CN104964459B - Fire electric water heating system and fire the control method of electric water heating system - Google Patents
Fire electric water heating system and fire the control method of electric water heating system Download PDFInfo
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- CN104964459B CN104964459B CN201510467954.8A CN201510467954A CN104964459B CN 104964459 B CN104964459 B CN 104964459B CN 201510467954 A CN201510467954 A CN 201510467954A CN 104964459 B CN104964459 B CN 104964459B
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Abstract
The invention discloses one kind to fire electric water heating system, including：Gas heater；Thermostat, thermostat include electric heater component, thermostatic assembly and triple valve, and the first end of triple valve is connected to the outlet pipe of gas heater, and the second end of triple valve is connected to feed pipe, the second water inlet of the three-terminal link of triple valve to thermostatic assembly；First temperature sensor；Controller, controller are used to obtain the temperature gap between the water temperature in the water temperature of water outlet and the outlet pipe of gas heater of thermostatic assembly, when temperature gap is more than default temperature threshold, control the first end of triple valve to be connected with the 3rd end；When temperature gap is less than or equal to default temperature threshold, the second end of triple valve is controlled to be connected with the 3rd end.The combustion electric water heating system solves the problems, such as pipeline cold water by the control to triple valve, and provides the constant hot water of water temperature to meet users'comfort requirement.The invention also discloses a kind of control method for firing electric water heating system.
Description
Technical field
The present invention relates to hot water system technology field, more particularly to a kind of combustion electric water heating system and a kind of combustion electric heating water system
The control method of system.
Background technology
As requirement of the user to hot water improves constantly, slowly single water heater can not meet the requirement of user, especially
Be some to the exigent user of bath comfort degree, such as, it is desirable to water temperature during bathing is constant, can carry during different user bathing
For different water temperatures, multiple spot bathing simultaneously etc..
The continuous improvement required based on user bath comfort degree so that requirement of the user to water heater also more and more higher,
Therefore, it is necessary to be improved to water heater.
The content of the invention
The purpose of the present invention is intended at least solve one of above-mentioned technological deficiency.Therefore, it is an object of the present invention to
A kind of combustion electric water heating system is proposed, can solve the problem that pipeline cold water problem, and provides water temperature constant hot water, to meet that user is comfortable
Degree requires.
It is another object of the present invention to propose a kind of control method for firing electric water heating system.
To reach above-mentioned purpose, one kind that one aspect of the present invention embodiment proposes fires electric water heating system, including：Gas and hot water
Device, the water inlet pipe of the gas heater are connected to feed pipe；Thermostat, the thermostat include electric heater component,
Thermostatic assembly and triple valve, the water inlet of the electric heater component are connected to the outlet pipe of the gas heater, the electricity
The delivery port of water heater components is connected to the first water inlet of the thermostatic assembly, and the first end of the triple valve is connected to described
The outlet pipe of gas heater, the second end of the triple valve are connected to the feed pipe, the three-terminal link of the triple valve
To the second water inlet of the thermostatic assembly, the delivery port of the thermostatic assembly is connected to first and uses water end (W.E.)；First TEMP
Device, first temperature sensor are used to detect the water temperature in the outlet pipe of the gas heater；And controller, the control
Device processed is connected with first temperature sensor and the triple valve respectively, and the controller is used to obtain the thermostatic assembly
The temperature gap between water temperature in the outlet pipe of the water temperature of water outlet and the gas heater, wherein, when the water outlet
Water temperature in pipe is less than the water temperature of the water outlet and when the temperature gap is more than default temperature threshold, the controller
The first end of the triple valve is controlled to be connected with the 3rd end；Otherwise, the controller controls the second end of the triple valve and the
Three ends connect.
Combustion electric water heating system according to embodiments of the present invention, the water inlet pipe of gas heater are connected to feed pipe, constant temperature dress
Put and be connected to going out for gas heater including electric heater component, thermostatic assembly and triple valve, the water inlet of electric heater component
Water pipe, the delivery port of electric heater component are connected to the first water inlet of thermostatic assembly, and the first end of triple valve is connected to combustion gas
The outlet pipe of water heater, the second end of triple valve are connected to feed pipe, the three-terminal link of triple valve to the second of thermostatic assembly
Water inlet, the delivery port of thermostatic assembly are connected to first and use water end (W.E.), and the first temperature sensor detects the outlet pipe of gas heater
Interior water temperature, controller are connected with the first temperature sensor and triple valve respectively, and controller obtains the water outlet of thermostatic assembly
Water temperature and gas heater outlet pipe in water temperature between temperature gap, when the water temperature in outlet pipe is less than water outlet
Water temperature and temperature gap when being more than default temperature threshold, the first end of controller control triple valve connects with the 3rd end；It is no
Then the second end of controller control triple valve connects with the 3rd end, so as to be asked by the control to triple valve to solve pipeline cold water
Topic, and the constant hot water of water temperature is provided to water end (W.E.) is used by thermostatic assembly, meet users'comfort requirement.
According to one embodiment of present invention, the controller is adjusted always according to the water temperature of the water outlet of the thermostatic assembly
Save the first water inlet of the thermostatic assembly and the water inlet ratio of the second water inlet.
According to one embodiment of present invention, the thermostatic assembly is electronic thermostatic valve.
According to one embodiment of present invention, it is additionally provided with check-valves on the feed pipe.
According to one embodiment of present invention, the outlet pipe of the gas heater is also associated with second and uses water end (W.E.).
Preferably, the default temperature threshold can be 4-6 DEG C.
To reach above-mentioned purpose, another aspect of the present invention embodiment proposes a kind of control method for firing electric water heating system,
The combustion electric water heating system includes gas heater and thermostat, and the water inlet pipe of the gas heater is connected to feed pipe,
The thermostat includes electric heater component, thermostatic assembly and triple valve, and the water inlet of the electric heater component is connected to
The outlet pipe of the gas heater, the delivery port of the electric heater component are connected to the first water inlet of the thermostatic assembly
Mouthful, the first end of the triple valve is connected to the outlet pipe of the gas heater, and the second end of the triple valve is connected to institute
State feed pipe, the three-terminal link of the triple valve to the second water inlet of the thermostatic assembly, the water outlet of the thermostatic assembly
Mouth is connected to first and uses water end (W.E.), and the control method comprises the following steps：Detect the water in the outlet pipe of the gas heater
Temperature；The water temperature of the water outlet of the thermostatic assembly and the combustion are obtained according to the water temperature in the outlet pipe of the gas heater
The temperature gap between water temperature in the outlet pipe of gas water heater, and the temperature gap is judged；If the water outlet
Water temperature in pipe is less than the water temperature of the water outlet and the temperature gap is more than default temperature threshold, then controls described three
The first end of port valve connects with the 3rd end；If the water temperature in the outlet pipe is more than or equal to the water temperature of the water outlet,
Or the water temperature in the outlet pipe is less than the water temperature of the water outlet and the temperature gap is less than or equal to described preset
Temperature threshold, then control the second end of the triple valve to be connected with the 3rd end.
The control method of combustion electric water heating system according to embodiments of the present invention, first in the outlet pipe of detection gas heater
Water temperature, water temperature and the combustion gas heat of the water outlet of thermostatic assembly is then obtained according to the water temperature in the outlet pipe of gas heater
The temperature gap between water temperature in the outlet pipe of hydrophone, and temperature gap is judged, if the water temperature in outlet pipe is small
It is more than default temperature threshold in the water temperature and temperature gap of water outlet, then controls the first end of triple valve to be connected with the 3rd end
Otherwise the second end of triple valve is controlled to be connected with the 3rd end, so as to solve the problems, such as pipeline cold water by the control to triple valve,
And the constant hot water of water temperature is provided to water end (W.E.) is used by thermostatic assembly, meet users'comfort requirement.
According to one embodiment of present invention, the control method of above-mentioned combustion electric water heating system, always according to the constant temperature group
First water inlet of thermostatic assembly described in the lower water temperature of the water outlet of part and the water inlet ratio of the second water inlet.
Preferably, the default temperature threshold can be 4-6 DEG C.
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
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
Of the invention above-mentioned and/or additional aspect and advantage will become from the following description of the accompanying drawings of embodiments
Substantially and it is readily appreciated that, wherein：
Fig. 1 is the block diagram of combustion electric water heating system according to an embodiment of the invention.
Fig. 2 is the block diagram of combustion electric water heating system in accordance with another embodiment of the present invention.
Fig. 3 is the flow chart of the control method of combustion electric water heating system according to embodiments of the present invention.
Reference：Gas heater 10, thermostat 20, electric heater component 21, thermostatic assembly 22, triple valve 23,
First temperature sensor 30, first water end (W.E.) 41, second water end (W.E.) 42 and check-valves 50.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not construed as limiting the claims.
Following disclosure provides many different embodiments or example is used for realizing the different structure of the present invention.For letter
Change disclosure of the invention, hereinafter the part and setting of specific examples are described.Certainly, they are only example, and
Purpose does not lie in the limitation present invention.In addition, the present invention can in different examples repeat reference numerals and/or letter.It is this heavy
It is the relation between itself not indicating discussed various embodiments and/or setting for purposes of simplicity and clarity again.This
Outside, the invention provides various specific techniques and material examples, but those of ordinary skill in the art can be appreciated that
The applicable property of other techniques and/or the use of other materials.In addition, fisrt feature described below second feature it
" on " structure can include the first and second features and be formed as the embodiment that directly contacts, other feature shape can also be included
Into the embodiment between the first and second features, such first and second feature may not be direct contact.
In the description of the invention, it is necessary to explanation, unless otherwise prescribed and limit, term " installation ", " connected ",
" connection " should be interpreted broadly, for example, it may be mechanical connection or electrical connection or the connection of two element internals, can
To be to be joined directly together, can also be indirectly connected by intermediary, for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term.
Control to describe the combustion electric water heating system of proposition of the embodiment of the present invention and fire electric water heating system with reference to the accompanying drawings
Method processed.
Fig. 1 is the block diagram of combustion electric water heating system according to an embodiment of the invention.As shown in figure 1, the combustion is electric
Hot-water heating system includes gas heater 10, thermostat 20, the first temperature sensor 30 and controller (not specifically illustrated in figure).
Wherein, the water inlet pipe of gas heater 10 is connected to feed pipe.Thermostat 20 includes electric heater component 21, perseverance
Warm component 22 and triple valve 23, the water inlet of electric heater component 21 are connected to the outlet pipe of gas heater 10, electric heater
The delivery port of component 21 is connected to the first water inlet of thermostatic assembly 22, and the first end of triple valve 23 is connected to gas heater 10
Outlet pipe, the second end of triple valve 23 is connected to feed pipe, the three-terminal link of triple valve 23 to the second of thermostatic assembly 22
Water inlet, the delivery port of thermostatic assembly 22 are connected to first and use water end (W.E.) 41.First temperature sensor 30 is used to detect gas and hot water
Water temperature in the outlet pipe of device 10.Controller is connected with the first temperature sensor 30 and triple valve 23 respectively, and controller is used to obtain
The temperature gap between the water temperature in the water temperature of the water outlet of thermostatic assembly 22 and the outlet pipe of gas heater 10 is taken, its
In, when the water temperature in outlet pipe is less than the water temperature of water outlet and temperature gap is more than default temperature threshold, controller control
The first end of triple valve 23 processed connects with the 3rd end；Otherwise, the second end of controller control triple valve 23 connects with the 3rd end.
Wherein, temperature threshold can be demarcated according to actual conditions.Preferably, default temperature threshold can be 4-6
℃。
Specifically, as requirement of the user to hot water improves constantly, slowly single water heater can not meet wanting for user
Ask, be particularly some to the exigent user of bath comfort degree, such as, it is desirable to water temperature during bathing is constant, and different user is washed
Different water temperatures, multiple spot bathing simultaneously etc. can be provided during bath.The continuous improvement required based on user bath comfort degree so that user
Requirement to water heater also more and more higher, if using gas heater by the way of electric heating system is combined, although can
Endlessly hot water is provided, but it is sufficiently bulky due to electric heating system, user can be made to feel very oppressive in bathroom,
And electric water heating system is installed again, it is necessary to arrange many bright pipes after user has fitted up, have a strong impact on that bathroom is attractive in appearance, and install
Cost is also higher.Therefore, embodiments of the invention in the increased thermostat in gas heater end by meeting user
It is required that.
As shown in figure 1, one end connection municipal water supply of feed pipe, the other end of feed pipe respectively with gas heater 10 with
And respectively it is connected with water end (W.E.).A thermostat 20 can be included in combustion electric water heating system, thermostat 20 is by electric heater component
21st, thermostatic assembly 22 and triple valve 23 form, and electric heater component 21 includes water tank and heat-generating pipe.Thermostat 20 has
There are two water inlets and a delivery port, wherein, the water inlet of electric heater component 21 is intake as the hot water of thermostat 20
Mouthful it is connected with the outlet pipe of gas heater 10, the cold water inlet and water supply of the second end of triple valve 23 as thermostat 20
Pipe is connected, and the delivery port of thermostatic assembly 22 is connected as the delivery port of thermostat 20 with first with water end (W.E.) 41.From gas and hot water
The water that device 10 comes out enters thermostatic assembly 22 after first passing through electric heater component 21 or triple valve 23, is exported by thermostatic assembly 22
The hot water of temperature needed for user.
Specifically, when electric water heating system is fired in installation, by opening first with the hot water outlet of water end (W.E.) 41 so that combustion
Gas water heater 10 starts according to itself Starting mode, for example, when gas heater 10 starts by water-carrying capacity, then in combustion gas heat
The starting ignition when water-carrying capacity that hydrophone 10 detects reaches certain value；When gas heater 10 starts by hydraulic pressure, then firing
Gas water heater 10 detects starting ignition when hydraulic pressure reaches certain value, is added with the water in the water tank to gas heater 10
Heat.When the water heated through gas heater 10 flow to thermostat 20, the first temperature sensor 30 in thermostat 20 is to combustion
Water temperature in the outlet pipe of gas water heater 10 is detected.When the water outlet of the gas heater 10 of the first temperature sensor 30 detection
The water temperature for the delivery port that water temperature in pipe is more than or equal to thermostatic assembly 22 subtracts 5 DEG C, the i.e. water inlet of hot water of thermostat 20
Water temperature when being more than or equal to the water temperature of delivery port of thermostat 20 and subtracting 5 DEG C, controller controls the second end of triple valve 23
Connected with the 3rd end, i.e., triple valve 23 connects the second water inlet of thermostatic assembly 22 with feed pipe, and the cold water in feed pipe is straight
Tap into thermostatic assembly 22, the hot water come out with electric heater component 21 exports to first after mixing and uses water end (W.E.) 41；When the first temperature
The water temperature for the delivery port that water temperature in the outlet pipe for the gas heater 10 that degree sensor 30 detects is less than thermostatic assembly 22 subtracts 5
DEG C, i.e., when the water temperature of the water inlet of hot water of thermostat 20 subtracts 5 DEG C less than the water temperature of the delivery port of thermostat 20, controller
The first end of control triple valve 23 connects with the 3rd end, i.e. triple valve 23 is by the second water inlet and gas and hot water of thermostatic assembly 22
The outlet pipe connection of device 10, the hot water that gas heater 10 exports are divided into two-way after entering thermostat 20, directly exported all the way
To electric heater component 21, exported all the way after triple valve 23 to the second water inlet of thermostatic assembly 22.Finally by constant temperature
Component 22 exports the hot water of temperature needed for user.
Wherein, the purpose for increasing triple valve 23 is when being cold water in pipeline between gas heater 10 and thermostat 20
When, by controlling triple valve 23 so that most of cold water is directly entered thermostatic assembly 22, with the heat of electric heater component 21 out
Water is mixed, while fraction cold water is directly entered electric heater component 21, ensures the water temperature in electric heater component 21
It will not decline too much, decline is too fast, cold water be present so as to effectively solve the pipeline between gas heater 10 and thermostat 20
The problem of；When in the pipeline between gas heater 10 and thermostat 20 being hot water, hot water that gas heater 10 comes
Fully enter electric heater component 21, it is ensured that the water temperature in electric heater component 21 is in rational scope.
According to one embodiment of present invention, lower water temperature constant temperature of the controller always according to the water outlet of thermostatic assembly 22
First water inlet of component 22 and the water inlet ratio of the second water inlet.
Specifically, in order to meet users'comfort demand, ensure that the delivery port water temperature of thermostat 20 is constant, controller
According to the first water inlet of the lower water temperature thermostatic assembly 22 of the water outlet of thermostatic assembly 22 and the water inlet ratio of the second water inlet
Example, continuously to provide the user with the hot water of required temperature.And when in feed pipe without cold water, controller also controls perseverance
The delivery port of warm device 20 is closed, to avoid the hot water of higher temperature from scalding user.
In addition, when combustion electric water heating system provides hot water for multiple bathrooms, a constant temperature can be installed in each bathroom
Device, also, different bathrooms can set different leaving water temperatures, leaving water temperature that controller is set according to user and each
The water temperature of the water outlet of thermostatic assembly in bathroom automatically adjusts the first water inlet and the second water inlet of corresponding thermostatic assembly
The water inlet ratio of mouth, to meet the requirement of different user.Wherein, user can set the water outlet of thermostat by intelligent terminal
Temperature, it is easy to operate.
According to one embodiment of present invention, thermostatic assembly 22 is electronic thermostatic valve.Electronic thermostatic valve can be according to user
Required water temperature and the delivery port water temperature of thermostat 20 automatically adjust hot and cold water water inlet ratio, so as to accurately control water outlet saliva
Temperature.
According to one embodiment of present invention, as shown in Fig. 2 the outlet pipe of gas heater 10, which is also associated with second, uses water
End 42.
It should be noted that when user is less demanding to hot water temperature, gas heater 10 can be directly with using water end (W.E.)
It is connected.
According to one embodiment of present invention, electric heater, electric heater are also provided with electric heater component 21
Heat-generating pipe is heated, heated with the water storage in the water tank to electric heater component 21.
Specifically, the capacity of electric heater component 21 can be 6L or so, and inside can be provided with electric heater, and it adds
Thermal efficiency ratio is higher, also, the water outlet of the water inlet of electric heater component 21 and electric heater component 21 be equipped with it is anti-
Electric wall, to ensure water security.Because the capacity of electric heater component 21 is about 6L or so, and the volume of thermostatic assembly 22
It is smaller, therefore the volume of thermostat 20 is smaller, it is small in the cupboard that can be hidden under bathroom hand basin, it is not take up bathing
Room expensive real estate, it is elegant in appearance.
According to one embodiment of present invention, as shown in Figure 1 or 2, check-valves 50 is additionally provided with feed pipe, it is effectively anti-
The only water in the water tank of gas heater 10 and each aqueous reflux with water end (W.E.).
In summary, combustion electric water heating system according to embodiments of the present invention, the water inlet pipe of gas heater are connected to water supply
Pipe, thermostat include electric heater component, thermostatic assembly and triple valve, and the water inlet of electric heater component is connected to combustion gas heat
The outlet pipe of hydrophone, the delivery port of electric heater component are connected to the first water inlet of thermostatic assembly, and the first end of triple valve connects
It is connected to the outlet pipe of gas heater, the second end of triple valve is connected to feed pipe, the three-terminal link of triple valve to constant temperature group
Second water inlet of part, the delivery port of thermostatic assembly are connected to first and use water end (W.E.), the first temperature sensor detection gas heater
Outlet pipe in water temperature, controller is connected with the first temperature sensor and triple valve respectively, and controller obtains thermostatic assembly
The temperature gap between water temperature in the water temperature of water outlet and the outlet pipe of gas heater, when the water temperature in outlet pipe is less than
When the water temperature and temperature gap of water outlet are more than default temperature threshold, the first end of controller control triple valve and the 3rd end
Connection；Otherwise the second end of controller control triple valve connects with the 3rd end, so as to solve to manage by the control to triple valve
Road cold water problem, and the constant hot water of water temperature is continuously provided to water end (W.E.) is used by thermostatic assembly, meet users'comfort
It is required that.
Fig. 3 is the flow chart of the control method of combustion electric water heating system according to embodiments of the present invention, wherein, fire electric heating water system
System includes gas heater and thermostat, and the water inlet pipe of gas heater is connected to feed pipe, and thermostat includes electric hot water
Device assembly, thermostatic assembly and triple valve, the water inlet of electric heater component are connected to the outlet pipe of gas heater, electric heater
The delivery port of component is connected to the first water inlet of thermostatic assembly, and the first end of triple valve is connected to the water outlet of gas heater
Pipe, the second end of triple valve are connected to feed pipe, the three-terminal link of triple valve to the second water inlet of thermostatic assembly, constant temperature group
The delivery port of part is connected to first and uses water end (W.E.).
Specifically, as shown in figure 1, one end connection municipal water supply of feed pipe, the other end of feed pipe respectively with combustion gas
Water heater and respectively it is connected with water end (W.E.).A thermostat can be included in combustion electric water heating system, thermostat is by electric heater
Component, thermostatic assembly and triple valve composition, and electric heater component includes water tank and heat-generating pipe.Thermostat has two
Water inlet and a delivery port, wherein, the water inlet of electric heater component is warm as the water inlet of hot water of thermostat and combustion gas
The outlet pipe of hydrophone is connected, and the second end of triple valve is connected as the cold water inlet of thermostat with feed pipe, thermostatic assembly
Delivery port be connected as the delivery port of thermostat with first with water end (W.E.).
As shown in figure 3, the control method of combustion electric water heating system comprises the following steps：
S1, detect the water temperature in the outlet pipe of gas heater.
For example, can be by detecting combustion gas heat installed in the first temperature sensor of the water inlet of electric heater component
Water temperature in the outlet pipe of hydrophone.
S2, the water temperature and combustion gas heat of the water outlet of thermostatic assembly are obtained according to the water temperature in the outlet pipe of gas heater
The temperature gap between water temperature in the outlet pipe of hydrophone, and temperature gap is judged.
S3, if the water temperature in outlet pipe is less than the water temperature of water outlet and temperature gap is more than default temperature threshold,
Then the first end of triple valve is controlled to be connected with the 3rd end.
S4, if water temperature in outlet pipe is more than or equal to the water temperature of water outlet, or the water temperature in outlet pipe is less than
The water temperature and temperature gap of water outlet are less than or equal to default temperature threshold, then control the second end and the 3rd end of triple valve
Connection.
Preferably, default temperature threshold can be 4-6 DEG C.
Specifically, when electric water heating system is fired in installation, by opening first with the hot water outlet of water end (W.E.) so that combustion gas is hot
Hydrophone starts according to itself Starting mode, for example, when gas heater starts by water-carrying capacity, is then detected in gas heater
To water-carrying capacity reach certain value when starting ignition；When gas heater starts by hydraulic pressure, then detected in gas heater
Starting ignition when reaching certain value to hydraulic pressure, heated with the water in the water tank to gas heater.Through gas heater plus
When the water of heat flow to thermostat, the first temperature sensor in thermostat enters to the water temperature in the outlet pipe of gas heater
Row detection.When the water temperature in the outlet pipe of the gas heater of the first temperature sensor detection is more than or equal to going out for thermostatic assembly
The water temperature at the mouth of a river subtracts 5 DEG C, i.e. the water temperature of the water inlet of hot water of thermostat is more than or equal to the water of the delivery port of thermostat
When temperature subtracts 5 DEG C, the second end of controller control triple valve is connected with the 3rd end, i.e., triple valve is intake the second of thermostatic assembly
Mouth connects with feed pipe, and the cold water in feed pipe is directly entered thermostatic assembly, after the hot water come out with electric heater component mixes
Export to first and use water end (W.E.)；When the water temperature in the outlet pipe of the gas heater of the first temperature sensor detection is less than thermostatic assembly
The water temperature of delivery port subtract 5 DEG C, i.e., the water temperature of the water inlet of hot water of thermostat is less than the water temperature of the delivery port of thermostat
When subtracting 5 DEG C, the first end of controller control triple valve connects with the 3rd end, i.e. triple valve is by the second water inlet of thermostatic assembly
Connected with the outlet pipe of gas heater, the hot water that gas heater exports is divided into two-way after entering thermostat, all the way directly
Output exports to the second water inlet of thermostatic assembly after triple valve all the way to electric heater component.Finally by constant temperature group
The hot water of temperature needed for part output user.
That is, when in the pipeline between gas heater and thermostat being cold water, by control triple valve with
Most of cold water is set to be directly entered thermostatic assembly, the hot water come out with electric heater component is mixed, while makes fraction cold
Water is directly entered electric heater component, ensures that the water temperature in electric heater component will not decline too much, and decline is too fast, so as to effectively
Solve the problems, such as that the pipeline between gas heater and thermostat has cold water；When between gas heater and thermostat
When being hot water in pipeline, the hot water that gas heater comes fully enters electric heater component, it is ensured that in electric heater component
Water temperature is in rational scope.
According to one embodiment of present invention, the control method of above-mentioned combustion electric water heating system, always according to thermostatic assembly
First water inlet of the lower water temperature thermostatic assembly of water outlet and the water inlet ratio of the second water inlet.
Specifically, in order to meet users'comfort demand, ensure that the delivery port water temperature of thermostat is constant, controller root
According to the first water inlet of the lower water temperature thermostatic assembly of the water outlet of thermostatic assembly and the water inlet ratio of the second water inlet, with source
Source constantly provides the user with the hot water of required temperature.And when in feed pipe without cold water, controller is also by controlling constant temperature
The delivery port of device is closed, to avoid the hot water of higher temperature from scalding user.
In addition, when combustion electric water heating system provides hot water for multiple bathrooms, a constant temperature can be installed in each bathroom
Device, also, different bathrooms can set different leaving water temperatures, leaving water temperature that controller is set according to user and each
The water temperature of the water outlet of thermostatic assembly in bathroom automatically adjusts the first water inlet and the second water inlet of corresponding thermostatic assembly
The water inlet ratio of mouth, to meet the requirement of different user.Wherein, user can set the water outlet of thermostat by intelligent terminal
Temperature, it is easy to operate.
The control method of combustion electric water heating system according to embodiments of the present invention, first in the outlet pipe of detection gas heater
Water temperature, water temperature and the combustion gas heat of the water outlet of thermostatic assembly is then obtained according to the water temperature in the outlet pipe of gas heater
The temperature gap between water temperature in the outlet pipe of hydrophone, and temperature gap is judged, if the water temperature in outlet pipe is small
It is more than default temperature threshold in the water temperature and temperature gap of water outlet, then the first end and the 3rd end for controlling triple valve connect
It is logical；Otherwise the second end of triple valve is controlled to be connected with the 3rd end, so as to be asked by the control to triple valve to solve pipeline cold water
Topic, and the constant hot water of water temperature is continuously provided to water end (W.E.) is used by thermostatic assembly, meet users'comfort requirement.
Any process or method described otherwise above description in flow chart or herein is construed as, and represents to include
Module, fragment or the portion of the code of the executable instruction of one or more the step of being used to realize specific logical function or process
Point, and the scope of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discuss suitable
Sequence, including according to involved function by it is basic simultaneously in the way of or in the opposite order, carry out perform function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
Expression or logic and/or step described otherwise above herein in flow charts, for example, being considered use
In the order list for the executable instruction for realizing logic function, may be embodied in any computer-readable medium, for
Instruction execution system, device or equipment (such as computer based system including the system of processor or other can be held from instruction
The system of row system, device or equipment instruction fetch and execute instruction) use, or combine these instruction execution systems, device or set
It is standby and use.For the purpose of this specification, " computer-readable medium " can any can be included, store, communicate, propagate or pass
Defeated program is for instruction execution system, device or equipment or the dress used with reference to these instruction execution systems, device or equipment
Put.The more specifically example (non-exhaustive list) of computer-readable medium includes following：Electricity with one or more wiring
Connecting portion (electronic installation), portable computer diskette box (magnetic device), random access memory (RAM), read-only storage
(ROM), erasable edit read-only storage (EPROM or flash memory), fiber device, and portable optic disk is read-only deposits
Reservoir (CDROM).In addition, computer-readable medium, which can even is that, to print the paper of described program thereon or other are suitable
Medium, because can then enter edlin, interpretation or if necessary with it for example by carrying out optical scanner to paper or other media
His suitable method is handled electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each several part of the present invention can be realized with hardware, software, firmware or combinations thereof.Above-mentioned
In embodiment, software that multiple steps or method can be performed in memory and by suitable instruction execution system with storage
Or firmware is realized.If, and in another embodiment, can be with well known in the art for example, realized with hardware
Any one of row technology or their combination are realized：With the logic gates for realizing logic function to data-signal
Discrete logic, have suitable combinational logic gate circuit application specific integrated circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
Those skilled in the art are appreciated that to realize all or part of step that above-described embodiment method carries
Suddenly it is that by program the hardware of correlation can be instructed to complete, described program can be stored in a kind of computer-readable storage medium
In matter, the program upon execution, including one or a combination set of the step of embodiment of the method.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing module, can also
That unit is individually physically present, can also two or more units be integrated in a module.Above-mentioned integrated mould
Block can both be realized in the form of hardware, can also be realized in the form of software function module.The integrated module is such as
Fruit is realized in the form of software function module and as independent production marketing or in use, can also be stored in a computer
In read/write memory medium.
Storage medium mentioned above can be read-only storage, disk or CD etc..
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 the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Necessarily refer to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be any
One or more embodiments or example in combine in an appropriate manner.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is by appended claims and its equivalent limits.
Claims (9)
1. one kind combustion electric water heating system, it is characterised in that including：
Gas heater, the water inlet pipe of the gas heater are connected to feed pipe；
Thermostat, the thermostat include electric heater component, thermostatic assembly and triple valve, the electric heater component
Water inlet is connected to the outlet pipe of the gas heater, and the delivery port of the electric heater component is connected to the thermostatic assembly
The first water inlet, the first end of the triple valve is connected to the outlet pipe of the gas heater, the second of the triple valve
End is connected to the feed pipe, the three-terminal link of the triple valve to the second water inlet of the thermostatic assembly, the constant temperature
The delivery port of component is connected to first and uses water end (W.E.)；
First temperature sensor, first temperature sensor are used to detect the water temperature in the outlet pipe of the gas heater；
And
Controller, the controller are connected with first temperature sensor and the triple valve respectively, and the controller is used for
Obtain the temperature difference between the water temperature in the water temperature of the water outlet of the thermostatic assembly and the outlet pipe of the gas heater
Value, wherein,
When the water temperature in the outlet pipe is more than default temperature threshold less than the water temperature of the water outlet and the temperature gap
During value, the controller controls the first end of the triple valve to be connected with the 3rd end；Otherwise, the controller controls the threeway
Second end of valve connects with the 3rd end.
2. combustion electric water heating system according to claim 1, it is characterised in that the controller is always according to the thermostatic assembly
Water outlet lower water temperature described in the first water inlet of thermostatic assembly and the water inlet ratio of the second water inlet.
3. combustion electric water heating system according to claim 1 or 2, it is characterised in that the thermostatic assembly is electronic thermostatic valve.
4. combustion electric water heating system according to claim 1, it is characterised in that be additionally provided with check-valves on the feed pipe.
5. combustion electric water heating system according to claim 1, it is characterised in that the outlet pipe of the gas heater is also connected with
There is second to use water end (W.E.).
6. combustion electric water heating system according to claim 1, it is characterised in that the default temperature threshold is 4-6 DEG C.
7. it is a kind of fire electric water heating system control method, it is characterised in that it is described combustion electric water heating system include gas heater and
Thermostat, the water inlet pipe of the gas heater are connected to feed pipe, and the thermostat includes electric heater component, constant temperature
Component and triple valve, the water inlet of the electric heater component are connected to the outlet pipe of the gas heater, the electric hot water
The delivery port of device assembly is connected to the first water inlet of the thermostatic assembly, and the first end of the triple valve is connected to the combustion gas
The outlet pipe of water heater, the second end of the triple valve are connected to the feed pipe, the three-terminal link of the triple valve to institute
The second water inlet of thermostatic assembly is stated, the delivery port of the thermostatic assembly is connected to first and uses water end (W.E.), and the control method includes
Following steps：
Detect the water temperature in the outlet pipe of the gas heater；
Obtained according to the water temperature in the outlet pipe of the gas heater water temperature of the water outlet of the thermostatic assembly with it is described
The temperature gap between water temperature in the outlet pipe of gas heater, and the temperature gap is judged；
If the water temperature in the outlet pipe is less than the water temperature of the water outlet and the temperature gap is more than default temperature
Threshold value, then the first end of the triple valve is controlled to be connected with the 3rd end；
If the water temperature in the outlet pipe is more than or equal to the water temperature of the water outlet, or the water temperature in the outlet pipe
It is less than or equal to the default temperature threshold less than the water temperature of the water outlet and the temperature gap, then controls described three
Second end of port valve connects with the 3rd end.
8. the control method of combustion electric water heating system according to claim 7, it is characterised in that always according to the thermostatic assembly
Water outlet lower water temperature described in the first water inlet of thermostatic assembly and the water inlet ratio of the second water inlet.
9. the control method of the combustion electric water heating system according to claim 7 or 8, it is characterised in that the default temperature
Threshold value is 4-6 DEG C.
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| CN110823878B (en) * | 2019-11-26 | 2021-04-23 | 苏州长光华医生物医学工程有限公司 | Chemiluminescence immunity analyzer, cooling circulation system thereof and fault monitoring method |
| CN111707006B (en) * | 2020-05-29 | 2021-06-01 | 珠海格力电器股份有限公司 | Water outlet control method and device, water heater, storage medium and processor |
| CN113551427B (en) * | 2021-07-20 | 2022-07-12 | 珠海格力电器股份有限公司 | Control method and device of water heater, water heater and storage medium |
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Effective date of registration: 20230619 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. |