CN110260522B - Method for setting outlet water temperature of gas water heater - Google Patents
Method for setting outlet water temperature of gas water heater Download PDFInfo
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- CN110260522B CN110260522B CN201910383470.3A CN201910383470A CN110260522B CN 110260522 B CN110260522 B CN 110260522B CN 201910383470 A CN201910383470 A CN 201910383470A CN 110260522 B CN110260522 B CN 110260522B
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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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- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
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Abstract
The invention discloses a method for setting the outlet water temperature of a gas water heater, which comprises the following steps: step one, electrifying a gas water heater to obtain the temperature of inlet water and the temperature of air; step two, comparing the water inlet temperature with the air temperature, taking the low value a of the water inlet temperature and the air temperature, and setting the water outlet temperature b according to the value a; and step three, the gas water heater enters standby. Through the steps, the water inlet temperature and the air temperature are compared, the low value a of the water inlet temperature and the air temperature is taken, the low value a can reflect the body sensing temperature of a user during bathing, the water outlet temperature b is set according to the value a, the interference of external factors on temperature measurement can be reduced, the accuracy of water outlet temperature setting is improved, and the user can obtain better use experience.
Description
Technical Field
The invention relates to a gas water heater, in particular to a method for setting the outlet water temperature of the gas water heater.
Background
In the existing gas water heater on the market, the outlet water temperature in the comfort mode is generally set by program solidification before the machine leaves the factory, or a temperature sensor is added to detect the air temperature outside the machine body, and the outlet water temperature is automatically set according to the air temperature detected by the temperature sensor. However, the setting of program curing is not intelligent enough, a temperature sensor is added outside the machine body, and different installation environments of the temperature sensor can cause great influence on the automatically set outlet water temperature. For example, in the north, if the temperature sensor is installed in a room with warm air, the air temperature value acquired by the temperature sensor will have a large deviation, and the automatic setting of the outlet water temperature will be inaccurate. Some are through the income water temperature that detects gas heater, and then set for the play water temperature according to the temperature of entrying, but the temperature of entrying also receives the influence of various factors, for example, if the supply line receives the sunshine, can lead to the temperature of entrying to be higher than indoor air temperature. Setting the outlet temperature only according to the inlet temperature also tends to result in inaccurate outlet temperature settings.
Disclosure of Invention
The invention aims to solve at least one technical problem in the prior art, and provides a method for setting the outlet water temperature of a gas water heater, which can improve the accuracy of the outlet water temperature setting in a comfortable mode.
The method for setting the outlet water temperature of the gas water heater comprises the following steps:
the method comprises the following steps: electrifying the gas water heater to obtain the temperature of inlet water and the temperature of air;
step two: comparing the water inlet temperature with the air temperature, taking the lower value a of the water inlet temperature and the air temperature, and setting the water outlet temperature b according to the value a;
step three: and the gas water heater enters a standby state.
Through the steps, the water inlet temperature and the air temperature are compared, the low value a of the water inlet temperature and the air temperature is taken, the body sensing temperature of a user in bathing can be reflected by the low value a, the water outlet temperature b is set according to the value a, the interference of external factors on temperature measurement can be reduced, the accuracy of water outlet temperature setting in a comfortable mode is improved, and the user can obtain better use experience.
The method for setting the outlet water temperature of the gas water heater further comprises the following steps:
step four: detecting the running state of the gas water heater, if the gas water heater does not enter the starting operation, acquiring and storing the air temperature, and then returning to the step three; if the gas water heater is started to operate, acquiring the inlet water temperature and storing the inlet water temperature;
step five: and after the gas water heater is operated, stopping the operation of a combustion device in the gas water heater.
The temperature of the inlet water can be changed under the influence of factors such as sunshine, the measured water temperature can be more accurate when the water flows, the measuring accuracy can be improved, and the accuracy of the setting of the outlet water temperature b can be further improved.
The method for setting the outlet water temperature of the gas water heater further comprises the following steps:
step six: detecting whether manual adjustment exists or not, and stopping acquiring the inlet water temperature and the air temperature if the manual adjustment exists; and if no manual adjustment is available, returning to the step two.
According to the method for setting the outlet water temperature of the gas water heater, the water temperature data of at least two inlet water are collected, and the average value is calculated to be the inlet water temperature, so that the accuracy of measuring the inlet water temperature is improved.
According to the method for setting the outlet water temperature of the gas water heater, at least two air temperature data are collected, and the average value is calculated to be the air temperature, so that the accuracy of air temperature measurement is improved.
According to the method for setting the outlet water temperature of the gas water heater, in the second step, when a is not more than c1, b1 is set as the outlet water temperature, b1 is not less than 44 ℃, and b1 takes a certain value in the range; c1 is more than a and less than c2, the effluent temperature b is set to be b3, b3 is more than or equal to 40 ℃ and less than or equal to 42 ℃, and b3 takes a certain value in the range; when a is more than or equal to c2, setting the effluent temperature b to be b2, b2 to be more than or equal to 36 ℃ and less than or equal to 39 ℃, and taking b2 as a fixed value in the range;
wherein c1 is more than or equal to 17 ℃ and less than or equal to 19 ℃, and c1 is a fixed value in the range; c2 is more than or equal to 24 ℃ and less than or equal to 26 ℃, and c2 is a fixed value in the range.
According to the method for setting the outlet water temperature of the gas water heater, in the second step, when a is not more than c1, b1 is set as the outlet water temperature, b1 is not less than 44 ℃, and b1 takes a certain value in the range; when a is more than or equal to c2, setting the effluent temperature b to be b2, b2 to be more than or equal to 36 ℃ and less than or equal to 39 ℃, and taking b2 as a fixed value in the range; when c1 is less than a and less than c2, the water outlet temperature b is [ (b1-b2)/(c1-c2) ] × a + b1- [ (b1-b2)/(c1-c2) ] × c 1;
wherein c1 is more than or equal to 17 ℃ and less than or equal to 19 ℃, and c1 is a fixed value in the range; c2 is more than or equal to 24 ℃ and less than or equal to 26 ℃, and c2 is a fixed value in the range.
Drawings
The invention is further described below with reference to the accompanying drawings and examples;
FIG. 1 is a process diagram of a first embodiment of the present invention;
FIG. 2 is a process diagram of a second embodiment of the present invention;
FIG. 3 is a diagram illustrating the relationship between the outlet water temperature b and the outlet water temperature a according to a third embodiment of the present invention.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Example one
The method for setting the outlet water temperature of the gas water heater comprises the following steps:
the method comprises the following steps: the gas water heater is powered on, and is electrified to obtain the temperature of inlet water and the temperature of air;
step two: comparing the water inlet temperature with the air temperature, taking the lower value a of the water inlet temperature and the air temperature, and setting the water outlet temperature b according to the value a;
step three: the gas water heater enters standby;
step four: the gas water heater is operated to output hot water;
step five: and (5) after the gas water heater is operated, stopping the combustion device in the gas water heater, and returning to the step one.
Example two
The method for setting the outlet water temperature of the gas water heater comprises the following steps:
the method comprises the following steps: the gas water heater is powered on, and is electrified to obtain the temperature of inlet water and the temperature of air;
step two: comparing the water inlet temperature with the air temperature, taking the lower value a of the water inlet temperature and the air temperature, and setting the water outlet temperature b according to the value a;
step three: the gas water heater enters standby;
step four: detecting the running state of the gas water heater, if the gas water heater does not enter the starting operation, acquiring and storing the air temperature, and then returning to the step three; if the gas water heater is started to operate, acquiring the inlet water temperature and storing the inlet water temperature;
step five: and (5) after the operation of the gas water heater is finished, stopping the operation of the combustion device in the gas water heater, and returning to the step two.
EXAMPLE III
Referring to fig. 1 and 2, the method for setting the outlet water temperature of the gas water heater comprises the following steps:
the method comprises the following steps: the gas water heater is powered on, and is electrified to obtain the temperature of inlet water and the temperature of air;
step two: comparing the water inlet temperature with the air temperature, taking the lower value a of the water inlet temperature and the air temperature, and setting the water outlet temperature b according to the value a;
step three: the gas water heater enters standby;
step four: detecting the running state of the gas water heater, if the gas water heater does not enter the starting operation, acquiring and storing the air temperature, and then returning to the step three; if the gas water heater is started to operate, acquiring the inlet water temperature and storing the inlet water temperature;
step five: after the gas water heater is operated, stopping the combustion device in the gas water heater;
step six: detecting whether manual adjustment exists or not, and stopping acquiring the inlet water temperature and the air temperature if the manual adjustment exists; and if no manual adjustment is available, returning to the step two.
Wherein, some water flows in the gas water heater, and the burner in the gas water heater begins to work and burn, namely the gas water heater enters the start-up operation. And manual adjustment, namely, the user sets the outlet water temperature by himself, the air temperature and the inlet water temperature are stopped to be obtained after the outlet water temperature is set by the user by himself, and hot water is output according to the outlet water temperature set by the user by himself. The inlet water temperature is the temperature of the water entering the gas water heater.
In some embodiments, in step four, after the new air temperature value and the water inlet temperature value are obtained, the old air temperature value and the water inlet temperature value are deleted. In some embodiments, the old air temperature value and the inlet temperature value may be saved, but when the outlet water temperature b is automatically set, the latest air temperature value and inlet water temperature value are used to obtain the low value a.
Preferably, after the user selects the comfortable mode on the gas water heater, when the user turns on the water outlet switch and starts to discharge water, water starts to flow, the gas water heater enters into operation, at the moment, the gas water heater outputs hot water according to the water outlet temperature b set in the step two, and simultaneously the water inlet temperature is obtained and stored, so that the situation that the user feels the change of the water temperature is avoided, the water can be discharged at a constant temperature is ensured, and the water outlet temperature b is not adjusted at the moment. And when the user closes the water outlet switch and stops discharging water, stopping water flowing, finishing the operation of the gas water heater, detecting whether a manual adjusting process exists in the gas water heater, and if the manual adjusting process does not exist, readjusting the water outlet temperature b according to the air temperature and the water inlet temperature collected in the step four.
In some embodiments, it may also be detected whether there is a manual adjustment during the operation of the gas water heater, and when the manual adjustment is detected, the procedure steps described in the above embodiments are skipped, and the gas water heater outputs hot water according to the temperature set by the user.
In the above embodiment, at least two water temperature data of the inlet water are collected, and the average value is calculated as the inlet water temperature. One water temperature sensor may be provided, and this water temperature sensor collects at least two water temperature data of entering water, of course, more than two water temperature sensors may be provided, and each water temperature sensor collects water temperature data, and then calculates an average value.
The water temperature sensor can be installed on a water inlet pipeline of the gas water heater.
In the above embodiment, at least two air temperature data are collected, and the average value is calculated as the air temperature. One air temperature sensor may be provided, which collects at least two air temperature data, of course, more than two air temperature sensors may be provided, each air temperature sensor collecting air temperature data, and then an average value is calculated.
The air temperature sensor can be installed on the gas water heater, and can also be installed at other positions except the gas water heater.
In addition, in order to improve the accuracy of air temperature measurement, more than four air temperature data can be collected, the data with large deviation is eliminated, at least two air temperature data are remained, and then the average value is calculated. Specifically, a trimmen function can be adopted, on the premise of keeping at least two middle temperature data, 5% -20% of data at two ends are removed, and the average value of the rest data is calculated.
Similarly, for the inlet water temperature, more than four water temperature data can be collected, the data with larger deviation is eliminated, at least two inlet water temperature data are remained, and then the average value is calculated. Specifically, a trimmen function can be adopted, on the premise that at least two pieces of water temperature data of inlet water in the middle are reserved, 5% -20% of data at two ends are removed, and the average value of the remaining data is calculated.
In the second step of the above embodiment, when a is not more than c1, b is 1, 44 is not less than b1 is not more than 46 ℃, and b1 is a fixed value in the range; when c1 is more than a and less than c2, b is set as b3, b3 is more than or equal to 40 ℃ and less than or equal to 42 ℃, and b3 takes a fixed value in the range; when a is more than or equal to c2, b is equal to b2, b2 is more than or equal to 36 ℃ and less than or equal to 39 ℃, and b2 is a fixed value in the range. Wherein c1 is more than or equal to 17 ℃ and less than or equal to 19 ℃, and c1 is a fixed value in the range; c2 is more than or equal to 24 ℃ and less than or equal to 26 ℃, and c2 is a fixed value in the range.
For example, c1 ≦ 17.5 ℃, c2 ≦ 24.5 ℃, and when a ≦ c1, b ≦ 45.5 ℃; when c1 < a < c2, b is set to 41.5 ℃; when a is not less than c2, b is 38.5 ℃. C1 is 18 ℃, c2 is 25 ℃, and when a is less than or equal to c1, b is 45 ℃; when c1 < a < c2, b is set to 42 ℃; when a is equal to or greater than c2, b is set to 38 ℃. C1 is taken to be 18.5 ℃, c2 is taken to be 25.5 ℃, and when a is not more than c1, b is set to be 44.5 ℃; when c1 < a < c2, b is set to 41.5 ℃; when a is not less than c2, b is set to 37.5 ℃.
Referring to fig. 2 and 3, in some embodiments, the following method may be used to set the outlet water temperature b according to the value of a: in the second step, when a is not more than c1, setting the effluent temperature b to be b1, b1 to be not less than 44 ℃, and b1 to be a fixed value in the range; when a is more than or equal to c2, setting the effluent temperature b to be b2, b2 to be more than or equal to 36 ℃ and less than or equal to 39 ℃, and taking a fixed value in the range of b 2; and when c1 is less than a and less than c2, the water outlet temperature b is [ (b1-b2)/(c1-c2) ] × a + b1- [ (b1-b2)/(c1-c2) ] × c 1. Wherein c1 is more than or equal to 17 ℃ and less than or equal to 19 ℃, and c1 is a fixed value in the range; c2 is more than or equal to 24 ℃ and less than or equal to 26 ℃, and c2 is a fixed value in the range.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (5)
1. The method for setting the outlet water temperature of the gas water heater is characterized by comprising the following steps of:
the method comprises the following steps: electrifying the gas water heater to obtain the temperature of inlet water and the temperature of air;
step two: comparing the inlet water temperature with the air temperature, taking the lower value a of the inlet water temperature and the air temperature, setting the outlet water temperature b to be b1 according to a, setting the outlet water temperature b to be b1, setting the outlet water temperature b to be b1 to be 46 ℃ to be 44 ℃, and setting the b1 to be a fixed value in the range; c1 is more than a and less than c2, the effluent temperature b is set to be b3, b3 is more than or equal to 40 ℃ and less than or equal to 42 ℃, and b3 takes a certain value in the range; when a is more than or equal to c2, setting the effluent temperature b to be b2, b2 to be more than or equal to 36 ℃, b2 to be a fixed value in the range, wherein c1 to be more than or equal to 17 ℃ and less than or equal to 19 ℃, c1 to be a fixed value in the range, c2 to be more than or equal to 26 ℃ to be more than or equal to 24 ℃, and c2 to be a fixed value in the range;
step three: and the gas water heater enters a standby state.
2. The method for setting the outlet water temperature of the gas water heater according to claim 1, further comprising:
step four: detecting the running state of the gas water heater, if the gas water heater does not enter the starting operation, acquiring and storing the air temperature, and then returning to the step three; when the gas water heater is started to operate, acquiring the water inlet temperature and storing the water inlet temperature;
step five: and after the gas water heater is operated, stopping the operation of a combustion device in the gas water heater.
3. The method for setting the outlet water temperature of the gas water heater according to claim 2, further comprising:
step six: detecting whether manual adjustment is carried out or not, and stopping acquiring the inlet water temperature and the air temperature if the manual adjustment is carried out; and if no manual adjustment is available, returning to the step two.
4. The method for setting the outlet water temperature of a gas water heater according to claim 1, 2 or 3, characterized in that the water temperature data of at least two inlet water are collected, and the average value is the inlet water temperature.
5. The method for setting the outlet water temperature of the gas water heater according to the claim 1, 2 or 3, characterized in that at least two air temperature data are collected, and the average value is calculated as the air temperature.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112229070A (en) * | 2020-08-17 | 2021-01-15 | 华帝股份有限公司 | Method for intelligently adjusting outlet water temperature of water heater |
| CN112503777B (en) * | 2020-12-01 | 2022-04-19 | 广东积微科技有限公司 | Control method for water temperature of water heater |
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