CN107339807B - A kind of method for controlling combustion of gas heater - Google Patents
A kind of method for controlling combustion of gas heater Download PDFInfo
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- CN107339807B CN107339807B CN201710059590.9A CN201710059590A CN107339807B CN 107339807 B CN107339807 B CN 107339807B CN 201710059590 A CN201710059590 A CN 201710059590A CN 107339807 B CN107339807 B CN 107339807B
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- electromagnetic proportional
- proportional valve
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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
Abstract
The present invention relates to a kind of method for controlling combustion of gas heater, the gas heater includes the first electromagnetic proportional valve for adjusting combustion parameter, second electromagnetic proportional valve, blower, igniter, burner and main valve, there are three types of operating modes: one section of operating mode for the gas heater tool, two sections of operating modes and three sections of operating modes, corresponding combustion parameter is corresponding under three kinds of operating modes, and under one section of operating mode, first electromagnetic proportional valve is opened, under two sections of operating modes, second electromagnetic proportional valve is opened, under three sections of operating modes, first electromagnetic proportional valve and the second electromagnetic proportional valve are opened；It is characterized by: switched over again after first carrying out three sections of operating mode 300ms~800ms when one section of operating mode and two sections of operating modes switch, compared with the prior art, the advantages of the present invention are as follows: the control method, which can greatly improve, passes fiery success rate.
Description
Technical field
The present invention relates to a kind of method for controlling combustion of gas heater.
Background technique
Gas heater forms Smaller load area and big load according to the intercombination of difference solenoid valve when water heater working
Area has remained that a region is burnt always after water heater working, our this spline structure be referred to as have Chang Minghuo structure and
Variable open fire structure.There is the gas heater structure of Chang Minghuo structure shown in Figure 1, there are 2 kinds of works for this gas heater
Operation mode: when solenoid valve SV1 is individually opened, gas water heater working is in 1 stage mode, when solenoid valve SV1 and solenoid valve SV2 are same
When opening, gas water heater working is in 2 stage modes.Since the corresponding region solenoid valve SV1 is (the referred to as Chang Ming to burn always
Fire), therefore be not in flame-out risk when 1 stage mode and 2 stage modes mutually switch.
The gas heater structure of variable open fire structure is shown in Figure 2, and there are 3 Working moulds for this kind of gas heater
Formula: solenoid valve SV1 individually opens work in 1 stage mode, and solenoid valve SV2 individually opens work in 2 stage modes, as solenoid valve SV1
Work is in 3 stage modes when opening simultaneously with solenoid valve SV2, above-mentioned 3 kinds of operating modes there is no have a certain section always in burning feelings
Condition, i.e., variable open fire, just will appear flame-out risk when 1 stage mode and 2 stage modes mutually switch at this time.
Summary of the invention
It will not when the technical problem to be solved by the present invention is to provide a kind of switching of segmentation firepower for the above-mentioned prior art
There is the method for controlling combustion of the gas heater of flame-out risk.
The technical scheme of the invention to solve the technical problem is: a kind of Combustion System side of gas heater
Method, the gas heater include burner, for the igniter to burner ignition, enter burner for controlling
How much the first how many electromagnetic proportional valve of interior burning gases, the second electromagnetic proportional valve enter in combustion chamber air capacity for controlling
DC fan, be arranged on admission line for being switched on or off the main valve into the burning gases in gas heater, use
In the master of the first electromagnetic proportional valve current value of control burning, the second electromagnetic proportional valve current value, rotation speed of fan and igniter opening and closing
Control panel, and the outlet valve connecting with master board, there are three types of operating modes: one section of operating mode, two for the master board tool
Section operating mode and three sections of operating modes, under one section of operating mode, main valve and the first electromagnetic proportional valve are opened, the second electromagnetism ratio
Example valve is closed；Under two sections of operating modes, main valve and the second electromagnetic proportional valve are opened, and the first electromagnetic proportional valve is closed；At three sections
Under operating mode, main valve, the first electromagnetic proportional valve and the second electromagnetic proportional valve are opened,；It is characterized by: the gas and hot water
The method for controlling combustion of device includes the following steps:
Step 1: in the standby state, after the outlet valve of gas heater is opened, whether detection flow of inlet water is greater than setting
Threshold value, if so, executing step 2, if not being, return step one；
Step 2: blower executes step 3 after running the first setting time according to preset preceding cleaning wind speed；
Step 3: blower is run according to preset igniting swing flap speed, step 4 is then executed；
Step 4: main valve open, the first electromagnetic proportional valve are opened, igniter opens igniting, then executes step 5；
Step 5: judge whether to light a fire successfully, if it is successful, step 6 is executed, and it is such as unsuccessful, export fault-signal；
Step 6: executing one section of operating mode, make burner, blower according to the combustion parameter work under one section of operating mode
Make, then executes step 7；
Step 7: judging whether to need to be switched to three sections of operating modes, if so, opening the second electromagnetic proportional valve, make to burn
Device, blower work according to the combustion parameter under three sections of operating modes, then execute step 12；If not being to judge whether to need
Two sections of operating modes are switched to, if not being, return step six, if so, executing step 8；
Step 8: blower is run according to preset igniting swing flap speed, then open the second electromagnetic proportional valve, make burner,
Then blower executes step 9 according to combustion parameter work 300ms~800ms under three sections of operating modes；
Step 9: the second electromagnetic proportional valve continues to be kept open, the first electromagnetic proportional valve is closed, burner, wind are made
Machine works according to the combustion parameter under two sections of operating modes, then executes step 10；
Step 10: judging whether to need to be switched to three sections of operating modes, if so, opening the first electromagnetic proportional valve, make to burn
Device, blower work according to the combustion parameter under three sections of operating modes, then execute step 12；If not being to judge whether to need
It is switched to one section of operating mode, if not being, return step nine；If so, executing step 11；
Step 11: blower is run according to preset igniting swing flap speed, the first electromagnetic proportional valve is opened, burner, wind are made
Then machine returns to step six according to combustion parameter work 300ms~800ms under three sections of operating modes；
Step 12: judging whether to need to be switched to one section of operating mode, if so, six are returned to step, if not being to sentence
It is disconnected whether to need to be switched to two sections of operating modes, if so, executing step 9, if not being, the second electromagnetic proportional valve is opened, makes to burn
Device, blower work according to the combustion parameter under three sections of operating modes, then execute step 12.
Compared with the prior art, the advantages of the present invention are as follows: when one section of operating mode and two sections of operating modes switch, first
It is switched over again after executing three sections of operating mode 300ms~800ms, which can greatly improve the success rate for passing fire.
Detailed description of the invention
Fig. 1 is the gas heater structural schematic diagram for having Chang Minghuo structure in the prior art；
Fig. 2 is the gas heater structural schematic diagram of variable open fire structure in the prior art；
Fig. 3 is the method for controlling combustion flow chart of gas heater in the embodiment of the present invention.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
A kind of method for controlling combustion of gas heater is present embodiments provided, wherein gas heater is primarily directed to
The gas heater of variable open fire structure, the structure of this kind of gas heater are shown in Figure 2 comprising burner, for giving
The igniter of burner ignition enters burning gases are how many in burner the first electromagnetic proportional valve, for controlling
Two electromagnetic proportional valves enter the DC fan that air capacity is how many in combustion chamber for controlling, are arranged on admission line for connecing
Main valve that is logical or closing the burning gases entered in gas heater, for controlling the first electromagnetic proportional valve current value of burning, the
The master board of two electromagnetic proportional valve current values, rotation speed of fan and igniter opening and closing, and the outlet valve being connect with master board, institute
Stating master board tool, there are three types of operating modes: one section of operating mode, two sections of operating modes and three sections of operating modes work at one section
Under mode, main valve and the first electromagnetic proportional valve are opened, and the second electromagnetic proportional valve is closed；Under two sections of operating modes, main valve and
Two electromagnetic proportional valves are opened, and the first electromagnetic proportional valve is closed；Under three sections of operating modes, main valve, the first electromagnetic proportional valve and
Two electromagnetic proportional valves are opened.
The method for controlling combustion of the gas heater includes the following steps, shown in Figure 3:
Step 1: in the standby state, after the outlet valve of gas heater is opened, whether detection flow of inlet water is greater than setting
Threshold value, if so, executing step 2, if not being, return step one；
Step 2: blower executes step 3 after running the first setting time according to preset preceding cleaning wind speed；
Step 3: blower is run according to preset igniting swing flap speed, step 4 is then executed；
Step 4: main valve open, the first electromagnetic proportional valve are opened, igniter opens igniting, then executes step 5；
Step 5: judge whether to light a fire successfully, if it is successful, step 6 is executed, and it is such as unsuccessful, export fault-signal；
Step 6: executing one section of operating mode, make burner, blower according to the combustion parameter work under one section of operating mode
Make, then executes step 7；
Step 7: judging whether to need to be switched to three sections of operating modes, if so, opening the second electromagnetic proportional valve, make to burn
Device, blower work according to the combustion parameter under three sections of operating modes, then execute step 12；If not being to judge whether to need
Two sections of operating modes are switched to, if not being, return step six, if so, executing step 8；
Step 8: blower is run according to preset igniting swing flap speed, the second electromagnetic proportional valve is opened, burner, blower are made
According to combustion parameter work 300ms~800ms under three sections of operating modes, step 9 is then executed；
Step 9: the second electromagnetic proportional valve continues to be kept open, the first electromagnetic proportional valve is closed, burner, wind are made
Machine works according to the combustion parameter under two sections of operating modes, then executes step 10；
Step 10: judging whether to need to be switched to three sections of operating modes, if so, opening the first electromagnetic proportional valve, make to burn
Device, blower work according to the combustion parameter under three sections of operating modes, then execute step 12；If not being to judge whether to need
It is switched to one section of operating mode, if not being, return step nine；If so, executing step 11；
Step 11: blower is run according to preset igniting swing flap speed, the first electromagnetic proportional valve is opened, burner, wind are made
Then machine returns to step six according to combustion parameter work 300ms~800ms under three sections of operating modes；
Step 12: judging whether to need to be switched to one section of operating mode, if so, six are returned to step, if not being to sentence
It is disconnected whether to need to be switched to two sections of operating modes, if so, executing step 9, if not being, the second electromagnetic proportional valve is opened, makes to burn
Device, blower work according to the combustion parameter under three sections of operating modes, then execute step 12.
In above-mentioned control method, when one section of operating mode and two sections of operating modes switch, three sections of Working moulds are first carried out
It is switched over again after formula 300ms~800ms, which can greatly improve the success rate for passing fire.
Claims (1)
1. a kind of method for controlling combustion of gas heater, the gas heater include burner, for burner ignition
Igniter, for controlling the first electromagnetic proportional valve, the second solenoid-operated proportional that enter burning gases are how many in burner
Valve enters the how many DC fan of air capacity in combustion chamber for controlling, be arranged on admission line for be switched on or off into
Enter the main valve of the burning gases in gas heater, for controlling burning the first electromagnetic proportional valve current value, the second solenoid-operated proportional
The master board of valve current value, rotation speed of fan and igniter opening and closing, and the outlet valve being connect with master board, the master board
There are three types of operating modes for tool: one section of operating mode, two sections of operating modes and three sections of operating modes, main under one section of operating mode
Valve and the first electromagnetic proportional valve are opened, and the second electromagnetic proportional valve is closed；Under two sections of operating modes, main valve and the second solenoid-operated proportional
Valve is opened, and the first electromagnetic proportional valve is closed；Under three sections of operating modes, main valve, the first electromagnetic proportional valve and the second solenoid-operated proportional
Valve is opened, it is characterised in that: the method for controlling combustion of the gas heater includes the following steps:
Step 1: in the standby state, after the outlet valve of gas heater is opened, whether detection flow of inlet water is greater than setting threshold
Value, if so, executing step 2, if not being, return step one；
Step 2: blower executes step 3 after running the first setting time according to preset preceding cleaning wind speed；
Step 3: blower is run according to preset igniting swing flap speed, step 4 is then executed；
Step 4: main valve open, the first electromagnetic proportional valve are opened, igniter opens igniting, then executes step 5；
Step 5: judge whether to light a fire successfully, if it is successful, step 6 is executed, and it is such as unsuccessful, export fault-signal；
Step 6: executing one section of operating mode, burner, blower is set to work according to the combustion parameter under one section of operating mode, so
After execute step 7；
Step 7: judging whether to need to be switched to three sections of operating modes, if so, opening the second electromagnetic proportional valve, make burner, wind
Machine works according to the combustion parameter under three sections of operating modes, then executes step 12；If not being to judge whether to need to be switched to
Two sections of operating modes, if not being, return step six, if so, executing step 8；
Step 8: blower is run according to preset igniting swing flap speed, open the second electromagnetic proportional valve, make burner, blower according to
Combustion parameter work 300ms~800ms under three sections of operating modes, then executes step 9；
Step 9: the second electromagnetic proportional valve continues to be kept open, close the first electromagnetic proportional valve, make burner, blower by
According to the combustion parameter work under two sections of operating modes, step 10 is then executed；
Step 10: judging whether to need to be switched to three sections of operating modes, if so, opening the first electromagnetic proportional valve, make burner, wind
Machine works according to the combustion parameter under three sections of operating modes, then executes step 12；If not being to judge whether to need to be switched to
One section of operating mode, if not being, return step nine；If so, executing step 11；
Step 11: blower is run according to preset igniting swing flap speed, open the first electromagnetic proportional valve, make burner, blower by
According to combustion parameter work 300ms~800ms under three sections of operating modes, six are then returned to step；
Step 12: judging whether to need to be switched to one section of operating mode, if so, returning to step six, if not being, judgement is
It is no to need to be switched to two sections of operating modes, if so, execute step 9, if not being, opening the second electromagnetic proportional valve, make burner,
Blower works according to the combustion parameter under three sections of operating modes, then executes step 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710059590.9A CN107339807B (en) | 2017-01-24 | 2017-01-24 | A kind of method for controlling combustion of gas heater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710059590.9A CN107339807B (en) | 2017-01-24 | 2017-01-24 | A kind of method for controlling combustion of gas heater |
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| Publication Number | Publication Date |
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| CN107339807A CN107339807A (en) | 2017-11-10 |
| CN107339807B true CN107339807B (en) | 2019-09-20 |
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| CN201710059590.9A Active CN107339807B (en) | 2017-01-24 | 2017-01-24 | A kind of method for controlling combustion of gas heater |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111140690A (en) * | 2018-11-05 | 2020-05-12 | 宁波方太厨具有限公司 | Gas proportional valve, gas water heater and control method of gas water heater |
| CN110953723B (en) * | 2019-10-30 | 2021-06-01 | 九阳股份有限公司 | Control method of gas water heater |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103900103A (en) * | 2014-04-16 | 2014-07-02 | 上海禾森机电有限公司 | Blowing-type burner control method |
| CN105650883A (en) * | 2016-01-04 | 2016-06-08 | 湖南工业大学 | Firepower remote regulating device of gas water heater |
| CN106322769A (en) * | 2016-08-30 | 2017-01-11 | 宁波方太厨具有限公司 | Water circulation control method of gas water heater, and gas water heater adopting water circulation control method |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5414648B2 (en) * | 2010-10-12 | 2014-02-12 | リンナイ株式会社 | Combined combustion device |
| JP6101180B2 (en) * | 2013-09-19 | 2017-03-22 | リンナイ株式会社 | Water heater |
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2017
- 2017-01-24 CN CN201710059590.9A patent/CN107339807B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103900103A (en) * | 2014-04-16 | 2014-07-02 | 上海禾森机电有限公司 | Blowing-type burner control method |
| CN105650883A (en) * | 2016-01-04 | 2016-06-08 | 湖南工业大学 | Firepower remote regulating device of gas water heater |
| CN106322769A (en) * | 2016-08-30 | 2017-01-11 | 宁波方太厨具有限公司 | Water circulation control method of gas water heater, and gas water heater adopting water circulation control method |
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| CN107339807A (en) | 2017-11-10 |
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