CN114183930A - Control method and control device of gas water heater - Google Patents
Control method and control device of gas water heater Download PDFInfo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
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Abstract
The invention discloses a control method and a control device of a gas water heater, wherein the control method comprises the following steps: starting a circulation function of the gas water heater, and acquiring a first temperature of a water point; recording a first moment of starting the circulation function; acquiring a second temperature of the water inlet end of the gas water heater, and recording a second moment when the temperature of the water inlet end of the gas water heater reaches the first temperature; obtaining the single-point cycle time from the water outlet end of the gas water heater to the water consumption point according to the first time, the second time and the total complete cycle time; and obtaining the cycle duration of the gas water heater according to a plurality of single-point cycle durations of a plurality of water consumption points. According to the arrangement, the cycle duration of the gas water heater is determined according to the single-point cycle duration of each water outlet point, and the cycle duration of the gas water heater can be controlled. Therefore, the water heater can ensure that a user can be heated when using water, the cycle time of the gas water heater is shortened, and energy can be saved.
Description
Technical Field
The invention relates to the technical field of gas water heaters, in particular to a control method and a control device of a gas water heater.
Background
At present, when a user needs to use hot water in the process of using a common gas water heater, the user often needs to put cold water for a period of time first to obtain the hot water, and the cold water usually flows into a sewer directly by the user, so that the waste of water resources is caused. In addition, the user may have too long time waiting for hot water, which may greatly affect the user experience.
In the prior art, users can use hot water immediately, so that many users select a zero-cold-water gas water heater. The zero-cold-water gas water heater is characterized in that a special circulating pipeline is adopted, and a circulating function is started to continuously and circularly heat water in the pipeline, so that the condition that the water is heated when being opened is ensured.
Because the water outlet points of each user home are different and the pipeline arrangement is different, the cycle time of the gas water heater cannot be controlled. Therefore, in order to ensure that a user can start and heat when using water, the common zero-cold-water gas water heater prolongs the cycle time, so that the problem of wasting electricity and gas is caused by the overlong cycle time.
Disclosure of Invention
The technical problem to be solved by the embodiment of the invention is that the existing zero-cold-water gas water heater wastes electricity and gas due to overlong cycle time, so that a control method and a control device of the gas water heater are provided.
According to a first aspect, an embodiment of the invention provides a control method of a gas water heater, which includes: starting a circulation function of the gas water heater, and acquiring a first temperature of a water point; recording a first moment of starting the circulation function; acquiring a second temperature of the water inlet end of the gas water heater, and recording a second moment when the second temperature of the water inlet end of the gas water heater reaches the first temperature; obtaining the single-point cycle time from the water outlet end of the gas water heater to the water consumption point according to the first time, the second time and the total complete cycle time; and obtaining the cycle duration of the gas water heater according to a plurality of single-point cycle durations of a plurality of water consumption points.
Optionally, the obtaining a single-point cycle duration from the water outlet end of the gas water heater to the water consumption point according to the first time, the second time and a total duration of a complete cycle includes: subtracting the first moment from the second moment to obtain the residual cycle time for the water of the water consumption point to circulate to the water inlet end of the gas water heater; and subtracting the residual cycle time length from the complete cycle time length to obtain the single-point cycle time length.
Optionally, the obtaining the cycle duration of the gas water heater according to a plurality of single-point cycle durations of a plurality of water consumption points includes: and selecting the longest single-point cycle time length from the multiple single-point cycle time lengths of the multiple water consumption points, and taking the selected longest single-point cycle time length as the cycle time length of the gas water heater.
Optionally, after selecting the longest single-point cycle duration from the multiple single-point cycle durations of the multiple water consumption points, the method further includes: obtaining the use frequency of the longest single-point cycle duration; and when the use frequency of the longest single-point cycle time length is smaller than a preset frequency threshold, deleting the longest single-point cycle time length, and reselecting the longest single-point cycle time length from a plurality of single-point cycle time lengths of the remaining water consumption points.
Optionally, the control method further includes: and re-acquiring the total time of the complete cycle of the gas water heater, and updating the total time of the complete cycle.
Optionally, the control method further includes: when the gas water heater is started for the first time, acquiring the current temperature of any water consumption point of the gas water heater; judging whether the current temperature is lower than a preset temperature or not; and when the current temperature is lower than the preset temperature, starting the circulation function of the gas water heater, and acquiring the total time of the complete circulation.
According to a second aspect, an embodiment of the present invention further provides a control device for a gas water heater, the control device including: the first acquisition module is used for starting the circulation function of the gas water heater and acquiring a first temperature of a water point; the recording module is used for recording the first moment of starting the circulation function; the second acquisition module is used for acquiring a second temperature of the water inlet end of the gas water heater and recording a second moment when the second temperature of the water inlet end of the gas water heater reaches the first temperature; the first processing module is used for obtaining the single-point cycle time from the water outlet end of the gas water heater to the water consumption point according to the first time, the second time and the total complete cycle time; and the second processing module is used for obtaining the cycle duration of the gas water heater according to a plurality of single-point cycle durations of a plurality of water consumption points.
According to a third aspect, an embodiment of the present invention further provides an electronic device, including: the control method comprises a memory and a processor, wherein the memory and the processor are connected with each other in a communication mode, computer instructions are stored in the memory, and the processor executes the computer instructions so as to execute the control method of any one of the above embodiments.
According to a fourth aspect, an embodiment of the present invention further provides a computer-readable storage medium, which stores computer instructions for causing the computer to execute the control method according to any one of the above embodiments.
The embodiment of the invention has the following beneficial effects:
1. the embodiment of the invention provides a control method of a gas water heater, which comprises the following steps: starting a circulation function of the gas water heater, and acquiring a first temperature of a water point; recording a first moment of starting the circulation function; acquiring a second temperature of the water inlet end of the gas water heater, and recording a second moment when the temperature of the water inlet end of the gas water heater reaches the first temperature; obtaining the single-point cycle time from the water outlet end of the gas water heater to the water consumption point according to the first time, the second time and the total complete cycle time; and obtaining the cycle duration of the gas water heater according to a plurality of single-point cycle durations of a plurality of water consumption points.
By the arrangement, even if the water outlet points of each user home are different and the pipeline arrangement is different, the cycle time of the gas water heater is determined according to the single-point cycle time of each water outlet point after the single-point cycle time of each water outlet point is obtained, and the cycle time of the gas water heater can be controlled. Therefore, the water heater can ensure that a user can be heated when using water, the cycle time of the gas water heater is shortened, and energy can be saved.
2. According to the technical scheme, the longest single-point circulation time length is selected from the multiple single-point circulation time lengths of the multiple water using points, and the selected longest single-point circulation time length is used as the circulation time length of the gas water heater, so that hot water can be circulated regularly in the hot water circulation process by taking the hot water supply time required by the water outlet point farthest from the gas water heater as the circulation interval time, and therefore all the water outlet points in a house can be guaranteed to be capable of generating hot water instantly when in use.
3. According to the technical scheme of re-acquiring and updating the total complete cycle time of the gas water heater, when a user adds a new water outlet point in the using process, the total complete cycle time can be updated, and then the updated longest single-point cycle time can be acquired, so that hot water can be provided for the newly added water outlet point in time.
4. The embodiment of the invention obtains the use frequency of the longest single-point cycle duration; when the use frequency of the longest single-point cycle time is smaller than a preset frequency threshold, deleting the longest single-point cycle time, and reselecting the longest single-point cycle time from the multiple single-point cycle times of the remaining multiple water consumption points. Similarly, when the user also rarely uses the secondary distal exit point, the system also rejects the secondary distal exit point, and so on, thereby further saving energy.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic diagram of a control method of a gas water heater of an embodiment of the present invention;
fig. 2 is an overall schematic view of a gas water heater and a water supply line of an embodiment of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
At present, when a user needs to use hot water in the process of using a common gas water heater, the user often needs to put cold water for a period of time first to obtain the hot water, and the cold water usually flows into a sewer directly by the user, so that the waste of water resources is caused. In addition, the user may have too long time waiting for hot water, which may greatly affect the user experience. In the prior art, users can use hot water immediately, so that many users select a zero-cold-water gas water heater. The zero-cold-water gas water heater is characterized in that a special circulating pipeline is adopted, and a circulating function is started to continuously and circularly heat water in the pipeline, so that the condition that the water is heated when being opened is ensured. Because the water outlet points of each user home are different and the pipeline arrangement is different, the cycle time of the gas water heater cannot be controlled. Therefore, in order to ensure that a user can start and heat when using water, the common zero-cold-water gas water heater prolongs the cycle time, so that the problem of wasting electricity and gas is caused by the overlong cycle time.
The technical problem to be solved by the embodiment of the invention is that the existing zero-cold-water gas water heater wastes electricity and gas due to overlong cycle time, so that a control method and a control device of the gas water heater are provided.
Example 1
As shown in fig. 1 and 2, the present invention provides a control method of a gas water heater, the control method comprising:
s1, starting a circulation function of the gas water heater, and acquiring a first temperature of a water point;
s2, recording a first moment for starting the circulation function;
s3, acquiring a second temperature of the water inlet end of the gas water heater, and recording a second moment when the temperature of the water inlet end of the gas water heater reaches the first temperature;
specifically, in the embodiment of the invention, the gas water heater is generally circularly laid in a room through a water supply pipeline, the water outlet end of the gas water heater is connected with one end of the water supply pipeline, and the water inlet end of the gas water heater is connected with the other end of the water supply pipeline. And a plurality of water outlet points are usually arranged in the room, each water outlet point is connected with a circulating pipeline, and the lengths of water supply pipelines between each water outlet point and the gas water heater are different. As shown in fig. 2, the direction of the arrows in the figure represents the direction of circulation of the water flow in the water supply line.
After the circulation function of the gas water heater is started, the current water outlet temperature of each water outlet point can be obtained, and the current water outlet temperature is the first temperature t. The point in time when the circulation function is turned on is then recorded, this point in time being the first moment in time. And meanwhile, the water temperature at the water inlet end of the gas water heater in the water supply pipeline can be obtained, and in the embodiment of the invention, the water temperature at the water inlet end of the gas water heater is called as a second temperature t 1.
When the water temperature in the pipeline is detected to be changed from t1 to t by the water inlet end of the gas water heater, the fact that hot water at the water outlet point circulates to the water inlet end is indicated, then a second moment when the water temperature in the pipeline is changed from t1 to t is recorded, and the time from the first moment to the second moment is called the water return time length. Namely, the second time is used for subtracting the first time to obtain the residual cycle time for the water of the water consumption point to circulate to the water inlet end of the gas water heater, and the single-point cycle time is obtained by subtracting the residual cycle time from the complete cycle time.
S4, obtaining the single-point cycle time from the water outlet end of the gas water heater to the water consumption point according to the first time, the second time and the total complete cycle time;
and S5, obtaining the cycle duration of the gas water heater according to a plurality of single-point cycle durations of a plurality of water consumption points.
In this step we can obtain the cycle period of the gas water heater completing the whole water flow cycle through the water supply line. For the acquisition method, the cycle duration may be acquired according to the flow rate of the water flow and the length of the pipeline, or the cycle duration may be acquired according to the time length of the sample passing through the pipeline after the sample is placed in the water flow. Of course, the embodiment is only to illustrate the obtaining method, but the obtaining method is not limited to this, and a person skilled in the art may change the method for obtaining the water outlet duration according to the actual situation, and may have the same technical effect.
And then, obtaining the single-point cycle time of the water from the water outlet end of the gas water heater to the water consumption point according to the whole cycle time, namely the cycle period and the water return time in the step. Of course, in this embodiment, the difference between the cycle period and the water return time may be made to obtain the water outlet time of the water flow from the gas water heater to each water outlet point.
And then obtaining the cycle duration of the gas water heater according to a plurality of single-point cycle durations of a plurality of water consumption points. For example, the longest single-point cycle duration may be selected from a plurality of single-point cycle durations of the plurality of water usage points, and the selected longest single-point cycle duration may be used as the cycle duration of the gas water heater. That is, after the single-point cycle duration of each water outlet point is obtained, the maximum value of all the single-point cycle durations can be obtained according to the single-point cycle duration of each water outlet point, and in this embodiment, the maximum value is referred to as the longest single-point cycle duration. And then taking the longest single-point cycle time as the cycle time of the gas water heater. So set up, can be in the hot water circulation in-process to the required hot water time of leading to of the play water point of keeping away from gas heater farthest is cycle interval time, regularly circulates hot water, thereby can guarantee that all play water points in the family can appear hot water immediately when using.
Therefore, even if the water outlet points of each user home are different and the pipeline arrangement is different, the cycle time of the gas water heater can be controlled by determining the cycle time of the gas water heater according to the water outlet time of each water outlet point after the water outlet time of each water outlet point is obtained. Therefore, the water heater can ensure that a user can be heated when using water, the cycle time of the gas water heater is shortened, and energy can be saved.
And, further, in an optional embodiment of the present invention, the control method further comprises:
and S6, acquiring the use frequency of the longest single-point cycle duration. And when the use frequency of the longest single-point cycle time length is smaller than a preset frequency threshold, which indicates that the first water outlet point is not in a frequently-used state, deleting the longest single-point cycle time length, and reselecting the longest single-point cycle time length from a plurality of single-point cycle time lengths of the remaining water using points.
Through the technical scheme, when the user rarely uses the farthest water outlet point, the system can remove the farthest water outlet point without collecting the farthest water outlet point, so that the system can only circulate to the previous water outlet point, namely the next farthest water outlet point, and further energy can be saved. Similarly, when the user also rarely uses the secondary distal exit point, the system also rejects the secondary distal exit point, and so on, thereby further saving energy.
Of course, the working parameters of the first water outlet point are only illustrated in this embodiment, but the present invention is not limited to this embodiment, and those skilled in the art can change the working parameters of the first water outlet point according to actual situations, and can achieve the same technical effects.
In an embodiment of the present invention, the step of determining the "loop length" in the step S5 may further include the following process:
and S7, acquiring the total time of the complete cycle of the gas water heater again, and updating the total time of the complete cycle.
And acquiring the total complete cycle time of the gas water heater for completing water circulation through the water supply pipeline. Then updating the total time of the previous complete cycle;
if the total duration of the acquired complete cycle is the same as the total duration of the previous complete cycle, it indicates that the user does not add a new water outlet point, and therefore the maximum value of the water outlet duration is taken as the cycle duration of the gas water heater. If the total duration of the reacquired complete cycle is different from the previous total duration of the complete cycle, the user is indicated that a new water outlet point is added. Therefore, it is necessary to re-execute steps S1 to S5 to obtain a new single point cycle duration, and the maximum value of the new single point cycle duration is the cycle duration of the gas water heater.
By the arrangement, when a user adds a new water outlet point in the using process, hot water can be provided for the newly added water outlet point in time.
In this embodiment, the control method further includes the steps of:
s8, when the gas water heater is started for the first time, acquiring the current temperature of any water consumption point of the gas water heater; judging whether the current temperature is lower than a preset temperature or not; and when the current temperature is lower than the preset temperature, starting the circulation function of the gas water heater, and acquiring the total time of the complete circulation.
When the gas water heater is started for the first time, acquiring the current temperature of a water consumption point of the gas water heater; judging whether the current temperature of the water consumption point is lower than a preset temperature or not; the preset temperature is the preset temperature for starting circulation of the gas water heater. And if the current temperature of the water consumption point is lower than the preset temperature, which indicates that the water temperature in the pipeline is lower, controlling the gas water heater to perform hot water circulation, and acquiring a circulation period of the gas water heater completing water circulation through a water supply pipeline. So set up, can prevent that the temperature of water in the pipeline is too low, influence the user and use.
Example 2
According to a second aspect, an embodiment of the present invention further provides a control device for a gas water heater, the control device including:
the first acquisition module is used for starting the circulation function of the gas water heater and acquiring a first temperature of a water point; for details, please refer to step S1 of the above embodiment, which is not described herein again.
The recording module is used for recording the first moment of starting the circulation function; for details, please refer to step S2 of the above embodiment, which is not described herein again.
The second acquisition module is used for acquiring a second temperature of the water inlet end of the gas water heater and recording a second moment when the second temperature of the water inlet end of the gas water heater reaches the first temperature; for details, please refer to step S3 of the above embodiment, which is not described herein again.
The first processing module is used for obtaining the single-point cycle time from the water outlet end of the gas water heater to the water consumption point according to the first time, the second time and the total complete cycle time; for details, please refer to step S4 of the above embodiment, which is not described herein again.
And the second processing module is used for obtaining the cycle duration of the gas water heater according to a plurality of single-point cycle durations of a plurality of water consumption points. For details, please refer to step S5 of the above embodiment, which is not described herein again.
By the arrangement, even if the water outlet points of each user home are different and the pipeline arrangement is different, the cycle time of the gas water heater is determined according to the single-point cycle time of each water outlet point after the single-point cycle time of each water outlet point is obtained, and the cycle time of the gas water heater can be controlled. Therefore, the water heater can ensure that a user can be heated when using water, the cycle time of the gas water heater is shortened, and energy can be saved.
Example 3
The embodiment of the invention also provides an electronic device, which may include a processor and a memory, wherein the processor and the memory may be connected by a bus or in other manners, taking bus connection as an example.
The processor may be a Central Processing Unit (CPU). The Processor may also be other general purpose processors, Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Field Programmable Gate Arrays (FPGAs) or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components, or a combination thereof.
The memory, which is a non-transitory computer readable storage medium, may be used to store non-transitory software programs, non-transitory computer executable programs, and modules, such as program instructions/modules corresponding to the control methods in the embodiments of the present invention. The processor executes various functional applications and data processing of the processor by executing non-transitory software programs, instructions and modules stored in the memory, that is, the control method in the above method embodiment is realized.
The memory may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created by the processor, and the like. Further, the memory may include high speed random access memory, and may also include non-transitory memory, such as at least one disk storage device, flash memory device, or other non-transitory solid state storage device. In some embodiments, the memory optionally includes memory located remotely from the processor, and such remote memory may be coupled to the processor via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The one or more modules are stored in the memory and, when executed by the processor, perform any of the control methods of the above embodiments.
The specific details of the electronic device may be understood by referring to the corresponding related descriptions and effects in any of the above embodiments, and are not described herein again.
Example 4
An embodiment of the present invention further provides a computer-readable storage medium, where the computer-readable storage medium stores computer instructions, and the computer instructions are used to enable the computer to execute any one of the control methods.
The storage medium may be a magnetic Disk, an optical Disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a Flash Memory (Flash Memory), a Hard Disk (Hard Disk Drive, abbreviated as HDD), a Solid State Drive (SSD), or the like; the storage medium may also comprise a combination of memories of the kind described above.
Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope defined by the appended claims.
Claims (9)
1. A method of controlling a gas water heater, comprising:
starting a circulation function of the gas water heater, and acquiring a first temperature of a water point;
recording a first moment of starting the circulation function;
acquiring a second temperature of the water inlet end of the gas water heater, and recording a second moment when the second temperature of the water inlet end of the gas water heater reaches the first temperature;
obtaining the single-point cycle time from the water outlet end of the gas water heater to the water consumption point according to the first time, the second time and the total complete cycle time;
and obtaining the cycle duration of the gas water heater according to a plurality of single-point cycle durations of a plurality of water consumption points.
2. The method of claim 1, wherein said deriving a single point cycle duration from said first time, said second time, and a total duration of a complete cycle from said water outlet end of said gas water heater to said water consumption point comprises:
subtracting the first moment from the second moment to obtain the residual cycle time for the water of the water consumption point to circulate to the water inlet end of the gas water heater;
and subtracting the residual cycle time length from the complete cycle time length to obtain the single-point cycle time length.
3. The method of claim 1 or 2, wherein said deriving a cycle length of said gas water heater from a plurality of single point cycle lengths of a plurality of water usage points comprises:
and selecting the longest single-point cycle time length from the multiple single-point cycle time lengths of the multiple water consumption points, and taking the selected longest single-point cycle time length as the cycle time length of the gas water heater.
4. The method of claim 3, wherein after selecting the longest single-point cycle duration of the plurality of single-point cycle durations for the plurality of water usage points, further comprising:
obtaining the use frequency of the longest single-point cycle duration;
and when the use frequency of the longest single-point cycle time length is smaller than a preset frequency threshold, deleting the longest single-point cycle time length, and reselecting the longest single-point cycle time length from a plurality of single-point cycle time lengths of the remaining water consumption points.
5. The method of claim 1 or 2, further comprising:
and re-acquiring the total time of the complete cycle of the gas water heater, and updating the total time of the complete cycle.
6. The method of claim 1 or 2, further comprising:
when the gas water heater is started for the first time, acquiring the current temperature of any water consumption point of the gas water heater;
judging whether the current temperature is lower than a preset temperature or not;
and when the current temperature is lower than the preset temperature, starting the circulation function of the gas water heater, and acquiring the total time of the complete circulation.
7. A control device for a gas water heater, comprising:
the first acquisition module is used for starting the circulation function of the gas water heater and acquiring a first temperature of a water point;
the recording module is used for recording the first moment of starting the circulation function;
the second acquisition module is used for acquiring a second temperature of the water inlet end of the gas water heater and recording a second moment when the second temperature of the water inlet end of the gas water heater reaches the first temperature;
the first processing module is used for obtaining the single-point cycle time from the water outlet end of the gas water heater to the water consumption point according to the first time, the second time and the total complete cycle time;
and the second processing module is used for obtaining the cycle duration of the gas water heater according to a plurality of single-point cycle durations of a plurality of water consumption points.
8. An electronic device, comprising: a memory and a processor, the memory and the processor being communicatively connected to each other, the memory having stored therein computer instructions, the processor executing the computer instructions to perform the control method of any one of claims 1 to 6.
9. A computer-readable storage medium storing computer instructions for causing a computer to execute the control method according to any one of claims 1 to 6.
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| CN106642705A (en) * | 2016-12-08 | 2017-05-10 | 广东万家乐燃气具有限公司 | Central hot water circulating system of gas water heater |
| CN206670005U (en) * | 2017-03-09 | 2017-11-24 | 芜湖美的厨卫电器制造有限公司 | Gas heater |
| US20190226687A1 (en) * | 2017-03-12 | 2019-07-25 | Edmond Alejandro Sevilla | Instant Hot Water System CONTROL PANEL |
| EP3418649A1 (en) * | 2017-06-21 | 2018-12-26 | Vaillant GmbH | Hot water appliance and hot water system using the same |
| CN113669912A (en) * | 2021-07-22 | 2021-11-19 | 青岛海尔科技有限公司 | Water heater heating method and system |
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| CN114183930B (en) | 2022-10-14 |
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