CN111721003A - Water heater water temperature control method and water heater water temperature control system - Google Patents
Water heater water temperature control method and water heater water temperature control system Download PDFInfo
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- CN111721003A CN111721003A CN202010485079.7A CN202010485079A CN111721003A CN 111721003 A CN111721003 A CN 111721003A CN 202010485079 A CN202010485079 A CN 202010485079A CN 111721003 A CN111721003 A CN 111721003A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 418
- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000001816 cooling Methods 0.000 claims abstract description 39
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 238000002360 preparation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects 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
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
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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
- F24H9/0005—Details for water heaters
- F24H9/001—Guiding means
- F24H9/0015—Guiding means in water channels
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- Combustion & Propulsion (AREA)
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- General Engineering & Computer Science (AREA)
- Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
Abstract
The invention belongs to the technical field of water heaters, and discloses a water temperature control method and a water temperature control system of a water heater. The method comprises the following steps: starting the water heater, and controlling the outlet water temperature by adjusting the working load of the water heater when the outlet water temperature is higher than the preset temperature; when the outlet water temperature is higher than the preset temperature and the working load of the water heater is minimum, the outlet water temperature is controlled by cooling the outlet water. The system comprises: the device comprises a control module, a detection module, a switch module and a cooling module. The water temperature control method and the water temperature control system of the water heater can effectively solve the problem that the water outlet temperature of the water heater is high in the prior art.
Description
Technical Field
The invention belongs to the technical field of water heaters, and particularly relates to a water temperature control method and a water temperature control system of a water heater.
Background
In the use of water heater, start the water heater after the settlement temperature, because receive factor influences such as ambient temperature, lead to into water temperature higher, and then cause the water heater even under the condition of minimum load, go out the condition that water temperature still is higher than the settlement temperature, influence water heater normal use and user experience.
Disclosure of Invention
The invention provides a hot water steam-water temperature control method in order to solve the problem of high outlet water temperature of a water heater in the prior art.
The invention also aims to provide a water temperature control system of the water heater, which adopts the water temperature control method.
In order to solve the problems, the invention adopts the following scheme:
a water temperature control method of a water heater comprises the following steps:
starting the water heater, and controlling the outlet water temperature by adjusting the working load of the water heater when the outlet water temperature is higher than the preset temperature;
when the outlet water temperature is higher than the preset temperature and the working load of the water heater is minimum, the outlet water temperature is controlled by cooling the outlet water.
Further limiting the present invention, when the outlet water temperature is higher than the preset temperature and the workload of the water heater is minimum, the outlet water temperature is controlled by cooling the outlet water, which includes:
when the outlet water temperature is higher than the preset temperature within the time threshold and the working load of the water heater is minimum, the outlet water temperature is controlled by cooling the circulating water path of the water heater.
Further limiting the present invention, controlling the outlet water temperature by cooling the circulating water path of the water heater comprises:
the water outlet temperature is controlled by increasing the water flow of the circulating water path of the water heater.
Further limiting the present invention, the method for controlling the outlet water temperature by cooling the circulating water path of the water heater comprises:
the water outlet temperature is controlled by increasing the water pressure of the circulating water path of the water heater.
Further limiting the present invention, when the outlet water temperature is higher than the preset temperature and the workload of the water heater is minimum, the outlet water temperature is controlled by cooling the outlet water, which includes:
when the water outlet temperature is higher than the preset temperature within the time threshold and the load difference value between the instant working load and the minimum working load of the water heater is within the load difference value threshold range, the water outlet temperature is higher than the preset temperature; controlling the temperature of the outlet water by cooling the outlet water;
wherein △ Q ═ QInstant messaging-Qmin＞0，QInstant messagingFor immediate workload, QminThe minimum work load is obtained, △ Q is a load difference value, and the difference value threshold range is 0-3.
For further limitation of the present invention, the time threshold is any one time in a range of 3s to 10 s.
Further limiting the present invention, starting the water heater, and controlling the outlet water temperature by adjusting the workload of the water heater when the outlet water temperature is greater than the set value, comprises:
and starting the water heater, and when the outlet water temperature is higher than a set value, adjusting the working load of the water heater according to the preset temperature and the water flow of the circulating water path of the water heater so as to control the outlet water temperature.
With further limitation of the present invention, the user can manually exit the water heater temperature control method.
The invention also provides a water temperature control system of the water heater, which adopts the control method to control the water temperature and is characterized by comprising a control module, a detection module, a switch module and a cooling module;
the switch module is electrically connected with the control module and used for starting or closing the water heater;
the detection module is used for detecting the water outlet temperature of the water heater and feeding the detected water outlet temperature back to the control module;
when the outlet water temperature is higher than the preset temperature, the control module controls the water heater to adjust the working load to control the outlet water temperature;
when the outlet water temperature is higher than the preset temperature and the working load of the water heater is minimum, the control module controls the cooling module to cool the outlet water so as to control the outlet water temperature.
In a further limitation of the present invention, the cooling module includes a circulation pump, and the circulation pump is installed on the circulation water path of the water heater for increasing the water pressure of the circulation water path or increasing the water flow of the circulation water path.
In a further limitation of the present invention, the water heater is a gas water heater.
Compared with the prior art, the water temperature control method of the water heater has the beneficial effects that:
when the water heater is used in summer, when a user sets a preset temperature to start the water heater, the water inlet temperature is higher due to the influence of factors such as the ambient temperature, and the like, so that when the water outlet temperature of the water heater is higher than the preset temperature and the working load of the water heater is not the minimum working load at the moment, the water heater firstly controls the water outlet temperature by adjusting the working load of the water heater, for example, the water outlet temperature is reduced by reducing the working load;
when the outlet water temperature is higher than the preset temperature and the workload of the water heater is minimum, the purpose that the outlet water temperature is reduced by adjusting the workload of the water heater cannot be achieved, and therefore the outlet water temperature is controlled by cooling the outlet water.
The problem that the outlet water temperature of the water heater is high can be effectively solved through the water temperature control method of the embodiment.
The water temperature control system of the water heater adopts the water temperature control method, so that the water heater can at least effectively solve the problem of high outlet water temperature of the water heater in the prior art.
Drawings
Fig. 1 is a flowchart of a water temperature control method for a water heater according to embodiment 1 of the present invention;
fig. 2 is a flow chart of a water temperature control method according to embodiment 1 of the present invention, and an operation of embodiment 2 of the present invention.
Fig. 3 is a block diagram of a water temperature control system of a water heater according to embodiment 2 of the present invention.
Detailed Description
So that the manner in which the above recited objects, features and advantages of the present invention can be understood in detail, a more particular description of the invention, briefly summarized above, may be had by reference to the embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
The water heater in the following embodiments may be a gas water heater.
Example 1
As shown in FIG. 1, the invention provides a water temperature control method for a water heater, which comprises the following steps:
starting the water heater, and controlling the outlet water temperature by adjusting the working load of the water heater when the outlet water temperature is higher than the preset temperature;
when the outlet water temperature is higher than the preset temperature and the working load of the water heater is minimum, the outlet water temperature is controlled by cooling the outlet water.
When the water heater is used in summer, when a user sets a preset temperature to start the water heater, the water inlet temperature is higher due to the influence of factors such as the ambient temperature, and the like, so that when the water outlet temperature of the water heater is higher than the preset temperature and the working load of the water heater is not the minimum working load at the moment, the water heater firstly controls the water outlet temperature by adjusting the working load of the water heater, for example, the water outlet temperature is reduced by reducing the working load;
when the outlet water temperature is higher than the preset temperature and the workload of the water heater is minimum, the purpose that the outlet water temperature is reduced by adjusting the workload of the water heater cannot be achieved, and therefore the outlet water temperature is controlled by cooling the outlet water.
The problem that the outlet water temperature of the water heater is high can be effectively solved through the water temperature control method of the embodiment.
When the outlet water temperature is higher than the preset temperature and the workload of the water heater is minimum, the outlet water temperature is controlled by cooling the outlet water, and a first specific embodiment mode in the invention comprises the following steps:
when the outlet water temperature is higher than the preset temperature within the time threshold and the working load of the water heater is minimum, the outlet water temperature is controlled by cooling the circulating water path of the water heater.
In this embodiment, the time threshold is a value that an engineer presets in advance into a program. For example, the time threshold may be designed according to the actual operating condition of each water heater, and may specifically be 3s, 5s, 8s, and the like.
Whether the outlet water temperature is higher than the preset temperature or not is judged within the time threshold, and the risk of misjudgment can be effectively avoided.
When the outlet water temperature is higher than the preset temperature within the time threshold and the workload of the water heater is minimum, it indicates that the water heater cannot control the outlet water temperature by adjusting the workload, so the outlet water temperature needs to be controlled by cooling the circulating water path of the water heater.
And control leaving water temperature through the processing of cooling down to the circulation water route of water heater, specifically can also realize through following two kinds of modes:
the first mode is as follows: the water outlet temperature is controlled by increasing the water flow of the circulating water path of the water heater.
The second way is: the water outlet temperature is controlled by increasing the water pressure of the circulating water path of the water heater.
When the outlet water temperature is higher than the preset temperature and the workload of the water heater is minimum, the outlet water temperature is controlled by cooling the outlet water, and a second specific embodiment mode in the invention comprises the following steps:
when the water outlet temperature is higher than the preset temperature within the time threshold and the load difference value between the instant working load and the minimum working load of the water heater is within the load difference value threshold range, the water outlet temperature is higher than the preset temperature; controlling the temperature of the outlet water by cooling the outlet water;
wherein △ Q ═ QInstant messaging-Qmin＞0，QInstant messagingFor immediate workload, QminThe minimum work load is obtained, △ Q is a load difference value, and the difference value threshold range is 0-3.
In this embodiment, the load difference threshold range is a value preset in advance into the program by the engineer. For example, the difference threshold range may be designed according to the actual working condition of each water heater, and the effect of the difference threshold range is that the instantaneous combustion load Q isInstant messagingChanging within this range can not produce great influence on the outlet water temperature T, which may be specifically 0-1, 0-2, etc.
Wherein, control leaving water temperature through carrying out cooling treatment to the play water and can include: the temperature of the outlet water is controlled by cooling the circulating water path of the water heater;
the method for controlling the outlet water temperature by cooling the circulating water path of the water heater can comprise the following two embodiment modes:
the first mode is as follows: the water outlet temperature is controlled by increasing the water flow of the circulating water path of the water heater.
The second way is: the water outlet temperature is controlled by increasing the water pressure of the circulating water path of the water heater.
In a specific embodiment of the present invention, the time threshold is any one time in the range of 3s to 10 s.
In a specific embodiment of the present invention, starting the water heater, and controlling the outlet water temperature by adjusting the workload of the water heater when the outlet water temperature is greater than a set value includes:
and starting the water heater, and when the outlet water temperature is higher than a set value, adjusting the working load of the water heater according to the preset temperature and the water flow of the circulating water path of the water heater so as to control the outlet water temperature.
In a specific embodiment of the invention, a user can manually exit the water heater water temperature control method.
Example 2
The invention also provides a water temperature control system of the water heater, which adopts one of the control methods in the embodiment 1 to control the water temperature, and as shown in fig. 3, the water temperature control system comprises a control module, a detection module, a switch module and a cooling module;
the switch module is electrically connected with the control module and used for starting or closing the water heater;
the detection module is used for detecting the water outlet temperature of the water heater and feeding the detected water outlet temperature back to the control module;
when the outlet water temperature is higher than the preset temperature, the control module controls the water heater to adjust the working load to control the outlet water temperature;
when the outlet water temperature is higher than the preset temperature and the working load of the water heater is minimum, the control module controls the cooling module to cool the outlet water so as to control the outlet water temperature.
A user starts or closes the water heater through the switch module; when the water heater is started, the detection module is used for detecting the water outlet temperature of the water heater in real time and feeding the water outlet temperature back to the control module in real time; the control module judges whether the water outlet temperature is higher than a preset temperature or not after receiving the water outlet temperature, and controls the water heater to adjust the working load to control the water outlet temperature if the water outlet temperature is higher than the preset temperature;
meanwhile, the control module also judges whether the working load of the water heater is the minimum working load, if so, the control module controls the cooling module to cool the outlet water to control the outlet water temperature, and further effectively solves the problem that the outlet water temperature of the existing water heater is higher.
In an embodiment of the invention, the cooling module includes a circulation pump, and the circulation pump is installed on a circulation water path of the water heater for increasing a water pressure of the circulation water path or increasing a water flow of the circulation water path.
For example, when the outlet water temperature is higher than the preset temperature and the work load of the water heater is minimum, the control module controls the circulating pump to start, or controls the circulating pump to adjust the actual working power, so as to achieve the purpose of controlling the outlet water temperature.
In a specific embodiment of the invention, the water heater is a gas water heater.
For example, when the outlet water temperature is higher than the preset temperature, the control module controls the opening degree of a gas proportional valve of the water heater, the preset temperature and the water flow of the circulating water path to adjust the work load of the water heater so as to control the outlet water temperature.
By adopting the water temperature control method of the embodiment 1, a working flow of the embodiment 2 of the invention is shown in fig. 2:
the user starts the gas water heater through the switch module and sets the preset temperature T at the same timePreparation of；
The detection module detects the water outlet temperature T of the water outlet pipe of the gas water heater in real time and feeds the water outlet temperature T back to the control module;
the control module determines that T > T within a time threshold (e.g., 10s)Preparation ofWhether or not it is satisfied;
if not, the control module adjusts the opening degree of a gas proportional valve of the gas water heater according to the preset temperature and the water flow of a circulating water channel of the gas water heater, so that the purpose of adjusting the working load of the gas water heater is achieved, and the outlet water temperature is controlled;
if yes, the control module further judges the instant work load Q of the gas water heaterInstant messagingAnd minimum workload QminWhether the load difference △ Q is within the load difference threshold range;
if not, the opening degree of a gas proportional valve of the gas water heater is continuously adjusted according to the preset temperature and the water flow of a circulating water channel of the gas water heater, so that the purpose of adjusting the working load of the gas water heater is achieved, and the outlet water temperature control is realized
If yes, the control module controls the gas water heater to maintain the instant work load Q at the momentInstant messaging(e.g., Q at this timeInstant messaging＝Qmin) And meanwhile, the cooling module is controlled (for example, the circulating pump installed on the circulating water path of the gas water heater is controlled to be started, or the actual working power of the circulating pump is controlled to be changed) to increase the water flow of the circulating water path, so that the outlet water temperature is controlled.
In this embodiment, the user can manually exit the water temperature control method of this embodiment by operating the display operation panel of the gas water heater.
In the description of the present specification, descriptions of the terms "one embodiment," "some embodiments," "the present embodiment," "specific embodiments," etc., mean that a particular feature or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the described parent features or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (11)
1. A water temperature control method for a water heater is characterized by comprising the following steps:
starting the water heater, and controlling the outlet water temperature by adjusting the working load of the water heater when the outlet water temperature is higher than the preset temperature;
when the outlet water temperature is higher than the preset temperature and the working load of the water heater is minimum, the outlet water temperature is controlled by cooling the outlet water.
2. The method for controlling the water temperature of the water heater according to claim 1, wherein when the outlet water temperature is higher than the preset temperature and the workload of the water heater is minimum, the outlet water temperature is controlled by cooling the outlet water, and the method comprises the following steps:
when the outlet water temperature is higher than the preset temperature within the time threshold and the working load of the water heater is minimum, the outlet water temperature is controlled by cooling the circulating water path of the water heater.
3. The method for controlling the water temperature of the water heater as claimed in claim 2, wherein the step of controlling the outlet water temperature by cooling the circulating water path of the water heater comprises the following steps:
the water outlet temperature is controlled by increasing the water flow of the circulating water path of the water heater.
4. The method for controlling the water temperature of the water heater as claimed in claim 2, wherein the step of controlling the outlet water temperature by cooling the circulating water path of the water heater comprises the following steps:
the water outlet temperature is controlled by increasing the water pressure of the circulating water path of the water heater.
5. The method for controlling the water temperature of the water heater according to claim 1, wherein when the outlet water temperature is higher than the preset temperature and the workload of the water heater is minimum, the outlet water temperature is controlled by cooling the outlet water, and the method comprises the following steps:
when the water outlet temperature is higher than the preset temperature within the time threshold and the load difference value between the instant working load and the minimum working load of the water heater is within the load difference value threshold range, the water outlet temperature is higher than the preset temperature; controlling the temperature of the outlet water by cooling the outlet water;
wherein △ Q ═ QInstant messaging-Qmin＞0，QInstant messagingFor immediate workload, QminThe minimum work load is obtained, △ Q is a load difference value, and the range of the load difference value threshold is 0-3.
6. The water temperature control method of the water heater as claimed in claim 2 or 5, wherein the time threshold is any one time within a range of 3s to 10 s.
7. The method for controlling water temperature of a water heater according to claim 1, wherein starting the water heater and controlling the outlet water temperature by adjusting the workload of the water heater when the outlet water temperature is greater than a set value comprises:
and starting the water heater, and when the outlet water temperature is higher than a set value, adjusting the working load of the water heater according to the preset temperature and the water flow of the circulating water path of the water heater so as to control the outlet water temperature.
8. The water heater water temperature control method as recited in claim 1 wherein a user can manually exit the water heater water temperature control method.
9. A water temperature control system of a water heater adopts the water temperature control method of claim 1 to control the water temperature, and is characterized by comprising a control module, a detection module, a switch module and a cooling module;
the switch module is electrically connected with the control module and used for starting or closing the water heater;
the detection module is used for detecting the water outlet temperature of the water heater and feeding the detected water outlet temperature back to the control module;
when the outlet water temperature is higher than the preset temperature, the control module controls the water heater to adjust the working load to control the outlet water temperature;
when the outlet water temperature is higher than the preset temperature and the working load of the water heater is minimum, the control module controls the cooling module to cool the outlet water so as to control the outlet water temperature.
10. The water temperature control system of the water heater as claimed in claim 9, wherein the cooling module comprises a circulating pump, and the circulating pump is installed on a circulating water path of the water heater for increasing the water pressure of the circulating water path or increasing the water flow of the circulating water path.
11. The water heater water temperature control system of claim 9, wherein said water heater is a gas water heater.
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| CN202010485079.7A CN111721003A (en) | 2020-06-01 | 2020-06-01 | Water heater water temperature control method and water heater water temperature control system |
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| CN202010485079.7A CN111721003A (en) | 2020-06-01 | 2020-06-01 | Water heater water temperature control method and water heater water temperature control system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114165926A (en) * | 2021-11-05 | 2022-03-11 | 华帝股份有限公司 | Fluctuating water pressure control method of gas water heater and gas water heater |
| CN114183931A (en) * | 2021-12-16 | 2022-03-15 | 珠海格力电器股份有限公司 | Control method and control device of heater |
| CN117490254A (en) * | 2023-12-29 | 2024-02-02 | 珠海格力电器股份有限公司 | Control method and device of floor heating water supply water heater and floor heating water supply water heater |
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| CN208751053U (en) * | 2018-08-21 | 2019-04-16 | 广东万家乐燃气具有限公司 | A kind of water heater temperature regulating device and water heater |
| CN110953720A (en) * | 2018-09-26 | 2020-04-03 | 宁波方太厨具有限公司 | Ultra-small load combustion control method of gas water heater |
| CN111023578A (en) * | 2019-12-06 | 2020-04-17 | 广东万家乐燃气具有限公司 | Water heater outlet water temperature control method and control system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114183931A (en) * | 2021-12-16 | 2022-03-15 | 珠海格力电器股份有限公司 | Control method and control device of heater |
| CN117490254A (en) * | 2023-12-29 | 2024-02-02 | 珠海格力电器股份有限公司 | Control method and device of floor heating water supply water heater and floor heating water supply water heater |
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Application publication date: 20200929 |
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