CN106016690A - Fuel gas wall-hanging stove and control method thereof - Google Patents
Fuel gas wall-hanging stove and control method thereof Download PDFInfo
- Publication number
- CN106016690A CN106016690A CN201610530010.5A CN201610530010A CN106016690A CN 106016690 A CN106016690 A CN 106016690A CN 201610530010 A CN201610530010 A CN 201610530010A CN 106016690 A CN106016690 A CN 106016690A
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- Prior art keywords
- water
- heating
- wall hanging
- gas wall
- outlet pipe
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
- F24H1/12—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium
- F24H1/124—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium using fluid fuel
- F24H1/125—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium using fluid fuel combined with storage tank
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D15/00—Other domestic- or space-heating systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D17/00—Domestic hot-water supply systems
- F24D17/0026—Domestic hot-water supply systems with conventional heating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1051—Arrangement or mounting of control or safety devices for water heating systems for domestic hot water
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/04—Gas or oil fired boiler
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a fuel gas wall-hanging stove and a control method thereof. The fuel gas wall-hanging stove comprises a heating water path, a domestic hot water path and a preheating and expansion dual-purpose water tank. The heating water path comprises a first heat exchanger, a heating water outlet pipe and a heating water returning pipe, wherein the heating water outlet pipe and the heating water returning pipe both communicate with the first heat exchanger. A second heat exchanger of the domestic hot water path can communicate with the heating water outlet pipe and the heating water returning pipe through a connecting pipe. The preheating and expansion dual-purpose water tank comprises an expansion water tank and a preheating water tank, the preheating water tank is connected with the expansion cavity side of the expansion water tank, and heat conduction can be conducted between the expansion water tank and the preheating water tank. The preheating water tank can be connected to the domestic hot water path in series, and an expansion cavity communicates with the heating water path or the connecting pipe. When the expansion cavity communicates with the heating water returning pipe, the communication position of the expansion cavity and the heating water returning pipe is located in the side, close to the first heat exchanger, of the connecting pipe. The above fuel gas wall-hanging stove can provide hot water with a certain temperature in the water heating preparing process in a summer mode, the user waiting time is shortened, and the waste of water resources is reduced.
Description
Technical field
The present invention relates to heating wetting system technical field, more particularly, it relates to a kind of fuel wall hanging
Stove and control method thereof.
Background technology
At present, burnt gas wall hanging furnace has summer mode and winter mode, and in summer mode, heating function is not
Available, water supply function can be used；Pattern in the winter time, heating function and water supply function are the most available, wherein heating
Function acquiescence is opened, and water supply function starts when there being demand, when there being domestic hot-water's demand, and will be from heating
State is switched to service position.
Burnt gas wall hanging furnace specifically includes that burner, gas valve, heating water route and domestic hot-water water route, its
In, heating water route includes: First Heat Exchanger, heating outlet pipe and heating return pipe, domestic hot-water water route
Including: the second heat exchanger, water inlet pipe and hot water outlet pipe, heating outlet pipe and heating return pipe are by even
Adapter connects with three-way valve, and the second heat exchanger is serially connected with connecting tube.
When burnt gas wall hanging furnace is in heating state, gas valve is opened, and puts burner, in First Heat Exchanger
Water be heated, the water after heating in heating outlet pipe exits into room heat exchanger heat radiation, through heat radiation
Water be back to First Heat Exchanger by heating return pipe；When burnt gas wall hanging furnace is in service position, combustion gas
Valve is opened, and puts burner, and the water in First Heat Exchanger is heated, and the water after heating is through heating outlet pipe
Flowing out into the second heat exchanger in connecting tube, tap water enters the second heat exchanger through water inlet pipe, from the beginning
Water is heated to be hot water, then discharges through hot water outlet pipe, and the water lowered the temperature discharges the second heat exchanger, warp
Connecting tube and heating return pipe are back to First Heat Exchanger.
In summer mode, when wall-hung boiler receives domestic hot-water's demand, system first self-inspection also judges whether
Reaching domestic hot-water's compressor start up condition, after meeting heating condition, be switched to service position, gas valve is opened,
System ignition, heats domestic water, and this heating set-up procedure is it is generally required to the time of about 10s.Point
After pyrogene merit, domestic water becomes high-temperature-hot-water from low temperature tap water, and this heating up process needs the most again
Want the time of about 20s.In heating set-up procedure and heating up process, user waits the time of hot water
Longer, further, since water temperature is not reaching to use requirement, user often bleeds off a part of cold water, wave
Water wasting resource.
It addition, pattern in the winter time, when not having domestic hot-water's demand, burnt gas wall hanging furnace is in heating state,
Owing to heating leaving water temperature is higher, the design temperature upper limit can be to about 80 DEG C, and heating outlet pipe and second
Heat exchanger, hot water outlet pipe close together, under conduction of heat, the water temperature of the second heat exchanger and heat
The water temperature of water outlet pipe all can raise, even above the design temperature of domestic hot-water.Need when there being domestic hot-water
When asking, wall-hung boiler is switched to service position from heating state, the second heat exchanger and the high temperature of hot water outlet pipe
Water can first flow out, and high-temperature water is easier to scald user, there is potential safety hazard.
In sum, how to provide a kind of burnt gas wall hanging furnace, to wait hot water summer mode minimizing user
Time, reduce water resource waste, be current those skilled in the art's problem demanding prompt solution.
Summary of the invention
It is an object of the invention to provide a kind of burnt gas wall hanging furnace, to wait hot water summer mode minimizing user
Time, reduce water resource waste.It is a further object of the present invention to provide the control of a kind of burnt gas wall hanging furnace
Method processed.
To achieve these goals, the present invention provides following technical scheme:
A kind of burnt gas wall hanging furnace, including: heating water route and domestic hot-water water route, described heating water route includes:
First Heat Exchanger, the heating outlet pipe all connected with described First Heat Exchanger and heating return pipe；Described life
Second heat exchanger in hot water water route alive can be with described heating outlet pipe and described heating backwater by connecting tube
Pipe connects；
Described burnt gas wall hanging furnace also includes that pre-thermal expansion dual-purpose water tank, described pre-thermal expansion dual-purpose water tank include
Expansion tank and preheating water tank, described preheating water tank is connected with the expansion chamber side of described expansion tank, and institute
Stating can conduction of heat between expansion tank and described preheating water tank；
Wherein, described preheating water tank can be serially connected with described domestic hot-water water route, described expansion tank swollen
Swollen chamber connects with described heating water route or described connecting tube, when described expansion chamber and described heating return pipe
During connection, described expansion chamber is positioned at described connecting tube near described with the communicating position of described heating return pipe
The side of First Heat Exchanger.
Preferably, described expansion chamber connects with described heating return pipe.
Preferably, described preheating water tank can be serially connected with described hot water outlet pipe.
Preferably, the import of described preheating water tank is provided with rapid hot water water inlet pipe, and described rapid hot water is intake
Pipe can be connected with described hot water outlet pipe by the first three-way valve；When described first three-way valve is in life
During hot water conditions, described hot water outlet pipe turns on；When described first three-way valve is in rapid hot water state,
Described rapid hot water water inlet pipe connects with described hot water outlet pipe；The outlet of described preheating water tank and described heat
Water outlet pipe connects.
Preferably, one end of described connecting tube can be connected with described heating outlet pipe by the second three-way valve,
The other end of described connecting tube connects with described heating return pipe；When described second three-way valve is in heating shape
During state, described heating outlet pipe turns on；When described second three-way valve is in domestic hot-water's state, described
Connecting tube connects with described heating outlet pipe.
Preferably, above-mentioned burnt gas wall hanging furnace also includes: detect the first temperature of water temperature in described preheating water tank
Degree sensor.
Preferably, described first temperature sensor is near the outlet of described preheating water tank.
Preferably, above-mentioned burnt gas wall hanging furnace also includes: be located at second temperature sensing of described hot water outlet pipe
Device, described second temperature sensor is for detecting the temperature of the water that described second heat exchanger flows out.
Preferably, described expansion tank and described preheating water tank are integral type structure.
Preferably, described pre-thermal expansion dual-purpose water tank includes: casing, is located at the elastic diaphragm of described casing,
It is located at the dividing plate of described casing and heat conduction；Wherein, described elastic diaphragm and described dividing plate are by described casing
Cavity volume is divided into air chamber, described expansion chamber and preheating cavity successively；Described casing, described air chamber, institute
State elastic diaphragm, described expansion chamber and described dividing plate and form described expansion tank, described casing, described every
Plate and described preheating cavity form described preheating water tank.
The operation principle of the burnt gas wall hanging furnace that the present invention provides is:
At summer mode, connecting tube connection heating outlet pipe and heating return pipe, burnt gas wall hanging furnace point in advance
Fire burning, the water in First Heat Exchanger is heated, and the water after heating enters heating outlet pipe, then through even
Adapter, heating return pipe are back to First Heat Exchanger, and along with water temperature raises, pressure increases, heating backwater
Part hot water in pipe can enter expansion chamber, due between preheating water tank and expansion tank can conduction of heat,
Then the water in preheating water tank also can heat up, and shuts down after preheating water tank's temperature meets requirement.When there being life heat
During water demand, preheating water tank is serially connected with domestic hot-water water route, and burnt gas wall hanging furnace ignition, when just starting shooting
The temperature of the water that the second heat exchanger flows out is relatively low, and the water that the second heat exchanger flows out can be with the water in preheating water tank
Mixing, due to the water temperature of the water that the water temperature in preheating water tank flows out higher than the second heat exchanger, then improves water
Temperature, i.e. can provide the hot water of uniform temperature in heating set-up procedure, decrease the heat temperature raising time,
Thus decrease the waiting time of user；Meanwhile, decrease the discharge of cold water, decrease water resource
Waste.
The burnt gas wall hanging furnace that the present invention provides, can provide certain in summer mode water heating set-up procedure
The hot water of temperature, decreases the heat temperature raising time, thus decreases the waiting time of user；Meanwhile, also
Decrease the discharge of cold water, decrease the waste of water resource.
Burnt gas wall hanging furnace based on above-mentioned offer, present invention also offers the controlling party of a kind of burnt gas wall hanging furnace
Method, the control method of burnt gas wall hanging furnace includes step:
In summer mode, after rapid hot water function is unlocked, in the standby state, described preheating water is detected
Water temperature T in case1If, T1≤T2, control described connecting tube and connect described heating outlet pipe and described heating
Return pipe, described burnt gas wall hanging furnace ignition；Work as T1≥T3Time, described burnt gas wall hanging furnace is shut down；When
When having domestic hot-water's demand, described burnt gas wall hanging furnace ignition, control described preheating water tank and be serially connected with institute
State domestic hot-water water route, supply water；
Wherein, T2And T3It is preset value, and T2<T3。
Preferably, T2=(T0-△T1), T3=(T0-△T2), △ T2≤△T1-△T0；
Wherein, T0For user's design temperature, △ T0、△T1With △ T2For setting the temperature difference.
Preferably, the control method of above-mentioned burnt gas wall hanging furnace further comprises the steps of:
In summer mode, when domestic hot-water's demand is not opened and received to rapid hot water function, control described
Connecting tube connects described heating outlet pipe and described heating return pipe, stops described preheating water tank to be serially connected with institute
State domestic hot-water water route, described burnt gas wall hanging furnace ignition, supply water.
Preferably, in the control method of above-mentioned burnt gas wall hanging furnace, in described burnt gas wall hanging furnace, described expansion
Chamber connects with described heating return pipe, and described preheating water tank can be serially connected with described hot water outlet pipe；
The control method of described burnt gas wall hanging furnace further comprises the steps of:
Pattern in the winter time, stops described connecting tube to connect described heating outlet pipe and described heating return pipe,
Conducting heating water route, described burnt gas wall hanging furnace ignition, carry out heating, when receiving domestic hot-water's demand
Time, control described connecting tube and connect described heating outlet pipe and described heating return pipe, control described preheating
Water tank is serially connected with described hot water outlet pipe, supplies water.
Preferably, pattern carries out heating in the winter time, when receiving domestic hot-water's demand, meets pre-conditioned
Time control described connecting tube and connect described heating outlet pipe and described heating return pipe, control described preheating water
Case is serially connected with described hot water outlet pipe, supplies water；When being unsatisfactory for pre-conditioned, control described connecting tube
Connect described heating outlet pipe and described heating return pipe, stop described preheating water tank to be serially connected with described hot water
Outlet pipe, supplies water；
Wherein, described pre-conditioned it is: the heating leaving water temperature of described burnt gas wall hanging furnace is preset more than first
Value, or the temperature of the water of described second heat exchanger outflow is more than the second preset value.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality
Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that below,
Accompanying drawing in description is only embodiments of the invention, for those of ordinary skill in the art, not
On the premise of paying creative work, it is also possible to obtain other accompanying drawing according to the accompanying drawing provided.
The structural representation of the burnt gas wall hanging furnace that Fig. 1 provides for the embodiment of the present invention；
The front view of pre-thermal expansion dual-purpose water tank in the burnt gas wall hanging furnace that Fig. 2 provides for the embodiment of the present invention；
The side view of pre-thermal expansion dual-purpose water tank in the burnt gas wall hanging furnace that Fig. 3 provides for the embodiment of the present invention；
The top view of pre-thermal expansion dual-purpose water tank in the burnt gas wall hanging furnace that Fig. 4 provides for the embodiment of the present invention.
In figure 1 above-4:
1 for gas valve, 2 for burner, 3 for First Heat Exchanger, 4 for blower fan, 5 be the second three-way valve, 6
It is the first three-way valve, 7 is the second heat exchanger, 8 is water pump, 9 is pre-thermal expansion dual-purpose water tank, 10 is second
Temperature sensor, 11 be the first temperature sensor, 12 for heating return pipe, 13 for heating outlet pipe, 14
For water inlet pipe, 15 be hot water outlet pipe, 16 be flexible pipe, 17 be rapid hot water water inlet pipe, 18 for Rapid Thermal
Water outlet pipe, 19 be air chamber, 20 for expansion chamber, 21 for preheating cavity, 22 for inflation inlet, 23 for elasticity
Barrier film, 24 be dividing plate, 25 for pipe joint, 26 for temperature sensor embed mouth, 27 be connecting tube.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present invention, and
It is not all, of embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under creative work premise, broadly fall into the scope of protection of the invention.
As Figure 1-4, the burnt gas wall hanging furnace that the embodiment of the present invention provides, including: heating water route and life
Hot water water route, heating water route includes: First Heat Exchanger 3, the heating water outlet all connected with First Heat Exchanger 3
Pipe 13 and heating return pipe 12；Second heat exchanger 7 in domestic hot-water water route can be with by connecting tube 27
Heating outlet pipe 13 connects with heating return pipe 12.
It should be noted that domestic hot-water water route includes the second heat exchanger 7, all connect with the second heat exchanger 7
Water inlet pipe 14 and hot water outlet pipe 15；Wherein, the second heat exchanger 7 is serially connected with connecting tube 27.Fig. 1
In, there are four kinds of arrows, wherein, filled arrows represents that domestic hot-water flows to, and hollow arrow represents Rapid Thermal
Current direction, the arrow above blower fan 4 represents air flow, and last a kind of arrow represents heating water route Zhong Shui
Flow direction.
The inventive point of this programme is to add pre-thermal expansion dual-purpose water tank 9, this pre-thermal expansion dual-purpose water tank 9
Including expansion tank and preheating water tank, preheating water tank is connected with the expansion chamber side of expansion tank, and swelling water
Can conduction of heat between case and preheating water tank.
Above-mentioned preheating water tank can be serially connected with domestic hot-water water route, the expansion chamber 20 of expansion tank and heating water
Road or connecting tube 27 connect, when expansion chamber 20 connects with heating return pipe 12, expansion chamber 20 with
The communicating position of heating return pipe 12 is positioned at the connecting tube 27 side near First Heat Exchanger 3.
The operation principle of the burnt gas wall hanging furnace that the embodiment of the present invention provides is:
In summer mode, connecting tube 27 connects heating outlet pipe 13 and heating return pipe 12, fuel wall hanging
Stove ignition in advance, the water in First Heat Exchanger 3 is heated, and the water after heating enters heating outlet pipe
13, then it is back to First Heat Exchanger 3 through connecting tube 27, heating return pipe 12, along with water temperature raises,
Pressure increases, and the part hot water in heating return pipe 12 can enter expansion chamber 20, owing to preheating water tank is with swollen
Between swollen water tank can conduction of heat, then the water in preheating water tank also can heat up, when preheating water tank's temperature meet
Shut down after requirement.When there being domestic hot-water's demand, preheating water tank is serially connected with domestic hot-water water route, combustion gas wall
Extension furnace igniting burns, and the water temperature that just during start, the second heat exchanger 7 has flowed out is relatively low, and the second heat exchanger 7 flows out
Water can mix with the water in preheating water tank, owing to the water temperature in preheating water tank flows higher than the second heat exchanger 7
The water temperature of the water gone out, then improve water temperature, i.e. can provide the heat of uniform temperature in heating set-up procedure
Water, decreases the heat temperature raising time, thus decreases the waiting time of user；Meanwhile, decrease cold
The discharge of water, decreases the waste of water resource.
Describing for the ease of postorder, domestic hot-water water route and pre-thermal expansion dual-purpose water tank 9 form rapid hot water
Water route, the most above-mentioned burnt gas wall hanging furnace has rapid hot water function, and in summer mode, rapid hot water function can
By user's selectively unlocking.The burnt gas wall hanging furnace that the embodiment of the present invention provides, in summer mode water heating standard
The hot water of uniform temperature can be provided during Bei, decrease the heat temperature raising time, thus decrease user
Waiting time；Meanwhile, decrease the discharge of cold water, decrease the waste of water resource.
Through overtesting, above-mentioned burnt gas wall hanging furnace, the water of preheating water tank can be heated to 30-35 DEG C, go out hot water
Time can shorten to about 5s.
In above-mentioned burnt gas wall hanging furnace, after burner 2 is lighted, it is positioned at the blower fan 4 above burner 2 and runs,
To discharge flue gas；The fuel gas pipeline of burner 2 is provided with gas valve 1, for controlling the flow of combustion gas.
In above-mentioned burnt gas wall hanging furnace, expansion chamber 20 connects with heating water route, specifically, expansion chamber 20 with
Heating return pipe 12 connects, or expansion chamber 20 connects with heating outlet pipe 13.For the ease of arranging,
Prioritizing selection the latter.
When expansion chamber 20 connects with heating return pipe 12, above-mentioned burnt gas wall hanging furnace runs in ignition
Time (run with the state that heats or run with domestic hot-water's state), the hot water meeting in heating return pipe 12
Enter expansion chamber 20, improve serviceability.
For the ease of connecting, above-mentioned expansion chamber 20 is connected with heating return pipe 12 by flexible pipe 16.
In above-mentioned burnt gas wall hanging furnace, for the ease of backwater, heating water route also includes being serially connected with heating return pipe
The water pump 8 of 12.Wherein, expansion chamber 20 can be located at water pump 8 with the communicating position of heating return pipe 12
Inlet side, it is possible to be positioned at the outlet side of water pump 8.
In above-mentioned burnt gas wall hanging furnace, preheating water tank can be serially connected with domestic hot-water water route, specifically, preheating
The inlet and outlet of water tank all can connect with domestic hot-water water route.Such as, the import of preheating water tank and going out
Mouth all can connect with water inlet pipe 14, and the inlet and outlet of preheating water tank all can be with hot water outlet pipe 15
Connection, or the import of preheating water tank can connect with water inlet pipe 14, the outlet of preheating water tank can be with heat
Water outlet pipe 15 connects.In order to farthest reduce the waiting time, prioritizing selection preheating water tank can go here and there
Be connected to hot water outlet pipe 15, then when preheating water tank is serially connected with hot water outlet pipe 15, the import of preheating water tank
All connect with hot water outlet pipe 15 with outlet, and primary importance is positioned at the upstream of the second position, primary importance
For import and the communicating position of hot water outlet pipe 15 of preheating water tank, the second position is the outlet of preheating water tank
Communicating position with hot water outlet pipe 15.
In above-mentioned burnt gas wall hanging furnace, expansion chamber 20 connects with heating return pipe 12, and preheating water tank can go here and there
It is connected to hot water outlet pipe 15.So, in the winter time during pattern heating, along with the water temperature in heating water route
Raising, pressure increases, and the part hot water in heating return pipe 12 can enter expansion chamber 20, due to preheating water
Between case and expansion tank can conduction of heat, then the water in preheating water tank can heat up, during heating operation one section
After between, system pressure tends towards stability, and reaches thermal balance, and the water temperature in expansion chamber 20 and preheating water tank also can
Stable；When receiving domestic hot-water's demand, connecting tube 27 connects heating outlet pipe 13 and heating return pipe
12, preheating water tank is serially connected with hot water outlet pipe 15, supplies water；Tap water enters second through water inlet pipe 14
Heat exchanger 7, enters preheating water tank through hot water outlet pipe 15 after water is heated, mixes with the water in preheating water tank
Close, be then out preheating water tank and discharge through hot water outlet pipe 15.Owing to the water temperature in expansion chamber 20 is low
In heating return water temperature, the water temperature in preheating water tank is less than the water temperature in expansion chamber 20, the second heat exchanger 7
Interior water temperature is higher than the water temperature in expansion chamber 20, then the water temperature of the second heat exchanger 7 is higher than in preheating water tank
Water temperature, then after the water through the second heat exchanger 7 heating mixes with the water in preheating water tank, water temperature reduces,
Effectively reduce the temperature of water that hot water outlet pipe 15 is flowed out, it is to avoid the too high hot water of temperature is discharged, from
And avoid scald user, eliminate potential safety hazard.
During it should be noted that burnt gas wall hanging furnace is in heating state, connecting tube 27 does not connects heating water outlet
Pipe 13 and heating return pipe 12, heating water route turns on, burnt gas wall hanging furnace ignition.Above-mentioned fuel wall hanging
In stove, in summer mode, rapid hot water function can be by user's selectively unlocking；Pattern in the winter time, quickly
Hot water water route acquiescence is opened, i.e. acquiescence preheating water tank is serially connected with hot water outlet pipe 15, expansion chamber 20 and heating
Return pipe 12 connects, to avoid scalding user after being switched to service position by heating state.
Preferably, in above-mentioned burnt gas wall hanging furnace, the import of preheating water tank is provided with rapid hot water water inlet pipe 17,
Rapid hot water water inlet pipe 17 can be connected with hot water outlet pipe 15 by the first three-way valve 6；When the one or three
When logical valve 6 is in domestic hot-water's state, hot water outlet pipe 15 turns on；When the first three-way valve 6 is in quickly
During hot water conditions, rapid hot water water inlet pipe 17 connects with hot water outlet pipe 15；The outlet of preheating water tank with
Hot water outlet pipe 15 connects.Specifically, the outlet of preheating water tank is by rapid hot water outlet pipe 18 and heat
Water outlet pipe 15 connects.
Specifically, the import of the first three-way valve 6 all connects with hot water outlet pipe 15 with the first outlet, and first
Second outlet of three-way valve 6 connects with rapid hot water water inlet pipe 17；When the first three-way valve 6 is in life heat
During water state, the import of the first three-way valve 6 and the first outlet of the first three-way valve 6；When the one or three
When logical valve 6 is in rapid hot water state, the import of the first three-way valve 6 and the second of the first three-way valve 6 go out
Mouth connection.
Above-mentioned burnt gas wall hanging furnace, connects hot water outlet pipe 15 by the first three-way valve 6 and rapid hot water enters
Water pipe 17, facilitates switching state, it is simple to automatically control.Further, the first three-way valve 6 is electromagnetism
Valve.
Preferably, in above-mentioned burnt gas wall hanging furnace, one end of connecting tube 27 can be with by the second three-way valve 5
Heating outlet pipe 13 connects, and the other end of connecting tube 27 connects with heating return pipe 12；When the second threeway
When valve 5 is in heating state, heating outlet pipe 13 turns on；When the second three-way valve 5 is in domestic hot-water's shape
During state, connecting tube 27 connects with heating outlet pipe 13.
Specifically, the import of the second three-way valve 5 all connects with heating outlet pipe 13 with the first outlet, connects
Pipe 27 and the second outlet of the second three-way valve 5；When the second three-way valve 5 is in heating state, the
The import of two three-way valve 5 and the first outlet of the second three-way valve 5；When the second three-way valve 5 is in life
During hot water conditions of living, the import of the second three-way valve 5 and the second outlet of the second three-way valve 5.
Above-mentioned burnt gas wall hanging furnace, connects connecting tube 27 and heating outlet pipe 13 by the second three-way valve 5,
Facilitate switching state, it is simple to automatically control.Further, the second three-way valve 5 is electromagnetic valve.
For above-mentioned First Heat Exchanger 3 and the type of the second heat exchanger 7 and structure, can be according to actual needs
Being designed, this is not limited by the embodiment of the present invention.Preferably, above-mentioned second heat exchanger 7 is board-like
Heat exchanger, heat exchange efficiency is higher, takes up room less.
In order to reduce the waste of energy, improving energy-efficient performance, above-mentioned burnt gas wall hanging furnace also includes: detection is pre-
First temperature sensor 11 of the water temperature in boiler.It is understood that the first temperature sensor 11
Inside in preheating water tank.
Above-mentioned burnt gas wall hanging furnace, by knowing the water temperature in preheating water tank, can determine whether to open Rapid Thermal
Water function, it is possible to effectively reduce the waste of energy.Specifically, when the water temperature in preheating water tank is more than presetting
During value, then without opening rapid hot water function, decrease the waste of energy.
For the ease of installing the first temperature sensor 11, preheating water tank is provided with temperature sensor and embeds mouth 26.
Certainly, it is possible to select the first temperature sensor 11 to be configured with other structures, it is not limited to this.
Further, the first temperature sensor 11 is near the outlet of preheating water tank.It is understood that the
One temperature sensor 11 is positioned at the vicinity of the outlet of preheating water tank.So, improve judgment accuracy, subtract
Few erroneous judgement.
Preferably, above-mentioned burnt gas wall hanging furnace also includes: be located at second temperature sensor of hot water outlet pipe 15
10, the temperature of the water that this second temperature sensor 10 is flowed out for detection the second heat exchanger 7.So, may be used
Detected value according to the second temperature sensor 10 is controlled, and improves controllability.
For the ease of installation and removal, in above-mentioned burnt gas wall hanging furnace, expansion tank and preheating water tank are integrated
Formula structure.
Further, pre-thermal expansion dual-purpose water tank 9 includes: casing, is located at the elastic diaphragm 23 of casing,
It is located at the dividing plate 24 of casing and heat conduction；Wherein, elastic diaphragm 23 and dividing plate 24 are by the cavity volume of casing successively
It is divided into air chamber 19, expansion chamber 20 and preheating cavity 21；Casing, air chamber 19, elastic diaphragm 23,
Expansion chamber 20 and dividing plate 24 form expansion tank, and casing, dividing plate 24 and preheating cavity 21 form preheating water
Case.
It is understood that elastic diaphragm 23 is separated by air chamber 19 and expansion chamber 20, dividing plate 24 separates
Expansion chamber 20 and preheating cavity 21.Elastic diaphragm 23 and dividing plate 24 are all connected with box sealing.System is cold
But, time, in air chamber 19, barrier film is shifted onto the bottom side of expansion chamber 19, burnt gas wall hanging furnace by the pressure of pre-gas
The water of system is introduced into expansion chamber, and when the water temperature of fuel wall hanging furnace system raises, pressure increases, hydraulic pressure
Higher than precharge of gas pressure, the water adding thermal expansion will enter expansion chamber.The bottom side of expansion chamber 19, refers to
Expansion chamber 19 is near the side of preheating cavity 21.
For the ease of gas injection in air chamber 19, above-mentioned casing is additionally provided with and connects with air chamber 19
Inflation inlet 22.In order to avoid gas leakage, being additionally provided with closeouts at this inflation inlet 22, this closeouts seals inflation
Mouth 22.
In order to connect expansion chamber 20 and preheating cavity 21, the import department of expansion chamber 20, the import of preheating cavity 21
Place and exit are equipped with pipe joint 25, in order to connect pipe fitting.
The burnt gas wall hanging furnace provided based on above-described embodiment, the embodiment of the present invention additionally provides a kind of combustion gas wall
Hanging the control method of stove, the control method of this burnt gas wall hanging furnace includes step:
In summer mode, after rapid hot water function is unlocked, in the standby state, in detection preheating water tank
Water temperature T1If, T1≤T2, control connecting tube 27 and connect heating outlet pipe 13 and heating return pipe 12,
Burnt gas wall hanging furnace ignition；Work as T1≥T3Time, burnt gas wall hanging furnace is shut down；When there being domestic hot-water's demand,
Control preheating water tank and be serially connected with domestic hot-water water route, burnt gas wall hanging furnace ignition, supply water；Wherein,
T2And T3It is preset value, and T2<T3。
It should be noted that T2And T3Specifically numerical value, can be designed according to actual needs, this
This is not limited by bright embodiment.Holding state, refers to that user is not switched on faucet, on burnt gas wall hanging furnace
Electricity is not detected by tap water water-flow signal, without the state of hot water demand.Burnt gas wall hanging furnace is shut down, and refers to stop
Only burning, gas valve 1 is closed, and cleans, water pump 8 Posterior circle after blower fan 4.
The control method of above-mentioned burnt gas wall hanging furnace, by comparing the water temperature in preheating water tank and preset value, when
Just make burnt gas wall hanging furnace ignition in advance when meeting condition, improve reliability, decrease energy
Waste.
Preferably, T2=(T0-△T1), T3=(T0-△T2), △ T2≤△T1-△T0；Wherein, T0
For user's design temperature, △ T0、△T1With △ T2For setting the temperature difference.For T0、△T0、△T1And △
T2Specifically numerical value, can be designed according to actual needs, this is not limited by the embodiment of the present invention.
Such as, T0It is 35 °, △ T0It is 5 °, △ T2For 3-10 °.
Above-mentioned burnt gas wall hanging furnace, when preheating under holding state, user does not has domestic hot-water's demand, for
Reduce the waste of energy, it is not necessary to the temperature of preheating water is heated to user's design temperature.After preheating again
When receiving domestic hot-water's demand, system heats the water to the time of user's design temperature and also can shorten.
Preferably, the control method of above-mentioned burnt gas wall hanging furnace further comprises the steps of:
In summer mode, when domestic hot-water's demand is not opened and received to rapid hot water function, control to connect
Pipe 27 connects heating outlet pipe 13 and heating return pipe 12, stops preheating water tank to be serially connected with domestic hot-water's water
Road, burnt gas wall hanging furnace ignition, supply water.
Preferably, in the control method of above-mentioned burnt gas wall hanging furnace, in burnt gas wall hanging furnace, expansion chamber 20 with adopt
Warm return pipe 12 connects, and preheating water tank can be serially connected with hot water outlet pipe 15；The control of above-mentioned burnt gas wall hanging furnace
Method processed further comprises the steps of:
Pattern in the winter time, stops connecting tube 27 to connect heating outlet pipe 13 and heating return pipe 12, conducting
Heating water route, burnt gas wall hanging furnace ignition, carry out heating, when receiving domestic hot-water's demand, control
Connecting tube 27 connects heating outlet pipe 13 and heating return pipe 12, and control preheating water tank is serially connected with hot water and goes out
Water pipe 15, supplies water.
Pattern in the winter time, can determine whether to open rapid hot water water route, because heating goes out through judgement
The setting value of coolant-temperature gage is generally 30-85 DEG C, when the heating leaving water temperature of user's setting is relatively low, such as setting value
Less than 45 DEG C, the water temperature of the second heat exchanger 7 and hot water outlet pipe 15 also can be on the low side, will not scald user；
When the heating leaving water temperature of user's setting is higher, if setting value is higher than 65 DEG C, the second heat exchanger 7 and hot water
The water temperature of outlet pipe 15 can be higher, and high-temperature-hot-water may scald user.
In order to optimize technique scheme further, in the control method of above-mentioned burnt gas wall hanging furnace, in the winter time
Pattern carries out heating, when receiving domestic hot-water's demand, controls connecting tube 27 and connect when meeting pre-conditioned
Heating outlet pipe 13 and heating return pipe 12, control preheating water tank and be serially connected with hot water outlet pipe 15, carry out
Supply water；When being unsatisfactory for pre-conditioned, control connecting tube 27 and connect heating outlet pipe 13 and heating return pipe
12, stop preheating water tank to be serially connected with hot water outlet pipe 15, supply water；
Wherein, pre-conditioned it is: the heating leaving water temperature of burnt gas wall hanging furnace is more than the first preset value, or
The temperature of the water that the second heat exchanger 7 flows out is more than the second preset value.
In the control method of above-mentioned burnt gas wall hanging furnace, the second preset value can be the design temperature of control system,
It is alternatively user's design temperature.Above-mentioned first preset value and the concrete numerical value of the second preset value, can be according to reality
Border needs to be designed, and this is not limited by the embodiment of the present invention.
Described above to the disclosed embodiments, makes those skilled in the art be capable of or uses this
Bright.Multiple amendment to these embodiments will be apparent from, herein for a person skilled in the art
Defined in General Principle can be real at other without departing from the spirit or scope of the present invention
Execute in example and realize.Therefore, the present invention is not intended to be limited to the embodiments shown herein, and is intended to
Meet the widest scope consistent with principles disclosed herein and features of novelty.
Claims (15)
1. a burnt gas wall hanging furnace, including: heating water route and domestic hot-water water route, described heating water route is wrapped
Include: First Heat Exchanger, the heating outlet pipe all connected with described First Heat Exchanger and heating return pipe；Institute
The second heat exchanger stating domestic hot-water water route can be with described heating outlet pipe and described heating by connecting tube
Return pipe connects, it is characterised in that
Described burnt gas wall hanging furnace also includes that pre-thermal expansion dual-purpose water tank, described pre-thermal expansion dual-purpose water tank include
Expansion tank and preheating water tank, described preheating water tank is connected with the expansion chamber side of described expansion tank, and institute
Stating can conduction of heat between expansion tank and described preheating water tank；
Wherein, described preheating water tank can be serially connected with described domestic hot-water water route, described expansion tank swollen
Swollen chamber connects with described heating water route or described connecting tube, when described expansion chamber and described heating return pipe
During connection, described expansion chamber is positioned at described connecting tube near described with the communicating position of described heating return pipe
The side of First Heat Exchanger.
Burnt gas wall hanging furnace the most according to claim 1, it is characterised in that described expansion chamber is with described
Heating return pipe connects.
Burnt gas wall hanging furnace the most according to claim 2, it is characterised in that described preheating water tank can
It is serially connected with described hot water outlet pipe.
Burnt gas wall hanging furnace the most according to claim 3, it is characterised in that described preheating water tank enters
Mouth is provided with rapid hot water water inlet pipe, and described rapid hot water water inlet pipe can be with described warm by the first three-way valve
Water outlet pipe connects；When described first three-way valve is in domestic hot-water's state, described hot water outlet pipe leads
Logical；When described first three-way valve is in rapid hot water state, described rapid hot water water inlet pipe and described heat
Water outlet pipe connects；The outlet of described preheating water tank connects with described hot water outlet pipe.
Burnt gas wall hanging furnace the most according to claim 1, it is characterised in that one end of described connecting tube
Can be connected with described heating outlet pipe by the second three-way valve, the other end of described connecting tube is adopted with described
Warm return pipe connection；When described second three-way valve is in heating state, described heating outlet pipe turns on；
When described second three-way valve is in domestic hot-water's state, described connecting tube connects with described heating outlet pipe.
Burnt gas wall hanging furnace the most according to claim 1, it is characterised in that also include: detection is described
First temperature sensor of the water temperature in preheating water tank.
Burnt gas wall hanging furnace the most according to claim 6, it is characterised in that described first temperature sensing
Device is near the outlet of described preheating water tank.
Burnt gas wall hanging furnace the most according to claim 1, it is characterised in that also include: be located at described
Second temperature sensor of hot water outlet pipe, described second temperature sensor is used for detecting described second heat exchange
The temperature of the water that device flows out.
9. according to the burnt gas wall hanging furnace described in any one in claim 1-8, it is characterised in that described
Expansion tank and described preheating water tank are integral type structure.
Burnt gas wall hanging furnace the most according to claim 9, it is characterised in that described pre-thermal expansion two
Include with water tank: casing, be located at the elastic diaphragm of described casing, be located at the dividing plate of described casing and heat conduction；
Wherein, the cavity volume of described casing is divided into air chamber, described by described elastic diaphragm and described dividing plate successively
Expansion chamber and preheating cavity；Described casing, described air chamber, described elastic diaphragm, described expansion chamber and institute
Stating dividing plate and form described expansion tank, described casing, described dividing plate and described preheating cavity form described preheating
Water tank.
The control method of 11. 1 kinds of burnt gas wall hanging furnaces as described in any one in claim 1-10, its
It is characterised by, including step:
In summer mode, after rapid hot water function is unlocked, in the standby state, described preheating water is detected
Water temperature T in case1If, T1≤T2, control described connecting tube and connect described heating outlet pipe and described heating
Return pipe, described burnt gas wall hanging furnace ignition；Work as T1≥T3Time, described burnt gas wall hanging furnace is shut down；When
When having domestic hot-water's demand, burnt gas wall hanging furnace ignition, control described preheating water tank and be serially connected with described life
Hot water water route alive, supplies water；
Wherein, T2And T3It is preset value, and T2<T3。
The control method of 12. burnt gas wall hanging furnaces according to claim 11, it is characterised in that
T2=(T0-△T1), T3=(T0-△T2), △ T2≤△T1-△T0；
Wherein, T0For user's design temperature, △ T0、△T1With △ T2For setting the temperature difference.
The control method of 13. burnt gas wall hanging furnaces according to claim 13, it is characterised in that also wrap
Include step:
In summer mode, when domestic hot-water's demand is not opened and received to rapid hot water function, control described
Connecting tube connects described heating outlet pipe and described heating return pipe, stops described preheating water tank to be serially connected with institute
State domestic hot-water water route, described burnt gas wall hanging furnace ignition, supply water.
The control method of 14. burnt gas wall hanging furnaces according to claim 11, it is characterised in that described
In burnt gas wall hanging furnace, described expansion chamber connects with described heating return pipe, and described preheating water tank can concatenate
In described hot water outlet pipe；
The control method of described burnt gas wall hanging furnace further comprises the steps of:
Pattern in the winter time, stops described connecting tube to connect described heating outlet pipe and described heating return pipe,
Conducting heating water route, described burnt gas wall hanging furnace ignition, carry out heating, when receiving domestic hot-water's demand
Time, control described connecting tube and connect described heating outlet pipe and described heating return pipe, control described preheating
Water tank is serially connected with described hot water outlet pipe, supplies water.
The control method of 15. burnt gas wall hanging furnaces according to claim 14, it is characterised in that in the winter
Season, pattern carried out heating, when receiving domestic hot-water's demand, controlled described connecting tube when meeting pre-conditioned
Connect described heating outlet pipe and described heating return pipe, control described preheating water tank and be serially connected with described hot water
Outlet pipe, supplies water；When being unsatisfactory for pre-conditioned, control described connecting tube and connect described heating water outlet
Pipe and described heating return pipe, stop described preheating water tank to be serially connected with described hot water outlet pipe, supply water；
Wherein, described pre-conditioned it is: the heating leaving water temperature of described burnt gas wall hanging furnace is preset more than first
Value, or the temperature of the water of described second heat exchanger outflow is more than the second preset value.
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| CN201610530010.5A CN106016690B (en) | 2016-07-06 | 2016-07-06 | Gas wall-mounted boiler and control method thereof |
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| CN201610530010.5A CN106016690B (en) | 2016-07-06 | 2016-07-06 | Gas wall-mounted boiler and control method thereof |
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| CN106369653A (en) * | 2016-10-18 | 2017-02-01 | 艾欧史密斯(中国)热水器有限公司 | Heating hot water device and heating hot water system |
| CN106839417A (en) * | 2017-04-05 | 2017-06-13 | 珠海格力电器股份有限公司 | A kind of burnt gas wall hanging furnace and its supplying hot water method |
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| CN108266789A (en) * | 2018-02-10 | 2018-07-10 | 广东顺德圣堡莱热能科技有限公司 | A kind of wall hanging furnace system |
| CN108548319A (en) * | 2018-06-05 | 2018-09-18 | 广东诺科冷暖设备有限公司 | Fully pre-mixing gas combustion wall-hung boiler |
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| CN111457578A (en) * | 2020-05-13 | 2020-07-28 | 珠海格力电器股份有限公司 | Gas water heating system and control method thereof |
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| CN114704954A (en) * | 2022-04-28 | 2022-07-05 | 浙江昂科拉热能科技有限公司 | Wall-mounted furnace control method with zero cold water reservation function |
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| CN114811947A (en) * | 2022-04-08 | 2022-07-29 | 广东万和新电气股份有限公司 | Control method of gas water heater and gas water heater |
| CN114811947B (en) * | 2022-04-08 | 2024-04-12 | 广东万和新电气股份有限公司 | Control method of gas water heater and gas water heater |
| CN114704954A (en) * | 2022-04-28 | 2022-07-05 | 浙江昂科拉热能科技有限公司 | Wall-mounted furnace control method with zero cold water reservation function |
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