CN105928212B - The sequential control method that a kind of strong suction gas water heater of direct current quickly starts - Google Patents
The sequential control method that a kind of strong suction gas water heater of direct current quickly starts Download PDFInfo
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- CN105928212B CN105928212B CN201610308210.6A CN201610308210A CN105928212B CN 105928212 B CN105928212 B CN 105928212B CN 201610308210 A CN201610308210 A CN 201610308210A CN 105928212 B CN105928212 B CN 105928212B
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- water heater
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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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- 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)
- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
- Regulation And Control Of Combustion (AREA)
Abstract
The invention discloses the sequential control methods that a kind of strong suction gas water heater of direct current quickly starts, and include the following steps（A）Water heater power supply is opened；（B）Preceding cleaning：Wind turbine high-speed rotation；（C）Detection blower fan rotation time T enters in next step if T ＞ T1；（D）Whether detection water flow switch acts, and fast attack mode is directly entered if action, otherwise enters in next step；（E）Continue detection blower fan rotation time T, standby mode is entered if T ＞ T2.The present invention by original water flow switch act after preceding cleaning, after advanceing to Water heater electric source switch opening, since from electric power starting to opening, tap this process is fully sufficient to replace water heater internal gas, within a certain period of time, the gas quantity of leakage is seldom, combustion gas detonation concentration limit is not achieved, in this way, flow switch of water heater act when, water heater can rapid-ignition reduce water heater start the time, water temperature is avoided to rise sharply rapid drawdown, promotes user's comfort.
Description
Technical field
The present invention relates to gas instantaneous water heater, especially a kind of (direct current) with DC brushless motor wind turbine strong odd test combustion
The sequential control method that gas water heater quickly starts.
Background technology
In the prior art, water heater startup program is：Power supply is connected；Master control borad detects water-flow signal；Water heater self-test,
Check each switch whether in normal position；Preceding cleaning, wind turbine start and run at high speed；After the preceding cleaning several seconds, detection wind pressure is opened
Whether pass is closed；Controller starts to discharge, and is delayed 0.2 second, and solenoid valve is opened, and proportioning valve is opened, blower motor low speed or stopping
Power supply ...
In procedure above, the main purpose of preceding cleaning is to remove inside water heater, subtle due to long time integration
Gas leakage, so as to remaining fuel gas, ensure water heater normal ignition, avoid detonation.As long as preceding cleaning time and water heater point
Fiery time interval is not grown, and the gas quantity accumulated in water heater is few, detonation occurs when would not light a fire.
Combustion gas detonation needs a certain concentration, before not up to this concentration limit, even if open fire is lighted a fire, will not cause
Combustion gas detonation.
Invention content
Quickly to start in order to solve the above technical problems, the object of the present invention is to provide a kind of strong suction gas water heaters of direct current
Sequential control method.
The technical solution adopted by the present invention is：
The sequential control method that a kind of strong suction gas water heater of direct current quickly starts, includes the following steps (A) water heater
Power supply opening；(B) it is cleaned before：Wind turbine high-speed rotation；(C) in next step, otherwise detection blower fan rotation time T enters if T ＞ T1
Lasting detection, wherein, T1 is the most short threshold value of preceding cleaning time of setting；(D) whether detection water flow switch acts, straight if action
It taps into fast attack mode, otherwise enters in next step；(E) continue detection blower fan rotation time T, enter if T ＞ T2 standby
Otherwise state returns to previous step and persistently detects, wherein, T2 is the preceding cleaning time longest threshold value of setting.
Include the following steps under standby mode in the step (E)：(E1) whether detection water flow switch acts, if action
Into in next step, otherwise persistently detect；(E2) judge flow start action moment and cleaned before last time or it is rear clean between when
Between T ' whether be less than T3, be directly entered fast attack mode if T ' ＜ T3, otherwise into normal startup mode, wherein, T3 is
The safe time interval cleaned is not required under standby mode.
Normal startup mode cleans before including (E21) in the step (E2)：The wind turbine high-speed rotation T4 times discharge hot water
Device internal gas；(E22) detect whether rotating speed under direct current brushless motor electric current normal condition is more than preset rotation speed value, if more than if
Judgement flue blockage simultaneously stops wind turbine after the T5 times, otherwise enters in next step；(E23) control pulse igniter electric discharge, delay
After a period of time, control solenoid valve is opened and is controlled the operation of wind turbine low speed with proportioning valve or stops powering；(E24) detection combustion
Whether have flame in burner, enter if having flame in next step, otherwise more than the fire defector time when close solenoid valve and ratio
Valve, the electric discharge of stop pulse igniter；(E25) stop pulse igniter discharges；(E26) water heater normal regulating and hot water is exported；
(E27) whether detection water-flow signal closes, and then enters in next step if closing, otherwise return to step (E25)；(E28) it cleans afterwards,
Close solenoid valve and proportioning valve, wind turbine, which runs at high speed, to be stopped cleaning after the completion after the T4 times；(E29) standby mode is returned；Institute
Fast attack mode is stated to include：Wind turbine rotates at full speed, then immediately proceeds to (E22)~(E29) steps of normal startup mode.
Water heater working state-detection link is provided between the step (E26) and (E27), which includes detection and feel
Answer needle have one-way conduction and with surrounding metal without short circuit, temperature protection switch is in closed state, whether blast switch is closed, if
Water heater working state-detection link normally then enters step (E27), otherwise closes solenoid valve and proportioning valve.
Solenoid valve is closed in the step (E24) and water heater working state-detection link with after proportioning valve, detecting water
After stream switch is closed, standby mode is returned after being cleaned after.
Self-test link is provided between the step (A) and step (B), which includes detection inductive needle and surrounding
Metal is in closed state without short circuit, solenoid valve and proportioning valve without open circuit, temperature protection switch, temp probe resistance is in normal
State, blast switch are off, if self-test link normally if enter step (B), otherwise detect display failure code
Afterwards, it is cleaned after and returns to standby mode after being closed with water-flow signal.
Beneficial effects of the present invention：
The present invention by original water flow switch act after preceding cleaning, advance to Water heater electric source switch open after, due to
Family in actual use, from electric power starting to this process of opening tap, generally will undergo certain time, if in this section
Gas heater air exhauster is opened in time, it is fully sufficient to replace water heater internal gas, within a certain period of time, leakage
Gas quantity is seldom, and combustion gas detonation concentration limit is not achieved, in this way, when flow switch of water heater acts, water heater can be quick
Igniting reduces water heater and starts the time, and water temperature is avoided to rise sharply rapid drawdown, promotes user's comfort.
Description of the drawings
The specific embodiment of the present invention is described further below in conjunction with the accompanying drawings.
Fig. 1 is the main flow chart that strong suction gas water heater of the invention quickly starts；
Fig. 2 is the standby mode pair flow chart that strong suction gas water heater of the invention quickly starts.
Specific embodiment
The creation design of the present invention is：Preceding cleaning after original water flow switch is acted, advances to water heater power supply and opens
It closes after opening, due to user in actual use, from electric power starting to this process of opening tap, will generally undergo certain
It is time, fully sufficient to replace water heater internal gas if during this period of time opening gas heater air exhauster, one
In fixing time, the gas quantity of leakage is seldom, and combustion gas detonation concentration limit is not achieved, in this way, when flow switch of water heater acts, heat
Hydrophone can rapid-ignition reduce water heater and start the time, water temperature is avoided to rise sharply rapid drawdown, promotes user's comfort.Its
In, the wind turbine of water heater uses direct current brushless motor.
As shown in Figure 1, the sequential control method that a kind of strong suction gas water heater of direct current of the present invention quickly starts, including
Following steps：
(A) water heater power supply is opened；
Self-test link, the self-test link include detection inductive needle and surrounding metal without short circuit, solenoid valve and proportioning valve without disconnected
Road, temperature protection switch are in closed state, temp probe resistance is in normal condition, blast switch is off, if
Self-test link normally then enters step (B), otherwise detect display failure code after, after clean with water-flow signal pass after return
Standby mode.
(B) it is cleaned before：Wind turbine high-speed rotation；
(C) detection blower fan rotation time T enters in next step if T ＞ T1, otherwise persistently detects, wherein, T1 is setting
Preceding cleaning time most short threshold value (such as 3 seconds)；
(D) whether detection water flow switch acts, and fast attack mode is directly entered if action, otherwise enters in next step；
(E) continue detection blower fan rotation time T, standby mode is entered if T ＞ T2, otherwise return to previous step and persistently examine
It surveys, wherein, T2 is the preceding cleaning time longest threshold value (10-20 seconds) of setting.
With reference to shown in Fig. 2, include the following steps under standby mode in step (E)：
(E1) whether detection water flow switch acts, and enters in next step if action, otherwise persistently detects；
Repeat aforementioned self-test link, including detection inductive needle and surrounding metal without short circuit, solenoid valve and proportioning valve without open circuit,
Temperature protection switch is in closed state, temp probe resistance is in normal condition, blast switch is off, if self-test
Link normally then enters step (B), otherwise detect display failure code after, after clean with water-flow signal pass after return it is standby
State.
(E2) judge that flow starts action moment and whether the time T ' before last time between cleaning or rear cleaning is less than T3, if
T ' ＜ T3 are then directly entered fast attack mode, otherwise into normal startup mode, wherein, T3 is to be not required to clean under standby mode
Safe time interval (such as 20 minutes).
Normal startup mode includes in step (E2)：
(E21) it is cleaned before：The wind turbine high-speed rotation T4 times discharge water heater internal gas；
(E22) it detects whether rotating speed under direct current brushless motor electric current normal condition is more than preset rotation speed value, sentences if more than if
Determine flue blockage and stop wind turbine after the T5 times, otherwise enter in next step；
(E23) control pulse igniter electric discharge, was delayed after a period of time, and control solenoid valve is opened and controlled with proportioning valve
Wind turbine low speed operation processed stops power supply；
(E24) detect in burner whether have flame, enter if having flame in next step, otherwise more than the fire defector time
When close solenoid valve and proportioning valve, stop pulse igniter discharges；
(E25) stop pulse igniter discharges；
(E26) water heater normal regulating and hot water is exported；
Herein, further include water heater working state-detection link, the link include detection inductive needle have one-way conduction and with
Surrounding metal is without short circuit, temperature protection switch is in closed state, whether blast switch is closed, if water heater working state-detection
Link normally then enters step (E27), otherwise closes solenoid valve and proportioning valve.
(E27) whether detection water-flow signal closes, and then enters in next step if closing, otherwise return to step (E25)；
(E28) it cleans afterwards, closes solenoid valve and proportioning valve, wind turbine, which runs at high speed, to be stopped cleaning after the completion after the T4 times；
(E29) standby mode is returned；
Wherein, fast attack mode includes：Wind turbine rotates at full speed, then immediately proceed to (E22) of normal startup mode~
(E29) step.
Solenoid valve is closed in above-mentioned steps (E24) and water heater working state-detection link with after proportioning valve, detecting water
After stream switch is closed, standby mode is returned after being cleaned after.
As set forth above, it is possible to find out the innovation of the invention consists in that the quick startup of following three kinds of states：
(1) after water heater power supply is connected, long period cleaning (being cleaned after being actually, 10 to 20 seconds) is immediately begun to,
As long as after being cleaned by 3 seconds (T1) left and right, user opens water supply of water heater switch, water heater is lighted a fire immediately, clear before no longer carrying out
It sweeps, shortens the available machine time；
(2) if after power supply connection, above-mentioned cleaning process user is not switched on water supply of water heater switch, and water heater is in and treats
Machine state, within a certain period of time (consider 20 minutes), user open water supply of water heater switch, and water heater is lighted a fire immediately, no longer into
It is cleaned before row, shortens the available machine time；
(3) during user's use, water is closed in midway, (considers 20 minutes) within a certain period of time, user opens water heater and supplies
Taps, water heater are lighted a fire immediately, are cleaned before no longer carrying out, are shortened the available machine time.
The foregoing is merely the present invention preferred embodiments, the present invention is not limited to the above embodiment, if with
Essentially identical means realize that the technical solution of the object of the invention is belonged within protection scope of the present invention.
Claims (4)
1. a kind of sequential control method that strong suction gas water heater of direct current quickly starts, it is characterised in that：Include the following steps
(A) water heater power supply is opened；(B) it is cleaned before：Wind turbine high-speed rotation；(C) detection blower fan rotation time T, under entering if the T ＞ T1
One step, is otherwise persistently detected, wherein, T1 is the most short threshold value of preceding cleaning time of setting；(D) whether detection water flow switch acts,
Fast attack mode is directly entered if action, is otherwise entered in next step；(E) continue detection blower fan rotation time T, if T ＞ T2
Then enter standby mode, otherwise return to previous step and persistently detect, wherein, T2 is the preceding cleaning time longest threshold value of setting；
Include the following steps under standby mode in the step (E)：(E1) whether detection water flow switch acts, and enters if action
In next step, it otherwise persistently detects；(E2) judge flow start action moment and cleaned before last time or it is rear clean between time T '
Whether it is less than T3, fast attack mode is directly entered if T ' ＜ T3, otherwise into normal startup mode, wherein, T3 is standby
The safe time interval cleaned is not required under state；
Normal startup mode cleans before including (E21) in the step (E2)：The wind turbine high-speed rotation T4 times are discharged in water heater
Portion's gas；(E22) it detects whether rotating speed under direct current brushless motor electric current normal condition is more than preset rotation speed value, judges if more than if
Flue blockage simultaneously stops wind turbine after the T5 times, otherwise enters in next step；(E23) control pulse igniter electric discharge, is delayed one section
After time, control solenoid valve is opened and is controlled the operation of wind turbine low speed with proportioning valve or stops powering；(E24) burner is detected
In whether have flame, enter if having flame in next step, otherwise more than the fire defector time when close solenoid valve and proportioning valve, stop
Only pulse igniter discharges；(E25) stop pulse igniter discharges；(E26) water heater normal regulating and hot water is exported；(E27)
Whether detection water-flow signal closes, and then enters in next step if closing, otherwise return to step (E25)；(E28) it cleans, closes afterwards
Solenoid valve and proportioning valve, wind turbine, which runs at high speed, to be stopped after the T4 times cleaning after the completion；(E29) standby mode is returned；It is described fast
Fast start-up mode includes：Wind turbine rotates at full speed, then immediately proceeds to (E22)~(E29) steps of normal startup mode.
2. the sequential control method that a kind of strong suction gas water heater of direct current quickly starts according to claim 1, feature
It is：Water heater working state-detection link is provided between the step (E26) and (E27), which includes detection and sense
Needle have one-way conduction and with surrounding metal without short circuit, temperature protection switch is in closed state, whether blast switch is closed, if hot
Hydrophone working condition detection normally then enters step (E27), otherwise closes solenoid valve and proportioning valve.
3. the sequential control method that a kind of strong suction gas water heater of direct current quickly starts according to claim 2, feature
It is：Solenoid valve is closed in the step (E24) and water heater working state-detection link with after proportioning valve, detecting that flow is opened
After closing, standby mode is returned after being cleaned after.
4. the sequential control method that a kind of strong suction gas water heater of direct current quickly starts according to claim 1, feature
It is：Self-test link is provided between the step (A) and step (B), which includes detection inductive needle and surrounding gold
Belong to without short circuit, solenoid valve and proportioning valve without open circuit, temperature protection switch is in closed state, temp probe resistance is in normal shape
State, blast switch are off, if self-test link normally if enter step (B), otherwise detect display failure code after,
It is cleaned after and returns to standby mode after being closed with water-flow signal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610308210.6A CN105928212B (en) | 2016-05-10 | 2016-05-10 | The sequential control method that a kind of strong suction gas water heater of direct current quickly starts |
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| CN201610308210.6A CN105928212B (en) | 2016-05-10 | 2016-05-10 | The sequential control method that a kind of strong suction gas water heater of direct current quickly starts |
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| CN105928212B true CN105928212B (en) | 2018-07-06 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109489257B (en) * | 2018-10-31 | 2021-06-08 | 阿诗丹顿燃具有限公司 | Quick starting method of zero-cold-water gas quick water heater |
| CN110762851B (en) * | 2019-11-01 | 2021-04-13 | 华帝股份有限公司 | Quick ignition control method for secondary water consumption of gas water heater |
| CN114151974A (en) * | 2021-11-23 | 2022-03-08 | 广东万和新电气股份有限公司 | Gas water heater control method and device and gas water heater |
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| JPS61153338A (en) * | 1984-12-25 | 1986-07-12 | Matsushita Electric Ind Co Ltd | Gas-fired instantaneous hot water supplier |
| JPH01118068A (en) * | 1987-10-30 | 1989-05-10 | Rinnai Corp | Hot water supplying device |
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| JPS61153338A (en) * | 1984-12-25 | 1986-07-12 | Matsushita Electric Ind Co Ltd | Gas-fired instantaneous hot water supplier |
| JPH01118068A (en) * | 1987-10-30 | 1989-05-10 | Rinnai Corp | Hot water supplying device |
| CN101660833A (en) * | 2008-08-26 | 2010-03-03 | 樱花卫厨（中国）股份有限公司 | Combustion control method of forced-ventilated gas heater |
| CN201748657U (en) * | 2010-07-30 | 2011-02-16 | 成都前锋电子有限责任公司 | Control system for ordinary strong exhaust instantaneous gas water heaters |
| CN204202138U (en) * | 2014-09-29 | 2015-03-11 | 广东万家乐燃气具有限公司 | One takes out by force type gas heater |
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| CN105928212A (en) | 2016-09-07 |
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