CN101660833B - Combustion control method of forced-ventilated gas heater - Google Patents
Combustion control method of forced-ventilated gas heater Download PDFInfo
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- CN101660833B CN101660833B CN2008101962408A CN200810196240A CN101660833B CN 101660833 B CN101660833 B CN 101660833B CN 2008101962408 A CN2008101962408 A CN 2008101962408A CN 200810196240 A CN200810196240 A CN 200810196240A CN 101660833 B CN101660833 B CN 101660833B
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Abstract
The invention discloses a combustion control method of a forced-ventilated gas heater, which has two situations: when the gas heater is switched from the whole-section big fire state to the whole-section small fire state: (1) when detecting the switching from the whole-section big fire state to the whole-section small fire state, starting an igniter and continuously igniting within a preset time period; (2) and after achieving the whole-section small fire state, turning off the igniter to complete the switching; when the gas heater is switched from the half-section small fire state to the whole-section small fire state: (1) when detecting the switching from the half-section small fire state to the whole-section small fire state, starting the igniter and continuously igniting within a preset time period; (2) and after achieving the whole-section small fire state, turning off the igniter to complete the switching. In general, when the gas heater is switched from the whole-section big fire state to the whole-section small fire state or from the half-section small fire state to the whole-section small fire state, the igniter is started to continuously ignite within a preset time period so as to ensure the stability of the flame and avoid the intermediate flameout in the switching process.
Description
Technical field
The present invention relates to a kind of gas heater method for controlling combustion, especially combustion control method of forced-ventilated gas heater.
Background technology
When complete section little fire switched, gas outlet diminished forced-exhaust gas water heater in the big fire of full section, and combustion gas tails off flame is diminished, and has hysteresis quality because the blower fan wind speed reduces, and the strong wind of the moment blower fan that lags behind is easily blown out little fire, often easily caused flame-out midway; Half section little fire is when complete section little fire switches again, after the full section of instantaneous half section gas supply thin relatively (there is hysteresis quality in half section gas supply in addition), or because the reduction of blower fan wind speed has hysteresis quality, the strong wind of the moment blower fan that lags behind easily blows combustion gas thin, equally often easily causes flame-out midway.
Summary of the invention:
In order to overcome above-mentioned defective, the invention provides a kind of combustion control method of forced-ventilated gas heater, this method can guarantee that forced-exhaust gas water heater switches to complete section little fiery state at full section big fire state, and the flame holding of half section little fiery state when complete section little fiery state switches.
The present invention for the technical scheme that solves its technical problem and adopt is: a kind of combustion control method of forced-ventilated gas heater, in two kinds of situation:
First kind of situation: when gas heater needs the big fire of full section to change the little fire of full section, so the time gas outlet diminish, combustion gas tails off flame is diminished, and has hysteresis quality because the blower fan wind speed reduces, the strong wind of blower fan is easily blown out little fire, so undertaken by following step during switching:
1) when detecting complete section big fire state when complete section little fiery state switches, starting ignition device, constant ignition in setting-up time;
2) reach complete section little fiery state after, igniter is closed, switching is finished;
Second kind of situation:
When gas heater needs from half section that little fire changes the little fire of full section: after the full section of instantaneous half section gas supply thin relatively (there is hysteresis quality in half section gas supply in addition), or because the reduction of blower fan wind speed has hysteresis quality, the strong wind of hysteresis moment blower fan easily blows combustion gas thin, easy so flame-out, so undertaken by following step:
1) when detecting half section little fiery state when complete section little fiery state switches, starting ignition device, constant ignition in setting-up time;
2) reach complete section little fiery state after, igniter is closed, switching is finished.
The invention has the beneficial effects as follows: owing to switch to complete section little fiery state at full section big fire state, or half section little fiery state is when complete section little fiery state switches, this routine starting ignition device makes its constant ignition in setting-up time, thereby guaranteed the stability of flame, avoided stopping working in the handoff procedure midway.
Description of drawings
Fig. 1 is a workflow diagram of the present invention.
The specific embodiment
Embodiment: a kind of combustion control method of forced-ventilated gas heater, in two kinds of situation:
First kind of situation: when gas heater needs the big fire of full section to change the little fire of full section, so the time gas outlet diminish, combustion gas tails off flame is diminished, and has hysteresis quality because the blower fan wind speed reduces, the strong wind of blower fan is easily blown out little fire, so undertaken by following step during switching:
1) when detecting complete section big fire state when complete section little fiery state switches, starting ignition device, constant ignition in setting-up time (this setting-up time is a current techique, and this example no longer illustrates);
2) reach complete section little fiery state after, igniter is closed, switching is finished;
Second kind of situation: when gas heater needs from the half section little little fire of the full section of fire commentaries on classics, after the full section of instantaneous half section gas supply thin relatively (there is hysteresis quality in half section gas supply in addition), or because the reduction of blower fan wind speed has hysteresis quality, the strong wind of hysteresis moment blower fan easily blows combustion gas thin, flame-out easily, so undertaken by following step:
1) when detecting half section little fiery state when complete section little fiery state switches, starting ignition device, constant ignition in setting-up time (this setting-up time is a current techique, and this example no longer illustrates);
2) reach complete section little fiery state after, igniter is closed, switching is finished.
Owing to switch to complete section little fiery state at full section big fire state, or half section little fiery state is when complete section little fiery state switches, this routine starting ignition device makes its constant ignition in setting-up time, thereby has guaranteed the stability of flame, has avoided stopping working in the handoff procedure midway.
Claims (1)
1. combustion control method of forced-ventilated gas heater is characterized in that: in two kinds of situation:
First kind of situation: when gas heater needs the big fire of full section to change the little fire of full section:
Undertaken by following step:
1) when detecting complete section big fire state when complete section little fiery state switches, starting ignition device, constant ignition in setting-up time;
2) reach complete section little fiery state after, igniter is closed, switching is finished;
Second kind of situation: when gas heater needs from the half section little little fire of the full section of fire commentaries on classics:
Undertaken by following step:
1) when detecting half section little fiery state when complete section little fiery state switches, starting ignition device, constant ignition in setting-up time;
2) reach complete section little fiery state after, igniter is closed, switching is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101962408A CN101660833B (en) | 2008-08-26 | 2008-08-26 | Combustion control method of forced-ventilated gas heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101962408A CN101660833B (en) | 2008-08-26 | 2008-08-26 | Combustion control method of forced-ventilated gas heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101660833A CN101660833A (en) | 2010-03-03 |
| CN101660833B true CN101660833B (en) | 2011-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008101962408A Active CN101660833B (en) | 2008-08-26 | 2008-08-26 | Combustion control method of forced-ventilated gas heater |
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| CN (1) | CN101660833B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105180452B (en) * | 2015-09-21 | 2018-07-27 | 广东超人节能厨卫电器有限公司 | A kind of sequential control method that forced-ventilated gas water heater quickly starts |
| CN105222357B (en) * | 2015-09-21 | 2018-06-01 | 广东超人节能厨卫电器有限公司 | A kind of quick start method of forced-ventilated gas fast water heater |
| CN105180451B (en) * | 2015-09-21 | 2018-07-27 | 广东超人节能厨卫电器有限公司 | A kind of temprature control method that strong pumping type constant temp gas water heater quickly starts |
| CN105241069B (en) * | 2015-10-13 | 2018-07-24 | 广东超人节能厨卫电器有限公司 | A kind of short preceding sequential control method for cleaning forced-ventilated water heater and quickly starting |
| CN105928212B (en) * | 2016-05-10 | 2018-07-06 | 广东超人节能厨卫电器有限公司 | The sequential control method that a kind of strong suction gas water heater of direct current quickly starts |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1072257A (en) * | 1991-11-14 | 1993-05-19 | 潘光平 | Full-automatic gas water heater |
| CN1207477A (en) * | 1998-06-17 | 1999-02-10 | 张竞生 | Water-controlled water heater and water-controlled constant-temp. water heater |
| CN1563842A (en) * | 2004-03-24 | 2005-01-12 | 谭启仁 | Omnidirectional human safety protector for forced exhausting gas water heater |
| US7032543B1 (en) * | 2005-01-12 | 2006-04-25 | Aos Holding Company | Water heater with pressurized combustion |
| EP1703224A1 (en) * | 2005-02-08 | 2006-09-20 | Robert Bosch Gmbh | Apparatus for energy supply of components of a continuosu-flow heater in stand-by mode |
| CN200955849Y (en) * | 2006-02-10 | 2007-10-03 | 谢火胜 | Split gas water heater |
-
2008
- 2008-08-26 CN CN2008101962408A patent/CN101660833B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1072257A (en) * | 1991-11-14 | 1993-05-19 | 潘光平 | Full-automatic gas water heater |
| CN1207477A (en) * | 1998-06-17 | 1999-02-10 | 张竞生 | Water-controlled water heater and water-controlled constant-temp. water heater |
| CN1563842A (en) * | 2004-03-24 | 2005-01-12 | 谭启仁 | Omnidirectional human safety protector for forced exhausting gas water heater |
| US7032543B1 (en) * | 2005-01-12 | 2006-04-25 | Aos Holding Company | Water heater with pressurized combustion |
| EP1703224A1 (en) * | 2005-02-08 | 2006-09-20 | Robert Bosch Gmbh | Apparatus for energy supply of components of a continuosu-flow heater in stand-by mode |
| CN200955849Y (en) * | 2006-02-10 | 2007-10-03 | 谢火胜 | Split gas water heater |
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| CN101660833A (en) | 2010-03-03 |
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