CN103090547A - Control method for gas heating water heater - Google Patents
Control method for gas heating water heater Download PDFInfo
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- CN103090547A CN103090547A CN2013100383837A CN201310038383A CN103090547A CN 103090547 A CN103090547 A CN 103090547A CN 2013100383837 A CN2013100383837 A CN 2013100383837A CN 201310038383 A CN201310038383 A CN 201310038383A CN 103090547 A CN103090547 A CN 103090547A
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Abstract
Disclosed is a control method for a gas heating water heater. The control method is mainly characterized in that the fact that whether the water temperature inside a water storage tank is lower than two DEG C below zero (bathroom set temperature) is first judged, if the water temperature is lower than two DEG C below zero, the water storage tank is heated, after heating, the fact that whether the water temperature inside the water storage tank is higher than or equal to two DEG C below zero (the bathroom set temperature) is judged, if not, the fact that whether heating running time of the water storage tank reaches set time is judged, when the heating time reaches the set time, a three-way valve is communicated with a bathroom water pipeline, a water pump runs for a period of time, then the fact that whether the water temperature inside the water storage tank is lower than two DEG C below zero (the bathroom set temperature) is judged again, and the cycle repeats until finally, the water temperature inside the water storage tank is higher than or equal to two DEG C below zero (the bathroom set temperature). The method of intermittent heating is adopted to enable the water temperature inside the water storage tank to be close to target temperature needed by a user, and therefore the control method for the gas heating water heater has the advantage of being capable of enabling hot water generated by the gas heating water heater to meet the demands of the user.
Description
Technical field
The present invention relates to a kind of control method of gas-heating water heater.
Background technology
In the prior art, gas-heating water heater is provided with a water tank and lays in a certain amount of hot water, usually the power of this kind heating stove is relatively large, and take the mode of laser heating that the water in water tank is heated, ratio of combustion by present heating stove, when the water temperature of customer requirements is hanged down, even the duty ratio with minimum heats the water in water tank, also can be higher than the water temperature of customer requirements from the hot water temperature that water tank flows out, cause existence to work as the hot water temperature of customer requirements lower, the gas-heating water heater defective such as can not meet consumers' demand.For overcoming these defectives, the control method of gas-heating water heater is improved.
Summary of the invention
Technical problem to be solved by this invention is the control method that a kind of gas-heating water heater will be provided, and it can make the hot water of gas-heating water heater output meet consumers' demand effectively.
The technical scheme that the present invention solves its technical problem employing is: comprise the steps:
A. begin, then enter b;
B. need to judge whether shower, if yes then enter c, if otherwise enter d;
C. start the heating of bathroom pattern, then enter b;
D. judge that the water tank water temperature whether less than (bathroom set temperature-2 ℃), if yes then enter e, otherwise enters k;
E. water tank is heated, then enter f;
F. judge the water tank water temperature whether more than or equal to (bathroom set temperature-2 ℃), if yes then enter h, if otherwise enter g;
G. judge that whether heating water storage tank reaches setting-up time running time, if yes then enter h, enters f if not;
H. judge whether the heating demand, if yes then enter i, entered if not j;
I. then heating mode heating enters d;
J. triple valve is connected the bathroom water lines, and water pump operation enters d;
K. judge whether the heating request, if yes then enter l, entered if not m;
L. then heating mode heating enters d;
M. standby mode, then enter d.
Setting-up time in described step g is: (bathroom set temperature-water tank water temperature) * 6 seconds.
Adopt minimum power that water tank is heated in described step e.
The bathroom pattern is that triple valve is connected the bathroom water lines, pump operation, burner ignition, and the aperture of regulating proportioning valve by the difference of bathroom set temperature and actual leaving water temperature.
When above higher than heating water return temperature 10 degree, triple valve is connected the heating water pipeline to heating mode for the heating set temperature, pump operation, and the burner ignition is by the aperture of heating set temperature with the difference adjusting proportioning valve of actual heating water return temperature.
a kind of gas-heating water heater that uses the inventive method, it comprises main heat exchanger, the coil pipe water inlet pipe, water tank, coil pipe, the coil pipe outlet pipe, the sanitary outfall pipe, the bathroom water inlet pipe, triple valve, plate type heat exchanger, coil pipe is arranged on inside or the outside of water tank, the water side of main heat exchanger is communicated with the upper end of coil pipe by the coil pipe water inlet pipe, the lower end of coil pipe is communicated with the water inlet end of main heat exchanger after passing plate type heat exchanger by the coil pipe outlet pipe, triple valve is connected on the coil pipe water inlet pipe, the 3rd port of triple valve is communicated with the water inlet end of main heat exchanger by hot duct, the bathroom water inlet pipe is communicated with the bottom of water tank after passing plate type heat exchanger, the sanitary outfall pipe is communicated with the top of water tank.
The present invention compares the beneficial effect that produces with background technology:
1, because adopting, the present invention judges that at first the water tank water temperature is whether less than (bathroom set temperature-2 ℃), if it is water tank is heated, judge after heating that the interior water temperature of water tank is whether less than (bathroom set temperature-2 ℃), judge if it is whether heating water storage tank reaches setting-up time running time, after reaching setting-up time heat time heating time, triple valve is connected the bathroom water lines, water pump operation a period of time, and then judge that the water tank water temperature is whether less than (bathroom set temperature-2 ℃), so circulation, make at last the water tank water temperature more than or equal to the method for (bathroom set temperature-2 ℃), the mode of continuous heating between employing, water temperature in water tank is progressively approached the target temperature of user's request, therefore it can make the hot water of gas-heating water heater output meet consumers' demand effectively.
Description of drawings: Fig. 1 is control flow chart of the present invention.
Fig. 2 is the structural representation of the product of use the inventive method.
Fig. 3 is the work schematic diagram in heating water route and bathroom water route in Fig. 2.
The specific embodiment: shown in accompanying drawing 1, accompanying drawing 2, accompanying drawing 3, the present embodiment comprises the parts such as water pump 1, proportioning valve 2, bathroom expansion tank 3, burner 4, main heat exchanger 5, heating expansion tank 6, blower fan 7, coaxial smoke pipe 8, blast switch 9, coil pipe water inlet pipe 10, water tank 11, coil pipe 12, coil pipe outlet pipe 13, temp probe 14, sanitary outfall pipe 15, bathroom water inlet pipe 16, triple valve 17, plate type heat exchanger 18.
As shown in Figure 2, have two to overlap the water route in water tank 11.Wherein a cover water route is the heating water route: the coil pipe 12 that enters water tank 11 through coil pipe water inlet pipe 10 from main heat exchanger 5 high-temperature-hot-water out, cold water in hot water in coil pipe 12 and water tank 11 carries out becoming water at low temperature after heat exchange, then flow out from coil pipe outlet pipe 13, and flow back to plate type heat exchanger 18, main heat exchanger 5 forms a loop.
Another set of water route is the bathroom water route: running water is by after plate type heat exchanger 18 heat exchange for the first time, flow to water tank 11 from bathroom water inlet pipe 16, these cold water and coil pipe 12 carry out heat exchange for the second time, after surpassing the upper surface of sanitary outfall pipe 15, the water surface just flows out from sanitary outfall pipe 15, for the user.
This storage-type water heater for heating was first filled with water to water tank 11 before starting, the water in preferential cylinder 11.
As shown in Figure 1, the control method concrete steps of gas-heating water heater are as follows:
A. begin, then enter b;
B. need to judge whether shower, if yes then enter c, if otherwise enter d;
C. start the heating of bathroom pattern, then enter b;
D. judge that the water tank water temperature whether less than (bathroom set temperature-2 ℃), if yes then enter e, otherwise enters k;
E. water tank is heated, then enter f;
F. judge the water tank water temperature whether more than or equal to (bathroom set temperature-2 ℃), if yes then enter h, if otherwise enter g;
G. judge that whether heating water storage tank reaches setting-up time running time, if yes then enter h, enters f if not;
H. judge whether the heating demand, if yes then enter i, entered if not j;
I. then heating mode heating enters d;
J. triple valve is connected the bathroom water lines, and water pump operation enters d;
K. judge whether the heating request, if yes then enter l, entered if not m;
L. then heating mode heating enters d;
M. standby mode, then enter d.
The bathroom pattern is: circuit board detecting is when having health water signal, and triple valve 17 is connected the bathroom water lines, water pump 1 running, and burner 4 ignition, and by the difference of bathroom set temperature value with actual leaving water temperature value, the aperture of adjusting proportioning valve 2.When circuit board does not detect health water signal, withdraw from the bathroom pattern.
Heating mode is: when the heating set temperature is above higher than heating water return temperature 10 degree, triple valve is connected the heating water pipeline, water pump 1 running, burner 4 ignition, by the difference of heating set temperature value and actual heating water return temperature value, regulate the aperture of proportioning valve 2.When detecting the heating water return temperature, system when spending, withdraws from the heating heating mode higher than heating set temperature 5.
Minimum power is: burner 4 ignition, the aperture of proportioning valve 2 maintain minimum state.
After starting this heating stove and choosing bathroom set temperature T, temp probe 14 detects the interior original water temperature T of water tank 11 at this moment
0, the master control borad of heating stove is just with the original water temperature T in water tank
0T compares with the bathroom set temperature, and according to difference, heating stove calculates S second heat time heating time that needs automatically, and the computing formula of this heat time heating time can be: (bathroom set temperature-water tank water temperature) * 6 seconds.
And heat with constant load, as adopting the minimum power heating, complete heat time heating time S after second, the temporary close gas valve, water pump 1 remains in operation a period of time, allow water in coil pipe 12 continue with water tank 11 in water carry out heat exchange.
After heat exchange a period of time, heating stove is again with water tank bathroom set temperature T and the actual water temperature T of 11 this moments
1Make comparisons, if this difference still greater than 2, continues heating to the water in water tank 11, repeat above-mentioned steps until actual water temperature T
1Reach user's demand temperature.
Claims (10)
1. the control method of a gas-heating water heater, is characterized in that comprising the steps:
A. begin, then enter b;
B. need to judge whether shower, if yes then enter c, if otherwise enter d;
C. start the heating of bathroom pattern, then enter b;
D. judge that the water tank water temperature whether less than (bathroom set temperature-2 ℃), if yes then enter e, otherwise enters k;
E. water tank is heated, then enter f;
F. judge the water tank water temperature whether more than or equal to (bathroom set temperature-2 ℃), if yes then enter h, if otherwise enter g;
G. judge whether heating water storage tank reaches setting-up time running time, if yes then enter h, if otherwise enter f;
H. judge whether the heating demand, if yes then enter i, entered if not j;
I. then heating mode heating enters d;
J. triple valve is connected the bathroom water lines, and water pump operation enters d;
K. judge whether the heating request, if yes then enter l, entered if not m;
L. then heating mode heating enters d;
M. standby mode, then enter d.
2. the control method of gas-heating water heater according to claim 1 is characterized in that the setting-up time in described step g is: (bathroom set temperature-water tank water temperature) * 6 seconds.
3. the control method of gas-heating water heater according to claim 1 and 2, is characterized in that adopting in described step e minimum power that water tank (11) is heated.
4. the control method of gas-heating water heater according to claim 1 and 2, it is characterized in that described bathroom pattern is that triple valve (17) is connected the bathroom water lines, water pump (1) running, burner (4) ignition, and the aperture of regulating proportioning valve (2) by the difference of bathroom set temperature and actual leaving water temperature.
5. the control method of gas-heating water heater according to claim 3, it is characterized in that described bathroom pattern is that triple valve (17) is connected the bathroom water lines, water pump (1) running, burner (4) ignition, and the aperture of regulating proportioning valve (2) by the difference of bathroom set temperature and actual leaving water temperature.
6. the control method of gas-heating water heater according to claim 1 and 2, it is characterized in that described heating mode is for the heating set temperature when above higher than heating water return temperature 10 degree, triple valve (17) is connected the heating water pipeline, water pump (1) running, burner (4) ignition, the aperture of regulating proportioning valve (2) by the difference of heating set temperature and actual heating water return temperature.
7. the control method of gas-heating water heater according to claim 3, it is characterized in that described heating mode is for the heating set temperature when above higher than heating water return temperature 10 degree, triple valve (17) is connected the heating water pipeline, water pump (1) running, burner (4) ignition, the aperture of regulating proportioning valve (2) by the difference of heating set temperature and actual heating water return temperature.
8. the control method of gas-heating water heater according to claim 4, it is characterized in that described heating mode is for the heating set temperature when above higher than heating water return temperature 10 degree, triple valve (17) is connected the heating water pipeline, water pump (1) running, burner (4) ignition, the aperture of regulating proportioning valve (2) by the difference of heating set temperature and actual heating water return temperature.
9. the control method of gas-heating water heater according to claim 5, it is characterized in that described heating mode is for the heating set temperature when above higher than heating water return temperature 10 degree, triple valve (17) is connected the heating water pipeline, water pump (1) running, burner (4) ignition, the aperture of regulating proportioning valve (2) by the difference of heating set temperature and actual heating water return temperature.
10. a right to use requires the gas-heating water heater of 1 described method, it comprises main heat exchanger (5), coil pipe water inlet pipe (10), water tank (11), coil pipe (12), coil pipe outlet pipe (13), sanitary outfall pipe (15), bathroom water inlet pipe (16), triple valve (17), plate type heat exchanger (18), coil pipe (12) is arranged on inside or the outside of water tank (11), the water side that it is characterized in that main heat exchanger (5) is communicated with the upper end of coil pipe (12) by coil pipe water inlet pipe (10), the lower end of coil pipe (12) is communicated with the water inlet end of main heat exchanger (5) after passing plate type heat exchanger (18) by coil pipe outlet pipe (13), triple valve (17) is connected on coil pipe water inlet pipe (10), the 3rd port of triple valve (17) is communicated with by the water inlet end of hot duct with main heat exchanger (5), bathroom water inlet pipe (16) is communicated with the bottom of water tank (11) after passing plate type heat exchanger (18), sanitary outfall pipe (15) is communicated with the top of water tank (11).
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| CN201310038383.7A CN103090547B (en) | 2013-02-01 | 2013-02-01 | The control method of gas-heating water heater |
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| CN201310038383.7A CN103090547B (en) | 2013-02-01 | 2013-02-01 | The control method of gas-heating water heater |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106500343A (en) * | 2016-10-13 | 2017-03-15 | 广东万家乐燃气具有限公司 | A kind of control method of central fuel gas water heating device |
| CN106885287A (en) * | 2017-02-22 | 2017-06-23 | 珠海格力电器股份有限公司 | The control method of gas water-heating furnace, apparatus and system |
| CN108775617A (en) * | 2018-07-04 | 2018-11-09 | 阿诗丹顿燃具有限公司 | A kind of gas-heating water heater of anti-dry |
| CN109737605A (en) * | 2019-02-28 | 2019-05-10 | 中山市樱雪集团有限公司 | Zero-cold-water preheating device for gas heating water heater and control method thereof |
| CN109869911A (en) * | 2017-12-05 | 2019-06-11 | 青岛经济技术开发区海尔热水器有限公司 | A kind of combustion gas constant temperature heating stove |
| CN110345645A (en) * | 2019-07-19 | 2019-10-18 | 珠海格力电器股份有限公司 | Wall-hung boiler water outlet control method, device and wall hanging furnace apparatus |
| CN112283953A (en) * | 2019-07-22 | 2021-01-29 | 芜湖美的厨卫电器制造有限公司 | Hot water treatment device and control method and device thereof |
| CN112577099A (en) * | 2019-09-30 | 2021-03-30 | 芜湖美的厨卫电器制造有限公司 | Heating water heater, control method thereof and computer readable storage medium |
| CN114838504A (en) * | 2021-01-15 | 2022-08-02 | 芜湖美的厨卫电器制造有限公司 | Wall-hanging furnace heat circulation system control method, storage medium, system and control device |
| CN114941907A (en) * | 2021-02-10 | 2022-08-26 | 芜湖美的厨卫电器制造有限公司 | Heating control method, gas water heater and readable storage medium |
| CN115900078A (en) * | 2022-10-20 | 2023-04-04 | 珠海格力电器股份有限公司 | Constant-temperature water outlet device, wall-mounted furnace and constant-temperature water outlet method |
| US11828475B2 (en) | 2019-09-30 | 2023-11-28 | Wuhu Midea Kitchen And Bath Appliances Mfg. Co., Ltd. | Heating water heater and control method thereof, and computer-readable storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106500343A (en) * | 2016-10-13 | 2017-03-15 | 广东万家乐燃气具有限公司 | A kind of control method of central fuel gas water heating device |
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| CN106885287B (en) * | 2017-02-22 | 2019-05-31 | 珠海格力电器股份有限公司 | The control method of gas water-heating furnace, apparatus and system |
| CN109869911A (en) * | 2017-12-05 | 2019-06-11 | 青岛经济技术开发区海尔热水器有限公司 | A kind of combustion gas constant temperature heating stove |
| CN108775617A (en) * | 2018-07-04 | 2018-11-09 | 阿诗丹顿燃具有限公司 | A kind of gas-heating water heater of anti-dry |
| CN109737605A (en) * | 2019-02-28 | 2019-05-10 | 中山市樱雪集团有限公司 | Zero-cold-water preheating device for gas heating water heater and control method thereof |
| CN110345645A (en) * | 2019-07-19 | 2019-10-18 | 珠海格力电器股份有限公司 | Wall-hung boiler water outlet control method, device and wall hanging furnace apparatus |
| CN112283953A (en) * | 2019-07-22 | 2021-01-29 | 芜湖美的厨卫电器制造有限公司 | Hot water treatment device and control method and device thereof |
| CN112283953B (en) * | 2019-07-22 | 2022-09-23 | 芜湖美的厨卫电器制造有限公司 | Hot water treatment device and control method and device thereof |
| CN112577099A (en) * | 2019-09-30 | 2021-03-30 | 芜湖美的厨卫电器制造有限公司 | Heating water heater, control method thereof and computer readable storage medium |
| US11828475B2 (en) | 2019-09-30 | 2023-11-28 | Wuhu Midea Kitchen And Bath Appliances Mfg. Co., Ltd. | Heating water heater and control method thereof, and computer-readable storage medium |
| CN114838504A (en) * | 2021-01-15 | 2022-08-02 | 芜湖美的厨卫电器制造有限公司 | Wall-hanging furnace heat circulation system control method, storage medium, system and control device |
| CN114941907A (en) * | 2021-02-10 | 2022-08-26 | 芜湖美的厨卫电器制造有限公司 | Heating control method, gas water heater and readable storage medium |
| CN115900078A (en) * | 2022-10-20 | 2023-04-04 | 珠海格力电器股份有限公司 | Constant-temperature water outlet device, wall-mounted furnace and constant-temperature water outlet method |
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