CN105135681B - The control method of hot-water heating system and hot-water heating system - Google Patents

The control method of hot-water heating system and hot-water heating system Download PDF

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Publication number
CN105135681B
CN105135681B CN201510508152.7A CN201510508152A CN105135681B CN 105135681 B CN105135681 B CN 105135681B CN 201510508152 A CN201510508152 A CN 201510508152A CN 105135681 B CN105135681 B CN 105135681B
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water
hot
temperature
water inlet
mixing valve
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CN105135681A (en
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曾云
梁国源
谢帆
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Midea Group Co Ltd
Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd
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Midea Group Co Ltd
Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd
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Abstract

The invention discloses a kind of hot-water heating system and its control methods, and wherein the system includes:The hot water outlet of gas heater and electric heater, gas heater is connected by hot-water line with the water inlet of electric heater;One end of cold water pipe, cold water pipe is connected with municipal water supply, and the other end of cold water pipe is connected with the cold water inlet of gas heater;I.e. hot constant-temperature water mixing valve, i.e. hot constant-temperature water mixing valve has water inlet of hot water and cold water inlet, water inlet of hot water is connected with the water outlet of electric heater, cold water inlet is connected with the other end of cold water pipe, i.e. hot constant-temperature water mixing valve is used for when the water temperature of water inlet of hot water is less than the setting temperature of gas heater, the flow of water inlet of hot water is heated, and thermostatic control is carried out to the flow after heating.The system so that water temperature is more accurate, to realize the purpose of stepless temperature-regulating so that even use hot water for the first time, will not to use the leaving water temperature of water spot relatively low, put forward the comfort level of high water usage, the user experience is improved.

Description

The control method of hot-water heating system and hot-water heating system
Technical field
The present invention relates to technical field of electric appliances, more particularly to the control method of a kind of hot-water heating system and hot-water heating system.
Background technology
Water heater is broadly divided into four classes, i.e. electric heater, gas heater, solar water heater and air-source water heater, The water heater of four types respectively has advantage and disadvantage, is suitble to the demand of different crowd.With the continuous improvement of people's living standards, people Requirement to hot water is also higher and higher, for example, demand amount of hot water is continuously increased, needing to turn on the tap i.e. has hot water while using Water spot number increase etc..
But the hot-water heating system that gas heater and electric heater are connected in series with is due to electric heater (such as small kitchen is precious) body Smaller product is difficult the influence of influence and water pressure fluctuations to leaving water temperature etc. for alleviating pipeline cold water to leaving water temperature, for example, working as When management between gas heater and electric heater is longer, when user uses hot water tap, initially enter electric heater is Cold water, this can reduce the water temperature in electric heater quickly, so that the leaving water temperature reduction of electric heater is larger, influence comfort level, In addition, when the total water feeding pressure fluctuation of family is larger, the fluctuation of bathroom water point cold water pressure is smaller than heat hydraulic pressure, leads to water temperature Can be sometimes hot and sometimes cold, to influence the use of hot water, user experience is caused to be deteriorated.
Invention content
The purpose of the present invention is intended to solve above-mentioned one of technical problem at least to a certain extent.
For this purpose, first purpose of the present invention is to propose a kind of hot-water heating system.The system can so that water temperature is more smart Standard, to realize the purpose of stepless temperature-regulating so that even use hot water for the first time, will not make the leaving water temperature with water spot It is relatively low, the comfort level with water is improved, the user experience is improved.
Second object of the present invention is to propose a kind of control method of hot-water heating system.
To achieve the goals above, the hot-water heating system of first aspect present invention embodiment, including:Gas heater and electric heating The hot water outlet of hydrophone, the gas heater is connected by hot-water line with the water inlet of the electric heater;Cold water pipe, institute The one end for stating cold water pipe is connected with municipal water supply, the cold water inlet phase of the other end of the cold water pipe and the gas heater Even;I.e. hot constant-temperature water mixing valve, the i.e. hot constant-temperature water mixing valve have water inlet of hot water and cold water inlet, the water inlet of hot water It is connected with the water outlet of the electric heater, the cold water inlet is connected with the other end of the cold water pipe, i.e. the heat is permanent Warm water mixing valve be used for the water inlet of hot water water temperature be less than the gas heater setting temperature when, to the hot water into The flow at the mouth of a river is heated, and carries out thermostatic control to the flow after heating.
Hot-water heating system according to the ... of the embodiment of the present invention, by the heating function for being hot constant-temperature water mixing valve so that in electric hot water It still is able to provide hot water when water temperature is relatively low in device, and by being the temperature incubation function of hot constant-temperature water mixing valve so that i.e. hot constant temperature water mixing The leaving water temperature of valve is more nearly the setting temperature of gas heater so that water temperature is more accurate, to realize stepless temperature-regulating Purpose so that even use hot water for the first time, will not make relatively low with the leaving water temperature of water spot, improve comfortable with water Degree, the user experience is improved.
According to one embodiment of present invention, i.e. the hot constant-temperature water mixing valve includes:Temperature detecting module, for detecting State the water temperature of water inlet of hot water;Control module, the control module are connected with the temperature detecting module, are used for the hot water The water temperature of water inlet is sent to the gas heater, so that the gas heater is by the water temperature of the water inlet of hot water and institute It states setting temperature to be compared, and is sent out to the control module when the water temperature of the water inlet of hot water is less than the setting temperature Send control instruction;That is thermal modules, the i.e. thermal modules are connected with the control module, i.e. the thermal modules are for receiving the control Molding root tuber is instructed according to the computer heating control that the control instruction generates, and is intake to the hot water according to computer heating control instruction The flow of mouth is heated;And thermostat module, the thermostat module respectively with it is described i.e. thermal modules and the control module phase Even, thermostatic control is carried out to the flow after heating for the aperture by adjusting cold valves and hot water valve, it is described i.e. hot to ensure Constant-temperature water mixing valve goes out water termostat.
According to one embodiment of present invention, the control module is additionally operable to:It is higher than in the water temperature of the water inlet of hot water When the setting temperature, the control i.e. thermal modules control the thermostat module and reduce the hot water valve without heating Aperture is so that the water temperature of the water inlet of hot water is reduced to the setting temperature.
According to one embodiment of present invention, the hot-water heating system further includes:Check-valves, one end of the check-valves and water Source is connected, and the other end of the check-valves is connected with one end of the cold water pipe, and the check-valves is used at the water source to institute State one-way conduction on the direction of cold water pipe.
According to one embodiment of present invention, i.e. the hot constant-temperature water mixing valve passes through RF communications and the combustion gas Water heater is communicated.
To achieve the goals above, the control method of the hot-water heating system of second aspect of the present invention embodiment, the hot water system System includes:Gas heater and electric heater, cold water pipe and i.e. hot constant-temperature water mixing valve, wherein the hot water of the gas heater Water outlet is connected by hot-water line with the water inlet of the electric heater, and one end of the cold water pipe is connected with municipal water supply, institute The other end for stating cold water pipe is connected with the cold water inlet of the gas heater, it is described i.e. hot constant-temperature water mixing valve have hot water into The mouth of a river and cold water inlet, the water inlet of hot water are connected with the water outlet of the electric heater, the cold water inlet and institute The other end for stating cold water pipe is connected, and the control method includes:That is the hot constant-temperature water mixing valve detects the water inlet of hot water Water temperature;And the i.e. hot constant-temperature water mixing valve is less than the setting temperature of the gas heater in the water temperature of the water inlet of hot water When, the flow of the water inlet of hot water is heated, and thermostatic control is carried out to the flow after heating.
The control method of hot-water heating system according to the ... of the embodiment of the present invention, when user opens hot water tap, i.e., hot constant temperature The water temperature of the detectable i.e. water inlet of hot water of hot constant-temperature water mixing valve of water mixing valve, and it is less than gas and hot water in the water temperature of water inlet of hot water When the setting temperature of device, the flow of water inlet of hot water is heated, and thermostatic control is carried out to the flow after heating, to ensure I.e. hot constant-temperature water mixing valve goes out water termostat so that water temperature is more accurate, to realize the purpose of stepless temperature-regulating so that even When using hot water for the first time, it will not to use the leaving water temperature of water spot relatively low, improve the comfort level with water, improve user's body It tests.
According to one embodiment of present invention, i.e. the hot constant-temperature water mixing valve is less than institute in the water temperature of the water inlet of hot water When stating the setting temperature of gas heater, the flow of the water inlet of hot water is heated, and the flow after heating is carried out Thermostatic control specifically includes:That is the water temperature of the water inlet of hot water is sent to the gas and hot water by the hot constant-temperature water mixing valve Device;The gas heater compares the water temperature of the water inlet of hot water and the setting temperature, and the hot water into When the water temperature at the mouth of a river is less than the setting temperature control instruction is sent to the hot constant-temperature water mixing valve;That is the hot constant temperature water mixing Valve generates corresponding computer heating control according to the control instruction and instructs, and is intake to the hot water according to computer heating control instruction The flow of mouth is heated;That is the hot constant-temperature water mixing valve is by adjusting the aperture of cold valves and hot water valve to the flow after heating Thermostatic control is carried out, goes out water termostat with ensure the i.e. hot constant-temperature water mixing valve.
According to one embodiment of present invention, the control method further includes:It is higher than in the water temperature of the water inlet of hot water When the setting temperature, to the flow of the water inlet of hot water without heating;And reduce the hot water valve aperture so that The water temperature of the water inlet of hot water is reduced to the setting temperature.
According to one embodiment of present invention, i.e. the hot constant-temperature water mixing valve passes through RF communications and the combustion gas Water heater is communicated.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partly become from the following description Obviously, or practice through the invention is recognized.
Description of the drawings
Above-mentioned and/or additional aspect and advantage of the invention will become from the following description of the accompanying drawings of embodiments Obviously and it is readily appreciated that, wherein:
Fig. 1 is the structural schematic diagram 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 accord to a specific embodiment of that present invention.
Reference numeral:
10:Gas heater;20:Electric heater;30:Cold water pipe;40:I.e. hot constant-temperature water mixing valve;50:Hot-water line;60:Only Return valve;41:Temperature detecting module;42:Control module;43:That is thermal modules;44:Thermostat module;100:Water source;A1:Gas and hot water The hot water outlet of device;A2:The cold water inlet of gas heater;B1:The water inlet of electric heater;B2:Electric heater goes out The mouth of a river;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.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings the control method of hot-water heating system and hot-water heating system according to the ... of the embodiment of the present invention is described.
Fig. 1 is the structural schematic diagram of hot-water heating system according to an embodiment of the invention.As shown in Figure 1, the hot-water heating system May include:Gas heater 10, electric heater 20, cold water pipe 30 and i.e. hot constant-temperature water mixing valve 40.It should be noted that Fig. 1 Shown in arrow direction can be regarded as flow flow to direction.
Wherein, as shown in Figure 1, the hot water outlet A1 of gas heater 10 by hot-water line 50 and electric heater 20 into Mouth of a river B1 is connected, that is to say, that electric heater 20 is connected with gas heater 10, and the water inlet of electric heater 20 is gas heater 10 water outlet, it should be noted that electric heater 20 in the embodiment of the present invention is electric water heater, has water tank can be with Carry out water storage.One end of cold water pipe 30 is connected with municipal water supply, the other end of cold water pipe 30 and the cold water of gas heater 10 into Mouth of a river A2 is connected, in addition, the other end of cold water pipe 30 can be also connected with other with water spot, to provide cold water with water spot for other.
As shown in Figure 1, i.e. hot constant-temperature water mixing valve 40 has water inlet of hot water C1 and cold water inlet C2, water inlet of hot water C1 It is connected with the water outlet B 2 of electric heater 20 by hot-water line 50, cold water inlet C2 is connected with the other end of cold water pipe 30. In the embodiment of the present invention, i.e., hot constant-temperature water mixing valve 40 can be used for the setting less than gas heater 10 in water inlet of hot water C1 water temperatures When setting temperature, the flow of water inlet of hot water C1 is heated, and thermostatic control is carried out to the flow after heating.It is appreciated that That is the water outlet of hot constant-temperature water mixing valve 40 can connect with water spot, come for water spot, (water is used in such as bathroom in water spot, kitchen Point etc.) hot water after heating and thermostatic control is provided.Wherein, in an embodiment of the present invention, gas heater 10 is set It sets temperature and can be regarded as the temperature that 10 pre-set hot water of gas heater is reached.
Specifically, in one embodiment of the invention, as shown in Figure 1, should be that hot constant-temperature water mixing valve 40 may include:Temperature Spend detection module 41, control module 42, i.e. thermal modules 43 and thermostat module 44.Wherein, in an embodiment of the present invention, mould is controlled Block 42 is adjacent with temperature detecting module 41, i.e., thermal modules 43 are connected with control module 42, thermostat module 44 respectively with control module 42 are connected with i.e. thermal modules 43.
Specifically, temperature detecting module 41 can be used for detecting the water temperature of water inlet of hot water A1.Control module 42 can be used for by The water temperature of water inlet of hot water C1 is sent to gas heater 10 so that gas heater 10 by the water temperature of water inlet of hot water C1 with set It sets temperature to be compared, and control instruction is sent to control module 42 when the water temperature of water inlet of hot water C1 is less than setting temperature.
That is thermal modules 43 can be used for receiving the computer heating control instruction that control module 42 is generated according to control instruction, and according to adding The flow of water inlet of hot water C1 is heated in thermal control instruction.Thermostat module 44 can be used for by adjusting i.e. hot constant-temperature water mixing valve The aperture of cold valves and hot water valve in 40 carries out thermostatic control to the flow after heating, to ensure i.e. hot constant-temperature water mixing valve 40 Go out water termostat.
It should be noted that in an embodiment of the present invention, control module 42 can be additionally used in:In the water of water inlet of hot water C1 Temperature higher than setting temperature when, control be thermal modules 43 without heating, and control thermostat module 44 reduce hot water valve aperture with The water temperature of water inlet of hot water C1 is set to be reduced to setting temperature.
In addition, in an embodiment of the present invention, i.e., hot constant-temperature water mixing valve 40 can (Radio Frequency, be penetrated by RF Frequently communication is communicated with gas heater 10).That is, in an embodiment of the present invention, i.e., hot constant temperature is mixed The water temperature for the water inlet of hot water A1 that temperature detecting module 41 detects can be sent to combustion by water valve 40 by RF communications Gas water heater 10 also can receive the control instruction that gas heater 10 is sent by RF communications.
Further, in one embodiment of the invention, as shown in Figure 1, the hot-water heating system may also include:Check-valves 60, one end of check-valves 60 is connected with water source 100, and the other end of check-valves 60 is connected with one end of cold water pipe 30, check-valves 60 It can be used for the one-way conduction on water source 100 to the direction of cold water pipe 30.Wherein, water source 100 may be from municipal water supply.As a result, may be used The water adverse current in cold water pipe 30 is avoided, so that it is guaranteed that the water in cold water pipe 30 unidirectionally flows into gas heater 10 and respectively uses water Point.
It is below that the operation principle for specifically introducing hot-water heating system proposed by the present invention is as follows:RF can be contained in gas heater 10 Wireless communication module, WIFI (Wireless Fidelity, Wireless Fidelity) wireless communication modules and control process module;Electricity RF wireless communication modules and control process module can be contained in water heater 20;RF wireless communications can be contained in hot constant-temperature water mixing valve 40 Module, temperature detecting module 41, control module 42, i.e. thermal modules 43 and thermostat module 44.Gas heater 10, electric heater 20 What the linkage between i.e. hot 40 three of constant-temperature water mixing valve can be accomplished by the following way:When gas heater 10 has detected When certain water flow, gas heater 10 can starting ignition;Electric heater 20 detects water temperature in water tank, and the water temperature that will be detected Wirelessly (such as RF communications) sends gas heater 10 to information, and gas heater 10 is by the water temperature information It is compared with setting temperature, if water temperature is greater than or equal to setting temperature, gas heater 10 in 20 water tank of electric heater It will be temperature output be arranged;If water temperature is less than setting temperature in 20 water tank of electric heater, gas heater 10 will be to be higher than Temperature is arranged to export, while electric heater 20 starts heater work, be set when electric heater 20 detects in water tank that water temperature rises to When setting temperature, gas heater 10 sends out control order to electric heater 20 so that electric heater 20 closes heater, simultaneously Control gas heater 10 is to be arranged temperature output.
When for the first time use hot water when, due to pipeline (pipeline between such as gas heater 10 and electric heater 20) inner cold water compared with More, when user opens hot water tap, a large amount of cold water in pipeline will enter in electric heater 20, cause electric heater 20 Leaving water temperature dramatic decrease, the water that electric heater 20 comes out is by being hot constant-temperature water mixing valve 40, i.e., hot constant-temperature water mixing valve 40 can The water temperature that detection is come in, and the water temperature value detected is sent to gas heater 10, gas heater 10 by this water temperature value with Setting temperature is compared, if this water temperature value is lower than setting temperature, gas heater 10 sends a command to i.e. hot constant temperature water mixing Valve 40 is that thermal modules 43 are heated to start, and the water after heating enters thermostat module 44, and thermostat module 44 is by adjusting cold water The aperture of valve and hot water valve ensures water termostat.When entering the water temperature of i.e. thermal modules 43 higher than setting temperature, i.e. combustion gas is hot When the temperature value that hydrophone 10 receives the i.e. hot transmission of constant-temperature water mixing valve 40 is judged higher than setting temperature, gas heater 10 will not be sent I.e. thermal modules 43 will not be controlled and be heated to control module 42, that is, control module 42 by instructing, but water flows directly into perseverance Warm module 44, thermostat module 44 detect inflow temperature higher than setting temperature when, can automatically by the aperture of hot water valve reduce to Leaving water temperature is reduced to temperature is arranged.To realization stepless temperature-regulating truly, such as it is turned up or turns down, and not by electric hot water The influence of 20 leaving water temperature of device.
As can be seen that the hot-water heating system of the embodiment of the present invention is all communicated using communication, gas and hot water Device 10 can directly control electric heater 20 to realize that gas heater links with electric heater, and be controlled without a center Device processed to carry out co-ordination to gas heater and electric heater, eliminates central controller.In addition, by hot-water heating system Middle increase is hot constant-temperature water mixing valve, and heating and temperature incubation function are concentrated in hot constant-temperature water mixing valve in sight, to realize real meaning On stepless temperature-regulating purpose.
Hot-water heating system according to the ... of the embodiment of the present invention, by the heating function for being hot constant-temperature water mixing valve so that in electric hot water It still is able to provide hot water when water temperature is relatively low in device, and by being the temperature incubation function of hot constant-temperature water mixing valve so that i.e. hot constant temperature water mixing The leaving water temperature of valve is more nearly the setting temperature of gas heater so that water temperature is more accurate, to realize stepless temperature-regulating Purpose so that even use hot water for the first time, will not make relatively low with the leaving water temperature of water spot, improve comfortable with water Degree, the user experience is improved.
In order to realize above-described embodiment, the invention also provides a kind of control methods 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 the embodiment of the present invention, hot-water heating system may include:Gas heater and electric heater, cold water pipe and i.e. hot constant-temperature water mixing valve, Wherein, the hot water outlet of gas heater is connected by hot-water line with the water inlet of electric heater, one end and city of cold water pipe Political affairs water supply is connected, and the other end of cold water pipe is connected with the cold water inlet of gas heater, i.e., hot constant-temperature water mixing valve has hot water Water inlet and cold water inlet, water inlet of hot water are connected with the water outlet of electric heater, cold water inlet and cold water pipe it is another End is connected.
As shown in Fig. 2, the control method of the hot-water heating system may include:
S201, i.e., the water temperature of hot constant-temperature water mixing valve detection water inlet of hot water.
For example, can be by being water temperature that temperature sensor in hot constant-temperature water mixing valve detects water inlet of hot water.
S202, i.e., hot constant-temperature water mixing valve is when the water temperature of water inlet of hot water is less than the setting temperature of gas heater, to heat The flow of water water inlet is heated, and carries out thermostatic control to the flow after heating.
Wherein, in an embodiment of the present invention, setting temperature can be regarded as the pre-set hot water of gas heater and be reached The temperature arrived.Specifically, when using hot water with water spot, municipal water supply flows through gas heater by cold water pipe, when combustion gas heat It is out-of-date that hydrophone has detected that certain water flows through, and 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 comparison setting temperature, if electric heating The water tank water temperature of hydrophone is greater than or equal to setting temperature, then gas heater exports flow so that temperature is arranged;If electric heater Water tank water temperature is less than setting temperature, then gas heater exports flow to be higher than setting temperature, while electric heater starts heating Device works, and when electric heater monitors that water temperature is raised to setting temperature in water tank, gas heater sends instructions to electric heater To close heater, while gas heater is controlled so that temperature output is arranged.It is that heat is permanent that the flow exported from electric heater, which enters, Warm water mixing valve, i.e., hot constant-temperature water mixing valve detects the water temperature of its water inlet of hot water, and is less than combustion gas in the water temperature of the water inlet of hot water When the setting temperature of water heater, the flow of water inlet of hot water is heated, and thermostatic control is carried out to the flow after heating, with So that the leaving water temperature of i.e. hot constant-temperature water mixing valve is maintained in the range of setting temperature so that leaving water temperature is more comfortable.
Specifically, in an embodiment of the present invention, as shown in figure 3, above-mentioned steps S202 may include:
The water temperature of water inlet of hot water is sent to gas heater by S2021, i.e., hot constant-temperature water mixing valve.
For example, when using hot water for the first time, due to cold in pipeline (pipeline between such as gas heater and electric heater) Water is more, and when user opens hot water tap, a large amount of cold water in pipeline will enter in electric heater, cause electric heater Leaving water temperature dramatic decrease, well cover, that is, hot constant-temperature water mixing valve that electric heater comes out, i.e., hot constant-temperature water mixing valve can detect it The water temperature of water inlet of hot water, and the water temperature value detected is sent to gas heater.
S2022, gas heater compare the water temperature of water inlet of hot water and setting temperature, and in water inlet of hot water When water temperature is less than setting temperature control instruction is sent to hot constant-temperature water mixing valve.
Specifically, the water temperature for the water inlet of hot water that gas heater can send i.e. hot constant-temperature water mixing valve and setting temperature into Row compares, if the water temperature of the water inlet of hot water is lower than setting temperature, the transmittable instruction of gas heater to i.e. hot constant temperature water mixing Valve.
S2023, i.e., hot constant-temperature water mixing valve generate corresponding computer heating control according to control instruction and instruct, and according to computer heating control The flow of water inlet of hot water is heated in instruction.
Specifically, i.e., hot constant-temperature water mixing valve receives the instruction that gas heater is sent, and corresponding according to instruction generation Computer heating control instructs, and can instruct the i.e. thermal modules started in i.e. hot constant-temperature water mixing valve according to the computer heating control later, make it to heat The flow of water water inlet is heated.
S2024, i.e., hot constant-temperature water mixing valve carry out perseverance by adjusting the aperture of cold valves and hot water valve to the flow after heating Temperature control system goes out water termostat with ensure i.e. hot constant-temperature water mixing valve.
Specifically, the water after heating enters the thermostat module in i.e. hot constant-temperature water mixing valve, which is by adjusting The cold valves of hot constant-temperature water mixing valve and the aperture of hot water valve go out water termostat ensure i.e. hot constant-temperature water mixing valve.
Further, in one embodiment of the invention, which may also include:In the water temperature of water inlet of hot water When higher than setting temperature, to the flow of water inlet of hot water without heating;And reduce the aperture of hot water valve so that hot water is intake The water temperature of mouth is reduced to setting temperature.Specifically, when the water temperature for entering the i.e. thermal modules in i.e. hot constant-temperature water mixing valve is higher than setting When temperature, gas heater will not send instructions to i.e. hot constant-temperature water mixing valve, that is, i.e. hot constant-temperature water mixing valve will not start i.e. Thermal modules are heated, but the water of water inlet of hot water flows directly into thermostat module, and thermostat module detects that inflow temperature is higher than Temperature is set, can the aperture of hot water valve be reduced to reduce leaving water temperature to temperature is arranged automatically.Thus truly It realizes stepless temperature-regulating, is such as turned up or turns down, and do not influenced by electric water heater water exit temperature.
Wherein, in an embodiment of the present invention, i.e., hot constant-temperature water mixing valve can pass through RF communications and gas and hot water Device is communicated.That is, in an embodiment of the present invention, i.e., hot constant-temperature water mixing valve can will be warm by RF communications The water temperature for the water inlet of hot water that degree sensor detects is sent to gas heater, can also be received and be fired by RF communications The control instruction that gas water heater is sent.
The control method of hot-water heating system according to the ... of the embodiment of the present invention, when user opens hot water tap, i.e., hot constant temperature The water temperature of the detectable i.e. water inlet of hot water of hot constant-temperature water mixing valve of water mixing valve, and it is less than gas and hot water in the water temperature of water inlet of hot water When the setting temperature of device, the flow of water inlet of hot water is heated, and thermostatic control is carried out to the flow after heating, to ensure I.e. hot constant-temperature water mixing valve goes out water termostat so that water temperature is more accurate, to realize the purpose of stepless temperature-regulating so that even When using hot water for the first time, it will not to use the leaving water temperature of water spot relatively low, improve the comfort level with water, improve user's body It tests.
In the description of the present invention, it is to be understood that, term " first ", " second " are used for description purposes only, and cannot It is interpreted as indicating or implies relative importance or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " the One ", the feature of " second " can explicitly or implicitly include at least one of the features.In the description of the present invention, " multiple " It is meant that at least two, such as two, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc. Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;Can be that machinery connects It connects, can also be electrical connection;It can be directly connected, can also can be indirectly connected through an intermediary in two elements The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office It can be combined in any suitable manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this field Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned Embodiment is changed, changes, replacing and modification.

Claims (7)

1. a kind of hot-water heating system, which is characterized in that including:
The hot water outlet of gas heater and electric heater, the gas heater passes through hot-water line and the electric heater Water inlet is connected;
One end of cold water pipe, the cold water pipe is connected with municipal water supply, the other end of the cold water pipe and the gas heater Cold water inlet be connected;And
I.e. hot constant-temperature water mixing valve, the i.e. hot constant-temperature water mixing valve have water inlet of hot water and cold water inlet, the hot water water inlet Mouth is connected with the water outlet of the electric heater, and the cold water inlet is connected with the other end of the cold water pipe, i.e. the heat Constant-temperature water mixing valve is used for when the water temperature of the water inlet of hot water is less than the setting temperature of the gas heater, to the hot water The flow of water inlet is heated, and carries out thermostatic control to the flow after heating;
Wherein, i.e. the hot constant-temperature water mixing valve includes:
Temperature detecting module, the water temperature for detecting the water inlet of hot water;
Control module, the control module are connected with the temperature detecting module, for sending out the water temperature of the water inlet of hot water It send to the gas heater, so that the gas heater carries out the water temperature of the water inlet of hot water and the setting temperature Comparison, and when the water temperature of the water inlet of hot water is less than the setting temperature control instruction is sent to the control module;
That is thermal modules, the i.e. thermal modules are connected with the control module, i.e. the thermal modules are for receiving the control module The computer heating control instruction generated according to the control instruction, and according to computer heating control instruction to the water of the water inlet of hot water Stream is heated;And
Thermostat module, the thermostat module are connected with i.e. thermal modules and the control module respectively, for cold by adjusting The aperture of water valve and hot water valve carries out thermostatic control to the flow after heating, and the water outlet to ensure the i.e. hot constant-temperature water mixing valve is permanent Temperature.
2. hot-water heating system as described in claim 1, which is characterized in that the control module is additionally operable to:It intakes in the hot water When the water temperature of mouth is higher than the setting temperature, the control i.e. thermal modules control the thermostat module and reduce without heating The aperture of the hot water valve is so that the water temperature of the water inlet of hot water is reduced to the setting temperature.
3. hot-water heating system as described in claim 1, which is characterized in that further include:
One end of check-valves, the check-valves is connected with water source, one end phase of the other end of the check-valves and the cold water pipe Even, the check-valves is used for the one-way conduction on the water source to the direction of the cold water pipe.
4. hot-water heating system as described in claim 1, which is characterized in that i.e. the hot constant-temperature water mixing valve passes through RF side wireless communications Formula is communicated with the gas heater.
5. a kind of control method of hot-water heating system, which is characterized in that the hot-water heating system includes:Gas heater and electric hot water Device, cold water pipe and i.e. hot constant-temperature water mixing valve, wherein the hot water outlet of the gas heater passes through hot-water line and the electric heating The water inlet of hydrophone is connected, and one end of the cold water pipe is connected with municipal water supply, the other end of the cold water pipe and the combustion gas The cold water inlet of water heater is connected, i.e. the hot constant-temperature water mixing valve has water inlet of hot water and cold water inlet, the hot water Water inlet is connected with the water outlet of the electric heater, and the cold water inlet is connected with the other end of the cold water pipe, described Control method includes:
That is the hot constant-temperature water mixing valve detects the water temperature of the water inlet of hot water;And
That is the hot constant-temperature water mixing valve is right when the water temperature of the water inlet of hot water is less than the setting temperature of the gas heater The flow of the water inlet of hot water is heated, and carries out thermostatic control to the flow after heating;
Wherein, i.e. the hot constant-temperature water mixing valve is less than the setting temperature of the gas heater in the water temperature of the water inlet of hot water When, the flow of the water inlet of hot water is heated, and thermostatic control is carried out to the flow after heating, is specifically included:
That is the water temperature of the water inlet of hot water is sent to the gas heater by the hot constant-temperature water mixing valve;
The gas heater compares the water temperature of the water inlet of hot water and the setting temperature, and the hot water into When the water temperature at the mouth of a river is less than the setting temperature control instruction is sent to the hot constant-temperature water mixing valve;
That is the hot constant-temperature water mixing valve generates corresponding computer heating control according to the control instruction and instructs, and is controlled according to the heating The flow of the water inlet of hot water is heated in system instruction;
That is the hot constant-temperature water mixing valve carries out thermostatic control by adjusting the aperture of cold valves and hot water valve to the flow after heating, Go out water termostat with ensure the i.e. hot constant-temperature water mixing valve.
6. the control method of hot-water heating system as claimed in claim 5, which is characterized in that further include:
When the water temperature of the water inlet of hot water is higher than the setting temperature, to the flow of the water inlet of hot water without adding Heat;And
Reduce the aperture of the hot water valve so that the water temperature of the water inlet of hot water is reduced to the setting temperature.
7. the control method of hot-water heating system as claimed in claim 5, which is characterized in that i.e. the hot constant-temperature water mixing valve passes through RF Communication is communicated with the gas heater.
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