CN112781243B - Automatic water-consumption reservation method for water heater - Google Patents
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 149
- 238000000034 method Methods 0.000 title claims abstract description 46
- 238000010438 heat treatment Methods 0.000 claims abstract description 80
- 239000008236 heating water Substances 0.000 claims abstract description 5
- 230000033001 locomotion Effects 0.000 claims description 14
- 238000004080 punching Methods 0.000 claims description 9
- 238000004364 calculation method Methods 0.000 claims description 5
- 238000003287 bathing Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 230000036760 body temperature Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S50/00—Arrangements for controlling solar heat collectors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
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Abstract
The invention discloses an automatic water-using reservation method for a water heater, which comprises the following steps: calculating the time Te required by the user to arrive; calculating the heating time Tc required by the water heater to finish heating water; and determining the time for turning on the water heater according to the Te and the Tc. The automatic water-consumption reserving method for the water heater can meet the sudden water-consumption requirement of any user by dynamically judging the departure time of the user, estimating the arrival time of the user and controlling the heating of the water heater, and can avoid the problems that no hot water is available in the sudden situation caused by mechanically setting the water-consumption reserving time and the energy is wasted because the user does not return on time after the water is regularly heated.
Description
Technical Field
The invention belongs to the technical field of hot water making equipment, and particularly relates to an automatic water utilization reservation method for a water heater.
Background
Some water heaters can realize intelligent control such as reservation bathing at present. However, at present, the water use reservation method is mainly based on statistics of the water use habits of users, and meets the regular water use requirements of the users, or mechanically sets the heating time, and heats water according to the set time.
Both the two water utilization reservation modes can not completely meet the actual requirements of users, such as forgetting to turn on the water heater before movement; such as hiking to go home in advance; such as the return of business; slipping to the ground in the following rainy days; such as sudden rain; such as getting up to the home and getting on snow. Such sudden bathing needs are also common in life. The existing water-using reservation mode does not prepare hot water in advance, and needs a long time to wait for heating. Or the user can heat the water too long in advance, and the water is not heated at home according to the conventional time, so that the water is heated repeatedly, and energy is wasted.
Disclosure of Invention
The invention provides an automatic water-consumption reserving method of a water heater, aiming at the technical problem that when the reserved water of the existing water heater is required by irregular water consumption, the reserved water of the existing water heater cannot be predicted and can be intelligently started to meet the requirement of a user, and the problems can be solved.
In order to realize the purpose of the invention, the invention is realized by adopting the following technical scheme:
an automatic water-reserving method for a water heater comprises the following steps:
calculating the time Te required by the user to arrive;
calculating the heating time Tc required by the water heater to finish heating water;
and determining the time for turning on the water heater according to the Te and the Tc.
Further, the calculation method of the time Te required for the user to arrive includes:
judging the departure of a user;
and when the user starts, positioning the user, and acquiring the distance L between the user and the water heater and the traveling speed V, Te = L/V of the user.
Further, the method also comprises a step of correcting the time Te required by the user, which comprises the following steps:
Te= L/V-Ts；
where Ts is the estimation error.
Further, the heating time Tc is calculated by:
detecting the current water temperature Ws;
the set target temperature We, the heating power and the water heater volume R are obtained, and the heating time Tc is calculated according to the law of conservation of energy.
Further, the method for determining the time for starting the water heater according to the Te and the Tc comprises the following steps:
and when Tq is less than Ts, immediately starting the water heater, wherein Tq = Te-Tc, and Ts is an estimation error.
Further, the method also comprises a step of adjusting the heating power of the water heater, and comprises the following steps:
calculating the heating time Tc1 corresponding to the maximum heating power P1;
when Te-Tc1 is less than or equal to Ts, the water heater is started immediately, and the water heater is controlled to heat according to the maximum power;
when Te-Tc1 is more than Ts, calculating the heating time Tc0 corresponding to the minimum power P0;
if Te-Tc0 is less than Ts, calculating theoretical heating time Tc '= Te-Ts, calculating theoretical heating power according to the theoretical heating time Tc', immediately starting the water heater, and controlling the water heater to heat according to the theoretical heating power;
or working power is found out from all adjustable powers of the heater, the working power meets the closest theoretical heating power, the water heater is immediately started, and the water heater is controlled to heat according to the working power;
if Te-Tc0 is more than Ts, waiting for the water heater to be started when Te-Tc0= Ts, and controlling the water heater to heat according to the minimum power P0.
Further, the method for judging departure of the user comprises the following steps:
the method comprises the steps of obtaining physiological parameter information of a user, collected by intelligent wearable equipment or an intelligent mobile terminal worn by the user, judging the exercise and fitness state of the user according to the physiological parameter information of the user, and judging that the user starts to move when the exercise and fitness state is finished.
Further, the obtained physiological parameter information comprises any combination of pulse, body surface moisture and heart rate, and the method for judging the exercise and fitness state of the user comprises the following steps:
when the pulse is larger than A, or the body surface humidity is larger than B, or the heart rate is larger than C, judging that the user is in a motion and fitness state;
when the pulse is less than A1, or the body surface humidity is less than B1, or the heart rate is less than C1, judging that the user is in the exercise and fitness state;
wherein A, B, C, A1, B1 and C1 are set parameters, A1 is more than A, B1 is more than B, and C1 is more than C.
Further, the method for judging departure of the user further comprises the following steps:
the method comprises the steps of obtaining application program use information of the intelligent mobile terminal, wherein the application program use information at least comprises any combination of the card punching information of an office application program, the starting information of a fitness application program and the setting information of a navigation application program, and judging that a user starts to start when the card punching information of the office application program is off duty card punching, or the fitness application program displays the end of movement, or the navigation application program is started.
Further, before calculating the time required by the user, the method also comprises the step of confirming whether the user needs hot water.
Compared with the prior art, the invention has the advantages and positive effects that:
the automatic water-consumption reserving method for the water heater can meet the sudden water-consumption requirement of any user by dynamically judging the departure time of the user, estimating the arrival time of the user and controlling the heating of the water heater, and can avoid the problems that no hot water is available in the sudden situation caused by mechanically setting the water-consumption reserving time and the energy is wasted because the user does not return on time after the water is regularly heated.
Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when taken in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a flow chart of an embodiment of a method for automatically reserving water for a water heater according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and examples.
Example one
The water heater is a device capable of heating water so as to meet the hot water requirements of users for bathing and the like. The existing water heaters are various, and include an electric water heater heated by an electric heating pipe, a solar water heater heated by solar energy, a heat pump water heater heated by natural energy such as air energy and the like according to energy sources, a multi-heating source water heater with any two or three energy sources coupled, and a gas water heater heated by gas combustion.
In order to meet the higher-end requirements of users, save the heating waiting time and achieve the energy-saving effect, many water heaters have the function of heating in an appointment mode at present. This function preheats in advance through water heater control panel or through mobile terminal network setting time based on artifical manual, carries out the accurate control of actual heating time through microcontroller and RTC. Because people's life rhythm is fast now, forget the setting very easily, loaded down with trivial details operation greatly reduced the experience of reservation function moreover and felt. In addition, some water heaters count the hot water using time of the user according to the using habits of the user based on big data, and intelligently reserve and heat in advance. This kind of mode accords with and uses under the more circumstances, but, when the user has the irregular water demand, will unable in time to make hot water and satisfy user's demand.
Based on this, the embodiment provides an automatic water-reserving and water-consuming method for a water heater, which can return to the self-positioning of a user and realize intelligent water-reserving and water-heating based on the estimation of the arrival time of the user. Specifically, in the present embodiment, the reservation control of the electric water heater is taken as an example for explanation, but the method is not limited to the control of the electric water heater, and may be a zero-cold-water heating cycle control of a heat pump water heater and a gas water heater, a combination of the above-mentioned various energy forms, and the like. As shown in fig. 1, the method of the present embodiment includes the following steps:
calculating the time Te required by the user to arrive; the time required for the user to arrive refers to the time required for the user to arrive at the residence of the water heater from the current position.
Calculating the heating time Tc required by the water heater to finish heating water;
and determining the time for turning on the water heater according to Te and Tc. I.e. determining that the water heater is on immediately or at intervals according to Te and Tc.
The time required by the user to arrive can be obtained by calling navigation software started by the user, and when the navigation software is not started by the user, the time can be obtained by performing positioning calculation on the user.
The calculation method of the time Te required for the user to arrive in the embodiment is as follows:
judging a user starting state;
the user departure state comprises departure and non-departure of the user, and the user departure refers to the departure time of the user from any place except the residence where the water heater is located and returning to the residence. Because the water heater can be used for bathing only when the user arrives at the residence where the water heater is located, the method can directly return to the actual position of the user without being limited by big data statistics or preset mechanically by the user, so that the control is more accurate, and the requirement of the user on using hot water under any unplanned condition can be met.
And when the user starts, positioning the user, and acquiring the distance L between the user and the water heater and the traveling speed V, Te = L/V of the user.
The location of the water heater itself can also be obtained by location or can be tied to a geographical location at the time of installation.
Further comprising the step of correcting the time Te required by the user, comprising:
te = L/V-Ts; where Ts is the estimation error.
Ts is derived from the departure time of the user, and the actual arrival time of the user at different departure places is recorded in a classified manner in sequence, so that the actual arrival average speed is obtained. The system can analyze the average speed by big data, so as to distinguish the basic average speed during exercise and the average speed of going home from work, and even can distinguish more detailed subclass division of running exercise home-returning average speed, riding home-returning average speed, bus home-returning average speed, pedestrian home-returning average speed, driving home-returning average speed and the like. And for activities such as yoga and the like which move home to home, the exercise time t with high probability can be summarized and learned, and the time for starting the yoga exercise software is defined as the starting time.
The calculation method of the heating time Tc in this embodiment is as follows:
detecting the current water temperature Ws;
the set target temperature We, the heating power and the water heater volume R are obtained, and the heating time Tc is calculated according to the law of conservation of energy.
The method for determining the time for starting the water heater according to Te and Tc comprises the following steps:
and when Tq is less than Ts, immediately starting the water heater, wherein Tq = Te-Tc, and Ts is an estimation error. That is, when the sum of the heating time Tc and the estimation error Ts is greater than the time Te required for the user to arrive, the water heater needs to be immediately turned on to shorten the time for the user to wait for hot water.
In order to meet the requirement of a user on heating time, the heating power of some water heaters is adjustable, the heating time can be shortened when the high power is started, the requirement of the user for water is met, but the high power can generate large current, and the service life of an electric control device is shortened. According to the scheme, the proper heating power can be selected according to the time Te required by the user, the user is not required to wait for water for a long time, and the condition that high-power heating is not started as much as possible is ensured, so that the service life of the water heater is prolonged.
The step of adjusting the heating power of the water heater of the embodiment comprises the following steps:
calculating the heating time Tc1 corresponding to the maximum heating power P1;
when Te-Tc1 is less than or equal to Ts, the water heater is started immediately, and the water heater is controlled to heat according to the maximum power; the situation shows that the water demand of the user is urgent, even if the heating time required by the work according to the maximum power P1 can not meet the use time demand of the user timely, and in order to shorten the waiting time of the user as much as possible, the water heater is immediately started to control the water heater to heat according to the maximum power.
When Te-Tc1 is more than Ts, calculating the heating time Tc0 corresponding to the heating power of the minimum power P0; the situation shows that the heating time required by the maximum power P1 to work is enough to meet the time requirement of a user, and since the time is sufficient, in order to avoid the problem that the service life of an electric control device is reduced because large current is generated when high power is started, the method searches for proper heating power under the situation, and not only can ensure that water is heated within the time Te required by the user, but also can avoid the maximum heating power from being started for heating.
And (3) calculating the time corresponding to heating according to the minimum heating power, and if the time can still be used for the user to reach the required time Te to finish heating and meet the water demand of the user, heating according to the minimum power. Heating at the minimum power is divided into two cases, wherein one case is that the user just completes heating within the required time Te, then the water heater is immediately started, and the water heater is controlled to heat at the minimum power P0.
In another case, the time Te required by the user to arrive is more than the sum of the required heating time and the estimation error Ts, namely Te-Tc0 is more than Ts, the water heater is started when Te-Tc0= Ts, and the water heater is controlled to heat according to the minimum power P0.
If Te-Tc0 < Ts, this situation requires the user to wait for the application minimum power heating time to be too long, at which point it is necessary to find a heating power between maximum and minimum power, while satisfying neither waiting nor turning on the maximum heating power. Calculating theoretical heating time Tc '= Te-Ts, calculating theoretical heating power according to the theoretical heating time Tc', immediately starting the water heater, and controlling the water heater to heat according to the theoretical heating power; the control mode is suitable for the condition that the water heater can be adjusted to any power between the maximum power and the minimum power. Heating according to the theoretical heating power, the heating time just meets the requirement of a user, and meanwhile, the heating device works at non-maximum power.
Under many conditions, the working power of the water heater is not adjustable at will, and a limited few powers between the maximum power and the minimum power can be selected, at this time, a proper working power needs to be found out from all adjustable powers of the heater, the working power should meet the closest theoretical heating power, the water heater is immediately started, and the water heater is controlled to heat according to the working power. Heating according to the working power, wherein the heating time is closer to the time required by the user to reach, and the heating is operated at non-maximum power.
The method for judging the user departure state in the embodiment comprises the following steps:
the method comprises the steps of obtaining physiological parameter information of a user, collected by intelligent wearable equipment or an intelligent mobile terminal worn by the user, judging the exercise and fitness state of the user according to the physiological parameter information of the user, and judging that the user starts to move when the exercise and fitness state is finished.
The information can be directly acquired from the intelligent wearable device or the intelligent mobile terminal worn by the user through the wireless network, and the intelligent wearable device or the intelligent mobile terminal worn by the user can upload the information to the server and acquire the information from the server through the water heater.
The wearable device has a sensor for information acquisition, which may be a motion bracelet, a pulse sensor, a body temperature sensor, a motion sensor of a mobile phone, and the like. The intelligent mobile terminal is a mobile phone, and an application program installed on the mobile phone is provided with a basic operation interface and a non-inductive experience interface. The basic operation interface comprises a switch module, a temperature display module, a temperature adjusting module and a time reservation module. The modules are all conventional operation modules. The non-sensory operation interface comprises various scene selections: sports scenarios, overtime scenarios, scenarios to be developed. The modules are software modules.
The obtained physiological parameter information comprises any combination of pulse, body surface humidity and heart rate, and when a person is in different motion states, the physiological parameters of the person are different, so that the motion and fitness state of the user can be judged according to the obtained physiological parameters, and the motion and fitness state judgment method of the user in the embodiment comprises the following steps:
when the pulse is larger than A, or the body surface humidity is larger than B, or the heart rate is larger than C, judging that the user is in a motion and fitness state;
when the pulse is less than A1, or the body surface humidity is less than B1, or the heart rate is less than C1, judging that the user is in the exercise and fitness state;
wherein A, B, C, A1, B1 and C1 are set parameters, A1 is more than A, B1 is more than B, and C1 is more than C.
Of course, to protect the privacy of the user, whether the physiological parameter information can be acquired may be set by the user. When set to be available, the water heater can automatically collect the motion information of the user or can be obtained through motion software started during motion.
When the body-building exercise state of the user is judged, the fact that the user has the water demand is inferred, a request of whether to start the water heater or not can be pushed to the user, and after the user agrees, the water heater is started to heat water to a preset temperature.
The method for judging the user departure state further comprises the following steps:
the method comprises the steps of obtaining application program use information of the intelligent mobile terminal, wherein the application program use information at least comprises any combination of the card punching information of an office application program, the starting information of a fitness application program and the setting information of a navigation application program, when the card punching information of the office application program is off duty card punching, or the fitness application program displays the end of exercise, or the navigation application program is started, judging that a user starts to go out, and under the general condition, when the situation is ended, the user can go home and has a bathing requirement. The more detailed judgment can judge the destination, the route and the like of the user through the navigation application program of the user, and ensure that the user really starts to return home.
The number of days between the users using hot water and the specific time point of using hot water can be summarized by collecting the time point and the date of actually using hot water by the users. And (4) combining the user departure time judged by the system to judge whether the water heater is started for further intelligent pre-judgment.
When the regular time point is coincident with the theoretical pre-judging time point, the step of sending information confirmation to a user is omitted, and the water heater is automatically started to heat.
The above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (9)
1. An automatic water-reserving method for a water heater is characterized by comprising the following steps:
calculating the time Te required by the user to arrive;
calculating the heating time Tc required by the water heater to finish heating water;
determining the time for starting the water heater according to the Te and the Tc;
the method also comprises the step of adjusting the heating power of the water heater, and comprises the following steps:
calculating the heating time Tc1 corresponding to the maximum heating power P1;
when Te-Tc1 is not more than Ts, immediately starting the water heater, and controlling the water heater to heat according to the maximum power;
when Te-Tc1 is more than Ts, calculating the heating time Tc0 corresponding to the heating power of the minimum power P0;
if Te-Tc0 is less than Ts, calculating theoretical heating time Tc '= Te-Ts, calculating theoretical heating power according to the theoretical heating time Tc', immediately starting the water heater, and controlling the water heater to heat according to the theoretical heating power;
or working power is found out from all adjustable powers of the heater, the working power meets the closest theoretical heating power, the water heater is immediately started, and the water heater is controlled to heat according to the working power;
if Te-Tc0 is more than Ts, waiting for the water heater to be started when Te-Tc0= Ts, and controlling the water heater to heat according to the minimum power P0.
2. The automatic water-reserving method for the water heater according to claim 1, wherein the calculation method of the required time Te for the user to arrive is as follows:
judging a user starting state;
and when the user starts, positioning the user, and acquiring the distance L between the user and the water heater and the traveling speed V, Te = L/V of the user.
3. The automatic water-reserving method for water heater according to claim 2, further comprising the step of correcting the time Te required for the user to arrive, comprising:
Te= L/V-Ts；
where Ts is the estimation error.
4. The automatic water-reserving method for the water heater according to claim 1, wherein the heating time Tc is calculated by:
detecting the current water temperature Ws;
the set target temperature We, the heating power and the water heater volume R are obtained, and the heating time Tc is calculated according to the law of conservation of energy.
5. The method for automatically reserving water for the water heater according to claim 1, wherein the method for determining the time for starting the water heater according to the Te and the Tc comprises the following steps:
and when Tq is less than Ts, immediately starting the water heater, wherein Tq = Te-Tc, and Ts is an estimation error.
6. The automatic water-reserving method for the water heater according to claim 2, wherein the method for judging the departure state of the user comprises the following steps:
the method comprises the steps of obtaining physiological parameter information of a user, collected by intelligent wearable equipment or an intelligent mobile terminal worn by the user, judging the exercise and fitness state of the user according to the physiological parameter information of the user, and judging that the user starts to move when the exercise and fitness state is finished.
7. The automatic water-reserving method for the water heater according to claim 6, wherein the acquired physiological parameter information includes any combination of pulse, body surface moisture and heart rate, and the exercise and fitness state judging method for the user is as follows:
when the pulse is larger than A, or the body surface humidity is larger than B, or the heart rate is larger than C, judging that the user is in a motion and fitness state;
when the pulse is less than A1, or the body surface humidity is less than B1, or the heart rate is less than C1, judging that the user is in the exercise and fitness state;
wherein A, B, C, A1, B1 and C1 are set parameters, A1 is more than A, B1 is more than B, and C1 is more than C.
8. The automatic water-reserving method for water heater according to claim 2, wherein the judgment of the user's departure state
The method further comprises the following steps:
the method comprises the steps of obtaining application program use information of the intelligent mobile terminal, wherein the application program use information at least comprises any combination of the card punching information of an office application program, the starting information of a fitness application program and the setting information of a navigation application program, and judging that a user starts to start when the card punching information of the office application program is off duty card punching, or the fitness application program displays the end of movement, or the navigation application program is started.
9. The automatic water-reserving method for water heater according to any one of claims 1-6, further comprising the step of confirming whether the user needs hot water before the user reaches the required time.
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| CN113175757A (en) * | 2021-05-27 | 2021-07-27 | 吴祖茂 | Intelligent household system and remote control method thereof |
| CN113639468B (en) * | 2021-07-19 | 2023-05-26 | 青岛海尔空调电子有限公司 | Method and device for controlling water heater and water heater |
| CN113566439A (en) * | 2021-07-30 | 2021-10-29 | 尚阳储能(北京)科技有限公司 | Temperature adjusting method and equipment for hotel water |
| CN114209208A (en) * | 2021-11-03 | 2022-03-22 | 广东职业技术学院 | Control method, equipment and system of intelligent electric heating water dispenser |
| CN115307192B (en) * | 2022-08-05 | 2023-06-16 | 合肥中南光电有限公司 | Household temperature control system based on solar photovoltaic photo-thermal heating |
| CN115839553B (en) * | 2022-10-24 | 2024-07-05 | 珠海格力电器股份有限公司 | Water heater heating moment determining method, electronic equipment, storage medium and water heater |
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| JP2010210155A (en) * | 2009-03-11 | 2010-09-24 | Chugoku Electric Power Co Inc:The | System and method for accepting failure application of electric water heater |
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| CN110207403A (en) * | 2019-06-05 | 2019-09-06 | 广东信合达智能科技有限公司 | A kind of electric heater intelligent control method and control circuit board |
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