CN107339811B - A method of detection gas heater burning gases whether standard - Google Patents
A method of detection gas heater burning gases whether standard Download PDFInfo
- Publication number
- CN107339811B CN107339811B CN201710059640.3A CN201710059640A CN107339811B CN 107339811 B CN107339811 B CN 107339811B CN 201710059640 A CN201710059640 A CN 201710059640A CN 107339811 B CN107339811 B CN 107339811B
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- China
- Prior art keywords
- proportion valve
- current value
- combusted proportion
- gas heater
- burning gases
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Classifications
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/12—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using combustion
Abstract
The present invention relates to it is a kind of for detect gas heater burning gases whether the method for standard, the gas heater includes burner, igniter, combusted proportion valve, blower, master board, and the outlet valve connecting with master board pre-save in master control borad in the burning gases nominally mapping table between combusted proportion valve theoretical current value range and Actual combustion power.Combusted proportion valve theoretical current value range is obtained according to currently practical combustion power, then by judge combusted proportion valve actual current value whether within combusted proportion valve theoretical current value range, can detecte out combustion gas air pressure is too low and problem that the impure caused temperature uniformity of imflammable gas ingredient is bad.
Description
Technical field
The present invention relates to it is a kind of for detect gas heater burning gases whether the method for standard.
Background technique
Domestic gas-fired water heater during use will face many uncontrollable factors, as flow of inlet water fluctuation,
Wind pressure caused by the purity of burning gases, the range of the air pressure of burning gases, the external world blow is excessive etc., these factors may shadow
It rings the temperature persistance of gas heater or gas heater is caused to can not work normally.Wherein the admission line of user family is narrow
The problems such as lead to be conveyed to the fuel gas pressure of gas heater not in the reasonable scope and combustible gas component is impure etc.
Problem, the then temperature persistance that will lead to water heater go wrong.
Summary of the invention
It is a kind of for detecting gas heater the technical problem to be solved by the present invention is to be provided for the above-mentioned prior art
Burning gases whether the method for standard, whether this method can detect the air pressure of burning gases in gas heater in zone of reasonableness
Or whether combustion gas composition is impure.
The technical scheme of the invention to solve the technical problem is: a kind of for detecting gas heater combustion gas
Body whether the method for standard, the gas heater includes burner, for the igniter to burner ignition, for control into
The how many combusted proportion valve of the Indoor Combustion gas that enters to burn enters the blower that air capacity is how many in combustion chamber for controlling, is used for
The master board of combusted proportion valve current value, rotation speed of fan and igniter opening and closing, and the outlet valve connecting with master board are controlled,
It is characterized by: having been pre-saved in the master control borad in burning gases nominally combusted proportion valve theoretical current value range
With the mapping table between Actual combustion power, the master board is interior to be equipped with thermostatic control logic, and master board is by such as
Lower step judge burning gases whether standard:
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 wind speed, step 4 is then executed；
Step 4: combusted proportion valve is 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: master control borad executes thermostatic control logic, step 7 is then executed；
Step 7: calculating currently practical combustion power, the theoretical electricity of combusted proportion valve is obtained according to currently practical combustion power
Value range is flowed, step 8 is then executed；
Step 8: obtaining combusted proportion valve actual current value, judge combusted proportion valve actual current value whether in step 6
Within the combusted proportion valve theoretical current value range of acquisition, if so, return step six, if not being, output burning gases are nonstandard
Alarm signal.
In the step 7, currently practical combustion power=(current set water temperature degree-inflow temperature) current water flow of *.
In thermostatic control logic in the master board, master control borad can according to set water temperature degree and practical leaving water temperature,
Dynamic adjustment combusted proportion valve current value and rotation speed of fan, so that practical leaving water temperature is dynamic to be equal to set water temperature degree.
Compared with the prior art, the advantages of the present invention are as follows: combusted proportion valve reason is obtained according to currently practical combustion power
By current range value, then by judge combusted proportion valve actual current value whether combusted proportion valve theoretical current value range it
Interior, whether the air pressure that can detecte out combustion gas impure in zone of reasonableness or combustion gas composition, and then prompts user timely
Adjust the working environment of water heater, it is ensured that the temperature uniformity normal use of water heater.
Detailed description of the invention
Fig. 1 is conventional domestic gas-fired water heater structural schematic diagram in the prior art；
Fig. 2 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.
Present embodiments provide it is a kind of for detect gas heater burning gases whether the method for standard, wherein combustion gas heat
Hydrophone is primarily directed to the gas heater of conventional household, and the structure of this kind of gas heater is shown in Figure 1 comprising combustion
Burner is used for the igniter to burner ignition for controlling the combusted proportion valve how many into burning Indoor Combustion gas
Enter the blower that air capacity is how many in combustion chamber in control, for controlling combusted proportion valve current value, rotation speed of fan and igniter
The master board of opening and closing, and the outlet valve being connect with master board.In embodiment, it has pre-saved and has fired in the master control borad
Mapping table in the case of burning gas standard between combusted proportion valve theoretical current value range and Actual combustion power, the master
Be equipped with thermostatic control logic in control panel, master board judge as follows burning gases whether standard:
Whether the method for standard includes the following steps the gas heater detection burning gases, shown in Figure 2:
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, in the present embodiment, given threshold 2.5L/min, 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 wind speed, step 4 is then executed；
Step 4: combusted proportion valve is 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: master control borad executes thermostatic control logic, step 7 is then executed；Master control borad can according to set water temperature degree with
Practical leaving water temperature, dynamic adjust combusted proportion valve current value and rotation speed of fan, so that practical leaving water temperature is dynamic to be equal to setting water
Temperature；
Step 7: calculating currently practical combustion power, the theoretical electricity of combusted proportion valve is obtained according to currently practical combustion power
Value range is flowed, step 8 is then executed；Currently practical combustion power=(current set water temperature degree-inflow temperature) current water flow of *
Amount；
Step 8: obtaining combusted proportion valve actual current value, judge combusted proportion valve actual current value whether in step 6
Within the combusted proportion valve theoretical current value range of acquisition, if so, return step six, if not being, output burning gases are nonstandard
Alarm signal.
Gas heater burning gases are detected in the present embodiment, and whether the principle of the method for standard is: gas heater is just
It, can be according to the size for the Actual combustion power calculation proportioning valve electric current that user family uses and the size of rotation speed of fan often when burning；
According to above-mentioned logic be known that gas heater combustion gas composition standard and air pressure in the reasonable scope when, proportioning valve
Electric current and expected Actual combustion power generally it is believed that i.e. there are a kind of one-to-one relationship, we can be
This corresponding relationship is tested out under laboratory standard state, it can be according to the reality of burning when gas heater is in burning
Combustion power inverse goes out the theoretic electric current of corresponding proportioning valve under standard state, by the actual current value of proportioning valve and theory
Current value compares, and deviation in this way is excessive, then it is assumed that the gas of the air inlet of machine is unsatisfactory for standard conditions, to give a warning
User is notified to repair adjustment.
Claims (3)
1. it is a kind of for detect gas heater burning gases whether the method for standard, the gas heater includes burner,
For giving the igniter of burner ignition, for controlling the combusted proportion valve how many into burning Indoor Combustion gas, for controlling
System enters the blower that air capacity is how many in combustion chamber, for controlling combusted proportion valve current value, rotation speed of fan and igniter opening and closing
Master board, and the outlet valve being connect with master board, it is characterised in that: pre-saved in the master control borad in combustion gas
The body nominally mapping table between combusted proportion valve theoretical current value range and Actual combustion power, the main control
Be equipped with thermostatic control logic in plate, master board judge as follows burning gases whether standard:
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 wind speed, step 4 is then executed；
Step 4: combusted proportion valve is 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: master control borad executes thermostatic control logic, step 7 is then executed；
Step 7: calculating currently practical combustion power, combusted proportion valve theoretical current model is obtained according to currently practical combustion power
Value is enclosed, step 8 is then executed；
Step 8: obtaining combusted proportion valve actual current value, judge whether combusted proportion valve actual current value obtains in step 7
Combusted proportion valve theoretical current value range within, if so, return step six, if not being, export the non-type report of burning gases
Alert signal.
2. it is according to claim 1 for detect gas heater burning gases whether the method for standard, it is characterised in that:
In step 7, currently practical combustion power=(current set water temperature degree-inflow temperature) current water flow of *.
3. it is according to claim 1 or 2 for detect gas heater burning gases whether the method for standard, feature exists
In: in the thermostatic control logic in the master board, master control borad can be according to set water temperature degree and practical leaving water temperature, and dynamic is adjusted
Whole combusted proportion valve current value and rotation speed of fan, so that practical leaving water temperature is dynamic to be equal to set water temperature degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710059640.3A CN107339811B (en) | 2017-01-24 | 2017-01-24 | A method of detection gas heater burning gases whether standard |
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| CN201710059640.3A CN107339811B (en) | 2017-01-24 | 2017-01-24 | A method of detection gas heater burning gases whether standard |
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| CN107339811B true CN107339811B (en) | 2019-07-26 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108518871B (en) * | 2018-04-11 | 2021-05-11 | 芜湖美的厨卫电器制造有限公司 | Control method and control system of gas water heater |
| CN110207386B (en) * | 2018-06-15 | 2021-05-18 | 华帝股份有限公司 | Gas water heater capable of achieving staged combustion and control method thereof |
| CN110207387A (en) * | 2018-09-04 | 2019-09-06 | 华帝股份有限公司 | Self-adaptive control method for air pressure system of gas water heater |
| CN111141030A (en) * | 2018-11-02 | 2020-05-12 | 青岛经济技术开发区海尔热水器有限公司 | Control method of gas water heater and gas water heater |
| CN110332717B (en) * | 2019-07-19 | 2021-04-06 | 珠海格力电器股份有限公司 | Combustion control method and device for water heater, water heater and storage medium |
| CN114517988B (en) * | 2020-11-17 | 2023-11-03 | 云米互联科技(广东)有限公司 | Control method of gas water heater, gas water heater and readable storage medium |
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| CN103900103A (en) * | 2014-04-16 | 2014-07-02 | 上海禾森机电有限公司 | Blowing-type burner control method |
| 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 |
| CN106016755A (en) * | 2016-05-10 | 2016-10-12 | 广东超人节能厨卫电器有限公司 | Time sequence control method for quick starting of direct-current strong suction gas water heater |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6101180B2 (en) * | 2013-09-19 | 2017-03-22 | リンナイ株式会社 | Water heater |
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| CN102563886A (en) * | 2012-01-06 | 2012-07-11 | 广东万家乐燃气具有限公司 | Adaptive gas water heater, system thereof and method for automatically judging gas types |
| CN103090548A (en) * | 2013-02-01 | 2013-05-08 | 广东万和新电气股份有限公司 | Protection device of gas water heater flue blockage and detecting method thereof |
| CN103900103A (en) * | 2014-04-16 | 2014-07-02 | 上海禾森机电有限公司 | Blowing-type burner control method |
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