CN112097401A - Water heater control system with zero water pressure function and working method - Google Patents
Water heater control system with zero water pressure function and working method Download PDFInfo
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- CN112097401A CN112097401A CN202011131566.XA CN202011131566A CN112097401A CN 112097401 A CN112097401 A CN 112097401A CN 202011131566 A CN202011131566 A CN 202011131566A CN 112097401 A CN112097401 A CN 112097401A
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- water
- circulating pump
- water heater
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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
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
Abstract
The invention discloses a water heater control system with a zero water pressure function and a working method, wherein the water heater control system comprises: the water heater is internally provided with a circulating pump, a water flow sensor and a controller, a cold water pipe is connected to a water inlet of the water heater, a hot water pipe is connected to a water outlet of the water heater, a plurality of water utilization points are connected to the hot water pipe and the cold water pipe, and a one-way valve for conducting the hot water pipe to the cold water pipe in a one-way manner is arranged at the water utilization point farthest from the water heater, so that the cold water pipe, the hot water pipe and the water heater form a circulating loop; the controller is electrically connected with the circulating pump, and the set power of the circulating pump can be adjusted through the controller. The beneficial effects of the above technical scheme are: the controller that sets up can control the circulating pump, including opening and close and adjusting power, start the circulating pump and can open the water heater in advance when not having water pressure in the water heater for zero water pressure of water heater realization starts, convenience more.
Description
Technical Field
The invention relates to the technical field of water heaters, in particular to a water heater control system with a zero water pressure function and a working method.
Background
The water consumption point of a user is generally influenced by the water pressure of tap water or possibly in a high-rise residence, the water flow is small, so that the water heater cannot be started to heat, or the water heater with large volume of liter cannot keep constant temperature due to small water flow during starting heating, and the shower experience effect is influenced.
The pressurization function of the existing water heater with the circulating pump usually starts pressurization under the condition of water flow, and cannot be started under the condition of no water pressure.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a water heater control system with a zero water pressure function and a working method, which can realize zero water pressure starting and are more convenient and comfortable.
In the first aspect of the invention, the technical scheme is as follows: a water heater control system with zero water pressure functionality comprising: the water heater is internally provided with a circulating pump, a water flow sensor and a controller; the controller comprises a single chip microcomputer, a display unit and a key unit; a cold water pipe is connected to a water inlet of the water heater, a hot water pipe is connected to a water outlet of the water heater, a plurality of water consumption points are connected to the hot water pipe and the cold water pipe, and the controller is electrically connected with the circulating pump and the water flow sensor;
the water flow sensor is used for detecting the flow speed of water flow passing through the water heater;
the display unit is used for displaying the set power P of the circulating pump0；
The key unit comprises a zero water pressure key, a temperature rising key, a temperature lowering key, an on-off key and a setting key;
the single chip microcomputer is used for receiving and processing the key command of the key unit and sending data to the display unit and the sound unit; and the single chip microcomputer receives a key instruction of the zero water pressure key to enable the zero water pressure function, and then the circulating pump is started.
Furthermore, a one-way valve which conducts the hot water pipe to the cold water pipe in one way is arranged at the water using point farthest from the water heater, so that the cold water pipe, the hot water pipe and the water heater form a circulation loop.
Further, the water heater is a gas water heater or an electric water heater.
The beneficial effects of the above technical scheme are: the controller that sets up can control the circulating pump, including opening and close and adjusting power, start the circulating pump and can open the water heater in advance when not having water pressure in the water heater for zero water pressure of water heater realization starts, convenience more.
In a second aspect of the present invention, a technical solution is provided: the working method of the water heater with the zero water pressure function comprises the water heater control system with the zero water pressure function, and further comprises the following steps:
step S1, adjusting the setting power P of the circulating pump through the key unit0The water flow driven by the power of the circulating pump just meets the water demand of a user;
step S2, when the zero water pressure key is pressed to enable the zero water pressure function, the controller starts the circulating pump;
step S3, after the circulating pump is started, if no water flows within the set time T, the circulating pump is closed; when water flows, the water heater starts heating.
Furthermore, when the water consumption point on the hot water pipe is opened to cause water flow in the water heater, the heating is started, and when the water consumption point on the hot water pipe is closed to cause water flow in the water heater to stop, the circulating pump is closed.
In a third aspect of the present invention, a technical solution is provided: the working method of the water heater with the zero water pressure function comprises the water heater control system with the zero water pressure function, and further comprises the following steps:
step B1, adjusting the setting power P of the circulating pump through the key unit0The water flow driven by the power of the circulating pump just meets the water demand of a user;
step B2, when the zero water pressure key is pressed to enable the zero water pressure function, the controller starts the circulating pump;
step B3, after the circulating pump is started, if no water flows within the set time T, the circulating pump is closed; if water flows, the water heater starts to heat;
and step B4, after the water heater starts to heat normally, the water flow drops suddenly and lasts for 1-2 seconds, the circulating pump is closed, and then the reminding of the end of the use of the hot water is sent out through the display unit or the sound unit.
Further, in step B4, since there is always water flow in the circulation circuit after the circulation pump is started and the water consumption point is turned off, the water flow in the water heater becomes small, and therefore, it is determined in B4 that the user has performed the water consumption point turning-off operation.
In a fourth aspect of the present invention, a technical solution is provided: the working method of the water heater with the zero water pressure function comprises a water heater control system with the zero water pressure function, and further comprises the following steps:
step K1, adjusting the setting power P of the circulating pump through the key unit0The water flow driven by the power of the circulating pump just meets the water demand of a user;
step K2, when the zero water pressure key is pressed to enable the zero water pressure function, the controller starts the circulating pump;
step K3, after the circulating pump is started, if no water flows within the set time T, the circulating pump is closed; if water flows, the water heater starts to heat;
and step K4, when the water heater is heated by taking the set temperature as a target and the output power is close to the minimum value and constant temperature cannot be realized, after the temperature exceeds the set heating temperature for 2-3 seconds, the circulating pump is closed, and then a prompt for reminding the use end of the hot water is sent out through the display unit or the sound unit.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic structural diagram of the present invention.
Reference numerals: water heater 100, controller 110, water flow sensor 120, circulating pump 130, cold water pipe 200, hot water pipe 300, check valve 400.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.
As shown in fig. 1, the present embodiment provides a water heater control system with zero water pressure function, including: a water heater 100, wherein the water heater 100 is internally provided with a circulating pump 130, a water flow sensor 120 and a controller 110; the water flow sensor 120 is used to detect the flow rate of water flow through the water heater 100; the controller 110 comprises a single chip microcomputer, a display unit and a key unit; the display unit is used for displaying the set power P of the circulating pump 1300(ii) a The key unit comprises a zero water pressure key, a temperature rising key, a temperature lowering key, an on-off key and a setting key; a cold water pipe 200 is connected to a water inlet of the water heater 100, a hot water pipe 300 is connected to a water outlet of the water heater 100, a plurality of water consumption points are connected to the hot water pipe 300 and the cold water pipe 200, and the controller 110 is electrically connected with the circulating pump 130 and the water flow sensor 120; the water heater 100 is a gas water heater or an electric water heater.
The single chip microcomputer is used for receiving and processing the key command of the key unit and sending data to the display unit and the sound unit; and if the single chip microcomputer receives the key instruction of the zero water pressure key to enable the zero water pressure function, the circulating pump 130 is started.
In another preferred embodiment, in order to better connect the hot water pipe 300 and the cold water pipe 200, a check valve 400 for conducting the hot water pipe 300 to the cold water pipe 200 in one way is provided at a water consumption point farthest from the water heater 100, so that the cold water pipe 200, the hot water pipe 300 and the water heater 100 form a circulation loop.
The controller 110 that sets up can control the circulating pump 130, including opening and close and adjusting power, start circulating pump 130 and can open water heater 100 in advance when there is not water pressure in water heater 100 for water heater 100 realizes zero water pressure and starts, and is more convenient.
The embodiment also provides an operating method of a water heater with a zero water pressure function, which includes the control system of the water heater 100 with the zero water pressure function, and further includes the following steps:
step S1, adjusting the setting power P of the circulating pump 130 through the key unit0The water flow driven by the power of the circulating pump 130 just meets the water demand of the user;
step S2, when the zero water pressure key is pressed to enable the zero water pressure function, the controller 110 starts the circulation pump 130;
step S3, after the circulation pump 130 is started, if there is no water flow within the set time T, the circulation pump 130 is turned off; the water heater 100 begins heating when there is water flow.
To better control the water heater 100, heating is turned on when the water consumption point on the hot water pipe 300 is turned on to allow water flow in the water heater 100, and the circulation pump 130 is turned off when the water consumption point on the hot water pipe 300 is turned off to stop water flow in the water heater 100.
In the case that the hot water pipe 300 is provided with the check valve 400 communicated with the cold water pipe 200, the present embodiment provides an operating method of a water heater with a zero water pressure function, which includes a control system of the water heater 100 with a zero water pressure function, and further includes the following steps:
step B1, adjusting the setting power P of the circulating pump 130 through the key unit0The water flow driven by the power of the circulating pump 130 just meets the water demand of the user;
step B2, when the zero water pressure key is pressed to enable the zero water pressure function, the controller 110 starts the circulation pump 130;
step B3, after the circulation pump 130 is started, if the water flow still does not exist within the set time T, the circulation pump 130 is closed; if water flows, the water heater 100 starts heating;
and step B4, after the water heater 100 starts heating normally, the water flow drops suddenly and lasts for 1-2 seconds, the circulating pump 130 is closed, and then the display unit or the sound unit sends out a hot water use end prompt.
Further, in step B4, since there is always water flow in the circulation circuit after circulation pump 130 is started, and the water flow in water heater 100 is reduced if the water consumption point is closed, B4 determines that the user has performed the water consumption point closing operation.
In the case that the hot water pipe 300 is provided with the check valve 400 communicated with the cold water pipe 200, the embodiment further provides another working method of the water heater with the zero water pressure function, which comprises the following steps:
step K1, adjusting the setting power P of the circulation pump 130 by the key unit0The water flow driven by the power of the circulating pump 130 just meets the water demand of the user;
step K2, when the zero water pressure key is pressed to enable the zero water pressure function, the controller 110 starts the circulation pump 130;
step K3, after the circulation pump 130 is started, if the water flow still does not exist within the set time T, the circulation pump 130 is closed; if water flows, the water heater 100 starts heating;
and step K4, when the water heater 100 is heated with the set temperature as the target and the output power is close to the minimum value and constant temperature cannot be realized, after the temperature exceeds the set heating temperature for 2-3 seconds, the circulating pump 130 is closed, and then a prompt for reminding the end of using hot water is sent out through the display unit or the sound unit.
In the description of the present application, it is to be understood that the terminology used herein is for the purpose of description only and is not intended to be interpreted as indicating or implying any relative importance or implicit indication of the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In this application, unless expressly stated or limited otherwise, the terms "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral combinations thereof; may be an electrical connection; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, systems, and techniques have not been shown in detail in order not to obscure an understanding of this description.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (8)
1. A water heater control system with zero water pressure functionality, comprising: the water heater is internally provided with a circulating pump, a water flow sensor and a controller; the controller comprises a single chip microcomputer, a display unit and a key unit; a cold water pipe is connected to a water inlet of the water heater, a hot water pipe is connected to a water outlet of the water heater, a plurality of water consumption points are connected to the hot water pipe and the cold water pipe, and the controller is electrically connected with the circulating pump and the water flow sensor;
the water flow sensor is used for detecting the flow speed of water flow passing through the water heater;
the display unit is used for displaying the set power P of the circulating pump0；
The key unit comprises a zero water pressure key, a temperature rising key, a temperature lowering key, an on-off key and a setting key;
the single chip microcomputer is used for receiving and processing the key command of the key unit and sending data to the display unit and the sound unit; and the single chip microcomputer receives a key instruction of the zero water pressure key to enable the zero water pressure function, and then the circulating pump is started.
2. The control system of claim 1, wherein a check valve for conducting the hot water pipe to the cold water pipe in one way is disposed at a water consumption point farthest from the water heater, so that the cold water pipe, the hot water pipe and the water heater form a circulation loop.
3. A water heater control system with zero water pressure function as claimed in claim 1 or 2, wherein:
the water heater is a gas water heater or an electric water heater.
4. A method of operating a zero water pressure capable water heater, comprising the zero water pressure capable water heater control system of claim 1, further comprising the steps of:
step S1, adjusting the setting power P of the circulating pump through the key unit0The water flow driven by the power of the circulating pump just meets the water demand of a user;
step S2, when the zero water pressure key is pressed to enable the zero water pressure function, the controller starts the circulating pump;
step S3, after the circulating pump is started, if no water flows within the set time T, the circulating pump is closed; when water flows, the water heater starts heating.
5. The method of claim 4, wherein the heating is turned on when the water consumption point of the hot water pipe is turned on to stop the water flow in the water heater, and the circulation pump is turned off when the water consumption point of the hot water pipe is turned off to stop the water flow in the water heater.
6. A method of operating a zero water pressure capable water heater, comprising the zero water pressure capable water heater control system of claim 2, further comprising the steps of:
step B1, adjusting the setting power P of the circulating pump through the key unit0So that the water flow driven by the power of the circulating pump just meets the water consumption of usersA demand;
step B2, when the zero water pressure key is pressed to enable the zero water pressure function, the controller starts the circulating pump;
step B3, after the circulating pump is started, if no water flows within the set time T, the circulating pump is closed; if water flows, the water heater starts to heat;
and step B4, after the water heater starts to heat normally, the water flow drops suddenly and lasts for 1-2 seconds, the circulating pump is closed, and then the reminding of the end of the use of the hot water is sent out through the display unit or the sound unit.
7. The method as claimed in claim 6, wherein the water heater with zero water pressure function has a water flow in the circulation loop after the circulation pump is started in step B4, and if the water consumption point is closed, the water flow in the water heater is decreased, so B4 determines that the user has performed the water consumption point closing action.
8. A method of operating a zero water pressure capable water heater, comprising the zero water pressure capable water heater control system of claim 2, further comprising the steps of:
step K1, adjusting the setting power P of the circulating pump through the key unit0The water flow driven by the power of the circulating pump just meets the water demand of a user;
step K2, when the zero water pressure key is pressed to enable the zero water pressure function, the controller starts the circulating pump;
step K3, after the circulating pump is started, if no water flows within the set time T, the circulating pump is closed; if water flows, the water heater starts to heat;
and step K4, when the water heater is heated by taking the set temperature as a target and the output power is close to the minimum value and constant temperature cannot be realized, after the temperature exceeds the set heating temperature for 2-3 seconds, the circulating pump is closed, and then a prompt for reminding the use end of the hot water is sent out through the display unit or the sound unit.
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| CN202011131566.XA CN112097401A (en) | 2020-10-21 | 2020-10-21 | Water heater control system with zero water pressure function and working method |
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| CN202011131566.XA CN112097401A (en) | 2020-10-21 | 2020-10-21 | Water heater control system with zero water pressure function and working method |
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Cited By (3)
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| CN112856825A (en) * | 2021-01-29 | 2021-05-28 | 佛山市九零物联科技有限公司 | Water heater with zero cold water, zero water pressure and zero hot water functions and working method |
| CN113701360A (en) * | 2021-08-31 | 2021-11-26 | 广东万和新电气股份有限公司 | Control method of water heater system, water heater and water heater system |
| CN115711491A (en) * | 2022-10-31 | 2023-02-24 | 广东合胜热能科技有限公司 | Control method of zero-cold-water gas water heater |
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Cited By (5)
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