WO2015024535A1 - 热水器及其的排污装置和排污控制方法 - Google Patents

热水器及其的排污装置和排污控制方法 Download PDF

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Publication number
WO2015024535A1
WO2015024535A1 PCT/CN2014/087886 CN2014087886W WO2015024535A1 WO 2015024535 A1 WO2015024535 A1 WO 2015024535A1 CN 2014087886 W CN2014087886 W CN 2014087886W WO 2015024535 A1 WO2015024535 A1 WO 2015024535A1
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WO
WIPO (PCT)
Prior art keywords
sewage
water heater
water
valve
controller
Prior art date
Application number
PCT/CN2014/087886
Other languages
English (en)
French (fr)
Inventor
江渝
王明
曲绍鹤
Original Assignee
芜湖美的厨卫电器制造有限公司
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Publication date
Priority claimed from CN201310374001.8A external-priority patent/CN104101095B/zh
Priority claimed from CN201320520006.2U external-priority patent/CN203501462U/zh
Application filed by 芜湖美的厨卫电器制造有限公司 filed Critical 芜湖美的厨卫电器制造有限公司
Publication of WO2015024535A1 publication Critical patent/WO2015024535A1/zh

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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
    • F24H9/0042—Cleaning arrangements
    • 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
    • F24H15/00—Control of fluid heaters
    • F24H15/10—Control of fluid heaters characterised by the purpose of the control
    • F24H15/14—Cleaning; Sterilising; Preventing contamination by bacteria or microorganisms, e.g. by replacing fluid in tanks or conduits
    • 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
    • F24H15/00—Control of fluid heaters
    • F24H15/20—Control of fluid heaters characterised by control inputs
    • F24H15/246—Water level
    • 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
    • F24H15/00—Control of fluid heaters
    • F24H15/20—Control of fluid heaters characterised by control inputs
    • F24H15/281—Input from user
    • 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
    • F24H15/00—Control of fluid heaters
    • F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
    • F24H15/305—Control of valves
    • F24H15/31—Control of valves of valves having only one inlet port and one outlet port, e.g. flow rate regulating valves
    • 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
    • F24H15/00—Control of fluid heaters
    • F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
    • F24H15/395—Information to users, e.g. alarms
    • 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
    • F24H15/00—Control of fluid heaters
    • F24H15/40—Control of fluid heaters characterised by the type of controllers
    • F24H15/414—Control of fluid heaters characterised by the type of controllers using electronic processing, e.g. computer-based
    • 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
    • F24H9/133—Storage heaters
    • 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
    • F24H9/16—Arrangements for water drainage 
    • 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
    • F24H9/2021—Storage heaters
    • 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
    • F24H9/25—Arrangement or mounting of control or safety devices of remote control devices or control-panels

Definitions

  • the invention relates to the technical field of water heaters, in particular to a water heater and a sewage discharge device thereof and a sewage control method.
  • the existing technical solutions for sewage treatment or cleaning of water heaters are mainly divided into two categories: one is that there is no sewage valve, and it is necessary for a professional to use a special tool to achieve sewage discharge and cleaning of the water heater liner, which is inconvenient for the user. Cleaning and maintenance; the other type is a sewage valve. It only needs to open the switch of the sewage valve to realize the sewage discharge to the water heater liner.
  • the sewage treatment effect of this scheme is not good, the efficiency is relatively low, and it brings people's life. It is greatly inconvenient and cannot meet the needs of users.
  • the object of the present invention is to solve the above-mentioned technical problems at least to some extent.
  • a first object of the present invention is to provide a sewage discharge device for a water heater which can discharge sewage from a liner quickly and efficiently, and can flush the liner to better meet people's needs.
  • a second object of the present invention is to provide a water heater having the same, and a third object of the present invention is to provide a sewage control method for a water heater.
  • a first aspect of the present invention provides a sewage device for a water heater, comprising: a sewage pipe connected to a liner of the water heater; connected to the sewage pipe and controlling the sewage a drain valve of the tube; an intake pipe connected to the inner tank; an intake valve connected to the intake pipe and controlling the intake pipe; connected to an inlet pipe of the water heater and controlling the inlet pipe a water inlet valve; the controller is connected to the drain valve, the intake valve, and the water inlet valve, respectively, and after the controller receives the blowdown command, the controller controls the The drain valve opens and controls the inlet valve to close, while controlling the intake valve to open to enter the bladder.
  • the sewage device of the water heater can intelligently control the opening or closing of the sewage valve, the water inlet valve and the intake valve of the water heater according to the sewage discharge instruction, thereby realizing the rapid discharge of the sewage in the water heater liner, so as to provide more people Clean and hygienic bathing water to better meet people's needs.
  • the sewage device of the water heater has a simple structure and is easy to implement.
  • the sewage device of the water heater further includes: a detector, a The detector detects the water level in the bladder.
  • the sewage device of the water heater further includes: an emptying indicator light, the emptying indicator light is disposed on a control panel of the water heater, and the emptying indicator light is The controller is connected, and when the usage time of the water heater reaches a preset sewage treatment time, the controller controls the emptying indicator to lightly flash to remind the user to perform sewage discharge.
  • the warning indicator of the emptying indicator light the user is regularly reminded to discharge the sewage, so that the user can timely understand the sanitary condition of the water heater liner.
  • the sewage device of the water heater further includes: a residual water prompt lamp for displaying a remaining amount of the sewage in the inner tank under the control of the controller, A residual water reminder light is disposed on the control panel of the water heater and connected to the controller.
  • the remaining water prompt light can make the user more intuitively understand the remaining amount of sewage in the inner tank, so that the user can understand the emptying process in time.
  • the controller intermittently opens the inlet valve and maintains the drain valve open to flush the liner.
  • the controller intermittently opening the inlet valve, the water heater liner is flushed to improve the cleanliness of the liner.
  • the controller controls the water inlet valve to open and close the drain valve, and closes when the water level in the inner tank reaches a preset water level The exhaust valve.
  • an embodiment of the second aspect of the present invention provides a water heater comprising the sewage device of the water heater according to the first aspect.
  • the water heater can realize intelligent control to quickly discharge the sewage in the water heater liner, and can flush the inner tank of the water heater, thereby providing people with cleaner and sanitary bath water to better meet people's needs.
  • the invention can also realize the functions of periodically reminding the user to perform sewage discharge, real-time display of the emptying process, and emptying reminders.
  • a third aspect of the present invention provides a method for controlling a sewage discharge of a water heater, comprising the following steps:
  • the sewage valve of the water heater is controlled to be opened and the water inlet valve is controlled to be closed, and air is introduced into the inner tank of the water heater.
  • the sewage valve and the water inlet valve of the water heater can be intelligently controlled to be turned on or off according to the sewage discharge instruction, and the air is introduced into the inner tank of the water heater, thereby realizing the sewage in the water heater liner.
  • the water discharge control method of the water heater is simple and reliable.
  • the sewage control method of the water heater further includes:
  • the water heater liner is flushed to improve the cleanliness of the liner.
  • the sewage control method of the water heater further includes:
  • FIG. 1 is a schematic structural view of a sewage discharge device of a water heater according to an embodiment of the present invention
  • FIG. 2 is a schematic diagram of a control panel in accordance with one embodiment of the present invention.
  • FIG. 3 is a block diagram of a sewage device of a water heater in accordance with one embodiment of the present invention.
  • FIG. 4 is a flow chart of a method for controlling blowdown of a water heater according to an embodiment of the present invention
  • FIG. 5 is a flow chart of a method of controlling blowdown of a water heater according to an embodiment of the present invention
  • FIG. 6 is a flow chart of a method of controlling blowdown of a water heater in accordance with an embodiment of the present invention.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Or implicitly indicate the number of technical features indicated. Thus, features defining “first” and “second” may include one or more of the features either explicitly or implicitly. In the description of the present invention, the meaning of "a plurality" is two or more unless specifically and specifically defined otherwise.
  • a sewage discharge device of a water heater includes a drain pipe 20, a drain valve 30, an intake pipe 50, an intake valve 60, a water inlet valve 80, and a controller 90.
  • the sewage pipe 20 is connected to the inner tank 10 of the water heater, and the sewage valve 30 is connected to the sewage pipe 20 for controlling the sewage pipe 20.
  • the intake pipe 50 is connected to the inner casing 10
  • the intake valve 60 is connected to the intake pipe 50
  • the intake valve 60 is used to control the intake pipe 50.
  • the inlet valve 80 is connected to the inlet pipe 70 of the water heater for controlling the inlet pipe 70.
  • the controller 90 is connected to the drain valve 30, the intake valve 60 and the water inlet valve 80, respectively. After the controller 90 receives the blowdown command, the controller 90 controls the drain valve 30 to open and controls the inlet valve 80 to close, while controlling the intake air. Valve 60 opens to allow air to enter the bladder 10.
  • the intake pipe 50 is connected to an outlet pipe 40 disposed in the water heater liner 10, specifically, the outlet pipe 40 is connected to the tee pipe joint 107.
  • the gas pipe 50 is connected to an external water outlet pipe. That is, when the water heater discharges, the outside air enters from the intake pipe 50, enters the inner tank 10 of the water heater via the tee joint 107 and the outlet pipe 40, so that the sewage in the inner tank 10 is quickly discharged.
  • the water heater further includes a decorative cover (not shown), a housing 100, an insulating layer 103, a heating tube 104, and a safety valve 106, which are known to those skilled in the art. , not described here.
  • the sewage device of the water heater further includes a magnesium rod 101 and a water-passing bushing 102.
  • the water-passing bushing 102 has a tubular shape, the side wall has a water outlet hole, and one end of the water-passing bushing 102 and the magnesium rod 101 is connected, and the other end of the water-passing bushing 102 is connected to the drain valve 30.
  • the controller 90 receives the blowdown command, the controller 90
  • the blowdown valve 30 is controlled to open and control the inlet valve 80 to close, while controlling the intake valve 60 to open to enter the air into the inner tank 10, that is, the blowdown valve 30 is in an open state, the inlet valve 80 is in a closed state, and the intake valve 60 is in an open state.
  • the sewage in the inner tank 10 can pass through the water outlet hole of the water-passing bushing 102, and flows through the water bushing 102, the drain valve 30, and the drain pipe 20, thereby being discharged to the outside of the water heater liner 10.
  • the outside air enters from the intake pipe 50, enters the inner tank 10 of the water heater via the outlet pipe 40, so that the sewage in the inner tank 10 is quickly discharged, thereby providing a cleaner and sanitary bathing water for the people.
  • the sewage device can intelligently control the opening or closing of the sewage valve, the water inlet valve and the intake valve of the water heater according to the sewage instruction, thereby rapidly discharging the sewage in the water heater liner, thereby providing the people with Cleaner, more hygienic bathing water to better meet people's needs.
  • the water heater further includes a control panel 105.
  • the control panel 105 is electrically connected to the controller 90. It can be understood that the control panel 105 is an operation interface of the user.
  • 2 is a schematic diagram of a control panel in accordance with one embodiment of the present invention.
  • the user can operate the water heater by operating a button on the control panel 105. For example, the user wants to set the heating or/and the water temperature, and the temperature of the water temperature or/and the water can be adjusted by the inner tank 10 through the corresponding button on the control panel 105. Temperature, you can also turn the water heater on or off with the switch button.
  • the sewage device of the water heater further includes an emptying indicator light 108.
  • the emptying indicator light 108 is disposed on the control panel 105 of the water heater, and the emptying indicator light 108 is connected to the controller 90.
  • the control emptying indicator light 108 is flashing to remind the user to perform sewage discharge. It can be understood that the preset sewage treatment time can be set according to actual conditions. Therefore, the warning indicator 108 is used to promptly prompt the user to discharge the sewage, so that the user can timely understand the sanitary condition of the water heater liner.
  • the control panel 105 includes an empty switch button 109.
  • the user can operate the drain switch button 109 to send a blowdown command to the controller 90, and when the controller 90 receives the blowdown command. Thereafter, the controller 90 controls the opening or closing of the drain valve 30, the water inlet valve 80, and the intake valve 60. That is to say, the user can realize intelligent control to quickly discharge the sewage in the water heater liner 10 by draining the switch button 109, which is simple in operation and improves the user experience.
  • the sewage device of the water heater further includes a power module 200, and the power module 200 can supply power to the controller 90.
  • the sewage disposal device further includes an emergency processing circuit (not shown). If the power failure occurs during the sewage discharge process of the water heater liner 10, the emergency processing circuit can automatically The drain valve 30 is closed, the drain is stopped, and the power-off reset is controlled.
  • the sewage device of the water heater further includes a detector 300 electrically connected to the controller 90 for detecting the water level in the inner tank 10. .
  • the sewage device of the water heater further includes a residual water prompt light 110.
  • the residual water reminder light 110 is disposed on the control panel 105 of the water heater, and the residual water prompt light 110 Connected to the controller 90, the residual water reminder light 110 is used to display the remaining amount of sewage in the inner tank 10 under the control of the controller 90, specifically, when the sewage in the inner tank 10 starts to be discharged, the control panel 105
  • the remaining water reminder light 110 is flashing, prompting the user to perform sewage discharge, and displaying the emptying process in real time. Therefore, the remaining water prompt light can make the user more intuitively understand the remaining amount of sewage in the inner tank, so that the user can understand the emptying process in time.
  • the residual water indicating light 110 when the sewage is emptied, the residual water indicating light 110 is lit and flashes, and a buzzer sounds to indicate that the sewage in the user's bladder 10 has been emptied.
  • the residual water reminder light 110 can be shared with the remaining hot water amount indicating light of the water heater, that is, the amount of remaining sewage is displayed by the amount of the remaining hot water indicating light, and the percentage data is It shows that the remaining amount of sewage in the liner 10 is more intuitive.
  • the controller 90 intermittently opens the inlet valve 80 and keeps the drain valve 30 open to flush the liner 10. For example, after the detector detects that the sewage in the liner 10 is vented, the controller 90 intermittently opens the inlet valve 80 and keeps the drain valve 30 open to flush the liner 10. Alternatively, when the sewage in the inner liner 10 is nearly empty, the controller 90 intermittently opens the inlet valve 80 and keeps the drain valve 30 open to flush the liner 10. Thereby, the water heater liner 10 is flushed by intermittently opening the water inlet valve 80 to improve the cleanliness of the inner liner 10.
  • the controller 90 controls the water inlet valve 80 to open and close the drain valve 30, and when the water level in the inner liner 10 reaches a preset water level, the exhaust valve 60 is closed.
  • the preset water level may be the water level when the water heater is full of water.
  • the inner tank 10 is flushed for a period of time, for example, for 1 minute, and the controller 90 controls the inlet valve 80 to open and close the drain valve 30. At this time, the air in the inner tank 10 passes through the outlet pipe 40 and the tee fitting.
  • the intake valve 60, the intake pipe 50, discharged from the inner tank 10 cold water enters from the external inlet pipe, flows through the inlet valve 80, the safety valve 106, the inlet pipe 70 into the inner tank 10, when the inner tank of the water heater
  • the controller 90 closes the intake valve 60, at which time the water heater returns to a normal state.
  • the drain valve 30 in the closed state, the inlet valve 80 is in the open state, and the intake valve 60 is in the closed state, and the user can operate the water heater by operating the button on the control panel 105.
  • the user wants to set the heating or/and the water temperature, the temperature of the water temperature of the inner tank 10 or/and the temperature of the water can be adjusted through the corresponding button on the control panel 105 to realize the general function of the water heater.
  • the sewage device of the water heater can intelligently control the opening or closing of the sewage valve, the water inlet valve and the intake valve of the water heater according to the sewage instruction, thereby realizing the rapid sewage in the water heater liner. Discharged, and can wash the inner tank of the water heater, the sewage effect is good, can provide people with more clear Clean and hygienic bathing water, at the same time, can realize the functions of regularly reminding users to carry out sewage discharge and real-time display of emptying process and emptying reminder.
  • the sewage device of the water heater has a simple structure and is easy to implement.
  • a water heater according to an embodiment of the present invention includes the sewage device of the water heater according to the first aspect.
  • the water heater further includes a water temperature detecting module and a power-off memory module, wherein the water temperature detecting module is, for example, a temperature sensor for detecting water temperature information, and the power-off memory module can implement a power-off memory function, automatically Memory work status, convenient and worry-free.
  • the water temperature detecting module is, for example, a temperature sensor for detecting water temperature information
  • the power-off memory module can implement a power-off memory function, automatically Memory work status, convenient and worry-free.
  • the water heater according to the embodiment of the invention can realize intelligent control to quickly discharge the sewage in the water heater liner, and can flush the inner tank of the water heater, thereby providing people with cleaner and sanitary bathing water to better satisfy people. Demand.
  • the invention can also realize the functions of periodically reminding the user to perform sewage discharge, real-time display of the emptying process, and emptying reminders.
  • the water heater is convenient, fast, energy-saving and more user-friendly.
  • a sewage control method for a water heater according to an embodiment of the present invention includes the following steps:
  • step S1 it is judged whether the sewage discharge instruction is received, and if yes, step S2 is performed, otherwise the judgment is continued.
  • the sewage valve of the control water heater is opened and the inlet valve is closed, and the air is introduced into the inner tank of the water heater.
  • the drain valve of the water heater is controlled to be opened and the inlet valve is closed, and air is introduced into the inner tank of the water heater.
  • the water heater includes a drain valve and a water inlet valve. In a normal state, the drain valve is in a closed state, and the water inlet valve is in an open state. Therefore, in a specific example of the present invention, the water inlet valve can be normally Open the solenoid valve, the drain valve can be a normally closed electric blowdown valve. That is to say, when the water heater receives the sewage discharge command, the sewage control valve is opened and the water inlet valve is closed.
  • the sewage in the water heater liner starts to be discharged, and when the water heater starts to discharge, the air is simultaneously introduced into the inner tank of the water heater. Therefore, the sewage in the inner tank is quickly discharged, and the sewage discharge efficiency is improved.
  • the water discharge control method of the water heater further includes:
  • step S3 determining whether the sewage in the liner is empty. If yes, go to step S4, otherwise return to continue judgment.
  • the water inlet valve is intermittently opened and the drain valve is kept open to flush the inner tank. Specifically, after detecting the emptying of the sewage in the water heater liner, intermittently opening the water inlet valve and keeping the drain valve open to flush the inner tank, thereby intermittently opening the water inlet valve to the water heater The gallbladder is rinsed to improve the cleanliness of the liner.
  • the water discharge control method of the water heater further includes:
  • step S5 it is judged whether the flushing is completed. If yes, step S6 is performed, otherwise the determination is continued.
  • step S6 After the water tank liner flushing time reaches a preset time, for example, 1 minute of flushing, it is judged that the flushing is completed, and the process proceeds to step S6.
  • a preset time for example, 1 minute of flushing
  • the inlet valve is controlled to open and close the drain valve, and when the water level in the inner tank reaches the preset water level, the inner tank is sealed again.
  • the preset water level may be the water level when the water heater is full of water. Specifically, after the flushing is completed, the inlet valve is controlled to open and the drain valve is closed. At this time, the air in the liner is controlled to be discharged, and the cold water enters the tank. When the water in the tank of the water heater is full, the air is sealed again. Bold, return to normal state.
  • the sewage valve and the water inlet valve of the water heater can be intelligently controlled to be turned on or off according to the sewage discharge instruction, and the air is introduced into the inner tank of the water heater, thereby realizing the sewage in the water heater liner. It can be quickly discharged, and can flush the inner tank of the water heater.
  • the sewage discharge effect is good, and it can provide people with cleaner and sanitary bathing water to better meet people's needs.
  • the water discharge control method of the water heater is simple and reliable.
  • a "computer-readable medium” can be any apparatus that can contain, store, communicate, propagate, or transport a program for use in an instruction execution system, apparatus, or device, or in conjunction with the instruction execution system, apparatus, or device.
  • computer readable media include the following: electrical connections (electronic devices) having one or more wires, portable computer disk cartridges (magnetic devices), random access memory (RAM), Read only memory (ROM), erasable editable read only memory (EPROM or flash memory), fiber optic devices, and portable compact disk read only memory (CDROM).
  • the computer readable medium may even be a paper or other suitable medium on which the program can be printed, as it may be optically scanned, for example by paper or other medium, followed by editing, interpretation or, if appropriate, other suitable The method is processed to obtain the program electronically and then stored in computer memory.
  • portions of the invention may be implemented in hardware, software, firmware or a combination thereof.
  • multiple steps or methods may be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system.
  • a suitable instruction execution system For example, if implemented in hardware, as in another embodiment, it can be implemented by any one or combination of the following techniques well known in the art: having logic gates for implementing logic functions on data signals. Discrete logic circuits, application specific integrated circuits with suitable combinational logic gates, programmable gate arrays (PGAs), field programmable gate arrays (FPGAs), etc.
  • each functional unit in each embodiment of the present invention may be integrated into one processing module, or each unit may exist physically separately, or two or more units may be integrated into one module.
  • the above integrated modules can be implemented in the form of hardware or in the form of software functional modules.
  • the integrated modules, if implemented in the form of software functional modules and sold or used as stand-alone products, may also be stored in a computer readable storage medium.
  • the above mentioned storage medium may be a read only memory, a magnetic disk or an optical disk or the like.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Fluid Mechanics (AREA)
  • Control For Baths (AREA)

Abstract

一种热水器的排污装置，包括：排污管（20），排污管（20）与热水器的内胆（10）相连；与排污管（20）相连且控制排污管（20）的排污阀（30）；进气管（50），进气管（50）与内胆（10）相连；与进气管（50）相连且控制进气管（50）的进气阀（60）；与热水器的进水管（70）相连且控制进水管（70）的进水阀（80）；控制器（90），控制器（90）分别与排污阀（30）、进气阀（60）以及进水阀（80）相连，当控制器（90）接收到排污指令之后，控制器（90）控制排污阀（30）开启并控制进水阀（80）关闭，同时控制进气阀（60）开启以向内胆中进入空气。还公开了一种热水器的排污控制方法。

Description

热水器及其的排污装置和排污控制方法 技术领域
本发明涉及热水器技术领域，特别涉及一种热水器及其的排污装置和排污控制方法。
背景技术
目前，现有的对热水器进行排污或清洗的技术方案主要分为两类：一类是没有排污阀的，需要专业人员利用专用工具才可以实现对热水器内胆的排污和清洗，不便于用户自行清洗和维护；另一类是有排污阀的，只需打开排污阀的开关就可以实现对热水器内胆的排污，但是，该方案的排污效果不好，效率比较低，给人们的生活带来了极大地不便，不能满足用户的需求。
发明内容
本发明的目的旨在至少在一定程度上解决上述的技术问题。
为此，本发明的第一个目的在于提出一种热水器的排污装置，该排污装置可以快速高效地将污水从内胆中排出，并能够对内胆进行冲洗，更好地满足人们的需求。本发明的第二个目的在于提出一种具有该排污装置的热水器，本发明的第三个目的在于提出一种热水器的排污控制方法。
为达到上述目的，本发明第一方面实施例提出了一种热水器的排污装置，包括：排污管，所述排污管与所述热水器的内胆相连；与所述排污管相连且控制所述排污管的排污阀；进气管，所述进气管与所述内胆相连；与所述进气管相连且控制所述进气管的进气阀；与所述热水器的进水管相连且控制所述进水管的进水阀；控制器，所述控制器分别与所述排污阀、所述进气阀以及所述进水阀相连，当所述控制器接收到排污指令之后，所述控制器控制所述排污阀开启并控制所述进水阀关闭，同时控制所述进气阀开启以向所述内胆中进入空气。
根据本发明实施例的热水器的排污装置，可以根据排污指令智能控制热水器的排污阀、进水阀和进气阀的开启或关闭，从而实现快速将热水器内胆中的污水排出，以为人们提供更加清洁、卫生的洗浴用水，更好地满足人们的需求。此外，该热水器的排污装置结构简单，易于实现。
其中，在本发明的一个实施例中，所述的热水器的排污装置还包括：检测器，所 述检测器检测所述内胆中的水位。
进一步地，在本发明的一个实施例中，所述的热水器的排污装置还包括：排空指示灯，所述排空指示灯设置在所述热水器的控制面板上且所述排空指示灯与所述控制器相连，所述控制器在所述热水器的使用时间达到预设排污处理时间时，控制所述排空指示灯点亮闪烁以提醒用户进行排污。
由此，通过排空指示灯预警提示，定期提醒用户排污，使用户及时了解热水器内胆的卫生状况。
进一步地，在本发明的一个实施例中，所述的热水器的排污装置还包括：用于在所述控制器的控制下显示所述内胆中污水的剩余量的余水提示灯，所述余水提示灯设置在所述热水器的控制面板上且与所述控制器相连。
由此，通过余水提示灯可以使用户更加直观地了解内胆中污水的剩余量，从而使用户及时了解排空进程。
进一步地，在本发明的一个实施例中，所述控制器断续地开启所述进水阀并保持所述排污阀开启以对所述内胆进行冲洗。由此，通过断续开启进水阀，对热水器内胆进行冲洗，提高内胆的清洁度。
进一步地，在本发明的一个实施例中，当冲洗完毕之后，所述控制器控制所述进水阀开启并关闭所述排污阀，以及在所述内胆中水位达到预设水位时，关闭所述排气阀。
为达到上述目的，本发明第二方面实施例提出了一种热水器，该热水器包括第一方面实施例提出的热水器的排污装置。该热水器可以实现智能控制将热水器内胆中的污水快速排出，并能够对热水器的内胆进行冲洗，从而为人们提供更加清洁、卫生的洗浴用水，更好地满足人们的需求。此外，本发明还能够实现定期提醒用户需要进行排污及实时显示排空进程、排空提醒等功能。
为达到上述目的，本发明第三方面实施例提出了一种热水器的排污控制方法，包括如下步骤：
S1，判断是否接收到排污指令；
S2，如果判断接收到所述排污指令，则控制热水器的排污阀开启并控制进水阀关闭，同时向所述热水器的内胆中进入空气。
根据本发明实施例的热水器的排污控制方法，可以根据排污指令智能控制热水器的排污阀和进水阀的开启或关闭，并向热水器的内胆中进入空气，从而实现将热水器内胆中的污水快速排出，以为人们提供更加清洁、卫生的洗浴用水，更好地满足人们的需求。此外，该热水器的排污控制方法简单、可靠。
进一步地，在本发明的一个实施例中，所述的热水器的排污控制方法还包括：
S3，判断所述内胆中的污水是否排空；
S4，如果是，则断续地开启所述进水阀并保持所述排污阀开启以对所述内胆进行冲洗。
由此，通过断续开启进水阀，对热水器内胆进行冲洗，提高内胆的清洁度。
进一步地，在本发明的一个实施例中，所述的热水器的排污控制方法还包括：
S5，判断冲洗是否完毕；
S6，如果是，则控制所述进水阀开启并关闭所述排污阀，以及在所述内胆中水位达到预设水位时，再次密闭所述内胆。
本发明附加的方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本发明的实践了解到。
附图说明
本发明上述的和/或附加的方面和优点从下面结合附图对实施例的描述中将变得明显和容易理解，其中：
图1为根据本发明实施例的热水器的排污装置的结构示意图；
图2为根据本发明一个实施例的控制面板的示意图；
图3为根据本发明一个实施例的热水器的排污装置的方框图；
图4为根据本发明实施例的热水器的排污控制方法的流程图；
图5为根据本发明一个实施例的热水器的排污控制方法的流程图；以及
图6为根据本发明一个具体实施例的热水器的排污控制方法的流程图。
附图标记：
内胆10、排污管20、排污阀30、出水管40、进气管50、进气阀60、进水管70、进水阀80、控制器90，外壳100、镁棒101、过水衬套102、保温层103、加热管104、控制面板105、安全阀106，三通管接头107、排空指示灯108、排空开关按键109、余水提示灯110，电源模块200、检测器300。
具体实施方式
下面详细描述本发明的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，仅用于解释本发明，而不能解释为对本发明的限制。
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性 或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本发明的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。
在本发明的描述中，需要说明的是，除非另有规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是机械连接或电连接，也可以是两个元件内部的连通，可以是直接相连，也可以通过中间媒介间接相连，对于本领域的普通技术人员而言，可以根据具体情况理解上述术语的具体含义。
参照下面的描述和附图，将清楚本发明的实施例的这些和其他方面。在这些描述和附图中，具体公开了本发明的实施例中的一些特定实施方式，来表示实施本发明的实施例的原理的一些方式，但是应当理解，本发明的实施例的范围不受此限制。相反，本发明的实施例包括落入所附加权利要求书的精神和内涵范围内的所有变化、修改和等同物。
下面参照附图对本发明实施例提出的热水器及其的排污装置和排污控制方法进行描述。
首先参照附图描述本发明第一方面实施例提出的热水器的排污装置。
如图1所示，根据本发明实施例的热水器的排污装置包括：排污管20、排污阀30、进气管50、进气阀60、进水阀80、控制器90。其中，排污管20与热水器的内胆10相连，排污阀30与排污管20相连，用于控制排污管20。进气管50与内胆10相连，进气阀60与进气管50相连，进气阀60用于控制进气管50。进水阀80与热水器的进水管70相连，用于控制进水管70。控制器90分别与排污阀30、进气阀60以及进水阀80相连，当控制器90接收到排污指令之后，控制器90控制排污阀30开启并控制进水阀80关闭，同时控制进气阀60开启以向内胆10中进入空气。
具体地，在本发明的一个实施例中，如图1所示，进气管50与设置在热水器内胆10中的出水管40相连，具体而言，出水管40通过三通管接头107与进气管50和外部出水管相连。即当热水器排污时，外界空气从进气管50进入，经由三通管接头107、出水管40进入热水器的内胆10中，从而使内胆10中的污水快速排出。
更具体地，如图1所示，该热水器还包括装饰外罩(图中未示出)、外壳100、保温层103、加热管104、安全阀106，对于本技术领域人员而言都是已知的，此处不做描述。
如图1所示，该热水器的排污装置还包括镁棒101、过水衬套102，该过水衬套102呈管状设置，其侧壁具有出水孔，过水衬套102的一端与镁棒101相连，过水衬套102的另一端与排污阀30相连。具体而言，当控制器90接收到排污指令之后，控制器90 控制排污阀30开启并控制进水阀80关闭，同时控制进气阀60开启以向内胆10中进入空气，即言，排污阀30处于开启状态、进水阀80处于关闭状态、进气阀60处于开启状态，此时，内胆10中的污水即可通过过水衬套102的出水孔，流经过水衬套102、排污阀30、排污管20，从而排到热水器内胆10的外部，当热水器排污时，外界空气从进气管50进入，经由出水管40进入热水器的内胆10中，从而使内胆10中的污水快速排出，进而为人们提供更加清洁、卫生的洗浴用水。
在本发明的实施例中，该排污装置可以根据排污指令智能控制热水器的排污阀、进水阀和进气阀的开启或关闭，从而实现快速将热水器内胆中的污水排出，进而为人们提供更加清洁、卫生的洗浴用水，更好地满足人们的需求。
需要说明的是，如图1所示，该热水器还包括控制面板105，控制面板105与控制器90电连接，可以理解的是，控制面板105为用户的操作界面。图2为根据本发明一个实施例的控制面板的示意图。用户可以通过操作控制面板105上的按键对热水器进行相应的操控，例如，用户想设置加热或/和水温，可通过控制面板105上对应的按键设置内胆10加热水温的温度或/和调节出水温度，还可以通过开关按键开启或关闭热水器。
进一步地，在本发明的一个实施例中，该热水器的排污装置还包括排空指示灯108，如图2所示，排空指示灯108设置在热水器的控制面板105上，且排空指示灯108与控制器90相连，控制器90在热水器的使用时间达到预设排污处理时间时，控制排空指示灯108点亮闪烁以提醒用户进行排污。可以理解的是，预设排污处理时间可以根据实际情况设定。由此，通过排空指示灯108预警提示，定期提醒用户排污，使用户及时了解热水器内胆的卫生状况。
在本发明一个实施例中，如图2所示，控制面板105包括排空开关按键109，用户可以通过操作排空开关按键109以向控制器90发送排污指令，当控制器90接收到排污指令之后，控制器90控制排污阀30、进水阀80及进气阀60的开启或关闭。即言，用户通过排空开关按键109可实现智能控制将热水器内胆10中的污水快速排出，操作简单，提高用户的使用体验。
在本发明一个实施例中，如图3所示，该热水器的排污装置还包括电源模块200，该电源模块200可以为控制器90供电。在本发明的一个具体实施例中，该排污装置还包括应急处理电路(图中未示出)，若在热水器内胆10的排污过程中，突然遇到断电等情况，应急处理电路可以自动将排污阀30关闭，停止排水，实现断电复位的操控。
在本发明的一个实施例中，如图3所示，该热水器的排污装置还包括检测器300，该检测器300与控制器90电连接，该检测器300用于检测内胆10中的水位。
进一步地，在本发明一个实施例中，该热水器的排污装置还包括余水提示灯110，如图2所示，余水提示灯110设置在热水器的控制面板105上，且余水提示灯110与控制器90相连，余水提示灯110用于在控制器90的控制下显示内胆10中污水的剩余量，具体而言，当内胆10中的污水开始外排时，控制面板105上的余水提示灯110点亮闪烁，提示用户正在进行排污，实时显示排空进程。由此，通过余水提示灯可以使用户更加直观地了解内胆中污水的剩余量，从而使用户及时了解排空进程。
在本发明的一个实施例中，当污水排空后，余水提示灯110点亮闪烁，并通过蜂鸣器发出响声，提示用户内胆10中的污水已排空。需要说明的是，在本发明的一个具体实施例中，余水提示灯110可以与热水器的剩余热水量提示灯共用，即通过剩余热水量提示灯亮灯的数量显示剩余污水量，百分比数据化显示内胆10中污水的剩余量，更加直观。
在本发明的一个实施例中，控制器90断续地开启进水阀80并保持排污阀30开启以对内胆10进行冲洗。例如，当检测器检测到内胆10中的污水排空之后，控制器90断续地开启进水阀80并保持排污阀30开启以对内胆10进行冲洗。或者，在内胆10中的污水接近排空时，控制器90断续地开启进水阀80并保持排污阀30开启以对内胆10进行冲洗。由此，通过断续开启进水阀80，对热水器内胆10进行冲洗，提高内胆10的清洁度。
进一步地，在本发明的一个实施例中，当冲洗完毕之后，控制器90控制进水阀80开启并关闭排污阀30，以及在内胆10中水位达到预设水位时，关闭排气阀60。其中，在本发明的一个实施例中，预设水位可以为热水器满水时的水位。具体而言，对内胆10冲洗一段时间，例如冲洗1分钟，控制器90控制进水阀80开启并关闭排污阀30，此时，内胆10中的空气通过出水管40、三通管接头107、进气阀60、进气管50，从内胆10中排出，冷水从外部进水管进入，流经进水阀80、安全阀106、进水管70进入内胆10中，当热水器的内胆10中的水满时，控制器90关闭进气阀60，此时热水器恢复平常状态。
需要说明的是，在热水器的平常状态，排污阀30处于关闭状态，进水阀80处于开启状态，进气阀60处于关闭状态，用户可以通过操作控制面板105上的按键对热水器进行相应的操控，例如，用户想设置加热或/和水温，可通过控制面板105上对应的按键设置内胆10加热水温的温度或/和调节出水温度，实现热水器的一般功能。
综上所述，根据本发明实施例提出的热水器的排污装置，可以根据排污指令智能控制热水器的排污阀、进水阀和进气阀的开启或关闭，从而实现快速将热水器内胆中的污水排出，并能够对热水器的内胆进行冲洗，排污效果好，可以为人们提供更加清 洁、卫生的洗浴用水，同时能够实现定期提醒用户进行排污及实时显示排空进程、排空提醒等功能。此外，该热水器的排污装置结构简单，易于实现。
下面对本发明实施例提出的热水器进行描述。根据本发明实施例提出的热水器，包括第一方面实施例提出的热水器的排污装置。
在本发明的一个实施例中，该热水器还包括水温检测模块、断电记忆模块，其中，水温检测模块例如为温度传感器，用于检测水温信息，断电记忆模块可以实现断电记忆功能，自动记忆工作状态，方便省心。
根据本发明实施例提出的热水器，可以实现智能控制将热水器内胆中的污水快速排出，并能够对热水器的内胆进行冲洗，从而为人们提供更加清洁、卫生的洗浴用水，更好地满足人们的需求。此外，本发明还能够实现定期提醒用户需要进行排污及实时显示排空进程、排空提醒等功能。此外，该热水器使用方便、快捷、节能，更加人性化。
下面参照附图对本发明实施例提出的热水器的排污控制方法进行描述。如图4所示，根据本发明实施例的热水器的排污控制方法包括如下步骤：
S1，判断是否接收到排污指令，如果是，则执行步骤S2，否则继续判断。
S2，控制热水器的排污阀开启并控制进水阀关闭，同时向热水器的内胆中进入空气。
即言，如果步骤S1判断接收到排污指令，则控制热水器的排污阀开启并控制进水阀关闭，同时向热水器的内胆中进入空气。可以理解的是，该热水器包括排污阀和进水阀，在平常状态时，排污阀处于关闭状态，进水阀处于开启状态，因此，在本发明的一个具体示例中，进水阀可以为常开电磁阀，排污阀可以为常闭电动排污阀。即言，当热水器接收到排污指令之后，控制排污阀开启并控制进水阀关闭，此时，热水器内胆中的污水开始外排，当热水器开始排污时，同时向热水器的内胆中进入空气，从而使内胆中的污水快速排出，提高排污效率。
进一步地，在本发明的一个实施例中，如图5所示，该热水器的排污控制方法还包括：
S3，判断内胆中的污水是否排空。如果是，则执行步骤S4，否则返回继续判断。
S4，断续地开启进水阀并保持排污阀开启以对内胆进行冲洗。
如果步骤S3判断内胆中的污水排空，则断续地开启进水阀并保持排污阀开启以对内胆进行冲洗。具体而言，当检测到热水器内胆中的污水排空之后，断续地开启进水阀并保持排污阀开启以对内胆进行冲洗，由此，通过断续开启进水阀，对热水器内胆进行冲洗，提高内胆的清洁度。
在本发明的一个具体实施例中，如图6所示，该热水器的排污控制方法还包括：
S5，判断冲洗是否完毕。如果是，则执行步骤S6，否则继续判断。
具体地，当对热水器内胆冲洗时间达到预设时间之后，例如冲洗1分钟，判断冲洗完毕，进入步骤S6。
S6，控制进水阀开启并关闭排污阀，以及在内胆中水位达到预设水位时，再次密闭内胆。
其中，在本发明的一个实施例中，预设水位可以为热水器满水时的水位。具体而言，当冲洗完毕之后，控制进水阀开启并关闭排污阀，此时，控制将内胆中的空气排出，冷水进入内胆，当热水器的内胆中的水满时，再次密闭内胆，恢复平常状态。
根据本发明实施例的热水器的排污控制方法，可以根据排污指令智能控制热水器的排污阀和进水阀的开启或关闭，并向热水器的内胆中进入空气，从而实现将热水器内胆中的污水快速排出，并能够对热水器的内胆进行冲洗，排污效果好，可以为人们提供更加清洁、卫生的洗浴用水，更好地满足人们的需求。此外，该热水器的排污控制方法简单、可靠。
流程图中或在此以其他方式描述的任何过程或方法描述可以被理解为，表示包括一个或更多个用于实现特定逻辑功能或过程的步骤的可执行指令的代码的模块、片段或部分，并且本发明的优选实施方式的范围包括另外的实现，其中可以不按所示出或讨论的顺序，包括根据所涉及的功能按基本同时的方式或按相反的顺序，来执行功能，这应被本发明的实施例所属技术领域的技术人员所理解。
在流程图中表示或在此以其他方式描述的逻辑和/或步骤，例如，可以被认为是用于实现逻辑功能的可执行指令的定序列表，可以具体实现在任何计算机可读介质中，以供指令执行系统、装置或设备(如基于计算机的系统、包括处理器的系统或其他可以从指令执行系统、装置或设备取指令并执行指令的系统)使用，或结合这些指令执行系统、装置或设备而使用。就本说明书而言，"计算机可读介质"可以是任何可以包含、存储、通信、传播或传输程序以供指令执行系统、装置或设备或结合这些指令执行系统、装置或设备而使用的装置。计算机可读介质的更具体的示例(非穷尽性列表)包括以下：具有一个或多个布线的电连接部(电子装置)，便携式计算机盘盒(磁装置)，随机存取存储器(RAM)，只读存储器(ROM)，可擦除可编辑只读存储器(EPROM或闪速存储器)，光纤装置，以及便携式光盘只读存储器(CDROM)。另外，计算机可读介质甚至可以是可在其上打印所述程序的纸或其他合适的介质，因为可以例如通过对纸或其他介质进行光学扫描，接着进行编辑、解译或必要时以其他合适方式进行处理来以电子方式获得所述程序，然后将其存储在计算机存储器中。
应当理解，本发明的各部分可以用硬件、软件、固件或它们的组合来实现。在上述实施方式中，多个步骤或方法可以用存储在存储器中且由合适的指令执行系统执行的软件或固件来实现。例如，如果用硬件来实现，和在另一实施方式中一样，可用本领域公知的下列技术中的任一项或他们的组合来实现：具有用于对数据信号实现逻辑功能的逻辑门电路的离散逻辑电路，具有合适的组合逻辑门电路的专用集成电路，可编程门阵列(PGA)，现场可编程门阵列(FPGA)等。本技术领域的普通技术人员可以理解实现上述实施例方法携带的全部或部分步骤是可以通过程序来指令相关的硬件完成，所述的程序可以存储于一种计算机可读存储介质中，该程序在执行时，包括方法实施例的步骤之一或其组合。
此外，在本发明各个实施例中的各功能单元可以集成在一个处理模块中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个模块中。上述集成的模块既可以采用硬件的形式实现，也可以采用软件功能模块的形式实现。所述集成的模块如果以软件功能模块的形式实现并作为独立的产品销售或使用时，也可以存储在一个计算机可读取存储介质中。上述提到的存储介质可以是只读存储器，磁盘或光盘等。
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本发明的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施例或示例中以合适的方式结合。
尽管已经示出和描述了本发明的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型，本发明的范围由所附权利要求及其等同限定。

Claims (10)

  1. 一种热水器的排污装置，其特征在于，包括：
    排污管，所述排污管与所述热水器的内胆相连；
    与所述排污管相连且控制所述排污管的排污阀；
    进气管，所述进气管与所述内胆相连；
    与所述进气管相连且控制所述进气管的进气阀；
    与所述热水器的进水管相连且控制所述进水管的进水阀；
    控制器，所述控制器分别与所述排污阀、所述进气阀以及所述进水阀相连，当所述控制器接收到排污指令之后，所述控制器控制所述排污阀开启并控制所述进水阀关闭，同时控制所述进气阀开启以向所述内胆中进入空气。
  2. 如权利要求1所述的热水器的排污装置，其特征在于，还包括：
    检测器，所述检测器检测所述内胆中的水位。
  3. 如权利要求1或2所述的热水器的排污装置，其特征在于，还包括：
    排空指示灯，所述排空指示灯设置在所述热水器的控制面板上且所述排空指示灯与所述控制器相连，所述控制器在所述热水器的使用时间达到预设排污处理时间时，控制所述排空指示灯点亮闪烁以提醒用户进行排污。
  4. 如权利要求2所述的热水器的排污装置，其特征在于，还包括：
    用于在所述控制器的控制下显示所述内胆中污水的剩余量的余水提示灯，所述余水提示灯设置在所述热水器的控制面板上且与所述控制器相连。
  5. 如权利要求2所述的热水器的排污装置，其特征在于，所述控制器断续地开启所述进水阀并保持所述排污阀开启以对所述内胆进行冲洗。
  6. 如权利要求5所述的热水器的排污装置，其特征在于，当冲洗完毕之后，所述控制器控制所述进水阀开启并关闭所述排污阀，以及在所述内胆中水位达到预设水位时，关闭所述排气阀。
  7. 一种热水器，其特征在于，包括如权利要求1-6任一项所述的排污装置。
  8. 一种热水器的排污控制方法，其特征在于，包括如下步骤：
    S1，判断是否接收到排污指令；
    S2，如果判断接收到所述排污指令，则控制热水器的排污阀开启并控制进水阀关闭，同时向所述热水器的内胆中进入空气。
  9. 如权利要求8所述的热水器的排污控制方法，其特征在于，还包括：
    S3，判断所述内胆中的污水是否排空；
    S4，如果是，则断续地开启所述进水阀并保持所述排污阀开启以对所述内胆进行冲洗。
  10. 如权利要求9所述的热水器的排污控制方法，其特征在于，还包括：
    S5，判断冲洗是否完毕；
    S6，如果是，则控制所述进水阀开启并关闭所述排污阀，以及在所述内胆中水位达到预设水位时，再次密闭所述内胆。
PCT/CN2014/087886 2013-08-23 2014-09-30 热水器及其的排污装置和排污控制方法 WO2015024535A1 (zh)

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