CN106091357A - Gas heater - Google Patents
Gas heater Download PDFInfo
- Publication number
- CN106091357A CN106091357A CN201610606163.3A CN201610606163A CN106091357A CN 106091357 A CN106091357 A CN 106091357A CN 201610606163 A CN201610606163 A CN 201610606163A CN 106091357 A CN106091357 A CN 106091357A
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- Prior art keywords
- gas
- water
- outlet
- heat exchanger
- water inlet
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Classifications
-
- 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
- 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
- F24H9/12—Arrangements for connecting heaters to circulation pipes
- F24H9/13—Arrangements for connecting heaters to circulation pipes 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
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1832—Arrangement or mounting of combustion heating means, e.g. grates or burners
- F24H9/1836—Arrangement or mounting of combustion heating means, e.g. grates or burners using fluid fuel
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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
- 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
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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)
- Details Of Fluid Heaters (AREA)
Abstract
The invention discloses a kind of gas heater, described gas heater includes: housing, and described housing includes the installing plate being adapted to mount on wall, and described housing is provided with exhaust opening, cooling water inlet, hot water outlet, fuel gas inlet and air intlet；Heat exchanger, described heat exchanger is located in described housing, and described heat exchanger is provided with outlet, gas approach and the exhanst gas outlet that the water inlet connected with described cooling water inlet connects with described hot water outlet；For the burner heating described heat exchanger, in described burner is located at described housing and connecting with described gas approach, described burner is provided with the combi inlet port connected respectively with described fuel gas inlet and described air intlet；Smoke exhaust pipe, described smoke exhaust pipe connects and remains at least partially within described exhanst gas outlet and described exhaust opening between described heat exchanger and described installing plate respectively.Gas heater according to embodiments of the present invention has that noise is low, space availability ratio advantages of higher.
Description
Technical field
The present invention relates to electrical equipment manufacturing technology field, in particular to a kind of gas heater.
Background technology
Gas heater in correlation technique uses partially premixed combustion system, and this combustion system efficiency of combustion is relatively
Low, and the emission request of low harmful gas cannot be met.To this end, Some gases water heater uses the combustion system of full premix, but
The coupling of combustion gas and air is required higher by full premix combustion, easily occurs noise under high load capacity duty.
Summary of the invention
It is contemplated that solve one of above-mentioned technical problem of the prior art the most to a certain extent.To this end, this
Bright proposing a kind of gas heater, this gas heater has that noise is low, space availability ratio advantages of higher.
For achieving the above object, according to embodiments of the invention, a kind of gas heater, described gas heater bag are proposed
Including: housing, described housing includes the installing plate being adapted to mount on wall, and described housing is provided with exhaust opening, cooling water inlet, heat
Water out, fuel gas inlet and air intlet；Heat exchanger, described heat exchanger is located in described housing, described heat exchanger be provided with
Outlet, gas approach and the exhanst gas outlet that the water inlet of described cooling water inlet connection connects with described hot water outlet；For right
The burner of described heat exchanger heating, described burner is located in described housing and connects with described gas approach, described burning
Device is provided with the combi inlet port connected respectively with described fuel gas inlet and described air intlet；Smoke exhaust pipe, described smoke exhaust pipe divides
Other and described exhanst gas outlet and described exhaust opening connect and remain at least partially between described heat exchanger and described installing plate.
Gas heater according to embodiments of the present invention, has that noise is low, space availability ratio advantages of higher.
It addition, gas heater according to the above embodiment of the present invention can also have a following additional technical characteristic:
According to one embodiment of present invention, the cross section of described housing generally rectangle and the cross section of described housing
Length in the lateral direction is more than the length on fore-and-aft direction, the cross section of described smoke exhaust pipe generally rectangle and described row
The cross section of smoke pipe length in the lateral direction is more than the length on fore-and-aft direction.
According to one embodiment of present invention, described gas heater also include respectively with described exhaust opening and described smoke evacuation
The transfer tube that pipe is connected, described exhaust opening is positioned on the roof of described housing, and described burner is positioned at above described heat exchanger, institute
State in transfer tube is located at described housing and be positioned at above described burner.
According to one embodiment of present invention, described transfer tube is provided with cigarette temperature sensor.
According to one embodiment of present invention, the length of described housing in the vertical direction is less than 800 millimeters, described housing
Length in the lateral direction is less than 600 millimeters, and described housing length in the longitudinal direction is less than 400 millimeters.
According to one embodiment of present invention, described gas heater also includes for collecting the cold of described heat exchanger generation
The water spilage tray of solidifying water, described water spilage tray is positioned at below described heat exchanger and connects with described exhanst gas outlet.
According to one embodiment of present invention, on described combi inlet port, connection has blender, described blender to be provided with
Mouth is crossed in the combustion gas connected with described fuel gas inlet and the air that connects with described air intlet crosses mouth.
According to one embodiment of present invention, on described air intlet, connection has U-shaped hush pipe.
According to one embodiment of present invention, described gas heater also includes: circulation line, and described circulation line is respectively
Connect with described water inlet and described outlet；Water circulating pump, described water circulating pump is connected on described circulation line.
According to one embodiment of present invention, described gas heater also includes water inlet pipe and outlet pipe, described water inlet pipe
Be connected with described water inlet and described cooling water inlet respectively, described outlet pipe respectively with described outlet and described hot water outlet phase
Even, described circulation line is connected with described water inlet pipe and described outlet pipe respectively, described circulation line and the company of described water inlet pipe
Connecing node between described water inlet and described cooling water inlet, described circulation line is positioned at the connection node of described outlet pipe
Between described outlet and described hot water outlet.
According to one embodiment of present invention, described gas heater also includes that water tank, described water tank are connected to institute
State on water inlet pipe and between the connection node and described water inlet of described circulation line and described water inlet pipe.
According to one embodiment of present invention, described gas heater also includes that water tank, described water tank are connected to institute
State on outlet pipe and between the connection node and described outlet of described circulation line and described outlet pipe.
According to one embodiment of present invention, described water tank be respectively adjacent to described heat exchanger that described housing is relative two
Sidewall is arranged.
According to one embodiment of present invention, described gas heater also includes controller and gas ratio valve, described combustion
Gas proportioning valve is connected in described blender import, and described controller leads to described gas ratio valve and described water circulating pump respectively
Interrogate and after described gas ratio valve is closed, control described water circulating pump and run the scheduled time.
According to one embodiment of present invention, on described circulation line, connection has circulation on-off valve, described circulation on-off valve
With described controller communication.
According to one embodiment of present invention, described gas heater also includes water flow sensor, and described discharge passes
Sensor be connected on described water inlet pipe and be positioned at described circulation line and described water inlet pipe connection node and described water inlet it
Between, described water flow sensor and described controller communication.
According to one embodiment of present invention, described circulation line is provided with the returning pipe joint for connecting back to water pipe.
According to one embodiment of present invention, described circulation line is positioned at the lower section of described heat exchanger.
According to one embodiment of present invention, described cooling water inlet, hot water outlet and fuel gas inlet are positioned at described housing
On diapire.
Accompanying drawing explanation
Fig. 1 is the sectional view of gas heater according to embodiments of the present invention.
Fig. 2 is the sectional view of gas heater according to embodiments of the present invention.
Fig. 3 is the sectional view of gas heater according to embodiments of the present invention.
Fig. 4 is the sectional view of gas heater according to embodiments of the present invention.
Fig. 5 is the sectional view of gas heater according to embodiments of the present invention.
Fig. 6 is the partial structurtes schematic diagram of the gas heater according to one specific embodiment of the present invention.
Fig. 7 is the partial structurtes schematic diagram of the gas heater according to another specific embodiment of the present invention.
Reference: gas heater 1, housing 100, installing plate 110, exhaust opening 120, cooling water inlet 130, hot water outlet
140, fuel gas inlet 150, heat exchanger 200, water inlet 210, outlet 220, burner 300, smoke exhaust pipe 400, transfer tube 410,
Cigarette temperature sensor 411, water spilage tray 500, blender 600, U-shaped hush pipe 610, circulation line 700, water circulating pump 710, circulation are led to
Disconnected valve 720, returning pipe joint 730, water inlet pipe 810, outlet pipe 820, fuel gas pipeline 830, water tank 900, controller 1000, combustion
Gas proportioning valve 1100, water flow sensor 1200.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, the most from start to finish
Same or similar label represents same or similar element or has the element of same or like function.Below with reference to attached
The embodiment that figure describes is exemplary, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward ", " up time
Pin ", " counterclockwise ", " axially ", " radially ", the orientation of the instruction such as " circumferential " or position relationship be based on orientation shown in the drawings or
Position relationship, is for only for ease of the description present invention and simplifies description rather than instruction or imply that the device of indication or element must
Must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In describing the invention, " multiple " are meant that at least two, such as two, three
Individual etc., unless otherwise expressly limited specifically.
Below with reference to the accompanying drawings gas heater 1 according to embodiments of the present invention is described.
As shown in Fig. 1-Fig. 7, gas heater 1 according to embodiments of the present invention includes housing 100, heat exchanger 200, burning
Device 300 and smoke exhaust pipe 400.
Housing 100 includes the installing plate 110 being adapted to mount on wall, and housing 100 is provided with exhaust opening 120, cold water enters
Mouth 130, hot water outlet 140, fuel gas inlet 150 and air intlet.Heat exchanger 200 is located in housing 100, and heat exchanger 200 sets
The outlet 220, gas approach and the flue gas that have the water inlet 210 connected with cooling water inlet 130 to connect with hot water outlet 140 go out
Mouthful.Burner 300 heats for heat exchanger 200, in burner 300 is located at housing 100 and connects with described gas approach, changes
Hot device 200 is provided with the combi inlet port connected respectively with fuel gas inlet 150 and described air intlet.Smoke exhaust pipe 400 respectively with
Described exhanst gas outlet and exhaust opening 120 connect and remain at least partially between heat exchanger 200 and installing plate 110.
Gas heater 1 according to embodiments of the present invention, by arranging heat exchanger 200, burner 300 and smoke exhaust pipe 400,
Make to enter the combustion gas of housing 100 by fuel gas inlet 150 and mix laggard by the air of described air intlet entrance housing 100
Entering burner 300, the heat exchanger 200 that burns in burner 300 heats, and the water at water source is through water inlet 210 simultaneously
Entering discharges for user by outlet 220 and hot water outlet 140, to realize to user after heat exchanger 200 heats
Hot-water supply.Further, the flue gas that burner 300 burning produces enters smoke exhaust pipe 400 by described exhanst gas outlet, finally by row
Mouth 120 is discharged, in order to the conveying of flue gas and process.
Further, by being located at smoke exhaust pipe 400 at least partially between heat exchanger 200 and installing plate 110, can the row of making
Smoke pipe 400 is adjacent to the body of wall at gas heater 1 place, and such as, the rear wall of housing 100 constitutes installing plate 110, and heat exchanger 200 is adjacent
The antetheca of nearly housing 100 is arranged and smoke exhaust pipe 400 is arranged adjacent to the rear wall of housing 100.Compare the gas and hot water in correlation technique
Device, can make the rear remaining at least partially within heat exchanger 200 of smoke exhaust pipe 400, so that smoke exhaust pipe 400 relatively heat exchanger 200 is more
Add to press close to body of wall, so that the noise that flue gas produces when smoke exhaust pipe 400 is prone to be absorbed by body of wall, make user be difficult to hear row
The noise produced at smoke pipe 400, thus reduce the noise produced when gas heater 1 works, improves comfortable when using of user
Property.
Additionally, by being at least partially disposed in smoke exhaust pipe 400 between heat exchanger 200 and installing plate 110, Ke Yiti
The utilization rate in space in high housing 100, saves the space within housing 100, for example, it is possible to be easy to reduce housing 100 in left and right
Size on direction, thus reduce the space that gas heater 1 takies, make gas heater 1 be more suitable for general family and use.
Therefore, gas heater 1 according to embodiments of the present invention has that noise is low, space availability ratio advantages of higher.
Below with reference to the accompanying drawings gas heater 1 according to the specific embodiment of the invention is described.
In some specific embodiments of the present invention, as shown in Fig. 1-Fig. 7, gas heater according to embodiments of the present invention
1 includes housing 100, heat exchanger 200, burner 300 and smoke exhaust pipe 400.
The cross section of the cross section of housing 100 generally rectangle and housing 100 length in the lateral direction is more than front
Rear length upwards, the cross section of the cross section of described smoke exhaust pipe generally rectangle and described smoke exhaust pipe is in the lateral direction
Length more than on fore-and-aft direction length (above-below direction as shown in the arrow A in Fig. 1-Fig. 5, left and right directions such as Fig. 1, Fig. 3-
Shown in arrow C in Fig. 5, fore-and-aft direction is as shown in the arrow B in Fig. 2).So can ensure smoke exhaust pipe 400 air quantity and
In the case of the volume of heat exchanger 200, it is simple to control gas heater 1 size in the longitudinal direction, thus reduce further
The space that gas heater 1 takies.
Advantageously, as Figure 1-Figure 5, gas heater 1 also includes being connected with exhaust opening 120 and smoke exhaust pipe 400 respectively
Transfer tube 410, exhaust opening 120 is positioned on the roof of housing 100, and burner 300 is positioned at above heat exchanger 200, transfer tube 410
In being located at housing 100 and be positioned at above burner 300.So can be so that the connection of smoke exhaust pipe 400 and exhaust opening 120, it is simple to
Flue gas is discharged housing 100, and can be so that exhaust opening 120 is arranged adjacent to the center of housing 100 roof, it is simple to row
Outside smoke-exhaust pipeline is connected on mouth 120.
Specifically, the cross section of transfer tube 410 is circular.
More advantageously, as Figure 1-Figure 5, transfer tube 410 is provided with cigarette temperature sensor 411.So can utilize cigarette
Temperature sensor 411 detects the temperature of the flue gas through transfer tube 410, with the burning shape according to flue-gas temperature regulation burner 300
State, such that it is able to be easy to avoid the generation of harmful gas.
Specifically, as Figure 1-Figure 5, the length of housing 100 in the vertical direction is less than 800 millimeters, and described housing exists
Length on left and right directions is less than 600 millimeters, and described housing length in the longitudinal direction is less than 400 millimeters.So can subtract
The space that little gas heater 1 takies, it is simple to the installation of gas heater 1, improves the acceptance of user.
Fig. 1-Fig. 5 shows the gas heater 1 according to one concrete example of the present invention.As Figure 1-Figure 5, combustion gas heat
Hydrophone 1 also includes the water spilage tray 500 for collecting the condensed water that heat exchanger 200 produces, and water spilage tray 500 is positioned at heat exchanger 200 times
Just and connect with described exhanst gas outlet.Specifically, the top of burner 300 heat exchanger 200 directly heats, and burning is produced
Raw flue gas carries out heat exchange with heat exchanger 200 further in the bottom of heat exchanger 200, and after heat exchange, the steam in flue gas occurs cold
Fall into after Ning in water spilage tray 500.So so that condensed water is collected, and burner 300 burning can be made to produce
Heat be fully used, thus improve the heats of gas heater 1, reduce the energy consumption of gas heater 1.
Specifically, smoke exhaust pipe 400 can be connected on the rear surface of water spilage tray 500.
Specifically, as it is shown in figure 1, connect on described combi inlet port and have blender 600, blender 600 are provided with and fire
Mouth is crossed in the combustion gas of gas import 150 connection and the air that connects with described air intlet crosses mouth.Specifically, blender 600 can
Think venturi mixer and be positioned at above burner 300.Combustion gas and air so can be made to be introduced into blender 600 and to carry out pre-
Enter burner 300 by described combi inlet port again after Hun, such that it is able to facilitate implementation full premix combustion, improve gas and hot water
The efficiency of device 1 also reduces discharge.
More specifically, as Figure 1-Figure 5, on described air intlet, connection has U-shaped hush pipe 610.So can drop
The noise that low air produces through described air intlet, thus improve comfort level when user uses further.
Fig. 1-Fig. 7 shows the gas heater 1 according to particular embodiments of the invention.As shown in Fig. 1-Fig. 7, combustion gas
Water heater 1 also includes circulation line 700 and water circulating pump 710.Circulation line 700 connects with water inlet 210 and outlet 220 respectively
Logical.Water circulating pump 710 is connected on circulation line 700.
By arranging circulation line 700 and water circulating pump 710, it is possible to use circulation line 700 connects entering of heat exchanger 200
The mouth of a river 210 and outlet 220, enable the water in heat exchanger 200 to be circulated exchange with the water in circulation line 700.So
After user stops using hot water, drive the water in circulation line 700 to flow by starting water circulating pump 710, promote to follow
Water in endless tube road 700 is circulated with the water in heat exchanger 200, reduces the water temperature in heat exchanger 200, it is to avoid overheated water stays
Incrustation scale is produced, such that it is able to make heat exchanger 200 less scaling in causing heat exchanger 200 in there is heat exchanger 200.
Further, owing to heat exchanger 200 is less scaling, heat exchanger 200 can be made to be difficult to because of fouling affects heat transfer effect, from
And the service life of heat exchanger 200 can be extended.Owing to heat exchanger 200 can be by being circulated reduction heat exchanger to water
The temperature of water in 200, can avoid slowly causing heat exchanger owing to the volume of heat exchanger 200 increases the water cooling made
The problem of fouling in 200, such that it is able to be easy to expand the volume of heat exchanger 200, improves the heat exchange efficiency of heat exchanger 200.
Additionally, by being connected on circulation line 700 by water circulating pump 710, current can be made normally to use heat user
Water makes, without going past water circulating pump 710, to reduce water inlet resistance when user normally uses, thus to avoid water circulating pump 710 shadow
Ring the water flow during use water of user, improve comfortableness when user uses.
Specifically, as shown in Fig. 1-Fig. 7, gas heater 1 also includes water inlet pipe 810 and outlet pipe 820, water inlet pipe 810
Being connected with water inlet 210 and cooling water inlet 130 respectively, outlet pipe 820 is connected with outlet 220 and hot water outlet 140 respectively, follows
Endless tube road 700 is connected with water inlet pipe 810 and outlet pipe 820 respectively, and circulation line 700 is positioned at the connection node of water inlet pipe 810
Between water inlet 210 and cooling water inlet 130, circulation line 700 is positioned at outlet 220 and heat with the connection node of outlet pipe 820
Between water out 140.So can realize the connection of circulation line 700, and through part when can enable water circulation
Water inlet pipe 810 and part outlet pipe 820, thus improve the cooling-down effect of heat exchanger 200.
In one particular embodiment of the present invention, as it is shown in fig. 7, gas heater 1 also includes water tank 900, water storage
Tank 900 be connected on water inlet pipe 810 and be positioned at the connection node of circulation line 700 and water inlet pipe 810 and water inlet 210 it
Between.The water that the water in water tank 900 so can be made to participate in circulation line 700 and following that the water in heat exchanger 200 is carried out
In ring, make the water in water tank 900 be circulated exchange with the water in heat exchanger 200, thus be easy to further reduce heat exchanger
The temperature of 200, and when being connected to water tank 900 on water inlet pipe 810 can make to be circulated, retain in water tank 900
Water is the cold water entered by cooling water inlet 130, such that it is able to the water temperature reduced in water tank 900, with heat exchanger 200
In water when being circulated exchange, the cooling-down effect of heat exchanger 200 can be improved.
In another specific embodiment of the present invention, as shown in Figure 6, gas heater 1 also includes water tank 900, storage
Water pot 900 be connected on outlet pipe 820 and be positioned at the connection node of circulation line 700 and outlet pipe 820 and outlet 220 it
Between.The water that the water in water tank 900 so can be made to participate in circulation line 700 and following that the water in heat exchanger 200 is carried out
In ring, make the water in water tank 900 be circulated exchange with the water in heat exchanger 200, thus be easy to further reduce heat exchanger
The temperature of 200, and owing to water tank 900 is connected on outlet pipe 820, the hot water flowed out by outlet pipe 820 can be made first
Buffered by water tank 900, it is to avoid the water that hot water outlet 140 flows out occurs sometimes hot and sometimes cold phenomenon.
It will be appreciated by those skilled in the art that, water inlet pipe 810 and outlet pipe 820 can be equipped with water tank
900。
Specifically, the volume of water tank 900 is 1-2L.So can carry in the case of ensureing the firing rate to water
The cooling-down effect of high heat exchanger 200,
More specifically, as it is shown in figure 1, water tank 900 is respectively adjacent to, with heat exchanger 200, the two side that housing 100 is relative
Arrange.Specifically, water tank 900 can be arranged at the upper left corner of neighbouring housing 100, and heat exchanger 200 may be located at water storage
The lower right of tank 900.Can be so that the pipeline connecting water tank 900 and heat exchanger 200 reserves enough spaces, to improve shell
The utilization rate in space in body 100, is easy to control the size of housing 100 further, reduces the space that gas heater 1 takies.
Advantageously, as shown in Fig. 1-Fig. 7, gas heater 1 also includes controller 1000 and gas ratio valve 1100, combustion gas
Proportioning valve 1100 connects with described combi inlet port, and controller 1000 leads to gas ratio valve 1100 and water circulating pump 710 respectively
Interrogate and after gas ratio valve 1100 is closed, control water circulating pump 710 and run the scheduled time.So can utilize controller 1000
Automatically controlling the startup of water circulating pump 710, after user's stopping water, gas ratio valve 1100 is closed, and combustion gas stops entering combustion
Burner 300, burner 300 stops heating, and controller 1000 controls circulation line 700 and runs simultaneously, is circulated current, follows
Stop after the ring scheduled time, to save the energy.So can realize automatically controlling of water circulating pump 710.
Specifically, the described scheduled time can be less than 30 seconds.Controller 1000 can set before and after water tank 900 side by side
Put.
More advantageously, as shown in Fig. 1-Fig. 7, circulation line 700 connects and has circulation on-off valve 720, circulate on-off valve
720 control circulation on-off valve 720 with controller 1000 communication and controller 1000 after gas ratio valve 1100 is closed opens institute
State the scheduled time.So can close closed loop on-off valve 720 when user just commonly uses water, prevent the cold water at water inlet pipe 810 from entering
Enter in outlet pipe 820, and after user's use water terminates, open circulation on-off valve 720, enable the water at heat exchanger 200 and circulation
Water in pipeline 700 is circulated exchange.
Alternatively, as shown in Figure 6 and Figure 7, gas heater 1 also includes water flow sensor 1200, water flow sensor
1200 are connected on water inlet pipe 810 and between the connection node and water inlet 210 of circulation line 700 and water inlet pipe 810, water
Flow transducer 1200 and controller 1000 communication, controller 1000 detects at water flow sensor 1200 and controls after current stop
Gas ratio valve 1100 processed is closed.Water flow sensor 1200 so can be utilized to detect user's whether stopping water, thus from
The dynamic gas ratio valve 1100 that controls is closed, and makes combustion gas stop entering burner 300.And owing to water flow sensor 1200 is positioned at
Between connection node and the water inlet 210 of circulation line 700 and water inlet pipe 810, can examine after gas ratio valve 1100 is closed
Water whether is had to flow, to judge that water circulating pump 710 the most normally works in surveying water inlet pipe 810.
Further, gas heater 1 also includes temperature detector (not shown), described temperature detector with
Controller 1000 communication, described temperature detector is located on outlet pipe 820 or return pipe 2.Controller 1000 is in described water temperature
The detected value of detection device is opened with circulation on-off valve 720 less than controlling water circulating pump 710 during predetermined value.So can be user
When not using hot water, when output water temperature reduces, open water circulating pump 710 and circulation on-off valve 720 makes pipeline and water tank 900
Interior water is circulated exchange with the water in heat exchanger 200, thus preheats the water in outlet pipe 820 or return pipe 2, contracting
Short user reuses waiting time during hot water, improves comfortableness when user uses.
Specifically, water inlet 210 and outlet 220 may be located on the same sidewall of heat exchanger 200.Water inlet pipe 810
Left side or the right side of heat exchanger 200 can be extended to from the lower section of heat exchanger 200.
Fig. 1-Fig. 5 shows the gas heater 1 according to one concrete example of the present invention.As Figure 1-Figure 5, circulation pipe
Road 700 is provided with the returning pipe joint 730 for connecting back to water pipe.Returning pipe joint 730 so can be utilized to connect back to water pipe
2, to utilize the water in return pipe 2 to be circulated exchange with the water in heat exchanger 200.
Specifically, as Figure 1-Figure 5, circulation line 700 is positioned at the lower section of heat exchanger 200.So can carry further
The utilization rate of high spatial, reduces the size of housing 100.
More specifically, as Figure 1-Figure 5, cooling water inlet 130, hot water outlet 140 and fuel gas inlet 150 are positioned at housing
On the diapire of 100.So can be so that exterior line be connected with gas heater 1 from below.
Specifically, returning pipe joint 730 is exposed by the diapire of housing 100.Heat exchanger 200 can be stainless steel part or
Copper piece.
Can connect on returning pipe joint 730 and have check valve.Cold water thermotropism water end (W.E.) so it is possible to prevent to flow.
Fuel gas inlet 150 and described combustion gas cross to connect between mouth has fuel gas pipeline 830, gas ratio valve 1100 to be connected to combustion
On air pipe 830 and be positioned at the left side of heat exchanger 200.Fuel gas pipeline 830 from the diapire of housing 100 through the side of heat exchanger 200
Portion extends to the top of burner 300.
Below with reference to the accompanying drawings the work process of gas heater 1 according to embodiments of the present invention is described.
When user normally uses hot water, if water tank 900 is located on outlet pipe 820, as it is shown on figure 3, circulation on-off valve
720 close, and water circulating pump 710 cuts out, and gas ratio valve 1100 is opened, and combustion gas enters blender 600 by fuel gas pipeline 830,
Enter burner 300 with the air entering blender 600 by U-shaped hush pipe 610 after mixing to carry out burning with heat exchanger 200
Heat.Meanwhile, the water at water source enters heat exchanger 200 through water inlet pipe 810, passes through after being heated by burner 300
Water pipe 820 is discharged from hot water outlet 140 after water tank 900 buffers and is used for user.
If water tank 900 is located on water inlet pipe 810, then the water at water source is laggard through water tank 900 by water inlet pipe 810
Enter heat exchanger 200.
When user stops using hot water, as shown in Fig. 4, Fig. 6 and Fig. 7, at cooling water inlet 130 and hot water outlet 140
Water stops flowing due to user's stopping water, and in water flow sensor 1200 detects water inlet pipe 810, current stop, controller
1000 control gas ratio valves 1100 closes, and controls water circulating pump 710 and start, and circulation on-off valve 720 is opened, heat exchanger 200
Interior high temperature water is circulated exchange with the water in water tank 900 by circulation line 700, reduces heat exchanger 200 inside and deposits
Coolant-temperature gage, thus reduce high-temperature water fouling probability.
Wherein, Fig. 4 and Fig. 6 shows the embodiment that water tank 900 is located on outlet pipe 820.Fig. 7 shows water tank
900 are located at the embodiment on water inlet pipe 810.
Gas heater 1 can also have warm-up cycle function, when user setup during warm-up cycle function, and controller
1000 control water circulating pump 710 when the detected value of described temperature detector is less than predetermined value opens with circulation on-off valve 720,
Water circulates between water tank 900 and heat exchanger 200, until the detected value of described temperature detector is more than reaching predetermined value
Time stop.Thus can ensure that water tank 900 water temperature is in user's range of set value, it is ensured that user uses quickly to go out next time
Hot water.
When user has overlay return pipe 2, as it is shown in figure 5, return pipe 2 to be connected to returning pipe joint 730 and heat
On water out 140.After user stops use water, circulation on-off valve 720 close, water circulating pump 710 starts, water return pipe 2 with change
Circulate between hot device 200.
When user is not provided with warm-up cycle function, water circulating pump 710 stops after running the scheduled time.
When user setup warm-up cycle function, water circulating pump 710 reaches pre-at the detected value of described temperature-detecting device
Stop after definite value.
Water temperature so can be made to be maintained at setting within the temperature range of, can open when user opens faucet i.e. obtain hot
Water, effectively reduces the situation of start cold water.
Other of gas heater 1 according to embodiments of the present invention constitute and operate for those of ordinary skill in the art
For be all known, be not detailed herein.
In the present invention, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " fixing " etc.
Term should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or integral；Can be that machinery connects
Connect, it is also possible to be electrical connection or each other can communication；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, permissible
It is connection or the interaction relationship of two elements of two element internals, unless otherwise clear and definite restriction.For this area
For those of ordinary skill, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or spy
Point is contained at least one embodiment or the 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.And, the specific features of description, structure, material or feature can be in office
One or more embodiments or example combine in an appropriate manner.Additionally, in the case of the most conflicting, the skill of this area
The feature of the different embodiments described in this specification or example and different embodiment or example can be tied by art personnel
Close and combination.
Although above it has been shown and described that embodiments of the invention, it is to be understood that above-described embodiment is example
Property, it is impossible to being interpreted as limitation of the present invention, those of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, revises, replaces and modification.
Claims (19)
1. a gas heater, it is characterised in that including:
Housing, described housing includes the installing plate being adapted to mount on wall, described housing be provided with exhaust opening, cooling water inlet,
Hot water outlet, fuel gas inlet and air intlet；
Heat exchanger, described heat exchanger is located in described housing, and described heat exchanger is provided with the water inlet connected with described cooling water inlet
Outlet, gas approach and the exhanst gas outlet that mouth connects with described hot water outlet；
For the burner that described heat exchanger is heated, connect in described burner is located at described housing and with described gas approach
Logical, described burner is provided with the combi inlet port connected respectively with described fuel gas inlet and described air intlet；
Smoke exhaust pipe, described smoke exhaust pipe connect with described exhanst gas outlet and described exhaust opening and remain at least partially within respectively described in change
Between hot device and described installing plate.
Gas heater the most according to claim 1, it is characterised in that the cross section of described housing generally rectangle and
The cross section of described housing length in the lateral direction is more than the length on fore-and-aft direction, and the cross section of described smoke exhaust pipe is substantially
For the cross section length in the lateral direction of rectangle and described smoke exhaust pipe more than the length on fore-and-aft direction.
Gas heater the most according to claim 1, it is characterised in that also include respectively with described exhaust opening and described row
The transfer tube that smoke pipe is connected, described exhaust opening is positioned on the roof of described housing, and described burner is positioned at above described heat exchanger,
Described transfer tube is located in described housing and is positioned at above described burner.
Gas heater the most according to claim 3, it is characterised in that described transfer tube is provided with cigarette temperature sensor.
Gas heater the most according to claim 1, it is characterised in that the length of described housing in the vertical direction is less than
800 millimeters, described housing length in the lateral direction is less than 600 millimeters, and described housing length in the longitudinal direction is less than
400 millimeters.
Gas heater the most according to claim 1, it is characterised in that also include for collecting what described heat exchanger produced
The water spilage tray of condensed water, described water spilage tray is positioned at below described heat exchanger and connects with described exhanst gas outlet.
Gas heater the most according to claim 1, it is characterised in that connect on described combi inlet port and have blender,
Described blender is provided with the combustion gas connected with described fuel gas inlet and crosses mouth and the air that connects with described air intlet crosses mouth.
Gas heater the most according to claim 7, it is characterised in that connect on described air intlet and have U-shaped hush pipe.
Gas heater the most according to claim 1, it is characterised in that also include:
Circulation line, described circulation line connects with described water inlet and described outlet respectively；
Water circulating pump, described water circulating pump is connected on described circulation line.
Gas heater the most according to claim 9, it is characterised in that also include water inlet pipe and outlet pipe, described water inlet
Pipe is connected with described water inlet and described cooling water inlet respectively, described outlet pipe respectively with described outlet and described hot water outlet
Being connected, described circulation line is connected with described water inlet pipe and described outlet pipe respectively, described circulation line and described water inlet pipe
Connect node between described water inlet and described cooling water inlet, the connection node position of described circulation line and described outlet pipe
Between described outlet and described hot water outlet.
11. gas heaters according to claim 10, it is characterised in that also include water tank, described water tank connects
On described water inlet pipe and between the connection node and described water inlet of described circulation line and described water inlet pipe.
12. gas heaters according to claim 10, it is characterised in that also include water tank, described water tank connects
On described outlet pipe and between the connection node and described outlet of described circulation line and described outlet pipe.
13. according to the gas heater described in claim 11 or 12, it is characterised in that described water tank and described heat exchanger divide
Do not arrange adjacent to the two side that described housing is relative.
14. gas heaters according to claim 10, it is characterised in that also include controller and gas ratio valve, institute
State gas ratio valve to be connected in described blender import, described controller respectively with described gas ratio valve and described recirculated water
Pump communication and described gas ratio valve close after control described water circulating pump run the scheduled time.
15. gas heaters according to claim 14, it is characterised in that connect on described circulation line and have circulation break-make
Valve, described circulation on-off valve and described controller communication.
16. gas heaters according to claim 14, it is characterised in that also include water flow sensor, described current
Quantity sensor is connected on described water inlet pipe and is positioned at the connection node of described circulation line and described water inlet pipe and described water inlet
Between Kou, described water flow sensor and described controller communication.
17. gas heaters according to claim 9, it is characterised in that described circulation line is provided with for connecting back to
The returning pipe joint of water pipe.
18. gas heaters according to claim 10, it is characterised in that described circulation line is positioned at described heat exchanger
Lower section.
19. gas heaters according to claim 1, it is characterised in that described cooling water inlet, hot water outlet and combustion gas are entered
Mouth is positioned on the diapire of described housing.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610606163.3A CN106091357A (en) | 2016-07-28 | 2016-07-28 | Gas heater |
| PCT/CN2017/082592 WO2018018977A1 (en) | 2016-07-28 | 2017-04-28 | Gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610606163.3A CN106091357A (en) | 2016-07-28 | 2016-07-28 | Gas heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106091357A true CN106091357A (en) | 2016-11-09 |
Family
ID=57478368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610606163.3A Pending CN106091357A (en) | 2016-07-28 | 2016-07-28 | Gas heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106091357A (en) |
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| WO2018018977A1 (en) * | 2016-07-28 | 2018-02-01 | 芜湖美的厨卫电器制造有限公司 | Gas water heater |
| CN108444094A (en) * | 2018-06-06 | 2018-08-24 | 广东万家乐燃气具有限公司 | A kind of thermostatic type central heater and control method |
| CN109425096A (en) * | 2017-08-31 | 2019-03-05 | 芜湖美的厨卫电器制造有限公司 | Water heater |
| CN110749105A (en) * | 2019-10-18 | 2020-02-04 | 华帝股份有限公司 | Active noise reduction fuel gas water heating device and method |
| CN111023556A (en) * | 2019-11-20 | 2020-04-17 | 中山百得厨卫有限公司 | Gas water heater capable of realizing hot air circulation |
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Application publication date: 20161109 |