CN105020879B - Fire electric water heating system and its control method - Google Patents
Fire electric water heating system and its control method Download PDFInfo
- Publication number
- CN105020879B CN105020879B CN201510467776.9A CN201510467776A CN105020879B CN 105020879 B CN105020879 B CN 105020879B CN 201510467776 A CN201510467776 A CN 201510467776A CN 105020879 B CN105020879 B CN 105020879B
- Authority
- CN
- China
- Prior art keywords
- water
- water inlet
- electric heater
- temperature
- heater component
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The invention discloses a kind of combustion electric water heating system and there is its control method, the combustion electric water heating system includes：Gas heater；Thermostat includes electric heater component and thermostatic assembly, and the water inlet of electric heater component and the delivery port of gas heater connect, and the delivery port of electric heater component and the first water inlet of thermostatic assembly connect, and the second water inlet of thermostatic assembly is connected to feed pipe；First detection module；Control module, control module obtain gas heater delivery port to electric heater component water inlet water-holding quantity, and the setting temperature of electric heater component is calculated according to the water inlet ratio of the first water inlet and the second water inlet of the water temperature in water-holding quantity, feed pipe and thermostatic assembly, to be controlled according to setting temperature to electric heater component.The combustion electric water heating system can calculate the setting temperature of electric heater component automatically, so as to balance pipeline cold water, while ensure that user can light a fire startup using gas heater during hot water.
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
It is contemplated that at least solves one of technical problem in correlation technique to a certain extent.Therefore, the present invention
One purpose is to propose a kind of setting temperature that can calculate electric heater component automatically, so as to balance pipeline cold water, simultaneously
Ensureing user can be lighted a fire the combustion electric water heating system of startup using gas heater during hot water.
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 aspect of the present invention embodiment proposes a kind of combustion electric water heating system, including：Gas and hot water
Device, the water inlet of the gas heater are connected to feed pipe；Thermostat, the thermostat include electric heater component and
Thermostatic assembly, the water inlet of the electric heater component are connected with the delivery port of the gas heater, the electric heater group
The delivery port of part is connected with the first water inlet of the thermostatic assembly, and the second water inlet of the thermostatic assembly is connected to the confession
Water end (W.E.) is used in water pipe, the delivery port connection first of the thermostatic assembly；First detection module, the first detection module are used to detect
Water temperature in the feed pipe；Control module, the control module are used to obtaining the delivery port of the gas heater to described
The water-holding quantity of the water inlet of electric heater component, and according to the water temperature in the water-holding quantity, the feed pipe and the constant temperature
First water inlet of component and the water inlet ratio of the second water inlet calculate the setting temperature of the electric heater component, with according to institute
The setting temperature for stating electric heater component is controlled to the electric heater component.
Combustion electric water heating system according to embodiments of the present invention, the water inlet of gas heater are connected to feed pipe, constant temperature dress
Put and connected including electric heater component and thermostatic assembly, the water inlet of electric heater component and the delivery port of gas heater, electricity
The delivery port of water heater components and the first water inlet of thermostatic assembly connect, and the second water inlet of thermostatic assembly is connected to water supply
Pipe, the water end (W.E.) of delivery port connection first of thermostatic assembly, first detection module detect the water temperature in feed pipe, and control module obtains
The delivery port of gas heater to the water inlet of electric heater component water-holding quantity, and according to the water temperature in water-holding quantity, feed pipe
And the first water inlet of thermostatic assembly and the water inlet ratio of the second water inlet calculate the setting temperature of electric heater component, with root
Electric heater component is controlled according to the setting temperature of electric heater component.Therefore, the combustion electric heating water system of the embodiment of the present invention
System can calculate the setting temperature of electric heater component automatically, so that between balance fuel gas water heater and thermostat in pipeline
Cold water, effectively avoid influenceing the water outlet saliva of electric heater component because the cold water in pipeline fully enters electric heater component
Temperature, meanwhile, effectively avoid because the setting temperature of electric heater component is too high and user set leaving water temperature it is too low caused by
Gas heater because water flow it is too small without start the problem of, so as to ensure that user can light a fire using gas heater during hot water
Start.
In addition, combustion electric water heating system according to the above embodiment of the present invention can also have technical characteristic additional as follows：
According to one embodiment of present invention, above-mentioned combustion electric water heating system, in addition to the second detection module, described second
Detection module be arranged on the water inlet of the electric heater component with detect the water inlet water temperature of the electric heater component and
Water inlet water-carrying capacity, wherein, when the delivery port of the thermostatic assembly is with default flow water outlet, the second detection module inspection
The first water inlet water temperature of the electric heater component is measured, the control module starts timing, and detects mould described second
When block detects the second water inlet water temperature of the electric heater component, the control module stops timing, and during according to timing
Between and the water inlet water-carrying capacity of the electric heater component calculate the delivery port of the gas heater to the electric heater group
The water-holding quantity of the water inlet of part, wherein, the second water inlet water temperature is more than the first water inlet water temperature.
According to one embodiment of present invention, the control module is according to the first water inlet of the thermostatic assembly and second
The water inlet ratio of water inlet obtains the first water inlet water-carrying capacity of the thermostatic assembly and the second water inlet of the thermostatic assembly
Water-carrying capacity, and according to the setting temperature of the below equation calculating electric heater component：
(1+m2/m1)t-m2t2/m1≤t1≤(1+q2/q1)t-q2t2/q1
Wherein, m1 is the capacity of the electric heater component, and m2 is the water-holding quantity, and t1 is the electric heater component
Temperature is set, and t2 is the water temperature in the feed pipe, and t is the delivery port water temperature of the thermostatic assembly, and q1 is the thermostatic assembly
The first water inlet water-carrying capacity, q2 be the thermostatic assembly the second water inlet water-carrying capacity.
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.).
According to one embodiment of present invention, the first detection module is arranged on the second water inlet of the thermostatic assembly
Place.
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 of the gas heater is connected to feed pipe,
The thermostat includes electric heater component and thermostatic assembly, water inlet and the gas and hot water of the electric heater component
The delivery port connection of device, the delivery port of the electric heater component are connected with the first water inlet of the thermostatic assembly, the perseverance
Second water inlet of warm component is connected to the feed pipe, and water end (W.E.), the control are used in the delivery port connection first of the thermostatic assembly
Method processed comprises the following steps：Detect the water temperature in the feed pipe；The delivery port of the gas heater is obtained to the electricity
The water-holding quantity of the water inlet of water heater components；According to the water temperature in the water-holding quantity, the feed pipe and the thermostatic assembly
The first water inlet and the water inlet ratio of the second water inlet calculate the setting temperature of the electric heater component, with according to the electricity
The setting temperature of water heater components is controlled to the electric heater component.
The control method of combustion electric water heating system according to embodiments of the present invention, detects the water temperature in feed pipe, then first
The delivery port of gas heater is obtained to the water-holding quantity of the water inlet of electric heater component, and according in water-holding quantity, feed pipe
Water temperature and thermostatic assembly the first water inlet and the second water inlet water inlet ratio calculate electric heater component setting temperature
Degree, is controlled with the setting temperature according to electric heater component to electric heater component.Therefore, the combustion electricity of the embodiment of the present invention
The control method of hot-water heating system can calculate the setting temperature of electric heater component automatically, so as to balance fuel gas water heater and constant temperature
Cold water between device in pipeline, effectively avoid influenceing electric heater because the cold water in pipeline fully enters electric heater component
The delivery port water temperature of component, meanwhile, effectively avoid because the setting temperature of electric heater component is too high and user set go out water temperature
Spend it is low caused by gas heater because water flow it is too small without start the problem of, so as to be fired when ensureing user using hot water
Gas water heater can light a fire startup.
In addition, the control method of combustion electric water heating system according to the above embodiment of the present invention can also have what is added as follows
Technical characteristic：
According to one embodiment of present invention, the control method of above-mentioned combustion electric water heating system, also detects the electric hot water
The water inlet water temperature and water inlet water-carrying capacity of device assembly, wherein, the thermostatic assembly delivery port with default flow water outlet
And when detecting the first water inlet water temperature of the electric heater component, start timing, and detecting the electric heater group
During the second water inlet water temperature of part, stop timing, wherein, the second water inlet water temperature is more than the first water inlet water temperature；
The delivery port of the gas heater is calculated to described according to the water inlet water-carrying capacity of timing time and the electric heater component
The water-holding quantity of the water inlet of electric heater component.
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
The water inlet ratio of first water inlet of part and the second water inlet obtains the first water inlet water-carrying capacity of the thermostatic assembly and described
Second water inlet water-carrying capacity of thermostatic assembly, and according to the setting temperature of the below equation calculating electric heater component：
(1+m2/m1)t-m2t2/m1≤t1≤(1+q2/q1)t-q2t2/q1
Wherein, m1 is the capacity of the electric heater component, and m2 is the water-holding quantity, and t1 is the electric heater component
Temperature is set, and t2 is the water temperature in the feed pipe, and t is the delivery port water temperature of the thermostatic assembly, and q1 is the thermostatic assembly
The first water inlet water-carrying capacity, q2 be the thermostatic assembly the second water inlet water-carrying capacity.
Brief description of the drawings
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, first detect mould
The water end (W.E.) 42 of water end (W.E.) 41, second of block 30, first, detection module 50 and check-valves 60.
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, it is intended to for explaining the present invention, and is not considered as limiting the invention.
The combustion electric water heating system that its is proposed according to embodiments of the present invention and combustion electric water heating system described with reference to the accompanying drawings
Control method.
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, first detection module 30 and control module (are not shown specifically in figure
Go out).
Wherein, the water inlet of gas heater 10 is connected to feed pipe, and thermostat 20 includes the He of electric heater component 21
Thermostatic assembly 22, the water inlet of electric heater component 21 are connected with the delivery port of gas heater 10, electric heater component 21
Delivery port is connected with the first water inlet of thermostatic assembly 22, and the second water inlet of thermostatic assembly 22 is connected to feed pipe, constant temperature group
The water end (W.E.) 41 of delivery port connection first of part 22, first detection module 30 are used to detect the water temperature in feed pipe, and control module is used
In obtain gas heater 10 delivery port to electric heater component 21 water inlet water-holding quantity, and according to water-holding quantity, supply water
First water inlet of water temperature and thermostatic assembly 22 in pipe and the water inlet ratio of the second water inlet calculate electric heater component 21
Setting temperature, electric heater component 21 is controlled with the setting temperature according to electric heater component 21.
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, therefore, to user by the way of gas heater 10 and thermostat 20 are combined
The hot water of steady temperature is provided, wherein, thermostat 20 includes electric heater component 21 and thermostatic assembly 22, electric heater component
21 include water tank and heat-generating pipe.It is laggard that the hot water that gas heater 10 comes out through electric heater component 21 is heated to certain temperature
Enter thermostatic assembly 22, the leaving water temperature that control module is set according to user controls the first water inlet and second of thermostatic assembly 22
The water inlet ratio of water inlet, so as to provide the user with the hot water of steady temperature.
But when the water temperature setting in electric heater component 21 is higher, and the leaving water temperature that user is set is relatively low,
The very low of the water inlet ratio tune of first water inlet of thermostatic assembly 22 can be likely lower than gas heater 10 and started by control module
Igniting flow, therefore, the setting temperature of electric heater component 21 can not be too high, and the cold water temperature in summer and winter feed pipe
Degree difference is bigger, if the winter of electric heater component 21 and summer keep a setting temperature, is likely to summer occur
Feed pipe inner cold water temperature is higher and when leaving water temperature that user is set is relatively low, required hot water amount may be less likely to be less than gas and hot water
The starting ignition flow of device 10, if now user open first use water end (W.E.) 41, due to gas heater 10 does not start and make into
The water for entering electric heater component 21 is cold water, so as to substantially reduce the water temperature of electric heater component 21, causes thermostatic assembly 22
Delivery port water temperature drop is more；And the setting temperature of electric heater component 21 can not be too low, if setting temperature too low, firing
After the cold water in pipeline between gas water heater 10 and thermostat 20 fully enters electric heater component 21, electricity will be substantially reduced
The water temperature of water heater components 21, so as to influence the delivery port water temperature of thermostatic assembly 22.
Therefore, in order to avoid causing gas heater 10 not start because the water flow of gas heater 10 is too small, simultaneously
The delivery port water temperature of electric heater component 21 is avoided to be remarkably decreased, the present invention is according between gas heater 10 and thermostat 20
The water temperature and the first water inlet of thermostatic assembly 22 and the water inlet ratio of the second water inlet in water-holding quantity, feed pipe in pipeline
The setting temperature of electric heater component 21 is calculated, and electric heater component 21 is entered according to the setting temperature of electric heater component 21
Row control, so as to ensure that the water flow of gas heater 10 is unlikely to the too small and startup that misfires, while the cold water in pipeline
Considerable influence will not be produced to the delivery port water temperature of electric heater component 21.
According to one embodiment of present invention, as shown in figure 1, first detection module 30 is arranged on the second of thermostatic assembly 22
Water inlet.
According to one embodiment of present invention, as shown in figure 1, above-mentioned combustion electric water heating system also includes the second detection module
50, the second detection module 50 is arranged on the water inlet of electric heater component 21 to detect the water inlet saliva of electric heater component 21
Gentle water inlet water-carrying capacity, wherein, when the delivery port of thermostatic assembly 22 is with default flow water outlet, the second detection module 50 is examined
The first water inlet water temperature of electric heater component 21 is measured, control module starts timing, and is detected in the second detection module 50
During the second water inlet water temperature of electric heater component 21, control module stops timing, and according to timing time and electric heater group
The water inlet water-carrying capacity of part 21 calculates the delivery port of gas heater 10 to the water-holding quantity of the water inlet of electric heater component 21, its
In, the second water inlet water temperature is more than the first water inlet water temperature, for example, the difference of the second water inlet water temperature and the first water inlet water temperature can
Think more than 10 DEG C.
According to one embodiment of present invention, control module is according to the first water inlet and the second water inlet of thermostatic assembly 22
Water inlet ratio obtain the first water inlet water-carrying capacity of thermostatic assembly 22 and the second water inlet water-carrying capacity of thermostatic assembly 22, and root
The setting temperature of electric heater component is calculated according to following formula (1)：
(1+m2/m1)t-m2t2/m1≤t1≤(1+q2/q1)t-q2t2/q1 (1)
Wherein, m1 is the capacity of electric heater component, and m2 is water-holding quantity, and t1 is the setting temperature of electric heater component, t2
For the water temperature in feed pipe, t is the delivery port water temperature of thermostatic assembly, and q1 is the first water inlet water-carrying capacity of thermostatic assembly, and q2 is
Second water inlet water-carrying capacity of thermostatic assembly.
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 10 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 electricity
Water heater components 21 and thermostatic assembly 22 form, and thermostat 20 has two water inlets and a delivery port, wherein, electric hot water
The water inlet of device assembly 21 is connected as the water inlet of hot water of thermostat 20 with the outlet pipe of gas heater 10, thermostatic assembly
22 the second water inlet is connected as the cold water inlet of thermostat 20 with feed pipe, and the delivery port of thermostatic assembly 22 is as permanent
The delivery port of warm device 20 is connected with first with water end (W.E.) 41.The hot water come out from gas heater 10 first passes through electric heater component
Enter thermostatic assembly 22 after 21 heating, the hot water of temperature needed for user is exported by thermostatic assembly 22.
When user's installation said system for the first time, installation personnel can determine the He of gas heater 10 according to following methods
Water-holding quantity between thermostat 20：After said system is installed, open thermostat 20 and use water with water end (W.E.) such as first recently
The hot water outlet at end 41, and exported with default flow, while the second detection module 50 detects entering for electric heater component 21
Outlet water temperature simultaneously records the time started, is opened when the water inlet water temperature of the electric heater component 21 of the second detection module 50 detection is higher than
During more than 10 DEG C of the water inlet water temperature of the electric heater component 21 detected during the beginning, when control module stops timing and records current
Between, control module calculate record dwell time and record at the beginning of between difference, and the time difference is multiplied by the second inspection
Survey the water inlet water-carrying capacity for the electric heater component 21 that module 50 detects, so as to obtain gas heater 10 and thermostat 20 it
Between water-holding quantity in pipeline, and record the water-holding quantity.
After electric water heating system operation is fired, first detection module 30 detects the water temperature in feed pipe, then according to feed pipe
Water-holding quantity between interior water temperature, gas heater 10 and thermostat 20 in pipeline, and (2) calculate electric heating according to the following equation
The setting temperature of hydrophone component 21.
M1t1+m2t2=(m1+m2) t (2)
Above-mentioned formula (2), which is deformed, can obtain for example following formula (3) of setting temperature of electric heater component 21：
T1=(1+m2/m1) t-m2t2/m1 (3)
Wherein, the delivery port water temperature t of thermostatic assembly 22 subtracts 3 DEG C not less than the setting temperature of electric heater component 21, because
This, the setting temperature t1 of electric heater component 21 has a minimum value.
In addition, the water flow for above having analyzed gas heater 10 can not be too small, therefore, following formula can be passed through
(4) the setting temperature of electric heater component 21 is obtained：
Q1t1+q2t2=(q1+q2) t (4)
Above-mentioned formula (4), which is deformed, can obtain for example following formula (5) of setting temperature of electric heater component 21：
T1=(1+q2/q1) t-q2t2/q1 (5)
In order to ensure that gas heater 10 can light a fire startup, the first water inlet water-carrying capacity q1 of thermostatic assembly 22 can not be small
In 3L/min, therefore, the setting temperature t1 of electric heater component 21 has a maximum.
Control module combination above-mentioned formula (3) and the automatic setting temperature t1 for calculating electric heater component 21 of formula (5),
So as to ensure the effluent temperature constancy of thermostat 20 without being influenceed by pipeline cold water, while gas heater 10 is not interfered with again
Starting ignition.
According to one embodiment of present invention, thermostatic assembly 22 is electronic thermostatic valve.
The leaving water temperature and the delivery port water temperature of thermostatic assembly 22 that electronic thermostatic valve can be set according to user automatically adjust
Hot and cold water water inlet ratio, so as to accurately control delivery port water temperature.In addition, the capacity of electric heater component 21 can be 6L or so,
Inside can be provided with electric heater, and its efficiency of heating surface is higher, also, the water inlet of electric heater component 21 and electric hot water
The water outlet of device assembly 21 is equipped with anti-electricity wall, to ensure water security.Because the capacity of electric heater component 21 is about 6L
Left and right, and the volume of thermostatic assembly 22 is also smaller, therefore the volume of thermostat 20 is smaller, can hide installation.
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.In addition, when combustion electric water heating system needs to provide the hot water of steady temperature for multiple bathrooms, can pacify in each bathroom
Equipped with a thermostat, and different bathrooms can set different leaving water temperatures, so as to meet the needs of different users.
According to one embodiment of present invention, as shown in Figure 1 or 2, check-valves 60 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 of gas heater are connected to water supply
Pipe, thermostat include electric heater component and thermostatic assembly, the water outlet of the water inlet and gas heater of electric heater component
Mouth connection, the delivery port of electric heater component and the first water inlet of thermostatic assembly connect, and the second water inlet of thermostatic assembly connects
Feed pipe, the water end (W.E.) of delivery port connection first of thermostatic assembly are connected to, first detection module detects the water temperature in feed pipe, control
Module obtains the delivery port of gas heater to the water-holding quantity of the water inlet of electric heater component, and according to water-holding quantity, feed pipe
Interior water temperature and the water inlet ratio of the first water inlet of thermostatic assembly and the second water inlet calculate the setting of electric heater component
Temperature, electric heater component is controlled with the setting temperature according to electric heater component.Therefore, the combustion of the embodiment of the present invention
Electric water heating system can calculate the setting temperature of electric heater component automatically, so as between balance fuel gas water heater and thermostat
Cold water in pipeline, effectively avoid influenceing going out for electric heater component because the cold water in pipeline fully enters electric heater component
Outlet water temperature, meanwhile, effectively avoid because the setting temperature of electric heater component is too high and user set the too low institute of leaving water temperature
Caused gas heater because water flow it is too small without starting the problem of, gas heater during so as to ensure that user uses hot water
Can igniting startup.
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 of gas heater is connected to feed pipe, and thermostat includes electric hot water
Device assembly and thermostatic assembly, the water inlet of electric heater component and the delivery port of gas heater connect, electric heater component
First water inlet of delivery port and thermostatic assembly connects, and the second water inlet of thermostatic assembly is connected to feed pipe, thermostatic assembly
Water end (W.E.) is used in delivery port connection first.
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, therefore, is provided the user with by the way of gas heater and thermostat are combined
The hot water of steady temperature, wherein, thermostat includes electric heater component and thermostatic assembly, and electric heater component includes water tank
And heat-generating pipe.The hot water that gas heater comes out enters thermostatic assembly after electric heater component is heated to certain temperature, controls
The leaving water temperature that module is set according to user controls the water inlet ratio of the first water inlet of thermostatic assembly and the second water inlet, from
And provide the user with the hot water of steady temperature.
But when the water temperature setting in electric heater component is higher, and the leaving water temperature that user is set is relatively low, control
The very low of the water inlet ratio tune of first water inlet of thermostatic assembly can be likely lower than gas heater starting ignition stream by molding block
Amount, therefore, the setting temperature of electric heater component can not be too high, and the cold water temperature difference ratio in summer and winter feed pipe
It is larger, if electric heater component winter and summer keep a setting temperature, it is likely to occur summer feed pipe inner cold water
Temperature is higher and when leaving water temperature that user is set is relatively low, required hot water amount may be less likely to be less than gas heater starting ignition stream
Amount, if water end (W.E.) is used in now user's unlatching first, make the water into electric heater component because gas heater does not start
For cold water, so as to substantially reduce the water temperature of electric heater component, cause the delivery port water temperature drop of thermostatic assembly more；And electric heating
The setting temperature of hydrophone component can not be too low, if setting temperature too low, the pipe between gas heater and thermostat
After cold water in road fully enters electric heater component, the water temperature of electric heater component will be substantially reduced, so as to influence electric hot water
The delivery port water temperature of device assembly.
Therefore, in order to avoid causing gas heater not start because gas heater water flow is too small, avoid simultaneously
The delivery port water temperature of electric heater component is remarkably decreased, and the present invention proposes a kind of control method for firing electric water heating system.
As shown in figure 3, the control method of combustion electric water heating system comprises the following steps：
S1, detect the water temperature in feed pipe.
S2, the delivery port of gas heater is obtained to the water-holding quantity of the water inlet of electric heater component.
According to one embodiment of present invention, the control method of above-mentioned combustion electric water heating system, also detects electric heater group
The water inlet water temperature and water inlet water-carrying capacity of part, wherein, with default flow water outlet and detected in the delivery port of thermostatic assembly
During the first water inlet water temperature of electric heater component, start timing, and detecting the second water inlet saliva of electric heater component
Wen Shi, stop timing, wherein, the second water inlet water temperature is more than the first water inlet water temperature；According to timing time and electric heater group
The water inlet water-carrying capacity of part calculates the delivery port of gas heater to the water-holding quantity of the water inlet of electric heater component.
Wherein, the difference of the second water inlet water temperature and the first water inlet water temperature can be more than 10 DEG C.
S3, according to the water temperature in water-holding quantity, feed pipe and the first water inlet of thermostatic assembly and entering for the second water inlet
Water ratio calculates the setting temperature of electric heater component, and electric heater component is entered with the setting temperature according to electric heater component
Row control.
According to one embodiment of present invention, the control method of above-mentioned combustion electric water heating system, always according to thermostatic assembly
The water inlet ratio of first water inlet and the second water inlet obtain thermostatic assembly the first water inlet water-carrying capacity and thermostatic assembly the
Two water inlet water-carrying capacity, and according to the setting temperature of above-mentioned formula (1) calculating electric heater component.
Specifically, as shown in figure 1, one end connection municipal water supply of feed pipe, the other end of feed pipe are warm with combustion gas respectively
Hydrophone 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 group
Part and thermostatic assembly composition, thermostat have two water inlets and a delivery port, wherein, the water inlet of electric heater component
It is connected as the water inlet of hot water of thermostat with the outlet pipe of gas heater, the second water inlet of thermostatic assembly is as constant temperature
The cold water inlet of device is connected with feed pipe, and the delivery port of thermostatic assembly uses water end (W.E.) as the delivery port of thermostat and first
It is connected.The hot water come out from gas heater enters thermostatic assembly after first passing through the heating of electric heater component, passes through thermostatic assembly
Export the hot water of temperature needed for user.
When user's installation said system for the first time, installation personnel can determine gas heater and perseverance according to following methods
Water-holding quantity between warm device：After said system is installed, thermostat is opened recently with the heat of the water end (W.E.) of water end (W.E.) such as first
Water delivery port, and exported with default flow, while the second detection module detects the water inlet water temperature of electric heater component and remembered
The time started is recorded, the electric hot water detected when the water inlet water temperature of the electric heater component of the second detection module detection is higher than and started
During more than 10 DEG C of the water inlet water temperature of device assembly, control module stops timing and simultaneously records current time, and control module calculates record
Dwell time and record at the beginning of between difference, and by the time difference be multiplied by the second detection module detection electric heater
The water inlet water-carrying capacity of component, so as to obtain the water-holding quantity between gas heater and thermostat in pipeline, and record this and deposit
Water.
After electric water heating system operation is fired, the water temperature in first detection module detection feed pipe, then according in feed pipe
Water temperature, the water-holding quantity between gas heater and thermostat in pipeline, and calculate electric heater group according to above-mentioned formula (3)
The setting temperature of part.Wherein, the delivery port water temperature t of thermostatic assembly subtracts 3 DEG C not less than the setting temperature of electric heater component, because
This, the setting temperature t1 of electric heater component has a minimum value.
Further, since the water flow of gas heater can not be too small, therefore, electricity can be obtained by above-mentioned formula (5)
The setting temperature of water heater components.In order to ensure that gas heater can light a fire startup, the first water inlet current of thermostatic assembly
Amount q1 can not be less than 3L/min, and therefore, the setting temperature t1 of electric heater component has a maximum.
Control module combination above-mentioned formula (3) and the automatic setting temperature t1 for calculating electric heater component of formula (5), from
And ensure the effluent temperature constancy of thermostat without being influenceed by pipeline cold water, while do not interfere with gas heater again and start point
Fire.
It should be noted that when user is less demanding to hot water temperature, gas heater can directly with water end (W.E.) phase
Even.In addition, when combustion electric water heating system needs to provide the hot water of steady temperature for multiple bathrooms, can be installed in each bathroom
There is a thermostat, and different bathrooms can set different leaving water temperatures, so as to meet the needs of different users.
To sum up, the control method for firing electric water heating system is according to the water between gas heater and thermostat in pipeline
The water inlet ratio of amount, the first water inlet of the water temperature in feed pipe and thermostatic assembly and the second water inlet calculates electric heater group
The setting temperature of part, and electric heater component is controlled according to the setting temperature of electric heater component, so as to ensure combustion gas
Water outlet of water heater flow is unlikely to too small and misfired, while the cold water in pipeline also will not go out water temperature to electric heater component
Degree produces considerable influence.
The control method of combustion electric water heating system according to embodiments of the present invention, detects the water temperature in feed pipe, then first
The delivery port of gas heater is obtained to the water-holding quantity of the water inlet of electric heater component, and according in water-holding quantity, feed pipe
Water temperature and thermostatic assembly the first water inlet and the second water inlet water inlet ratio calculate electric heater component setting temperature
Degree, is controlled with the setting temperature according to electric heater component to electric heater component.Therefore, the combustion electricity of the embodiment of the present invention
The control method of hot-water heating system can calculate the setting temperature of electric heater component automatically, so as to balance fuel gas water heater and constant temperature
Cold water between device in pipeline, effectively avoid influenceing electric heater because the cold water in pipeline fully enters electric heater component
The delivery port water temperature of component, meanwhile, effectively avoid because the setting temperature of electric heater component is too high and user set go out water temperature
Spend it is low caused by gas heater because water flow it is too small without start the problem of, so as to be fired when ensureing user using hot water
Gas water heater can light a fire startup.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the invention, " multiple " are meant that at least two, such as two, three
It is individual etc., unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements, limited unless otherwise clear and definite.For one of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature
It is that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height and is less than second feature.
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
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office
Combined in an appropriate manner in one or more embodiments or example.In addition, in the case of not conflicting, the skill of this area
Art personnel can be tied the different embodiments or example and the feature of different embodiments or example described in this specification
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (10)
1. one kind combustion electric water heating system, it is characterised in that including：
Gas heater, the water inlet of the gas heater are connected to feed pipe；
Thermostat, the thermostat include electric heater component and thermostatic assembly, the water inlet of the electric heater component
It is connected with the delivery port of the gas heater, the delivery port of the electric heater component and the first water inlet of the thermostatic assembly
Mouth connection, the second water inlet of the thermostatic assembly are connected to the feed pipe, the delivery port connection first of the thermostatic assembly
Use water end (W.E.)；
First detection module, the first detection module are used to detect the water temperature in the feed pipe；
Control module, the control module are used for delivery port the entering to the electric heater component for obtaining the gas heater
The water-holding quantity at the mouth of a river, and according to the water temperature and the first water inlet of the thermostatic assembly in the water-holding quantity, the feed pipe
The setting temperature of the electric heater component is calculated with the water inlet ratio of the second water inlet, with according to the electric heater component
Temperature is set to be controlled the electric heater component.
2. combustion electric water heating system according to claim 1, it is characterised in that also including the second detection module, described second
Detection module be arranged on the water inlet of the electric heater component with detect the water inlet water temperature of the electric heater component and
Water inlet water-carrying capacity, wherein, when the delivery port of the thermostatic assembly is with default flow water outlet, the second detection module inspection
The first water inlet water temperature of the electric heater component is measured, the control module starts timing, and detects mould described second
When block detects the second water inlet water temperature of the electric heater component, the control module stops timing, and during according to timing
Between and the water inlet water-carrying capacity of the electric heater component calculate the delivery port of the gas heater to the electric heater group
The water-holding quantity of the water inlet of part, wherein, the second water inlet water temperature is more than the first water inlet water temperature.
3. combustion electric water heating system according to claim 1 or 2, it is characterised in that the control module is according to the constant temperature
First water inlet of component and the water inlet ratio of the second water inlet obtain the first water inlet water-carrying capacity and the institute of the thermostatic assembly
The second water inlet water-carrying capacity of thermostatic assembly is stated, and the setting temperature of the electric heater component is calculated according to below equation：
(1+m2/m1)t-m2t2/m1≤t1≤(1+q2/q1)t-q2t2/q1
Wherein, m1 is the capacity of the electric heater component, and m2 is the water-holding quantity, and t1 is the setting of the electric heater component
Temperature, t2 are the water temperature in the feed pipe, and t is the delivery port water temperature of the thermostatic assembly, and q1 is the of the thermostatic assembly
One water inlet water-carrying capacity, q2 are the second water inlet water-carrying capacity of the thermostatic assembly.
4. combustion electric water heating system according to claim 1, it is characterised in that the thermostatic assembly is electronic thermostatic valve.
5. combustion electric water heating system according to claim 1, it is characterised in that be additionally provided with check-valves on the feed pipe.
6. 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.).
7. combustion electric water heating system according to claim 1, it is characterised in that the first detection module is arranged on the perseverance
Second water inlet of warm component.
8. 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 of the gas heater are connected to feed pipe, and the thermostat includes electric heater component and perseverance
Warm component, the water inlet of the electric heater component are connected with the delivery port of the gas heater, the electric heater component
Delivery port be connected with the first water inlet of the thermostatic assembly, the second water inlet of the thermostatic assembly is connected to the water supply
Water end (W.E.) is used in pipe, the delivery port connection first of the thermostatic assembly, and the control method comprises the following steps：
Detect the water temperature in the feed pipe；
The delivery port of the gas heater is obtained to the water-holding quantity of the water inlet of the electric heater component；
According to the water temperature and the first water inlet of the thermostatic assembly and the second water inlet in the water-holding quantity, the feed pipe
Water inlet ratio calculate the setting temperature of the electric heater component, with according to the setting temperature of the electric heater component to institute
Electric heater component is stated to be controlled.
9. the control method of combustion electric water heating system according to claim 8, it is characterised in that also detect the electric heater
The water inlet water temperature and water inlet water-carrying capacity of component, wherein,
With default flow water outlet and detect that the first of the electric heater component intakes in the delivery port of the thermostatic assembly
During saliva temperature, start timing, and when detecting the second water inlet water temperature of the electric heater component, stop timing, wherein,
The second water inlet water temperature is more than the first water inlet water temperature；
The delivery port of the gas heater is calculated extremely according to the water inlet water-carrying capacity of timing time and the electric heater component
The water-holding quantity of the water inlet of the electric heater component.
10. the control method of combustion electric water heating system according to claim 8 or claim 9, it is characterised in that always according to the constant temperature
First water inlet of component and the water inlet ratio of the second water inlet obtain the first water inlet water-carrying capacity and the institute of the thermostatic assembly
The second water inlet water-carrying capacity of thermostatic assembly is stated, and the setting temperature of the electric heater component is calculated according to below equation：
(1+m2/m1)t-m2t2/m1≤t1≤(1+q2/q1)t-q2t2/q1
Wherein, m1 is the capacity of the electric heater component, and m2 is the water-holding quantity, and t1 is the setting of the electric heater component
Temperature, t2 are the water temperature in the feed pipe, and t is the delivery port water temperature of the thermostatic assembly, and q1 is the of the thermostatic assembly
One water inlet water-carrying capacity, q2 are the second water inlet water-carrying capacity of the thermostatic assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510467776.9A CN105020879B (en) | 2015-07-30 | 2015-07-30 | Fire electric water heating system and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510467776.9A CN105020879B (en) | 2015-07-30 | 2015-07-30 | Fire electric water heating system and its control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105020879A CN105020879A (en) | 2015-11-04 |
| CN105020879B true CN105020879B (en) | 2018-01-30 |
Family
ID=54411043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510467776.9A Active CN105020879B (en) | 2015-07-30 | 2015-07-30 | Fire electric water heating system and its control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105020879B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202253943U (en) * | 2011-09-22 | 2012-05-30 | 芮凡 | Water-saving household hot water system |
| CN202403331U (en) * | 2012-01-10 | 2012-08-29 | 马晓琪 | Electricity and gas combined water heater |
| CN202470455U (en) * | 2012-02-02 | 2012-10-03 | 广东万和新电气股份有限公司 | Constant temperature device of water terminal and multiple-point water supply constant temperature heat water system with same |
| CN203771719U (en) * | 2014-03-31 | 2014-08-13 | 芜湖美的厨卫电器制造有限公司 | Water heater and water temperature control device thereof |
| JP2014178048A (en) * | 2013-03-13 | 2014-09-25 | Panasonic Corp | Combination faucet |
| CN104236112A (en) * | 2014-09-29 | 2014-12-24 | 芜湖美的厨卫电器制造有限公司 | Method for controlling water supply system |
-
2015
- 2015-07-30 CN CN201510467776.9A patent/CN105020879B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202253943U (en) * | 2011-09-22 | 2012-05-30 | 芮凡 | Water-saving household hot water system |
| CN202403331U (en) * | 2012-01-10 | 2012-08-29 | 马晓琪 | Electricity and gas combined water heater |
| CN202470455U (en) * | 2012-02-02 | 2012-10-03 | 广东万和新电气股份有限公司 | Constant temperature device of water terminal and multiple-point water supply constant temperature heat water system with same |
| JP2014178048A (en) * | 2013-03-13 | 2014-09-25 | Panasonic Corp | Combination faucet |
| CN203771719U (en) * | 2014-03-31 | 2014-08-13 | 芜湖美的厨卫电器制造有限公司 | Water heater and water temperature control device thereof |
| CN104236112A (en) * | 2014-09-29 | 2014-12-24 | 芜湖美的厨卫电器制造有限公司 | Method for controlling water supply system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105020879A (en) | 2015-11-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104633945B (en) | The control method and system and gas heater of gas heater | |
| CN108679848B (en) | Water flow property judgment method of hot water supply device and gas heating water heater | |
| US7810456B2 (en) | Storage water heater | |
| CN104075373B (en) | Wall-hung boiler constant-temperature control method and system based on measure by door floor heating | |
| CN104676902A (en) | Heat pump water heater and control method thereof | |
| CN205102377U (en) | Fire electric heat water system | |
| CN105091329B (en) | The control method of heat pump hot-water system and heat pump hot-water system | |
| JP5121378B2 (en) | Water heater | |
| CN110285579A (en) | A kind of gas heater and control method with ratio triple valve | |
| CN108317732A (en) | A kind of register and gas heater of automatic water-mixing | |
| CN106091357A (en) | Gas heater | |
| CN205102381U (en) | Gas water heater | |
| CN110530009A (en) | A kind of electric heating auxiliary type gas heater | |
| CN205536579U (en) | Water heater at regular time and quantity | |
| CN105020879B (en) | Fire electric water heating system and its control method | |
| CN110207394A (en) | Temperature control pipeline for gas water heater, gas water heater and control method | |
| CN104964459B (en) | Fire electric water heating system and fire the control method of electric water heating system | |
| CN109631128A (en) | A kind of telescopic wall-mounted stove and its overtemperature prote method | |
| TWM643738U (en) | Vertical electric water heater with partition | |
| CN104197515B (en) | Water tank, heat pump water heater and control method | |
| CN107144019A (en) | A kind of solar energy linkage gas instantaneous water heater with water mixing valve | |
| CN207778783U (en) | A kind of environmental protection and energy saving electric water boiler | |
| CN102679432B (en) | A kind of floor heating system using air source hybrid power | |
| CN207350860U (en) | A kind of solar energy linkage gas instantaneous water heater with water mixing valve | |
| CN109612077A (en) | Constant temp gas water heater and its control method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230613 Address after: 241000 west side of 3 / F, No.5 office building, new energy and new materials gathering area, Fuzhou Road, Jiangbei District, Wuhu City, Anhui Province Patentee after: Wuhu Midea intelligent kitchen electricity Manufacturing Co.,Ltd. Address before: 241009 Wan Chun East Road, East Wuhu economic and Technological Development Zone, Wuhu, Anhui Patentee before: WUHU MIDEA KITCHEN AND BATH APPLIANCES MFG. Co.,Ltd. Patentee before: MIDEA GROUP Co.,Ltd. |