CN111121299A - Fan control method of gas water heater and up-drawing dual-purpose furnace applying same - Google Patents
Fan control method of gas water heater and up-drawing dual-purpose furnace applying same Download PDFInfo
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- CN111121299A CN111121299A CN201811272514.7A CN201811272514A CN111121299A CN 111121299 A CN111121299 A CN 111121299A CN 201811272514 A CN201811272514 A CN 201811272514A CN 111121299 A CN111121299 A CN 111121299A
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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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Abstract
The invention relates to a fan control method of a gas water heater, which compares the real-time wind pressure V of an air outlet of the gas water heater with a standard wind pressure threshold value V1 and a limit wind pressure threshold value V2; if V is more than or equal to V2 and less than V1, blockage occurs, and at the moment, the real-time temperature W in the combustion chamber is compared with the standard temperature threshold value W1 to correspondingly adjust the compensation rotating speed of the fan so as to solve the problem of blockage; if V < V2, the blockage is serious, and the machine is directly shut down. The fan control method of the gas water heater can clearly determine the blocking condition and can perform adaptive adjustment according to the influence of the blocking condition on the gas water heater. The invention also relates to an upward-drawing dual-purpose furnace which comprises a dual-purpose furnace body, a temperature sensor arranged in the combustion cavity, a first fan and a wind pressure sensor arranged at the air outlet, and a second fan arranged on one side below the combustion cavity, so that the influence of blockage can be reduced, and frequent shutdown can be avoided.
Description
Technical Field
The invention relates to the technical field of gas water heaters, and also relates to a fan control method of a gas water heater, and an upward-drawing dual-purpose furnace which is used for the fan control method of the gas water heater.
Background
The gas water heater is widely used at home due to convenient and sanitary use, and the hot gas water heater can be used for supplying hot water for domestic water and heating. During the operation of the gas water heater, the situation of flue blockage is inevitable for various reasons, and the combustion performance of the gas water heater is seriously influenced under the situation.
The gas water heater of chinese utility model patent "treat flue jam protection device" with the publication number CN201363906Y (application number is 200920050968.X), wherein the gas water heater that discloses can pass through the detection atmospheric pressure, and then judge whether the flue appears the condition of jam, when judging the condition of flue jam, direct control gas water heater stop work. However, the control process cannot judge the blocking degree of the flue, cannot well solve the problem of slight blocking of the flue, and is easy to cause frequent shutdown of the gas water heater. In addition, aiming at the same air pressure and different working conditions, the influence of the blockage of the flue on the temperature in the combustion chamber is different, and different adjusting methods are very necessary according to the specific influence on the gas water heater.
Chinese patent application publication No. CN107525265A (application No. 201610472797.4) discloses a blowing gas water heater using flame temperature detection and wind speed compensation, in which a temperature sensing probe is used to detect the temperature in a combustion chamber, and when the temperature in the combustion chamber reaches or exceeds a certain preset value, it is determined that an exhaust port is blocked or the external wind pressure is too high. However, the temperature in the combustion chamber is affected by various factors such as external environment, external wind pressure, flue blockage and the like, and whether the temperature is caused by the flue blockage cannot be determined only by temperature judgment, so that the response operation of the gas water heater cannot be performed by adopting an accurate means according to temperature information.
Disclosure of Invention
The first technical problem to be solved by the present invention is to provide a fan control method for a gas water heater, which can clearly identify the occurrence of blockage and can adaptively adjust according to the influence of the blockage on the gas water heater.
The second technical problem to be solved by the present invention is to provide an upward-drawing dual-purpose furnace, which can respond to the blockage situation in time, reduce the influence of the blockage on the operation of the gas water heater, and avoid frequent shutdown.
The technical scheme adopted by the invention for solving the first technical problem is as follows: a fan control method of a gas water heater is characterized by comprising the following steps: the method comprises the following steps:
s1, detecting and acquiring real-time wind pressure V of the air outlet of the gas water heater;
s2, comparing the real-time wind pressure V with a standard wind pressure threshold value V1 and a limit wind pressure threshold value V2 respectively;
if V is more than or equal to V1, S3 is carried out;
if V2 is less than or equal to V < V1, then S4 is carried out;
if V < V2, go to S7;
meanwhile, the time T1 when V is less than V1 is accumulatively timed, and the time T1 is cleared until V is more than or equal to V1;
s3, the fan works according to the wind speed corresponding to the heat load requirement, and the operation returns to S1;
s4, detecting and acquiring the real-time temperature W in the combustion chamber;
s5, comparing the real-time temperature W with a standard temperature threshold value W1;
if W is less than W1, performing fan speed compensation, and returning to S1;
if W is more than or equal to W1, further improving the fan rotating speed compensation, and returning to S1;
meanwhile, the time T2 when W is more than or equal to W1 is counted accumulatively, and the time T2 is cleared when W is less than W1;
s6, if T1 is not less than A or T2 is not less than B, carrying out S7; wherein A is the maximum threshold time of the gas water heater working under the condition that V is more than or equal to V1, and B is the maximum threshold time of the gas water heater working under the condition that W is more than or equal to W1;
s7, shutting down the gas water heater, and controlling the first fan to perform cleaning work according to the cleaning rotating speed and the cleaning time;
s7, shutting down the gas water heater, and controlling the fan to perform cleaning work according to the cleaning rotating speed and the cleaning time;
s8, detecting the wind pressure V0 of the air outlet of the gas water heater in a cleaning state, and judging whether V0 is more than or equal to V1;
if so, judging that the blockage is relieved;
and if not, performing blockage alarm.
In order to increase the adjusting force, the fan comprises a first fan and a second fan;
in S3, controlling the first fan to work according to the wind speed corresponding to the heat load requirement; controlling the second fan to be shut down;
in S5, simultaneously comparing the real-time temperature W with a limit temperature threshold value W2;
when W is less than W1, controlling the first fan to perform rotation speed compensation according to the temperature rise of the real-time temperature W corresponding to the standard temperature W0 which is reached by the current heat load requirement;
when W is not less than W1 and not more than W2, controlling the first fan to work at full speed to perform rotation speed compensation, or controlling the first fan and the second fan to work at the corresponding set rotation speed to perform rotation speed compensation;
and when W is larger than W2, controlling the first fan and the second fan to operate at full speed for full speed compensation.
Preferably, when W1 is not less than W2, the current real-time wind pressure V is compared with a section division wind pressure threshold value V3, wherein V2 is more than V3 and more than V1;
if V3 < V1, controlling the full-speed operation of the first fan to carry out rotation speed compensation;
and if the V is more than or equal to V2 and less than or equal to V3, controlling the first fan and the second fan to work according to the corresponding set rotating speed so as to perform rotating speed compensation.
The technical scheme adopted by the invention for solving the first technical problem is as follows: the utility model provides an up-drawing type dual-purpose furnace which characterized in that: including the dual-purpose stove body that has the burning chamber, set up the temperature sensor in the burning intracavity of dual-purpose stove body, set up first fan, the wind pressure sensor in the air outlet department of dual-purpose stove body, set up the second fan in the burning chamber below one side of dual-purpose stove body.
Compared with the prior art, the invention has the advantages that: according to the fan control method of the gas water heater, the wind pressure information and the temperature information in the combustion cavity are comprehensively utilized, the blockage situation of the gas water heater is judged together, the influence of the blockage situation on the combustion of the gas water heater is determined, and the blockage situation is responded by means of increasing the rotating speed of the fan, so that part of the blockage situation can be effectively eliminated, the gas water heater is prevented from being shut down frequently, and the use is more humanized.
In addition, the dual-purpose furnace can accurately judge whether the blockage occurs or not on the basis of utilizing the fan control method of the gas water heater, and can eliminate or weaken the influence of the blockage on the work of the dual-purpose furnace by adopting different treatment means aiming at different blockage conditions.
Drawings
Fig. 1 is a flowchart of a fan control method of a gas water heater according to an embodiment of the present invention.
FIG. 2 is a schematic structural diagram of a top-drawing dual-purpose furnace according to an embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
The fan control method of the gas water heater in the embodiment is suitable for various gas water heaters, such as a water heater only used for domestic hot water supply, and a dual-purpose furnace capable of supplying domestic hot water and heating simultaneously. The fan control method of the gas water heater is suitable for a lower drum type gas water heater and is also suitable for an upper pumping type gas water heater.
As shown in fig. 1, the fan control method of the gas water heater in this embodiment includes the following steps:
after the gas water heater is started, the fan needs to be started to carry out front cleaning work. The fan in this embodiment includes first fan 3 and second fan 4, and the convenience is responded to the jam condition of difference, eliminates the jam problem that appears as far as possible.
S1, detecting and acquiring real-time wind pressure V of the air outlet of the gas water heater;
s2, comparing the real-time wind pressure V with a standard wind pressure threshold value V1 and a limit wind pressure threshold value V2 respectively;
if V is larger than or equal to V1, namely the current situation of blockage is judged, S3 is carried out;
if V2 is less than or equal to V < V1, judging that the blockage situation occurs, but the adjustment hope still exists to relieve the current blockage situation and the current blockage situation does not reach the degree of seriously influencing the gas water heater, and then S4 is carried out;
if V is less than V2, judging that serious blocking has occurred to affect the operation safety of the gas water heater, and then carrying out S7;
meanwhile, the time T1 when V is less than V1 is accumulatively timed, and the time T1 is cleared until V is more than or equal to V1;
s3, the first fan 3 works according to the wind speed corresponding to the heat load requirement, the second fan 4 keeps a shutdown state, air is brought into the gas water heater through the first fan 3 to meet the combustion requirement, and the operation returns to S1;
s4, under the condition of blockage, the blockage affects different working states of the gas water heater differently, if the gas water heater works in a higher-temperature working section, the blockage can cause the temperature in a combustion chamber of the gas water heater to rise rapidly, corresponding treatment needs to be carried out on different temperature conditions in the combustion chamber to ensure the use safety of the gas water heater, and thus the real-time temperature W in the combustion chamber is detected and obtained;
s5, comparing the real-time temperature W with a standard temperature threshold value W1 and a limit temperature threshold value W2 respectively;
if W is less than W1, the influence of the current blockage situation on the temperature in the combustion chamber is small, and at the moment, the first fan 3 is controlled to perform rotation speed compensation according to the temperature rise of the real-time temperature W relative to the standard temperature W0 correspondingly reached by the current heat load requirement, so that the temperature of the combustion chamber is reduced to change to the standard temperature W0, the current blockage-causing obstacles can be cleaned, and the operation returns to S1;
if W is not less than W2 and not more than W1, comparing the current real-time wind pressure V with an interval division wind pressure threshold V3, wherein V2 is more than V3 and more than V1; if V3 < V1, namely the blockage degree is low, controlling the first fan 3 to work at full speed to carry out rotation speed compensation; if V is more than or equal to V2 and less than or equal to V3, namely the blockage degree is higher, the first fan 3 and the second fan 4 are controlled to work according to the corresponding set rotating speed to perform rotating speed compensation, and the set rotating speed can be set through experiments before products leave a factory; therefore, the temperature of the combustion chamber can be reduced to change to the standard temperature W0 quickly, the current obstacles causing blockage are further cleaned intensively, and the process returns to S1;
if W is greater than W2, controlling the first fan 3 and the second fan 4 to work at full speed for full speed compensation, and returning to S1;
meanwhile, the time T2 when W is more than or equal to W1 is counted accumulatively, and the time T2 is cleared when W is less than W1;
s6, if the rotating speed of the first fan 3 and the rotating speed of the second fan 4 cannot be adjusted to eliminate the current blockage situation when the rotating speed of the first fan is T1 is more than or equal to A or T2 is more than or equal to B, S7 is carried out; wherein A is the maximum threshold time of the gas water heater working under the condition that V is more than or equal to V1, and B is the maximum threshold time of the gas water heater working under the condition that W is more than or equal to W1; a and B may be the same or different; in the embodiment, A is 5 min;
s7, shutting down the gas water heater, and controlling the fan to perform cleaning work according to the cleaning rotating speed and the cleaning time;
s8, detecting the wind pressure V0 of the air outlet of the gas water heater in a cleaning state, and judging whether V0 is more than or equal to V1;
if so, judging that the blockage is relieved;
and if not, performing blockage alarm.
According to the fan control method of the gas water heater, the wind pressure information and the temperature information in the combustion cavity are comprehensively utilized, the blockage situation of the gas water heater is judged together, the influence of the blockage situation on the combustion of the gas water heater is determined, and the blockage situation is responded by means of increasing the rotating speed of the fan, so that part of the blockage situation can be effectively eliminated, the gas water heater is prevented from being shut down frequently, and the use is more humanized.
As shown in fig. 2, the upward-drawing dual-purpose furnace applying the fan control method of the gas water heater comprises a dual-purpose furnace body 1, a temperature sensor 2 arranged in a combustion chamber of the dual-purpose furnace body 1, a first fan 3 and a wind pressure sensor arranged at an air outlet of the dual-purpose furnace body 1, and a second fan 4 arranged on one side below the combustion chamber of the dual-purpose furnace body 1. During working, the temperature sensor 2, the wind pressure sensor 5, the first fan 3 and the second fan 4 work according to the method, and then the blockage situation of the dual-purpose furnace in the use process is processed.
Claims (4)
1. A fan control method of a gas water heater is characterized by comprising the following steps: the method comprises the following steps:
s1, detecting and acquiring real-time wind pressure V of the air outlet of the gas water heater;
s2, comparing the real-time wind pressure V with a standard wind pressure threshold value V1 and a limit wind pressure threshold value V2 respectively;
if V is more than or equal to V1, S3 is carried out;
if V2 is less than or equal to V < V1, then S4 is carried out;
if V < V2, go to S7;
meanwhile, the time T1 when V is less than V1 is accumulatively timed, and the time T1 is cleared until V is more than or equal to V1;
s3, the fan works according to the wind speed corresponding to the heat load requirement, and the operation returns to S1;
s4, detecting and acquiring the real-time temperature W in the combustion chamber;
s5, comparing the real-time temperature W with a standard temperature threshold value W1;
if W is less than W1, performing fan speed compensation, and returning to S1;
if W is more than or equal to W1, further improving the fan rotating speed compensation, and returning to S1;
meanwhile, the time T2 when W is more than or equal to W1 is counted accumulatively, and the time T2 is cleared when W is less than W1;
s6, if T1 is not less than A or T2 is not less than B, carrying out S7; wherein A is the maximum threshold time of the gas water heater working under the condition that V is more than or equal to V1, and B is the maximum threshold time of the gas water heater working under the condition that W is more than or equal to W1;
s7, shutting down the gas water heater, and controlling the fan to perform cleaning work according to the cleaning rotating speed and the cleaning time;
s8, detecting the wind pressure V0 of the air outlet of the gas water heater in a cleaning state, and judging whether V0 is more than or equal to V1;
if so, judging that the blockage is relieved;
and if not, performing blockage alarm.
2. The fan control method of a gas water heater according to claim 1, characterized in that: the fan comprises a first fan (3) and a second fan (4);
in S3, controlling the first fan (3) to work according to the wind speed corresponding to the heat load requirement; controlling the second fan (4) to be turned off;
in S5, simultaneously comparing the real-time temperature W with a limit temperature threshold value W2;
when W is less than W1, controlling the first fan (3) to perform rotation speed compensation according to the temperature rise of the real-time temperature W corresponding to the standard temperature W0 which is reached by the current heat load requirement;
when W is not less than W1 and not more than W2, controlling the first fan (3) to work at full speed to perform rotation speed compensation, or controlling the first fan (3) and the second fan (4) to work at a corresponding set rotation speed to perform rotation speed compensation;
and when W is larger than W2, controlling the first fan (3) and the second fan (4) to work at full speed to perform full speed compensation.
3. The fan control method of a gas water heater according to claim 2, characterized in that: when W is not less than W2 and not more than W1, comparing the current real-time wind pressure V with an interval division wind pressure threshold V3, wherein V2 is more than V3 and more than V1;
if V3 is more than V and less than V1, controlling the first fan (3) to work at full speed to compensate the rotating speed;
and if V is more than or equal to V2 and less than or equal to V3, controlling the first fan (3) and the second fan (4) to work according to the corresponding set rotating speed so as to perform rotating speed compensation.
4. The utility model provides an up-drawing type dual-purpose furnace which characterized in that: the dual-purpose stove comprises a dual-purpose stove body (1) with a combustion cavity, a temperature sensor (2) arranged in the combustion cavity of the dual-purpose stove body (1), a first fan (3) and a wind pressure sensor (5) arranged at the air outlet of the dual-purpose stove body (1), and a second fan (4) arranged on one side of the lower portion of the combustion cavity of the dual-purpose stove body (1).
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| CN201811272514.7A CN111121299B (en) | 2018-10-30 | 2018-10-30 | Fan control method of gas water heater and up-drawing dual-purpose furnace |
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| CN201811272514.7A CN111121299B (en) | 2018-10-30 | 2018-10-30 | Fan control method of gas water heater and up-drawing dual-purpose furnace |
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| CN111121299B CN111121299B (en) | 2021-04-16 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112128991A (en) * | 2020-09-02 | 2020-12-25 | 华帝股份有限公司 | Exhaust protection control method and water heater using same |
| CN112161292A (en) * | 2020-09-14 | 2021-01-01 | 华帝股份有限公司 | Combustion state control method of combustion system and water heater using combustion state control method |
| CN114963569A (en) * | 2022-05-30 | 2022-08-30 | 广东万和热能科技有限公司 | Gas water heater control method and gas water heater |
| CN114963495A (en) * | 2021-06-23 | 2022-08-30 | 青岛经济技术开发区海尔热水器有限公司 | Gas water heater with upward-pumping type direct-current fan and control method thereof |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003130446A (en) * | 2001-10-30 | 2003-05-08 | Tokyo Gas Co Ltd | Heat source machine for hot-water heating |
| CN201517840U (en) * | 2009-09-29 | 2010-06-30 | 赵永科 | Household gas-fired wall-mounted dual purpose boiler for heating and bathing |
| CN201852487U (en) * | 2010-02-08 | 2011-06-01 | 铜联商务咨询（上海）有限公司 | Dual-purpose gas furnace |
| CN102192808A (en) * | 2010-03-19 | 2011-09-21 | 海尔集团公司 | Device and method for detecting wind pressure |
| CN102538214A (en) * | 2012-01-19 | 2012-07-04 | 中山华帝燃具股份有限公司 | Smoke discharge blockage control method and system for gas water heater |
| CN103322547A (en) * | 2013-06-25 | 2013-09-25 | 西安艾贝尔科技发展有限公司 | Boiler control and combustion optimization method |
| CN103940092A (en) * | 2014-05-08 | 2014-07-23 | 佛山市顺德区奇林电气有限公司 | Combustion heating control device and method used for gas water heater |
| CN105222362A (en) * | 2015-10-29 | 2016-01-06 | 艾欧史密斯(中国)热水器有限公司 | The control system of gas-fired water heater |
| CN105757994A (en) * | 2016-01-18 | 2016-07-13 | 广东万家乐燃气具有限公司 | Gas water heater self-adaption wind pressure resisting control method and system |
| CN107525265A (en) * | 2016-06-22 | 2017-12-29 | 华帝股份有限公司 | Blowing type gas water heater adopting flame temperature detection and wind speed compensation |
| CN107525277A (en) * | 2017-08-25 | 2017-12-29 | 万家乐热能科技有限公司 | A kind of low nitrogen wall-hung condensing gas furnace and its application process |
| CN207599960U (en) * | 2017-11-03 | 2018-07-10 | 科汉达（上海）能源科技有限公司 | A kind of wall-hung boiler by wireless signal intellectual monitoring internal information |
-
2018
- 2018-10-30 CN CN201811272514.7A patent/CN111121299B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003130446A (en) * | 2001-10-30 | 2003-05-08 | Tokyo Gas Co Ltd | Heat source machine for hot-water heating |
| CN201517840U (en) * | 2009-09-29 | 2010-06-30 | 赵永科 | Household gas-fired wall-mounted dual purpose boiler for heating and bathing |
| CN201852487U (en) * | 2010-02-08 | 2011-06-01 | 铜联商务咨询（上海）有限公司 | Dual-purpose gas furnace |
| CN102192808A (en) * | 2010-03-19 | 2011-09-21 | 海尔集团公司 | Device and method for detecting wind pressure |
| CN102538214A (en) * | 2012-01-19 | 2012-07-04 | 中山华帝燃具股份有限公司 | Smoke discharge blockage control method and system for gas water heater |
| CN103322547A (en) * | 2013-06-25 | 2013-09-25 | 西安艾贝尔科技发展有限公司 | Boiler control and combustion optimization method |
| CN103940092A (en) * | 2014-05-08 | 2014-07-23 | 佛山市顺德区奇林电气有限公司 | Combustion heating control device and method used for gas water heater |
| CN105222362A (en) * | 2015-10-29 | 2016-01-06 | 艾欧史密斯(中国)热水器有限公司 | The control system of gas-fired water heater |
| CN105757994A (en) * | 2016-01-18 | 2016-07-13 | 广东万家乐燃气具有限公司 | Gas water heater self-adaption wind pressure resisting control method and system |
| CN107525265A (en) * | 2016-06-22 | 2017-12-29 | 华帝股份有限公司 | Blowing type gas water heater adopting flame temperature detection and wind speed compensation |
| CN107525277A (en) * | 2017-08-25 | 2017-12-29 | 万家乐热能科技有限公司 | A kind of low nitrogen wall-hung condensing gas furnace and its application process |
| CN207599960U (en) * | 2017-11-03 | 2018-07-10 | 科汉达（上海）能源科技有限公司 | A kind of wall-hung boiler by wireless signal intellectual monitoring internal information |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112128991A (en) * | 2020-09-02 | 2020-12-25 | 华帝股份有限公司 | Exhaust protection control method and water heater using same |
| CN112128991B (en) * | 2020-09-02 | 2022-02-22 | 华帝股份有限公司 | Exhaust protection control method and water heater using same |
| CN112161292A (en) * | 2020-09-14 | 2021-01-01 | 华帝股份有限公司 | Combustion state control method of combustion system and water heater using combustion state control method |
| CN114963495A (en) * | 2021-06-23 | 2022-08-30 | 青岛经济技术开发区海尔热水器有限公司 | Gas water heater with upward-pumping type direct-current fan and control method thereof |
| CN114963569A (en) * | 2022-05-30 | 2022-08-30 | 广东万和热能科技有限公司 | Gas water heater control method and gas water heater |
| CN114963569B (en) * | 2022-05-30 | 2024-04-09 | 广东万和热能科技有限公司 | Control method of gas water heater and gas water heater |
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