CN110440443A - A kind of water-heater system - Google Patents

A kind of water-heater system Download PDF

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Publication number
CN110440443A
CN110440443A CN201910763431.6A CN201910763431A CN110440443A CN 110440443 A CN110440443 A CN 110440443A CN 201910763431 A CN201910763431 A CN 201910763431A CN 110440443 A CN110440443 A CN 110440443A
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CN
China
Prior art keywords
water
heater
hot
heat preserving
preserving type
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Pending
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CN201910763431.6A
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Chinese (zh)
Inventor
赵璟轩
赵旭
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Zhongshan Joy Electronic Technology Co Ltd
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Zhongshan Joy Electronic Technology Co Ltd
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Application filed by Zhongshan Joy Electronic Technology Co Ltd filed Critical Zhongshan Joy Electronic Technology Co Ltd
Priority to CN201910763431.6A priority Critical patent/CN110440443A/en
Publication of CN110440443A publication Critical patent/CN110440443A/en
Priority to PCT/CN2020/086044 priority patent/WO2021031596A1/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00Details
    • F24H9/0005Details for water heaters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00Details
    • F24H9/20Arrangement or mounting of control or safety devices
    • F24H9/2007Arrangement or mounting of control or safety devices for water heaters
    • F24H9/2014Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
    • F24H9/2028Continuous-flow heaters

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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)
  • Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)

Abstract

The present invention discloses water-heater system, including water heater, heat preserving type water tank;Thermocouple is equipped in water heater, heat preserving type water tank, controller is electrically connected with water heater, heat preserving type water tank, thermocouple, normally closed solenoid valve, water pump respectively;Water heater tap water water inlet end is connect with the first end of four parts, and the second end of four parts is connect with the first end of the first three-way piece, and the second end of the first three-way piece and the water inlet end of water heater connect, and the water outlet of water heater is connect with water heater hot-water water outlet;The third end of four parts is connect by water pump with the water inlet end of heat preserving type water tank, and the water outlet of heat preserving type water tank is connect with the third end of the first three-way piece;The water outlet of water heater is connect by normally closed solenoid valve with the 4th end of four parts.The hot water output water temperature of present invention solution instant electric water heater under cryogenic is not up to standard, water flows through minor issue, is combined using the habit of hot water with the quick heat hot water of water heater using intermittent, realizes water-heater system optimization.

Description

A kind of water-heater system
Technical field
The present invention relates to field of water heaters, more particularly, to a kind of water-heater system.
Background technique
Currently, pot-type boiler available on the market mainly has gas heater, water tank heat storage electric water heater, instant heating type Electric heater.Gas heater has the advantage that instant continuous heat supply water may be implemented, but its necessary condition used is configuration The gas sources such as piped gas or air accumulator, there are certain risk when use, and portability is lower.And water tank heat storing type electric Although water heater is using simply, as long as the supply for having mains-supplied to realize hot water, there are the water temperatures in water tank It has scale during high, continuous heating and storage to lead to the problem of, since scale is not easy discharge thus in water tank Water quality pollutes, and the water after pollution is easy that the diseases such as allergy occur using family skin.It is relative to above-mentioned two water heater, i.e., hot The working principle of formula electric heater and gas heater is close, but its heating method is changed to electricity consumption, instant electric water by combustion gas Device has that hot water is fast out, the thermal efficiency is high, not scaling, safety collar compared with gas heater, water tank heat storage electric water heater The advantages that protecting, be space-saving.But instant electric water heater is with with heating method, most due to instant electric water heater Big output power is limited, encounters when being cold, especially northern tap water temperature is very low, to water is heated to suitable water Degree then will lead to water yield reduction, greatly affect user experience.
Summary of the invention
The present invention provides a kind of water-heater system, exports water to solve the hot water of instant electric water heater under cryogenic The technical problem that temperature is not up to standard, water flow is too small, the present invention realize the structure optimization of water-heater system, realize hot water compensation, meet Hot water supply requirement improves the experience that user uses hot water.
In order to solve the above-mentioned technical problem, the embodiment of the invention provides a kind of water-heater systems, including water heater, heat preservation Formula water tank, controller, water heater tap water water inlet end, water heater hot-water water outlet, normally closed solenoid valve, four parts, the one or three Parts, water pump;
The thermocouple for detecting water temperature, the controller point are equipped in the water heater, the heat preserving type water tank It is not electrically connected with the water heater, the heat preserving type water tank, the thermocouple, the normally closed solenoid valve, the water pump;
The water heater tap water water inlet end is connect with the first end of four parts, the second end of four parts and institute The first end connection of the first three-way piece is stated, the second end of first three-way piece is connect with the water inlet end of the water heater, described The water outlet of water heater is connect with the water heater hot-water water outlet;
The third end of four parts is connect by the water pump with the water inlet end of the heat preserving type water tank, the heat preservation The water outlet of formula water tank is connect with the third end of first three-way piece;
The water outlet of the water heater is connect by the normally closed solenoid valve with the 4th end of four parts.
Preferably, first three-way piece is electronic proportioning valve, and the water pump is water circulating pump, the electronics ratio Example valve is electrically connected with the controller.
Preferably, the water-heater system further includes the first check valve, the second end of four parts with it is described The water inlet end of first check valve connects, and the water outlet of first check valve is connect with the first end of first three-way piece;
First three-way piece is three-way connector, and the water pump is the water circulating pump with speed-regulating function.
Preferably, the thermocouple includes the first thermocouple being electrically connected respectively with the controller, the second heat Galvanic couple, third thermocouple;
First the installation of TC is in the water inlet end pipeline of the water heater, and second the installation of TC is described In the water outlet pipeline of water heater, the third the installation of TC is in the heat preserving type water tank.
Preferably, the water-heater system further include the first flowmeter being electrically connected respectively with the controller, Second flowmeter;
The first flowmeter is mounted on the connecting line between the water heater tap water water inlet end and four parts In, the second flowmeter is mounted in the connecting line between the water outlet of the water heater and the hot water effluent end.
Preferably, four parts are four-way valve or four-way pipe.
Preferably, the water heater is electric heater or instant electric water heater.
Preferably, the water-heater system further includes second one-way valve;
The water heater hot-water water outlet is connected to the water inlet of the second one-way valve using end by hot water, and described the The water outlet of two check valves connects tap water water inlet, and the tap water water inlet is connected to the water heater tap water water inlet End.
Preferably, the water-heater system further includes the second three-way piece, third check valve;
The water heater hot-water water outlet is connected to the water inlet of the third check valve using end by hot water, and described the The water outlet of three check valves connects the first end of second three-way piece, and the second end of second three-way piece connects the hot water The third end of device tap water water inlet end, second three-way piece connects tap water water inlet.
Preferably, second three-way piece is tee tube or triple valve.
Compared with the prior art, the embodiment of the present invention has the following beneficial effects:
1, the water heater is lower with the temperature for supplying the water heater tap water water inlet end using electric energy production heat Water be converted to the higher water of temperature, flow out hot water finally by the water heater hot-water water outlet to realize the quick confession of hot water It answers.
2, in low temperature environment, hot water obtained is passed sequentially through the water outlet, described of the water heater by the water heater Normally closed solenoid valve, four parts, the water pump, the heat preserving type water tank water inlet end enter the heat preserving type water tank Middle carry out hot water storage, to realize the preparation and storage of a large amount of hot water.
3, when the user uses hot water in low temperature environment, the water temperature of the water inlet end of the water heater is lower than water heater Set flow, when maximum power temperature rise, user set the limit value of conditions such as leaving water temperature, the water outlet of the water heater it is practical go out Coolant-temperature gage or flow are just unable to satisfy the demand of setting, by taking first three-way piece is electronic proportioning valve as an example, the control at this time Device processed is by adjusting the first end of electronic proportioning valve and the relative scale at third end, the water for flowing out the second end of electronic proportioning valve Temperature reaches at or above the minimum inlet water temperature under the above correlated condition.In the process, the water heater tap water water inlet end Part of running water passes sequentially through the first flowmeter, first end, the second end of four parts flow to the of electronic proportioning valve One end;Part of running water flows through the water pump and final by the first flowmeter, the first end of four parts, third end It flows into the heat preserving type water tank.In such a mode, the water temperature of the heat preserving type water tank can be according to the originally water flow of inflow How much is the ratio of amount, causes the reduction of water storage water temperature, then the guarantor that the controller can be detected according to the third thermocouple The real-time water temperature of warm formula water tank adjusts the first end of electronic proportioning valve and the scale at third end.
4, in low temperature environment in use, since the hot water in the heat preserving type water tank is diluted by tap water at normal temperature, when with Family using suspend during hot water using hot water or after, need to carry out temperature-compensating to the water temperature in heat preserving type water tank to mention It rises, in order to the use of next time.At this point, the controller opens the water pump, opens the normally closed solenoid valve, pass through described the Two flowmeters feed back to the water flow high low signal of the controller, open the heating device of the water heater, use it is short as far as possible when Between period, suitable heating power size, so that the water temperature in the heat preserving type water tank is promoted to set temperature.Pass through the guarantor (the third end and second end of electronic proportioning valve or three-way connector are complete for the water outlet of warm formula water tank, first three-way piece Conducting, first end and second end it is completely switched off in the state of), the water inlet end of the water heater, water outlet, the normally closed electromagnetism Valve, four parts, the water pump, the heat preserving type water tank water inlet end path, the time of hot water to be not used in user The water in the heat preserving type water tank is heated in section, to supplement the water heater when reusing conducive to user The water temperature of water inlet end can solve instant electric water heater when tap water water temperature is too low, the water outlet of the water heater Water temperature, the defect that water flow is insufficient and power supply circuit load is excessive.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the water-heater system in the embodiment of the present invention;
Fig. 2 is the structural schematic diagram of the water-heater system in the embodiment of the present invention;
Fig. 3 a~3e respectively shows the hot water flowing path profile of the water-heater system in Fig. 1;
Fig. 4 a~4e respectively shows the hot water flowing path profile of the water-heater system in Fig. 2;
Fig. 5 is the circuit structure diagram of water-heater system in Fig. 1;
Fig. 6 is the circuit structure diagram of water-heater system in Fig. 2;
Fig. 7 is the structural schematic diagram of electronic proportioning valve;
Wherein, the appended drawing reference in Figure of description is as follows:
1, water heater tap water water inlet end;2, water heater hot-water water outlet;3, normally closed solenoid valve;4, water pump;5, four parts; 6, tap water water inlet;7, the first three-way piece;8, the first check valve;81, second one-way valve;83, third check valve;9, first-class Meter;91, second flowmeter;10, the first thermocouple;101, the second thermocouple;102, third thermocouple;
12, valve body;13, hot and cold water mixing chamber;14, water-mixing valve core;15, thermocouple;16, actuating motor mechanism drives;17, Control panel;18, hot water or cold water entrance;19, cold water or hot water inlet;20, mixed water exports.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Referring to Figure 1 and Fig. 2, the preferred embodiment of the present invention provide a kind of water-heater system, including water heater, heat preserving type Water tank, controller, water heater tap water water inlet end 1, water heater hot-water water outlet 2, normally closed solenoid valve 3, four parts 5, first Three-way piece 7, water pump 4;Wherein, first three-way piece 7 is electronic proportioning valve or three-way connector, and the water heater is electric hot water Device or instant electric water heater, four parts 5 are four-way valve or four-way pipe, and the water pump 4 is for water circulating pump or with speed regulation function The water circulating pump of energy.
The thermocouple for detecting water temperature, the controller point are equipped in the water heater, the heat preserving type water tank It is not electrically connected with the water heater, the heat preserving type water tank, the thermocouple, the normally closed solenoid valve 3, the water pump;Its In, the thermocouple includes the first thermocouple 10 being electrically connected respectively with the controller, the second thermocouple 101, third thermoelectricity Even 102;First thermocouple 10 is mounted in the water inlet end pipeline of the water heater, and second thermocouple 101 is mounted on In the water outlet pipeline of the water heater, the third thermocouple 102 is mounted in the heat preserving type water tank.
The water heater tap water water inlet end 1 is connect with the first end of four parts 5, the second end of four parts 5 It is connect with the first end of first three-way piece 7, the second end of first three-way piece 7 and the water inlet end of the water heater connect It connects, the water outlet of the water heater is connect with the water heater hot-water water outlet 2;
The third end of four parts 5 is connect by the water pump with the water inlet end of the heat preserving type water tank, the guarantor The water outlet of warm formula water tank is connect with the third end of first three-way piece 7;
The water outlet of the water heater is connect by the normally closed solenoid valve 3 with the 4th end of four parts 5.
Preferably, the water-heater system further include the first flowmeter 9 being electrically connected respectively with the controller, Second flowmeter 91;
The first flowmeter 9 is mounted on the connecting tube between the water heater tap water water inlet end 1 and four parts 5 On the road, the second flowmeter 91 is mounted on the connecting line between the water outlet of the water heater and the hot water effluent end On.
In the present embodiment, the water heater is using electric energy production heat to supply the water heater tap water water inlet end 1 The lower water of the temperature given is converted to the higher water of temperature, finally by the water heater hot-water water outlet 2 outflow hot water with reality The fast supply of existing hot water.
In low temperature environment, the water heater hot water obtained is passed sequentially through the water heater water outlet, it is described often Close solenoid valve 3, four parts 5, the water pump, the heat preserving type water tank water inlet end enter the heat preserving type water tank Middle carry out hot water storage, to realize the preparation and storage of a large amount of hot water.
In low temperature environment, the hot water stored in the heat preserving type water tank passes sequentially through going out for the heat preserving type water tank Water end (W.E.), the third end of first three-way piece 7 (electronic proportioning valve or three-way connector), first three-way piece 7 second end, The water inlet end of the water heater is entered in the water heater and is heated, in this process, in the heat preserving type water tank The lower water of temperature of the higher water of temperature and the water heater tap water water inlet end 1 carries out mixed water, enters the heat to improve The tap water water temperature of hydrophone, to realize that hot water can be fast under low temperature environment by the heat effect of the instant electric water heater Speed supply, hot water water temperature achieve the effect that use demand, water are sufficient.
The heat preserving type water tank has cold water water supplement function, and the tap water of the water heater tap water water inlet end 1 passes through Four parts 5, the water pump, which enter in the heat preserving type water tank, realizes cold water supplement, can effectively avoid the storage-type Water heater is excessively high the water temperature heating of water tank due to needing, and causes the leading to the problem of of scale, water heater volume excessive.
In pause use process of user's intermittence using hot water, since the heat preserving type water tank needs the moment to supplement The lower tap water of temperature ends described to avoid the water temperature drop in the heat preserving type water tank using four parts 5 The water inlet of water heater tap water water inlet end 1 simultaneously passes through the water outlet of the heat preserving type water tank, the 7 (electronics of the first three-way piece Proportioning valve or three-way connector), the water inlet end of the water heater, water outlet, the normally closed solenoid valve 3, four parts 5, institute The water inlet end path of water pump 4, the heat preserving type water tank is stated, to notify in the time using hot water in user's interval by the guarantor Water in warm formula water tank is heated, to supplement the water temperature of the water inlet end of the water heater when continuing to use conducive to user Temperature can solve instant electric water heater when tap water water temperature is too low, and water temperature, the water flow of water heater mouth are insufficient, with And the defect that power supply circuit load is excessive.
Referring to Figure 1 or Fig. 2 makees in embodiments of the present invention in order to realize that the water temperature of the heat preserving type water tank compensates With, when the water temperature of the heat preserving type water tank need by the instant electric water heater heat compensate when, it is described normally closed Solenoid valve 3, which is powered, to be opened, so that water outlet of the hot water by the instant electric water heater --- the normally closed solenoid valve 3 --- water inlet end of four parts 5 --- water pump --- described heat preserving type water tank, final hot water return to heat preserving type storage In water tank, to improve the water temperature of the heat preserving type water tank.
On the basis of the above embodiments, as in one of preferred embodiment, as shown in Figure 1, the water heater For instant electric water heater, first three-way piece 7 is electronic proportioning valve, and the water pump is water circulating pump, the electrical proportional Valve is electrically connected with the controller.Wherein, the circuit structure of the water-heater system of the present embodiment is as shown in figure 5, the controller For central processing unit, for controlling the electric appliances such as the electronic proportioning valve, the water circulating pump, and can to the first flowmeter 9, The second flowmeter 91, first thermocouple 10, second thermocouple 101, the third thermocouple 102 are collected Water flow signal, temperature signal are handled, and execute corresponding working condition.
The working principle and technical effect of the present embodiment are specific as follows:
Working condition one (the i.e. heating method of water heater):
As shown in Figure 3a, when the controller detects the instant electric water heater's by the first flowmeter 9 In the case that water inlet end water flow is maximum flow of water, and detected most by first thermocouple 10, second thermocouple 101 When big heating temperature rise subtracts the water temperature temperature difference of inlet water temperature more than or equal to setting highest output water temperature, by four parts 5 First end, second end are opened, and the first end of the electronic proportioning valve, second end are opened, start the instant electric water heater into Enter heating work state, so that waterway channel switches are as follows:
--- --- four parts 5 --- electronic proportioning valve --- are i.e. hot for water heater tap water water inlet end 1 for tap water water inlet 6 Water inlet end --- water outlet of instant electric water heater --- water heater hot-water water outlet 2 of formula electric heater;
At this point, the electronic proportioning valve water inlet and electrical proportional at heat preserving type water tank end are closed, connect to the power supply of water circulating pump It is completely switched off between the water outlet of valve, so that the heat preserving type water tank, which is in, stops using state.
In this way, in the case where can guarantee that water flow is sufficient, hot water output water temperature is up to standard, without enabling the heat preserving type Water tank is user's hot-water supply using the instant electric water heater, realizes the intelligent control of water-heater system, while advantageous In saving electric energy.
Working condition two (the water heating method of heat preserving type water tank):
As shown in Figure 3b, when the controller detects the instant electric water heater's by the first flowmeter 9 In the case that water inlet end water flow is maximum flow of water, and detected most by first thermocouple 10, second thermocouple 101 When big heating temperature rise subtracts the water temperature temperature difference of inlet water temperature less than setting highest output water temperature, in the not used situation of user, Start the water circulating pump, adjust the electronic proportioning valve, and starts the instant electric water heater and enter heating work state, So that waterway channel switches are as follows:
Water outlet --- water heater hot-water water outlet 2 --- normally closed solenoid valve 3 --- four parts of instant electric water heater 5 --- --- water inlet end of heat preserving type water tank --- water outlet of heat preserving type water tank --- be electronic proportioning valve for water circulating pump The water inlet end of third end, second end --- instant electric water heater.
In this process, the hot water of instant electric water heater flows into the heat preservation by normally closed solenoid valve 3, four parts 5 Formula water tank, so that the hot water of the instant electric water heater and the cold water of the heat preserving type water tank constantly mix It closes, thus in the past, so that the water temperature of the heat preserving type water tank is gradually increasing, when the water temperature in the heat preserving type water tank rises When to setting value, control loop water pump stops working.
In this way, the instant electric water heater, the normally closed solenoid valve 3, constituting one between the heat preserving type water tank A circulation loop, so that the water temperature in the heat preserving type water tank rises, at low ambient temperatures, to be stored up by the heat preserving type The warm water of water tank and the cold water of the water heater tap water water inlet end 1 are pre-mixed, and enter back into the instant electric water heater In heated, can greatly improve heating efficiency and heating temperature, and advantageously ensure that water is in liberal supply, and then advantageous In overcome existing instant electric water heater the drawbacks of, meets water demand under low temperature environment, improve the user experience.
Working condition three (water temperature of heat preserving type water tank compensates water-out manners):
As shown in Figure 3c, work heating limit value of the tap water water temperature lower than the instant electric water heater is being detected, when When user uses hot water, start the water circulating pump work, electrical proportional valve actuating mechanism drives corresponding spool, adjusts 2 The corresponding proportion of water inlet (water outlet of the water heater tap water water inlet end 1 and the heat preserving type water tank), makes electronics ratio The water outlet water temperature of example valve meets or exceeds the minimum limit value water temperature of the water inlet end of water heater, passes through the instant electric water heater Work heating, makes the water outlet water temperature of the instant electric water heater reach corresponding set temperature, therefore waterway channel is switched Are as follows:
Path one: water heater tap water water inlet end 1 --- first end, the second ends of four parts 5 --- be electronic proportioning valve First end, second end --- instant electric water heater;
Path two: the water outlet of the heat preserving type water tank --- the third end of electronic proportioning valve, second end --- is i.e. hot Formula electric heater.
Wherein, electronic proportioning valve specific structure as shown in fig. 7, comprises valve body 12 and be mounted on it is cold in the valve body 12 Hot water mixing chamber 13, water-mixing valve core 14, thermocouple 15, the water-mixing valve core 14 is by actuating motor mechanism driving 16, the execution Motor mechanism is controlled by control panel 17, and the valve body 12 has the hot water or cold water being connected to the hot and cold water mixing chamber 13 Entrance 18, cold water or hot water inlet 19, mixed water exports 20.
In this way, at low ambient temperatures, realizing the lower tap water of temperature and the higher heat preserving type of temperature by electronic proportioning valve The water of water tank first carries out mixed heat according to set proportion, and the water for then mixing heat, which enters in the instant electric water heater, to carry out Heating, can greatly improve heating efficiency and heating temperature, and advantageously ensure that water is in liberal supply, and then be conducive to overcome The drawbacks of existing instant electric water heater, meets water demand under low temperature environment, improves the user experience.
Working condition four (carries out the temperature-compensating of heat preserving type water tank by the external cold/hot water tube loop of water heater):
As shown in Figure 3d, the water-heater system further includes second one-way valve 81;The water heater hot-water water outlet 2 passes through Hot water is connected to the water inlet of the second one-way valve 81 using end, the water outlet of the second one-way valve 81 connect tap water into The mouth of a river 6, the tap water water inlet 6 are connected to the water heater tap water water inlet end 1.
Water temperature compensates path are as follows:
--- --- hot water uses end --- second of water heater hot-water water outlet 2 is unidirectional for the water outlet of instant electric water heater --- --- water heater tap water water inlet end 1 --- first end of four parts 5, third end --- follows tap water water inlet 6 valve 81 Ring water pump --- the water inlet end of heat preserving type water tank.
It is closed at this point, controlling the normally closed solenoid valve 3.
Working condition five (carries out the temperature-compensating of heat preserving type water tank by the external cold/hot water tube loop of water heater):
As shown in Figure 3 e, the water-heater system further includes the second three-way piece, third check valve 83;The water heater hot-water Water outlet 2 is connected to the water inlet of the third check valve 83, the water outlet of the third check valve 83 by hot water using end The first end of second three-way piece is connected, the second end of second three-way piece connects the water heater tap water water inlet end 1, The third end of second three-way piece connects tap water water inlet 6.Second three-way piece is tee tube or triple valve.
Water temperature compensates path are as follows:
Water outlet --- water heater hot-water water outlet 2 --- hot water uses end --- hot water backwater of instant electric water heater Manage --- --- first end, the second end of the second three-way piece --- water heater tap water water inlet end 1 --- four of third check valve 83 The water inlet end of the first ends of parts 5, third end --- water circulating pump --- heat preserving type water tank.
To sum up five kinds of working conditions are, it can be achieved that avoid the water-heater system due to needing the heat preserving type water tank Water temperature heating is excessively high, causes the leading to the problem of of scale, water heater volume excessive, also can solve the instant electric water heater When tap water water temperature is too low, the water temperature of water outlet, the defect that water flow is insufficient and power supply circuit load is excessive.
As in wherein another preferred embodiment, as shown in Fig. 2, the water heater is instant electric water heater, wrap The first check valve 8 is included, the second end of four parts 5 is connect with the water inlet end of first check valve 8, first check valve 8 water outlet is connect with the first end of first three-way piece 7;First three-way piece 7 is three-way connector or tee tube, institute Stating water pump is the water circulating pump with speed-regulating function, and the three-way connector is electrically connected with the controller.Wherein, the present embodiment The circuit structure of water-heater system as shown in figure 5, the controller is central processing unit, for control the three-way connector, The electric appliances such as the water circulating pump with speed-regulating function, and can be to the first flowmeter 9, the second flowmeter 91, described One thermocouple 10, second thermocouple 101, the collected water flow signal of the third thermocouple 102, temperature signal carry out Processing, and execute corresponding working condition.
The working principle and technical effect of the present embodiment are specific as follows:
Working condition one (the i.e. heating method of water heater):
As shown in fig. 4 a, when the controller detects the instant electric water heater's by the first flowmeter 9 In the case that water inlet end water flow is maximum flow of water, and detected most by first thermocouple 10, second thermocouple 101 When big heating temperature rise subtracts the water temperature temperature difference of inlet water temperature more than or equal to setting highest output water temperature, by four parts 5 First end, second end are opened, and the first end of the three-way connector, second end are opened, start the instant electric water heater into Enter heating work state, so that waterway channel switches are as follows:
--- --- four parts 5 --- the first check valve 8 --- three of water heater tap water water inlet end 1 of tap water water inlet 6 Leading to fitting, --- water heater hot-water goes out the water inlet end of instant electric water heater --- water outlet of instant electric water heater --- Water end (W.E.) 2;
At this point, the three-way connector that heat preserving type water tank end was closed, connect to the power supply of the water circulating pump with speed-regulating function enters water It is completely switched off between mouth and the water outlet of three-way connector, so that the heat preserving type water tank, which is in, stops using state.
In this way, in the case where can guarantee that water flow is sufficient, hot water output water temperature is up to standard, without enabling the heat preserving type Water tank is user's hot-water supply using the instant electric water heater, realizes the intelligent control of water-heater system, while advantageous In saving electric energy.
Working condition two (the water heating method of heat preserving type water tank):
As shown in Figure 4 b, when the controller detects the instant electric water heater's by the first flowmeter 9 In the case that water inlet end water flow is maximum flow of water, and detected most by first thermocouple 10, second thermocouple 101 When big heating temperature rise subtracts the water temperature temperature difference of inlet water temperature less than setting highest output water temperature, in the not used situation of user, Start the water circulating pump with speed-regulating function, adjust the three-way connector, and starts the instant electric water heater and enter Heating work state, so that waterway channel switches are as follows:
Water outlet --- water heater hot-water water outlet 2 --- normally closed solenoid valve 3 --- four parts of instant electric water heater The 5 --- --- water inlet ends of heat preserving type water tank --- water outlet of heat preserving type water tank --- of the water circulating pump with speed-regulating function The water inlet end of the third end of three-way connector, second end --- instant electric water heater.
In this process, the hot water of instant electric water heater flows into the heat preservation by normally closed solenoid valve 3, four parts 5 Formula water tank, so that the hot water of the instant electric water heater and the cold water of the heat preserving type water tank constantly mix It closes, thus in the past, so that the water temperature of the heat preserving type water tank is gradually increasing, when the water temperature in the heat preserving type water tank rises When to setting value, water circulating pump of the control with speed-regulating function stops working.
In this way, the instant electric water heater, the normally closed solenoid valve 3, constituting one between the heat preserving type water tank A circulation loop, so that the water temperature in the heat preserving type water tank rises, at low ambient temperatures, to be stored up by the heat preserving type The warm water of water tank and the cold water of the water heater tap water water inlet end 1 are pre-mixed, and enter back into the instant electric water heater In heated, can greatly improve heating efficiency and heating temperature, and advantageously ensure that water is in liberal supply, and then advantageous In overcome existing instant electric water heater the drawbacks of, meets water demand under low temperature environment, improve the user experience.
Working condition three (water temperature of heat preserving type water tank compensates water-out manners):
As illustrated in fig. 4 c, work heating limit value of the tap water water temperature lower than the instant electric water heater is being detected, when When user uses hot water, start the water circulating pump work with speed-regulating function, three-way connector executing agency drives corresponding Spool adjusts the corresponding ratio of 2 water inlets (water outlet of the water heater tap water water inlet end 1 and the heat preserving type water tank) Example, makes the water outlet water temperature of three-way connector meet or exceed the minimum limit value water temperature of the water inlet end of water heater, is by described Heated electric water heater work heating makes the water outlet water temperature of the instant electric water heater reach corresponding set temperature, therefore will Waterway channel switching are as follows:
Path one: water heater tap water water inlet end 1 --- first end, the second ends of four parts 5 --- first check valve 8 --- first end, the second end of three-way connector --- instant electric water heaters;
Path two: the water outlet of the heat preserving type water tank --- the third end of three-way connector, second end --- is i.e. hot Formula electric heater.
In this way, at low ambient temperatures, realizing the lower tap water of temperature and temperature by the first check valve 8, three-way connector The water of higher heat preserving type water tank first carries out mixed heat according to set proportion, and the water for then mixing heat enters the instant heating type electricity It is heated in water heater, can greatly improve heating efficiency and heating temperature, and advantageously ensure that water is in liberal supply, into And be conducive to the drawbacks of overcoming existing instant electric water heater, meet water demand under low temperature environment, improves the user experience.
Working condition four (carries out the temperature-compensating of heat preserving type water tank by the external cold/hot water tube loop of water heater):
As shown in figure 4d, the water-heater system further includes second one-way valve 81;The water heater hot-water water outlet 2 passes through Hot water is connected to the water inlet of the second one-way valve 81 using end, the water outlet of the second one-way valve 81 connect tap water into The mouth of a river 6, the tap water water inlet 6 are connected to the water heater tap water water inlet end 1.
Water temperature compensates path are as follows:
--- --- hot water uses end --- second of water heater hot-water water outlet 2 is unidirectional for the water outlet of instant electric water heater --- --- water heater tap water water inlet end 1 --- first end of the four parts 5, third end --- band of tap water water inlet 6 of valve 81 The water circulating pump of speed-regulating function --- the water inlet end of heat preserving type water tank.
It is closed at this point, controlling the normally closed solenoid valve 3.
Working condition five (carries out the temperature-compensating of heat preserving type water tank by the external cold/hot water tube loop of water heater):
As shown in fig 4e, the water-heater system further includes the second three-way piece, third check valve 83;The water heater hot-water Water outlet 2 is connected to the water inlet of the third check valve 83, the water outlet of the third check valve 83 by hot water using end The first end of second three-way piece is connected, the second end of second three-way piece connects the water heater tap water water inlet end 1, The third end of second three-way piece connects tap water water inlet 6.Second three-way piece is tee tube or triple valve.
Water temperature compensates path are as follows:
Water outlet --- water heater hot-water water outlet 2 --- hot water uses end --- hot water backwater of instant electric water heater Manage --- --- first end, the second end of the second three-way piece --- water heater tap water water inlet end 1 --- four of third check valve 83 The first end of parts 5, third end --- water circulating pump with speed-regulating function --- water inlet end of heat preserving type water tank.
To sum up five kinds of working conditions are, it can be achieved that avoid the water-heater system due to needing the heat preserving type water tank Water temperature heating is excessively high, causes the leading to the problem of of scale, water heater volume excessive, also can solve the instant electric water heater When tap water water temperature is too low, the water temperature of water outlet, the defect that water flow is insufficient and power supply circuit load is excessive.
Compared with the prior art, water-heater system of the invention, in conjunction with the heat preserving type water tank, the normally closed electromagnetism Valve extends instant electric water heater's heating work time span, reduces instant electric water heater's short time period as far as possible Interior maximum power dissipation, and avoid the risk hidden danger caused by conventional household route;It solves under cryogenic conditions simultaneously, hot water is defeated Water temperature is up to standard out, water flows through minor issue, switches in conjunction with water route, controls water temperature, solves storage-type electric water heater scale and generates The problem of, be conducive to improve water quality.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as Protection scope of the present invention.

Claims (10)

1. a kind of water-heater system, which is characterized in that including water heater, heat preserving type water tank, controller, water heater tap water into Water end (W.E.), water heater hot-water water outlet, normally closed solenoid valve, four parts, the first three-way piece, water pump;
Be equipped with the thermocouple for detecting water temperature in the water heater, the heat preserving type water tank, the controller respectively with The water heater, the heat preserving type water tank, the thermocouple, the normally closed solenoid valve, water pump electrical connection;
The water heater tap water water inlet end is connect with the first end of four parts, the second end of four parts and described the The first end of one three-way piece connects, and the second end of first three-way piece is connect with the water inlet end of the water heater, the hot water The water outlet of device is connect with the water heater hot-water water outlet;
The third end of four parts is connect by the water pump with the water inlet end of the heat preserving type water tank, the heat preserving type storage The water outlet of water tank is connect with the third end of first three-way piece;
The water outlet of the water heater is connect by the normally closed solenoid valve with the 4th end of four parts.
2. water-heater system as described in claim 1, which is characterized in that first three-way piece is electronic proportioning valve, described Water pump is water circulating pump, and the electronic proportioning valve is electrically connected with the controller.
3. water-heater system as described in claim 1, which is characterized in that the water-heater system further includes the first check valve, The second end of four parts is connect with the water inlet end of first check valve, the water outlet of first check valve and described the The first end of one three-way piece connects;
First three-way piece is three-way connector, and the water pump is the water circulating pump with speed-regulating function.
4. water-heater system as described in claim 1, which is characterized in that the thermocouple includes electric with the controller respectively The first thermocouple, the second thermocouple, third thermocouple of connection;
First the installation of TC is in the water inlet end pipeline of the water heater, and second the installation of TC is in the hot water In the water outlet pipeline of device, the third the installation of TC is in the heat preserving type water tank.
5. water-heater system as described in claim 1, which is characterized in that the water-heater system further include respectively with the control First flowmeter, the second flowmeter of device electrical connection processed;
The first flowmeter is mounted in the connecting line between the water heater tap water water inlet end and four parts, institute It states in the connecting line that second flowmeter is mounted between the water outlet of the water heater and the hot water effluent end.
6. water-heater system as described in claim 1, which is characterized in that four parts are four-way valve or four-way pipe.
7. water-heater system as described in claim 1, which is characterized in that the water heater is electric heater or instant electric Hydrophone.
8. water-heater system as described in any one of claims 1 to 7, which is characterized in that the water-heater system further includes Two check valves;
The water heater hot-water water outlet is connected to the water inlet of the second one-way valve by hot water using end, and described second is single Tap water water inlet is connected to the water outlet of valve, the tap water water inlet is connected to the water heater tap water water inlet end.
9. water-heater system as described in any one of claims 1 to 7, which is characterized in that the water-heater system further includes Two three-way pieces, third check valve;
The water heater hot-water water outlet is connected to the water inlet of the third check valve, the third list by hot water using end The first end of second three-way piece is connected to the water outlet of valve, the second end of second three-way piece connects the water heater certainly The third end of water water inlet end, second three-way piece connects tap water water inlet.
10. water-heater system as claimed in claim 9, which is characterized in that second three-way piece is tee tube or triple valve.
CN201910763431.6A 2019-08-16 2019-08-16 A kind of water-heater system Pending CN110440443A (en)

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