CN102748864A - Heat storage electric water heater and temperature control method and device thereof - Google Patents
Heat storage electric water heater and temperature control method and device thereof Download PDFInfo
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- CN102748864A CN102748864A CN2011101013700A CN201110101370A CN102748864A CN 102748864 A CN102748864 A CN 102748864A CN 2011101013700 A CN2011101013700 A CN 2011101013700A CN 201110101370 A CN201110101370 A CN 201110101370A CN 102748864 A CN102748864 A CN 102748864A
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Abstract
The invention discloses a heat storage electric water heater and a temperature control method and a temperature control device thereof. The temperature control method of the heat storage electric water heater comprises the following steps of: acquiring the first set temperature of a user; heating water in the heat storage electric water heater to the first set temperature; judging whether water in the heat storage electric water heater is used or not; and when water in the heat storage electric water heater is not used, controlling the heat-preserving temperature of the heat storage electric water heater at a second temperature, wherein the second temperature is lower than the first set temperature. Through the heat storage electric water heater, waste of electric power resources is avoided, energy is saved, and the environment is protected.
Description
Technical field
The present invention relates to the electric heater field, in particular to a kind of heat storing type electric water heater and temperature-controlled process and device.
Background technology
The use of heat storing type electric water heater generally is that water temperature in the electric heater is heated to very high temperature, generally about 60～75 degree, makes through mixing water valve that water mixes with normal-temperature water in the water heater then, the water of the suitable human body bathing temperature of output (42 spend about).
Electric heater for utilizing electronic chip control mainly contains temperature sensor, controller chip; Heating rod, necessary parts such as heat-insulation layer, the user is after selecting through controller or having set the temperature of required heating; The chip controls heating rod begins heating, and temperature sensor carries out the water temperature sampling, and chip is carried out the temperature feedback; After water temperature is more than or equal to the user preset value, stop heating; Wait for that then water temperature is cooled off naturally in the electric heater water tank, after water temperature is lower than certain scope of user preset value, open heating rod once more and heat, so repeatedly.
In above-mentioned temperature-controlled process; Water heater continues to be operated in repeatedly in the user preset temperature range, in case forget after the user start forget and shut down that water heater still can continue to heat after bathing or the bathing in this preset temperature range; Most important one is exactly leaking heat in the energy consumption standard of water heater; Promptly under the situation that heat-generating pipe does not heat, wait for that water temperature cools off naturally, at the appointed time (as 1 hour) temperature (being the heat of loss) of being reduced.And the size of this leaking heat (Q) is directly proportional with the temperature difference (Δ T=T1-T2) of water heater temperature (T1) and ambient temperature (T2), i.e. Q=a* Δ T, a＞0.Can find out that from this formula the temperature difference is big more, the heat of water heater loss is many more.Therefore, after user start occurring, forget the phenomenon of forgetting shutdown after bathing or the bathing, water heater will continuous firing in the higher bathing temperature that the user sets, cause the great amount of heat loss, thereby cause electric power resource to waste not energy-conserving and environment-protective.
Summary of the invention
Main purpose of the present invention is to provide a kind of heat storing type electric water heater and temperature-controlled process and device, to solve the bigger problem of temperature-controlled process thermal losses of heat storing type electric water heater of the prior art.
To achieve these goals, according to an aspect of the present invention, a kind of temperature-controlled process of heat storing type electric water heater is provided.The temperature-controlled process of this heat storing type electric water heater comprises: first design temperature that obtains the user; Water in the heat storing type electric water heater is heated to first design temperature; Judge whether the water in the heat storing type electric water heater is used; And the water in confirming the heat storing type electric water heater is not when being used, and the holding temperature of control heat storing type electric water heater is second temperature, and wherein, second temperature is less than first design temperature.
Further; Judging whether water in the heat storing type electric water heater is used comprises: judge whether the water in the heat storing type electric water heater was used in the very first time; Wherein, When the water in confirming the heat storing type electric water heater is not used, confirm that then the water in the heat storing type electric water heater is not used in the very first time.
Further, when the water in confirming the heat storing type electric water heater was used in the very first time, also comprise: when the water in the heat storing type electric water heater no longer is used, the water in the heat storing type electric water heater is continued to be heated to first design temperature; Judge whether the water in the heat storing type electric water heater is used, and wherein, second time is less than the very first time in second time; And the water in confirming the heat storing type electric water heater confirms that then the water in the heat storing type electric water heater is not used when in second time, not being used.
Further, adopt following method to judge whether the water in the heat storing type electric water heater is used: to judge whether the water in the heat storing type electric water heater reduces the 3rd temperature at the 3rd time internal ratio first design temperature; And the water in confirming the heat storing type electric water heater confirms that then the water in the heat storing type electric water heater is used when the 3rd time internal ratio first design temperature reduces the 3rd temperature.
Further, adopt following method to judge whether the water in the heat storing type electric water heater is used: to judge whether the water in the heat storing type electric water heater reduces the 4th temperature than first design temperature; And the water in confirming the heat storing type electric water heater is when reducing the 4th temperature than first design temperature, and the water in then definite heat storing type electric water heater is used.
Further, can also adopt flowmeter to judge whether the water in the heat storing type electric water heater is used.
To achieve these goals, according to a further aspect in the invention, a kind of temperature control equipment of heat storing type electric water heater is provided.The temperature control equipment of this heat storing type electric water heater comprises: acquisition module is used to obtain user's first design temperature; First heating module is used for the water of heat storing type electric water heater is heated to first design temperature; First judge module is used for judging whether the water of heat storing type electric water heater is used; And control module, being used for when the water of confirming the heat storing type electric water heater is not used, the holding temperature of control heat storing type electric water heater is second temperature, wherein, second temperature is less than first design temperature.
Further; First judge module is used for also judging whether the water of heat storing type electric water heater is used in the very first time; Wherein, when the water in confirming the heat storing type electric water heater is not used, confirm that then the water in the heat storing type electric water heater is not used in the very first time.
Further; First heating module also is used for when the water of confirming the heat storing type electric water heater was used in the very first time; After water in the heat storing type electric water heater no longer is used, the water in the heat storing type electric water heater is continued to be heated to first design temperature, first judge module is used for also judging whether the water of heat storing type electric water heater is used in second time; Wherein, Second time when water in confirming the heat storing type electric water heater is not used, confirmed then that the water in the heat storing type electric water heater was not used less than the very first time in second time.
Further, first judge module comprises: first judges submodule, is used for judging whether the water of heat storing type electric water heater reduces the 3rd temperature at the 3rd time internal ratio first design temperature; And first confirm submodule, is used at the water of confirming the heat storing type electric water heater when the 3rd time internal ratio first design temperature reduces the 3rd temperature, confirms that then the water in the heat storing type electric water heater is used.
Further, first judge module comprises: second judges submodule, is used for judging whether the water of heat storing type electric water heater reduces the 4th temperature than first design temperature; And second confirm submodule, is used for when water internal ratio first design temperature of confirming the heat storing type electric water heater reduces the 4th temperature, confirms that then the water in the heat storing type electric water heater is used.
To achieve these goals, according to a further aspect in the invention, a kind of heat storing type electric water heater is provided.This heat storing type electric water heater comprises the temperature control equipment of heat storing type electric water heater of the present invention.
Through the present invention, adopt first design temperature that obtains the user; Water in the heat storing type electric water heater is heated to first design temperature; Judge whether the water in the heat storing type electric water heater is used; And the water in confirming the heat storing type electric water heater is not when being used; The holding temperature of control heat storing type electric water heater is second temperature, and wherein, second temperature is less than first design temperature; Solve water heater of the prior art and caused the electric power resource waste; The problem of not energy-conserving and environment-protective, and then reached the waste of reduction electric power resource, effect in energy saving and environmental protection.
Description of drawings
The accompanying drawing that constitutes the application's a part is used to provide further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart according to the temperature-controlled process of the heat storing type electric water heater of the embodiment of the invention;
Fig. 2 is the flow chart according to the temperature-controlled process of the heat storing type electric water heater of first preferred embodiment of the invention;
Fig. 3 is the flow chart according to the temperature-controlled process of the heat storing type electric water heater of second preferred embodiment of the invention;
Fig. 4 is the flow chart according to the temperature control equipment of the heat storing type electric water heater of the embodiment of the invention;
Fig. 5 is the flow chart according to the temperature control equipment of the heat storing type electric water heater of first preferred embodiment of the invention; And
Fig. 6 is the flow chart according to the temperature control equipment of the heat storing type electric water heater of second preferred embodiment of the invention.
The specific embodiment
Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.Below with reference to accompanying drawing and combine embodiment to specify the present invention.
Fig. 1 is the flow chart according to the temperature-controlled process of the heat storing type electric water heater of the embodiment of the invention.As shown in Figure 1, this method comprises that following step S102 is to step S108:
Step S102 obtains user's first design temperature;
Step S104 is heated to first design temperature with the water in the heat storing type electric water heater;
Step S106 judges whether the water in the heat storing type electric water heater is used;
Step S108, when the water in confirming the heat storing type electric water heater was not used, the holding temperature of control heat storing type electric water heater was second temperature, wherein, second temperature is less than first design temperature.
In the temperature-controlled process of above-mentioned heat storing type electric water heater; Because when the water in confirming the heat storing type electric water heater is not used; The holding temperature of control heat storing type electric water heater is second temperature that is lower than first design temperature; Thereby enough reduce the electric power resource waste, reach effect in energy saving and environmental protection.
Preferably; Judging whether water in the heat storing type electric water heater is used comprises: judge whether the water in the heat storing type electric water heater was used in the very first time; Wherein, When the water in confirming the heat storing type electric water heater is not used, confirm that then the water in the heat storing type electric water heater is not used in the very first time.
Preferably, when the water in confirming the heat storing type electric water heater was used in the very first time, also comprise: when the water in the heat storing type electric water heater no longer is used, the water in the heat storing type electric water heater is continued to be heated to first design temperature; Judge whether the water in the heat storing type electric water heater is used, and wherein, second time is less than the very first time in second time; And the water in confirming the heat storing type electric water heater confirms that then the water in the heat storing type electric water heater is not used when in second time, not being used.
Fig. 2 is the flow chart according to the temperature-controlled process of the heat storing type electric water heater of first preferred embodiment of the invention.Below in conjunction with Fig. 2 the temperature-controlled process of the heat storing type electric water heater of the preferred embodiment of the present invention is described:
Defined the operating temperature of two water heaters in embodiments of the present invention, one is the required first design temperature Ts that is heated to of water heater that the user sets, and this temperature can be along with the user's setting vary.Another is the required holding temperature that is heated to of water heater second temperature of setting compared to the user lower than first design temperature, and this temperature is relatively-stationary.
Water heater is started working after the user configures the water temperature of use, and after water temperature reached the first design temperature Ts, heat-generating pipe quit work; At this moment, system gets into to judge whether the water in the water heater is used the stage, and picks up counting; If the water in the water heater is not used in very first time ta (as ta=2 hour); System just thinks that automatically the user has not carried out bathing, and then very first time ta (as ta=2 hour) back water heater gets into the energy-saving heat preserving state, and holding temperature is second temperature; If the water in very first time ta heater inside is used, then water heater begins heating automatically, and when user's bathing finishes, water heater continues to be heated to first design temperature with water temperature, and heat-generating pipe quits work.System judges once more whether the water in the water heater is used, and judgement time shorten to the second time tb (as tb=1 hour, tb≤ta).With determination methods is the same for the first time, if the user does not have water in second time, then system gets into the energy-saving heat preserving pattern; If user's water then continues water is heated to first design temperature, get into for the third time once more and judge; In like manner; Reach for the third time the judgement that later judgement time shortens to halfhour tc (tc≤tb), circulation so repeatedly is up to user's water no longer; System gets into the energy-saving heat preserving pattern, and holding temperature is second temperature.
Fig. 3 is the flow chart according to the temperature-controlled process of the heat storing type electric water heater of second preferred embodiment of the invention.Below in conjunction with Fig. 3 the temperature-controlled process of the heat storing type electric water heater of the preferred embodiment of the present invention is described:
When get into judge the stage whether water in the water heater be used after; System begins the circulation timing that the time of carrying out is the 3rd time tm (as tm=1 minute); The current water temperature T of sampling; If in the 3rd time tm heater inside the temperature drop of water low the 3rd temperature (as 2 ℃), confirm that then the water in the water heater is used.In order to ensure the accuracy of judging, above-mentioned determination methods adopts at least twice to carry out, if promptly in first the 3rd time tm heater inside the temperature of water reduced the 3rd temperature; Get into the judgement of second the 3rd time tm so; If the temperature of water continues to have reduced the 3rd temperature in the water heater, confirm that then the water in the water heater is used, if do not reduce the 3rd temperature for the second time; Confirm that then the water in the water heater is not used, continue to return initial decision state.
Preferably, if at ta, tb, the temperature of water has reduced the 4th temperature (as 5 ℃) than first design temperature in the tc time period heater inside, confirms that then the water in the heat storing type electric water heater is used.
Preferably; In the determination methods whether water in carrying out water heater is used; Except adopting flowmeter judges whether water in the heat storing type electric water heater is used, the present invention adopts temperature sensor that the sampling of variations in temperature is judged whether the water in the water heater is used.
Flow monitoring is through having adopted a kind of device that is equivalent to sensor; This device is installed on the water pipe; Flow through as current, sensor will send a signal to chip, and the signal that the discharge difference is sent is different; Chip is sampled to this signal, carries out inter-process according to sampled data then.Flowmeter is a kind of existing product, on Related product, uses.
Alternatively, also can detect whether water of user through independent employing flowmeter, the temperature-controlled process of the heat storing type electric water heater that the present invention proposes can be that the variation of only using bulb (being temperature sensor) to detect water temperature detects whether water of user.Two kinds of detections are separate, and whether not influence wherein, can detect water without bulb when adopting flowmeter.In two detection modes, flowmeter detects more accurately with quick, but storage-type electric water heater there is no need to detect high accuracy and speed so, thereby, preferably, can adopt through variations in temperature and whether detect water.
The present invention also provides a kind of temperature control equipment of heat storing type electric water heater.
Fig. 4 is the flow chart according to the temperature control equipment of the heat storing type electric water heater of the embodiment of the invention.As shown in Figure 4, this device comprises acquisition module 42, first heating module 44, first judge module 46 and control module 48.
Acquisition module 42 is used to obtain user's first design temperature;
First heating module 44 is used for the water of heat storing type electric water heater is heated to first design temperature;
First judge module 46 is used for judging whether the water of heat storing type electric water heater is used; And
Control module 48 is used for when the water of confirming the heat storing type electric water heater is not used, and the holding temperature of control heat storing type electric water heater is second temperature, and wherein, second temperature is less than first design temperature.
Preferably; First judge module 46 is used for also judging whether the water of heat storing type electric water heater is used in the very first time; Wherein, when the water in confirming the heat storing type electric water heater is not used, confirm that then the water in the heat storing type electric water heater is not used in the very first time.
Preferably; First heating module 44 also is used for when the water of confirming the heat storing type electric water heater was used in the very first time; After water in the heat storing type electric water heater no longer is used, the water in the heat storing type electric water heater is continued to be heated to first design temperature, first judge module is used for also judging whether the water of heat storing type electric water heater is used in second time; Wherein, Second time when water in confirming the heat storing type electric water heater is not used, confirmed then that the water in the heat storing type electric water heater was not used less than the very first time in second time.
Preferably; After acquisition module 42 is used to obtain user's first design temperature; First heating module 44 is used for the water of heat storing type electric water heater is heated to first design temperature; First determination module 46 comprises: first judges submodule 462, is used for judging whether the water of heat storing type electric water heater reduces the 3rd temperature at the 3rd time internal ratio first design temperature; First confirms submodule 464, is used at the water of confirming the heat storing type electric water heater when the 3rd time internal ratio first design temperature reduces the 3rd temperature, confirms that then the water in the heat storing type electric water heater is used.
Preferably; After acquisition module 42 is used to obtain user's first design temperature; First heating module 44 is used for the water of heat storing type electric water heater is heated to first design temperature; First judge module 46 comprises: second judges submodule 466, is used for judging whether the water of heat storing type electric water heater is reducing the 4th temperature than first design temperature; Second confirms submodule 468, is used at the water of confirming the heat storing type electric water heater when reducing the 4th temperature than first design temperature, confirms that then the water in the heat storing type electric water heater is used.
The present invention also provides a kind of heat storing type electric water heater.This heat storing type electric water heater comprises the temperature control equipment of heat storing type electric water heater of the present invention.
From above description, can find out that the present invention has realized the waste of reduction electric power resource, the purpose of energy-conserving and environment-protective.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. the temperature-controlled process of a heat storing type electric water heater is characterized in that comprising:
Obtain user's first design temperature;
Water in the said heat storing type electric water heater is heated to said first design temperature;
Judge whether the water in the said heat storing type electric water heater is used; And
When the water in confirming said heat storing type electric water heater was not used, the holding temperature of controlling said heat storing type electric water heater was second temperature, and wherein, said second temperature is less than said first design temperature.
2. the temperature-controlled process of heat storing type electric water heater according to claim 1 is characterized in that, judges whether water in the said heat storing type electric water heater is used to comprise:
Judge whether the water in the said heat storing type electric water heater is used in the very first time,
Wherein, when the water in confirming said heat storing type electric water heater is not used, confirm that then the water in the said heat storing type electric water heater is not used in the very first time.
3. the temperature-controlled process of heat storing type electric water heater according to claim 2 is characterized in that, when the water in confirming said heat storing type electric water heater was used in the very first time, also comprises:
When the water in said heat storing type electric water heater no longer is used, the water in the said heat storing type electric water heater is continued to be heated to said first design temperature;
Judge whether the water in the said heat storing type electric water heater was used in second time, wherein, said second time is less than the said very first time; And
When the water in confirming said heat storing type electric water heater is not used, confirm that then the water in the said heat storing type electric water heater is not used in second time.
4. the temperature-controlled process of heat storing type electric water heater according to claim 1 is characterized in that, adopts following method to judge whether the water in the said heat storing type electric water heater is used:
Judge whether the water in the said heat storing type electric water heater reduces the 3rd temperature at said first design temperature of the 3rd time internal ratio; And
When the water in confirming said heat storing type electric water heater reduces said the 3rd temperature at said first design temperature of said the 3rd time internal ratio, confirm that then the water in the said heat storing type electric water heater is used.
5. the temperature-controlled process of heat storing type electric water heater according to claim 1 is characterized in that, adopts following method to judge whether the water in the said heat storing type electric water heater is used:
Judge whether the water in the said heat storing type electric water heater reduces the 4th temperature than said first design temperature; And
When the water in confirming said heat storing type electric water heater reduces said the 4th temperature than said first design temperature, confirm that then the water in the said heat storing type electric water heater is used.
6. the temperature-controlled process of heat storing type electric water heater according to claim 1 is characterized in that, adopts flowmeter to judge whether the water in the said heat storing type electric water heater is used.
7. the temperature control equipment of a heat storing type electric water heater is characterized in that comprising:
Acquisition module is used to obtain user's first design temperature;
First heating module is used for the water of said heat storing type electric water heater is heated to said first design temperature;
First judge module is used for judging whether the water of said heat storing type electric water heater is used; And
Control module is used for when the water of confirming said heat storing type electric water heater is not used, and the holding temperature of controlling said heat storing type electric water heater is said second temperature, and wherein, said second temperature is less than said first design temperature.
8. the temperature control equipment of heat storing type electric water heater according to claim 7; It is characterized in that; Said first judge module is used for also judging whether the water of said heat storing type electric water heater is used in the very first time; Wherein, when the water in confirming said heat storing type electric water heater is not used, confirm that then the water in the said heat storing type electric water heater is not used in the very first time.
9. the temperature control equipment of heat storing type electric water heater according to claim 8; It is characterized in that; Said first heating module also is used for when the water of confirming said heat storing type electric water heater was used in the said very first time; After water in said heat storing type electric water heater no longer is used, the water in the said heat storing type electric water heater is continued to be heated to said first design temperature, said first judge module is used for also judging whether the water of said heat storing type electric water heater is used in second time; Wherein, Said second time when water in confirming said heat storing type electric water heater is not used, confirms then that the water in the said heat storing type electric water heater is not used less than the said very first time in second time.
10. the temperature control equipment of heat storing type electric water heater according to claim 9 is characterized in that, said first judge module comprises:
First judges submodule, is used for judging whether the water of said heat storing type electric water heater reduces said the 3rd temperature at said first design temperature of said the 3rd time internal ratio; And
First confirms submodule, is used at the water of confirming said heat storing type electric water heater when said first design temperature of said the 3rd time internal ratio reduces said the 3rd temperature, confirming that then the water in the said heat storing type electric water heater is used.
11. the temperature control equipment of heat storing type electric water heater according to claim 7 is characterized in that, said first judge module comprises:
Second judges submodule, is used for judging whether the water of said heat storing type electric water heater reduces said the 4th temperature than said first design temperature; And
Second confirms submodule, is used for when the water of confirming said heat storing type electric water heater reduces said the 4th temperature than said first design temperature, confirming that then the water in the said heat storing type electric water heater is used.
12. a heat storing type electric water heater is characterized in that, comprises the temperature control equipment of each described heat storing type electric water heater in the claim 7 to 11.
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| CN105650886A (en) * | 2016-03-23 | 2016-06-08 | 佛山市顺德万和电气配件有限公司 | Water storage type water heater as well as control method thereof and control system thereof |
| CN105650886B (en) * | 2016-03-23 | 2019-01-04 | 广东万和热能科技有限公司 | Storage-type electric water heater and its control method and control system |
| CN108006986A (en) * | 2016-12-29 | 2018-05-08 | 芜湖美的厨卫电器制造有限公司 | Water heater and water heater control method |
| CN108006986B (en) * | 2016-12-29 | 2021-02-26 | 芜湖美的厨卫电器制造有限公司 | Water heater and water heater control method |
| CN108050707A (en) * | 2017-12-12 | 2018-05-18 | 成都前锋电子有限责任公司 | A kind of gas heater control method and control device with refrigerant bath pattern |
| CN108061383A (en) * | 2017-12-12 | 2018-05-22 | 成都前锋电子有限责任公司 | A kind of gas heater control method and control device for automatically adjusting temperature |
| CN110873456A (en) * | 2018-08-31 | 2020-03-10 | 芜湖美的厨卫电器制造有限公司 | Water heater and control method thereof |
| CN112066559A (en) * | 2020-08-04 | 2020-12-11 | 王焱 | Energy-saving control method for electric water heater |
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