CN114508859A - Control method of gas water heater, gas water heater and readable storage medium - Google Patents
Control method of gas water heater, gas water heater and readable storage medium Download PDFInfo
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- CN114508859A CN114508859A CN202011288308.2A CN202011288308A CN114508859A CN 114508859 A CN114508859 A CN 114508859A CN 202011288308 A CN202011288308 A CN 202011288308A CN 114508859 A CN114508859 A CN 114508859A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 229
- 238000000034 method Methods 0.000 title claims abstract description 53
- 230000000875 corresponding effect Effects 0.000 claims description 21
- 238000004590 computer program Methods 0.000 claims description 17
- 238000001595 flow curve Methods 0.000 claims description 16
- 239000000523 sample Substances 0.000 claims description 16
- 230000001276 controlling effect Effects 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 7
- 230000002596 correlated effect Effects 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 abstract description 34
- 239000007789 gas Substances 0.000 description 219
- 230000007613 environmental effect Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 10
- 238000010438 heat treatment Methods 0.000 description 2
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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
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/60—Devices for simultaneous control of gas and combustion air
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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
- F24H9/1832—Arrangement or mounting of combustion heating means, e.g. grates or burners
- F24H9/1836—Arrangement or mounting of combustion heating means, e.g. grates or burners using fluid fuel
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- Regulation And Control Of Combustion (AREA)
Abstract
The application discloses control method, gas heater and computer readable storage medium of gas heater, the method includes: acquiring the current flame height of the gas water heater; and adjusting the opening degree of a valve of the gas water heater and/or adjusting the rotating speed of a fan of the gas water heater according to the flame height. The combustion state of the gas water heater can be adjusted in real time according to different environments, and the efficiency of the gas water heater is improved.
Description
Technical Field
The present application relates to the field of gas water heaters, and in particular, to a control method for a gas water heater, and a computer-readable storage medium.
Background
At present, most of gas water heaters are internally provided with gas and air ratios corresponding to each power to work with corresponding power, but due to the restriction of using environmental factors, such as rarefied air in a plateau area, the gas water heater can not reach the optimal combustion state only according to the air intake of the internal gas and air ratios, and the general gas water heater can only be adjusted according to the preset gas and air ratios, and the air intake amount of the gas water heater can not be adjusted in real time according to the environmental factors.
Disclosure of Invention
The application provides a control method of a gas water heater, the gas water heater and a computer readable storage medium, which can adjust the combustion state of the gas water heater in real time according to different environmental factors so as to enable the gas water heater to work more efficiently.
In a first aspect, an embodiment of the present application provides a control method for a gas water heater, where the method includes:
acquiring the current flame height of the gas water heater;
and adjusting the opening degree of a valve of the gas water heater and/or adjusting the rotating speed of a fan of the gas water heater according to the flame height.
In a second aspect, the present application further provides a gas water heater comprising a memory and a processor;
the memory for storing a computer program;
the processor is used for executing the computer program and realizing the control method of the gas water heater according to any one of claims 1 to 8 when the computer program is executed.
In a third aspect, the present application further provides a computer-readable storage medium, where a computer program is stored, and if the computer program is executed by a processor, the method for controlling a gas water heater is implemented as in any one of the above.
The application discloses a control method of a gas water heater, the gas water heater and a computer readable storage medium, wherein the method comprises the steps of obtaining the current flame height of the gas water heater; and adjusting the opening degree of a valve of the gas water heater and/or adjusting the rotating speed of a fan of the gas water heater according to the flame height. The combustion state of the gas water heater can be adjusted in real time according to different environmental factors, the generation of harmful gas is effectively reduced, the gas utilization rate is improved, and the gas water heater can work more efficiently.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic flow chart of a control method of a gas water heater provided by an embodiment of the present application;
FIG. 2a is a front view of a schematic structural diagram of a flame probe according to an embodiment of the present disclosure;
FIG. 2b is a left side view of a schematic structural diagram of a flame probe according to an embodiment of the present disclosure;
FIG. 2c is a schematic diagram of a flame probe according to an embodiment of the present disclosure;
FIG. 3 is a schematic flow chart of another control method for a gas water heater provided by the embodiment of the present application;
FIG. 4 is a schematic flow chart diagram illustrating another control method for a gas water heater provided by the embodiment of the present application;
FIG. 5 is a schematic flow rate relationship curve diagram of a control method of a gas water heater according to an embodiment of the present application;
FIG. 6 is a schematic block diagram of a gas water heater provided by an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. 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 application.
The flow diagrams depicted in the figures are merely illustrative and do not necessarily include all of the elements and operations/steps, nor do they necessarily have to be performed in the order depicted. For example, some operations/steps may be decomposed, combined or partially combined, so that the actual execution sequence may be changed according to the actual situation.
The embodiment of the application provides a control method of a gas water heater, the gas water heater and a computer readable storage medium. Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
Referring to fig. 1, fig. 1 is a schematic flow chart of a control method for a gas water heater according to an embodiment of the present application, where the method is applied to a gas water heater to adjust a combustion state of the gas water heater in real time, reduce harmful gases, improve a gas utilization rate, and enable the gas water heater to operate more efficiently.
For ease of understanding, the following embodiments will be described in detail as applied to a gas water heater.
As shown in fig. 1, the control method of the gas water heater may include steps S101 to S102.
And S101, acquiring the current flame height of the gas water heater.
Illustratively, when the gas water heater is in operation, the inside of a burner in the gas water heater is ignited to generate flame, and the flame height in the burner is obtained.
For example, after the gas water heater is ignited, the flame in the burner has a certain height, but the height of the flame changes due to the restriction of environmental factors, and the current combustion state of the gas water heater can be determined based on the change of the height of the flame.
For example, the environmental factors may be whether the atmosphere of the region is lean, whether the gas flow rate is too high, and the like.
For example, an ambient airflow rate that is too low and airflow rate that is too low will increase the flame height, while an airflow rate that is too high and airflow rate that is too high will decrease the flame height.
For example, in some areas with higher altitude, the atmosphere is too thin, and if the air intake rate standard is based on the complete combustion of the gas water heater with lower altitude, the gas water heater in the area with higher altitude cannot completely combust; it can be understood that based on the air intake standard of the area with higher altitude, the atmosphere of the gas water heater in the area with lower altitude is too sufficient, and the optimal combustion state can not be achieved.
Illustratively, the current combustion state of the gas water heater is determined by acquiring the flame height, and the gas water heater is adjusted to reach the optimal combustion state.
In some embodiments, the obtaining the current flame height of the gas water heater includes: and determining the flame height according to the detection results of the flame probes, wherein the flame probes are arranged at the preset height in the combustor of the gas water heater.
As shown in fig. 2a, 2b and 2c, fig. 2a, 2b and 2c are a front view, a left view and a top view of a schematic structure of a flame probe according to an embodiment of the present disclosure.
Illustratively, the flame height can be detected by a flame probe, and the flame height can be determined according to the detection result.
Illustratively, several flame probes are installed at preset heights in the burner of a water heater to detect different flame heights.
For example, the preset height may be a flame height at an optimal combustion state for each target power.
For example, the flame probes with different heights can detect the flame height under the optimal combustion condition with different powers, so as to improve the detection accuracy.
For example, when the flame probe detects a flame, a voltage may be measured at a lead terminal of the flame probe, and a height of the flame may be determined based on the voltage information.
For example, the optimal combustion state of the target power of the gas water heater may be set to correspond to the flame height, and when the current flame height is detected by the flame probe corresponding to the optimal combustion state flame height, the gas water heater may be regarded as being in the optimal combustion state of the current power.
The height of the flame is determined according to the detection results of the flame probes, and the current combustion state of the gas water heater can be detected in real time, so that the gas water heater is adjusted to achieve the optimal combustion state.
And S102, adjusting the opening degree of a valve of the gas water heater and/or adjusting the rotating speed of a fan of the gas water heater according to the flame height.
For example, the current combustion state is determined according to the flame height, so as to adjust the valve opening degree of the gas water heater and/or adjust the fan rotating speed of the gas water heater.
Illustratively, the valve opening of the gas water heater is adjusted and/or the fan rotating speed of the gas water heater is adjusted to control the gas water heater to adapt to environmental factors and achieve the optimal combustion state.
In some embodiments, the adjusting the valve opening of the gas water heater and/or the adjusting the fan speed of the gas water heater according to the flame height includes: and adjusting the opening degree of a valve of the gas water heater and/or adjusting the rotating speed of a fan of the gas water heater according to the current flame height and the target flame height, wherein the target flame height is the flame height corresponding to the target power.
For example, the target power of the gas water heater may be determined according to a setting of a user, that is, when the user sets the water temperature for water use, the target power corresponding to the water temperature may be determined, so that the gas water heater heats the water to the water temperature set by the user.
For example, the target power corresponds to the target flame height one by one, and the target flame height of the corresponding optimal combustion state is different under different powers of the gas water heater.
For example, the target flame height is positively correlated with the target power, for example, if the water temperature set by the user is higher, if the water temperature set by the user is 80 degrees celsius and the set water temperature is 50 degrees celsius, the power of the gas water heater at the set temperature of 80 degrees celsius is higher than the power of the gas water heater at the set temperature of 50 degrees celsius, and it can be understood that the target flame height at the set temperature of 80 degrees celsius is also higher than the target flame height at the set temperature of 50 degrees celsius.
For example, whether the gas water heater is in the optimal combustion state or not is judged according to the current flame height and the target flame height, and the opening degree of an air valve and/or the rotating speed of a fan are/is adjusted according to the judged result.
In some embodiments, the adjusting the valve opening degree of the gas water heater and/or the adjusting the fan rotation speed of the gas water heater according to the current flame height and the target flame height comprises:
and if the current flame height is higher than the target flame height, increasing the opening of an air valve of the gas water heater and/or increasing the rotating speed of a fan of the gas water heater.
Illustratively, the current flame height is higher than the target flame height, demonstrating insufficient air, which increases the current flame height and requires increased air flow into the burner of the gas water heater.
Illustratively, the air entering the burner of the gas water heater is increased by increasing the opening of an air valve of the gas water heater and/or increasing the rotating speed of a fan of the gas water heater.
In other embodiments, the adjusting the valve opening degree of the gas water heater and/or the adjusting the fan rotation speed of the gas water heater according to the current flame height and the target flame height includes: and if the current flame height is lower than the target flame height, reducing the opening of an air valve of the gas water heater and/or reducing the rotating speed of a fan of the gas water heater.
Illustratively, the current flame height is below the target flame height, demonstrating an excess of air, which lowers the current flame height and requires a reduction in air entering the burner of the gas water heater.
Illustratively, the air entering the combustor of the gas water heater is reduced by reducing the opening of an air valve of the gas water heater and/or reducing the rotating speed of a fan of the gas water heater.
Acquiring the current flame height of the gas water heater; and adjusting the opening degree of a valve of the gas water heater and/or adjusting the rotating speed of a fan of the gas water heater according to the flame height. The combustion state of the gas water heater can be controlled to be optimal according to different environmental conditions, the efficiency and the gas utilization rate of the gas water heater are improved, and the generation of harmful gas is reduced.
In some embodiments, as shown in FIG. 3, the method further comprises steps S201-S203
Step S201 determines a target air flow rate corresponding to the target power.
For example, each power of the gas water heater has a target air flow rate corresponding to one power of the gas water heater, so as to heat and/or keep warm different target water temperatures.
For example, the target air flow rate is an air flow rate that allows the gas water heater to achieve an optimal combustion state at a target power.
For example, under different power, the supply of gas in the gas water heater is different, and different air supply is needed, so that the gas and the air can be sufficiently reacted and combusted, and the gas water heater can reach an optimal combustion state.
For example, if the gas supply amount inside the gas water heater is much higher than the air supply amount, the gas utilization rate is reduced, the heating efficiency of the gas water heater is reduced, and harmful gas may be generated; if the gas supply is much lower than the air supply, the heating efficiency of the water heater is also reduced.
And step S202, acquiring the current air flow.
For example, the current air flow rate of the gas water heater may be determined based on the current flame height.
Illustratively, the current air flow is the amount of air actually entering the burner in the gas water heater at the current power of the gas water heater.
For example, the current air flow determines the current flame height, and if the current air flow is too small, the gas cannot be sufficiently combusted, and the flame height is increased.
For example, the flame height can be determined according to the detection result of the flame probe, so that the current air flow of the gas water heater can be determined through the flame height.
For example, an air flow detection device may be further provided at the air inlet to detect the current air flow.
For example, the air flow rate can be changed by changing the opening degree of a gas valve or an air valve, and the air flow rate can also be changed by controlling the rotation speed of the fan.
And S203, adjusting the opening of a valve of the gas water heater and/or the rotating speed of a fan of the gas water heater according to the current air flow and the target air flow.
Illustratively, the valve opening degree of the gas water heater and/or the fan rotating speed of the gas water heater are/is adjusted according to the current air flow and the target air flow, so that the actual air flow entering the gas water heater is adjusted to be the target air flow.
For example, the air flow entering the gas water heater is the target air flow, so that the gas water heater can reach an optimal combustion state, the efficiency is improved, and the generation of harmful gas is reduced.
For example, the air valve opening adjustment direction and/or the gas valve opening adjustment direction of the gas water heater are/is determined according to the target air flow and the current air flow.
For example, the air inlet amount of the gas water heater can be adjusted by adjusting the opening degree of the valve of the gas water heater, so that the optimal ratio of gas to air is adjusted, and the gas water heater reaches the optimal combustion state.
In some embodiments, the determining a target air flow corresponding to a target power comprises: the target air flow rate is positively correlated with the target power.
For example, the higher the target power, the more gas is introduced into the burner in the gas water heater, and the more air is required to achieve sufficient combustion.
In some embodiments, said adjusting a valve opening of said gas water heater and/or a fan speed of said gas water heater according to said current air flow and a target air flow comprises: and if the current air flow is smaller than the target air flow, increasing the opening of an air valve of the gas water heater and/or increasing the rotating speed of a fan of the gas water heater.
For example, the gas water heater cannot reach the optimal combustion state because the ratio of air to gas in the burner of the gas water heater is not correct, and the air flow can be adjusted to enable the ratio of air to gas in the burner to reach the optimal.
Illustratively, the current combustion state is that the gas is relatively insufficiently combusted, the flame height is increased, the target air flow determined according to the target power is 30L/min, the obtained current air flow is 10L/min, the target air flow is higher than the current air flow, the air flow needs to be increased, and the air valve of the gas water heater is adjusted to be increased so as to increase the entering air flow.
It will be appreciated that the fan of the gas water heater may also be increased to increase the amount of air blown into the burner.
In other embodiments, the adjusting the valve opening of the gas water heater and/or the fan speed of the gas water heater according to the current air flow and the target air flow comprises: and if the current air flow is larger than the target air flow, reducing the opening of an air valve of the gas water heater and/or reducing the rotating speed of a fan of the gas water heater.
Illustratively, the current combustion state is excess air, the flame height is reduced, the target air flow determined according to the target power is 30L/min, the obtained current air flow is 50L/min, the target air flow is less than the current air flow, the air flow needs to be reduced, and an air valve of the gas water heater is adjusted to be reduced so as to reduce the entering air flow.
It will be appreciated that the fan speed of the gas water heater may also be reduced so that the amount of air blown into the burner is reduced.
Illustratively, the air and gas ratio of a burner in the gas water heater is adjusted by adjusting the opening of an air valve of the gas water heater and/or the rotating speed of a fan of the gas water heater, so that the gas water heater reaches the optimal combustion state, the efficiency is improved, the gas utilization rate is improved, and the generation of harmful gases is reduced.
Fig. 4 is a schematic flow chart of another control method of a gas water heater according to an embodiment of the present application.
In some embodiments, as shown in fig. 4, the method further comprises steps S301 to S302.
Step S301, determining the valve opening degree of the gas water heater during ignition according to a preset flow relation curve, wherein the flow relation curve comprises an air flow curve and a gas flow curve.
For example, when a gas water heater is fired, the valve opening is typically determined based on pre-stored data to determine the air and gas entering the burner of the gas water heater.
For example, a preset flow relation curve may be prestored in the gas water heater, so that the gas water heater determines the valve opening at the time of ignition according to the flow relation curve to determine the air flow and the gas flow at the time of ignition.
For example, the preset flow relation curve is generally data measured in a laboratory by each manufacturer producing the gas water heater, and the data is fitted, and the preset flow relation curve cannot adapt to different specific environmental conditions in each region.
For example, in the ignition process, the gas water heater can only determine the air and the gas entering the combustor according to a preset flow relation curve.
As shown in fig. 5, fig. 5 is a schematic flow rate relationship curve diagram of a control method of a gas water heater according to an embodiment of the present application.
For example, as shown in fig. 5, a preset flow relation curve is stored in the gas water heater, and when the gas water heater is ignited, air and gas are controlled to enter the burner according to the air flow and the gas flow corresponding to an ignition value (a dH point in the figure) in the flow relation curve so as to perform an ignition operation.
And S302, adjusting the flow relation curve according to the flame height so as to determine the opening of the valve according to the adjusted flow relation curve when the gas water heater is ignited next time.
Illustratively, the flow relation curve is readjusted according to the flame height to adjust the air flow and the gas flow corresponding to the ignition value, so that the valve opening is determined according to the adjusted flow relation curve when the gas water heater is ignited next time to determine the air and the gas entering the combustor.
For example, the air flow and the gas flow corresponding to the ignition value are adjusted according to the flame height, and the corresponding air flow and gas flow can be adjusted according to specific environmental parameters.
For example, in some regions, the ignition is insufficient combustion, the flame height is high, or the air intake is insufficient according to a preset flow relation curve, the ignition is difficult, the relation between the target air flow and the air flow curve corresponding to the target power is calculated according to the flame height, and the air flow curve is re-fitted to re-determine the air flow required by the ignition value.
For example, in an area with a higher altitude, a higher air flow is needed, the opening degree of a valve is controlled according to an air flow curve in a preset relation flow curve, so that the air content in a combustor is insufficient, the combustion is insufficient, the air flow corresponding to each power in the preset air flow curve is re-determined according to the flame height during working, the air flow corresponding to each power in the preset air flow curve is adjusted so as to re-fit the air flow curve, and the air flow corresponding to an ignition value is re-determined, so that the air flow is controlled by a gas water heater according to the adjusted air flow curve during next ignition to perform ignition operation.
For example, the air flow at ignition may be re-determined based on the flame height over a predetermined period of time to re-determine the air flow curve.
For example, the preset time may be a period from the time of ignition to a certain time after ignition, such as a period from the time of ignition to the time of 2 minutes. It is understood that the preset time can be preset in the gas water heater, and can also be set according to a user.
For example, the ratio of air and gas at the time of ignition can be determined according to the target air flow, and the air flow curve and the gas flow curve are adjusted at the same time, so that the air flow and the gas flow are controlled according to the adjusted gas flow curve to perform the ignition operation when the gas water heater is ignited next time.
Referring to fig. 6, fig. 6 is a schematic block diagram of a gas water heater 400 according to an embodiment of the present application.
As shown in fig. 6, the gas water heater 400 includes a memory 401 and a processor 402.
The memory 401 may include a nonvolatile storage medium and an internal memory, among others.
The non-volatile storage medium may store a computer program. The computer program includes program instructions that, when executed, cause a processor to perform any one of the methods of controlling a gas water heater.
The processor 402 is used to provide computing and control capabilities to support the operation of the gas water heater.
The memory 401 provides an environment for the execution of a computer program in a non-volatile storage medium, which when executed by the processor 402, causes the processor 402 to perform any one of the methods of controlling a gas water heater.
Those skilled in the art will appreciate that the configuration shown in fig. 6 is a block diagram of only a portion of the configuration associated with the subject application and does not constitute a limitation on the gas water heater to which the subject application applies, and that a particular gas water heater may include more or less components than those shown, or combine certain components, or have a different arrangement of components.
It should be understood that the Memory 401 may be a Flash chip, a Read-Only Memory (ROM) disk, an optical disk, a usb disk, or a removable hard disk, and the Processor 402 may be a Central Processing Unit (CPU), and the Processor may also be other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, discrete hardware component, and the like. Wherein a general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
Wherein, in one embodiment, the processor 402 is configured to run a computer program stored in the memory 401 to implement the following steps:
acquiring the current flame height of the gas water heater;
and adjusting the opening degree of a valve of the gas water heater and/or adjusting the rotating speed of a fan of the gas water heater according to the flame height.
It should be noted that, as will be clear to those skilled in the art, for convenience and brevity of description, the specific working process of the gas water heater 400 described above may refer to the corresponding process in the foregoing embodiment of the control method of the gas water heater, and will not be described herein again.
Embodiments of the present application also provide a computer-readable storage medium, on which a computer program is stored, where the computer program includes program instructions, and when the program instructions are executed, the method implemented by the program instructions may refer to various embodiments of the control method of the gas water heater of the present application.
The gas water heater and the computer-readable storage medium provided by the embodiment of the application can be used for acquiring the current flame height of the gas water heater; and adjusting the opening degree of a valve of the gas water heater and/or adjusting the rotating speed of a fan of the gas water heater according to the flame height. The combustion state of the gas water heater can be adjusted in real time according to environmental factors, the efficiency of the gas water heater and the utilization rate of gas are improved, and the generation of harmful gas is reduced.
The above operations can be implemented in the foregoing embodiments, and are not described in detail herein.
The computer readable storage medium may be an internal storage unit of the gas water heater described in the foregoing embodiment, for example, a hard disk or a memory of the gas water heater. The computer readable storage medium may also be an external storage device of the gas water heater, such as a plug-in hard disk equipped on the gas water heater, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like.
Since the computer program stored in the computer-readable storage medium can execute any control method of the gas water heater provided in the embodiments of the present application, beneficial effects that can be achieved by any control method of the gas water heater provided in the embodiments of the present application can be achieved, and detailed descriptions are omitted here for the detailed description of the embodiments.
It is to be understood that the terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the specification of the present application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should also be understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items. It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present application are merely for description and do not represent the merits of the embodiments. While the invention has been described with reference to specific embodiments, the scope of the invention is not limited thereto, and various equivalent modifications or substitutions can be easily made by those skilled in the art within the technical scope of the invention. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
While the invention has been described with reference to specific embodiments, the scope of the invention is not limited thereto, and those skilled in the art can easily conceive various equivalent modifications or substitutions within the technical scope of the invention. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. A method of controlling a gas water heater, the method comprising:
acquiring the current flame height of the gas water heater;
and adjusting the opening degree of a valve of the gas water heater and/or adjusting the rotating speed of a fan of the gas water heater according to the flame height.
2. The method for controlling the gas water heater according to claim 1, wherein the obtaining the current flame height of the gas water heater comprises:
and determining the flame height according to the detection results of the flame probes, wherein the flame probes are arranged at the preset height in the combustor of the gas water heater.
3. The control method of the gas water heater according to claim 1, wherein the adjusting of the valve opening degree of the gas water heater and/or the adjusting of the fan rotation speed of the gas water heater according to the flame height comprises:
and adjusting the opening degree of a valve of the gas water heater and/or adjusting the rotating speed of a fan of the gas water heater according to the current flame height and the target flame height, wherein the target flame height is the flame height corresponding to the target power.
4. The control method of the gas water heater according to claim 3, wherein the adjusting of the valve opening degree of the gas water heater and/or the adjusting of the fan rotation speed of the gas water heater according to the current flame height and the target flame height comprises:
if the current flame height is higher than the target flame height, increasing the opening of an air valve of the gas water heater and/or increasing the rotating speed of a fan of the gas water heater;
and if the current flame height is lower than the target flame height, reducing the opening of an air valve of the gas water heater and/or reducing the rotating speed of a fan of the gas water heater.
5. The control method of a gas water heater according to any one of claims 1 to 4, characterized in that the method further comprises:
determining a target air flow corresponding to the target power;
acquiring the current air flow;
the according to flame height adjustment the valve aperture of gas heater and/or gas heater's fan rotational speed includes:
and adjusting the opening degree of a valve of the gas water heater and/or the rotating speed of a fan of the gas water heater according to the current air flow and the target air flow.
6. The control method of a gas water heater according to claim 5, wherein said determining a target air flow rate corresponding to a target power comprises:
the target air flow rate is positively correlated with the target power.
7. The control method of the gas water heater according to claim 5, wherein the adjusting of the valve opening degree of the gas water heater and/or the fan rotation speed of the gas water heater according to the current air flow and the target air flow comprises:
if the current air flow is smaller than the target air flow, increasing the opening of an air valve of the gas water heater and/or increasing the rotating speed of a fan of the gas water heater;
and if the current air flow is larger than the target air flow, reducing the opening of an air valve of the gas water heater and/or reducing the rotating speed of a fan of the gas water heater.
8. The control method of a gas water heater according to any one of claims 1 to 4, characterized in that the method further comprises:
determining the valve opening degree of the gas water heater during ignition according to a preset flow relation curve, wherein the flow relation curve comprises an air flow curve and a gas flow curve;
and adjusting the flow relation curve according to the flame height so as to determine the opening of the valve according to the adjusted flow relation curve when the gas water heater is ignited next time.
9. A gas water heater comprising a memory and a processor;
the memory for storing a computer program;
the processor is used for executing the computer program and realizing the control method of the gas water heater according to any one of claims 1 to 8 when the computer program is executed.
10. A computer-readable storage medium, in which a computer program is stored, wherein the computer program, if executed by a processor, implements the method of controlling a gas water heater according to any one of claims 1 to 8.
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| CN202011288308.2A CN114508859B (en) | 2020-11-17 | 2020-11-17 | Control method of gas water heater, gas water heater and readable storage medium |
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| CN202011288308.2A CN114508859B (en) | 2020-11-17 | 2020-11-17 | Control method of gas water heater, gas water heater and readable storage medium |
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| CN114508859B CN114508859B (en) | 2023-11-07 |
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| CN111219871A (en) * | 2018-11-26 | 2020-06-02 | 宁波方太厨具有限公司 | Heat exchanger and gas water heater with same |
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| US20060068347A1 (en) * | 2002-12-25 | 2006-03-30 | Yanxin Li | Autocontrol burner and a combustion control method |
| CN203771413U (en) * | 2014-03-14 | 2014-08-13 | 胡宇 | Air-gas synchronous control device |
| CN105067026A (en) * | 2015-08-31 | 2015-11-18 | 华南理工大学 | Device and method for studying influence of external wind speed on flame propagation and stability |
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| CN114508859B (en) | 2023-11-07 |
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