CN111043768A - Gas heating water heater control method and device and gas heating water heater - Google Patents
Gas heating water heater control method and device and gas heating water heater Download PDFInfo
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- CN111043768A CN111043768A CN201911247951.8A CN201911247951A CN111043768A CN 111043768 A CN111043768 A CN 111043768A CN 201911247951 A CN201911247951 A CN 201911247951A CN 111043768 A CN111043768 A CN 111043768A
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- water heater
- heating water
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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
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N1/00—Regulating fuel supply
- F23N1/02—Regulating fuel supply conjointly with air supply
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
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- Thermal Sciences (AREA)
- Regulation And Control Of Combustion (AREA)
Abstract
A control method and a device for a gas heating water heater are provided, wherein the method comprises the following steps: acquiring the combustion state of a gas heating water heater; adjusting the running state of a fan according to the combustion state of the gas heating water heater; wherein, the running state of the fan corresponds to the combustion state of the gas heating water heater. The rotating speed of the fan is adjusted according to the combustion state of the gas heating water heater, so that the rotating speed of the fan corresponds to the sectional combustion state of the gas heating water heater, the phenomenon that flame is drawn out due to overhigh rotating speed of the fan is avoided, the defect that carbon monoxide exceeds the standard due to insufficient combustion is overcome, and the safety coefficient of the gas heating water heater is improved.
Description
Technical Field
The invention relates to the technical field of household heating equipment, in particular to a control method and device of a gas heating water heater and the gas heating water heater.
Background
A gas heating water heater, also called a gas wall-mounted heater, is a water heater which supplies hot water by natural gas. The household gas heating water heater is a household appliance with double functions of providing household heating and domestic hot water. The gas heating water heater has a powerful household central heating function, meets the household heating requirement, provides domestic hot water for users, and brings great living convenience for the users.
When the gas heating water heater works in a sectional combustion mode, if the fixed frequency speed of the fan is kept unchanged, the problems that the flame is pulled out due to small combustion flame and high air draft speed are easy to occur, and the carbon monoxide exceeds the standard due to insufficient combustion further occur.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defect that carbon monoxide exceeds the standard due to the over-high rotating speed of a fan when a gas heating water heater is in a sectional combustion mode, so that the invention provides a control method of the gas heating water heater, which comprises the following steps:
acquiring the combustion state of a gas heating water heater;
adjusting the running state of a fan according to the combustion state of the gas heating water heater;
wherein, the running state of the fan corresponds to the combustion state of the gas heating water heater.
Preferably, the adjusting the operation state of the fan includes:
adjusting the working voltage of the fan;
controlling the fan to operate according to a preset operation state;
wherein the preset operation state corresponds to a combustion state of the gas heating water heater.
Preferably, the adjusting the operating voltage of the fan includes:
and chopping the working voltage of the fan.
Preferably, the acquiring the combustion state of the gas-fired heating water heater includes:
acquiring the working mode of the gas heating water heater;
when the working mode of the gas heating water heater is a domestic hot water mode, adjusting the working states of a proportional valve and a section valve of the gas heating water heater;
and acquiring the combustion state of the gas heating water heater according to the working states of the proportional valve and the segment valve.
Preferably, the adjusting of the operating states of the proportional valve and the segment valve of the gas heating water heater includes:
adjusting the opening of the proportional valve, and controlling the opening and closing of the sectional valve;
the number of the segmented valves is multiple, and the opening degree of the proportional valve corresponds to the opening number of the segmented valves.
Preferably, after the operating state of the fan is adjusted, the method further includes:
acquiring an air duct pressure value of the fan;
judging whether the air duct pressure value is outside an air duct pressure preset interval, wherein the air duct pressure preset interval corresponds to the combustion state of the gas heating water heater;
and when the air duct pressure value is positioned outside the preset air duct pressure interval, closing the gas heating water heater.
Preferably, the acquiring a duct pressure signal includes:
and detecting the air duct pressure signal through a wind pressure sensor.
Preferably, the detecting the air duct pressure signal by the air pressure sensor includes:
and detecting the air duct pressure signal in real time through the air pressure sensor.
Correspondingly, the invention also provides a control device of the gas heating water heater, which comprises:
the first acquisition module is used for acquiring the combustion state of the gas heating water heater;
the adjusting module is used for adjusting the running state of a fan according to the combustion state of the gas heating water heater;
wherein, the running state of the fan corresponds to the combustion state of the gas heating water heater.
Preferably, the adjusting module includes:
the first adjusting unit is used for adjusting the working voltage of the fan;
the first control unit is used for controlling the fan to operate according to a preset operation state;
wherein the preset operation state corresponds to a combustion state of the gas heating water heater.
Preferably, the first adjusting unit performs chopping processing on the working voltage of the fan.
Preferably, the first obtaining module includes:
the first acquisition unit is used for acquiring the working mode of the gas heating water heater;
the second adjusting unit is used for adjusting the working states of a proportional valve and a sectional valve of the gas heating water heater when the working mode of the gas heating water heater is a domestic hot water mode;
and the second acquisition unit is used for acquiring the combustion state of the gas heating water heater according to the working states of the proportional valve and the segment valve.
Preferably, the second adjusting unit includes:
the first adjusting subunit is used for adjusting the opening of the proportional valve;
a second adjustment subunit for controlling the opening and closing of the segment valve;
the number of the segmented valves is multiple, and the opening degree of the proportional valve corresponds to the opening number of the segmented valves.
Preferably, the gas-fired heating water heater control device further includes:
the second acquisition module is used for acquiring the air duct pressure value of the fan;
a judging module for judging whether the air duct pressure value is outside the preset air duct pressure interval,
and the control module is used for closing the gas heating water heater when the air duct pressure value is positioned outside the preset air duct pressure interval.
Preferably, the second acquiring module detects the air duct pressure signal through a wind pressure sensor.
Preferably, the second acquisition module detects the air duct pressure signal in real time through a wind pressure sensor.
The invention also provides a gas heating water heater, which comprises any one of the gas heating water heater control devices, and further comprises: the air pressure sensor, the proportional valve and the multiple section valves are arranged in the air duct of the fan;
the gas heating water heater control device is respectively electrically connected with the fan, the wind pressure sensor, the proportional valve and the plurality of segment valves.
The invention also provides electronic equipment which comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor, wherein the processor realizes the steps of any gas heating water heater control method when executing the computer program.
The technical scheme of the invention has the following advantages:
according to the control method and the device for the gas heating water heater, the rotating speed of the fan is adjusted according to the combustion state of the gas heating water heater, the rotating speed of the fan corresponds to the sectional combustion state of the gas heating water heater, the phenomenon that flame is pulled away due to overhigh rotating speed of the fan is avoided, the defect that carbon monoxide exceeds the standard due to insufficient combustion is overcome, and the safety coefficient of the gas heating water heater is improved.
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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a flow chart of a method for controlling a gas-fired water heater according to an embodiment of the present invention;
FIG. 2 is a flowchart of a method of step S100 according to an embodiment of the present invention;
FIG. 3 is a flowchart of the method of step S200 according to the embodiment of the present invention
FIG. 4 is a flowchart illustrating another method for controlling a gas-fired water heater according to an embodiment of the present invention;
FIG. 5 is a block diagram of a gas heating hot water rate control device according to an embodiment of the present invention;
FIG. 6 is a block diagram of a first obtaining module in an embodiment of the present invention;
FIG. 7 is a block diagram of a first adjusting unit according to an embodiment of the present invention;
FIG. 8 is a block diagram of an adjustment module in an embodiment of the invention;
fig. 9 is a block diagram of a gas heating water heater according to an embodiment of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
A first aspect of the embodiments of the present invention provides a method for controlling a gas-fired water heater, with reference to fig. 1, including the following steps:
and S100, acquiring the combustion state of the gas heating water heater.
And S200, adjusting the running state of the fan 2 according to the combustion state of the gas heating water heater.
Wherein, the running state of the fan 2 corresponds to the combustion state of the gas heating water heater.
The rotating speed of the fan 2 is adjusted according to the combustion state of the gas heating water heater, so that the rotating speed of the fan 2 corresponds to the sectional combustion state of the gas heating water heater, the phenomenon that flame is pulled away due to overhigh rotating speed of the fan 2 is avoided, the defect that carbon monoxide exceeds the standard due to insufficient combustion is overcome, and the safety coefficient of the gas heating water heater is improved.
In one implementation manner of the embodiment of the present invention, referring to fig. 2, the step S100 of obtaining the combustion state of the gas-fired water heater includes:
and S101, acquiring the working mode of the gas heating water heater.
And S102, when the working mode of the gas heating water heater is a domestic hot water mode, adjusting the working states of the proportional valve 4 and the segment valve 5 of the gas heating water heater.
S103, acquiring the combustion state of the gas heating water heater according to the working states of the proportional valve 4 and the segment valve 5.
In step S102, when the gas-fired water heater is in the domestic hot water operation mode, the temperature of the outlet water and the temperature of the inlet water are not greatly different, and the gas-fired water heater is in the low-power operation state, and the opening degree of the proportional valve 4 is controlled to reduce the air intake amount for combustion. At the same time, one or more of the plurality of segment valves 5 are controlled to close.
Optionally, adjusting the working states of the proportional valve 4 and the segment valve 5 includes: the opening degree of the proportional valve 4 is adjusted to control the opening and closing of the sectional valve 5.
Wherein, the number of the segment valves 5 is multiple, and the opening degree of the proportional valve 4 corresponds to the opening number of the segment valves 5. The opening degree of the proportional valve 4 corresponds to the open or closed state of the plurality of segment valves 5, that is, the intake amount of the gas is positively correlated to the burner usage amount of the gas heating water heater.
In another implementation manner of the embodiment of the present invention, referring to fig. 3, the adjusting the operation state of the fan 2 in step S200 includes:
s201, adjusting the working voltage of the fan 2.
And S202, controlling the fan 2 to operate according to a preset operation state.
Wherein the preset operation state corresponds to the combustion state of the gas heating water heater. The preset operating state of the fan 2 is the rotational speed of the fan 2. When the gas heating hot water rate is in a full-power combustion state, the rotating speed of the fan 2 is correspondingly the full-power rotating speed; when the gas heating hot water rate is the stage combustion state, namely when one or more of a plurality of stage valves 5 are closed, the flame of burning is less, and the fan 2 adopts the full power rotational speed and can lead to the insufficient problem of burning, can only adopt the rotational speed operation corresponding with the stage valve 5 in service behavior to guarantee the abundant burning of gas.
Optionally, the adjusting the working voltage of the fan 2 in step S202 includes: chopping processing is performed on the working voltage of the fan 2.
When the rotating speed of the fan 2 needs to be adjusted, the working voltage of the fan 2 can be adjusted. Furthermore, the working voltage of the fan 2 is chopped, so that the rotating speed of the fan 2 can be adjusted, and the device has the advantages of high adjustment precision, high reaction speed and the like.
In an implementation manner of the embodiment of the present invention, referring to fig. 4, after step S200, the method for controlling a gas-fired heating water heater further includes:
and S300, acquiring the air duct pressure value of the fan 2.
And S400, judging whether the air duct pressure value is outside the preset air duct pressure interval. Wherein, the preset interval of the air duct pressure corresponds to the combustion state of the gas heating water heater.
And S500, when the air duct pressure value is outside the preset air duct pressure interval, closing the gas heating water heater.
By detecting the air duct pressure value in the fan 2, when the air duct pressure value is within the preset air duct pressure range corresponding to the combustion state, it can be determined that the fan 2 is in the normal operation state corresponding to the combustion state, that is, the operation state of the gas heating hot water rate is normal, and no intervention is needed. When the air duct pressure value is out of the preset air duct pressure range corresponding to the combustion state, it can be determined that the fan 2 is in an abnormal operation state corresponding to the combustion state, that is, the operation state of the gas heating hot water rate is abnormal, and the fan needs to be stopped to be detected or restarted after waiting for a preset time and then detected again. Specifically, when the pressure value of the air duct is greater than the preset air duct pressure interval, the air duct is subjected to a strong windward wind; and when the air duct pressure value is smaller than the preset air duct pressure interval, the air duct is blocked. The above situations all need to stop the gas heating hot water rate.
Optionally, the acquiring of the air duct pressure signal in step S300 includes: and detecting an air duct pressure signal through the air pressure sensor 3.
One way to obtain the air duct pressure signal is to provide the air pressure sensor 3 in the air duct of the fan 2, and the air pressure sensor 3 obtains the air duct pressure signal of the fan 2, i.e. the air duct pressure value, and has many advantages of convenient detection, accurate result, low cost, etc.
Preferably, the detecting of the air duct pressure signal by the air pressure sensor 3 includes: and detecting the air duct pressure signal in real time through the air pressure sensor 3.
The wind pressure sensor 3 is electrically connected with the gas heating water heater control device 1, and can detect the air channel pressure signal in real time and transmit the signal to the gas heating water heater control device 1.
A second aspect of the embodiment of the present invention provides a gas-fired water heater control device 1, with reference to fig. 5, including: a first obtaining module 11 and an adjusting module 12. The first obtaining module 11 is used for obtaining a combustion state of the gas heating water heater. The adjusting module 12 is used for adjusting the operation state of the fan 2 according to the combustion state of the gas heating water heater. Wherein, the running state of the fan 2 corresponds to the combustion state of the gas heating water heater.
Optionally, referring to fig. 6, the first obtaining module 11 includes: a first acquisition unit 111, a first adjustment unit 112 and a second acquisition unit 113. The first obtaining unit 111 is used for obtaining the operation mode of the gas heating water heater. The first adjusting unit 112 is used for adjusting the working states of the proportional valve 4 and the segment valve 5 when the working mode of the gas heating water heater is the live hot water mode. The second obtaining unit 113 is configured to obtain a combustion state of the gas-fired water heater according to the operating states of the proportional valve 4 and the segment valve 5.
Optionally, referring to fig. 7, the first adjusting unit 112 includes: a first adjusting subunit 1121 and a second adjusting subunit 1122. The first adjustment subunit 1121 is used to adjust the opening degree of the proportional valve 4. The second adjustment subunit 1122 is used to control the opening and closing of the segment valve 5. Wherein, the number of the segment valves 5 is multiple, and the opening degree of the proportional valve 4 corresponds to the opening number of the segment valves 5.
In one implementation manner of the embodiment of the present invention, referring to fig. 8, the adjusting module 12 includes: a second adjusting unit 121 and a first control unit 122. The second adjusting unit 121 is used for adjusting the operating voltage of the fan 2. The first control unit 122 is configured to control the fan 2 to operate according to a preset operation state. Wherein the preset operation state corresponds to the combustion state of the gas heating water heater.
Optionally, the second adjusting unit 121 performs chopping processing on the working voltage of the fan 2.
In one embodiment of the present invention, referring to fig. 5, the gas-fired water heater control device further includes: a second obtaining module 13, a judging module 14 and a control module 15. The second obtaining module 13 is configured to obtain an air duct pressure value of the fan 2. The determining module 14 is configured to determine whether the air duct pressure value is outside the preset air duct pressure range. The control module 15 is used for closing the gas heating water heater when the air duct pressure value is outside the preset air duct pressure interval.
Optionally, the second obtaining module 13 detects the air duct pressure signal through the air pressure sensor 3.
Preferably, the second obtaining module 13 detects the air duct pressure signal in real time through the air pressure sensor 3.
A third aspect of the embodiments of the present invention provides a gas-fired water heater, referring to fig. 9, including a gas-fired water heater control device 1, further including: the air conditioner comprises a fan 2, a wind pressure sensor 3 arranged in an air channel of the fan 2, a proportional valve 4 and a plurality of section valves 5. The gas heating water heater control device is respectively and electrically connected with the fan 2, the wind pressure sensor 3, the proportional valve 4 and the plurality of segment valves 5.
A fourth aspect of an embodiment of the present invention provides an electronic device, including a memory, a processor, and a computer program stored in the memory and operable on the processor, where the processor implements the steps of any one of the gas-fired heating and water-heating boiler control methods when executing the computer program.
According to the control method and the device for the gas heating water heater, the rotating speed of the fan is adjusted according to the combustion state of the gas heating water heater, the rotating speed of the fan corresponds to the sectional combustion state of the gas heating water heater, the phenomenon that flame is pulled away due to overhigh rotating speed of the fan is avoided, the defect that carbon monoxide exceeds the standard due to insufficient combustion is overcome, and the safety coefficient of the gas heating water heater is improved.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (18)
1. A control method of a gas heating water heater is characterized by comprising the following steps:
acquiring the combustion state of a gas heating water heater;
adjusting the running state of a fan according to the combustion state of the gas heating water heater;
wherein, the running state of the fan corresponds to the combustion state of the gas heating water heater.
2. The gas-fired heating water heater control method according to claim 1, wherein the adjusting of the operation state of the fan comprises:
adjusting the working voltage of the fan;
controlling the fan to operate according to a preset operation state;
wherein the preset operation state corresponds to a combustion state of the gas heating water heater.
3. The gas-fired heating water heater control method according to claim 2, wherein the adjusting of the operating voltage of the fan comprises:
and chopping the working voltage of the fan.
4. The gas-fired heating water heater control method according to claim 1, wherein the acquiring of the combustion state of the gas-fired heating water heater includes:
acquiring the working mode of the gas heating water heater;
when the working mode of the gas heating water heater is a domestic hot water mode, adjusting the working states of a proportional valve and a section valve of the gas heating water heater;
and acquiring the combustion state of the gas heating water heater according to the working states of the proportional valve and the segment valve.
5. The method for controlling the gas-fired heating water heater according to claim 4, wherein the adjusting of the operating states of the proportional valve and the segment valve of the gas-fired heating water heater comprises:
adjusting the opening of the proportional valve, and controlling the opening and closing of the sectional valve;
the number of the segmented valves is multiple, and the opening degree of the proportional valve corresponds to the opening number of the segmented valves.
6. The method for controlling a gas-fired heating water heater according to claim 1, further comprising, after adjusting the operation state of the fan:
acquiring an air duct pressure value of the fan;
judging whether the air duct pressure value is outside an air duct pressure preset interval, wherein the air duct pressure preset interval corresponds to the combustion state of the gas heating water heater;
and when the air duct pressure value is positioned outside the preset air duct pressure interval, closing the gas heating water heater.
7. The gas-fired heating water heater control method according to claim 6, wherein the acquiring of the duct pressure signal comprises:
and detecting the air duct pressure signal through a wind pressure sensor.
8. The gas-fired heating water heater control method according to claim 7, wherein the detecting the duct pressure signal by a wind pressure sensor includes:
and detecting the air duct pressure signal in real time through the air pressure sensor.
9. The utility model provides a gas heating water heater controlling means which characterized in that includes:
the first acquisition module is used for acquiring the combustion state of the gas heating water heater;
the adjusting module is used for adjusting the running state of a fan according to the combustion state of the gas heating water heater;
wherein, the running state of the fan corresponds to the combustion state of the gas heating water heater.
10. The gas-fired heating water heater control device according to claim 9, wherein the adjusting module comprises:
the first adjusting unit is used for adjusting the working voltage of the fan;
the first control unit is used for controlling the fan to operate according to a preset operation state;
wherein the preset operation state corresponds to a combustion state of the gas heating water heater.
11. The gas-fired heating water heater control device according to claim 10,
the first adjusting unit performs chopping processing on the working voltage of the fan.
12. The gas-fired heating water heater control device according to claim 9, wherein the first obtaining module includes:
the first acquisition unit is used for acquiring the working mode of the gas heating water heater;
the second adjusting unit is used for adjusting the working states of a proportional valve and a sectional valve of the gas heating water heater when the working mode of the gas heating water heater is a domestic hot water mode;
and the second acquisition unit is used for acquiring the combustion state of the gas heating water heater according to the working states of the proportional valve and the segment valve.
13. The gas-fired heating water heater control device according to claim 12, wherein the second adjusting unit includes:
the first adjusting subunit is used for adjusting the opening of the proportional valve;
a second adjustment subunit for controlling the opening and closing of the segment valve;
the number of the segmented valves is multiple, and the opening degree of the proportional valve corresponds to the opening number of the segmented valves.
14. The gas-fired heating water heater control device according to claim 9, further comprising:
the second acquisition module is used for acquiring the air duct pressure value of the fan;
a judging module for judging whether the air duct pressure value is outside the preset air duct pressure interval,
and the control module is used for closing the gas heating water heater when the air duct pressure value is positioned outside the preset air duct pressure interval.
15. The gas-fired heating water heater control device according to claim 14,
the second acquisition module detects the air duct pressure signal through a wind pressure sensor.
16. The gas-fired heating water heater control device according to claim 15,
the second acquisition module detects the air duct pressure signal in real time through a wind pressure sensor.
17. A gas-fired heating water heater comprising the gas-fired heating water heater control device according to any one of claims 9 to 16, further comprising: the air pressure sensor, the proportional valve and the multiple section valves are arranged in the air duct of the fan;
the gas heating water heater control device is respectively electrically connected with the fan, the wind pressure sensor, the proportional valve and the plurality of segment valves.
18. An electronic device, comprising a memory, a processor and a computer program stored on the memory and operable on the processor, wherein the processor executes the computer program to implement the steps of the method for controlling a gas-fired heating water heater according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911247951.8A CN111043768A (en) | 2019-12-09 | 2019-12-09 | Gas heating water heater control method and device and gas heating water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911247951.8A CN111043768A (en) | 2019-12-09 | 2019-12-09 | Gas heating water heater control method and device and gas heating water heater |
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| CN111043768A true CN111043768A (en) | 2020-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911247951.8A Pending CN111043768A (en) | 2019-12-09 | 2019-12-09 | Gas heating water heater control method and device and gas heating water heater |
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Cited By (1)
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| CN115468314A (en) * | 2022-09-08 | 2022-12-13 | 珠海格力电器股份有限公司 | Warm-air machine gear control circuit and warm-air machine |
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