CN113758019A - Wind-resistant control method for gas water heater using constant-flow fan to exhaust air - Google Patents
Wind-resistant control method for gas water heater using constant-flow fan to exhaust air Download PDFInfo
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- CN113758019A CN113758019A CN202111039556.8A CN202111039556A CN113758019A CN 113758019 A CN113758019 A CN 113758019A CN 202111039556 A CN202111039556 A CN 202111039556A CN 113758019 A CN113758019 A CN 113758019A
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- water heater
- wind
- gas water
- wind pressure
- flue
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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
Abstract
The invention discloses a wind resistance control method of a gas water heater for exhausting wind by using a constant-flow fan, which specifically comprises the following steps: s1, when the gas water heater is installed, a wind pressure sensor is installed on the outdoor wall surface and at the position of the exhaust flue of the gas water heater, and when the gas water heater is opened by a user for operation in daily use, the wind pressure sensor detects wind force borne by the exhaust flue at the current period and measures the wind force. This use gas heater anti-wind control method of constant current fan air exhaust, through the control of multistage adjustment nature, let gas heater when high-rise use, its anti-wind ability is stronger, also need not worry its performance and can receive the influence of anti-wind subassembly when normal use in addition, this lets people more convenient when daily use, and gas heater's use is more stable, still possesses stable operating condition when the emergence of effectual prevention accident.
Description
Technical Field
The invention relates to the technical field of gas water heater control, in particular to a wind-resistant control method of a gas water heater for exhausting air by using a constant-flow fan.
Background
The gas water heater is mainly composed of a valve body assembly, a main burner, a small fire burner, a heat exchanger, a safety device and the like, and also comprises a flue of a flue type water heater and a forced-exhaust device of a forced-exhaust type water heater. The valve body assembly controls the working procedure of the whole water heater and comprises a water valve, an air valve, a microswitch, an igniter and the like. When the water heater is installed, valves are installed on the water inlet pipe, the water outlet pipe and the gas pipe, and air pressure is blocked by a building, so that air around the building is blocked, dynamic pressure is reduced, and static pressure is increased. Local eddy current is generated on the side surface and the back surface, static pressure is reduced, and dynamic pressure is increased. This increase and decrease in static pressure is referred to collectively as wind pressure, as compared to the far undisturbed air flow.
The existing wind-resistant control method for the gas water heater using the constant-flow fan to exhaust air is inconvenient to use in practice, is single when used under the condition of facing complex weather, and cannot be adjusted according to the weather state, so that the use efficiency is greatly reduced, the use experience of a user is poor, and the use of the user is not facilitated.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a wind-resistant control method of a gas water heater using a constant-flow fan to exhaust air, which solves the problems in the background art.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a wind-resistant control method of a gas water heater using a constant-flow fan to exhaust air specifically comprises the following steps:
s1, when the gas water heater is installed, a wind pressure sensor is installed on the outdoor wall surface and at the position of an exhaust flue of the gas water heater, when the gas water heater is used daily, a user opens the gas water heater to operate, meanwhile, the wind pressure sensor detects wind force borne by the exhaust flue at the current period, measures the wind force, displays a measured value on an electronic display screen of the gas water heater, and interferes with a processor inside the gas water heater to perform subsequent auxiliary operation;
s2, judging the wind pressure grade, and selecting a corresponding coping scheme to adjust the whole smoke exhaust components such as the exhaust flue of the gas water heater according to the wind pressure strength of different grades;
s3, the check valve is electrically controlled, a closed area of the check valve is selected according to the strength levels of different wind pressures, for example, when the wind pressure level is weak and normal use is not influenced, the check valve can be completely closed, the check function is not used temporarily to ensure the smoothness of an exhaust flue, if the wind pressure level is medium and normal smoke exhaust use is influenced, the check area of the check valve is selected to be controlled to be 50%, under the condition of ensuring the smoothness of the exhaust flue, the situation of backflow of smoke is prevented, if the wind pressure level is dangerous and the normal use of the gas water heater can be strongly interfered, the power of the whole gas water heater is reduced through a processor, and the check valve is completely opened;
s4, adjusting the discharge angle of the flue, wherein the discharge angle of the tail end of the air duct is downward vertical discharge in a normal use state, the discharge angle of the tail end of the air duct is upward vertical discharge in a medium wind pressure state, and once the wind pressure level is in a dangerous state and seriously influences the use, the discharge angle of the tail end of the air duct faces towards a building body, and the distance between the wall of the building body and the flue is 5 cm;
s5, in the adjusting process of the flue and the check valve, the constant flow fan can be adjusted along with the adjustment, because the wind power grade of the constant flow fan is fixed, when the adjustment is needed, filter plates are respectively arranged at the air inlet and the air outlet of the fan, and the filter plates with dense holes are added to reduce the entering and the discharging of the air volume so as to deal with the grade of the wind pressure;
and S6, after the adjustment application is completed, the gas water heater carries out self-checking, checks whether each function can be normally carried out and whether the adjustment degree and the position are accurate, and displays the inspection result on a display screen of the gas water heater for a user to inspect.
Preferably, the mounting position of the wind pressure sensor is far away from the exhaust flue, is higher than 50cm away from the wall surface of the building body, and is firmly fixed by using a fixing frame.
Preferably, the flue opening is rotatable and is pushed by a push rod to turn.
Preferably, the control center of the gas water heater is connected with the alarm center, and when a certain problem is detected during self-checking, the control center immediately interferes with the alarm center to react.
(III) advantageous effects
The invention provides a wind-resistant control method for a gas water heater using a constant-flow fan to exhaust air. The method has the following beneficial effects:
(1) this use gas heater anti-wind control method that constant current fan airs exhaust, through the control of multistage adjustment nature, let gas heater when high-rise use, its anti-wind ability is stronger, also need not worry its performance and can receive the influence of anti-wind subassembly when normal use in addition, this lets people more convenient when daily use, gas heater's use is more stable, still possesses stable operating condition when the emergence of effectual prevention accident, this people of being convenient for use.
(2) This use anti-wind control method of gas heater who constant current fan airs exhaust, through the construction of self-checking system, let people can know gas heater at present your operating condition more, and the in service condition of each item subassembly in the gas heater under the more deep understanding current state helps the more careful use of gas heater of user, can know the key place of problem the very first time when any problem appears, and this does benefit to people and uses.
Drawings
Fig. 1 is a block diagram illustrating the operation of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Please refer to fig. 1, which illustrates an embodiment of the present invention: a wind-resistant control method of a gas water heater using a constant-flow fan to exhaust air specifically comprises the following steps:
s1, when installing the gas water heater, installing a wind pressure sensor on the outdoor wall and at the exhaust flue of the gas water heater, when in daily use, the user opens the gas water heater to operate, at the same time, the wind pressure sensor detects the wind force borne by the current exhaust flue, measures the wind force, displays the measured value on the electronic display screen of the gas water heater, and interacts with the processor in the gas water heater to perform subsequent auxiliary operation, the wind pressure sensor is the most common sensor in industrial practice, namely a micro differential pressure sensor, which is widely applied to various industrial automatic control environments, relates to boiler air supply, dust removal equipment, water conservancy and hydropower, railway transportation, intelligent buildings, production automatic control, aerospace, military industry, petrochemical industry, oil wells, electric power, ships, machine tools, pipelines and the like, the working principle of the wind pressure sensor is that the pressure of the wind pressure sensor directly acts on the diaphragm of the wind pressure sensor, the static characteristic of the sensor is that the output quantity and the input quantity of the sensor have a mutual relation to the static input signal. Because the input quantity and the output quantity are not related to time, the relation between the input quantity and the output quantity, namely the static characteristic of the sensor can be described by an algebraic equation without a time variable or a characteristic curve drawn by taking the input quantity as an abscissa and taking the corresponding output quantity as an ordinate;
s2, judging the wind pressure grade, and selecting a corresponding coping scheme to adjust the whole smoke exhaust components such as the exhaust flue of the gas water heater according to the wind pressure strength of different grades;
s3, the check valve is electrically controlled, a closed area of the check valve is selected according to the strength grades of different wind pressures, for example, when the wind pressure grade is weak and normal use is not influenced, the check valve can be completely closed, the check function is not used temporarily to ensure the smoothness of an exhaust flue, if the wind pressure grade is medium and normal smoke exhaust use is influenced, the check area of the check valve is selected to be controlled to be 50%, under the condition of ensuring the smoothness of the exhaust flue, the situation of backflow of smoke gas is prevented, if the wind pressure grade is dangerous and the normal use of the gas water heater can be strongly interfered, the power of the whole gas water heater is reduced through a processor, and the check valve and the flue check valve are completely opened, and the flue check valve is generally used in a smoke exhaust flue of a household range hood and comprises the check valve, a plastic telescopic smoke pipe and the check valve. The check valve of the range hood is also called as an air outlet, an air outlet cover and the like, and is provided with the range hood, the bottom of the range hood is fixed on the top of the range hood by screws, and the upper part of the range hood is connected with a plastic telescopic smoke pipe. Two baffles are generally arranged inside the check valve of the range hood, but the check valve of the traditional range hood has the problem that the baffles are not tightly sealed (no matter how high-grade range hoods are), so that the trouble of returning odor of the range hood is caused. The check valves of the range hoods worn by different brands or models of range hoods are probably different;
s4, adjusting the discharge angle of the flue, wherein the discharge angle of the tail end of the air duct is downward vertical discharge in a normal use state, the discharge angle of the tail end of the air duct is upward vertical discharge in a medium wind pressure state, and once the wind pressure level is in a dangerous state and seriously influences the use, the discharge angle of the tail end of the air duct faces towards a building body, and the distance between the wall of the building body and the flue is 5 cm;
s5, in the adjusting process of the flue and the check valve, the constant flow fan can be adjusted along with the adjustment, because the wind power grade of the constant flow fan is fixed, when the adjustment is needed, filter plates are respectively arranged at the air inlet and the air outlet of the fan, and the filter plates with dense holes are added to reduce the entering and the discharging of the air volume so as to deal with the grade of the wind pressure;
and S6, after the adjustment application is completed, the gas water heater carries out self-checking, checks whether each function can be normally carried out and whether the adjustment degree and the position are accurate, and displays the inspection result on a display screen of the gas water heater for a user to inspect.
In the invention, the installation position of the wind pressure sensor is far away from the air exhaust flue and is higher than 50cm from the wall surface of the building body, and the wind pressure sensor is firmly fixed by the fixing frame.
In the invention, the flue opening is rotatable and is pushed by a push rod to turn, the electric push rod is named as a linear driver, the novel linear actuator mainly comprises a motor push rod, a control device and other mechanisms, can be considered as an extension of a rotating motor in the aspect of structure, the electric push rod is a novel electric actuator, and the novel linear actuator mainly comprises a motor, a push rod, a control device and other mechanisms and can realize remote control and centralized control. The electric push rod moves back and forth within a certain range of stroke, the standard stroke of the electric push rod is 100 mm, 150 mm, 200 mm, 250 mm, 300 mm, 350 mm and 400mm, and the special stroke can be designed and customized according to different application conditions. The electric push rod can be designed with different thrusts according to different application loads, the maximum thrust can reach 6000N generally, the no-load running speed is 4 mm-35 mm/s, and the electric push rod takes a 24V/12V direct current permanent magnet motor as a power source to convert the rotary motion of the motor into linear reciprocating motion. And a group of link mechanisms is pushed to complete the switching work of the air door, the valve, the gate, the baffle and the like.
In the invention, the control center of the gas water heater is connected with the alarm center, and when a certain problem is detected in self-checking, the control center can immediately negotiate with the alarm center to react.
To sum up the above
According to the invention, through multi-section adjustment control, the wind resistance of the gas water heater is stronger when the gas water heater is used at a high level, and the influence of wind-resistant components on the performance of the gas water heater is avoided when the gas water heater is normally used, so that people can use the gas water heater more conveniently in daily life, the use of the gas water heater is more stable, the gas water heater is effectively prevented from accidents, and meanwhile, the gas water heater also has stable working states and the construction of a self-checking system, so that people can know the working state of the gas water heater at present and further know the using states of various components in the gas water heater at present, so as to help users to use the gas water heater more carefully, and know the key position of the problem at first time when any problem occurs, so that the wind-resistant control method of the gas water heater using a constant flow fan for exhausting air in the existing life is more inconvenient when the gas water heater is actually used, but also has a very single problem when used in the face of complicated weather conditions.
Claims (4)
1. A wind-resistant control method of a gas water heater using a constant-flow fan to exhaust air specifically comprises the following steps:
s1, when the gas water heater is installed, a wind pressure sensor is installed on the outdoor wall surface and at the position of an exhaust flue of the gas water heater, when the gas water heater is used daily, a user opens the gas water heater to operate, meanwhile, the wind pressure sensor detects wind force borne by the exhaust flue at the current period, measures the wind force, displays a measured value on an electronic display screen of the gas water heater, and interferes with a processor inside the gas water heater to perform subsequent auxiliary operation;
s2, judging the wind pressure grade, and selecting a corresponding coping scheme to adjust the whole smoke exhaust components such as the exhaust flue of the gas water heater according to the wind pressure strength of different grades;
s3, the check valve is electrically controlled, a closed area of the check valve is selected according to the strength levels of different wind pressures, for example, when the wind pressure level is weak and normal use is not influenced, the check valve can be completely closed, the check function is not used temporarily to ensure the smoothness of an exhaust flue, if the wind pressure level is medium and normal smoke exhaust use is influenced, the check area of the check valve is selected to be controlled to be 50%, under the condition of ensuring the smoothness of the exhaust flue, the situation of backflow of smoke is prevented, if the wind pressure level is dangerous and the normal use of the gas water heater can be strongly interfered, the power of the whole gas water heater is reduced through a processor, and the check valve is completely opened;
s4, adjusting the discharge angle of the flue, wherein the discharge angle of the tail end of the air duct is downward vertical discharge in a normal use state, the discharge angle of the tail end of the air duct is upward vertical discharge in a medium wind pressure state, and once the wind pressure level is in a dangerous state and seriously influences the use, the discharge angle of the tail end of the air duct faces towards a building body, and the distance between the wall of the building body and the flue is 5 cm;
s5, in the adjusting process of the flue and the check valve, the constant flow fan can be adjusted along with the adjustment, because the wind power grade of the constant flow fan is fixed, when the adjustment is needed, filter plates are respectively arranged at the air inlet and the air outlet of the fan, and the filter plates with dense holes are added to reduce the entering and the discharging of the air volume so as to deal with the grade of the wind pressure;
and S6, after the adjustment application is completed, the gas water heater carries out self-checking, checks whether each function can be normally carried out and whether the adjustment degree and the position are accurate, and displays the inspection result on a display screen of the gas water heater for a user to inspect.
2. The wind resistance control method of the gas water heater using the constant flow fan for exhausting wind according to claim 1, characterized in that: the mounting position of the wind pressure sensor is far away from the exhaust flue, is higher than 50cm away from the wall surface of the building body, and is firmly fixed by utilizing the fixing frame.
3. The wind resistance control method of the gas water heater using the constant flow fan for exhausting wind according to claim 1, characterized in that: the flue opening is rotatable and is pushed by a push rod to turn.
4. The wind resistance control method of the gas water heater using the constant flow fan for exhausting wind according to claim 1, characterized in that: the control center of the gas water heater is connected with the alarm center, and when a certain problem is detected during self-checking, the control center can immediately negotiate with the alarm center to react.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111039556.8A CN113758019A (en) | 2021-09-06 | 2021-09-06 | Wind-resistant control method for gas water heater using constant-flow fan to exhaust air |
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| CN202111039556.8A CN113758019A (en) | 2021-09-06 | 2021-09-06 | Wind-resistant control method for gas water heater using constant-flow fan to exhaust air |
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2021
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| CN201173566Y (en) * | 2007-11-29 | 2008-12-31 | 盛将菊 | Wireless type remote balance control water heater |
| US20100330512A1 (en) * | 2008-05-20 | 2010-12-30 | Kim Si-Hwan | Multi-boiler and control method thereof for preventing back flow of exhaust gas |
| WO2016119638A1 (en) * | 2015-01-26 | 2016-08-04 | 艾欧史密斯(中国)热水器有限公司 | Combustion control system of gas water heater or wall-mounted stove, and control method therefor |
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Application publication date: 20211207 |
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