CN105222357A - A kind of quick start method of forced-ventilated gas fast water heater - Google Patents
A kind of quick start method of forced-ventilated gas fast water heater Download PDFInfo
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- CN105222357A CN105222357A CN201510604908.8A CN201510604908A CN105222357A CN 105222357 A CN105222357 A CN 105222357A CN 201510604908 A CN201510604908 A CN 201510604908A CN 105222357 A CN105222357 A CN 105222357A
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Abstract
The invention discloses a kind of quick start method of forced-ventilated gas fast water heater, comprise (A) power-up initializing; (B) holding state is entered; (C) detect water-flow signal, if water-flow signal detected, enter next step, otherwise continue to detect; (D) self-inspection; (E) blower fan is started; (F) detect blast switch whether to close, if be closed into next step, otherwise stop blower fan after the T1 time; (G) control impuls igniter electric discharge, time delay T2, Controlling solenoid valve and proportioning valve are opened, and control blower fan low cruise or stop power supply; (H) detect in burner whether have flame, if there is flame, enter next step, otherwise shut electromagnetic valve and proportioning valve, stop pulse igniter discharge; (I) stop pulse igniter electric discharge; (J) water heater normal regulating export hot water.Thus start fast under realizing any primary condition of water heater, reduce water heater start-up time, avoid water temperature to rise sharply rapid drawdown, promote user's comfort.
Description
Technical field
The present invention relates to electric heater, especially a kind of quick start method of forced-ventilated gas fast water heater.
Background technology
Forced-ventilated water heater is developed into from Water heater for flue, while solution product gas heater use safety problem, also defect had some by band, in water heater use procedure, if midway close water, again heat water valve time, water heater needs the long period could ignition operation, thus occur because water cut-off temperature-rising reason, leaving water temperature short time raise fast, then drop sharply to close to cold water temperature, hot water temperature rises again afterwards, this section of middle cold water, user is not felt well.This situation is not obvious to customer impact in summer, but when winter, cold water temperature was very low, likely causes user to catch a cold, even cause other diseases, in order to avoid this situation occurs, major part user generally selects to be not related to water, and waste water, electricity, gas, also cause inconvenience to the user simultaneously.
Water heater for flue combustion system adopts open architecture, even if water heater has a small amount of gas leakage, also can not rest on water heater housing inside, when water heater starts, pulser discharges, immediately after of short duration time delay, magnetic valve is opened, and completes rapidly Water heater igniting process.Pass, midway water opens water valve again, only there will be water cut-off temperature-rising, and leaving water temperature can raise rapidly afterwards, there will not be too low temperature cold water.
For forced-ventilated water heater, situation just differs widely.Forced-ventilated water heater combustion system adopts semi-open structure, and water heater has a small amount of gas leakage, just may rest on water heater housing inside, once run into spark, will detonation immediately, and cause serious consequence.In order to avoid this situation occurs, when water heater starts, as shown in Figure 1, first by blower fan fast turn-around 2 to 3 seconds, carry out front cleaning, water heater internal gas to be discharged, and then after determining that blast switch is normal, pulser just starts electric discharge, after of short duration time delay, magnetic valve is opened, and completes Water heater igniting process.According to this program, pass, midway water opens water valve again, first occurs water cut-off temperature-rising, and then after several seconds cold water, leaving water temperature starts to rise again.
In fact, by existing product production technology, gas leakage amount is little, adds that forced-ventilated water heater itself is a semi Open System, substantially there is not the possibility that gas leakage causes detonation, the front cleaning of thus water heater startup, substantially meaningless.
Summary of the invention
For solving the problems of the technologies described above, the object of this invention is to provide a kind of quick start method of forced-ventilated gas fast water heater.
The technical solution used in the present invention is:
A quick start method for forced-ventilated gas fast water heater, comprises the following steps (A) power-up initializing; (B) holding state is entered; (C) detect water-flow signal, if water-flow signal detected, enter next step, otherwise continue to detect; (D) self-inspection: each switch detecting water heater is in normal condition; (E) blower fan is started; (F) detect blast switch whether to close, if be closed into next step, otherwise stop blower fan after the T1 time; (G) control impuls igniter electric discharge, time delay T2, Controlling solenoid valve and proportioning valve are opened, and control blower fan low cruise or stop power supply; (H) detect in burner whether have flame, if there is flame, enter next step, otherwise when exceeding fire defector time T3, shut electromagnetic valve and proportioning valve, stop pulse igniter discharge; (I) stop pulse igniter electric discharge; (J) water heater normal regulating export hot water.
Further; described quick start method also comprises step (K) water heater working state-detection link; this link comprise detect inductive needle have one-way conduction and with surrounding metal without short circuit, temperature protection switch is in closure state, whether blast switch closes; if water heater working state-detection link is normally, enter next step, otherwise shut electromagnetic valve and proportioning valve.
Further, whether described quick start method also comprises step (L) and detects water-flow signal and close, and then enters next step, otherwise return step J if close; (M) shut electromagnetic valve and proportioning valve; (N) blower fan runs up after the T4 time and has stopped rear cleaning; (O) holding state is returned.
Further, in described step F and water heater working state-detection link after shut electromagnetic valve and proportioning valve, stop blower fan powering detection that whether then ingoing stream signal close, if water-flow signal is for closing, blower fan runs up after the T4 time and has stopped rear cleaning, otherwise continues to detect water-flow signal.
Further; described step D self-inspection link comprise detect inductive needle and surrounding metal without short circuit, magnetic valve and proportioning valve without open circuit, temperature protection switch is in closure state, temp probe resistance is in normal condition, blast switch is in off-state; if self-inspection link normally, enter step e, otherwise stop blower fan powering.
Beneficial effect of the present invention:
Traditional heat cleaning link is directly cancelled by water heater quick start method of the present invention, when water heater starts, after self-inspection checks that all switches are normal, fan starting, after controller is checked through blast switch action, pulse igniter starts electric discharge immediately, through of short duration time delay, magnetic valve and gas ratio valve are opened, complete Water heater igniting process, thus start fast under realizing any primary condition of water heater, reduce water heater start-up time, avoid water temperature to rise sharply rapid drawdown, promote user's comfort.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further.
Fig. 1 is the control method flow chart that existing forced-ventilated water heater starts;
Fig. 2 is the method flow diagram that forced-ventilated water heater of the present invention starts fast.
Detailed description of the invention
As shown in Figure 2, be the quick start method of a kind of forced-ventilated gas fast water heater of the present invention, comprise the following steps:
(A) power-up initializing;
(B) holding state is entered;
(C) detect water-flow signal, if water-flow signal "ON" detected, enter next step, otherwise continue to detect; Water heater then adopts water flow switch, when current pass through, drive turbine in switch to rotate, turbine has magnet, produces alternating magnetic field thus, the Hall switch that water flow switch is installed outward produces switching pulse signal, pulse signal frequency and the linear relation of water flow, after current reach certain flow, controller is judged to be out, during lower than certain flow, be judged to close.
(D) self-inspection: each switch detecting water heater is in normal condition; Self-inspection link comprise detect inductive needle and surrounding metal without short circuit, magnetic valve and proportioning valve without open circuit, temperature protection switch is in closure state, temp probe resistance is in normal condition, blast switch is in off-state; if self-inspection link normally, enter step e, otherwise stop blower fan powering.
(E) blower fan is started;
(F) detect blast switch whether to close, if be closed into next step, otherwise stop blower fan after the T1 time; Stop blower fan powering detection that whether then ingoing stream signal close, if water-flow signal is for closing, blower fan runs up after the T4 time and has stopped rear cleaning, otherwise continues to detect water-flow signal.
(G) control impuls igniter electric discharge, time delay T2(0.5S), Controlling solenoid valve and proportioning valve are opened, and control blower fan low cruise or stop power supply;
(H) detect in burner whether have flame, if there is flame, enter next step, otherwise when exceeding fire defector time T3, shut electromagnetic valve and proportioning valve, stop pulse igniter discharge; Stop blower fan powering detection that whether then ingoing stream signal close, if water-flow signal is for closing, blower fan runs up after the T4 time and has stopped rear cleaning, otherwise continues to detect water-flow signal.
(I) stop pulse igniter electric discharge;
(J) water heater normal regulating export hot water.
(K) water heater working state-detection link; this link comprise detect inductive needle have one-way conduction and with surrounding metal without short circuit, temperature protection switch is in closure state, whether blast switch closes; if water heater working state-detection link normally, enter next step; otherwise shut electromagnetic valve and proportioning valve; and then stop blower fan powering; then the ingoing stream signal detection of whether closing; if water-flow signal is for closing, blower fan runs up after the T4 time and has stopped rear cleaning, otherwise continues to detect water-flow signal.
(L) detect water-flow signal whether to close, then enter next step if close, otherwise return step J;
(M) shut electromagnetic valve and proportioning valve;
(N) blower fan T4 time (20S) that runs up has stopped rear cleaning afterwards;
(O) holding state is returned.
As mentioned above, water heater quick start method of the present invention has saved the front cleaning time, to avoid the technical problem of conventional water heaters " pass, midway water opens water valve again, first occurs water cut-off temperature-rising; then after several seconds cold water, and leaving water temperature starts to rise again ".
The foregoing is only preferred embodiments of the present invention, the present invention is not limited to above-mentioned embodiment, as long as the technical scheme realizing the object of the invention with basic same approach all belongs within protection scope of the present invention.
Claims (5)
1. a quick start method for forced-ventilated gas fast water heater, is characterized in that: comprise the following steps (A) power-up initializing; (B) holding state is entered; (C) detect water-flow signal, if water-flow signal detected, enter next step, otherwise continue to detect; (D) self-inspection: each switch detecting water heater is in normal condition; (E) blower fan is started; (F) detect blast switch whether to close, if be closed into next step, otherwise stop blower fan after the T1 time; (G) control impuls igniter electric discharge, time delay T2, Controlling solenoid valve and proportioning valve are opened, and control blower fan low cruise or stop power supply; (H) detect in burner whether have flame, if there is flame, enter next step, otherwise when exceeding fire defector time T3, shut electromagnetic valve and proportioning valve, stop pulse igniter discharge; (I) stop pulse igniter electric discharge; (J) water heater normal regulating export hot water.
2. the quick start method of a kind of forced-ventilated gas fast water heater according to claim 1; it is characterized in that: it also comprises step (K) water heater working state-detection link; this link comprise detect inductive needle have one-way conduction and with surrounding metal without short circuit, temperature protection switch is in closure state, whether blast switch closes; if water heater working state-detection link is normally, enter next step, otherwise shut electromagnetic valve and proportioning valve.
3. the quick start method of a kind of forced-ventilated gas fast water heater according to claim 2, is characterized in that: whether it also comprises step (L) and detect water-flow signal and close, and then enters next step, otherwise return step J if close; (M) shut electromagnetic valve and proportioning valve; (N) blower fan runs up after the T4 time and has stopped rear cleaning; (O) holding state is returned.
4. the quick start method of a kind of forced-ventilated gas fast water heater according to claim 2, it is characterized in that: in described step F and water heater working state-detection link after shut electromagnetic valve and proportioning valve, stop blower fan powering detection that whether then ingoing stream signal close, if water-flow signal is for closing, blower fan runs up after the T4 time and has stopped rear cleaning, otherwise continues to detect water-flow signal.
5. the quick start method of a kind of forced-ventilated gas fast water heater according to claim 1; it is characterized in that: described step D self-inspection link comprise detect inductive needle and surrounding metal without short circuit, magnetic valve and proportioning valve without open circuit, temperature protection switch is in closure state, temp probe resistance is in normal condition, blast switch is in off-state; if self-inspection link normally, enter step e, otherwise stop blower fan powering.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928213A (en) * | 2016-05-10 | 2016-09-07 | 广东超人节能厨卫电器有限公司 | Quick starting method for direct-current forced pumping quick gas water heater |
| CN105928212A (en) * | 2016-05-10 | 2016-09-07 | 广东超人节能厨卫电器有限公司 | Sequential control method for quick starting of direct-current forced pumping gas water heater |
| CN106895587A (en) * | 2017-02-17 | 2017-06-27 | 广东万家乐燃气具有限公司 | A kind of fast constant temperature gas heater |
| CN110762851A (en) * | 2019-11-01 | 2020-02-07 | 华帝股份有限公司 | Quick ignition control method for secondary water consumption of gas water heater |
| CN111351229A (en) * | 2020-02-26 | 2020-06-30 | 华帝股份有限公司 | Control method of gas water heater |
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| 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 |
| CN104154663A (en) * | 2014-08-27 | 2014-11-19 | 成都前锋电子有限责任公司 | Temperature sensor active redundancy method and system based on constant temperature gas water heater |
| 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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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105928213A (en) * | 2016-05-10 | 2016-09-07 | 广东超人节能厨卫电器有限公司 | Quick starting method for direct-current forced pumping quick gas water heater |
| CN105928212A (en) * | 2016-05-10 | 2016-09-07 | 广东超人节能厨卫电器有限公司 | Sequential control method for quick starting of direct-current forced pumping gas water heater |
| 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 |
| CN106895587A (en) * | 2017-02-17 | 2017-06-27 | 广东万家乐燃气具有限公司 | A kind of fast constant temperature gas heater |
| CN110762851A (en) * | 2019-11-01 | 2020-02-07 | 华帝股份有限公司 | Quick ignition control method for secondary water consumption of gas 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 |
| CN111351229A (en) * | 2020-02-26 | 2020-06-30 | 华帝股份有限公司 | Control method of gas water heater |
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