CN106369807A - Zero-cold-water gas water heater and system thereof - Google Patents
Zero-cold-water gas water heater and system thereof Download PDFInfo
- Publication number
- CN106369807A CN106369807A CN201610917603.7A CN201610917603A CN106369807A CN 106369807 A CN106369807 A CN 106369807A CN 201610917603 A CN201610917603 A CN 201610917603A CN 106369807 A CN106369807 A CN 106369807A
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- water
- pipe
- mouth
- cold water
- water pipe
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 968
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 67
- 238000005086 pumping Methods 0.000 claims description 47
- 238000002156 mixing Methods 0.000 claims description 36
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- MGCQZNBCJBRZDT-UHFFFAOYSA-N midodrine hydrochloride Chemical compound [H+].[Cl-].COC1=CC=C(OC)C(C(O)CNC(=O)CN)=C1 MGCQZNBCJBRZDT-UHFFFAOYSA-N 0.000 claims description 5
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 77
- 238000010438 heat treatment Methods 0.000 description 55
- 239000008399 tap water Substances 0.000 description 9
- 235000020679 tap water Nutrition 0.000 description 9
- 239000000567 combustion gas Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000003287 bathing Methods 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- 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
- 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
-
- 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
- F24H15/00—Control of fluid heaters
- F24H15/20—Control of fluid heaters characterised by control inputs
- F24H15/212—Temperature of the water
- F24H15/219—Temperature of the water after heating
-
- 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
- F24H15/00—Control of fluid heaters
- F24H15/20—Control of fluid heaters characterised by control inputs
- F24H15/238—Flow rate
-
- 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
- F24H15/00—Control of fluid heaters
- F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
- F24H15/335—Control of pumps, e.g. on-off control
-
- 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
- F24H9/139—Continuous flow 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
- F24H15/00—Control of fluid heaters
- F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
- F24H15/305—Control of valves
Landscapes
- 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)
- Fluid Mechanics (AREA)
- Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
Abstract
The invention discloses a zero-cold-water gas water heater which comprises a circulation water pump, a water pump water inlet pipe, a water pump water outlet pipe, a cold water pipe, a cold water inlet nozzle, a hot water outlet nozzle, a heat exchanger, a first one-way valve, a controller, a first water flow sensor and a second water flow sensor. The cold water inlet nozzle, the cold water pipe and the heat exchanger communicate with the hot water outlet nozzle in sequence. The water pump water inlet pipe is connected with the water pump water outlet pipe through the circulation water pump, the water pump water outlet pipe is connected with the cold water pipe, and a first water pipe joint is formed at the connecting position. The first water flow sensor is installed at the position of the water pump water inlet pipe or the water pump water outlet pipe. The second water flow sensor and the first one-way valve are installed at the position of a section, between the first water pipe joint and the cold water inlet nozzle, of the cold water pipe. The circulation water pump, the first water flow sensor and the second water flow sensor are electrically connected with the controller. According to the zero-cold-water gas water heater, water utilization of a user can be correctly judged, good user experience is achieved, electric energy can be saved, and the service life of the water pump can be prolonged.
Description
Technical field
The present invention relates to gas utensil technical field, more particularly, to a kind of zero cold water gas heater and its system.
Background technology
This shortcoming of tap water can be flowed out to solve gas heater when using with water spot first, occur in that at present
Zero cold water gas heater, including the water circulation heating pipeline being made up of water circulating pump and return pipe etc., water circulation heats pipeline
One end and the cold water inlet being connected heat exchanger connect, water circulation heat the other end of pipeline with and the combustion that is connected with water spot
The hot water outlet pipe of gas water heater connects.Its operation principle is: when the water temperature in hot water outlet pipe is less than preset temperature, circulation
Water pump begins to work, by return pipe by the cold-water reflux in hot water outlet pipe to cold water inlet, and is entered by cold water
Water pipe enters into heat exchanger Zhang Jinhang heating, so can realize preheating of the cold water in hot water outlet pipe, so that
User heats through in advance in the water being used with water spot.Additionally, existing zero cold water gas heater is also included located at described
Water flow sensor in cold water pipe, when user is in normal water utilizing process, has water flowing, at this moment water in described cold water pipe
The flow velocity of current can be changed into the signal of telecommunication and the signal of telecommunication is sent to the control being electrically connected with water flow sensing unit by flow transducer
Device, then controller can judge to have in cold water pipe water to flow, show that user is using water, at this moment controller can control zero cold water
The heating work of gas heater, and the water after heating is delivered to user's water spot, enable a user to just commonly use water.
But it is because that the circulation heating tube of zero current cold water gas heater is connected with cold water inlet, and discharge
Sensor is arranged on one section of cold water water inlet between the connectivity part of circulation heating tube and cold water inlet and described heat exchanger
Guan Zhong, this can make circulation heating tube and cold water inlet share a water flow sensor, when carrying out cold water and preheating,
Water circulation heating pipeline has water to flow, and water flow sensor will produce water-flow signal；When user carries out bath water, cold water
Water inlet pipe also has water flowing, and water flow sensor also can produce water-flow signal；Such that controller is difficult to sentence exactly
Break and user in the water flowing carrying out bath water or water circulation heating and the cold water pipe that leads to, so that when user needs
Water circulation heating may be carried out with zero cold water gas heater during water on the contrary so that user can not just commonly use water (because working as
User, can make with water spot and pipeline in zero cold water gas heater during water also when carrying out water circulation heating
Hydraulic pressure is not sufficiently stable, simultaneously as the unstable control program that also can make zero cold water gas heater of the hydraulic pressure in pipeline is again
Miscellaneous so that sequential operation easily error and lead to the water heater working unstable), and then have impact on the experience of user；
And user also can waste electric energy with water water pump if work, also have impact on the working life of water pump simultaneously.
Content of the invention
For the problems referred to above, it is an object of the invention to provide a kind of situation that can correctly judge user's water thus
Have good Consumer's Experience and can with saves energy and extend water pump service life zero cold water gas heater and zero
Cold water gas heater system.
To achieve these goals, the invention provides a kind of zero cold water gas heater, it includes water circulating pump, water pump
Water inlet pipe, pumping line, cold water pipe, cold water water inlet tap, hot water effluent's mouth, heat exchanger, the first check valve, controller,
One water flow sensor and the second water flow sensor；Described cold water pipe is connected with described cold water water inlet tap, and described cold water
Pipe is connected with the water inlet end of described heat exchanger；The water side of described heat exchanger is connected with described hot water effluent's mouth；Described water
The first end of pump water inlet pipe is used for connect with described hot water effluent's mouth, the second end of described pump water inlet and described water circulating pump
Water inlet end connect；The first end of described pumping line is connected with the water side of described water circulating pump, and described water pump water outlet
Second end of pipe is connected formation the first water pipe node with described cold water pipe；Described first water flow sensor is installed on described water pump
At water inlet pipe or at described pumping line, described second water flow sensor and described first check valve are mounted on described the
At one section of cold water pipe between one water pipe node and described cold water water inlet tap；The entrance of described first check valve and described cold water enter
Water nozzle connects, and the outlet of described first check valve is connected with described first water pipe node；Described water circulating pump, described first current
Quantity sensor is all electrically connected with described controller with described second water flow sensor.
Preferably, described zero cold water gas heater also includes the 3rd check valve；Described 3rd check valve is arranged on described
At pumping line, and the entrance of described 3rd check valve is connected with the first end of described pumping line, and the described 3rd is unidirectional
The outlet of valve is connected with the second end of described pumping line；Or, described 3rd check valve is arranged on described pump water inlet
Place, and the entrance of described 3rd check valve connects with the first end of described pump water inlet, the outlet of described 3rd check valve and
Second end connection of described pump water inlet.
Preferably, described zero cold water gas heater also includes hot water storage tank, the water inlet end of described hot water storage tank with
The water side connection of described heat exchanger, the water side of described hot water storage tank is connected with described hot water effluent's mouth.
Preferably, described zero cold water gas heater also includes the backwater mouth for connecting, institute with described hot water effluent's mouth
The first end stating backwater mouth with described pump water inlet is connected.
Present invention also offers the first zero cold water gas heater system, including the first running water pipe, the second tap water
Pipe, the mouth of a river from the beginning, the water mixing valve of at least one connection water spot, the 4th check valve, backwater connecting tube, hot water outlet pipe, connection
Pipe and zero cold water gas heater as above；Described backwater mouth is by described connecting tube with described cold water water inlet tap even
Connect；The hot water mouth of described water mixing valve is connected with described hot water effluent's mouth by described hot water outlet pipe, described hot water effluent's Gutron
Cross and the described backwater connecting tube of described 4th check valve is installed is connected with described first running water pipe；Described 4th check valve
Entrance is connected with described hot water outlet pipe, and the outlet of described 4th check valve is connected with described first running water pipe；Described mixed water
The cold water outlet of valve is connected with one end of described first running water pipe, and the other end of described first running water pipe is with described second from the beginning
One end of water pipe connects, and the other end of described second running water pipe is connected with described cold water water inlet tap；Described the mouth of a river from the beginning all with
Described first running water pipe and described second running water pipe connect.
Present invention also offers second zero cold water gas heater system, including the first running water pipe, the second tap water
Pipe, the mouth of a river from the beginning, the water mixing valve of at least one connection water spot, backwater connecting tube, hot water outlet pipe and as above zero
Cold water gas heater；The hot water mouth of described water mixing valve is connected with described hot water effluent's mouth by described hot water outlet pipe, described
Hot water outlet pipe is connected with described backwater mouth by described backwater connecting tube；The cold water outlet of described water mixing valve is with described first from the beginning
One end of water pipe connects, and the other end of described first running water pipe is connected with described the mouth of a river from the beginning, described second running water pipe
One end is connected with described cold water water inlet tap, and the other end of described second running water pipe is connected with described the mouth of a river from the beginning.
Preferably, the first end of described pump water inlet is connected to form the second water pipe node with described cold water pipe, described
Second water pipe node is located at one end cold water pipe between described cold water water inlet tap and described first water pipe node, described second water
Flow transducer and described first check valve are specifically mounted on positioned at described first water pipe node and described second water pipe section
At one section of cold water pipe between point.
Present invention also offers the third zero cold water gas heater system, including the first running water pipe, the second tap water
Pipe, the mouth of a river from the beginning, the water mixing valve of at least one connection water spot, the 4th check valve, backwater connecting tube, hot water outlet pipe and such as
Upper zero described cold water gas heater；The hot water mouth of described water mixing valve passes through described hot water outlet pipe and described hot water effluent's mouth
Connection, described hot water outlet pipe is by being provided with the described backwater connecting tube of described 4th check valve and described first running water pipe
Connect；The entrance of described 4th check valve is connected with described hot water outlet pipe, the outlet and described first of described 4th check valve
Running water pipe connects；The cold water outlet of described water mixing valve is connected with one end of described first running water pipe, described first running water pipe
The other end be connected with one end of described second running water pipe, the other end of described second running water pipe and described cold water water inlet tap
Connect；Described the mouth of a river from the beginning is all connected with described first running water pipe and described second running water pipe.
Further, described zero cold water gas heater also include connecting tube, be installed on second single at described connecting tube
To valve and for the backwater mouth that connect with described hot water effluent's mouth, described backwater mouth is by described connecting tube with positioned at described the
One section of cold water pipe between two water pipe nodes and described cold water water inlet tap is connected；The entrance of described second check valve and described backwater
Mouth connects, and the outlet of described second check valve is connected with described cold water water inlet tap.
Present invention also offers the 4th kind of zero cold water gas heater system, including the first running water pipe, the second tap water
Pipe, the mouth of a river from the beginning, the water mixing valve of at least one connection water spot, backwater connecting tube, hot water outlet pipe and as above zero
Cold water gas heater；The hot water mouth of described water mixing valve is connected with described hot water effluent's mouth by described hot water outlet pipe, described
Hot water outlet pipe is connected with described backwater mouth by described backwater connecting tube；The cold water outlet of described water mixing valve is with described first from the beginning
One end of water pipe connects, and the other end of described first running water pipe is connected with described the mouth of a river from the beginning, described second running water pipe
One end is connected with described cold water water inlet tap, and the other end of described second running water pipe is connected with described the mouth of a river from the beginning.
Described zero cold water gas heater and described zero cold water gas heater system that the present invention provides, by by institute
The first end stating pumping line is connected with the water side of described water circulating pump, and by the second end of described pumping line and institute
State cold water pipe and connect formation the first water pipe node, and described cold water pipe passes through described heat exchanger with described hot water effluent's mouth even
Logical, and described first water flow sensor is installed at described pump water inlet or at described pumping line；So when with
In the described pump water inlet connecting with described hot water effluent's mouth, described water circulating pump, described pumping line, described cold water
(described water circulating pump work during the water circulation heating pipeline work that pipe, described heat exchanger and described hot water effluent's mouth are constituted
Make), described water circulating pump will be sprayed onto in described pumping line from the water that described pump water inlet is come in, and then passes through described cold
Water pipe enters into and is circulated heating in described heat exchanger, and this when, described first water flow sensor can produce current
Signal, but described second water flow sensor does not produce water-flow signal (because the entrance of described first check valve and institute
State the connection of cold water water inlet tap, the outlet of described first check valve is connected with described first water pipe node, and described first check valve
It is installed at one section of cold water pipe between described first water pipe node and described cold water water inlet tap, so described water pump water outlet pipe flow
The water going out is can not to flow back to the direction of described cold water water inlet tap, is therefore installed on described first water pipe node and described cold water
Described second water flow sensor at described cold water pipe between water inlet tap would not produce water-flow signal), at this moment described control
Device processed will judge that described zero cold water gas heater is carrying out water circulation heating；And when user needs to use water, at this moment no
Whether work by described water circulating pump, described cold water water inlet tap has water and flows to and reach described heat exchange through described cold water pipe
Device carries out heating and flows out from described hot water effluent's mouth after the heating, so that described cold water pipe has water to flow, at this moment described
Second water flow sensor will produce water-flow signal, and according to this water-flow signal, described controller judges that user uses
Water, then described controller allow described water circulating pump to quit work, and described controller according to described first discharge sensing
The water-flow signal of device and described second water flow sensor calculates the total water current amount of described zero cold water gas heater, Ran Housuo
State controller and the heating work of described zero cold water gas heater is controlled so that user can be just conventional according to described total water current amount
Water, overcomes because single current quantity sensor control program is complicated so that sequential operation easily malfunctions is led to zero cold water combustion gas heat
The problem of hydrophone job insecurity, the therefore present invention have good Consumer's Experience；And because by described second discharge
Sensor judges that user, can be to follow described in saves energy and prolongation with just allowing described water circulating pump quit work during water
The service life of ring water pump.
Brief description
In order to be illustrated more clearly that technical scheme, below by the accompanying drawing work to use required in embodiment
Simply introduce it should be apparent that, drawings in the following description are only some embodiments of the present invention, general for this area
For logical technical staff, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation of zero cold water gas heater provided in an embodiment of the present invention；
Fig. 2 is the structural representation of another kind of zero cold water gas heater provided in an embodiment of the present invention；
Fig. 3 is the structural representation of another kind of zero cold water gas heater provided in an embodiment of the present invention；
Fig. 4 is a kind of structural representation of zero cold water gas heater system provided in an embodiment of the present invention；
Fig. 5 is another structural representation of zero cold water gas heater system shown in Fig. 4；
Fig. 6 is the structural representation of another zero cold water gas heater system provided in an embodiment of the present invention；
Fig. 7 is the structural representation of another zero cold water gas heater system provided in an embodiment of the present invention；
Fig. 8 is the structural representation of another zero cold water gas heater system provided in an embodiment of the present invention.
Specific embodiment
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 clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
Refer to Fig. 1, Fig. 2 and Fig. 3, one aspect of the present invention provides a kind of zero cold water gas heater, including recirculated water
Pump 1, pump water inlet 2, pumping line 3, cold water pipe 4, cold water water inlet tap 5, hot water effluent's mouth 6, heat exchanger 7, first are single
To valve 8, controller 9, the first water flow sensor 10 and the second water flow sensor 11；Described cold water pipe 4 and described cold water
Water inlet tap 5 connects, and described cold water pipe 4 is connected with the water inlet end of described heat exchanger 7；The water side of described heat exchanger 7 with
Described hot water effluent's mouth 6 connects；The first end of described pump water inlet 2 is used for connecting with described hot water effluent's mouth 6, described water pump
Second end of water inlet pipe 2 is connected with the water inlet end of described water circulating pump 1；The first end of described pumping line 3 and described circulation
The water side of water pump 1 connects, and the second end of described pumping line 3 is connected formation the first water pipe node with described cold water pipe 4；
Described first water flow sensor 10 is installed at described pump water inlet 2 or at described pumping line 3, described second current
Quantity sensor 11 and described first check valve 8 are mounted between described first water pipe node and described cold water water inlet tap 5 one
At section cold water pipe 4；The entrance of described first check valve 8 is connected with described cold water water inlet tap, the outlet of described first check valve 8 with
Described first water pipe node connection；Described water circulating pump 1, described first water flow sensor 10 and described second discharge sensing
Device 11 is all electrically connected with described controller 9.
Preferably, refer to Fig. 1, described zero cold water gas heater also includes the 3rd check valve 30, and the described 3rd is unidirectional
Valve 30 is installed at described pumping line 3；Described 3rd check valve 30 is arranged at described pumping line 3, and described
The entrance of three check valves 30 is connected with the first end of described pumping line 3, the outlet of described 3rd check valve 30 and described water
Second end connection of water pump outlet pipe 3；Or, described 3rd check valve 30 is arranged at described pump water inlet 2, and the described 3rd
The entrance of check valve 30 is connected with the first end of described pump water inlet 2, the outlet of described 3rd check valve 30 and described water pump
Second end connection of water inlet pipe 2.So can prevent water from flowing to described water from described cold water pipe 4 by described pump water inlet 2
Pump water inlet pipe 2, thus it is described to allow current more intensively to flow to by the described cold water pipe 4 being connected with described cold water water inlet tap 5
Heat exchanger 7.
Preferably, Fig. 1, Fig. 2 and Fig. 3 are referred to, described zero cold water gas heater also includes hot water storage tank 31, described
The water inlet end of hot water storage tank 31 is connected with the water side of described heat exchanger 7, the water side of described hot water storage tank 31 and institute
State hot water effluent's mouth 6 to connect.So from described heat exchanger 7 hot water out be temporarily stored in described hot water storage tank 31
Hot water mixed, reduce the range of temperature of described hot water effluent's mouth 6 hot water out, thus avoiding described heat
Water faucet 6 water out is sometimes hot and sometimes cold, and then improves the experience of user.It should be noted that described hot water water storage
Can be connected logical between case 31 and described heat exchanger 7 by one or more pipelines, described hot water storage tank 31 with described
One can be passed through between hot water effluent's mouth 6 or how with pipeline communication, here is not specifically limited.
In embodiments of the present invention, by by the water side of the first end of described pumping line 3 and described water circulating pump 1
Connect, and the second end of described pumping line 3 is connected formation the first water pipe node with described cold water pipe 4, and described cold water
Pipe 4 is connected with described hot water effluent's mouth 6 by described heat exchanger 7, and described first water flow sensor 10 is installed on institute
State at pump water inlet 2 or at described pumping line 3；So when the described water pump for connecting with described hot water effluent's mouth 6
Water inlet pipe 2, described water circulating pump 1, described pumping line 3, described cold water pipe 4, described heat exchanger 7 and described hot water go out
During the water circulation heating pipeline work that water nozzle 6 is constituted (described water circulating pump 1 works), described water circulating pump 1 will be from described water
The water that pump water inlet pipe 2 is come in is sprayed onto in described pumping line 3, then enters into described heat exchanger 7 by described cold water pipe 4
In be circulated heating, this when, described first water flow sensor 10 can produce water-flow signal, but described second current
Quantity sensor 11 does not have generation water-flow signal, and (entrance because of described first check valve 8 is connected with described cold water water inlet tap, institute
The outlet stating the first check valve is connected with described first water pipe node, and described first check valve 8 is installed on described first water pipe
At one section of cold water pipe 4 between node and described cold water water inlet tap 5, so the water that described pumping line 3 flows out is can not be to
The direction backflow of described cold water water inlet tap 5, therefore it is installed between described first water pipe node and described cold water water inlet tap 5
Described second water flow sensor 11 at described cold water pipe 4 would not produce water-flow signal), at this moment described controller 9 will
Judge that described zero cold water gas heater is carrying out water circulation heating；And when user needs to use water, at this moment no matter described follow
Whether ring water pump 1 works, and described cold water water inlet tap 5 has water and flows to and reach described heat exchanger 7 through described cold water pipe 4
Row heating is simultaneously flowed out from described hot water effluent's mouth 6 after the heating, so that described cold water pipe 4 has a water flowing, at this moment described the
Two water flow sensors will produce water-flow signal, and according to this water-flow signal, described controller 9 judges that user uses
Water, then described controller 9 allow described water circulating pump 1 to quit work, and described controller 9 according to described first discharge pass
The water-flow signal of sensor 10 and described second water flow sensor 11 calculates the total water current amount of described zero cold water gas heater,
Then described controller 9 controls the heating work of described zero cold water gas heater so that user can according to described total water current amount
Just to commonly use water, overcome because single current quantity sensor control program is complicated so that sequential operation easily malfunction led to zero cold
The unstable problem of water gas water heater working, the therefore present invention have good Consumer's Experience；And because by described the
Two water flow sensors 11 judge user with just allowing described water circulating pump 1 quit work during water, can with saves energy with
And extend the service life of described water circulating pump 1.
For the ease of the understanding of the present invention, here, providing some preferred embodiments of the present invention:
The first preferred embodiment:
Refer to Fig. 1, described zero cold water gas heater also includes the backwater mouth for connecting with described hot water effluent's mouth 6
13, described backwater mouth 13 is connected with the first end of described pump water inlet 2.
In the preferred embodiment, by the described backwater mouth 13 that will be used for connecting with described hot water effluent's mouth 6 with described
The first end of pump water inlet 2 connects, so described backwater mouth 13, described pump water inlet 2, described water circulating pump 1, described water
Water pump outlet pipe 3, described cold water pipe 4, described heat exchanger 7 and described hot water effluent's mouth 6 may be constructed water circulation heating pipeline,
Described zero cold water gas heater is made to have the function of water circulation heating.
Second preferred embodiment:
Refer to Fig. 2, the first end of described pump water inlet 2 is connected to form the second water pipe node with described cold water pipe 4,
Described second water pipe node is located at one section of cold water pipe 4 between described cold water water inlet tap 5 and described first water pipe node, described
Second water flow sensor 11 and described first check valve 8 are specifically mounted on positioned at described first water pipe node and described the
At one section of cold water pipe 4 between two water pipe nodes.
In the preferred embodiment, formed by being connected the first end of described pump water inlet 2 with described cold water pipe 4
Second water pipe node, so when the described pump water inlet 2 being connected with described cold water pipe 4 is by being connected with described cold water pipe 4
Described cold water water inlet tap 5 when connecting with described hot water effluent's mouth 6, described cold water water inlet tap 5, described pump water inlet 2, institute
State water circulating pump 1, described pumping line 3, described cold water pipe 4, described heat exchanger 7 and described hot water effluent's mouth 6 permissible
Constitute water circulation and heat pipeline so that described zero cold water gas heater has the function of water circulation heating.
The third preferred embodiment is provided on the basis of second preferred embodiment:
Refer to Fig. 3, described zero cold water gas heater also include connecting tube 14, be installed at described connecting tube 14
Two check valves 15 and the backwater mouth 13 for connecting with described hot water effluent's mouth 6, described backwater mouth 13 is by described connecting tube
14 and be located at one section of cold water pipe 4 between described second water pipe node and described cold water water inlet tap 5 and be connected；Described second check valve
15 entrance is connected with described backwater mouth 13, and the outlet of described second check valve 15 is connected with described cold water water inlet tap 5.
In the preferred embodiment, formed by being connected the first end of described pump water inlet 2 with described cold water pipe 4
Second water pipe node, and described backwater mouth 13 entered with described cold water with positioned at described second water pipe node by described connecting tube 14
One section of cold water pipe 4 between water nozzle 5 connects；So when the described pump water inlet 2 being connected with described cold water pipe 4 be by with institute
The described cold water water inlet tap 5 stating cold water pipe 4 connection is when connecting with described hot water effluent's mouth 6, described cold water water inlet tap 5, described
Pump water inlet 2, described water circulating pump 1, described pumping line 3, described cold water pipe 4, described heat exchanger 7 and described heat
Water faucet 6 may be constructed water circulation heating pipeline；Or be when described pump water inlet 2 be by described backwater mouth 13
When connecting with described hot water effluent's mouth 6, described backwater mouth 13, described connecting tube 14, described pump water inlet 2, described recirculated water
Pump 1, described pumping line 3, described cold water pipe 4, described heat exchanger 7 and described hot water effluent's mouth 6 may be constructed water and follow
Ring heats pipeline；Therefore by this preferred embodiment make described zero cold water gas heater have water circulation heating function simultaneously
User can be allowed to carry out, according to practical situation, the design that water circulation heats pipeline, improve the experience of user.
Another aspect of the present invention provides a kind of zero cold water gas heater system, refers to Fig. 4, including the first tap water
Pipe 20, the second running water pipe 21, the mouth of a river from the beginning 22, the water mixing valve 23 of at least one connection water spot, the 4th check valve 24, backwater
Connecting tube 25, hot water outlet pipe 26, connecting tube 14 and zero cold water gas heater as described in the first preferred embodiment；Institute
State backwater mouth 13 to be connected with described cold water water inlet tap 5 by described connecting tube 14；The hot water mouth of described water mixing valve 23 passes through described
Hot water outlet pipe is connected with described hot water effluent's mouth 6, and described hot water outlet pipe is by being provided with the institute of described 4th check valve 24
State backwater connecting tube 25 to be connected with described first running water pipe 20；The entrance of described 4th check valve 24 and described hot water outlet pipe
26 connections, the outlet of described 4th check valve 24 is connected with described first running water pipe 20；The cold water outlet of described water mixing valve 23 with
One end connection of described first running water pipe 20, the other end of described first running water pipe 20 and described second running water pipe 21
One end connects, and the other end of described second running water pipe 21 is connected with described cold water water inlet tap 5；Described the mouth of a river from the beginning 22 is all and institute
State the first running water pipe 20 and described second running water pipe 21 connects.
In embodiments of the present invention, the described hot water outlet pipe 26 connecting with described hot water effluent's mouth 6 passes through to install
The described backwater connecting tube 25 stating the 4th check valve 24 is connected with described first running water pipe 20, and described first running water pipe 20
It is connected with described cold water water inlet tap 5 by described second running water pipe 21, so described hot water outlet pipe 26, described backwater connect
Pipe 25, described first running water pipe 20, described second running water pipe 21, described cold water water inlet tap 5, described connecting tube 14, backwater
Mouth 13, described pump water inlet 2, described water circulating pump 1, described pumping line 3, described cold water pipe 4, described heat exchanger 7
And described hot water effluent's mouth 6 may be constructed water circulation heating pipeline so that described zero cold water gas heater system has water
Hydronic function, that is, when temperature sensing that is being arranged in described hot water outlet pipe 26 and electrically connecting with described controller 9
When the water temperature that device detects in described hot water outlet pipe 26 is less than default requirement, described controller 9 will control described circulation
The startup of water pump 1 is so that the water in described hot water outlet pipe 26 constantly passes through backwater connecting tube 25, described first running water pipe
20th, described second running water pipe 21, described cold water water inlet tap 5, described connecting tube 14, backwater mouth 13, described pump water inlet 2,
Described water circulating pump 1, described pumping line 3, described cold water pipe 4 enter into described heat exchanger 7 and are heated, and in heating
Flow out from described hot water effluent's mouth 6 afterwards, thus realizing the circulating-heating of the water in hot water outlet pipe 26.And work as user and need to use water
When, at this moment no matter whether described water circulating pump 1 works, and described cold water water inlet tap 5 has water and flows to and arrive through described cold water pipe 4
Reach described heat exchanger 7 to be heated and flow out from described hot water effluent's mouth 6 after the heating, so that described cold water pipe 4 has
Water flows, and at this moment described second water flow sensor will produce water-flow signal, and described controller 9 is according to this water-flow signal
Judge that user is using water, then described controller 9 allows described water circulating pump 1 to quit work, and described controller 9 basis
Described first water flow sensor 10 calculates described zero cold water combustion gas with the water-flow signal of described second water flow sensor 11
The total water current amount of water heater, then described controller 9 adding according to the described total water current amount described zero cold water gas heater of control
Thermal technology makees so that user just can commonly use water, overcomes because single current quantity sensor control program is complicated and makes sequential operation
Easily error is led to the unstable problem of zero cold water gas water heater working, and the therefore present invention has good Consumer's Experience；
And because judge user with just allowing described water circulating pump 1 stop work during water by described second water flow sensor 11
Make, can be with saves energy and the service life extending described water circulating pump 1.
Described connection it should be noted that referring to Fig. 5, in the described zero cold water gas heater system of the present embodiment
Pipe can remove, and at this moment, described second running water pipe 21 directly can be connected (i.e. described second tap water with described backwater mouth 13
Pipe 21 is no longer connected with described cold water water inlet tap 5)；So described hot water outlet pipe 26, described backwater connecting tube 25, described first
Running water pipe 20, described second running water pipe 21, described backwater mouth 13, described pump water inlet 2, described water circulating pump 1, described
Pumping line 3, described cold water pipe 4, described heat exchanger 7 and described hot water effluent's mouth 6 may be constructed water circulation heating tube
Road so that described zero cold water gas heater system has the function of water circulation heating, that is, when being arranged on described hot water outlet pipe
The water temperature that temperature sensor that is in 26 and being electrically connected with described controller 9 is detected in described hot water outlet pipe 26 is less than default
Requirement when, described controller 9 will control described water circulating pump 1 start so that the water in described hot water outlet pipe 26 not
Open close backwater connecting tube 25, described first running water pipe 20, described second running water pipe 21, described backwater mouth 13, described water excessively
Pump water inlet pipe 2, described water circulating pump 1, described pumping line 3, described cold water pipe 4 enter into described heat exchanger 7 to carry out adding
Heat, and flow out from described hot water effluent's mouth 6 after the heating, thus realizing the circulating-heating of the water in described hot water outlet pipe 26.
After the water in described hot water outlet pipe 26 realizes circulating-heating, when user is when opening described water mixing valve 23 with water spot, use water
Point can flow out the water through heating first, and at this moment the tap water in described the mouth of a river from the beginning 22 also can by described second from the beginning
Water pipe 21, described backwater mouth 13, described pump water inlet 2, described water circulating pump 1, described pumping line 3, described cold water pipe 4
Enter into described heat exchanger 7 to be heated, and be flowed into described hot water outlet pipe 26 from described hot water effluent's mouth 6 after the heating
In, then again by being connected with water spot outflow with described hot water outlet pipe 26, thus realizing the continuous supply of hot water.Therefore originally
Embodiment can realize the function of gas heater zero cold water, overcomes because the water in described hot water outlet pipe 26 can not be in advance
Heat and lead to flow out, during user uses, the shortcoming that temperature does not reach the tap water of bathing requirement first, thus improving
The bathing experience of user.
Another aspect of the present invention provides a kind of zero cold water gas heater system again, refers to Fig. 6, including first from the beginning
Water pipe 20, the second running water pipe 21, the mouth of a river from the beginning 22, the water mixing valve 23 of at least one connection water spot, backwater connecting tube 25, heat
Water outlet pipe and zero cold water gas heater as described in the first preferred embodiment；The hot water mouth of described water mixing valve 23 passes through
Described hot water outlet pipe is connected with described hot water effluent's mouth 6, described hot water outlet pipe by described backwater connecting tube 25 with described
Backwater mouth 13 connects；The cold water outlet of described water mixing valve 23 is connected with one end of described first running water pipe 20, and described first from the beginning
The other end of water pipe 20 is connected with described the mouth of a river from the beginning 22, one end of described second running water pipe 21 and described cold water water inlet tap 5
Connect, the other end of described second running water pipe 21 is connected with described the mouth of a river from the beginning 22.
In embodiments of the present invention, the described hot water outlet pipe connecting with described hot water effluent's mouth 6 passes through described backwater even
Adapter 25 is connected with described backwater mouth 13, so described hot water outlet pipe, described backwater connecting tube 25, described backwater mouth 13, institute
State pump water inlet 2, described water circulating pump 1, described pumping line 3, described cold water pipe 4, described heat exchanger 7 and described
Hot water effluent's mouth 6 may be constructed water circulation heating pipeline so that described zero cold water gas heater system has water circulation heating
Function, that is, when temperature sensor that is being arranged in described hot water outlet pipe 26 and being electrically connected with described controller 9 is detected
When water temperature in described hot water outlet pipe 26 is less than default requirement, described controller 9 will control opening of described water circulating pump 1
Move so that the water in described hot water outlet pipe 26 constantly passes through backwater connecting tube 25, backwater mouth 13, described pump water inlet 2, institute
State water circulating pump 1, described pumping line 3, described cold water pipe 4 enter into described heat exchanger 7 and heated, and after the heating
Flow out from described hot water effluent's mouth 6, thus realizing the circulating-heating of the water in hot water outlet pipe 26.And work as user and need to use water
When, at this moment no matter whether described water circulating pump 1 works, and described cold water water inlet tap 5 has water and flows to and arrive through described cold water pipe 4
Reach described heat exchanger 7 to be heated and flow out from described hot water effluent's mouth 6 after the heating, so that described cold water pipe 4 has
Water flows, and at this moment described second water flow sensor will produce water-flow signal, and described controller 9 is according to this water-flow signal
Judge that user is using water, then described controller 9 allows described water circulating pump 1 to quit work, and described controller 9 basis
Described first water flow sensor 10 calculates described zero cold water combustion gas with the water-flow signal of described second water flow sensor 11
The total water current amount of water heater, then described controller 9 adding according to the described total water current amount described zero cold water gas heater of control
Thermal technology makees so that user just can commonly use water, overcomes because single current quantity sensor control program is complicated and makes sequential operation
Easily error is led to the unstable problem of zero cold water gas water heater working, and the therefore present invention has good Consumer's Experience；
And because judge user with just allowing described water circulating pump 1 stop work during water by described second water flow sensor 11
Make, can be with saves energy and the service life extending described water circulating pump 1.
Another aspect of the present invention provides a kind of zero cold water gas heater system again, refers to Fig. 7, including first from the beginning
Water pipe 20, the second running water pipe 21, the mouth of a river from the beginning 22, the water mixing valve 23 of at least one connection water spot, the 4th check valve 24, return
Water connecting tube 25, hot water outlet pipe and zero cold water gas heater as described in second preferred embodiment；Described water mixing valve
23 hot water mouth is connected with described hot water effluent's mouth 6 by described hot water outlet pipe, and described hot water outlet pipe passes through to install
The described backwater connecting tube 25 stating the 4th check valve 24 is connected with described first running water pipe 20；The entering of described 4th check valve 24
Mouth is connected with described hot water outlet pipe 26, and the outlet of described 4th check valve 24 is connected with described first running water pipe 20；Described
The cold water outlet of water mixing valve 23 is connected with one end of described first running water pipe 20, the other end of described first running water pipe 20 and institute
The one end stating the second running water pipe 21 connects, and the other end of described second running water pipe 21 is connected with described cold water water inlet tap 5；Institute
State the mouth of a river from the beginning 22 to be all connected with described first running water pipe 20 and described second running water pipe 21.
In embodiments of the present invention, the described hot water outlet pipe connecting with described hot water effluent's mouth 6 is described by being provided with
The described backwater connecting tube 25 of the 4th check valve 24 is connected with described first running water pipe 20, with described first running water pipe 20 even
The other end of described second running water pipe 21 connecing is connected with described cold water water inlet tap 5；So when described pump water inlet 2 is logical
When crossing the described cold water water inlet tap 5 being connected with described cold water pipe 4 and connecting with described hot water effluent's mouth 6, described hot water outlet pipe,
Described backwater connecting tube 25, described first running water pipe 20, described second running water pipe 21, described cold water water inlet tap 5, described water
Pump water inlet pipe 2, described water circulating pump 1, described pumping line 3, described cold water pipe 4, described heat exchanger 7 and described hot water
Faucet 6 may be constructed water circulation and heats pipeline so that described zero cold water gas heater system has the work(of water circulation heating
Can, detect when temperature sensor that is being arranged in described hot water outlet pipe 26 and electrically connect with described controller 9 described in
When water temperature in hot water outlet pipe 26 is less than default requirement, described controller 9 will control the startup of described water circulating pump 1,
Make water in described hot water outlet pipe 26 constantly pass through backwater connecting tube 25, described first running water pipe 20, described second from
Carry out water pipe 21, described cold water water inlet tap 5, described pump water inlet 2, described water circulating pump 1, described pumping line 3, described cold
Water pipe 4 enters into described heat exchanger 7 and is heated, and flows out from described hot water effluent's mouth 6 after the heating, thus realizing hot water
The circulating-heating of the water in outlet pipe 26.And when user needs to use water, at this moment no matter whether described water circulating pump 1 works, institute
State cold water water inlet tap 5 have water flow to and through described cold water pipe 4 reach described heat exchanger 7 carry out heating and after the heating from
Described hot water effluent's mouth 6 flows out, so that described cold water pipe 4 has water to flow, at this moment described second water flow sensor will
Produce water-flow signal, and according to this water-flow signal, described controller 9 judges that user is using water, then described controller 9
Allow described water circulating pump 1 to quit work, and described controller 9 is according to described first water flow sensor 10 and described second water
The water-flow signal of flow transducer 11 calculates the total water current amount of described zero cold water gas heater, then described controller 9
Control the heating work of described zero cold water gas heater so that user just can commonly use water according to described total water current amount, overcome
Sequential operation is easily malfunctioned and is led to zero cold water gas water heater working because single current quantity sensor control program is complicated
Unstable problem, the therefore present invention have good Consumer's Experience；And because by described second water flow sensor 11
Judge user with just allowing described water circulating pump 1 quit work during water, with saves energy and described recirculated water can be extended
The service life of pump 1.
Another aspect of the present invention additionally provides a kind of zero cold water gas heater system, refers to Fig. 8, including first from the beginning
Water pipe 20, the second running water pipe 21, the mouth of a river from the beginning 22, the water mixing valve 23 of at least one connection water spot, backwater connecting tube 25, heat
Water outlet pipe and zero cold water gas heater as described in the third preferred embodiment；The hot water mouth of described water mixing valve 23 passes through
Described hot water outlet pipe is connected with described hot water effluent's mouth 6, described hot water outlet pipe by described backwater connecting tube 25 with described
Backwater mouth 13 connects；The cold water outlet of described water mixing valve 23 is connected with one end of described first running water pipe 20, and described first from the beginning
The other end of water pipe 20 is connected with described the mouth of a river from the beginning 22, one end of described second running water pipe 21 and described cold water water inlet tap 5
Connect, the other end of described second running water pipe 21 is connected with described the mouth of a river from the beginning 22.
In embodiments of the present invention, the described hot water outlet pipe connecting with described hot water effluent's mouth 6 passes through described backwater even
Adapter 25 is connected with described backwater mouth 13, so described hot water outlet pipe, described backwater connecting tube 25, described backwater mouth 13, institute
State connecting tube 14, described pump water inlet 2, described water circulating pump 1, described pumping line 3, described cold water pipe 4, described heat friendship
Parallel operation 7 and described hot water effluent's mouth 6 may be constructed water circulation and heat pipeline so that described zero cold water gas heater system has
There is the function of water circulation heating, that is, when temperature that is being arranged in described hot water outlet pipe 26 and electrically connecting with described controller 9
When the water temperature that sensor detects in described hot water outlet pipe 26 is less than default requirement, described controller 9 will control described
The startup of water circulating pump is so that the water in described hot water outlet pipe 26 constantly passes through backwater connecting tube 25, backwater mouth 13, described company
Adapter 14, described pump water inlet 2, described water circulating pump 1, described pumping line 3, described cold water pipe 4 enter into described heat
Exchanger 7 is heated, and flows out from described hot water effluent's mouth 6 after the heating, thus realizing the water in hot water outlet pipe 26
Circulating-heating.And when user needs to use water, at this moment no matter whether described water circulating pump 1 works, described cold water water inlet tap 5 has
Water flows to and reaches described heat exchanger 7 through described cold water pipe 4 and heated and flow from described hot water effluent's mouth 6 after the heating
Go out, so that described cold water pipe 4 has water to flow, at this moment described second water flow sensor will produce water-flow signal, and
According to this water-flow signal, described controller 9 judges that user is using water, then described controller 9 allows described water circulating pump 1 to stop
Only work, and described controller 9 is according to the water of described first water flow sensor 10 and described second water flow sensor 11
Stream signal of change goes out the total water current amount of described zero cold water gas heater, and then described controller 9 is according to described total water current amount control
Make the heating work of described zero cold water gas heater so that user just can commonly use water, overcome because single current quantity sensor
Control program is complicated and sequential operation is easily malfunctioned the problem being led to zero cold water gas water heater working unstable, therefore
The present invention has good Consumer's Experience；And because judge that user is using water by described second water flow sensor 11
When just allow described water circulating pump 1 quit work, can with saves energy and extend described water circulating pump 1 service life.
In embodiments of the present invention, it should be noted that described first check valve 8, the second check valve 15, the 3rd check valve
30 and the 4th check valve 24 can be all one or multiple, here is not specifically limited.Described pumping line 3 is permissible
It is connected with described cold water pipe 4 by three way cock, described pumping line 3 can also be the company of being integrally formed with described cold water pipe 4
Connect, here is also not specifically limited.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and any
Those skilled in the art in technical scope disclosed by the invention, the change or replacement that can readily occur in, all answer
It is included within the scope of the present invention.Therefore, protection scope of the present invention with described scope of the claims should be
Accurate.
Claims (10)
1. a kind of zero cold water gas heater, including water circulating pump, pump water inlet, pumping line, cold water pipe, cold water water inlet
Mouth, hot water effluent's mouth, heat exchanger and controller are it is characterised in that also include the first water flow sensor and the second water
Flow transducer；
Described cold water pipe is connected with described cold water water inlet tap, and described cold water pipe is connected with the water inlet end of described heat exchanger；Institute
The water side stating heat exchanger is connected with described hot water effluent's mouth；
The first end of described pump water inlet is used for connecting with described hot water effluent's mouth, the second end of described pump water inlet and institute
The water inlet end stating water circulating pump connects；
The first end of described pumping line is connected with the water side of described water circulating pump, and the second end of described pumping line
It is connected formation the first water pipe node with described cold water pipe；Described first water flow sensor be installed at described pump water inlet or
At described pumping line, described second water flow sensor and described first check valve are mounted on described first water pipe node
At one section of cold water pipe and described cold water water inlet tap between；The entrance of described first check valve is connected with described cold water water inlet tap,
The outlet of described first check valve is connected with described first water pipe node；
Described water circulating pump, described first water flow sensor and described second water flow sensor are all electrically connected with described controller
Connect.
2. zero cold water gas heater according to claim 1 it is characterised in that also include for described hot water effluent
The backwater mouth of mouth connection, described backwater mouth is connected with the first end of described pump water inlet.
3. zero cold water gas heater according to claim 1 it is characterised in that the first end of described pump water inlet with
Described cold water pipe connects to form the second water pipe node, and described second water pipe node is located at described cold water water inlet tap and described first
At one section of cold water pipe between water pipe node；Described second water flow sensor is specifically mounted on described first check valve
At one section of cold water pipe between described first water pipe node and described second water pipe node.
4. zero cold water gas heater according to claim 3 is described in it is characterised in that also including connecting tube, being installed on
The second check valve at connecting tube and the backwater mouth for connecting with described hot water effluent's mouth, described backwater mouth passes through described company
Adapter and one section of cold water pipe being located between described second water pipe node and described cold water water inlet tap are connected；Described second check valve
Entrance connect with described backwater mouth, the outlet of described second check valve is connected with described cold water water inlet tap.
5. zero cold water gas heater according to claim 1 is it is characterised in that also include the 3rd check valve；Described
Three check valves are arranged at described pumping line, and the first end of the entrance of described 3rd check valve and described pumping line
Connection, the outlet of described 3rd check valve is connected with the second end of described pumping line；Or,
Described 3rd check valve is arranged at described pump water inlet, and the entrance of described 3rd check valve and described water feeding of water pump
The first end connection of pipe, the outlet of described 3rd check valve is connected with the second end of described pump water inlet.
6. the gas heater according to any one of Claims 1 to 5 is it is characterised in that also including hot water storage tank, described
The water inlet end of hot water storage tank is connected with the water side of described heat exchanger, the water side of described hot water storage tank and described hot water
Faucet connects.
7. a kind of zero cold water gas heater system is it is characterised in that include the first running water pipe, the second running water pipe, from the beginning
The mouth of a river, the water mixing valve of at least one connection water spot, the 4th check valve, backwater connecting tube, hot water outlet pipe, connecting tube and such as
Zero cold water gas heater described in claim 2；Described backwater mouth is connected with described cold water water inlet tap by described connecting tube；
The hot water mouth of described water mixing valve is connected with described hot water effluent's mouth by described hot water outlet pipe, described hot water effluent's Gutron
Cross and the described backwater connecting tube of described 4th check valve is installed is connected with described first running water pipe；Described 4th check valve
Entrance is connected with described hot water outlet pipe, and the outlet of described 4th check valve is connected with described first running water pipe；
The cold water outlet of described water mixing valve is connected with one end of described first running water pipe, the other end of described first running water pipe with
One end of described second running water pipe connects, and the other end of described second running water pipe is connected with described cold water water inlet tap；Described
The mouth of a river from the beginning is all connected with described first running water pipe and described second running water pipe.
8. a kind of zero cold water gas heater system is it is characterised in that include the first running water pipe, the second running water pipe, from the beginning
The mouth of a river, the water mixing valve of at least one connection water spot, backwater connecting tube, hot water outlet pipe and as claimed in claim 2 zero
Cold water gas heater；
The hot water mouth of described water mixing valve is connected with described hot water effluent's mouth by described hot water outlet pipe, described hot water effluent's Gutron
Cross described backwater connecting tube to be connected with described backwater mouth；
The cold water outlet of described water mixing valve is connected with one end of described first running water pipe, the other end of described first running water pipe with
Described the mouth of a river from the beginning connection, one end of described second running water pipe is connected with described cold water water inlet tap, described second running water pipe
The other end connect with described the mouth of a river from the beginning.
9. a kind of zero cold water gas heater system is it is characterised in that include the first running water pipe, the second running water pipe, from the beginning
The mouth of a river, the water mixing valve of at least one connection water spot, the 4th check valve, backwater connecting tube, hot water outlet pipe and such as right will
Seek zero cold water gas heater described in 3；
The hot water mouth of described water mixing valve is connected with described hot water effluent's mouth by described hot water outlet pipe, described hot water effluent's Gutron
Cross and the described backwater connecting tube of described 4th check valve is installed is connected with described first running water pipe；Described 4th check valve
Entrance is connected with described hot water outlet pipe, and the outlet of described 4th check valve is connected with described first running water pipe；
The cold water outlet of described water mixing valve is connected with one end of described first running water pipe, the other end of described first running water pipe with
One end of described second running water pipe connects, and the other end of described second running water pipe is connected with described cold water water inlet tap；Described
The mouth of a river from the beginning is all connected with described first running water pipe and described second running water pipe.
10. a kind of zero cold water gas heater system is it is characterised in that include the first running water pipe, the second running water pipe, from the beginning
The mouth of a river, the water mixing valve of at least one connection water spot, backwater connecting tube, hot water outlet pipe and as claimed in claim 4 zero
Cold water gas heater；
The hot water mouth of described water mixing valve is connected with described hot water effluent's mouth by described hot water outlet pipe, described hot water effluent's Gutron
Cross described backwater connecting tube to be connected with described backwater mouth；
The cold water outlet of described water mixing valve is connected with one end of described first running water pipe, the other end of described first running water pipe with
Described the mouth of a river from the beginning connection, one end of described second running water pipe is connected with described cold water water inlet tap, described second running water pipe
The other end connect with described the mouth of a river from the beginning.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610917603.7A CN106369807B (en) | 2016-10-20 | 2016-10-20 | Zero cold water gas heater of one kind and its system |
| PCT/CN2016/103996 WO2018072230A1 (en) | 2016-10-20 | 2016-10-31 | Gas water heater having reduced initial cold water flow and system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610917603.7A CN106369807B (en) | 2016-10-20 | 2016-10-20 | Zero cold water gas heater of one kind and its system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106369807A true CN106369807A (en) | 2017-02-01 |
| CN106369807B CN106369807B (en) | 2019-07-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610917603.7A Active CN106369807B (en) | 2016-10-20 | 2016-10-20 | Zero cold water gas heater of one kind and its system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106369807B (en) |
| WO (1) | WO2018072230A1 (en) |
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| CN109442732A (en) * | 2018-12-15 | 2019-03-08 | 成都前锋电子有限责任公司 | A kind of zero cold water gas heater system with water circulating pump |
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| CN110094875A (en) * | 2019-06-10 | 2019-08-06 | 中燃宝电气（深圳）有限公司 | Zero cold water gas heater |
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| CN110094874A (en) * | 2019-06-10 | 2019-08-06 | 中燃宝电气（深圳）有限公司 | A kind of zero cold water gas heater |
| CN110345629A (en) * | 2019-08-07 | 2019-10-18 | Tcl家用电器（中山）有限公司 | Control method, gas heater and the readable storage medium storing program for executing of gas heater |
| CN110887233A (en) * | 2019-12-11 | 2020-03-17 | 成都师范学院 | Device and method for recycling cold water at front section of water heater |
| CN113280515A (en) * | 2021-05-31 | 2021-08-20 | 重庆信科蓝鸿科技有限公司 | Zero-cold-water constant-temperature hot-water intelligent module and control method |
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| CN106369807B (en) | 2019-07-16 |
| WO2018072230A1 (en) | 2018-04-26 |
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