WO2021031596A1 - 一种热水器系统 - Google Patents
一种热水器系统 Download PDFInfo
- Publication number
- WO2021031596A1 WO2021031596A1 PCT/CN2020/086044 CN2020086044W WO2021031596A1 WO 2021031596 A1 WO2021031596 A1 WO 2021031596A1 CN 2020086044 W CN2020086044 W CN 2020086044W WO 2021031596 A1 WO2021031596 A1 WO 2021031596A1
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- WIPO (PCT)
- Prior art keywords
- water
- water heater
- way
- storage tank
- 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
- F24H9/0005—Details 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
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
- F24H9/2028—Continuous-flow heaters
Definitions
- the invention relates to the field of water heaters, in particular to a water heater system.
- the domestic water heaters sold on the market mainly include gas water heaters, water tank heat storage electric water heaters, and instant electric water heaters.
- Gas water heaters have the advantage of realizing instant and continuous hot water supply, but the prerequisites for their use are pipeline gas or gas storage tanks and other gas sources, which are dangerous when used and have low portability.
- the water tank thermal storage electric water heater is simple to use, as long as there is mains power supply, hot water can be supplied, but there is a problem of high water temperature in the water storage tank, continuous heating and storage process, because the scale is not easy Drainage will cause pollution to the water quality in the water storage tank, and the polluted water will easily cause skin allergies and other diseases of users.
- instant electric water heaters and gas water heaters have similar working principles, but their heating method is changed from gas to electricity.
- instant electric water heaters have It has the advantages of fast hot water, high thermal efficiency, no scale formation, safety and environmental protection, and no space.
- instant electric water heaters are used and heated on demand. Because the maximum output power of instant electric water heaters is limited, when the weather is cold, especially the tap water temperature in the north is very low, it is necessary to heat the water to a suitable level. Degree, it will lead to a decrease in water output, which greatly affects the user experience.
- the invention provides a water heater system to solve the technical problems that the hot water output temperature of instant electric water heaters under low temperature conditions is not up to standard and the water flow is too small.
- the invention realizes the structure optimization of the water heater system, realizes hot water compensation, and satisfies heat Water supply demand improves users’ experience of using hot water.
- embodiments of the present invention provide a water heater system, including a water heater, a heat-preserving water storage tank, a controller, a tap water inlet of the water heater, a hot water outlet of the water heater, a normally closed solenoid valve, a four-way piece, and a One tee, water pump;
- the water heater and the heat preservation type water storage tank are equipped with thermocouples for detecting the water temperature, and the controller is respectively connected with the water heater, the heat preservation type water storage tank, the thermocouple, the normally closed solenoid valve, The water pump is electrically connected;
- the tap water inlet end of the water heater is connected to the first end of the four-way piece, the second end of the four-way piece is connected to the first end of the first three-way piece, and the The second end is connected to the water inlet end of the water heater, and the water outlet end of the water heater is connected to the hot water outlet end of the water heater;
- the third end of the four-way piece is connected to the water inlet end of the heat-preserving water storage tank through the water pump, and the water outlet end of the heat-retaining water storage tank is connected to the third end of the first three-way piece;
- the water outlet end of the water heater is connected to the fourth end of the four-way piece through the normally closed solenoid valve.
- the first three-way member is an electronic proportional valve
- the water pump is a circulating water pump
- the electronic proportional valve is electrically connected to the controller.
- the water heater system further includes a first one-way valve, the second end of the four-way piece is connected to the water inlet end of the first one-way valve, and the water outlet end of the first one-way valve is connected to The first end of the first tee is connected;
- the first three-way member is a three-way connector, and the water pump is a circulating water pump with a speed regulating function.
- thermocouple includes a first thermocouple, a second thermocouple, and a third thermocouple electrically connected to the controller;
- the first thermocouple is installed in the inlet pipe of the water heater, the second thermocouple is installed in the outlet pipe of the water heater, and the third thermocouple is installed in the heat-insulating water storage tank .
- the water heater system further includes a first flow meter and a second flow meter respectively electrically connected to the controller;
- the first flow meter is installed in the connecting pipeline between the tap water inlet end of the water heater and the four-way piece, and the second flow meter is installed at the outlet end of the water heater and the hot water outlet end Between the connecting pipeline.
- the four-way member is a four-way valve or a four-way pipe.
- the water heater is an electric water heater or an instant electric water heater.
- the water heater system further includes a second one-way valve
- the hot water outlet of the water heater is connected to the water inlet of the second one-way valve through the hot water use end, the water outlet of the second one-way valve is connected to the tap water inlet, and the tap water inlet is connected to the water heater Tap water inlet.
- the water heater system further includes a second three-way piece and a third one-way valve;
- the hot water outlet end of the water heater is connected to the water inlet of the third one-way valve through the hot water use end, and the water outlet of the third one-way valve is connected to the first end of the second three-way piece.
- the second end of the second three-way piece is connected to the tap water inlet of the water heater, and the third end of the second three-way piece is connected to the tap water inlet.
- the second three-way member is a three-way pipe or a three-way valve.
- the water heater uses electric energy to generate heat to convert the lower temperature water supplied from the tap water inlet end of the water heater into higher temperature water, and finally the hot water flows out through the hot water outlet end of the water heater to achieve hot water Fast supply.
- the hot water produced by the water heater sequentially passes through the water outlet of the water heater, the normally closed solenoid valve, the four-way piece, the water pump, and the heat preservation water storage tank.
- the water end enters the heat preservation type water storage tank for hot water storage, so as to realize the preparation and storage of a large amount of hot water.
- the controller adjusts the relative relationship between the first end and the third end of the electronic proportional valve. Proportion, so that the temperature of the water flowing out of the second end of the electronic proportional valve reaches or is higher than the minimum inlet water temperature under the above relevant conditions.
- part of the tap water at the tap water inlet end of the water heater flows through the first flow meter, the first end and the second end of the four-way piece to the first end of the electronic proportional valve in turn; part of the tap water passes through the The first flow meter, the first end and the third end of the four-way piece flow through the water pump and finally flow into the heat preservation water storage tank.
- the water temperature of the heat-preserving water storage tank will be based on the proportion of the inflowing tap water flow, resulting in a decrease in the water temperature of the water storage.
- the real-time water temperature of the water tank adjusts the ratio between the first end and the third end of the electronic proportional valve.
- the controller turns on the water pump, opens the normally closed solenoid valve, and feeds back the water flow size signal to the controller through the second flow meter to turn on the heating device of the water heater, using the shortest possible
- the time period and the appropriate heating power can increase the water temperature in the heat preservation type water storage tank to the set temperature.
- the water inlet and outlet of the water heater Through the state where the water outlet end of the heat-preserving water storage tank, the third end of the first three-way member (electronic proportional valve or the three-way connector, and the second end are completely connected, and the first end and the second end are completely blocked Bottom), the water inlet and outlet of the water heater, the normally closed solenoid valve, the four-way piece, the water pump, and the water inlet path of the heat-preserving water storage tank to prevent the user from using hot water
- the water in the heat preservation type water storage tank is heated within the time period, so that when the user uses it again, the water temperature at the water inlet end of the water heater can be supplemented, which can solve the problem of the instant electric water heater when the tap water temperature is too low.
- the defects of insufficient water temperature and water flow at the outlet end of the water heater, and excessive load of the power supply circuit are described.
- Figure 1 is a schematic structural diagram of a water heater system in an embodiment of the present invention
- Figure 2 is a schematic structural diagram of a water heater system in an embodiment of the present invention.
- FIGS 3a to 3e respectively show the hot water flow path diagrams of the water heater system in Figure 1;
- FIGS 4a to 4e respectively show the hot water flow path diagram of the water heater system in Figure 2;
- FIG. 5 is a circuit diagram of the water heater system in Figure 1;
- FIG. 6 is a circuit diagram of the water heater system in Figure 2;
- Figure 7 is a schematic diagram of the structure of an electronic proportional valve
- Valve body 13. Cold and hot water mixing chamber; 14. Mixing valve core; 15. Thermocouple; 16. Actuating motor mechanism drive; 17, Control panel; 18. Hot water or cold water inlet; 19, Cold water or heat Water inlet; 20, mixed water outlet.
- a preferred embodiment of the present invention provides a water heater system, including a water heater, a thermal storage tank, a controller, water heater tap water inlet 1, water heater hot water outlet 2, normally closed solenoid valve 3 , The four-way piece 5, the first three-way piece 7, the water pump 4; wherein the first three-way piece 7 is an electronic proportional valve or a three-way connector, and the water heater is an electric water heater or an instant electric water heater, so
- the four-way member 5 is a four-way valve or a four-way pipe, and the water pump 4 is a circulating water pump or a circulating water pump with a speed regulating function.
- thermocouples for detecting water temperature
- the controller is respectively connected with the water heater, the heat-preserving water storage tank, the thermocouple, and the normally closed solenoid valve.
- the water pump is electrically connected; wherein, the thermocouple includes a first thermocouple 10, a second thermocouple 101, and a third thermocouple 102 that are electrically connected to the controller; the first thermocouple 10 is installed in In the inlet pipe of the water heater, the second thermocouple 101 is installed in the outlet pipe of the water heater, and the third thermocouple 102 is installed in the heat-preserving water storage tank.
- the tap water inlet 1 of the water heater is connected to the first end of the four-way piece 5, the second end of the four-way piece 5 is connected to the first end of the first three-way piece 7, and the first The second end of the three-way piece 7 is connected to the water inlet end of the water heater, and the water outlet end of the water heater is connected to the hot water outlet end 2 of the water heater;
- the third end of the four-way piece 5 is connected to the water inlet end of the heat-preserving water storage tank through the water pump, and the water outlet end of the heat-preserving water storage tank is connected to the third end of the first three-way piece 7 ;
- the water outlet end of the water heater is connected to the fourth end of the four-way piece 5 through the normally closed solenoid valve 3.
- the water heater system further includes a first flow meter 9 and a second flow meter 91 respectively electrically connected to the controller;
- the first flow meter 9 is installed on the connecting pipe between the tap water inlet 1 of the water heater and the four-way piece 5, and the second flow meter 91 is installed on the outlet end of the water heater and the heat sink.
- the water heater uses electric energy to generate heat to convert the lower temperature water supplied by the tap water inlet 1 of the water heater into higher temperature water, and finally the heat is discharged through the hot water outlet 2 of the water heater. Water to achieve rapid supply of hot water.
- the hot water produced by the water heater sequentially passes through the outlet end of the water heater, the normally closed solenoid valve 3, the four-way member 5, the water pump, and the inlet of the heat preservation water storage tank.
- the water end enters the heat preservation type water storage tank for hot water storage, so as to realize the preparation and storage of a large amount of hot water.
- the hot water stored in the heat-preserving water storage tank sequentially passes through the water outlet end of the heat-preserving water storage tank and the third end of the first three-way piece 7 (electronic proportional valve or three-way connection) , The second end of the first three-way piece 7 and the water inlet end of the water heater enter the water heater for heating.
- the higher temperature water in the heat preservation water storage tank is The lower temperature water at the tap water inlet 1 of the water heater is mixed to increase the temperature of the tap water entering the water heater, so that the heating effect of the instant electric water heater realizes that hot water can be quickly supplied and heated in a low temperature environment.
- the water temperature meets the use demand and sufficient water volume.
- the heat preservation type water storage tank has a cold water replenishment function, and the tap water of the tap water inlet 1 of the water heater enters the heat preservation type water storage tank through the four-way piece 5 and the water pump to realize cold water replenishment, which can effectively avoid the
- the storage water heater needs to heat the water temperature of the water storage tank too high, causing the problems of scale production and excessive water heater volume.
- the four-way piece 5 can be used Cut off the water inlet of the tap water inlet 1 of the water heater and pass through the outlet end of the heat-preserving water storage tank, the first three-way piece 7 (electronic proportional valve or three-way connector), and the water inlet of the water heater End, the water outlet, the normally closed solenoid valve 3, the four-way piece 5, the water pump 4, and the water inlet path of the heat-preserving water storage tank, so as to keep all the hot water in the time when the user intermittently informs the use of hot water
- the water in the heat preservation type water storage tank is heated, so that when the user continues to use, the water temperature at the water inlet end of the water heater can be supplemented, which can solve the problem of the water temperature and water flow at the water heater outlet when the tap water
- the normally closed solenoid valve 3 is energized and opened, so that the hot water flows from the outlet end of the instant electric water heater—the normally closed solenoid valve 3—the four-way piece 5—the water pump— At the water inlet end of the heat preservation type water storage tank, the hot water finally returns to the heat preservation type water storage tank, thereby increasing the water temperature of the heat preservation type water storage tank.
- the water heater is an instant electric water heater
- the first three-way element 7 is an electronic proportional valve
- the water pump is For the circulating water pump
- the electronic proportional valve is electrically connected with the controller.
- the circuit structure of the water heater system of this embodiment is shown in Figure 5.
- the controller is a central processing unit for controlling the electronic proportional valve, the circulating water pump and other electrical appliances, and can control the first flow rate
- the water flow signal and temperature signal collected by the meter 9, the second flow meter 91, the first thermocouple 10, the second thermocouple 101, and the third thermocouple 102 are processed, and the corresponding Working status.
- thermocouple 101 detects that the maximum heating temperature rise is greater than or equal to the set maximum outlet water temperature minus the water temperature difference of the inlet water temperature
- the first end and the second end of the four-way member 5 are opened, and the The first and second ends of the electronic proportional valve are opened, and the instant electric water heater is started to enter the heating working state, so that the water path is switched to:
- the power of the circulating water pump is turned off, and the water inlet of the electronic proportional valve connected to the heat-preserving water storage tank is completely cut off from the water outlet of the electronic proportional valve, so that the heat-preserving water storage tank is out of use.
- thermocouple 101 detects that the maximum heating temperature rise is less than the set maximum outlet water temperature minus the water temperature difference of the inlet water temperature, the circulating water pump is started and the electronic proportional valve is adjusted when the user is not using it, And start the instant electric water heater to enter the heating working state, so that the water channel is switched to:
- the hot water of the instant electric water heater flows into the heat preservation storage tank through the normally closed solenoid valve 3 and the four-way member 5, so that the hot water of the instant electric water heater and the heat preservation storage tank
- the cold water in the water tank is continuously mixed, so that in the past, the water temperature of the heat-preserving water storage tank gradually rises.
- the circulating water pump is controlled to stop working.
- the instant electric water heater, the normally closed solenoid valve 3, and the heat-preserving water storage tank form a circulating loop, so that the temperature of the water in the heat-preserving water storage tank rises, so that in a low temperature environment, Pre-mixing the warm water from the heat-preserving water storage tank with the cold water at the tap water inlet 1 of the water heater, and then entering the instant electric water heater for heating, can greatly improve the heating efficiency and heating temperature, and is beneficial Ensuring sufficient water supply will help overcome the shortcomings of existing instant electric water heaters, meet water demand in low-temperature environments, and improve user experience.
- Path 1 Water heater tap water inlet 1—the first and second ends of the four-way piece 5—the first and second ends of the electronic proportional valve—the instant electric water heater;
- Path 2 The water outlet end of the heat preservation type water storage tank-the third end and the second end of the electronic proportional valve-the instant electric water heater.
- FIG. 7 the specific structure of the electronic proportional valve is shown in Figure 7, including a valve body 12, a cold and hot water mixing chamber 13, a water mixing valve core 14, and a thermocouple 15 installed in the valve body 12.
- the water mixing valve The core 14 is driven 16 by an actuator motor mechanism which is controlled by a control board 17.
- the valve body 12 has a hot or cold water inlet 18 and a cold water or hot water inlet communicating with the cold and hot water mixing chamber 13 19. Mixed water outlet 20.
- the electronic proportional valve realizes that the tap water with a lower temperature and the water in the heat-preserving storage tank with a higher temperature are mixed first according to the set ratio, and then the mixed water enters the instant electric Heating in the water heater can greatly improve the heating efficiency and heating temperature, and help ensure sufficient water supply, thereby helping to overcome the shortcomings of the existing instant electric water heaters, meeting water demand in low temperature environments, and improving user experience.
- the water heater system further includes a second one-way valve 81; the hot water outlet 2 of the water heater is connected to the water inlet of the second one-way valve 81 through the hot water use end, and the second The water outlet of the one-way valve 81 is connected to the tap water inlet 6, and the tap water inlet 6 is connected to the tap water inlet 1 of the water heater.
- the water temperature compensation path is:
- the water outlet of the instant electric water heater-the hot water outlet of the water heater 2-the hot water use end-the second one-way valve 81-the tap water inlet 6-the water heater tap water inlet 1-the four-way piece 5 The first end and the third end-circulating water pump-the water inlet end of the heat preservation water storage tank.
- the water heater system further includes a second three-way member and a third one-way valve 83; the hot water outlet 2 of the water heater is connected to the inlet of the third one-way valve 83 through the hot water use end.
- the water outlet of the third one-way valve 83 is connected to the first end of the second three-way piece, and the second end of the second three-way piece is connected to the tap water inlet 1 of the water heater.
- the third end of the two or three links is connected to the tap water inlet 6.
- the second three-way member is a three-way pipe or a three-way valve.
- the water temperature compensation path is:
- the outlet end of the instant electric water heater-the hot water outlet end of the water heater 2-the hot water use end-the hot water return pipe-the third one-way valve 83-the first end and the second end of the second three-way End-water heater tap water inlet end 1-the first end and third end of the four-way piece 5-circulating water pump-the water inlet end of the heat preservation water storage tank.
- the water heater is an instant electric water heater, and includes a first one-way valve 8.
- the second end of the four-way member 5 is connected to the first single
- the water inlet end of the valve 8 is connected, and the water outlet end of the first one-way valve 8 is connected with the first end of the first three-way piece 7; the first three-way piece 7 is a three-way connection or a three-way connection.
- the water pump is a circulating water pump with a speed regulating function, and the three-way connector is electrically connected to the controller.
- the controller is a central processing unit, used to control the three-way connector, the circulating water pump with speed regulation function and other electrical appliances, and can The water flow signal and temperature signal collected by the first flow meter 9, the second flow meter 91, the first thermocouple 10, the second thermocouple 101, and the third thermocouple 102 are performed Process and execute the corresponding work status.
- thermocouple 101 detects that the maximum heating temperature rise is greater than or equal to the set maximum outlet water temperature minus the water temperature difference of the inlet water temperature
- the first end and the second end of the four-way member 5 are opened, and the The first end and the second end of the three-way connection are opened, and the instant electric water heater is started to enter the heating working state, so that the water passage is switched to:
- the power supply of the circulating water pump with speed control function is turned off, and the water inlet of the three-way connector at the end of the thermal storage tank and the water outlet of the three-way connector are completely cut off, so that the thermal storage tank is out of service status.
- thermocouple 101 detects that the maximum heating temperature rise is less than the set maximum outlet water temperature minus the water temperature difference of the inlet water temperature
- the circulating water pump with speed regulation function is activated when the user is not using The three-way connector is described, and the instant electric water heater is started to enter the heating working state, so that the water path is switched to:
- the hot water of the instant electric water heater flows into the heat preservation storage tank through the normally closed solenoid valve 3 and the four-way member 5, so that the hot water of the instant electric water heater and the heat preservation storage tank
- the cold water in the water tank is continuously mixed, so that in the past, the water temperature of the heat-preserving water storage tank gradually rises.
- the circulating water pump with speed regulation function is controlled to stop working .
- the instant electric water heater, the normally closed solenoid valve 3, and the heat-preserving water storage tank form a circulating loop, so that the temperature of the water in the heat-preserving water storage tank rises, so that in a low temperature environment, Pre-mixing the warm water from the heat-preserving water storage tank with the cold water at the tap water inlet 1 of the water heater, and then entering the instant electric water heater for heating, can greatly improve the heating efficiency and heating temperature, and is beneficial Ensuring sufficient water supply will help overcome the shortcomings of existing instant electric water heaters, meet water demand in low-temperature environments, and improve user experience.
- the circulating water pump with speed regulation function when it is detected that the water temperature of the tap water is lower than the operating temperature rise limit of the instant electric water heater, when the user uses hot water, the circulating water pump with speed regulation function is started, and the three-way connection performs
- the mechanism drives the corresponding valve core to adjust the corresponding ratio of the two water inlets (the tap water inlet 1 of the water heater and the water outlet of the thermal storage tank) so that the water outlet temperature of the three-way connector reaches or exceeds the water heater's
- the lowest limit water temperature at the water inlet is heated by the operation of the instant electric water heater, so that the water temperature at the outlet of the instant electric water heater reaches the corresponding set temperature, so the water path is switched to:
- Path 1 Water heater tap water inlet 1-the first end and the second end of the four-way piece 5-the first one-way valve 8-the first end and the second end of the three-way connection-instant heating water heater;
- Path 2 The water outlet end of the heat-preserving water storage tank-the third end and the second end of the three-way connector-the instant electric water heater.
- the first one-way valve 8 and the three-way connector realize that the tap water with a lower temperature and the water in the heat-preserving storage tank with a higher temperature are mixed and heated according to the set ratio, and then the mixed water Entering into the instant electric water heater for heating can greatly improve the heating efficiency and heating temperature, and help ensure sufficient water supply, thereby helping to overcome the shortcomings of the existing instant electric water heater and meet the needs of water use in low temperature environments. Needs to improve user experience.
- the water heater system further includes a second one-way valve 81; the hot water outlet 2 of the water heater is connected to the water inlet of the second one-way valve 81 through the hot water use end, and the second The water outlet of the one-way valve 81 is connected to the tap water inlet 6, and the tap water inlet 6 is connected to the tap water inlet 1 of the water heater.
- the water temperature compensation path is:
- the water outlet of the instant electric water heater-the hot water outlet of the water heater 2-the hot water use end-the second one-way valve 81-the tap water inlet 6-the water heater tap water inlet 1-the four-way piece 5
- the water heater system further includes a second three-way member and a third one-way valve 83; the hot water outlet 2 of the water heater is connected to the inlet of the third one-way valve 83 through the hot water use end.
- the water outlet of the third one-way valve 83 is connected to the first end of the second three-way piece, and the second end of the second three-way piece is connected to the tap water inlet 1 of the water heater.
- the third end of the two or three links is connected to the tap water inlet 6.
- the second three-way member is a three-way pipe or a three-way valve.
- the water temperature compensation path is:
- the outlet end of the instant electric water heater-the hot water outlet end of the water heater 2-the hot water use end-the hot water return pipe-the third one-way valve 83-the first end and the second end of the second three-way End-water heater tap water inlet 1-the first end and the third end of the four-way piece 5-circulating water pump with speed regulation function-the water inlet end of the thermal storage tank.
- the water heater system of the present invention combined with the heat-preserving water storage tank and the normally closed solenoid valve, prolongs the heating working time of the instant electric water heater and minimizes the instant electric water heater Maximum power consumption in a short period of time, and avoiding hidden risks to conventional household wiring; at the same time, it solves the problem of low temperature, hot water output temperature is not up to standard, water flow is too small, combined with waterway switching, water temperature and temperature are controlled, and water storage is solved The problem of scale in the water heater is conducive to improving the water quality.
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Abstract
一种热水器系统,包括热水器、保温式储水箱;热水器、保温式储水箱内均设有热电偶,控制器分别与热水器、保温式储水箱、热电偶、常闭电磁阀(3)、水泵(4)电连接;热水器自来水进水端(1)与四通件(5)的第一端连接,四通件(5)的第二端与第一三通件(7)的第一端连接,第一三通件(7)的第二端与热水器的进水端连接,热水器的出水端与热水器热水出水端(2)连接;四通件(5)的第三端通过水泵(4)与保温式储水箱的进水端连接,保温式储水箱的出水端与第一三通件(7)的第三端连接;热水器的出水端通过常闭电磁阀(3)与四通件(5)的第四端连接。利用间歇性使用热水的习惯与热水器的快速加热热水相结合,解决了即热式电热水器在低温条件下的热水输出水温不达标、水流过小问题。
Description
本发明涉及热水器领域,尤其是涉及一种热水器系统。
目前,市场上销售的家用热水器主要有燃气热水器、水箱储热式电热水器、即热式电热水器。燃气热水器具有可以实现即时连续供热水的优势,但其使用的必备条件是配置管道煤气或储气罐等燃气气源,使用时存在一定的危险性,且便携性较低。而水箱储热式电热水器虽然使用简单,只要有市电供电就可以实现热水的供应,但是存在储水箱内的水温高、持续加热及存储的过程中会有水垢产生的问题,由于水垢不易排出由此对储水箱内的水质造成污染,污染后的水容易使用户皮肤发生过敏等疾病。相对于上述两款热水器,即热式电热水器和燃气热水器的工作原理相近,但其加热方式由燃气改为用电,即热式电热水器与燃气热水器、水箱储热式电热水器相比较,具有出热水快、热效率高、不结水垢、安全环保、不占地方等优点。但是,即热式电热水器是随用随加热方式,由于即热式电热水器的最大输出功率有限,遇到天气冷时,尤其是北方的自来水温度很低,要想把水加热到合适的水度,则会导致出水量减少,极大地影响用户使用体验。
发明内容
本发明提供一种热水器系统,以解决即热式电热水器在低温条件下的热水输出水温不达标、水流过小的技术问题,本发明实现热水器系统的结构优化,实现热水补偿,满足热水供应需求,提高用户使用热水的体验。
为了解决上述技术问题,本发明实施例提供了一种热水器系统,包括热水器、保温式储水箱、控制器、热水器自来水进水端、热水器热水出水端、常闭电磁阀、四通件、第一三通件、水泵;
所述热水器、所述保温式储水箱内均设有用于检测水温的热电偶,所述控制器分别与所述热水器、所述保温式储水箱、所述热电偶、所述常闭电磁阀、所述水泵电连接;
所述热水器自来水进水端与所述四通件的第一端连接,所述四通件的第二端与所述第一三通件的第一端连接,所述第一三通件的第二端与所述热水器的进水端连接,所述热水器的出水端与所述热水器热水出水端连接;
所述四通件的第三端通过所述水泵与所述保温式储水箱的进水端连接,所述保温式储水箱的出水端与所述第一三通件的第三端连接;
所述热水器的出水端通过所述常闭电磁阀与所述四通件的第四端连接。
作为优选方案,所述第一三通件为电子比例阀,所述水泵为循环水泵,所述电子比例阀与所述控制器电连接。
作为优选方案,所述热水器系统还包括第一单向阀,所述四通件的第二端与所述第一单向阀的进水端连接,所述第一单向阀的出水端与所述第一三通件的第一端连接;
所述第一三通件为三通连接件,所述水泵为带调速功能的循环水泵。
作为优选方案,所述热电偶包括分别与所述控制器电连接的第一热电偶、第二热电偶、第三热电偶;
所述第一热电偶安装在所述热水器的进水端管道内,所述第二热电偶安装在所述热水器的出水端管道内,所述第三热电偶安装在所述保温式储水箱内。
作为优选方案,所述热水器系统还包括分别与所述控制器电连接的第一流量计、第二流量计;
所述第一流量计安装在所述热水器自来水进水端与所述四通件之间的连接管路中,所述第二流量计安装在所述热水器的出水端与所述热水出水端之间的连接管路中。
作为优选方案,所述四通件为四通阀或四通管。
作为优选方案,所述热水器为电热水器或即热式电热水器。
作为优选方案,所述热水器系统还包括第二单向阀;
所述热水器热水出水端通过热水使用端连接至所述第二单向阀的进水口,所述第二单向阀的出水口连接自来水进水口,所述自来水进水口连接至所述热水器自来水进水端。
作为优选方案,所述热水器系统还包括第二三通件、第三单向阀;
所述热水器热水出水端通过热水使用端连接至所述第三单向阀的进水口,所述第三单向阀的出水口连接所述第二三通件的第一端,所述第二三通件的第二端连接所述热水器自来水进水端,所述第二三通件的第三端连接自来水进水口。
作为优选方案,所述第二三通件为三通管或三通阀。
相比于现有技术,本发明实施例具有如下有益效果:
1、所述热水器利用电能产生热量以将所述热水器自来水进水端供给的温度较低的水转换为温度较高的水,最后通过所述热水器热水出水端流出热水以实现热水的快速供应。
2、在低温环境时,所述热水器将制得的热水依次通过所述热水器的出水端、所述常闭电磁阀、所述四通件、所述水泵、所述保温式储水箱的进水端进入到所述保温式储水箱中进行热水储存,以实现大量热水的制备和存储。
3、在低温环境情况下当用户使用热水时,所述热水器的进水端的水温低于热水器设定流量、最大功率温升、用户设定出水温度等条件的限值时,所述热水器的出水端实际出水温度或流量就无法满足设定的需求,以所述第一三通件为电子比例阀为例,此时所述控制器通过调节电子比例阀的第一端与第三端的相对比例,使电子比例阀的第二端流出的水温达到或高于以上相关条件下的最低进水水温。在此过程中,所述 热水器自来水进水端的部分自来水依次通过所述第一流量计、所述四通件的第一端、第二端流向电子比例阀的第一端;部分自来水通过所述第一流量计、所述四通件的第一端、第三端流经所述水泵并最终流入所述保温式储水箱内。在此模式下,所述保温式储水箱的水温会根据流入的自来水流量的比例多少,造成储水水温的降低,则所述控制器会根据所述第三热电偶检测的所述保温式储水箱的实时水温,调节电子比例阀的第一端与第三端的比例大小。
4、在低温环境使用时,由于所述保温式储水箱内的热水被常温自来水稀释,当用户使用热水过程中暂停使用热水或结束后,需要对保温式储水箱内的水温进行温度补偿提升,以便于下次的使用。此时,所述控制器开启所述水泵、打开所述常闭电磁阀,通过所述第二流量计反馈给所述控制器的水流大小信号,开启所述热水器的加热装置,用尽量短的时间周期、合适的加热功率大小,使所述保温式储水箱内的水温提升至设定温度。通过所述保温式储水箱的出水端、所述第一三通件(电子比例阀或三通连接件的第三端与第二端完全导通,第一端与第二端完全截止的状态下)、所述热水器的进水端、出水端、所述常闭电磁阀、所述四通件、所述水泵、所述保温式储水箱的进水端路径,以在用户未使用热水的时间段内将所述保温式储水箱内的水进行加热,从而利于用户再次使用时,补充所述热水器的进水端的水温温度,可以解决即热式电热水器在自来水水温过低时,所述热水器的出水端的水温、水流不足,以及供电电路负荷过大的缺陷。
图1是本发明实施例中的热水器系统的结构示意图;
图2是本发明实施例中的热水器系统的结构示意图;
图3a~3e分别展示了图1中的热水器系统的热水流动路径图;
图4a~4e分别展示了图2中的热水器系统的热水流动路径图;
图5是图1中热水器系统的电路结构图;
图6是图2中热水器系统的电路结构图;
图7是电子比例阀的结构示意图;
其中,说明书附图中的附图标记如下:
1、热水器自来水进水端;2、热水器热水出水端;3、常闭电磁阀;4、水泵;5、四通件;6、自来水进水口;7、第一三通件;8、第一单向阀;81、第二单向阀;83、第三单向阀;9、第一流量计;91、第二流量计;10、第一热电偶;101、第二热电偶;102、第三热电偶;
12、阀体;13、冷热水混合腔;14、混水阀芯;15、热电偶;16、执行电机机构驱动;17、控制板;18、热水或冷水入口;19、冷水或热水入口;20、混合水出口。
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
请参见图1和图2,本发明优选实施例提供了一种热水器系统,包括热水器、保温式储水箱、控制器、热水器自来水进水端1、热水器热水出水端2、常闭电磁阀3、四通件5、第一三通件7、水泵4;其中,所述第一三通件7为电子比例阀或三通连接件,所述热水器为电热水器或即热式电热水器,所述四通件5为四通阀或四通管,所述水泵4为循环水泵或带调速功能的循环水泵。
所述热水器、所述保温式储水箱内均设有用于检测水温的热电偶,所述控制器分别与所述热水器、所述保温式储水箱、所述热电偶、所述常闭电磁阀3、所述水泵电连接;其中,所述热电偶包括分别与所述控制器电连接的第一热电偶10、第二热电偶101、第三热电偶102;所述第一热电偶10安装在所述热水器的进水端管道内,所述第二热电偶101安装在所述热水器的出水端管道内,所述第三热电偶102安装在所述保温式储水箱内。
所述热水器自来水进水端1与所述四通件5的第一端连接,所述四通件5的第二端与所述第一三通件7的第一端连接,所述第一三通件7的第二端与所述热水器的进水端连接,所述热水器的出水端与所述热水器热水出水端2连接;
所述四通件5的第三端通过所述水泵与所述保温式储水箱的进水端连接,所述保温式储水箱的出水端与所述第一三通件7的第三端连接;
所述热水器的出水端通过所述常闭电磁阀3与所述四通件5的第四端连接。
作为优选方案,所述热水器系统还包括分别与所述控制器电连接的第一流量计9、第二流量计91;
所述第一流量计9安装在所述热水器自来水进水端1与所述四通件5之间的连接管路上,所述第二流量计91安装在所述热水器的出水端与所述热水出水端之间的连接管路上。
在本实施例中,所述热水器利用电能产生热量以将所述热水器自来水进水端1供给的温度较低的水转换为温度较高的水,最后通过所述热水器热水出水端2流出热水以实现热水的快速供应。
在低温环境时,所述热水器将制得的热水依次通过所述热水器的出水端、所述常闭电磁阀3、所述四通件5、所述水泵、所述保温式储水箱的进水端进入到所述保温式储水箱中进行热水储存,以实现大量热水的制备和存储。
在低温环境时,所述保温式储水箱中存储的热水依次通过所述保温式储水箱的出水端、所述第一三通件7(电子比例阀或三通连接件)的第三端、所述第一三通件7的第二端、所述热水器的进水端进入到所述热水器中进行加热,在这个过程中,所述保温式储水箱中温度较高的水与所述热水器自来水进水端1的温度较低的水进行混水,以提高进入所述热水器的自来水水温,从而通过所述即热式电热水器的加热作用实现低温环境下热水能够快速供应、热水水温达到使用需求、水量充足的效果。
所述保温式储水箱具有冷水补水功能,所述热水器自来水进水端1的自来水通过所述四通件5、所述水 泵进入到所述保温式储水箱内实现冷水补充,可有效避免所述储水式热水器由于需要把储水箱的水温加热过高,造成水垢的产生、热水器体积过大的问题。
在用户间歇性使用热水的暂停使用过程中,由于所述保温式储水箱需要时刻补充温度较低的自来水,为避免所述保温式储水箱内的水温下降,可利用所述四通件5截止所述热水器自来水进水端1的进水、并通过所述保温式储水箱的出水端、所述第一三通件7(电子比例阀或三通连接件)、所述热水器的进水端、出水端、所述常闭电磁阀3、所述四通件5、所述水泵4、所述保温式储水箱的进水端路径,以在用户间歇通知使用热水的时间内将所述保温式储水箱内的水进行加热,从而利于用户继续使用时,补充所述热水器的进水端的水温温度,可以解决即热式电热水器在自来水水温过低时,热水器出水口的水温、水流不足,以及供电电路负荷过大的缺陷。
请参见图1或图2,在本发明实施例中,为了实现所述保温式储水箱的水温补偿作用,当所述保温式储水箱的水温需要通过所述即热式电热水器加热进行补偿时,所述常闭电磁阀3通电打开,从而使得热水由所述即热式电热水器的出水端——所述常闭电磁阀3——所述四通件5——所述水泵——所述保温式储水箱的进水端,最终热水回到保温式储水箱中,从而提高所述保温式储水箱的水温。
在上述实施例的基础上,作为其中一种优选实施方式中,如图1所示,所述热水器为即热式电热水器,所述第一三通件7为电子比例阀,所述水泵为循环水泵,所述电子比例阀与所述控制器电连接。其中,本实施例的热水器系统的电路结构如图5所示,所述控制器为中央处理器,用于控制所述电子比例阀、所述循环水泵等电器,并能对所述第一流量计9、所述第二流量计91、所述第一热电偶10、所述第二热电偶101、所述第三热电偶102采集到的水流量信号、温度信号进行处理,并执行相应的工作状态。
本实施例的工作原理及技术效果具体如下:
工作状态一(热水器的即加热方式):
如图3a所示,当所述控制器通过所述第一流量计9检测到所述即热式电热水器的进水端水流为最大水流的情况下,并通过所述第一热电偶10、所述第二热电偶101检测到最大加热温升大于或等于设定最高出水水温减去进水水温的水温温差时,将所述四通件5的第一端、第二端打开,所述电子比例阀的第一端、第二端打开,启动所述即热式电热水器进入加热工作状态,使得水路通道切换为:
自来水进水口6——热水器自来水进水端1——四通件5——电子比例阀——即热式电热水器的进水端——即热式电热水器的出水端——热水器热水出水端2;
此时,循环水泵的电源关闭、接保温式储水箱端的电子比例阀入水口与电子比例阀的出水口之间完全截止,从而使得所述保温式储水箱处于停止使用状态。
这样,在能保证水流流量充足、热水输出水温达标的情况下,无需启用所述保温式储水箱,利用所述即热式电热水器为用户供应热水,实现热水器系统的智能控制,同时有利于节约电能。
工作状态二(保温式储水箱的水加热方式):
如图3b所示,当所述控制器通过所述第一流量计9检测到所述即热式电热水器的进水端水流为最大水流的情况下,并通过所述第一热电偶10、所述第二热电偶101检测到最大加热温升小于设定最高出水水温 减去进水水温的水温温差时,在用户未使用的情况下,启动所述循环水泵,调节所述电子比例阀,并启动所述即热式电热水器进入加热工作状态,以使水路通道切换为:
即热式电热水器的出水端——热水器热水出水端2——常闭电磁阀3——四通件5——循环水泵——保温式储水箱的进水端——保温式储水箱的出水端——电子比例阀的第三端、第二端——即热式电热水器的进水端。
在这个过程中,即热式电热水器的热水通过常闭电磁阀3、四通件5流入所述保温式储水箱,从而使得所述即热式电热水器的热水与所述保温式储水箱的冷水不断进行混合,由此以往,使得所述保温式储水箱的水温逐渐上升,当所述保温式储水箱内的水温上升到设定值时,控制循环水泵停止工作。
这样,所述即热式电热水器、所述常闭电磁阀3、所述保温式储水箱之间构成了一个循环回路,使得所述保温式储水箱内的水温上升,以便在低温环境下,通过所述保温式储水箱的温水与所述热水器自来水进水端1的冷水预先混合,再进入到所述即热式电热水器中进行加热,能够大大地提高加热效率和加热温度,并有利于保证水量供应充足,进而有利于克服现有即热式电热水器的弊端,满足低温环境下用水需求,提高用户使用体验。
工作状态三(保温式储水箱的水温补偿出水方式):
如图3c所示,在检测到自来水水温低于所述即热式电热水器的工作升温限值,当用户使用热水时,启动所述循环水泵工作,电子比例阀执行机构带动相应的阀芯,调节2个入水口(所述热水器自来水进水端1与所述保温式储水箱的出水端)的相应比例,使电子比例阀的出水口水温达到或超过热水器的进水端的最低限值水温,通过所述即热式电热水器工作加热,使所述即热式电热水器的出水端水温达到相应设定温度,因此将水路通道切换为:
路径一:热水器自来水进水端1——四通件5的第一端、第二端——电子比例阀的第一端、第二端——即热式电热水器;
路径二:所述保温式储水箱的出水端——电子比例阀的第三端、第二端——即热式电热水器。
其中,电子比例阀的具体结构如图7所示,包括阀体12和安装在所述阀体12内的冷热水混合腔13、混水阀芯14、热电偶15,所述混水阀芯14由执行电机机构驱动16,所述执行电机机构由控制板17进行控制,所述阀体12具有与所述冷热水混合腔13连通的热水或冷水入口18、冷水或热水入口19、混合水出口20。
这样,在低温环境下,由电子比例阀实现温度较低的自来水与温度较高的保温式储水箱的水先按照设定的比例进行混热,然后混热的水进入到所述即热式电热水器中进行加热,能够大大地提高加热效率和加热温度,并有利于保证水量供应充足,进而有利于克服现有即热式电热水器的弊端,满足低温环境下用水需求,提高用户使用体验。
工作状态四(通过热水器外接的冷/热水管回路进行保温式储水箱的温度补偿):
如图3d所示,所述热水器系统还包括第二单向阀81;所述热水器热水出水端2通过热水使用端连接至所述第二单向阀81的进水口,所述第二单向阀81的出水口连接自来水进水口6,所述自来水进水口6连接至所述热水器自来水进水端1。
水温补偿路径为:
即热式电热水器的出水端——热水器热水出水端2——热水使用端——第二单向阀81——自来水进水口6——热水器自来水进水端1——四通件5的第一端、第三端——循环水泵——保温式储水箱的进水端。
此时,控制所述常闭电磁阀3关闭。
工作状态五(通过热水器外接的冷/热水管回路进行保温式储水箱的温度补偿):
如图3e所示,所述热水器系统还包括第二三通件、第三单向阀83;所述热水器热水出水端2通过热水使用端连接至所述第三单向阀83的进水口,所述第三单向阀83的出水口连接所述第二三通件的第一端,所述第二三通件的第二端连接所述热水器自来水进水端1,所述第二三通件的第三端连接自来水进水口6。所述第二三通件为三通管或三通阀。
水温补偿路径为:
即热式电热水器的出水端——热水器热水出水端2——热水使用端——热水回水管——第三单向阀83——第二三通件的第一端、第二端——热水器自来水进水端1——四通件5的第一端、第三端——循环水泵——保温式储水箱的进水端。
综上五种工作状态,可实现避免所述热水器系统由于需要把所述保温式储水箱的水温加热过高,造成水垢的产生、热水器体积过大的问题,也可以解决所述即热式电热水器在自来水水温过低时,出水端的水温、水流不足,以及供电电路负荷过大的缺陷。
作为其中另一种优选实施方式中,如图2所示,所述热水器为即热式电热水器,包括第一单向阀8,所述四通件5的第二端与所述第一单向阀8的进水端连接,所述第一单向阀8的出水端与所述第一三通件7的第一端连接;所述第一三通件7为三通连接件或三通管,所述水泵为带调速功能的循环水泵,所述三通连接件与所述控制器电连接。其中,本实施例的热水器系统的电路结构如图5所示,所述控制器为中央处理器,用于控制所述三通连接件、所述带调速功能的循环水泵等电器,并能对所述第一流量计9、所述第二流量计91、所述第一热电偶10、所述第二热电偶101、所述第三热电偶102采集到的水流量信号、温度信号进行处理,并执行相应的工作状态。
本实施例的工作原理及技术效果具体如下:
工作状态一(热水器的即加热方式):
如图4a所示,当所述控制器通过所述第一流量计9检测到所述即热式电热水器的进水端水流为最大水流的情况下,并通过所述第一热电偶10、所述第二热电偶101检测到最大加热温升大于或等于设定最高出水水温减去进水水温的水温温差时,将所述四通件5的第一端、第二端打开,所述三通连接件的第一端、第二端打开,启动所述即热式电热水器进入加热工作状态,使得水路通道切换为:
自来水进水口6——热水器自来水进水端1——四通件5——第一单向阀8——三通连接件——即热式电热水器的进水端——即热式电热水器的出水端——热水器热水出水端2;
此时,带调速功能的循环水泵的电源关闭、接保温式储水箱端的三通连接件入水口与三通连接件的出水口之间完全截止,从而使得所述保温式储水箱处于停止使用状态。
这样,在能保证水流流量充足、热水输出水温达标的情况下,无需启用所述保温式储水箱,利用所述即热式电热水器为用户供应热水,实现热水器系统的智能控制,同时有利于节约电能。
工作状态二(保温式储水箱的水加热方式):
如图4b所示,当所述控制器通过所述第一流量计9检测到所述即热式电热水器的进水端水流为最大水流的情况下,并通过所述第一热电偶10、所述第二热电偶101检测到最大加热温升小于设定最高出水水温减去进水水温的水温温差时,在用户未使用的情况下,启动所述带调速功能的循环水泵,调节所述三通连接件,并启动所述即热式电热水器进入加热工作状态,以使水路通道切换为:
即热式电热水器的出水端——热水器热水出水端2——常闭电磁阀3——四通件5——带调速功能的循环水泵——保温式储水箱的进水端——保温式储水箱的出水端——三通连接件的第三端、第二端——即热式电热水器的进水端。
在这个过程中,即热式电热水器的热水通过常闭电磁阀3、四通件5流入所述保温式储水箱,从而使得所述即热式电热水器的热水与所述保温式储水箱的冷水不断进行混合,由此以往,使得所述保温式储水箱的水温逐渐上升,当所述保温式储水箱内的水温上升到设定值时,控制带调速功能的循环水泵停止工作。
这样,所述即热式电热水器、所述常闭电磁阀3、所述保温式储水箱之间构成了一个循环回路,使得所述保温式储水箱内的水温上升,以便在低温环境下,通过所述保温式储水箱的温水与所述热水器自来水进水端1的冷水预先混合,再进入到所述即热式电热水器中进行加热,能够大大地提高加热效率和加热温度,并有利于保证水量供应充足,进而有利于克服现有即热式电热水器的弊端,满足低温环境下用水需求,提高用户使用体验。
工作状态三(保温式储水箱的水温补偿出水方式):
如图4c所示,在检测到自来水水温低于所述即热式电热水器的工作升温限值,当用户使用热水时,启动所述带调速功能的循环水泵工作,三通连接件执行机构带动相应的阀芯,调节2个入水口(所述热水器自来水进水端1与所述保温式储水箱的出水端)的相应比例,使三通连接件的出水口水温达到或超过热水器的进水端的最低限值水温,通过所述即热式电热水器工作加热,使所述即热式电热水器的出水端水温达到相应设定温度,因此将水路通道切换为:
路径一:热水器自来水进水端1——四通件5的第一端、第二端——第一单向阀8——三通连接件的第一端、第二端——即热式电热水器;
路径二:所述保温式储水箱的出水端——三通连接件的第三端、第二端——即热式电热水器。
这样,在低温环境下,由第一单向阀8、三通连接件实现温度较低的自来水与温度较高的保温式储水箱的水先按照设定的比例进行混热,然后混热的水进入到所述即热式电热水器中进行加热,能够大大地提高加热效率和加热温度,并有利于保证水量供应充足,进而有利于克服现有即热式电热水器的弊端,满足低温环境下用水需求,提高用户使用体验。
工作状态四(通过热水器外接的冷/热水管回路进行保温式储水箱的温度补偿):
如图4d所示,所述热水器系统还包括第二单向阀81;所述热水器热水出水端2通过热水使用端连接至所述第二单向阀81的进水口,所述第二单向阀81的出水口连接自来水进水口6,所述自来水进水口6连接 至所述热水器自来水进水端1。
水温补偿路径为:
即热式电热水器的出水端——热水器热水出水端2——热水使用端——第二单向阀81——自来水进水口6——热水器自来水进水端1——四通件5的第一端、第三端——带调速功能的循环水泵——保温式储水箱的进水端。
此时,控制所述常闭电磁阀3关闭。
工作状态五(通过热水器外接的冷/热水管回路进行保温式储水箱的温度补偿):
如图4e所示,所述热水器系统还包括第二三通件、第三单向阀83;所述热水器热水出水端2通过热水使用端连接至所述第三单向阀83的进水口,所述第三单向阀83的出水口连接所述第二三通件的第一端,所述第二三通件的第二端连接所述热水器自来水进水端1,所述第二三通件的第三端连接自来水进水口6。所述第二三通件为三通管或三通阀。
水温补偿路径为:
即热式电热水器的出水端——热水器热水出水端2——热水使用端——热水回水管——第三单向阀83——第二三通件的第一端、第二端——热水器自来水进水端1——四通件5的第一端、第三端——带调速功能的循环水泵——保温式储水箱的进水端。
综上五种工作状态,可实现避免所述热水器系统由于需要把所述保温式储水箱的水温加热过高,造成水垢的产生、热水器体积过大的问题,也可以解决所述即热式电热水器在自来水水温过低时,出水端的水温、水流不足,以及供电电路负荷过大的缺陷。
相比于现有技术,本发明的热水器系统,结合所述保温式储水箱、所述常闭电磁阀,延长所述即热式电热水器加热工作时间长度,尽量降低所述即热式电热水器短时间段内的最大功耗,以及避免对常规家用线路造成的风险隐患;同时解决了低温条件下,热水输出水温不达标、水流过小问题,结合水路切换,控制水温温度,解决储水式热水器水垢产生的问题,有利于提高水质质量。
以上所述是本发明的优选实施方式,应当指出,对于本技术领域的普通技术人员来说,在不脱离本发明原理的前提下,还可以做出若干改进和润饰,这些改进和润饰也视为本发明的保护范围。
Claims (10)
- 一种热水器系统,其特征在于,包括热水器、保温式储水箱、控制器、热水器自来水进水端、热水器热水出水端、常闭电磁阀、四通件、第一三通件、水泵;所述热水器、所述保温式储水箱内均设有用于检测水温的热电偶,所述控制器分别与所述热水器、所述保温式储水箱、所述热电偶、所述常闭电磁阀、所述水泵电连接;所述热水器自来水进水端与所述四通件的第一端连接,所述四通件的第二端与所述第一三通件的第一端连接,所述第一三通件的第二端与所述热水器的进水端连接,所述热水器的出水端与所述热水器热水出水端连接;所述四通件的第三端通过所述水泵与所述保温式储水箱的进水端连接,所述保温式储水箱的出水端与所述第一三通件的第三端连接;所述热水器的出水端通过所述常闭电磁阀与所述四通件的第四端连接。
- 如权利要求1所述的热水器系统,其特征在于,所述第一三通件为电子比例阀,所述水泵为循环水泵,所述电子比例阀与所述控制器电连接。
- 如权利要求1所述的热水器系统,其特征在于,所述热水器系统还包括第一单向阀,所述四通件的第二端与所述第一单向阀的进水端连接,所述第一单向阀的出水端与所述第一三通件的第一端连接;所述第一三通件为三通连接件,所述水泵为带调速功能的循环水泵。
- 如权利要求1所述的热水器系统,其特征在于,所述热电偶包括分别与所述控制器电连接的第一热电偶、第二热电偶、第三热电偶;所述第一热电偶安装在所述热水器的进水端管道内,所述第二热电偶安装在所述热水器的出水端管道内,所述第三热电偶安装在所述保温式储水箱内。
- 如权利要求1所述的热水器系统,其特征在于,所述热水器系统还包括分别与所述控制器电连接的第一流量计、第二流量计;所述第一流量计安装在所述热水器自来水进水端与所述四通件之间的连接管路中,所述第二流量计安装在所述热水器的出水端与所述热水出水端之间的连接管路中。
- 如权利要求1所述的热水器系统,其特征在于,所述四通件为四通阀或四通管。
- 如权利要求1所述的热水器系统,其特征在于,所述热水器为电热水器或即热式电热水器。
- 如权利要求1~7任一项所述的热水器系统,其特征在于,所述热水器系统还包括第二单向阀;所述热水器热水出水端通过热水使用端连接至所述第二单向阀的进水口,所述第二单向阀的出水口连接自来水进水口,所述自来水进水口连接至所述热水器自来水进水端。
- 如权利要求1~7任一项所述的热水器系统,其特征在于,所述热水器系统还包括第二三通件、第三单向阀;所述热水器热水出水端通过热水使用端连接至所述第三单向阀的进水口,所述第三单向阀的出水口连接所述第二三通件的第一端,所述第二三通件的第二端连接所述热水器自来水进水端,所述第二三通件的第三端连接自来水进水口。
- 如权利要求9所述的热水器系统,其特征在于,所述第二三通件为三通管或三通阀。
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