CN107490196A - A kind of ignition control method of the gas constant-temp. water heater with rotation speed of fan feedback - Google Patents
A kind of ignition control method of the gas constant-temp. water heater with rotation speed of fan feedback Download PDFInfo
- Publication number
- CN107490196A CN107490196A CN201710602363.6A CN201710602363A CN107490196A CN 107490196 A CN107490196 A CN 107490196A CN 201710602363 A CN201710602363 A CN 201710602363A CN 107490196 A CN107490196 A CN 107490196A
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- China
- Prior art keywords
- module
- blower fan
- control module
- ignition
- fan
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Classifications
-
- 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
-
- 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
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1832—Arrangement or mounting of combustion heating means, e.g. grates or burners
- F24H9/1836—Arrangement or mounting of combustion heating means, e.g. grates or burners using fluid fuel
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Regulation And Control Of Combustion (AREA)
Abstract
The invention discloses a kind of ignition control method of the gas constant-temp. water heater with rotation speed of fan feedback, the aperture of proportioning valve is adjusted by the rotating speed F of rotation speed of fan detection module detection blower fan, and in a bit of time that blower fan starts, the tachometer value F of blower fan gradually increases, so, P=(F F0) * A+P0 can realize the control of the flow of combustion gas from small to large so that the combustion gas and AIR Proportional value stabilization in combustion chamber are in the range of igniting is adapted to, so as to improve the success rate of igniting.
Description
[technical field]
The present invention relates to a kind of ignition control method of the gas constant-temp. water heater with rotation speed of fan feedback.
[background technology]
At present, the aperture of existing gas constant-temp. water heater its gas ratio valve during igniting is all steady state value, due to
Blower fan has delay from stabilized (steady-state) speed is started to, and during which air quantity also can from small to large, if the aperture of proportioning valve is steady state value, combustion gas
Flow will be more constant, combustion gas and AIR Proportional in combustion chamber will be unstable, when the aperture of proportioning valve is bigger,
Be easy to produce deflagration phenomenon during igniting, when the opening ratio of proportioning valve is smaller, ignition success rate will very low or point not.
Therefore, above-mentioned defect how is overcome, it has also become those skilled in the art's important topic urgently to be resolved hurrily.
[content of the invention]
Instant invention overcomes the deficiency of above-mentioned technology, there is provided a kind of gas constant-temp. water heater with rotation speed of fan feedback
Ignition control method,
To achieve the above object, present invention employs following technical proposal：
A kind of ignition control method of the gas constant-temp. water heater with rotation speed of fan feedback, the gas constant-temp. water heater bag
Control module, blower fan drive module, blower fan, proportioning valve drive module, gas ratio valve, ignition module, fire defector mould are included
Block, rotation speed of fan detection module, the control module, proportioning valve drive module, gas ratio valve is sequentially electrically connect, the control
Molding block, blower fan drive module, blower fan is sequentially electrically connect, and the blower fan, rotation speed of fan detection module, control module is sequentially
Electrical connection, the ignition module, flame detection modules electrically connect with the control module respectively, and its ignition control method is included such as
Lower step：
Step 1: control module set point duration and being sent to blower fan drive module and starting blower fan signal and to ignition module
Send ignition signal；
Step 2: tachometer value F of the control module by rotation speed of fan detection module detection blower fan；
Step 3: control module calculates the controlled quentity controlled variable P, P=of the proportioning valve drive module corresponding to gas proportion valve opening
(F-F0) the minimum blast difference needed when * A+P0, wherein F0 are the igniting of setting in combustion chamber, A are that the direct proportion of setting is normal
Number, P0 are the gas ratio valve minimum ignition controlled quentity controlled variable of setting；
Step 4: control module sends control signal by the controlled quentity controlled variable P comparative example valve drive modules calculated, so as to pass through
Proportioning valve drive module controls the aperture of gas ratio valve；
Step 5: control module detects whether to light a fire successfully by flame detection modules, igniting is exited when lighting a fire successfully
Flow, when unsuccessful and duration of lighting a fire of lighting a fire is covered, igniting flow is exited, it is unsuccessful and duration of lighting a fire is not covered when lighting a fire
When, return to step two.
A kind of ignition control method of gas constant-temp. water heater with rotation speed of fan feedback as described above, the control mould
Auditory tone cues module is also associated with block, in step 4, as F-F0 ＜ 0, control module judges that blower fan does not work, control
Module sends auditory tone cues by auditory tone cues module, is then log out flow of lighting a fire.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, the rotating speed F that the ignition control method of this case gas constant-temp. water heater passes through rotation speed of fan detection module detection blower fan
To adjust the aperture of proportioning valve, and in a bit of time that blower fan starts, the tachometer value F of blower fan gradually increases, in this way, P=(F-
F0) * A+P0 can realize the control of the flow of combustion gas from small to large so that the combustion gas and AIR Proportional value stabilization in combustion chamber are suitable
In the scope of chalaza fire, so as to improve the success rate of igniting.
2nd, as F-F0 ＜ 0, control module judges that blower fan does not work, and control module sends sound by auditory tone cues module
Sound is prompted, and flow of lighting a fire is then log out, to realize controling mechanism.
[brief description of the drawings]
Fig. 1 is the structured flowchart of this case.
Fig. 2 is the control flow sketch of this case.
[embodiment]
Feature of present invention and other correlated characteristics are described in further detail by the following examples, in order to the same industry
The understanding of technical staff：
As shown in Figure 1 to Figure 2, a kind of ignition control method of the gas constant-temp. water heater with rotation speed of fan feedback, it is described
Gas constant-temp. water heater includes control module, blower fan drive module, blower fan, proportioning valve drive module, gas ratio valve, igniting
Module, flame detection modules, rotation speed of fan detection module, the control module, proportioning valve drive module, gas ratio valve are suitable
Secondary electrical connection, the control module, blower fan drive module, blower fan is sequentially electrically connect, the blower fan, rotation speed of fan detection mould
Sequentially to electrically connect, the ignition module, flame detection modules electrically connect with the control module respectively for block, control module, its
Ignition control method comprises the following steps：
Step 1: control module set point duration and being sent to blower fan drive module and starting blower fan signal and to ignition module
Send ignition signal；
Step 2: tachometer value F of the control module by rotation speed of fan detection module detection blower fan；
Step 3: control module calculates the controlled quentity controlled variable P, P=of the proportioning valve drive module corresponding to gas proportion valve opening
(F-F0) the minimum blast difference needed when * A+P0, wherein F0 are the igniting of setting in combustion chamber, A are that the direct proportion of setting is normal
Number, P0 are the gas ratio valve minimum ignition controlled quentity controlled variable of setting；
Step 4: control module sends control signal by the controlled quentity controlled variable P comparative example valve drive modules calculated, so as to pass through
Proportioning valve drive module controls the aperture of gas ratio valve；
Step 5: control module detects whether to light a fire successfully by flame detection modules, igniting is exited when lighting a fire successfully
Flow, when unsuccessful and duration of lighting a fire of lighting a fire is covered, igniting flow is exited, it is unsuccessful and duration of lighting a fire is not covered when lighting a fire
When, return to step two.
As described above, the ignition control method of this case gas constant-temp. water heater passes through rotation speed of fan detection module detection blower fan
Rotating speed F adjust the aperture of proportioning valve, and in a bit of time that blower fan starts, the tachometer value F of blower fan gradually increases, such as
This, P=(F-F0) * A+P0 can realize the control of the flow of combustion gas from small to large so that combustion gas and AIR Proportional in combustion chamber
Value stabilization is in the range of igniting is adapted to, so as to improve the success rate of igniting.
As described above, when it is implemented, be also associated with auditory tone cues module in the control module, in step 4, when
During F-F0 ＜ 0, control module judges that blower fan does not work, and control module sends auditory tone cues by auditory tone cues module, then
Igniting flow is exited, to realize controling mechanism.
As described above, this case protection is a kind of IGNITION CONTROL side of the gas constant-temp. water heater with rotation speed of fan feedback
Method, all technical schemes same or like with this case should all be shown as falling into the protection domain of this case.
Claims (2)
- A kind of 1. ignition control method of the gas constant-temp. water heater with rotation speed of fan feedback, it is characterised in that the combustion gas constant temperature Water heater includes control module, blower fan drive module, blower fan, proportioning valve drive module, gas ratio valve, ignition module, fire Flame detection module, rotation speed of fan detection module, the control module, proportioning valve drive module, gas ratio valve are sequentially to be electrically connected Connect, the control module, blower fan drive module, blower fan is sequentially electrically connect, the blower fan, rotation speed of fan detection module, control Module is sequentially electrically connects, and the ignition module, flame detection modules electrically connect with the control module respectively, its IGNITION CONTROL Method comprises the following steps：Step 1: control module set point duration and being sent to blower fan drive module and starting blower fan signal and send to ignition module Ignition signal；Step 2: tachometer value F of the control module by rotation speed of fan detection module detection blower fan；Step 3: control module calculates controlled quentity controlled variable P, the P=(F- of the proportioning valve drive module corresponding to gas proportion valve opening F0 the minimum blast difference needed when) * A+P0, wherein F0 are the igniting of setting in combustion chamber, A are the direct proportion constant of setting, P0 is the gas ratio valve minimum ignition controlled quentity controlled variable of setting；Step 4: control module sends control signal by the controlled quentity controlled variable P comparative example valve drive modules calculated, so as to passing ratio Valve drive module controls the aperture of gas ratio valve；Step 5: control module detects whether to light a fire successfully by flame detection modules, igniting flow is exited when lighting a fire successfully, When unsuccessful and duration of lighting a fire of lighting a fire is covered, igniting flow is exited, when igniting is unsuccessful and duration of lighting a fire is not covered, is returned Return step 2.
- 2. a kind of ignition control method of gas constant-temp. water heater with rotation speed of fan feedback according to claim 1, its It is characterised by being also associated with auditory tone cues module in the control module, in step 4, as F-F0 ＜ 0, control module is sentenced Disconnected blower fan does not work, and control module sends auditory tone cues by auditory tone cues module, is then log out flow of lighting a fire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710602363.6A CN107490196A (en) | 2017-07-21 | 2017-07-21 | A kind of ignition control method of the gas constant-temp. water heater with rotation speed of fan feedback |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710602363.6A CN107490196A (en) | 2017-07-21 | 2017-07-21 | A kind of ignition control method of the gas constant-temp. water heater with rotation speed of fan feedback |
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| CN107490196A true CN107490196A (en) | 2017-12-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110486949A (en) * | 2018-05-14 | 2019-11-22 | 青岛经济技术开发区海尔热水器有限公司 | Two fans gas heater control method and gas heater |
| CN111928485A (en) * | 2019-05-13 | 2020-11-13 | 华帝股份有限公司 | Gas water heater and load adjusting method thereof |
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| JPS6249122A (en) * | 1985-08-29 | 1987-03-03 | Mitsubishi Electric Corp | Liquid fuel combustion device |
| JP2006138561A (en) * | 2004-11-12 | 2006-06-01 | Miura Co Ltd | Combustion apparatus |
| CN102748866A (en) * | 2012-07-11 | 2012-10-24 | 中山市超人电器有限公司 | Control method of automatic constant temperature gas water heater with electric fan smoke emission |
| CN205090630U (en) * | 2015-10-29 | 2016-03-16 | 艾欧史密斯(中国)热水器有限公司 | Gas hot water system's control system |
| CN105648130A (en) * | 2016-03-23 | 2016-06-08 | 中冶南方工程技术有限公司 | Automatic ignition control system and method for stove burning of hot blast stove |
| CN106196564A (en) * | 2016-08-31 | 2016-12-07 | 中山市卡洛力热能科技有限公司 | A kind of self-regulation pre-mixing gas combustion heating system and control method thereof |
-
2017
- 2017-07-21 CN CN201710602363.6A patent/CN107490196A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6249122A (en) * | 1985-08-29 | 1987-03-03 | Mitsubishi Electric Corp | Liquid fuel combustion device |
| JP2006138561A (en) * | 2004-11-12 | 2006-06-01 | Miura Co Ltd | Combustion apparatus |
| CN102748866A (en) * | 2012-07-11 | 2012-10-24 | 中山市超人电器有限公司 | Control method of automatic constant temperature gas water heater with electric fan smoke emission |
| CN205090630U (en) * | 2015-10-29 | 2016-03-16 | 艾欧史密斯(中国)热水器有限公司 | Gas hot water system's control system |
| CN105648130A (en) * | 2016-03-23 | 2016-06-08 | 中冶南方工程技术有限公司 | Automatic ignition control system and method for stove burning of hot blast stove |
| CN106196564A (en) * | 2016-08-31 | 2016-12-07 | 中山市卡洛力热能科技有限公司 | A kind of self-regulation pre-mixing gas combustion heating system and control method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110486949A (en) * | 2018-05-14 | 2019-11-22 | 青岛经济技术开发区海尔热水器有限公司 | Two fans gas heater control method and gas heater |
| CN110486949B (en) * | 2018-05-14 | 2022-02-25 | 青岛经济技术开发区海尔热水器有限公司 | Double-fan gas water heater control method and gas water heater |
| CN111928485A (en) * | 2019-05-13 | 2020-11-13 | 华帝股份有限公司 | Gas water heater and load adjusting method thereof |
| CN111928485B (en) * | 2019-05-13 | 2021-12-10 | 华帝股份有限公司 | Gas water heater and load adjusting method thereof |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171219 |
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| RJ01 | Rejection of invention patent application after publication |