CN113028652B - Water heater control method based on wind pressure sensor and water heater - Google Patents
Water heater control method based on wind pressure sensor and water heater Download PDFInfo
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- CN113028652B CN113028652B CN202110364154.9A CN202110364154A CN113028652B CN 113028652 B CN113028652 B CN 113028652B CN 202110364154 A CN202110364154 A CN 202110364154A CN 113028652 B CN113028652 B CN 113028652B
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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
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- 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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Abstract
The invention discloses a water heater control method based on a wind pressure sensor and a water heater, wherein the method comprises the following steps: acquiring an actual wind pressure value detected by a wind pressure sensor; judging whether the actual wind pressure value is greater than or equal to a first preset wind pressure value or not, and controlling the water heater to work in a normal working mode if the actual wind pressure value is greater than or equal to the first preset wind pressure value; if the actual wind pressure value is smaller than the first preset wind pressure value, further judging whether the actual wind pressure value is larger than or equal to a second preset wind pressure value, wherein the second preset wind pressure value is smaller than the first preset wind pressure value; and if the actual wind pressure value is greater than or equal to the second preset wind pressure value, controlling the water heater to work in a first lifting mode, and controlling the fan to work in a high-wind-speed gear. The invention can more intelligently control the work of the water heater according to the change of the wind pressure.
Description
Technical Field
The invention relates to the technical field of gas water heaters, in particular to a water heater control method based on a wind pressure sensor and a water heater.
Background
The gas heater is generally through discharging waste gas from the tobacco pipe through dedicated fan, and in order to guarantee that the flue gas can smoothly be discharged, current gas heater can set up the wind pressure switch that detects the wind pressure in the tobacco pipe, if the wind pressure switch detects that the wind pressure in the tobacco pipe is low, then the wind pressure switch disconnection, and gas heater will no longer work, plays the safety protection effect.
However, in the practical use process of the wind pressure switch, the following problems exist: 1. the smoke pipes of the gas water heaters of each family are different, the resistance borne by the smoke pipes is different, and the wind pressure switch can be continuously in an off state due to the large resistance of the smoke pipes of some gas water heaters; 2. after the gas water heater is used for a period of time, dust is deposited on the fins of the water tank, the wind power of the fan is attenuated, the wind pressure in the smoke tube is reduced, and the wind pressure switch is switched off; 3. the external environment changes, the strong wind weather, the resistance of the smoke outlet of the smoke tube is increased, the wind pressure of the smoke tube is reduced, and the wind pressure switch is disconnected; 4. in order to expand the performance, a fan with high and low rotation speeds is designed, one wind pressure switch cannot ensure the wind pressure protection of changing the rotation speed, and partial manufacturers directly cancel the wind pressure protection at the low rotation speed to generate an unprotected risk state; 5. performance drift of the wind pressure switch, performance change of the diaphragm and the like can also cause misoperation of the wind pressure switch.
Therefore, how to reasonably control the gas water heater according to the change of the wind pressure in the smoke pipe is a technical problem which needs to be solved urgently in the prior art.
Disclosure of Invention
The invention provides a water heater control method based on a wind pressure sensor and a water heater, which can more intelligently control the work of the water heater according to the change of wind pressure.
In order to solve the problems, the invention adopts the following technical scheme:
according to a first aspect of the present invention, an embodiment of the present invention provides a water heater control method based on a wind pressure sensor, including the following steps:
acquiring an actual wind pressure value detected by a wind pressure sensor;
judging whether the actual wind pressure value is greater than or equal to a first preset wind pressure value or not, and controlling the water heater to work in a normal working mode if the actual wind pressure value is greater than or equal to the first preset wind pressure value;
if the actual wind pressure value is smaller than the first preset wind pressure value, further judging whether the actual wind pressure value is larger than or equal to a second preset wind pressure value, wherein the second preset wind pressure value is smaller than the first preset wind pressure value;
and if the actual wind pressure value is greater than or equal to the second preset wind pressure value, controlling the water heater to work in a first lifting mode, and controlling the fan to work in a high-wind-speed gear.
In some embodiments, the method further comprises the steps of:
if the actual wind pressure value is smaller than the second preset wind pressure value, further judging whether the actual wind pressure value is larger than or equal to a third preset wind pressure value, wherein the third preset wind pressure value is smaller than the second preset wind pressure value;
and if the actual wind pressure value is greater than or equal to the third preset wind pressure value, controlling the water heater to work in a second variable-lift mode, and controlling the fan to work in a high-wind-speed gear.
In some embodiments, the method further comprises the steps of: and if the actual wind pressure value is smaller than a third preset wind pressure value, controlling the water heater to stop working.
In some embodiments, the method further comprises the steps of: and acquiring a wind pressure repairing instruction of a user, controlling a wind pressure sensor to detect wind pressure in real time to obtain an instant wind pressure value, calculating a difference value between the instant wind pressure value and a preset reference wind pressure value, and modifying a wind pressure starting value and a wind pressure closing value according to the difference value if the difference value is within a preset deviation range.
According to a second aspect of the present invention, an embodiment of the present invention provides a water heater, including a smoke tube, a fan, a wind pressure sensor, a pressure taking device and a controller, wherein the fan is used for blowing air to the smoke tube, the pressure taking device is fixed on the smoke tube, the pressure taking device is connected with the wind pressure sensor, and both the fan and the wind pressure sensor are electrically connected with the controller; the controller is configured to perform the following method: acquiring an actual wind pressure value detected by a wind pressure sensor; judging whether the actual wind pressure value is greater than or equal to a first preset wind pressure value or not, and controlling the water heater to work in a normal working mode if the actual wind pressure value is greater than or equal to the first preset wind pressure value; if the actual wind pressure value is smaller than the first preset wind pressure value, further judging whether the actual wind pressure value is larger than or equal to a second preset wind pressure value, wherein the second preset wind pressure value is smaller than the first preset wind pressure value; and if the actual wind pressure value is greater than or equal to the second preset wind pressure value, controlling the water heater to work in a first lifting mode, and controlling the fan to work in a high-wind-speed gear.
In some embodiments, the controller is further configured to perform the method of: if the actual wind pressure value is smaller than the second preset wind pressure value, further judging whether the actual wind pressure value is larger than or equal to a third preset wind pressure value, wherein the third preset wind pressure value is smaller than the second preset wind pressure value; and if the actual wind pressure value is greater than or equal to the third preset wind pressure value, controlling the water heater to work in a second variable-lift mode, and controlling the fan to work in a high-wind-speed gear.
In some embodiments, the controller is further configured to perform the method of: and if the actual wind pressure value is smaller than a third preset wind pressure value, controlling the water heater to stop working.
In some embodiments, the controller is further configured to perform the method of: and acquiring a wind pressure repairing instruction of a user, controlling a wind pressure sensor to detect wind pressure in real time to obtain an instant wind pressure value, calculating a difference value between the instant wind pressure value and a preset reference wind pressure value, and modifying a wind pressure starting value and a wind pressure closing value according to the difference value if the difference value is within a preset deviation range.
In some embodiments, the water heater further comprises a display and a control button, both the control button and the display being electrically connected to the controller.
The invention has at least the following beneficial effects: the invention can carry out different controls on the water heater according to different wind pressure values, so that the water heater can work more intelligently, and inconvenience caused by the false start of a wind pressure switch is avoided.
Meanwhile, the invention can modify the wind pressure starting value and the wind pressure closing value of the water heater through the self-regulation function so as to match the actual use condition, so that the water heater can work efficiently and stably.
Drawings
FIG. 1 is a schematic flow chart illustrating a method for controlling a water heater based on a wind pressure sensor according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart illustrating a control method of a water heater based on a wind pressure sensor according to another embodiment of the present invention;
FIG. 3 is a schematic flow chart illustrating a control method of a water heater based on a wind pressure sensor according to another embodiment of the present invention;
fig. 4 is a schematic structural diagram of a water heater according to an embodiment of the invention.
Wherein the reference numerals are: the smoke tube 100, the fan 200, the pressure measuring device 300, the wind pressure sensor 400 and the controller 500.
Detailed Description
The present disclosure provides the following description with reference to the accompanying drawings to assist in a comprehensive understanding of various embodiments of the disclosure as defined by the claims and their equivalents. The description includes various specific details to aid understanding, but such details are to be regarded as exemplary only. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the various embodiments described herein can be made without departing from the scope and spirit of the present disclosure. Moreover, descriptions of well-known functions and constructions may be omitted for clarity and conciseness.
The terms and words used in the following description and claims are not limited to the literal meanings, but are used by the inventors to enable a clear and consistent understanding of the disclosure. Accordingly, it will be apparent to those skilled in the art that the following descriptions of the various embodiments of the present disclosure are provided for illustration only and not for the purpose of limiting the disclosure as defined by the appended claims and their equivalents.
The terms "having," "may have," "including," or "may include" used in various embodiments of the present disclosure indicate the presence of the respective functions, operations, elements, etc., disclosed, but do not limit additional one or more functions, operations, elements, etc. Furthermore, it is to be understood that the terms "comprises" or "comprising," when used in various embodiments of the present disclosure, are intended to specify the presence of stated features, integers, operations, elements, components, or groups thereof, but do not preclude the presence or addition of one or more other features, integers, operations, elements, components, or groups thereof.
Although terms such as "first" and "second" used in various embodiments of the present disclosure may modify various elements of the various embodiments, the terms do not limit the corresponding elements. For example, these terms do not limit the order and/or importance of the corresponding elements. These terms may be used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of the various embodiments of the present disclosure.
It will be understood that when an element (e.g., a first element) is "connected" to another element (e.g., a second element), the element can be directly connected to the other element or intervening elements (e.g., a third element) may be present.
The embodiment of the invention provides a water heater control method based on a wind pressure sensor, as shown in fig. 1, comprising the following steps:
s100: and acquiring an actual wind pressure value detected by the wind pressure sensor.
The wind pressure sensor can detect the actual wind pressure value in the smoke pipe in real time, and send the detected actual wind pressure value to the controller, and the controller can acquire the actual wind pressure value.
S200: judging whether the actual wind pressure value is larger than or equal to a first preset wind pressure value or not,
this first preset wind pressure value can carry out the wind pressure value with standard tobacco pipe when producing the water heater and mark, and it is the minimum wind pressure value that the water heater can normally work, if be less than this first preset wind pressure value, shows that the water heater can not work with normal mode. The first preset wind pressure value can be stored in the controller, and the controller judges the magnitude relation between the actual wind pressure value and the first preset wind pressure value.
S300: and if the actual wind pressure value is greater than or equal to the first preset wind pressure value, controlling the water heater to work in a normal working mode.
If the actual wind pressure value is larger than or equal to the first preset wind pressure value, the water heater is in a normal working state, and the water heater can work in a normal working mode. The controller can control components such as a proportional valve in a gas pipeline, a water regulating valve for supplying water and the like, and the proportional valve and the water regulating valve are in normal working states in a normal working mode.
S400: if the actual wind pressure value is smaller than the first preset wind pressure value, further judging whether the actual wind pressure value is larger than or equal to a second preset wind pressure value, wherein the second preset wind pressure value is smaller than the first preset wind pressure value;
the actual wind pressure value is smaller than the first preset wind pressure value, which indicates that the water heater cannot work in a normal working mode, and whether the actual wind pressure value is too low or not can be determined by further judging the magnitude relation between the actual wind pressure value and the second preset wind pressure value. The second preset wind pressure value may be set to 80% of the first preset wind pressure value.
S500: and if the actual wind pressure value is greater than or equal to the second preset wind pressure value, controlling the water heater to work in a first lifting mode, and controlling the fan to work in a high-wind-speed gear.
In the first variable-lift mode, the lift number of the water heater is reduced, for example, an original 16L water heater is changed into a 13L water heater, and meanwhile, according to the reduced lift number, a water regulating valve and a proportional valve of the water heater are controlled to change the valve quantity, regulate the water flow and the gas flow, and ensure that the outlet water temperature is stable. Meanwhile, the rotating speed of the fan is increased, and the fan continuously works at a high wind speed.
In some embodiments, as shown in fig. 2, the method for controlling a water heater based on a wind pressure sensor further includes the following steps:
s600: if the actual wind pressure value is smaller than the second preset wind pressure value, whether the actual wind pressure value is larger than or equal to a third preset wind pressure value or not is further judged, and the third preset wind pressure value is smaller than the second preset wind pressure value.
The application range of the water heater working in the first variable-lift mode is limited, and the working mode of the water heater needs to be further changed along with the further reduction of the wind pressure, so that a third preset wind pressure value can be set, and the working mode of the water heater can be further changed according to the magnitude relation between the actual wind pressure value and the third preset wind pressure value. The third preset wind pressure value may be set to 60% of the first preset wind pressure value.
S700: and if the actual wind pressure value is greater than or equal to the third preset wind pressure value, controlling the water heater to work in a second variable-lift mode, and controlling the fan to work in a high-wind-speed gear.
When the wind pressure is further reduced, the water heater needs to work in a second variable-lift mode, in the second variable-lift mode, the lift number of the water heater is further reduced, for example, the water heater which is originally reduced to 13L is changed into a 10L water heater, and meanwhile, according to the reduced lift number, a water regulating valve and a proportional valve of the water heater are controlled to change the valve quantity, adjust the water flow and the gas flow, and ensure the stable water outlet temperature. While the fan will continue to operate at the high wind speed gear.
In some embodiments, as shown in fig. 3, the method for controlling a water heater based on a wind pressure sensor further includes the following steps: s800: and if the actual wind pressure value is smaller than a third preset wind pressure value, controlling the water heater to stop working.
When the actual wind pressure value is further lower than a third preset wind pressure value, the wind pressure value is very low, and the water heater needs to stop working so as to ensure the safety of the water heater.
In some embodiments, the control method of the water heater based on the wind pressure sensor further comprises the following steps: and acquiring a wind pressure repairing instruction of a user, controlling a wind pressure sensor to detect wind pressure in real time to obtain an instant wind pressure value, calculating a difference value between the instant wind pressure value and a preset reference wind pressure value, and modifying a wind pressure starting value and a wind pressure closing value according to the difference value if the difference value is within a preset deviation range.
In the manufacturing process of the water heater, a manufacturer sets a wind pressure starting value and a wind pressure closing value for the water heater, wherein the wind pressure starting value refers to the wind pressure value when the water heater is started to normally work, and the wind pressure closing value refers to the wind pressure value after the water heater stops working. Generally, the wind pressure start value and the wind pressure off value are fixed values by default. However, in the actual use process of the user, because of the difference of the parameters and the installation mode of the smoke tube of each household, the resistance borne by the air inlet pipe and the smoke tube also has difference, if the water heater is controlled to work according to the fixed air pressure starting value and the fixed air pressure closing value, the combustion work of the water heater can be influenced, and even the water heater cannot be used.
The gas heater of this embodiment can set up dedicated "wind pressure and restore" button, and the user can click this "wind pressure and restore" button, and the controller acquires user's wind pressure repair instruction promptly. Or, a mobile device such as a mobile phone used by the user can communicate with the water heater, and the user can send a wind pressure repairing instruction to the controller of the water heater by operating the mobile device. According to the wind pressure repairing instruction, the controller controls the wind pressure sensor to detect the wind pressure value instantly to obtain an instant wind pressure value, and then the controller calculates the difference value between the instant wind pressure value and the preset reference wind pressure value, wherein the instant wind pressure value may be larger than, equal to or smaller than the preset reference wind pressure value, and therefore the difference value may be a positive number, zero or a negative number.
No matter what the actual value of the difference value is, the controller sets a preset deviation range in advance, and only if the difference value is within the preset deviation range, the function of 'wind pressure repair' can be executed. The control will modify the wind pressure on value and the wind pressure off value according to the difference, for example, the set wind pressure on value is-59 Pa, the difference is 3Pa, the two can be added to get the modified wind pressure on value is-56 Pa.
If the difference value exceeds the preset deviation range, the wind pressure deviation is obviously overlarge, the water heater has the problem of wind pressure, and the wind pressure repair can not be carried out according to the difference value.
This embodiment makes the water heater can carry out the self-regulation, lets the water heater modify wind pressure starting value and wind pressure closing value to match actual in service behavior, make the water heater can high-efficient stable work. Meanwhile, the regulation is started manually, so that the condition that the parameters are frequently and repeatedly modified to cause instability of the water heater is prevented.
The complete wind pressure repair process of the embodiment can be as follows: 1. powering on the water heater; 2. opening a water outlet valve of the water heater, detecting whether water in the pipeline flows, and if the water flow is detected, performing the next step; 3. the water heater starts the fan to clean the smoke tube with the maximum power; 4. a user sends a wind pressure repairing instruction, and the controller controls the wind pressure sensor to detect a wind pressure value in real time to obtain a real-time wind pressure value; 5. the controller calculates the difference value between the instant wind pressure value and a preset reference wind pressure value; 6. if the difference value is within the preset deviation range, modifying the wind pressure starting value and the wind pressure closing value according to the difference value; 7. detecting whether the circuit works normally, and if the circuit works normally, carrying out the next step; 8. adjusting the fan to the ignition wind speed; 9. pulse-igniting the igniter; 10. opening a gas valve; 11. feeding back the combustion condition of the combustor through a feedback needle; 12. and if the combustor works normally, keeping the current working state.
The embodiment of the present invention further provides a water heater, as shown in fig. 4, which includes a smoke tube 100, a fan 200, a wind pressure sensor 400, a pressure measuring device 300 and a controller 500, wherein the smoke tube 100 is used for discharging smoke, and the fan 200 is used for blowing air to the smoke tube 100 to discharge the smoke. The pressure measuring device 300 is fixed on the smoke tube 100, and the pressure measuring device 300 is connected with the wind pressure sensor 400, so that the wind pressure sensor 400 can detect the wind pressure in the smoke tube 100. The fan 200 and the wind pressure sensor 400 are electrically connected to the controller 500, the wind pressure sensor 400 can send the detected wind pressure value to the controller 500, and the controller 500 can send out a control signal to control the fan 200 to work.
The controller 500 is configured to perform the following method: acquiring an actual wind pressure value detected by a wind pressure sensor 400; judging whether the actual wind pressure value is greater than or equal to a first preset wind pressure value or not, and controlling the water heater to work in a normal working mode if the actual wind pressure value is greater than or equal to the first preset wind pressure value; if the actual wind pressure value is smaller than the first preset wind pressure value, further judging whether the actual wind pressure value is larger than or equal to a second preset wind pressure value, wherein the second preset wind pressure value is smaller than the first preset wind pressure value; and if the actual wind pressure value is greater than or equal to the second preset wind pressure value, controlling the water heater to work in a first lifting mode, and controlling the fan 200 to work in a high-wind-speed gear.
In some embodiments, the controller 500 is further configured to perform the following method: if the actual wind pressure value is smaller than the second preset wind pressure value, further judging whether the actual wind pressure value is larger than or equal to a third preset wind pressure value, wherein the third preset wind pressure value is smaller than the second preset wind pressure value; and if the actual wind pressure value is greater than or equal to the third preset wind pressure value, controlling the water heater to work in a second variable-lift mode, and controlling the fan 200 to work in a high-wind-speed gear.
In some embodiments, the controller 500 is further configured to perform the following method: and if the actual wind pressure value is smaller than a third preset wind pressure value, controlling the water heater to stop working.
In some embodiments, the controller 500 is further configured to perform the following method: and acquiring a wind pressure repairing instruction of a user, controlling the wind pressure sensor 400 to detect wind pressure in real time to obtain an instant wind pressure value, calculating a difference value between the instant wind pressure value and a preset reference wind pressure value, and modifying a wind pressure starting value and a wind pressure closing value according to the difference value if the difference value is within a preset deviation range.
For a detailed description of the method that the controller 500 is configured to execute, reference may be made to the embodiment of the wind pressure sensor-based water heater control method, which is not described herein again.
In some embodiments, the water heater further includes a display and a control button, both the control button and the display being electrically connected to the controller. A plurality of control buttons may be provided, and a user may click one of the control buttons to issue a wind pressure recovery instruction to the controller 500. The display can show information such as temperature, water yield, and when the user clicked one of them control button, the changeable wind pressure value that shows the instant detection of wind pressure sensor 400 of display, the user of being convenient for sets for relevant parameter, also is convenient for the maintenance of water heater.
In some embodiments, the water heater can be provided with an alarm module, the alarm module is electrically connected with the controller, and the alarm module can be a voice alarm device. When the wind pressure value is lower than the third preset wind pressure value, the controller can control the alarm module to give an alarm so that a user can timely know the abnormal condition.
In some embodiments, the water heater is further provided with a parameter adjusting function, the display can provide a parameter adjusting menu and display a corresponding parameter adjusting interface, and a user can adjust related parameters by operating the control buttons.
The foregoing is a more detailed description of the present invention that is presented in conjunction with specific embodiments, and the practice of the invention is not to be considered limited to those descriptions. It will be apparent to those skilled in the art that a number of simple derivations or substitutions can be made without departing from the inventive concept.
Claims (7)
1. A water heater control method based on a wind pressure sensor is characterized by comprising the following steps:
acquiring an actual wind pressure value detected by a wind pressure sensor;
judging whether the actual wind pressure value is greater than or equal to a first preset wind pressure value or not, and controlling the water heater to work in a normal working mode if the actual wind pressure value is greater than or equal to the first preset wind pressure value;
if the actual wind pressure value is smaller than the first preset wind pressure value, further judging whether the actual wind pressure value is larger than or equal to a second preset wind pressure value, wherein the second preset wind pressure value is smaller than the first preset wind pressure value;
if the actual wind pressure value is larger than or equal to a second preset wind pressure value, controlling the water heater to work in a first lifting mode, and controlling the fan to work in a high-wind-speed gear;
and acquiring a wind pressure repairing instruction of a user, controlling a wind pressure sensor to detect wind pressure in real time to obtain an instant wind pressure value, calculating a difference value between the instant wind pressure value and a preset reference wind pressure value, and modifying a wind pressure starting value and a wind pressure closing value according to the difference value if the difference value is within a preset deviation range.
2. The control method of the water heater based on the wind pressure sensor according to claim 1, further comprising the following steps:
if the actual wind pressure value is smaller than the second preset wind pressure value, further judging whether the actual wind pressure value is larger than or equal to a third preset wind pressure value, wherein the third preset wind pressure value is smaller than the second preset wind pressure value;
and if the actual wind pressure value is greater than or equal to the third preset wind pressure value, controlling the water heater to work in a second variable-lift mode, and controlling the fan to work in a high-wind-speed gear.
3. The control method of the water heater based on the wind pressure sensor according to claim 2, further comprising the following steps: and if the actual wind pressure value is smaller than a third preset wind pressure value, controlling the water heater to stop working.
4. A water heater, characterized in that: the device comprises a smoke tube, a fan, a wind pressure sensor, a pressure taking device and a controller, wherein the fan is used for blowing air to the smoke tube, the pressure taking device is fixed on the smoke tube and connected with the wind pressure sensor, and the fan and the wind pressure sensor are both electrically connected with the controller; the controller is configured to perform the following method: acquiring an actual wind pressure value detected by a wind pressure sensor; judging whether the actual wind pressure value is greater than or equal to a first preset wind pressure value or not, and controlling the water heater to work in a normal working mode if the actual wind pressure value is greater than or equal to the first preset wind pressure value; if the actual wind pressure value is smaller than the first preset wind pressure value, further judging whether the actual wind pressure value is larger than or equal to a second preset wind pressure value, wherein the second preset wind pressure value is smaller than the first preset wind pressure value; if the actual wind pressure value is larger than or equal to a second preset wind pressure value, controlling the water heater to work in a first variable-lift mode, and controlling the fan to work in a high-wind-speed gear;
the controller is further configured to perform the method of: and acquiring a wind pressure repairing instruction of a user, controlling a wind pressure sensor to detect wind pressure in real time to obtain an instant wind pressure value, calculating a difference value between the instant wind pressure value and a preset reference wind pressure value, and modifying a wind pressure starting value and a wind pressure closing value according to the difference value if the difference value is within a preset deviation range.
5. The water heater of claim 4, wherein the controller is further configured to perform the method of: if the actual wind pressure value is smaller than the second preset wind pressure value, further judging whether the actual wind pressure value is larger than or equal to a third preset wind pressure value, wherein the third preset wind pressure value is smaller than the second preset wind pressure value; and if the actual wind pressure value is greater than or equal to a third preset wind pressure value, controlling the water heater to work in a second variable-lift mode, and controlling the fan to work in a high-wind-speed gear.
6. The water heater of claim 5, wherein the controller is further configured to perform the method of: and if the actual wind pressure value is smaller than a third preset wind pressure value, controlling the water heater to stop working.
7. The water heater according to claim 5 or 6, further comprising a display and a control button, both of which are electrically connected to the controller.
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CN113606793B (en) * | 2021-07-16 | 2022-12-09 | 广东万家乐燃气具有限公司 | Gas water heating equipment based on alternating current fan and high wind resistance control method thereof |
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CN205373066U (en) * | 2015-12-28 | 2016-07-06 | 思达文电器(深圳)有限公司 | High -efficient burning intelligence constant temperature gas heater |
CN109028594B (en) * | 2018-06-01 | 2021-06-15 | 广东万和热能科技有限公司 | Air-fuel ratio control method and device for gas heating water heater and gas heating water heater |
CN110307651B (en) * | 2019-06-04 | 2021-04-06 | 广东万和新电气股份有限公司 | Control method and control system of gas water heater |
CN111365851B (en) * | 2020-03-02 | 2021-08-27 | 华帝股份有限公司 | Method for controlling water heater based on wind pressure |
CN111365850B (en) * | 2020-03-02 | 2022-02-22 | 华帝股份有限公司 | Water heater control method based on wind pressure |
CN112128991B (en) * | 2020-09-02 | 2022-02-22 | 华帝股份有限公司 | Exhaust protection control method and water heater using same |
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