: and if the working state of the water heater is a water cut-off state, acquiring the water quality information of the water heater.
And step S3: and judging whether the water quality information meets the preset water quality condition.
And step S4: and if the water quality information meets the preset water quality condition, outputting an inner container cleaning prompt signal.
In one possible embodiment, the water heater mainly comprises a shell, an inner container, a water inlet pipe and a water outlet pipe; the water heater comprises a shell, a water inlet pipe, a water outlet pipe and a sensor, wherein the inner container is assembled in the shell and used for storing water, one end of the water inlet pipe and one end of the water outlet pipe extend into the inner container respectively, the other end of the water inlet pipe and the other end of the water outlet pipe are communicated with a water pipe outside the shell, and the water inlet pipe and the water outlet pipe are respectively provided with a sensor for acquiring parameters and used for determining the working state and the water quality information of the water heater. The working state of the water heater comprises a water supply state and a water cut-off state, the water supply state is a water supply stage for a user, and water in the inner container, the water inlet pipe and the water outlet pipe is flowing water; the water-cut-off state is that the user finishes using water, and the water in the inner container, the water inlet pipe and the water outlet pipe is standing water.
The embodiment of the application provides a control method of a water heater, which can acquire still water quality information capable of reflecting the pollution degree of an inner container by acquiring that the water heater is in a water-cut-off state, and can timely output an inner container cleaning prompt signal when the current water quality information meets a preset water quality condition, so as to achieve the purpose of accurately prompting to clean the inner container.
As an optional implementation manner, the water heater includes an inflow sensor disposed on the water inlet pipe, as shown in fig. 2, the aforementioned step S1 of obtaining the working state of the water heater mainly includes steps S11-S13:
step S11: and collecting the current water inflow flow through the water inflow flow sensor.
Step S12: and if the current water inflow rate is greater than or equal to the preset water flow threshold, judging that the working state of the water heater is a water flow state.
Step S13: and if the current water inflow flow is smaller than a preset water cut-off flow threshold value, judging that the working state of the water heater is a water cut-off state.
In one possible embodiment, the working state of the water heater can be judged through the change of the water inlet flow, and the water flow is larger when a user uses water; the water flow of the user at the end of water use is smaller than the water flow of the water use stage; the water heater can collect the inlet water flow sequence of the water heater in a preset first collection period after being electrified.
Optionally, the preset water flow threshold is 1 liter per minute.
Optionally, the preset water cut-off flow threshold is 0.5 liters per minute.
As an optional implementation manner, the water heater further includes an inlet water temperature sensor disposed on the inlet pipe and an outlet water temperature sensor disposed on the outlet pipe, as shown in fig. 3, the aforementioned step S1 obtains the working state of the water heater, and includes S14-S16:
step S14: and respectively acquiring an outlet water temperature sequence and an inlet water temperature sequence by an outlet water temperature sensor and an inlet water temperature sensor.
Step S15: and if the outlet water temperature sequence meets a preset cooling rule and the outlet water temperature is greater than or equal to a preset temperature reduction threshold, judging that the working state of the water heater is a water cut-off state.
Step S16: and if the outlet water temperature sequence meets a preset temperature rising rule and the outlet water rising temperature is greater than or equal to a preset temperature rising threshold value, judging that the working state of the water heater is a water-passing state.
In one possible embodiment, the working state of the water heater can be judged through the change of the outlet water temperature, and the outlet water temperature is higher than the inlet water temperature in the water using stage of a user; after the user finishes using water, the temperature of the outlet water is gradually reduced; the water heater can respectively acquire the water outlet temperature sequence and the water inlet temperature sequence in a preset second acquisition period after being electrified.
And if the continuous preset number of the outlet water temperatures in the outlet water temperature sequence are reduced, determining that the water is cooled, acquiring the maximum outlet water temperature and the minimum outlet water temperature in the preset number of the outlet water temperatures, taking the temperature difference value between the maximum outlet water temperature and the minimum outlet water temperature as the outlet water reduced temperature, comparing the outlet water reduced temperature with a preset reduced temperature threshold, and if the outlet water reduced temperature is greater than or equal to the preset reduced temperature threshold, judging that the working state of the water heater is a water cut-off state.
And if the continuous preset number of outlet water temperatures in the outlet water temperature sequence are increased, determining the temperature rise of the outlet water, acquiring the maximum outlet water temperature and the minimum outlet water temperature in the preset number of outlet water temperatures, taking the temperature difference value between the maximum outlet water temperature and the minimum outlet water temperature as the outlet water rising temperature, comparing the outlet water rising temperature with a preset rising temperature threshold, and if the outlet water falling temperature is greater than or equal to the preset rising temperature threshold, judging that the working state of the water heater is a water-passing state.
Through judging the water supply state of the water heater, the water in the inner container can be ensured to flow out to the water outlet pipe, and through judging the water cut-off state, the water in the water outlet pipe can be ensured to be in the standing state during water quality detection, so that the water reflecting the water quality of the inner container can be detected at the water outlet pipe, and the accuracy of the detected water quality information can be improved. Due to the risk of faults of the flow sensor and the temperature sensor, a controller of the water heater cannot judge whether the flow sensor is damaged or not. The sensor in the embodiment of the application adopts the thermistor sensor, and the health state of the temperature sensor can be judged by detecting the resistance value of the thermistor through the existing detection circuit, for example, the resistance value of the normal thermistor is a fixed value; when the temperature sensor is short-circuited, the resistance value of the thermistor becomes 0; when the temperature sensor is turned off, the resistance value of the thermistor becomes infinite. In order to judge the water-break state of the water heater, the water-break state of the water heater can be judged by one of the change of the water outlet temperature and the change of the water inlet flow, so that the water-break state of the water heater cannot be judged after the flow sensor is damaged or the temperature sensor is damaged.
As an optional implementation manner, the water heater includes an inlet water quality detection device disposed on the inlet pipe and an outlet water quality detection device disposed on the outlet pipe, the water quality information includes inlet water quality and outlet water quality, as shown in fig. 4, the step S3 of determining whether the water quality information satisfies the preset water quality condition includes steps S31 to S32:
step S31: and if the water quality difference value between the effluent water quality and the influent water quality is greater than or equal to a preset water quality threshold value, judging that the water quality information meets the preset water quality condition.
Step S32: and if the water quality difference value between the effluent water quality and the influent water quality is smaller than a preset water quality threshold value, the water quality information does not meet the preset water quality condition.
In one possible embodiment, whether a preset water quality condition is met or not is determined through water quality information detected by a water inlet quality detection device arranged on a water inlet pipe and a water outlet quality detection device arranged on a water outlet pipe, and whether a liner cleaning prompt signal is output or not can be determined by judging whether the water quality information meets the preset water quality condition or not; because the water quality of water sources in various places is different, the pollution degree of water in the liner can be reflected by the difference value of the water quality of inlet water and the water quality of outlet water, namely the smaller the pollution degree is, the smaller the difference value of the water quality of outlet water and the water quality of inlet water is; on the contrary, the greater the pollution degree is, the greater the water quality difference between the effluent water quality and the influent water quality is, if the pollution degree is greater, the liner needs to be cleaned, that is, if the water quality difference between the effluent water quality and the influent water quality is greater than or equal to the preset water quality threshold, the water quality information is judged to meet the preset water quality condition (the water quality condition of the liner needs to be cleaned).
Optionally, the inlet water quality detection device and the outlet water quality detection device are both TDS (Total dissolved solids) sensors.
As an optional implementation manner, the water heater further comprises an inlet water temperature sensor arranged on the inlet pipe and an outlet water temperature sensor arranged on the outlet pipe; as shown in fig. 5, before collecting the water quality information of the water heater, the method further comprises steps S5-S6:
step S5: the current water outlet temperature and the current water inlet temperature are respectively acquired through a water outlet temperature sensor and a water inlet temperature sensor.
Step S6: and if the absolute value of the difference value between the current water outlet temperature and the current water inlet temperature is smaller than or equal to a preset water temperature difference value threshold, executing the step of acquiring the water quality information of the water heater.
Based on the foregoing embodiment, a possible embodiment is provided, where the water temperature affects the accuracy of the water quality detection value, and therefore, in order to eliminate the influence of the water temperature factor, when it is determined that the absolute value of the difference between the current outlet water temperature and the current inlet water temperature is less than or equal to the preset water temperature difference threshold, and the current outlet water temperature and the current inlet water temperature are both not 0, the step of acquiring the water quality information of the water heater is performed, so that the detection result of the water quality information is more accurate.
As an optional implementation manner, the water heater includes an effluent quality detection device disposed on the water outlet pipe, the water quality information includes effluent quality, as shown in fig. 6, the foregoing step S3 determines whether the water quality information satisfies the preset water quality condition, and includes steps S33-S34:
step S33: and if the quality of the continuous water with the preset number is equal and the quality of the water is greater than or equal to the preset inner container clear water indicating value, judging that the water quality information meets the preset water quality condition.
Step S34: and if the quality of the continuous water with the preset number is different or the quality of the water is less than a preset inner container clear liquid indicating value, judging that the water quality information does not meet the preset water quality condition.
In a possible embodiment, when the water inlet temperature sensor or the water outlet temperature sensor is damaged and the above steps cannot be executed, or the water inlet temperature sensor or the water outlet temperature sensor is not provided based on the limitation of the detection devices on the water inlet pipe and the water outlet pipe and the cost limitation, or the water heater only has the water quality detection device, the water quality of the water can be equal to a preset number of water quality, and the water quality of the water is greater than or equal to a preset liner cleaning indication value (greater than 0), and it is determined that the water quality information meets the preset water quality condition, that is, it is determined whether the liner needs to be cleaned according to the TDS value of the water.
It should be understood that although the steps in the flowcharts of fig. 1 to 6 are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least some of the steps in fig. 1 to 6 may include multiple steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, and the order of performing the steps or stages is not necessarily sequential, but may be performed alternately or alternatively with other steps or at least some of the steps or stages in other steps.
It is understood that the same/similar parts between the embodiments of the method described above in this specification can be referred to each other, and each embodiment focuses on the differences from the other embodiments, and it is sufficient that the relevant points are referred to the descriptions of the other method embodiments.
Based on the same inventive concept, as shown in fig. 7, the control device of a water heater provided in the embodiment of the present application mainly includes an obtaining module 100, a water quality information collecting module 200, a judging module 300, and an output module 400. The obtaining module 100 is used for obtaining the working state of the water heater; the water quality information acquisition module 200 is used for acquiring water quality information of the water heater if the working state of the water heater is a water cut-off state; the judging module 300 is used for judging whether the water quality information meets the preset water quality condition; the output module 400 is configured to output a liner cleaning prompt signal if the water quality information meets a preset water quality condition.
The embodiment of the application provides a controlling means of water heater is in the state of cutting off the water supply through acquireing the water heater to the collection can reflect the still water quality of water information of inner bag pollution degree, and when current quality of water information satisfies predetermined quality of water condition, in time output inner bag washs cue signal, reaches the purpose that the inner bag was washd in accurate suggestion.
As an optional implementation manner, the water heater includes an inlet water flow sensor disposed on the inlet pipe, and the obtaining module 100 is specifically configured to: acquiring the current water inflow rate through a water inflow rate sensor; if the current water inflow rate is greater than or equal to a preset water flow threshold, judging that the working state of the water heater is a water flow state; if the current inlet water flow is less than the preset cut-off water flow threshold, the working state of the water heater is judged to be a water cut-off state.
As an alternative to the above-described embodiment, the water heater is still including setting up the temperature sensor of intaking on the inlet tube and setting up the play water temperature sensor on the outlet pipe, acquires module 100 and specifically is used for: respectively acquiring an outlet water temperature sequence and an inlet water temperature sequence by an outlet water temperature sensor and an inlet water temperature sensor; if the outlet water temperature sequence meets a preset temperature reduction rule and the outlet water temperature reduction is greater than or equal to a preset temperature reduction threshold, judging that the working state of the water heater is a water cut-off state; and if the outlet water temperature sequence meets a preset temperature rising rule and the outlet water rising temperature is greater than or equal to a preset temperature rising threshold value, judging that the working state of the water heater is a water-passing state.
As an optional implementation mode, the water heater includes the quality of water detection device of intaking that sets up on the inlet tube and the play water quality of water detection device of setting on the outlet pipe, and quality of water information includes into water quality of water and play water quality of water, and the judging module 300 specifically is used for: if the water quality difference value between the effluent water quality and the influent water quality is greater than or equal to a preset water quality threshold value, judging that the water quality information meets a preset water quality condition; and if the water quality difference value between the effluent water quality and the influent water quality is smaller than a preset water quality threshold value, the water quality information does not meet the preset water quality condition.
As an optional implementation manner, the water heater further comprises an inlet water temperature sensor arranged on the inlet pipe and an outlet water temperature sensor arranged on the outlet pipe; the control device of the water heater also comprises a temperature acquisition module and an execution module. The temperature acquisition module is used for respectively acquiring the current water outlet temperature and the current water inlet temperature through the water outlet temperature sensor and the water inlet temperature sensor; the execution module is used for executing the step of acquiring the water quality information of the water heater if the absolute value of the difference value between the current water outlet temperature and the current water inlet temperature is smaller than or equal to a preset water temperature difference value threshold.
As an optional implementation manner, the water heater includes an effluent water quality detection device disposed on the water outlet pipe, the water quality information includes effluent water quality, and the determination module 300 is configured to: if the quality of the continuous water with the preset number is equal and the quality of the water is greater than or equal to the preset inner container clear water indicating value, judging that the water quality information meets the preset water quality condition; and if the quality of the continuous water with the preset number is different or the quality of the water is less than a preset inner container clear liquid indicating value, judging that the water quality information does not meet the preset water quality condition.
For specific limitations of the control device of the water heater, reference may be made to the above limitations of the control method of the water heater, which are not described herein again. The modules in the control device of the water heater can be wholly or partially realized by software, hardware and a combination thereof. The modules can be embedded in a hardware form or independent from a processor in the computer device, and can also be stored in a memory in the computer device in a software form, so that the processor can call and execute operations corresponding to the modules.
Those skilled in the art will appreciate that various aspects discussed in this application can be interchanged, modified, combined, or eliminated. Further, aspects having the various aspects already discussed in this application can also be alternated, modified, rearranged, decomposed, combined, or deleted. Further, aspects of the prior art having reference to the various aspects disclosed herein may also be interchanged, modified, rearranged, decomposed, combined, or deleted.
In the description of the present application, it is to be understood that the terms "upper", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
In the description herein, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is only a partial embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the principle of the present application, and these modifications and decorations should also be regarded as the protection scope of the present application.
Claims (10)
1. A method of controlling a water heater, the method comprising:
acquiring the working state of the water heater;
if the working state of the water heater is a water cut-off state, acquiring water quality information of the water heater;
judging whether the water quality information meets a preset water quality condition or not;
and if the water quality information meets the preset water quality condition, outputting an inner container cleaning prompt signal.
2. The control method of claim 1, wherein the water heater comprises an inlet water flow sensor arranged on an inlet water pipe, and the acquiring the working state of the water heater comprises:
collecting the current water inflow flow through the water inflow sensor;
if the current water inlet flow is larger than or equal to a preset water flow threshold value, judging that the working state of the water heater is a water flow state;
and if the current water inflow flow is smaller than a preset water cut-off flow threshold value, judging that the working state of the water heater is a water cut-off state.
3. The control method of claim 1, wherein the water heater further comprises an inlet water temperature sensor disposed on the inlet pipe and an outlet water temperature sensor disposed on the outlet pipe, and the obtaining the working state of the water heater comprises:
respectively acquiring an outlet water temperature sequence and an inlet water temperature sequence through the outlet water temperature sensor and the inlet water temperature sensor;
if the outlet water temperature sequence meets a preset cooling rule and the outlet water temperature reduction is greater than or equal to a preset temperature reduction threshold, judging that the working state of the water heater is a water cut-off state;
and if the outlet water temperature sequence meets a preset temperature rising rule and the outlet water rising temperature is greater than or equal to a preset temperature rising threshold value, judging that the working state of the water heater is a water-passing state.
4. The control method of claim 1, wherein the water heater comprises an inlet water quality detection device disposed on the inlet pipe and an outlet water quality detection device disposed on the outlet pipe, the water quality information comprises inlet water quality and outlet water quality, and the determining whether the water quality information satisfies a preset water quality condition comprises:
if the water quality difference value between the effluent water quality and the influent water quality is greater than or equal to a preset water quality threshold value, judging that the water quality information meets a preset water quality condition;
and if the water quality difference value between the effluent quality and the influent quality is smaller than a preset water quality threshold value, the water quality information does not meet the preset water quality condition.
5. The control method of claim 4, wherein the water heater further comprises an inlet water temperature sensor disposed on the inlet pipe and an outlet water temperature sensor disposed on the outlet pipe; before the water quality information of the water heater is collected, the method further comprises the following steps:
respectively acquiring the current water outlet temperature and the current water inlet temperature through the water outlet temperature sensor and the water inlet temperature sensor;
and if the absolute value of the difference value between the current water outlet temperature and the current water inlet temperature is less than or equal to a preset water temperature difference value threshold value, executing the step of acquiring the water quality information of the water heater.
6. The control method according to claim 1, wherein the water heater comprises an outlet water quality detection device disposed on the outlet pipe, the water quality information comprises outlet water quality, and the determining whether the water quality information satisfies a preset water quality condition comprises:
if the quality of the continuous water with the preset number is equal and the quality of the water is greater than or equal to a preset inner container clear water indicating value, judging that the water quality information meets a preset water quality condition;
and if the quality of the continuous water with the preset number is different, or the quality of the water is less than a preset inner container clear water indicating value, judging that the water quality information does not meet the preset water quality condition.
7. A control device for a water heater, the device comprising:
the acquisition module is used for acquiring the working state of the water heater;
the water quality information acquisition module (200) is used for acquiring the water quality information of the water heater if the working state of the water heater is a water cut-off state;
the judging module (300) is used for judging whether the water quality information meets the preset water quality condition;
and the output module (400) is used for outputting an inner container cleaning prompt signal if the water quality information meets the preset water quality condition.
8. The control device according to claim 7, characterized in that the water heater comprises an intake water flow sensor arranged on the intake pipe, the acquisition module (100) being particularly configured to:
acquiring the current water inflow rate through the water inflow rate sensor;
if the current water inlet flow is larger than or equal to a preset water flow threshold value, judging that the working state of the water heater is a water flow state;
and if the current water inflow flow is smaller than a preset water cut-off flow threshold value, judging that the working state of the water heater is a water cut-off state.
9. The control device according to claim 7, wherein the water heater further comprises an inlet water temperature sensor disposed on the inlet pipe and an outlet water temperature sensor disposed on the outlet pipe, and the obtaining module (100) is specifically configured to:
respectively acquiring an outlet water temperature sequence and an inlet water temperature sequence through the outlet water temperature sensor and the inlet water temperature sensor;
if the outlet water temperature sequence meets a preset cooling rule and the outlet water temperature reduction is greater than or equal to a preset temperature reduction threshold, judging that the working state of the water heater is a water cut-off state;
and if the outlet water temperature sequence meets a preset temperature rising rule and the outlet water rising temperature is greater than or equal to a preset temperature rising threshold value, judging that the working state of the water heater is a water-passing state.
10. The control device according to claim 7, wherein the water heater comprises an inlet water quality detection device disposed on the inlet pipe and an outlet water quality detection device disposed on the outlet pipe, the water quality information comprises inlet water quality and outlet water quality, and the determination module (300) is specifically configured to:
if the water quality difference value between the effluent water quality and the influent water quality is greater than or equal to a preset water quality threshold value, judging that the water quality information meets a preset water quality condition;
and if the water quality difference value between the effluent quality and the influent quality is smaller than a preset water quality threshold value, the water quality information does not meet the preset water quality condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210877551.0A CN115342526A (en) | 2022-07-25 | 2022-07-25 | Control method and device of water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210877551.0A CN115342526A (en) | 2022-07-25 | 2022-07-25 | Control method and device of water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115342526A true CN115342526A (en) | 2022-11-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210877551.0A Pending CN115342526A (en) | 2022-07-25 | 2022-07-25 | Control method and device of water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115342526A (en) |
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2022
- 2022-07-25 CN CN202210877551.0A patent/CN115342526A/en active Pending
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