CN109612111B - Method for controlling gas water heater with storage tank - Google Patents

Method for controlling gas water heater with storage tank Download PDF

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Publication number
CN109612111B
CN109612111B CN201811206527.4A CN201811206527A CN109612111B CN 109612111 B CN109612111 B CN 109612111B CN 201811206527 A CN201811206527 A CN 201811206527A CN 109612111 B CN109612111 B CN 109612111B
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gas
water
sensor
temperature
unit
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CN109612111A (en
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程洪
向熹
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Zhongshan City Heng Yue Electrical Appliance Co ltd
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Zhongshan City Heng Yue Electrical Appliance Co ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00Details
    • F24H9/20Arrangement or mounting of control or safety devices
    • F24H9/2007Arrangement or mounting of control or safety devices for water heaters
    • F24H9/2035Arrangement or mounting of control or safety devices for water heaters using fluid fuel
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B19/00Alarms responsive to two or more different undesired or abnormal conditions, e.g. burglary and fire, abnormal temperature and abnormal rate of flow

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  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Feeding And Controlling Fuel (AREA)

Abstract

The invention discloses a method for controlling a gas water heater with a storage tank, which comprises the following steps: electrifying the water heater; after the water heater is powered on, the sensor function self-checking module performs self-checking on all sensors of the water heater, detects whether each sensor is normal or not, and if the sensor is abnormal, the alarm unit gives an alarm; after the sensor self-check is finished and all the conditions are normal, the harmful gas detection unit can detect the harmful gas in the surrounding environment of the water heater, if the abnormal condition is found, the alarm unit can give an alarm, and the environment temperature sensor can detect the outside temperature; according to the method, whether a combustible steam event occurs is judged by comparing the gas quantity consumed by heating the same unit of water quantity with the data of the normal consumption in the current period, so that the fault caused by the abnormality of the FV sensor can be avoided. According to the method, the gas and water quantity are accurately controlled, so that the data obtained by the method are more accurate, and the probability of error detection is reduced.

Description

Method for controlling gas water heater with storage tank
Technical Field
The invention belongs to the technical field of water heaters, and particularly relates to a method for controlling a gas water heater with a storage tank.
Background
In gas furnace systems, various types of sensors are commonly used to provide information that controls the operation of the system. For example, in a domestic water heater, an immersion sensor may be used within the water tank to monitor the water temperature. Commercial water heaters typically operate at higher temperatures than residential units and may have a pair of immersion sensors, one at the top of the tank and one at the bottom of the tank. The heating is typically stopped when the water temperature reaches the set temperature and is started when the temperature falls below the temperature range. Water heaters are also often equipped with a combustible vapor (FV) sensor to detect the presence of combustible vapors. The presence of steam may be detected by monitoring the resistance level of the FV sensor using a signal comparator. For example, a typical FV sensor resistance may be on the order of 10,000 ohms, which may quickly increase to about 50,000 ohms in the presence of flammable vapors. The supply of gas to the heater is typically shut off if the FV sensor exhibits a high resistance as sensed by the signal comparator.
However, the inventors have observed that FV sensors may experience resistance changes due to general aging, even in mild environments. Chemical vapors, such as chlorine, which is common in household bleaches, can accelerate this process. Over time, the FV sensor may exhibit progressively greater resistance sufficient to cause a false shutdown of the furnace system. On the other hand, the inventors have observed that the resistance of the FV sensor may gradually decrease over time, and in the event of a flammable vapor event, may decrease to such a low level that a shutdown of the heating system is not triggered.
The existing water heater is not easy to leak gas, and has certain danger when an FV sensor is abnormal, and a method for controlling the gas water heater with the storage tank is provided to solve the problems in the prior art.
Disclosure of Invention
The invention aims to provide a method for controlling a gas water heater with a storage tank, which aims to solve the problems that the existing water heater in the prior art is difficult to cause gas leakage and has certain danger when an FV sensor is abnormal in the background technology.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method of controlling a gas water heater having a storage tank, comprising the steps of:
s1, after confirming that no flammable and combustible articles exist around the water heater, electrifying the water heater;
s2, after the water heater is powered on, the sensor function self-checking module performs self-checking on all the sensors of the water heater, detects whether each sensor is normal or not, and if the sensor is abnormal, the alarm unit gives an alarm;
s3, after the sensor self-check is finished and all the parts are normal, the harmful gas detection unit can detect the harmful gas in the surrounding environment of the water heater, if the sensor self-check is abnormal, the alarm unit can give an alarm, the environment temperature sensor can detect the outside temperature, and when the temperature is higher than 70 ℃, the alarm unit can give an alarm;
s4, detecting whether the gas is burnt or not by the combustion state monitoring unit when the water heater works after the detection is normal in S3, and timing by the timer after the burning is confirmed;
s5, controlling the gas release amount by the gas flow control unit according to the gas pressure detected by the gas pressure sensor to control the size of a gas output pipeline electromagnetic valve switch, and detecting the flow in the gas pipe by the gas flow detection unit;
s6, the gas combustion amount calculating unit multiplies the flow data in the gas pipe according to the timing of the timer and the flow data detected by the gas flow detecting unit to obtain the result, and the combustion use amount of the gas is obtained;
s7, after the combustion state is detected by the combustion state monitoring unit by the water flow control unit, the water pipe electromagnetic valve is controlled to control the water flow according to the water pressure detected by the water pressure detection sensor, and the water flow calculation unit multiplies the data counted by the timer by the water flow controlled by the water flow control unit to obtain the total amount of the output water;
s8, a normal temperature water temperature monitoring sensor can detect water temperature at normal temperature in real time, a water temperature monitoring sensor in the storage tank detects water temperature data in the storage tank, and a gas quantity and water temperature relation comparison unit collates the data measured by the water temperature monitoring sensor in the storage tank, the normal temperature water temperature monitoring sensor, the gas combustion quantity calculation unit and the water quantity calculation unit and calls data in a relation comparison database of gas consumption and equivalent water temperature at different normal temperature for comparison;
and S9, when the comparison data is smaller than the set value and the error range, the alarm unit gives an alarm.
Preferably, the harmful gas detected by the harmful gas detecting unit in S3 is methane, carbon monoxide, formaldehyde and PM2.5, and the harmful gas detecting unit includes a methane sensor, a carbon monoxide sensor, and a formaldehyde sensor and a PM2.5 monitor mounted at the lower part of the water heater housing.
Preferably, the timer in S4 stops timing each time the combustion state monitoring unit detects that the gas is not combusted, and resets to zero.
Preferably, in S5, when the gas pressure sensor detects that the pressure in the pipe is zero, the gas flow control unit does not control the gas output pipeline solenoid valve to open.
Preferably, when the water pressure detected by the water pressure detection sensor is zero in S7, the water flow control unit does not control the opening of the water pipe electromagnetic valve any more, and the water pressure alarm gives an alarm at the same time.
Preferably, in S8, at the same normal temperature, the combustion usage amount of the gas calculated in S6 is divided by the total amount of output water calculated in S7 to obtain the gas amount consumed per unit amount of water, and the determination is made by comparing the gas consumption amount at different normal temperatures with the temperature data in the same temperature stage in the comparison database based on the temperature result obtained by subtracting the data measured by the normal temperature water temperature monitoring sensor from the data measured by the water temperature monitoring temperature sensor in the storage tank.
Preferably, the alarm unit in S9 includes a fan and an air cleaning device.
Preferably, the air purification device and the fan are both arranged outside the water heater.
The invention has the technical effects and advantages that: compared with the prior art, the method for controlling the gas water heater with the storage tank provided by the invention comprises the following steps:
1. according to the method, whether a combustible steam event occurs is judged by comparing the gas quantity consumed by heating the same unit of water quantity with the data of the normal consumption in the current period, so that the fault caused by the abnormality of the FV sensor can be avoided.
2. According to the method, the gas and water quantity are accurately controlled, so that the data obtained by the method are more accurate, and the probability of error detection is reduced.
Drawings
FIG. 1 is a schematic diagram of the work flow structure 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. The specific embodiments described herein are merely illustrative of the invention and do not delimit the 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.
Example one
The present invention provides a method of controlling a gas water heater having a storage tank as shown in fig. 1, comprising the steps of:
s1, after confirming that no flammable and combustible articles exist around the water heater, electrifying the water heater;
s2, after the water heater is powered on, the sensor function self-checking module performs self-checking on all the sensors of the water heater, detects whether each sensor is normal or not, and if the sensor is abnormal, the alarm unit gives an alarm;
s3, after the sensor self-check is completed and all the parts are normal, the harmful gas detection unit can detect the harmful gas in the surrounding environment of the water heater, if the abnormal condition is found, the alarm unit can give an alarm, the environment temperature sensor can detect the outside temperature, when the temperature is 71 ℃, the alarm unit can give an alarm, the harmful gas detected by the harmful gas detection unit is methane, carbon monoxide, formaldehyde and PM2.5, and the harmful gas detection unit comprises a methane sensor, a carbon monoxide sensor, a formaldehyde sensor and a PM2.5 monitor which are arranged at the lower part of the shell of the water heater;
s4, after the detection of S3 is normal, when the water heater works, the combustion state monitoring unit detects whether the gas is combusted, after the combustion is confirmed, the timer will time, and the timer stops timing and resets to zero when the combustion state monitoring unit detects that the gas is not combusted every time;
s5, controlling the opening and closing of a gas output pipeline electromagnetic valve by a gas flow control unit according to gas pressure detected by a gas pressure sensor to control the gas release amount, detecting the flow in a gas pipe by a gas flow detection unit, and when the pressure in the gas pipe detected by the gas pressure sensor is zero, the gas flow control unit does not control the gas output pipeline electromagnetic valve to be opened any more;
s6, the gas combustion amount calculating unit multiplies the flow data in the gas pipe according to the timing of the timer and the flow data detected by the gas flow detecting unit to obtain the result, and the combustion use amount of the gas is obtained;
s7, after the combustion state is detected by the combustion state monitoring unit by the water flow control unit, the water pipe electromagnetic valve is controlled according to the water pressure detected by the water pressure detection sensor to control the water flow, the water flow calculation unit multiplies the data counted by the timer by the water flow controlled by the water flow control unit to obtain the total amount of the output water, when the water pressure detected by the water pressure detection sensor is zero, the water flow control unit does not control the water pipe electromagnetic valve to be opened any more, and meanwhile, the water pressure alarm is used for giving an alarm;
s8, a normal temperature water temperature monitoring sensor can detect the water temperature at the normal temperature in real time, a water temperature monitoring sensor in a storage tank is used for detecting the water temperature data in the storage tank, a gas quantity and water temperature relation comparison unit is used for collating the data measured by the water temperature monitoring sensor in the storage tank, the normal temperature water temperature monitoring sensor, a gas combustion quantity calculation unit and a water quantity calculation unit, calling the data in a relation comparison data base of the gas consumption quantity at different normal temperature and the equivalent water temperature for comparison, under the same normal temperature, the gas consumption quantity per unit water quantity is obtained by dividing the combustion usage quantity of the gas calculated in S6 by the total quantity of the output water calculated in S7, and the temperature result obtained by subtracting the data measured by the normal temperature monitoring sensor from the data measured by the water temperature monitoring sensor in the storage tank is used for comparing the data in the temperature of the same temperature gear in the relation comparison data base of the gas consumption quantity at different normal temperature and the equivalent water temperature Judging the size;
s9, when the comparison data is smaller than the set value and the error range, the alarm unit gives an alarm and comprises a fan and an air purification device, wherein the air purification device and the fan are both arranged on the outer side of the water heater.
Example two
The present invention provides a method of controlling a gas water heater having a storage tank as shown in fig. 1, comprising the steps of:
s1, after confirming that no flammable and combustible articles exist around the water heater, electrifying the water heater;
s2, after the water heater is powered on, the sensor function self-checking module performs self-checking on all the sensors of the water heater, detects whether each sensor is normal or not, and if the sensor is abnormal, the alarm unit gives an alarm;
s3, after the sensor self-check is completed and all the parts are normal, the harmful gas detection unit can detect the harmful gas in the surrounding environment of the water heater, if the abnormal condition is found, the alarm unit can give an alarm, the environment temperature sensor can detect the outside temperature, when the temperature is 75 ℃, the alarm unit can give an alarm, the harmful gas detected by the harmful gas detection unit is methane, carbon monoxide, formaldehyde and PM2.5, and the harmful gas detection unit comprises a methane sensor, a carbon monoxide sensor, a formaldehyde sensor and a PM2.5 monitor which are arranged at the lower part of the shell of the water heater;
s4, after the detection of S3 is normal, when the water heater works, the combustion state monitoring unit detects whether the gas is combusted, after the combustion is confirmed, the timer will time, and the timer stops timing and resets to zero when the combustion state monitoring unit detects that the gas is not combusted every time;
s5, controlling the opening and closing of a gas output pipeline electromagnetic valve by a gas flow control unit according to gas pressure detected by a gas pressure sensor to control the gas release amount, detecting the flow in a gas pipe by a gas flow detection unit, and when the pressure in the gas pipe detected by the gas pressure sensor is zero, the gas flow control unit does not control the gas output pipeline electromagnetic valve to be opened any more;
s6, the gas combustion amount calculating unit multiplies the flow data in the gas pipe according to the timing of the timer and the flow data detected by the gas flow detecting unit to obtain the result, and the combustion use amount of the gas is obtained;
s7, after the combustion state is detected by the combustion state monitoring unit by the water flow control unit, the water pipe electromagnetic valve is controlled according to the water pressure detected by the water pressure detection sensor to control the water flow, the water flow calculation unit multiplies the data counted by the timer by the water flow controlled by the water flow control unit to obtain the total amount of the output water, when the water pressure detected by the water pressure detection sensor is zero, the water flow control unit does not control the water pipe electromagnetic valve to be opened any more, and meanwhile, the water pressure alarm is used for giving an alarm;
s8, a normal temperature water temperature monitoring sensor can detect the water temperature at the normal temperature in real time, a water temperature monitoring sensor in a storage tank is used for detecting the water temperature data in the storage tank, a gas quantity and water temperature relation comparison unit is used for collating the data measured by the water temperature monitoring sensor in the storage tank, the normal temperature water temperature monitoring sensor, a gas combustion quantity calculation unit and a water quantity calculation unit, calling the data in a relation comparison data base of the gas consumption quantity at different normal temperature and the equivalent water temperature for comparison, under the same normal temperature, the gas consumption quantity per unit water quantity is obtained by dividing the combustion usage quantity of the gas calculated in S6 by the total quantity of the output water calculated in S7, and the temperature result obtained by subtracting the data measured by the normal temperature monitoring sensor from the data measured by the water temperature monitoring sensor in the storage tank is used for comparing the data in the temperature of the same temperature gear in the relation comparison data base of the gas consumption quantity at different normal temperature and the equivalent water temperature Judging the size;
s9, when the comparison data is smaller than the set value and the error range, the alarm unit gives an alarm and comprises a fan and an air purification device, wherein the air purification device and the fan are both arranged on the outer side of the water heater.
EXAMPLE III
The present invention provides a method of controlling a gas water heater having a storage tank as shown in fig. 1, comprising the steps of:
s1, after confirming that no flammable and combustible articles exist around the water heater, electrifying the water heater;
s2, after the water heater is powered on, the sensor function self-checking module performs self-checking on all the sensors of the water heater, detects whether each sensor is normal or not, and if the sensor is abnormal, the alarm unit gives an alarm;
s3, after the sensor self-check is completed and all the parts are normal, the harmful gas detection unit can detect the harmful gas in the surrounding environment of the water heater, if the abnormal condition is found, the alarm unit can give an alarm, the environment temperature sensor can detect the outside temperature, when the temperature is 80 ℃, the alarm unit can give an alarm, the harmful gas detected by the harmful gas detection unit is methane, carbon monoxide, formaldehyde and PM2.5, and the harmful gas detection unit comprises a methane sensor, a carbon monoxide sensor, a formaldehyde sensor and a PM2.5 monitor which are arranged at the lower part of the shell of the water heater;
s4, after the detection of S3 is normal, when the water heater works, the combustion state monitoring unit detects whether the gas is combusted, after the combustion is confirmed, the timer will time, and the timer stops timing and resets to zero when the combustion state monitoring unit detects that the gas is not combusted every time;
s5, controlling the opening and closing of a gas output pipeline electromagnetic valve by a gas flow control unit according to gas pressure detected by a gas pressure sensor to control the gas release amount, detecting the flow in a gas pipe by a gas flow detection unit, and when the pressure in the gas pipe detected by the gas pressure sensor is zero, the gas flow control unit does not control the gas output pipeline electromagnetic valve to be opened any more;
s6, the gas combustion amount calculating unit multiplies the flow data in the gas pipe according to the timing of the timer and the flow data detected by the gas flow detecting unit to obtain the result, and the combustion use amount of the gas is obtained;
s7, after the combustion state is detected by the combustion state monitoring unit by the water flow control unit, the water pipe electromagnetic valve is controlled according to the water pressure detected by the water pressure detection sensor to control the water flow, the water flow calculation unit multiplies the data counted by the timer by the water flow controlled by the water flow control unit to obtain the total amount of the output water, when the water pressure detected by the water pressure detection sensor is zero, the water flow control unit does not control the water pipe electromagnetic valve to be opened any more, and meanwhile, the water pressure alarm is used for giving an alarm;
s8, a normal temperature water temperature monitoring sensor can detect the water temperature at the normal temperature in real time, a water temperature monitoring sensor in a storage tank is used for detecting the water temperature data in the storage tank, a gas quantity and water temperature relation comparison unit is used for collating the data measured by the water temperature monitoring sensor in the storage tank, the normal temperature water temperature monitoring sensor, a gas combustion quantity calculation unit and a water quantity calculation unit, calling the data in a relation comparison data base of the gas consumption quantity at different normal temperature and the equivalent water temperature for comparison, under the same normal temperature, the gas consumption quantity per unit water quantity is obtained by dividing the combustion usage quantity of the gas calculated in S6 by the total quantity of the output water calculated in S7, and the temperature result obtained by subtracting the data measured by the normal temperature monitoring sensor from the data measured by the water temperature monitoring sensor in the storage tank is used for comparing the data in the temperature of the same temperature gear in the relation comparison data base of the gas consumption quantity at different normal temperature and the equivalent water temperature Judging the size;
s9, when the comparison data is smaller than the set value and the error range, the alarm unit gives an alarm and comprises a fan and an air purification device, wherein the air purification device and the fan are both arranged on the outer side of the water heater.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (1)

1.一种控制具有储罐的燃气热水器的方法,其特征在于:包括以下步骤:1. A method for controlling a gas water heater with a storage tank, characterized in that: comprising the following steps: S1、确认热水器周边没有易燃易爆物品后,对热水器进行通电;S1. After confirming that there are no inflammable and explosive objects around the water heater, power on the water heater; S2、在热水器上电后由传感器功能自检模块进行对热水器所有的传感器进行自检,检测各个传感器是否正常,如果发现异常,报警单元会进行报警;S2. After the water heater is powered on, the sensor function self-inspection module will perform self-inspection on all the sensors of the water heater to detect whether each sensor is normal. If any abnormality is found, the alarm unit will alarm; S3、在传感器自检完成显示一切正常后,有害气体检测单元会对热水器周边环境进行有害气体检测,如果发现异常,报警单元会进行报警,环境温度传感器对外界温度进行检测,当温度大于70℃温度时,报警单元进行报警,所述S3中有害气体检测单元所检测的有害气体为甲烷、一氧化碳、甲醛和PM2.5,所述有害气体检测单元包括甲烷传感器、一氧化碳传感器,以及安装在热水器壳体下部的甲醛传感器和PM2.5监测仪;S3. After the self-check of the sensor shows that everything is normal, the harmful gas detection unit will detect the harmful gas in the surrounding environment of the water heater. If any abnormality is found, the alarm unit will give an alarm, and the ambient temperature sensor will detect the outside temperature. When the temperature is greater than 70 ℃ When the temperature is high, the alarm unit gives an alarm. The harmful gases detected by the harmful gas detection unit in S3 are methane, carbon monoxide, formaldehyde and PM2.5. The harmful gas detection unit includes a methane sensor, a carbon monoxide sensor, and is installed in the water heater shell. Formaldehyde sensor and PM2.5 monitor in the lower part of the body; S4、在S3检测正常后,在热水器打火工作时,由燃烧状态监测单元检测燃气是否燃烧,在确认燃烧后,计时器会进行计时,所述S4中计时器在每次燃烧状态监测单元检测燃气没有燃烧时停止计时,并进行复位归零;S4. After the detection in S3 is normal, when the water heater is ignited, the combustion state monitoring unit detects whether the gas is burning. After the combustion is confirmed, the timer will count. In the S4, the timer is detected every time the combustion state monitoring unit detects Stop timing when the gas is not burning, and reset to zero; S5、燃气流量控制单元根据燃气压力传感器检测出的燃气压力控制燃气输出管道电磁阀开关大小来控制燃气释放量,由燃气流量检测单元检测出燃气管内流量,所述S5中在燃气压力传感器检测管内压力为零时,燃气流量控制单元不再控制燃气输出管道电磁阀打开;S5. The gas flow control unit controls the switch size of the solenoid valve of the gas output pipe according to the gas pressure detected by the gas pressure sensor to control the gas release amount, and the gas flow detection unit detects the flow in the gas pipe, in S5, the gas pressure sensor detects the gas inside the pipe When the pressure is zero, the gas flow control unit no longer controls the solenoid valve of the gas output pipeline to open; S6、燃气燃烧量计算单元根据计时器的计时和燃气流量检测单元检测出燃气管内流量数据进行乘法计算得出结果,得到燃气的燃烧使用量;S6, the gas combustion amount calculation unit performs multiplication calculation according to the timing of the timer and the flow data in the gas pipe detected by the gas flow detection unit to obtain the result, and obtains the combustion usage amount of gas; S7、由水流量控制单元根据燃烧状态监测单元检测到燃烧状态后,根据水压检测传感器测定的水压控制水管电磁阀进行控制水流量,由水量计算单元根据计时器所计数得出的数据乘以水流量控制单元所控制的水流量大小得到输出的水总量,所述S7中水压检测传感器测定的水压为零时,水流量控制单元不再控制水管电磁阀打开,同时进行水压报警器进行报警;S7. After the water flow control unit detects the combustion state according to the combustion state monitoring unit, the water pipe solenoid valve is controlled according to the water pressure measured by the water pressure detection sensor to control the water flow, and the water flow calculation unit multiplies the data counted by the timer according to the The total amount of water output is obtained by the water flow rate controlled by the water flow control unit. When the water pressure measured by the water pressure detection sensor in the S7 is zero, the water flow control unit no longer controls the opening of the solenoid valve of the water pipe, and simultaneously conducts the water pressure measurement. alarm to alarm; S8、常温水温监测传感器会对常温下的水温进行实时检测,由储罐内水温监测温度传感器进行检测储罐内的水温数据,燃气量与水温关系对比单元根据储罐内水温监测温度传感器、常温水温监测传感器、燃气燃烧量计算单元、水量计算单元所测得的数据进行整理后并调取不同常温温度下燃气消耗量与等量水温间关系对比数据库内的数据进行对比,所述S8中在相同常温温度下,S6中计算得到的燃气的燃烧使用量除以S7中计算达到的输出的水总量得到单位水量消耗的燃气量,根据储罐内水温监测温度传感器测得的数据减去常温水温监测传感器测得的数据得到的温度结果对比不同常温温度下燃气消耗量与等量水温间关系对比数据库内相同温度档位的温度内数据进行判断大小;S8. The normal temperature water temperature monitoring sensor will detect the water temperature at room temperature in real time, and the water temperature monitoring temperature sensor in the storage tank will detect the water temperature data in the storage tank. After the data measured by the water temperature monitoring sensor, the gas combustion amount calculation unit, and the water amount calculation unit are sorted out, the relationship between the gas consumption at different normal temperatures and the water temperature of the same amount is compared with the data in the database for comparison. Under the same normal temperature, the combustion usage of gas calculated in S6 is divided by the total output water calculated in S7 to obtain the gas consumption per unit of water consumption, and the normal temperature is subtracted from the data measured by the water temperature monitoring temperature sensor in the storage tank. The temperature results obtained from the data measured by the water temperature monitoring sensor compare the relationship between the gas consumption and the equivalent water temperature at different normal temperatures, and compare the temperature data in the same temperature gear in the database to judge the size; S9、在对比数据小于设定值及误差范围时,报警单元会进行报警,所述S9中报警单元包括风机和空气净化装置,所述空气净化装置和风机均安装在热水器的外侧。S9. When the comparison data is less than the set value and the error range, the alarm unit will give an alarm. The alarm unit in S9 includes a fan and an air purification device, and the air purification device and the fan are installed outside the water heater.
CN201811206527.4A 2018-10-17 2018-10-17 Method for controlling gas water heater with storage tank Active CN109612111B (en)

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