CN105135681A - Water heating system and control method thereof - Google Patents
Water heating system and control method thereof Download PDFInfo
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- CN105135681A CN105135681A CN201510508152.7A CN201510508152A CN105135681A CN 105135681 A CN105135681 A CN 105135681A CN 201510508152 A CN201510508152 A CN 201510508152A CN 105135681 A CN105135681 A CN 105135681A
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Abstract
The invention discloses a water heating system and a control method thereof. The water heating system comprises a gas-fired water heater, an electric water heater, a cold water pipe and an instant-heating constant-temperature water mixing valve, wherein a hot water outlet of the gas-fired water heater is connected with a water inlet of the electric water heater through a hot water pipe; one end of the cold water pipe is connected with a municipal water supply, and the other end of the cold water pipe is connected with a cold water inlet of the of the gas-fired water heater; the instant-heating constant-temperature water mixing valve is provided with a hot water inlet and a cold water inlet, the hot water inlet is connected with a water outlet of the electric water heater, and the cold water inlet is connected with the other end of the cold water pipe; the instant-heating constant-temperature water mixing valve is used for heating water flow at the hot water inlet when the temperature of water at the hot water inlet is lower than the set temperature of the gas-fired water heater and carrying out constant-temperature control over the heated water flow. The water heating system enables the water temperature to be more accurate, and therefore the purpose of stepless temperature adjustment is realized. Even though hot water is used for the first time, the outlet water temperature at the water use spot is not too low, water use comfort is improved, and user experience is improved.
Description
Technical field
The present invention relates to technical field of electric appliances, particularly the control method of a kind of hot-water heating system and hot-water heating system.
Background technology
Water heater is mainly divided into four classes, i.e. electric heater, gas heater, solar water heater and air-source water heater, and the water heater of Four types respectively has pluses and minuses, is applicable to the demand of different crowd.Along with improving constantly of people's living standard, the requirement of people to hot water is also more and more higher, and such as, demand using amount of hot water constantly increases, namely need to turn on the tap has hot water, simultaneously with water spot number increase etc.
But, the hot-water heating system that gas heater and electric heater are connected in series is difficult to alleviate pipeline cold water to the impact of leaving water temperature and water pressure fluctuations to the impact of leaving water temperature etc. due to electric heater (such as little kitchen precious) small volume, such as, when management between gas heater and electric heater is longer, when user uses hot water tap, what start to enter electric heater is cold water, this can reduce the water temperature in electric heater very soon, so that the leaving water temperature of electric heater reduces larger, affect comfort level, in addition, when family's total water feeding pressure fluctuation is larger, heat hydraulic pressure is little for bathroom water point cold water pressure fluctuation ratio, cause water temperature can be sometimes hot and sometimes cold, thus affect the use of hot water, Consumer's Experience is caused to be deteriorated.
Summary of the invention
Object of the present invention is intended to solve one of above-mentioned technical problem at least to a certain extent.
For this reason, first object of the present invention is to propose a kind of hot-water heating system.This system can make water temperature more accurate, thus achieves the object of stepless temperature-regulating, even when making to use hot water for the first time, also can not make with the leaving water temperature of water spot lower, improve the comfort level with water, improve Consumer's Experience.
Second object of the present invention is the control method proposing a kind of hot-water heating system.
To achieve these goals, the hot-water heating system of first aspect present invention embodiment, comprising: gas heater and electric heater, and the hot water outlet of described gas heater is connected by the water inlet of hot-water line with described electric heater; Cold water pipe, one end of described cold water pipe is connected with municipal water supply, and the other end of described cold water pipe is connected with the cold water inlet of described gas heater; Instant heating constant-temperature water mixing valve, described instant heating constant-temperature water mixing valve has water inlet of hot water and cold water inlet, described water inlet of hot water is connected with the delivery port of described electric heater, described cold water inlet is connected with the other end of described cold water pipe, described instant heating constant-temperature water mixing valve is used for when set temperature lower than described gas heater of the water temperature of described water inlet of hot water, the current of described water inlet of hot water are heated, and thermostatic control is carried out to the current after heating.
According to the hot-water heating system of the embodiment of the present invention, by the heating function of instant heating constant-temperature water mixing valve, make still can provide hot water when water temperature is lower in electric heater, and pass through the temperature incubation function of instant heating constant-temperature water mixing valve, make the leaving water temperature of instant heating constant-temperature water mixing valve more close to the set temperature of gas heater, make water temperature more accurate, thus achieve the object of stepless temperature-regulating, even when making to use hot water for the first time, also can not make with the leaving water temperature of water spot lower, improve the comfort level with water, improve Consumer's Experience.
According to one embodiment of present invention, described instant heating constant-temperature water mixing valve comprises: temperature detecting module, for detecting the water temperature of described water inlet of hot water; Control module, described control module is connected with described temperature detecting module, for the water temperature of described water inlet of hot water is sent to described gas heater, to make described gas heater the water temperature of described water inlet of hot water and described set temperature be contrasted, and described water inlet of hot water water temperature lower than during described set temperature to described control module sending controling instruction; I.e. thermal modules, described i.e. thermal modules is connected with described control module, the computer heating control instruction that described i.e. thermal modules generates according to described control instruction for receiving described control module, and heat according to the current of described computer heating control instruction to described water inlet of hot water; And thermostat module, described thermostat module is connected with described control module with described i.e. thermal modules respectively, for carrying out thermostatic control by the aperture of adjustment cold valves and hot water valve to the current after heating, goes out water termostat with what guarantee described instant heating constant-temperature water mixing valve.
According to one embodiment of present invention, described control module also for: when the water temperature of described water inlet of hot water is higher than described set temperature, control described i.e. thermal modules not heat, and control the aperture that described thermostat module reduces described hot water valve and be reduced to described set temperature to make the water temperature of described water inlet of hot water.
According to one embodiment of present invention, described hot-water heating system also comprises: check-valves, one end of described check-valves is connected with water source, and the other end of described check-valves is connected with one end of described cold water pipe, and described check-valves is for one-way conduction on the direction of described water source to described cold water pipe.
According to one embodiment of present invention, described instant heating constant-temperature water mixing valve is communicated with described gas heater by RF communication.
To achieve these goals, the control method of the hot-water heating system of second aspect present invention embodiment, described hot-water heating system comprises: gas heater and electric heater, cold water pipe and instant heating constant-temperature water mixing valve, wherein, the hot water outlet of described gas heater is connected by the water inlet of hot-water line with described electric heater, one end of described cold water pipe is connected with municipal water supply, the other end of described cold water pipe is connected with the cold water inlet of described gas heater, described instant heating constant-temperature water mixing valve has water inlet of hot water and cold water inlet, described water inlet of hot water is connected with the delivery port of described electric heater, described cold water inlet is connected with the other end of described cold water pipe, described control method comprises: described instant heating constant-temperature water mixing valve detects the water temperature of described water inlet of hot water, and described instant heating constant-temperature water mixing valve is when set temperature lower than described gas heater of the water temperature of described water inlet of hot water, heats, and carry out thermostatic control to the current after heating to the current of described water inlet of hot water.
According to the control method of the hot-water heating system of the embodiment of the present invention, when user opens hot water tap, instant heating constant-temperature water mixing valve can detect the water temperature of the water inlet of hot water of instant heating constant-temperature water mixing valve, and when set temperature lower than gas heater of the water temperature of water inlet of hot water, the current of water inlet of hot water are heated, and thermostatic control is carried out to the current after heating, water termostat is gone out with what guarantee instant heating constant-temperature water mixing valve, make water temperature more accurate, thus achieve the object of stepless temperature-regulating, even when making to use hot water for the first time, also can not make with the leaving water temperature of water spot lower, improve the comfort level with water, improve Consumer's Experience.
According to one embodiment of present invention, described instant heating constant-temperature water mixing valve is when set temperature lower than described gas heater of the water temperature of described water inlet of hot water, the current of described water inlet of hot water are heated, and thermostatic control is carried out to the current after heating, specifically comprise: the water temperature of described water inlet of hot water is sent to described gas heater by described instant heating constant-temperature water mixing valve; The water temperature of described water inlet of hot water and described set temperature contrast by described gas heater, and described water inlet of hot water water temperature lower than during described set temperature to described instant heating constant-temperature water mixing valve sending controling instruction; Described instant heating constant-temperature water mixing valve generates corresponding computer heating control instruction according to described control instruction, and heats according to the current of described computer heating control instruction to described water inlet of hot water; Described instant heating constant-temperature water mixing valve carries out thermostatic control by regulating the aperture of cold valves and hot water valve to the current after heating, and goes out water termostat with what guarantee described instant heating constant-temperature water mixing valve.
According to one embodiment of present invention, described control method also comprises: when the water temperature of described water inlet of hot water is higher than described set temperature, do not heat the current of described water inlet of hot water; And the aperture reducing described hot water valve is reduced to described set temperature to make the water temperature of described water inlet of hot water.
According to one embodiment of present invention, described instant heating constant-temperature water mixing valve is communicated with described gas heater by RF communication.
The aspect that the present invention adds and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
The present invention above-mentioned and/or additional aspect and advantage will become obvious and easy understand from the following description of the accompanying drawings of embodiments, wherein:
Fig. 1 is the structural representation of hot-water heating system according to an embodiment of the invention;
Fig. 2 is the flow chart of the control method of hot-water heating system according to an embodiment of the invention; And
Fig. 3 is the flow chart of the control method of hot-water heating system according to the present invention's specific embodiment.
Reference numeral:
10: gas heater; 20: electric heater; 30: cold water pipe; 40: instant heating constant-temperature water mixing valve; 50: hot-water line; 60: check-valves; 41: temperature detecting module; 42: control module; 43: i.e. thermal modules; 44: thermostat module; 100: water source; A1: the hot water outlet of gas heater; A2: the cold water inlet of gas heater; B1: the water inlet of electric heater; B2: the delivery port of electric heater; C1: the water inlet of hot water of hot constant-temperature water mixing valve; C2: the cold water inlet of hot constant-temperature water mixing valve.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
Below with reference to the accompanying drawings the control method of hot-water heating system according to the embodiment of the present invention and hot-water heating system is described.
Fig. 1 is the structural representation of hot-water heating system according to an embodiment of the invention.As shown in Figure 1, this hot-water heating system can comprise: gas heater 10, electric heater 20, cold water pipe 30 and instant heating constant-temperature water mixing valve 40.It should be noted that, what the direction of arrow shown in Fig. 1 can be regarded as current flows to direction.
Wherein, as shown in Figure 1, the hot water outlet A1 of gas heater 10 is connected with the water inlet B 1 of electric heater 20 by hot-water line 50, that is, electric heater 20 is connected with gas heater 10, and the water inlet of electric heater 20 is the water outlet of gas heater 10, it should be noted that, electric heater 20 in the embodiment of the present invention is electric water heater, and having water tank can carry out water storage.One end of cold water pipe 30 is connected with municipal water supply, and the other end of cold water pipe 30 is connected with the cold water inlet A2 of gas heater 10, and in addition, the other end of cold water pipe 30 also can be connected with water spot with other, for other provide cold water with water spot.
As shown in Figure 1, instant heating constant-temperature water mixing valve 40 has water inlet of hot water C1 and cold water inlet C2, and water inlet of hot water C1 is connected with the water outlet B 2 of electric heater 20 by hot-water line 50, and cold water inlet C2 is connected with the other end of cold water pipe 30.In an embodiment of the present invention, when instant heating constant-temperature water mixing valve 40 is used in the set temperature of water inlet of hot water C1 water temperature lower than gas heater 10, the current of water inlet of hot water C1 are heated, and thermostatic control is carried out to the current after heating.Be appreciated that the delivery port of instant heating constant-temperature water mixing valve 40 can be connected with water spot, for water spot (as bathroom with in water spot, kitchen with water spot etc.) provide through heating and hot water after thermostatic control.Wherein, in an embodiment of the present invention, the set temperature of gas heater 10 can be regarded as the temperature that hot water that gas heater 10 pre-sets reaches.
Specifically, in one embodiment of the invention, as shown in Figure 1, this instant heating constant-temperature water mixing valve 40 can comprise: temperature detecting module 41, control module 42, i.e. thermal modules 43 and thermostat module 44.Wherein, in an embodiment of the present invention, control module 42 is adjacent with temperature detecting module 41, and namely thermal modules 43 is connected with control module 42, and thermostat module 44 is connected with i.e. thermal modules 43 with control module 42 respectively.
Particularly, temperature detecting module 41 can be used for the water temperature detecting water inlet of hot water A1.Control module 42 can be used for the water temperature of water inlet of hot water C1 to be sent to gas heater 10, to make gas heater 10 water temperature of water inlet of hot water C1 and set temperature be contrasted, and water inlet of hot water C1 water temperature lower than during set temperature to control module 42 sending controling instruction.
Namely thermal modules 43 can be used for the computer heating control instruction that reception control module 42 generates according to control instruction, and heats according to the current of computer heating control instruction to water inlet of hot water C1.Thermostat module 44 can be used for by regulating the aperture of the cold valves in instant heating constant-temperature water mixing valve 40 and hot water valve to carry out thermostatic control to the current after heating, and goes out water termostat with what guarantee instant heating constant-temperature water mixing valve 40.
It should be noted that, in an embodiment of the present invention, control module 42 also can be used for: when the water temperature of water inlet of hot water C1 is higher than set temperature, control and thermal modules 43 do not heat, and control the aperture that thermostat module 44 reduces hot water valve and be reduced to set temperature to make the water temperature of water inlet of hot water C1.
In addition, in an embodiment of the present invention, instant heating constant-temperature water mixing valve 40 communicates with gas heater 10 by RF (RadioFrequency, radio frequency) communication.That is, in an embodiment of the present invention, instant heating constant-temperature water mixing valve 40 is sent to gas heater 10 by the water temperature of the water inlet of hot water A1 that temperature detecting module 41 detects by RF communication, also receives the control instruction of gas heater 10 transmission by RF communication.
Further, in one embodiment of the invention, as shown in Figure 1, this hot-water heating system also can comprise: check-valves 60, one end of check-valves 60 is connected with water source 100, the other end of check-valves 60 is connected with one end of cold water pipe 30, and check-valves 60 is used in one-way conduction on water source 100 to the direction of cold water pipe 30.Wherein, water source 100 can from municipal water supply.Thus, the water adverse current in cold water pipe 30 can be avoided, thus guarantee the unidirectional inflow gas heater 10 of water in cold water pipe 30 and respectively use water spot.
Below by as follows for the operation principle specifically introducing the hot-water heating system that the present invention proposes: RF wireless communication module, WIFI (WirelessFidelity, Wireless Fidelity) wireless communication module and control treatment module can be contained in gas heater 10; RF wireless communication module and control treatment module can be contained in electric heater 20; RF wireless communication module, temperature detecting module 41, control module 42, i.e. thermal modules 43 and thermostat module 44 can be contained in instant heating constant-temperature water mixing valve 40.Gas heater 10, interlock between electric heater 20 and instant heating constant-temperature water mixing valve 40 three are by realizing with under type: when gas heater 10 has detected certain discharge, and gas heater 10 can starting ignition; Electric heater 20 detects water temperature in water tank, and by the water temperature information detected wirelessly (as RF communication) send gas heater 10 to, this water temperature information and set temperature contrast by gas heater 10, if water temperature is more than or equal to set temperature in electric heater 20 water tank, then gas heater 10 will export with set temperature; If water temperature is less than set temperature in electric heater 20 water tank, then gas heater 10 will to export higher than set temperature, electric heater 20 starts heater work simultaneously, when electric heater 20 detects that in water tank, water temperature rises to set temperature, gas heater 10 sends control order and cuts out heater to electric heater 20 to make electric heater 20, controls gas heater 10 simultaneously and exports with set temperature.
When for the first time using hot water, because pipeline (pipeline as between gas heater 10 and electric heater 20) inner cold water is more, when user opens hot water tap, a large amount of cold water in pipeline will enter in electric heater 20, the leaving water temperature of electric heater 20 is caused to decline rapidly, electric heater 20 water is out through instant heating constant-temperature water mixing valve 40, the water temperature that instant heating constant-temperature water mixing valve 40 can detect into, and the water temperature value detected is sent to gas heater 10, this water temperature value and set temperature contrast by gas heater 10, if this water temperature value is lower than set temperature, then gas heater 10 sends instruction and heats with startup and thermal modules 43 to instant heating constant-temperature water mixing valve 40, water after heating enters thermostat module 44, thermostat module 44 is guaranteed water termostat by regulating the aperture of cold valves and hot water valve.When the water temperature entering i.e. thermal modules 43 is higher than set temperature, namely gas heater 10 receives temperature value that instant heating constant-temperature water mixing valve 40 transmits when judging higher than set temperature, gas heater 10 can not send instruction to control module 42, namely control module 42 can not control to be that thermal modules 43 heats, but water flows directly into thermostat module 44, when thermostat module 44 detects inflow temperature higher than set temperature, can automatically the aperture of hot water valve be reduced thus reduce leaving water temperature to set temperature.Thus truly realize stepless temperature-regulating, as heightened or turning down, and not by the impact of electric heater 20 leaving water temperature.
Can find out, the hot-water heating system of the embodiment of the present invention all adopts communication to communicate, gas heater 10 can directly control electric heater 20 thus realize gas heater and electric heater links, and without a central controller, co-ordination is carried out to gas heater and electric heater, eliminate central controller.In addition, by increasing instant heating constant-temperature water mixing valve in hot-water heating system, and heating and temperature incubation function are concentrated in instant heating constant-temperature water mixing valve, to realize the object of stepless temperature-regulating truly.
According to the hot-water heating system of the embodiment of the present invention, by the heating function of instant heating constant-temperature water mixing valve, make still can provide hot water when water temperature is lower in electric heater, and pass through the temperature incubation function of instant heating constant-temperature water mixing valve, make the leaving water temperature of instant heating constant-temperature water mixing valve more close to the set temperature of gas heater, make water temperature more accurate, thus achieve the object of stepless temperature-regulating, even when making to use hot water for the first time, also can not make with the leaving water temperature of water spot lower, improve the comfort level with water, improve Consumer's Experience.
In order to realize above-described embodiment, the invention allows for a kind of control method of hot-water heating system.
Fig. 2 is the flow chart of the control method of hot-water heating system according to an embodiment of the invention.It should be noted that, in an embodiment of the present invention, hot-water heating system can comprise: gas heater and electric heater, cold water pipe and instant heating constant-temperature water mixing valve, wherein, the hot water outlet of gas heater is connected with the water inlet of electric heater by hot-water line, one end of cold water pipe is connected with municipal water supply, the other end of cold water pipe is connected with the cold water inlet of gas heater, instant heating constant-temperature water mixing valve has water inlet of hot water and cold water inlet, water inlet of hot water is connected with the delivery port of electric heater, and cold water inlet is connected with the other end of cold water pipe.
As shown in Figure 2, the control method of this hot-water heating system can comprise:
S201, instant heating constant-temperature water mixing valve detects the water temperature of water inlet of hot water.
Such as, the water temperature of water inlet of hot water is detected by the temperature sensor in instant heating constant-temperature water mixing valve.
S202, instant heating constant-temperature water mixing valve, when set temperature lower than gas heater of the water temperature of water inlet of hot water, heats the current of water inlet of hot water, and carries out thermostatic control to the current after heating.
Wherein, in an embodiment of the present invention, set temperature can be regarded as the temperature that hot water that gas heater pre-sets reaches.Particularly, when using hot water with water spot, municipal water supply flows through gas heater by cold water pipe, and when gas heater has detected that certain current are through out-of-date, gas heater can starting ignition; Electric heater detects the water temperature in its water tank, and wirelessly send the water temperature information detected to gas heater, gas heater contrast set temperature, if the water tank water temperature of electric heater is more than or equal to set temperature, then gas heater exports current with set temperature; If the water tank water temperature of electric heater is less than set temperature, then gas heater is to export current higher than set temperature, electric heater starts heater work simultaneously, when electric heater monitors that in water tank, water temperature is raised to set temperature, gas heater sends instruction to electric heater to cut out heater, controls gas heater simultaneously and exports with set temperature.The current exported from electric heater enter instant heating constant-temperature water mixing valve, instant heating constant-temperature water mixing valve detects the water temperature of its water inlet of hot water, and when set temperature lower than gas heater of the water temperature of this water inlet of hot water, the current of water inlet of hot water are heated, and thermostatic control is carried out to the current after heating, to make the leaving water temperature of instant heating constant-temperature water mixing valve remain in the scope of set temperature, make leaving water temperature more comfortable.
Specifically, in an embodiment of the present invention, as shown in Figure 3, above-mentioned steps S202 can comprise:
S2021, the water temperature of water inlet of hot water is sent to gas heater by instant heating constant-temperature water mixing valve.
Such as, when first use hot water, because pipeline (pipeline as between gas heater and electric heater) inner cold water is more, when user opens hot water tap, a large amount of cold water in pipeline will enter in electric heater, cause the leaving water temperature of electric heater to decline rapidly, electric heater well cover instant heating constant-temperature water mixing valve out, instant heating constant-temperature water mixing valve can detect the water temperature of its water inlet of hot water, and the water temperature value detected is sent to gas heater.
S2022, the water temperature of water inlet of hot water and set temperature contrast by gas heater, and water inlet of hot water water temperature lower than during set temperature to instant heating constant-temperature water mixing valve sending controling instruction.
Particularly, the water temperature of the water inlet of hot water that instant heating constant-temperature water mixing valve can send by gas heater and set temperature are compared, if the water temperature of this water inlet of hot water is lower than set temperature, then gas heater can send instructions to instant heating constant-temperature water mixing valve.
S2023, instant heating constant-temperature water mixing valve generates corresponding computer heating control instruction according to control instruction, and heats according to the current of computer heating control instruction to water inlet of hot water.
Particularly, instant heating constant-temperature water mixing valve receives the instruction that gas heater sends, and generate corresponding computer heating control instruction according to this instruction, the i.e. thermal modules in instant heating constant-temperature water mixing valve can be started afterwards according to this computer heating control instruction, make it heat the current of water inlet of hot water.
S2024, instant heating constant-temperature water mixing valve carries out thermostatic control by regulating the aperture of cold valves and hot water valve to the current after heating, and goes out water termostat with what guarantee instant heating constant-temperature water mixing valve.
Particularly, the water after heating enters the thermostat module in instant heating constant-temperature water mixing valve, and what this thermostat module guaranteed instant heating constant-temperature water mixing valve by the aperture of the cold valves and hot water valve that regulate instant heating constant-temperature water mixing valve goes out water termostat.
Further, in one embodiment of the invention, this control method also can comprise: when the water temperature of water inlet of hot water is higher than set temperature, do not heat the current of water inlet of hot water; And the aperture reducing hot water valve is reduced to set temperature to make the water temperature of water inlet of hot water.Particularly, when the water temperature entering the i.e. thermal modules in instant heating constant-temperature water mixing valve is higher than set temperature, gas heater can not send instruction to instant heating constant-temperature water mixing valve, namely instant heating constant-temperature water mixing valve can not start is that thermal modules heats, but the water of water inlet of hot water flows directly into thermostat module, thermostat module detects that inflow temperature is higher than set temperature, can automatically the aperture of hot water valve be reduced thus reduce leaving water temperature to set temperature.Thus truly realize stepless temperature-regulating, as heightened or turning down, and not by the impact of electric water heater water exit temperature.
Wherein, in an embodiment of the present invention, instant heating constant-temperature water mixing valve communicates with gas heater by RF communication.That is, in an embodiment of the present invention, instant heating constant-temperature water mixing valve is sent to gas heater by the water temperature of the water inlet of hot water that temperature sensor detects by RF communication, also receives the control instruction of gas heater transmission by RF communication.
According to the control method of the hot-water heating system of the embodiment of the present invention, when user opens hot water tap, instant heating constant-temperature water mixing valve can detect the water temperature of the water inlet of hot water of instant heating constant-temperature water mixing valve, and when set temperature lower than gas heater of the water temperature of water inlet of hot water, the current of water inlet of hot water are heated, and thermostatic control is carried out to the current after heating, water termostat is gone out with what guarantee instant heating constant-temperature water mixing valve, make water temperature more accurate, thus achieve the object of stepless temperature-regulating, even when making to use hot water for the first time, also can not make with the leaving water temperature of water spot lower, improve the comfort level with water, improve Consumer's Experience.
In describing the invention, it is to be appreciated that term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or the implicit quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In describing the invention, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this description or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (9)
1. a hot-water heating system, is characterized in that, comprising:
Gas heater and electric heater, the hot water outlet of described gas heater is connected by the water inlet of hot-water line with described electric heater;
Cold water pipe, one end of described cold water pipe is connected with municipal water supply, and the other end of described cold water pipe is connected with the cold water inlet of described gas heater; And
Instant heating constant-temperature water mixing valve, described instant heating constant-temperature water mixing valve has water inlet of hot water and cold water inlet, described water inlet of hot water is connected with the delivery port of described electric heater, described cold water inlet is connected with the other end of described cold water pipe, described instant heating constant-temperature water mixing valve is used for when set temperature lower than described gas heater of the water temperature of described water inlet of hot water, the current of described water inlet of hot water are heated, and thermostatic control is carried out to the current after heating.
2. hot-water heating system as claimed in claim 1, it is characterized in that, described instant heating constant-temperature water mixing valve comprises:
Temperature detecting module, for detecting the water temperature of described water inlet of hot water;
Control module, described control module is connected with described temperature detecting module, for the water temperature of described water inlet of hot water is sent to described gas heater, to make described gas heater the water temperature of described water inlet of hot water and described set temperature be contrasted, and described water inlet of hot water water temperature lower than during described set temperature to described control module sending controling instruction;
I.e. thermal modules, described i.e. thermal modules is connected with described control module, the computer heating control instruction that described i.e. thermal modules generates according to described control instruction for receiving described control module, and heat according to the current of described computer heating control instruction to described water inlet of hot water; And
Thermostat module, described thermostat module is connected with described control module with described i.e. thermal modules respectively, for carrying out thermostatic control by the aperture of adjustment cold valves and hot water valve to the current after heating, goes out water termostat with what guarantee described instant heating constant-temperature water mixing valve.
3. hot-water heating system as claimed in claim 2, it is characterized in that, described control module also for: when the water temperature of described water inlet of hot water is higher than described set temperature, control described i.e. thermal modules not heat, and control the aperture that described thermostat module reduces described hot water valve and be reduced to described set temperature to make the water temperature of described water inlet of hot water.
4. hot-water heating system as claimed in claim 1, is characterized in that, also comprise:
Check-valves, one end of described check-valves is connected with water source, and the other end of described check-valves is connected with one end of described cold water pipe, and described check-valves is for one-way conduction on the direction of described water source to described cold water pipe.
5. hot-water heating system as claimed in claim 2, it is characterized in that, described instant heating constant-temperature water mixing valve is communicated with described gas heater by RF communication.
6. the control method of a hot-water heating system, it is characterized in that, described hot-water heating system comprises: gas heater and electric heater, cold water pipe and instant heating constant-temperature water mixing valve, wherein, the hot water outlet of described gas heater is connected by the water inlet of hot-water line with described electric heater, one end of described cold water pipe is connected with municipal water supply, the other end of described cold water pipe is connected with the cold water inlet of described gas heater, described instant heating constant-temperature water mixing valve has water inlet of hot water and cold water inlet, described water inlet of hot water is connected with the delivery port of described electric heater, described cold water inlet is connected with the other end of described cold water pipe, described control method comprises:
Described instant heating constant-temperature water mixing valve detects the water temperature of described water inlet of hot water; And
Described instant heating constant-temperature water mixing valve, when set temperature lower than described gas heater of the water temperature of described water inlet of hot water, heats the current of described water inlet of hot water, and carries out thermostatic control to the current after heating.
7. the control method of hot-water heating system as claimed in claim 6, it is characterized in that, described instant heating constant-temperature water mixing valve is when set temperature lower than described gas heater of the water temperature of described water inlet of hot water, the current of described water inlet of hot water are heated, and thermostatic control is carried out to the current after heating, specifically comprise:
The water temperature of described water inlet of hot water is sent to described gas heater by described instant heating constant-temperature water mixing valve;
The water temperature of described water inlet of hot water and described set temperature contrast by described gas heater, and described water inlet of hot water water temperature lower than during described set temperature to described instant heating constant-temperature water mixing valve sending controling instruction;
Described instant heating constant-temperature water mixing valve generates corresponding computer heating control instruction according to described control instruction, and heats according to the current of described computer heating control instruction to described water inlet of hot water;
Described instant heating constant-temperature water mixing valve carries out thermostatic control by regulating the aperture of cold valves and hot water valve to the current after heating, and goes out water termostat with what guarantee described instant heating constant-temperature water mixing valve.
8. the control method of hot-water heating system as claimed in claim 7, is characterized in that, also comprise:
When the water temperature of described water inlet of hot water is higher than described set temperature, the current of described water inlet of hot water are not heated; And
The aperture reducing described hot water valve is reduced to described set temperature to make the water temperature of described water inlet of hot water.
9. the control method of hot-water heating system as claimed in claim 7, it is characterized in that, described instant heating constant-temperature water mixing valve is communicated with described gas heater by RF communication.
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Effective date of registration: 20230613 Address after: 241000 west side of 3 / F, No.5 office building, new energy and new materials gathering area, Fuzhou Road, Jiangbei District, Wuhu City, Anhui Province Patentee after: Wuhu Midea intelligent kitchen electricity Manufacturing Co.,Ltd. Address before: 241009 Wan Chun East Road, East Wuhu economic and Technological Development Zone, Wuhu, Anhui Patentee before: WUHU MIDEA KITCHEN AND BATH APPLIANCES MFG. Co.,Ltd. Patentee before: MIDEA GROUP Co.,Ltd. |