CN112856825A - Water heater with zero cold water, zero water pressure and zero hot water functions and working method - Google Patents
Water heater with zero cold water, zero water pressure and zero hot water functions and working method Download PDFInfo
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- CN112856825A CN112856825A CN202110127980.1A CN202110127980A CN112856825A CN 112856825 A CN112856825 A CN 112856825A CN 202110127980 A CN202110127980 A CN 202110127980A CN 112856825 A CN112856825 A CN 112856825A
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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
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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
- F24H9/12—Arrangements for connecting heaters to circulation pipes
- F24H9/13—Arrangements for connecting heaters to circulation pipes for water heaters
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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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- Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
Abstract
The invention discloses a water heater with zero cold water, zero water pressure and zero hot water functions and a working method, wherein a controller and a circulating pump are arranged in the water heater and are electrically connected; a cold water pipe is connected to the water inlet of the water heater, a hot water pipe is connected to the water outlet of the water heater, a one-way valve is arranged at the tail end of the hot water pipe, and the hot water pipe, the cold water pipe and the circulating pump form a circulating loop; the controller comprises a control module and a key unit; the key unit comprises a zero cold water key, a zero hot water key and a zero water pressure key; the zero cold water key is used for enabling or closing the zero cold water function, and the zero hot water key is used for enabling or closing the zero hot water function; the zero water pressure key is used for enabling or closing the zero water pressure function; by adopting the water heater, a user can press the zero-cold-water key to enable the zero-cold-water function before using water; when the user uses water, the zero water pressure key is pressed to enable the zero water pressure function, when the user uses water, the zero hot water key is pressed to enable the zero hot water function, then heating is closed, the water heater and hot water in the hot water pipe are emptied, and waste of hot water resources is avoided.
Description
Technical Field
The invention relates to the technical field of water heaters, in particular to a water heater with zero cold water, zero water pressure and zero hot water functions and a working method.
Background
The user generally keeps a distance from the water heater by using the water point, when the user uses hot water, the user needs to firstly drain cold water in the hot water pipe and wait for the hot water heated by the water heater to flow, and then the user can use the hot water, so that a part of water is wasted. The zero cold water function of current water heater of taking the circulating pump also heats full hot water in generally will the cold water pipe for when the user begins to use water, the cold water pipe of water consumption point need the hot water of evacuation the inside earlier and use cold water again, and the gas is extravagant like this, and the time that this type of product general energy consumption is high and wait for zero cold water function completion to preheat on the market is longer, and user experience is relatively poor.
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.
The water heater is used for heating cold water into hot water, mainly comprises a gas water heater, an electric water heater and the like, when a user uses hot water through the hot water heater, a certain distance is reserved between a water using point and the water heater, and after the water heater and a hot water pipe are used, a part of hot water can be remained, so that the waste of the hot water is caused.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a water heater with zero cold water, zero water pressure and zero hot water functions.
Further, the application also provides a working method of the water heater with the functions of zero cold water, zero water pressure and zero hot water.
The technical scheme adopted by the invention is as follows:
the water heater has the functions of zero cold water, zero water pressure and zero hot water, a circulating pump and a controller are arranged in the water heater, and the controller is electrically connected with the circulating pump;
a water inlet of the water heater is connected with a cold water pipe, a water outlet of the water heater is connected with a hot water pipe, the hot water pipe and the cold water pipe are connected with a plurality of water consumption points, the tail end of the hot water pipe is provided with a one-way valve which conducts the hot water pipe to the cold water pipe in a one-way manner, and the hot water pipe, the cold water pipe and the circulating pump form a circulating loop by connecting the cold water pipe with the water inlet of the water heater;
the controller comprises a single chip microcomputer and a key unit; the single chip microcomputer comprises a control module; the key unit comprises a zero cold water key, a zero hot water key and a zero water pressure key; the zero cold water key is used for enabling or closing a zero cold water function, the zero water pressure key is used for enabling or closing a zero water pressure function, and the zero hot water key is used for enabling or closing a zero hot water function;
the control module is used for receiving and processing a key instruction of the key unit; when the key instruction is to enable the zero-cold water function, the circulating pump is started, and if water flows, the water heater is started to preheat, so that the hot water pipe is just filled with the heating water amount; when the key instruction is to enable the zero water pressure function, starting the circulating pump to pressurize the water channel; and when the key instruction is to enable the zero hot water function, controlling the water heater to close heating so as to clear heat of the water heater and hot water in the hot water pipe.
The water supply system comprises a water supply system, a water supply system and a water supply system, wherein the water supply system comprises a water supply system, a water supply system and a water supply system, the water supply system comprises; if the backwater cold water pipe is installed by a user, a one-way valve which conducts the hot water pipe to the backwater cold water pipe in a one-way mode is arranged at the position, farthest from the water heater, of the water using point, and the one-way valve is connected to the water inlet of the water heater through the backwater cold water pipe, so that the hot water pipe, the backwater cold water pipe and the circulating pump form a circulating loop.
Further, the key unit is used for receiving the preheating time t0And time to clear heat t1Will t0And t1Sending the signal to a control module, wherein the singlechip further comprises a timing module which is used for acquiring real-time preheating time t2And time t for clearing heat in real time3And will t2And t3Sending the data to a control module; the control module is used for preheating time t in real time2Is equal to the preheating time t0When the temperature is high, controlling the circulating pump to be closed; the control module is used for clearing heat in real time t3Less than the heat-clearing time t1And controlling the water heater to close heating.
Further, the key unit is also used for receiving the preheating water quantity q0And amount of Heat-clearing Water q1And q is0And q is1The water flow sensor is also arranged in the water heater, and the singlechip further comprises a timing module and a water amount calculation module; the water flow sensor is used for detecting the flow rate of water flow passing through the water heater and sending the flow rate to the water amount calculation module; the timing module is used for monitoring the time when water flow continuously passes through the water flow sensor in a single time and sending the time to the water quantity calculation module; the water quantity calculation module calculates to obtain real-time preheated water quantity q according to the flow speed and the time2And the real-time heat-clearing water quantity q3And q is2And q is3Sending the water to the control module, wherein the control module is used for preheating the water quantity q in real time2Equal to the amount of preheated water q0When the temperature is high, controlling the circulating pump to be closed; the control module is used for clearing away heat water q in real time3Less than the amount q of heat-clearing water1And controlling the water heater to close heating.
Further, the water heater is a gas water heater or an electric water heater.
Further, the controller also comprises a display unit and a sound unit, wherein the display unit is used for receiving and displaying the display information sent by the control module, and the sound unit is used for receiving and playing the sound information sent by the control module.
Further, the working method of the water heater with the functions of zero cold water, zero water pressure and zero hot water adopts the water heater with the functions of zero cold water, zero water pressure and zero hot water, after the water heater is installed, the zero cold water function is enabled by pressing a zero cold water key, and the zero water pressure function is enabled by pressing a zero water pressure key; pressing a zero hot water key to enable a zero hot water function; and includes any two or three of the following steps:
s1, before a user uses water, triggering the water heater to start a circulating pump through a zero cold water inching mode, and starting heating after water flows exist so as to circularly preheat the water heater and water stored in a hot water pipe;
s2, when the user uses water and has water flow, the water heater starts the circulating pump to pressurize the water channel;
and S3, when the water consumption of the user is finished, triggering the water heater to stop heating through a zero hot water inching mode, and circularly clearing heat for the water heater and the water stored in the hot water pipe.
Further, in step S1, in the case where the zero-cooling function is enabled, the water usage point on the hot water pipe is turned on for a certain period of time and then turned off, and the timer unit obtains the time interval t from the turning on to the turning off of the water usage point4The zero cold water inching mode calculation unit receives the time interval t recorded by the timing unit4And separating the time interval t4Minimum inching interval time t preset with the single chip microcomputer5And a maximum jog interval time t6Making a comparison when t5<t4<t6And triggering the control module to start the circulating pump to start preheating.
Further, in step S3, in the case where the zero hot water function is enabled, the water usage point is turned off for a certain period of time and then turned on, and the time counting unit obtains the time interval t from the turning off to the turning on of the water usage point7The zero hot water inching mode calculation unit receives the time interval t recorded by the timing unit7And separating the time interval t7Minimum inching interval time t preset with the single chip microcomputer5And a maximum jog interval time t6Making a comparison when t5<t7<t6And when the water heater is heated, the control module is triggered to drive the water heater to stop heating.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
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 a water heater with zero cold water, zero water pressure, and zero hot water functions provided in embodiment 1 of the present application;
fig. 2 is a schematic structural diagram of a water heater having zero cold water, zero water pressure, and zero hot water functions provided in embodiment 2 of the present application.
The water heater comprises a water heater 1, a cold water pipe 2, a water using cold water pipe 21, a backwater cold water pipe 22, a circulating pump 3, a water flow sensor 4, a display unit 5, a key unit 6, a hot water pipe 7 and a one-way valve 8.
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.
Example 1
Referring to fig. 1, in the water heater with zero cold water, zero water pressure and zero hot water functions, a circulating pump 3 and a controller are arranged in the water heater 1, and the controller is electrically connected with the circulating pump 3; a cold water pipe 2 is connected to a water inlet of the water heater 1, a hot water pipe 7 is connected to a water outlet of the water heater 1, a plurality of water consumption points are connected to the hot water pipe 7 and the cold water pipe 2, a one-way valve 8 for conducting the hot water pipe to the water heater in a one-way mode is arranged at the tail end of the hot water pipe 7, and the hot water pipe 7, the cold water pipe 2, the circulating pump 3 and the water heater 1 are connected with a water inlet of the water heater through the cold water pipe to form a circulating loop; the controller comprises a single chip microcomputer and a key unit 6; the single chip microcomputer comprises a control module; the key unit comprises a zero cold water key, a zero hot water key and a zero water pressure key; the zero cold water key is used for enabling or closing a zero cold water function, the zero hot water key is used for enabling or closing a zero hot water function, and the zero water pressure key is used for enabling or closing a zero water pressure function; the control module is used for receiving and processing a key instruction of the key unit; when the key instruction is to enable the zero-cold water function, the circulating pump is started, and if water flows, the water heater is started to preheat, so that the hot water pipe is just filled with the heating water amount; when the key instruction is to enable the zero water pressure function, starting the circulating pump to pressurize the water channel; and when the key instruction is to enable the zero hot water function, controlling the water heater to close heating so as to clear heat of the water heater and hot water in the hot water pipe.
By adopting the water heater, a user can press the zero cold water key to enable the zero cold water function before using water, the water heater starts the circulating pump to start preheating, and the user opens the hot water using point for a short time, so that continuous hot water supply can be enjoyed, the starting is more convenient and faster, and the use experience is better; when a user uses water, the zero water pressure key can be pressed to enable the zero water pressure function, and the circulating pump is started to start the water heater in advance when no water pressure exists in the water heater, so that the water heater is started at zero water pressure, and is more convenient; or when the water heater has water flow under the condition of enabling the zero water pressure function, the water heater starts the circulating pump to carry out water channel pressurization, so that the water flow is increased, and the shower experience effect of a user is improved; when the user finishes using water, the zero hot water key can be pressed to enable the zero hot water function, the water heater is closed in advance to clear heat, and waste caused by residual hot water in the hot water pipe is avoided.
The water heater may be an electric water heater, a gas water heater, etc., and the embodiment is not limited thereto. And in practice, the water heater is operated at a constant temperature with a set temperature as a target.
The hot water pipe and the cold water pipe are connected with a plurality of water using points for users to use hot water or cold water, the water inlet end of the cold water pipe is connected with tap water, the water inlet end of the cold water pipe is connected through a tee joint, one end of the cold water pipe is connected with the water inlet of the water heater to supply water to the water heater, the other end of the cold water pipe extends to the water using points to supply cold water to the water using points; the water inlet end of the hot water pipe is connected with the water outlet of the water heater, and the water outlet end of the hot water pipe extends to a water consumption point to provide hot water for the water consumption point. The tail end of the hot water pipe is provided with a one-way valve which is communicated with the cold water pipe in a one-way mode, namely the one-way valve is arranged at the water using point which is farthest away from the water heater, so that the hot water pipe, the cold water pipe, the circulating pump and the water heater form a circulating loop, the one-way valve can be communicated in a one-way mode, and water flow in the hot water pipe can flow to the cold water pipe through the one-way valve and flows back to the.
The controller comprises a single chip microcomputer, a key unit 6, a display unit 5 and a sound unit, the single chip microcomputer comprises a control module, a timing module and a water quantity calculation module, the key unit comprises a zero cold water key, a zero water pressure key and a zero hot water key, and a water flow sensor 4 is further arranged in the water heater.
The zero cold water key is used for enabling or closing the zero cold water function, and the zero cold water function can be enabled by pressing the zero cold water key before a user opens the water heater. Specifically, when a user presses a zero cold water key, the control module receives a key instruction to enable the zero cold water function, controls the circulating pump and the water heater to be started, enables water stored in the hot water pipe to enter the water heater through the one-way valve, the cold water pipe and the circulating pump to be circularly preheated, controls the display unit to display the use state of the zero cold water, and controls the sound unit to play sound; when the preheating is finished, the control module controls the display unit to display the zero cold water preheating finishing state and controls the sound unit to play the preheating finishing sound.
In a preferred embodiment, the key unit may receive the preheating time t0Setting and preheating time t0Sending the data to a control module, controlling a circulating pump and a water heater to be started for circulating preheating by the control module, and acquiring real-time preheating time t by a timing module2And preheating the real-time t2Sending the data to a control module; the control module is used for preheating time t in real time2Is equal to the preheating time t0And controlling the circulating pump to be closed so as to finish preheating.
In another preferred embodiment, the key unit is further adapted to receive a preheating water amount q0And the amount of preheated water q0The water flow sensor is arranged in the water heater and used for detecting the flow velocity of water flow passing through the water heater and sending the flow velocity to the water flow calculation module; the timing module is used for monitoring the water flow listThe time of the second continuous passing through the water flow sensor is sent to a water supply amount calculation module; the water quantity calculation module calculates to obtain the real-time preheated water quantity q according to the flow speed and the time2And the real-time preheating water quantity q is used2Sent to a control module for preheating the water quantity q in real time2Equal to the amount of preheated water q0And controlling the circulating pump to be closed so as to finish preheating.
In another preferred embodiment, the timing module is adapted to obtain the time interval t between the opening and closing of the water consumption point by switching on the zero cold water inching mode after the water consumption point has been opened for a certain period of time and then switching off the zero cold water function4The zero cold water inching mode calculation unit receives the time interval t recorded by the timing module4And separating the time interval t4Minimum inching interval time t preset with the single chip microcomputer5And a maximum jog interval time t6Making a comparison when t5<t4<t6And triggering the controller to start the circulating pump to start preheating.
The zero water pressure key is used for enabling or closing the zero water pressure function, when a user uses water, the zero water pressure key is pressed to enable the zero water pressure function or the water heater has water flow under the condition that the zero water pressure function is enabled, the water heater starts the circulating pump to carry out water channel pressurization, and the water flow is increased.
The zero hot water key is used for enabling or closing the zero hot water function, when the user uses water, the current water heater is in a water flow normal heating state, and the zero hot water function is enabled by pressing the zero hot water key. Specifically, when the user presses the zero hot water key, the control module receives a key instruction to enable the zero hot water function, and controls the water heater to close heating to clear heat.
In a preferred embodiment, the key unit may receive the heat clearing time t1Setting and reducing the heat-clearing time t1Sending the heat to a control module, the control module controls the water heater to be turned off to clear heat, and a timing module is used for acquiring real-time heat clearing time t3And the real-time heat-clearing time t is used3Sending the data to a control module; the control module is used for clearing heat in real time for t3Equal to the heat-clearing timet1And then controlling the display unit to display the heat clearing end, and simultaneously controlling the sound unit to play the voice play of the heat clearing end.
In another preferred embodiment, the key unit is further used for receiving the amount q of heat-clearing water1And the amount of heat-clearing water q1The water flow sensor is arranged in the water heater and used for detecting the flow velocity of water flow passing through the water heater and sending the flow velocity to the water supply calculation module; the timing module is used for monitoring the time of water flow passing through the water flow sensor continuously in a single time and sending the time to the water supply amount calculation module; the water quantity calculation module calculates to obtain the real-time heat clearing water quantity q according to the flow speed and the time3And the real-time heat-clearing water quantity q is added3Sending the water to a control module, wherein the control module is used for clearing heat water quantity q in real time3Equal to the amount of clear water q1And then controlling the display unit to display the heat clearing end, and simultaneously controlling the sound unit to play the voice play of the heat clearing end.
In another preferred embodiment, the zero hot water jog mode is initiated by turning on the water spot after a period of time following turning off the water spot, with the zero hot water function enabled, and the timing module is adapted to obtain a time interval t from turning off the water spot to turning on the water spot7The zero hot water inching mode calculation unit receives the time interval t recorded by the timing module7And separating the time interval t7Minimum inching interval time t preset with the single chip microcomputer5And a maximum jog interval time t6Making a comparison when t5<t7<t6And when the water heater is started, the trigger controller drives the water heater to stop heating and start clearing heat.
Example 2
Referring to fig. 2, different from embodiment 1, in this embodiment, the cold water pipe includes a backwater cold water pipe 22 and a water using cold water pipe 21, a water inlet end of the water using cold water pipe 21 is connected to tap water, a four-way joint is disposed at the water inlet end of the water using cold water pipe, a first end of the water using cold water pipe is connected to a water inlet of the water heater, a second end of the water using cold water pipe extends to a water using point and is provided with a plurality of water using points, a third end of the water using cold water pipe is connected to a water outlet end of the backwater cold water pipe, the water inlet end of the backwater cold water pipe is connected.
Example 3
The application also provides a working method of the water heater with the functions of zero cold water, zero water pressure and zero hot water, the water heater with the functions of zero cold water, zero water pressure and zero hot water is adopted, after the water heater is installed, the zero cold water function is enabled by pressing a zero cold water key, and the zero water pressure function is enabled by pressing a zero water pressure key; pressing a zero hot water key to enable a zero hot water function; and includes any two or three of the following steps:
s1, before a user uses water, triggering the water heater to start a circulating pump through a zero cold water inching mode, and starting heating after water flows exist so as to circularly preheat the water heater and water stored in a hot water pipe;
s2, when the user uses water and has water flow, the water heater starts the circulating pump to pressurize the water channel;
and S3, when the water consumption of the user is finished, triggering the water heater to stop heating through a zero hot water inching mode, and circularly clearing heat for the water heater and the water stored in the hot water pipe.
In step S1, when the zero-cooling function is enabled, the water consumption point on the hot water pipe is turned on for a certain period of time and then turned off, and the time counting unit obtains the time interval t from the turning on to the turning off of the water consumption point4The zero cold water inching mode calculation unit receives the time interval t recorded by the timing unit4And separating the time interval t4Minimum inching interval time t preset with the single chip microcomputer5And a maximum jog interval time t6Making a comparison when t5<t4<t6And triggering the control module to start the circulating pump to start preheating.
In step S3, when the zero hot water function is enabled, the water usage point is turned off for a certain period of time and then turned on, and the time counting unit obtains the time interval t from the turning off of the water usage point to the turning on of the water usage point7The zero hot water inching mode calculation unit receives the time interval t recorded by the timing unit7And separating the time interval t7Minimum inching interval time t preset with the single chip microcomputer5And a maximum jog interval time t6Making a comparison when t5<t7<t6And when the water heater is heated, the control module is triggered to drive the water heater to stop heating.
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.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, system, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, systems, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
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 (9)
1. The water heater with the functions of zero cold water, zero water pressure and zero hot water is characterized in that a circulating pump and a controller are arranged in the water heater, and the controller is electrically connected with the circulating pump;
a water inlet of the water heater is connected with a cold water pipe, a water outlet of the water heater is connected with a hot water pipe, the hot water pipe and the cold water pipe are connected with a plurality of water consumption points, the tail end of the hot water pipe is provided with a one-way valve which conducts the hot water pipe to the cold water pipe in a one-way manner, and the hot water pipe, the cold water pipe and the circulating pump form a circulating loop by connecting the cold water pipe with the water inlet of the water heater;
the controller comprises a single chip microcomputer and a key unit; the single chip microcomputer comprises a control module; the key unit comprises a zero cold water key, a zero hot water key and a zero water pressure key; the zero cold water key is used for enabling or closing a zero cold water function, the zero water pressure key is used for enabling or closing a zero water pressure function, and the zero hot water key is used for enabling or closing a zero hot water function;
the control module is used for receiving and processing a key instruction of the key unit; when the key instruction is to enable the zero-cold water function, the circulating pump is started, and if water flows, the water heater is started to preheat, so that the hot water pipe is just filled with the heating water amount; when the key instruction is to enable the zero water pressure function, starting the circulating pump to pressurize the water channel; and when the key instruction is to enable the zero hot water function, controlling the water heater to close heating so as to clear heat of the water heater and hot water in the hot water pipe.
2. The water heater with the functions of zero cold water, zero water pressure and zero hot water according to claim 1, wherein the cold water pipe comprises a return cold water pipe and a water using cold water pipe, a plurality of water using points are connected to the water using cold water pipe, if a user does not install the return cold water pipe, a one-way valve for conducting the hot water pipe to the water using cold water pipe in a one-way manner is arranged at the water using point farthest from the water heater, so that the water using cold water pipe, the hot water pipe and the circulating pump form a circulating loop; if the backwater cold water pipe is installed by a user, a one-way valve which conducts the hot water pipe to the backwater cold water pipe in a one-way mode is arranged at the position, farthest from the water heater, of the water using point, and the one-way valve is connected to the water inlet of the water heater through the backwater cold water pipe, so that the hot water pipe, the backwater cold water pipe and the circulating pump form a circulating loop.
3. The water heater with zero cold water, zero water pressure and zero hot water functions as claimed in claim 1, wherein the key unit is used for receiving preheating time t0And time to clear heat t1Will t0And t1Sending the signal to a control module, wherein the singlechip further comprises a timing module which is used for acquiring real-time preheating time t2And time t for clearing heat in real time3And will t2And t3Sending the data to a control module; the control module is used for preheating time t in real time2Is equal to the preheating time t0When the temperature is high, controlling the circulating pump to be closed; the control module is used for clearing heat in real time t3Less than the heat-clearing time t1And controlling the water heater to close heating.
4. A water heater with zero cold water, zero water pressure and zero hot water functions as claimed in claim 1, wherein the key unit is further used for receiving a preheating water quantity q0And amount of Heat-clearing Water q1And q is0And q is1The water flow sensor is also arranged in the water heater, and the singlechip further comprises a timing module and a water amount calculation module; the water flow sensor is used for detecting the flow rate of water flow passing through the water heater and sending the flow rate to the water amount calculation module; the timing module is used for monitoring the time of water flow passing through the water flow sensor continuously in a single time and sending the time to the waterAn amount calculation module; the water quantity calculation module calculates to obtain real-time preheated water quantity q according to the flow speed and the time2And the real-time heat-clearing water quantity q3And q is2And q is3Sending the water to the control module, wherein the control module is used for preheating the water quantity q in real time2Equal to the amount of preheated water q0When the temperature is high, controlling the circulating pump to be closed; the control module is used for clearing away heat water q in real time3Less than the amount q of heat-clearing water1And controlling the water heater to close heating.
5. The water heater with zero cold water, zero water pressure, zero hot water function of claim 1, wherein the water heater is a gas water heater or an electric water heater.
6. The water heater with the functions of zero cold water, zero water pressure and zero hot water according to any one of claims 1 to 5, wherein the controller further comprises a display unit and a sound unit, the display unit is used for receiving and displaying the display information sent by the control module, and the sound unit is used for receiving and playing the sound information sent by the control module.
7. The working method of the water heater with the functions of zero cold water, zero water pressure and zero hot water is characterized in that the water heater with the functions of zero cold water, zero water pressure and zero hot water as claimed in any one of claims 1 to 6 is adopted, after the water heater is installed, the zero cold water function is enabled by pressing a zero cold water key, and the zero water pressure function is enabled by pressing a zero water pressure key; pressing a zero hot water key to enable a zero hot water function; and includes any two or three of the following steps:
s1, before a user uses water, triggering the water heater to start a circulating pump through a zero cold water inching mode, and starting heating after water flows exist so as to circularly preheat the water heater and water stored in a hot water pipe;
s2, when the user uses water and has water flow, the water heater starts the circulating pump to pressurize the water channel;
and S3, when the water consumption of the user is finished, triggering the water heater to stop heating through a zero hot water inching mode, and circularly clearing heat for the water heater and the water stored in the hot water pipe.
8. The method of operating a water heater with zero cold water, zero water pressure and zero hot water functions as claimed in claim 7, wherein in step S1, when the zero cold water function is enabled, the water consumption point on the hot water pipe is turned on for a period of time and then turned off, and the time counting unit obtains the time interval t from the turning on to the turning off of the water consumption point4The zero cold water inching mode calculation unit receives the time interval t recorded by the timing unit4And separating the time interval t4Minimum inching interval time t preset with the single chip microcomputer5And a maximum jog interval time t6Making a comparison when t5<t4<t6And triggering the control module to start the circulating pump to start preheating.
9. The method of operating a water heater with zero cold water, zero water pressure and zero hot water function as claimed in claim 7, wherein the water consumption point is turned off for a certain period of time and then turned on in the case of enabling the zero hot water function in step S3, and the time counting unit obtains the time interval t from turning off to turning on of the water consumption point7The zero hot water inching mode calculation unit receives the time interval t recorded by the timing unit7And separating the time interval t7Minimum inching interval time t preset with the single chip microcomputer5And a maximum jog interval time t6Making a comparison when t5<t7<t6And when the water heater is heated, the control module is triggered to drive the water heater to stop heating.
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| CN202110127980.1A CN112856825A (en) | 2021-01-29 | 2021-01-29 | Water heater with zero cold water, zero water pressure and zero hot water functions and working method |
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| US20090266426A1 (en) * | 2008-04-29 | 2009-10-29 | Lee Yu-Tuan | Hot water system |
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| CN112050477A (en) * | 2020-10-21 | 2020-12-08 | 佛山市九零物联科技有限公司 | Water heater control system with zero hot water function and working method |
| CN112082272A (en) * | 2020-10-21 | 2020-12-15 | 佛山市九零物联科技有限公司 | Water heater control system with zero cold water function and working method |
| CN112097401A (en) * | 2020-10-21 | 2020-12-18 | 佛山市九零物联科技有限公司 | Water heater control system with zero water pressure function and working method |
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- 2021-01-29 CN CN202110127980.1A patent/CN112856825A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20090266426A1 (en) * | 2008-04-29 | 2009-10-29 | Lee Yu-Tuan | Hot water system |
| CN111397216A (en) * | 2020-03-25 | 2020-07-10 | 广东万和新电气股份有限公司 | Zero-cold-water control method and device for water heater, water heater and computer equipment |
| CN112050477A (en) * | 2020-10-21 | 2020-12-08 | 佛山市九零物联科技有限公司 | Water heater control system with zero hot water function and working method |
| CN112082272A (en) * | 2020-10-21 | 2020-12-15 | 佛山市九零物联科技有限公司 | Water heater control system with zero cold water function and working method |
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Application publication date: 20210528 |